ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/Coro/Coro/State.xs
(Generate patch)

Comparing Coro/Coro/State.xs (file contents):
Revision 1.198 by root, Sun Oct 7 03:58:37 2007 UTC vs.
Revision 1.232 by root, Thu Apr 24 12:40:38 2008 UTC

10#include "patchlevel.h" 10#include "patchlevel.h"
11 11
12#include <stdio.h> 12#include <stdio.h>
13#include <errno.h> 13#include <errno.h>
14#include <assert.h> 14#include <assert.h>
15
16#ifdef WIN32
17# undef setjmp
18# undef longjmp
19# undef _exit
20# define setjmp _setjmp // deep magic, don't ask
21#else
22# include <inttypes.h> /* most portable stdint.h */
23#endif
15 24
16#ifdef HAVE_MMAP 25#ifdef HAVE_MMAP
17# include <unistd.h> 26# include <unistd.h>
18# include <sys/mman.h> 27# include <sys/mman.h>
19# ifndef MAP_ANONYMOUS 28# ifndef MAP_ANONYMOUS
71# ifndef IS_PADCONST 80# ifndef IS_PADCONST
72# define IS_PADCONST(v) 0 81# define IS_PADCONST(v) 0
73# endif 82# endif
74#endif 83#endif
75 84
85/* 5.8.8 */
86#ifndef GV_NOTQUAL
87# define GV_NOTQUAL 0
88#endif
89#ifndef newSV
90# define newSV(l) NEWSV(0,l)
91#endif
92
93/* 5.11 */
94#ifndef CxHASARGS
95# define CxHASARGS(cx) (cx)->blk_sub.hasargs
96#endif
97
76/* 5.8.7 */ 98/* 5.8.7 */
77#ifndef SvRV_set 99#ifndef SvRV_set
78# define SvRV_set(s,v) SvRV(s) = (v) 100# define SvRV_set(s,v) SvRV(s) = (v)
79#endif
80
81/* 5.8.8 */
82#ifndef GV_NOTQUAL
83# define GV_NOTQUAL 0
84#endif
85#ifndef newSV
86# define newSV(l) NEWSV(0,l)
87#endif 101#endif
88 102
89#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 103#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64
90# undef CORO_STACKGUARD 104# undef CORO_STACKGUARD
91#endif 105#endif
144static size_t coro_stacksize = CORO_STACKSIZE; 158static size_t coro_stacksize = CORO_STACKSIZE;
145static struct CoroAPI coroapi; 159static struct CoroAPI coroapi;
146static AV *main_mainstack; /* used to differentiate between $main and others */ 160static AV *main_mainstack; /* used to differentiate between $main and others */
147static JMPENV *main_top_env; 161static JMPENV *main_top_env;
148static HV *coro_state_stash, *coro_stash; 162static HV *coro_state_stash, *coro_stash;
149static SV *coro_mortal; /* will be freed after next transfer */ 163static volatile SV *coro_mortal; /* will be freed after next transfer */
150 164
151static GV *irsgv; /* $/ */ 165static GV *irsgv; /* $/ */
152static GV *stdoutgv; /* *STDOUT */ 166static GV *stdoutgv; /* *STDOUT */
167static SV *rv_diehook;
168static SV *rv_warnhook;
169static HV *hv_sig; /* %SIG */
153 170
154/* async_pool helper stuff */ 171/* async_pool helper stuff */
155static SV *sv_pool_rss; 172static SV *sv_pool_rss;
156static SV *sv_pool_size; 173static SV *sv_pool_size;
157static AV *av_async_pool; 174static AV *av_async_pool;
215 232
216 /* process data */ 233 /* process data */
217 AV *mainstack; 234 AV *mainstack;
218 perl_slots *slot; /* basically the saved sp */ 235 perl_slots *slot; /* basically the saved sp */
219 236
220 /* data associated with this coroutine (initial args) */ 237 AV *args; /* data associated with this coroutine (initial args) */
221 AV *args; 238 int refcnt; /* coroutines are refcounted, yes */
222 int refcnt;
223 int flags; /* CF_ flags */ 239 int flags; /* CF_ flags */
240 HV *hv; /* the perl hash associated with this coro, if any */
224 241
225 /* statistics */ 242 /* statistics */
226 int usecount; /* number of transfers to this coro */ 243 int usecount; /* number of transfers to this coro */
227 244
228 /* coro process data */ 245 /* coro process data */
229 int prio; 246 int prio;
230 SV *throw; 247 SV *throw; /* exception to be thrown */
231 248
232 /* async_pool */ 249 /* async_pool */
233 SV *saved_deffh; 250 SV *saved_deffh;
234 251
235 /* linked list */ 252 /* linked list */
236 struct coro *next, *prev; 253 struct coro *next, *prev;
237 HV *hv; /* the perl hash associated with this coro, if any */
238}; 254};
239 255
240typedef struct coro *Coro__State; 256typedef struct coro *Coro__State;
241typedef struct coro *Coro__State_or_hashref; 257typedef struct coro *Coro__State_or_hashref;
242 258
255static int coro_nready; 271static int coro_nready;
256static struct coro *coro_first; 272static struct coro *coro_first;
257 273
258/** lowlevel stuff **********************************************************/ 274/** lowlevel stuff **********************************************************/
259 275
276static SV *
277coro_get_sv (pTHX_ const char *name, int create)
278{
279#if PERL_VERSION_ATLEAST (5,10,0)
280 /* silence stupid and wrong 5.10 warning that I am unable to switch off */
281 get_sv (name, create);
282#endif
283 return get_sv (name, create);
284}
285
286static AV *
287coro_get_av (pTHX_ const char *name, int create)
288{
289#if PERL_VERSION_ATLEAST (5,10,0)
290 /* silence stupid and wrong 5.10 warning that I am unable to switch off */
291 get_av (name, create);
292#endif
293 return get_av (name, create);
294}
295
296static HV *
297coro_get_hv (pTHX_ const char *name, int create)
298{
299#if PERL_VERSION_ATLEAST (5,10,0)
300 /* silence stupid and wrong 5.10 warning that I am unable to switch off */
301 get_hv (name, create);
302#endif
303 return get_hv (name, create);
304}
305
260static AV * 306static AV *
261coro_clone_padlist (pTHX_ CV *cv) 307coro_clone_padlist (pTHX_ CV *cv)
262{ 308{
263 AV *padlist = CvPADLIST (cv); 309 AV *padlist = CvPADLIST (cv);
264 AV *newpadlist, *newpad; 310 AV *newpadlist, *newpad;
265 311
266 newpadlist = newAV (); 312 newpadlist = newAV ();
267 AvREAL_off (newpadlist); 313 AvREAL_off (newpadlist);
268#if PERL_VERSION_ATLEAST (5,9,0) 314#if PERL_VERSION_ATLEAST (5,10,0)
269 Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1); 315 Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);
270#else 316#else
271 Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); 317 Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
272#endif 318#endif
273 newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; 319 newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
311 357
312 /* casting is fun. */ 358 /* casting is fun. */
313 while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) 359 while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av)))
314 free_padlist (aTHX_ padlist); 360 free_padlist (aTHX_ padlist);
315 361
316 SvREFCNT_dec (av);
317
318 return 0; 362 return 0;
319} 363}
320 364
321#define PERL_MAGIC_coro PERL_MAGIC_ext 365#define CORO_MAGIC_type_cv PERL_MAGIC_ext
366#define CORO_MAGIC_type_state PERL_MAGIC_ext
322 367
323static MGVTBL vtbl_coro = {0, 0, 0, 0, coro_cv_free}; 368static MGVTBL coro_cv_vtbl = {
369 0, 0, 0, 0,
370 coro_cv_free
371};
324 372
325#define CORO_MAGIC(cv) \ 373#define CORO_MAGIC(sv,type) \
326 SvMAGIC (cv) \ 374 SvMAGIC (sv) \
327 ? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \ 375 ? SvMAGIC (sv)->mg_type == type \
328 ? SvMAGIC (cv) \ 376 ? SvMAGIC (sv) \
329 : mg_find ((SV *)cv, PERL_MAGIC_coro) \ 377 : mg_find (sv, type) \
330 : 0 378 : 0
379
380#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
381#define CORO_MAGIC_state(sv) CORO_MAGIC (((SV *)(sv)), CORO_MAGIC_type_state)
331 382
332static struct coro * 383static struct coro *
333SvSTATE_ (pTHX_ SV *coro) 384SvSTATE_ (pTHX_ SV *coro)
334{ 385{
335 HV *stash; 386 HV *stash;
347 /* very slow, but rare, check */ 398 /* very slow, but rare, check */
348 if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) 399 if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
349 croak ("Coro::State object required"); 400 croak ("Coro::State object required");
350 } 401 }
351 402
352 mg = CORO_MAGIC (coro); 403 mg = CORO_MAGIC_state (coro);
353 return (struct coro *)mg->mg_ptr; 404 return (struct coro *)mg->mg_ptr;
354} 405}
355 406
356#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) 407#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
357 408
358/* the next two functions merely cache the padlists */ 409/* the next two functions merely cache the padlists */
359static void 410static void
360get_padlist (pTHX_ CV *cv) 411get_padlist (pTHX_ CV *cv)
361{ 412{
362 MAGIC *mg = CORO_MAGIC (cv); 413 MAGIC *mg = CORO_MAGIC_cv (cv);
363 AV *av; 414 AV *av;
364 415
365 if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) 416 if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))
366 CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; 417 CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
367 else 418 else
379} 430}
380 431
381static void 432static void
382put_padlist (pTHX_ CV *cv) 433put_padlist (pTHX_ CV *cv)
383{ 434{
384 MAGIC *mg = CORO_MAGIC (cv); 435 MAGIC *mg = CORO_MAGIC_cv (cv);
385 AV *av; 436 AV *av;
386 437
387 if (expect_false (!mg)) 438 if (expect_false (!mg))
388 { 439 mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);
389 sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0);
390 mg = mg_find ((SV *)cv, PERL_MAGIC_coro);
391 mg->mg_virtual = &vtbl_coro;
392 mg->mg_obj = (SV *)newAV ();
393 }
394 440
395 av = (AV *)mg->mg_obj; 441 av = (AV *)mg->mg_obj;
396 442
397 if (expect_false (AvFILLp (av) >= AvMAX (av))) 443 if (expect_false (AvFILLp (av) >= AvMAX (av)))
398 av_extend (av, AvMAX (av) + 1); 444 av_extend (av, AvMAX (av) + 1);
485 531
486 PUTBACK; 532 PUTBACK;
487 } 533 }
488 534
489 /* allocate some space on the context stack for our purposes */ 535 /* allocate some space on the context stack for our purposes */
536 /* we manually unroll here, as usually 2 slots is enough */
537 if (SLOT_COUNT >= 1) CXINC;
538 if (SLOT_COUNT >= 2) CXINC;
539 if (SLOT_COUNT >= 3) CXINC;
490 { 540 {
491 /* we manually unroll here, as usually 2 slots is enough */
492 int i; 541 int i;
493 if (SLOT_COUNT >= 1) CXINC;
494 if (SLOT_COUNT >= 2) CXINC;
495 if (SLOT_COUNT >= 3) CXINC;
496 for (i = 3; i < SLOT_COUNT; ++i) 542 for (i = 3; i < SLOT_COUNT; ++i)
497 CXINC; 543 CXINC;
498
499 cxstack_ix -= SLOT_COUNT; /* undo allocation */
500 } 544 }
545 cxstack_ix -= SLOT_COUNT; /* undo allocation */
501 546
502 c->mainstack = PL_mainstack; 547 c->mainstack = PL_mainstack;
503 548
504 { 549 {
505 perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); 550 perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1);
555 600
556 New(54,PL_savestack,24,ANY); 601 New(54,PL_savestack,24,ANY);
557 PL_savestack_ix = 0; 602 PL_savestack_ix = 0;
558 PL_savestack_max = 24; 603 PL_savestack_max = 24;
559 604
560#if !PERL_VERSION_ATLEAST (5,9,0) 605#if !PERL_VERSION_ATLEAST (5,10,0)
561 New(54,PL_retstack,4,OP*); 606 New(54,PL_retstack,4,OP*);
562 PL_retstack_ix = 0; 607 PL_retstack_ix = 0;
563 PL_retstack_max = 4; 608 PL_retstack_max = 4;
564#endif 609#endif
565} 610}
588 633
589 Safefree (PL_tmps_stack); 634 Safefree (PL_tmps_stack);
590 Safefree (PL_markstack); 635 Safefree (PL_markstack);
591 Safefree (PL_scopestack); 636 Safefree (PL_scopestack);
592 Safefree (PL_savestack); 637 Safefree (PL_savestack);
593#if !PERL_VERSION_ATLEAST (5,9,0) 638#if !PERL_VERSION_ATLEAST (5,10,0)
594 Safefree (PL_retstack); 639 Safefree (PL_retstack);
595#endif 640#endif
596} 641}
597 642
598static size_t 643static size_t
622 rss += slot->tmps_max * sizeof (SV *); 667 rss += slot->tmps_max * sizeof (SV *);
623 rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32); 668 rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
624 rss += slot->scopestack_max * sizeof (I32); 669 rss += slot->scopestack_max * sizeof (I32);
625 rss += slot->savestack_max * sizeof (ANY); 670 rss += slot->savestack_max * sizeof (ANY);
626 671
627#if !PERL_VERSION_ATLEAST (5,9,0) 672#if !PERL_VERSION_ATLEAST (5,10,0)
628 rss += slot->retstack_max * sizeof (OP *); 673 rss += slot->retstack_max * sizeof (OP *);
629#endif 674#endif
630 } 675 }
631 676
632 return rss; 677 return rss;
633} 678}
634 679
635/** coroutine stack handling ************************************************/ 680/** coroutine stack handling ************************************************/
681
682static int (*orig_sigelem_get) (pTHX_ SV *sv, MAGIC *mg);
683static int (*orig_sigelem_set) (pTHX_ SV *sv, MAGIC *mg);
684
685/*
686 * This overrides the default magic get method of %SIG elements.
687 * The original one doesn't provide for reading back of PL_diehook/PL_warnhook
688 * and instead of tryign to save and restore the hash elements, we just provide
689 * readback here.
690 * We only do this when the hook is != 0, as they are often set to 0 temporarily,
691 * not expecting this to actually change the hook. This is a potential problem
692 * when a schedule happens then, but we ignore this.
693 */
694static int
695coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg)
696{
697 const char *s = MgPV_nolen_const (mg);
698
699 if (*s == '_')
700 {
701 if (strEQ (s, "__DIE__" ) && PL_diehook ) return sv_setsv (sv, PL_diehook ), 0;
702 if (strEQ (s, "__WARN__") && PL_warnhook) return sv_setsv (sv, PL_warnhook), 0;
703 }
704
705 return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0;
706}
707
708static int
709coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg)
710{
711 const char *s = MgPV_nolen_const (mg);
712
713 if (*s == '_')
714 {
715 SV **svp = 0;
716
717 if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
718 if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
719
720 if (svp)
721 {
722 SV *old = *svp;
723 *svp = newSVsv (sv);
724 SvREFCNT_dec (old);
725 return 0;
726 }
727 }
728
729 return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0;
730}
636 731
637static void 732static void
638coro_setup (pTHX_ struct coro *coro) 733coro_setup (pTHX_ struct coro *coro)
639{ 734{
640 /* 735 /*
649 PL_curpm = 0; 744 PL_curpm = 0;
650 PL_curpad = 0; 745 PL_curpad = 0;
651 PL_localizing = 0; 746 PL_localizing = 0;
652 PL_dirty = 0; 747 PL_dirty = 0;
653 PL_restartop = 0; 748 PL_restartop = 0;
654 PL_diehook = 0; 749#if PERL_VERSION_ATLEAST (5,10,0)
655 PL_warnhook = 0; 750 PL_parser = 0;
751#endif
752
753 /* recreate the die/warn hooks */
754 PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook );
755 PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook);
656 756
657 GvSV (PL_defgv) = newSV (0); 757 GvSV (PL_defgv) = newSV (0);
658 GvAV (PL_defgv) = coro->args; coro->args = 0; 758 GvAV (PL_defgv) = coro->args; coro->args = 0;
659 GvSV (PL_errgv) = newSV (0); 759 GvSV (PL_errgv) = newSV (0);
660 GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); 760 GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
675 PL_op = (OP *)&myop; 775 PL_op = (OP *)&myop;
676 PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); 776 PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
677 SPAGAIN; 777 SPAGAIN;
678 } 778 }
679 779
680 ENTER; /* necessary e.g. for dounwind and to balance the xsub-entersub */ 780 /* this newly created coroutine might be run on an existing cctx which most
781 * likely was suspended in set_stacklevel, called from entersub.
782 * set_stacklevl doesn't do anything on return, but entersub does LEAVE,
783 * so we ENTER here for symmetry
784 */
785 ENTER;
681} 786}
682 787
683static void 788static void
684coro_destroy (pTHX_ struct coro *coro) 789coro_destroy (pTHX_ struct coro *coro)
685{ 790{
806 SAVETMPS; 911 SAVETMPS;
807 EXTEND (SP, 3); 912 EXTEND (SP, 3);
808 PUSHMARK (SP); 913 PUSHMARK (SP);
809 PUSHs (&PL_sv_yes); 914 PUSHs (&PL_sv_yes);
810 PUSHs (fullname); 915 PUSHs (fullname);
811 PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef); 916 PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
812 PUTBACK; 917 PUTBACK;
813 cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); 918 cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
814 if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); 919 if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
815 SPAGAIN; 920 SPAGAIN;
816 FREETMPS; 921 FREETMPS;
852 957
853/* inject a fake call to Coro::State::_cctx_init into the execution */ 958/* inject a fake call to Coro::State::_cctx_init into the execution */
854/* _cctx_init should be careful, as it could be called at almost any time */ 959/* _cctx_init should be careful, as it could be called at almost any time */
855/* during execution of a perl program */ 960/* during execution of a perl program */
856static void NOINLINE 961static void NOINLINE
857prepare_cctx (pTHX_ coro_cctx *cctx) 962cctx_prepare (pTHX_ coro_cctx *cctx)
858{ 963{
859 dSP; 964 dSP;
860 LOGOP myop; 965 LOGOP myop;
861 966
862 PL_top_env = &PL_start_env; 967 PL_top_env = &PL_start_env;
880 985
881/* 986/*
882 * this is a _very_ stripped down perl interpreter ;) 987 * this is a _very_ stripped down perl interpreter ;)
883 */ 988 */
884static void 989static void
885coro_run (void *arg) 990cctx_run (void *arg)
886{ 991{
887 dTHX; 992 dTHX;
888 993
889 /* coro_run is the alternative tail of transfer(), so unlock here. */ 994 /* cctx_run is the alternative tail of transfer(), so unlock here. */
890 UNLOCK; 995 UNLOCK;
891 996
892 /* we now skip the entersub that lead to transfer() */ 997 /* we now skip the entersub that lead to transfer() */
893 PL_op = PL_op->op_next; 998 PL_op = PL_op->op_next;
894 999
895 /* inject a fake subroutine call to cctx_init */ 1000 /* inject a fake subroutine call to cctx_init */
896 prepare_cctx (aTHX_ (coro_cctx *)arg); 1001 cctx_prepare (aTHX_ (coro_cctx *)arg);
897 1002
898 /* somebody or something will hit me for both perl_run and PL_restartop */ 1003 /* somebody or something will hit me for both perl_run and PL_restartop */
899 PL_restartop = PL_op; 1004 PL_restartop = PL_op;
900 perl_run (PL_curinterp); 1005 perl_run (PL_curinterp);
901 1006
920 ++cctx_count; 1025 ++cctx_count;
921 1026
922 Newz (0, cctx, 1, coro_cctx); 1027 Newz (0, cctx, 1, coro_cctx);
923 1028
924#if HAVE_MMAP 1029#if HAVE_MMAP
925
926 cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; 1030 cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;
927 /* mmap supposedly does allocate-on-write for us */ 1031 /* mmap supposedly does allocate-on-write for us */
928 cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); 1032 cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0);
929 1033
930 if (cctx->sptr != (void *)-1) 1034 if (cctx->sptr != (void *)-1)
951 stack_start = cctx->sptr; 1055 stack_start = cctx->sptr;
952 stack_size = cctx->ssize; 1056 stack_size = cctx->ssize;
953 } 1057 }
954 1058
955 REGISTER_STACK (cctx, (char *)stack_start, (char *)stack_start + stack_size); 1059 REGISTER_STACK (cctx, (char *)stack_start, (char *)stack_start + stack_size);
956 coro_create (&cctx->cctx, coro_run, (void *)cctx, stack_start, stack_size); 1060 coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size);
957 1061
958 return cctx; 1062 return cctx;
959} 1063}
960 1064
961static void 1065static void
1033 croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states"); 1137 croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
1034 1138
1035 if (expect_false (next->flags & CF_DESTROYED)) 1139 if (expect_false (next->flags & CF_DESTROYED))
1036 croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states"); 1140 croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
1037 1141
1038 if (
1039#if PERL_VERSION_ATLEAST (5,9,0) 1142#if !PERL_VERSION_ATLEAST (5,10,0)
1040 expect_false (PL_parser)
1041#else
1042 expect_false (PL_lex_state != LEX_NOTPARSING) 1143 if (expect_false (PL_lex_state != LEX_NOTPARSING))
1043#endif
1044 )
1045 croak ("Coro::State::transfer called while parsing, but this is not supported"); 1144 croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version");
1145#endif
1046 } 1146 }
1047} 1147}
1048 1148
1049/* always use the TRANSFER macro */ 1149/* always use the TRANSFER macro */
1050static void NOINLINE 1150static void NOINLINE
1051transfer (pTHX_ struct coro *prev, struct coro *next) 1151transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx)
1052{ 1152{
1053 dSTACKLEVEL; 1153 dSTACKLEVEL;
1154 static volatile int has_throw;
1054 1155
1055 /* sometimes transfer is only called to set idle_sp */ 1156 /* sometimes transfer is only called to set idle_sp */
1056 if (expect_false (!next)) 1157 if (expect_false (!next))
1057 { 1158 {
1058 ((coro_cctx *)prev)->idle_sp = STACKLEVEL; 1159 ((coro_cctx *)prev)->idle_sp = STACKLEVEL;
1073 prev->flags &= ~CF_RUNNING; 1174 prev->flags &= ~CF_RUNNING;
1074 next->flags |= CF_RUNNING; 1175 next->flags |= CF_RUNNING;
1075 1176
1076 LOCK; 1177 LOCK;
1077 1178
1179 /* first get rid of the old state */
1180 save_perl (aTHX_ prev);
1181
1078 if (expect_false (next->flags & CF_NEW)) 1182 if (expect_false (next->flags & CF_NEW))
1079 { 1183 {
1080 /* need to start coroutine */ 1184 /* need to start coroutine */
1081 next->flags &= ~CF_NEW; 1185 next->flags &= ~CF_NEW;
1082 /* first get rid of the old state */
1083 save_perl (aTHX_ prev);
1084 /* setup coroutine call */ 1186 /* setup coroutine call */
1085 coro_setup (aTHX_ next); 1187 coro_setup (aTHX_ next);
1086 } 1188 }
1087 else 1189 else
1088 {
1089 /* coroutine already started */
1090 save_perl (aTHX_ prev);
1091 load_perl (aTHX_ next); 1190 load_perl (aTHX_ next);
1092 }
1093 1191
1094 prev__cctx = prev->cctx; 1192 prev__cctx = prev->cctx;
1095 1193
1096 /* possibly "free" the cctx */ 1194 /* possibly "free" the cctx */
1097 if (expect_true (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE))) 1195 if (expect_true (
1196 prev__cctx->idle_sp == STACKLEVEL
1197 && !(prev__cctx->flags & CC_TRACE)
1198 && !force_cctx
1199 ))
1098 { 1200 {
1099 /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */ 1201 /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */
1100 assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te)); 1202 assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
1101 1203
1102 prev->cctx = 0; 1204 prev->cctx = 0;
1103 1205
1104 /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */ 1206 /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */
1105 /* without this the next cctx_get might destroy the prev__cctx while still in use */ 1207 /* without this the next cctx_get might destroy the prev__cctx while still in use */
1106 if (expect_false (CCTX_EXPIRED (prev__cctx))) 1208 if (expect_false (CCTX_EXPIRED (prev__cctx)))
1209 if (!next->cctx)
1107 next->cctx = cctx_get (aTHX); 1210 next->cctx = cctx_get (aTHX);
1108 1211
1109 cctx_put (prev__cctx); 1212 cctx_put (prev__cctx);
1110 } 1213 }
1111 1214
1112 ++next->usecount; 1215 ++next->usecount;
1113 1216
1114 if (expect_true (!next->cctx)) 1217 if (expect_true (!next->cctx))
1115 next->cctx = cctx_get (aTHX); 1218 next->cctx = cctx_get (aTHX);
1219
1220 has_throw = !!next->throw;
1116 1221
1117 if (expect_false (prev__cctx != next->cctx)) 1222 if (expect_false (prev__cctx != next->cctx))
1118 { 1223 {
1119 prev__cctx->top_env = PL_top_env; 1224 prev__cctx->top_env = PL_top_env;
1120 PL_top_env = next->cctx->top_env; 1225 PL_top_env = next->cctx->top_env;
1122 } 1227 }
1123 1228
1124 free_coro_mortal (aTHX); 1229 free_coro_mortal (aTHX);
1125 UNLOCK; 1230 UNLOCK;
1126 1231
1127 if (expect_false (prev->throw || next->throw)) 1232 if (expect_false (has_throw))
1128 { 1233 {
1129 struct coro *coro = SvSTATE (coro_current); 1234 struct coro *coro = SvSTATE (coro_current);
1130 1235
1131 if (coro->throw) 1236 if (coro->throw)
1132 { 1237 {
1142struct transfer_args 1247struct transfer_args
1143{ 1248{
1144 struct coro *prev, *next; 1249 struct coro *prev, *next;
1145}; 1250};
1146 1251
1147#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next) 1252#define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx))
1148#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) 1253#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
1149 1254
1150/** high level stuff ********************************************************/ 1255/** high level stuff ********************************************************/
1151 1256
1152static int 1257static int
1246{ 1351{
1247 dTHX; 1352 dTHX;
1248 struct transfer_args ta; 1353 struct transfer_args ta;
1249 1354
1250 prepare_transfer (aTHX_ &ta, prev_sv, next_sv); 1355 prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1251 TRANSFER (ta); 1356 TRANSFER (ta, 1);
1252} 1357}
1253 1358
1254/** Coro ********************************************************************/ 1359/** Coro ********************************************************************/
1255 1360
1256static void 1361static void
1258{ 1363{
1259 av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv); 1364 av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv);
1260} 1365}
1261 1366
1262static SV * 1367static SV *
1263coro_deq (pTHX_ int min_prio) 1368coro_deq (pTHX)
1264{ 1369{
1265 int prio = PRIO_MAX - PRIO_MIN; 1370 int prio;
1266 1371
1267 min_prio -= PRIO_MIN;
1268 if (min_prio < 0)
1269 min_prio = 0;
1270
1271 for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= min_prio; ) 1372 for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; )
1272 if (AvFILLp (coro_ready [prio]) >= 0) 1373 if (AvFILLp (coro_ready [prio]) >= 0)
1273 return av_shift (coro_ready [prio]); 1374 return av_shift (coro_ready [prio]);
1274 1375
1275 return 0; 1376 return 0;
1276} 1377}
1312 SV *prev_sv, *next_sv; 1413 SV *prev_sv, *next_sv;
1313 1414
1314 for (;;) 1415 for (;;)
1315 { 1416 {
1316 LOCK; 1417 LOCK;
1317 next_sv = coro_deq (aTHX_ PRIO_MIN); 1418 next_sv = coro_deq (aTHX);
1318 1419
1319 /* nothing to schedule: call the idle handler */ 1420 /* nothing to schedule: call the idle handler */
1320 if (expect_false (!next_sv)) 1421 if (expect_false (!next_sv))
1321 { 1422 {
1322 dSP; 1423 dSP;
1326 SAVETMPS; 1427 SAVETMPS;
1327 1428
1328 PUSHMARK (SP); 1429 PUSHMARK (SP);
1329 PUTBACK; 1430 PUTBACK;
1330 call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD); 1431 call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD);
1432 SPAGAIN;
1331 1433
1332 FREETMPS; 1434 FREETMPS;
1333 LEAVE; 1435 LEAVE;
1334 continue; 1436 continue;
1335 } 1437 }
1390{ 1492{
1391 dTHX; 1493 dTHX;
1392 struct transfer_args ta; 1494 struct transfer_args ta;
1393 1495
1394 prepare_schedule (aTHX_ &ta); 1496 prepare_schedule (aTHX_ &ta);
1395 TRANSFER (ta); 1497 TRANSFER (ta, 1);
1396} 1498}
1397 1499
1398static int 1500static int
1399api_cede (void) 1501api_cede (void)
1400{ 1502{
1403 1505
1404 prepare_cede (aTHX_ &ta); 1506 prepare_cede (aTHX_ &ta);
1405 1507
1406 if (expect_true (ta.prev != ta.next)) 1508 if (expect_true (ta.prev != ta.next))
1407 { 1509 {
1408 TRANSFER (ta); 1510 TRANSFER (ta, 1);
1409 return 1; 1511 return 1;
1410 } 1512 }
1411 else 1513 else
1412 return 0; 1514 return 0;
1413} 1515}
1418 dTHX; 1520 dTHX;
1419 struct transfer_args ta; 1521 struct transfer_args ta;
1420 1522
1421 if (prepare_cede_notself (aTHX_ &ta)) 1523 if (prepare_cede_notself (aTHX_ &ta))
1422 { 1524 {
1423 TRANSFER (ta); 1525 TRANSFER (ta, 1);
1424 return 1; 1526 return 1;
1425 } 1527 }
1426 else 1528 else
1427 return 0; 1529 return 0;
1428} 1530}
1465 BOOT_PAGESIZE; 1567 BOOT_PAGESIZE;
1466 1568
1467 irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); 1569 irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV);
1468 stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); 1570 stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO);
1469 1571
1572 orig_sigelem_get = PL_vtbl_sigelem.svt_get;
1573 PL_vtbl_sigelem.svt_get = coro_sigelem_get;
1574 orig_sigelem_set = PL_vtbl_sigelem.svt_set;
1575 PL_vtbl_sigelem.svt_set = coro_sigelem_set;
1576
1577 hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);
1578 rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));
1579 rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));
1580
1470 coro_state_stash = gv_stashpv ("Coro::State", TRUE); 1581 coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1471 1582
1472 newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE)); 1583 newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1473 newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB)); 1584 newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
1474 newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE)); 1585 newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE));
1479 1590
1480 while (main_top_env->je_prev) 1591 while (main_top_env->je_prev)
1481 main_top_env = main_top_env->je_prev; 1592 main_top_env = main_top_env->je_prev;
1482 1593
1483 coroapi.ver = CORO_API_VERSION; 1594 coroapi.ver = CORO_API_VERSION;
1595 coroapi.rev = CORO_API_REVISION;
1484 coroapi.transfer = api_transfer; 1596 coroapi.transfer = api_transfer;
1485 1597
1486 assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); 1598 assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
1487} 1599}
1488 1600
1489SV * 1601SV *
1490new (char *klass, ...) 1602new (char *klass, ...)
1491 CODE: 1603 CODE:
1492{ 1604{
1493 struct coro *coro; 1605 struct coro *coro;
1606 MAGIC *mg;
1494 HV *hv; 1607 HV *hv;
1495 int i; 1608 int i;
1496 1609
1497 Newz (0, coro, 1, struct coro); 1610 Newz (0, coro, 1, struct coro);
1498 coro->args = newAV (); 1611 coro->args = newAV ();
1501 if (coro_first) coro_first->prev = coro; 1614 if (coro_first) coro_first->prev = coro;
1502 coro->next = coro_first; 1615 coro->next = coro_first;
1503 coro_first = coro; 1616 coro_first = coro;
1504 1617
1505 coro->hv = hv = newHV (); 1618 coro->hv = hv = newHV ();
1506 sv_magicext ((SV *)hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char *)coro, 0)->mg_flags |= MGf_DUP; 1619 mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0);
1620 mg->mg_flags |= MGf_DUP;
1507 RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); 1621 RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1508 1622
1509 av_extend (coro->args, items - 1); 1623 av_extend (coro->args, items - 1);
1510 for (i = 1; i < items; i++) 1624 for (i = 1; i < items; i++)
1511 av_push (coro->args, newSVsv (ST (i))); 1625 av_push (coro->args, newSVsv (ST (i)));
1525 Coro::cede_notself = 4 1639 Coro::cede_notself = 4
1526 CODE: 1640 CODE:
1527{ 1641{
1528 struct transfer_args ta; 1642 struct transfer_args ta;
1529 1643
1644 PUTBACK;
1530 switch (ix) 1645 switch (ix)
1531 { 1646 {
1532 case 0: 1647 case 0:
1533 ta.prev = (struct coro *)INT2PTR (coro_cctx *, SvIV (ST (0))); 1648 ta.prev = (struct coro *)INT2PTR (coro_cctx *, SvIV (ST (0)));
1534 ta.next = 0; 1649 ta.next = 0;
1553 if (!prepare_cede_notself (aTHX_ &ta)) 1668 if (!prepare_cede_notself (aTHX_ &ta))
1554 XSRETURN_EMPTY; 1669 XSRETURN_EMPTY;
1555 1670
1556 break; 1671 break;
1557 } 1672 }
1673 SPAGAIN;
1558 1674
1559 BARRIER; 1675 BARRIER;
1676 PUTBACK;
1560 TRANSFER (ta); 1677 TRANSFER (ta, 0);
1561 1678 SPAGAIN; /* might be the sp of a different coroutine now */
1562 if (expect_false (GIMME_V != G_VOID && ta.next != ta.prev)) 1679 /* be extra careful not to ever do anything after TRANSFER */
1563 XSRETURN_YES;
1564} 1680}
1565 1681
1566bool 1682bool
1567_destroy (SV *coro_sv) 1683_destroy (SV *coro_sv)
1568 CODE: 1684 CODE:
1620 { 1736 {
1621 struct coro temp; 1737 struct coro temp;
1622 1738
1623 if (!(coro->flags & CF_RUNNING)) 1739 if (!(coro->flags & CF_RUNNING))
1624 { 1740 {
1741 PUTBACK;
1625 save_perl (aTHX_ &temp); 1742 save_perl (aTHX_ &temp);
1626 load_perl (aTHX_ coro); 1743 load_perl (aTHX_ coro);
1627 } 1744 }
1628 1745
1629 { 1746 {
1630 dSP; 1747 dSP;
1631 ENTER; 1748 ENTER;
1632 SAVETMPS; 1749 SAVETMPS;
1750 PUTBACK;
1751 PUSHSTACK;
1633 PUSHMARK (SP); 1752 PUSHMARK (SP);
1634 PUTBACK;
1635 1753
1636 if (ix) 1754 if (ix)
1637 eval_sv (coderef, 0); 1755 eval_sv (coderef, 0);
1638 else 1756 else
1639 call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); 1757 call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
1640 1758
1759 POPSTACK;
1641 SPAGAIN; 1760 SPAGAIN;
1642 FREETMPS; 1761 FREETMPS;
1643 LEAVE; 1762 LEAVE;
1644 PUTBACK; 1763 PUTBACK;
1645 } 1764 }
1646 1765
1647 if (!(coro->flags & CF_RUNNING)) 1766 if (!(coro->flags & CF_RUNNING))
1648 { 1767 {
1649 save_perl (aTHX_ coro); 1768 save_perl (aTHX_ coro);
1650 load_perl (aTHX_ &temp); 1769 load_perl (aTHX_ &temp);
1770 SPAGAIN;
1651 } 1771 }
1652 } 1772 }
1653} 1773}
1654 1774
1655SV * 1775SV *
1696 case 1: RETVAL = coro->usecount; break; 1816 case 1: RETVAL = coro->usecount; break;
1697 } 1817 }
1698 OUTPUT: 1818 OUTPUT:
1699 RETVAL 1819 RETVAL
1700 1820
1821void
1822force_cctx ()
1823 CODE:
1824 struct coro *coro = SvSTATE (coro_current);
1825 coro->cctx->idle_sp = 0;
1701 1826
1702MODULE = Coro::State PACKAGE = Coro 1827MODULE = Coro::State PACKAGE = Coro
1703 1828
1704BOOT: 1829BOOT:
1705{ 1830{
1706 int i; 1831 int i;
1707 1832
1708 sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE); 1833 sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
1709 get_sv ("Coro::POOL_RSS" , TRUE); /* silence stupid 5.10 warning */
1710 sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE); 1834 sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
1711 get_sv ("Coro::POOL_SIZE" , TRUE); /* silence stupid 5.10 warning */
1712 av_async_pool = get_av ("Coro::async_pool", TRUE); 1835 av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
1713 get_av ("Coro::async_pool", TRUE); /* silence stupid 5.10 warning */
1714 1836
1715 coro_current = get_sv ("Coro::current", FALSE); 1837 coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);
1716 SvREADONLY_on (coro_current); 1838 SvREADONLY_on (coro_current);
1717 1839
1718 coro_stash = gv_stashpv ("Coro", TRUE); 1840 coro_stash = gv_stashpv ("Coro", TRUE);
1719 1841
1720 newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); 1842 newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
1795 PROTOTYPE: $;$ 1917 PROTOTYPE: $;$
1796 CODE: 1918 CODE:
1797 SvREFCNT_dec (self->throw); 1919 SvREFCNT_dec (self->throw);
1798 self->throw = SvOK (throw) ? newSVsv (throw) : 0; 1920 self->throw = SvOK (throw) ? newSVsv (throw) : 0;
1799 1921
1922void
1923swap_defsv (Coro::State self)
1924 PROTOTYPE: $
1925 ALIAS:
1926 swap_defav = 1
1927 CODE:
1928 if (!self->slot)
1929 croak ("cannot swap state with coroutine that has no saved state");
1930 else
1931 {
1932 SV **src = ix ? (SV **)&GvAV (PL_defgv) : &GvSV (PL_defgv);
1933 SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv;
1934
1935 SV *tmp = *src; *src = *dst; *dst = tmp;
1936 }
1937
1800# for async_pool speedup 1938# for async_pool speedup
1801void 1939void
1802_pool_1 (SV *cb) 1940_pool_1 (SV *cb)
1803 CODE: 1941 CODE:
1804{ 1942{
1808 SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0); 1946 SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
1809 AV *invoke_av; 1947 AV *invoke_av;
1810 int i, len; 1948 int i, len;
1811 1949
1812 if (!invoke) 1950 if (!invoke)
1951 {
1952 SvREFCNT_dec (PL_diehook); PL_diehook = 0;
1813 croak ("\3async_pool terminate\2\n"); 1953 croak ("\3async_pool terminate\2\n");
1954 }
1814 1955
1815 SvREFCNT_dec (coro->saved_deffh); 1956 SvREFCNT_dec (coro->saved_deffh);
1816 coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv); 1957 coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);
1817 1958
1818 hv_store (hv, "desc", sizeof ("desc") - 1, 1959 hv_store (hv, "desc", sizeof ("desc") - 1,
1844 SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; 1985 SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh;
1845 coro->saved_deffh = 0; 1986 coro->saved_deffh = 0;
1846 1987
1847 if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss) 1988 if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1848 || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) 1989 || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
1990 {
1991 SvREFCNT_dec (PL_diehook); PL_diehook = 0;
1849 croak ("\3async_pool terminate\2\n"); 1992 croak ("\3async_pool terminate\2\n");
1993 }
1850 1994
1851 av_clear (GvAV (PL_defgv)); 1995 av_clear (GvAV (PL_defgv));
1852 hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1, 1996 hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
1853 newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0); 1997 newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
1854 1998

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines