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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 | |
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48 | /* 5.19.something has replaced SVt_BIND by SVt_INVLIST */ |
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49 | /* we just alias it to SVt_IV, as that is sufficient for swap_sv for now */ |
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50 | #if PERL_VERSION_ATLEAST(5,19,0) |
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51 | # define SVt_BIND SVt_IV |
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52 | #endif |
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53 | |
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54 | #if defined(_WIN32) |
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55 | # undef HAS_GETTIMEOFDAY |
18 | # undef setjmp |
56 | # undef setjmp |
19 | # undef longjmp |
57 | # undef longjmp |
20 | # undef _exit |
58 | # undef _exit |
21 | # define setjmp _setjmp /* deep magic */ |
59 | # define setjmp _setjmp /* deep magic */ |
22 | #else |
60 | #else |
23 | # include <inttypes.h> /* most portable stdint.h */ |
61 | # include <inttypes.h> /* most portable stdint.h */ |
24 | #endif |
62 | #endif |
25 | |
63 | |
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 */ |
64 | /* the maximum number of idle cctx that will be pooled */ |
54 | static int cctx_max_idle = 4; |
65 | static int cctx_max_idle = 4; |
55 | |
66 | |
56 | #define PERL_VERSION_ATLEAST(a,b,c) \ |
67 | #if defined(DEBUGGING) && PERL_VERSION_ATLEAST(5,12,0) |
57 | (PERL_REVISION > (a) \ |
68 | # 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 |
69 | #endif |
122 | |
70 | |
123 | /* prefer perl internal functions over our own? */ |
71 | /* prefer perl internal functions over our own? */ |
124 | #ifndef CORO_PREFER_PERL_FUNCTIONS |
72 | #ifndef CORO_PREFER_PERL_FUNCTIONS |
125 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
73 | # define CORO_PREFER_PERL_FUNCTIONS 0 |
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133 | #else |
81 | #else |
134 | # define dSTACKLEVEL volatile void *stacklevel |
82 | # define dSTACKLEVEL volatile void *stacklevel |
135 | # define STACKLEVEL ((void *)&stacklevel) |
83 | # define STACKLEVEL ((void *)&stacklevel) |
136 | #endif |
84 | #endif |
137 | |
85 | |
138 | #define IN_DESTRUCT (PL_main_cv == Nullcv) |
86 | #define IN_DESTRUCT PL_dirty |
139 | |
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140 | #if __GNUC__ >= 3 |
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141 | # define attribute(x) __attribute__(x) |
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142 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
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143 | # define INLINE static inline |
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144 | #else |
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145 | # define attribute(x) |
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146 | # define expect(expr,value) (expr) |
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147 | # define INLINE static |
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148 | #endif |
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149 | |
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150 | #define expect_false(expr) expect ((expr) != 0, 0) |
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151 | #define expect_true(expr) expect ((expr) != 0, 1) |
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152 | |
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153 | #define NOINLINE attribute ((noinline)) |
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154 | |
87 | |
155 | #include "CoroAPI.h" |
88 | #include "CoroAPI.h" |
156 | #define GCoroAPI (&coroapi) /* very sneaky */ |
89 | #define GCoroAPI (&coroapi) /* very sneaky */ |
157 | |
90 | |
158 | #ifdef USE_ITHREADS |
91 | #ifdef USE_ITHREADS |
159 | # if CORO_PTHREAD |
92 | # if CORO_PTHREAD |
160 | static void *coro_thx; |
93 | static void *coro_thx; |
161 | # endif |
94 | # endif |
162 | #endif |
95 | #endif |
163 | |
96 | |
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97 | #ifdef __linux |
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98 | # include <time.h> /* for timespec */ |
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99 | # include <syscall.h> /* for SYS_* */ |
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100 | # ifdef SYS_clock_gettime |
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101 | # define coro_clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) |
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102 | # define CORO_CLOCK_MONOTONIC 1 |
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103 | # define CORO_CLOCK_THREAD_CPUTIME_ID 3 |
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104 | # endif |
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105 | #endif |
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106 | |
164 | static double (*nvtime)(); /* so why doesn't it take void? */ |
107 | static double (*nvtime)(); /* so why doesn't it take void? */ |
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108 | static void (*u2time)(pTHX_ UV ret[2]); |
165 | |
109 | |
166 | /* we hijack an hopefully unused CV flag for our purposes */ |
110 | /* we hijack an hopefully unused CV flag for our purposes */ |
167 | #define CVf_SLF 0x4000 |
111 | #define CVf_SLF 0x4000 |
168 | static OP *pp_slf (pTHX); |
112 | static OP *pp_slf (pTHX); |
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113 | static void slf_destroy (pTHX_ struct coro *coro); |
169 | |
114 | |
170 | static U32 cctx_gen; |
115 | static U32 cctx_gen; |
171 | static size_t cctx_stacksize = CORO_STACKSIZE; |
116 | static size_t cctx_stacksize = CORO_STACKSIZE; |
172 | static struct CoroAPI coroapi; |
117 | static struct CoroAPI coroapi; |
173 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
118 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
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190 | static SV *sv_pool_size; |
135 | static SV *sv_pool_size; |
191 | static SV *sv_async_pool_idle; /* description string */ |
136 | static SV *sv_async_pool_idle; /* description string */ |
192 | static AV *av_async_pool; /* idle pool */ |
137 | static AV *av_async_pool; /* idle pool */ |
193 | static SV *sv_Coro; /* class string */ |
138 | static SV *sv_Coro; /* class string */ |
194 | static CV *cv_pool_handler; |
139 | static CV *cv_pool_handler; |
195 | static CV *cv_coro_state_new; |
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196 | |
140 | |
197 | /* Coro::AnyEvent */ |
141 | /* Coro::AnyEvent */ |
198 | static SV *sv_activity; |
142 | static SV *sv_activity; |
199 | |
143 | |
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144 | /* enable processtime/realtime profiling */ |
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145 | static char enable_times; |
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146 | typedef U32 coro_ts[2]; |
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147 | static coro_ts time_real, time_cpu; |
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148 | static char times_valid; |
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149 | |
200 | static struct coro_cctx *cctx_first; |
150 | static struct coro_cctx *cctx_first; |
201 | static int cctx_count, cctx_idle; |
151 | static int cctx_count, cctx_idle; |
202 | |
152 | |
203 | enum { |
153 | enum |
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154 | { |
204 | CC_MAPPED = 0x01, |
155 | CC_MAPPED = 0x01, |
205 | CC_NOREUSE = 0x02, /* throw this away after tracing */ |
156 | CC_NOREUSE = 0x02, /* throw this away after tracing */ |
206 | CC_TRACE = 0x04, |
157 | CC_TRACE = 0x04, |
207 | CC_TRACE_SUB = 0x08, /* trace sub calls */ |
158 | CC_TRACE_SUB = 0x08, /* trace sub calls */ |
208 | CC_TRACE_LINE = 0x10, /* trace each statement */ |
159 | CC_TRACE_LINE = 0x10, /* trace each statement */ |
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213 | typedef struct coro_cctx |
164 | typedef struct coro_cctx |
214 | { |
165 | { |
215 | struct coro_cctx *next; |
166 | struct coro_cctx *next; |
216 | |
167 | |
217 | /* the stack */ |
168 | /* the stack */ |
218 | void *sptr; |
169 | struct coro_stack stack; |
219 | size_t ssize; |
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220 | |
170 | |
221 | /* cpu state */ |
171 | /* cpu state */ |
222 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
172 | void *idle_sp; /* sp of top-level transfer/schedule/cede call */ |
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173 | #ifndef NDEBUG |
223 | JMPENV *idle_te; /* same as idle_sp, but for top_env, TODO: remove once stable */ |
174 | JMPENV *idle_te; /* same as idle_sp, but for top_env */ |
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175 | #endif |
224 | JMPENV *top_env; |
176 | JMPENV *top_env; |
225 | coro_context cctx; |
177 | coro_context cctx; |
226 | |
178 | |
227 | U32 gen; |
179 | U32 gen; |
228 | #if CORO_USE_VALGRIND |
180 | #if CORO_USE_VALGRIND |
229 | int valgrind_id; |
181 | int valgrind_id; |
230 | #endif |
182 | #endif |
231 | unsigned char flags; |
183 | unsigned char flags; |
232 | } coro_cctx; |
184 | } coro_cctx; |
233 | |
185 | |
234 | coro_cctx *cctx_current; /* the currently running cctx */ |
186 | static coro_cctx *cctx_current; /* the currently running cctx */ |
235 | |
187 | |
236 | /*****************************************************************************/ |
188 | /*****************************************************************************/ |
237 | |
189 | |
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190 | static MGVTBL coro_state_vtbl; |
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191 | |
238 | enum { |
192 | enum |
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193 | { |
239 | CF_RUNNING = 0x0001, /* coroutine is running */ |
194 | CF_RUNNING = 0x0001, /* coroutine is running */ |
240 | CF_READY = 0x0002, /* coroutine is ready */ |
195 | CF_READY = 0x0002, /* coroutine is ready */ |
241 | CF_NEW = 0x0004, /* has never been switched to */ |
196 | CF_NEW = 0x0004, /* has never been switched to */ |
242 | CF_DESTROYED = 0x0008, /* coroutine data has been freed */ |
197 | CF_ZOMBIE = 0x0008, /* coroutine data has been freed */ |
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198 | CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */ |
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199 | CF_NOCANCEL = 0x0020, /* cannot cancel, set slf_frame.data to 1 (hackish) */ |
243 | }; |
200 | }; |
244 | |
201 | |
245 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
202 | /* the structure where most of the perl state is stored, overlaid on the cxstack */ |
246 | typedef struct |
203 | typedef struct |
247 | { |
204 | { |
248 | SV *defsv; |
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249 | AV *defav; |
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250 | SV *errsv; |
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251 | SV *irsgv; |
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252 | HV *hinthv; |
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253 | #define VAR(name,type) type name; |
205 | #define VARx(name,expr,type) type name; |
254 | # include "state.h" |
206 | #include "state.h" |
255 | #undef VAR |
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256 | } perl_slots; |
207 | } perl_slots; |
257 | |
208 | |
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209 | /* how many context stack entries do we need for perl_slots */ |
258 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
210 | #define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) |
259 | |
211 | |
260 | /* this is a structure representing a perl-level coroutine */ |
212 | /* this is a structure representing a perl-level coroutine */ |
261 | struct coro { |
213 | struct coro |
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214 | { |
262 | /* the C coroutine allocated to this perl coroutine, if any */ |
215 | /* the C coroutine allocated to this perl coroutine, if any */ |
263 | coro_cctx *cctx; |
216 | coro_cctx *cctx; |
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217 | |
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218 | /* ready queue */ |
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219 | struct coro *next_ready; |
264 | |
220 | |
265 | /* state data */ |
221 | /* state data */ |
266 | struct CoroSLF slf_frame; /* saved slf frame */ |
222 | struct CoroSLF slf_frame; /* saved slf frame */ |
267 | AV *mainstack; |
223 | AV *mainstack; |
268 | perl_slots *slot; /* basically the saved sp */ |
224 | perl_slots *slot; /* basically the saved sp */ |
269 | |
225 | |
270 | CV *startcv; /* the CV to execute */ |
226 | CV *startcv; /* the CV to execute */ |
271 | AV *args; /* data associated with this coroutine (initial args) */ |
227 | AV *args; /* data associated with this coroutine (initial args) */ |
272 | int refcnt; /* coroutines are refcounted, yes */ |
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273 | int flags; /* CF_ flags */ |
228 | int flags; /* CF_ flags */ |
274 | HV *hv; /* the perl hash associated with this coro, if any */ |
229 | HV *hv; /* the perl hash associated with this coro, if any */ |
275 | void (*on_destroy)(pTHX_ struct coro *coro); |
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276 | |
230 | |
277 | /* statistics */ |
231 | /* statistics */ |
278 | int usecount; /* number of transfers to this coro */ |
232 | int usecount; /* number of transfers to this coro */ |
279 | |
233 | |
280 | /* coro process data */ |
234 | /* coro process data */ |
281 | int prio; |
235 | int prio; |
282 | SV *except; /* exception to be thrown */ |
236 | SV *except; /* exception to be thrown */ |
283 | SV *rouse_cb; |
237 | SV *rouse_cb; /* last rouse callback */ |
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238 | AV *on_destroy; /* callbacks or coros to notify on destroy */ |
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239 | AV *status; /* the exit status list */ |
284 | |
240 | |
285 | /* async_pool */ |
241 | /* async_pool */ |
286 | SV *saved_deffh; |
242 | SV *saved_deffh; |
287 | SV *invoke_cb; |
243 | SV *invoke_cb; |
288 | AV *invoke_av; |
244 | AV *invoke_av; |
289 | |
245 | |
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246 | /* on_enter/on_leave */ |
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247 | AV *on_enter; |
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248 | AV *on_leave; |
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249 | |
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250 | /* swap_sv */ |
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251 | AV *swap_sv; |
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252 | |
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253 | /* times */ |
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254 | coro_ts t_cpu, t_real; |
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255 | |
290 | /* linked list */ |
256 | /* linked list */ |
291 | struct coro *next, *prev; |
257 | struct coro *next, *prev; |
292 | }; |
258 | }; |
293 | |
259 | |
294 | typedef struct coro *Coro__State; |
260 | typedef struct coro *Coro__State; |
295 | typedef struct coro *Coro__State_or_hashref; |
261 | typedef struct coro *Coro__State_or_hashref; |
296 | |
262 | |
297 | /* the following variables are effectively part of the perl context */ |
263 | /* the following variables are effectively part of the perl context */ |
298 | /* and get copied between struct coro and these variables */ |
264 | /* and get copied between struct coro and these variables */ |
299 | /* the mainr easonw e don't support windows process emulation */ |
265 | /* the main reason we don't support windows process emulation */ |
300 | static struct CoroSLF slf_frame; /* the current slf frame */ |
266 | static struct CoroSLF slf_frame; /* the current slf frame */ |
301 | |
267 | |
302 | /** Coro ********************************************************************/ |
268 | /** Coro ********************************************************************/ |
303 | |
269 | |
304 | #define PRIO_MAX 3 |
270 | #define CORO_PRIO_MAX 3 |
305 | #define PRIO_HIGH 1 |
271 | #define CORO_PRIO_HIGH 1 |
306 | #define PRIO_NORMAL 0 |
272 | #define CORO_PRIO_NORMAL 0 |
307 | #define PRIO_LOW -1 |
273 | #define CORO_PRIO_LOW -1 |
308 | #define PRIO_IDLE -3 |
274 | #define CORO_PRIO_IDLE -3 |
309 | #define PRIO_MIN -4 |
275 | #define CORO_PRIO_MIN -4 |
310 | |
276 | |
311 | /* for Coro.pm */ |
277 | /* for Coro.pm */ |
312 | static SV *coro_current; |
278 | static SV *coro_current; |
313 | static SV *coro_readyhook; |
279 | static SV *coro_readyhook; |
314 | static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1]; |
280 | static struct coro *coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; /* head|tail */ |
315 | static CV *cv_coro_run, *cv_coro_terminate; |
281 | static CV *cv_coro_run; |
316 | static struct coro *coro_first; |
282 | static struct coro *coro_first; |
317 | #define coro_nready coroapi.nready |
283 | #define coro_nready coroapi.nready |
318 | |
284 | |
|
|
285 | /** JIT *********************************************************************/ |
|
|
286 | |
|
|
287 | #if CORO_JIT |
|
|
288 | /* APPLE doesn't have mmap though */ |
|
|
289 | #define CORO_JIT_UNIXY (__linux || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __solaris || __APPLE__) |
|
|
290 | #ifndef CORO_JIT_TYPE |
|
|
291 | #if ECB_AMD64 && CORO_JIT_UNIXY |
|
|
292 | #define CORO_JIT_TYPE "amd64-unix" |
|
|
293 | #elif __i386 && CORO_JIT_UNIXY |
|
|
294 | #define CORO_JIT_TYPE "x86-unix" |
|
|
295 | #endif |
|
|
296 | #endif |
|
|
297 | #endif |
|
|
298 | |
|
|
299 | #if !defined(CORO_JIT_TYPE) || _POSIX_MEMORY_PROTECTION <= 0 |
|
|
300 | #undef CORO_JIT |
|
|
301 | #endif |
|
|
302 | |
|
|
303 | #if CORO_JIT |
|
|
304 | typedef void (*load_save_perl_slots_type)(perl_slots *); |
|
|
305 | static load_save_perl_slots_type load_perl_slots, save_perl_slots; |
|
|
306 | #endif |
|
|
307 | |
|
|
308 | /** Coro::Select ************************************************************/ |
|
|
309 | |
|
|
310 | static OP *(*coro_old_pp_sselect) (pTHX); |
|
|
311 | static SV *coro_select_select; |
|
|
312 | |
|
|
313 | /* horrible hack, but if it works... */ |
|
|
314 | static OP * |
|
|
315 | coro_pp_sselect (pTHX) |
|
|
316 | { |
|
|
317 | dSP; |
|
|
318 | PUSHMARK (SP - 4); /* fake argument list */ |
|
|
319 | XPUSHs (coro_select_select); |
|
|
320 | PUTBACK; |
|
|
321 | |
|
|
322 | /* entersub is an UNOP, select a LISTOP... keep your fingers crossed */ |
|
|
323 | PL_op->op_flags |= OPf_STACKED; |
|
|
324 | PL_op->op_private = 0; |
|
|
325 | return PL_ppaddr [OP_ENTERSUB](aTHX); |
|
|
326 | } |
|
|
327 | |
|
|
328 | /** time stuff **************************************************************/ |
|
|
329 | |
|
|
330 | #ifdef HAS_GETTIMEOFDAY |
|
|
331 | |
|
|
332 | ecb_inline void |
|
|
333 | coro_u2time (pTHX_ UV ret[2]) |
|
|
334 | { |
|
|
335 | struct timeval tv; |
|
|
336 | gettimeofday (&tv, 0); |
|
|
337 | |
|
|
338 | ret [0] = tv.tv_sec; |
|
|
339 | ret [1] = tv.tv_usec; |
|
|
340 | } |
|
|
341 | |
|
|
342 | ecb_inline double |
|
|
343 | coro_nvtime (void) |
|
|
344 | { |
|
|
345 | struct timeval tv; |
|
|
346 | gettimeofday (&tv, 0); |
|
|
347 | |
|
|
348 | return tv.tv_sec + tv.tv_usec * 1e-6; |
|
|
349 | } |
|
|
350 | |
|
|
351 | ecb_inline void |
|
|
352 | time_init (pTHX) |
|
|
353 | { |
|
|
354 | nvtime = coro_nvtime; |
|
|
355 | u2time = coro_u2time; |
|
|
356 | } |
|
|
357 | |
|
|
358 | #else |
|
|
359 | |
|
|
360 | ecb_inline void |
|
|
361 | time_init (pTHX) |
|
|
362 | { |
|
|
363 | SV **svp; |
|
|
364 | |
|
|
365 | require_pv ("Time/HiRes.pm"); |
|
|
366 | |
|
|
367 | svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
|
|
368 | |
|
|
369 | if (!svp) croak ("Time::HiRes is required, but missing. Caught"); |
|
|
370 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught"); |
|
|
371 | |
|
|
372 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
|
|
373 | |
|
|
374 | svp = hv_fetch (PL_modglobal, "Time::U2time", 12, 0); |
|
|
375 | u2time = INT2PTR (void (*)(pTHX_ UV ret[2]), SvIV (*svp)); |
|
|
376 | } |
|
|
377 | |
|
|
378 | #endif |
|
|
379 | |
319 | /** lowlevel stuff **********************************************************/ |
380 | /** lowlevel stuff **********************************************************/ |
320 | |
381 | |
321 | static SV * |
382 | static SV * ecb_noinline |
322 | coro_get_sv (pTHX_ const char *name, int create) |
383 | coro_get_sv (pTHX_ const char *name, int create) |
323 | { |
384 | { |
324 | #if PERL_VERSION_ATLEAST (5,10,0) |
385 | #if PERL_VERSION_ATLEAST (5,10,0) |
325 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
386 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
326 | get_sv (name, create); |
387 | get_sv (name, create); |
327 | #endif |
388 | #endif |
328 | return get_sv (name, create); |
389 | return get_sv (name, create); |
329 | } |
390 | } |
330 | |
391 | |
331 | static AV * |
392 | static AV * ecb_noinline |
332 | coro_get_av (pTHX_ const char *name, int create) |
393 | coro_get_av (pTHX_ const char *name, int create) |
333 | { |
394 | { |
334 | #if PERL_VERSION_ATLEAST (5,10,0) |
395 | #if PERL_VERSION_ATLEAST (5,10,0) |
335 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
396 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
336 | get_av (name, create); |
397 | get_av (name, create); |
337 | #endif |
398 | #endif |
338 | return get_av (name, create); |
399 | return get_av (name, create); |
339 | } |
400 | } |
340 | |
401 | |
341 | static HV * |
402 | static HV * ecb_noinline |
342 | coro_get_hv (pTHX_ const char *name, int create) |
403 | coro_get_hv (pTHX_ const char *name, int create) |
343 | { |
404 | { |
344 | #if PERL_VERSION_ATLEAST (5,10,0) |
405 | #if PERL_VERSION_ATLEAST (5,10,0) |
345 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
406 | /* silence stupid and wrong 5.10 warning that I am unable to switch off */ |
346 | get_hv (name, create); |
407 | get_hv (name, create); |
347 | #endif |
408 | #endif |
348 | return get_hv (name, create); |
409 | return get_hv (name, create); |
349 | } |
410 | } |
350 | |
411 | |
351 | /* may croak */ |
412 | ecb_inline void |
352 | INLINE CV * |
413 | coro_times_update (void) |
353 | coro_sv_2cv (pTHX_ SV *sv) |
|
|
354 | { |
414 | { |
355 | HV *st; |
415 | #ifdef coro_clock_gettime |
356 | GV *gvp; |
416 | struct timespec ts; |
357 | return sv_2cv (sv, &st, &gvp, 0); |
|
|
358 | } |
|
|
359 | |
417 | |
360 | static AV * |
418 | ts.tv_sec = ts.tv_nsec = 0; |
|
|
419 | coro_clock_gettime (CORO_CLOCK_THREAD_CPUTIME_ID, &ts); |
|
|
420 | time_cpu [0] = ts.tv_sec; time_cpu [1] = ts.tv_nsec; |
|
|
421 | |
|
|
422 | ts.tv_sec = ts.tv_nsec = 0; |
|
|
423 | coro_clock_gettime (CORO_CLOCK_MONOTONIC, &ts); |
|
|
424 | time_real [0] = ts.tv_sec; time_real [1] = ts.tv_nsec; |
|
|
425 | #else |
|
|
426 | dTHX; |
|
|
427 | UV tv[2]; |
|
|
428 | |
|
|
429 | u2time (aTHX_ tv); |
|
|
430 | time_real [0] = tv [0]; |
|
|
431 | time_real [1] = tv [1] * 1000; |
|
|
432 | #endif |
|
|
433 | } |
|
|
434 | |
|
|
435 | ecb_inline void |
|
|
436 | coro_times_add (struct coro *c) |
|
|
437 | { |
|
|
438 | c->t_real [1] += time_real [1]; |
|
|
439 | if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } |
|
|
440 | c->t_real [0] += time_real [0]; |
|
|
441 | |
|
|
442 | c->t_cpu [1] += time_cpu [1]; |
|
|
443 | if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } |
|
|
444 | c->t_cpu [0] += time_cpu [0]; |
|
|
445 | } |
|
|
446 | |
|
|
447 | ecb_inline void |
|
|
448 | coro_times_sub (struct coro *c) |
|
|
449 | { |
|
|
450 | if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } |
|
|
451 | c->t_real [1] -= time_real [1]; |
|
|
452 | c->t_real [0] -= time_real [0]; |
|
|
453 | |
|
|
454 | if (c->t_cpu [1] < time_cpu [1]) { c->t_cpu [1] += 1000000000; --c->t_cpu [0]; } |
|
|
455 | c->t_cpu [1] -= time_cpu [1]; |
|
|
456 | c->t_cpu [0] -= time_cpu [0]; |
|
|
457 | } |
|
|
458 | |
|
|
459 | /*****************************************************************************/ |
|
|
460 | /* magic glue */ |
|
|
461 | |
|
|
462 | #define CORO_MAGIC_type_cv 26 |
|
|
463 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
|
|
464 | |
|
|
465 | #define CORO_MAGIC_NN(sv, type) \ |
|
|
466 | (ecb_expect_true (SvMAGIC (sv)->mg_type == type) \ |
|
|
467 | ? SvMAGIC (sv) \ |
|
|
468 | : mg_find (sv, type)) |
|
|
469 | |
|
|
470 | #define CORO_MAGIC(sv, type) \ |
|
|
471 | (ecb_expect_true (SvMAGIC (sv)) \ |
|
|
472 | ? CORO_MAGIC_NN (sv, type) \ |
|
|
473 | : 0) |
|
|
474 | |
|
|
475 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
|
|
476 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
|
|
477 | |
|
|
478 | ecb_inline MAGIC * |
|
|
479 | SvSTATEhv_p (pTHX_ SV *coro) |
|
|
480 | { |
|
|
481 | MAGIC *mg; |
|
|
482 | |
|
|
483 | if (ecb_expect_true ( |
|
|
484 | SvTYPE (coro) == SVt_PVHV |
|
|
485 | && (mg = CORO_MAGIC_state (coro)) |
|
|
486 | && mg->mg_virtual == &coro_state_vtbl |
|
|
487 | )) |
|
|
488 | return mg; |
|
|
489 | |
|
|
490 | return 0; |
|
|
491 | } |
|
|
492 | |
|
|
493 | ecb_inline struct coro * |
|
|
494 | SvSTATE_ (pTHX_ SV *coro) |
|
|
495 | { |
|
|
496 | MAGIC *mg; |
|
|
497 | |
|
|
498 | if (SvROK (coro)) |
|
|
499 | coro = SvRV (coro); |
|
|
500 | |
|
|
501 | mg = SvSTATEhv_p (aTHX_ coro); |
|
|
502 | if (!mg) |
|
|
503 | croak ("Coro::State object required"); |
|
|
504 | |
|
|
505 | return (struct coro *)mg->mg_ptr; |
|
|
506 | } |
|
|
507 | |
|
|
508 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
|
|
509 | |
|
|
510 | /* faster than SvSTATE, but expects a coroutine hv */ |
|
|
511 | #define SvSTATE_hv(hv) ((struct coro *)CORO_MAGIC_NN ((SV *)hv, CORO_MAGIC_type_state)->mg_ptr) |
|
|
512 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
|
|
513 | |
|
|
514 | /*****************************************************************************/ |
|
|
515 | /* padlist management and caching */ |
|
|
516 | |
|
|
517 | ecb_inline PADLIST * |
361 | coro_derive_padlist (pTHX_ CV *cv) |
518 | coro_derive_padlist (pTHX_ CV *cv) |
362 | { |
519 | { |
363 | AV *padlist = CvPADLIST (cv); |
520 | PADLIST *padlist = CvPADLIST (cv); |
364 | AV *newpadlist, *newpad; |
521 | PADLIST *newpadlist; |
|
|
522 | PAD *newpad; |
|
|
523 | PADOFFSET off = PadlistMAX (padlist) + 1; |
365 | |
524 | |
366 | newpadlist = newAV (); |
525 | #if NEWPADAPI |
|
|
526 | |
|
|
527 | /* if we had the original CvDEPTH, we might be able to steal the CvDEPTH+1 entry instead */ |
|
|
528 | /* 20131102194744.GA6705@schmorp.de, 20131102195825.2013.qmail@lists-nntp.develooper.com */ |
|
|
529 | while (!PadlistARRAY (padlist)[off - 1]) |
|
|
530 | --off; |
|
|
531 | |
|
|
532 | Perl_pad_push (aTHX_ padlist, off); |
|
|
533 | |
|
|
534 | newpad = PadlistARRAY (padlist)[off]; |
|
|
535 | PadlistARRAY (padlist)[off] = 0; |
|
|
536 | |
|
|
537 | #else |
|
|
538 | |
|
|
539 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
540 | Perl_pad_push (aTHX_ padlist, off); |
|
|
541 | #else |
|
|
542 | Perl_pad_push (aTHX_ padlist, off, 1); |
|
|
543 | #endif |
|
|
544 | |
|
|
545 | newpad = PadlistARRAY (padlist)[off]; |
|
|
546 | PadlistMAX (padlist) = off - 1; |
|
|
547 | |
|
|
548 | #endif |
|
|
549 | |
|
|
550 | newPADLIST (newpadlist); |
|
|
551 | #if !PERL_VERSION_ATLEAST(5,15,3) |
|
|
552 | /* Padlists are AvREAL as of 5.15.3. See perl bug #98092 and perl commit 7d953ba. */ |
367 | AvREAL_off (newpadlist); |
553 | AvREAL_off (newpadlist); |
368 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
369 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1); |
|
|
370 | #else |
|
|
371 | Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); |
|
|
372 | #endif |
554 | #endif |
373 | newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; |
|
|
374 | --AvFILLp (padlist); |
|
|
375 | |
555 | |
376 | av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE))); |
556 | /* Already extended to 2 elements by newPADLIST. */ |
377 | av_store (newpadlist, 1, (SV *)newpad); |
557 | PadlistMAX (newpadlist) = 1; |
|
|
558 | PadlistNAMES (newpadlist) = (PADNAMELIST *)SvREFCNT_inc_NN (PadlistNAMES (padlist)); |
|
|
559 | PadlistARRAY (newpadlist)[1] = newpad; |
378 | |
560 | |
379 | return newpadlist; |
561 | return newpadlist; |
380 | } |
562 | } |
381 | |
563 | |
382 | static void |
564 | ecb_inline void |
383 | free_padlist (pTHX_ AV *padlist) |
565 | free_padlist (pTHX_ PADLIST *padlist) |
384 | { |
566 | { |
385 | /* may be during global destruction */ |
567 | /* may be during global destruction */ |
386 | if (SvREFCNT (padlist)) |
568 | if (!IN_DESTRUCT) |
387 | { |
569 | { |
388 | I32 i = AvFILLp (padlist); |
570 | I32 i = PadlistMAX (padlist); |
389 | while (i >= 0) |
571 | |
|
|
572 | while (i > 0) /* special-case index 0 */ |
390 | { |
573 | { |
391 | SV **svp = av_fetch (padlist, i--, FALSE); |
574 | /* we try to be extra-careful here */ |
|
|
575 | PAD *pad = PadlistARRAY (padlist)[i--]; |
|
|
576 | |
392 | if (svp) |
577 | if (pad) |
393 | { |
578 | { |
394 | SV *sv; |
579 | I32 j = PadMAX (pad); |
395 | while (&PL_sv_undef != (sv = av_pop ((AV *)*svp))) |
580 | |
|
|
581 | while (j >= 0) |
396 | SvREFCNT_dec (sv); |
582 | SvREFCNT_dec (PadARRAY (pad)[j--]); |
397 | |
583 | |
|
|
584 | PadMAX (pad) = -1; |
398 | SvREFCNT_dec (*svp); |
585 | SvREFCNT_dec (pad); |
399 | } |
586 | } |
400 | } |
587 | } |
401 | |
588 | |
|
|
589 | SvREFCNT_dec (PadlistNAMES (padlist)); |
|
|
590 | |
|
|
591 | #if NEWPADAPI |
|
|
592 | Safefree (PadlistARRAY (padlist)); |
|
|
593 | Safefree (padlist); |
|
|
594 | #else |
|
|
595 | AvFILLp (padlist) = -1; |
|
|
596 | AvREAL_off (padlist); |
402 | SvREFCNT_dec ((SV*)padlist); |
597 | SvREFCNT_dec ((SV*)padlist); |
|
|
598 | #endif |
403 | } |
599 | } |
404 | } |
600 | } |
405 | |
601 | |
406 | static int |
602 | static int |
407 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
603 | coro_cv_free (pTHX_ SV *sv, MAGIC *mg) |
408 | { |
604 | { |
409 | AV *padlist; |
605 | PADLIST *padlist; |
410 | AV *av = (AV *)mg->mg_obj; |
606 | PADLIST **padlists = (PADLIST **)(mg->mg_ptr + sizeof(size_t)); |
|
|
607 | size_t len = *(size_t *)mg->mg_ptr; |
411 | |
608 | |
412 | /* casting is fun. */ |
609 | /* perl manages to free our internal AV and _then_ call us */ |
413 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
610 | if (IN_DESTRUCT) |
|
|
611 | return 0; |
|
|
612 | |
|
|
613 | while (len--) |
414 | free_padlist (aTHX_ padlist); |
614 | free_padlist (aTHX_ padlists[len]); |
415 | |
|
|
416 | SvREFCNT_dec (av); /* sv_magicext increased the refcount */ |
|
|
417 | |
615 | |
418 | return 0; |
616 | return 0; |
419 | } |
617 | } |
420 | |
|
|
421 | #define CORO_MAGIC_type_cv 26 |
|
|
422 | #define CORO_MAGIC_type_state PERL_MAGIC_ext |
|
|
423 | |
618 | |
424 | static MGVTBL coro_cv_vtbl = { |
619 | static MGVTBL coro_cv_vtbl = { |
425 | 0, 0, 0, 0, |
620 | 0, 0, 0, 0, |
426 | coro_cv_free |
621 | coro_cv_free |
427 | }; |
622 | }; |
428 | |
623 | |
429 | #define CORO_MAGIC_NN(sv, type) \ |
|
|
430 | (expect_true (SvMAGIC (sv)->mg_type == type) \ |
|
|
431 | ? SvMAGIC (sv) \ |
|
|
432 | : mg_find (sv, type)) |
|
|
433 | |
|
|
434 | #define CORO_MAGIC(sv, type) \ |
|
|
435 | (expect_true (SvMAGIC (sv)) \ |
|
|
436 | ? CORO_MAGIC_NN (sv, type) \ |
|
|
437 | : 0) |
|
|
438 | |
|
|
439 | #define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) |
|
|
440 | #define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) |
|
|
441 | |
|
|
442 | INLINE struct coro * |
|
|
443 | SvSTATE_ (pTHX_ SV *coro) |
|
|
444 | { |
|
|
445 | HV *stash; |
|
|
446 | MAGIC *mg; |
|
|
447 | |
|
|
448 | if (SvROK (coro)) |
|
|
449 | coro = SvRV (coro); |
|
|
450 | |
|
|
451 | if (expect_false (SvTYPE (coro) != SVt_PVHV)) |
|
|
452 | croak ("Coro::State object required"); |
|
|
453 | |
|
|
454 | stash = SvSTASH (coro); |
|
|
455 | if (expect_false (stash != coro_stash && stash != coro_state_stash)) |
|
|
456 | { |
|
|
457 | /* very slow, but rare, check */ |
|
|
458 | if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) |
|
|
459 | croak ("Coro::State object required"); |
|
|
460 | } |
|
|
461 | |
|
|
462 | mg = CORO_MAGIC_state (coro); |
|
|
463 | return (struct coro *)mg->mg_ptr; |
|
|
464 | } |
|
|
465 | |
|
|
466 | #define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) |
|
|
467 | |
|
|
468 | /* faster than SvSTATE, but expects a coroutine hv */ |
|
|
469 | #define SvSTATE_hv(hv) ((struct coro *)CORO_MAGIC_NN ((SV *)hv, CORO_MAGIC_type_state)->mg_ptr) |
|
|
470 | #define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) |
|
|
471 | |
|
|
472 | /* the next two functions merely cache the padlists */ |
624 | /* the next two functions merely cache the padlists */ |
473 | static void |
625 | ecb_inline void |
474 | get_padlist (pTHX_ CV *cv) |
626 | get_padlist (pTHX_ CV *cv) |
475 | { |
627 | { |
476 | MAGIC *mg = CORO_MAGIC_cv (cv); |
628 | MAGIC *mg = CORO_MAGIC_cv (cv); |
477 | AV *av; |
629 | size_t *lenp; |
478 | |
630 | |
479 | if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) |
631 | if (ecb_expect_true (mg && *(lenp = (size_t *)mg->mg_ptr))) |
480 | CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; |
632 | CvPADLIST (cv) = ((PADLIST **)(mg->mg_ptr + sizeof(size_t)))[--*lenp]; |
481 | else |
633 | else |
482 | { |
634 | { |
483 | #if CORO_PREFER_PERL_FUNCTIONS |
635 | #if CORO_PREFER_PERL_FUNCTIONS |
484 | /* this is probably cleaner? but also slower! */ |
636 | /* this is probably cleaner? but also slower! */ |
485 | /* in practise, it seems to be less stable */ |
637 | /* in practise, it seems to be less stable */ |
… | |
… | |
491 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
643 | CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); |
492 | #endif |
644 | #endif |
493 | } |
645 | } |
494 | } |
646 | } |
495 | |
647 | |
496 | static void |
648 | ecb_inline void |
497 | put_padlist (pTHX_ CV *cv) |
649 | put_padlist (pTHX_ CV *cv) |
498 | { |
650 | { |
499 | MAGIC *mg = CORO_MAGIC_cv (cv); |
651 | MAGIC *mg = CORO_MAGIC_cv (cv); |
500 | AV *av; |
|
|
501 | |
652 | |
502 | if (expect_false (!mg)) |
653 | if (ecb_expect_false (!mg)) |
|
|
654 | { |
503 | mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
655 | mg = sv_magicext ((SV *)cv, 0, CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); |
|
|
656 | Newz (0, mg->mg_ptr ,sizeof (size_t) + sizeof (PADLIST *), char); |
|
|
657 | mg->mg_len = 1; /* so mg_free frees mg_ptr */ |
|
|
658 | } |
|
|
659 | else |
|
|
660 | Renew (mg->mg_ptr, |
|
|
661 | sizeof(size_t) + (*(size_t *)mg->mg_ptr + 1) * sizeof(PADLIST *), |
|
|
662 | char); |
504 | |
663 | |
505 | av = (AV *)mg->mg_obj; |
664 | ((PADLIST **)(mg->mg_ptr + sizeof (size_t))) [(*(size_t *)mg->mg_ptr)++] = CvPADLIST (cv); |
506 | |
|
|
507 | if (expect_false (AvFILLp (av) >= AvMAX (av))) |
|
|
508 | av_extend (av, AvMAX (av) + 1); |
|
|
509 | |
|
|
510 | AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); |
|
|
511 | } |
665 | } |
512 | |
666 | |
513 | /** load & save, init *******************************************************/ |
667 | /** load & save, init *******************************************************/ |
|
|
668 | |
|
|
669 | ecb_inline void |
|
|
670 | swap_sv (SV *a, SV *b) |
|
|
671 | { |
|
|
672 | const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */ |
|
|
673 | SV tmp; |
|
|
674 | |
|
|
675 | /* swap sv_any */ |
|
|
676 | SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp); |
|
|
677 | |
|
|
678 | /* swap sv_flags */ |
|
|
679 | SvFLAGS (&tmp) = SvFLAGS (a); |
|
|
680 | SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep); |
|
|
681 | SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep); |
|
|
682 | |
|
|
683 | #if PERL_VERSION_ATLEAST (5,10,0) |
|
|
684 | /* perl 5.10 and later complicates this _quite_ a bit, but it also |
|
|
685 | * is much faster, so no quarrels here. alternatively, we could |
|
|
686 | * sv_upgrade to avoid this. |
|
|
687 | */ |
|
|
688 | { |
|
|
689 | /* swap sv_u */ |
|
|
690 | tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u; |
|
|
691 | |
|
|
692 | /* if SvANY points to the head, we need to adjust the pointers, |
|
|
693 | * as the pointer for a still points to b, and maybe vice versa. |
|
|
694 | */ |
|
|
695 | #define svany_in_head(type) \ |
|
|
696 | (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type))) |
|
|
697 | |
|
|
698 | if (svany_in_head (SvTYPE (a))) |
|
|
699 | SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a); |
|
|
700 | |
|
|
701 | if (svany_in_head (SvTYPE (b))) |
|
|
702 | SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b); |
|
|
703 | } |
|
|
704 | #endif |
|
|
705 | } |
|
|
706 | |
|
|
707 | /* swap sv heads, at least logically */ |
|
|
708 | static void |
|
|
709 | swap_svs (pTHX_ Coro__State c) |
|
|
710 | { |
|
|
711 | int i; |
|
|
712 | |
|
|
713 | for (i = 0; i <= AvFILLp (c->swap_sv); i += 2) |
|
|
714 | swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]); |
|
|
715 | } |
|
|
716 | |
|
|
717 | #define SWAP_SVS(coro) \ |
|
|
718 | if (ecb_expect_false ((coro)->swap_sv)) \ |
|
|
719 | swap_svs (aTHX_ (coro)) |
|
|
720 | |
|
|
721 | static void |
|
|
722 | on_enterleave_call (pTHX_ SV *cb); |
514 | |
723 | |
515 | static void |
724 | static void |
516 | load_perl (pTHX_ Coro__State c) |
725 | load_perl (pTHX_ Coro__State c) |
517 | { |
726 | { |
518 | perl_slots *slot = c->slot; |
727 | perl_slots *slot = c->slot; |
519 | c->slot = 0; |
728 | c->slot = 0; |
520 | |
729 | |
521 | PL_mainstack = c->mainstack; |
730 | PL_mainstack = c->mainstack; |
522 | |
731 | |
523 | GvSV (PL_defgv) = slot->defsv; |
732 | #if CORO_JIT |
524 | GvAV (PL_defgv) = slot->defav; |
733 | load_perl_slots (slot); |
525 | GvSV (PL_errgv) = slot->errsv; |
734 | #else |
526 | GvSV (irsgv) = slot->irsgv; |
|
|
527 | GvHV (PL_hintgv) = slot->hinthv; |
|
|
528 | |
|
|
529 | #define VAR(name,type) PL_ ## name = slot->name; |
735 | #define VARx(name,expr,type) expr = slot->name; |
530 | # include "state.h" |
736 | #include "state.h" |
531 | #undef VAR |
737 | #endif |
532 | |
738 | |
533 | { |
739 | { |
534 | dSP; |
740 | dSP; |
535 | |
741 | |
536 | CV *cv; |
742 | CV *cv; |
537 | |
743 | |
538 | /* now do the ugly restore mess */ |
744 | /* now do the ugly restore mess */ |
539 | while (expect_true (cv = (CV *)POPs)) |
745 | while (ecb_expect_true (cv = (CV *)POPs)) |
540 | { |
746 | { |
541 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
747 | put_padlist (aTHX_ cv); /* mark this padlist as available */ |
542 | CvDEPTH (cv) = PTR2IV (POPs); |
748 | CvDEPTH (cv) = PTR2IV (POPs); |
543 | CvPADLIST (cv) = (AV *)POPs; |
749 | CvPADLIST (cv) = (PADLIST *)POPs; |
544 | } |
750 | } |
545 | |
751 | |
546 | PUTBACK; |
752 | PUTBACK; |
547 | } |
753 | } |
548 | |
754 | |
549 | slf_frame = c->slf_frame; |
755 | slf_frame = c->slf_frame; |
550 | CORO_THROW = c->except; |
756 | CORO_THROW = c->except; |
|
|
757 | |
|
|
758 | if (ecb_expect_false (enable_times)) |
|
|
759 | { |
|
|
760 | if (ecb_expect_false (!times_valid)) |
|
|
761 | coro_times_update (); |
|
|
762 | |
|
|
763 | coro_times_sub (c); |
|
|
764 | } |
|
|
765 | |
|
|
766 | if (ecb_expect_false (c->on_enter)) |
|
|
767 | { |
|
|
768 | int i; |
|
|
769 | |
|
|
770 | for (i = 0; i <= AvFILLp (c->on_enter); ++i) |
|
|
771 | on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); |
|
|
772 | } |
|
|
773 | |
|
|
774 | SWAP_SVS (c); |
551 | } |
775 | } |
552 | |
776 | |
553 | static void |
777 | static void |
554 | save_perl (pTHX_ Coro__State c) |
778 | save_perl (pTHX_ Coro__State c) |
555 | { |
779 | { |
|
|
780 | SWAP_SVS (c); |
|
|
781 | |
|
|
782 | if (ecb_expect_false (c->on_leave)) |
|
|
783 | { |
|
|
784 | int i; |
|
|
785 | |
|
|
786 | for (i = AvFILLp (c->on_leave); i >= 0; --i) |
|
|
787 | on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]); |
|
|
788 | } |
|
|
789 | |
|
|
790 | times_valid = 0; |
|
|
791 | |
|
|
792 | if (ecb_expect_false (enable_times)) |
|
|
793 | { |
|
|
794 | coro_times_update (); times_valid = 1; |
|
|
795 | coro_times_add (c); |
|
|
796 | } |
|
|
797 | |
556 | c->except = CORO_THROW; |
798 | c->except = CORO_THROW; |
557 | c->slf_frame = slf_frame; |
799 | c->slf_frame = slf_frame; |
558 | |
800 | |
559 | { |
801 | { |
560 | dSP; |
802 | dSP; |
… | |
… | |
569 | |
811 | |
570 | XPUSHs (Nullsv); |
812 | XPUSHs (Nullsv); |
571 | /* this loop was inspired by pp_caller */ |
813 | /* this loop was inspired by pp_caller */ |
572 | for (;;) |
814 | for (;;) |
573 | { |
815 | { |
574 | while (expect_true (cxix >= 0)) |
816 | while (ecb_expect_true (cxix >= 0)) |
575 | { |
817 | { |
576 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
818 | PERL_CONTEXT *cx = &ccstk[cxix--]; |
577 | |
819 | |
578 | if (expect_true (CxTYPE (cx) == CXt_SUB || CxTYPE (cx) == CXt_FORMAT)) |
820 | if (ecb_expect_true (CxTYPE (cx) == CXt_SUB) || ecb_expect_false (CxTYPE (cx) == CXt_FORMAT)) |
579 | { |
821 | { |
580 | CV *cv = cx->blk_sub.cv; |
822 | CV *cv = cx->blk_sub.cv; |
581 | |
823 | |
582 | if (expect_true (CvDEPTH (cv))) |
824 | if (ecb_expect_true (CvDEPTH (cv))) |
583 | { |
825 | { |
584 | EXTEND (SP, 3); |
826 | EXTEND (SP, 3); |
585 | PUSHs ((SV *)CvPADLIST (cv)); |
827 | PUSHs ((SV *)CvPADLIST (cv)); |
586 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
828 | PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv))); |
587 | PUSHs ((SV *)cv); |
829 | PUSHs ((SV *)cv); |
… | |
… | |
590 | get_padlist (aTHX_ cv); |
832 | get_padlist (aTHX_ cv); |
591 | } |
833 | } |
592 | } |
834 | } |
593 | } |
835 | } |
594 | |
836 | |
595 | if (expect_true (top_si->si_type == PERLSI_MAIN)) |
837 | if (ecb_expect_true (top_si->si_type == PERLSI_MAIN)) |
596 | break; |
838 | break; |
597 | |
839 | |
598 | top_si = top_si->si_prev; |
840 | top_si = top_si->si_prev; |
599 | ccstk = top_si->si_cxstack; |
841 | ccstk = top_si->si_cxstack; |
600 | cxix = top_si->si_cxix; |
842 | cxix = top_si->si_cxix; |
… | |
… | |
602 | |
844 | |
603 | PUTBACK; |
845 | PUTBACK; |
604 | } |
846 | } |
605 | |
847 | |
606 | /* allocate some space on the context stack for our purposes */ |
848 | /* allocate some space on the context stack for our purposes */ |
607 | /* we manually unroll here, as usually 2 slots is enough */ |
849 | if (ecb_expect_false (cxstack_ix + (int)SLOT_COUNT >= cxstack_max)) |
608 | if (SLOT_COUNT >= 1) CXINC; |
|
|
609 | if (SLOT_COUNT >= 2) CXINC; |
|
|
610 | if (SLOT_COUNT >= 3) CXINC; |
|
|
611 | { |
850 | { |
612 | int i; |
851 | unsigned int i; |
|
|
852 | |
613 | for (i = 3; i < SLOT_COUNT; ++i) |
853 | for (i = 0; i < SLOT_COUNT; ++i) |
614 | CXINC; |
854 | CXINC; |
615 | } |
855 | |
616 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
856 | cxstack_ix -= SLOT_COUNT; /* undo allocation */ |
|
|
857 | } |
617 | |
858 | |
618 | c->mainstack = PL_mainstack; |
859 | c->mainstack = PL_mainstack; |
619 | |
860 | |
620 | { |
861 | { |
621 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
862 | perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); |
622 | |
863 | |
623 | slot->defav = GvAV (PL_defgv); |
864 | #if CORO_JIT |
624 | slot->defsv = DEFSV; |
865 | save_perl_slots (slot); |
625 | slot->errsv = ERRSV; |
866 | #else |
626 | slot->irsgv = GvSV (irsgv); |
|
|
627 | slot->hinthv = GvHV (PL_hintgv); |
|
|
628 | |
|
|
629 | #define VAR(name,type) slot->name = PL_ ## name; |
867 | #define VARx(name,expr,type) slot->name = expr; |
630 | # include "state.h" |
868 | #include "state.h" |
631 | #undef VAR |
869 | #endif |
632 | } |
870 | } |
633 | } |
871 | } |
634 | |
872 | |
635 | /* |
873 | /* |
636 | * allocate various perl stacks. This is almost an exact copy |
874 | * allocate various perl stacks. This is almost an exact copy |
… | |
… | |
642 | # define coro_init_stacks(thx) init_stacks () |
880 | # define coro_init_stacks(thx) init_stacks () |
643 | #else |
881 | #else |
644 | static void |
882 | static void |
645 | coro_init_stacks (pTHX) |
883 | coro_init_stacks (pTHX) |
646 | { |
884 | { |
647 | PL_curstackinfo = new_stackinfo(32, 8); |
885 | PL_curstackinfo = new_stackinfo(32, 4 + SLOT_COUNT); /* 3 is minimum due to perl rounding down in scope.c:GROW() */ |
648 | PL_curstackinfo->si_type = PERLSI_MAIN; |
886 | PL_curstackinfo->si_type = PERLSI_MAIN; |
649 | PL_curstack = PL_curstackinfo->si_stack; |
887 | PL_curstack = PL_curstackinfo->si_stack; |
650 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
888 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ |
651 | |
889 | |
652 | PL_stack_base = AvARRAY(PL_curstack); |
890 | PL_stack_base = AvARRAY(PL_curstack); |
… | |
… | |
667 | #endif |
905 | #endif |
668 | |
906 | |
669 | New(54,PL_scopestack,8,I32); |
907 | New(54,PL_scopestack,8,I32); |
670 | PL_scopestack_ix = 0; |
908 | PL_scopestack_ix = 0; |
671 | PL_scopestack_max = 8; |
909 | PL_scopestack_max = 8; |
|
|
910 | #if HAS_SCOPESTACK_NAME |
|
|
911 | New(54,PL_scopestack_name,8,const char*); |
|
|
912 | #endif |
672 | |
913 | |
673 | New(54,PL_savestack,24,ANY); |
914 | New(54,PL_savestack,24,ANY); |
674 | PL_savestack_ix = 0; |
915 | PL_savestack_ix = 0; |
675 | PL_savestack_max = 24; |
916 | PL_savestack_max = 24; |
676 | |
917 | |
… | |
… | |
704 | } |
945 | } |
705 | |
946 | |
706 | Safefree (PL_tmps_stack); |
947 | Safefree (PL_tmps_stack); |
707 | Safefree (PL_markstack); |
948 | Safefree (PL_markstack); |
708 | Safefree (PL_scopestack); |
949 | Safefree (PL_scopestack); |
|
|
950 | #if HAS_SCOPESTACK_NAME |
|
|
951 | Safefree (PL_scopestack_name); |
|
|
952 | #endif |
709 | Safefree (PL_savestack); |
953 | Safefree (PL_savestack); |
710 | #if !PERL_VERSION_ATLEAST (5,10,0) |
954 | #if !PERL_VERSION_ATLEAST (5,10,0) |
711 | Safefree (PL_retstack); |
955 | Safefree (PL_retstack); |
712 | #endif |
956 | #endif |
713 | } |
957 | } |
… | |
… | |
759 | #endif |
1003 | #endif |
760 | |
1004 | |
761 | /* |
1005 | /* |
762 | * This overrides the default magic get method of %SIG elements. |
1006 | * This overrides the default magic get method of %SIG elements. |
763 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
1007 | * The original one doesn't provide for reading back of PL_diehook/PL_warnhook |
764 | * and instead of tryign to save and restore the hash elements, we just provide |
1008 | * and instead of trying to save and restore the hash elements (extremely slow), |
765 | * readback here. |
1009 | * we just provide our own readback here. |
766 | * We only do this when the hook is != 0, as they are often set to 0 temporarily, |
|
|
767 | * not expecting this to actually change the hook. This is a potential problem |
|
|
768 | * when a schedule happens then, but we ignore this. |
|
|
769 | */ |
1010 | */ |
770 | static int |
1011 | static int ecb_cold |
771 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
1012 | coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) |
772 | { |
1013 | { |
773 | const char *s = MgPV_nolen_const (mg); |
1014 | const char *s = MgPV_nolen_const (mg); |
774 | |
1015 | |
775 | if (*s == '_') |
1016 | if (*s == '_') |
776 | { |
1017 | { |
777 | SV **svp = 0; |
1018 | SV **svp = 0; |
778 | |
1019 | |
779 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
1020 | if (strEQ (s, "__DIE__" )) svp = &PL_diehook; |
780 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
1021 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
781 | |
1022 | |
782 | if (svp) |
1023 | if (svp) |
783 | { |
1024 | { |
784 | sv_setsv (sv, *svp ? *svp : &PL_sv_undef); |
1025 | SV *ssv; |
|
|
1026 | |
|
|
1027 | if (!*svp) |
|
|
1028 | ssv = &PL_sv_undef; |
|
|
1029 | else if (SvTYPE (*svp) == SVt_PVCV) /* perlio directly stores a CV in warnhook. ugh. */ |
|
|
1030 | ssv = sv_2mortal (newRV_inc (*svp)); |
|
|
1031 | else |
|
|
1032 | ssv = *svp; |
|
|
1033 | |
|
|
1034 | sv_setsv (sv, ssv); |
785 | return 0; |
1035 | return 0; |
786 | } |
1036 | } |
787 | } |
1037 | } |
788 | |
1038 | |
789 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
1039 | return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; |
790 | } |
1040 | } |
791 | |
1041 | |
792 | static int |
1042 | static int ecb_cold |
793 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
1043 | coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg) |
794 | { |
1044 | { |
795 | const char *s = MgPV_nolen_const (mg); |
1045 | const char *s = MgPV_nolen_const (mg); |
796 | |
1046 | |
797 | if (*s == '_') |
1047 | if (*s == '_') |
… | |
… | |
811 | } |
1061 | } |
812 | |
1062 | |
813 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
1063 | return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0; |
814 | } |
1064 | } |
815 | |
1065 | |
816 | static int |
1066 | static int ecb_cold |
817 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
1067 | coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg) |
818 | { |
1068 | { |
819 | const char *s = MgPV_nolen_const (mg); |
1069 | const char *s = MgPV_nolen_const (mg); |
820 | |
1070 | |
821 | if (*s == '_') |
1071 | if (*s == '_') |
… | |
… | |
826 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
1076 | if (strEQ (s, "__WARN__")) svp = &PL_warnhook; |
827 | |
1077 | |
828 | if (svp) |
1078 | if (svp) |
829 | { |
1079 | { |
830 | SV *old = *svp; |
1080 | SV *old = *svp; |
831 | *svp = newSVsv (sv); |
1081 | *svp = SvOK (sv) ? newSVsv (sv) : 0; |
832 | SvREFCNT_dec (old); |
1082 | SvREFCNT_dec (old); |
833 | return 0; |
1083 | return 0; |
834 | } |
1084 | } |
835 | } |
1085 | } |
836 | |
1086 | |
… | |
… | |
854 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
1104 | slf_check_repeat (pTHX_ struct CoroSLF *frame) |
855 | { |
1105 | { |
856 | return 1; |
1106 | return 1; |
857 | } |
1107 | } |
858 | |
1108 | |
859 | static UNOP coro_setup_op; |
1109 | static UNOP init_perl_op; |
860 | |
1110 | |
861 | static void NOINLINE /* noinline to keep it out of the transfer fast path */ |
1111 | ecb_noinline static void /* noinline to keep it out of the transfer fast path */ |
862 | coro_setup (pTHX_ struct coro *coro) |
1112 | init_perl (pTHX_ struct coro *coro) |
863 | { |
1113 | { |
864 | /* |
1114 | /* |
865 | * emulate part of the perl startup here. |
1115 | * emulate part of the perl startup here. |
866 | */ |
1116 | */ |
867 | coro_init_stacks (aTHX); |
1117 | coro_init_stacks (aTHX); |
… | |
… | |
874 | PL_comppad_name_fill = 0; |
1124 | PL_comppad_name_fill = 0; |
875 | PL_comppad_name_floor = 0; |
1125 | PL_comppad_name_floor = 0; |
876 | PL_curpm = 0; |
1126 | PL_curpm = 0; |
877 | PL_curpad = 0; |
1127 | PL_curpad = 0; |
878 | PL_localizing = 0; |
1128 | PL_localizing = 0; |
879 | PL_dirty = 0; |
|
|
880 | PL_restartop = 0; |
1129 | PL_restartop = 0; |
881 | #if PERL_VERSION_ATLEAST (5,10,0) |
1130 | #if PERL_VERSION_ATLEAST (5,10,0) |
882 | PL_parser = 0; |
1131 | PL_parser = 0; |
883 | #endif |
1132 | #endif |
884 | PL_hints = 0; |
1133 | PL_hints = 0; |
885 | |
1134 | |
886 | /* recreate the die/warn hooks */ |
1135 | /* recreate the die/warn hooks */ |
887 | PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); |
1136 | PL_diehook = SvREFCNT_inc (rv_diehook); |
888 | PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); |
1137 | PL_warnhook = SvREFCNT_inc (rv_warnhook); |
889 | |
1138 | |
890 | GvSV (PL_defgv) = newSV (0); |
1139 | GvSV (PL_defgv) = newSV (0); |
891 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
1140 | GvAV (PL_defgv) = coro->args; coro->args = 0; |
892 | GvSV (PL_errgv) = newSV (0); |
1141 | GvSV (PL_errgv) = newSV (0); |
893 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
1142 | GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); |
894 | GvHV (PL_hintgv) = 0; |
1143 | GvHV (PL_hintgv) = 0; |
… | |
… | |
914 | /* this newly created coroutine might be run on an existing cctx which most |
1163 | /* this newly created coroutine might be run on an existing cctx which most |
915 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
1164 | * likely was suspended in pp_slf, so we have to emulate entering pp_slf here. |
916 | */ |
1165 | */ |
917 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
1166 | slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ |
918 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
1167 | slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ |
|
|
1168 | slf_frame.destroy = 0; |
919 | |
1169 | |
920 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
1170 | /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ |
921 | coro_setup_op.op_next = PL_op; |
1171 | init_perl_op.op_next = PL_op; |
922 | coro_setup_op.op_type = OP_ENTERSUB; |
1172 | init_perl_op.op_type = OP_ENTERSUB; |
923 | coro_setup_op.op_ppaddr = pp_slf; |
1173 | init_perl_op.op_ppaddr = pp_slf; |
924 | /* no flags etc. required, as an init function won't be called */ |
1174 | /* no flags etc. required, as an init function won't be called */ |
925 | |
1175 | |
926 | PL_op = (OP *)&coro_setup_op; |
1176 | PL_op = (OP *)&init_perl_op; |
927 | |
1177 | |
928 | /* copy throw, in case it was set before coro_setup */ |
1178 | /* copy throw, in case it was set before init_perl */ |
929 | CORO_THROW = coro->except; |
1179 | CORO_THROW = coro->except; |
930 | } |
|
|
931 | |
1180 | |
|
|
1181 | SWAP_SVS (coro); |
|
|
1182 | |
|
|
1183 | if (ecb_expect_false (enable_times)) |
|
|
1184 | { |
|
|
1185 | coro_times_update (); |
|
|
1186 | coro_times_sub (coro); |
|
|
1187 | } |
|
|
1188 | } |
|
|
1189 | |
932 | static void |
1190 | static void |
933 | coro_destruct (pTHX_ struct coro *coro) |
1191 | coro_unwind_stacks (pTHX) |
934 | { |
1192 | { |
935 | if (!IN_DESTRUCT) |
1193 | if (!IN_DESTRUCT) |
936 | { |
1194 | { |
937 | /* restore all saved variables and stuff */ |
1195 | /* restore all saved variables and stuff */ |
938 | LEAVE_SCOPE (0); |
1196 | LEAVE_SCOPE (0); |
… | |
… | |
946 | POPSTACK_TO (PL_mainstack); |
1204 | POPSTACK_TO (PL_mainstack); |
947 | |
1205 | |
948 | /* unwind main stack */ |
1206 | /* unwind main stack */ |
949 | dounwind (-1); |
1207 | dounwind (-1); |
950 | } |
1208 | } |
|
|
1209 | } |
951 | |
1210 | |
952 | SvREFCNT_dec (GvSV (PL_defgv)); |
1211 | static void |
953 | SvREFCNT_dec (GvAV (PL_defgv)); |
1212 | destroy_perl (pTHX_ struct coro *coro) |
954 | SvREFCNT_dec (GvSV (PL_errgv)); |
1213 | { |
955 | SvREFCNT_dec (PL_defoutgv); |
1214 | SV *svf [9]; |
956 | SvREFCNT_dec (PL_rs); |
|
|
957 | SvREFCNT_dec (GvSV (irsgv)); |
|
|
958 | SvREFCNT_dec (GvHV (PL_hintgv)); |
|
|
959 | |
1215 | |
960 | SvREFCNT_dec (PL_diehook); |
|
|
961 | SvREFCNT_dec (PL_warnhook); |
|
|
962 | |
1216 | { |
|
|
1217 | SV *old_current = SvRV (coro_current); |
|
|
1218 | struct coro *current = SvSTATE (old_current); |
|
|
1219 | |
|
|
1220 | assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack)); |
|
|
1221 | |
|
|
1222 | save_perl (aTHX_ current); |
|
|
1223 | |
|
|
1224 | /* this will cause transfer_check to croak on block*/ |
|
|
1225 | SvRV_set (coro_current, (SV *)coro->hv); |
|
|
1226 | |
|
|
1227 | load_perl (aTHX_ coro); |
|
|
1228 | |
|
|
1229 | coro_unwind_stacks (aTHX); |
|
|
1230 | |
|
|
1231 | /* restore swapped sv's */ |
|
|
1232 | SWAP_SVS (coro); |
|
|
1233 | |
|
|
1234 | coro_destruct_stacks (aTHX); |
|
|
1235 | |
|
|
1236 | /* now save some sv's to be free'd later */ |
|
|
1237 | svf [0] = GvSV (PL_defgv); |
|
|
1238 | svf [1] = (SV *)GvAV (PL_defgv); |
|
|
1239 | svf [2] = GvSV (PL_errgv); |
|
|
1240 | svf [3] = (SV *)PL_defoutgv; |
|
|
1241 | svf [4] = PL_rs; |
|
|
1242 | svf [5] = GvSV (irsgv); |
|
|
1243 | svf [6] = (SV *)GvHV (PL_hintgv); |
|
|
1244 | svf [7] = PL_diehook; |
|
|
1245 | svf [8] = PL_warnhook; |
|
|
1246 | assert (9 == sizeof (svf) / sizeof (*svf)); |
|
|
1247 | |
|
|
1248 | SvRV_set (coro_current, old_current); |
|
|
1249 | |
|
|
1250 | load_perl (aTHX_ current); |
|
|
1251 | } |
|
|
1252 | |
|
|
1253 | { |
|
|
1254 | unsigned int i; |
|
|
1255 | |
|
|
1256 | for (i = 0; i < sizeof (svf) / sizeof (*svf); ++i) |
|
|
1257 | SvREFCNT_dec (svf [i]); |
|
|
1258 | |
963 | SvREFCNT_dec (coro->saved_deffh); |
1259 | SvREFCNT_dec (coro->saved_deffh); |
964 | SvREFCNT_dec (coro->rouse_cb); |
1260 | SvREFCNT_dec (coro->rouse_cb); |
965 | SvREFCNT_dec (coro->invoke_cb); |
1261 | SvREFCNT_dec (coro->invoke_cb); |
966 | SvREFCNT_dec (coro->invoke_av); |
1262 | SvREFCNT_dec (coro->invoke_av); |
967 | |
1263 | } |
968 | coro_destruct_stacks (aTHX); |
|
|
969 | } |
1264 | } |
970 | |
1265 | |
971 | INLINE void |
1266 | ecb_inline void |
972 | free_coro_mortal (pTHX) |
1267 | free_coro_mortal (pTHX) |
973 | { |
1268 | { |
974 | if (expect_true (coro_mortal)) |
1269 | if (ecb_expect_true (coro_mortal)) |
975 | { |
1270 | { |
976 | SvREFCNT_dec (coro_mortal); |
1271 | SvREFCNT_dec ((SV *)coro_mortal); |
977 | coro_mortal = 0; |
1272 | coro_mortal = 0; |
978 | } |
1273 | } |
979 | } |
1274 | } |
980 | |
1275 | |
981 | static int |
1276 | static int |
… | |
… | |
1114 | |
1409 | |
1115 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1410 | return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ |
1116 | } |
1411 | } |
1117 | |
1412 | |
1118 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1413 | /* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ |
1119 | static void NOINLINE |
1414 | static void ecb_noinline |
1120 | cctx_prepare (pTHX) |
1415 | cctx_prepare (pTHX) |
1121 | { |
1416 | { |
1122 | PL_top_env = &PL_start_env; |
1417 | PL_top_env = &PL_start_env; |
1123 | |
1418 | |
1124 | if (cctx_current->flags & CC_TRACE) |
1419 | if (cctx_current->flags & CC_TRACE) |
… | |
… | |
1135 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1430 | slf_frame.prepare = slf_prepare_set_stacklevel; |
1136 | slf_frame.check = slf_check_set_stacklevel; |
1431 | slf_frame.check = slf_check_set_stacklevel; |
1137 | } |
1432 | } |
1138 | |
1433 | |
1139 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1434 | /* the tail of transfer: execute stuff we can only do after a transfer */ |
1140 | INLINE void |
1435 | ecb_inline void |
1141 | transfer_tail (pTHX) |
1436 | transfer_tail (pTHX) |
1142 | { |
1437 | { |
1143 | free_coro_mortal (aTHX); |
1438 | free_coro_mortal (aTHX); |
|
|
1439 | } |
|
|
1440 | |
|
|
1441 | /* try to exit the same way perl's main function would do */ |
|
|
1442 | /* we do not bother resetting the environment or other things *7 |
|
|
1443 | /* that are not, uhm, essential */ |
|
|
1444 | /* this obviously also doesn't work when perl is embedded */ |
|
|
1445 | static void ecb_noinline ecb_cold |
|
|
1446 | perlish_exit (pTHX) |
|
|
1447 | { |
|
|
1448 | int exitstatus = perl_destruct (PL_curinterp); |
|
|
1449 | perl_free (PL_curinterp); |
|
|
1450 | exit (exitstatus); |
1144 | } |
1451 | } |
1145 | |
1452 | |
1146 | /* |
1453 | /* |
1147 | * this is a _very_ stripped down perl interpreter ;) |
1454 | * this is a _very_ stripped down perl interpreter ;) |
1148 | */ |
1455 | */ |
… | |
… | |
1170 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1477 | /* somebody or something will hit me for both perl_run and PL_restartop */ |
1171 | PL_restartop = PL_op; |
1478 | PL_restartop = PL_op; |
1172 | perl_run (PL_curinterp); |
1479 | perl_run (PL_curinterp); |
1173 | /* |
1480 | /* |
1174 | * Unfortunately, there is no way to get at the return values of the |
1481 | * Unfortunately, there is no way to get at the return values of the |
1175 | * coro body here, as perl_run destroys these |
1482 | * coro body here, as perl_run destroys these. Likewise, we cannot catch |
|
|
1483 | * runtime errors here, as this is just a random interpreter, not a thread. |
1176 | */ |
1484 | */ |
1177 | |
1485 | |
1178 | /* |
1486 | /* |
1179 | * If perl-run returns we assume exit() was being called or the coro |
1487 | * If perl-run returns we assume exit() was being called or the coro |
1180 | * fell off the end, which seems to be the only valid (non-bug) |
1488 | * fell off the end, which seems to be the only valid (non-bug) |
1181 | * reason for perl_run to return. We try to exit by jumping to the |
1489 | * reason for perl_run to return. We try to mimic whatever perl is normally |
1182 | * bootstrap-time "top" top_env, as we cannot restore the "main" |
1490 | * doing in that case. YMMV. |
1183 | * coroutine as Coro has no such concept. |
|
|
1184 | * This actually isn't valid with the pthread backend, but OSes requiring |
|
|
1185 | * that backend are too broken to do it in a standards-compliant way. |
|
|
1186 | */ |
1491 | */ |
1187 | PL_top_env = main_top_env; |
1492 | perlish_exit (aTHX); |
1188 | JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ |
|
|
1189 | } |
1493 | } |
1190 | } |
1494 | } |
1191 | |
1495 | |
1192 | static coro_cctx * |
1496 | static coro_cctx * |
1193 | cctx_new () |
1497 | cctx_new (void) |
1194 | { |
1498 | { |
1195 | coro_cctx *cctx; |
1499 | coro_cctx *cctx; |
1196 | |
1500 | |
1197 | ++cctx_count; |
1501 | ++cctx_count; |
1198 | New (0, cctx, 1, coro_cctx); |
1502 | New (0, cctx, 1, coro_cctx); |
… | |
… | |
1204 | return cctx; |
1508 | return cctx; |
1205 | } |
1509 | } |
1206 | |
1510 | |
1207 | /* create a new cctx only suitable as source */ |
1511 | /* create a new cctx only suitable as source */ |
1208 | static coro_cctx * |
1512 | static coro_cctx * |
1209 | cctx_new_empty () |
1513 | cctx_new_empty (void) |
1210 | { |
1514 | { |
1211 | coro_cctx *cctx = cctx_new (); |
1515 | coro_cctx *cctx = cctx_new (); |
1212 | |
1516 | |
1213 | cctx->sptr = 0; |
1517 | cctx->stack.sptr = 0; |
1214 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
1518 | coro_create (&cctx->cctx, 0, 0, 0, 0); |
1215 | |
1519 | |
1216 | return cctx; |
1520 | return cctx; |
1217 | } |
1521 | } |
1218 | |
1522 | |
1219 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1523 | /* create a new cctx suitable as destination/running a perl interpreter */ |
1220 | static coro_cctx * |
1524 | static coro_cctx * |
1221 | cctx_new_run () |
1525 | cctx_new_run (void) |
1222 | { |
1526 | { |
1223 | coro_cctx *cctx = cctx_new (); |
1527 | coro_cctx *cctx = cctx_new (); |
1224 | void *stack_start; |
|
|
1225 | size_t stack_size; |
|
|
1226 | |
1528 | |
1227 | #if HAVE_MMAP |
1529 | if (!coro_stack_alloc (&cctx->stack, cctx_stacksize)) |
1228 | cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; |
|
|
1229 | /* mmap supposedly does allocate-on-write for us */ |
|
|
1230 | cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
|
|
1231 | |
|
|
1232 | if (cctx->sptr != (void *)-1) |
|
|
1233 | { |
|
|
1234 | #if CORO_STACKGUARD |
|
|
1235 | mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); |
|
|
1236 | #endif |
|
|
1237 | stack_start = (char *)cctx->sptr + CORO_STACKGUARD * PAGESIZE; |
|
|
1238 | stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE; |
|
|
1239 | cctx->flags |= CC_MAPPED; |
|
|
1240 | } |
1530 | { |
1241 | else |
|
|
1242 | #endif |
|
|
1243 | { |
|
|
1244 | cctx->ssize = cctx_stacksize * (long)sizeof (long); |
|
|
1245 | New (0, cctx->sptr, cctx_stacksize, long); |
|
|
1246 | |
|
|
1247 | if (!cctx->sptr) |
|
|
1248 | { |
|
|
1249 | perror ("FATAL: unable to allocate stack for coroutine, exiting."); |
1531 | perror ("FATAL: unable to allocate stack for coroutine, exiting."); |
1250 | _exit (EXIT_FAILURE); |
1532 | _exit (EXIT_FAILURE); |
1251 | } |
|
|
1252 | |
|
|
1253 | stack_start = cctx->sptr; |
|
|
1254 | stack_size = cctx->ssize; |
|
|
1255 | } |
1533 | } |
1256 | |
1534 | |
1257 | #if CORO_USE_VALGRIND |
|
|
1258 | cctx->valgrind_id = VALGRIND_STACK_REGISTER ((char *)stack_start, (char *)stack_start + stack_size); |
|
|
1259 | #endif |
|
|
1260 | |
|
|
1261 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size); |
1535 | coro_create (&cctx->cctx, cctx_run, (void *)cctx, cctx->stack.sptr, cctx->stack.ssze); |
1262 | |
1536 | |
1263 | return cctx; |
1537 | return cctx; |
1264 | } |
1538 | } |
1265 | |
1539 | |
1266 | static void |
1540 | static void |
1267 | cctx_destroy (coro_cctx *cctx) |
1541 | cctx_destroy (coro_cctx *cctx) |
1268 | { |
1542 | { |
1269 | if (!cctx) |
1543 | if (!cctx) |
1270 | return; |
1544 | return; |
1271 | |
1545 | |
1272 | assert (cctx != cctx_current);//D temporary |
1546 | assert (("FATAL: tried to destroy current cctx", cctx != cctx_current)); |
1273 | |
1547 | |
1274 | --cctx_count; |
1548 | --cctx_count; |
1275 | coro_destroy (&cctx->cctx); |
1549 | coro_destroy (&cctx->cctx); |
1276 | |
1550 | |
1277 | /* coro_transfer creates new, empty cctx's */ |
1551 | coro_stack_free (&cctx->stack); |
1278 | if (cctx->sptr) |
|
|
1279 | { |
|
|
1280 | #if CORO_USE_VALGRIND |
|
|
1281 | VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); |
|
|
1282 | #endif |
|
|
1283 | |
|
|
1284 | #if HAVE_MMAP |
|
|
1285 | if (cctx->flags & CC_MAPPED) |
|
|
1286 | munmap (cctx->sptr, cctx->ssize); |
|
|
1287 | else |
|
|
1288 | #endif |
|
|
1289 | Safefree (cctx->sptr); |
|
|
1290 | } |
|
|
1291 | |
1552 | |
1292 | Safefree (cctx); |
1553 | Safefree (cctx); |
1293 | } |
1554 | } |
1294 | |
1555 | |
1295 | /* wether this cctx should be destructed */ |
1556 | /* wether this cctx should be destructed */ |
1296 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1557 | #define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen || ((cctx)->flags & CC_NOREUSE)) |
1297 | |
1558 | |
1298 | static coro_cctx * |
1559 | static coro_cctx * |
1299 | cctx_get (pTHX) |
1560 | cctx_get (pTHX) |
1300 | { |
1561 | { |
1301 | while (expect_true (cctx_first)) |
1562 | while (ecb_expect_true (cctx_first)) |
1302 | { |
1563 | { |
1303 | coro_cctx *cctx = cctx_first; |
1564 | coro_cctx *cctx = cctx_first; |
1304 | cctx_first = cctx->next; |
1565 | cctx_first = cctx->next; |
1305 | --cctx_idle; |
1566 | --cctx_idle; |
1306 | |
1567 | |
1307 | if (expect_true (!CCTX_EXPIRED (cctx))) |
1568 | if (ecb_expect_true (!CCTX_EXPIRED (cctx))) |
1308 | return cctx; |
1569 | return cctx; |
1309 | |
1570 | |
1310 | cctx_destroy (cctx); |
1571 | cctx_destroy (cctx); |
1311 | } |
1572 | } |
1312 | |
1573 | |
… | |
… | |
1314 | } |
1575 | } |
1315 | |
1576 | |
1316 | static void |
1577 | static void |
1317 | cctx_put (coro_cctx *cctx) |
1578 | cctx_put (coro_cctx *cctx) |
1318 | { |
1579 | { |
1319 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr)); |
1580 | assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->stack.sptr)); |
1320 | |
1581 | |
1321 | /* free another cctx if overlimit */ |
1582 | /* free another cctx if overlimit */ |
1322 | if (expect_false (cctx_idle >= cctx_max_idle)) |
1583 | if (ecb_expect_false (cctx_idle >= cctx_max_idle)) |
1323 | { |
1584 | { |
1324 | coro_cctx *first = cctx_first; |
1585 | coro_cctx *first = cctx_first; |
1325 | cctx_first = first->next; |
1586 | cctx_first = first->next; |
1326 | --cctx_idle; |
1587 | --cctx_idle; |
1327 | |
1588 | |
… | |
… | |
1338 | static void |
1599 | static void |
1339 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1600 | transfer_check (pTHX_ struct coro *prev, struct coro *next) |
1340 | { |
1601 | { |
1341 | /* TODO: throwing up here is considered harmful */ |
1602 | /* TODO: throwing up here is considered harmful */ |
1342 | |
1603 | |
1343 | if (expect_true (prev != next)) |
1604 | if (ecb_expect_true (prev != next)) |
1344 | { |
1605 | { |
1345 | if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1606 | if (ecb_expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) |
1346 | croak ("Coro::State::transfer called with a suspended prev Coro::State, but can only transfer from running or new states,"); |
1607 | croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,"); |
1347 | |
1608 | |
1348 | if (expect_false (next->flags & CF_RUNNING)) |
1609 | if (ecb_expect_false (next->flags & (CF_RUNNING | CF_ZOMBIE | CF_SUSPENDED))) |
1349 | croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states,"); |
|
|
1350 | |
|
|
1351 | if (expect_false (next->flags & CF_DESTROYED)) |
|
|
1352 | croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states,"); |
1610 | croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,"); |
1353 | |
1611 | |
1354 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1612 | #if !PERL_VERSION_ATLEAST (5,10,0) |
1355 | if (expect_false (PL_lex_state != LEX_NOTPARSING)) |
1613 | if (ecb_expect_false (PL_lex_state != LEX_NOTPARSING)) |
1356 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1614 | croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); |
1357 | #endif |
1615 | #endif |
1358 | } |
1616 | } |
1359 | } |
1617 | } |
1360 | |
1618 | |
1361 | /* always use the TRANSFER macro */ |
1619 | /* always use the TRANSFER macro */ |
1362 | static void NOINLINE /* noinline so we have a fixed stackframe */ |
1620 | static void ecb_noinline /* noinline so we have a fixed stackframe */ |
1363 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1621 | transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) |
1364 | { |
1622 | { |
1365 | dSTACKLEVEL; |
1623 | dSTACKLEVEL; |
1366 | |
1624 | |
1367 | /* sometimes transfer is only called to set idle_sp */ |
1625 | /* sometimes transfer is only called to set idle_sp */ |
1368 | if (expect_false (!prev)) |
1626 | if (ecb_expect_false (!prev)) |
1369 | { |
1627 | { |
1370 | cctx_current->idle_sp = STACKLEVEL; |
1628 | cctx_current->idle_sp = STACKLEVEL; |
1371 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1629 | assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ |
1372 | } |
1630 | } |
1373 | else if (expect_true (prev != next)) |
1631 | else if (ecb_expect_true (prev != next)) |
1374 | { |
1632 | { |
1375 | coro_cctx *cctx_prev; |
1633 | coro_cctx *cctx_prev; |
1376 | |
1634 | |
1377 | if (expect_false (prev->flags & CF_NEW)) |
1635 | if (ecb_expect_false (prev->flags & CF_NEW)) |
1378 | { |
1636 | { |
1379 | /* create a new empty/source context */ |
1637 | /* create a new empty/source context */ |
1380 | prev->flags &= ~CF_NEW; |
1638 | prev->flags &= ~CF_NEW; |
1381 | prev->flags |= CF_RUNNING; |
1639 | prev->flags |= CF_RUNNING; |
1382 | } |
1640 | } |
… | |
… | |
1385 | next->flags |= CF_RUNNING; |
1643 | next->flags |= CF_RUNNING; |
1386 | |
1644 | |
1387 | /* first get rid of the old state */ |
1645 | /* first get rid of the old state */ |
1388 | save_perl (aTHX_ prev); |
1646 | save_perl (aTHX_ prev); |
1389 | |
1647 | |
1390 | if (expect_false (next->flags & CF_NEW)) |
1648 | if (ecb_expect_false (next->flags & CF_NEW)) |
1391 | { |
1649 | { |
1392 | /* need to start coroutine */ |
1650 | /* need to start coroutine */ |
1393 | next->flags &= ~CF_NEW; |
1651 | next->flags &= ~CF_NEW; |
1394 | /* setup coroutine call */ |
1652 | /* setup coroutine call */ |
1395 | coro_setup (aTHX_ next); |
1653 | init_perl (aTHX_ next); |
1396 | } |
1654 | } |
1397 | else |
1655 | else |
1398 | load_perl (aTHX_ next); |
1656 | load_perl (aTHX_ next); |
1399 | |
1657 | |
1400 | assert (!prev->cctx);//D temporary |
|
|
1401 | |
|
|
1402 | /* possibly untie and reuse the cctx */ |
1658 | /* possibly untie and reuse the cctx */ |
1403 | if (expect_true ( |
1659 | if (ecb_expect_true ( |
1404 | cctx_current->idle_sp == STACKLEVEL |
1660 | cctx_current->idle_sp == STACKLEVEL |
1405 | && !(cctx_current->flags & CC_TRACE) |
1661 | && !(cctx_current->flags & CC_TRACE) |
1406 | && !force_cctx |
1662 | && !force_cctx |
1407 | )) |
1663 | )) |
1408 | { |
1664 | { |
1409 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1665 | /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ |
1410 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1666 | assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te)); |
1411 | |
1667 | |
1412 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1668 | /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */ |
1413 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1669 | /* without this the next cctx_get might destroy the running cctx while still in use */ |
1414 | if (expect_false (CCTX_EXPIRED (cctx_current))) |
1670 | if (ecb_expect_false (CCTX_EXPIRED (cctx_current))) |
1415 | if (expect_true (!next->cctx)) |
1671 | if (ecb_expect_true (!next->cctx)) |
1416 | next->cctx = cctx_get (aTHX); |
1672 | next->cctx = cctx_get (aTHX); |
1417 | |
1673 | |
1418 | cctx_put (cctx_current); |
1674 | cctx_put (cctx_current); |
1419 | } |
1675 | } |
1420 | else |
1676 | else |
1421 | prev->cctx = cctx_current; |
1677 | prev->cctx = cctx_current; |
1422 | |
1678 | |
1423 | ++next->usecount; |
1679 | ++next->usecount; |
1424 | |
1680 | |
1425 | cctx_prev = cctx_current; |
1681 | cctx_prev = cctx_current; |
1426 | cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1682 | cctx_current = ecb_expect_false (next->cctx) ? next->cctx : cctx_get (aTHX); |
1427 | |
1683 | |
1428 | next->cctx = 0; |
1684 | next->cctx = 0; |
1429 | |
1685 | |
1430 | if (expect_false (cctx_prev != cctx_current)) |
1686 | if (ecb_expect_false (cctx_prev != cctx_current)) |
1431 | { |
1687 | { |
1432 | cctx_prev->top_env = PL_top_env; |
1688 | cctx_prev->top_env = PL_top_env; |
1433 | PL_top_env = cctx_current->top_env; |
1689 | PL_top_env = cctx_current->top_env; |
1434 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1690 | coro_transfer (&cctx_prev->cctx, &cctx_current->cctx); |
1435 | } |
1691 | } |
… | |
… | |
1441 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1697 | #define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx)) |
1442 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1698 | #define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) |
1443 | |
1699 | |
1444 | /** high level stuff ********************************************************/ |
1700 | /** high level stuff ********************************************************/ |
1445 | |
1701 | |
|
|
1702 | /* this function is actually Coro, not Coro::State, but we call it from here */ |
|
|
1703 | /* because it is convenient - but it hasn't been declared yet for that reason */ |
1446 | static int |
1704 | static void |
|
|
1705 | coro_call_on_destroy (pTHX_ struct coro *coro); |
|
|
1706 | |
|
|
1707 | static void |
1447 | coro_state_destroy (pTHX_ struct coro *coro) |
1708 | coro_state_destroy (pTHX_ struct coro *coro) |
1448 | { |
1709 | { |
1449 | if (coro->flags & CF_DESTROYED) |
1710 | if (coro->flags & CF_ZOMBIE) |
1450 | return 0; |
1711 | return; |
1451 | |
1712 | |
1452 | if (coro->on_destroy) |
|
|
1453 | coro->on_destroy (aTHX_ coro); |
1713 | slf_destroy (aTHX_ coro); |
1454 | |
1714 | |
1455 | coro->flags |= CF_DESTROYED; |
1715 | coro->flags |= CF_ZOMBIE; |
1456 | |
1716 | |
1457 | if (coro->flags & CF_READY) |
1717 | if (coro->flags & CF_READY) |
1458 | { |
1718 | { |
1459 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1719 | /* reduce nready, as destroying a ready coro effectively unreadies it */ |
1460 | /* alternative: look through all ready queues and remove the coro */ |
1720 | /* alternative: look through all ready queues and remove the coro */ |
1461 | --coro_nready; |
1721 | --coro_nready; |
1462 | } |
1722 | } |
1463 | else |
1723 | else |
1464 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
1724 | coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ |
1465 | |
1725 | |
1466 | if (coro->mainstack && coro->mainstack != main_mainstack) |
1726 | if (coro->next) coro->next->prev = coro->prev; |
1467 | { |
1727 | if (coro->prev) coro->prev->next = coro->next; |
1468 | struct coro temp; |
1728 | if (coro == coro_first) coro_first = coro->next; |
1469 | |
1729 | |
1470 | assert (("FATAL: tried to destroy currently running coroutine (please report)", !(coro->flags & CF_RUNNING))); |
1730 | if (coro->mainstack |
1471 | |
1731 | && coro->mainstack != main_mainstack |
1472 | save_perl (aTHX_ &temp); |
1732 | && coro->slot |
|
|
1733 | && !PL_dirty) |
1473 | load_perl (aTHX_ coro); |
1734 | destroy_perl (aTHX_ coro); |
1474 | |
|
|
1475 | coro_destruct (aTHX_ coro); |
|
|
1476 | |
|
|
1477 | load_perl (aTHX_ &temp); |
|
|
1478 | |
|
|
1479 | coro->slot = 0; |
|
|
1480 | } |
|
|
1481 | |
1735 | |
1482 | cctx_destroy (coro->cctx); |
1736 | cctx_destroy (coro->cctx); |
1483 | SvREFCNT_dec (coro->startcv); |
1737 | SvREFCNT_dec (coro->startcv); |
1484 | SvREFCNT_dec (coro->args); |
1738 | SvREFCNT_dec (coro->args); |
|
|
1739 | SvREFCNT_dec (coro->swap_sv); |
1485 | SvREFCNT_dec (CORO_THROW); |
1740 | SvREFCNT_dec (CORO_THROW); |
1486 | |
1741 | |
1487 | if (coro->next) coro->next->prev = coro->prev; |
1742 | coro_call_on_destroy (aTHX_ coro); |
1488 | if (coro->prev) coro->prev->next = coro->next; |
|
|
1489 | if (coro == coro_first) coro_first = coro->next; |
|
|
1490 | |
1743 | |
1491 | return 1; |
1744 | /* more destruction mayhem in coro_state_free */ |
1492 | } |
1745 | } |
1493 | |
1746 | |
1494 | static int |
1747 | static int |
1495 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1748 | coro_state_free (pTHX_ SV *sv, MAGIC *mg) |
1496 | { |
1749 | { |
1497 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1750 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1498 | mg->mg_ptr = 0; |
1751 | mg->mg_ptr = 0; |
1499 | |
1752 | |
1500 | coro->hv = 0; |
|
|
1501 | |
|
|
1502 | if (--coro->refcnt < 0) |
|
|
1503 | { |
|
|
1504 | coro_state_destroy (aTHX_ coro); |
1753 | coro_state_destroy (aTHX_ coro); |
|
|
1754 | SvREFCNT_dec (coro->on_destroy); |
|
|
1755 | SvREFCNT_dec (coro->status); |
|
|
1756 | |
1505 | Safefree (coro); |
1757 | Safefree (coro); |
1506 | } |
|
|
1507 | |
1758 | |
1508 | return 0; |
1759 | return 0; |
1509 | } |
1760 | } |
1510 | |
1761 | |
1511 | static int |
1762 | static int ecb_cold |
1512 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1763 | coro_state_dup (pTHX_ MAGIC *mg, CLONE_PARAMS *params) |
1513 | { |
1764 | { |
1514 | struct coro *coro = (struct coro *)mg->mg_ptr; |
1765 | /* called when perl clones the current process the slow way (windows process emulation) */ |
1515 | |
1766 | /* WE SIMply nuke the pointers in the copy, causing perl to croak */ |
1516 | ++coro->refcnt; |
1767 | mg->mg_ptr = 0; |
|
|
1768 | mg->mg_virtual = 0; |
1517 | |
1769 | |
1518 | return 0; |
1770 | return 0; |
1519 | } |
1771 | } |
1520 | |
1772 | |
1521 | static MGVTBL coro_state_vtbl = { |
1773 | static MGVTBL coro_state_vtbl = { |
… | |
… | |
1544 | |
1796 | |
1545 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1797 | prepare_transfer (aTHX_ &ta, prev_sv, next_sv); |
1546 | TRANSFER (ta, 1); |
1798 | TRANSFER (ta, 1); |
1547 | } |
1799 | } |
1548 | |
1800 | |
1549 | /*****************************************************************************/ |
|
|
1550 | /* gensub: simple closure generation utility */ |
|
|
1551 | |
|
|
1552 | #define GENSUB_ARG CvXSUBANY (cv).any_ptr |
|
|
1553 | |
|
|
1554 | /* create a closure from XS, returns a code reference */ |
|
|
1555 | /* the arg can be accessed via GENSUB_ARG from the callback */ |
|
|
1556 | /* the callback must use dXSARGS/XSRETURN */ |
|
|
1557 | static SV * |
|
|
1558 | gensub (pTHX_ void (*xsub)(pTHX_ CV *), void *arg) |
|
|
1559 | { |
|
|
1560 | CV *cv = (CV *)newSV (0); |
|
|
1561 | |
|
|
1562 | sv_upgrade ((SV *)cv, SVt_PVCV); |
|
|
1563 | |
|
|
1564 | CvANON_on (cv); |
|
|
1565 | CvISXSUB_on (cv); |
|
|
1566 | CvXSUB (cv) = xsub; |
|
|
1567 | GENSUB_ARG = arg; |
|
|
1568 | |
|
|
1569 | return newRV_noinc ((SV *)cv); |
|
|
1570 | } |
|
|
1571 | |
|
|
1572 | /** Coro ********************************************************************/ |
1801 | /** Coro ********************************************************************/ |
1573 | |
1802 | |
1574 | INLINE void |
1803 | ecb_inline void |
1575 | coro_enq (pTHX_ struct coro *coro) |
1804 | coro_enq (pTHX_ struct coro *coro) |
1576 | { |
1805 | { |
1577 | av_push (coro_ready [coro->prio - PRIO_MIN], SvREFCNT_inc_NN (coro->hv)); |
1806 | struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; |
1578 | } |
|
|
1579 | |
1807 | |
1580 | INLINE SV * |
1808 | SvREFCNT_inc_NN (coro->hv); |
|
|
1809 | |
|
|
1810 | coro->next_ready = 0; |
|
|
1811 | *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; |
|
|
1812 | ready [1] = coro; |
|
|
1813 | } |
|
|
1814 | |
|
|
1815 | ecb_inline struct coro * |
1581 | coro_deq (pTHX) |
1816 | coro_deq (pTHX) |
1582 | { |
1817 | { |
1583 | int prio; |
1818 | int prio; |
1584 | |
1819 | |
1585 | for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; ) |
1820 | for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) |
1586 | if (AvFILLp (coro_ready [prio]) >= 0) |
1821 | { |
1587 | return av_shift (coro_ready [prio]); |
1822 | struct coro **ready = coro_ready [prio]; |
|
|
1823 | |
|
|
1824 | if (ready [0]) |
|
|
1825 | { |
|
|
1826 | struct coro *coro = ready [0]; |
|
|
1827 | ready [0] = coro->next_ready; |
|
|
1828 | return coro; |
|
|
1829 | } |
|
|
1830 | } |
1588 | |
1831 | |
1589 | return 0; |
1832 | return 0; |
|
|
1833 | } |
|
|
1834 | |
|
|
1835 | static void |
|
|
1836 | invoke_sv_ready_hook_helper (void) |
|
|
1837 | { |
|
|
1838 | dTHX; |
|
|
1839 | dSP; |
|
|
1840 | |
|
|
1841 | ENTER; |
|
|
1842 | SAVETMPS; |
|
|
1843 | |
|
|
1844 | PUSHMARK (SP); |
|
|
1845 | PUTBACK; |
|
|
1846 | call_sv (coro_readyhook, G_VOID | G_DISCARD); |
|
|
1847 | |
|
|
1848 | FREETMPS; |
|
|
1849 | LEAVE; |
1590 | } |
1850 | } |
1591 | |
1851 | |
1592 | static int |
1852 | static int |
1593 | api_ready (pTHX_ SV *coro_sv) |
1853 | api_ready (pTHX_ SV *coro_sv) |
1594 | { |
1854 | { |
1595 | struct coro *coro; |
|
|
1596 | SV *sv_hook; |
|
|
1597 | void (*xs_hook)(void); |
|
|
1598 | |
|
|
1599 | coro = SvSTATE (coro_sv); |
1855 | struct coro *coro = SvSTATE (coro_sv); |
1600 | |
1856 | |
1601 | if (coro->flags & CF_READY) |
1857 | if (coro->flags & CF_READY) |
1602 | return 0; |
1858 | return 0; |
1603 | |
1859 | |
1604 | coro->flags |= CF_READY; |
1860 | coro->flags |= CF_READY; |
1605 | |
1861 | |
1606 | sv_hook = coro_nready ? 0 : coro_readyhook; |
|
|
1607 | xs_hook = coro_nready ? 0 : coroapi.readyhook; |
|
|
1608 | |
|
|
1609 | coro_enq (aTHX_ coro); |
1862 | coro_enq (aTHX_ coro); |
1610 | ++coro_nready; |
|
|
1611 | |
1863 | |
1612 | if (sv_hook) |
1864 | if (!coro_nready++) |
1613 | { |
1865 | if (coroapi.readyhook) |
1614 | dSP; |
1866 | coroapi.readyhook (); |
1615 | |
|
|
1616 | ENTER; |
|
|
1617 | SAVETMPS; |
|
|
1618 | |
|
|
1619 | PUSHMARK (SP); |
|
|
1620 | PUTBACK; |
|
|
1621 | call_sv (sv_hook, G_VOID | G_DISCARD); |
|
|
1622 | |
|
|
1623 | FREETMPS; |
|
|
1624 | LEAVE; |
|
|
1625 | } |
|
|
1626 | |
|
|
1627 | if (xs_hook) |
|
|
1628 | xs_hook (); |
|
|
1629 | |
1867 | |
1630 | return 1; |
1868 | return 1; |
1631 | } |
1869 | } |
1632 | |
1870 | |
1633 | static int |
1871 | static int |
… | |
… | |
1635 | { |
1873 | { |
1636 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1874 | return !!(SvSTATE (coro_sv)->flags & CF_READY); |
1637 | } |
1875 | } |
1638 | |
1876 | |
1639 | /* expects to own a reference to next->hv */ |
1877 | /* expects to own a reference to next->hv */ |
1640 | INLINE void |
1878 | ecb_inline void |
1641 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1879 | prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) |
1642 | { |
1880 | { |
1643 | SV *prev_sv = SvRV (coro_current); |
1881 | SV *prev_sv = SvRV (coro_current); |
1644 | |
1882 | |
1645 | ta->prev = SvSTATE_hv (prev_sv); |
1883 | ta->prev = SvSTATE_hv (prev_sv); |
… | |
… | |
1656 | static void |
1894 | static void |
1657 | prepare_schedule (pTHX_ struct coro_transfer_args *ta) |
1895 | prepare_schedule (pTHX_ struct coro_transfer_args *ta) |
1658 | { |
1896 | { |
1659 | for (;;) |
1897 | for (;;) |
1660 | { |
1898 | { |
1661 | SV *next_sv = coro_deq (aTHX); |
1899 | struct coro *next = coro_deq (aTHX); |
1662 | |
1900 | |
1663 | if (expect_true (next_sv)) |
1901 | if (ecb_expect_true (next)) |
1664 | { |
1902 | { |
1665 | struct coro *next = SvSTATE_hv (next_sv); |
|
|
1666 | |
|
|
1667 | /* cannot transfer to destroyed coros, skip and look for next */ |
1903 | /* cannot transfer to destroyed coros, skip and look for next */ |
1668 | if (expect_false (next->flags & CF_DESTROYED)) |
1904 | if (ecb_expect_false (next->flags & (CF_ZOMBIE | CF_SUSPENDED))) |
1669 | SvREFCNT_dec (next_sv); /* coro_nready has already been taken care of by destroy */ |
1905 | SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */ |
1670 | else |
1906 | else |
1671 | { |
1907 | { |
1672 | next->flags &= ~CF_READY; |
1908 | next->flags &= ~CF_READY; |
1673 | --coro_nready; |
1909 | --coro_nready; |
1674 | |
1910 | |
… | |
… | |
1680 | { |
1916 | { |
1681 | /* nothing to schedule: call the idle handler */ |
1917 | /* nothing to schedule: call the idle handler */ |
1682 | if (SvROK (sv_idle) |
1918 | if (SvROK (sv_idle) |
1683 | && SvOBJECT (SvRV (sv_idle))) |
1919 | && SvOBJECT (SvRV (sv_idle))) |
1684 | { |
1920 | { |
|
|
1921 | if (SvRV (sv_idle) == SvRV (coro_current)) |
|
|
1922 | { |
|
|
1923 | require_pv ("Carp"); |
|
|
1924 | |
|
|
1925 | { |
|
|
1926 | dSP; |
|
|
1927 | |
|
|
1928 | ENTER; |
|
|
1929 | SAVETMPS; |
|
|
1930 | |
|
|
1931 | PUSHMARK (SP); |
|
|
1932 | XPUSHs (sv_2mortal (newSVpv ("FATAL: $Coro::IDLE blocked itself - did you try to block inside an event loop callback? Caught", 0))); |
|
|
1933 | PUTBACK; |
|
|
1934 | call_pv ("Carp::confess", G_VOID | G_DISCARD); |
|
|
1935 | |
|
|
1936 | FREETMPS; |
|
|
1937 | LEAVE; |
|
|
1938 | } |
|
|
1939 | } |
|
|
1940 | |
1685 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
1941 | ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ |
1686 | api_ready (aTHX_ SvRV (sv_idle)); |
1942 | api_ready (aTHX_ SvRV (sv_idle)); |
1687 | --coro_nready; |
1943 | --coro_nready; |
1688 | } |
1944 | } |
1689 | else |
1945 | else |
1690 | { |
1946 | { |
|
|
1947 | /* TODO: deprecated, remove, cannot work reliably *//*D*/ |
1691 | dSP; |
1948 | dSP; |
1692 | |
1949 | |
1693 | ENTER; |
1950 | ENTER; |
1694 | SAVETMPS; |
1951 | SAVETMPS; |
1695 | |
1952 | |
… | |
… | |
1702 | } |
1959 | } |
1703 | } |
1960 | } |
1704 | } |
1961 | } |
1705 | } |
1962 | } |
1706 | |
1963 | |
1707 | INLINE void |
1964 | ecb_inline void |
1708 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1965 | prepare_cede (pTHX_ struct coro_transfer_args *ta) |
1709 | { |
1966 | { |
1710 | api_ready (aTHX_ coro_current); |
1967 | api_ready (aTHX_ coro_current); |
1711 | prepare_schedule (aTHX_ ta); |
1968 | prepare_schedule (aTHX_ ta); |
1712 | } |
1969 | } |
1713 | |
1970 | |
1714 | INLINE void |
1971 | ecb_inline void |
1715 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
1972 | prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) |
1716 | { |
1973 | { |
1717 | SV *prev = SvRV (coro_current); |
1974 | SV *prev = SvRV (coro_current); |
1718 | |
1975 | |
1719 | if (coro_nready) |
1976 | if (coro_nready) |
… | |
… | |
1749 | { |
2006 | { |
1750 | struct coro_transfer_args ta; |
2007 | struct coro_transfer_args ta; |
1751 | |
2008 | |
1752 | prepare_cede (aTHX_ &ta); |
2009 | prepare_cede (aTHX_ &ta); |
1753 | |
2010 | |
1754 | if (expect_true (ta.prev != ta.next)) |
2011 | if (ecb_expect_true (ta.prev != ta.next)) |
1755 | { |
2012 | { |
1756 | TRANSFER (ta, 1); |
2013 | TRANSFER (ta, 1); |
1757 | return 1; |
2014 | return 1; |
1758 | } |
2015 | } |
1759 | else |
2016 | else |
… | |
… | |
1802 | coro->slot->runops = RUNOPS_DEFAULT; |
2059 | coro->slot->runops = RUNOPS_DEFAULT; |
1803 | } |
2060 | } |
1804 | } |
2061 | } |
1805 | |
2062 | |
1806 | static void |
2063 | static void |
|
|
2064 | coro_push_av (pTHX_ AV *av, I32 gimme_v) |
|
|
2065 | { |
|
|
2066 | if (AvFILLp (av) >= 0 && gimme_v != G_VOID) |
|
|
2067 | { |
|
|
2068 | dSP; |
|
|
2069 | |
|
|
2070 | if (gimme_v == G_SCALAR) |
|
|
2071 | XPUSHs (AvARRAY (av)[AvFILLp (av)]); |
|
|
2072 | else |
|
|
2073 | { |
|
|
2074 | int i; |
|
|
2075 | EXTEND (SP, AvFILLp (av) + 1); |
|
|
2076 | |
|
|
2077 | for (i = 0; i <= AvFILLp (av); ++i) |
|
|
2078 | PUSHs (AvARRAY (av)[i]); |
|
|
2079 | } |
|
|
2080 | |
|
|
2081 | PUTBACK; |
|
|
2082 | } |
|
|
2083 | } |
|
|
2084 | |
|
|
2085 | static void |
|
|
2086 | coro_push_on_destroy (pTHX_ struct coro *coro, SV *cb) |
|
|
2087 | { |
|
|
2088 | if (!coro->on_destroy) |
|
|
2089 | coro->on_destroy = newAV (); |
|
|
2090 | |
|
|
2091 | av_push (coro->on_destroy, cb); |
|
|
2092 | } |
|
|
2093 | |
|
|
2094 | static void |
|
|
2095 | slf_destroy_join (pTHX_ struct CoroSLF *frame) |
|
|
2096 | { |
|
|
2097 | SvREFCNT_dec ((SV *)((struct coro *)frame->data)->hv); |
|
|
2098 | } |
|
|
2099 | |
|
|
2100 | static int |
|
|
2101 | slf_check_join (pTHX_ struct CoroSLF *frame) |
|
|
2102 | { |
|
|
2103 | struct coro *coro = (struct coro *)frame->data; |
|
|
2104 | |
|
|
2105 | if (!coro->status) |
|
|
2106 | return 1; |
|
|
2107 | |
|
|
2108 | frame->destroy = 0; |
|
|
2109 | |
|
|
2110 | coro_push_av (aTHX_ coro->status, GIMME_V); |
|
|
2111 | |
|
|
2112 | SvREFCNT_dec ((SV *)coro->hv); |
|
|
2113 | |
|
|
2114 | return 0; |
|
|
2115 | } |
|
|
2116 | |
|
|
2117 | static void |
|
|
2118 | slf_init_join (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2119 | { |
|
|
2120 | struct coro *coro = SvSTATE (items > 0 ? arg [0] : &PL_sv_undef); |
|
|
2121 | |
|
|
2122 | if (items > 1) |
|
|
2123 | croak ("join called with too many arguments"); |
|
|
2124 | |
|
|
2125 | if (coro->status) |
|
|
2126 | frame->prepare = prepare_nop; |
|
|
2127 | else |
|
|
2128 | { |
|
|
2129 | coro_push_on_destroy (aTHX_ coro, SvREFCNT_inc_NN (SvRV (coro_current))); |
|
|
2130 | frame->prepare = prepare_schedule; |
|
|
2131 | } |
|
|
2132 | |
|
|
2133 | frame->check = slf_check_join; |
|
|
2134 | frame->destroy = slf_destroy_join; |
|
|
2135 | frame->data = (void *)coro; |
|
|
2136 | SvREFCNT_inc (coro->hv); |
|
|
2137 | } |
|
|
2138 | |
|
|
2139 | static void |
1807 | coro_call_on_destroy (pTHX_ struct coro *coro) |
2140 | coro_call_on_destroy (pTHX_ struct coro *coro) |
1808 | { |
2141 | { |
1809 | SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0); |
2142 | AV *od = coro->on_destroy; |
1810 | SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0); |
|
|
1811 | |
2143 | |
1812 | if (on_destroyp) |
2144 | if (!od) |
1813 | { |
2145 | return; |
1814 | AV *on_destroy = (AV *)SvRV (*on_destroyp); |
|
|
1815 | |
2146 | |
|
|
2147 | coro->on_destroy = 0; |
|
|
2148 | sv_2mortal ((SV *)od); |
|
|
2149 | |
1816 | while (AvFILLp (on_destroy) >= 0) |
2150 | while (AvFILLp (od) >= 0) |
|
|
2151 | { |
|
|
2152 | SV *cb = sv_2mortal (av_pop (od)); |
|
|
2153 | |
|
|
2154 | /* coro hv's (and only hv's at the moment) are supported as well */ |
|
|
2155 | if (SvSTATEhv_p (aTHX_ cb)) |
|
|
2156 | api_ready (aTHX_ cb); |
|
|
2157 | else |
1817 | { |
2158 | { |
1818 | dSP; /* don't disturb outer sp */ |
2159 | dSP; /* don't disturb outer sp */ |
1819 | SV *cb = av_pop (on_destroy); |
|
|
1820 | |
|
|
1821 | PUSHMARK (SP); |
2160 | PUSHMARK (SP); |
1822 | |
2161 | |
1823 | if (statusp) |
2162 | if (coro->status) |
1824 | { |
2163 | { |
1825 | int i; |
2164 | PUTBACK; |
1826 | AV *status = (AV *)SvRV (*statusp); |
2165 | coro_push_av (aTHX_ coro->status, G_ARRAY); |
1827 | EXTEND (SP, AvFILLp (status) + 1); |
2166 | SPAGAIN; |
1828 | |
|
|
1829 | for (i = 0; i <= AvFILLp (status); ++i) |
|
|
1830 | PUSHs (AvARRAY (status)[i]); |
|
|
1831 | } |
2167 | } |
1832 | |
2168 | |
1833 | PUTBACK; |
2169 | PUTBACK; |
1834 | call_sv (sv_2mortal (cb), G_VOID | G_DISCARD); |
2170 | call_sv (cb, G_VOID | G_DISCARD); |
1835 | } |
2171 | } |
1836 | } |
2172 | } |
1837 | } |
2173 | } |
1838 | |
2174 | |
1839 | static void |
2175 | static void |
1840 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2176 | coro_set_status (pTHX_ struct coro *coro, SV **arg, int items) |
1841 | { |
2177 | { |
|
|
2178 | AV *av; |
|
|
2179 | |
|
|
2180 | if (coro->status) |
|
|
2181 | { |
|
|
2182 | av = coro->status; |
|
|
2183 | av_clear (av); |
|
|
2184 | } |
|
|
2185 | else |
|
|
2186 | av = coro->status = newAV (); |
|
|
2187 | |
|
|
2188 | /* items are actually not so common, so optimise for this case */ |
|
|
2189 | if (items) |
|
|
2190 | { |
1842 | int i; |
2191 | int i; |
1843 | HV *hv = (HV *)SvRV (coro_current); |
|
|
1844 | AV *av = newAV (); |
|
|
1845 | |
2192 | |
1846 | av_extend (av, items - 1); |
2193 | av_extend (av, items - 1); |
|
|
2194 | |
1847 | for (i = 0; i < items; ++i) |
2195 | for (i = 0; i < items; ++i) |
1848 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
2196 | av_push (av, SvREFCNT_inc_NN (arg [i])); |
|
|
2197 | } |
|
|
2198 | } |
1849 | |
2199 | |
1850 | hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0); |
2200 | static void |
1851 | |
2201 | slf_init_terminate_cancel_common (pTHX_ struct CoroSLF *frame, HV *coro_hv) |
|
|
2202 | { |
1852 | av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */ |
2203 | av_push (av_destroy, (SV *)newRV_inc ((SV *)coro_hv)); /* RVinc for perl */ |
1853 | api_ready (aTHX_ sv_manager); |
2204 | api_ready (aTHX_ sv_manager); |
1854 | |
2205 | |
1855 | frame->prepare = prepare_schedule; |
2206 | frame->prepare = prepare_schedule; |
1856 | frame->check = slf_check_repeat; |
2207 | frame->check = slf_check_repeat; |
|
|
2208 | |
|
|
2209 | /* as a minor optimisation, we could unwind all stacks here */ |
|
|
2210 | /* but that puts extra pressure on pp_slf, and is not worth much */ |
|
|
2211 | /*coro_unwind_stacks (aTHX);*/ |
|
|
2212 | } |
|
|
2213 | |
|
|
2214 | static void |
|
|
2215 | slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2216 | { |
|
|
2217 | HV *coro_hv = (HV *)SvRV (coro_current); |
|
|
2218 | |
|
|
2219 | coro_set_status (aTHX_ SvSTATE ((SV *)coro_hv), arg, items); |
|
|
2220 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
|
|
2221 | } |
|
|
2222 | |
|
|
2223 | static void |
|
|
2224 | slf_init_cancel (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
|
|
2225 | { |
|
|
2226 | HV *coro_hv; |
|
|
2227 | struct coro *coro; |
|
|
2228 | |
|
|
2229 | if (items <= 0) |
|
|
2230 | croak ("Coro::cancel called without coro object,"); |
|
|
2231 | |
|
|
2232 | coro = SvSTATE (arg [0]); |
|
|
2233 | coro_hv = coro->hv; |
|
|
2234 | |
|
|
2235 | coro_set_status (aTHX_ coro, arg + 1, items - 1); |
|
|
2236 | |
|
|
2237 | if (ecb_expect_false (coro->flags & CF_NOCANCEL)) |
|
|
2238 | { |
|
|
2239 | /* coro currently busy cancelling something, so just notify it */ |
|
|
2240 | coro->slf_frame.data = (void *)coro; |
|
|
2241 | |
|
|
2242 | frame->prepare = prepare_nop; |
|
|
2243 | frame->check = slf_check_nop; |
|
|
2244 | } |
|
|
2245 | else if (coro_hv == (HV *)SvRV (coro_current)) |
|
|
2246 | { |
|
|
2247 | /* cancelling the current coro is allowed, and equals terminate */ |
|
|
2248 | slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); |
|
|
2249 | } |
|
|
2250 | else |
|
|
2251 | { |
|
|
2252 | struct coro *self = SvSTATE_current; |
|
|
2253 | |
|
|
2254 | if (!self) |
|
|
2255 | croak ("Coro::cancel called outside of thread content,"); |
|
|
2256 | |
|
|
2257 | /* otherwise we cancel directly, purely for speed reasons |
|
|
2258 | * unfortunately, this requires some magic trickery, as |
|
|
2259 | * somebody else could cancel us, so we have to fight the cancellation. |
|
|
2260 | * this is ugly, and hopefully fully worth the extra speed. |
|
|
2261 | * besides, I can't get the slow-but-safe version working... |
|
|
2262 | */ |
|
|
2263 | slf_frame.data = 0; |
|
|
2264 | self->flags |= CF_NOCANCEL; |
|
|
2265 | coro_state_destroy (aTHX_ coro); |
|
|
2266 | self->flags &= ~CF_NOCANCEL; |
|
|
2267 | |
|
|
2268 | if (slf_frame.data) |
|
|
2269 | { |
|
|
2270 | /* while we were busy we have been cancelled, so terminate */ |
|
|
2271 | slf_init_terminate_cancel_common (aTHX_ frame, self->hv); |
|
|
2272 | } |
|
|
2273 | else |
|
|
2274 | { |
|
|
2275 | frame->prepare = prepare_nop; |
|
|
2276 | frame->check = slf_check_nop; |
|
|
2277 | } |
|
|
2278 | } |
|
|
2279 | } |
|
|
2280 | |
|
|
2281 | static int |
|
|
2282 | slf_check_safe_cancel (pTHX_ struct CoroSLF *frame) |
|
|
2283 | { |
|
|
2284 | frame->prepare = 0; |
|
|
2285 | coro_unwind_stacks (aTHX); |
|
|
2286 | |
|
|
2287 | slf_init_terminate_cancel_common (aTHX_ frame, (HV *)SvRV (coro_current)); |
|
|
2288 | |
|
|
2289 | return 1; |
|
|
2290 | } |
|
|
2291 | |
|
|
2292 | static int |
|
|
2293 | safe_cancel (pTHX_ struct coro *coro, SV **arg, int items) |
|
|
2294 | { |
|
|
2295 | if (coro->cctx) |
|
|
2296 | croak ("coro inside C callback, unable to cancel at this time, caught"); |
|
|
2297 | |
|
|
2298 | if (coro->flags & CF_NEW) |
|
|
2299 | { |
|
|
2300 | coro_set_status (aTHX_ coro, arg, items); |
|
|
2301 | coro_state_destroy (aTHX_ coro); |
|
|
2302 | } |
|
|
2303 | else |
|
|
2304 | { |
|
|
2305 | if (!coro->slf_frame.prepare) |
|
|
2306 | croak ("coro outside an SLF function, unable to cancel at this time, caught"); |
|
|
2307 | |
|
|
2308 | slf_destroy (aTHX_ coro); |
|
|
2309 | |
|
|
2310 | coro_set_status (aTHX_ coro, arg, items); |
|
|
2311 | coro->slf_frame.prepare = prepare_nop; |
|
|
2312 | coro->slf_frame.check = slf_check_safe_cancel; |
|
|
2313 | |
|
|
2314 | api_ready (aTHX_ (SV *)coro->hv); |
|
|
2315 | } |
|
|
2316 | |
|
|
2317 | return 1; |
1857 | } |
2318 | } |
1858 | |
2319 | |
1859 | /*****************************************************************************/ |
2320 | /*****************************************************************************/ |
1860 | /* async pool handler */ |
2321 | /* async pool handler */ |
1861 | |
2322 | |
… | |
… | |
1892 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2353 | slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
1893 | { |
2354 | { |
1894 | HV *hv = (HV *)SvRV (coro_current); |
2355 | HV *hv = (HV *)SvRV (coro_current); |
1895 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
2356 | struct coro *coro = SvSTATE_hv ((SV *)hv); |
1896 | |
2357 | |
1897 | if (expect_true (coro->saved_deffh)) |
2358 | if (ecb_expect_true (coro->saved_deffh)) |
1898 | { |
2359 | { |
1899 | /* subsequent iteration */ |
2360 | /* subsequent iteration */ |
1900 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
2361 | SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; |
1901 | coro->saved_deffh = 0; |
2362 | coro->saved_deffh = 0; |
1902 | |
2363 | |
1903 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
2364 | if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss) |
1904 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
2365 | || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) |
1905 | { |
2366 | { |
1906 | coro->invoke_cb = SvREFCNT_inc_NN ((SV *)cv_coro_terminate); |
2367 | slf_init_terminate_cancel_common (aTHX_ frame, hv); |
1907 | coro->invoke_av = newAV (); |
2368 | return; |
1908 | |
|
|
1909 | frame->prepare = prepare_nop; |
|
|
1910 | } |
2369 | } |
1911 | else |
2370 | else |
1912 | { |
2371 | { |
1913 | av_clear (GvAV (PL_defgv)); |
2372 | av_clear (GvAV (PL_defgv)); |
1914 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
2373 | hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0); |
… | |
… | |
1939 | |
2398 | |
1940 | static void |
2399 | static void |
1941 | coro_rouse_callback (pTHX_ CV *cv) |
2400 | coro_rouse_callback (pTHX_ CV *cv) |
1942 | { |
2401 | { |
1943 | dXSARGS; |
2402 | dXSARGS; |
1944 | SV *data = (SV *)GENSUB_ARG; |
2403 | SV *data = (SV *)S_GENSUB_ARG; |
1945 | |
2404 | |
1946 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2405 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
1947 | { |
2406 | { |
1948 | /* first call, set args */ |
2407 | /* first call, set args */ |
|
|
2408 | SV *coro = SvRV (data); |
1949 | AV *av = newAV (); |
2409 | AV *av = newAV (); |
1950 | SV *coro = SvRV (data); |
|
|
1951 | |
2410 | |
1952 | SvRV_set (data, (SV *)av); |
2411 | SvRV_set (data, (SV *)av); |
1953 | api_ready (aTHX_ coro); |
|
|
1954 | SvREFCNT_dec (coro); |
|
|
1955 | |
2412 | |
1956 | /* better take a full copy of the arguments */ |
2413 | /* better take a full copy of the arguments */ |
1957 | while (items--) |
2414 | while (items--) |
1958 | av_store (av, items, newSVsv (ST (items))); |
2415 | av_store (av, items, newSVsv (ST (items))); |
|
|
2416 | |
|
|
2417 | api_ready (aTHX_ coro); |
|
|
2418 | SvREFCNT_dec (coro); |
1959 | } |
2419 | } |
1960 | |
2420 | |
1961 | XSRETURN_EMPTY; |
2421 | XSRETURN_EMPTY; |
1962 | } |
2422 | } |
1963 | |
2423 | |
1964 | static int |
2424 | static int |
1965 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
2425 | slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) |
1966 | { |
2426 | { |
1967 | SV *data = (SV *)frame->data; |
2427 | SV *data = (SV *)frame->data; |
1968 | |
2428 | |
1969 | if (CORO_THROW) |
2429 | if (CORO_THROW) |
1970 | return 0; |
2430 | return 0; |
1971 | |
2431 | |
1972 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
2432 | if (SvTYPE (SvRV (data)) != SVt_PVAV) |
1973 | return 1; |
2433 | return 1; |
… | |
… | |
1980 | |
2440 | |
1981 | EXTEND (SP, AvFILLp (av) + 1); |
2441 | EXTEND (SP, AvFILLp (av) + 1); |
1982 | for (i = 0; i <= AvFILLp (av); ++i) |
2442 | for (i = 0; i <= AvFILLp (av); ++i) |
1983 | PUSHs (sv_2mortal (AvARRAY (av)[i])); |
2443 | PUSHs (sv_2mortal (AvARRAY (av)[i])); |
1984 | |
2444 | |
1985 | /* we have stolen the elements, so ste length to zero and free */ |
2445 | /* we have stolen the elements, so set length to zero and free */ |
1986 | AvFILLp (av) = -1; |
2446 | AvFILLp (av) = -1; |
1987 | av_undef (av); |
2447 | av_undef (av); |
1988 | |
2448 | |
1989 | PUTBACK; |
2449 | PUTBACK; |
1990 | } |
2450 | } |
… | |
… | |
2009 | cb = sv_2mortal (coro->rouse_cb); |
2469 | cb = sv_2mortal (coro->rouse_cb); |
2010 | coro->rouse_cb = 0; |
2470 | coro->rouse_cb = 0; |
2011 | } |
2471 | } |
2012 | |
2472 | |
2013 | if (!SvROK (cb) |
2473 | if (!SvROK (cb) |
2014 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2474 | || SvTYPE (SvRV (cb)) != SVt_PVCV |
2015 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2475 | || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) |
2016 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2476 | croak ("Coro::rouse_wait called with illegal callback argument,"); |
2017 | |
2477 | |
2018 | { |
2478 | { |
2019 | CV *cv = (CV *)SvRV (cb); /* for GENSUB_ARG */ |
2479 | CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ |
2020 | SV *data = (SV *)GENSUB_ARG; |
2480 | SV *data = (SV *)S_GENSUB_ARG; |
2021 | |
2481 | |
2022 | frame->data = (void *)data; |
2482 | frame->data = (void *)data; |
2023 | frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule; |
2483 | frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule; |
2024 | frame->check = slf_check_rouse_wait; |
2484 | frame->check = slf_check_rouse_wait; |
2025 | } |
2485 | } |
… | |
… | |
2029 | coro_new_rouse_cb (pTHX) |
2489 | coro_new_rouse_cb (pTHX) |
2030 | { |
2490 | { |
2031 | HV *hv = (HV *)SvRV (coro_current); |
2491 | HV *hv = (HV *)SvRV (coro_current); |
2032 | struct coro *coro = SvSTATE_hv (hv); |
2492 | struct coro *coro = SvSTATE_hv (hv); |
2033 | SV *data = newRV_inc ((SV *)hv); |
2493 | SV *data = newRV_inc ((SV *)hv); |
2034 | SV *cb = gensub (aTHX_ coro_rouse_callback, (void *)data); |
2494 | SV *cb = s_gensub (aTHX_ coro_rouse_callback, (void *)data); |
2035 | |
2495 | |
2036 | sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0); |
2496 | sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0); |
2037 | SvREFCNT_dec (data); /* magicext increases the refcount */ |
2497 | SvREFCNT_dec (data); /* magicext increases the refcount */ |
2038 | |
2498 | |
2039 | SvREFCNT_dec (coro->rouse_cb); |
2499 | SvREFCNT_dec (coro->rouse_cb); |
… | |
… | |
2136 | static void |
2596 | static void |
2137 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2597 | slf_init_cede_notself (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2138 | { |
2598 | { |
2139 | frame->prepare = prepare_cede_notself; |
2599 | frame->prepare = prepare_cede_notself; |
2140 | frame->check = slf_check_nop; |
2600 | frame->check = slf_check_nop; |
|
|
2601 | } |
|
|
2602 | |
|
|
2603 | /* "undo"/cancel a running slf call - used when cancelling a coro, mainly */ |
|
|
2604 | static void |
|
|
2605 | slf_destroy (pTHX_ struct coro *coro) |
|
|
2606 | { |
|
|
2607 | struct CoroSLF frame = coro->slf_frame; |
|
|
2608 | |
|
|
2609 | /* |
|
|
2610 | * The on_destroy below most likely is from an SLF call. |
|
|
2611 | * Since by definition the SLF call will not finish when we destroy |
|
|
2612 | * the coro, we will have to force-finish it here, otherwise |
|
|
2613 | * cleanup functions cannot call SLF functions. |
|
|
2614 | */ |
|
|
2615 | coro->slf_frame.prepare = 0; |
|
|
2616 | |
|
|
2617 | /* this callback is reserved for slf functions needing to do cleanup */ |
|
|
2618 | if (frame.destroy && frame.prepare && !PL_dirty) |
|
|
2619 | frame.destroy (aTHX_ &frame); |
2141 | } |
2620 | } |
2142 | |
2621 | |
2143 | /* |
2622 | /* |
2144 | * these not obviously related functions are all rolled into one |
2623 | * these not obviously related functions are all rolled into one |
2145 | * function to increase chances that they all will call transfer with the same |
2624 | * function to increase chances that they all will call transfer with the same |
… | |
… | |
2152 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
2631 | I32 checkmark; /* mark SP to see how many elements check has pushed */ |
2153 | |
2632 | |
2154 | /* set up the slf frame, unless it has already been set-up */ |
2633 | /* set up the slf frame, unless it has already been set-up */ |
2155 | /* the latter happens when a new coro has been started */ |
2634 | /* the latter happens when a new coro has been started */ |
2156 | /* or when a new cctx was attached to an existing coroutine */ |
2635 | /* or when a new cctx was attached to an existing coroutine */ |
2157 | if (expect_true (!slf_frame.prepare)) |
2636 | if (ecb_expect_true (!slf_frame.prepare)) |
2158 | { |
2637 | { |
2159 | /* first iteration */ |
2638 | /* first iteration */ |
2160 | dSP; |
2639 | dSP; |
2161 | SV **arg = PL_stack_base + TOPMARK + 1; |
2640 | SV **arg = PL_stack_base + TOPMARK + 1; |
2162 | int items = SP - arg; /* args without function object */ |
2641 | int items = SP - arg; /* args without function object */ |
… | |
… | |
2203 | while (slf_frame.check (aTHX_ &slf_frame)); |
2682 | while (slf_frame.check (aTHX_ &slf_frame)); |
2204 | |
2683 | |
2205 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
2684 | slf_frame.prepare = 0; /* invalidate the frame, we are done processing it */ |
2206 | |
2685 | |
2207 | /* exception handling */ |
2686 | /* exception handling */ |
2208 | if (expect_false (CORO_THROW)) |
2687 | if (ecb_expect_false (CORO_THROW)) |
2209 | { |
2688 | { |
2210 | SV *exception = sv_2mortal (CORO_THROW); |
2689 | SV *exception = sv_2mortal (CORO_THROW); |
2211 | |
2690 | |
2212 | CORO_THROW = 0; |
2691 | CORO_THROW = 0; |
2213 | sv_setsv (ERRSV, exception); |
2692 | sv_setsv (ERRSV, exception); |
2214 | croak (0); |
2693 | croak (0); |
2215 | } |
2694 | } |
2216 | |
2695 | |
2217 | /* return value handling - mostly like entersub */ |
2696 | /* return value handling - mostly like entersub */ |
2218 | /* make sure we put something on the stack in scalar context */ |
2697 | /* make sure we put something on the stack in scalar context */ |
2219 | if (GIMME_V == G_SCALAR) |
2698 | if (GIMME_V == G_SCALAR |
|
|
2699 | && ecb_expect_false (PL_stack_sp != PL_stack_base + checkmark + 1)) |
2220 | { |
2700 | { |
2221 | dSP; |
2701 | dSP; |
2222 | SV **bot = PL_stack_base + checkmark; |
2702 | SV **bot = PL_stack_base + checkmark; |
2223 | |
2703 | |
2224 | if (sp == bot) /* too few, push undef */ |
2704 | if (sp == bot) /* too few, push undef */ |
2225 | bot [1] = &PL_sv_undef; |
2705 | bot [1] = &PL_sv_undef; |
2226 | else if (sp != bot + 1) /* too many, take last one */ |
2706 | else /* too many, take last one */ |
2227 | bot [1] = *sp; |
2707 | bot [1] = *sp; |
2228 | |
2708 | |
2229 | SP = bot + 1; |
2709 | SP = bot + 1; |
2230 | |
2710 | |
2231 | PUTBACK; |
2711 | PUTBACK; |
… | |
… | |
2264 | if (PL_op->op_flags & OPf_STACKED) |
2744 | if (PL_op->op_flags & OPf_STACKED) |
2265 | { |
2745 | { |
2266 | if (items > slf_arga) |
2746 | if (items > slf_arga) |
2267 | { |
2747 | { |
2268 | slf_arga = items; |
2748 | slf_arga = items; |
2269 | free (slf_argv); |
2749 | Safefree (slf_argv); |
2270 | slf_argv = malloc (slf_arga * sizeof (SV *)); |
2750 | New (0, slf_argv, slf_arga, SV *); |
2271 | } |
2751 | } |
2272 | |
2752 | |
2273 | slf_argc = items; |
2753 | slf_argc = items; |
2274 | |
2754 | |
2275 | for (i = 0; i < items; ++i) |
2755 | for (i = 0; i < items; ++i) |
… | |
… | |
2280 | |
2760 | |
2281 | PL_op->op_ppaddr = pp_slf; |
2761 | PL_op->op_ppaddr = pp_slf; |
2282 | /*PL_op->op_type = OP_CUSTOM; /* we do behave like entersub still */ |
2762 | /*PL_op->op_type = OP_CUSTOM; /* we do behave like entersub still */ |
2283 | |
2763 | |
2284 | PL_op = (OP *)&slf_restore; |
2764 | PL_op = (OP *)&slf_restore; |
|
|
2765 | } |
|
|
2766 | |
|
|
2767 | /*****************************************************************************/ |
|
|
2768 | /* dynamic wind */ |
|
|
2769 | |
|
|
2770 | static void |
|
|
2771 | on_enterleave_call (pTHX_ SV *cb) |
|
|
2772 | { |
|
|
2773 | dSP; |
|
|
2774 | |
|
|
2775 | PUSHSTACK; |
|
|
2776 | |
|
|
2777 | PUSHMARK (SP); |
|
|
2778 | PUTBACK; |
|
|
2779 | call_sv (cb, G_VOID | G_DISCARD); |
|
|
2780 | SPAGAIN; |
|
|
2781 | |
|
|
2782 | POPSTACK; |
|
|
2783 | } |
|
|
2784 | |
|
|
2785 | static SV * |
|
|
2786 | coro_avp_pop_and_free (pTHX_ AV **avp) |
|
|
2787 | { |
|
|
2788 | AV *av = *avp; |
|
|
2789 | SV *res = av_pop (av); |
|
|
2790 | |
|
|
2791 | if (AvFILLp (av) < 0) |
|
|
2792 | { |
|
|
2793 | *avp = 0; |
|
|
2794 | SvREFCNT_dec (av); |
|
|
2795 | } |
|
|
2796 | |
|
|
2797 | return res; |
|
|
2798 | } |
|
|
2799 | |
|
|
2800 | static void |
|
|
2801 | coro_pop_on_enter (pTHX_ void *coro) |
|
|
2802 | { |
|
|
2803 | SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_enter); |
|
|
2804 | SvREFCNT_dec (cb); |
|
|
2805 | } |
|
|
2806 | |
|
|
2807 | static void |
|
|
2808 | coro_pop_on_leave (pTHX_ void *coro) |
|
|
2809 | { |
|
|
2810 | SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_leave); |
|
|
2811 | on_enterleave_call (aTHX_ sv_2mortal (cb)); |
2285 | } |
2812 | } |
2286 | |
2813 | |
2287 | /*****************************************************************************/ |
2814 | /*****************************************************************************/ |
2288 | /* PerlIO::cede */ |
2815 | /* PerlIO::cede */ |
2289 | |
2816 | |
… | |
… | |
2291 | { |
2818 | { |
2292 | PerlIOBuf base; |
2819 | PerlIOBuf base; |
2293 | NV next, every; |
2820 | NV next, every; |
2294 | } PerlIOCede; |
2821 | } PerlIOCede; |
2295 | |
2822 | |
2296 | static IV |
2823 | static IV ecb_cold |
2297 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
2824 | PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab) |
2298 | { |
2825 | { |
2299 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2826 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2300 | |
2827 | |
2301 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
2828 | self->every = SvCUR (arg) ? SvNV (arg) : 0.01; |
2302 | self->next = nvtime () + self->every; |
2829 | self->next = nvtime () + self->every; |
2303 | |
2830 | |
2304 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
2831 | return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab); |
2305 | } |
2832 | } |
2306 | |
2833 | |
2307 | static SV * |
2834 | static SV * ecb_cold |
2308 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
2835 | PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags) |
2309 | { |
2836 | { |
2310 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2837 | PerlIOCede *self = PerlIOSelf (f, PerlIOCede); |
2311 | |
2838 | |
2312 | return newSVnv (self->every); |
2839 | return newSVnv (self->every); |
… | |
… | |
2363 | /* Coro::Semaphore & Coro::Signal */ |
2890 | /* Coro::Semaphore & Coro::Signal */ |
2364 | |
2891 | |
2365 | static SV * |
2892 | static SV * |
2366 | coro_waitarray_new (pTHX_ int count) |
2893 | coro_waitarray_new (pTHX_ int count) |
2367 | { |
2894 | { |
2368 | /* a semaphore contains a counter IV in $sem->[0] and any waiters after that */ |
2895 | /* a waitarray=semaphore contains a counter IV in $sem->[0] and any waiters after that */ |
2369 | AV *av = newAV (); |
2896 | AV *av = newAV (); |
2370 | SV **ary; |
2897 | SV **ary; |
2371 | |
2898 | |
2372 | /* unfortunately, building manually saves memory */ |
2899 | /* unfortunately, building manually saves memory */ |
2373 | Newx (ary, 2, SV *); |
2900 | Newx (ary, 2, SV *); |
… | |
… | |
2424 | SvREFCNT_dec (cb); |
2951 | SvREFCNT_dec (cb); |
2425 | } |
2952 | } |
2426 | } |
2953 | } |
2427 | |
2954 | |
2428 | static void |
2955 | static void |
2429 | coro_semaphore_on_destroy (pTHX_ struct coro *coro) |
2956 | coro_semaphore_destroy (pTHX_ struct CoroSLF *frame) |
2430 | { |
2957 | { |
2431 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
2958 | /* call $sem->adjust (0) to possibly wake up some other waiters */ |
2432 | coro_semaphore_adjust (aTHX_ (AV *)coro->slf_frame.data, 0); |
2959 | coro_semaphore_adjust (aTHX_ (AV *)frame->data, 0); |
2433 | } |
2960 | } |
2434 | |
2961 | |
2435 | static int |
2962 | static int |
2436 | slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire) |
2963 | slf_check_semaphore_down_or_wait (pTHX_ struct CoroSLF *frame, int acquire) |
2437 | { |
2964 | { |
2438 | AV *av = (AV *)frame->data; |
2965 | AV *av = (AV *)frame->data; |
2439 | SV *count_sv = AvARRAY (av)[0]; |
2966 | SV *count_sv = AvARRAY (av)[0]; |
|
|
2967 | SV *coro_hv = SvRV (coro_current); |
|
|
2968 | |
|
|
2969 | frame->destroy = 0; |
2440 | |
2970 | |
2441 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2971 | /* if we are about to throw, don't actually acquire the lock, just throw */ |
2442 | if (CORO_THROW) |
2972 | if (ecb_expect_false (CORO_THROW)) |
|
|
2973 | { |
|
|
2974 | /* we still might be responsible for the semaphore, so wake up others */ |
|
|
2975 | coro_semaphore_adjust (aTHX_ av, 0); |
|
|
2976 | |
2443 | return 0; |
2977 | return 0; |
|
|
2978 | } |
2444 | else if (SvIVX (count_sv) > 0) |
2979 | else if (SvIVX (count_sv) > 0) |
2445 | { |
2980 | { |
2446 | SvSTATE_current->on_destroy = 0; |
|
|
2447 | |
|
|
2448 | if (acquire) |
2981 | if (acquire) |
2449 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2982 | SvIVX (count_sv) = SvIVX (count_sv) - 1; |
2450 | else |
2983 | else |
2451 | coro_semaphore_adjust (aTHX_ av, 0); |
2984 | coro_semaphore_adjust (aTHX_ av, 0); |
2452 | |
2985 | |
… | |
… | |
2456 | { |
2989 | { |
2457 | int i; |
2990 | int i; |
2458 | /* if we were woken up but can't down, we look through the whole */ |
2991 | /* if we were woken up but can't down, we look through the whole */ |
2459 | /* waiters list and only add us if we aren't in there already */ |
2992 | /* waiters list and only add us if we aren't in there already */ |
2460 | /* this avoids some degenerate memory usage cases */ |
2993 | /* this avoids some degenerate memory usage cases */ |
2461 | |
2994 | for (i = AvFILLp (av); i > 0; --i) /* i > 0 is not an off-by-one bug */ |
2462 | for (i = 1; i <= AvFILLp (av); ++i) |
|
|
2463 | if (AvARRAY (av)[i] == SvRV (coro_current)) |
2995 | if (AvARRAY (av)[i] == coro_hv) |
2464 | return 1; |
2996 | return 1; |
2465 | |
2997 | |
2466 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2998 | av_push (av, SvREFCNT_inc (coro_hv)); |
2467 | return 1; |
2999 | return 1; |
2468 | } |
3000 | } |
2469 | } |
3001 | } |
2470 | |
3002 | |
2471 | static int |
3003 | static int |
… | |
… | |
2494 | { |
3026 | { |
2495 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
3027 | av_push (av, SvREFCNT_inc (SvRV (coro_current))); |
2496 | |
3028 | |
2497 | frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); |
3029 | frame->data = (void *)sv_2mortal (SvREFCNT_inc ((SV *)av)); |
2498 | frame->prepare = prepare_schedule; |
3030 | frame->prepare = prepare_schedule; |
2499 | |
|
|
2500 | /* to avoid race conditions when a woken-up coro gets terminated */ |
3031 | /* to avoid race conditions when a woken-up coro gets terminated */ |
2501 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
3032 | /* we arrange for a temporary on_destroy that calls adjust (0) */ |
2502 | SvSTATE_current->on_destroy = coro_semaphore_on_destroy; |
3033 | frame->destroy = coro_semaphore_destroy; |
2503 | } |
3034 | } |
2504 | } |
3035 | } |
2505 | |
3036 | |
2506 | static void |
3037 | static void |
2507 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
3038 | slf_init_semaphore_down (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
… | |
… | |
2515 | { |
3046 | { |
2516 | if (items >= 2) |
3047 | if (items >= 2) |
2517 | { |
3048 | { |
2518 | /* callback form */ |
3049 | /* callback form */ |
2519 | AV *av = (AV *)SvRV (arg [0]); |
3050 | AV *av = (AV *)SvRV (arg [0]); |
2520 | CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]); |
3051 | SV *cb_cv = s_get_cv_croak (arg [1]); |
2521 | |
3052 | |
2522 | av_push (av, (SV *)SvREFCNT_inc_NN (cb_cv)); |
3053 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
2523 | |
3054 | |
2524 | if (SvIVX (AvARRAY (av)[0]) > 0) |
3055 | if (SvIVX (AvARRAY (av)[0]) > 0) |
2525 | coro_semaphore_adjust (aTHX_ av, 0); |
3056 | coro_semaphore_adjust (aTHX_ av, 0); |
2526 | |
3057 | |
2527 | frame->prepare = prepare_nop; |
3058 | frame->prepare = prepare_nop; |
… | |
… | |
2551 | AvARRAY (av)[0] = AvARRAY (av)[1]; |
3082 | AvARRAY (av)[0] = AvARRAY (av)[1]; |
2552 | AvARRAY (av)[1] = cb; |
3083 | AvARRAY (av)[1] = cb; |
2553 | |
3084 | |
2554 | cb = av_shift (av); |
3085 | cb = av_shift (av); |
2555 | |
3086 | |
|
|
3087 | if (SvTYPE (cb) == SVt_PVCV) |
|
|
3088 | { |
|
|
3089 | dSP; |
|
|
3090 | PUSHMARK (SP); |
|
|
3091 | XPUSHs (sv_2mortal (newRV_inc ((SV *)av))); |
|
|
3092 | PUTBACK; |
|
|
3093 | call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR); |
|
|
3094 | } |
|
|
3095 | else |
|
|
3096 | { |
2556 | api_ready (aTHX_ cb); |
3097 | api_ready (aTHX_ cb); |
2557 | sv_setiv (cb, 0); /* signal waiter */ |
3098 | sv_setiv (cb, 0); /* signal waiter */ |
|
|
3099 | } |
|
|
3100 | |
2558 | SvREFCNT_dec (cb); |
3101 | SvREFCNT_dec (cb); |
2559 | |
3102 | |
2560 | --count; |
3103 | --count; |
2561 | } |
3104 | } |
2562 | } |
3105 | } |
… | |
… | |
2571 | static void |
3114 | static void |
2572 | slf_init_signal_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
3115 | slf_init_signal_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) |
2573 | { |
3116 | { |
2574 | AV *av = (AV *)SvRV (arg [0]); |
3117 | AV *av = (AV *)SvRV (arg [0]); |
2575 | |
3118 | |
|
|
3119 | if (items >= 2) |
|
|
3120 | { |
|
|
3121 | SV *cb_cv = s_get_cv_croak (arg [1]); |
|
|
3122 | av_push (av, SvREFCNT_inc_NN (cb_cv)); |
|
|
3123 | |
2576 | if (SvIVX (AvARRAY (av)[0])) |
3124 | if (SvIVX (AvARRAY (av)[0])) |
|
|
3125 | coro_signal_wake (aTHX_ av, 1); /* must be the only waiter */ |
|
|
3126 | |
|
|
3127 | frame->prepare = prepare_nop; |
|
|
3128 | frame->check = slf_check_nop; |
|
|
3129 | } |
|
|
3130 | else if (SvIVX (AvARRAY (av)[0])) |
2577 | { |
3131 | { |
2578 | SvIVX (AvARRAY (av)[0]) = 0; |
3132 | SvIVX (AvARRAY (av)[0]) = 0; |
2579 | frame->prepare = prepare_nop; |
3133 | frame->prepare = prepare_nop; |
2580 | frame->check = slf_check_nop; |
3134 | frame->check = slf_check_nop; |
2581 | } |
3135 | } |
2582 | else |
3136 | else |
2583 | { |
3137 | { |
2584 | SV *waiter = newRV_inc (SvRV (coro_current)); /* owned by signal av */ |
3138 | SV *waiter = newSVsv (coro_current); /* owned by signal av */ |
2585 | |
3139 | |
2586 | av_push (av, waiter); |
3140 | av_push (av, waiter); |
2587 | |
3141 | |
2588 | frame->data = (void *)sv_2mortal (SvREFCNT_inc_NN (waiter)); /* owned by process */ |
3142 | frame->data = (void *)sv_2mortal (SvREFCNT_inc_NN (waiter)); /* owned by process */ |
2589 | frame->prepare = prepare_schedule; |
3143 | frame->prepare = prepare_schedule; |
… | |
… | |
2607 | |
3161 | |
2608 | static void |
3162 | static void |
2609 | coro_aio_callback (pTHX_ CV *cv) |
3163 | coro_aio_callback (pTHX_ CV *cv) |
2610 | { |
3164 | { |
2611 | dXSARGS; |
3165 | dXSARGS; |
2612 | AV *state = (AV *)GENSUB_ARG; |
3166 | AV *state = (AV *)S_GENSUB_ARG; |
2613 | SV *coro = av_pop (state); |
3167 | SV *coro = av_pop (state); |
2614 | SV *data_sv = newSV (sizeof (struct io_state)); |
3168 | SV *data_sv = newSV (sizeof (struct io_state)); |
2615 | |
3169 | |
2616 | av_extend (state, items - 1); |
3170 | av_extend (state, items - 1); |
2617 | |
3171 | |
… | |
… | |
2653 | /* it quickly returns */ |
3207 | /* it quickly returns */ |
2654 | if (CORO_THROW) |
3208 | if (CORO_THROW) |
2655 | return 0; |
3209 | return 0; |
2656 | |
3210 | |
2657 | /* one element that is an RV? repeat! */ |
3211 | /* one element that is an RV? repeat! */ |
2658 | if (AvFILLp (state) == 0 && SvROK (AvARRAY (state)[0])) |
3212 | if (AvFILLp (state) == 0 && SvTYPE (AvARRAY (state)[0]) != SVt_PV) |
2659 | return 1; |
3213 | return 1; |
2660 | |
3214 | |
2661 | /* restore status */ |
3215 | /* restore status */ |
2662 | { |
3216 | { |
2663 | SV *data_sv = av_pop (state); |
3217 | SV *data_sv = av_pop (state); |
… | |
… | |
2702 | dSP; |
3256 | dSP; |
2703 | |
3257 | |
2704 | static SV *prio_cv; |
3258 | static SV *prio_cv; |
2705 | static SV *prio_sv; |
3259 | static SV *prio_sv; |
2706 | |
3260 | |
2707 | if (expect_false (!prio_cv)) |
3261 | if (ecb_expect_false (!prio_cv)) |
2708 | { |
3262 | { |
2709 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
3263 | prio_cv = (SV *)get_cv ("IO::AIO::aioreq_pri", 0); |
2710 | prio_sv = newSViv (0); |
3264 | prio_sv = newSViv (0); |
2711 | } |
3265 | } |
2712 | |
3266 | |
… | |
… | |
2731 | |
3285 | |
2732 | for (i = 0; i < items; ++i) |
3286 | for (i = 0; i < items; ++i) |
2733 | PUSHs (arg [i]); |
3287 | PUSHs (arg [i]); |
2734 | |
3288 | |
2735 | /* now push the callback closure */ |
3289 | /* now push the callback closure */ |
2736 | PUSHs (sv_2mortal (gensub (aTHX_ coro_aio_callback, (void *)SvREFCNT_inc_NN ((SV *)state)))); |
3290 | PUSHs (sv_2mortal (s_gensub (aTHX_ coro_aio_callback, (void *)SvREFCNT_inc_NN ((SV *)state)))); |
2737 | |
3291 | |
2738 | /* now call the AIO function - we assume our request is uncancelable */ |
3292 | /* now call the AIO function - we assume our request is uncancelable */ |
2739 | PUTBACK; |
3293 | PUTBACK; |
2740 | call_sv ((SV *)req, G_VOID | G_DISCARD); |
3294 | call_sv ((SV *)req, G_VOID | G_DISCARD); |
2741 | } |
3295 | } |
2742 | |
3296 | |
2743 | /* now that the requets is going, we loop toll we have a result */ |
3297 | /* now that the request is going, we loop till we have a result */ |
2744 | frame->data = (void *)state; |
3298 | frame->data = (void *)state; |
2745 | frame->prepare = prepare_schedule; |
3299 | frame->prepare = prepare_schedule; |
2746 | frame->check = slf_check_aio_req; |
3300 | frame->check = slf_check_aio_req; |
2747 | } |
3301 | } |
2748 | |
3302 | |
… | |
… | |
2760 | |
3314 | |
2761 | #if CORO_CLONE |
3315 | #if CORO_CLONE |
2762 | # include "clone.c" |
3316 | # include "clone.c" |
2763 | #endif |
3317 | #endif |
2764 | |
3318 | |
|
|
3319 | /*****************************************************************************/ |
|
|
3320 | |
|
|
3321 | static SV * |
|
|
3322 | coro_new (pTHX_ HV *stash, SV **argv, int argc, int is_coro) |
|
|
3323 | { |
|
|
3324 | SV *coro_sv; |
|
|
3325 | struct coro *coro; |
|
|
3326 | MAGIC *mg; |
|
|
3327 | HV *hv; |
|
|
3328 | SV *cb; |
|
|
3329 | int i; |
|
|
3330 | |
|
|
3331 | if (argc > 0) |
|
|
3332 | { |
|
|
3333 | cb = s_get_cv_croak (argv [0]); |
|
|
3334 | |
|
|
3335 | if (!is_coro) |
|
|
3336 | { |
|
|
3337 | if (CvISXSUB (cb)) |
|
|
3338 | croak ("Coro::State doesn't support XS functions as coroutine start, caught"); |
|
|
3339 | |
|
|
3340 | if (!CvROOT (cb)) |
|
|
3341 | croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught"); |
|
|
3342 | } |
|
|
3343 | } |
|
|
3344 | |
|
|
3345 | Newz (0, coro, 1, struct coro); |
|
|
3346 | coro->args = newAV (); |
|
|
3347 | coro->flags = CF_NEW; |
|
|
3348 | |
|
|
3349 | if (coro_first) coro_first->prev = coro; |
|
|
3350 | coro->next = coro_first; |
|
|
3351 | coro_first = coro; |
|
|
3352 | |
|
|
3353 | coro->hv = hv = newHV (); |
|
|
3354 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
|
|
3355 | mg->mg_flags |= MGf_DUP; |
|
|
3356 | coro_sv = sv_bless (newRV_noinc ((SV *)hv), stash); |
|
|
3357 | |
|
|
3358 | if (argc > 0) |
|
|
3359 | { |
|
|
3360 | av_extend (coro->args, argc + is_coro - 1); |
|
|
3361 | |
|
|
3362 | if (is_coro) |
|
|
3363 | { |
|
|
3364 | av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb)); |
|
|
3365 | cb = (SV *)cv_coro_run; |
|
|
3366 | } |
|
|
3367 | |
|
|
3368 | coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb); |
|
|
3369 | |
|
|
3370 | for (i = 1; i < argc; i++) |
|
|
3371 | av_push (coro->args, newSVsv (argv [i])); |
|
|
3372 | } |
|
|
3373 | |
|
|
3374 | return coro_sv; |
|
|
3375 | } |
|
|
3376 | |
|
|
3377 | #ifndef __cplusplus |
|
|
3378 | ecb_cold XS(boot_Coro__State); |
|
|
3379 | #endif |
|
|
3380 | |
|
|
3381 | #if CORO_JIT |
|
|
3382 | |
|
|
3383 | static void ecb_noinline ecb_cold |
|
|
3384 | pushav_4uv (pTHX_ UV a, UV b, UV c, UV d) |
|
|
3385 | { |
|
|
3386 | dSP; |
|
|
3387 | AV *av = newAV (); |
|
|
3388 | |
|
|
3389 | av_store (av, 3, newSVuv (d)); |
|
|
3390 | av_store (av, 2, newSVuv (c)); |
|
|
3391 | av_store (av, 1, newSVuv (b)); |
|
|
3392 | av_store (av, 0, newSVuv (a)); |
|
|
3393 | |
|
|
3394 | XPUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
3395 | |
|
|
3396 | PUTBACK; |
|
|
3397 | } |
|
|
3398 | |
|
|
3399 | static void ecb_noinline ecb_cold |
|
|
3400 | jit_init (pTHX) |
|
|
3401 | { |
|
|
3402 | dSP; |
|
|
3403 | SV *load, *save; |
|
|
3404 | char *map_base; |
|
|
3405 | char *load_ptr, *save_ptr; |
|
|
3406 | STRLEN load_len, save_len, map_len; |
|
|
3407 | int count; |
|
|
3408 | |
|
|
3409 | eval_pv ("require 'Coro/jit-" CORO_JIT_TYPE ".pl'", 1); |
|
|
3410 | |
|
|
3411 | PUSHMARK (SP); |
|
|
3412 | #define VARx(name,expr,type) pushav_4uv (aTHX_ (UV)&(expr), sizeof (expr), offsetof (perl_slots, name), sizeof (type)); |
|
|
3413 | #include "state.h" |
|
|
3414 | count = call_pv ("Coro::State::_jit", G_ARRAY); |
|
|
3415 | SPAGAIN; |
|
|
3416 | |
|
|
3417 | save = POPs; save_ptr = SvPVbyte (save, save_len); |
|
|
3418 | load = POPs; load_ptr = SvPVbyte (load, load_len); |
|
|
3419 | |
|
|
3420 | map_len = load_len + save_len + 16; |
|
|
3421 | |
|
|
3422 | map_base = mmap (0, map_len, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); |
|
|
3423 | |
|
|
3424 | assert (("Coro: unable to mmap jit code page, cannot continue.", map_base != (char *)MAP_FAILED)); |
|
|
3425 | |
|
|
3426 | load_perl_slots = (load_save_perl_slots_type)map_base; |
|
|
3427 | memcpy (map_base, load_ptr, load_len); |
|
|
3428 | |
|
|
3429 | map_base += (load_len + 15) & ~15; |
|
|
3430 | |
|
|
3431 | save_perl_slots = (load_save_perl_slots_type)map_base; |
|
|
3432 | memcpy (map_base, save_ptr, save_len); |
|
|
3433 | |
|
|
3434 | /* we are good citizens and try to make the page read-only, so the evil evil */ |
|
|
3435 | /* hackers might have it a bit more difficult */ |
|
|
3436 | mprotect (map_base, map_len, PROT_READ | PROT_EXEC); |
|
|
3437 | |
|
|
3438 | PUTBACK; |
|
|
3439 | eval_pv ("undef &Coro::State::_jit", 1); |
|
|
3440 | } |
|
|
3441 | |
|
|
3442 | #endif |
|
|
3443 | |
2765 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
3444 | MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ |
2766 | |
3445 | |
2767 | PROTOTYPES: DISABLE |
3446 | PROTOTYPES: DISABLE |
2768 | |
3447 | |
2769 | BOOT: |
3448 | BOOT: |
2770 | { |
3449 | { |
|
|
3450 | #define VARx(name,expr,type) if (sizeof (type) < sizeof (expr)) croak ("FATAL: Coro thread context slot '" # name "' too small for this version of perl"); |
|
|
3451 | #include "state.h" |
2771 | #ifdef USE_ITHREADS |
3452 | #ifdef USE_ITHREADS |
2772 | # if CORO_PTHREAD |
3453 | # if CORO_PTHREAD |
2773 | coro_thx = PERL_GET_CONTEXT; |
3454 | coro_thx = PERL_GET_CONTEXT; |
2774 | # endif |
3455 | # endif |
2775 | #endif |
3456 | #endif |
2776 | BOOT_PAGESIZE; |
3457 | /* perl defines these to check for existance first, but why it doesn't */ |
|
|
3458 | /* just create them one at init time is not clear to me, except for */ |
|
|
3459 | /* programs trying to delete them, but... */ |
|
|
3460 | /* anyway, we declare this as invalid and make sure they are initialised here */ |
|
|
3461 | DEFSV; |
|
|
3462 | ERRSV; |
2777 | |
3463 | |
2778 | cctx_current = cctx_new_empty (); |
3464 | cctx_current = cctx_new_empty (); |
2779 | |
3465 | |
2780 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
3466 | irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); |
2781 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3467 | stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
… | |
… | |
2821 | coroapi.prepare_nop = prepare_nop; |
3507 | coroapi.prepare_nop = prepare_nop; |
2822 | coroapi.prepare_schedule = prepare_schedule; |
3508 | coroapi.prepare_schedule = prepare_schedule; |
2823 | coroapi.prepare_cede = prepare_cede; |
3509 | coroapi.prepare_cede = prepare_cede; |
2824 | coroapi.prepare_cede_notself = prepare_cede_notself; |
3510 | coroapi.prepare_cede_notself = prepare_cede_notself; |
2825 | |
3511 | |
2826 | { |
3512 | time_init (aTHX); |
2827 | SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); |
|
|
2828 | |
3513 | |
2829 | if (!svp) croak ("Time::HiRes is required"); |
|
|
2830 | if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer"); |
|
|
2831 | |
|
|
2832 | nvtime = INT2PTR (double (*)(), SvIV (*svp)); |
|
|
2833 | } |
|
|
2834 | |
|
|
2835 | assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); |
3514 | assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL)); |
|
|
3515 | #if CORO_JIT |
|
|
3516 | PUTBACK; |
|
|
3517 | jit_init (aTHX); |
|
|
3518 | SPAGAIN; |
|
|
3519 | #endif |
2836 | } |
3520 | } |
2837 | |
3521 | |
2838 | SV * |
3522 | SV * |
2839 | new (char *klass, ...) |
3523 | new (SV *klass, ...) |
2840 | ALIAS: |
3524 | ALIAS: |
2841 | Coro::new = 1 |
3525 | Coro::new = 1 |
2842 | CODE: |
3526 | CODE: |
2843 | { |
3527 | RETVAL = coro_new (aTHX_ ix ? coro_stash : coro_state_stash, &ST (1), items - 1, ix); |
2844 | struct coro *coro; |
3528 | OUTPUT: |
2845 | MAGIC *mg; |
|
|
2846 | HV *hv; |
|
|
2847 | CV *cb; |
|
|
2848 | int i; |
|
|
2849 | |
|
|
2850 | if (items > 1) |
|
|
2851 | { |
|
|
2852 | cb = coro_sv_2cv (aTHX_ ST (1)); |
|
|
2853 | |
|
|
2854 | if (!ix) |
|
|
2855 | { |
|
|
2856 | if (CvISXSUB (cb)) |
|
|
2857 | croak ("Coro::State doesn't support XS functions as coroutine start, caught"); |
|
|
2858 | |
|
|
2859 | if (!CvROOT (cb)) |
|
|
2860 | croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught"); |
|
|
2861 | } |
|
|
2862 | } |
|
|
2863 | |
|
|
2864 | Newz (0, coro, 1, struct coro); |
|
|
2865 | coro->args = newAV (); |
|
|
2866 | coro->flags = CF_NEW; |
|
|
2867 | |
|
|
2868 | if (coro_first) coro_first->prev = coro; |
|
|
2869 | coro->next = coro_first; |
|
|
2870 | coro_first = coro; |
|
|
2871 | |
|
|
2872 | coro->hv = hv = newHV (); |
|
|
2873 | mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0); |
|
|
2874 | mg->mg_flags |= MGf_DUP; |
|
|
2875 | RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); |
|
|
2876 | |
|
|
2877 | if (items > 1) |
|
|
2878 | { |
|
|
2879 | av_extend (coro->args, items - 1 + ix - 1); |
|
|
2880 | |
|
|
2881 | if (ix) |
|
|
2882 | { |
|
|
2883 | av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb)); |
|
|
2884 | cb = cv_coro_run; |
|
|
2885 | } |
|
|
2886 | |
|
|
2887 | coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb); |
|
|
2888 | |
|
|
2889 | for (i = 2; i < items; i++) |
|
|
2890 | av_push (coro->args, newSVsv (ST (i))); |
|
|
2891 | } |
|
|
2892 | } |
|
|
2893 | OUTPUT: |
|
|
2894 | RETVAL |
3529 | RETVAL |
2895 | |
3530 | |
2896 | void |
3531 | void |
2897 | transfer (...) |
3532 | transfer (...) |
2898 | PROTOTYPE: $$ |
3533 | PROTOTYPE: $$ |
2899 | CODE: |
3534 | CODE: |
2900 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
3535 | CORO_EXECUTE_SLF_XS (slf_init_transfer); |
2901 | |
3536 | |
2902 | bool |
|
|
2903 | _destroy (SV *coro_sv) |
|
|
2904 | CODE: |
|
|
2905 | RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); |
|
|
2906 | OUTPUT: |
|
|
2907 | RETVAL |
|
|
2908 | |
|
|
2909 | void |
|
|
2910 | _exit (int code) |
|
|
2911 | PROTOTYPE: $ |
|
|
2912 | CODE: |
|
|
2913 | _exit (code); |
|
|
2914 | |
|
|
2915 | SV * |
3537 | SV * |
2916 | clone (Coro::State coro) |
3538 | clone (Coro::State coro) |
2917 | CODE: |
3539 | CODE: |
2918 | { |
3540 | { |
2919 | #if CORO_CLONE |
3541 | #if CORO_CLONE |
2920 | struct coro *ncoro = coro_clone (coro); |
3542 | struct coro *ncoro = coro_clone (aTHX_ coro); |
2921 | MAGIC *mg; |
3543 | MAGIC *mg; |
2922 | /* TODO: too much duplication */ |
3544 | /* TODO: too much duplication */ |
2923 | ncoro->hv = newHV (); |
3545 | ncoro->hv = newHV (); |
2924 | mg = sv_magicext ((SV *)ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)ncoro, 0); |
3546 | mg = sv_magicext ((SV *)ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)ncoro, 0); |
2925 | mg->mg_flags |= MGf_DUP; |
3547 | mg->mg_flags |= MGf_DUP; |
… | |
… | |
2973 | void |
3595 | void |
2974 | list () |
3596 | list () |
2975 | PROTOTYPE: |
3597 | PROTOTYPE: |
2976 | PPCODE: |
3598 | PPCODE: |
2977 | { |
3599 | { |
2978 | struct coro *coro; |
3600 | struct coro *coro; |
2979 | for (coro = coro_first; coro; coro = coro->next) |
3601 | for (coro = coro_first; coro; coro = coro->next) |
2980 | if (coro->hv) |
3602 | if (coro->hv) |
2981 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
3603 | XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); |
2982 | } |
3604 | } |
2983 | |
3605 | |
… | |
… | |
2987 | eval = 1 |
3609 | eval = 1 |
2988 | CODE: |
3610 | CODE: |
2989 | { |
3611 | { |
2990 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
3612 | if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) |
2991 | { |
3613 | { |
2992 | struct coro temp; |
3614 | struct coro *current = SvSTATE_current; |
|
|
3615 | struct CoroSLF slf_save; |
2993 | |
3616 | |
2994 | if (!(coro->flags & CF_RUNNING)) |
3617 | if (current != coro) |
2995 | { |
3618 | { |
2996 | PUTBACK; |
3619 | PUTBACK; |
2997 | save_perl (aTHX_ &temp); |
3620 | save_perl (aTHX_ current); |
2998 | load_perl (aTHX_ coro); |
3621 | load_perl (aTHX_ coro); |
|
|
3622 | /* the coro is most likely in an active SLF call. |
|
|
3623 | * while not strictly required (the code we execute is |
|
|
3624 | * not allowed to call any SLF functions), it's cleaner |
|
|
3625 | * to reinitialise the slf_frame and restore it later. |
|
|
3626 | * This might one day allow us to actually do SLF calls |
|
|
3627 | * from code executed here. |
|
|
3628 | */ |
|
|
3629 | slf_save = slf_frame; |
|
|
3630 | slf_frame.prepare = 0; |
|
|
3631 | SPAGAIN; |
2999 | } |
3632 | } |
3000 | |
3633 | |
3001 | { |
|
|
3002 | dSP; |
|
|
3003 | ENTER; |
|
|
3004 | SAVETMPS; |
|
|
3005 | PUTBACK; |
|
|
3006 | PUSHSTACK; |
3634 | PUSHSTACK; |
|
|
3635 | |
3007 | PUSHMARK (SP); |
3636 | PUSHMARK (SP); |
|
|
3637 | PUTBACK; |
3008 | |
3638 | |
3009 | if (ix) |
3639 | if (ix) |
3010 | eval_sv (coderef, 0); |
3640 | eval_sv (coderef, 0); |
3011 | else |
3641 | else |
3012 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
3642 | call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); |
3013 | |
3643 | |
3014 | POPSTACK; |
3644 | POPSTACK; |
3015 | SPAGAIN; |
3645 | SPAGAIN; |
3016 | FREETMPS; |
|
|
3017 | LEAVE; |
|
|
3018 | PUTBACK; |
|
|
3019 | } |
|
|
3020 | |
3646 | |
3021 | if (!(coro->flags & CF_RUNNING)) |
3647 | if (current != coro) |
3022 | { |
3648 | { |
|
|
3649 | PUTBACK; |
|
|
3650 | slf_frame = slf_save; |
3023 | save_perl (aTHX_ coro); |
3651 | save_perl (aTHX_ coro); |
3024 | load_perl (aTHX_ &temp); |
3652 | load_perl (aTHX_ current); |
3025 | SPAGAIN; |
3653 | SPAGAIN; |
3026 | } |
3654 | } |
3027 | } |
3655 | } |
3028 | } |
3656 | } |
3029 | |
3657 | |
… | |
… | |
3032 | PROTOTYPE: $ |
3660 | PROTOTYPE: $ |
3033 | ALIAS: |
3661 | ALIAS: |
3034 | is_ready = CF_READY |
3662 | is_ready = CF_READY |
3035 | is_running = CF_RUNNING |
3663 | is_running = CF_RUNNING |
3036 | is_new = CF_NEW |
3664 | is_new = CF_NEW |
3037 | is_destroyed = CF_DESTROYED |
3665 | is_destroyed = CF_ZOMBIE |
|
|
3666 | is_zombie = CF_ZOMBIE |
|
|
3667 | is_suspended = CF_SUSPENDED |
3038 | CODE: |
3668 | CODE: |
3039 | RETVAL = boolSV (coro->flags & ix); |
3669 | RETVAL = boolSV (coro->flags & ix); |
3040 | OUTPUT: |
3670 | OUTPUT: |
3041 | RETVAL |
3671 | RETVAL |
3042 | |
3672 | |
3043 | void |
3673 | void |
3044 | throw (Coro::State self, SV *throw = &PL_sv_undef) |
3674 | throw (SV *self, SV *exception = &PL_sv_undef) |
3045 | PROTOTYPE: $;$ |
3675 | PROTOTYPE: $;$ |
3046 | CODE: |
3676 | CODE: |
3047 | { |
3677 | { |
|
|
3678 | struct coro *coro = SvSTATE (self); |
3048 | struct coro *current = SvSTATE_current; |
3679 | struct coro *current = SvSTATE_current; |
3049 | SV **throwp = self == current ? &CORO_THROW : &self->except; |
3680 | SV **exceptionp = coro == current ? &CORO_THROW : &coro->except; |
3050 | SvREFCNT_dec (*throwp); |
3681 | SvREFCNT_dec (*exceptionp); |
3051 | *throwp = SvOK (throw) ? newSVsv (throw) : 0; |
3682 | SvGETMAGIC (exception); |
|
|
3683 | *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; |
|
|
3684 | |
|
|
3685 | api_ready (aTHX_ self); |
3052 | } |
3686 | } |
3053 | |
3687 | |
3054 | void |
3688 | void |
3055 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3689 | api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) |
3056 | PROTOTYPE: $;$ |
3690 | PROTOTYPE: $;$ |
… | |
… | |
3107 | SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; |
3741 | SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; |
3108 | |
3742 | |
3109 | SV *tmp = *src; *src = *dst; *dst = tmp; |
3743 | SV *tmp = *src; *src = *dst; *dst = tmp; |
3110 | } |
3744 | } |
3111 | |
3745 | |
|
|
3746 | void |
|
|
3747 | cancel (Coro::State self) |
|
|
3748 | CODE: |
|
|
3749 | coro_state_destroy (aTHX_ self); |
|
|
3750 | |
|
|
3751 | SV * |
|
|
3752 | enable_times (int enabled = enable_times) |
|
|
3753 | CODE: |
|
|
3754 | { |
|
|
3755 | RETVAL = boolSV (enable_times); |
|
|
3756 | |
|
|
3757 | if (enabled != enable_times) |
|
|
3758 | { |
|
|
3759 | enable_times = enabled; |
|
|
3760 | |
|
|
3761 | coro_times_update (); |
|
|
3762 | (enabled ? coro_times_sub : coro_times_add)(SvSTATE (coro_current)); |
|
|
3763 | } |
|
|
3764 | } |
|
|
3765 | OUTPUT: |
|
|
3766 | RETVAL |
|
|
3767 | |
|
|
3768 | void |
|
|
3769 | times (Coro::State self) |
|
|
3770 | PPCODE: |
|
|
3771 | { |
|
|
3772 | struct coro *current = SvSTATE (coro_current); |
|
|
3773 | |
|
|
3774 | if (ecb_expect_false (current == self)) |
|
|
3775 | { |
|
|
3776 | coro_times_update (); |
|
|
3777 | coro_times_add (SvSTATE (coro_current)); |
|
|
3778 | } |
|
|
3779 | |
|
|
3780 | EXTEND (SP, 2); |
|
|
3781 | PUSHs (sv_2mortal (newSVnv (self->t_real [0] + self->t_real [1] * 1e-9))); |
|
|
3782 | PUSHs (sv_2mortal (newSVnv (self->t_cpu [0] + self->t_cpu [1] * 1e-9))); |
|
|
3783 | |
|
|
3784 | if (ecb_expect_false (current == self)) |
|
|
3785 | coro_times_sub (SvSTATE (coro_current)); |
|
|
3786 | } |
|
|
3787 | |
|
|
3788 | void |
|
|
3789 | swap_sv (Coro::State coro, SV *sv, SV *swapsv) |
|
|
3790 | CODE: |
|
|
3791 | { |
|
|
3792 | struct coro *current = SvSTATE_current; |
|
|
3793 | |
|
|
3794 | if (current == coro) |
|
|
3795 | SWAP_SVS (current); |
|
|
3796 | |
|
|
3797 | if (!coro->swap_sv) |
|
|
3798 | coro->swap_sv = newAV (); |
|
|
3799 | |
|
|
3800 | av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (sv ))); |
|
|
3801 | av_push (coro->swap_sv, SvREFCNT_inc_NN (SvRV (swapsv))); |
|
|
3802 | |
|
|
3803 | if (current == coro) |
|
|
3804 | SWAP_SVS (current); |
|
|
3805 | } |
|
|
3806 | |
3112 | |
3807 | |
3113 | MODULE = Coro::State PACKAGE = Coro |
3808 | MODULE = Coro::State PACKAGE = Coro |
3114 | |
3809 | |
3115 | BOOT: |
3810 | BOOT: |
3116 | { |
3811 | { |
3117 | int i; |
|
|
3118 | |
|
|
3119 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3812 | sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); |
3120 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3813 | sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); |
3121 | cv_coro_run = get_cv ( "Coro::_terminate", GV_ADD); |
3814 | cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); |
3122 | cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD); |
|
|
3123 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
3815 | coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); |
3124 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
3816 | av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); |
3125 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
3817 | av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); |
3126 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
3818 | sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); |
3127 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
3819 | sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE); |
3128 | |
3820 | |
3129 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3821 | sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); |
3130 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3822 | sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); |
3131 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3823 | cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); |
3132 | cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new); |
3824 | CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ |
3133 | |
3825 | |
3134 | coro_stash = gv_stashpv ("Coro", TRUE); |
3826 | coro_stash = gv_stashpv ("Coro", TRUE); |
3135 | |
3827 | |
3136 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); |
3828 | newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); |
3137 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); |
3829 | newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); |
3138 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); |
3830 | newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); |
3139 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); |
3831 | newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (CORO_PRIO_LOW)); |
3140 | newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE)); |
3832 | newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (CORO_PRIO_IDLE)); |
3141 | newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN)); |
3833 | newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (CORO_PRIO_MIN)); |
3142 | |
|
|
3143 | for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) |
|
|
3144 | coro_ready[i] = newAV (); |
|
|
3145 | |
3834 | |
3146 | { |
3835 | { |
3147 | SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE); |
3836 | SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE); |
3148 | |
3837 | |
3149 | coroapi.schedule = api_schedule; |
3838 | coroapi.schedule = api_schedule; |
… | |
… | |
3159 | sv_setiv (sv, (IV)&coroapi); |
3848 | sv_setiv (sv, (IV)&coroapi); |
3160 | SvREADONLY_on (sv); |
3849 | SvREADONLY_on (sv); |
3161 | } |
3850 | } |
3162 | } |
3851 | } |
3163 | |
3852 | |
|
|
3853 | SV * |
|
|
3854 | async (...) |
|
|
3855 | PROTOTYPE: &@ |
|
|
3856 | CODE: |
|
|
3857 | RETVAL = coro_new (aTHX_ coro_stash, &ST (0), items, 1); |
|
|
3858 | api_ready (aTHX_ RETVAL); |
|
|
3859 | OUTPUT: |
|
|
3860 | RETVAL |
|
|
3861 | |
|
|
3862 | void |
|
|
3863 | _destroy (Coro::State coro) |
|
|
3864 | CODE: |
|
|
3865 | /* used by the manager thread */ |
|
|
3866 | coro_state_destroy (aTHX_ coro); |
|
|
3867 | |
|
|
3868 | void |
|
|
3869 | on_destroy (Coro::State coro, SV *cb) |
|
|
3870 | CODE: |
|
|
3871 | coro_push_on_destroy (aTHX_ coro, newSVsv (cb)); |
|
|
3872 | |
|
|
3873 | void |
|
|
3874 | join (...) |
|
|
3875 | CODE: |
|
|
3876 | CORO_EXECUTE_SLF_XS (slf_init_join); |
|
|
3877 | |
3164 | void |
3878 | void |
3165 | terminate (...) |
3879 | terminate (...) |
3166 | CODE: |
3880 | CODE: |
3167 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
3881 | CORO_EXECUTE_SLF_XS (slf_init_terminate); |
3168 | |
3882 | |
3169 | void |
3883 | void |
|
|
3884 | cancel (...) |
|
|
3885 | CODE: |
|
|
3886 | CORO_EXECUTE_SLF_XS (slf_init_cancel); |
|
|
3887 | |
|
|
3888 | int |
|
|
3889 | safe_cancel (Coro::State self, ...) |
|
|
3890 | C_ARGS: aTHX_ self, &ST (1), items - 1 |
|
|
3891 | |
|
|
3892 | void |
3170 | schedule (...) |
3893 | schedule (...) |
3171 | CODE: |
3894 | CODE: |
3172 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
3895 | CORO_EXECUTE_SLF_XS (slf_init_schedule); |
3173 | |
3896 | |
3174 | void |
3897 | void |
… | |
… | |
3188 | |
3911 | |
3189 | void |
3912 | void |
3190 | cede_notself (...) |
3913 | cede_notself (...) |
3191 | CODE: |
3914 | CODE: |
3192 | CORO_EXECUTE_SLF_XS (slf_init_cede_notself); |
3915 | CORO_EXECUTE_SLF_XS (slf_init_cede_notself); |
3193 | |
|
|
3194 | void |
|
|
3195 | _cancel (Coro::State self) |
|
|
3196 | CODE: |
|
|
3197 | coro_state_destroy (aTHX_ self); |
|
|
3198 | coro_call_on_destroy (aTHX_ self); |
|
|
3199 | |
3916 | |
3200 | void |
3917 | void |
3201 | _set_current (SV *current) |
3918 | _set_current (SV *current) |
3202 | PROTOTYPE: $ |
3919 | PROTOTYPE: $ |
3203 | CODE: |
3920 | CODE: |
… | |
… | |
3207 | void |
3924 | void |
3208 | _set_readyhook (SV *hook) |
3925 | _set_readyhook (SV *hook) |
3209 | PROTOTYPE: $ |
3926 | PROTOTYPE: $ |
3210 | CODE: |
3927 | CODE: |
3211 | SvREFCNT_dec (coro_readyhook); |
3928 | SvREFCNT_dec (coro_readyhook); |
|
|
3929 | SvGETMAGIC (hook); |
|
|
3930 | if (SvOK (hook)) |
|
|
3931 | { |
3212 | coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0; |
3932 | coro_readyhook = newSVsv (hook); |
|
|
3933 | CORO_READYHOOK = invoke_sv_ready_hook_helper; |
|
|
3934 | } |
|
|
3935 | else |
|
|
3936 | { |
|
|
3937 | coro_readyhook = 0; |
|
|
3938 | CORO_READYHOOK = 0; |
|
|
3939 | } |
3213 | |
3940 | |
3214 | int |
3941 | int |
3215 | prio (Coro::State coro, int newprio = 0) |
3942 | prio (Coro::State coro, int newprio = 0) |
3216 | PROTOTYPE: $;$ |
3943 | PROTOTYPE: $;$ |
3217 | ALIAS: |
3944 | ALIAS: |
… | |
… | |
3223 | if (items > 1) |
3950 | if (items > 1) |
3224 | { |
3951 | { |
3225 | if (ix) |
3952 | if (ix) |
3226 | newprio = coro->prio - newprio; |
3953 | newprio = coro->prio - newprio; |
3227 | |
3954 | |
3228 | if (newprio < PRIO_MIN) newprio = PRIO_MIN; |
3955 | if (newprio < CORO_PRIO_MIN) newprio = CORO_PRIO_MIN; |
3229 | if (newprio > PRIO_MAX) newprio = PRIO_MAX; |
3956 | if (newprio > CORO_PRIO_MAX) newprio = CORO_PRIO_MAX; |
3230 | |
3957 | |
3231 | coro->prio = newprio; |
3958 | coro->prio = newprio; |
3232 | } |
3959 | } |
3233 | } |
3960 | } |
3234 | OUTPUT: |
3961 | OUTPUT: |
… | |
… | |
3249 | RETVAL = coro_nready; |
3976 | RETVAL = coro_nready; |
3250 | OUTPUT: |
3977 | OUTPUT: |
3251 | RETVAL |
3978 | RETVAL |
3252 | |
3979 | |
3253 | void |
3980 | void |
|
|
3981 | suspend (Coro::State self) |
|
|
3982 | PROTOTYPE: $ |
|
|
3983 | CODE: |
|
|
3984 | self->flags |= CF_SUSPENDED; |
|
|
3985 | |
|
|
3986 | void |
|
|
3987 | resume (Coro::State self) |
|
|
3988 | PROTOTYPE: $ |
|
|
3989 | CODE: |
|
|
3990 | self->flags &= ~CF_SUSPENDED; |
|
|
3991 | |
|
|
3992 | void |
3254 | _pool_handler (...) |
3993 | _pool_handler (...) |
3255 | CODE: |
3994 | CODE: |
3256 | CORO_EXECUTE_SLF_XS (slf_init_pool_handler); |
3995 | CORO_EXECUTE_SLF_XS (slf_init_pool_handler); |
3257 | |
3996 | |
3258 | void |
3997 | void |
… | |
… | |
3269 | for (i = 1; i < items; ++i) |
4008 | for (i = 1; i < items; ++i) |
3270 | av_push (av, SvREFCNT_inc_NN (ST (i))); |
4009 | av_push (av, SvREFCNT_inc_NN (ST (i))); |
3271 | |
4010 | |
3272 | if ((SV *)hv == &PL_sv_undef) |
4011 | if ((SV *)hv == &PL_sv_undef) |
3273 | { |
4012 | { |
3274 | PUSHMARK (SP); |
4013 | SV *sv = coro_new (aTHX_ coro_stash, (SV **)&cv_pool_handler, 1, 1); |
3275 | EXTEND (SP, 2); |
|
|
3276 | PUSHs (sv_Coro); |
|
|
3277 | PUSHs ((SV *)cv_pool_handler); |
|
|
3278 | PUTBACK; |
|
|
3279 | call_sv ((SV *)cv_coro_state_new, G_SCALAR); |
|
|
3280 | SPAGAIN; |
|
|
3281 | |
|
|
3282 | hv = (HV *)SvREFCNT_inc_NN (SvRV (POPs)); |
4014 | hv = (HV *)SvREFCNT_inc_NN (SvRV (sv)); |
|
|
4015 | SvREFCNT_dec (sv); |
3283 | } |
4016 | } |
3284 | |
4017 | |
3285 | { |
4018 | { |
3286 | struct coro *coro = SvSTATE_hv (hv); |
4019 | struct coro *coro = SvSTATE_hv (hv); |
3287 | |
4020 | |
… | |
… | |
3311 | rouse_wait (...) |
4044 | rouse_wait (...) |
3312 | PROTOTYPE: ;$ |
4045 | PROTOTYPE: ;$ |
3313 | PPCODE: |
4046 | PPCODE: |
3314 | CORO_EXECUTE_SLF_XS (slf_init_rouse_wait); |
4047 | CORO_EXECUTE_SLF_XS (slf_init_rouse_wait); |
3315 | |
4048 | |
|
|
4049 | void |
|
|
4050 | on_enter (SV *block) |
|
|
4051 | ALIAS: |
|
|
4052 | on_leave = 1 |
|
|
4053 | PROTOTYPE: & |
|
|
4054 | CODE: |
|
|
4055 | { |
|
|
4056 | struct coro *coro = SvSTATE_current; |
|
|
4057 | AV **avp = ix ? &coro->on_leave : &coro->on_enter; |
|
|
4058 | |
|
|
4059 | block = s_get_cv_croak (block); |
|
|
4060 | |
|
|
4061 | if (!*avp) |
|
|
4062 | *avp = newAV (); |
|
|
4063 | |
|
|
4064 | av_push (*avp, SvREFCNT_inc (block)); |
|
|
4065 | |
|
|
4066 | if (!ix) |
|
|
4067 | on_enterleave_call (aTHX_ block); |
|
|
4068 | |
|
|
4069 | LEAVE; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */ |
|
|
4070 | SAVEDESTRUCTOR_X (ix ? coro_pop_on_leave : coro_pop_on_enter, (void *)coro); |
|
|
4071 | ENTER; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */ |
|
|
4072 | } |
|
|
4073 | |
3316 | |
4074 | |
3317 | MODULE = Coro::State PACKAGE = PerlIO::cede |
4075 | MODULE = Coro::State PACKAGE = PerlIO::cede |
3318 | |
4076 | |
3319 | BOOT: |
4077 | BOOT: |
3320 | PerlIO_define_layer (aTHX_ &PerlIO_cede); |
4078 | PerlIO_define_layer (aTHX_ &PerlIO_cede); |
… | |
… | |
3323 | MODULE = Coro::State PACKAGE = Coro::Semaphore |
4081 | MODULE = Coro::State PACKAGE = Coro::Semaphore |
3324 | |
4082 | |
3325 | SV * |
4083 | SV * |
3326 | new (SV *klass, SV *count = 0) |
4084 | new (SV *klass, SV *count = 0) |
3327 | CODE: |
4085 | CODE: |
|
|
4086 | { |
|
|
4087 | int semcnt = 1; |
|
|
4088 | |
|
|
4089 | if (count) |
|
|
4090 | { |
|
|
4091 | SvGETMAGIC (count); |
|
|
4092 | |
|
|
4093 | if (SvOK (count)) |
|
|
4094 | semcnt = SvIV (count); |
|
|
4095 | } |
|
|
4096 | |
3328 | RETVAL = sv_bless ( |
4097 | RETVAL = sv_bless ( |
3329 | coro_waitarray_new (aTHX_ count && SvOK (count) ? SvIV (count) : 1), |
4098 | coro_waitarray_new (aTHX_ semcnt), |
3330 | GvSTASH (CvGV (cv)) |
4099 | GvSTASH (CvGV (cv)) |
3331 | ); |
4100 | ); |
|
|
4101 | } |
3332 | OUTPUT: |
4102 | OUTPUT: |
3333 | RETVAL |
4103 | RETVAL |
3334 | |
4104 | |
3335 | # helper for Coro::Channel |
4105 | # helper for Coro::Channel and others |
3336 | SV * |
4106 | SV * |
3337 | _alloc (int count) |
4107 | _alloc (int count) |
3338 | CODE: |
4108 | CODE: |
3339 | RETVAL = coro_waitarray_new (aTHX_ count); |
4109 | RETVAL = coro_waitarray_new (aTHX_ count); |
3340 | OUTPUT: |
4110 | OUTPUT: |
… | |
… | |
3382 | XSRETURN_NO; |
4152 | XSRETURN_NO; |
3383 | } |
4153 | } |
3384 | |
4154 | |
3385 | void |
4155 | void |
3386 | waiters (SV *self) |
4156 | waiters (SV *self) |
3387 | PPCODE: |
4157 | PPCODE: |
3388 | { |
4158 | { |
3389 | AV *av = (AV *)SvRV (self); |
4159 | AV *av = (AV *)SvRV (self); |
3390 | int wcount = AvFILLp (av) + 1 - 1; |
4160 | int wcount = AvFILLp (av) + 1 - 1; |
3391 | |
4161 | |
3392 | if (GIMME_V == G_SCALAR) |
4162 | if (GIMME_V == G_SCALAR) |
… | |
… | |
3398 | for (i = 1; i <= wcount; ++i) |
4168 | for (i = 1; i <= wcount; ++i) |
3399 | PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i]))); |
4169 | PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i]))); |
3400 | } |
4170 | } |
3401 | } |
4171 | } |
3402 | |
4172 | |
|
|
4173 | MODULE = Coro::State PACKAGE = Coro::SemaphoreSet |
|
|
4174 | |
|
|
4175 | void |
|
|
4176 | _may_delete (SV *sem, int count, unsigned int extra_refs) |
|
|
4177 | PPCODE: |
|
|
4178 | { |
|
|
4179 | AV *av = (AV *)SvRV (sem); |
|
|
4180 | |
|
|
4181 | if (SvREFCNT ((SV *)av) == 1 + extra_refs |
|
|
4182 | && AvFILLp (av) == 0 /* no waiters, just count */ |
|
|
4183 | && SvIV (AvARRAY (av)[0]) == count) |
|
|
4184 | XSRETURN_YES; |
|
|
4185 | |
|
|
4186 | XSRETURN_NO; |
|
|
4187 | } |
|
|
4188 | |
3403 | MODULE = Coro::State PACKAGE = Coro::Signal |
4189 | MODULE = Coro::State PACKAGE = Coro::Signal |
3404 | |
4190 | |
3405 | SV * |
4191 | SV * |
3406 | new (SV *klass) |
4192 | new (SV *klass) |
3407 | CODE: |
4193 | CODE: |
… | |
… | |
3419 | |
4205 | |
3420 | void |
4206 | void |
3421 | broadcast (SV *self) |
4207 | broadcast (SV *self) |
3422 | CODE: |
4208 | CODE: |
3423 | { |
4209 | { |
3424 | AV *av = (AV *)SvRV (self); |
4210 | AV *av = (AV *)SvRV (self); |
3425 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
4211 | coro_signal_wake (aTHX_ av, AvFILLp (av)); |
3426 | } |
4212 | } |
3427 | |
4213 | |
3428 | void |
4214 | void |
3429 | send (SV *self) |
4215 | send (SV *self) |
… | |
… | |
3437 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
4223 | SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ |
3438 | } |
4224 | } |
3439 | |
4225 | |
3440 | IV |
4226 | IV |
3441 | awaited (SV *self) |
4227 | awaited (SV *self) |
3442 | CODE: |
4228 | CODE: |
3443 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
4229 | RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; |
3444 | OUTPUT: |
4230 | OUTPUT: |
3445 | RETVAL |
4231 | RETVAL |
3446 | |
4232 | |
3447 | |
4233 | |
… | |
… | |
3452 | |
4238 | |
3453 | void |
4239 | void |
3454 | _schedule (...) |
4240 | _schedule (...) |
3455 | CODE: |
4241 | CODE: |
3456 | { |
4242 | { |
3457 | static int incede; |
4243 | static int incede; |
3458 | |
4244 | |
3459 | api_cede_notself (aTHX); |
4245 | api_cede_notself (aTHX); |
3460 | |
4246 | |
3461 | ++incede; |
4247 | ++incede; |
3462 | while (coro_nready >= incede && api_cede (aTHX)) |
4248 | while (coro_nready >= incede && api_cede (aTHX)) |
… | |
… | |
3478 | |
4264 | |
3479 | void |
4265 | void |
3480 | _register (char *target, char *proto, SV *req) |
4266 | _register (char *target, char *proto, SV *req) |
3481 | CODE: |
4267 | CODE: |
3482 | { |
4268 | { |
3483 | CV *req_cv = coro_sv_2cv (aTHX_ req); |
4269 | SV *req_cv = s_get_cv_croak (req); |
3484 | /* newXSproto doesn't return the CV on 5.8 */ |
4270 | /* newXSproto doesn't return the CV on 5.8 */ |
3485 | CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__); |
4271 | CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__); |
3486 | sv_setpv ((SV *)slf_cv, proto); |
4272 | sv_setpv ((SV *)slf_cv, proto); |
3487 | sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0); |
4273 | sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0); |
3488 | } |
4274 | } |
3489 | |
4275 | |
|
|
4276 | MODULE = Coro::State PACKAGE = Coro::Select |
|
|
4277 | |
|
|
4278 | void |
|
|
4279 | patch_pp_sselect () |
|
|
4280 | CODE: |
|
|
4281 | if (!coro_old_pp_sselect) |
|
|
4282 | { |
|
|
4283 | coro_select_select = (SV *)get_cv ("Coro::Select::select", 0); |
|
|
4284 | coro_old_pp_sselect = PL_ppaddr [OP_SSELECT]; |
|
|
4285 | PL_ppaddr [OP_SSELECT] = coro_pp_sselect; |
|
|
4286 | } |
|
|
4287 | |
|
|
4288 | void |
|
|
4289 | unpatch_pp_sselect () |
|
|
4290 | CODE: |
|
|
4291 | if (coro_old_pp_sselect) |
|
|
4292 | { |
|
|
4293 | PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; |
|
|
4294 | coro_old_pp_sselect = 0; |
|
|
4295 | } |
|
|
4296 | |
|
|
4297 | MODULE = Coro::State PACKAGE = Coro::Util |
|
|
4298 | |
|
|
4299 | void |
|
|
4300 | _exit (int code) |
|
|
4301 | CODE: |
|
|
4302 | _exit (code); |
|
|
4303 | |
|
|
4304 | NV |
|
|
4305 | time () |
|
|
4306 | CODE: |
|
|
4307 | RETVAL = nvtime (aTHX); |
|
|
4308 | OUTPUT: |
|
|
4309 | RETVAL |
|
|
4310 | |
|
|
4311 | NV |
|
|
4312 | gettimeofday () |
|
|
4313 | PPCODE: |
|
|
4314 | { |
|
|
4315 | UV tv [2]; |
|
|
4316 | u2time (aTHX_ tv); |
|
|
4317 | EXTEND (SP, 2); |
|
|
4318 | PUSHs (sv_2mortal (newSVuv (tv [0]))); |
|
|
4319 | PUSHs (sv_2mortal (newSVuv (tv [1]))); |
|
|
4320 | } |
|
|
4321 | |