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Comparing Coro/Coro/State.xs (file contents):
Revision 1.66 by root, Mon Dec 12 19:43:41 2005 UTC vs.
Revision 1.76 by root, Thu Oct 26 08:45:56 2006 UTC

27# ifndef IS_PADCONST 27# ifndef IS_PADCONST
28# define IS_PADCONST(v) 0 28# define IS_PADCONST(v) 0
29# endif 29# endif
30#endif 30#endif
31 31
32#include <signal.h> 32#include <errno.h>
33 33
34#ifdef HAVE_MMAP 34#ifdef HAVE_MMAP
35# include <unistd.h> 35# include <unistd.h>
36# include <sys/mman.h> 36# include <sys/mman.h>
37# ifndef MAP_ANONYMOUS 37# ifndef MAP_ANONYMOUS
57 57
58#include "CoroAPI.h" 58#include "CoroAPI.h"
59 59
60#ifdef USE_ITHREADS 60#ifdef USE_ITHREADS
61static perl_mutex coro_mutex; 61static perl_mutex coro_mutex;
62# define LOCK do { MUTEX_LOCK (&coro_mutex); } while (0) 62# define LOCK do { MUTEX_LOCK (&coro_mutex); } while (0)
63# define UNLOCK do { MUTEX_UNLOCK (&coro_mutex); } while (0) 63# define UNLOCK do { MUTEX_UNLOCK (&coro_mutex); } while (0)
64#else 64#else
65# define LOCK 0 65# define LOCK (void)0
66# define UNLOCK 0 66# define UNLOCK (void)0
67#endif 67#endif
68 68
69static struct CoroAPI coroapi; 69static struct CoroAPI coroapi;
70static AV *main_mainstack; /* used to differentiate between $main and others */ 70static AV *main_mainstack; /* used to differentiate between $main and others */
71static HV *coro_state_stash; 71static HV *coro_state_stash;
170 av_store (newpadlist, 1, (SV *) newpad); 170 av_store (newpadlist, 1, (SV *) newpad);
171 171
172 av = newAV (); /* will be @_ */ 172 av = newAV (); /* will be @_ */
173 av_extend (av, 0); 173 av_extend (av, 0);
174 av_store (newpad, 0, (SV *) av); 174 av_store (newpad, 0, (SV *) av);
175 AvFLAGS (av) = AVf_REIFY; 175 AvREIFY_on (av);
176 176
177 for (ix = fpad; ix > 0; ix--) 177 for (ix = fpad; ix > 0; ix--)
178 { 178 {
179 SV *namesv = (ix <= fname) ? pname[ix] : Nullsv; 179 SV *namesv = (ix <= fname) ? pname[ix] : Nullsv;
180 180
274 /* casting is fun. */ 274 /* casting is fun. */
275 while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) 275 while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av)))
276 free_padlist (aTHX_ padlist); 276 free_padlist (aTHX_ padlist);
277 277
278 SvREFCNT_dec (av); 278 SvREFCNT_dec (av);
279
280 return 0;
279} 281}
280 282
281#define PERL_MAGIC_coro PERL_MAGIC_ext 283#define PERL_MAGIC_coro PERL_MAGIC_ext
282 284
283static MGVTBL vtbl_coro = {0, 0, 0, 0, coro_cv_free}; 285static MGVTBL vtbl_coro = {0, 0, 0, 0, coro_cv_free};
345 PL_scopestack_ix = c->scopestack_ix; 347 PL_scopestack_ix = c->scopestack_ix;
346 PL_scopestack_max = c->scopestack_max; 348 PL_scopestack_max = c->scopestack_max;
347 PL_savestack = c->savestack; 349 PL_savestack = c->savestack;
348 PL_savestack_ix = c->savestack_ix; 350 PL_savestack_ix = c->savestack_ix;
349 PL_savestack_max = c->savestack_max; 351 PL_savestack_max = c->savestack_max;
352#if PERL_VERSION < 9
350 PL_retstack = c->retstack; 353 PL_retstack = c->retstack;
351 PL_retstack_ix = c->retstack_ix; 354 PL_retstack_ix = c->retstack_ix;
352 PL_retstack_max = c->retstack_max; 355 PL_retstack_max = c->retstack_max;
356#endif
353 PL_curpm = c->curpm; 357 PL_curpm = c->curpm;
354 PL_curcop = c->curcop; 358 PL_curcop = c->curcop;
355 PL_top_env = c->top_env; 359 PL_top_env = c->top_env;
356 360
357 if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav); 361 if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav);
471 c->scopestack_ix = PL_scopestack_ix; 475 c->scopestack_ix = PL_scopestack_ix;
472 c->scopestack_max = PL_scopestack_max; 476 c->scopestack_max = PL_scopestack_max;
473 c->savestack = PL_savestack; 477 c->savestack = PL_savestack;
474 c->savestack_ix = PL_savestack_ix; 478 c->savestack_ix = PL_savestack_ix;
475 c->savestack_max = PL_savestack_max; 479 c->savestack_max = PL_savestack_max;
480#if PERL_VERSION < 9
476 c->retstack = PL_retstack; 481 c->retstack = PL_retstack;
477 c->retstack_ix = PL_retstack_ix; 482 c->retstack_ix = PL_retstack_ix;
478 c->retstack_max = PL_retstack_max; 483 c->retstack_max = PL_retstack_max;
484#endif
479 c->curpm = PL_curpm; 485 c->curpm = PL_curpm;
480 c->curcop = PL_curcop; 486 c->curcop = PL_curcop;
481 c->top_env = PL_top_env; 487 c->top_env = PL_top_env;
482} 488}
483 489
520 526
521 New(54,PL_savestack,96,ANY); 527 New(54,PL_savestack,96,ANY);
522 PL_savestack_ix = 0; 528 PL_savestack_ix = 0;
523 PL_savestack_max = 96; 529 PL_savestack_max = 96;
524 530
531#if PERL_VERSION < 9
525 New(54,PL_retstack,8,OP*); 532 New(54,PL_retstack,8,OP*);
526 PL_retstack_ix = 0; 533 PL_retstack_ix = 0;
527 PL_retstack_max = 8; 534 PL_retstack_max = 8;
535#endif
528 536
529 UNLOCK; 537 UNLOCK;
530} 538}
531 539
532/* 540/*
572 580
573 Safefree (PL_tmps_stack); 581 Safefree (PL_tmps_stack);
574 Safefree (PL_markstack); 582 Safefree (PL_markstack);
575 Safefree (PL_scopestack); 583 Safefree (PL_scopestack);
576 Safefree (PL_savestack); 584 Safefree (PL_savestack);
585#if PERL_VERSION < 9
577 Safefree (PL_retstack); 586 Safefree (PL_retstack);
587#endif
578} 588}
579 589
580static void 590static void
581allocate_stack (Coro__State ctx, int alloc) 591allocate_stack (Coro__State ctx, int alloc)
582{ 592{
589 stack->gencnt = ctx->gencnt = 0; 599 stack->gencnt = ctx->gencnt = 0;
590 600
591 if (alloc) 601 if (alloc)
592 { 602 {
593#if HAVE_MMAP 603#if HAVE_MMAP
594 stack->ssize = 16384 * sizeof (long); /* mmap should do allocate-on-write for us */ 604 stack->ssize = STACKSIZE * sizeof (long); /* mmap should do allocate-on-write for us */
595 stack->sptr = mmap (0, stack->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); 605 stack->sptr = mmap (0, stack->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0);
596 if (stack->sptr == (void *)-1) 606 if (stack->sptr == (void *)-1)
597#endif 607#endif
598 { 608 {
599 /*FIXME*//*D*//* reasonable stack size! */
600 stack->ssize = - (8192 * sizeof (long)); 609 stack->ssize = - (STACKSIZE * (long)sizeof (long));
601 New (0, stack->sptr, 8192, long); 610 New (0, stack->sptr, STACKSIZE, long);
602 } 611 }
603 } 612 }
604 else 613 else
605 stack->sptr = 0; 614 stack->sptr = 0;
606 615
697 /* 706 /*
698 * this is a _very_ stripped down perl interpreter ;) 707 * this is a _very_ stripped down perl interpreter ;)
699 */ 708 */
700 dTHX; 709 dTHX;
701 Coro__State ctx = (Coro__State)arg; 710 Coro__State ctx = (Coro__State)arg;
702 JMPENV coro_start_env;
703 711
704 PL_top_env = &ctx->start_env; 712 PL_top_env = &ctx->start_env;
705 713
706 ctx->cursp = 0; 714 ctx->cursp = 0;
707 PL_op = PL_op->op_next; 715 PL_op = PL_op->op_next;
830 if (!SvOBJECT (sv) || SvSTASH (sv) != coro_state_stash) \ 838 if (!SvOBJECT (sv) || SvSTASH (sv) != coro_state_stash) \
831 croak ("%s() -- %s is not (and contains not) a Coro::State object", func, # sv); \ 839 croak ("%s() -- %s is not (and contains not) a Coro::State object", func, # sv); \
832 \ 840 \
833 } while(0) 841 } while(0)
834 842
835#define SvSTATE(sv) (struct coro *)SvIV (sv) 843#define SvSTATE(sv) INT2PTR (struct coro *, SvIV (sv))
836 844
837static void 845static void
838api_transfer(pTHX_ SV *prev, SV *next, int flags) 846api_transfer(pTHX_ SV *prev, SV *next, int flags)
839{ 847{
840 SV_CORO (prev, "Coro::transfer"); 848 SV_CORO (prev, "Coro::transfer");
858static int coro_nready; 866static int coro_nready;
859 867
860static void 868static void
861coro_enq (pTHX_ SV *sv) 869coro_enq (pTHX_ SV *sv)
862{ 870{
871 SV **xprio;
872 int prio;
873
863 if (SvTYPE (sv) == SVt_PVHV) 874 if (SvTYPE (sv) != SVt_PVHV)
864 {
865 SV **xprio = hv_fetch ((HV *)sv, "prio", 4, 0);
866 int prio = xprio ? SvIV (*xprio) : PRIO_NORMAL;
867
868 prio = prio > PRIO_MAX ? PRIO_MAX
869 : prio < PRIO_MIN ? PRIO_MIN
870 : prio;
871
872 av_push (coro_ready [prio - PRIO_MIN], sv);
873 coro_nready++;
874
875 return;
876 }
877
878 croak ("Coro::ready tried to enqueue something that is not a coroutine"); 875 croak ("Coro::ready tried to enqueue something that is not a coroutine");
876
877 xprio = hv_fetch ((HV *)sv, "prio", 4, 0);
878 prio = xprio ? SvIV (*xprio) : PRIO_NORMAL;
879
880 prio = prio > PRIO_MAX ? PRIO_MAX
881 : prio < PRIO_MIN ? PRIO_MIN
882 : prio;
883
884 av_push (coro_ready [prio - PRIO_MIN], sv);
885 coro_nready++;
879} 886}
880 887
881static SV * 888static SV *
882coro_deq (pTHX_ int min_prio) 889coro_deq (pTHX_ int min_prio)
883{ 890{
1072 av_fill (defav, items - 1); 1079 av_fill (defav, items - 1);
1073 while (items--) 1080 while (items--)
1074 av_store (defav, items, SvREFCNT_inc (ST(items))); 1081 av_store (defav, items, SvREFCNT_inc (ST(items)));
1075 1082
1076 sv = av_pop ((AV *)SvRV (yieldstack)); 1083 sv = av_pop ((AV *)SvRV (yieldstack));
1077 prev = (struct coro *)SvIV ((SV*)SvRV (*av_fetch ((AV *)SvRV (sv), 0, 0))); 1084 prev = INT2PTR (struct coro *, SvIV ((SV*)SvRV (*av_fetch ((AV *)SvRV (sv), 0, 0))));
1078 next = (struct coro *)SvIV ((SV*)SvRV (*av_fetch ((AV *)SvRV (sv), 1, 0))); 1085 next = INT2PTR (struct coro *, SvIV ((SV*)SvRV (*av_fetch ((AV *)SvRV (sv), 1, 0))));
1079 SvREFCNT_dec (sv); 1086 SvREFCNT_dec (sv);
1080 1087
1081 transfer (aTHX_ prev, next, 0); 1088 transfer (aTHX_ prev, next, 0);
1082 1089
1083MODULE = Coro::State PACKAGE = Coro 1090MODULE = Coro::State PACKAGE = Coro
1146cede(...) 1153cede(...)
1147 PROTOTYPE: 1154 PROTOTYPE:
1148 CODE: 1155 CODE:
1149 api_cede (); 1156 api_cede ();
1150 1157
1158# and these are hacks
1159SV *
1160_aio_get_state ()
1161 CODE:
1162{
1163 struct {
1164 int errorno;
1165 int laststype;
1166 int laststatval;
1167 Stat_t statcache;
1168 } data;
1169
1170 data.errorno = errno;
1171 data.laststype = PL_laststype;
1172 data.laststatval = PL_laststatval;
1173 data.statcache = PL_statcache;
1174
1175 RETVAL = newSVpvn ((char *)&data, sizeof data);
1176}
1177 OUTPUT:
1178 RETVAL
1179
1180void
1181_aio_set_state (char *data_)
1182 PROTOTYPE: $
1183 CODE:
1184{
1185 struct {
1186 int errorno;
1187 int laststype;
1188 int laststatval;
1189 Stat_t statcache;
1190 } *data = (void *)data_;
1191
1192 errno = data->errorno;
1193 PL_laststype = data->laststype;
1194 PL_laststatval = data->laststatval;
1195 PL_statcache = data->statcache;
1196}

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