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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168 | av_store (newpadlist, 1, (SV *) newpad); |
171 | av_store (newpadlist, 1, (SV *) newpad); |
169 | |
172 | |
170 | av = newAV (); /* will be @_ */ |
173 | av = newAV (); /* will be @_ */ |
171 | av_extend (av, 0); |
174 | av_extend (av, 0); |
172 | av_store (newpad, 0, (SV *) av); |
175 | av_store (newpad, 0, (SV *) av); |
173 | AvFLAGS (av) = AVf_REIFY; |
176 | AvREIFY_on (av); |
174 | |
177 | |
175 | for (ix = fpad; ix > 0; ix--) |
178 | for (ix = fpad; ix > 0; ix--) |
176 | { |
179 | { |
177 | SV *namesv = (ix <= fname) ? pname[ix] : Nullsv; |
180 | SV *namesv = (ix <= fname) ? pname[ix] : Nullsv; |
178 | |
181 | |
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327 | PL_mainstack = c->mainstack; |
330 | PL_mainstack = c->mainstack; |
328 | PL_stack_sp = c->stack_sp; |
331 | PL_stack_sp = c->stack_sp; |
329 | PL_op = c->op; |
332 | PL_op = c->op; |
330 | PL_curpad = c->curpad; |
333 | PL_curpad = c->curpad; |
331 | PL_comppad = c->comppad; |
334 | PL_comppad = c->comppad; |
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335 | PL_compcv = c->compcv; |
332 | PL_stack_base = c->stack_base; |
336 | PL_stack_base = c->stack_base; |
333 | PL_stack_max = c->stack_max; |
337 | PL_stack_max = c->stack_max; |
334 | PL_tmps_stack = c->tmps_stack; |
338 | PL_tmps_stack = c->tmps_stack; |
335 | PL_tmps_floor = c->tmps_floor; |
339 | PL_tmps_floor = c->tmps_floor; |
336 | PL_tmps_ix = c->tmps_ix; |
340 | PL_tmps_ix = c->tmps_ix; |
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342 | PL_scopestack_ix = c->scopestack_ix; |
346 | PL_scopestack_ix = c->scopestack_ix; |
343 | PL_scopestack_max = c->scopestack_max; |
347 | PL_scopestack_max = c->scopestack_max; |
344 | PL_savestack = c->savestack; |
348 | PL_savestack = c->savestack; |
345 | PL_savestack_ix = c->savestack_ix; |
349 | PL_savestack_ix = c->savestack_ix; |
346 | PL_savestack_max = c->savestack_max; |
350 | PL_savestack_max = c->savestack_max; |
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351 | #if PERL_VERSION < 9 |
347 | PL_retstack = c->retstack; |
352 | PL_retstack = c->retstack; |
348 | PL_retstack_ix = c->retstack_ix; |
353 | PL_retstack_ix = c->retstack_ix; |
349 | PL_retstack_max = c->retstack_max; |
354 | PL_retstack_max = c->retstack_max; |
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355 | #endif |
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356 | PL_curpm = c->curpm; |
350 | PL_curcop = c->curcop; |
357 | PL_curcop = c->curcop; |
351 | PL_top_env = c->top_env; |
358 | PL_top_env = c->top_env; |
352 | |
359 | |
353 | if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav); |
360 | if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav); |
354 | if (c->defsv) REPLACE_SV (DEFSV , c->defsv); |
361 | if (c->defsv) REPLACE_SV (DEFSV , c->defsv); |
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451 | c->mainstack = PL_mainstack; |
458 | c->mainstack = PL_mainstack; |
452 | c->stack_sp = PL_stack_sp; |
459 | c->stack_sp = PL_stack_sp; |
453 | c->op = PL_op; |
460 | c->op = PL_op; |
454 | c->curpad = PL_curpad; |
461 | c->curpad = PL_curpad; |
455 | c->comppad = PL_comppad; |
462 | c->comppad = PL_comppad; |
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463 | c->compcv = PL_compcv; |
456 | c->stack_base = PL_stack_base; |
464 | c->stack_base = PL_stack_base; |
457 | c->stack_max = PL_stack_max; |
465 | c->stack_max = PL_stack_max; |
458 | c->tmps_stack = PL_tmps_stack; |
466 | c->tmps_stack = PL_tmps_stack; |
459 | c->tmps_floor = PL_tmps_floor; |
467 | c->tmps_floor = PL_tmps_floor; |
460 | c->tmps_ix = PL_tmps_ix; |
468 | c->tmps_ix = PL_tmps_ix; |
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466 | c->scopestack_ix = PL_scopestack_ix; |
474 | c->scopestack_ix = PL_scopestack_ix; |
467 | c->scopestack_max = PL_scopestack_max; |
475 | c->scopestack_max = PL_scopestack_max; |
468 | c->savestack = PL_savestack; |
476 | c->savestack = PL_savestack; |
469 | c->savestack_ix = PL_savestack_ix; |
477 | c->savestack_ix = PL_savestack_ix; |
470 | c->savestack_max = PL_savestack_max; |
478 | c->savestack_max = PL_savestack_max; |
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479 | #if PERL_VERSION < 9 |
471 | c->retstack = PL_retstack; |
480 | c->retstack = PL_retstack; |
472 | c->retstack_ix = PL_retstack_ix; |
481 | c->retstack_ix = PL_retstack_ix; |
473 | c->retstack_max = PL_retstack_max; |
482 | c->retstack_max = PL_retstack_max; |
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483 | #endif |
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484 | c->curpm = PL_curpm; |
474 | c->curcop = PL_curcop; |
485 | c->curcop = PL_curcop; |
475 | c->top_env = PL_top_env; |
486 | c->top_env = PL_top_env; |
476 | } |
487 | } |
477 | |
488 | |
478 | /* |
489 | /* |
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514 | |
525 | |
515 | New(54,PL_savestack,96,ANY); |
526 | New(54,PL_savestack,96,ANY); |
516 | PL_savestack_ix = 0; |
527 | PL_savestack_ix = 0; |
517 | PL_savestack_max = 96; |
528 | PL_savestack_max = 96; |
518 | |
529 | |
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530 | #if PERL_VERSION < 9 |
519 | New(54,PL_retstack,8,OP*); |
531 | New(54,PL_retstack,8,OP*); |
520 | PL_retstack_ix = 0; |
532 | PL_retstack_ix = 0; |
521 | PL_retstack_max = 8; |
533 | PL_retstack_max = 8; |
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534 | #endif |
522 | |
535 | |
523 | UNLOCK; |
536 | UNLOCK; |
524 | } |
537 | } |
525 | |
538 | |
526 | /* |
539 | /* |
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566 | |
579 | |
567 | Safefree (PL_tmps_stack); |
580 | Safefree (PL_tmps_stack); |
568 | Safefree (PL_markstack); |
581 | Safefree (PL_markstack); |
569 | Safefree (PL_scopestack); |
582 | Safefree (PL_scopestack); |
570 | Safefree (PL_savestack); |
583 | Safefree (PL_savestack); |
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584 | #if PERL_VERSION < 9 |
571 | Safefree (PL_retstack); |
585 | Safefree (PL_retstack); |
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586 | #endif |
572 | } |
587 | } |
573 | |
588 | |
574 | static void |
589 | static void |
575 | allocate_stack (Coro__State ctx, int alloc) |
590 | allocate_stack (Coro__State ctx, int alloc) |
576 | { |
591 | { |
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583 | stack->gencnt = ctx->gencnt = 0; |
598 | stack->gencnt = ctx->gencnt = 0; |
584 | |
599 | |
585 | if (alloc) |
600 | if (alloc) |
586 | { |
601 | { |
587 | #if HAVE_MMAP |
602 | #if HAVE_MMAP |
588 | stack->ssize = 16384 * sizeof (long); /* mmap should do allocate-on-write for us */ |
603 | stack->ssize = STACKSIZE * sizeof (long); /* mmap should do allocate-on-write for us */ |
589 | stack->sptr = mmap (0, stack->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
604 | stack->sptr = mmap (0, stack->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); |
590 | if (stack->sptr == (void *)-1) |
605 | if (stack->sptr == (void *)-1) |
591 | #endif |
606 | #endif |
592 | { |
607 | { |
593 | /*FIXME*//*D*//* reasonable stack size! */ |
608 | /*FIXME*//*D*//* reasonable stack size! */ |
594 | stack->ssize = - (8192 * sizeof (long)); |
609 | stack->ssize = - (STACKSIZE * sizeof (long)); |
595 | New (0, stack->sptr, 8192, long); |
610 | New (0, stack->sptr, STACKSIZE, long); |
596 | } |
611 | } |
597 | } |
612 | } |
598 | else |
613 | else |
599 | stack->sptr = 0; |
614 | stack->sptr = 0; |
600 | |
615 | |
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1048 | |
1063 | |
1049 | void |
1064 | void |
1050 | yield(...) |
1065 | yield(...) |
1051 | PROTOTYPE: @ |
1066 | PROTOTYPE: @ |
1052 | CODE: |
1067 | CODE: |
1053 | static SV *returnstk; |
1068 | SV *yieldstack; |
1054 | SV *sv; |
1069 | SV *sv; |
1055 | AV *defav = GvAV (PL_defgv); |
1070 | AV *defav = GvAV (PL_defgv); |
1056 | struct coro *prev, *next; |
1071 | struct coro *prev, *next; |
1057 | |
1072 | |
1058 | if (!returnstk) |
1073 | yieldstack = *hv_fetch ( |
1059 | returnstk = SvRV ((SV *)get_sv ("Coro::Cont::return", FALSE)); |
1074 | (HV *)SvRV (GvSV (coro_current)), |
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1075 | "yieldstack", sizeof ("yieldstack") - 1, |
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1076 | 0 |
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1077 | ); |
1060 | |
1078 | |
1061 | /* set up @_ -- ugly */ |
1079 | /* set up @_ -- ugly */ |
1062 | av_clear (defav); |
1080 | av_clear (defav); |
1063 | av_fill (defav, items - 1); |
1081 | av_fill (defav, items - 1); |
1064 | while (items--) |
1082 | while (items--) |
1065 | av_store (defav, items, SvREFCNT_inc (ST(items))); |
1083 | av_store (defav, items, SvREFCNT_inc (ST(items))); |
1066 | |
1084 | |
1067 | SvGETMAGIC (returnstk); /* isn't documentation wrong for mg_get? */ |
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1068 | sv = av_pop ((AV *)SvRV (returnstk)); |
1085 | sv = av_pop ((AV *)SvRV (yieldstack)); |
1069 | prev = (struct coro *)SvIV ((SV*)SvRV (*av_fetch ((AV *)SvRV (sv), 0, 0))); |
1086 | prev = (struct coro *)SvIV ((SV*)SvRV (*av_fetch ((AV *)SvRV (sv), 0, 0))); |
1070 | next = (struct coro *)SvIV ((SV*)SvRV (*av_fetch ((AV *)SvRV (sv), 1, 0))); |
1087 | next = (struct coro *)SvIV ((SV*)SvRV (*av_fetch ((AV *)SvRV (sv), 1, 0))); |
1071 | SvREFCNT_dec (sv); |
1088 | SvREFCNT_dec (sv); |
1072 | |
1089 | |
1073 | transfer (aTHX_ prev, next, 0); |
1090 | transfer (aTHX_ prev, next, 0); |
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… | |
1138 | cede(...) |
1155 | cede(...) |
1139 | PROTOTYPE: |
1156 | PROTOTYPE: |
1140 | CODE: |
1157 | CODE: |
1141 | api_cede (); |
1158 | api_cede (); |
1142 | |
1159 | |
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1160 | # and these are hacks |
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1161 | SV * |
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1162 | _aio_get_state () |
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1163 | CODE: |
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1164 | { |
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1165 | struct { |
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1166 | int errorno; |
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1167 | int laststype; |
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1168 | int laststatval; |
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1169 | Stat_t statcache; |
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1170 | } data; |
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1171 | |
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1172 | data.errorno = errno; |
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1173 | data.laststype = PL_laststype; |
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1174 | data.laststatval = PL_laststatval; |
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1175 | data.statcache = PL_statcache; |
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1176 | |
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1177 | RETVAL = newSVpvn ((char *)&data, sizeof data); |
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1178 | } |
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1179 | OUTPUT: |
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1180 | RETVAL |
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1181 | |
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1182 | void |
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1183 | _aio_set_state (char *data_) |
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1184 | PROTOTYPE: $ |
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1185 | CODE: |
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1186 | { |
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1187 | struct { |
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1188 | int errorno; |
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1189 | int laststype; |
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1190 | int laststatval; |
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1191 | Stat_t statcache; |
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1192 | } *data = (void *)data_; |
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1193 | |
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1194 | errno = data->errorno; |
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1195 | PL_laststype = data->laststype; |
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1196 | PL_laststatval = data->laststatval; |
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1197 | PL_statcache = data->statcache; |
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1198 | } |