1 | #define PERL_NO_GET_CONTEXT |
1 | #define PERL_NO_GET_CONTEXT |
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2 | |
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3 | #include "libcoro/coro.c" |
2 | |
4 | |
3 | #include "EXTERN.h" |
5 | #include "EXTERN.h" |
4 | #include "perl.h" |
6 | #include "perl.h" |
5 | #include "XSUB.h" |
7 | #include "XSUB.h" |
6 | |
8 | |
7 | #include "patchlevel.h" |
9 | #include "patchlevel.h" |
8 | |
10 | |
9 | #if PATCHLEVEL < 6 |
11 | #if PERL_VERSION < 6 |
10 | # ifndef PL_ppaddr |
12 | # ifndef PL_ppaddr |
11 | # define PL_ppaddr ppaddr |
13 | # define PL_ppaddr ppaddr |
12 | # endif |
14 | # endif |
13 | # ifndef call_sv |
15 | # ifndef call_sv |
14 | # define call_sv perl_call_sv |
16 | # define call_sv perl_call_sv |
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… | |
25 | # ifndef IS_PADCONST |
27 | # ifndef IS_PADCONST |
26 | # define IS_PADCONST(v) 0 |
28 | # define IS_PADCONST(v) 0 |
27 | # endif |
29 | # endif |
28 | #endif |
30 | #endif |
29 | |
31 | |
30 | #include "libcoro/coro.c" |
32 | #include <errno.h> |
31 | |
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32 | #include <signal.h> |
33 | #include <signal.h> |
33 | |
34 | |
34 | #ifdef HAVE_MMAP |
35 | #ifdef HAVE_MMAP |
35 | # include <unistd.h> |
36 | # include <unistd.h> |
36 | # include <sys/mman.h> |
37 | # include <sys/mman.h> |
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… | |
57 | |
58 | |
58 | #include "CoroAPI.h" |
59 | #include "CoroAPI.h" |
59 | |
60 | |
60 | #ifdef USE_ITHREADS |
61 | #ifdef USE_ITHREADS |
61 | static perl_mutex coro_mutex; |
62 | static perl_mutex coro_mutex; |
62 | # define LOCK do { MUTEX_LOCK (&coro_mutex); } while (0) |
63 | # define LOCK do { MUTEX_LOCK (&coro_mutex); } while (0) |
63 | # define UNLOCK do { MUTEX_UNLOCK (&coro_mutex); } while (0) |
64 | # define UNLOCK do { MUTEX_UNLOCK (&coro_mutex); } while (0) |
64 | #else |
65 | #else |
65 | # define LOCK 0 |
66 | # define LOCK (void)0 |
66 | # define UNLOCK 0 |
67 | # define UNLOCK (void)0 |
67 | #endif |
68 | #endif |
68 | |
69 | |
69 | static struct CoroAPI coroapi; |
70 | static struct CoroAPI coroapi; |
70 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
71 | static AV *main_mainstack; /* used to differentiate between $main and others */ |
71 | static HV *coro_state_stash; |
72 | static HV *coro_state_stash; |
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… | |
109 | AV *mainstack; |
110 | AV *mainstack; |
110 | SV **stack_sp; |
111 | SV **stack_sp; |
111 | OP *op; |
112 | OP *op; |
112 | SV **curpad; |
113 | SV **curpad; |
113 | AV *comppad; |
114 | AV *comppad; |
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115 | CV *compcv; |
114 | SV **stack_base; |
116 | SV **stack_base; |
115 | SV **stack_max; |
117 | SV **stack_max; |
116 | SV **tmps_stack; |
118 | SV **tmps_stack; |
117 | I32 tmps_floor; |
119 | I32 tmps_floor; |
118 | I32 tmps_ix; |
120 | I32 tmps_ix; |
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… | |
127 | I32 savestack_ix; |
129 | I32 savestack_ix; |
128 | I32 savestack_max; |
130 | I32 savestack_max; |
129 | OP **retstack; |
131 | OP **retstack; |
130 | I32 retstack_ix; |
132 | I32 retstack_ix; |
131 | I32 retstack_max; |
133 | I32 retstack_max; |
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134 | PMOP *curpm; |
132 | COP *curcop; |
135 | COP *curcop; |
133 | JMPENV *top_env; |
136 | JMPENV *top_env; |
134 | |
137 | |
135 | /* data associated with this coroutine (initial args) */ |
138 | /* data associated with this coroutine (initial args) */ |
136 | AV *args; |
139 | AV *args; |
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… | |
270 | AV *av = (AV *)mg->mg_obj; |
273 | AV *av = (AV *)mg->mg_obj; |
271 | |
274 | |
272 | /* casting is fun. */ |
275 | /* casting is fun. */ |
273 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
276 | while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) |
274 | free_padlist (aTHX_ padlist); |
277 | free_padlist (aTHX_ padlist); |
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278 | |
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279 | SvREFCNT_dec (av); |
275 | } |
280 | } |
276 | |
281 | |
277 | #define PERL_MAGIC_coro PERL_MAGIC_ext |
282 | #define PERL_MAGIC_coro PERL_MAGIC_ext |
278 | |
283 | |
279 | static MGVTBL vtbl_coro = {0, 0, 0, 0, coro_cv_free}; |
284 | static MGVTBL vtbl_coro = {0, 0, 0, 0, coro_cv_free}; |
… | |
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325 | PL_mainstack = c->mainstack; |
330 | PL_mainstack = c->mainstack; |
326 | PL_stack_sp = c->stack_sp; |
331 | PL_stack_sp = c->stack_sp; |
327 | PL_op = c->op; |
332 | PL_op = c->op; |
328 | PL_curpad = c->curpad; |
333 | PL_curpad = c->curpad; |
329 | PL_comppad = c->comppad; |
334 | PL_comppad = c->comppad; |
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335 | PL_compcv = c->compcv; |
330 | PL_stack_base = c->stack_base; |
336 | PL_stack_base = c->stack_base; |
331 | PL_stack_max = c->stack_max; |
337 | PL_stack_max = c->stack_max; |
332 | PL_tmps_stack = c->tmps_stack; |
338 | PL_tmps_stack = c->tmps_stack; |
333 | PL_tmps_floor = c->tmps_floor; |
339 | PL_tmps_floor = c->tmps_floor; |
334 | PL_tmps_ix = c->tmps_ix; |
340 | PL_tmps_ix = c->tmps_ix; |
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… | |
343 | PL_savestack_ix = c->savestack_ix; |
349 | PL_savestack_ix = c->savestack_ix; |
344 | PL_savestack_max = c->savestack_max; |
350 | PL_savestack_max = c->savestack_max; |
345 | PL_retstack = c->retstack; |
351 | PL_retstack = c->retstack; |
346 | PL_retstack_ix = c->retstack_ix; |
352 | PL_retstack_ix = c->retstack_ix; |
347 | PL_retstack_max = c->retstack_max; |
353 | PL_retstack_max = c->retstack_max; |
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354 | PL_curpm = c->curpm; |
348 | PL_curcop = c->curcop; |
355 | PL_curcop = c->curcop; |
349 | PL_top_env = c->top_env; |
356 | PL_top_env = c->top_env; |
350 | |
357 | |
351 | if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav); |
358 | if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav); |
352 | if (c->defsv) REPLACE_SV (DEFSV , c->defsv); |
359 | if (c->defsv) REPLACE_SV (DEFSV , c->defsv); |
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… | |
449 | c->mainstack = PL_mainstack; |
456 | c->mainstack = PL_mainstack; |
450 | c->stack_sp = PL_stack_sp; |
457 | c->stack_sp = PL_stack_sp; |
451 | c->op = PL_op; |
458 | c->op = PL_op; |
452 | c->curpad = PL_curpad; |
459 | c->curpad = PL_curpad; |
453 | c->comppad = PL_comppad; |
460 | c->comppad = PL_comppad; |
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461 | c->compcv = PL_compcv; |
454 | c->stack_base = PL_stack_base; |
462 | c->stack_base = PL_stack_base; |
455 | c->stack_max = PL_stack_max; |
463 | c->stack_max = PL_stack_max; |
456 | c->tmps_stack = PL_tmps_stack; |
464 | c->tmps_stack = PL_tmps_stack; |
457 | c->tmps_floor = PL_tmps_floor; |
465 | c->tmps_floor = PL_tmps_floor; |
458 | c->tmps_ix = PL_tmps_ix; |
466 | c->tmps_ix = PL_tmps_ix; |
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467 | c->savestack_ix = PL_savestack_ix; |
475 | c->savestack_ix = PL_savestack_ix; |
468 | c->savestack_max = PL_savestack_max; |
476 | c->savestack_max = PL_savestack_max; |
469 | c->retstack = PL_retstack; |
477 | c->retstack = PL_retstack; |
470 | c->retstack_ix = PL_retstack_ix; |
478 | c->retstack_ix = PL_retstack_ix; |
471 | c->retstack_max = PL_retstack_max; |
479 | c->retstack_max = PL_retstack_max; |
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480 | c->curpm = PL_curpm; |
472 | c->curcop = PL_curcop; |
481 | c->curcop = PL_curcop; |
473 | c->top_env = PL_top_env; |
482 | c->top_env = PL_top_env; |
474 | } |
483 | } |
475 | |
484 | |
476 | /* |
485 | /* |
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581 | stack->gencnt = ctx->gencnt = 0; |
590 | stack->gencnt = ctx->gencnt = 0; |
582 | |
591 | |
583 | if (alloc) |
592 | if (alloc) |
584 | { |
593 | { |
585 | #if HAVE_MMAP |
594 | #if HAVE_MMAP |
586 | stack->ssize = 16384 * sizeof (long); /* mmap should do allocate-on-write for us */ |
595 | stack->ssize = STACKSIZE * sizeof (long); /* mmap should do allocate-on-write for us */ |
587 | stack->sptr = mmap (0, stack->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
596 | stack->sptr = mmap (0, stack->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
588 | if (stack->sptr == (void *)-1) |
597 | if (stack->sptr == (void *)-1) |
589 | #endif |
598 | #endif |
590 | { |
599 | { |
591 | /*FIXME*//*D*//* reasonable stack size! */ |
600 | /*FIXME*//*D*//* reasonable stack size! */ |
592 | stack->ssize = - (8192 * sizeof (long)); |
601 | stack->ssize = - (STACKSIZE * sizeof (long)); |
593 | New (0, stack->sptr, 8192, long); |
602 | New (0, stack->sptr, STACKSIZE, long); |
594 | } |
603 | } |
595 | } |
604 | } |
596 | else |
605 | else |
597 | stack->sptr = 0; |
606 | stack->sptr = 0; |
598 | |
607 | |
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… | |
979 | croak ("Coro::State::_newprocess expects an arrayref"); |
988 | croak ("Coro::State::_newprocess expects an arrayref"); |
980 | |
989 | |
981 | Newz (0, coro, 1, struct coro); |
990 | Newz (0, coro, 1, struct coro); |
982 | |
991 | |
983 | coro->args = (AV *)SvREFCNT_inc (SvRV (args)); |
992 | coro->args = (AV *)SvREFCNT_inc (SvRV (args)); |
984 | coro->mainstack = 0; /* actual work is done inside transfer */ |
993 | /*coro->mainstack = 0; *//*actual work is done inside transfer */ |
985 | coro->stack = 0; |
994 | /*coro->stack = 0;*/ |
986 | |
995 | |
987 | /* same as JMPENV_BOOTSTRAP */ |
996 | /* same as JMPENV_BOOTSTRAP */ |
988 | /* we might be able to recycle start_env, but safe is safe */ |
997 | /* we might be able to recycle start_env, but safe is safe */ |
989 | //Zero(&coro->start_env, 1, JMPENV); |
998 | /*Zero(&coro->start_env, 1, JMPENV);*/ |
990 | coro->start_env.je_ret = -1; |
999 | coro->start_env.je_ret = -1; |
991 | coro->start_env.je_mustcatch = TRUE; |
1000 | coro->start_env.je_mustcatch = TRUE; |
992 | |
1001 | |
993 | RETVAL = coro; |
1002 | RETVAL = coro; |
994 | OUTPUT: |
1003 | OUTPUT: |
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1015 | if (coro->mainstack && coro->mainstack != main_mainstack) |
1024 | if (coro->mainstack && coro->mainstack != main_mainstack) |
1016 | { |
1025 | { |
1017 | struct coro temp; |
1026 | struct coro temp; |
1018 | |
1027 | |
1019 | PUTBACK; |
1028 | PUTBACK; |
1020 | SAVE(aTHX_ (&temp), TRANSFER_SAVE_ALL); |
1029 | SAVE (aTHX_ (&temp), TRANSFER_SAVE_ALL); |
1021 | LOAD(aTHX_ coro); |
1030 | LOAD (aTHX_ coro); |
1022 | SPAGAIN; |
1031 | SPAGAIN; |
1023 | |
1032 | |
1024 | destroy_stacks (aTHX); |
1033 | destroy_stacks (aTHX); |
1025 | |
1034 | |
1026 | LOAD((&temp)); /* this will get rid of defsv etc.. */ |
1035 | LOAD ((&temp)); /* this will get rid of defsv etc.. */ |
1027 | SPAGAIN; |
1036 | SPAGAIN; |
1028 | |
1037 | |
1029 | coro->mainstack = 0; |
1038 | coro->mainstack = 0; |
1030 | } |
1039 | } |
1031 | |
1040 | |
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1046 | |
1055 | |
1047 | void |
1056 | void |
1048 | yield(...) |
1057 | yield(...) |
1049 | PROTOTYPE: @ |
1058 | PROTOTYPE: @ |
1050 | CODE: |
1059 | CODE: |
1051 | static SV *returnstk; |
1060 | SV *yieldstack; |
1052 | SV *sv; |
1061 | SV *sv; |
1053 | AV *defav = GvAV (PL_defgv); |
1062 | AV *defav = GvAV (PL_defgv); |
1054 | struct coro *prev, *next; |
1063 | struct coro *prev, *next; |
1055 | |
1064 | |
1056 | if (!returnstk) |
1065 | yieldstack = *hv_fetch ( |
1057 | returnstk = SvRV ((SV *)get_sv ("Coro::Cont::return", FALSE)); |
1066 | (HV *)SvRV (GvSV (coro_current)), |
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1067 | "yieldstack", sizeof ("yieldstack") - 1, |
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1068 | 0 |
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1069 | ); |
1058 | |
1070 | |
1059 | /* set up @_ -- ugly */ |
1071 | /* set up @_ -- ugly */ |
1060 | av_clear (defav); |
1072 | av_clear (defav); |
1061 | av_fill (defav, items - 1); |
1073 | av_fill (defav, items - 1); |
1062 | while (items--) |
1074 | while (items--) |
1063 | av_store (defav, items, SvREFCNT_inc (ST(items))); |
1075 | av_store (defav, items, SvREFCNT_inc (ST(items))); |
1064 | |
1076 | |
1065 | mg_get (returnstk); /* isn't documentation wrong for mg_get? */ |
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1066 | sv = av_pop ((AV *)SvRV (returnstk)); |
1077 | sv = av_pop ((AV *)SvRV (yieldstack)); |
1067 | prev = (struct coro *)SvIV ((SV*)SvRV (*av_fetch ((AV *)SvRV (sv), 0, 0))); |
1078 | prev = (struct coro *)SvIV ((SV*)SvRV (*av_fetch ((AV *)SvRV (sv), 0, 0))); |
1068 | next = (struct coro *)SvIV ((SV*)SvRV (*av_fetch ((AV *)SvRV (sv), 1, 0))); |
1079 | next = (struct coro *)SvIV ((SV*)SvRV (*av_fetch ((AV *)SvRV (sv), 1, 0))); |
1069 | SvREFCNT_dec (sv); |
1080 | SvREFCNT_dec (sv); |
1070 | |
1081 | |
1071 | transfer(aTHX_ prev, next, 0); |
1082 | transfer (aTHX_ prev, next, 0); |
1072 | |
1083 | |
1073 | MODULE = Coro::State PACKAGE = Coro |
1084 | MODULE = Coro::State PACKAGE = Coro |
1074 | |
1085 | |
1075 | # this is slightly dirty (should expose a c-level api) |
1086 | # this is slightly dirty (should expose a c-level api) |
1076 | |
1087 | |
… | |
… | |
1136 | cede(...) |
1147 | cede(...) |
1137 | PROTOTYPE: |
1148 | PROTOTYPE: |
1138 | CODE: |
1149 | CODE: |
1139 | api_cede (); |
1150 | api_cede (); |
1140 | |
1151 | |
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1152 | # and these are hacks |
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1153 | SV * |
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1154 | _aio_get_state () |
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1155 | CODE: |
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1156 | { |
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1157 | struct { |
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1158 | int errorno; |
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1159 | int laststype; |
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1160 | int laststatval; |
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1161 | Stat_t statcache; |
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1162 | } data; |
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1163 | |
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1164 | data.errorno = errno; |
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1165 | data.laststype = PL_laststype; |
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1166 | data.laststatval = PL_laststatval; |
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1167 | data.statcache = PL_statcache; |
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1168 | |
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1169 | RETVAL = newSVpvn ((char *)&data, sizeof data); |
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1170 | } |
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1171 | OUTPUT: |
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1172 | RETVAL |
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1173 | |
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1174 | void |
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1175 | _aio_set_state (char *data_) |
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1176 | PROTOTYPE: $ |
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1177 | CODE: |
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1178 | { |
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1179 | struct { |
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1180 | int errorno; |
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1181 | int laststype; |
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1182 | int laststatval; |
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1183 | Stat_t statcache; |
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1184 | } *data = (void *)data_; |
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1185 | |
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1186 | errno = data->errorno; |
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1187 | PL_laststype = data->laststype; |
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1188 | PL_laststatval = data->laststatval; |
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1189 | PL_statcache = data->statcache; |
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1190 | } |