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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 SVs_PADSTALE |
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28 | # define SVs_PADSTALE 0 |
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29 | #endif |
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30 | |
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31 | #ifdef PadARRAY |
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32 | # define NEWPADAPI 1 |
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33 | # define newPADLIST(var) (Newz (0, var, 1, PADLIST), Newx (PadlistARRAY (var), 2, PAD *)) |
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34 | #else |
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35 | typedef AV PADNAMELIST; |
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36 | # if !PERL_VERSION_ATLEAST(5,8,0) |
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37 | typedef AV PADLIST; |
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38 | typedef AV PAD; |
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39 | # endif |
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40 | # define PadlistARRAY(pl) ((PAD **)AvARRAY (pl)) |
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41 | # define PadlistMAX(pl) AvFILLp (pl) |
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42 | # define PadlistNAMES(pl) (*PadlistARRAY (pl)) |
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43 | # define PadARRAY AvARRAY |
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44 | # define PadMAX AvFILLp |
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45 | # define newPADLIST(var) ((var) = newAV (), av_extend (var, 1)) |
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46 | #endif |
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47 | #ifndef PadnamelistREFCNT |
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48 | # define PadnamelistREFCNT(pnl) SvREFCNT (pnl) |
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49 | #endif |
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50 | #ifndef PadnamelistREFCNT_dec |
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51 | # define PadnamelistREFCNT_dec(pnl) SvREFCNT_dec (pnl) |
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52 | #endif |
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53 | |
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54 | /* 5.19.something has replaced SVt_BIND by SVt_INVLIST */ |
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55 | /* we just alias it to SVt_IV, as that is sufficient for swap_sv for now */ |
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56 | #if PERL_VERSION_ATLEAST(5,19,0) |
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57 | # define SVt_BIND SVt_IV |
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58 | #endif |
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59 | |
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60 | #if defined(_WIN32) |
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61 | # undef HAS_GETTIMEOFDAY |
18 | # undef setjmp |
62 | # undef setjmp |
19 | # undef longjmp |
63 | # undef longjmp |
20 | # undef _exit |
64 | # undef _exit |
21 | # define setjmp _setjmp /* deep magic */ |
65 | # define setjmp _setjmp /* deep magic */ |
22 | #else |
66 | #else |
23 | # include <inttypes.h> /* most portable stdint.h */ |
67 | # include <inttypes.h> /* most portable stdint.h */ |
24 | #endif |
68 | #endif |
25 | |
69 | |
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 */ |
70 | /* the maximum number of idle cctx that will be pooled */ |
54 | static int cctx_max_idle = 4; |
71 | static int cctx_max_idle = 4; |
55 | |
72 | |
56 | #define PERL_VERSION_ATLEAST(a,b,c) \ |
73 | #if defined(DEBUGGING) && PERL_VERSION_ATLEAST(5,12,0) |
57 | (PERL_REVISION > (a) \ |
74 | # 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 |
75 | #endif |
122 | |
76 | |
123 | /* prefer perl internal functions over our own? */ |
77 | /* prefer perl internal functions over our own? */ |
124 | #ifndef CORO_PREFER_PERL_FUNCTIONS |
78 | #ifndef CORO_PREFER_PERL_FUNCTIONS |
125 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
79 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
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135 | # define STACKLEVEL ((void *)&stacklevel) |
89 | # define STACKLEVEL ((void *)&stacklevel) |
136 | #endif |
90 | #endif |
137 | |
91 | |
138 | #define IN_DESTRUCT PL_dirty |
92 | #define IN_DESTRUCT PL_dirty |
139 | |
93 | |
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 | |
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155 | #include "CoroAPI.h" |
94 | #include "CoroAPI.h" |
156 | #define GCoroAPI (&coroapi) /* very sneaky */ |
95 | #define GCoroAPI (&coroapi) /* very sneaky */ |
157 | |
96 | |
158 | #ifdef USE_ITHREADS |
97 | #ifdef USE_ITHREADS |
159 | # if CORO_PTHREAD |
98 | # if CORO_PTHREAD |
160 | static void *coro_thx; |
99 | static void *coro_thx; |
161 | # endif |
100 | # endif |
162 | #endif |
101 | #endif |
163 | |
102 | |
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103 | #ifdef __linux |
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104 | # include <time.h> /* for timespec */ |
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105 | # include <syscall.h> /* for SYS_* */ |
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106 | # ifdef SYS_clock_gettime |
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107 | # define coro_clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
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108 | # define CORO_CLOCK_MONOTONIC 1 |
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109 | # define CORO_CLOCK_THREAD_CPUTIME_ID 3 |
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110 | # endif |
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111 | #endif |
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112 | |
164 | static double (*nvtime)(); /* so why doesn't it take void? */ |
113 | static double (*nvtime)(); /* so why doesn't it take void? */ |
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114 | static void (*u2time)(pTHX_ UV ret[2]); |
165 | |
115 | |
166 | /* we hijack an hopefully unused CV flag for our purposes */ |
116 | /* we hijack an hopefully unused CV flag for our purposes */ |
167 | #define CVf_SLF 0x4000 |
117 | #define CVf_SLF 0x4000 |
168 | static OP *pp_slf (pTHX); |
118 | static OP *pp_slf (pTHX); |
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119 | static void slf_destroy (pTHX_ struct coro *coro); |
169 | |
120 | |
170 | static U32 cctx_gen; |
121 | static U32 cctx_gen; |
171 | static size_t cctx_stacksize = CORO_STACKSIZE; |
122 | static size_t cctx_stacksize = CORO_STACKSIZE; |
172 | static struct CoroAPI coroapi; |
123 | static struct CoroAPI coroapi; |
173 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
124 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
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190 | static SV *sv_pool_size; |
141 | static SV *sv_pool_size; |
191 | static SV *sv_async_pool_idle; /* description string */ |
142 | static SV *sv_async_pool_idle; /* description string */ |
192 | static AV *av_async_pool; /* idle pool */ |
143 | static AV *av_async_pool; /* idle pool */ |
193 | static SV *sv_Coro; /* class string */ |
144 | static SV *sv_Coro; /* class string */ |
194 | static CV *cv_pool_handler; |
145 | static CV *cv_pool_handler; |
195 | static CV *cv_coro_state_new; |
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196 | |
146 | |
197 | /* Coro::AnyEvent */ |
147 | /* Coro::AnyEvent */ |
198 | static SV *sv_activity; |
148 | static SV *sv_activity; |
199 | |
149 | |
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150 | /* enable processtime/realtime profiling */ |
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151 | static char enable_times; |
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152 | typedef U32 coro_ts[2]; |
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153 | static coro_ts time_real, time_cpu; |
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154 | static char times_valid; |
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155 | |
200 | static struct coro_cctx *cctx_first; |
156 | static struct coro_cctx *cctx_first; |
201 | static int cctx_count, cctx_idle; |
157 | static int cctx_count, cctx_idle; |
202 | |
158 | |
203 | enum { |
159 | enum |
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160 | { |
204 | CC_MAPPED = 0x01, |
161 | CC_MAPPED = 0x01, |
205 | CC_NOREUSE = 0x02, /* throw this away after tracing */ |
162 | CC_NOREUSE = 0x02, /* throw this away after tracing */ |
206 | CC_TRACE = 0x04, |
163 | CC_TRACE = 0x04, |
207 | CC_TRACE_SUB = 0x08, /* trace sub calls */ |
164 | CC_TRACE_SUB = 0x08, /* trace sub calls */ |
208 | CC_TRACE_LINE = 0x10, /* trace each statement */ |
165 | CC_TRACE_LINE = 0x10, /* trace each statement */ |
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213 | typedef struct coro_cctx |
170 | typedef struct coro_cctx |
214 | { |
171 | { |
215 | struct coro_cctx *next; |
172 | struct coro_cctx *next; |
216 | |
173 | |
217 | /* the stack */ |
174 | /* the stack */ |
218 | void *sptr; |
175 | struct coro_stack stack; |
219 | size_t ssize; |
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220 | |
176 | |
221 | /* cpu state */ |
177 | /* cpu state */ |
222 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
178 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
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179 | #ifndef NDEBUG |
223 | JMPENV *idle_te; /* same as idle_sp, but for top_env, TODO: remove once stable */ |
180 | JMPENV *idle_te; /* same as idle_sp, but for top_env */ |
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181 | #endif |
224 | JMPENV *top_env; |
182 | JMPENV *top_env; |
225 | coro_context cctx; |
183 | coro_context cctx; |
226 | |
184 | |
227 | U32 gen; |
185 | U32 gen; |
228 | #if CORO_USE_VALGRIND |
186 | #if CORO_USE_VALGRIND |
229 | int valgrind_id; |
187 | int valgrind_id; |
230 | #endif |
188 | #endif |
231 | unsigned char flags; |
189 | unsigned char flags; |
232 | } coro_cctx; |
190 | } coro_cctx; |
233 | |
191 | |
234 | coro_cctx *cctx_current; /* the currently running cctx */ |
192 | static coro_cctx *cctx_current; /* the currently running cctx */ |
235 | |
193 | |
236 | /*****************************************************************************/ |
194 | /*****************************************************************************/ |
237 | |
195 | |
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196 | static MGVTBL coro_state_vtbl; |
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197 | |
238 | enum { |
198 | enum |
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199 | { |
239 | CF_RUNNING = 0x0001, /* coroutine is running */ |
200 | CF_RUNNING = 0x0001, /* coroutine is running */ |
240 | CF_READY = 0x0002, /* coroutine is ready */ |
201 | CF_READY = 0x0002, /* coroutine is ready */ |
241 | CF_NEW = 0x0004, /* has never been switched to */ |
202 | CF_NEW = 0x0004, /* has never been switched to */ |
242 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
203 | CF_ZOMBIE = 0x0008, /* coroutine data has been freed */ |
243 | CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ |
204 | CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ |
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205 | CF_NOCANCEL = 0x0020, /* cannot cancel, set slf_frame.data to 1 (hackish) */ |
244 | }; |
206 | }; |
245 | |
207 | |
246 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
208 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
247 | typedef struct |
209 | typedef struct |
248 | { |
210 | { |
249 | SV *defsv; |
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250 | AV *defav; |
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251 | SV *errsv; |
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252 | SV *irsgv; |
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253 | HV *hinthv; |
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254 | #define VAR(name,type) type name; |
211 | #define VARx(name,expr,type) type name; |
255 | # include "state.h" |
212 | #include "state.h" |
256 | #undef VAR |
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257 | } perl_slots; |
213 | } perl_slots; |
258 | |
214 | |
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215 | /* how many context stack entries do we need for perl_slots */ |
259 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
216 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
260 | |
217 | |
261 | /* this is a structure representing a perl-level coroutine */ |
218 | /* this is a structure representing a perl-level coroutine */ |
262 | struct coro { |
219 | struct coro |
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220 | { |
263 | /* the C coroutine allocated to this perl coroutine, if any */ |
221 | /* the C coroutine allocated to this perl coroutine, if any */ |
264 | coro_cctx *cctx; |
222 | coro_cctx *cctx; |
265 | |
223 | |
266 | /* ready queue */ |
224 | /* ready queue */ |
267 | struct coro *next_ready; |
225 | struct coro *next_ready; |
… | |
… | |
269 | /* state data */ |
227 | /* state data */ |
270 | struct CoroSLF slf_frame; /* saved slf frame */ |
228 | struct CoroSLF slf_frame; /* saved slf frame */ |
271 | AV *mainstack; |
229 | AV *mainstack; |
272 | perl_slots *slot; /* basically the saved sp */ |
230 | perl_slots *slot; /* basically the saved sp */ |
273 | |
231 | |
274 | CV *startcv; /* the CV to execute */ |
232 | CV *startcv; /* the CV to execute */ |
275 | AV *args; /* data associated with this coroutine (initial args) */ |
233 | AV *args; /* data associated with this coroutine (initial args) */ |
276 | int refcnt; /* coroutines are refcounted, yes */ |
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277 | int flags; /* CF_ flags */ |
234 | int flags; /* CF_ flags */ |
278 | HV *hv; /* the perl hash associated with this coro, if any */ |
235 | HV *hv; /* the perl hash associated with this coro, if any */ |
279 | void (*on_destroy)(pTHX_ struct coro *coro); |
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280 | |
236 | |
281 | /* statistics */ |
237 | /* statistics */ |
282 | int usecount; /* number of transfers to this coro */ |
238 | int usecount; /* number of transfers to this coro */ |
283 | |
239 | |
284 | /* coro process data */ |
240 | /* coro process data */ |
285 | int prio; |
241 | int prio; |
286 | SV *except; /* exception to be thrown */ |
242 | SV *except; /* exception to be thrown */ |
287 | SV *rouse_cb; |
243 | SV *rouse_cb; /* last rouse callback */ |
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244 | AV *on_destroy; /* callbacks or coros to notify on destroy */ |
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245 | AV *status; /* the exit status list */ |
288 | |
246 | |
289 | /* async_pool */ |
247 | /* async_pool */ |
290 | SV *saved_deffh; |
248 | SV *saved_deffh; |
291 | SV *invoke_cb; |
249 | SV *invoke_cb; |
292 | AV *invoke_av; |
250 | AV *invoke_av; |
293 | |
251 | |
294 | /* on_enter/on_leave */ |
252 | /* on_enter/on_leave */ |
295 | AV *on_enter; |
253 | AV *on_enter; |
296 | AV *on_leave; |
254 | AV *on_leave; |
297 | |
255 | |
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256 | /* swap_sv */ |
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257 | AV *swap_sv; |
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258 | |
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259 | /* times */ |
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260 | coro_ts t_cpu, t_real; |
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261 | |
298 | /* linked list */ |
262 | /* linked list */ |
299 | struct coro *next, *prev; |
263 | struct coro *next, *prev; |
300 | }; |
264 | }; |
301 | |
265 | |
302 | typedef struct coro *Coro__State; |
266 | typedef struct coro *Coro__State; |
303 | typedef struct coro *Coro__State_or_hashref; |
267 | typedef struct coro *Coro__State_or_hashref; |
304 | |
268 | |
305 | /* the following variables are effectively part of the perl context */ |
269 | /* the following variables are effectively part of the perl context */ |
306 | /* and get copied between struct coro and these variables */ |
270 | /* and get copied between struct coro and these variables */ |
307 | /* the mainr easonw e don't support windows process emulation */ |
271 | /* the main reason we don't support windows process emulation */ |
308 | static struct CoroSLF slf_frame; /* the current slf frame */ |
272 | static struct CoroSLF slf_frame; /* the current slf frame */ |
309 | |
273 | |
310 | /** Coro ********************************************************************/ |
274 | /** Coro ********************************************************************/ |
311 | |
275 | |
312 | #define PRIO_MAX 3 |
276 | #define CORO_PRIO_MAX 3 |
313 | #define PRIO_HIGH 1 |
277 | #define CORO_PRIO_HIGH 1 |
314 | #define PRIO_NORMAL 0 |
278 | #define CORO_PRIO_NORMAL 0 |
315 | #define PRIO_LOW -1 |
279 | #define CORO_PRIO_LOW -1 |
316 | #define PRIO_IDLE -3 |
280 | #define CORO_PRIO_IDLE -3 |
317 | #define PRIO_MIN -4 |
281 | #define CORO_PRIO_MIN -4 |
318 | |
282 | |
319 | /* for Coro.pm */ |
283 | /* for Coro.pm */ |
320 | static SV *coro_current; |
284 | static SV *coro_current; |
321 | static SV *coro_readyhook; |
285 | static SV *coro_readyhook; |
322 | static struct coro *coro_ready [PRIO_MAX - PRIO_MIN + 1][2]; /* head|tail */ |
286 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
323 | static CV *cv_coro_run, *cv_coro_terminate; |
287 | static CV *cv_coro_run; |
324 | static struct coro *coro_first; |
288 | static struct coro *coro_first; |
325 | #define coro_nready coroapi.nready |
289 | #define coro_nready coroapi.nready |
326 | |
290 | |
|
|
291 | /** JIT *********************************************************************/ |
|
|
292 | |
|
|
293 | #if CORO_JIT |
|
|
294 | /* APPLE doesn't have mmap though */ |
|
|
295 | #define CORO_JIT_UNIXY (__linux || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __solaris || __APPLE__) |
|
|
296 | #ifndef CORO_JIT_TYPE |
|
|
297 | #if ECB_AMD64 && CORO_JIT_UNIXY |
|
|
298 | #define CORO_JIT_TYPE "amd64-unix" |
|
|
299 | #elif __i386 && CORO_JIT_UNIXY |
|
|
300 | #define CORO_JIT_TYPE "x86-unix" |
|
|
301 | #endif |
|
|
302 | #endif |
|
|
303 | #endif |
|
|
304 | |
|
|
305 | #if !defined(CORO_JIT_TYPE) || _POSIX_MEMORY_PROTECTION <= 0 |
|
|
306 | #undef CORO_JIT |
|
|
307 | #endif |
|
|
308 | |
|
|
309 | #if CORO_JIT |
|
|
310 | typedef void (*load_save_perl_slots_type)(perl_slots *); |
|
|
311 | static load_save_perl_slots_type load_perl_slots, save_perl_slots; |
|
|
312 | #endif |
|
|
313 | |
|
|
314 | /** Coro::Select ************************************************************/ |
|
|
315 | |
|
|
316 | static OP *(*coro_old_pp_sselect) (pTHX); |
|
|
317 | static SV *coro_select_select; |
|
|
318 | |
|
|
319 | /* horrible hack, but if it works... */ |
|
|
320 | static OP * |
|
|
321 | coro_pp_sselect (pTHX) |
|
|
322 | { |
|
|
323 | dSP; |
|
|
324 | PUSHMARK (SP - 4); /* fake argument list */ |
|
|
325 | XPUSHs (coro_select_select); |
|
|
326 | PUTBACK; |
|
|
327 | |
|
|
328 | /* entersub is an UNOP, select a LISTOP... keep your fingers crossed */ |
|
|
329 | PL_op->op_flags |= OPf_STACKED; |
|
|
330 | PL_op->op_private = 0; |
|
|
331 | return PL_ppaddr [OP_ENTERSUB](aTHX); |
|
|
332 | } |
|
|
333 | |
|
|
334 | /** time stuff **************************************************************/ |
|
|
335 | |
|
|
336 | #ifdef HAS_GETTIMEOFDAY |
|
|
337 | |
|
|
338 | ecb_inline void |
|
|
339 | coro_u2time (pTHX_ UV ret[2]) |
|
|
340 | { |
|
|
341 | struct timeval tv; |
|
|
342 | gettimeofday (&tv, 0); |
|
|
343 | |
|
|
344 | ret [0] = tv.tv_sec; |
|
|
345 | ret [1] = tv.tv_usec; |
|
|
346 | } |
|
|
347 | |
|
|
348 | ecb_inline double |
|
|
349 | coro_nvtime (void) |
|
|
350 | { |
|
|
351 | struct timeval tv; |
|
|
352 | gettimeofday (&tv, 0); |
|
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353 | |
|
|
354 | return tv.tv_sec + tv.tv_usec * 1e-6; |
|
|
355 | } |
|
|
356 | |
|
|
357 | ecb_inline void |
|
|
358 | time_init (pTHX) |
|
|
359 | { |
|
|
360 | nvtime = coro_nvtime; |
|
|
361 | u2time = coro_u2time; |
|
|
362 | } |
|
|
363 | |
|
|
364 | #else |
|
|
365 | |
|
|
366 | ecb_inline void |
|
|
367 | time_init (pTHX) |
|
|
368 | { |
|
|
369 | SV **svp; |
|
|
370 | |
|
|
371 | require_pv ("Time/HiRes.pm"); |
|
|
372 | |
|
|
373 | svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
|
|
374 | |
|
|
375 | if (!svp) croak ("Time::HiRes is required, but missing. Caught"); |
|
|
376 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught"); |
|
|
377 | |
|
|
378 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
|
|
379 | |
|
|
380 | svp = hv_fetch (PL_modglobal, "Time::U2time", 12, 0); |
|
|
381 | u2time = INT2PTR (void (*)(pTHX_ UV ret[2]), SvIV (*svp)); |
|
|
382 | } |
|
|
383 | |
|
|
384 | #endif |
|
|
385 | |
327 | /** lowlevel stuff **********************************************************/ |
386 | /** lowlevel stuff **********************************************************/ |
328 | |
387 | |
329 | static SV * |
388 | static SV * ecb_noinline |
330 | coro_get_sv (pTHX_ const char *name, int create) |
389 | coro_get_sv (pTHX_ const char *name, int create) |
331 | { |
390 | { |
332 | #if PERL_VERSION_ATLEAST (5,10,0) |
391 | #if PERL_VERSION_ATLEAST (5,10,0) |
333 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
392 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
334 | get_sv (name, create); |
393 | get_sv (name, create); |
335 | #endif |
394 | #endif |
336 | return get_sv (name, create); |
395 | return get_sv (name, create); |
337 | } |
396 | } |
338 | |
397 | |
339 | static AV * |
398 | static AV * ecb_noinline |
340 | coro_get_av (pTHX_ const char *name, int create) |
399 | coro_get_av (pTHX_ const char *name, int create) |
341 | { |
400 | { |
342 | #if PERL_VERSION_ATLEAST (5,10,0) |
401 | #if PERL_VERSION_ATLEAST (5,10,0) |
343 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
402 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
344 | get_av (name, create); |
403 | get_av (name, create); |
345 | #endif |
404 | #endif |
346 | return get_av (name, create); |
405 | return get_av (name, create); |
347 | } |
406 | } |
348 | |
407 | |
349 | static HV * |
408 | static HV * ecb_noinline |
350 | coro_get_hv (pTHX_ const char *name, int create) |
409 | coro_get_hv (pTHX_ const char *name, int create) |
351 | { |
410 | { |
352 | #if PERL_VERSION_ATLEAST (5,10,0) |
411 | #if PERL_VERSION_ATLEAST (5,10,0) |
353 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
412 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
354 | get_hv (name, create); |
413 | get_hv (name, create); |
355 | #endif |
414 | #endif |
356 | return get_hv (name, create); |
415 | return get_hv (name, create); |
357 | } |
416 | } |
358 | |
417 | |
359 | /* may croak */ |
418 | ecb_inline void |
360 | INLINE CV * |
419 | coro_times_update (void) |
361 | coro_sv_2cv (pTHX_ SV *sv) |
|
|
362 | { |
420 | { |
363 | HV *st; |
421 | #ifdef coro_clock_gettime |
364 | GV *gvp; |
422 | struct timespec ts; |
365 | CV *cv = sv_2cv (sv, &st, &gvp, 0); |
|
|
366 | |
423 | |
367 | if (!cv) |
424 | ts.tv_sec = ts.tv_nsec = 0; |
368 | croak ("code reference expected"); |
425 | coro_clock_gettime (CORO_CLOCK_THREAD_CPUTIME_ID, &ts); |
|
|
426 | time_cpu [0] = ts.tv_sec; time_cpu [1] = ts.tv_nsec; |
369 | |
427 | |
370 | return cv; |
428 | ts.tv_sec = ts.tv_nsec = 0; |
|
|
429 | coro_clock_gettime (CORO_CLOCK_MONOTONIC, &ts); |
|
|
430 | time_real [0] = ts.tv_sec; time_real [1] = ts.tv_nsec; |
|
|
431 | #else |
|
|
432 | dTHX; |
|
|
433 | UV tv[2]; |
|
|
434 | |
|
|
435 | u2time (aTHX_ tv); |
|
|
436 | time_real [0] = tv [0]; |
|
|
437 | time_real [1] = tv [1] * 1000; |
|
|
438 | #endif |
|
|
439 | } |
|
|
440 | |
|
|
441 | ecb_inline void |
|
|
442 | coro_times_add (struct coro *c) |
|
|
443 | { |
|
|
444 | c->t_real [1] += time_real [1]; |
|
|
445 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
|
|
446 | c->t_real [0] += time_real [0]; |
|
|
447 | |
|
|
448 | c->t_cpu [1] += time_cpu [1]; |
|
|
449 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
|
|
450 | c->t_cpu [0] += time_cpu [0]; |
|
|
451 | } |
|
|
452 | |
|
|
453 | ecb_inline void |
|
|
454 | coro_times_sub (struct coro *c) |
|
|
455 | { |
|
|
456 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
|
|
457 | c->t_real [1] -= time_real [1]; |
|
|
458 | c->t_real [0] -= time_real [0]; |
|
|
459 | |
|
|
460 | if (c->t_cpu [1] < time_cpu [1]) { c->t_cpu [1] += 1000000000; --c->t_cpu [0]; } |
|
|
461 | c->t_cpu [1] -= time_cpu [1]; |
|
|
462 | c->t_cpu [0] -= time_cpu [0]; |
371 | } |
463 | } |
372 | |
464 | |
373 | /*****************************************************************************/ |
465 | /*****************************************************************************/ |
374 | /* magic glue */ |
466 | /* magic glue */ |
375 | |
467 | |
376 | #define CORO_MAGIC_type_cv 26 |
468 | #define CORO_MAGIC_type_cv 26 |
377 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
469 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
378 | |
470 | |
379 | #define CORO_MAGIC_NN(sv, type) \ |
471 | #define CORO_MAGIC_NN(sv, type) \ |
380 | (expect_true (SvMAGIC (sv)->mg_type == type) \ |
472 | (ecb_expect_true (SvMAGIC (sv)->mg_type == type) \ |
381 | ? SvMAGIC (sv) \ |
473 | ? SvMAGIC (sv) \ |
382 | : mg_find (sv, type)) |
474 | : mg_find (sv, type)) |
383 | |
475 | |
384 | #define CORO_MAGIC(sv, type) \ |
476 | #define CORO_MAGIC(sv, type) \ |
385 | (expect_true (SvMAGIC (sv)) \ |
477 | (ecb_expect_true (SvMAGIC (sv)) \ |
386 | ? CORO_MAGIC_NN (sv, type) \ |
478 | ? CORO_MAGIC_NN (sv, type) \ |
387 | : 0) |
479 | : 0) |
388 | |
480 | |
389 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
481 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
390 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
482 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
391 | |
483 | |
392 | INLINE struct coro * |
484 | ecb_inline MAGIC * |
|
|
485 | SvSTATEhv_p (pTHX_ SV *coro) |
|
|
486 | { |
|
|
487 | MAGIC *mg; |
|
|
488 | |
|
|
489 | if (ecb_expect_true ( |
|
|
490 | SvTYPE (coro) == SVt_PVHV |
|
|
491 | && (mg = CORO_MAGIC_state (coro)) |
|
|
492 | && mg->mg_virtual == &coro_state_vtbl |
|
|
493 | )) |
|
|
494 | return mg; |
|
|
495 | |
|
|
496 | return 0; |
|
|
497 | } |
|
|
498 | |
|
|
499 | ecb_inline struct coro * |
393 | SvSTATE_ (pTHX_ SV *coro) |
500 | SvSTATE_ (pTHX_ SV *coro) |
394 | { |
501 | { |
395 | HV *stash; |
|
|
396 | MAGIC *mg; |
502 | MAGIC *mg; |
397 | |
503 | |
398 | if (SvROK (coro)) |
504 | if (SvROK (coro)) |
399 | coro = SvRV (coro); |
505 | coro = SvRV (coro); |
400 | |
506 | |
401 | if (expect_false (SvTYPE (coro) != SVt_PVHV)) |
507 | mg = SvSTATEhv_p (aTHX_ coro); |
|
|
508 | if (!mg) |
402 | croak ("Coro::State object required"); |
509 | croak ("Coro::State object required"); |
403 | |
510 | |
404 | stash = SvSTASH (coro); |
|
|
405 | if (expect_false (stash != coro_stash && stash != coro_state_stash)) |
|
|
406 | { |
|
|
407 | /* very slow, but rare, check */ |
|
|
408 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
|
|
409 | croak ("Coro::State object required"); |
|
|
410 | } |
|
|
411 | |
|
|
412 | mg = CORO_MAGIC_state (coro); |
|
|
413 | return (struct coro *)mg->mg_ptr; |
511 | return (struct coro *)mg->mg_ptr; |
414 | } |
512 | } |
415 | |
513 | |
416 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
514 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
417 | |
515 | |
… | |
… | |
420 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
518 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
421 | |
519 | |
422 | /*****************************************************************************/ |
520 | /*****************************************************************************/ |
423 | /* padlist management and caching */ |
521 | /* padlist management and caching */ |
424 | |
522 | |
425 | static AV * |
523 | ecb_inline PADLIST * |
426 | coro_derive_padlist (pTHX_ CV *cv) |
524 | coro_derive_padlist (pTHX_ CV *cv) |
427 | { |
525 | { |
428 | AV *padlist = CvPADLIST (cv); |
526 | PADLIST *padlist = CvPADLIST (cv); |
429 | AV *newpadlist, *newpad; |
527 | PADLIST *newpadlist; |
|
|
528 | PADNAMELIST *padnames; |
|
|
529 | PAD *newpad; |
|
|
530 | PADOFFSET off = PadlistMAX (padlist) + 1; |
430 | |
531 | |
431 | newpadlist = newAV (); |
532 | #if NEWPADAPI |
|
|
533 | |
|
|
534 | /* if we had the original CvDEPTH, we might be able to steal the CvDEPTH+1 entry instead */ |
|
|
535 | /* 20131102194744.GA6705@schmorp.de, 20131102195825.2013.qmail@lists-nntp.develooper.com */ |
|
|
536 | while (!PadlistARRAY (padlist)[off - 1]) |
|
|
537 | --off; |
|
|
538 | |
|
|
539 | Perl_pad_push (aTHX_ padlist, off); |
|
|
540 | |
|
|
541 | newpad = PadlistARRAY (padlist)[off]; |
|
|
542 | PadlistARRAY (padlist)[off] = 0; |
|
|
543 | |
|
|
544 | #else |
|
|
545 | |
|
|
546 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
547 | Perl_pad_push (aTHX_ padlist, off); |
|
|
548 | #else |
|
|
549 | Perl_pad_push (aTHX_ padlist, off, 1); |
|
|
550 | #endif |
|
|
551 | |
|
|
552 | newpad = PadlistARRAY (padlist)[off]; |
|
|
553 | PadlistMAX (padlist) = off - 1; |
|
|
554 | |
|
|
555 | #endif |
|
|
556 | |
|
|
557 | newPADLIST (newpadlist); |
|
|
558 | #if !PERL_VERSION_ATLEAST(5,15,3) |
|
|
559 | /* Padlists are AvREAL as of 5.15.3. See perl bug #98092 and perl commit 7d953ba. */ |
432 | AvREAL_off (newpadlist); |
560 | AvREAL_off (newpadlist); |
433 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
434 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1); |
|
|
435 | #else |
|
|
436 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
|
|
437 | #endif |
561 | #endif |
438 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
|
|
439 | --AvFILLp (padlist); |
|
|
440 | |
562 | |
441 | av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0])); |
563 | /* Already extended to 2 elements by newPADLIST. */ |
442 | av_store (newpadlist, 1, (SV *)newpad); |
564 | PadlistMAX (newpadlist) = 1; |
|
|
565 | |
|
|
566 | padnames = PadlistNAMES (padlist); |
|
|
567 | ++PadnamelistREFCNT (padnames); |
|
|
568 | PadlistNAMES (newpadlist) = padnames; |
|
|
569 | |
|
|
570 | PadlistARRAY (newpadlist)[1] = newpad; |
443 | |
571 | |
444 | return newpadlist; |
572 | return newpadlist; |
445 | } |
573 | } |
446 | |
574 | |
447 | static void |
575 | ecb_inline void |
448 | free_padlist (pTHX_ AV *padlist) |
576 | free_padlist (pTHX_ PADLIST *padlist) |
449 | { |
577 | { |
450 | /* may be during global destruction */ |
578 | /* may be during global destruction */ |
451 | if (!IN_DESTRUCT) |
579 | if (!IN_DESTRUCT) |
452 | { |
580 | { |
453 | I32 i = AvFILLp (padlist); |
581 | I32 i = PadlistMAX (padlist); |
454 | |
582 | |
455 | while (i > 0) /* special-case index 0 */ |
583 | while (i > 0) /* special-case index 0 */ |
456 | { |
584 | { |
457 | /* we try to be extra-careful here */ |
585 | /* we try to be extra-careful here */ |
458 | AV *av = (AV *)AvARRAY (padlist)[i--]; |
586 | PAD *pad = PadlistARRAY (padlist)[i--]; |
459 | I32 j = AvFILLp (av); |
|
|
460 | |
587 | |
|
|
588 | if (pad) |
|
|
589 | { |
|
|
590 | I32 j = PadMAX (pad); |
|
|
591 | |
461 | while (j >= 0) |
592 | while (j >= 0) |
462 | SvREFCNT_dec (AvARRAY (av)[j--]); |
593 | SvREFCNT_dec (PadARRAY (pad)[j--]); |
463 | |
594 | |
464 | AvFILLp (av) = -1; |
595 | PadMAX (pad) = -1; |
465 | SvREFCNT_dec (av); |
596 | SvREFCNT_dec (pad); |
|
|
597 | } |
466 | } |
598 | } |
467 | |
599 | |
468 | SvREFCNT_dec (AvARRAY (padlist)[0]); |
600 | PadnamelistREFCNT_dec (PadlistNAMES (padlist)); |
469 | |
601 | |
|
|
602 | #if NEWPADAPI |
|
|
603 | Safefree (PadlistARRAY (padlist)); |
|
|
604 | Safefree (padlist); |
|
|
605 | #else |
470 | AvFILLp (padlist) = -1; |
606 | AvFILLp (padlist) = -1; |
|
|
607 | AvREAL_off (padlist); |
471 | SvREFCNT_dec ((SV*)padlist); |
608 | SvREFCNT_dec ((SV*)padlist); |
|
|
609 | #endif |
472 | } |
610 | } |
473 | } |
611 | } |
474 | |
612 | |
475 | static int |
613 | static int |
476 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
614 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
477 | { |
615 | { |
478 | AV *padlist; |
616 | PADLIST *padlist; |
479 | AV *av = (AV *)mg->mg_obj; |
617 | PADLIST **padlists = (PADLIST **)(mg->mg_ptr + sizeof(size_t)); |
|
|
618 | size_t len = *(size_t *)mg->mg_ptr; |
480 | |
619 | |
481 | /* casting is fun. */ |
620 | /* perl manages to free our internal AV and _then_ call us */ |
482 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
621 | if (IN_DESTRUCT) |
|
|
622 | return 0; |
|
|
623 | |
|
|
624 | while (len--) |
483 | free_padlist (aTHX_ padlist); |
625 | free_padlist (aTHX_ padlists[len]); |
484 | |
|
|
485 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
|
|
486 | |
626 | |
487 | return 0; |
627 | return 0; |
488 | } |
628 | } |
489 | |
629 | |
490 | static MGVTBL coro_cv_vtbl = { |
630 | static MGVTBL coro_cv_vtbl = { |
491 | 0, 0, 0, 0, |
631 | 0, 0, 0, 0, |
492 | coro_cv_free |
632 | coro_cv_free |
493 | }; |
633 | }; |
494 | |
634 | |
495 | /* the next two functions merely cache the padlists */ |
635 | /* the next two functions merely cache the padlists */ |
496 | static void |
636 | ecb_inline void |
497 | get_padlist (pTHX_ CV *cv) |
637 | get_padlist (pTHX_ CV *cv) |
498 | { |
638 | { |
499 | MAGIC *mg = CORO_MAGIC_cv (cv); |
639 | MAGIC *mg = CORO_MAGIC_cv (cv); |
500 | AV *av; |
640 | size_t *lenp; |
501 | |
641 | |
502 | if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
642 | if (ecb_expect_true (mg && *(lenp = (size_t *)mg->mg_ptr))) |
503 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
643 | CvPADLIST (cv) = ((PADLIST **)(mg->mg_ptr + sizeof(size_t)))[--*lenp]; |
504 | else |
644 | else |
505 | { |
645 | { |
506 | #if CORO_PREFER_PERL_FUNCTIONS |
646 | #if CORO_PREFER_PERL_FUNCTIONS |
507 | /* this is probably cleaner? but also slower! */ |
647 | /* this is probably cleaner? but also slower! */ |
508 | /* in practise, it seems to be less stable */ |
648 | /* in practise, it seems to be less stable */ |
… | |
… | |
514 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
654 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
515 | #endif |
655 | #endif |
516 | } |
656 | } |
517 | } |
657 | } |
518 | |
658 | |
519 | static void |
659 | ecb_inline void |
520 | put_padlist (pTHX_ CV *cv) |
660 | put_padlist (pTHX_ CV *cv) |
521 | { |
661 | { |
522 | MAGIC *mg = CORO_MAGIC_cv (cv); |
662 | MAGIC *mg = CORO_MAGIC_cv (cv); |
523 | AV *av; |
|
|
524 | |
663 | |
525 | if (expect_false (!mg)) |
664 | if (ecb_expect_false (!mg)) |
|
|
665 | { |
526 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
666 | mg = sv_magicext ((SV *)cv, 0, CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
|
|
667 | Newz (0, mg->mg_ptr ,sizeof (size_t) + sizeof (PADLIST *), char); |
|
|
668 | mg->mg_len = 1; /* so mg_free frees mg_ptr */ |
|
|
669 | } |
|
|
670 | else |
|
|
671 | Renew (mg->mg_ptr, |
|
|
672 | sizeof(size_t) + (*(size_t *)mg->mg_ptr + 1) * sizeof(PADLIST *), |
|
|
673 | char); |
527 | |
674 | |
528 | av = (AV *)mg->mg_obj; |
675 | ((PADLIST **)(mg->mg_ptr + sizeof (size_t))) [(*(size_t *)mg->mg_ptr)++] = CvPADLIST (cv); |
529 | |
|
|
530 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
|
|
531 | av_extend (av, AvFILLp (av) + 1); |
|
|
532 | |
|
|
533 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
|
|
534 | } |
676 | } |
535 | |
677 | |
536 | /** load & save, init *******************************************************/ |
678 | /** load & save, init *******************************************************/ |
|
|
679 | |
|
|
680 | ecb_inline void |
|
|
681 | swap_sv (SV *a, SV *b) |
|
|
682 | { |
|
|
683 | const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */ |
|
|
684 | SV tmp; |
|
|
685 | |
|
|
686 | /* swap sv_any */ |
|
|
687 | SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp); |
|
|
688 | |
|
|
689 | /* swap sv_flags */ |
|
|
690 | SvFLAGS (&tmp) = SvFLAGS (a); |
|
|
691 | SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep); |
|
|
692 | SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep); |
|
|
693 | |
|
|
694 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
695 | /* perl 5.10 and later complicates this _quite_ a bit, but it also |
|
|
696 | * is much faster, so no quarrels here. alternatively, we could |
|
|
697 | * sv_upgrade to avoid this. |
|
|
698 | */ |
|
|
699 | { |
|
|
700 | /* swap sv_u */ |
|
|
701 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
|
|
702 | |
|
|
703 | /* if SvANY points to the head, we need to adjust the pointers, |
|
|
704 | * as the pointer for a still points to b, and maybe vice versa. |
|
|
705 | */ |
|
|
706 | #define svany_in_head(type) \ |
|
|
707 | (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type))) |
|
|
708 | |
|
|
709 | if (svany_in_head (SvTYPE (a))) |
|
|
710 | SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a); |
|
|
711 | |
|
|
712 | if (svany_in_head (SvTYPE (b))) |
|
|
713 | SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b); |
|
|
714 | } |
|
|
715 | #endif |
|
|
716 | } |
|
|
717 | |
|
|
718 | /* swap sv heads, at least logically */ |
|
|
719 | static void |
|
|
720 | swap_svs (pTHX_ Coro__State c) |
|
|
721 | { |
|
|
722 | int i; |
|
|
723 | |
|
|
724 | for (i = 0; i <= AvFILLp (c->swap_sv); i += 2) |
|
|
725 | swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]); |
|
|
726 | } |
|
|
727 | |
|
|
728 | #define SWAP_SVS(coro) \ |
|
|
729 | if (ecb_expect_false ((coro)->swap_sv)) \ |
|
|
730 | swap_svs (aTHX_ (coro)) |
537 | |
731 | |
538 | static void |
732 | static void |
539 | on_enterleave_call (pTHX_ SV *cb); |
733 | on_enterleave_call (pTHX_ SV *cb); |
540 | |
734 | |
541 | static void |
735 | static void |
… | |
… | |
544 | perl_slots *slot = c->slot; |
738 | perl_slots *slot = c->slot; |
545 | c->slot = 0; |
739 | c->slot = 0; |
546 | |
740 | |
547 | PL_mainstack = c->mainstack; |
741 | PL_mainstack = c->mainstack; |
548 | |
742 | |
549 | GvSV (PL_defgv) = slot->defsv; |
743 | #if CORO_JIT |
550 | GvAV (PL_defgv) = slot->defav; |
744 | load_perl_slots (slot); |
551 | GvSV (PL_errgv) = slot->errsv; |
745 | #else |
552 | GvSV (irsgv) = slot->irsgv; |
|
|
553 | GvHV (PL_hintgv) = slot->hinthv; |
|
|
554 | |
|
|
555 | #define VAR(name,type) PL_ ## name = slot->name; |
746 | #define VARx(name,expr,type) expr = slot->name; |
556 | # include "state.h" |
747 | #include "state.h" |
557 | #undef VAR |
748 | #endif |
558 | |
749 | |
559 | { |
750 | { |
560 | dSP; |
751 | dSP; |
561 | |
752 | |
562 | CV *cv; |
753 | CV *cv; |
563 | |
754 | |
564 | /* now do the ugly restore mess */ |
755 | /* now do the ugly restore mess */ |
565 | while (expect_true (cv = (CV *)POPs)) |
756 | while (ecb_expect_true (cv = (CV *)POPs)) |
566 | { |
757 | { |
567 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
758 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
568 | CvDEPTH (cv) = PTR2IV (POPs); |
759 | CvDEPTH (cv) = PTR2IV (POPs); |
569 | CvPADLIST (cv) = (AV *)POPs; |
760 | CvPADLIST (cv) = (PADLIST *)POPs; |
570 | } |
761 | } |
571 | |
762 | |
572 | PUTBACK; |
763 | PUTBACK; |
573 | } |
764 | } |
574 | |
765 | |
575 | slf_frame = c->slf_frame; |
766 | slf_frame = c->slf_frame; |
576 | CORO_THROW = c->except; |
767 | CORO_THROW = c->except; |
577 | |
768 | |
|
|
769 | if (ecb_expect_false (enable_times)) |
|
|
770 | { |
|
|
771 | if (ecb_expect_false (!times_valid)) |
|
|
772 | coro_times_update (); |
|
|
773 | |
|
|
774 | coro_times_sub (c); |
|
|
775 | } |
|
|
776 | |
578 | if (expect_false (c->on_enter)) |
777 | if (ecb_expect_false (c->on_enter)) |
579 | { |
778 | { |
580 | int i; |
779 | int i; |
581 | |
780 | |
582 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
781 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
583 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
782 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
584 | } |
783 | } |
|
|
784 | |
|
|
785 | SWAP_SVS (c); |
585 | } |
786 | } |
586 | |
787 | |
587 | static void |
788 | static void |
588 | save_perl (pTHX_ Coro__State c) |
789 | save_perl (pTHX_ Coro__State c) |
589 | { |
790 | { |
|
|
791 | SWAP_SVS (c); |
|
|
792 | |
590 | if (expect_false (c->on_leave)) |
793 | if (ecb_expect_false (c->on_leave)) |
591 | { |
794 | { |
592 | int i; |
795 | int i; |
593 | |
796 | |
594 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
797 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
595 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
798 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
|
|
799 | } |
|
|
800 | |
|
|
801 | times_valid = 0; |
|
|
802 | |
|
|
803 | if (ecb_expect_false (enable_times)) |
|
|
804 | { |
|
|
805 | coro_times_update (); times_valid = 1; |
|
|
806 | coro_times_add (c); |
596 | } |
807 | } |
597 | |
808 | |
598 | c->except = CORO_THROW; |
809 | c->except = CORO_THROW; |
599 | c->slf_frame = slf_frame; |
810 | c->slf_frame = slf_frame; |
600 | |
811 | |
… | |
… | |
611 | |
822 | |
612 | XPUSHs (Nullsv); |
823 | XPUSHs (Nullsv); |
613 | /* this loop was inspired by pp_caller */ |
824 | /* this loop was inspired by pp_caller */ |
614 | for (;;) |
825 | for (;;) |
615 | { |
826 | { |
616 | while (expect_true (cxix >= 0)) |
827 | while (ecb_expect_true (cxix >= 0)) |
617 | { |
828 | { |
618 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
829 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
619 | |
830 | |
620 | if (expect_true (CxTYPE (cx) == CXt_SUB || CxTYPE (cx) == CXt_FORMAT)) |
831 | if (ecb_expect_true (CxTYPE (cx) == CXt_SUB) || ecb_expect_false (CxTYPE (cx) == CXt_FORMAT)) |
621 | { |
832 | { |
622 | CV *cv = cx->blk_sub.cv; |
833 | CV *cv = cx->blk_sub.cv; |
623 | |
834 | |
624 | if (expect_true (CvDEPTH (cv))) |
835 | if (ecb_expect_true (CvDEPTH (cv))) |
625 | { |
836 | { |
626 | EXTEND (SP, 3); |
837 | EXTEND (SP, 3); |
627 | PUSHs ((SV *)CvPADLIST (cv)); |
838 | PUSHs ((SV *)CvPADLIST (cv)); |
628 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
839 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
629 | PUSHs ((SV *)cv); |
840 | PUSHs ((SV *)cv); |
… | |
… | |
632 | get_padlist (aTHX_ cv); |
843 | get_padlist (aTHX_ cv); |
633 | } |
844 | } |
634 | } |
845 | } |
635 | } |
846 | } |
636 | |
847 | |
637 | if (expect_true (top_si->si_type == PERLSI_MAIN)) |
848 | if (ecb_expect_true (top_si->si_type == PERLSI_MAIN)) |
638 | break; |
849 | break; |
639 | |
850 | |
640 | top_si = top_si->si_prev; |
851 | top_si = top_si->si_prev; |
641 | ccstk = top_si->si_cxstack; |
852 | ccstk = top_si->si_cxstack; |
642 | cxix = top_si->si_cxix; |
853 | cxix = top_si->si_cxix; |
… | |
… | |
644 | |
855 | |
645 | PUTBACK; |
856 | PUTBACK; |
646 | } |
857 | } |
647 | |
858 | |
648 | /* allocate some space on the context stack for our purposes */ |
859 | /* allocate some space on the context stack for our purposes */ |
649 | /* we manually unroll here, as usually 2 slots is enough */ |
860 | if (ecb_expect_false (cxstack_ix + (int)SLOT_COUNT >= cxstack_max)) |
650 | if (SLOT_COUNT >= 1) CXINC; |
|
|
651 | if (SLOT_COUNT >= 2) CXINC; |
|
|
652 | if (SLOT_COUNT >= 3) CXINC; |
|
|
653 | { |
861 | { |
654 | int i; |
862 | unsigned int i; |
|
|
863 | |
655 | for (i = 3; i < SLOT_COUNT; ++i) |
864 | for (i = 0; i < SLOT_COUNT; ++i) |
656 | CXINC; |
865 | CXINC; |
657 | } |
866 | |
658 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
867 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
|
|
868 | } |
659 | |
869 | |
660 | c->mainstack = PL_mainstack; |
870 | c->mainstack = PL_mainstack; |
661 | |
871 | |
662 | { |
872 | { |
663 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
873 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
664 | |
874 | |
665 | slot->defav = GvAV (PL_defgv); |
875 | #if CORO_JIT |
666 | slot->defsv = DEFSV; |
876 | save_perl_slots (slot); |
667 | slot->errsv = ERRSV; |
877 | #else |
668 | slot->irsgv = GvSV (irsgv); |
|
|
669 | slot->hinthv = GvHV (PL_hintgv); |
|
|
670 | |
|
|
671 | #define VAR(name,type) slot->name = PL_ ## name; |
878 | #define VARx(name,expr,type) slot->name = expr; |
672 | # include "state.h" |
879 | #include "state.h" |
673 | #undef VAR |
880 | #endif |
674 | } |
881 | } |
675 | } |
882 | } |
676 | |
883 | |
677 | /* |
884 | /* |
678 | * allocate various perl stacks. This is almost an exact copy |
885 | * allocate various perl stacks. This is almost an exact copy |
… | |
… | |
684 | # define coro_init_stacks(thx) init_stacks () |
891 | # define coro_init_stacks(thx) init_stacks () |
685 | #else |
892 | #else |
686 | static void |
893 | static void |
687 | coro_init_stacks (pTHX) |
894 | coro_init_stacks (pTHX) |
688 | { |
895 | { |
689 | PL_curstackinfo = new_stackinfo(32, 8); |
896 | PL_curstackinfo = new_stackinfo(32, 4 + SLOT_COUNT); /* 3 is minimum due to perl rounding down in scope.c:GROW() */ |
690 | PL_curstackinfo->si_type = PERLSI_MAIN; |
897 | PL_curstackinfo->si_type = PERLSI_MAIN; |
691 | PL_curstack = PL_curstackinfo->si_stack; |
898 | PL_curstack = PL_curstackinfo->si_stack; |
692 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
899 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
693 | |
900 | |
694 | PL_stack_base = AvARRAY(PL_curstack); |
901 | PL_stack_base = AvARRAY(PL_curstack); |
… | |
… | |
709 | #endif |
916 | #endif |
710 | |
917 | |
711 | New(54,PL_scopestack,8,I32); |
918 | New(54,PL_scopestack,8,I32); |
712 | PL_scopestack_ix = 0; |
919 | PL_scopestack_ix = 0; |
713 | PL_scopestack_max = 8; |
920 | PL_scopestack_max = 8; |
|
|
921 | #if HAS_SCOPESTACK_NAME |
|
|
922 | New(54,PL_scopestack_name,8,const char*); |
|
|
923 | #endif |
714 | |
924 | |
715 | New(54,PL_savestack,24,ANY); |
925 | New(54,PL_savestack,24,ANY); |
716 | PL_savestack_ix = 0; |
926 | PL_savestack_ix = 0; |
717 | PL_savestack_max = 24; |
927 | PL_savestack_max = 24; |
718 | |
928 | |
… | |
… | |
746 | } |
956 | } |
747 | |
957 | |
748 | Safefree (PL_tmps_stack); |
958 | Safefree (PL_tmps_stack); |
749 | Safefree (PL_markstack); |
959 | Safefree (PL_markstack); |
750 | Safefree (PL_scopestack); |
960 | Safefree (PL_scopestack); |
|
|
961 | #if HAS_SCOPESTACK_NAME |
|
|
962 | Safefree (PL_scopestack_name); |
|
|
963 | #endif |
751 | Safefree (PL_savestack); |
964 | Safefree (PL_savestack); |
752 | #if !PERL_VERSION_ATLEAST (5,10,0) |
965 | #if !PERL_VERSION_ATLEAST (5,10,0) |
753 | Safefree (PL_retstack); |
966 | Safefree (PL_retstack); |
754 | #endif |
967 | #endif |
755 | } |
968 | } |
… | |
… | |
801 | #endif |
1014 | #endif |
802 | |
1015 | |
803 | /* |
1016 | /* |
804 | * This overrides the default magic get method of %SIG elements. |
1017 | * This overrides the default magic get method of %SIG elements. |
805 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
1018 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
806 | * and instead of trying to save and restore the hash elements, we just provide |
1019 | * and instead of trying to save and restore the hash elements (extremely slow), |
807 | * readback here. |
1020 | * we just provide our own readback here. |
808 | */ |
1021 | */ |
809 | static int |
1022 | static int ecb_cold |
810 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
1023 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
811 | { |
1024 | { |
812 | const char *s = MgPV_nolen_const (mg); |
1025 | const char *s = MgPV_nolen_const (mg); |
813 | |
1026 | |
814 | if (*s == '_') |
1027 | if (*s == '_') |
815 | { |
1028 | { |
816 | SV **svp = 0; |
1029 | SV **svp = 0; |
817 | |
1030 | |
818 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
1031 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
819 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
1032 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
820 | |
1033 | |
821 | if (svp) |
1034 | if (svp) |
822 | { |
1035 | { |
823 | sv_setsv (sv, *svp ? *svp : &PL_sv_undef); |
1036 | SV *ssv; |
|
|
1037 | |
|
|
1038 | if (!*svp) |
|
|
1039 | ssv = &PL_sv_undef; |
|
|
1040 | else if (SvTYPE (*svp) == SVt_PVCV) /* perlio directly stores a CV in warnhook. ugh. */ |
|
|
1041 | ssv = sv_2mortal (newRV_inc (*svp)); |
|
|
1042 | else |
|
|
1043 | ssv = *svp; |
|
|
1044 | |
|
|
1045 | sv_setsv (sv, ssv); |
824 | return 0; |
1046 | return 0; |
825 | } |
1047 | } |
826 | } |
1048 | } |
827 | |
1049 | |
828 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
1050 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
829 | } |
1051 | } |
830 | |
1052 | |
831 | static int |
1053 | static int ecb_cold |
832 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
1054 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
833 | { |
1055 | { |
834 | const char *s = MgPV_nolen_const (mg); |
1056 | const char *s = MgPV_nolen_const (mg); |
835 | |
1057 | |
836 | if (*s == '_') |
1058 | if (*s == '_') |
… | |
… | |
850 | } |
1072 | } |
851 | |
1073 | |
852 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
1074 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
853 | } |
1075 | } |
854 | |
1076 | |
855 | static int |
1077 | static int ecb_cold |
856 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
1078 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
857 | { |
1079 | { |
858 | const char *s = MgPV_nolen_const (mg); |
1080 | const char *s = MgPV_nolen_const (mg); |
859 | |
1081 | |
860 | if (*s == '_') |
1082 | if (*s == '_') |
… | |
… | |
893 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
1115 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
894 | { |
1116 | { |
895 | return 1; |
1117 | return 1; |
896 | } |
1118 | } |
897 | |
1119 | |
898 | static UNOP coro_setup_op; |
1120 | static UNOP init_perl_op; |
899 | |
1121 | |
900 | static void NOINLINE /* noinline to keep it out of the transfer fast path */ |
1122 | ecb_noinline static void /* noinline to keep it out of the transfer fast path */ |
901 | coro_setup (pTHX_ struct coro *coro) |
1123 | init_perl (pTHX_ struct coro *coro) |
902 | { |
1124 | { |
903 | /* |
1125 | /* |
904 | * emulate part of the perl startup here. |
1126 | * emulate part of the perl startup here. |
905 | */ |
1127 | */ |
906 | coro_init_stacks (aTHX); |
1128 | coro_init_stacks (aTHX); |
… | |
… | |
913 | PL_comppad_name_fill = 0; |
1135 | PL_comppad_name_fill = 0; |
914 | PL_comppad_name_floor = 0; |
1136 | PL_comppad_name_floor = 0; |
915 | PL_curpm = 0; |
1137 | PL_curpm = 0; |
916 | PL_curpad = 0; |
1138 | PL_curpad = 0; |
917 | PL_localizing = 0; |
1139 | PL_localizing = 0; |
918 | PL_dirty = 0; |
|
|
919 | PL_restartop = 0; |
1140 | PL_restartop = 0; |
920 | #if PERL_VERSION_ATLEAST (5,10,0) |
1141 | #if PERL_VERSION_ATLEAST (5,10,0) |
921 | PL_parser = 0; |
1142 | PL_parser = 0; |
922 | #endif |
1143 | #endif |
923 | PL_hints = 0; |
1144 | PL_hints = 0; |
924 | |
1145 | |
925 | /* recreate the die/warn hooks */ |
1146 | /* recreate the die/warn hooks */ |
926 | PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); |
1147 | PL_diehook = SvREFCNT_inc (rv_diehook); |
927 | PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); |
1148 | PL_warnhook = SvREFCNT_inc (rv_warnhook); |
928 | |
1149 | |
929 | GvSV (PL_defgv) = newSV (0); |
1150 | GvSV (PL_defgv) = newSV (0); |
930 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1151 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
931 | GvSV (PL_errgv) = newSV (0); |
1152 | GvSV (PL_errgv) = newSV (0); |
932 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
1153 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
933 | GvHV (PL_hintgv) = 0; |
1154 | GvHV (PL_hintgv) = newHV (); |
|
|
1155 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
1156 | hv_magic (GvHV (PL_hintgv), 0, PERL_MAGIC_hints); |
|
|
1157 | #endif |
934 | PL_rs = newSVsv (GvSV (irsgv)); |
1158 | PL_rs = newSVsv (GvSV (irsgv)); |
935 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
1159 | PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); |
936 | |
1160 | |
937 | { |
1161 | { |
938 | dSP; |
1162 | dSP; |
… | |
… | |
953 | /* this newly created coroutine might be run on an existing cctx which most |
1177 | /* this newly created coroutine might be run on an existing cctx which most |
954 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
1178 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
955 | */ |
1179 | */ |
956 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
1180 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
957 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
1181 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
|
|
1182 | slf_frame.destroy = 0; |
958 | |
1183 | |
959 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
1184 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
960 | coro_setup_op.op_next = PL_op; |
1185 | init_perl_op.op_next = PL_op; |
961 | coro_setup_op.op_type = OP_ENTERSUB; |
1186 | init_perl_op.op_type = OP_ENTERSUB; |
962 | coro_setup_op.op_ppaddr = pp_slf; |
1187 | init_perl_op.op_ppaddr = pp_slf; |
963 | /* no flags etc. required, as an init function won't be called */ |
1188 | /* no flags etc. required, as an init function won't be called */ |
964 | |
1189 | |
965 | PL_op = (OP *)&coro_setup_op; |
1190 | PL_op = (OP *)&init_perl_op; |
966 | |
1191 | |
967 | /* copy throw, in case it was set before coro_setup */ |
1192 | /* copy throw, in case it was set before init_perl */ |
968 | CORO_THROW = coro->except; |
1193 | CORO_THROW = coro->except; |
|
|
1194 | |
|
|
1195 | SWAP_SVS (coro); |
|
|
1196 | |
|
|
1197 | if (ecb_expect_false (enable_times)) |
|
|
1198 | { |
|
|
1199 | coro_times_update (); |
|
|
1200 | coro_times_sub (coro); |
|
|
1201 | } |
969 | } |
1202 | } |
970 | |
1203 | |
971 | static void |
1204 | static void |
972 | coro_unwind_stacks (pTHX) |
1205 | coro_unwind_stacks (pTHX) |
973 | { |
1206 | { |
… | |
… | |
988 | dounwind (-1); |
1221 | dounwind (-1); |
989 | } |
1222 | } |
990 | } |
1223 | } |
991 | |
1224 | |
992 | static void |
1225 | static void |
993 | coro_destruct_perl (pTHX_ struct coro *coro) |
1226 | destroy_perl (pTHX_ struct coro *coro) |
994 | { |
1227 | { |
|
|
1228 | SV *svf [9]; |
|
|
1229 | |
|
|
1230 | { |
|
|
1231 | SV *old_current = SvRV (coro_current); |
|
|
1232 | struct coro *current = SvSTATE (old_current); |
|
|
1233 | |
|
|
1234 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
|
|
1235 | |
|
|
1236 | save_perl (aTHX_ current); |
|
|
1237 | |
|
|
1238 | /* this will cause transfer_check to croak on block*/ |
|
|
1239 | SvRV_set (coro_current, (SV *)coro->hv); |
|
|
1240 | |
|
|
1241 | load_perl (aTHX_ coro); |
|
|
1242 | |
995 | coro_unwind_stacks (aTHX); |
1243 | coro_unwind_stacks (aTHX); |
996 | |
1244 | |
997 | SvREFCNT_dec (GvSV (PL_defgv)); |
1245 | /* restore swapped sv's */ |
998 | SvREFCNT_dec (GvAV (PL_defgv)); |
1246 | SWAP_SVS (coro); |
999 | SvREFCNT_dec (GvSV (PL_errgv)); |
|
|
1000 | SvREFCNT_dec (PL_defoutgv); |
|
|
1001 | SvREFCNT_dec (PL_rs); |
|
|
1002 | SvREFCNT_dec (GvSV (irsgv)); |
|
|
1003 | SvREFCNT_dec (GvHV (PL_hintgv)); |
|
|
1004 | |
1247 | |
1005 | SvREFCNT_dec (PL_diehook); |
1248 | coro_destruct_stacks (aTHX); |
1006 | SvREFCNT_dec (PL_warnhook); |
1249 | |
|
|
1250 | /* now save some sv's to be free'd later */ |
|
|
1251 | svf [0] = GvSV (PL_defgv); |
|
|
1252 | svf [1] = (SV *)GvAV (PL_defgv); |
|
|
1253 | svf [2] = GvSV (PL_errgv); |
|
|
1254 | svf [3] = (SV *)PL_defoutgv; |
|
|
1255 | svf [4] = PL_rs; |
|
|
1256 | svf [5] = GvSV (irsgv); |
|
|
1257 | svf [6] = (SV *)GvHV (PL_hintgv); |
|
|
1258 | svf [7] = PL_diehook; |
|
|
1259 | svf [8] = PL_warnhook; |
|
|
1260 | assert (9 == sizeof (svf) / sizeof (*svf)); |
|
|
1261 | |
|
|
1262 | SvRV_set (coro_current, old_current); |
|
|
1263 | |
|
|
1264 | load_perl (aTHX_ current); |
1007 | |
1265 | } |
|
|
1266 | |
|
|
1267 | { |
|
|
1268 | unsigned int i; |
|
|
1269 | |
|
|
1270 | for (i = 0; i < sizeof (svf) / sizeof (*svf); ++i) |
|
|
1271 | SvREFCNT_dec (svf [i]); |
|
|
1272 | |
1008 | SvREFCNT_dec (coro->saved_deffh); |
1273 | SvREFCNT_dec (coro->saved_deffh); |
1009 | SvREFCNT_dec (coro->rouse_cb); |
1274 | SvREFCNT_dec (coro->rouse_cb); |
1010 | SvREFCNT_dec (coro->invoke_cb); |
1275 | SvREFCNT_dec (coro->invoke_cb); |
1011 | SvREFCNT_dec (coro->invoke_av); |
1276 | SvREFCNT_dec (coro->invoke_av); |
1012 | |
1277 | } |
1013 | coro_destruct_stacks (aTHX); |
|
|
1014 | } |
1278 | } |
1015 | |
1279 | |
1016 | INLINE void |
1280 | ecb_inline void |
1017 | free_coro_mortal (pTHX) |
1281 | free_coro_mortal (pTHX) |
1018 | { |
1282 | { |
1019 | if (expect_true (coro_mortal)) |
1283 | if (ecb_expect_true (coro_mortal)) |
1020 | { |
1284 | { |
1021 | SvREFCNT_dec (coro_mortal); |
1285 | SvREFCNT_dec ((SV *)coro_mortal); |
1022 | coro_mortal = 0; |
1286 | coro_mortal = 0; |
1023 | } |
1287 | } |
1024 | } |
1288 | } |
1025 | |
1289 | |
1026 | static int |
1290 | static int |
… | |
… | |
1080 | |
1344 | |
1081 | if (PL_curcop != &PL_compiling) |
1345 | if (PL_curcop != &PL_compiling) |
1082 | { |
1346 | { |
1083 | SV **cb; |
1347 | SV **cb; |
1084 | |
1348 | |
1085 | if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB) |
1349 | if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB && cxstack_ix >= 0) |
1086 | { |
1350 | { |
1087 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1351 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1088 | |
1352 | |
1089 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
1353 | if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) |
1090 | { |
1354 | { |
… | |
… | |
1159 | |
1423 | |
1160 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1424 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1161 | } |
1425 | } |
1162 | |
1426 | |
1163 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1427 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1164 | static void NOINLINE |
1428 | static void ecb_noinline |
1165 | cctx_prepare (pTHX) |
1429 | cctx_prepare (pTHX) |
1166 | { |
1430 | { |
1167 | PL_top_env = &PL_start_env; |
1431 | PL_top_env = &PL_start_env; |
1168 | |
1432 | |
1169 | if (cctx_current->flags & CC_TRACE) |
1433 | if (cctx_current->flags & CC_TRACE) |
… | |
… | |
1180 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1444 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1181 | slf_frame.check = slf_check_set_stacklevel; |
1445 | slf_frame.check = slf_check_set_stacklevel; |
1182 | } |
1446 | } |
1183 | |
1447 | |
1184 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1448 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1185 | INLINE void |
1449 | ecb_inline void |
1186 | transfer_tail (pTHX) |
1450 | transfer_tail (pTHX) |
1187 | { |
1451 | { |
1188 | free_coro_mortal (aTHX); |
1452 | free_coro_mortal (aTHX); |
|
|
1453 | } |
|
|
1454 | |
|
|
1455 | /* try to exit the same way perl's main function would do */ |
|
|
1456 | /* we do not bother resetting the environment or other things *7 |
|
|
1457 | /* that are not, uhm, essential */ |
|
|
1458 | /* this obviously also doesn't work when perl is embedded */ |
|
|
1459 | static void ecb_noinline ecb_cold |
|
|
1460 | perlish_exit (pTHX) |
|
|
1461 | { |
|
|
1462 | int exitstatus = perl_destruct (PL_curinterp); |
|
|
1463 | perl_free (PL_curinterp); |
|
|
1464 | exit (exitstatus); |
1189 | } |
1465 | } |
1190 | |
1466 | |
1191 | /* |
1467 | /* |
1192 | * this is a _very_ stripped down perl interpreter ;) |
1468 | * this is a _very_ stripped down perl interpreter ;) |
1193 | */ |
1469 | */ |
… | |
… | |
1215 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1491 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1216 | PL_restartop = PL_op; |
1492 | PL_restartop = PL_op; |
1217 | perl_run (PL_curinterp); |
1493 | perl_run (PL_curinterp); |
1218 | /* |
1494 | /* |
1219 | * Unfortunately, there is no way to get at the return values of the |
1495 | * Unfortunately, there is no way to get at the return values of the |
1220 | * coro body here, as perl_run destroys these |
1496 | * coro body here, as perl_run destroys these. Likewise, we cannot catch |
|
|
1497 | * runtime errors here, as this is just a random interpreter, not a thread. |
1221 | */ |
1498 | */ |
1222 | |
1499 | |
1223 | /* |
1500 | /* |
1224 | * If perl-run returns we assume exit() was being called or the coro |
1501 | * If perl-run returns we assume exit() was being called or the coro |
1225 | * fell off the end, which seems to be the only valid (non-bug) |
1502 | * fell off the end, which seems to be the only valid (non-bug) |
1226 | * reason for perl_run to return. We try to exit by jumping to the |
1503 | * reason for perl_run to return. We try to mimic whatever perl is normally |
1227 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1504 | * doing in that case. YMMV. |
1228 | * coroutine as Coro has no such concept. |
|
|
1229 | * This actually isn't valid with the pthread backend, but OSes requiring |
|
|
1230 | * that backend are too broken to do it in a standards-compliant way. |
|
|
1231 | */ |
1505 | */ |
1232 | PL_top_env = main_top_env; |
1506 | perlish_exit (aTHX); |
1233 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
|
|
1234 | } |
1507 | } |
1235 | } |
1508 | } |
1236 | |
1509 | |
1237 | static coro_cctx * |
1510 | static coro_cctx * |
1238 | cctx_new () |
1511 | cctx_new (void) |
1239 | { |
1512 | { |
1240 | coro_cctx *cctx; |
1513 | coro_cctx *cctx; |
1241 | |
1514 | |
1242 | ++cctx_count; |
1515 | ++cctx_count; |
1243 | New (0, cctx, 1, coro_cctx); |
1516 | New (0, cctx, 1, coro_cctx); |
… | |
… | |
1249 | return cctx; |
1522 | return cctx; |
1250 | } |
1523 | } |
1251 | |
1524 | |
1252 | /* create a new cctx only suitable as source */ |
1525 | /* create a new cctx only suitable as source */ |
1253 | static coro_cctx * |
1526 | static coro_cctx * |
1254 | cctx_new_empty () |
1527 | cctx_new_empty (void) |
1255 | { |
1528 | { |
1256 | coro_cctx *cctx = cctx_new (); |
1529 | coro_cctx *cctx = cctx_new (); |
1257 | |
1530 | |
1258 | cctx->sptr = 0; |
1531 | cctx->stack.sptr = 0; |
1259 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
1532 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
1260 | |
1533 | |
1261 | return cctx; |
1534 | return cctx; |
1262 | } |
1535 | } |
1263 | |
1536 | |
1264 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1537 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1265 | static coro_cctx * |
1538 | static coro_cctx * |
1266 | cctx_new_run () |
1539 | cctx_new_run (void) |
1267 | { |
1540 | { |
1268 | coro_cctx *cctx = cctx_new (); |
1541 | coro_cctx *cctx = cctx_new (); |
1269 | void *stack_start; |
|
|
1270 | size_t stack_size; |
|
|
1271 | |
1542 | |
1272 | #if HAVE_MMAP |
1543 | if (!coro_stack_alloc (&cctx->stack, cctx_stacksize)) |
1273 | cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
|
|
1274 | /* mmap supposedly does allocate-on-write for us */ |
|
|
1275 | cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
|
|
1276 | |
|
|
1277 | if (cctx->sptr != (void *)-1) |
|
|
1278 | { |
|
|
1279 | #if CORO_STACKGUARD |
|
|
1280 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
|
|
1281 | #endif |
|
|
1282 | stack_start = (char *)cctx->sptr + CORO_STACKGUARD * PAGESIZE; |
|
|
1283 | stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE; |
|
|
1284 | cctx->flags |= CC_MAPPED; |
|
|
1285 | } |
1544 | { |
1286 | else |
|
|
1287 | #endif |
|
|
1288 | { |
|
|
1289 | cctx->ssize = cctx_stacksize * (long)sizeof (long); |
|
|
1290 | New (0, cctx->sptr, cctx_stacksize, long); |
|
|
1291 | |
|
|
1292 | if (!cctx->sptr) |
|
|
1293 | { |
|
|
1294 | perror ("FATAL: unable to allocate stack for coroutine, exiting."); |
1545 | perror ("FATAL: unable to allocate stack for coroutine, exiting."); |
1295 | _exit (EXIT_FAILURE); |
1546 | _exit (EXIT_FAILURE); |
1296 | } |
|
|
1297 | |
|
|
1298 | stack_start = cctx->sptr; |
|
|
1299 | stack_size = cctx->ssize; |
|
|
1300 | } |
1547 | } |
1301 | |
1548 | |
1302 | #if CORO_USE_VALGRIND |
|
|
1303 | cctx->valgrind_id = VALGRIND_STACK_REGISTER ((char *)stack_start, (char *)stack_start + stack_size); |
|
|
1304 | #endif |
|
|
1305 | |
|
|
1306 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size); |
1549 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, cctx->stack.sptr, cctx->stack.ssze); |
1307 | |
1550 | |
1308 | return cctx; |
1551 | return cctx; |
1309 | } |
1552 | } |
1310 | |
1553 | |
1311 | static void |
1554 | static void |
1312 | cctx_destroy (coro_cctx *cctx) |
1555 | cctx_destroy (coro_cctx *cctx) |
1313 | { |
1556 | { |
1314 | if (!cctx) |
1557 | if (!cctx) |
1315 | return; |
1558 | return; |
1316 | |
1559 | |
1317 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));//D temporary? |
1560 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current)); |
1318 | |
1561 | |
1319 | --cctx_count; |
1562 | --cctx_count; |
1320 | coro_destroy (&cctx->cctx); |
1563 | coro_destroy (&cctx->cctx); |
1321 | |
1564 | |
1322 | /* coro_transfer creates new, empty cctx's */ |
1565 | coro_stack_free (&cctx->stack); |
1323 | if (cctx->sptr) |
|
|
1324 | { |
|
|
1325 | #if CORO_USE_VALGRIND |
|
|
1326 | VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); |
|
|
1327 | #endif |
|
|
1328 | |
|
|
1329 | #if HAVE_MMAP |
|
|
1330 | if (cctx->flags & CC_MAPPED) |
|
|
1331 | munmap (cctx->sptr, cctx->ssize); |
|
|
1332 | else |
|
|
1333 | #endif |
|
|
1334 | Safefree (cctx->sptr); |
|
|
1335 | } |
|
|
1336 | |
1566 | |
1337 | Safefree (cctx); |
1567 | Safefree (cctx); |
1338 | } |
1568 | } |
1339 | |
1569 | |
1340 | /* wether this cctx should be destructed */ |
1570 | /* wether this cctx should be destructed */ |
1341 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1571 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1342 | |
1572 | |
1343 | static coro_cctx * |
1573 | static coro_cctx * |
1344 | cctx_get (pTHX) |
1574 | cctx_get (pTHX) |
1345 | { |
1575 | { |
1346 | while (expect_true (cctx_first)) |
1576 | while (ecb_expect_true (cctx_first)) |
1347 | { |
1577 | { |
1348 | coro_cctx *cctx = cctx_first; |
1578 | coro_cctx *cctx = cctx_first; |
1349 | cctx_first = cctx->next; |
1579 | cctx_first = cctx->next; |
1350 | --cctx_idle; |
1580 | --cctx_idle; |
1351 | |
1581 | |
1352 | if (expect_true (!CCTX_EXPIRED (cctx))) |
1582 | if (ecb_expect_true (!CCTX_EXPIRED (cctx))) |
1353 | return cctx; |
1583 | return cctx; |
1354 | |
1584 | |
1355 | cctx_destroy (cctx); |
1585 | cctx_destroy (cctx); |
1356 | } |
1586 | } |
1357 | |
1587 | |
… | |
… | |
1359 | } |
1589 | } |
1360 | |
1590 | |
1361 | static void |
1591 | static void |
1362 | cctx_put (coro_cctx *cctx) |
1592 | cctx_put (coro_cctx *cctx) |
1363 | { |
1593 | { |
1364 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr)); |
1594 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->stack.sptr)); |
1365 | |
1595 | |
1366 | /* free another cctx if overlimit */ |
1596 | /* free another cctx if overlimit */ |
1367 | if (expect_false (cctx_idle >= cctx_max_idle)) |
1597 | if (ecb_expect_false (cctx_idle >= cctx_max_idle)) |
1368 | { |
1598 | { |
1369 | coro_cctx *first = cctx_first; |
1599 | coro_cctx *first = cctx_first; |
1370 | cctx_first = first->next; |
1600 | cctx_first = first->next; |
1371 | --cctx_idle; |
1601 | --cctx_idle; |
1372 | |
1602 | |
… | |
… | |
1383 | static void |
1613 | static void |
1384 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1614 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1385 | { |
1615 | { |
1386 | /* TODO: throwing up here is considered harmful */ |
1616 | /* TODO: throwing up here is considered harmful */ |
1387 | |
1617 | |
1388 | if (expect_true (prev != next)) |
1618 | if (ecb_expect_true (prev != next)) |
1389 | { |
1619 | { |
1390 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1620 | if (ecb_expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1391 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1621 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1392 | |
1622 | |
1393 | if (expect_false (next->flags & (CF_RUNNING | CF_DESTROYED | CF_SUSPENDED))) |
1623 | if (ecb_expect_false (next->flags & (CF_RUNNING | CF_ZOMBIE | CF_SUSPENDED))) |
1394 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1624 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1395 | |
1625 | |
1396 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1626 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1397 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1627 | if (ecb_expect_false (PL_lex_state != LEX_NOTPARSING)) |
1398 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1628 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1399 | #endif |
1629 | #endif |
1400 | } |
1630 | } |
1401 | } |
1631 | } |
1402 | |
1632 | |
1403 | /* always use the TRANSFER macro */ |
1633 | /* always use the TRANSFER macro */ |
1404 | static void NOINLINE /* noinline so we have a fixed stackframe */ |
1634 | static void ecb_noinline /* noinline so we have a fixed stackframe */ |
1405 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1635 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1406 | { |
1636 | { |
1407 | dSTACKLEVEL; |
1637 | dSTACKLEVEL; |
1408 | |
1638 | |
1409 | /* sometimes transfer is only called to set idle_sp */ |
1639 | /* sometimes transfer is only called to set idle_sp */ |
1410 | if (expect_false (!prev)) |
1640 | if (ecb_expect_false (!prev)) |
1411 | { |
1641 | { |
1412 | cctx_current->idle_sp = STACKLEVEL; |
1642 | cctx_current->idle_sp = STACKLEVEL; |
1413 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1643 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1414 | } |
1644 | } |
1415 | else if (expect_true (prev != next)) |
1645 | else if (ecb_expect_true (prev != next)) |
1416 | { |
1646 | { |
1417 | coro_cctx *cctx_prev; |
1647 | coro_cctx *cctx_prev; |
1418 | |
1648 | |
1419 | if (expect_false (prev->flags & CF_NEW)) |
1649 | if (ecb_expect_false (prev->flags & CF_NEW)) |
1420 | { |
1650 | { |
1421 | /* create a new empty/source context */ |
1651 | /* create a new empty/source context */ |
1422 | prev->flags &= ~CF_NEW; |
1652 | prev->flags &= ~CF_NEW; |
1423 | prev->flags |= CF_RUNNING; |
1653 | prev->flags |= CF_RUNNING; |
1424 | } |
1654 | } |
… | |
… | |
1427 | next->flags |= CF_RUNNING; |
1657 | next->flags |= CF_RUNNING; |
1428 | |
1658 | |
1429 | /* first get rid of the old state */ |
1659 | /* first get rid of the old state */ |
1430 | save_perl (aTHX_ prev); |
1660 | save_perl (aTHX_ prev); |
1431 | |
1661 | |
1432 | if (expect_false (next->flags & CF_NEW)) |
1662 | if (ecb_expect_false (next->flags & CF_NEW)) |
1433 | { |
1663 | { |
1434 | /* need to start coroutine */ |
1664 | /* need to start coroutine */ |
1435 | next->flags &= ~CF_NEW; |
1665 | next->flags &= ~CF_NEW; |
1436 | /* setup coroutine call */ |
1666 | /* setup coroutine call */ |
1437 | coro_setup (aTHX_ next); |
1667 | init_perl (aTHX_ next); |
1438 | } |
1668 | } |
1439 | else |
1669 | else |
1440 | load_perl (aTHX_ next); |
1670 | load_perl (aTHX_ next); |
1441 | |
1671 | |
1442 | /* possibly untie and reuse the cctx */ |
1672 | /* possibly untie and reuse the cctx */ |
1443 | if (expect_true ( |
1673 | if (ecb_expect_true ( |
1444 | cctx_current->idle_sp == STACKLEVEL |
1674 | cctx_current->idle_sp == STACKLEVEL |
1445 | && !(cctx_current->flags & CC_TRACE) |
1675 | && !(cctx_current->flags & CC_TRACE) |
1446 | && !force_cctx |
1676 | && !force_cctx |
1447 | )) |
1677 | )) |
1448 | { |
1678 | { |
1449 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1679 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1450 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1680 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1451 | |
1681 | |
1452 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1682 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1453 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1683 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1454 | if (expect_false (CCTX_EXPIRED (cctx_current))) |
1684 | if (ecb_expect_false (CCTX_EXPIRED (cctx_current))) |
1455 | if (expect_true (!next->cctx)) |
1685 | if (ecb_expect_true (!next->cctx)) |
1456 | next->cctx = cctx_get (aTHX); |
1686 | next->cctx = cctx_get (aTHX); |
1457 | |
1687 | |
1458 | cctx_put (cctx_current); |
1688 | cctx_put (cctx_current); |
1459 | } |
1689 | } |
1460 | else |
1690 | else |
1461 | prev->cctx = cctx_current; |
1691 | prev->cctx = cctx_current; |
1462 | |
1692 | |
1463 | ++next->usecount; |
1693 | ++next->usecount; |
1464 | |
1694 | |
1465 | cctx_prev = cctx_current; |
1695 | cctx_prev = cctx_current; |
1466 | cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1696 | cctx_current = ecb_expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1467 | |
1697 | |
1468 | next->cctx = 0; |
1698 | next->cctx = 0; |
1469 | |
1699 | |
1470 | if (expect_false (cctx_prev != cctx_current)) |
1700 | if (ecb_expect_false (cctx_prev != cctx_current)) |
1471 | { |
1701 | { |
1472 | cctx_prev->top_env = PL_top_env; |
1702 | cctx_prev->top_env = PL_top_env; |
1473 | PL_top_env = cctx_current->top_env; |
1703 | PL_top_env = cctx_current->top_env; |
1474 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1704 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1475 | } |
1705 | } |
… | |
… | |
1481 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1711 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1482 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1712 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1483 | |
1713 | |
1484 | /** high level stuff ********************************************************/ |
1714 | /** high level stuff ********************************************************/ |
1485 | |
1715 | |
|
|
1716 | /* this function is actually Coro, not Coro::State, but we call it from here */ |
|
|
1717 | /* because it is convenient - but it hasn't been declared yet for that reason */ |
1486 | static int |
1718 | static void |
|
|
1719 | coro_call_on_destroy (pTHX_ struct coro *coro); |
|
|
1720 | |
|
|
1721 | static void |
1487 | coro_state_destroy (pTHX_ struct coro *coro) |
1722 | coro_state_destroy (pTHX_ struct coro *coro) |
1488 | { |
1723 | { |
1489 | if (coro->flags & CF_DESTROYED) |
1724 | if (coro->flags & CF_ZOMBIE) |
1490 | return 0; |
1725 | return; |
1491 | |
1726 | |
1492 | if (coro->on_destroy && !PL_dirty) |
|
|
1493 | coro->on_destroy (aTHX_ coro); |
1727 | slf_destroy (aTHX_ coro); |
1494 | |
1728 | |
1495 | coro->flags |= CF_DESTROYED; |
1729 | coro->flags |= CF_ZOMBIE; |
1496 | |
1730 | |
1497 | if (coro->flags & CF_READY) |
1731 | if (coro->flags & CF_READY) |
1498 | { |
1732 | { |
1499 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1733 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1500 | /* alternative: look through all ready queues and remove the coro */ |
1734 | /* alternative: look through all ready queues and remove the coro */ |
1501 | --coro_nready; |
1735 | --coro_nready; |
1502 | } |
1736 | } |
1503 | else |
1737 | else |
1504 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
1738 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
|
|
1739 | |
|
|
1740 | if (coro->next) coro->next->prev = coro->prev; |
|
|
1741 | if (coro->prev) coro->prev->next = coro->next; |
|
|
1742 | if (coro == coro_first) coro_first = coro->next; |
1505 | |
1743 | |
1506 | if (coro->mainstack |
1744 | if (coro->mainstack |
1507 | && coro->mainstack != main_mainstack |
1745 | && coro->mainstack != main_mainstack |
1508 | && coro->slot |
1746 | && coro->slot |
1509 | && !PL_dirty) |
1747 | && !PL_dirty) |
1510 | { |
|
|
1511 | struct coro *current = SvSTATE_current; |
|
|
1512 | |
|
|
1513 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
|
|
1514 | |
|
|
1515 | save_perl (aTHX_ current); |
|
|
1516 | load_perl (aTHX_ coro); |
|
|
1517 | |
|
|
1518 | coro_destruct_perl (aTHX_ coro); |
1748 | destroy_perl (aTHX_ coro); |
1519 | |
|
|
1520 | load_perl (aTHX_ current); |
|
|
1521 | |
|
|
1522 | coro->slot = 0; |
|
|
1523 | } |
|
|
1524 | |
1749 | |
1525 | cctx_destroy (coro->cctx); |
1750 | cctx_destroy (coro->cctx); |
1526 | SvREFCNT_dec (coro->startcv); |
1751 | SvREFCNT_dec (coro->startcv); |
1527 | SvREFCNT_dec (coro->args); |
1752 | SvREFCNT_dec (coro->args); |
|
|
1753 | SvREFCNT_dec (coro->swap_sv); |
1528 | SvREFCNT_dec (CORO_THROW); |
1754 | SvREFCNT_dec (CORO_THROW); |
1529 | |
1755 | |
1530 | if (coro->next) coro->next->prev = coro->prev; |
1756 | coro_call_on_destroy (aTHX_ coro); |
1531 | if (coro->prev) coro->prev->next = coro->next; |
|
|
1532 | if (coro == coro_first) coro_first = coro->next; |
|
|
1533 | |
1757 | |
1534 | return 1; |
1758 | /* more destruction mayhem in coro_state_free */ |
1535 | } |
1759 | } |
1536 | |
1760 | |
1537 | static int |
1761 | static int |
1538 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1762 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1539 | { |
1763 | { |
1540 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1764 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1541 | mg->mg_ptr = 0; |
1765 | mg->mg_ptr = 0; |
1542 | |
1766 | |
1543 | coro->hv = 0; |
|
|
1544 | |
|
|
1545 | if (--coro->refcnt < 0) |
|
|
1546 | { |
|
|
1547 | coro_state_destroy (aTHX_ coro); |
1767 | coro_state_destroy (aTHX_ coro); |
|
|
1768 | SvREFCNT_dec (coro->on_destroy); |
|
|
1769 | SvREFCNT_dec (coro->status); |
|
|
1770 | |
1548 | Safefree (coro); |
1771 | Safefree (coro); |
1549 | } |
|
|
1550 | |
1772 | |
1551 | return 0; |
1773 | return 0; |
1552 | } |
1774 | } |
1553 | |
1775 | |
1554 | static int |
1776 | static int ecb_cold |
1555 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1777 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1556 | { |
1778 | { |
1557 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1779 | /* called when perl clones the current process the slow way (windows process emulation) */ |
1558 | |
1780 | /* WE SIMply nuke the pointers in the copy, causing perl to croak */ |
1559 | ++coro->refcnt; |
1781 | mg->mg_ptr = 0; |
|
|
1782 | mg->mg_virtual = 0; |
1560 | |
1783 | |
1561 | return 0; |
1784 | return 0; |
1562 | } |
1785 | } |
1563 | |
1786 | |
1564 | static MGVTBL coro_state_vtbl = { |
1787 | static MGVTBL coro_state_vtbl = { |
… | |
… | |
1587 | |
1810 | |
1588 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1811 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1589 | TRANSFER (ta, 1); |
1812 | TRANSFER (ta, 1); |
1590 | } |
1813 | } |
1591 | |
1814 | |
1592 | /*****************************************************************************/ |
|
|
1593 | /* gensub: simple closure generation utility */ |
|
|
1594 | |
|
|
1595 | #define GENSUB_ARG CvXSUBANY (cv).any_ptr |
|
|
1596 | |
|
|
1597 | /* create a closure from XS, returns a code reference */ |
|
|
1598 | /* the arg can be accessed via GENSUB_ARG from the callback */ |
|
|
1599 | /* the callback must use dXSARGS/XSRETURN */ |
|
|
1600 | static SV * |
|
|
1601 | gensub (pTHX_ void (*xsub)(pTHX_ CV *), void *arg) |
|
|
1602 | { |
|
|
1603 | CV *cv = (CV *)newSV (0); |
|
|
1604 | |
|
|
1605 | sv_upgrade ((SV *)cv, SVt_PVCV); |
|
|
1606 | |
|
|
1607 | CvANON_on (cv); |
|
|
1608 | CvISXSUB_on (cv); |
|
|
1609 | CvXSUB (cv) = xsub; |
|
|
1610 | GENSUB_ARG = arg; |
|
|
1611 | |
|
|
1612 | return newRV_noinc ((SV *)cv); |
|
|
1613 | } |
|
|
1614 | |
|
|
1615 | /** Coro ********************************************************************/ |
1815 | /** Coro ********************************************************************/ |
1616 | |
1816 | |
1617 | INLINE void |
1817 | ecb_inline void |
1618 | coro_enq (pTHX_ struct coro *coro) |
1818 | coro_enq (pTHX_ struct coro *coro) |
1619 | { |
1819 | { |
1620 | struct coro **ready = coro_ready [coro->prio - PRIO_MIN]; |
1820 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1621 | |
1821 | |
1622 | SvREFCNT_inc_NN (coro->hv); |
1822 | SvREFCNT_inc_NN (coro->hv); |
1623 | |
1823 | |
1624 | coro->next_ready = 0; |
1824 | coro->next_ready = 0; |
1625 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
1825 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
1626 | ready [1] = coro; |
1826 | ready [1] = coro; |
1627 | } |
1827 | } |
1628 | |
1828 | |
1629 | INLINE struct coro * |
1829 | ecb_inline struct coro * |
1630 | coro_deq (pTHX) |
1830 | coro_deq (pTHX) |
1631 | { |
1831 | { |
1632 | int prio; |
1832 | int prio; |
1633 | |
1833 | |
1634 | for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; ) |
1834 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
1635 | { |
1835 | { |
1636 | struct coro **ready = coro_ready [prio]; |
1836 | struct coro **ready = coro_ready [prio]; |
1637 | |
1837 | |
1638 | if (ready [0]) |
1838 | if (ready [0]) |
1639 | { |
1839 | { |
… | |
… | |
1644 | } |
1844 | } |
1645 | |
1845 | |
1646 | return 0; |
1846 | return 0; |
1647 | } |
1847 | } |
1648 | |
1848 | |
|
|
1849 | static void |
|
|
1850 | invoke_sv_ready_hook_helper (void) |
|
|
1851 | { |
|
|
1852 | dTHX; |
|
|
1853 | dSP; |
|
|
1854 | |
|
|
1855 | ENTER; |
|
|
1856 | SAVETMPS; |
|
|
1857 | |
|
|
1858 | PUSHMARK (SP); |
|
|
1859 | PUTBACK; |
|
|
1860 | call_sv (coro_readyhook, G_VOID | G_DISCARD); |
|
|
1861 | |
|
|
1862 | FREETMPS; |
|
|
1863 | LEAVE; |
|
|
1864 | } |
|
|
1865 | |
1649 | static int |
1866 | static int |
1650 | api_ready (pTHX_ SV *coro_sv) |
1867 | api_ready (pTHX_ SV *coro_sv) |
1651 | { |
1868 | { |
1652 | struct coro *coro; |
|
|
1653 | SV *sv_hook; |
|
|
1654 | void (*xs_hook)(void); |
|
|
1655 | |
|
|
1656 | coro = SvSTATE (coro_sv); |
1869 | struct coro *coro = SvSTATE (coro_sv); |
1657 | |
1870 | |
1658 | if (coro->flags & CF_READY) |
1871 | if (coro->flags & CF_READY) |
1659 | return 0; |
1872 | return 0; |
1660 | |
1873 | |
1661 | coro->flags |= CF_READY; |
1874 | coro->flags |= CF_READY; |
1662 | |
1875 | |
1663 | sv_hook = coro_nready ? 0 : coro_readyhook; |
|
|
1664 | xs_hook = coro_nready ? 0 : coroapi.readyhook; |
|
|
1665 | |
|
|
1666 | coro_enq (aTHX_ coro); |
1876 | coro_enq (aTHX_ coro); |
1667 | ++coro_nready; |
|
|
1668 | |
1877 | |
1669 | if (sv_hook) |
1878 | if (!coro_nready++) |
1670 | { |
1879 | if (coroapi.readyhook) |
1671 | dSP; |
1880 | coroapi.readyhook (); |
1672 | |
|
|
1673 | ENTER; |
|
|
1674 | SAVETMPS; |
|
|
1675 | |
|
|
1676 | PUSHMARK (SP); |
|
|
1677 | PUTBACK; |
|
|
1678 | call_sv (sv_hook, G_VOID | G_DISCARD); |
|
|
1679 | |
|
|
1680 | FREETMPS; |
|
|
1681 | LEAVE; |
|
|
1682 | } |
|
|
1683 | |
|
|
1684 | if (xs_hook) |
|
|
1685 | xs_hook (); |
|
|
1686 | |
1881 | |
1687 | return 1; |
1882 | return 1; |
1688 | } |
1883 | } |
1689 | |
1884 | |
1690 | static int |
1885 | static int |
… | |
… | |
1692 | { |
1887 | { |
1693 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1888 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1694 | } |
1889 | } |
1695 | |
1890 | |
1696 | /* expects to own a reference to next->hv */ |
1891 | /* expects to own a reference to next->hv */ |
1697 | INLINE void |
1892 | ecb_inline void |
1698 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1893 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1699 | { |
1894 | { |
1700 | SV *prev_sv = SvRV (coro_current); |
1895 | SV *prev_sv = SvRV (coro_current); |
1701 | |
1896 | |
1702 | ta->prev = SvSTATE_hv (prev_sv); |
1897 | ta->prev = SvSTATE_hv (prev_sv); |
… | |
… | |
1715 | { |
1910 | { |
1716 | for (;;) |
1911 | for (;;) |
1717 | { |
1912 | { |
1718 | struct coro *next = coro_deq (aTHX); |
1913 | struct coro *next = coro_deq (aTHX); |
1719 | |
1914 | |
1720 | if (expect_true (next)) |
1915 | if (ecb_expect_true (next)) |
1721 | { |
1916 | { |
1722 | /* cannot transfer to destroyed coros, skip and look for next */ |
1917 | /* cannot transfer to destroyed coros, skip and look for next */ |
1723 | if (expect_false (next->flags & (CF_DESTROYED | CF_SUSPENDED))) |
1918 | if (ecb_expect_false (next->flags & (CF_ZOMBIE | CF_SUSPENDED))) |
1724 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
1919 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
1725 | else |
1920 | else |
1726 | { |
1921 | { |
1727 | next->flags &= ~CF_READY; |
1922 | next->flags &= ~CF_READY; |
1728 | --coro_nready; |
1923 | --coro_nready; |
… | |
… | |
1735 | { |
1930 | { |
1736 | /* nothing to schedule: call the idle handler */ |
1931 | /* nothing to schedule: call the idle handler */ |
1737 | if (SvROK (sv_idle) |
1932 | if (SvROK (sv_idle) |
1738 | && SvOBJECT (SvRV (sv_idle))) |
1933 | && SvOBJECT (SvRV (sv_idle))) |
1739 | { |
1934 | { |
|
|
1935 | if (SvRV (sv_idle) == SvRV (coro_current)) |
|
|
1936 | { |
|
|
1937 | require_pv ("Carp"); |
|
|
1938 | |
|
|
1939 | { |
|
|
1940 | dSP; |
|
|
1941 | |
|
|
1942 | ENTER; |
|
|
1943 | SAVETMPS; |
|
|
1944 | |
|
|
1945 | PUSHMARK (SP); |
|
|
1946 | XPUSHs (sv_2mortal (newSVpv ("FATAL: $Coro::idle blocked itself - did you try to block inside an event loop callback? Caught", 0))); |
|
|
1947 | PUTBACK; |
|
|
1948 | call_pv ("Carp::confess", G_VOID | G_DISCARD); |
|
|
1949 | |
|
|
1950 | FREETMPS; |
|
|
1951 | LEAVE; |
|
|
1952 | } |
|
|
1953 | } |
|
|
1954 | |
1740 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
1955 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
1741 | api_ready (aTHX_ SvRV (sv_idle)); |
1956 | api_ready (aTHX_ SvRV (sv_idle)); |
1742 | --coro_nready; |
1957 | --coro_nready; |
1743 | } |
1958 | } |
1744 | else |
1959 | else |
1745 | { |
1960 | { |
|
|
1961 | /* TODO: deprecated, remove, cannot work reliably *//*D*/ |
1746 | dSP; |
1962 | dSP; |
1747 | |
1963 | |
1748 | ENTER; |
1964 | ENTER; |
1749 | SAVETMPS; |
1965 | SAVETMPS; |
1750 | |
1966 | |
… | |
… | |
1757 | } |
1973 | } |
1758 | } |
1974 | } |
1759 | } |
1975 | } |
1760 | } |
1976 | } |
1761 | |
1977 | |
1762 | INLINE void |
1978 | ecb_inline void |
1763 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1979 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1764 | { |
1980 | { |
1765 | api_ready (aTHX_ coro_current); |
1981 | api_ready (aTHX_ coro_current); |
1766 | prepare_schedule (aTHX_ ta); |
1982 | prepare_schedule (aTHX_ ta); |
1767 | } |
1983 | } |
1768 | |
1984 | |
1769 | INLINE void |
1985 | ecb_inline void |
1770 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
1986 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
1771 | { |
1987 | { |
1772 | SV *prev = SvRV (coro_current); |
1988 | SV *prev = SvRV (coro_current); |
1773 | |
1989 | |
1774 | if (coro_nready) |
1990 | if (coro_nready) |
… | |
… | |
1804 | { |
2020 | { |
1805 | struct coro_transfer_args ta; |
2021 | struct coro_transfer_args ta; |
1806 | |
2022 | |
1807 | prepare_cede (aTHX_ &ta); |
2023 | prepare_cede (aTHX_ &ta); |
1808 | |
2024 | |
1809 | if (expect_true (ta.prev != ta.next)) |
2025 | if (ecb_expect_true (ta.prev != ta.next)) |
1810 | { |
2026 | { |
1811 | TRANSFER (ta, 1); |
2027 | TRANSFER (ta, 1); |
1812 | return 1; |
2028 | return 1; |
1813 | } |
2029 | } |
1814 | else |
2030 | else |
… | |
… | |
1857 | coro->slot->runops = RUNOPS_DEFAULT; |
2073 | coro->slot->runops = RUNOPS_DEFAULT; |
1858 | } |
2074 | } |
1859 | } |
2075 | } |
1860 | |
2076 | |
1861 | static void |
2077 | static void |
|
|
2078 | coro_push_av (pTHX_ AV *av, I32 gimme_v) |
|
|
2079 | { |
|
|
2080 | if (AvFILLp (av) >= 0 && gimme_v != G_VOID) |
|
|
2081 | { |
|
|
2082 | dSP; |
|
|
2083 | |
|
|
2084 | if (gimme_v == G_SCALAR) |
|
|
2085 | XPUSHs (AvARRAY (av)[AvFILLp (av)]); |
|
|
2086 | else |
|
|
2087 | { |
|
|
2088 | int i; |
|
|
2089 | EXTEND (SP, AvFILLp (av) + 1); |
|
|
2090 | |
|
|
2091 | for (i = 0; i <= AvFILLp (av); ++i) |
|
|
2092 | PUSHs (AvARRAY (av)[i]); |
|
|
2093 | } |
|
|
2094 | |
|
|
2095 | PUTBACK; |
|
|
2096 | } |
|
|
2097 | } |
|
|
2098 | |
|
|
2099 | static void |
|
|
2100 | coro_push_on_destroy (pTHX_ struct coro *coro, SV *cb) |
|
|
2101 | { |
|
|
2102 | if (!coro->on_destroy) |
|
|
2103 | coro->on_destroy = newAV (); |
|
|
2104 | |
|
|
2105 | av_push (coro->on_destroy, cb); |
|
|
2106 | } |
|
|
2107 | |
|
|
2108 | static void |
|
|
2109 | slf_destroy_join (pTHX_ struct CoroSLF *frame) |
|
|
2110 | { |
|
|
2111 | SvREFCNT_dec ((SV *)((struct coro *)frame->data)->hv); |
|
|
2112 | } |
|
|
2113 | |
|
|
2114 | static int |
|
|
2115 | slf_check_join (pTHX_ struct CoroSLF *frame) |
|
|
2116 | { |
|
|
2117 | struct coro *coro = (struct coro *)frame->data; |
|
|
2118 | |
|
|
2119 | if (!coro->status) |
|
|
2120 | return 1; |
|
|
2121 | |
|
|
2122 | frame->destroy = 0; |
|
|
2123 | |
|
|
2124 | coro_push_av (aTHX_ coro->status, GIMME_V); |
|
|
2125 | |
|
|
2126 | SvREFCNT_dec ((SV *)coro->hv); |
|
|
2127 | |
|
|
2128 | return 0; |
|
|
2129 | } |
|
|
2130 | |
|
|
2131 | static void |
|
|
2132 | slf_init_join (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2133 | { |
|
|
2134 | struct coro *coro = SvSTATE (items > 0 ? arg [0] : &PL_sv_undef); |
|
|
2135 | |
|
|
2136 | if (items > 1) |
|
|
2137 | croak ("join called with too many arguments"); |
|
|
2138 | |
|
|
2139 | if (coro->status) |
|
|
2140 | frame->prepare = prepare_nop; |
|
|
2141 | else |
|
|
2142 | { |
|
|
2143 | coro_push_on_destroy (aTHX_ coro, SvREFCNT_inc_NN (SvRV (coro_current))); |
|
|
2144 | frame->prepare = prepare_schedule; |
|
|
2145 | } |
|
|
2146 | |
|
|
2147 | frame->check = slf_check_join; |
|
|
2148 | frame->destroy = slf_destroy_join; |
|
|
2149 | frame->data = (void *)coro; |
|
|
2150 | SvREFCNT_inc (coro->hv); |
|
|
2151 | } |
|
|
2152 | |
|
|
2153 | static void |
1862 | coro_call_on_destroy (pTHX_ struct coro *coro) |
2154 | coro_call_on_destroy (pTHX_ struct coro *coro) |
1863 | { |
2155 | { |
1864 | SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0); |
2156 | AV *od = coro->on_destroy; |
1865 | SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0); |
|
|
1866 | |
2157 | |
1867 | if (on_destroyp) |
2158 | if (!od) |
1868 | { |
2159 | return; |
1869 | AV *on_destroy = (AV *)SvRV (*on_destroyp); |
|
|
1870 | |
2160 | |
|
|
2161 | coro->on_destroy = 0; |
|
|
2162 | sv_2mortal ((SV *)od); |
|
|
2163 | |
1871 | while (AvFILLp (on_destroy) >= 0) |
2164 | while (AvFILLp (od) >= 0) |
|
|
2165 | { |
|
|
2166 | SV *cb = sv_2mortal (av_pop (od)); |
|
|
2167 | |
|
|
2168 | /* coro hv's (and only hv's at the moment) are supported as well */ |
|
|
2169 | if (SvSTATEhv_p (aTHX_ cb)) |
|
|
2170 | api_ready (aTHX_ cb); |
|
|
2171 | else |
1872 | { |
2172 | { |
1873 | dSP; /* don't disturb outer sp */ |
2173 | dSP; /* don't disturb outer sp */ |
1874 | SV *cb = av_pop (on_destroy); |
|
|
1875 | |
|
|
1876 | PUSHMARK (SP); |
2174 | PUSHMARK (SP); |
1877 | |
2175 | |
1878 | if (statusp) |
2176 | if (coro->status) |
1879 | { |
2177 | { |
1880 | int i; |
2178 | PUTBACK; |
1881 | AV *status = (AV *)SvRV (*statusp); |
2179 | coro_push_av (aTHX_ coro->status, G_ARRAY); |
1882 | EXTEND (SP, AvFILLp (status) + 1); |
2180 | SPAGAIN; |
1883 | |
|
|
1884 | for (i = 0; i <= AvFILLp (status); ++i) |
|
|
1885 | PUSHs (AvARRAY (status)[i]); |
|
|
1886 | } |
2181 | } |
1887 | |
2182 | |
1888 | PUTBACK; |
2183 | PUTBACK; |
1889 | call_sv (sv_2mortal (cb), G_VOID | G_DISCARD); |
2184 | call_sv (cb, G_VOID | G_DISCARD); |
1890 | } |
2185 | } |
1891 | } |
2186 | } |
1892 | } |
2187 | } |
1893 | |
2188 | |
1894 | static void |
2189 | static void |
1895 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2190 | coro_set_status (pTHX_ struct coro *coro, SV **arg, int items) |
1896 | { |
2191 | { |
|
|
2192 | AV *av; |
|
|
2193 | |
|
|
2194 | if (coro->status) |
|
|
2195 | { |
|
|
2196 | av = coro->status; |
|
|
2197 | av_clear (av); |
|
|
2198 | } |
|
|
2199 | else |
|
|
2200 | av = coro->status = newAV (); |
|
|
2201 | |
|
|
2202 | /* items are actually not so common, so optimise for this case */ |
|
|
2203 | if (items) |
|
|
2204 | { |
1897 | int i; |
2205 | int i; |
1898 | HV *hv = (HV *)SvRV (coro_current); |
|
|
1899 | AV *av = newAV (); |
|
|
1900 | |
2206 | |
1901 | av_extend (av, items - 1); |
2207 | av_extend (av, items - 1); |
|
|
2208 | |
1902 | for (i = 0; i < items; ++i) |
2209 | for (i = 0; i < items; ++i) |
1903 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
2210 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
|
|
2211 | } |
|
|
2212 | } |
1904 | |
2213 | |
1905 | hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0); |
2214 | static void |
1906 | |
2215 | slf_init_terminate_cancel_common (pTHX_ struct CoroSLF *frame, HV *coro_hv) |
|
|
2216 | { |
1907 | av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */ |
2217 | av_push (av_destroy, (SV *)newRV_inc ((SV *)coro_hv)); /* RVinc for perl */ |
1908 | api_ready (aTHX_ sv_manager); |
2218 | api_ready (aTHX_ sv_manager); |
1909 | |
2219 | |
1910 | frame->prepare = prepare_schedule; |
2220 | frame->prepare = prepare_schedule; |
1911 | frame->check = slf_check_repeat; |
2221 | frame->check = slf_check_repeat; |
1912 | |
2222 | |
1913 | /* as a minor optimisation, we could unwind all stacks here */ |
2223 | /* as a minor optimisation, we could unwind all stacks here */ |
1914 | /* but that puts extra pressure on pp_slf, and is not worth much */ |
2224 | /* but that puts extra pressure on pp_slf, and is not worth much */ |
1915 | /*coro_unwind_stacks (aTHX);*/ |
2225 | /*coro_unwind_stacks (aTHX);*/ |
|
|
2226 | } |
|
|
2227 | |
|
|
2228 | static void |
|
|
2229 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2230 | { |
|
|
2231 | HV *coro_hv = (HV *)SvRV (coro_current); |
|
|
2232 | |
|
|
2233 | coro_set_status (aTHX_ SvSTATE ((SV *)coro_hv), arg, items); |
|
|
2234 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
|
|
2235 | } |
|
|
2236 | |
|
|
2237 | static void |
|
|
2238 | slf_init_cancel (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2239 | { |
|
|
2240 | HV *coro_hv; |
|
|
2241 | struct coro *coro; |
|
|
2242 | |
|
|
2243 | if (items <= 0) |
|
|
2244 | croak ("Coro::cancel called without coro object,"); |
|
|
2245 | |
|
|
2246 | coro = SvSTATE (arg [0]); |
|
|
2247 | coro_hv = coro->hv; |
|
|
2248 | |
|
|
2249 | coro_set_status (aTHX_ coro, arg + 1, items - 1); |
|
|
2250 | |
|
|
2251 | if (ecb_expect_false (coro->flags & CF_NOCANCEL)) |
|
|
2252 | { |
|
|
2253 | /* coro currently busy cancelling something, so just notify it */ |
|
|
2254 | coro->slf_frame.data = (void *)coro; |
|
|
2255 | |
|
|
2256 | frame->prepare = prepare_nop; |
|
|
2257 | frame->check = slf_check_nop; |
|
|
2258 | } |
|
|
2259 | else if (coro_hv == (HV *)SvRV (coro_current)) |
|
|
2260 | { |
|
|
2261 | /* cancelling the current coro is allowed, and equals terminate */ |
|
|
2262 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
|
|
2263 | } |
|
|
2264 | else |
|
|
2265 | { |
|
|
2266 | struct coro *self = SvSTATE_current; |
|
|
2267 | |
|
|
2268 | if (!self) |
|
|
2269 | croak ("Coro::cancel called outside of thread content,"); |
|
|
2270 | |
|
|
2271 | /* otherwise we cancel directly, purely for speed reasons |
|
|
2272 | * unfortunately, this requires some magic trickery, as |
|
|
2273 | * somebody else could cancel us, so we have to fight the cancellation. |
|
|
2274 | * this is ugly, and hopefully fully worth the extra speed. |
|
|
2275 | * besides, I can't get the slow-but-safe version working... |
|
|
2276 | */ |
|
|
2277 | slf_frame.data = 0; |
|
|
2278 | self->flags |= CF_NOCANCEL; |
|
|
2279 | coro_state_destroy (aTHX_ coro); |
|
|
2280 | self->flags &= ~CF_NOCANCEL; |
|
|
2281 | |
|
|
2282 | if (slf_frame.data) |
|
|
2283 | { |
|
|
2284 | /* while we were busy we have been cancelled, so terminate */ |
|
|
2285 | slf_init_terminate_cancel_common (aTHX_ frame, self->hv); |
|
|
2286 | } |
|
|
2287 | else |
|
|
2288 | { |
|
|
2289 | frame->prepare = prepare_nop; |
|
|
2290 | frame->check = slf_check_nop; |
|
|
2291 | } |
|
|
2292 | } |
|
|
2293 | } |
|
|
2294 | |
|
|
2295 | static int |
|
|
2296 | slf_check_safe_cancel (pTHX_ struct CoroSLF *frame) |
|
|
2297 | { |
|
|
2298 | frame->prepare = 0; |
|
|
2299 | coro_unwind_stacks (aTHX); |
|
|
2300 | |
|
|
2301 | slf_init_terminate_cancel_common (aTHX_ frame, (HV *)SvRV (coro_current)); |
|
|
2302 | |
|
|
2303 | return 1; |
|
|
2304 | } |
|
|
2305 | |
|
|
2306 | static int |
|
|
2307 | safe_cancel (pTHX_ struct coro *coro, SV **arg, int items) |
|
|
2308 | { |
|
|
2309 | if (coro->cctx) |
|
|
2310 | croak ("coro inside C callback, unable to cancel at this time, caught"); |
|
|
2311 | |
|
|
2312 | if (coro->flags & CF_NEW) |
|
|
2313 | { |
|
|
2314 | coro_set_status (aTHX_ coro, arg, items); |
|
|
2315 | coro_state_destroy (aTHX_ coro); |
|
|
2316 | } |
|
|
2317 | else |
|
|
2318 | { |
|
|
2319 | if (!coro->slf_frame.prepare) |
|
|
2320 | croak ("coro outside an SLF function, unable to cancel at this time, caught"); |
|
|
2321 | |
|
|
2322 | slf_destroy (aTHX_ coro); |
|
|
2323 | |
|
|
2324 | coro_set_status (aTHX_ coro, arg, items); |
|
|
2325 | coro->slf_frame.prepare = prepare_nop; |
|
|
2326 | coro->slf_frame.check = slf_check_safe_cancel; |
|
|
2327 | |
|
|
2328 | api_ready (aTHX_ (SV *)coro->hv); |
|
|
2329 | } |
|
|
2330 | |
|
|
2331 | return 1; |
1916 | } |
2332 | } |
1917 | |
2333 | |
1918 | /*****************************************************************************/ |
2334 | /*****************************************************************************/ |
1919 | /* async pool handler */ |
2335 | /* async pool handler */ |
1920 | |
2336 | |
… | |
… | |
1951 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2367 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
1952 | { |
2368 | { |
1953 | HV *hv = (HV *)SvRV (coro_current); |
2369 | HV *hv = (HV *)SvRV (coro_current); |
1954 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
2370 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
1955 | |
2371 | |
1956 | if (expect_true (coro->saved_deffh)) |
2372 | if (ecb_expect_true (coro->saved_deffh)) |
1957 | { |
2373 | { |
1958 | /* subsequent iteration */ |
2374 | /* subsequent iteration */ |
1959 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
2375 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
1960 | coro->saved_deffh = 0; |
2376 | coro->saved_deffh = 0; |
1961 | |
2377 | |
1962 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
2378 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
1963 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
2379 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
1964 | { |
2380 | { |
1965 | coro->invoke_cb = SvREFCNT_inc_NN ((SV *)cv_coro_terminate); |
2381 | slf_init_terminate_cancel_common (aTHX_ frame, hv); |
1966 | coro->invoke_av = newAV (); |
2382 | return; |
1967 | |
|
|
1968 | frame->prepare = prepare_nop; |
|
|
1969 | } |
2383 | } |
1970 | else |
2384 | else |
1971 | { |
2385 | { |
1972 | av_clear (GvAV (PL_defgv)); |
2386 | av_clear (GvAV (PL_defgv)); |
1973 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
2387 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
… | |
… | |
1998 | |
2412 | |
1999 | static void |
2413 | static void |
2000 | coro_rouse_callback (pTHX_ CV *cv) |
2414 | coro_rouse_callback (pTHX_ CV *cv) |
2001 | { |
2415 | { |
2002 | dXSARGS; |
2416 | dXSARGS; |
2003 | SV *data = (SV *)GENSUB_ARG; |
2417 | SV *data = (SV *)S_GENSUB_ARG; |
2004 | |
2418 | |
2005 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2419 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2006 | { |
2420 | { |
2007 | /* first call, set args */ |
2421 | /* first call, set args */ |
2008 | SV *coro = SvRV (data); |
2422 | SV *coro = SvRV (data); |
… | |
… | |
2023 | |
2437 | |
2024 | static int |
2438 | static int |
2025 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
2439 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
2026 | { |
2440 | { |
2027 | SV *data = (SV *)frame->data; |
2441 | SV *data = (SV *)frame->data; |
2028 | |
2442 | |
2029 | if (CORO_THROW) |
2443 | if (CORO_THROW) |
2030 | return 0; |
2444 | return 0; |
2031 | |
2445 | |
2032 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2446 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2033 | return 1; |
2447 | return 1; |
… | |
… | |
2069 | cb = sv_2mortal (coro->rouse_cb); |
2483 | cb = sv_2mortal (coro->rouse_cb); |
2070 | coro->rouse_cb = 0; |
2484 | coro->rouse_cb = 0; |
2071 | } |
2485 | } |
2072 | |
2486 | |
2073 | if (!SvROK (cb) |
2487 | if (!SvROK (cb) |
2074 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2488 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2075 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2489 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2076 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2490 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2077 | |
2491 | |
2078 | { |
2492 | { |
2079 | CV *cv = (CV *)SvRV (cb); /* for GENSUB_ARG */ |
2493 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
2080 | SV *data = (SV *)GENSUB_ARG; |
2494 | SV *data = (SV *)S_GENSUB_ARG; |
2081 | |
2495 | |
2082 | frame->data = (void *)data; |
2496 | frame->data = (void *)data; |
2083 | frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule; |
2497 | frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule; |
2084 | frame->check = slf_check_rouse_wait; |
2498 | frame->check = slf_check_rouse_wait; |
2085 | } |
2499 | } |
… | |
… | |
2089 | coro_new_rouse_cb (pTHX) |
2503 | coro_new_rouse_cb (pTHX) |
2090 | { |
2504 | { |
2091 | HV *hv = (HV *)SvRV (coro_current); |
2505 | HV *hv = (HV *)SvRV (coro_current); |
2092 | struct coro *coro = SvSTATE_hv (hv); |
2506 | struct coro *coro = SvSTATE_hv (hv); |
2093 | SV *data = newRV_inc ((SV *)hv); |
2507 | SV *data = newRV_inc ((SV *)hv); |
2094 | SV *cb = gensub (aTHX_ coro_rouse_callback, (void *)data); |
2508 | SV *cb = s_gensub (aTHX_ coro_rouse_callback, (void *)data); |
2095 | |
2509 | |
2096 | sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0); |
2510 | sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0); |
2097 | SvREFCNT_dec (data); /* magicext increases the refcount */ |
2511 | SvREFCNT_dec (data); /* magicext increases the refcount */ |
2098 | |
2512 | |
2099 | SvREFCNT_dec (coro->rouse_cb); |
2513 | SvREFCNT_dec (coro->rouse_cb); |
… | |
… | |
2196 | static void |
2610 | static void |
2197 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2611 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2198 | { |
2612 | { |
2199 | frame->prepare = prepare_cede_notself; |
2613 | frame->prepare = prepare_cede_notself; |
2200 | frame->check = slf_check_nop; |
2614 | frame->check = slf_check_nop; |
|
|
2615 | } |
|
|
2616 | |
|
|
2617 | /* "undo"/cancel a running slf call - used when cancelling a coro, mainly */ |
|
|
2618 | static void |
|
|
2619 | slf_destroy (pTHX_ struct coro *coro) |
|
|
2620 | { |
|
|
2621 | struct CoroSLF frame = coro->slf_frame; |
|
|
2622 | |
|
|
2623 | /* |
|
|
2624 | * The on_destroy below most likely is from an SLF call. |
|
|
2625 | * Since by definition the SLF call will not finish when we destroy |
|
|
2626 | * the coro, we will have to force-finish it here, otherwise |
|
|
2627 | * cleanup functions cannot call SLF functions. |
|
|
2628 | */ |
|
|
2629 | coro->slf_frame.prepare = 0; |
|
|
2630 | |
|
|
2631 | /* this callback is reserved for slf functions needing to do cleanup */ |
|
|
2632 | if (frame.destroy && frame.prepare && !PL_dirty) |
|
|
2633 | frame.destroy (aTHX_ &frame); |
2201 | } |
2634 | } |
2202 | |
2635 | |
2203 | /* |
2636 | /* |
2204 | * these not obviously related functions are all rolled into one |
2637 | * these not obviously related functions are all rolled into one |
2205 | * function to increase chances that they all will call transfer with the same |
2638 | * function to increase chances that they all will call transfer with the same |
… | |
… | |
2212 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
2645 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
2213 | |
2646 | |
2214 | /* set up the slf frame, unless it has already been set-up */ |
2647 | /* set up the slf frame, unless it has already been set-up */ |
2215 | /* the latter happens when a new coro has been started */ |
2648 | /* the latter happens when a new coro has been started */ |
2216 | /* or when a new cctx was attached to an existing coroutine */ |
2649 | /* or when a new cctx was attached to an existing coroutine */ |
2217 | if (expect_true (!slf_frame.prepare)) |
2650 | if (ecb_expect_true (!slf_frame.prepare)) |
2218 | { |
2651 | { |
2219 | /* first iteration */ |
2652 | /* first iteration */ |
2220 | dSP; |
2653 | dSP; |
2221 | SV **arg = PL_stack_base + TOPMARK + 1; |
2654 | SV **arg = PL_stack_base + TOPMARK + 1; |
2222 | int items = SP - arg; /* args without function object */ |
2655 | int items = SP - arg; /* args without function object */ |
… | |
… | |
2263 | while (slf_frame.check (aTHX_ &slf_frame)); |
2696 | while (slf_frame.check (aTHX_ &slf_frame)); |
2264 | |
2697 | |
2265 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
2698 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
2266 | |
2699 | |
2267 | /* exception handling */ |
2700 | /* exception handling */ |
2268 | if (expect_false (CORO_THROW)) |
2701 | if (ecb_expect_false (CORO_THROW)) |
2269 | { |
2702 | { |
2270 | SV *exception = sv_2mortal (CORO_THROW); |
2703 | SV *exception = sv_2mortal (CORO_THROW); |
2271 | |
2704 | |
2272 | CORO_THROW = 0; |
2705 | CORO_THROW = 0; |
2273 | sv_setsv (ERRSV, exception); |
2706 | sv_setsv (ERRSV, exception); |
2274 | croak (0); |
2707 | croak (0); |
2275 | } |
2708 | } |
2276 | |
2709 | |
2277 | /* return value handling - mostly like entersub */ |
2710 | /* return value handling - mostly like entersub */ |
2278 | /* make sure we put something on the stack in scalar context */ |
2711 | /* make sure we put something on the stack in scalar context */ |
2279 | if (GIMME_V == G_SCALAR) |
2712 | if (GIMME_V == G_SCALAR |
|
|
2713 | && ecb_expect_false (PL_stack_sp != PL_stack_base + checkmark + 1)) |
2280 | { |
2714 | { |
2281 | dSP; |
2715 | dSP; |
2282 | SV **bot = PL_stack_base + checkmark; |
2716 | SV **bot = PL_stack_base + checkmark; |
2283 | |
2717 | |
2284 | if (sp == bot) /* too few, push undef */ |
2718 | if (sp == bot) /* too few, push undef */ |
2285 | bot [1] = &PL_sv_undef; |
2719 | bot [1] = &PL_sv_undef; |
2286 | else if (sp != bot + 1) /* too many, take last one */ |
2720 | else /* too many, take last one */ |
2287 | bot [1] = *sp; |
2721 | bot [1] = *sp; |
2288 | |
2722 | |
2289 | SP = bot + 1; |
2723 | SP = bot + 1; |
2290 | |
2724 | |
2291 | PUTBACK; |
2725 | PUTBACK; |
… | |
… | |
2324 | if (PL_op->op_flags & OPf_STACKED) |
2758 | if (PL_op->op_flags & OPf_STACKED) |
2325 | { |
2759 | { |
2326 | if (items > slf_arga) |
2760 | if (items > slf_arga) |
2327 | { |
2761 | { |
2328 | slf_arga = items; |
2762 | slf_arga = items; |
2329 | free (slf_argv); |
2763 | Safefree (slf_argv); |
2330 | slf_argv = malloc (slf_arga * sizeof (SV *)); |
2764 | New (0, slf_argv, slf_arga, SV *); |
2331 | } |
2765 | } |
2332 | |
2766 | |
2333 | slf_argc = items; |
2767 | slf_argc = items; |
2334 | |
2768 | |
2335 | for (i = 0; i < items; ++i) |
2769 | for (i = 0; i < items; ++i) |
… | |
… | |
2398 | { |
2832 | { |
2399 | PerlIOBuf base; |
2833 | PerlIOBuf base; |
2400 | NV next, every; |
2834 | NV next, every; |
2401 | } PerlIOCede; |
2835 | } PerlIOCede; |
2402 | |
2836 | |
2403 | static IV |
2837 | static IV ecb_cold |
2404 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
2838 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
2405 | { |
2839 | { |
2406 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2840 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2407 | |
2841 | |
2408 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
2842 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
2409 | self->next = nvtime () + self->every; |
2843 | self->next = nvtime () + self->every; |
2410 | |
2844 | |
2411 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
2845 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
2412 | } |
2846 | } |
2413 | |
2847 | |
2414 | static SV * |
2848 | static SV * ecb_cold |
2415 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
2849 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
2416 | { |
2850 | { |
2417 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2851 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2418 | |
2852 | |
2419 | return newSVnv (self->every); |
2853 | return newSVnv (self->every); |
… | |
… | |
2470 | /* Coro::Semaphore & Coro::Signal */ |
2904 | /* Coro::Semaphore & Coro::Signal */ |
2471 | |
2905 | |
2472 | static SV * |
2906 | static SV * |
2473 | coro_waitarray_new (pTHX_ int count) |
2907 | coro_waitarray_new (pTHX_ int count) |
2474 | { |
2908 | { |
2475 | /* a semaphore contains a counter IV in $sem->[0] and any waiters after that */ |
2909 | /* a waitarray=semaphore contains a counter IV in $sem->[0] and any waiters after that */ |
2476 | AV *av = newAV (); |
2910 | AV *av = newAV (); |
2477 | SV **ary; |
2911 | SV **ary; |
2478 | |
2912 | |
2479 | /* unfortunately, building manually saves memory */ |
2913 | /* unfortunately, building manually saves memory */ |
2480 | Newx (ary, 2, SV *); |
2914 | Newx (ary, 2, SV *); |
… | |
… | |
2531 | SvREFCNT_dec (cb); |
2965 | SvREFCNT_dec (cb); |
2532 | } |
2966 | } |
2533 | } |
2967 | } |
2534 | |
2968 | |
2535 | static void |
2969 | static void |
2536 | coro_semaphore_on_destroy (pTHX_ struct coro *coro) |
2970 | coro_semaphore_destroy (pTHX_ struct CoroSLF *frame) |
2537 | { |
2971 | { |
2538 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
2972 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
2539 | coro_semaphore_adjust (aTHX_ (AV *)coro->slf_frame.data, 0); |
2973 | coro_semaphore_adjust (aTHX_ (AV *)frame->data, 0); |
2540 | } |
2974 | } |
2541 | |
2975 | |
2542 | static int |
2976 | static int |
2543 | slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire) |
2977 | slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire) |
2544 | { |
2978 | { |
2545 | AV *av = (AV *)frame->data; |
2979 | AV *av = (AV *)frame->data; |
2546 | SV *count_sv = AvARRAY (av)[0]; |
2980 | SV *count_sv = AvARRAY (av)[0]; |
|
|
2981 | SV *coro_hv = SvRV (coro_current); |
|
|
2982 | |
|
|
2983 | frame->destroy = 0; |
2547 | |
2984 | |
2548 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2985 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2549 | if (CORO_THROW) |
2986 | if (ecb_expect_false (CORO_THROW)) |
|
|
2987 | { |
|
|
2988 | /* we still might be responsible for the semaphore, so wake up others */ |
|
|
2989 | coro_semaphore_adjust (aTHX_ av, 0); |
|
|
2990 | |
2550 | return 0; |
2991 | return 0; |
|
|
2992 | } |
2551 | else if (SvIVX (count_sv) > 0) |
2993 | else if (SvIVX (count_sv) > 0) |
2552 | { |
2994 | { |
2553 | SvSTATE_current->on_destroy = 0; |
|
|
2554 | |
|
|
2555 | if (acquire) |
2995 | if (acquire) |
2556 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2996 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2557 | else |
2997 | else |
2558 | coro_semaphore_adjust (aTHX_ av, 0); |
2998 | coro_semaphore_adjust (aTHX_ av, 0); |
2559 | |
2999 | |
… | |
… | |
2563 | { |
3003 | { |
2564 | int i; |
3004 | int i; |
2565 | /* if we were woken up but can't down, we look through the whole */ |
3005 | /* if we were woken up but can't down, we look through the whole */ |
2566 | /* waiters list and only add us if we aren't in there already */ |
3006 | /* waiters list and only add us if we aren't in there already */ |
2567 | /* this avoids some degenerate memory usage cases */ |
3007 | /* this avoids some degenerate memory usage cases */ |
2568 | |
3008 | for (i = AvFILLp (av); i > 0; --i) /* i > 0 is not an off-by-one bug */ |
2569 | for (i = 1; i <= AvFILLp (av); ++i) |
|
|
2570 | if (AvARRAY (av)[i] == SvRV (coro_current)) |
3009 | if (AvARRAY (av)[i] == coro_hv) |
2571 | return 1; |
3010 | return 1; |
2572 | |
3011 | |
2573 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
3012 | av_push (av, SvREFCNT_inc (coro_hv)); |
2574 | return 1; |
3013 | return 1; |
2575 | } |
3014 | } |
2576 | } |
3015 | } |
2577 | |
3016 | |
2578 | static int |
3017 | static int |
… | |
… | |
2601 | { |
3040 | { |
2602 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
3041 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2603 | |
3042 | |
2604 | frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); |
3043 | frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); |
2605 | frame->prepare = prepare_schedule; |
3044 | frame->prepare = prepare_schedule; |
2606 | |
|
|
2607 | /* to avoid race conditions when a woken-up coro gets terminated */ |
3045 | /* to avoid race conditions when a woken-up coro gets terminated */ |
2608 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
3046 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
2609 | SvSTATE_current->on_destroy = coro_semaphore_on_destroy; |
3047 | frame->destroy = coro_semaphore_destroy; |
2610 | } |
3048 | } |
2611 | } |
3049 | } |
2612 | |
3050 | |
2613 | static void |
3051 | static void |
2614 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
3052 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
… | |
… | |
2622 | { |
3060 | { |
2623 | if (items >= 2) |
3061 | if (items >= 2) |
2624 | { |
3062 | { |
2625 | /* callback form */ |
3063 | /* callback form */ |
2626 | AV *av = (AV *)SvRV (arg [0]); |
3064 | AV *av = (AV *)SvRV (arg [0]); |
2627 | CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]); |
3065 | SV *cb_cv = s_get_cv_croak (arg [1]); |
2628 | |
3066 | |
2629 | av_push (av, (SV *)SvREFCNT_inc_NN (cb_cv)); |
3067 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
2630 | |
3068 | |
2631 | if (SvIVX (AvARRAY (av)[0]) > 0) |
3069 | if (SvIVX (AvARRAY (av)[0]) > 0) |
2632 | coro_semaphore_adjust (aTHX_ av, 0); |
3070 | coro_semaphore_adjust (aTHX_ av, 0); |
2633 | |
3071 | |
2634 | frame->prepare = prepare_nop; |
3072 | frame->prepare = prepare_nop; |
… | |
… | |
2658 | AvARRAY (av)[0] = AvARRAY (av)[1]; |
3096 | AvARRAY (av)[0] = AvARRAY (av)[1]; |
2659 | AvARRAY (av)[1] = cb; |
3097 | AvARRAY (av)[1] = cb; |
2660 | |
3098 | |
2661 | cb = av_shift (av); |
3099 | cb = av_shift (av); |
2662 | |
3100 | |
|
|
3101 | if (SvTYPE (cb) == SVt_PVCV) |
|
|
3102 | { |
|
|
3103 | dSP; |
|
|
3104 | PUSHMARK (SP); |
|
|
3105 | XPUSHs (sv_2mortal (newRV_inc ((SV *)av))); |
|
|
3106 | PUTBACK; |
|
|
3107 | call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR); |
|
|
3108 | } |
|
|
3109 | else |
|
|
3110 | { |
2663 | api_ready (aTHX_ cb); |
3111 | api_ready (aTHX_ cb); |
2664 | sv_setiv (cb, 0); /* signal waiter */ |
3112 | sv_setiv (cb, 0); /* signal waiter */ |
|
|
3113 | } |
|
|
3114 | |
2665 | SvREFCNT_dec (cb); |
3115 | SvREFCNT_dec (cb); |
2666 | |
3116 | |
2667 | --count; |
3117 | --count; |
2668 | } |
3118 | } |
2669 | } |
3119 | } |
… | |
… | |
2678 | static void |
3128 | static void |
2679 | slf_init_signal_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
3129 | slf_init_signal_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2680 | { |
3130 | { |
2681 | AV *av = (AV *)SvRV (arg [0]); |
3131 | AV *av = (AV *)SvRV (arg [0]); |
2682 | |
3132 | |
|
|
3133 | if (items >= 2) |
|
|
3134 | { |
|
|
3135 | SV *cb_cv = s_get_cv_croak (arg [1]); |
|
|
3136 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
|
|
3137 | |
2683 | if (SvIVX (AvARRAY (av)[0])) |
3138 | if (SvIVX (AvARRAY (av)[0])) |
|
|
3139 | coro_signal_wake (aTHX_ av, 1); /* must be the only waiter */ |
|
|
3140 | |
|
|
3141 | frame->prepare = prepare_nop; |
|
|
3142 | frame->check = slf_check_nop; |
|
|
3143 | } |
|
|
3144 | else if (SvIVX (AvARRAY (av)[0])) |
2684 | { |
3145 | { |
2685 | SvIVX (AvARRAY (av)[0]) = 0; |
3146 | SvIVX (AvARRAY (av)[0]) = 0; |
2686 | frame->prepare = prepare_nop; |
3147 | frame->prepare = prepare_nop; |
2687 | frame->check = slf_check_nop; |
3148 | frame->check = slf_check_nop; |
2688 | } |
3149 | } |
2689 | else |
3150 | else |
2690 | { |
3151 | { |
2691 | SV *waiter = newRV_inc (SvRV (coro_current)); /* owned by signal av */ |
3152 | SV *waiter = newSVsv (coro_current); /* owned by signal av */ |
2692 | |
3153 | |
2693 | av_push (av, waiter); |
3154 | av_push (av, waiter); |
2694 | |
3155 | |
2695 | frame->data = (void *)sv_2mortal (SvREFCNT_inc_NN (waiter)); /* owned by process */ |
3156 | frame->data = (void *)sv_2mortal (SvREFCNT_inc_NN (waiter)); /* owned by process */ |
2696 | frame->prepare = prepare_schedule; |
3157 | frame->prepare = prepare_schedule; |
… | |
… | |
2714 | |
3175 | |
2715 | static void |
3176 | static void |
2716 | coro_aio_callback (pTHX_ CV *cv) |
3177 | coro_aio_callback (pTHX_ CV *cv) |
2717 | { |
3178 | { |
2718 | dXSARGS; |
3179 | dXSARGS; |
2719 | AV *state = (AV *)GENSUB_ARG; |
3180 | AV *state = (AV *)S_GENSUB_ARG; |
2720 | SV *coro = av_pop (state); |
3181 | SV *coro = av_pop (state); |
2721 | SV *data_sv = newSV (sizeof (struct io_state)); |
3182 | SV *data_sv = newSV (sizeof (struct io_state)); |
2722 | |
3183 | |
2723 | av_extend (state, items - 1); |
3184 | av_extend (state, items - 1); |
2724 | |
3185 | |
… | |
… | |
2760 | /* it quickly returns */ |
3221 | /* it quickly returns */ |
2761 | if (CORO_THROW) |
3222 | if (CORO_THROW) |
2762 | return 0; |
3223 | return 0; |
2763 | |
3224 | |
2764 | /* one element that is an RV? repeat! */ |
3225 | /* one element that is an RV? repeat! */ |
2765 | if (AvFILLp (state) == 0 && SvROK (AvARRAY (state)[0])) |
3226 | if (AvFILLp (state) == 0 && SvTYPE (AvARRAY (state)[0]) != SVt_PV) |
2766 | return 1; |
3227 | return 1; |
2767 | |
3228 | |
2768 | /* restore status */ |
3229 | /* restore status */ |
2769 | { |
3230 | { |
2770 | SV *data_sv = av_pop (state); |
3231 | SV *data_sv = av_pop (state); |
… | |
… | |
2809 | dSP; |
3270 | dSP; |
2810 | |
3271 | |
2811 | static SV *prio_cv; |
3272 | static SV *prio_cv; |
2812 | static SV *prio_sv; |
3273 | static SV *prio_sv; |
2813 | |
3274 | |
2814 | if (expect_false (!prio_cv)) |
3275 | if (ecb_expect_false (!prio_cv)) |
2815 | { |
3276 | { |
2816 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
3277 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
2817 | prio_sv = newSViv (0); |
3278 | prio_sv = newSViv (0); |
2818 | } |
3279 | } |
2819 | |
3280 | |
… | |
… | |
2838 | |
3299 | |
2839 | for (i = 0; i < items; ++i) |
3300 | for (i = 0; i < items; ++i) |
2840 | PUSHs (arg [i]); |
3301 | PUSHs (arg [i]); |
2841 | |
3302 | |
2842 | /* now push the callback closure */ |
3303 | /* now push the callback closure */ |
2843 | PUSHs (sv_2mortal (gensub (aTHX_ coro_aio_callback, (void *)SvREFCNT_inc_NN ((SV *)state)))); |
3304 | PUSHs (sv_2mortal (s_gensub (aTHX_ coro_aio_callback, (void *)SvREFCNT_inc_NN ((SV *)state)))); |
2844 | |
3305 | |
2845 | /* now call the AIO function - we assume our request is uncancelable */ |
3306 | /* now call the AIO function - we assume our request is uncancelable */ |
2846 | PUTBACK; |
3307 | PUTBACK; |
2847 | call_sv ((SV *)req, G_VOID | G_DISCARD); |
3308 | call_sv ((SV *)req, G_VOID | G_DISCARD); |
2848 | } |
3309 | } |
2849 | |
3310 | |
2850 | /* now that the requets is going, we loop toll we have a result */ |
3311 | /* now that the request is going, we loop till we have a result */ |
2851 | frame->data = (void *)state; |
3312 | frame->data = (void *)state; |
2852 | frame->prepare = prepare_schedule; |
3313 | frame->prepare = prepare_schedule; |
2853 | frame->check = slf_check_aio_req; |
3314 | frame->check = slf_check_aio_req; |
2854 | } |
3315 | } |
2855 | |
3316 | |
… | |
… | |
2867 | |
3328 | |
2868 | #if CORO_CLONE |
3329 | #if CORO_CLONE |
2869 | # include "clone.c" |
3330 | # include "clone.c" |
2870 | #endif |
3331 | #endif |
2871 | |
3332 | |
|
|
3333 | /*****************************************************************************/ |
|
|
3334 | |
|
|
3335 | static SV * |
|
|
3336 | coro_new (pTHX_ HV *stash, SV **argv, int argc, int is_coro) |
|
|
3337 | { |
|
|
3338 | SV *coro_sv; |
|
|
3339 | struct coro *coro; |
|
|
3340 | MAGIC *mg; |
|
|
3341 | HV *hv; |
|
|
3342 | SV *cb; |
|
|
3343 | int i; |
|
|
3344 | |
|
|
3345 | if (argc > 0) |
|
|
3346 | { |
|
|
3347 | cb = s_get_cv_croak (argv [0]); |
|
|
3348 | |
|
|
3349 | if (!is_coro) |
|
|
3350 | { |
|
|
3351 | if (CvISXSUB (cb)) |
|
|
3352 | croak ("Coro::State doesn't support XS functions as coroutine start, caught"); |
|
|
3353 | |
|
|
3354 | if (!CvROOT (cb)) |
|
|
3355 | croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught"); |
|
|
3356 | } |
|
|
3357 | } |
|
|
3358 | |
|
|
3359 | Newz (0, coro, 1, struct coro); |
|
|
3360 | coro->args = newAV (); |
|
|
3361 | coro->flags = CF_NEW; |
|
|
3362 | |
|
|
3363 | if (coro_first) coro_first->prev = coro; |
|
|
3364 | coro->next = coro_first; |
|
|
3365 | coro_first = coro; |
|
|
3366 | |
|
|
3367 | coro->hv = hv = newHV (); |
|
|
3368 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
|
|
3369 | mg->mg_flags |= MGf_DUP; |
|
|
3370 | coro_sv = sv_bless (newRV_noinc ((SV *)hv), stash); |
|
|
3371 | |
|
|
3372 | if (argc > 0) |
|
|
3373 | { |
|
|
3374 | av_extend (coro->args, argc + is_coro - 1); |
|
|
3375 | |
|
|
3376 | if (is_coro) |
|
|
3377 | { |
|
|
3378 | av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb)); |
|
|
3379 | cb = (SV *)cv_coro_run; |
|
|
3380 | } |
|
|
3381 | |
|
|
3382 | coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb); |
|
|
3383 | |
|
|
3384 | for (i = 1; i < argc; i++) |
|
|
3385 | av_push (coro->args, newSVsv (argv [i])); |
|
|
3386 | } |
|
|
3387 | |
|
|
3388 | return coro_sv; |
|
|
3389 | } |
|
|
3390 | |
|
|
3391 | #ifndef __cplusplus |
|
|
3392 | ecb_cold XS(boot_Coro__State); |
|
|
3393 | #endif |
|
|
3394 | |
|
|
3395 | #if CORO_JIT |
|
|
3396 | |
|
|
3397 | static void ecb_noinline ecb_cold |
|
|
3398 | pushav_4uv (pTHX_ UV a, UV b, UV c, UV d) |
|
|
3399 | { |
|
|
3400 | dSP; |
|
|
3401 | AV *av = newAV (); |
|
|
3402 | |
|
|
3403 | av_store (av, 3, newSVuv (d)); |
|
|
3404 | av_store (av, 2, newSVuv (c)); |
|
|
3405 | av_store (av, 1, newSVuv (b)); |
|
|
3406 | av_store (av, 0, newSVuv (a)); |
|
|
3407 | |
|
|
3408 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
3409 | |
|
|
3410 | PUTBACK; |
|
|
3411 | } |
|
|
3412 | |
|
|
3413 | static void ecb_noinline ecb_cold |
|
|
3414 | jit_init (pTHX) |
|
|
3415 | { |
|
|
3416 | dSP; |
|
|
3417 | SV *load, *save; |
|
|
3418 | char *map_base; |
|
|
3419 | char *load_ptr, *save_ptr; |
|
|
3420 | STRLEN load_len, save_len, map_len; |
|
|
3421 | int count; |
|
|
3422 | |
|
|
3423 | eval_pv ("require 'Coro/jit-" CORO_JIT_TYPE ".pl'", 1); |
|
|
3424 | |
|
|
3425 | PUSHMARK (SP); |
|
|
3426 | #define VARx(name,expr,type) pushav_4uv (aTHX_ (UV)&(expr), sizeof (expr), offsetof (perl_slots, name), sizeof (type)); |
|
|
3427 | #include "state.h" |
|
|
3428 | count = call_pv ("Coro::State::_jit", G_ARRAY); |
|
|
3429 | SPAGAIN; |
|
|
3430 | |
|
|
3431 | save = POPs; save_ptr = SvPVbyte (save, save_len); |
|
|
3432 | load = POPs; load_ptr = SvPVbyte (load, load_len); |
|
|
3433 | |
|
|
3434 | map_len = load_len + save_len + 16; |
|
|
3435 | |
|
|
3436 | map_base = mmap (0, map_len, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); |
|
|
3437 | |
|
|
3438 | assert (("Coro: unable to mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED)); |
|
|
3439 | |
|
|
3440 | load_perl_slots = (load_save_perl_slots_type)map_base; |
|
|
3441 | memcpy (map_base, load_ptr, load_len); |
|
|
3442 | |
|
|
3443 | map_base += (load_len + 15) & ~15; |
|
|
3444 | |
|
|
3445 | save_perl_slots = (load_save_perl_slots_type)map_base; |
|
|
3446 | memcpy (map_base, save_ptr, save_len); |
|
|
3447 | |
|
|
3448 | /* we are good citizens and try to make the page read-only, so the evil evil */ |
|
|
3449 | /* hackers might have it a bit more difficult */ |
|
|
3450 | mprotect (map_base, map_len, PROT_READ | PROT_EXEC); |
|
|
3451 | |
|
|
3452 | PUTBACK; |
|
|
3453 | eval_pv ("undef &Coro::State::_jit", 1); |
|
|
3454 | } |
|
|
3455 | |
|
|
3456 | #endif |
|
|
3457 | |
2872 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
3458 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
2873 | |
3459 | |
2874 | PROTOTYPES: DISABLE |
3460 | PROTOTYPES: DISABLE |
2875 | |
3461 | |
2876 | BOOT: |
3462 | BOOT: |
2877 | { |
3463 | { |
|
|
3464 | #define VARx(name,expr,type) if (sizeof (type) < sizeof (expr)) croak ("FATAL: Coro thread context slot '" # name "' too small for this version of perl."); |
|
|
3465 | #include "state.h" |
2878 | #ifdef USE_ITHREADS |
3466 | #ifdef USE_ITHREADS |
2879 | # if CORO_PTHREAD |
3467 | # if CORO_PTHREAD |
2880 | coro_thx = PERL_GET_CONTEXT; |
3468 | coro_thx = PERL_GET_CONTEXT; |
2881 | # endif |
3469 | # endif |
2882 | #endif |
3470 | #endif |
2883 | BOOT_PAGESIZE; |
3471 | /* perl defines these to check for existance first, but why it doesn't */ |
|
|
3472 | /* just create them one at init time is not clear to me, except for */ |
|
|
3473 | /* programs trying to delete them, but... */ |
|
|
3474 | /* anyway, we declare this as invalid and make sure they are initialised here */ |
|
|
3475 | DEFSV; |
|
|
3476 | ERRSV; |
2884 | |
3477 | |
2885 | cctx_current = cctx_new_empty (); |
3478 | cctx_current = cctx_new_empty (); |
2886 | |
3479 | |
2887 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3480 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
2888 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3481 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
… | |
… | |
2928 | coroapi.prepare_nop = prepare_nop; |
3521 | coroapi.prepare_nop = prepare_nop; |
2929 | coroapi.prepare_schedule = prepare_schedule; |
3522 | coroapi.prepare_schedule = prepare_schedule; |
2930 | coroapi.prepare_cede = prepare_cede; |
3523 | coroapi.prepare_cede = prepare_cede; |
2931 | coroapi.prepare_cede_notself = prepare_cede_notself; |
3524 | coroapi.prepare_cede_notself = prepare_cede_notself; |
2932 | |
3525 | |
2933 | { |
3526 | time_init (aTHX); |
2934 | SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
|
|
2935 | |
3527 | |
2936 | if (!svp) croak ("Time::HiRes is required"); |
|
|
2937 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer"); |
|
|
2938 | |
|
|
2939 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
|
|
2940 | } |
|
|
2941 | |
|
|
2942 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
3528 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
|
|
3529 | #if CORO_JIT |
|
|
3530 | PUTBACK; |
|
|
3531 | jit_init (aTHX); |
|
|
3532 | SPAGAIN; |
|
|
3533 | #endif |
2943 | } |
3534 | } |
2944 | |
3535 | |
2945 | SV * |
3536 | SV * |
2946 | new (char *klass, ...) |
3537 | new (SV *klass, ...) |
2947 | ALIAS: |
3538 | ALIAS: |
2948 | Coro::new = 1 |
3539 | Coro::new = 1 |
2949 | CODE: |
3540 | CODE: |
2950 | { |
3541 | RETVAL = coro_new (aTHX_ ix ? coro_stash : coro_state_stash, &ST (1), items - 1, ix); |
2951 | struct coro *coro; |
3542 | OUTPUT: |
2952 | MAGIC *mg; |
|
|
2953 | HV *hv; |
|
|
2954 | CV *cb; |
|
|
2955 | int i; |
|
|
2956 | |
|
|
2957 | if (items > 1) |
|
|
2958 | { |
|
|
2959 | cb = coro_sv_2cv (aTHX_ ST (1)); |
|
|
2960 | |
|
|
2961 | if (!ix) |
|
|
2962 | { |
|
|
2963 | if (CvISXSUB (cb)) |
|
|
2964 | croak ("Coro::State doesn't support XS functions as coroutine start, caught"); |
|
|
2965 | |
|
|
2966 | if (!CvROOT (cb)) |
|
|
2967 | croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught"); |
|
|
2968 | } |
|
|
2969 | } |
|
|
2970 | |
|
|
2971 | Newz (0, coro, 1, struct coro); |
|
|
2972 | coro->args = newAV (); |
|
|
2973 | coro->flags = CF_NEW; |
|
|
2974 | |
|
|
2975 | if (coro_first) coro_first->prev = coro; |
|
|
2976 | coro->next = coro_first; |
|
|
2977 | coro_first = coro; |
|
|
2978 | |
|
|
2979 | coro->hv = hv = newHV (); |
|
|
2980 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
|
|
2981 | mg->mg_flags |= MGf_DUP; |
|
|
2982 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
|
|
2983 | |
|
|
2984 | if (items > 1) |
|
|
2985 | { |
|
|
2986 | av_extend (coro->args, items - 1 + ix - 1); |
|
|
2987 | |
|
|
2988 | if (ix) |
|
|
2989 | { |
|
|
2990 | av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb)); |
|
|
2991 | cb = cv_coro_run; |
|
|
2992 | } |
|
|
2993 | |
|
|
2994 | coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb); |
|
|
2995 | |
|
|
2996 | for (i = 2; i < items; i++) |
|
|
2997 | av_push (coro->args, newSVsv (ST (i))); |
|
|
2998 | } |
|
|
2999 | } |
|
|
3000 | OUTPUT: |
|
|
3001 | RETVAL |
3543 | RETVAL |
3002 | |
3544 | |
3003 | void |
3545 | void |
3004 | transfer (...) |
3546 | transfer (...) |
3005 | PROTOTYPE: $$ |
3547 | PROTOTYPE: $$ |
3006 | CODE: |
3548 | CODE: |
3007 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3549 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3008 | |
|
|
3009 | bool |
|
|
3010 | _destroy (SV *coro_sv) |
|
|
3011 | CODE: |
|
|
3012 | RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); |
|
|
3013 | OUTPUT: |
|
|
3014 | RETVAL |
|
|
3015 | |
|
|
3016 | void |
|
|
3017 | _exit (int code) |
|
|
3018 | PROTOTYPE: $ |
|
|
3019 | CODE: |
|
|
3020 | _exit (code); |
|
|
3021 | |
3550 | |
3022 | SV * |
3551 | SV * |
3023 | clone (Coro::State coro) |
3552 | clone (Coro::State coro) |
3024 | CODE: |
3553 | CODE: |
3025 | { |
3554 | { |
… | |
… | |
3080 | void |
3609 | void |
3081 | list () |
3610 | list () |
3082 | PROTOTYPE: |
3611 | PROTOTYPE: |
3083 | PPCODE: |
3612 | PPCODE: |
3084 | { |
3613 | { |
3085 | struct coro *coro; |
3614 | struct coro *coro; |
3086 | for (coro = coro_first; coro; coro = coro->next) |
3615 | for (coro = coro_first; coro; coro = coro->next) |
3087 | if (coro->hv) |
3616 | if (coro->hv) |
3088 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
3617 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
3089 | } |
3618 | } |
3090 | |
3619 | |
… | |
… | |
3095 | CODE: |
3624 | CODE: |
3096 | { |
3625 | { |
3097 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3626 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3098 | { |
3627 | { |
3099 | struct coro *current = SvSTATE_current; |
3628 | struct coro *current = SvSTATE_current; |
|
|
3629 | struct CoroSLF slf_save; |
3100 | |
3630 | |
3101 | if (current != coro) |
3631 | if (current != coro) |
3102 | { |
3632 | { |
3103 | PUTBACK; |
3633 | PUTBACK; |
3104 | save_perl (aTHX_ current); |
3634 | save_perl (aTHX_ current); |
3105 | load_perl (aTHX_ coro); |
3635 | load_perl (aTHX_ coro); |
|
|
3636 | /* the coro is most likely in an active SLF call. |
|
|
3637 | * while not strictly required (the code we execute is |
|
|
3638 | * not allowed to call any SLF functions), it's cleaner |
|
|
3639 | * to reinitialise the slf_frame and restore it later. |
|
|
3640 | * This might one day allow us to actually do SLF calls |
|
|
3641 | * from code executed here. |
|
|
3642 | */ |
|
|
3643 | slf_save = slf_frame; |
|
|
3644 | slf_frame.prepare = 0; |
3106 | SPAGAIN; |
3645 | SPAGAIN; |
3107 | } |
3646 | } |
3108 | |
3647 | |
3109 | PUSHSTACK; |
3648 | PUSHSTACK; |
3110 | |
3649 | |
… | |
… | |
3120 | SPAGAIN; |
3659 | SPAGAIN; |
3121 | |
3660 | |
3122 | if (current != coro) |
3661 | if (current != coro) |
3123 | { |
3662 | { |
3124 | PUTBACK; |
3663 | PUTBACK; |
|
|
3664 | slf_frame = slf_save; |
3125 | save_perl (aTHX_ coro); |
3665 | save_perl (aTHX_ coro); |
3126 | load_perl (aTHX_ current); |
3666 | load_perl (aTHX_ current); |
3127 | SPAGAIN; |
3667 | SPAGAIN; |
3128 | } |
3668 | } |
3129 | } |
3669 | } |
… | |
… | |
3134 | PROTOTYPE: $ |
3674 | PROTOTYPE: $ |
3135 | ALIAS: |
3675 | ALIAS: |
3136 | is_ready = CF_READY |
3676 | is_ready = CF_READY |
3137 | is_running = CF_RUNNING |
3677 | is_running = CF_RUNNING |
3138 | is_new = CF_NEW |
3678 | is_new = CF_NEW |
3139 | is_destroyed = CF_DESTROYED |
3679 | is_destroyed = CF_ZOMBIE |
|
|
3680 | is_zombie = CF_ZOMBIE |
3140 | is_suspended = CF_SUSPENDED |
3681 | is_suspended = CF_SUSPENDED |
3141 | CODE: |
3682 | CODE: |
3142 | RETVAL = boolSV (coro->flags & ix); |
3683 | RETVAL = boolSV (coro->flags & ix); |
3143 | OUTPUT: |
3684 | OUTPUT: |
3144 | RETVAL |
3685 | RETVAL |
3145 | |
3686 | |
3146 | void |
3687 | void |
3147 | throw (Coro::State self, SV *throw = &PL_sv_undef) |
3688 | throw (SV *self, SV *exception = &PL_sv_undef) |
3148 | PROTOTYPE: $;$ |
3689 | PROTOTYPE: $;$ |
3149 | CODE: |
3690 | CODE: |
3150 | { |
3691 | { |
|
|
3692 | struct coro *coro = SvSTATE (self); |
3151 | struct coro *current = SvSTATE_current; |
3693 | struct coro *current = SvSTATE_current; |
3152 | SV **throwp = self == current ? &CORO_THROW : &self->except; |
3694 | SV **exceptionp = coro == current ? &CORO_THROW : &coro->except; |
3153 | SvREFCNT_dec (*throwp); |
3695 | SvREFCNT_dec (*exceptionp); |
3154 | *throwp = SvOK (throw) ? newSVsv (throw) : 0; |
3696 | SvGETMAGIC (exception); |
|
|
3697 | *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; |
|
|
3698 | |
|
|
3699 | api_ready (aTHX_ self); |
3155 | } |
3700 | } |
3156 | |
3701 | |
3157 | void |
3702 | void |
3158 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3703 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3159 | PROTOTYPE: $;$ |
3704 | PROTOTYPE: $;$ |
… | |
… | |
3214 | |
3759 | |
3215 | void |
3760 | void |
3216 | cancel (Coro::State self) |
3761 | cancel (Coro::State self) |
3217 | CODE: |
3762 | CODE: |
3218 | coro_state_destroy (aTHX_ self); |
3763 | coro_state_destroy (aTHX_ self); |
3219 | coro_call_on_destroy (aTHX_ self); /* actually only for Coro objects */ |
3764 | |
|
|
3765 | SV * |
|
|
3766 | enable_times (int enabled = enable_times) |
|
|
3767 | CODE: |
|
|
3768 | { |
|
|
3769 | RETVAL = boolSV (enable_times); |
|
|
3770 | |
|
|
3771 | if (enabled != enable_times) |
|
|
3772 | { |
|
|
3773 | enable_times = enabled; |
|
|
3774 | |
|
|
3775 | coro_times_update (); |
|
|
3776 | (enabled ? coro_times_sub : coro_times_add)(SvSTATE (coro_current)); |
|
|
3777 | } |
|
|
3778 | } |
|
|
3779 | OUTPUT: |
|
|
3780 | RETVAL |
|
|
3781 | |
|
|
3782 | void |
|
|
3783 | times (Coro::State self) |
|
|
3784 | PPCODE: |
|
|
3785 | { |
|
|
3786 | struct coro *current = SvSTATE (coro_current); |
|
|
3787 | |
|
|
3788 | if (ecb_expect_false (current == self)) |
|
|
3789 | { |
|
|
3790 | coro_times_update (); |
|
|
3791 | coro_times_add (SvSTATE (coro_current)); |
|
|
3792 | } |
|
|
3793 | |
|
|
3794 | EXTEND (SP, 2); |
|
|
3795 | PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9))); |
|
|
3796 | PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9))); |
|
|
3797 | |
|
|
3798 | if (ecb_expect_false (current == self)) |
|
|
3799 | coro_times_sub (SvSTATE (coro_current)); |
|
|
3800 | } |
|
|
3801 | |
|
|
3802 | void |
|
|
3803 | swap_sv (Coro::State coro, SV *sv, SV *swapsv) |
|
|
3804 | CODE: |
|
|
3805 | { |
|
|
3806 | struct coro *current = SvSTATE_current; |
|
|
3807 | |
|
|
3808 | if (current == coro) |
|
|
3809 | SWAP_SVS (current); |
|
|
3810 | |
|
|
3811 | if (!coro->swap_sv) |
|
|
3812 | coro->swap_sv = newAV (); |
|
|
3813 | |
|
|
3814 | av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (sv ))); |
|
|
3815 | av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (swapsv))); |
|
|
3816 | |
|
|
3817 | if (current == coro) |
|
|
3818 | SWAP_SVS (current); |
|
|
3819 | } |
3220 | |
3820 | |
3221 | |
3821 | |
3222 | MODULE = Coro::State PACKAGE = Coro |
3822 | MODULE = Coro::State PACKAGE = Coro |
3223 | |
3823 | |
3224 | BOOT: |
3824 | BOOT: |
3225 | { |
3825 | { |
3226 | int i; |
|
|
3227 | |
|
|
3228 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3826 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3229 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3827 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3230 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
3828 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
3231 | cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD); |
|
|
3232 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
3829 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
3233 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
3830 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
3234 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
3831 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
3235 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
3832 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
3236 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
3833 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
3237 | |
3834 | |
3238 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3835 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3239 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3836 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3240 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3837 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3241 | cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new); |
3838 | CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ |
3242 | |
3839 | |
3243 | coro_stash = gv_stashpv ("Coro", TRUE); |
3840 | coro_stash = gv_stashpv ("Coro", TRUE); |
3244 | |
3841 | |
3245 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
3842 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
3246 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
3843 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
3247 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); |
3844 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); |
3248 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); |
3845 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (CORO_PRIO_LOW)); |
3249 | newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE)); |
3846 | newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (CORO_PRIO_IDLE)); |
3250 | newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN)); |
3847 | newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (CORO_PRIO_MIN)); |
3251 | |
3848 | |
3252 | { |
3849 | { |
3253 | SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE); |
3850 | SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE); |
3254 | |
3851 | |
3255 | coroapi.schedule = api_schedule; |
3852 | coroapi.schedule = api_schedule; |
… | |
… | |
3265 | sv_setiv (sv, (IV)&coroapi); |
3862 | sv_setiv (sv, (IV)&coroapi); |
3266 | SvREADONLY_on (sv); |
3863 | SvREADONLY_on (sv); |
3267 | } |
3864 | } |
3268 | } |
3865 | } |
3269 | |
3866 | |
|
|
3867 | SV * |
|
|
3868 | async (...) |
|
|
3869 | PROTOTYPE: &@ |
|
|
3870 | CODE: |
|
|
3871 | RETVAL = coro_new (aTHX_ coro_stash, &ST (0), items, 1); |
|
|
3872 | api_ready (aTHX_ RETVAL); |
|
|
3873 | OUTPUT: |
|
|
3874 | RETVAL |
|
|
3875 | |
|
|
3876 | void |
|
|
3877 | _destroy (Coro::State coro) |
|
|
3878 | CODE: |
|
|
3879 | /* used by the manager thread */ |
|
|
3880 | coro_state_destroy (aTHX_ coro); |
|
|
3881 | |
|
|
3882 | void |
|
|
3883 | on_destroy (Coro::State coro, SV *cb) |
|
|
3884 | CODE: |
|
|
3885 | coro_push_on_destroy (aTHX_ coro, newSVsv (cb)); |
|
|
3886 | |
|
|
3887 | void |
|
|
3888 | join (...) |
|
|
3889 | CODE: |
|
|
3890 | CORO_EXECUTE_SLF_XS (slf_init_join); |
|
|
3891 | |
3270 | void |
3892 | void |
3271 | terminate (...) |
3893 | terminate (...) |
3272 | CODE: |
3894 | CODE: |
3273 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
3895 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
|
|
3896 | |
|
|
3897 | void |
|
|
3898 | cancel (...) |
|
|
3899 | CODE: |
|
|
3900 | CORO_EXECUTE_SLF_XS (slf_init_cancel); |
|
|
3901 | |
|
|
3902 | int |
|
|
3903 | safe_cancel (Coro::State self, ...) |
|
|
3904 | C_ARGS: aTHX_ self, &ST (1), items - 1 |
3274 | |
3905 | |
3275 | void |
3906 | void |
3276 | schedule (...) |
3907 | schedule (...) |
3277 | CODE: |
3908 | CODE: |
3278 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
3909 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
… | |
… | |
3307 | void |
3938 | void |
3308 | _set_readyhook (SV *hook) |
3939 | _set_readyhook (SV *hook) |
3309 | PROTOTYPE: $ |
3940 | PROTOTYPE: $ |
3310 | CODE: |
3941 | CODE: |
3311 | SvREFCNT_dec (coro_readyhook); |
3942 | SvREFCNT_dec (coro_readyhook); |
|
|
3943 | SvGETMAGIC (hook); |
|
|
3944 | if (SvOK (hook)) |
|
|
3945 | { |
3312 | coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0; |
3946 | coro_readyhook = newSVsv (hook); |
|
|
3947 | CORO_READYHOOK = invoke_sv_ready_hook_helper; |
|
|
3948 | } |
|
|
3949 | else |
|
|
3950 | { |
|
|
3951 | coro_readyhook = 0; |
|
|
3952 | CORO_READYHOOK = 0; |
|
|
3953 | } |
3313 | |
3954 | |
3314 | int |
3955 | int |
3315 | prio (Coro::State coro, int newprio = 0) |
3956 | prio (Coro::State coro, int newprio = 0) |
3316 | PROTOTYPE: $;$ |
3957 | PROTOTYPE: $;$ |
3317 | ALIAS: |
3958 | ALIAS: |
… | |
… | |
3323 | if (items > 1) |
3964 | if (items > 1) |
3324 | { |
3965 | { |
3325 | if (ix) |
3966 | if (ix) |
3326 | newprio = coro->prio - newprio; |
3967 | newprio = coro->prio - newprio; |
3327 | |
3968 | |
3328 | if (newprio < PRIO_MIN) newprio = PRIO_MIN; |
3969 | if (newprio < CORO_PRIO_MIN) newprio = CORO_PRIO_MIN; |
3329 | if (newprio > PRIO_MAX) newprio = PRIO_MAX; |
3970 | if (newprio > CORO_PRIO_MAX) newprio = CORO_PRIO_MAX; |
3330 | |
3971 | |
3331 | coro->prio = newprio; |
3972 | coro->prio = newprio; |
3332 | } |
3973 | } |
3333 | } |
3974 | } |
3334 | OUTPUT: |
3975 | OUTPUT: |
… | |
… | |
3381 | for (i = 1; i < items; ++i) |
4022 | for (i = 1; i < items; ++i) |
3382 | av_push (av, SvREFCNT_inc_NN (ST (i))); |
4023 | av_push (av, SvREFCNT_inc_NN (ST (i))); |
3383 | |
4024 | |
3384 | if ((SV *)hv == &PL_sv_undef) |
4025 | if ((SV *)hv == &PL_sv_undef) |
3385 | { |
4026 | { |
3386 | PUSHMARK (SP); |
4027 | SV *sv = coro_new (aTHX_ coro_stash, (SV **)&cv_pool_handler, 1, 1); |
3387 | EXTEND (SP, 2); |
|
|
3388 | PUSHs (sv_Coro); |
|
|
3389 | PUSHs ((SV *)cv_pool_handler); |
|
|
3390 | PUTBACK; |
|
|
3391 | call_sv ((SV *)cv_coro_state_new, G_SCALAR); |
|
|
3392 | SPAGAIN; |
|
|
3393 | |
|
|
3394 | hv = (HV *)SvREFCNT_inc_NN (SvRV (POPs)); |
4028 | hv = (HV *)SvREFCNT_inc_NN (SvRV (sv)); |
|
|
4029 | SvREFCNT_dec (sv); |
3395 | } |
4030 | } |
3396 | |
4031 | |
3397 | { |
4032 | { |
3398 | struct coro *coro = SvSTATE_hv (hv); |
4033 | struct coro *coro = SvSTATE_hv (hv); |
3399 | |
4034 | |
… | |
… | |
3431 | on_leave = 1 |
4066 | on_leave = 1 |
3432 | PROTOTYPE: & |
4067 | PROTOTYPE: & |
3433 | CODE: |
4068 | CODE: |
3434 | { |
4069 | { |
3435 | struct coro *coro = SvSTATE_current; |
4070 | struct coro *coro = SvSTATE_current; |
3436 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
4071 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
3437 | |
4072 | |
3438 | block = (SV *)coro_sv_2cv (aTHX_ block); |
4073 | block = s_get_cv_croak (block); |
3439 | |
4074 | |
3440 | if (!*avp) |
4075 | if (!*avp) |
3441 | *avp = newAV (); |
4076 | *avp = newAV (); |
3442 | |
4077 | |
3443 | av_push (*avp, SvREFCNT_inc (block)); |
4078 | av_push (*avp, SvREFCNT_inc (block)); |
… | |
… | |
3460 | MODULE = Coro::State PACKAGE = Coro::Semaphore |
4095 | MODULE = Coro::State PACKAGE = Coro::Semaphore |
3461 | |
4096 | |
3462 | SV * |
4097 | SV * |
3463 | new (SV *klass, SV *count = 0) |
4098 | new (SV *klass, SV *count = 0) |
3464 | CODE: |
4099 | CODE: |
|
|
4100 | { |
|
|
4101 | int semcnt = 1; |
|
|
4102 | |
|
|
4103 | if (count) |
|
|
4104 | { |
|
|
4105 | SvGETMAGIC (count); |
|
|
4106 | |
|
|
4107 | if (SvOK (count)) |
|
|
4108 | semcnt = SvIV (count); |
|
|
4109 | } |
|
|
4110 | |
3465 | RETVAL = sv_bless ( |
4111 | RETVAL = sv_bless ( |
3466 | coro_waitarray_new (aTHX_ count && SvOK (count) ? SvIV (count) : 1), |
4112 | coro_waitarray_new (aTHX_ semcnt), |
3467 | GvSTASH (CvGV (cv)) |
4113 | GvSTASH (CvGV (cv)) |
3468 | ); |
4114 | ); |
|
|
4115 | } |
3469 | OUTPUT: |
4116 | OUTPUT: |
3470 | RETVAL |
4117 | RETVAL |
3471 | |
4118 | |
3472 | # helper for Coro::Channel and others |
4119 | # helper for Coro::Channel and others |
3473 | SV * |
4120 | SV * |
… | |
… | |
3519 | XSRETURN_NO; |
4166 | XSRETURN_NO; |
3520 | } |
4167 | } |
3521 | |
4168 | |
3522 | void |
4169 | void |
3523 | waiters (SV *self) |
4170 | waiters (SV *self) |
3524 | PPCODE: |
4171 | PPCODE: |
3525 | { |
4172 | { |
3526 | AV *av = (AV *)SvRV (self); |
4173 | AV *av = (AV *)SvRV (self); |
3527 | int wcount = AvFILLp (av) + 1 - 1; |
4174 | int wcount = AvFILLp (av) + 1 - 1; |
3528 | |
4175 | |
3529 | if (GIMME_V == G_SCALAR) |
4176 | if (GIMME_V == G_SCALAR) |
… | |
… | |
3538 | } |
4185 | } |
3539 | |
4186 | |
3540 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
4187 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
3541 | |
4188 | |
3542 | void |
4189 | void |
3543 | _may_delete (SV *sem, int count, int extra_refs) |
4190 | _may_delete (SV *sem, int count, unsigned int extra_refs) |
3544 | PPCODE: |
4191 | PPCODE: |
3545 | { |
4192 | { |
3546 | AV *av = (AV *)SvRV (sem); |
4193 | AV *av = (AV *)SvRV (sem); |
3547 | |
4194 | |
3548 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
4195 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
3549 | && AvFILLp (av) == 0 /* no waiters, just count */ |
4196 | && AvFILLp (av) == 0 /* no waiters, just count */ |
3550 | && SvIV (AvARRAY (av)[0]) == count) |
4197 | && SvIV (AvARRAY (av)[0]) == count) |
3551 | XSRETURN_YES; |
4198 | XSRETURN_YES; |
… | |
… | |
3572 | |
4219 | |
3573 | void |
4220 | void |
3574 | broadcast (SV *self) |
4221 | broadcast (SV *self) |
3575 | CODE: |
4222 | CODE: |
3576 | { |
4223 | { |
3577 | AV *av = (AV *)SvRV (self); |
4224 | AV *av = (AV *)SvRV (self); |
3578 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
4225 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
3579 | } |
4226 | } |
3580 | |
4227 | |
3581 | void |
4228 | void |
3582 | send (SV *self) |
4229 | send (SV *self) |
… | |
… | |
3590 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
4237 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
3591 | } |
4238 | } |
3592 | |
4239 | |
3593 | IV |
4240 | IV |
3594 | awaited (SV *self) |
4241 | awaited (SV *self) |
3595 | CODE: |
4242 | CODE: |
3596 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
4243 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
3597 | OUTPUT: |
4244 | OUTPUT: |
3598 | RETVAL |
4245 | RETVAL |
3599 | |
4246 | |
3600 | |
4247 | |
… | |
… | |
3605 | |
4252 | |
3606 | void |
4253 | void |
3607 | _schedule (...) |
4254 | _schedule (...) |
3608 | CODE: |
4255 | CODE: |
3609 | { |
4256 | { |
3610 | static int incede; |
4257 | static int incede; |
3611 | |
4258 | |
3612 | api_cede_notself (aTHX); |
4259 | api_cede_notself (aTHX); |
3613 | |
4260 | |
3614 | ++incede; |
4261 | ++incede; |
3615 | while (coro_nready >= incede && api_cede (aTHX)) |
4262 | while (coro_nready >= incede && api_cede (aTHX)) |
… | |
… | |
3631 | |
4278 | |
3632 | void |
4279 | void |
3633 | _register (char *target, char *proto, SV *req) |
4280 | _register (char *target, char *proto, SV *req) |
3634 | CODE: |
4281 | CODE: |
3635 | { |
4282 | { |
3636 | CV *req_cv = coro_sv_2cv (aTHX_ req); |
4283 | SV *req_cv = s_get_cv_croak (req); |
3637 | /* newXSproto doesn't return the CV on 5.8 */ |
4284 | /* newXSproto doesn't return the CV on 5.8 */ |
3638 | CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__); |
4285 | CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__); |
3639 | sv_setpv ((SV *)slf_cv, proto); |
4286 | sv_setpv ((SV *)slf_cv, proto); |
3640 | sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0); |
4287 | sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0); |
3641 | } |
4288 | } |
3642 | |
4289 | |
|
|
4290 | MODULE = Coro::State PACKAGE = Coro::Select |
|
|
4291 | |
|
|
4292 | void |
|
|
4293 | patch_pp_sselect () |
|
|
4294 | CODE: |
|
|
4295 | if (!coro_old_pp_sselect) |
|
|
4296 | { |
|
|
4297 | coro_select_select = (SV *)get_cv ("Coro::Select::select", 0); |
|
|
4298 | coro_old_pp_sselect = PL_ppaddr [OP_SSELECT]; |
|
|
4299 | PL_ppaddr [OP_SSELECT] = coro_pp_sselect; |
|
|
4300 | } |
|
|
4301 | |
|
|
4302 | void |
|
|
4303 | unpatch_pp_sselect () |
|
|
4304 | CODE: |
|
|
4305 | if (coro_old_pp_sselect) |
|
|
4306 | { |
|
|
4307 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
|
|
4308 | coro_old_pp_sselect = 0; |
|
|
4309 | } |
|
|
4310 | |
|
|
4311 | MODULE = Coro::State PACKAGE = Coro::Util |
|
|
4312 | |
|
|
4313 | void |
|
|
4314 | _exit (int code) |
|
|
4315 | CODE: |
|
|
4316 | _exit (code); |
|
|
4317 | |
|
|
4318 | NV |
|
|
4319 | time () |
|
|
4320 | CODE: |
|
|
4321 | RETVAL = nvtime (aTHX); |
|
|
4322 | OUTPUT: |
|
|
4323 | RETVAL |
|
|
4324 | |
|
|
4325 | NV |
|
|
4326 | gettimeofday () |
|
|
4327 | PPCODE: |
|
|
4328 | { |
|
|
4329 | UV tv [2]; |
|
|
4330 | u2time (aTHX_ tv); |
|
|
4331 | EXTEND (SP, 2); |
|
|
4332 | PUSHs (sv_2mortal (newSVuv (tv [0]))); |
|
|
4333 | PUSHs (sv_2mortal (newSVuv (tv [1]))); |
|
|
4334 | } |
|
|
4335 | |