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1 | /* this works around a bug in mingw32 providing a non-working setjmp */ |
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2 | #define USE_NO_MINGW_SETJMP_TWO_ARGS |
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3 | |
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4 | #define NDEBUG 1 /* perl usually disables NDEBUG later */ |
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5 | |
1 | #include "libcoro/coro.c" |
6 | #include "libcoro/coro.c" |
2 | |
7 | |
3 | #define PERL_NO_GET_CONTEXT |
8 | #define PERL_NO_GET_CONTEXT |
4 | #define PERL_EXT |
9 | #define PERL_EXT |
5 | |
10 | |
6 | #include "EXTERN.h" |
11 | #include "EXTERN.h" |
7 | #include "perl.h" |
12 | #include "perl.h" |
8 | #include "XSUB.h" |
13 | #include "XSUB.h" |
9 | #include "perliol.h" |
14 | #include "perliol.h" |
10 | |
15 | |
11 | #include "patchlevel.h" |
16 | #include "schmorp.h" |
12 | |
17 | |
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18 | #define ECB_NO_THREADS 1 |
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19 | #define ECB_NO_LIBM 1 |
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20 | #include "ecb.h" |
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21 | |
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22 | #include <stddef.h> |
13 | #include <stdio.h> |
23 | #include <stdio.h> |
14 | #include <errno.h> |
24 | #include <errno.h> |
15 | #include <assert.h> |
25 | #include <assert.h> |
16 | |
26 | |
17 | #ifdef WIN32 |
27 | #ifndef SvREFCNT_dec_NN |
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28 | #define SvREFCNT_dec_NN(sv) SvREFCNT_dec (sv) |
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29 | #endif |
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30 | |
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31 | #ifndef SvREFCNT_inc_NN |
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32 | #define SvREFCNT_inc_NN(sv) SvREFCNT_inc (sv) |
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33 | #endif |
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34 | |
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35 | #ifndef SVs_PADSTALE |
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36 | # define SVs_PADSTALE 0 |
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37 | #endif |
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38 | |
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39 | #ifdef PadARRAY |
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40 | # define NEWPADAPI 1 |
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41 | # define newPADLIST(var) (Newz (0, var, 1, PADLIST), Newx (PadlistARRAY (var), 2, PAD *)) |
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42 | #else |
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43 | typedef AV PADNAMELIST; |
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44 | # if !PERL_VERSION_ATLEAST(5,8,0) |
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45 | typedef AV PADLIST; |
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46 | typedef AV PAD; |
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47 | # endif |
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48 | # define PadlistARRAY(pl) ((PAD **)AvARRAY (pl)) |
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49 | # define PadlistMAX(pl) AvFILLp (pl) |
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50 | # define PadlistNAMES(pl) (*PadlistARRAY (pl)) |
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51 | # define PadARRAY AvARRAY |
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52 | # define PadMAX AvFILLp |
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53 | # define newPADLIST(var) ((var) = newAV (), av_extend (var, 1)) |
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54 | #endif |
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55 | #ifndef PadnamelistREFCNT |
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56 | # define PadnamelistREFCNT(pnl) SvREFCNT (pnl) |
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57 | #endif |
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58 | #ifndef PadnamelistREFCNT_dec |
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59 | # define PadnamelistREFCNT_dec(pnl) SvREFCNT_dec (pnl) |
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60 | #endif |
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61 | |
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62 | /* 5.19.something has replaced SVt_BIND by SVt_INVLIST */ |
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63 | /* we just alias it to SVt_IV, as that is sufficient for swap_sv for now */ |
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64 | #if PERL_VERSION_ATLEAST(5,19,0) |
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65 | # define SVt_BIND SVt_IV |
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66 | #endif |
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67 | |
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68 | #if defined(_WIN32) |
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69 | # undef HAS_GETTIMEOFDAY |
18 | # undef setjmp |
70 | # undef setjmp |
19 | # undef longjmp |
71 | # undef longjmp |
20 | # undef _exit |
72 | # undef _exit |
21 | # define setjmp _setjmp /* deep magic */ |
73 | # define setjmp _setjmp /* deep magic */ |
22 | #else |
74 | #else |
23 | # include <inttypes.h> /* most portable stdint.h */ |
75 | # include <inttypes.h> /* most portable stdint.h */ |
24 | #endif |
76 | #endif |
25 | |
77 | |
26 | #ifdef HAVE_MMAP |
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27 | # include <unistd.h> |
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28 | # include <sys/mman.h> |
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29 | # ifndef MAP_ANONYMOUS |
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30 | # ifdef MAP_ANON |
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31 | # define MAP_ANONYMOUS MAP_ANON |
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32 | # else |
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33 | # undef HAVE_MMAP |
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34 | # endif |
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35 | # endif |
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36 | # include <limits.h> |
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37 | # ifndef PAGESIZE |
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38 | # define PAGESIZE pagesize |
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39 | # define BOOT_PAGESIZE pagesize = sysconf (_SC_PAGESIZE) |
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40 | static long pagesize; |
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41 | # else |
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42 | # define BOOT_PAGESIZE (void)0 |
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43 | # endif |
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44 | #else |
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45 | # define PAGESIZE 0 |
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46 | # define BOOT_PAGESIZE (void)0 |
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47 | #endif |
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48 | |
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49 | #if CORO_USE_VALGRIND |
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50 | # include <valgrind/valgrind.h> |
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51 | #endif |
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52 | |
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53 | /* the maximum number of idle cctx that will be pooled */ |
78 | /* the maximum number of idle cctx that will be pooled */ |
54 | static int cctx_max_idle = 4; |
79 | static int cctx_max_idle = 4; |
55 | |
80 | |
56 | #define PERL_VERSION_ATLEAST(a,b,c) \ |
81 | #if defined(DEBUGGING) && PERL_VERSION_ATLEAST(5,12,0) |
57 | (PERL_REVISION > (a) \ |
82 | # define HAS_SCOPESTACK_NAME 1 |
58 | || (PERL_REVISION == (a) \ |
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59 | && (PERL_VERSION > (b) \ |
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60 | || (PERL_VERSION == (b) && PERL_SUBVERSION >= (c))))) |
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61 | |
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62 | #if !PERL_VERSION_ATLEAST (5,6,0) |
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63 | # ifndef PL_ppaddr |
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64 | # define PL_ppaddr ppaddr |
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65 | # endif |
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66 | # ifndef call_sv |
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67 | # define call_sv perl_call_sv |
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68 | # endif |
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69 | # ifndef get_sv |
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70 | # define get_sv perl_get_sv |
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71 | # endif |
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72 | # ifndef get_cv |
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73 | # define get_cv perl_get_cv |
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74 | # endif |
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75 | # ifndef IS_PADGV |
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76 | # define IS_PADGV(v) 0 |
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77 | # endif |
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78 | # ifndef IS_PADCONST |
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79 | # define IS_PADCONST(v) 0 |
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80 | # endif |
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81 | #endif |
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82 | |
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83 | /* 5.11 */ |
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84 | #ifndef CxHASARGS |
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85 | # define CxHASARGS(cx) (cx)->blk_sub.hasargs |
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86 | #endif |
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87 | |
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88 | /* 5.10.0 */ |
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89 | #ifndef SvREFCNT_inc_NN |
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90 | # define SvREFCNT_inc_NN(sv) SvREFCNT_inc (sv) |
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91 | #endif |
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92 | |
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93 | /* 5.8.8 */ |
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94 | #ifndef GV_NOTQUAL |
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95 | # define GV_NOTQUAL 0 |
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96 | #endif |
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97 | #ifndef newSV |
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98 | # define newSV(l) NEWSV(0,l) |
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99 | #endif |
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100 | #ifndef CvISXSUB_on |
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101 | # define CvISXSUB_on(cv) (void)cv |
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102 | #endif |
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103 | #ifndef CvISXSUB |
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104 | # define CvISXSUB(cv) (CvXSUB (cv) ? TRUE : FALSE) |
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105 | #endif |
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106 | #ifndef Newx |
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107 | # define Newx(ptr,nitems,type) New (0,ptr,nitems,type) |
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108 | #endif |
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109 | |
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110 | /* 5.8.7 */ |
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111 | #ifndef SvRV_set |
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112 | # define SvRV_set(s,v) SvRV(s) = (v) |
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113 | #endif |
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114 | |
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115 | #if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 |
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116 | # undef CORO_STACKGUARD |
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117 | #endif |
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118 | |
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119 | #ifndef CORO_STACKGUARD |
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120 | # define CORO_STACKGUARD 0 |
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121 | #endif |
83 | #endif |
122 | |
84 | |
123 | /* prefer perl internal functions over our own? */ |
85 | /* prefer perl internal functions over our own? */ |
124 | #ifndef CORO_PREFER_PERL_FUNCTIONS |
86 | #ifndef CORO_PREFER_PERL_FUNCTIONS |
125 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
87 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
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133 | #else |
95 | #else |
134 | # define dSTACKLEVEL volatile void *stacklevel |
96 | # define dSTACKLEVEL volatile void *stacklevel |
135 | # define STACKLEVEL ((void *)&stacklevel) |
97 | # define STACKLEVEL ((void *)&stacklevel) |
136 | #endif |
98 | #endif |
137 | |
99 | |
138 | #define IN_DESTRUCT (PL_main_cv == Nullcv) |
100 | #define IN_DESTRUCT PL_dirty |
139 | |
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140 | #if __GNUC__ >= 3 |
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141 | # define attribute(x) __attribute__(x) |
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142 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
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143 | # define INLINE static inline |
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144 | #else |
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145 | # define attribute(x) |
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146 | # define expect(expr,value) (expr) |
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147 | # define INLINE static |
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148 | #endif |
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149 | |
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150 | #define expect_false(expr) expect ((expr) != 0, 0) |
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151 | #define expect_true(expr) expect ((expr) != 0, 1) |
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152 | |
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153 | #define NOINLINE attribute ((noinline)) |
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154 | |
101 | |
155 | #include "CoroAPI.h" |
102 | #include "CoroAPI.h" |
156 | #define GCoroAPI (&coroapi) /* very sneaky */ |
103 | #define GCoroAPI (&coroapi) /* very sneaky */ |
157 | |
104 | |
158 | #ifdef USE_ITHREADS |
105 | #ifdef USE_ITHREADS |
159 | # if CORO_PTHREAD |
106 | # if CORO_PTHREAD |
160 | static void *coro_thx; |
107 | static void *coro_thx; |
161 | # endif |
108 | # endif |
162 | #endif |
109 | #endif |
163 | |
110 | |
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111 | #ifdef __linux |
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112 | # include <time.h> /* for timespec */ |
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113 | # include <syscall.h> /* for SYS_* */ |
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114 | # ifdef SYS_clock_gettime |
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115 | # define coro_clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
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116 | # define CORO_CLOCK_MONOTONIC 1 |
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117 | # define CORO_CLOCK_THREAD_CPUTIME_ID 3 |
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118 | # endif |
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119 | #endif |
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120 | |
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121 | /* perl usually suppressed asserts. for debugging, we sometimes force it to be on */ |
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122 | #if 0 |
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123 | # undef NDEBUG |
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124 | # include <assert.h> |
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125 | #endif |
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126 | |
164 | static double (*nvtime)(); /* so why doesn't it take void? */ |
127 | static double (*nvtime)(); /* so why doesn't it take void? */ |
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128 | static void (*u2time)(pTHX_ UV ret[2]); |
165 | |
129 | |
166 | /* we hijack an hopefully unused CV flag for our purposes */ |
130 | /* we hijack an hopefully unused CV flag for our purposes */ |
167 | #define CVf_SLF 0x4000 |
131 | #define CVf_SLF 0x4000 |
168 | static OP *pp_slf (pTHX); |
132 | static OP *pp_slf (pTHX); |
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133 | static void slf_destroy (pTHX_ struct coro *coro); |
169 | |
134 | |
170 | static U32 cctx_gen; |
135 | static U32 cctx_gen; |
171 | static size_t cctx_stacksize = CORO_STACKSIZE; |
136 | static size_t cctx_stacksize = CORO_STACKSIZE; |
172 | static struct CoroAPI coroapi; |
137 | static struct CoroAPI coroapi; |
173 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
138 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
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181 | |
146 | |
182 | static GV *irsgv; /* $/ */ |
147 | static GV *irsgv; /* $/ */ |
183 | static GV *stdoutgv; /* *STDOUT */ |
148 | static GV *stdoutgv; /* *STDOUT */ |
184 | static SV *rv_diehook; |
149 | static SV *rv_diehook; |
185 | static SV *rv_warnhook; |
150 | static SV *rv_warnhook; |
186 | static HV *hv_sig; /* %SIG */ |
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187 | |
151 | |
188 | /* async_pool helper stuff */ |
152 | /* async_pool helper stuff */ |
189 | static SV *sv_pool_rss; |
153 | static SV *sv_pool_rss; |
190 | static SV *sv_pool_size; |
154 | static SV *sv_pool_size; |
191 | static SV *sv_async_pool_idle; /* description string */ |
155 | static SV *sv_async_pool_idle; /* description string */ |
192 | static AV *av_async_pool; /* idle pool */ |
156 | static AV *av_async_pool; /* idle pool */ |
193 | static SV *sv_Coro; /* class string */ |
157 | static SV *sv_Coro; /* class string */ |
194 | static CV *cv_pool_handler; |
158 | static CV *cv_pool_handler; |
195 | static CV *cv_coro_state_new; |
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196 | |
159 | |
197 | /* Coro::AnyEvent */ |
160 | /* Coro::AnyEvent */ |
198 | static SV *sv_activity; |
161 | static SV *sv_activity; |
199 | |
162 | |
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163 | /* enable processtime/realtime profiling */ |
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164 | static char enable_times; |
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165 | typedef U32 coro_ts[2]; |
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166 | static coro_ts time_real, time_cpu; |
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167 | static char times_valid; |
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168 | |
200 | static struct coro_cctx *cctx_first; |
169 | static struct coro_cctx *cctx_first; |
201 | static int cctx_count, cctx_idle; |
170 | static int cctx_count, cctx_idle; |
202 | |
171 | |
203 | enum { |
172 | enum |
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173 | { |
204 | CC_MAPPED = 0x01, |
174 | CC_MAPPED = 0x01, |
205 | CC_NOREUSE = 0x02, /* throw this away after tracing */ |
175 | CC_NOREUSE = 0x02, /* throw this away after tracing */ |
206 | CC_TRACE = 0x04, |
176 | CC_TRACE = 0x04, |
207 | CC_TRACE_SUB = 0x08, /* trace sub calls */ |
177 | CC_TRACE_SUB = 0x08, /* trace sub calls */ |
208 | CC_TRACE_LINE = 0x10, /* trace each statement */ |
178 | CC_TRACE_LINE = 0x10, /* trace each statement */ |
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213 | typedef struct coro_cctx |
183 | typedef struct coro_cctx |
214 | { |
184 | { |
215 | struct coro_cctx *next; |
185 | struct coro_cctx *next; |
216 | |
186 | |
217 | /* the stack */ |
187 | /* the stack */ |
218 | void *sptr; |
188 | struct coro_stack stack; |
219 | size_t ssize; |
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220 | |
189 | |
221 | /* cpu state */ |
190 | /* cpu state */ |
222 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
191 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
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192 | #ifndef NDEBUG |
223 | JMPENV *idle_te; /* same as idle_sp, but for top_env, TODO: remove once stable */ |
193 | JMPENV *idle_te; /* same as idle_sp, but for top_env */ |
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194 | #endif |
224 | JMPENV *top_env; |
195 | JMPENV *top_env; |
225 | coro_context cctx; |
196 | coro_context cctx; |
226 | |
197 | |
227 | U32 gen; |
198 | U32 gen; |
228 | #if CORO_USE_VALGRIND |
199 | #if CORO_USE_VALGRIND |
229 | int valgrind_id; |
200 | int valgrind_id; |
230 | #endif |
201 | #endif |
231 | unsigned char flags; |
202 | unsigned char flags; |
232 | } coro_cctx; |
203 | } coro_cctx; |
233 | |
204 | |
234 | coro_cctx *cctx_current; /* the currently running cctx */ |
205 | static coro_cctx *cctx_current; /* the currently running cctx */ |
235 | |
206 | |
236 | /*****************************************************************************/ |
207 | /*****************************************************************************/ |
237 | |
208 | |
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209 | static MGVTBL coro_state_vtbl; |
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210 | |
238 | enum { |
211 | enum |
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212 | { |
239 | CF_RUNNING = 0x0001, /* coroutine is running */ |
213 | CF_RUNNING = 0x0001, /* coroutine is running */ |
240 | CF_READY = 0x0002, /* coroutine is ready */ |
214 | CF_READY = 0x0002, /* coroutine is ready */ |
241 | CF_NEW = 0x0004, /* has never been switched to */ |
215 | CF_NEW = 0x0004, /* has never been switched to */ |
242 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
216 | CF_ZOMBIE = 0x0008, /* coroutine data has been freed */ |
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217 | CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ |
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218 | CF_NOCANCEL = 0x0020, /* cannot cancel, set slf_frame.data to 1 (hackish) */ |
243 | }; |
219 | }; |
244 | |
220 | |
245 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
221 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
246 | typedef struct |
222 | typedef struct |
247 | { |
223 | { |
248 | SV *defsv; |
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249 | AV *defav; |
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250 | SV *errsv; |
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251 | SV *irsgv; |
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252 | HV *hinthv; |
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253 | #define VAR(name,type) type name; |
224 | #define VARx(name,expr,type) type name; |
254 | # include "state.h" |
225 | #include "state.h" |
255 | #undef VAR |
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256 | } perl_slots; |
226 | } perl_slots; |
257 | |
227 | |
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228 | /* how many context stack entries do we need for perl_slots */ |
258 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
229 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
259 | |
230 | |
260 | /* this is a structure representing a perl-level coroutine */ |
231 | /* this is a structure representing a perl-level coroutine */ |
261 | struct coro { |
232 | struct coro |
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233 | { |
262 | /* the C coroutine allocated to this perl coroutine, if any */ |
234 | /* the C coroutine allocated to this perl coroutine, if any */ |
263 | coro_cctx *cctx; |
235 | coro_cctx *cctx; |
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236 | |
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237 | /* ready queue */ |
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238 | struct coro *next_ready; |
264 | |
239 | |
265 | /* state data */ |
240 | /* state data */ |
266 | struct CoroSLF slf_frame; /* saved slf frame */ |
241 | struct CoroSLF slf_frame; /* saved slf frame */ |
267 | AV *mainstack; |
242 | AV *mainstack; |
268 | perl_slots *slot; /* basically the saved sp */ |
243 | perl_slots *slot; /* basically the saved sp */ |
269 | |
244 | |
270 | CV *startcv; /* the CV to execute */ |
245 | CV *startcv; /* the CV to execute */ |
271 | AV *args; /* data associated with this coroutine (initial args) */ |
246 | AV *args; /* data associated with this coroutine (initial args) */ |
272 | int refcnt; /* coroutines are refcounted, yes */ |
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273 | int flags; /* CF_ flags */ |
247 | int flags; /* CF_ flags */ |
274 | HV *hv; /* the perl hash associated with this coro, if any */ |
248 | HV *hv; /* the perl hash associated with this coro, if any */ |
275 | void (*on_destroy)(pTHX_ struct coro *coro); |
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276 | |
249 | |
277 | /* statistics */ |
250 | /* statistics */ |
278 | int usecount; /* number of transfers to this coro */ |
251 | int usecount; /* number of transfers to this coro */ |
279 | |
252 | |
280 | /* coro process data */ |
253 | /* coro process data */ |
281 | int prio; |
254 | int prio; |
282 | SV *except; /* exception to be thrown */ |
255 | SV *except; /* exception to be thrown */ |
283 | SV *rouse_cb; |
256 | SV *rouse_cb; /* last rouse callback */ |
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257 | AV *on_destroy; /* callbacks or coros to notify on destroy */ |
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258 | AV *status; /* the exit status list */ |
284 | |
259 | |
285 | /* async_pool */ |
260 | /* async_pool */ |
286 | SV *saved_deffh; |
261 | SV *saved_deffh; |
287 | SV *invoke_cb; |
262 | SV *invoke_cb; |
288 | AV *invoke_av; |
263 | AV *invoke_av; |
289 | |
264 | |
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265 | /* on_enter/on_leave */ |
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266 | AV *on_enter; AV *on_enter_xs; |
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267 | AV *on_leave; AV *on_leave_xs; |
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268 | |
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269 | /* swap_sv */ |
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270 | AV *swap_sv; |
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271 | |
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272 | /* times */ |
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273 | coro_ts t_cpu, t_real; |
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274 | |
290 | /* linked list */ |
275 | /* linked list */ |
291 | struct coro *next, *prev; |
276 | struct coro *next, *prev; |
292 | }; |
277 | }; |
293 | |
278 | |
294 | typedef struct coro *Coro__State; |
279 | typedef struct coro *Coro__State; |
295 | typedef struct coro *Coro__State_or_hashref; |
280 | typedef struct coro *Coro__State_or_hashref; |
296 | |
281 | |
297 | /* the following variables are effectively part of the perl context */ |
282 | /* the following variables are effectively part of the perl context */ |
298 | /* and get copied between struct coro and these variables */ |
283 | /* and get copied between struct coro and these variables */ |
299 | /* the mainr easonw e don't support windows process emulation */ |
284 | /* the main reason we don't support windows process emulation */ |
300 | static struct CoroSLF slf_frame; /* the current slf frame */ |
285 | static struct CoroSLF slf_frame; /* the current slf frame */ |
301 | |
286 | |
302 | /** Coro ********************************************************************/ |
287 | /** Coro ********************************************************************/ |
303 | |
288 | |
304 | #define PRIO_MAX 3 |
289 | #define CORO_PRIO_MAX 3 |
305 | #define PRIO_HIGH 1 |
290 | #define CORO_PRIO_HIGH 1 |
306 | #define PRIO_NORMAL 0 |
291 | #define CORO_PRIO_NORMAL 0 |
307 | #define PRIO_LOW -1 |
292 | #define CORO_PRIO_LOW -1 |
308 | #define PRIO_IDLE -3 |
293 | #define CORO_PRIO_IDLE -3 |
309 | #define PRIO_MIN -4 |
294 | #define CORO_PRIO_MIN -4 |
310 | |
295 | |
311 | /* for Coro.pm */ |
296 | /* for Coro.pm */ |
312 | static SV *coro_current; |
297 | static SV *coro_current; |
313 | static SV *coro_readyhook; |
298 | static SV *coro_readyhook; |
314 | static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1]; |
299 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
315 | static CV *cv_coro_run, *cv_coro_terminate; |
300 | static CV *cv_coro_run; |
316 | static struct coro *coro_first; |
301 | static struct coro *coro_first; |
317 | #define coro_nready coroapi.nready |
302 | #define coro_nready coroapi.nready |
318 | |
303 | |
|
|
304 | /** JIT *********************************************************************/ |
|
|
305 | |
|
|
306 | #if CORO_JIT |
|
|
307 | /* APPLE doesn't have mmap though */ |
|
|
308 | #define CORO_JIT_UNIXY (__linux || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __solaris || __APPLE__) |
|
|
309 | #ifndef CORO_JIT_TYPE |
|
|
310 | #if ECB_AMD64 && CORO_JIT_UNIXY |
|
|
311 | #define CORO_JIT_TYPE "amd64-unix" |
|
|
312 | #elif __i386 && CORO_JIT_UNIXY |
|
|
313 | #define CORO_JIT_TYPE "x86-unix" |
|
|
314 | #endif |
|
|
315 | #endif |
|
|
316 | #endif |
|
|
317 | |
|
|
318 | #if !defined(CORO_JIT_TYPE) || _POSIX_MEMORY_PROTECTION <= 0 |
|
|
319 | #undef CORO_JIT |
|
|
320 | #endif |
|
|
321 | |
|
|
322 | #if CORO_JIT |
|
|
323 | typedef void (*load_save_perl_slots_type)(perl_slots *); |
|
|
324 | static load_save_perl_slots_type load_perl_slots, save_perl_slots; |
|
|
325 | #endif |
|
|
326 | |
|
|
327 | /** Coro::Select ************************************************************/ |
|
|
328 | |
|
|
329 | static OP *(*coro_old_pp_sselect) (pTHX); |
|
|
330 | static SV *coro_select_select; |
|
|
331 | |
|
|
332 | /* horrible hack, but if it works... */ |
|
|
333 | static OP * |
|
|
334 | coro_pp_sselect (pTHX) |
|
|
335 | { |
|
|
336 | dSP; |
|
|
337 | PUSHMARK (SP - 4); /* fake argument list */ |
|
|
338 | XPUSHs (coro_select_select); |
|
|
339 | PUTBACK; |
|
|
340 | |
|
|
341 | /* entersub is an UNOP, select a LISTOP... keep your fingers crossed */ |
|
|
342 | PL_op->op_flags |= OPf_STACKED; |
|
|
343 | PL_op->op_private = 0; |
|
|
344 | return PL_ppaddr [OP_ENTERSUB](aTHX); |
|
|
345 | } |
|
|
346 | |
|
|
347 | /** time stuff **************************************************************/ |
|
|
348 | |
|
|
349 | #ifdef HAS_GETTIMEOFDAY |
|
|
350 | |
|
|
351 | ecb_inline void |
|
|
352 | coro_u2time (pTHX_ UV ret[2]) |
|
|
353 | { |
|
|
354 | struct timeval tv; |
|
|
355 | gettimeofday (&tv, 0); |
|
|
356 | |
|
|
357 | ret [0] = tv.tv_sec; |
|
|
358 | ret [1] = tv.tv_usec; |
|
|
359 | } |
|
|
360 | |
|
|
361 | ecb_inline double |
|
|
362 | coro_nvtime (void) |
|
|
363 | { |
|
|
364 | struct timeval tv; |
|
|
365 | gettimeofday (&tv, 0); |
|
|
366 | |
|
|
367 | return tv.tv_sec + tv.tv_usec * 1e-6; |
|
|
368 | } |
|
|
369 | |
|
|
370 | ecb_inline void |
|
|
371 | time_init (pTHX) |
|
|
372 | { |
|
|
373 | nvtime = coro_nvtime; |
|
|
374 | u2time = coro_u2time; |
|
|
375 | } |
|
|
376 | |
|
|
377 | #else |
|
|
378 | |
|
|
379 | ecb_inline void |
|
|
380 | time_init (pTHX) |
|
|
381 | { |
|
|
382 | SV **svp; |
|
|
383 | |
|
|
384 | require_pv ("Time/HiRes.pm"); |
|
|
385 | |
|
|
386 | svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
|
|
387 | |
|
|
388 | if (!svp) croak ("Time::HiRes is required, but missing. Caught"); |
|
|
389 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught"); |
|
|
390 | |
|
|
391 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
|
|
392 | |
|
|
393 | svp = hv_fetch (PL_modglobal, "Time::U2time", 12, 0); |
|
|
394 | u2time = INT2PTR (void (*)(pTHX_ UV ret[2]), SvIV (*svp)); |
|
|
395 | } |
|
|
396 | |
|
|
397 | #endif |
|
|
398 | |
319 | /** lowlevel stuff **********************************************************/ |
399 | /** lowlevel stuff **********************************************************/ |
320 | |
400 | |
321 | static SV * |
401 | static SV * ecb_noinline |
322 | coro_get_sv (pTHX_ const char *name, int create) |
402 | coro_get_sv (pTHX_ const char *name, int create) |
323 | { |
403 | { |
324 | #if PERL_VERSION_ATLEAST (5,10,0) |
404 | #if PERL_VERSION_ATLEAST (5,10,0) |
325 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
405 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
326 | get_sv (name, create); |
406 | get_sv (name, create); |
327 | #endif |
407 | #endif |
328 | return get_sv (name, create); |
408 | return get_sv (name, create); |
329 | } |
409 | } |
330 | |
410 | |
331 | static AV * |
411 | static AV * ecb_noinline |
332 | coro_get_av (pTHX_ const char *name, int create) |
412 | coro_get_av (pTHX_ const char *name, int create) |
333 | { |
413 | { |
334 | #if PERL_VERSION_ATLEAST (5,10,0) |
414 | #if PERL_VERSION_ATLEAST (5,10,0) |
335 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
415 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
336 | get_av (name, create); |
416 | get_av (name, create); |
337 | #endif |
417 | #endif |
338 | return get_av (name, create); |
418 | return get_av (name, create); |
339 | } |
419 | } |
340 | |
420 | |
341 | static HV * |
421 | static HV * ecb_noinline |
342 | coro_get_hv (pTHX_ const char *name, int create) |
422 | coro_get_hv (pTHX_ const char *name, int create) |
343 | { |
423 | { |
344 | #if PERL_VERSION_ATLEAST (5,10,0) |
424 | #if PERL_VERSION_ATLEAST (5,10,0) |
345 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
425 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
346 | get_hv (name, create); |
426 | get_hv (name, create); |
347 | #endif |
427 | #endif |
348 | return get_hv (name, create); |
428 | return get_hv (name, create); |
349 | } |
429 | } |
350 | |
430 | |
351 | /* may croak */ |
431 | ecb_inline void |
352 | INLINE CV * |
432 | coro_times_update (void) |
353 | coro_sv_2cv (pTHX_ SV *sv) |
|
|
354 | { |
433 | { |
355 | HV *st; |
434 | #ifdef coro_clock_gettime |
356 | GV *gvp; |
435 | struct timespec ts; |
357 | return sv_2cv (sv, &st, &gvp, 0); |
|
|
358 | } |
|
|
359 | |
436 | |
360 | static AV * |
437 | ts.tv_sec = ts.tv_nsec = 0; |
|
|
438 | coro_clock_gettime (CORO_CLOCK_THREAD_CPUTIME_ID, &ts); |
|
|
439 | time_cpu [0] = ts.tv_sec; time_cpu [1] = ts.tv_nsec; |
|
|
440 | |
|
|
441 | ts.tv_sec = ts.tv_nsec = 0; |
|
|
442 | coro_clock_gettime (CORO_CLOCK_MONOTONIC, &ts); |
|
|
443 | time_real [0] = ts.tv_sec; time_real [1] = ts.tv_nsec; |
|
|
444 | #else |
|
|
445 | dTHX; |
|
|
446 | UV tv[2]; |
|
|
447 | |
|
|
448 | u2time (aTHX_ tv); |
|
|
449 | time_real [0] = tv [0]; |
|
|
450 | time_real [1] = tv [1] * 1000; |
|
|
451 | #endif |
|
|
452 | } |
|
|
453 | |
|
|
454 | ecb_inline void |
|
|
455 | coro_times_add (struct coro *c) |
|
|
456 | { |
|
|
457 | c->t_real [1] += time_real [1]; |
|
|
458 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
|
|
459 | c->t_real [0] += time_real [0]; |
|
|
460 | |
|
|
461 | c->t_cpu [1] += time_cpu [1]; |
|
|
462 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
|
|
463 | c->t_cpu [0] += time_cpu [0]; |
|
|
464 | } |
|
|
465 | |
|
|
466 | ecb_inline void |
|
|
467 | coro_times_sub (struct coro *c) |
|
|
468 | { |
|
|
469 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
|
|
470 | c->t_real [1] -= time_real [1]; |
|
|
471 | c->t_real [0] -= time_real [0]; |
|
|
472 | |
|
|
473 | if (c->t_cpu [1] < time_cpu [1]) { c->t_cpu [1] += 1000000000; --c->t_cpu [0]; } |
|
|
474 | c->t_cpu [1] -= time_cpu [1]; |
|
|
475 | c->t_cpu [0] -= time_cpu [0]; |
|
|
476 | } |
|
|
477 | |
|
|
478 | /*****************************************************************************/ |
|
|
479 | /* magic glue */ |
|
|
480 | |
|
|
481 | #define CORO_MAGIC_type_cv 26 |
|
|
482 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
|
|
483 | |
|
|
484 | #define CORO_MAGIC_NN(sv, type) \ |
|
|
485 | (ecb_expect_true (SvMAGIC (sv)->mg_type == type) \ |
|
|
486 | ? SvMAGIC (sv) \ |
|
|
487 | : mg_find (sv, type)) |
|
|
488 | |
|
|
489 | #define CORO_MAGIC(sv, type) \ |
|
|
490 | (ecb_expect_true (SvMAGIC (sv)) \ |
|
|
491 | ? CORO_MAGIC_NN (sv, type) \ |
|
|
492 | : 0) |
|
|
493 | |
|
|
494 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
|
|
495 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
|
|
496 | |
|
|
497 | ecb_inline MAGIC * |
|
|
498 | SvSTATEhv_p (pTHX_ SV *coro) |
|
|
499 | { |
|
|
500 | MAGIC *mg; |
|
|
501 | |
|
|
502 | if (ecb_expect_true ( |
|
|
503 | SvTYPE (coro) == SVt_PVHV |
|
|
504 | && (mg = CORO_MAGIC_state (coro)) |
|
|
505 | && mg->mg_virtual == &coro_state_vtbl |
|
|
506 | )) |
|
|
507 | return mg; |
|
|
508 | |
|
|
509 | return 0; |
|
|
510 | } |
|
|
511 | |
|
|
512 | ecb_inline struct coro * |
|
|
513 | SvSTATE_ (pTHX_ SV *coro_sv) |
|
|
514 | { |
|
|
515 | MAGIC *mg; |
|
|
516 | |
|
|
517 | if (SvROK (coro_sv)) |
|
|
518 | coro_sv = SvRV (coro_sv); |
|
|
519 | |
|
|
520 | mg = SvSTATEhv_p (aTHX_ coro_sv); |
|
|
521 | if (!mg) |
|
|
522 | croak ("Coro::State object required"); |
|
|
523 | |
|
|
524 | return (struct coro *)mg->mg_ptr; |
|
|
525 | } |
|
|
526 | |
|
|
527 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
|
|
528 | |
|
|
529 | /* faster than SvSTATE, but expects a coroutine hv */ |
|
|
530 | #define SvSTATE_hv(hv) ((struct coro *)CORO_MAGIC_NN ((SV *)hv, CORO_MAGIC_type_state)->mg_ptr) |
|
|
531 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
|
|
532 | |
|
|
533 | /*****************************************************************************/ |
|
|
534 | /* padlist management and caching */ |
|
|
535 | |
|
|
536 | ecb_inline PADLIST * |
361 | coro_derive_padlist (pTHX_ CV *cv) |
537 | coro_derive_padlist (pTHX_ CV *cv) |
362 | { |
538 | { |
363 | AV *padlist = CvPADLIST (cv); |
539 | PADLIST *padlist = CvPADLIST (cv); |
364 | AV *newpadlist, *newpad; |
540 | PADLIST *newpadlist; |
|
|
541 | PADNAMELIST *padnames; |
|
|
542 | PAD *newpad; |
|
|
543 | PADOFFSET off = PadlistMAX (padlist) + 1; |
365 | |
544 | |
366 | newpadlist = newAV (); |
545 | #if NEWPADAPI |
|
|
546 | |
|
|
547 | /* if we had the original CvDEPTH, we might be able to steal the CvDEPTH+1 entry instead */ |
|
|
548 | /* 20131102194744.GA6705@schmorp.de, 20131102195825.2013.qmail@lists-nntp.develooper.com */ |
|
|
549 | while (!PadlistARRAY (padlist)[off - 1]) |
|
|
550 | --off; |
|
|
551 | |
|
|
552 | Perl_pad_push (aTHX_ padlist, off); |
|
|
553 | |
|
|
554 | newpad = PadlistARRAY (padlist)[off]; |
|
|
555 | PadlistARRAY (padlist)[off] = 0; |
|
|
556 | |
|
|
557 | #else |
|
|
558 | |
|
|
559 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
560 | Perl_pad_push (aTHX_ padlist, off); |
|
|
561 | #else |
|
|
562 | Perl_pad_push (aTHX_ padlist, off, 1); |
|
|
563 | #endif |
|
|
564 | |
|
|
565 | newpad = PadlistARRAY (padlist)[off]; |
|
|
566 | PadlistMAX (padlist) = off - 1; |
|
|
567 | |
|
|
568 | #endif |
|
|
569 | |
|
|
570 | newPADLIST (newpadlist); |
|
|
571 | #if !PERL_VERSION_ATLEAST(5,15,3) |
|
|
572 | /* Padlists are AvREAL as of 5.15.3. See perl bug #98092 and perl commit 7d953ba. */ |
367 | AvREAL_off (newpadlist); |
573 | AvREAL_off (newpadlist); |
368 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
369 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1); |
|
|
370 | #else |
|
|
371 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
|
|
372 | #endif |
574 | #endif |
373 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
|
|
374 | --AvFILLp (padlist); |
|
|
375 | |
575 | |
376 | av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE))); |
576 | /* Already extended to 2 elements by newPADLIST. */ |
377 | av_store (newpadlist, 1, (SV *)newpad); |
577 | PadlistMAX (newpadlist) = 1; |
|
|
578 | |
|
|
579 | padnames = PadlistNAMES (padlist); |
|
|
580 | ++PadnamelistREFCNT (padnames); |
|
|
581 | PadlistNAMES (newpadlist) = padnames; |
|
|
582 | |
|
|
583 | PadlistARRAY (newpadlist)[1] = newpad; |
378 | |
584 | |
379 | return newpadlist; |
585 | return newpadlist; |
380 | } |
586 | } |
381 | |
587 | |
382 | static void |
588 | ecb_inline void |
383 | free_padlist (pTHX_ AV *padlist) |
589 | free_padlist (pTHX_ PADLIST *padlist) |
384 | { |
590 | { |
385 | /* may be during global destruction */ |
591 | /* may be during global destruction */ |
386 | if (SvREFCNT (padlist)) |
592 | if (!IN_DESTRUCT) |
387 | { |
593 | { |
388 | I32 i = AvFILLp (padlist); |
594 | I32 i = PadlistMAX (padlist); |
389 | while (i >= 0) |
595 | |
|
|
596 | while (i > 0) /* special-case index 0 */ |
390 | { |
597 | { |
391 | SV **svp = AvARRAY (padlist)[i--]; |
598 | /* we try to be extra-careful here */ |
|
|
599 | PAD *pad = PadlistARRAY (padlist)[i--]; |
|
|
600 | |
392 | if (svp) |
601 | if (pad) |
393 | { |
602 | { |
394 | AvREAL_on (*svp); |
603 | I32 j = PadMAX (pad); |
395 | av_undef (*svp); |
604 | |
|
|
605 | while (j >= 0) |
|
|
606 | SvREFCNT_dec (PadARRAY (pad)[j--]); |
|
|
607 | |
|
|
608 | PadMAX (pad) = -1; |
396 | SvREFCNT_dec (*svp); |
609 | SvREFCNT_dec (pad); |
397 | } |
610 | } |
398 | } |
611 | } |
399 | |
612 | |
|
|
613 | PadnamelistREFCNT_dec (PadlistNAMES (padlist)); |
|
|
614 | |
|
|
615 | #if NEWPADAPI |
|
|
616 | Safefree (PadlistARRAY (padlist)); |
|
|
617 | Safefree (padlist); |
|
|
618 | #else |
|
|
619 | AvFILLp (padlist) = -1; |
|
|
620 | AvREAL_off (padlist); |
400 | SvREFCNT_dec ((SV*)padlist); |
621 | SvREFCNT_dec ((SV*)padlist); |
|
|
622 | #endif |
401 | } |
623 | } |
402 | } |
624 | } |
403 | |
625 | |
404 | static int |
626 | static int |
405 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
627 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
406 | { |
628 | { |
407 | AV *padlist; |
629 | PADLIST *padlist; |
408 | AV *av = (AV *)mg->mg_obj; |
630 | PADLIST **padlists = (PADLIST **)(mg->mg_ptr + sizeof(size_t)); |
|
|
631 | size_t len = *(size_t *)mg->mg_ptr; |
409 | |
632 | |
410 | /* casting is fun. */ |
633 | /* perl manages to free our internal AV and _then_ call us */ |
411 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
634 | if (IN_DESTRUCT) |
|
|
635 | return 0; |
|
|
636 | |
|
|
637 | while (len--) |
412 | free_padlist (aTHX_ padlist); |
638 | free_padlist (aTHX_ padlists[len]); |
413 | |
|
|
414 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
|
|
415 | |
639 | |
416 | return 0; |
640 | return 0; |
417 | } |
641 | } |
418 | |
|
|
419 | #define CORO_MAGIC_type_cv 26 |
|
|
420 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
|
|
421 | |
642 | |
422 | static MGVTBL coro_cv_vtbl = { |
643 | static MGVTBL coro_cv_vtbl = { |
423 | 0, 0, 0, 0, |
644 | 0, 0, 0, 0, |
424 | coro_cv_free |
645 | coro_cv_free |
425 | }; |
646 | }; |
426 | |
647 | |
427 | #define CORO_MAGIC_NN(sv, type) \ |
|
|
428 | (expect_true (SvMAGIC (sv)->mg_type == type) \ |
|
|
429 | ? SvMAGIC (sv) \ |
|
|
430 | : mg_find (sv, type)) |
|
|
431 | |
|
|
432 | #define CORO_MAGIC(sv, type) \ |
|
|
433 | (expect_true (SvMAGIC (sv)) \ |
|
|
434 | ? CORO_MAGIC_NN (sv, type) \ |
|
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435 | : 0) |
|
|
436 | |
|
|
437 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
|
|
438 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
|
|
439 | |
|
|
440 | INLINE struct coro * |
|
|
441 | SvSTATE_ (pTHX_ SV *coro) |
|
|
442 | { |
|
|
443 | HV *stash; |
|
|
444 | MAGIC *mg; |
|
|
445 | |
|
|
446 | if (SvROK (coro)) |
|
|
447 | coro = SvRV (coro); |
|
|
448 | |
|
|
449 | if (expect_false (SvTYPE (coro) != SVt_PVHV)) |
|
|
450 | croak ("Coro::State object required"); |
|
|
451 | |
|
|
452 | stash = SvSTASH (coro); |
|
|
453 | if (expect_false (stash != coro_stash && stash != coro_state_stash)) |
|
|
454 | { |
|
|
455 | /* very slow, but rare, check */ |
|
|
456 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
|
|
457 | croak ("Coro::State object required"); |
|
|
458 | } |
|
|
459 | |
|
|
460 | mg = CORO_MAGIC_state (coro); |
|
|
461 | return (struct coro *)mg->mg_ptr; |
|
|
462 | } |
|
|
463 | |
|
|
464 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
|
|
465 | |
|
|
466 | /* faster than SvSTATE, but expects a coroutine hv */ |
|
|
467 | #define SvSTATE_hv(hv) ((struct coro *)CORO_MAGIC_NN ((SV *)hv, CORO_MAGIC_type_state)->mg_ptr) |
|
|
468 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
|
|
469 | |
|
|
470 | /* the next two functions merely cache the padlists */ |
648 | /* the next two functions merely cache the padlists */ |
471 | static void |
649 | ecb_inline void |
472 | get_padlist (pTHX_ CV *cv) |
650 | get_padlist (pTHX_ CV *cv) |
473 | { |
651 | { |
474 | MAGIC *mg = CORO_MAGIC_cv (cv); |
652 | MAGIC *mg = CORO_MAGIC_cv (cv); |
475 | AV *av; |
653 | size_t *lenp; |
476 | |
654 | |
477 | if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
655 | if (ecb_expect_true (mg && *(lenp = (size_t *)mg->mg_ptr))) |
478 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
656 | CvPADLIST (cv) = ((PADLIST **)(mg->mg_ptr + sizeof(size_t)))[--*lenp]; |
479 | else |
657 | else |
480 | { |
658 | { |
481 | #if CORO_PREFER_PERL_FUNCTIONS |
659 | #if CORO_PREFER_PERL_FUNCTIONS |
482 | /* this is probably cleaner? but also slower! */ |
660 | /* this is probably cleaner? but also slower! */ |
483 | /* in practise, it seems to be less stable */ |
661 | /* in practise, it seems to be less stable */ |
… | |
… | |
489 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
667 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
490 | #endif |
668 | #endif |
491 | } |
669 | } |
492 | } |
670 | } |
493 | |
671 | |
494 | static void |
672 | ecb_inline void |
495 | put_padlist (pTHX_ CV *cv) |
673 | put_padlist (pTHX_ CV *cv) |
496 | { |
674 | { |
497 | MAGIC *mg = CORO_MAGIC_cv (cv); |
675 | MAGIC *mg = CORO_MAGIC_cv (cv); |
498 | AV *av; |
|
|
499 | |
676 | |
500 | if (expect_false (!mg)) |
677 | if (ecb_expect_false (!mg)) |
|
|
678 | { |
501 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
679 | mg = sv_magicext ((SV *)cv, 0, CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
|
|
680 | Newz (0, mg->mg_ptr ,sizeof (size_t) + sizeof (PADLIST *), char); |
|
|
681 | mg->mg_len = 1; /* so mg_free frees mg_ptr */ |
|
|
682 | } |
|
|
683 | else |
|
|
684 | Renew (mg->mg_ptr, |
|
|
685 | sizeof(size_t) + (*(size_t *)mg->mg_ptr + 1) * sizeof(PADLIST *), |
|
|
686 | char); |
502 | |
687 | |
503 | av = (AV *)mg->mg_obj; |
688 | ((PADLIST **)(mg->mg_ptr + sizeof (size_t))) [(*(size_t *)mg->mg_ptr)++] = CvPADLIST (cv); |
504 | |
|
|
505 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
|
|
506 | av_extend (av, AvFILLp (av) + 1); |
|
|
507 | |
|
|
508 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
|
|
509 | } |
689 | } |
510 | |
690 | |
511 | /** load & save, init *******************************************************/ |
691 | /** load & save, init *******************************************************/ |
|
|
692 | |
|
|
693 | ecb_inline void |
|
|
694 | swap_sv (SV *a, SV *b) |
|
|
695 | { |
|
|
696 | const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */ |
|
|
697 | SV tmp; |
|
|
698 | |
|
|
699 | /* swap sv_any */ |
|
|
700 | SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp); |
|
|
701 | |
|
|
702 | /* swap sv_flags */ |
|
|
703 | SvFLAGS (&tmp) = SvFLAGS (a); |
|
|
704 | SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep); |
|
|
705 | SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep); |
|
|
706 | |
|
|
707 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
708 | /* perl 5.10 and later complicates this _quite_ a bit, but it also |
|
|
709 | * is much faster, so no quarrels here. alternatively, we could |
|
|
710 | * sv_upgrade to avoid this. |
|
|
711 | */ |
|
|
712 | { |
|
|
713 | /* swap sv_u */ |
|
|
714 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
|
|
715 | |
|
|
716 | /* if SvANY points to the head, we need to adjust the pointers, |
|
|
717 | * as the pointer for a still points to b, and maybe vice versa. |
|
|
718 | */ |
|
|
719 | U32 svany_in_head_set = (1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV); |
|
|
720 | #if NVSIZE <= IVSIZE && PERL_VERSION_ATLEAST(5,22,0) |
|
|
721 | svany_in_head_set |= 1 << SVt_NV; |
|
|
722 | #endif |
|
|
723 | |
|
|
724 | #define svany_in_head(type) (svany_in_head_set & (1 << (type))) |
|
|
725 | |
|
|
726 | if (svany_in_head (SvTYPE (a))) |
|
|
727 | SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a); |
|
|
728 | |
|
|
729 | if (svany_in_head (SvTYPE (b))) |
|
|
730 | SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b); |
|
|
731 | } |
|
|
732 | #endif |
|
|
733 | } |
|
|
734 | |
|
|
735 | /* swap sv heads, at least logically */ |
|
|
736 | static void |
|
|
737 | swap_svs_enter (pTHX_ Coro__State c) |
|
|
738 | { |
|
|
739 | int i; |
|
|
740 | |
|
|
741 | for (i = 0; i <= AvFILLp (c->swap_sv); i += 2) |
|
|
742 | swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]); |
|
|
743 | } |
|
|
744 | |
|
|
745 | static void |
|
|
746 | swap_svs_leave (pTHX_ Coro__State c) |
|
|
747 | { |
|
|
748 | int i; |
|
|
749 | |
|
|
750 | for (i = AvFILLp (c->swap_sv) - 1; i >= 0; i -= 2) |
|
|
751 | swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]); |
|
|
752 | } |
|
|
753 | |
|
|
754 | #define SWAP_SVS_ENTER(coro) \ |
|
|
755 | if (ecb_expect_false ((coro)->swap_sv)) \ |
|
|
756 | swap_svs_enter (aTHX_ (coro)) |
|
|
757 | |
|
|
758 | #define SWAP_SVS_LEAVE(coro) \ |
|
|
759 | if (ecb_expect_false ((coro)->swap_sv)) \ |
|
|
760 | swap_svs_leave (aTHX_ (coro)) |
|
|
761 | |
|
|
762 | static void |
|
|
763 | on_enterleave_call (pTHX_ SV *cb); |
512 | |
764 | |
513 | static void |
765 | static void |
514 | load_perl (pTHX_ Coro__State c) |
766 | load_perl (pTHX_ Coro__State c) |
515 | { |
767 | { |
516 | perl_slots *slot = c->slot; |
768 | perl_slots *slot = c->slot; |
517 | c->slot = 0; |
769 | c->slot = 0; |
518 | |
770 | |
519 | PL_mainstack = c->mainstack; |
771 | PL_mainstack = c->mainstack; |
520 | |
772 | |
521 | GvSV (PL_defgv) = slot->defsv; |
773 | #if CORO_JIT |
522 | GvAV (PL_defgv) = slot->defav; |
774 | load_perl_slots (slot); |
523 | GvSV (PL_errgv) = slot->errsv; |
775 | #else |
524 | GvSV (irsgv) = slot->irsgv; |
|
|
525 | GvHV (PL_hintgv) = slot->hinthv; |
|
|
526 | |
|
|
527 | #define VAR(name,type) PL_ ## name = slot->name; |
776 | #define VARx(name,expr,type) expr = slot->name; |
528 | # include "state.h" |
777 | #include "state.h" |
529 | #undef VAR |
778 | #endif |
530 | |
779 | |
531 | { |
780 | { |
532 | dSP; |
781 | dSP; |
533 | |
782 | |
534 | CV *cv; |
783 | CV *cv; |
535 | |
784 | |
536 | /* now do the ugly restore mess */ |
785 | /* now do the ugly restore mess */ |
537 | while (expect_true (cv = (CV *)POPs)) |
786 | while (ecb_expect_true (cv = (CV *)POPs)) |
538 | { |
787 | { |
539 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
788 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
540 | CvDEPTH (cv) = PTR2IV (POPs); |
789 | CvDEPTH (cv) = PTR2IV (POPs); |
541 | CvPADLIST (cv) = (AV *)POPs; |
790 | CvPADLIST (cv) = (PADLIST *)POPs; |
542 | } |
791 | } |
543 | |
792 | |
544 | PUTBACK; |
793 | PUTBACK; |
545 | } |
794 | } |
546 | |
795 | |
547 | slf_frame = c->slf_frame; |
796 | slf_frame = c->slf_frame; |
548 | CORO_THROW = c->except; |
797 | CORO_THROW = c->except; |
|
|
798 | |
|
|
799 | if (ecb_expect_false (enable_times)) |
|
|
800 | { |
|
|
801 | if (ecb_expect_false (!times_valid)) |
|
|
802 | coro_times_update (); |
|
|
803 | |
|
|
804 | coro_times_sub (c); |
|
|
805 | } |
|
|
806 | |
|
|
807 | if (ecb_expect_false (c->on_enter)) |
|
|
808 | { |
|
|
809 | int i; |
|
|
810 | |
|
|
811 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
|
|
812 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
|
|
813 | } |
|
|
814 | |
|
|
815 | if (ecb_expect_false (c->on_enter_xs)) |
|
|
816 | { |
|
|
817 | int i; |
|
|
818 | |
|
|
819 | for (i = 0; i <= AvFILLp (c->on_enter_xs); i += 2) |
|
|
820 | ((coro_enterleave_hook)AvARRAY (c->on_enter_xs)[i]) (aTHX_ AvARRAY (c->on_enter_xs)[i + 1]); |
|
|
821 | } |
|
|
822 | |
|
|
823 | SWAP_SVS_ENTER (c); |
549 | } |
824 | } |
550 | |
825 | |
551 | static void |
826 | static void |
552 | save_perl (pTHX_ Coro__State c) |
827 | save_perl (pTHX_ Coro__State c) |
553 | { |
828 | { |
|
|
829 | SWAP_SVS_LEAVE (c); |
|
|
830 | |
|
|
831 | if (ecb_expect_false (c->on_leave_xs)) |
|
|
832 | { |
|
|
833 | int i; |
|
|
834 | |
|
|
835 | for (i = AvFILLp (c->on_leave_xs) - 1; i >= 0; i -= 2) |
|
|
836 | ((coro_enterleave_hook)AvARRAY (c->on_leave_xs)[i]) (aTHX_ AvARRAY (c->on_leave_xs)[i + 1]); |
|
|
837 | } |
|
|
838 | |
|
|
839 | if (ecb_expect_false (c->on_leave)) |
|
|
840 | { |
|
|
841 | int i; |
|
|
842 | |
|
|
843 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
|
|
844 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
|
|
845 | } |
|
|
846 | |
|
|
847 | times_valid = 0; |
|
|
848 | |
|
|
849 | if (ecb_expect_false (enable_times)) |
|
|
850 | { |
|
|
851 | coro_times_update (); times_valid = 1; |
|
|
852 | coro_times_add (c); |
|
|
853 | } |
|
|
854 | |
554 | c->except = CORO_THROW; |
855 | c->except = CORO_THROW; |
555 | c->slf_frame = slf_frame; |
856 | c->slf_frame = slf_frame; |
556 | |
857 | |
557 | { |
858 | { |
558 | dSP; |
859 | dSP; |
… | |
… | |
567 | |
868 | |
568 | XPUSHs (Nullsv); |
869 | XPUSHs (Nullsv); |
569 | /* this loop was inspired by pp_caller */ |
870 | /* this loop was inspired by pp_caller */ |
570 | for (;;) |
871 | for (;;) |
571 | { |
872 | { |
572 | while (expect_true (cxix >= 0)) |
873 | while (ecb_expect_true (cxix >= 0)) |
573 | { |
874 | { |
574 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
875 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
575 | |
876 | |
576 | if (expect_true (CxTYPE (cx) == CXt_SUB || CxTYPE (cx) == CXt_FORMAT)) |
877 | if (ecb_expect_true (CxTYPE (cx) == CXt_SUB) || ecb_expect_false (CxTYPE (cx) == CXt_FORMAT)) |
577 | { |
878 | { |
578 | CV *cv = cx->blk_sub.cv; |
879 | CV *cv = cx->blk_sub.cv; |
579 | |
880 | |
580 | if (expect_true (CvDEPTH (cv))) |
881 | if (ecb_expect_true (CvDEPTH (cv))) |
581 | { |
882 | { |
582 | EXTEND (SP, 3); |
883 | EXTEND (SP, 3); |
583 | PUSHs ((SV *)CvPADLIST (cv)); |
884 | PUSHs ((SV *)CvPADLIST (cv)); |
584 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
885 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
585 | PUSHs ((SV *)cv); |
886 | PUSHs ((SV *)cv); |
… | |
… | |
588 | get_padlist (aTHX_ cv); |
889 | get_padlist (aTHX_ cv); |
589 | } |
890 | } |
590 | } |
891 | } |
591 | } |
892 | } |
592 | |
893 | |
593 | if (expect_true (top_si->si_type == PERLSI_MAIN)) |
894 | if (ecb_expect_true (top_si->si_type == PERLSI_MAIN)) |
594 | break; |
895 | break; |
595 | |
896 | |
596 | top_si = top_si->si_prev; |
897 | top_si = top_si->si_prev; |
597 | ccstk = top_si->si_cxstack; |
898 | ccstk = top_si->si_cxstack; |
598 | cxix = top_si->si_cxix; |
899 | cxix = top_si->si_cxix; |
… | |
… | |
600 | |
901 | |
601 | PUTBACK; |
902 | PUTBACK; |
602 | } |
903 | } |
603 | |
904 | |
604 | /* allocate some space on the context stack for our purposes */ |
905 | /* allocate some space on the context stack for our purposes */ |
605 | /* we manually unroll here, as usually 2 slots is enough */ |
906 | if (ecb_expect_false (cxstack_ix + (int)SLOT_COUNT >= cxstack_max)) |
606 | if (SLOT_COUNT >= 1) CXINC; |
|
|
607 | if (SLOT_COUNT >= 2) CXINC; |
|
|
608 | if (SLOT_COUNT >= 3) CXINC; |
|
|
609 | { |
907 | { |
610 | int i; |
908 | unsigned int i; |
|
|
909 | |
611 | for (i = 3; i < SLOT_COUNT; ++i) |
910 | for (i = 0; i < SLOT_COUNT; ++i) |
612 | CXINC; |
911 | CXINC; |
613 | } |
912 | |
614 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
913 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
|
|
914 | } |
615 | |
915 | |
616 | c->mainstack = PL_mainstack; |
916 | c->mainstack = PL_mainstack; |
617 | |
917 | |
618 | { |
918 | { |
619 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
919 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
620 | |
920 | |
621 | slot->defav = GvAV (PL_defgv); |
921 | #if CORO_JIT |
622 | slot->defsv = DEFSV; |
922 | save_perl_slots (slot); |
623 | slot->errsv = ERRSV; |
923 | #else |
624 | slot->irsgv = GvSV (irsgv); |
|
|
625 | slot->hinthv = GvHV (PL_hintgv); |
|
|
626 | |
|
|
627 | #define VAR(name,type) slot->name = PL_ ## name; |
924 | #define VARx(name,expr,type) slot->name = expr; |
628 | # include "state.h" |
925 | #include "state.h" |
629 | #undef VAR |
926 | #endif |
630 | } |
927 | } |
631 | } |
928 | } |
632 | |
929 | |
633 | /* |
930 | /* |
634 | * allocate various perl stacks. This is almost an exact copy |
931 | * allocate various perl stacks. This is almost an exact copy |
… | |
… | |
640 | # define coro_init_stacks(thx) init_stacks () |
937 | # define coro_init_stacks(thx) init_stacks () |
641 | #else |
938 | #else |
642 | static void |
939 | static void |
643 | coro_init_stacks (pTHX) |
940 | coro_init_stacks (pTHX) |
644 | { |
941 | { |
645 | PL_curstackinfo = new_stackinfo(32, 8); |
942 | PL_curstackinfo = new_stackinfo(32, 4 + SLOT_COUNT); /* 3 is minimum due to perl rounding down in scope.c:GROW() */ |
646 | PL_curstackinfo->si_type = PERLSI_MAIN; |
943 | PL_curstackinfo->si_type = PERLSI_MAIN; |
647 | PL_curstack = PL_curstackinfo->si_stack; |
944 | PL_curstack = PL_curstackinfo->si_stack; |
648 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
945 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
649 | |
946 | |
650 | PL_stack_base = AvARRAY(PL_curstack); |
947 | PL_stack_base = AvARRAY(PL_curstack); |
… | |
… | |
665 | #endif |
962 | #endif |
666 | |
963 | |
667 | New(54,PL_scopestack,8,I32); |
964 | New(54,PL_scopestack,8,I32); |
668 | PL_scopestack_ix = 0; |
965 | PL_scopestack_ix = 0; |
669 | PL_scopestack_max = 8; |
966 | PL_scopestack_max = 8; |
|
|
967 | #if HAS_SCOPESTACK_NAME |
|
|
968 | New(54,PL_scopestack_name,8,const char*); |
|
|
969 | #endif |
670 | |
970 | |
671 | New(54,PL_savestack,24,ANY); |
971 | New(54,PL_savestack,24,ANY); |
672 | PL_savestack_ix = 0; |
972 | PL_savestack_ix = 0; |
673 | PL_savestack_max = 24; |
973 | PL_savestack_max = 24; |
|
|
974 | #if PERL_VERSION_ATLEAST (5,24,0) |
|
|
975 | /* perl 5.24 moves SS_MAXPUSH optimisation from */ |
|
|
976 | /* the header macros to PL_savestack_max */ |
|
|
977 | PL_savestack_max -= SS_MAXPUSH; |
|
|
978 | #endif |
674 | |
979 | |
675 | #if !PERL_VERSION_ATLEAST (5,10,0) |
980 | #if !PERL_VERSION_ATLEAST (5,10,0) |
676 | New(54,PL_retstack,4,OP*); |
981 | New(54,PL_retstack,4,OP*); |
677 | PL_retstack_ix = 0; |
982 | PL_retstack_ix = 0; |
678 | PL_retstack_max = 4; |
983 | PL_retstack_max = 4; |
… | |
… | |
702 | } |
1007 | } |
703 | |
1008 | |
704 | Safefree (PL_tmps_stack); |
1009 | Safefree (PL_tmps_stack); |
705 | Safefree (PL_markstack); |
1010 | Safefree (PL_markstack); |
706 | Safefree (PL_scopestack); |
1011 | Safefree (PL_scopestack); |
|
|
1012 | #if HAS_SCOPESTACK_NAME |
|
|
1013 | Safefree (PL_scopestack_name); |
|
|
1014 | #endif |
707 | Safefree (PL_savestack); |
1015 | Safefree (PL_savestack); |
708 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1016 | #if !PERL_VERSION_ATLEAST (5,10,0) |
709 | Safefree (PL_retstack); |
1017 | Safefree (PL_retstack); |
710 | #endif |
1018 | #endif |
711 | } |
1019 | } |
… | |
… | |
741 | } |
1049 | } |
742 | |
1050 | |
743 | return rss; |
1051 | return rss; |
744 | } |
1052 | } |
745 | |
1053 | |
746 | /** coroutine stack handling ************************************************/ |
1054 | /** provide custom get/set/clear methods for %SIG elements ******************/ |
747 | |
|
|
748 | static int (*orig_sigelem_get) (pTHX_ SV *sv, MAGIC *mg); |
|
|
749 | static int (*orig_sigelem_set) (pTHX_ SV *sv, MAGIC *mg); |
|
|
750 | static int (*orig_sigelem_clr) (pTHX_ SV *sv, MAGIC *mg); |
|
|
751 | |
1055 | |
752 | /* apparently < 5.8.8 */ |
1056 | /* apparently < 5.8.8 */ |
753 | #ifndef MgPV_nolen_const |
1057 | #ifndef MgPV_nolen_const |
754 | #define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \ |
1058 | #define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \ |
755 | SvPV_nolen((SV*)((mg)->mg_ptr)) : \ |
1059 | SvPV_nolen((SV*)((mg)->mg_ptr)) : \ |
756 | (const char*)(mg)->mg_ptr) |
1060 | (const char*)(mg)->mg_ptr) |
757 | #endif |
1061 | #endif |
758 | |
1062 | |
|
|
1063 | /* this will be a patched copy of PL_vtbl_sigelem */ |
|
|
1064 | static MGVTBL coro_sigelem_vtbl; |
|
|
1065 | |
|
|
1066 | static int ecb_cold |
|
|
1067 | coro_sig_copy (pTHX_ SV *sv, MAGIC *mg, SV *nsv, const char *name, I32 namlen) |
|
|
1068 | { |
|
|
1069 | char *key = SvPV_nolen ((SV *)name); |
|
|
1070 | |
|
|
1071 | /* do what mg_copy normally does */ |
|
|
1072 | sv_magic (nsv, mg->mg_obj, PERL_MAGIC_sigelem, name, namlen); |
|
|
1073 | assert (mg_find (nsv, PERL_MAGIC_sigelem)->mg_virtual == &PL_vtbl_sigelem); |
|
|
1074 | |
|
|
1075 | /* patch sigelem vtbl, but only for __WARN__ and __DIE__ */ |
|
|
1076 | if (*key == '_' |
|
|
1077 | && (strEQ (key, "__DIE__") |
|
|
1078 | || strEQ (key, "__WARN__"))) |
|
|
1079 | mg_find (nsv, PERL_MAGIC_sigelem)->mg_virtual = &coro_sigelem_vtbl; |
|
|
1080 | |
|
|
1081 | return 1; |
|
|
1082 | } |
|
|
1083 | |
|
|
1084 | /* perl does not have a %SIG vtbl, we provide one so we can override */ |
|
|
1085 | /* the magic vtbl for the __DIE__ and __WARN__ members */ |
|
|
1086 | static const MGVTBL coro_sig_vtbl = { |
|
|
1087 | 0, 0, 0, 0, 0, |
|
|
1088 | coro_sig_copy |
|
|
1089 | }; |
|
|
1090 | |
759 | /* |
1091 | /* |
760 | * This overrides the default magic get method of %SIG elements. |
1092 | * This overrides the default magic get method of %SIG elements. |
761 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
1093 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
762 | * and instead of tryign to save and restore the hash elements, we just provide |
1094 | * and instead of trying to save and restore the hash elements (extremely slow), |
763 | * readback here. |
1095 | * we just provide our own readback here. |
764 | * We only do this when the hook is != 0, as they are often set to 0 temporarily, |
|
|
765 | * not expecting this to actually change the hook. This is a potential problem |
|
|
766 | * when a schedule happens then, but we ignore this. |
|
|
767 | */ |
1096 | */ |
768 | static int |
1097 | static int ecb_cold |
769 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
1098 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
770 | { |
1099 | { |
771 | const char *s = MgPV_nolen_const (mg); |
1100 | const char *s = MgPV_nolen_const (mg); |
|
|
1101 | /* the key must be either __DIE__ or __WARN__ here */ |
|
|
1102 | SV **svp = s[2] == 'D' ? &PL_diehook : &PL_warnhook; |
772 | |
1103 | |
773 | if (*s == '_') |
1104 | SV *ssv; |
774 | { |
|
|
775 | SV **svp = 0; |
|
|
776 | |
1105 | |
777 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
|
|
778 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
|
|
779 | |
|
|
780 | if (svp) |
1106 | if (!*svp) |
781 | { |
1107 | ssv = &PL_sv_undef; |
782 | sv_setsv (sv, *svp ? *svp : &PL_sv_undef); |
1108 | else if (SvTYPE (*svp) == SVt_PVCV) /* perlio directly stores a CV in warnhook. ugh. */ |
783 | return 0; |
1109 | ssv = sv_2mortal (newRV_inc (*svp)); |
784 | } |
1110 | else |
785 | } |
1111 | ssv = *svp; |
786 | |
1112 | |
787 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
1113 | sv_setsv (sv, ssv); |
|
|
1114 | return 0; |
788 | } |
1115 | } |
789 | |
1116 | |
790 | static int |
1117 | static int ecb_cold |
791 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
1118 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
792 | { |
1119 | { |
793 | const char *s = MgPV_nolen_const (mg); |
1120 | const char *s = MgPV_nolen_const (mg); |
|
|
1121 | /* the key must be either __DIE__ or __WARN__ here */ |
|
|
1122 | SV **svp = s[2] == 'D' ? &PL_diehook : &PL_warnhook; |
794 | |
1123 | |
795 | if (*s == '_') |
|
|
796 | { |
|
|
797 | SV **svp = 0; |
|
|
798 | |
|
|
799 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
|
|
800 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
|
|
801 | |
|
|
802 | if (svp) |
|
|
803 | { |
|
|
804 | SV *old = *svp; |
1124 | SV *old = *svp; |
805 | *svp = 0; |
1125 | *svp = 0; |
806 | SvREFCNT_dec (old); |
1126 | SvREFCNT_dec (old); |
807 | return 0; |
1127 | return 0; |
808 | } |
|
|
809 | } |
|
|
810 | |
|
|
811 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
|
|
812 | } |
1128 | } |
813 | |
1129 | |
814 | static int |
1130 | static int ecb_cold |
815 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
1131 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
816 | { |
1132 | { |
817 | const char *s = MgPV_nolen_const (mg); |
1133 | const char *s = MgPV_nolen_const (mg); |
|
|
1134 | /* the key must be either __DIE__ or __WARN__ here */ |
|
|
1135 | SV **svp = s[2] == 'D' ? &PL_diehook : &PL_warnhook; |
818 | |
1136 | |
819 | if (*s == '_') |
|
|
820 | { |
|
|
821 | SV **svp = 0; |
|
|
822 | |
|
|
823 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
|
|
824 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
|
|
825 | |
|
|
826 | if (svp) |
|
|
827 | { |
|
|
828 | SV *old = *svp; |
1137 | SV *old = *svp; |
829 | *svp = newSVsv (sv); |
1138 | *svp = SvOK (sv) ? newSVsv (sv) : 0; |
830 | SvREFCNT_dec (old); |
1139 | SvREFCNT_dec (old); |
831 | return 0; |
1140 | return 0; |
832 | } |
|
|
833 | } |
|
|
834 | |
|
|
835 | return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0; |
|
|
836 | } |
1141 | } |
837 | |
1142 | |
838 | static void |
1143 | static void |
839 | prepare_nop (pTHX_ struct coro_transfer_args *ta) |
1144 | prepare_nop (pTHX_ struct coro_transfer_args *ta) |
840 | { |
1145 | { |
… | |
… | |
852 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
1157 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
853 | { |
1158 | { |
854 | return 1; |
1159 | return 1; |
855 | } |
1160 | } |
856 | |
1161 | |
857 | static UNOP coro_setup_op; |
1162 | /** coroutine stack handling ************************************************/ |
858 | |
1163 | |
859 | static void NOINLINE /* noinline to keep it out of the transfer fast path */ |
1164 | static UNOP init_perl_op; |
|
|
1165 | |
|
|
1166 | ecb_noinline static void /* noinline to keep it out of the transfer fast path */ |
860 | coro_setup (pTHX_ struct coro *coro) |
1167 | init_perl (pTHX_ struct coro *coro) |
861 | { |
1168 | { |
862 | /* |
1169 | /* |
863 | * emulate part of the perl startup here. |
1170 | * emulate part of the perl startup here. |
864 | */ |
1171 | */ |
865 | coro_init_stacks (aTHX); |
1172 | coro_init_stacks (aTHX); |
… | |
… | |
872 | PL_comppad_name_fill = 0; |
1179 | PL_comppad_name_fill = 0; |
873 | PL_comppad_name_floor = 0; |
1180 | PL_comppad_name_floor = 0; |
874 | PL_curpm = 0; |
1181 | PL_curpm = 0; |
875 | PL_curpad = 0; |
1182 | PL_curpad = 0; |
876 | PL_localizing = 0; |
1183 | PL_localizing = 0; |
877 | PL_dirty = 0; |
|
|
878 | PL_restartop = 0; |
1184 | PL_restartop = 0; |
879 | #if PERL_VERSION_ATLEAST (5,10,0) |
1185 | #if PERL_VERSION_ATLEAST (5,10,0) |
880 | PL_parser = 0; |
1186 | PL_parser = 0; |
881 | #endif |
1187 | #endif |
882 | PL_hints = 0; |
1188 | PL_hints = 0; |
883 | |
1189 | |
884 | /* recreate the die/warn hooks */ |
1190 | /* recreate the die/warn hooks */ |
885 | PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); |
1191 | PL_diehook = SvREFCNT_inc (rv_diehook); |
886 | PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); |
1192 | PL_warnhook = SvREFCNT_inc (rv_warnhook); |
887 | |
1193 | |
888 | GvSV (PL_defgv) = newSV (0); |
1194 | GvSV (PL_defgv) = newSV (0); |
889 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1195 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
890 | GvSV (PL_errgv) = newSV (0); |
1196 | GvSV (PL_errgv) = newSV (0); |
891 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
1197 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
892 | GvHV (PL_hintgv) = 0; |
1198 | GvHV (PL_hintgv) = newHV (); |
|
|
1199 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
1200 | hv_magic (GvHV (PL_hintgv), 0, PERL_MAGIC_hints); |
|
|
1201 | #endif |
893 | PL_rs = newSVsv (GvSV (irsgv)); |
1202 | PL_rs = newSVsv (GvSV (irsgv)); |
894 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
1203 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
895 | |
1204 | |
896 | { |
1205 | { |
897 | dSP; |
1206 | dSP; |
… | |
… | |
912 | /* this newly created coroutine might be run on an existing cctx which most |
1221 | /* this newly created coroutine might be run on an existing cctx which most |
913 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
1222 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
914 | */ |
1223 | */ |
915 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
1224 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
916 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
1225 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
|
|
1226 | slf_frame.destroy = 0; |
917 | |
1227 | |
918 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
1228 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
919 | coro_setup_op.op_next = PL_op; |
1229 | init_perl_op.op_next = PL_op; |
920 | coro_setup_op.op_type = OP_ENTERSUB; |
1230 | init_perl_op.op_type = OP_ENTERSUB; |
921 | coro_setup_op.op_ppaddr = pp_slf; |
1231 | init_perl_op.op_ppaddr = pp_slf; |
922 | /* no flags etc. required, as an init function won't be called */ |
1232 | /* no flags etc. required, as an init function won't be called */ |
923 | |
1233 | |
924 | PL_op = (OP *)&coro_setup_op; |
1234 | PL_op = (OP *)&init_perl_op; |
925 | |
1235 | |
926 | /* copy throw, in case it was set before coro_setup */ |
1236 | /* copy throw, in case it was set before init_perl */ |
927 | CORO_THROW = coro->except; |
1237 | CORO_THROW = coro->except; |
928 | } |
|
|
929 | |
1238 | |
|
|
1239 | SWAP_SVS_ENTER (coro); |
|
|
1240 | |
|
|
1241 | if (ecb_expect_false (enable_times)) |
|
|
1242 | { |
|
|
1243 | coro_times_update (); |
|
|
1244 | coro_times_sub (coro); |
|
|
1245 | } |
|
|
1246 | } |
|
|
1247 | |
930 | static void |
1248 | static void |
931 | coro_destruct (pTHX_ struct coro *coro) |
1249 | coro_unwind_stacks (pTHX) |
932 | { |
1250 | { |
933 | if (!IN_DESTRUCT) |
1251 | if (!IN_DESTRUCT) |
934 | { |
1252 | { |
935 | /* restore all saved variables and stuff */ |
1253 | /* restore all saved variables and stuff */ |
936 | LEAVE_SCOPE (0); |
1254 | LEAVE_SCOPE (0); |
… | |
… | |
944 | POPSTACK_TO (PL_mainstack); |
1262 | POPSTACK_TO (PL_mainstack); |
945 | |
1263 | |
946 | /* unwind main stack */ |
1264 | /* unwind main stack */ |
947 | dounwind (-1); |
1265 | dounwind (-1); |
948 | } |
1266 | } |
|
|
1267 | } |
949 | |
1268 | |
950 | SvREFCNT_dec (GvSV (PL_defgv)); |
1269 | static void |
951 | SvREFCNT_dec (GvAV (PL_defgv)); |
1270 | destroy_perl (pTHX_ struct coro *coro) |
952 | SvREFCNT_dec (GvSV (PL_errgv)); |
1271 | { |
953 | SvREFCNT_dec (PL_defoutgv); |
1272 | SV *svf [9]; |
954 | SvREFCNT_dec (PL_rs); |
|
|
955 | SvREFCNT_dec (GvSV (irsgv)); |
|
|
956 | SvREFCNT_dec (GvHV (PL_hintgv)); |
|
|
957 | |
1273 | |
958 | SvREFCNT_dec (PL_diehook); |
|
|
959 | SvREFCNT_dec (PL_warnhook); |
|
|
960 | |
1274 | { |
|
|
1275 | SV *old_current = SvRV (coro_current); |
|
|
1276 | struct coro *current = SvSTATE (old_current); |
|
|
1277 | |
|
|
1278 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
|
|
1279 | |
|
|
1280 | save_perl (aTHX_ current); |
|
|
1281 | |
|
|
1282 | /* this will cause transfer_check to croak on block*/ |
|
|
1283 | SvRV_set (coro_current, (SV *)coro->hv); |
|
|
1284 | |
|
|
1285 | load_perl (aTHX_ coro); |
|
|
1286 | |
|
|
1287 | /* restore swapped sv's */ |
|
|
1288 | SWAP_SVS_LEAVE (coro); |
|
|
1289 | |
|
|
1290 | coro_unwind_stacks (aTHX); |
|
|
1291 | |
|
|
1292 | coro_destruct_stacks (aTHX); |
|
|
1293 | |
|
|
1294 | /* now save some sv's to be free'd later */ |
|
|
1295 | svf [0] = GvSV (PL_defgv); |
|
|
1296 | svf [1] = (SV *)GvAV (PL_defgv); |
|
|
1297 | svf [2] = GvSV (PL_errgv); |
|
|
1298 | svf [3] = (SV *)PL_defoutgv; |
|
|
1299 | svf [4] = PL_rs; |
|
|
1300 | svf [5] = GvSV (irsgv); |
|
|
1301 | svf [6] = (SV *)GvHV (PL_hintgv); |
|
|
1302 | svf [7] = PL_diehook; |
|
|
1303 | svf [8] = PL_warnhook; |
|
|
1304 | assert (9 == sizeof (svf) / sizeof (*svf)); |
|
|
1305 | |
|
|
1306 | SvRV_set (coro_current, old_current); |
|
|
1307 | |
|
|
1308 | load_perl (aTHX_ current); |
|
|
1309 | } |
|
|
1310 | |
|
|
1311 | { |
|
|
1312 | unsigned int i; |
|
|
1313 | |
|
|
1314 | for (i = 0; i < sizeof (svf) / sizeof (*svf); ++i) |
|
|
1315 | SvREFCNT_dec (svf [i]); |
|
|
1316 | |
961 | SvREFCNT_dec (coro->saved_deffh); |
1317 | SvREFCNT_dec (coro->saved_deffh); |
962 | SvREFCNT_dec (coro->rouse_cb); |
1318 | SvREFCNT_dec (coro->rouse_cb); |
963 | SvREFCNT_dec (coro->invoke_cb); |
1319 | SvREFCNT_dec (coro->invoke_cb); |
964 | SvREFCNT_dec (coro->invoke_av); |
1320 | SvREFCNT_dec (coro->invoke_av); |
965 | |
1321 | SvREFCNT_dec (coro->on_enter_xs); |
966 | coro_destruct_stacks (aTHX); |
1322 | SvREFCNT_dec (coro->on_leave_xs); |
|
|
1323 | } |
967 | } |
1324 | } |
968 | |
1325 | |
969 | INLINE void |
1326 | ecb_inline void |
970 | free_coro_mortal (pTHX) |
1327 | free_coro_mortal (pTHX) |
971 | { |
1328 | { |
972 | if (expect_true (coro_mortal)) |
1329 | if (ecb_expect_true (coro_mortal)) |
973 | { |
1330 | { |
974 | SvREFCNT_dec (coro_mortal); |
1331 | SvREFCNT_dec ((SV *)coro_mortal); |
975 | coro_mortal = 0; |
1332 | coro_mortal = 0; |
976 | } |
1333 | } |
977 | } |
1334 | } |
978 | |
1335 | |
979 | static int |
1336 | static int |
… | |
… | |
1033 | |
1390 | |
1034 | if (PL_curcop != &PL_compiling) |
1391 | if (PL_curcop != &PL_compiling) |
1035 | { |
1392 | { |
1036 | SV **cb; |
1393 | SV **cb; |
1037 | |
1394 | |
1038 | if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB) |
1395 | if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB && cxstack_ix >= 0) |
1039 | { |
1396 | { |
1040 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1397 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1041 | |
1398 | |
1042 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
1399 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
1043 | { |
1400 | { |
… | |
… | |
1112 | |
1469 | |
1113 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1470 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1114 | } |
1471 | } |
1115 | |
1472 | |
1116 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1473 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1117 | static void NOINLINE |
1474 | static void ecb_noinline |
1118 | cctx_prepare (pTHX) |
1475 | cctx_prepare (pTHX) |
1119 | { |
1476 | { |
1120 | PL_top_env = &PL_start_env; |
1477 | PL_top_env = &PL_start_env; |
1121 | |
1478 | |
1122 | if (cctx_current->flags & CC_TRACE) |
1479 | if (cctx_current->flags & CC_TRACE) |
… | |
… | |
1133 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1490 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1134 | slf_frame.check = slf_check_set_stacklevel; |
1491 | slf_frame.check = slf_check_set_stacklevel; |
1135 | } |
1492 | } |
1136 | |
1493 | |
1137 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1494 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1138 | INLINE void |
1495 | ecb_inline void |
1139 | transfer_tail (pTHX) |
1496 | transfer_tail (pTHX) |
1140 | { |
1497 | { |
1141 | free_coro_mortal (aTHX); |
1498 | free_coro_mortal (aTHX); |
|
|
1499 | } |
|
|
1500 | |
|
|
1501 | /* try to exit the same way perl's main function would do */ |
|
|
1502 | /* we do not bother resetting the environment or other things *7 |
|
|
1503 | /* that are not, uhm, essential */ |
|
|
1504 | /* this obviously also doesn't work when perl is embedded */ |
|
|
1505 | static void ecb_noinline ecb_cold |
|
|
1506 | perlish_exit (pTHX) |
|
|
1507 | { |
|
|
1508 | int exitstatus = perl_destruct (PL_curinterp); |
|
|
1509 | perl_free (PL_curinterp); |
|
|
1510 | exit (exitstatus); |
1142 | } |
1511 | } |
1143 | |
1512 | |
1144 | /* |
1513 | /* |
1145 | * this is a _very_ stripped down perl interpreter ;) |
1514 | * this is a _very_ stripped down perl interpreter ;) |
1146 | */ |
1515 | */ |
… | |
… | |
1168 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1537 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1169 | PL_restartop = PL_op; |
1538 | PL_restartop = PL_op; |
1170 | perl_run (PL_curinterp); |
1539 | perl_run (PL_curinterp); |
1171 | /* |
1540 | /* |
1172 | * Unfortunately, there is no way to get at the return values of the |
1541 | * Unfortunately, there is no way to get at the return values of the |
1173 | * coro body here, as perl_run destroys these |
1542 | * coro body here, as perl_run destroys these. Likewise, we cannot catch |
|
|
1543 | * runtime errors here, as this is just a random interpreter, not a thread. |
1174 | */ |
1544 | */ |
|
|
1545 | |
|
|
1546 | /* |
|
|
1547 | * pp_entersub in 5.24 no longer ENTERs, but perl_destruct |
|
|
1548 | * requires PL_scopestack_ix, so do it here if required. |
|
|
1549 | */ |
|
|
1550 | if (!PL_scopestack_ix) |
|
|
1551 | ENTER; |
1175 | |
1552 | |
1176 | /* |
1553 | /* |
1177 | * If perl-run returns we assume exit() was being called or the coro |
1554 | * If perl-run returns we assume exit() was being called or the coro |
1178 | * fell off the end, which seems to be the only valid (non-bug) |
1555 | * fell off the end, which seems to be the only valid (non-bug) |
1179 | * reason for perl_run to return. We try to exit by jumping to the |
1556 | * reason for perl_run to return. We try to mimic whatever perl is normally |
1180 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1557 | * doing in that case. YMMV. |
1181 | * coroutine as Coro has no such concept. |
|
|
1182 | * This actually isn't valid with the pthread backend, but OSes requiring |
|
|
1183 | * that backend are too broken to do it in a standards-compliant way. |
|
|
1184 | */ |
1558 | */ |
1185 | PL_top_env = main_top_env; |
1559 | perlish_exit (aTHX); |
1186 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
|
|
1187 | } |
1560 | } |
1188 | } |
1561 | } |
1189 | |
1562 | |
1190 | static coro_cctx * |
1563 | static coro_cctx * |
1191 | cctx_new () |
1564 | cctx_new (void) |
1192 | { |
1565 | { |
1193 | coro_cctx *cctx; |
1566 | coro_cctx *cctx; |
1194 | |
1567 | |
1195 | ++cctx_count; |
1568 | ++cctx_count; |
1196 | New (0, cctx, 1, coro_cctx); |
1569 | New (0, cctx, 1, coro_cctx); |
… | |
… | |
1202 | return cctx; |
1575 | return cctx; |
1203 | } |
1576 | } |
1204 | |
1577 | |
1205 | /* create a new cctx only suitable as source */ |
1578 | /* create a new cctx only suitable as source */ |
1206 | static coro_cctx * |
1579 | static coro_cctx * |
1207 | cctx_new_empty () |
1580 | cctx_new_empty (void) |
1208 | { |
1581 | { |
1209 | coro_cctx *cctx = cctx_new (); |
1582 | coro_cctx *cctx = cctx_new (); |
1210 | |
1583 | |
1211 | cctx->sptr = 0; |
1584 | cctx->stack.sptr = 0; |
1212 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
1585 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
1213 | |
1586 | |
1214 | return cctx; |
1587 | return cctx; |
1215 | } |
1588 | } |
1216 | |
1589 | |
1217 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1590 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1218 | static coro_cctx * |
1591 | static coro_cctx * |
1219 | cctx_new_run () |
1592 | cctx_new_run (void) |
1220 | { |
1593 | { |
1221 | coro_cctx *cctx = cctx_new (); |
1594 | coro_cctx *cctx = cctx_new (); |
1222 | void *stack_start; |
|
|
1223 | size_t stack_size; |
|
|
1224 | |
1595 | |
1225 | #if HAVE_MMAP |
1596 | if (!coro_stack_alloc (&cctx->stack, cctx_stacksize)) |
1226 | cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
|
|
1227 | /* mmap supposedly does allocate-on-write for us */ |
|
|
1228 | cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
|
|
1229 | |
|
|
1230 | if (cctx->sptr != (void *)-1) |
|
|
1231 | { |
|
|
1232 | #if CORO_STACKGUARD |
|
|
1233 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
|
|
1234 | #endif |
|
|
1235 | stack_start = (char *)cctx->sptr + CORO_STACKGUARD * PAGESIZE; |
|
|
1236 | stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE; |
|
|
1237 | cctx->flags |= CC_MAPPED; |
|
|
1238 | } |
1597 | { |
1239 | else |
|
|
1240 | #endif |
|
|
1241 | { |
|
|
1242 | cctx->ssize = cctx_stacksize * (long)sizeof (long); |
|
|
1243 | New (0, cctx->sptr, cctx_stacksize, long); |
|
|
1244 | |
|
|
1245 | if (!cctx->sptr) |
|
|
1246 | { |
|
|
1247 | perror ("FATAL: unable to allocate stack for coroutine, exiting."); |
1598 | perror ("FATAL: unable to allocate stack for coroutine, exiting."); |
1248 | _exit (EXIT_FAILURE); |
1599 | _exit (EXIT_FAILURE); |
1249 | } |
|
|
1250 | |
|
|
1251 | stack_start = cctx->sptr; |
|
|
1252 | stack_size = cctx->ssize; |
|
|
1253 | } |
1600 | } |
1254 | |
1601 | |
1255 | #if CORO_USE_VALGRIND |
|
|
1256 | cctx->valgrind_id = VALGRIND_STACK_REGISTER ((char *)stack_start, (char *)stack_start + stack_size); |
|
|
1257 | #endif |
|
|
1258 | |
|
|
1259 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size); |
1602 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, cctx->stack.sptr, cctx->stack.ssze); |
1260 | |
1603 | |
1261 | return cctx; |
1604 | return cctx; |
1262 | } |
1605 | } |
1263 | |
1606 | |
1264 | static void |
1607 | static void |
1265 | cctx_destroy (coro_cctx *cctx) |
1608 | cctx_destroy (coro_cctx *cctx) |
1266 | { |
1609 | { |
1267 | if (!cctx) |
1610 | if (!cctx) |
1268 | return; |
1611 | return; |
1269 | |
1612 | |
1270 | assert (cctx != cctx_current);//D temporary |
1613 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current)); |
1271 | |
1614 | |
1272 | --cctx_count; |
1615 | --cctx_count; |
1273 | coro_destroy (&cctx->cctx); |
1616 | coro_destroy (&cctx->cctx); |
1274 | |
1617 | |
1275 | /* coro_transfer creates new, empty cctx's */ |
1618 | coro_stack_free (&cctx->stack); |
1276 | if (cctx->sptr) |
|
|
1277 | { |
|
|
1278 | #if CORO_USE_VALGRIND |
|
|
1279 | VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); |
|
|
1280 | #endif |
|
|
1281 | |
|
|
1282 | #if HAVE_MMAP |
|
|
1283 | if (cctx->flags & CC_MAPPED) |
|
|
1284 | munmap (cctx->sptr, cctx->ssize); |
|
|
1285 | else |
|
|
1286 | #endif |
|
|
1287 | Safefree (cctx->sptr); |
|
|
1288 | } |
|
|
1289 | |
1619 | |
1290 | Safefree (cctx); |
1620 | Safefree (cctx); |
1291 | } |
1621 | } |
1292 | |
1622 | |
1293 | /* wether this cctx should be destructed */ |
1623 | /* wether this cctx should be destructed */ |
1294 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1624 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1295 | |
1625 | |
1296 | static coro_cctx * |
1626 | static coro_cctx * |
1297 | cctx_get (pTHX) |
1627 | cctx_get (pTHX) |
1298 | { |
1628 | { |
1299 | while (expect_true (cctx_first)) |
1629 | while (ecb_expect_true (cctx_first)) |
1300 | { |
1630 | { |
1301 | coro_cctx *cctx = cctx_first; |
1631 | coro_cctx *cctx = cctx_first; |
1302 | cctx_first = cctx->next; |
1632 | cctx_first = cctx->next; |
1303 | --cctx_idle; |
1633 | --cctx_idle; |
1304 | |
1634 | |
1305 | if (expect_true (!CCTX_EXPIRED (cctx))) |
1635 | if (ecb_expect_true (!CCTX_EXPIRED (cctx))) |
1306 | return cctx; |
1636 | return cctx; |
1307 | |
1637 | |
1308 | cctx_destroy (cctx); |
1638 | cctx_destroy (cctx); |
1309 | } |
1639 | } |
1310 | |
1640 | |
… | |
… | |
1312 | } |
1642 | } |
1313 | |
1643 | |
1314 | static void |
1644 | static void |
1315 | cctx_put (coro_cctx *cctx) |
1645 | cctx_put (coro_cctx *cctx) |
1316 | { |
1646 | { |
1317 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr)); |
1647 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->stack.sptr)); |
1318 | |
1648 | |
1319 | /* free another cctx if overlimit */ |
1649 | /* free another cctx if overlimit */ |
1320 | if (expect_false (cctx_idle >= cctx_max_idle)) |
1650 | if (ecb_expect_false (cctx_idle >= cctx_max_idle)) |
1321 | { |
1651 | { |
1322 | coro_cctx *first = cctx_first; |
1652 | coro_cctx *first = cctx_first; |
1323 | cctx_first = first->next; |
1653 | cctx_first = first->next; |
1324 | --cctx_idle; |
1654 | --cctx_idle; |
1325 | |
1655 | |
… | |
… | |
1336 | static void |
1666 | static void |
1337 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1667 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1338 | { |
1668 | { |
1339 | /* TODO: throwing up here is considered harmful */ |
1669 | /* TODO: throwing up here is considered harmful */ |
1340 | |
1670 | |
1341 | if (expect_true (prev != next)) |
1671 | if (ecb_expect_true (prev != next)) |
1342 | { |
1672 | { |
1343 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1673 | if (ecb_expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1344 | croak ("Coro::State::transfer called with a suspended prev Coro::State, but can only transfer from running or new states,"); |
1674 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1345 | |
1675 | |
1346 | if (expect_false (next->flags & CF_RUNNING)) |
1676 | if (ecb_expect_false (next->flags & (CF_RUNNING | CF_ZOMBIE | CF_SUSPENDED))) |
1347 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states,"); |
|
|
1348 | |
|
|
1349 | if (expect_false (next->flags & CF_DESTROYED)) |
|
|
1350 | croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states,"); |
1677 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1351 | |
1678 | |
1352 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1679 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1353 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1680 | if (ecb_expect_false (PL_lex_state != LEX_NOTPARSING)) |
1354 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1681 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1355 | #endif |
1682 | #endif |
1356 | } |
1683 | } |
1357 | } |
1684 | } |
1358 | |
1685 | |
1359 | /* always use the TRANSFER macro */ |
1686 | /* always use the TRANSFER macro */ |
1360 | static void NOINLINE /* noinline so we have a fixed stackframe */ |
1687 | static void ecb_noinline /* noinline so we have a fixed stackframe */ |
1361 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1688 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1362 | { |
1689 | { |
1363 | dSTACKLEVEL; |
1690 | dSTACKLEVEL; |
1364 | |
1691 | |
1365 | /* sometimes transfer is only called to set idle_sp */ |
1692 | /* sometimes transfer is only called to set idle_sp */ |
1366 | if (expect_false (!prev)) |
1693 | if (ecb_expect_false (!prev)) |
1367 | { |
1694 | { |
1368 | cctx_current->idle_sp = STACKLEVEL; |
1695 | cctx_current->idle_sp = STACKLEVEL; |
1369 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1696 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1370 | } |
1697 | } |
1371 | else if (expect_true (prev != next)) |
1698 | else if (ecb_expect_true (prev != next)) |
1372 | { |
1699 | { |
1373 | coro_cctx *cctx_prev; |
1700 | coro_cctx *cctx_prev; |
1374 | |
1701 | |
1375 | if (expect_false (prev->flags & CF_NEW)) |
1702 | if (ecb_expect_false (prev->flags & CF_NEW)) |
1376 | { |
1703 | { |
1377 | /* create a new empty/source context */ |
1704 | /* create a new empty/source context */ |
1378 | prev->flags &= ~CF_NEW; |
1705 | prev->flags &= ~CF_NEW; |
1379 | prev->flags |= CF_RUNNING; |
1706 | prev->flags |= CF_RUNNING; |
1380 | } |
1707 | } |
… | |
… | |
1383 | next->flags |= CF_RUNNING; |
1710 | next->flags |= CF_RUNNING; |
1384 | |
1711 | |
1385 | /* first get rid of the old state */ |
1712 | /* first get rid of the old state */ |
1386 | save_perl (aTHX_ prev); |
1713 | save_perl (aTHX_ prev); |
1387 | |
1714 | |
1388 | if (expect_false (next->flags & CF_NEW)) |
1715 | if (ecb_expect_false (next->flags & CF_NEW)) |
1389 | { |
1716 | { |
1390 | /* need to start coroutine */ |
1717 | /* need to start coroutine */ |
1391 | next->flags &= ~CF_NEW; |
1718 | next->flags &= ~CF_NEW; |
1392 | /* setup coroutine call */ |
1719 | /* setup coroutine call */ |
1393 | coro_setup (aTHX_ next); |
1720 | init_perl (aTHX_ next); |
1394 | } |
1721 | } |
1395 | else |
1722 | else |
1396 | load_perl (aTHX_ next); |
1723 | load_perl (aTHX_ next); |
1397 | |
1724 | |
1398 | assert (!prev->cctx);//D temporary |
|
|
1399 | |
|
|
1400 | /* possibly untie and reuse the cctx */ |
1725 | /* possibly untie and reuse the cctx */ |
1401 | if (expect_true ( |
1726 | if (ecb_expect_true ( |
1402 | cctx_current->idle_sp == STACKLEVEL |
1727 | cctx_current->idle_sp == STACKLEVEL |
1403 | && !(cctx_current->flags & CC_TRACE) |
1728 | && !(cctx_current->flags & CC_TRACE) |
1404 | && !force_cctx |
1729 | && !force_cctx |
1405 | )) |
1730 | )) |
1406 | { |
1731 | { |
1407 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1732 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1408 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1733 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1409 | |
1734 | |
1410 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1735 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1411 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1736 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1412 | if (expect_false (CCTX_EXPIRED (cctx_current))) |
1737 | if (ecb_expect_false (CCTX_EXPIRED (cctx_current))) |
1413 | if (expect_true (!next->cctx)) |
1738 | if (ecb_expect_true (!next->cctx)) |
1414 | next->cctx = cctx_get (aTHX); |
1739 | next->cctx = cctx_get (aTHX); |
1415 | |
1740 | |
1416 | cctx_put (cctx_current); |
1741 | cctx_put (cctx_current); |
1417 | } |
1742 | } |
1418 | else |
1743 | else |
1419 | prev->cctx = cctx_current; |
1744 | prev->cctx = cctx_current; |
1420 | |
1745 | |
1421 | ++next->usecount; |
1746 | ++next->usecount; |
1422 | |
1747 | |
1423 | cctx_prev = cctx_current; |
1748 | cctx_prev = cctx_current; |
1424 | cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1749 | cctx_current = ecb_expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1425 | |
1750 | |
1426 | next->cctx = 0; |
1751 | next->cctx = 0; |
1427 | |
1752 | |
1428 | if (expect_false (cctx_prev != cctx_current)) |
1753 | if (ecb_expect_false (cctx_prev != cctx_current)) |
1429 | { |
1754 | { |
1430 | cctx_prev->top_env = PL_top_env; |
1755 | cctx_prev->top_env = PL_top_env; |
1431 | PL_top_env = cctx_current->top_env; |
1756 | PL_top_env = cctx_current->top_env; |
1432 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1757 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1433 | } |
1758 | } |
… | |
… | |
1439 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1764 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1440 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1765 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1441 | |
1766 | |
1442 | /** high level stuff ********************************************************/ |
1767 | /** high level stuff ********************************************************/ |
1443 | |
1768 | |
|
|
1769 | /* this function is actually Coro, not Coro::State, but we call it from here */ |
|
|
1770 | /* because it is convenient - but it hasn't been declared yet for that reason */ |
1444 | static int |
1771 | static void |
|
|
1772 | coro_call_on_destroy (pTHX_ struct coro *coro); |
|
|
1773 | |
|
|
1774 | static void |
1445 | coro_state_destroy (pTHX_ struct coro *coro) |
1775 | coro_state_destroy (pTHX_ struct coro *coro) |
1446 | { |
1776 | { |
1447 | if (coro->flags & CF_DESTROYED) |
1777 | if (coro->flags & CF_ZOMBIE) |
1448 | return 0; |
1778 | return; |
1449 | |
1779 | |
1450 | if (coro->on_destroy) |
|
|
1451 | coro->on_destroy (aTHX_ coro); |
1780 | slf_destroy (aTHX_ coro); |
1452 | |
1781 | |
1453 | coro->flags |= CF_DESTROYED; |
1782 | coro->flags |= CF_ZOMBIE; |
1454 | |
1783 | |
1455 | if (coro->flags & CF_READY) |
1784 | if (coro->flags & CF_READY) |
1456 | { |
1785 | { |
1457 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1786 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1458 | /* alternative: look through all ready queues and remove the coro */ |
1787 | /* alternative: look through all ready queues and remove the coro */ |
1459 | --coro_nready; |
1788 | --coro_nready; |
1460 | } |
1789 | } |
1461 | else |
1790 | else |
1462 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
1791 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
1463 | |
1792 | |
1464 | if (coro->mainstack && coro->mainstack != main_mainstack) |
1793 | if (coro->next) coro->next->prev = coro->prev; |
1465 | { |
1794 | if (coro->prev) coro->prev->next = coro->next; |
1466 | struct coro temp; |
1795 | if (coro == coro_first) coro_first = coro->next; |
1467 | |
1796 | |
1468 | assert (("FATAL: tried to destroy currently running coroutine (please report)", !(coro->flags & CF_RUNNING))); |
1797 | if (coro->mainstack |
1469 | |
1798 | && coro->mainstack != main_mainstack |
1470 | save_perl (aTHX_ &temp); |
1799 | && coro->slot |
|
|
1800 | && !PL_dirty) |
1471 | load_perl (aTHX_ coro); |
1801 | destroy_perl (aTHX_ coro); |
1472 | |
|
|
1473 | coro_destruct (aTHX_ coro); |
|
|
1474 | |
|
|
1475 | load_perl (aTHX_ &temp); |
|
|
1476 | |
|
|
1477 | coro->slot = 0; |
|
|
1478 | } |
|
|
1479 | |
1802 | |
1480 | cctx_destroy (coro->cctx); |
1803 | cctx_destroy (coro->cctx); |
1481 | SvREFCNT_dec (coro->startcv); |
1804 | SvREFCNT_dec (coro->startcv); |
1482 | SvREFCNT_dec (coro->args); |
1805 | SvREFCNT_dec (coro->args); |
|
|
1806 | SvREFCNT_dec (coro->swap_sv); |
1483 | SvREFCNT_dec (CORO_THROW); |
1807 | SvREFCNT_dec (CORO_THROW); |
1484 | |
1808 | |
1485 | if (coro->next) coro->next->prev = coro->prev; |
1809 | coro_call_on_destroy (aTHX_ coro); |
1486 | if (coro->prev) coro->prev->next = coro->next; |
|
|
1487 | if (coro == coro_first) coro_first = coro->next; |
|
|
1488 | |
1810 | |
1489 | return 1; |
1811 | /* more destruction mayhem in coro_state_free */ |
1490 | } |
1812 | } |
1491 | |
1813 | |
1492 | static int |
1814 | static int |
1493 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1815 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1494 | { |
1816 | { |
1495 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1817 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1496 | mg->mg_ptr = 0; |
1818 | mg->mg_ptr = 0; |
1497 | |
1819 | |
1498 | coro->hv = 0; |
|
|
1499 | |
|
|
1500 | if (--coro->refcnt < 0) |
|
|
1501 | { |
|
|
1502 | coro_state_destroy (aTHX_ coro); |
1820 | coro_state_destroy (aTHX_ coro); |
|
|
1821 | SvREFCNT_dec (coro->on_destroy); |
|
|
1822 | SvREFCNT_dec (coro->status); |
|
|
1823 | |
1503 | Safefree (coro); |
1824 | Safefree (coro); |
1504 | } |
|
|
1505 | |
1825 | |
1506 | return 0; |
1826 | return 0; |
1507 | } |
1827 | } |
1508 | |
1828 | |
1509 | static int |
1829 | static int ecb_cold |
1510 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1830 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1511 | { |
1831 | { |
1512 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1832 | /* called when perl clones the current process the slow way (windows process emulation) */ |
1513 | |
1833 | /* WE SIMply nuke the pointers in the copy, causing perl to croak */ |
1514 | ++coro->refcnt; |
1834 | mg->mg_ptr = 0; |
|
|
1835 | mg->mg_virtual = 0; |
1515 | |
1836 | |
1516 | return 0; |
1837 | return 0; |
1517 | } |
1838 | } |
1518 | |
1839 | |
1519 | static MGVTBL coro_state_vtbl = { |
1840 | static MGVTBL coro_state_vtbl = { |
… | |
… | |
1542 | |
1863 | |
1543 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1864 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1544 | TRANSFER (ta, 1); |
1865 | TRANSFER (ta, 1); |
1545 | } |
1866 | } |
1546 | |
1867 | |
1547 | /*****************************************************************************/ |
|
|
1548 | /* gensub: simple closure generation utility */ |
|
|
1549 | |
|
|
1550 | #define GENSUB_ARG CvXSUBANY (cv).any_ptr |
|
|
1551 | |
|
|
1552 | /* create a closure from XS, returns a code reference */ |
|
|
1553 | /* the arg can be accessed via GENSUB_ARG from the callback */ |
|
|
1554 | /* the callback must use dXSARGS/XSRETURN */ |
|
|
1555 | static SV * |
|
|
1556 | gensub (pTHX_ void (*xsub)(pTHX_ CV *), void *arg) |
|
|
1557 | { |
|
|
1558 | CV *cv = (CV *)newSV (0); |
|
|
1559 | |
|
|
1560 | sv_upgrade ((SV *)cv, SVt_PVCV); |
|
|
1561 | |
|
|
1562 | CvANON_on (cv); |
|
|
1563 | CvISXSUB_on (cv); |
|
|
1564 | CvXSUB (cv) = xsub; |
|
|
1565 | GENSUB_ARG = arg; |
|
|
1566 | |
|
|
1567 | return newRV_noinc ((SV *)cv); |
|
|
1568 | } |
|
|
1569 | |
|
|
1570 | /** Coro ********************************************************************/ |
1868 | /** Coro ********************************************************************/ |
1571 | |
1869 | |
1572 | INLINE void |
1870 | ecb_inline void |
1573 | coro_enq (pTHX_ struct coro *coro) |
1871 | coro_enq (pTHX_ struct coro *coro) |
1574 | { |
1872 | { |
1575 | av_push (coro_ready [coro->prio - PRIO_MIN], SvREFCNT_inc_NN (coro->hv)); |
1873 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1576 | } |
|
|
1577 | |
1874 | |
1578 | INLINE SV * |
1875 | SvREFCNT_inc_NN (coro->hv); |
|
|
1876 | |
|
|
1877 | coro->next_ready = 0; |
|
|
1878 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
|
|
1879 | ready [1] = coro; |
|
|
1880 | } |
|
|
1881 | |
|
|
1882 | ecb_inline struct coro * |
1579 | coro_deq (pTHX) |
1883 | coro_deq (pTHX) |
1580 | { |
1884 | { |
1581 | int prio; |
1885 | int prio; |
1582 | |
1886 | |
1583 | for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; ) |
1887 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
1584 | if (AvFILLp (coro_ready [prio]) >= 0) |
1888 | { |
1585 | return av_shift (coro_ready [prio]); |
1889 | struct coro **ready = coro_ready [prio]; |
|
|
1890 | |
|
|
1891 | if (ready [0]) |
|
|
1892 | { |
|
|
1893 | struct coro *coro = ready [0]; |
|
|
1894 | ready [0] = coro->next_ready; |
|
|
1895 | return coro; |
|
|
1896 | } |
|
|
1897 | } |
1586 | |
1898 | |
1587 | return 0; |
1899 | return 0; |
|
|
1900 | } |
|
|
1901 | |
|
|
1902 | static void |
|
|
1903 | invoke_sv_ready_hook_helper (void) |
|
|
1904 | { |
|
|
1905 | dTHX; |
|
|
1906 | dSP; |
|
|
1907 | |
|
|
1908 | ENTER; |
|
|
1909 | SAVETMPS; |
|
|
1910 | |
|
|
1911 | PUSHMARK (SP); |
|
|
1912 | PUTBACK; |
|
|
1913 | call_sv (coro_readyhook, G_VOID | G_DISCARD); |
|
|
1914 | |
|
|
1915 | FREETMPS; |
|
|
1916 | LEAVE; |
1588 | } |
1917 | } |
1589 | |
1918 | |
1590 | static int |
1919 | static int |
1591 | api_ready (pTHX_ SV *coro_sv) |
1920 | api_ready (pTHX_ SV *coro_sv) |
1592 | { |
1921 | { |
1593 | struct coro *coro; |
|
|
1594 | SV *sv_hook; |
|
|
1595 | void (*xs_hook)(void); |
|
|
1596 | |
|
|
1597 | coro = SvSTATE (coro_sv); |
1922 | struct coro *coro = SvSTATE (coro_sv); |
1598 | |
1923 | |
1599 | if (coro->flags & CF_READY) |
1924 | if (coro->flags & CF_READY) |
1600 | return 0; |
1925 | return 0; |
1601 | |
1926 | |
1602 | coro->flags |= CF_READY; |
1927 | coro->flags |= CF_READY; |
1603 | |
1928 | |
1604 | sv_hook = coro_nready ? 0 : coro_readyhook; |
|
|
1605 | xs_hook = coro_nready ? 0 : coroapi.readyhook; |
|
|
1606 | |
|
|
1607 | coro_enq (aTHX_ coro); |
1929 | coro_enq (aTHX_ coro); |
1608 | ++coro_nready; |
|
|
1609 | |
1930 | |
1610 | if (sv_hook) |
1931 | if (!coro_nready++) |
1611 | { |
1932 | if (coroapi.readyhook) |
1612 | dSP; |
1933 | coroapi.readyhook (); |
1613 | |
|
|
1614 | ENTER; |
|
|
1615 | SAVETMPS; |
|
|
1616 | |
|
|
1617 | PUSHMARK (SP); |
|
|
1618 | PUTBACK; |
|
|
1619 | call_sv (sv_hook, G_VOID | G_DISCARD); |
|
|
1620 | |
|
|
1621 | FREETMPS; |
|
|
1622 | LEAVE; |
|
|
1623 | } |
|
|
1624 | |
|
|
1625 | if (xs_hook) |
|
|
1626 | xs_hook (); |
|
|
1627 | |
1934 | |
1628 | return 1; |
1935 | return 1; |
1629 | } |
1936 | } |
1630 | |
1937 | |
1631 | static int |
1938 | static int |
… | |
… | |
1633 | { |
1940 | { |
1634 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1941 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1635 | } |
1942 | } |
1636 | |
1943 | |
1637 | /* expects to own a reference to next->hv */ |
1944 | /* expects to own a reference to next->hv */ |
1638 | INLINE void |
1945 | ecb_inline void |
1639 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1946 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1640 | { |
1947 | { |
1641 | SV *prev_sv = SvRV (coro_current); |
1948 | SV *prev_sv = SvRV (coro_current); |
1642 | |
1949 | |
1643 | ta->prev = SvSTATE_hv (prev_sv); |
1950 | ta->prev = SvSTATE_hv (prev_sv); |
… | |
… | |
1654 | static void |
1961 | static void |
1655 | prepare_schedule (pTHX_ struct coro_transfer_args *ta) |
1962 | prepare_schedule (pTHX_ struct coro_transfer_args *ta) |
1656 | { |
1963 | { |
1657 | for (;;) |
1964 | for (;;) |
1658 | { |
1965 | { |
1659 | SV *next_sv = coro_deq (aTHX); |
1966 | struct coro *next = coro_deq (aTHX); |
1660 | |
1967 | |
1661 | if (expect_true (next_sv)) |
1968 | if (ecb_expect_true (next)) |
1662 | { |
1969 | { |
1663 | struct coro *next = SvSTATE_hv (next_sv); |
|
|
1664 | |
|
|
1665 | /* cannot transfer to destroyed coros, skip and look for next */ |
1970 | /* cannot transfer to destroyed coros, skip and look for next */ |
1666 | if (expect_false (next->flags & CF_DESTROYED)) |
1971 | if (ecb_expect_false (next->flags & (CF_ZOMBIE | CF_SUSPENDED))) |
1667 | SvREFCNT_dec (next_sv); /* coro_nready has already been taken care of by destroy */ |
1972 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
1668 | else |
1973 | else |
1669 | { |
1974 | { |
1670 | next->flags &= ~CF_READY; |
1975 | next->flags &= ~CF_READY; |
1671 | --coro_nready; |
1976 | --coro_nready; |
1672 | |
1977 | |
… | |
… | |
1678 | { |
1983 | { |
1679 | /* nothing to schedule: call the idle handler */ |
1984 | /* nothing to schedule: call the idle handler */ |
1680 | if (SvROK (sv_idle) |
1985 | if (SvROK (sv_idle) |
1681 | && SvOBJECT (SvRV (sv_idle))) |
1986 | && SvOBJECT (SvRV (sv_idle))) |
1682 | { |
1987 | { |
|
|
1988 | if (SvRV (sv_idle) == SvRV (coro_current)) |
|
|
1989 | { |
|
|
1990 | require_pv ("Carp"); |
|
|
1991 | |
|
|
1992 | { |
|
|
1993 | dSP; |
|
|
1994 | |
|
|
1995 | ENTER; |
|
|
1996 | SAVETMPS; |
|
|
1997 | |
|
|
1998 | PUSHMARK (SP); |
|
|
1999 | XPUSHs (sv_2mortal (newSVpv ("FATAL: $Coro::idle blocked itself - did you try to block inside an event loop callback? Caught", 0))); |
|
|
2000 | PUTBACK; |
|
|
2001 | call_pv ("Carp::confess", G_VOID | G_DISCARD); |
|
|
2002 | |
|
|
2003 | FREETMPS; |
|
|
2004 | LEAVE; |
|
|
2005 | } |
|
|
2006 | } |
|
|
2007 | |
1683 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
2008 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
1684 | api_ready (aTHX_ SvRV (sv_idle)); |
2009 | api_ready (aTHX_ SvRV (sv_idle)); |
1685 | --coro_nready; |
2010 | --coro_nready; |
1686 | } |
2011 | } |
1687 | else |
2012 | else |
1688 | { |
2013 | { |
|
|
2014 | /* TODO: deprecated, remove, cannot work reliably *//*D*/ |
1689 | dSP; |
2015 | dSP; |
1690 | |
2016 | |
1691 | ENTER; |
2017 | ENTER; |
1692 | SAVETMPS; |
2018 | SAVETMPS; |
1693 | |
2019 | |
… | |
… | |
1700 | } |
2026 | } |
1701 | } |
2027 | } |
1702 | } |
2028 | } |
1703 | } |
2029 | } |
1704 | |
2030 | |
1705 | INLINE void |
2031 | ecb_inline void |
1706 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
2032 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1707 | { |
2033 | { |
1708 | api_ready (aTHX_ coro_current); |
2034 | api_ready (aTHX_ coro_current); |
1709 | prepare_schedule (aTHX_ ta); |
2035 | prepare_schedule (aTHX_ ta); |
1710 | } |
2036 | } |
1711 | |
2037 | |
1712 | INLINE void |
2038 | ecb_inline void |
1713 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
2039 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
1714 | { |
2040 | { |
1715 | SV *prev = SvRV (coro_current); |
2041 | SV *prev = SvRV (coro_current); |
1716 | |
2042 | |
1717 | if (coro_nready) |
2043 | if (coro_nready) |
… | |
… | |
1747 | { |
2073 | { |
1748 | struct coro_transfer_args ta; |
2074 | struct coro_transfer_args ta; |
1749 | |
2075 | |
1750 | prepare_cede (aTHX_ &ta); |
2076 | prepare_cede (aTHX_ &ta); |
1751 | |
2077 | |
1752 | if (expect_true (ta.prev != ta.next)) |
2078 | if (ecb_expect_true (ta.prev != ta.next)) |
1753 | { |
2079 | { |
1754 | TRANSFER (ta, 1); |
2080 | TRANSFER (ta, 1); |
1755 | return 1; |
2081 | return 1; |
1756 | } |
2082 | } |
1757 | else |
2083 | else |
… | |
… | |
1800 | coro->slot->runops = RUNOPS_DEFAULT; |
2126 | coro->slot->runops = RUNOPS_DEFAULT; |
1801 | } |
2127 | } |
1802 | } |
2128 | } |
1803 | |
2129 | |
1804 | static void |
2130 | static void |
|
|
2131 | coro_push_av (pTHX_ AV *av, I32 gimme_v) |
|
|
2132 | { |
|
|
2133 | if (AvFILLp (av) >= 0 && gimme_v != G_VOID) |
|
|
2134 | { |
|
|
2135 | dSP; |
|
|
2136 | |
|
|
2137 | if (gimme_v == G_SCALAR) |
|
|
2138 | XPUSHs (AvARRAY (av)[AvFILLp (av)]); |
|
|
2139 | else |
|
|
2140 | { |
|
|
2141 | int i; |
|
|
2142 | EXTEND (SP, AvFILLp (av) + 1); |
|
|
2143 | |
|
|
2144 | for (i = 0; i <= AvFILLp (av); ++i) |
|
|
2145 | PUSHs (AvARRAY (av)[i]); |
|
|
2146 | } |
|
|
2147 | |
|
|
2148 | PUTBACK; |
|
|
2149 | } |
|
|
2150 | } |
|
|
2151 | |
|
|
2152 | static void |
|
|
2153 | coro_push_on_destroy (pTHX_ struct coro *coro, SV *cb) |
|
|
2154 | { |
|
|
2155 | if (!coro->on_destroy) |
|
|
2156 | coro->on_destroy = newAV (); |
|
|
2157 | |
|
|
2158 | av_push (coro->on_destroy, cb); |
|
|
2159 | } |
|
|
2160 | |
|
|
2161 | static void |
|
|
2162 | slf_destroy_join (pTHX_ struct CoroSLF *frame) |
|
|
2163 | { |
|
|
2164 | SvREFCNT_dec ((SV *)((struct coro *)frame->data)->hv); |
|
|
2165 | } |
|
|
2166 | |
|
|
2167 | static int |
|
|
2168 | slf_check_join (pTHX_ struct CoroSLF *frame) |
|
|
2169 | { |
|
|
2170 | struct coro *coro = (struct coro *)frame->data; |
|
|
2171 | |
|
|
2172 | if (!coro->status) |
|
|
2173 | return 1; |
|
|
2174 | |
|
|
2175 | frame->destroy = 0; |
|
|
2176 | |
|
|
2177 | coro_push_av (aTHX_ coro->status, GIMME_V); |
|
|
2178 | |
|
|
2179 | SvREFCNT_dec ((SV *)coro->hv); |
|
|
2180 | |
|
|
2181 | return 0; |
|
|
2182 | } |
|
|
2183 | |
|
|
2184 | static void |
|
|
2185 | slf_init_join (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2186 | { |
|
|
2187 | struct coro *coro = SvSTATE (items > 0 ? arg [0] : &PL_sv_undef); |
|
|
2188 | |
|
|
2189 | if (items > 1) |
|
|
2190 | croak ("join called with too many arguments"); |
|
|
2191 | |
|
|
2192 | if (coro->status) |
|
|
2193 | frame->prepare = prepare_nop; |
|
|
2194 | else |
|
|
2195 | { |
|
|
2196 | coro_push_on_destroy (aTHX_ coro, SvREFCNT_inc_NN (SvRV (coro_current))); |
|
|
2197 | frame->prepare = prepare_schedule; |
|
|
2198 | } |
|
|
2199 | |
|
|
2200 | frame->check = slf_check_join; |
|
|
2201 | frame->destroy = slf_destroy_join; |
|
|
2202 | frame->data = (void *)coro; |
|
|
2203 | SvREFCNT_inc (coro->hv); |
|
|
2204 | } |
|
|
2205 | |
|
|
2206 | static void |
1805 | coro_call_on_destroy (pTHX_ struct coro *coro) |
2207 | coro_call_on_destroy (pTHX_ struct coro *coro) |
1806 | { |
2208 | { |
1807 | SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0); |
2209 | AV *od = coro->on_destroy; |
1808 | SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0); |
|
|
1809 | |
2210 | |
1810 | if (on_destroyp) |
2211 | if (!od) |
1811 | { |
2212 | return; |
1812 | AV *on_destroy = (AV *)SvRV (*on_destroyp); |
|
|
1813 | |
2213 | |
|
|
2214 | coro->on_destroy = 0; |
|
|
2215 | sv_2mortal ((SV *)od); |
|
|
2216 | |
1814 | while (AvFILLp (on_destroy) >= 0) |
2217 | while (AvFILLp (od) >= 0) |
|
|
2218 | { |
|
|
2219 | SV *cb = sv_2mortal (av_pop (od)); |
|
|
2220 | |
|
|
2221 | /* coro hv's (and only hv's at the moment) are supported as well */ |
|
|
2222 | if (SvSTATEhv_p (aTHX_ cb)) |
|
|
2223 | api_ready (aTHX_ cb); |
|
|
2224 | else |
1815 | { |
2225 | { |
1816 | dSP; /* don't disturb outer sp */ |
2226 | dSP; /* don't disturb outer sp */ |
1817 | SV *cb = av_pop (on_destroy); |
|
|
1818 | |
|
|
1819 | PUSHMARK (SP); |
2227 | PUSHMARK (SP); |
1820 | |
2228 | |
1821 | if (statusp) |
2229 | if (coro->status) |
1822 | { |
2230 | { |
1823 | int i; |
2231 | PUTBACK; |
1824 | AV *status = (AV *)SvRV (*statusp); |
2232 | coro_push_av (aTHX_ coro->status, G_ARRAY); |
1825 | EXTEND (SP, AvFILLp (status) + 1); |
2233 | SPAGAIN; |
1826 | |
|
|
1827 | for (i = 0; i <= AvFILLp (status); ++i) |
|
|
1828 | PUSHs (AvARRAY (status)[i]); |
|
|
1829 | } |
2234 | } |
1830 | |
2235 | |
1831 | PUTBACK; |
2236 | PUTBACK; |
1832 | call_sv (sv_2mortal (cb), G_VOID | G_DISCARD); |
2237 | call_sv (cb, G_VOID | G_DISCARD); |
1833 | } |
2238 | } |
1834 | } |
2239 | } |
1835 | } |
2240 | } |
1836 | |
2241 | |
1837 | static void |
2242 | static void |
1838 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2243 | coro_set_status (pTHX_ struct coro *coro, SV **arg, int items) |
1839 | { |
2244 | { |
|
|
2245 | AV *av; |
|
|
2246 | |
|
|
2247 | if (coro->status) |
|
|
2248 | { |
|
|
2249 | av = coro->status; |
|
|
2250 | av_clear (av); |
|
|
2251 | } |
|
|
2252 | else |
|
|
2253 | av = coro->status = newAV (); |
|
|
2254 | |
|
|
2255 | /* items are actually not so common, so optimise for this case */ |
|
|
2256 | if (items) |
|
|
2257 | { |
1840 | int i; |
2258 | int i; |
1841 | HV *hv = (HV *)SvRV (coro_current); |
|
|
1842 | AV *av = newAV (); |
|
|
1843 | |
2259 | |
1844 | av_extend (av, items - 1); |
2260 | av_extend (av, items - 1); |
|
|
2261 | |
1845 | for (i = 0; i < items; ++i) |
2262 | for (i = 0; i < items; ++i) |
1846 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
2263 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
|
|
2264 | } |
|
|
2265 | } |
1847 | |
2266 | |
1848 | hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0); |
2267 | static void |
1849 | |
2268 | slf_init_terminate_cancel_common (pTHX_ struct CoroSLF *frame, HV *coro_hv) |
|
|
2269 | { |
1850 | av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */ |
2270 | av_push (av_destroy, (SV *)newRV_inc ((SV *)coro_hv)); /* RVinc for perl */ |
1851 | api_ready (aTHX_ sv_manager); |
2271 | api_ready (aTHX_ sv_manager); |
1852 | |
2272 | |
1853 | frame->prepare = prepare_schedule; |
2273 | frame->prepare = prepare_schedule; |
1854 | frame->check = slf_check_repeat; |
2274 | frame->check = slf_check_repeat; |
|
|
2275 | |
|
|
2276 | /* as a minor optimisation, we could unwind all stacks here */ |
|
|
2277 | /* but that puts extra pressure on pp_slf, and is not worth much */ |
|
|
2278 | /*coro_unwind_stacks (aTHX);*/ |
|
|
2279 | } |
|
|
2280 | |
|
|
2281 | static void |
|
|
2282 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2283 | { |
|
|
2284 | HV *coro_hv = (HV *)SvRV (coro_current); |
|
|
2285 | |
|
|
2286 | coro_set_status (aTHX_ SvSTATE ((SV *)coro_hv), arg, items); |
|
|
2287 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
|
|
2288 | } |
|
|
2289 | |
|
|
2290 | static void |
|
|
2291 | slf_init_cancel (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2292 | { |
|
|
2293 | HV *coro_hv; |
|
|
2294 | struct coro *coro; |
|
|
2295 | |
|
|
2296 | if (items <= 0) |
|
|
2297 | croak ("Coro::cancel called without coro object,"); |
|
|
2298 | |
|
|
2299 | coro = SvSTATE (arg [0]); |
|
|
2300 | coro_hv = coro->hv; |
|
|
2301 | |
|
|
2302 | coro_set_status (aTHX_ coro, arg + 1, items - 1); |
|
|
2303 | |
|
|
2304 | if (ecb_expect_false (coro->flags & CF_NOCANCEL)) |
|
|
2305 | { |
|
|
2306 | /* coro currently busy cancelling something, so just notify it */ |
|
|
2307 | coro->slf_frame.data = (void *)coro; |
|
|
2308 | |
|
|
2309 | frame->prepare = prepare_nop; |
|
|
2310 | frame->check = slf_check_nop; |
|
|
2311 | } |
|
|
2312 | else if (coro_hv == (HV *)SvRV (coro_current)) |
|
|
2313 | { |
|
|
2314 | /* cancelling the current coro is allowed, and equals terminate */ |
|
|
2315 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
|
|
2316 | } |
|
|
2317 | else |
|
|
2318 | { |
|
|
2319 | struct coro *self = SvSTATE_current; |
|
|
2320 | |
|
|
2321 | if (!self) |
|
|
2322 | croak ("Coro::cancel called outside of thread content,"); |
|
|
2323 | |
|
|
2324 | /* otherwise we cancel directly, purely for speed reasons |
|
|
2325 | * unfortunately, this requires some magic trickery, as |
|
|
2326 | * somebody else could cancel us, so we have to fight the cancellation. |
|
|
2327 | * this is ugly, and hopefully fully worth the extra speed. |
|
|
2328 | * besides, I can't get the slow-but-safe version working... |
|
|
2329 | */ |
|
|
2330 | slf_frame.data = 0; |
|
|
2331 | self->flags |= CF_NOCANCEL; |
|
|
2332 | coro_state_destroy (aTHX_ coro); |
|
|
2333 | self->flags &= ~CF_NOCANCEL; |
|
|
2334 | |
|
|
2335 | if (slf_frame.data) |
|
|
2336 | { |
|
|
2337 | /* while we were busy we have been cancelled, so terminate */ |
|
|
2338 | slf_init_terminate_cancel_common (aTHX_ frame, self->hv); |
|
|
2339 | } |
|
|
2340 | else |
|
|
2341 | { |
|
|
2342 | frame->prepare = prepare_nop; |
|
|
2343 | frame->check = slf_check_nop; |
|
|
2344 | } |
|
|
2345 | } |
|
|
2346 | } |
|
|
2347 | |
|
|
2348 | static int |
|
|
2349 | slf_check_safe_cancel (pTHX_ struct CoroSLF *frame) |
|
|
2350 | { |
|
|
2351 | frame->prepare = 0; |
|
|
2352 | coro_unwind_stacks (aTHX); |
|
|
2353 | |
|
|
2354 | slf_init_terminate_cancel_common (aTHX_ frame, (HV *)SvRV (coro_current)); |
|
|
2355 | |
|
|
2356 | return 1; |
|
|
2357 | } |
|
|
2358 | |
|
|
2359 | static int |
|
|
2360 | safe_cancel (pTHX_ struct coro *coro, SV **arg, int items) |
|
|
2361 | { |
|
|
2362 | if (coro->cctx) |
|
|
2363 | croak ("coro inside C callback, unable to cancel at this time, caught"); |
|
|
2364 | |
|
|
2365 | if (coro->flags & CF_NEW) |
|
|
2366 | { |
|
|
2367 | coro_set_status (aTHX_ coro, arg, items); |
|
|
2368 | coro_state_destroy (aTHX_ coro); |
|
|
2369 | } |
|
|
2370 | else |
|
|
2371 | { |
|
|
2372 | if (!coro->slf_frame.prepare) |
|
|
2373 | croak ("coro outside an SLF function, unable to cancel at this time, caught"); |
|
|
2374 | |
|
|
2375 | slf_destroy (aTHX_ coro); |
|
|
2376 | |
|
|
2377 | coro_set_status (aTHX_ coro, arg, items); |
|
|
2378 | coro->slf_frame.prepare = prepare_nop; |
|
|
2379 | coro->slf_frame.check = slf_check_safe_cancel; |
|
|
2380 | |
|
|
2381 | api_ready (aTHX_ (SV *)coro->hv); |
|
|
2382 | } |
|
|
2383 | |
|
|
2384 | return 1; |
1855 | } |
2385 | } |
1856 | |
2386 | |
1857 | /*****************************************************************************/ |
2387 | /*****************************************************************************/ |
1858 | /* async pool handler */ |
2388 | /* async pool handler */ |
1859 | |
2389 | |
… | |
… | |
1890 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2420 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
1891 | { |
2421 | { |
1892 | HV *hv = (HV *)SvRV (coro_current); |
2422 | HV *hv = (HV *)SvRV (coro_current); |
1893 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
2423 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
1894 | |
2424 | |
1895 | if (expect_true (coro->saved_deffh)) |
2425 | if (ecb_expect_true (coro->saved_deffh)) |
1896 | { |
2426 | { |
1897 | /* subsequent iteration */ |
2427 | /* subsequent iteration */ |
1898 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
2428 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
1899 | coro->saved_deffh = 0; |
2429 | coro->saved_deffh = 0; |
1900 | |
2430 | |
1901 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
2431 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
1902 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
2432 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
1903 | { |
2433 | { |
1904 | coro->invoke_cb = SvREFCNT_inc_NN ((SV *)cv_coro_terminate); |
2434 | slf_init_terminate_cancel_common (aTHX_ frame, hv); |
1905 | coro->invoke_av = newAV (); |
2435 | return; |
1906 | |
|
|
1907 | frame->prepare = prepare_nop; |
|
|
1908 | } |
2436 | } |
1909 | else |
2437 | else |
1910 | { |
2438 | { |
1911 | av_clear (GvAV (PL_defgv)); |
2439 | av_clear (GvAV (PL_defgv)); |
1912 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
2440 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
1913 | |
2441 | |
|
|
2442 | if (ecb_expect_false (coro->swap_sv)) |
|
|
2443 | { |
|
|
2444 | swap_svs_leave (coro); |
|
|
2445 | SvREFCNT_dec_NN (coro->swap_sv); |
|
|
2446 | coro->swap_sv = 0; |
|
|
2447 | } |
|
|
2448 | |
1914 | coro->prio = 0; |
2449 | coro->prio = 0; |
1915 | |
2450 | |
1916 | if (coro->cctx && (coro->cctx->flags & CC_TRACE)) |
2451 | if (ecb_expect_false (coro->cctx) && ecb_expect_false (coro->cctx->flags & CC_TRACE)) |
1917 | api_trace (aTHX_ coro_current, 0); |
2452 | api_trace (aTHX_ coro_current, 0); |
1918 | |
2453 | |
1919 | frame->prepare = prepare_schedule; |
2454 | frame->prepare = prepare_schedule; |
1920 | av_push (av_async_pool, SvREFCNT_inc (hv)); |
2455 | av_push (av_async_pool, SvREFCNT_inc (hv)); |
1921 | } |
2456 | } |
… | |
… | |
1937 | |
2472 | |
1938 | static void |
2473 | static void |
1939 | coro_rouse_callback (pTHX_ CV *cv) |
2474 | coro_rouse_callback (pTHX_ CV *cv) |
1940 | { |
2475 | { |
1941 | dXSARGS; |
2476 | dXSARGS; |
1942 | SV *data = (SV *)GENSUB_ARG; |
2477 | SV *data = (SV *)S_GENSUB_ARG; |
1943 | |
2478 | |
1944 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2479 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
1945 | { |
2480 | { |
1946 | /* first call, set args */ |
2481 | /* first call, set args */ |
|
|
2482 | SV *coro = SvRV (data); |
1947 | AV *av = newAV (); |
2483 | AV *av = newAV (); |
1948 | SV *coro = SvRV (data); |
|
|
1949 | |
2484 | |
1950 | SvRV_set (data, (SV *)av); |
2485 | SvRV_set (data, (SV *)av); |
1951 | api_ready (aTHX_ coro); |
|
|
1952 | SvREFCNT_dec (coro); |
|
|
1953 | |
2486 | |
1954 | /* better take a full copy of the arguments */ |
2487 | /* better take a full copy of the arguments */ |
1955 | while (items--) |
2488 | while (items--) |
1956 | av_store (av, items, newSVsv (ST (items))); |
2489 | av_store (av, items, newSVsv (ST (items))); |
|
|
2490 | |
|
|
2491 | api_ready (aTHX_ coro); |
|
|
2492 | SvREFCNT_dec (coro); |
1957 | } |
2493 | } |
1958 | |
2494 | |
1959 | XSRETURN_EMPTY; |
2495 | XSRETURN_EMPTY; |
1960 | } |
2496 | } |
1961 | |
2497 | |
1962 | static int |
2498 | static int |
1963 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
2499 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
1964 | { |
2500 | { |
1965 | SV *data = (SV *)frame->data; |
2501 | SV *data = (SV *)frame->data; |
1966 | |
2502 | |
1967 | if (CORO_THROW) |
2503 | if (CORO_THROW) |
1968 | return 0; |
2504 | return 0; |
1969 | |
2505 | |
1970 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2506 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
1971 | return 1; |
2507 | return 1; |
… | |
… | |
1978 | |
2514 | |
1979 | EXTEND (SP, AvFILLp (av) + 1); |
2515 | EXTEND (SP, AvFILLp (av) + 1); |
1980 | for (i = 0; i <= AvFILLp (av); ++i) |
2516 | for (i = 0; i <= AvFILLp (av); ++i) |
1981 | PUSHs (sv_2mortal (AvARRAY (av)[i])); |
2517 | PUSHs (sv_2mortal (AvARRAY (av)[i])); |
1982 | |
2518 | |
1983 | /* we have stolen the elements, so ste length to zero and free */ |
2519 | /* we have stolen the elements, so set length to zero and free */ |
1984 | AvFILLp (av) = -1; |
2520 | AvFILLp (av) = -1; |
1985 | av_undef (av); |
2521 | av_undef (av); |
1986 | |
2522 | |
1987 | PUTBACK; |
2523 | PUTBACK; |
1988 | } |
2524 | } |
… | |
… | |
2007 | cb = sv_2mortal (coro->rouse_cb); |
2543 | cb = sv_2mortal (coro->rouse_cb); |
2008 | coro->rouse_cb = 0; |
2544 | coro->rouse_cb = 0; |
2009 | } |
2545 | } |
2010 | |
2546 | |
2011 | if (!SvROK (cb) |
2547 | if (!SvROK (cb) |
2012 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2548 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2013 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2549 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2014 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2550 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2015 | |
2551 | |
2016 | { |
2552 | { |
2017 | CV *cv = (CV *)SvRV (cb); /* for GENSUB_ARG */ |
2553 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
2018 | SV *data = (SV *)GENSUB_ARG; |
2554 | SV *data = (SV *)S_GENSUB_ARG; |
2019 | |
2555 | |
2020 | frame->data = (void *)data; |
2556 | frame->data = (void *)data; |
2021 | frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule; |
2557 | frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule; |
2022 | frame->check = slf_check_rouse_wait; |
2558 | frame->check = slf_check_rouse_wait; |
2023 | } |
2559 | } |
… | |
… | |
2027 | coro_new_rouse_cb (pTHX) |
2563 | coro_new_rouse_cb (pTHX) |
2028 | { |
2564 | { |
2029 | HV *hv = (HV *)SvRV (coro_current); |
2565 | HV *hv = (HV *)SvRV (coro_current); |
2030 | struct coro *coro = SvSTATE_hv (hv); |
2566 | struct coro *coro = SvSTATE_hv (hv); |
2031 | SV *data = newRV_inc ((SV *)hv); |
2567 | SV *data = newRV_inc ((SV *)hv); |
2032 | SV *cb = gensub (aTHX_ coro_rouse_callback, (void *)data); |
2568 | SV *cb = s_gensub (aTHX_ coro_rouse_callback, (void *)data); |
2033 | |
2569 | |
2034 | sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0); |
2570 | sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0); |
2035 | SvREFCNT_dec (data); /* magicext increases the refcount */ |
2571 | SvREFCNT_dec (data); /* magicext increases the refcount */ |
2036 | |
2572 | |
2037 | SvREFCNT_dec (coro->rouse_cb); |
2573 | SvREFCNT_dec (coro->rouse_cb); |
… | |
… | |
2134 | static void |
2670 | static void |
2135 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2671 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2136 | { |
2672 | { |
2137 | frame->prepare = prepare_cede_notself; |
2673 | frame->prepare = prepare_cede_notself; |
2138 | frame->check = slf_check_nop; |
2674 | frame->check = slf_check_nop; |
|
|
2675 | } |
|
|
2676 | |
|
|
2677 | /* "undo"/cancel a running slf call - used when cancelling a coro, mainly */ |
|
|
2678 | static void |
|
|
2679 | slf_destroy (pTHX_ struct coro *coro) |
|
|
2680 | { |
|
|
2681 | struct CoroSLF frame = coro->slf_frame; |
|
|
2682 | |
|
|
2683 | /* |
|
|
2684 | * The on_destroy below most likely is from an SLF call. |
|
|
2685 | * Since by definition the SLF call will not finish when we destroy |
|
|
2686 | * the coro, we will have to force-finish it here, otherwise |
|
|
2687 | * cleanup functions cannot call SLF functions. |
|
|
2688 | */ |
|
|
2689 | coro->slf_frame.prepare = 0; |
|
|
2690 | |
|
|
2691 | /* this callback is reserved for slf functions needing to do cleanup */ |
|
|
2692 | if (frame.destroy && frame.prepare && !PL_dirty) |
|
|
2693 | frame.destroy (aTHX_ &frame); |
2139 | } |
2694 | } |
2140 | |
2695 | |
2141 | /* |
2696 | /* |
2142 | * these not obviously related functions are all rolled into one |
2697 | * these not obviously related functions are all rolled into one |
2143 | * function to increase chances that they all will call transfer with the same |
2698 | * function to increase chances that they all will call transfer with the same |
… | |
… | |
2150 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
2705 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
2151 | |
2706 | |
2152 | /* set up the slf frame, unless it has already been set-up */ |
2707 | /* set up the slf frame, unless it has already been set-up */ |
2153 | /* the latter happens when a new coro has been started */ |
2708 | /* the latter happens when a new coro has been started */ |
2154 | /* or when a new cctx was attached to an existing coroutine */ |
2709 | /* or when a new cctx was attached to an existing coroutine */ |
2155 | if (expect_true (!slf_frame.prepare)) |
2710 | if (ecb_expect_true (!slf_frame.prepare)) |
2156 | { |
2711 | { |
2157 | /* first iteration */ |
2712 | /* first iteration */ |
2158 | dSP; |
2713 | dSP; |
2159 | SV **arg = PL_stack_base + TOPMARK + 1; |
2714 | SV **arg = PL_stack_base + TOPMARK + 1; |
2160 | int items = SP - arg; /* args without function object */ |
2715 | int items = SP - arg; /* args without function object */ |
… | |
… | |
2201 | while (slf_frame.check (aTHX_ &slf_frame)); |
2756 | while (slf_frame.check (aTHX_ &slf_frame)); |
2202 | |
2757 | |
2203 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
2758 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
2204 | |
2759 | |
2205 | /* exception handling */ |
2760 | /* exception handling */ |
2206 | if (expect_false (CORO_THROW)) |
2761 | if (ecb_expect_false (CORO_THROW)) |
2207 | { |
2762 | { |
2208 | SV *exception = sv_2mortal (CORO_THROW); |
2763 | SV *exception = sv_2mortal (CORO_THROW); |
2209 | |
2764 | |
2210 | CORO_THROW = 0; |
2765 | CORO_THROW = 0; |
2211 | sv_setsv (ERRSV, exception); |
2766 | sv_setsv (ERRSV, exception); |
2212 | croak (0); |
2767 | croak (0); |
2213 | } |
2768 | } |
2214 | |
2769 | |
2215 | /* return value handling - mostly like entersub */ |
2770 | /* return value handling - mostly like entersub */ |
2216 | /* make sure we put something on the stack in scalar context */ |
2771 | /* make sure we put something on the stack in scalar context */ |
2217 | if (GIMME_V == G_SCALAR) |
2772 | if (GIMME_V == G_SCALAR |
|
|
2773 | && ecb_expect_false (PL_stack_sp != PL_stack_base + checkmark + 1)) |
2218 | { |
2774 | { |
2219 | dSP; |
2775 | dSP; |
2220 | SV **bot = PL_stack_base + checkmark; |
2776 | SV **bot = PL_stack_base + checkmark; |
2221 | |
2777 | |
2222 | if (sp == bot) /* too few, push undef */ |
2778 | if (sp == bot) /* too few, push undef */ |
2223 | bot [1] = &PL_sv_undef; |
2779 | bot [1] = &PL_sv_undef; |
2224 | else if (sp != bot + 1) /* too many, take last one */ |
2780 | else /* too many, take last one */ |
2225 | bot [1] = *sp; |
2781 | bot [1] = *sp; |
2226 | |
2782 | |
2227 | SP = bot + 1; |
2783 | SP = bot + 1; |
2228 | |
2784 | |
2229 | PUTBACK; |
2785 | PUTBACK; |
… | |
… | |
2262 | if (PL_op->op_flags & OPf_STACKED) |
2818 | if (PL_op->op_flags & OPf_STACKED) |
2263 | { |
2819 | { |
2264 | if (items > slf_arga) |
2820 | if (items > slf_arga) |
2265 | { |
2821 | { |
2266 | slf_arga = items; |
2822 | slf_arga = items; |
2267 | free (slf_argv); |
2823 | Safefree (slf_argv); |
2268 | slf_argv = malloc (slf_arga * sizeof (SV *)); |
2824 | New (0, slf_argv, slf_arga, SV *); |
2269 | } |
2825 | } |
2270 | |
2826 | |
2271 | slf_argc = items; |
2827 | slf_argc = items; |
2272 | |
2828 | |
2273 | for (i = 0; i < items; ++i) |
2829 | for (i = 0; i < items; ++i) |
… | |
… | |
2278 | |
2834 | |
2279 | PL_op->op_ppaddr = pp_slf; |
2835 | PL_op->op_ppaddr = pp_slf; |
2280 | /*PL_op->op_type = OP_CUSTOM; /* we do behave like entersub still */ |
2836 | /*PL_op->op_type = OP_CUSTOM; /* we do behave like entersub still */ |
2281 | |
2837 | |
2282 | PL_op = (OP *)&slf_restore; |
2838 | PL_op = (OP *)&slf_restore; |
|
|
2839 | } |
|
|
2840 | |
|
|
2841 | /*****************************************************************************/ |
|
|
2842 | /* dynamic wind */ |
|
|
2843 | |
|
|
2844 | static void |
|
|
2845 | on_enterleave_call (pTHX_ SV *cb) |
|
|
2846 | { |
|
|
2847 | dSP; |
|
|
2848 | |
|
|
2849 | PUSHSTACK; |
|
|
2850 | |
|
|
2851 | PUSHMARK (SP); |
|
|
2852 | PUTBACK; |
|
|
2853 | call_sv (cb, G_VOID | G_DISCARD); |
|
|
2854 | SPAGAIN; |
|
|
2855 | |
|
|
2856 | POPSTACK; |
|
|
2857 | } |
|
|
2858 | |
|
|
2859 | static SV * |
|
|
2860 | coro_avp_pop_and_free (pTHX_ AV **avp) |
|
|
2861 | { |
|
|
2862 | AV *av = *avp; |
|
|
2863 | SV *res = av_pop (av); |
|
|
2864 | |
|
|
2865 | if (AvFILLp (av) < 0) |
|
|
2866 | { |
|
|
2867 | *avp = 0; |
|
|
2868 | SvREFCNT_dec (av); |
|
|
2869 | } |
|
|
2870 | |
|
|
2871 | return res; |
|
|
2872 | } |
|
|
2873 | |
|
|
2874 | static void |
|
|
2875 | coro_pop_on_enter (pTHX_ void *coro) |
|
|
2876 | { |
|
|
2877 | SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_enter); |
|
|
2878 | SvREFCNT_dec (cb); |
|
|
2879 | } |
|
|
2880 | |
|
|
2881 | static void |
|
|
2882 | coro_pop_on_leave (pTHX_ void *coro) |
|
|
2883 | { |
|
|
2884 | SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_leave); |
|
|
2885 | on_enterleave_call (aTHX_ sv_2mortal (cb)); |
|
|
2886 | } |
|
|
2887 | |
|
|
2888 | static void |
|
|
2889 | enterleave_hook_xs (pTHX_ struct coro *coro, AV **avp, coro_enterleave_hook hook, void *arg) |
|
|
2890 | { |
|
|
2891 | if (!hook) |
|
|
2892 | return; |
|
|
2893 | |
|
|
2894 | if (!*avp) |
|
|
2895 | { |
|
|
2896 | *avp = newAV (); |
|
|
2897 | AvREAL_off (*avp); |
|
|
2898 | } |
|
|
2899 | |
|
|
2900 | av_push (*avp, (SV *)hook); |
|
|
2901 | av_push (*avp, (SV *)arg); |
|
|
2902 | } |
|
|
2903 | |
|
|
2904 | static void |
|
|
2905 | enterleave_unhook_xs (pTHX_ struct coro *coro, AV **avp, coro_enterleave_hook hook, int execute) |
|
|
2906 | { |
|
|
2907 | AV *av = *avp; |
|
|
2908 | int i; |
|
|
2909 | |
|
|
2910 | if (!av) |
|
|
2911 | return; |
|
|
2912 | |
|
|
2913 | for (i = AvFILLp (av) - 1; i >= 0; i -= 2) |
|
|
2914 | if (AvARRAY (av)[i] == (SV *)hook) |
|
|
2915 | { |
|
|
2916 | if (execute) |
|
|
2917 | hook (aTHX_ (void *)AvARRAY (av)[i + 1]); |
|
|
2918 | |
|
|
2919 | memmove (AvARRAY (av) + i, AvARRAY (av) + i + 2, AvFILLp (av) - i - 1); |
|
|
2920 | av_pop (av); |
|
|
2921 | av_pop (av); |
|
|
2922 | break; |
|
|
2923 | } |
|
|
2924 | |
|
|
2925 | if (AvFILLp (av) >= 0) |
|
|
2926 | { |
|
|
2927 | *avp = 0; |
|
|
2928 | SvREFCNT_dec_NN (av); |
|
|
2929 | } |
|
|
2930 | } |
|
|
2931 | |
|
|
2932 | static void |
|
|
2933 | api_enterleave_hook (pTHX_ SV *coro_sv, coro_enterleave_hook enter, void *enter_arg, coro_enterleave_hook leave, void *leave_arg) |
|
|
2934 | { |
|
|
2935 | struct coro *coro = SvSTATE (coro_sv); |
|
|
2936 | |
|
|
2937 | if (SvSTATE_current == coro) |
|
|
2938 | if (enter) |
|
|
2939 | enter (aTHX_ enter_arg); |
|
|
2940 | |
|
|
2941 | enterleave_hook_xs (aTHX_ coro, &coro->on_enter_xs, enter, enter_arg); |
|
|
2942 | enterleave_hook_xs (aTHX_ coro, &coro->on_leave_xs, leave, leave_arg); |
|
|
2943 | } |
|
|
2944 | |
|
|
2945 | static void |
|
|
2946 | api_enterleave_unhook (pTHX_ SV *coro_sv, coro_enterleave_hook enter, coro_enterleave_hook leave) |
|
|
2947 | { |
|
|
2948 | struct coro *coro = SvSTATE (coro_sv); |
|
|
2949 | |
|
|
2950 | enterleave_unhook_xs (aTHX_ coro, &coro->on_enter_xs, enter, 0); |
|
|
2951 | enterleave_unhook_xs (aTHX_ coro, &coro->on_leave_xs, leave, SvSTATE_current == coro); |
|
|
2952 | } |
|
|
2953 | |
|
|
2954 | static void |
|
|
2955 | savedestructor_unhook_enter (pTHX_ coro_enterleave_hook enter) |
|
|
2956 | { |
|
|
2957 | struct coro *coro = SvSTATE_current; |
|
|
2958 | |
|
|
2959 | enterleave_unhook_xs (aTHX_ coro, &coro->on_enter_xs, enter, 0); |
|
|
2960 | } |
|
|
2961 | |
|
|
2962 | static void |
|
|
2963 | savedestructor_unhook_leave (pTHX_ coro_enterleave_hook leave) |
|
|
2964 | { |
|
|
2965 | struct coro *coro = SvSTATE_current; |
|
|
2966 | |
|
|
2967 | enterleave_unhook_xs (aTHX_ coro, &coro->on_leave_xs, leave, 1); |
|
|
2968 | } |
|
|
2969 | |
|
|
2970 | static void |
|
|
2971 | api_enterleave_scope_hook (pTHX_ coro_enterleave_hook enter, void *enter_arg, coro_enterleave_hook leave, void *leave_arg) |
|
|
2972 | { |
|
|
2973 | api_enterleave_hook (aTHX_ coro_current, enter, enter_arg, leave, leave_arg); |
|
|
2974 | |
|
|
2975 | /* this ought to be much cheaper than malloc + a single destructor call */ |
|
|
2976 | if (enter) SAVEDESTRUCTOR_X (savedestructor_unhook_enter, enter); |
|
|
2977 | if (leave) SAVEDESTRUCTOR_X (savedestructor_unhook_leave, leave); |
2283 | } |
2978 | } |
2284 | |
2979 | |
2285 | /*****************************************************************************/ |
2980 | /*****************************************************************************/ |
2286 | /* PerlIO::cede */ |
2981 | /* PerlIO::cede */ |
2287 | |
2982 | |
… | |
… | |
2289 | { |
2984 | { |
2290 | PerlIOBuf base; |
2985 | PerlIOBuf base; |
2291 | NV next, every; |
2986 | NV next, every; |
2292 | } PerlIOCede; |
2987 | } PerlIOCede; |
2293 | |
2988 | |
2294 | static IV |
2989 | static IV ecb_cold |
2295 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
2990 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
2296 | { |
2991 | { |
2297 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2992 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2298 | |
2993 | |
2299 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
2994 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
2300 | self->next = nvtime () + self->every; |
2995 | self->next = nvtime () + self->every; |
2301 | |
2996 | |
2302 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
2997 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
2303 | } |
2998 | } |
2304 | |
2999 | |
2305 | static SV * |
3000 | static SV * ecb_cold |
2306 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
3001 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
2307 | { |
3002 | { |
2308 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
3003 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2309 | |
3004 | |
2310 | return newSVnv (self->every); |
3005 | return newSVnv (self->every); |
… | |
… | |
2361 | /* Coro::Semaphore & Coro::Signal */ |
3056 | /* Coro::Semaphore & Coro::Signal */ |
2362 | |
3057 | |
2363 | static SV * |
3058 | static SV * |
2364 | coro_waitarray_new (pTHX_ int count) |
3059 | coro_waitarray_new (pTHX_ int count) |
2365 | { |
3060 | { |
2366 | /* a semaphore contains a counter IV in $sem->[0] and any waiters after that */ |
3061 | /* a waitarray=semaphore contains a counter IV in $sem->[0] and any waiters after that */ |
2367 | AV *av = newAV (); |
3062 | AV *av = newAV (); |
2368 | SV **ary; |
3063 | SV **ary; |
2369 | |
3064 | |
2370 | /* unfortunately, building manually saves memory */ |
3065 | /* unfortunately, building manually saves memory */ |
2371 | Newx (ary, 2, SV *); |
3066 | Newx (ary, 2, SV *); |
… | |
… | |
2417 | XPUSHs (sv_2mortal (newRV_inc ((SV *)av))); |
3112 | XPUSHs (sv_2mortal (newRV_inc ((SV *)av))); |
2418 | PUTBACK; |
3113 | PUTBACK; |
2419 | call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR); |
3114 | call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR); |
2420 | } |
3115 | } |
2421 | |
3116 | |
2422 | SvREFCNT_dec (cb); |
3117 | SvREFCNT_dec_NN (cb); |
2423 | } |
3118 | } |
2424 | } |
3119 | } |
2425 | |
3120 | |
2426 | static void |
3121 | static void |
2427 | coro_semaphore_on_destroy (pTHX_ struct coro *coro) |
3122 | coro_semaphore_destroy (pTHX_ struct CoroSLF *frame) |
2428 | { |
3123 | { |
2429 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
3124 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
2430 | coro_semaphore_adjust (aTHX_ (AV *)coro->slf_frame.data, 0); |
3125 | coro_semaphore_adjust (aTHX_ (AV *)frame->data, 0); |
2431 | } |
3126 | } |
2432 | |
3127 | |
2433 | static int |
3128 | static int |
2434 | slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire) |
3129 | slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire) |
2435 | { |
3130 | { |
2436 | AV *av = (AV *)frame->data; |
3131 | AV *av = (AV *)frame->data; |
2437 | SV *count_sv = AvARRAY (av)[0]; |
3132 | SV *count_sv = AvARRAY (av)[0]; |
|
|
3133 | SV *coro_hv = SvRV (coro_current); |
|
|
3134 | |
|
|
3135 | frame->destroy = 0; |
2438 | |
3136 | |
2439 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
3137 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2440 | if (CORO_THROW) |
3138 | if (ecb_expect_false (CORO_THROW)) |
|
|
3139 | { |
|
|
3140 | /* we still might be responsible for the semaphore, so wake up others */ |
|
|
3141 | coro_semaphore_adjust (aTHX_ av, 0); |
|
|
3142 | |
2441 | return 0; |
3143 | return 0; |
|
|
3144 | } |
2442 | else if (SvIVX (count_sv) > 0) |
3145 | else if (SvIVX (count_sv) > 0) |
2443 | { |
3146 | { |
2444 | SvSTATE_current->on_destroy = 0; |
|
|
2445 | |
|
|
2446 | if (acquire) |
3147 | if (acquire) |
2447 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
3148 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2448 | else |
3149 | else |
2449 | coro_semaphore_adjust (aTHX_ av, 0); |
3150 | coro_semaphore_adjust (aTHX_ av, 0); |
2450 | |
3151 | |
… | |
… | |
2454 | { |
3155 | { |
2455 | int i; |
3156 | int i; |
2456 | /* if we were woken up but can't down, we look through the whole */ |
3157 | /* if we were woken up but can't down, we look through the whole */ |
2457 | /* waiters list and only add us if we aren't in there already */ |
3158 | /* waiters list and only add us if we aren't in there already */ |
2458 | /* this avoids some degenerate memory usage cases */ |
3159 | /* this avoids some degenerate memory usage cases */ |
2459 | |
3160 | for (i = AvFILLp (av); i > 0; --i) /* i > 0 is not an off-by-one bug */ |
2460 | for (i = 1; i <= AvFILLp (av); ++i) |
|
|
2461 | if (AvARRAY (av)[i] == SvRV (coro_current)) |
3161 | if (AvARRAY (av)[i] == coro_hv) |
2462 | return 1; |
3162 | return 1; |
2463 | |
3163 | |
2464 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
3164 | av_push (av, SvREFCNT_inc (coro_hv)); |
2465 | return 1; |
3165 | return 1; |
2466 | } |
3166 | } |
2467 | } |
3167 | } |
2468 | |
3168 | |
2469 | static int |
3169 | static int |
… | |
… | |
2492 | { |
3192 | { |
2493 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
3193 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2494 | |
3194 | |
2495 | frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); |
3195 | frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); |
2496 | frame->prepare = prepare_schedule; |
3196 | frame->prepare = prepare_schedule; |
2497 | |
|
|
2498 | /* to avoid race conditions when a woken-up coro gets terminated */ |
3197 | /* to avoid race conditions when a woken-up coro gets terminated */ |
2499 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
3198 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
2500 | SvSTATE_current->on_destroy = coro_semaphore_on_destroy; |
3199 | frame->destroy = coro_semaphore_destroy; |
2501 | } |
3200 | } |
2502 | } |
3201 | } |
2503 | |
3202 | |
2504 | static void |
3203 | static void |
2505 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
3204 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
… | |
… | |
2513 | { |
3212 | { |
2514 | if (items >= 2) |
3213 | if (items >= 2) |
2515 | { |
3214 | { |
2516 | /* callback form */ |
3215 | /* callback form */ |
2517 | AV *av = (AV *)SvRV (arg [0]); |
3216 | AV *av = (AV *)SvRV (arg [0]); |
2518 | CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]); |
3217 | SV *cb_cv = s_get_cv_croak (arg [1]); |
2519 | |
3218 | |
2520 | av_push (av, (SV *)SvREFCNT_inc_NN (cb_cv)); |
3219 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
2521 | |
3220 | |
2522 | if (SvIVX (AvARRAY (av)[0]) > 0) |
3221 | if (SvIVX (AvARRAY (av)[0]) > 0) |
2523 | coro_semaphore_adjust (aTHX_ av, 0); |
3222 | coro_semaphore_adjust (aTHX_ av, 0); |
2524 | |
3223 | |
2525 | frame->prepare = prepare_nop; |
3224 | frame->prepare = prepare_nop; |
… | |
… | |
2549 | AvARRAY (av)[0] = AvARRAY (av)[1]; |
3248 | AvARRAY (av)[0] = AvARRAY (av)[1]; |
2550 | AvARRAY (av)[1] = cb; |
3249 | AvARRAY (av)[1] = cb; |
2551 | |
3250 | |
2552 | cb = av_shift (av); |
3251 | cb = av_shift (av); |
2553 | |
3252 | |
|
|
3253 | if (SvTYPE (cb) == SVt_PVCV) |
|
|
3254 | { |
|
|
3255 | dSP; |
|
|
3256 | PUSHMARK (SP); |
|
|
3257 | XPUSHs (sv_2mortal (newRV_inc ((SV *)av))); |
|
|
3258 | PUTBACK; |
|
|
3259 | call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR); |
|
|
3260 | } |
|
|
3261 | else |
|
|
3262 | { |
2554 | api_ready (aTHX_ cb); |
3263 | api_ready (aTHX_ cb); |
2555 | sv_setiv (cb, 0); /* signal waiter */ |
3264 | sv_setiv (cb, 0); /* signal waiter */ |
|
|
3265 | } |
|
|
3266 | |
2556 | SvREFCNT_dec (cb); |
3267 | SvREFCNT_dec_NN (cb); |
2557 | |
3268 | |
2558 | --count; |
3269 | --count; |
2559 | } |
3270 | } |
2560 | } |
3271 | } |
2561 | |
3272 | |
… | |
… | |
2569 | static void |
3280 | static void |
2570 | slf_init_signal_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
3281 | slf_init_signal_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2571 | { |
3282 | { |
2572 | AV *av = (AV *)SvRV (arg [0]); |
3283 | AV *av = (AV *)SvRV (arg [0]); |
2573 | |
3284 | |
|
|
3285 | if (items >= 2) |
|
|
3286 | { |
|
|
3287 | SV *cb_cv = s_get_cv_croak (arg [1]); |
|
|
3288 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
|
|
3289 | |
2574 | if (SvIVX (AvARRAY (av)[0])) |
3290 | if (SvIVX (AvARRAY (av)[0])) |
|
|
3291 | coro_signal_wake (aTHX_ av, 1); /* must be the only waiter */ |
|
|
3292 | |
|
|
3293 | frame->prepare = prepare_nop; |
|
|
3294 | frame->check = slf_check_nop; |
|
|
3295 | } |
|
|
3296 | else if (SvIVX (AvARRAY (av)[0])) |
2575 | { |
3297 | { |
2576 | SvIVX (AvARRAY (av)[0]) = 0; |
3298 | SvIVX (AvARRAY (av)[0]) = 0; |
2577 | frame->prepare = prepare_nop; |
3299 | frame->prepare = prepare_nop; |
2578 | frame->check = slf_check_nop; |
3300 | frame->check = slf_check_nop; |
2579 | } |
3301 | } |
2580 | else |
3302 | else |
2581 | { |
3303 | { |
2582 | SV *waiter = newRV_inc (SvRV (coro_current)); /* owned by signal av */ |
3304 | SV *waiter = newSVsv (coro_current); /* owned by signal av */ |
2583 | |
3305 | |
2584 | av_push (av, waiter); |
3306 | av_push (av, waiter); |
2585 | |
3307 | |
2586 | frame->data = (void *)sv_2mortal (SvREFCNT_inc_NN (waiter)); /* owned by process */ |
3308 | frame->data = (void *)sv_2mortal (SvREFCNT_inc_NN (waiter)); /* owned by process */ |
2587 | frame->prepare = prepare_schedule; |
3309 | frame->prepare = prepare_schedule; |
… | |
… | |
2605 | |
3327 | |
2606 | static void |
3328 | static void |
2607 | coro_aio_callback (pTHX_ CV *cv) |
3329 | coro_aio_callback (pTHX_ CV *cv) |
2608 | { |
3330 | { |
2609 | dXSARGS; |
3331 | dXSARGS; |
2610 | AV *state = (AV *)GENSUB_ARG; |
3332 | AV *state = (AV *)S_GENSUB_ARG; |
2611 | SV *coro = av_pop (state); |
3333 | SV *coro = av_pop (state); |
2612 | SV *data_sv = newSV (sizeof (struct io_state)); |
3334 | SV *data_sv = newSV (sizeof (struct io_state)); |
2613 | |
3335 | |
2614 | av_extend (state, items - 1); |
3336 | av_extend (state, items - 1); |
2615 | |
3337 | |
… | |
… | |
2635 | } |
3357 | } |
2636 | |
3358 | |
2637 | av_push (state, data_sv); |
3359 | av_push (state, data_sv); |
2638 | |
3360 | |
2639 | api_ready (aTHX_ coro); |
3361 | api_ready (aTHX_ coro); |
2640 | SvREFCNT_dec (coro); |
3362 | SvREFCNT_dec_NN (coro); |
2641 | SvREFCNT_dec ((AV *)state); |
3363 | SvREFCNT_dec_NN ((AV *)state); |
2642 | } |
3364 | } |
2643 | |
3365 | |
2644 | static int |
3366 | static int |
2645 | slf_check_aio_req (pTHX_ struct CoroSLF *frame) |
3367 | slf_check_aio_req (pTHX_ struct CoroSLF *frame) |
2646 | { |
3368 | { |
… | |
… | |
2651 | /* it quickly returns */ |
3373 | /* it quickly returns */ |
2652 | if (CORO_THROW) |
3374 | if (CORO_THROW) |
2653 | return 0; |
3375 | return 0; |
2654 | |
3376 | |
2655 | /* one element that is an RV? repeat! */ |
3377 | /* one element that is an RV? repeat! */ |
2656 | if (AvFILLp (state) == 0 && SvROK (AvARRAY (state)[0])) |
3378 | if (AvFILLp (state) == 0 && SvTYPE (AvARRAY (state)[0]) != SVt_PV) |
2657 | return 1; |
3379 | return 1; |
2658 | |
3380 | |
2659 | /* restore status */ |
3381 | /* restore status */ |
2660 | { |
3382 | { |
2661 | SV *data_sv = av_pop (state); |
3383 | SV *data_sv = av_pop (state); |
… | |
… | |
2664 | errno = data->errorno; |
3386 | errno = data->errorno; |
2665 | PL_laststype = data->laststype; |
3387 | PL_laststype = data->laststype; |
2666 | PL_laststatval = data->laststatval; |
3388 | PL_laststatval = data->laststatval; |
2667 | PL_statcache = data->statcache; |
3389 | PL_statcache = data->statcache; |
2668 | |
3390 | |
2669 | SvREFCNT_dec (data_sv); |
3391 | SvREFCNT_dec_NN (data_sv); |
2670 | } |
3392 | } |
2671 | |
3393 | |
2672 | /* push result values */ |
3394 | /* push result values */ |
2673 | { |
3395 | { |
2674 | dSP; |
3396 | dSP; |
… | |
… | |
2700 | dSP; |
3422 | dSP; |
2701 | |
3423 | |
2702 | static SV *prio_cv; |
3424 | static SV *prio_cv; |
2703 | static SV *prio_sv; |
3425 | static SV *prio_sv; |
2704 | |
3426 | |
2705 | if (expect_false (!prio_cv)) |
3427 | if (ecb_expect_false (!prio_cv)) |
2706 | { |
3428 | { |
2707 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
3429 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
2708 | prio_sv = newSViv (0); |
3430 | prio_sv = newSViv (0); |
2709 | } |
3431 | } |
2710 | |
3432 | |
… | |
… | |
2729 | |
3451 | |
2730 | for (i = 0; i < items; ++i) |
3452 | for (i = 0; i < items; ++i) |
2731 | PUSHs (arg [i]); |
3453 | PUSHs (arg [i]); |
2732 | |
3454 | |
2733 | /* now push the callback closure */ |
3455 | /* now push the callback closure */ |
2734 | PUSHs (sv_2mortal (gensub (aTHX_ coro_aio_callback, (void *)SvREFCNT_inc_NN ((SV *)state)))); |
3456 | PUSHs (sv_2mortal (s_gensub (aTHX_ coro_aio_callback, (void *)SvREFCNT_inc_NN ((SV *)state)))); |
2735 | |
3457 | |
2736 | /* now call the AIO function - we assume our request is uncancelable */ |
3458 | /* now call the AIO function - we assume our request is uncancelable */ |
2737 | PUTBACK; |
3459 | PUTBACK; |
2738 | call_sv ((SV *)req, G_VOID | G_DISCARD); |
3460 | call_sv ((SV *)req, G_VOID | G_DISCARD); |
2739 | } |
3461 | } |
2740 | |
3462 | |
2741 | /* now that the requets is going, we loop toll we have a result */ |
3463 | /* now that the request is going, we loop till we have a result */ |
2742 | frame->data = (void *)state; |
3464 | frame->data = (void *)state; |
2743 | frame->prepare = prepare_schedule; |
3465 | frame->prepare = prepare_schedule; |
2744 | frame->check = slf_check_aio_req; |
3466 | frame->check = slf_check_aio_req; |
2745 | } |
3467 | } |
2746 | |
3468 | |
… | |
… | |
2758 | |
3480 | |
2759 | #if CORO_CLONE |
3481 | #if CORO_CLONE |
2760 | # include "clone.c" |
3482 | # include "clone.c" |
2761 | #endif |
3483 | #endif |
2762 | |
3484 | |
|
|
3485 | /*****************************************************************************/ |
|
|
3486 | |
|
|
3487 | static SV * |
|
|
3488 | coro_new (pTHX_ HV *stash, SV **argv, int argc, int is_coro) |
|
|
3489 | { |
|
|
3490 | SV *coro_sv; |
|
|
3491 | struct coro *coro; |
|
|
3492 | MAGIC *mg; |
|
|
3493 | HV *hv; |
|
|
3494 | SV *cb; |
|
|
3495 | int i; |
|
|
3496 | |
|
|
3497 | if (argc > 0) |
|
|
3498 | { |
|
|
3499 | cb = s_get_cv_croak (argv [0]); |
|
|
3500 | |
|
|
3501 | if (!is_coro) |
|
|
3502 | { |
|
|
3503 | if (CvISXSUB (cb)) |
|
|
3504 | croak ("Coro::State doesn't support XS functions as coroutine start, caught"); |
|
|
3505 | |
|
|
3506 | if (!CvROOT (cb)) |
|
|
3507 | croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught"); |
|
|
3508 | } |
|
|
3509 | } |
|
|
3510 | |
|
|
3511 | Newz (0, coro, 1, struct coro); |
|
|
3512 | coro->args = newAV (); |
|
|
3513 | coro->flags = CF_NEW; |
|
|
3514 | |
|
|
3515 | if (coro_first) coro_first->prev = coro; |
|
|
3516 | coro->next = coro_first; |
|
|
3517 | coro_first = coro; |
|
|
3518 | |
|
|
3519 | coro->hv = hv = newHV (); |
|
|
3520 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
|
|
3521 | mg->mg_flags |= MGf_DUP; |
|
|
3522 | coro_sv = sv_bless (newRV_noinc ((SV *)hv), stash); |
|
|
3523 | |
|
|
3524 | if (argc > 0) |
|
|
3525 | { |
|
|
3526 | av_extend (coro->args, argc + is_coro - 1); |
|
|
3527 | |
|
|
3528 | if (is_coro) |
|
|
3529 | { |
|
|
3530 | av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb)); |
|
|
3531 | cb = (SV *)cv_coro_run; |
|
|
3532 | } |
|
|
3533 | |
|
|
3534 | coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb); |
|
|
3535 | |
|
|
3536 | for (i = 1; i < argc; i++) |
|
|
3537 | av_push (coro->args, newSVsv (argv [i])); |
|
|
3538 | } |
|
|
3539 | |
|
|
3540 | return coro_sv; |
|
|
3541 | } |
|
|
3542 | |
|
|
3543 | #ifndef __cplusplus |
|
|
3544 | ecb_cold XS(boot_Coro__State); |
|
|
3545 | #endif |
|
|
3546 | |
|
|
3547 | #if CORO_JIT |
|
|
3548 | |
|
|
3549 | static void ecb_noinline ecb_cold |
|
|
3550 | pushav_4uv (pTHX_ UV a, UV b, UV c, UV d) |
|
|
3551 | { |
|
|
3552 | dSP; |
|
|
3553 | AV *av = newAV (); |
|
|
3554 | |
|
|
3555 | av_store (av, 3, newSVuv (d)); |
|
|
3556 | av_store (av, 2, newSVuv (c)); |
|
|
3557 | av_store (av, 1, newSVuv (b)); |
|
|
3558 | av_store (av, 0, newSVuv (a)); |
|
|
3559 | |
|
|
3560 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
3561 | |
|
|
3562 | PUTBACK; |
|
|
3563 | } |
|
|
3564 | |
|
|
3565 | static void ecb_noinline ecb_cold |
|
|
3566 | jit_init (pTHX) |
|
|
3567 | { |
|
|
3568 | dSP; |
|
|
3569 | SV *load, *save; |
|
|
3570 | char *map_base; |
|
|
3571 | char *load_ptr, *save_ptr; |
|
|
3572 | STRLEN load_len, save_len, map_len; |
|
|
3573 | int count; |
|
|
3574 | |
|
|
3575 | eval_pv ("require 'Coro/jit-" CORO_JIT_TYPE ".pl'", 1); |
|
|
3576 | |
|
|
3577 | PUSHMARK (SP); |
|
|
3578 | #define VARx(name,expr,type) pushav_4uv (aTHX_ (UV)&(expr), sizeof (expr), offsetof (perl_slots, name), sizeof (type)); |
|
|
3579 | #include "state.h" |
|
|
3580 | count = call_pv ("Coro::State::_jit", G_ARRAY); |
|
|
3581 | SPAGAIN; |
|
|
3582 | |
|
|
3583 | save = POPs; save_ptr = SvPVbyte (save, save_len); |
|
|
3584 | load = POPs; load_ptr = SvPVbyte (load, load_len); |
|
|
3585 | |
|
|
3586 | map_len = load_len + save_len + 16; |
|
|
3587 | |
|
|
3588 | map_base = mmap (0, map_len, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); |
|
|
3589 | |
|
|
3590 | assert (("Coro: unable to mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED)); |
|
|
3591 | |
|
|
3592 | load_perl_slots = (load_save_perl_slots_type)map_base; |
|
|
3593 | memcpy (map_base, load_ptr, load_len); |
|
|
3594 | |
|
|
3595 | map_base += (load_len + 15) & ~15; |
|
|
3596 | |
|
|
3597 | save_perl_slots = (load_save_perl_slots_type)map_base; |
|
|
3598 | memcpy (map_base, save_ptr, save_len); |
|
|
3599 | |
|
|
3600 | /* we are good citizens and try to make the page read-only, so the evil evil */ |
|
|
3601 | /* hackers might have it a bit more difficult */ |
|
|
3602 | mprotect (map_base, map_len, PROT_READ | PROT_EXEC); |
|
|
3603 | |
|
|
3604 | PUTBACK; |
|
|
3605 | eval_pv ("undef &Coro::State::_jit", 1); |
|
|
3606 | } |
|
|
3607 | |
|
|
3608 | #endif |
|
|
3609 | |
2763 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
3610 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
2764 | |
3611 | |
2765 | PROTOTYPES: DISABLE |
3612 | PROTOTYPES: DISABLE |
2766 | |
3613 | |
2767 | BOOT: |
3614 | BOOT: |
2768 | { |
3615 | { |
|
|
3616 | #define VARx(name,expr,type) if (sizeof (type) < sizeof (expr)) croak ("FATAL: Coro thread context slot '" # name "' too small for this version of perl."); |
|
|
3617 | #include "state.h" |
2769 | #ifdef USE_ITHREADS |
3618 | #ifdef USE_ITHREADS |
2770 | # if CORO_PTHREAD |
3619 | # if CORO_PTHREAD |
2771 | coro_thx = PERL_GET_CONTEXT; |
3620 | coro_thx = PERL_GET_CONTEXT; |
2772 | # endif |
3621 | # endif |
2773 | #endif |
3622 | #endif |
2774 | BOOT_PAGESIZE; |
3623 | /* perl defines these to check for existance first, but why it doesn't */ |
|
|
3624 | /* just create them one at init time is not clear to me, except for */ |
|
|
3625 | /* programs trying to delete them, but... */ |
|
|
3626 | /* anyway, we declare this as invalid and make sure they are initialised here */ |
|
|
3627 | DEFSV; |
|
|
3628 | ERRSV; |
2775 | |
3629 | |
2776 | cctx_current = cctx_new_empty (); |
3630 | cctx_current = cctx_new_empty (); |
2777 | |
3631 | |
2778 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3632 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
2779 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3633 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
2780 | |
3634 | |
2781 | orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get; |
3635 | { |
2782 | orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set; |
3636 | /* |
2783 | orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr; |
3637 | * we provide a vtbvl for %SIG magic that replaces PL_vtbl_sig |
|
|
3638 | * by coro_sig_vtbl in hash values. |
|
|
3639 | */ |
|
|
3640 | MAGIC *mg = mg_find ((SV *)GvHV (gv_fetchpv ("SIG", GV_ADD | GV_NOTQUAL, SVt_PVHV)), PERL_MAGIC_sig); |
|
|
3641 | |
|
|
3642 | /* this only works if perl doesn't have a vtbl for %SIG */ |
|
|
3643 | assert (!mg->mg_virtual); |
|
|
3644 | |
|
|
3645 | /* |
|
|
3646 | * The irony is that the perl API itself asserts that mg_virtual |
|
|
3647 | * must be non-const, yet perl5porters insisted on marking their |
|
|
3648 | * vtbls as read-only, just to thwart perl modules from patching |
|
|
3649 | * them. |
|
|
3650 | */ |
|
|
3651 | mg->mg_virtual = (MGVTBL *)&coro_sig_vtbl; |
|
|
3652 | mg->mg_flags |= MGf_COPY; |
|
|
3653 | |
|
|
3654 | coro_sigelem_vtbl = PL_vtbl_sigelem; |
|
|
3655 | coro_sigelem_vtbl.svt_get = coro_sigelem_get; |
|
|
3656 | coro_sigelem_vtbl.svt_set = coro_sigelem_set; |
|
|
3657 | coro_sigelem_vtbl.svt_clear = coro_sigelem_clr; |
|
|
3658 | } |
2784 | |
3659 | |
2785 | hv_sig = coro_get_hv (aTHX_ "SIG", TRUE); |
|
|
2786 | rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV)); |
3660 | rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV)); |
2787 | rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV)); |
3661 | rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV)); |
2788 | |
3662 | |
2789 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
3663 | coro_state_stash = gv_stashpv ("Coro::State", TRUE); |
2790 | |
3664 | |
… | |
… | |
2819 | coroapi.prepare_nop = prepare_nop; |
3693 | coroapi.prepare_nop = prepare_nop; |
2820 | coroapi.prepare_schedule = prepare_schedule; |
3694 | coroapi.prepare_schedule = prepare_schedule; |
2821 | coroapi.prepare_cede = prepare_cede; |
3695 | coroapi.prepare_cede = prepare_cede; |
2822 | coroapi.prepare_cede_notself = prepare_cede_notself; |
3696 | coroapi.prepare_cede_notself = prepare_cede_notself; |
2823 | |
3697 | |
2824 | { |
3698 | time_init (aTHX); |
2825 | SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
|
|
2826 | |
3699 | |
2827 | if (!svp) croak ("Time::HiRes is required"); |
|
|
2828 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer"); |
|
|
2829 | |
|
|
2830 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
|
|
2831 | } |
|
|
2832 | |
|
|
2833 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
3700 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
|
|
3701 | #if CORO_JIT |
|
|
3702 | PUTBACK; |
|
|
3703 | jit_init (aTHX); |
|
|
3704 | SPAGAIN; |
|
|
3705 | #endif |
2834 | } |
3706 | } |
2835 | |
3707 | |
2836 | SV * |
3708 | SV * |
2837 | new (char *klass, ...) |
3709 | new (SV *klass, ...) |
2838 | ALIAS: |
3710 | ALIAS: |
2839 | Coro::new = 1 |
3711 | Coro::new = 1 |
2840 | CODE: |
3712 | CODE: |
2841 | { |
3713 | RETVAL = coro_new (aTHX_ ix ? coro_stash : coro_state_stash, &ST (1), items - 1, ix); |
2842 | struct coro *coro; |
3714 | OUTPUT: |
2843 | MAGIC *mg; |
|
|
2844 | HV *hv; |
|
|
2845 | CV *cb; |
|
|
2846 | int i; |
|
|
2847 | |
|
|
2848 | if (items > 1) |
|
|
2849 | { |
|
|
2850 | cb = coro_sv_2cv (aTHX_ ST (1)); |
|
|
2851 | |
|
|
2852 | if (!ix) |
|
|
2853 | { |
|
|
2854 | if (CvISXSUB (cb)) |
|
|
2855 | croak ("Coro::State doesn't support XS functions as coroutine start, caught"); |
|
|
2856 | |
|
|
2857 | if (!CvROOT (cb)) |
|
|
2858 | croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught"); |
|
|
2859 | } |
|
|
2860 | } |
|
|
2861 | |
|
|
2862 | Newz (0, coro, 1, struct coro); |
|
|
2863 | coro->args = newAV (); |
|
|
2864 | coro->flags = CF_NEW; |
|
|
2865 | |
|
|
2866 | if (coro_first) coro_first->prev = coro; |
|
|
2867 | coro->next = coro_first; |
|
|
2868 | coro_first = coro; |
|
|
2869 | |
|
|
2870 | coro->hv = hv = newHV (); |
|
|
2871 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
|
|
2872 | mg->mg_flags |= MGf_DUP; |
|
|
2873 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
|
|
2874 | |
|
|
2875 | if (items > 1) |
|
|
2876 | { |
|
|
2877 | av_extend (coro->args, items - 1 + ix - 1); |
|
|
2878 | |
|
|
2879 | if (ix) |
|
|
2880 | { |
|
|
2881 | av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb)); |
|
|
2882 | cb = cv_coro_run; |
|
|
2883 | } |
|
|
2884 | |
|
|
2885 | coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb); |
|
|
2886 | |
|
|
2887 | for (i = 2; i < items; i++) |
|
|
2888 | av_push (coro->args, newSVsv (ST (i))); |
|
|
2889 | } |
|
|
2890 | } |
|
|
2891 | OUTPUT: |
|
|
2892 | RETVAL |
3715 | RETVAL |
2893 | |
3716 | |
2894 | void |
3717 | void |
2895 | transfer (...) |
3718 | transfer (...) |
2896 | PROTOTYPE: $$ |
3719 | PROTOTYPE: $$ |
2897 | CODE: |
3720 | CODE: |
2898 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3721 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
2899 | |
3722 | |
2900 | bool |
|
|
2901 | _destroy (SV *coro_sv) |
|
|
2902 | CODE: |
|
|
2903 | RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); |
|
|
2904 | OUTPUT: |
|
|
2905 | RETVAL |
|
|
2906 | |
|
|
2907 | void |
|
|
2908 | _exit (int code) |
|
|
2909 | PROTOTYPE: $ |
|
|
2910 | CODE: |
|
|
2911 | _exit (code); |
|
|
2912 | |
|
|
2913 | SV * |
3723 | SV * |
2914 | clone (Coro::State coro) |
3724 | clone (Coro::State coro) |
2915 | CODE: |
3725 | CODE: |
2916 | { |
3726 | { |
2917 | #if CORO_CLONE |
3727 | #if CORO_CLONE |
2918 | struct coro *ncoro = coro_clone (coro); |
3728 | struct coro *ncoro = coro_clone (aTHX_ coro); |
2919 | MAGIC *mg; |
3729 | MAGIC *mg; |
2920 | /* TODO: too much duplication */ |
3730 | /* TODO: too much duplication */ |
2921 | ncoro->hv = newHV (); |
3731 | ncoro->hv = newHV (); |
2922 | mg = sv_magicext ((SV *)ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)ncoro, 0); |
3732 | mg = sv_magicext ((SV *)ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)ncoro, 0); |
2923 | mg->mg_flags |= MGf_DUP; |
3733 | mg->mg_flags |= MGf_DUP; |
… | |
… | |
2971 | void |
3781 | void |
2972 | list () |
3782 | list () |
2973 | PROTOTYPE: |
3783 | PROTOTYPE: |
2974 | PPCODE: |
3784 | PPCODE: |
2975 | { |
3785 | { |
2976 | struct coro *coro; |
3786 | struct coro *coro; |
2977 | for (coro = coro_first; coro; coro = coro->next) |
3787 | for (coro = coro_first; coro; coro = coro->next) |
2978 | if (coro->hv) |
3788 | if (coro->hv) |
2979 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
3789 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
2980 | } |
3790 | } |
2981 | |
3791 | |
… | |
… | |
2985 | eval = 1 |
3795 | eval = 1 |
2986 | CODE: |
3796 | CODE: |
2987 | { |
3797 | { |
2988 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3798 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
2989 | { |
3799 | { |
2990 | struct coro temp; |
3800 | struct coro *current = SvSTATE_current; |
|
|
3801 | struct CoroSLF slf_save; |
2991 | |
3802 | |
2992 | if (!(coro->flags & CF_RUNNING)) |
3803 | if (current != coro) |
2993 | { |
3804 | { |
2994 | PUTBACK; |
3805 | PUTBACK; |
2995 | save_perl (aTHX_ &temp); |
3806 | save_perl (aTHX_ current); |
2996 | load_perl (aTHX_ coro); |
3807 | load_perl (aTHX_ coro); |
|
|
3808 | /* the coro is most likely in an active SLF call. |
|
|
3809 | * while not strictly required (the code we execute is |
|
|
3810 | * not allowed to call any SLF functions), it's cleaner |
|
|
3811 | * to reinitialise the slf_frame and restore it later. |
|
|
3812 | * This might one day allow us to actually do SLF calls |
|
|
3813 | * from code executed here. |
|
|
3814 | */ |
|
|
3815 | slf_save = slf_frame; |
|
|
3816 | slf_frame.prepare = 0; |
|
|
3817 | SPAGAIN; |
2997 | } |
3818 | } |
2998 | |
3819 | |
2999 | { |
|
|
3000 | dSP; |
|
|
3001 | ENTER; |
|
|
3002 | SAVETMPS; |
|
|
3003 | PUTBACK; |
|
|
3004 | PUSHSTACK; |
3820 | PUSHSTACK; |
|
|
3821 | |
3005 | PUSHMARK (SP); |
3822 | PUSHMARK (SP); |
|
|
3823 | PUTBACK; |
3006 | |
3824 | |
3007 | if (ix) |
3825 | if (ix) |
3008 | eval_sv (coderef, 0); |
3826 | eval_sv (coderef, 0); |
3009 | else |
3827 | else |
3010 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
3828 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
3011 | |
3829 | |
3012 | POPSTACK; |
3830 | POPSTACK; |
3013 | SPAGAIN; |
3831 | SPAGAIN; |
3014 | FREETMPS; |
|
|
3015 | LEAVE; |
|
|
3016 | PUTBACK; |
|
|
3017 | } |
|
|
3018 | |
3832 | |
3019 | if (!(coro->flags & CF_RUNNING)) |
3833 | if (current != coro) |
3020 | { |
3834 | { |
|
|
3835 | PUTBACK; |
|
|
3836 | slf_frame = slf_save; |
3021 | save_perl (aTHX_ coro); |
3837 | save_perl (aTHX_ coro); |
3022 | load_perl (aTHX_ &temp); |
3838 | load_perl (aTHX_ current); |
3023 | SPAGAIN; |
3839 | SPAGAIN; |
3024 | } |
3840 | } |
3025 | } |
3841 | } |
3026 | } |
3842 | } |
3027 | |
3843 | |
… | |
… | |
3030 | PROTOTYPE: $ |
3846 | PROTOTYPE: $ |
3031 | ALIAS: |
3847 | ALIAS: |
3032 | is_ready = CF_READY |
3848 | is_ready = CF_READY |
3033 | is_running = CF_RUNNING |
3849 | is_running = CF_RUNNING |
3034 | is_new = CF_NEW |
3850 | is_new = CF_NEW |
3035 | is_destroyed = CF_DESTROYED |
3851 | is_destroyed = CF_ZOMBIE |
|
|
3852 | is_zombie = CF_ZOMBIE |
|
|
3853 | is_suspended = CF_SUSPENDED |
3036 | CODE: |
3854 | CODE: |
3037 | RETVAL = boolSV (coro->flags & ix); |
3855 | RETVAL = boolSV (coro->flags & ix); |
3038 | OUTPUT: |
3856 | OUTPUT: |
3039 | RETVAL |
3857 | RETVAL |
3040 | |
3858 | |
3041 | void |
3859 | void |
3042 | throw (Coro::State self, SV *throw = &PL_sv_undef) |
3860 | throw (SV *self, SV *exception = &PL_sv_undef) |
3043 | PROTOTYPE: $;$ |
3861 | PROTOTYPE: $;$ |
3044 | CODE: |
3862 | CODE: |
3045 | { |
3863 | { |
|
|
3864 | struct coro *coro = SvSTATE (self); |
3046 | struct coro *current = SvSTATE_current; |
3865 | struct coro *current = SvSTATE_current; |
3047 | SV **throwp = self == current ? &CORO_THROW : &self->except; |
3866 | SV **exceptionp = coro == current ? &CORO_THROW : &coro->except; |
3048 | SvREFCNT_dec (*throwp); |
3867 | SvREFCNT_dec (*exceptionp); |
3049 | *throwp = SvOK (throw) ? newSVsv (throw) : 0; |
3868 | SvGETMAGIC (exception); |
|
|
3869 | *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; |
|
|
3870 | |
|
|
3871 | api_ready (aTHX_ self); |
3050 | } |
3872 | } |
3051 | |
3873 | |
3052 | void |
3874 | void |
3053 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3875 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3054 | PROTOTYPE: $;$ |
3876 | PROTOTYPE: $;$ |
… | |
… | |
3105 | SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; |
3927 | SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; |
3106 | |
3928 | |
3107 | SV *tmp = *src; *src = *dst; *dst = tmp; |
3929 | SV *tmp = *src; *src = *dst; *dst = tmp; |
3108 | } |
3930 | } |
3109 | |
3931 | |
|
|
3932 | void |
|
|
3933 | cancel (Coro::State self) |
|
|
3934 | CODE: |
|
|
3935 | coro_state_destroy (aTHX_ self); |
|
|
3936 | |
|
|
3937 | SV * |
|
|
3938 | enable_times (int enabled = enable_times) |
|
|
3939 | CODE: |
|
|
3940 | { |
|
|
3941 | RETVAL = boolSV (enable_times); |
|
|
3942 | |
|
|
3943 | if (enabled != enable_times) |
|
|
3944 | { |
|
|
3945 | enable_times = enabled; |
|
|
3946 | |
|
|
3947 | coro_times_update (); |
|
|
3948 | (enabled ? coro_times_sub : coro_times_add)(SvSTATE (coro_current)); |
|
|
3949 | } |
|
|
3950 | } |
|
|
3951 | OUTPUT: |
|
|
3952 | RETVAL |
|
|
3953 | |
|
|
3954 | void |
|
|
3955 | times (Coro::State self) |
|
|
3956 | PPCODE: |
|
|
3957 | { |
|
|
3958 | struct coro *current = SvSTATE (coro_current); |
|
|
3959 | |
|
|
3960 | if (ecb_expect_false (current == self)) |
|
|
3961 | { |
|
|
3962 | coro_times_update (); |
|
|
3963 | coro_times_add (SvSTATE (coro_current)); |
|
|
3964 | } |
|
|
3965 | |
|
|
3966 | EXTEND (SP, 2); |
|
|
3967 | PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9))); |
|
|
3968 | PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9))); |
|
|
3969 | |
|
|
3970 | if (ecb_expect_false (current == self)) |
|
|
3971 | coro_times_sub (SvSTATE (coro_current)); |
|
|
3972 | } |
|
|
3973 | |
|
|
3974 | void |
|
|
3975 | swap_sv (Coro::State coro, SV *sva, SV *svb) |
|
|
3976 | CODE: |
|
|
3977 | { |
|
|
3978 | struct coro *current = SvSTATE_current; |
|
|
3979 | AV *swap_sv; |
|
|
3980 | int i; |
|
|
3981 | |
|
|
3982 | sva = SvRV (sva); |
|
|
3983 | svb = SvRV (svb); |
|
|
3984 | |
|
|
3985 | if (current == coro) |
|
|
3986 | SWAP_SVS_LEAVE (current); |
|
|
3987 | |
|
|
3988 | if (!coro->swap_sv) |
|
|
3989 | coro->swap_sv = newAV (); |
|
|
3990 | |
|
|
3991 | swap_sv = coro->swap_sv; |
|
|
3992 | |
|
|
3993 | for (i = AvFILLp (swap_sv) - 1; i >= 0; i -= 2) |
|
|
3994 | { |
|
|
3995 | SV *a = AvARRAY (swap_sv)[i ]; |
|
|
3996 | SV *b = AvARRAY (swap_sv)[i + 1]; |
|
|
3997 | |
|
|
3998 | if (a == sva && b == svb) |
|
|
3999 | { |
|
|
4000 | SvREFCNT_dec_NN (a); |
|
|
4001 | SvREFCNT_dec_NN (b); |
|
|
4002 | |
|
|
4003 | for (; i <= AvFILLp (swap_sv) - 2; i++) |
|
|
4004 | AvARRAY (swap_sv)[i] = AvARRAY (swap_sv)[i + 2]; |
|
|
4005 | |
|
|
4006 | AvFILLp (swap_sv) -= 2; |
|
|
4007 | |
|
|
4008 | goto removed; |
|
|
4009 | } |
|
|
4010 | } |
|
|
4011 | |
|
|
4012 | av_push (swap_sv, SvREFCNT_inc_NN (sva)); |
|
|
4013 | av_push (swap_sv, SvREFCNT_inc_NN (svb)); |
|
|
4014 | |
|
|
4015 | removed: |
|
|
4016 | |
|
|
4017 | if (current == coro) |
|
|
4018 | SWAP_SVS_ENTER (current); |
|
|
4019 | } |
|
|
4020 | |
3110 | |
4021 | |
3111 | MODULE = Coro::State PACKAGE = Coro |
4022 | MODULE = Coro::State PACKAGE = Coro |
3112 | |
4023 | |
3113 | BOOT: |
4024 | BOOT: |
3114 | { |
4025 | { |
3115 | int i; |
4026 | if (SVt_LAST > 32) |
|
|
4027 | croak ("Coro internal error: SVt_LAST > 32, swap_sv might need adjustment"); |
3116 | |
4028 | |
3117 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
4029 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3118 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
4030 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3119 | cv_coro_run = get_cv ( "Coro::_terminate", GV_ADD); |
4031 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
3120 | cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD); |
|
|
3121 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
4032 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
3122 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
4033 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
3123 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
4034 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
3124 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
4035 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
3125 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
4036 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
3126 | |
4037 | |
3127 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
4038 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3128 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
4039 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3129 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
4040 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3130 | cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new); |
4041 | CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ |
3131 | |
4042 | |
3132 | coro_stash = gv_stashpv ("Coro", TRUE); |
4043 | coro_stash = gv_stashpv ("Coro", TRUE); |
3133 | |
4044 | |
3134 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
4045 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
3135 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
4046 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
3136 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); |
4047 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); |
3137 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); |
4048 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (CORO_PRIO_LOW)); |
3138 | newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE)); |
4049 | newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (CORO_PRIO_IDLE)); |
3139 | newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN)); |
4050 | newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (CORO_PRIO_MIN)); |
3140 | |
|
|
3141 | for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) |
|
|
3142 | coro_ready[i] = newAV (); |
|
|
3143 | |
4051 | |
3144 | { |
4052 | { |
3145 | SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE); |
4053 | SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE); |
3146 | |
4054 | |
3147 | coroapi.schedule = api_schedule; |
4055 | coroapi.schedule = api_schedule; |
… | |
… | |
3151 | coroapi.ready = api_ready; |
4059 | coroapi.ready = api_ready; |
3152 | coroapi.is_ready = api_is_ready; |
4060 | coroapi.is_ready = api_is_ready; |
3153 | coroapi.nready = coro_nready; |
4061 | coroapi.nready = coro_nready; |
3154 | coroapi.current = coro_current; |
4062 | coroapi.current = coro_current; |
3155 | |
4063 | |
|
|
4064 | coroapi.enterleave_hook = api_enterleave_hook; |
|
|
4065 | coroapi.enterleave_unhook = api_enterleave_unhook; |
|
|
4066 | coroapi.enterleave_scope_hook = api_enterleave_scope_hook; |
|
|
4067 | |
3156 | /*GCoroAPI = &coroapi;*/ |
4068 | /*GCoroAPI = &coroapi;*/ |
3157 | sv_setiv (sv, (IV)&coroapi); |
4069 | sv_setiv (sv, (IV)&coroapi); |
3158 | SvREADONLY_on (sv); |
4070 | SvREADONLY_on (sv); |
3159 | } |
4071 | } |
3160 | } |
4072 | } |
3161 | |
4073 | |
|
|
4074 | SV * |
|
|
4075 | async (...) |
|
|
4076 | PROTOTYPE: &@ |
|
|
4077 | CODE: |
|
|
4078 | RETVAL = coro_new (aTHX_ coro_stash, &ST (0), items, 1); |
|
|
4079 | api_ready (aTHX_ RETVAL); |
|
|
4080 | OUTPUT: |
|
|
4081 | RETVAL |
|
|
4082 | |
|
|
4083 | void |
|
|
4084 | _destroy (Coro::State coro) |
|
|
4085 | CODE: |
|
|
4086 | /* used by the manager thread */ |
|
|
4087 | coro_state_destroy (aTHX_ coro); |
|
|
4088 | |
|
|
4089 | void |
|
|
4090 | on_destroy (Coro::State coro, SV *cb) |
|
|
4091 | CODE: |
|
|
4092 | coro_push_on_destroy (aTHX_ coro, newSVsv (cb)); |
|
|
4093 | |
|
|
4094 | void |
|
|
4095 | join (...) |
|
|
4096 | CODE: |
|
|
4097 | CORO_EXECUTE_SLF_XS (slf_init_join); |
|
|
4098 | |
3162 | void |
4099 | void |
3163 | terminate (...) |
4100 | terminate (...) |
3164 | CODE: |
4101 | CODE: |
3165 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
4102 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
3166 | |
4103 | |
3167 | void |
4104 | void |
|
|
4105 | cancel (...) |
|
|
4106 | CODE: |
|
|
4107 | CORO_EXECUTE_SLF_XS (slf_init_cancel); |
|
|
4108 | |
|
|
4109 | int |
|
|
4110 | safe_cancel (Coro::State self, ...) |
|
|
4111 | C_ARGS: aTHX_ self, &ST (1), items - 1 |
|
|
4112 | |
|
|
4113 | void |
3168 | schedule (...) |
4114 | schedule (...) |
3169 | CODE: |
4115 | CODE: |
3170 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
4116 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
3171 | |
4117 | |
3172 | void |
4118 | void |
… | |
… | |
3188 | cede_notself (...) |
4134 | cede_notself (...) |
3189 | CODE: |
4135 | CODE: |
3190 | CORO_EXECUTE_SLF_XS (slf_init_cede_notself); |
4136 | CORO_EXECUTE_SLF_XS (slf_init_cede_notself); |
3191 | |
4137 | |
3192 | void |
4138 | void |
3193 | _cancel (Coro::State self) |
|
|
3194 | CODE: |
|
|
3195 | coro_state_destroy (aTHX_ self); |
|
|
3196 | coro_call_on_destroy (aTHX_ self); |
|
|
3197 | |
|
|
3198 | void |
|
|
3199 | _set_current (SV *current) |
4139 | _set_current (SV *current) |
3200 | PROTOTYPE: $ |
4140 | PROTOTYPE: $ |
3201 | CODE: |
4141 | CODE: |
3202 | SvREFCNT_dec (SvRV (coro_current)); |
4142 | SvREFCNT_dec_NN (SvRV (coro_current)); |
3203 | SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current))); |
4143 | SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current))); |
3204 | |
4144 | |
3205 | void |
4145 | void |
3206 | _set_readyhook (SV *hook) |
4146 | _set_readyhook (SV *hook) |
3207 | PROTOTYPE: $ |
4147 | PROTOTYPE: $ |
3208 | CODE: |
4148 | CODE: |
3209 | SvREFCNT_dec (coro_readyhook); |
4149 | SvREFCNT_dec (coro_readyhook); |
|
|
4150 | SvGETMAGIC (hook); |
|
|
4151 | if (SvOK (hook)) |
|
|
4152 | { |
3210 | coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0; |
4153 | coro_readyhook = newSVsv (hook); |
|
|
4154 | CORO_READYHOOK = invoke_sv_ready_hook_helper; |
|
|
4155 | } |
|
|
4156 | else |
|
|
4157 | { |
|
|
4158 | coro_readyhook = 0; |
|
|
4159 | CORO_READYHOOK = 0; |
|
|
4160 | } |
3211 | |
4161 | |
3212 | int |
4162 | int |
3213 | prio (Coro::State coro, int newprio = 0) |
4163 | prio (Coro::State coro, int newprio = 0) |
3214 | PROTOTYPE: $;$ |
4164 | PROTOTYPE: $;$ |
3215 | ALIAS: |
4165 | ALIAS: |
… | |
… | |
3221 | if (items > 1) |
4171 | if (items > 1) |
3222 | { |
4172 | { |
3223 | if (ix) |
4173 | if (ix) |
3224 | newprio = coro->prio - newprio; |
4174 | newprio = coro->prio - newprio; |
3225 | |
4175 | |
3226 | if (newprio < PRIO_MIN) newprio = PRIO_MIN; |
4176 | if (newprio < CORO_PRIO_MIN) newprio = CORO_PRIO_MIN; |
3227 | if (newprio > PRIO_MAX) newprio = PRIO_MAX; |
4177 | if (newprio > CORO_PRIO_MAX) newprio = CORO_PRIO_MAX; |
3228 | |
4178 | |
3229 | coro->prio = newprio; |
4179 | coro->prio = newprio; |
3230 | } |
4180 | } |
3231 | } |
4181 | } |
3232 | OUTPUT: |
4182 | OUTPUT: |
… | |
… | |
3247 | RETVAL = coro_nready; |
4197 | RETVAL = coro_nready; |
3248 | OUTPUT: |
4198 | OUTPUT: |
3249 | RETVAL |
4199 | RETVAL |
3250 | |
4200 | |
3251 | void |
4201 | void |
|
|
4202 | suspend (Coro::State self) |
|
|
4203 | PROTOTYPE: $ |
|
|
4204 | CODE: |
|
|
4205 | self->flags |= CF_SUSPENDED; |
|
|
4206 | |
|
|
4207 | void |
|
|
4208 | resume (Coro::State self) |
|
|
4209 | PROTOTYPE: $ |
|
|
4210 | CODE: |
|
|
4211 | self->flags &= ~CF_SUSPENDED; |
|
|
4212 | |
|
|
4213 | void |
3252 | _pool_handler (...) |
4214 | _pool_handler (...) |
3253 | CODE: |
4215 | CODE: |
3254 | CORO_EXECUTE_SLF_XS (slf_init_pool_handler); |
4216 | CORO_EXECUTE_SLF_XS (slf_init_pool_handler); |
3255 | |
4217 | |
3256 | void |
4218 | void |
… | |
… | |
3267 | for (i = 1; i < items; ++i) |
4229 | for (i = 1; i < items; ++i) |
3268 | av_push (av, SvREFCNT_inc_NN (ST (i))); |
4230 | av_push (av, SvREFCNT_inc_NN (ST (i))); |
3269 | |
4231 | |
3270 | if ((SV *)hv == &PL_sv_undef) |
4232 | if ((SV *)hv == &PL_sv_undef) |
3271 | { |
4233 | { |
3272 | PUSHMARK (SP); |
4234 | SV *sv = coro_new (aTHX_ coro_stash, (SV **)&cv_pool_handler, 1, 1); |
3273 | EXTEND (SP, 2); |
|
|
3274 | PUSHs (sv_Coro); |
|
|
3275 | PUSHs ((SV *)cv_pool_handler); |
|
|
3276 | PUTBACK; |
|
|
3277 | call_sv ((SV *)cv_coro_state_new, G_SCALAR); |
|
|
3278 | SPAGAIN; |
|
|
3279 | |
|
|
3280 | hv = (HV *)SvREFCNT_inc_NN (SvRV (POPs)); |
4235 | hv = (HV *)SvREFCNT_inc_NN (SvRV (sv)); |
|
|
4236 | SvREFCNT_dec_NN (sv); |
3281 | } |
4237 | } |
3282 | |
4238 | |
3283 | { |
4239 | { |
3284 | struct coro *coro = SvSTATE_hv (hv); |
4240 | struct coro *coro = SvSTATE_hv (hv); |
3285 | |
4241 | |
… | |
… | |
3292 | api_ready (aTHX_ (SV *)hv); |
4248 | api_ready (aTHX_ (SV *)hv); |
3293 | |
4249 | |
3294 | if (GIMME_V != G_VOID) |
4250 | if (GIMME_V != G_VOID) |
3295 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv))); |
4251 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv))); |
3296 | else |
4252 | else |
3297 | SvREFCNT_dec (hv); |
4253 | SvREFCNT_dec_NN (hv); |
3298 | } |
4254 | } |
3299 | |
4255 | |
3300 | SV * |
4256 | SV * |
3301 | rouse_cb () |
4257 | rouse_cb () |
3302 | PROTOTYPE: |
4258 | PROTOTYPE: |
… | |
… | |
3309 | rouse_wait (...) |
4265 | rouse_wait (...) |
3310 | PROTOTYPE: ;$ |
4266 | PROTOTYPE: ;$ |
3311 | PPCODE: |
4267 | PPCODE: |
3312 | CORO_EXECUTE_SLF_XS (slf_init_rouse_wait); |
4268 | CORO_EXECUTE_SLF_XS (slf_init_rouse_wait); |
3313 | |
4269 | |
|
|
4270 | void |
|
|
4271 | on_enter (SV *block) |
|
|
4272 | ALIAS: |
|
|
4273 | on_leave = 1 |
|
|
4274 | PROTOTYPE: & |
|
|
4275 | CODE: |
|
|
4276 | { |
|
|
4277 | struct coro *coro = SvSTATE_current; |
|
|
4278 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
|
|
4279 | |
|
|
4280 | block = s_get_cv_croak (block); |
|
|
4281 | |
|
|
4282 | if (!*avp) |
|
|
4283 | *avp = newAV (); |
|
|
4284 | |
|
|
4285 | av_push (*avp, SvREFCNT_inc (block)); |
|
|
4286 | |
|
|
4287 | if (!ix) |
|
|
4288 | on_enterleave_call (aTHX_ block); |
|
|
4289 | |
|
|
4290 | LEAVE; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */ |
|
|
4291 | SAVEDESTRUCTOR_X (ix ? coro_pop_on_leave : coro_pop_on_enter, (void *)coro); |
|
|
4292 | ENTER; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */ |
|
|
4293 | } |
|
|
4294 | |
3314 | |
4295 | |
3315 | MODULE = Coro::State PACKAGE = PerlIO::cede |
4296 | MODULE = Coro::State PACKAGE = PerlIO::cede |
3316 | |
4297 | |
3317 | BOOT: |
4298 | BOOT: |
3318 | PerlIO_define_layer (aTHX_ &PerlIO_cede); |
4299 | PerlIO_define_layer (aTHX_ &PerlIO_cede); |
… | |
… | |
3321 | MODULE = Coro::State PACKAGE = Coro::Semaphore |
4302 | MODULE = Coro::State PACKAGE = Coro::Semaphore |
3322 | |
4303 | |
3323 | SV * |
4304 | SV * |
3324 | new (SV *klass, SV *count = 0) |
4305 | new (SV *klass, SV *count = 0) |
3325 | CODE: |
4306 | CODE: |
|
|
4307 | { |
|
|
4308 | int semcnt = 1; |
|
|
4309 | |
|
|
4310 | if (count) |
|
|
4311 | { |
|
|
4312 | SvGETMAGIC (count); |
|
|
4313 | |
|
|
4314 | if (SvOK (count)) |
|
|
4315 | semcnt = SvIV (count); |
|
|
4316 | } |
|
|
4317 | |
3326 | RETVAL = sv_bless ( |
4318 | RETVAL = sv_bless ( |
3327 | coro_waitarray_new (aTHX_ count && SvOK (count) ? SvIV (count) : 1), |
4319 | coro_waitarray_new (aTHX_ semcnt), |
3328 | GvSTASH (CvGV (cv)) |
4320 | GvSTASH (CvGV (cv)) |
3329 | ); |
4321 | ); |
|
|
4322 | } |
3330 | OUTPUT: |
4323 | OUTPUT: |
3331 | RETVAL |
4324 | RETVAL |
3332 | |
4325 | |
3333 | # helper for Coro::Channel |
4326 | # helper for Coro::Channel and others |
3334 | SV * |
4327 | SV * |
3335 | _alloc (int count) |
4328 | _alloc (int count) |
3336 | CODE: |
4329 | CODE: |
3337 | RETVAL = coro_waitarray_new (aTHX_ count); |
4330 | RETVAL = coro_waitarray_new (aTHX_ count); |
3338 | OUTPUT: |
4331 | OUTPUT: |
… | |
… | |
3344 | RETVAL = newSVsv (AvARRAY ((AV *)SvRV (self))[0]); |
4337 | RETVAL = newSVsv (AvARRAY ((AV *)SvRV (self))[0]); |
3345 | OUTPUT: |
4338 | OUTPUT: |
3346 | RETVAL |
4339 | RETVAL |
3347 | |
4340 | |
3348 | void |
4341 | void |
3349 | up (SV *self, int adjust = 1) |
4342 | up (SV *self) |
3350 | ALIAS: |
|
|
3351 | adjust = 1 |
|
|
3352 | CODE: |
4343 | CODE: |
|
|
4344 | coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), 1); |
|
|
4345 | |
|
|
4346 | void |
|
|
4347 | adjust (SV *self, int adjust) |
|
|
4348 | CODE: |
3353 | coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), ix ? adjust : 1); |
4349 | coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), adjust); |
3354 | |
4350 | |
3355 | void |
4351 | void |
3356 | down (...) |
4352 | down (...) |
3357 | CODE: |
4353 | CODE: |
3358 | CORO_EXECUTE_SLF_XS (slf_init_semaphore_down); |
4354 | CORO_EXECUTE_SLF_XS (slf_init_semaphore_down); |
… | |
… | |
3380 | XSRETURN_NO; |
4376 | XSRETURN_NO; |
3381 | } |
4377 | } |
3382 | |
4378 | |
3383 | void |
4379 | void |
3384 | waiters (SV *self) |
4380 | waiters (SV *self) |
3385 | PPCODE: |
4381 | PPCODE: |
3386 | { |
4382 | { |
3387 | AV *av = (AV *)SvRV (self); |
4383 | AV *av = (AV *)SvRV (self); |
3388 | int wcount = AvFILLp (av) + 1 - 1; |
4384 | int wcount = AvFILLp (av) + 1 - 1; |
3389 | |
4385 | |
3390 | if (GIMME_V == G_SCALAR) |
4386 | if (GIMME_V == G_SCALAR) |
… | |
… | |
3396 | for (i = 1; i <= wcount; ++i) |
4392 | for (i = 1; i <= wcount; ++i) |
3397 | PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i]))); |
4393 | PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i]))); |
3398 | } |
4394 | } |
3399 | } |
4395 | } |
3400 | |
4396 | |
|
|
4397 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
|
|
4398 | |
|
|
4399 | void |
|
|
4400 | _may_delete (SV *sem, int count, unsigned int extra_refs) |
|
|
4401 | PPCODE: |
|
|
4402 | { |
|
|
4403 | AV *av = (AV *)SvRV (sem); |
|
|
4404 | |
|
|
4405 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
|
|
4406 | && AvFILLp (av) == 0 /* no waiters, just count */ |
|
|
4407 | && SvIV (AvARRAY (av)[0]) == count) |
|
|
4408 | XSRETURN_YES; |
|
|
4409 | |
|
|
4410 | XSRETURN_NO; |
|
|
4411 | } |
|
|
4412 | |
3401 | MODULE = Coro::State PACKAGE = Coro::Signal |
4413 | MODULE = Coro::State PACKAGE = Coro::Signal |
3402 | |
4414 | |
3403 | SV * |
4415 | SV * |
3404 | new (SV *klass) |
4416 | new (SV *klass) |
3405 | CODE: |
4417 | CODE: |
… | |
… | |
3417 | |
4429 | |
3418 | void |
4430 | void |
3419 | broadcast (SV *self) |
4431 | broadcast (SV *self) |
3420 | CODE: |
4432 | CODE: |
3421 | { |
4433 | { |
3422 | AV *av = (AV *)SvRV (self); |
4434 | AV *av = (AV *)SvRV (self); |
3423 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
4435 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
3424 | } |
4436 | } |
3425 | |
4437 | |
3426 | void |
4438 | void |
3427 | send (SV *self) |
4439 | send (SV *self) |
… | |
… | |
3435 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
4447 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
3436 | } |
4448 | } |
3437 | |
4449 | |
3438 | IV |
4450 | IV |
3439 | awaited (SV *self) |
4451 | awaited (SV *self) |
3440 | CODE: |
4452 | CODE: |
3441 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
4453 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
3442 | OUTPUT: |
4454 | OUTPUT: |
3443 | RETVAL |
4455 | RETVAL |
3444 | |
4456 | |
3445 | |
4457 | |
… | |
… | |
3450 | |
4462 | |
3451 | void |
4463 | void |
3452 | _schedule (...) |
4464 | _schedule (...) |
3453 | CODE: |
4465 | CODE: |
3454 | { |
4466 | { |
3455 | static int incede; |
4467 | static int incede; |
3456 | |
4468 | |
3457 | api_cede_notself (aTHX); |
4469 | api_cede_notself (aTHX); |
3458 | |
4470 | |
3459 | ++incede; |
4471 | ++incede; |
3460 | while (coro_nready >= incede && api_cede (aTHX)) |
4472 | while (coro_nready >= incede && api_cede (aTHX)) |
… | |
… | |
3476 | |
4488 | |
3477 | void |
4489 | void |
3478 | _register (char *target, char *proto, SV *req) |
4490 | _register (char *target, char *proto, SV *req) |
3479 | CODE: |
4491 | CODE: |
3480 | { |
4492 | { |
3481 | CV *req_cv = coro_sv_2cv (aTHX_ req); |
4493 | SV *req_cv = s_get_cv_croak (req); |
3482 | /* newXSproto doesn't return the CV on 5.8 */ |
4494 | /* newXSproto doesn't return the CV on 5.8 */ |
3483 | CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__); |
4495 | CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__); |
3484 | sv_setpv ((SV *)slf_cv, proto); |
4496 | sv_setpv ((SV *)slf_cv, proto); |
3485 | sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0); |
4497 | sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0); |
3486 | } |
4498 | } |
3487 | |
4499 | |
|
|
4500 | MODULE = Coro::State PACKAGE = Coro::Select |
|
|
4501 | |
|
|
4502 | void |
|
|
4503 | patch_pp_sselect () |
|
|
4504 | CODE: |
|
|
4505 | if (!coro_old_pp_sselect) |
|
|
4506 | { |
|
|
4507 | coro_select_select = (SV *)get_cv ("Coro::Select::select", 0); |
|
|
4508 | coro_old_pp_sselect = PL_ppaddr [OP_SSELECT]; |
|
|
4509 | PL_ppaddr [OP_SSELECT] = coro_pp_sselect; |
|
|
4510 | } |
|
|
4511 | |
|
|
4512 | void |
|
|
4513 | unpatch_pp_sselect () |
|
|
4514 | CODE: |
|
|
4515 | if (coro_old_pp_sselect) |
|
|
4516 | { |
|
|
4517 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
|
|
4518 | coro_old_pp_sselect = 0; |
|
|
4519 | } |
|
|
4520 | |
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4521 | MODULE = Coro::State PACKAGE = Coro::Util |
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4522 | |
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4523 | void |
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4524 | _exit (int code) |
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4525 | CODE: |
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4526 | _exit (code); |
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4527 | |
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4528 | NV |
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4529 | time () |
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4530 | CODE: |
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4531 | RETVAL = nvtime (aTHX); |
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4532 | OUTPUT: |
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4533 | RETVAL |
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4534 | |
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4535 | NV |
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4536 | gettimeofday () |
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4537 | PPCODE: |
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4538 | { |
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4539 | UV tv [2]; |
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4540 | u2time (aTHX_ tv); |
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4541 | EXTEND (SP, 2); |
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4542 | PUSHs (sv_2mortal (newSVuv (tv [0]))); |
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4543 | PUSHs (sv_2mortal (newSVuv (tv [1]))); |
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4544 | } |
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4545 | |