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Comparing Coro/Coro/State.xs (file contents):
Revision 1.208 by root, Wed Oct 10 00:53:18 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
130#else 144#else
131# define LOCK (void)0 145# define LOCK (void)0
132# define UNLOCK (void)0 146# define UNLOCK (void)0
133#endif 147#endif
134 148
135#define strpair(const) const, sizeof (const) - 1
136
137/* helper storage struct for Coro::AIO */ 149/* helper storage struct for Coro::AIO */
138struct io_state 150struct io_state
139{ 151{
140 int errorno; 152 int errorno;
141 I32 laststype; 153 I32 laststype;
146static size_t coro_stacksize = CORO_STACKSIZE; 158static size_t coro_stacksize = CORO_STACKSIZE;
147static struct CoroAPI coroapi; 159static struct CoroAPI coroapi;
148static AV *main_mainstack; /* used to differentiate between $main and others */ 160static AV *main_mainstack; /* used to differentiate between $main and others */
149static JMPENV *main_top_env; 161static JMPENV *main_top_env;
150static HV *coro_state_stash, *coro_stash; 162static HV *coro_state_stash, *coro_stash;
151static SV *coro_mortal; /* will be freed after next transfer */ 163static volatile SV *coro_mortal; /* will be freed after next transfer */
152 164
153static GV *irsgv; /* $/ */ 165static GV *irsgv; /* $/ */
154static GV *stdoutgv; /* *STDOUT */ 166static GV *stdoutgv; /* *STDOUT */
155 167static SV *rv_diehook;
168static SV *rv_warnhook;
156static HV *hv_sig; /* %SIG */ 169static HV *hv_sig; /* %SIG */
157static SV *sv_diehook;
158static SV *sv_warnhook;
159 170
160/* async_pool helper stuff */ 171/* async_pool helper stuff */
161static SV *sv_pool_rss; 172static SV *sv_pool_rss;
162static SV *sv_pool_size; 173static SV *sv_pool_size;
163static AV *av_async_pool; 174static AV *av_async_pool;
261static struct coro *coro_first; 272static struct coro *coro_first;
262 273
263/** lowlevel stuff **********************************************************/ 274/** lowlevel stuff **********************************************************/
264 275
265static SV * 276static SV *
266coro_get_sv (const char *name, int create) 277coro_get_sv (pTHX_ const char *name, int create)
267{ 278{
268#if PERL_VERSION_ATLEAST (5,9,0) 279#if PERL_VERSION_ATLEAST (5,10,0)
269 /* silence stupid and wrong 5.10 warning that I am unable to switch off */ 280 /* silence stupid and wrong 5.10 warning that I am unable to switch off */
270 get_sv (name, create); 281 get_sv (name, create);
271#endif 282#endif
272 return get_sv (name, create); 283 return get_sv (name, create);
273} 284}
274 285
275static AV * 286static AV *
276coro_get_av (const char *name, int create) 287coro_get_av (pTHX_ const char *name, int create)
277{ 288{
278#if PERL_VERSION_ATLEAST (5,9,0) 289#if PERL_VERSION_ATLEAST (5,10,0)
279 /* silence stupid and wrong 5.10 warning that I am unable to switch off */ 290 /* silence stupid and wrong 5.10 warning that I am unable to switch off */
280 get_av (name, create); 291 get_av (name, create);
281#endif 292#endif
282 return get_av (name, create); 293 return get_av (name, create);
283} 294}
284 295
285static HV * 296static HV *
286coro_get_hv (const char *name, int create) 297coro_get_hv (pTHX_ const char *name, int create)
287{ 298{
288#if PERL_VERSION_ATLEAST (5,9,0) 299#if PERL_VERSION_ATLEAST (5,10,0)
289 /* silence stupid and wrong 5.10 warning that I am unable to switch off */ 300 /* silence stupid and wrong 5.10 warning that I am unable to switch off */
290 get_hv (name, create); 301 get_hv (name, create);
291#endif 302#endif
292 return get_hv (name, create); 303 return get_hv (name, create);
293} 304}
298 AV *padlist = CvPADLIST (cv); 309 AV *padlist = CvPADLIST (cv);
299 AV *newpadlist, *newpad; 310 AV *newpadlist, *newpad;
300 311
301 newpadlist = newAV (); 312 newpadlist = newAV ();
302 AvREAL_off (newpadlist); 313 AvREAL_off (newpadlist);
303#if PERL_VERSION_ATLEAST (5,9,0) 314#if PERL_VERSION_ATLEAST (5,10,0)
304 Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1); 315 Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);
305#else 316#else
306 Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); 317 Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
307#endif 318#endif
308 newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; 319 newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
346 357
347 /* casting is fun. */ 358 /* casting is fun. */
348 while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) 359 while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av)))
349 free_padlist (aTHX_ padlist); 360 free_padlist (aTHX_ padlist);
350 361
351 SvREFCNT_dec (av);
352
353 return 0; 362 return 0;
354} 363}
355 364
356#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
357 367
358static 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};
359 372
360#define CORO_MAGIC(cv) \ 373#define CORO_MAGIC(sv,type) \
361 SvMAGIC (cv) \ 374 SvMAGIC (sv) \
362 ? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \ 375 ? SvMAGIC (sv)->mg_type == type \
363 ? SvMAGIC (cv) \ 376 ? SvMAGIC (sv) \
364 : mg_find ((SV *)cv, PERL_MAGIC_coro) \ 377 : mg_find (sv, type) \
365 : 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)
366 382
367static struct coro * 383static struct coro *
368SvSTATE_ (pTHX_ SV *coro) 384SvSTATE_ (pTHX_ SV *coro)
369{ 385{
370 HV *stash; 386 HV *stash;
382 /* very slow, but rare, check */ 398 /* very slow, but rare, check */
383 if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) 399 if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
384 croak ("Coro::State object required"); 400 croak ("Coro::State object required");
385 } 401 }
386 402
387 mg = CORO_MAGIC (coro); 403 mg = CORO_MAGIC_state (coro);
388 return (struct coro *)mg->mg_ptr; 404 return (struct coro *)mg->mg_ptr;
389} 405}
390 406
391#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) 407#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
392 408
393/* the next two functions merely cache the padlists */ 409/* the next two functions merely cache the padlists */
394static void 410static void
395get_padlist (pTHX_ CV *cv) 411get_padlist (pTHX_ CV *cv)
396{ 412{
397 MAGIC *mg = CORO_MAGIC (cv); 413 MAGIC *mg = CORO_MAGIC_cv (cv);
398 AV *av; 414 AV *av;
399 415
400 if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) 416 if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))
401 CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; 417 CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
402 else 418 else
414} 430}
415 431
416static void 432static void
417put_padlist (pTHX_ CV *cv) 433put_padlist (pTHX_ CV *cv)
418{ 434{
419 MAGIC *mg = CORO_MAGIC (cv); 435 MAGIC *mg = CORO_MAGIC_cv (cv);
420 AV *av; 436 AV *av;
421 437
422 if (expect_false (!mg)) 438 if (expect_false (!mg))
423 { 439 mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);
424 sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0);
425 mg = mg_find ((SV *)cv, PERL_MAGIC_coro);
426 mg->mg_virtual = &vtbl_coro;
427 mg->mg_obj = (SV *)newAV ();
428 }
429 440
430 av = (AV *)mg->mg_obj; 441 av = (AV *)mg->mg_obj;
431 442
432 if (expect_false (AvFILLp (av) >= AvMAX (av))) 443 if (expect_false (AvFILLp (av) >= AvMAX (av)))
433 av_extend (av, AvMAX (av) + 1); 444 av_extend (av, AvMAX (av) + 1);
451 GvSV (irsgv) = slot->irsgv; 462 GvSV (irsgv) = slot->irsgv;
452 463
453 #define VAR(name,type) PL_ ## name = slot->name; 464 #define VAR(name,type) PL_ ## name = slot->name;
454 # include "state.h" 465 # include "state.h"
455 #undef VAR 466 #undef VAR
456
457 /*hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0);*/
458 /*hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0);*/
459 467
460 { 468 {
461 dSP; 469 dSP;
462 470
463 CV *cv; 471 CV *cv;
592 600
593 New(54,PL_savestack,24,ANY); 601 New(54,PL_savestack,24,ANY);
594 PL_savestack_ix = 0; 602 PL_savestack_ix = 0;
595 PL_savestack_max = 24; 603 PL_savestack_max = 24;
596 604
597#if !PERL_VERSION_ATLEAST (5,9,0) 605#if !PERL_VERSION_ATLEAST (5,10,0)
598 New(54,PL_retstack,4,OP*); 606 New(54,PL_retstack,4,OP*);
599 PL_retstack_ix = 0; 607 PL_retstack_ix = 0;
600 PL_retstack_max = 4; 608 PL_retstack_max = 4;
601#endif 609#endif
602} 610}
625 633
626 Safefree (PL_tmps_stack); 634 Safefree (PL_tmps_stack);
627 Safefree (PL_markstack); 635 Safefree (PL_markstack);
628 Safefree (PL_scopestack); 636 Safefree (PL_scopestack);
629 Safefree (PL_savestack); 637 Safefree (PL_savestack);
630#if !PERL_VERSION_ATLEAST (5,9,0) 638#if !PERL_VERSION_ATLEAST (5,10,0)
631 Safefree (PL_retstack); 639 Safefree (PL_retstack);
632#endif 640#endif
633} 641}
634 642
635static size_t 643static size_t
659 rss += slot->tmps_max * sizeof (SV *); 667 rss += slot->tmps_max * sizeof (SV *);
660 rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32); 668 rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
661 rss += slot->scopestack_max * sizeof (I32); 669 rss += slot->scopestack_max * sizeof (I32);
662 rss += slot->savestack_max * sizeof (ANY); 670 rss += slot->savestack_max * sizeof (ANY);
663 671
664#if !PERL_VERSION_ATLEAST (5,9,0) 672#if !PERL_VERSION_ATLEAST (5,10,0)
665 rss += slot->retstack_max * sizeof (OP *); 673 rss += slot->retstack_max * sizeof (OP *);
666#endif 674#endif
667 } 675 }
668 676
669 return rss; 677 return rss;
670} 678}
671 679
672/** 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}
673 731
674static void 732static void
675coro_setup (pTHX_ struct coro *coro) 733coro_setup (pTHX_ struct coro *coro)
676{ 734{
677 /* 735 /*
686 PL_curpm = 0; 744 PL_curpm = 0;
687 PL_curpad = 0; 745 PL_curpad = 0;
688 PL_localizing = 0; 746 PL_localizing = 0;
689 PL_dirty = 0; 747 PL_dirty = 0;
690 PL_restartop = 0; 748 PL_restartop = 0;
691 PL_diehook = 0; hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0); 749#if PERL_VERSION_ATLEAST (5,10,0)
692 PL_warnhook = 0; hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_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);
693 756
694 GvSV (PL_defgv) = newSV (0); 757 GvSV (PL_defgv) = newSV (0);
695 GvAV (PL_defgv) = coro->args; coro->args = 0; 758 GvAV (PL_defgv) = coro->args; coro->args = 0;
696 GvSV (PL_errgv) = newSV (0); 759 GvSV (PL_errgv) = newSV (0);
697 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);
712 PL_op = (OP *)&myop; 775 PL_op = (OP *)&myop;
713 PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); 776 PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
714 SPAGAIN; 777 SPAGAIN;
715 } 778 }
716 779
717 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;
718} 786}
719 787
720static void 788static void
721coro_destroy (pTHX_ struct coro *coro) 789coro_destroy (pTHX_ struct coro *coro)
722{ 790{
806 PUSHMARK (SP); 874 PUSHMARK (SP);
807 PUSHs (&PL_sv_no); 875 PUSHs (&PL_sv_no);
808 PUSHs (fullname); 876 PUSHs (fullname);
809 PUSHs (sv_2mortal (newRV_noinc ((SV *)av))); 877 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
810 PUTBACK; 878 PUTBACK;
811 cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_sub_cb"), 0); 879 cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
812 if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); 880 if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
813 SPAGAIN; 881 SPAGAIN;
814 FREETMPS; 882 FREETMPS;
815 LEAVE; 883 LEAVE;
816 PL_runops = runops_trace; 884 PL_runops = runops_trace;
843 SAVETMPS; 911 SAVETMPS;
844 EXTEND (SP, 3); 912 EXTEND (SP, 3);
845 PUSHMARK (SP); 913 PUSHMARK (SP);
846 PUSHs (&PL_sv_yes); 914 PUSHs (&PL_sv_yes);
847 PUSHs (fullname); 915 PUSHs (fullname);
848 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);
849 PUTBACK; 917 PUTBACK;
850 cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_sub_cb"), 0); 918 cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
851 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);
852 SPAGAIN; 920 SPAGAIN;
853 FREETMPS; 921 FREETMPS;
854 LEAVE; 922 LEAVE;
855 PL_runops = runops_trace; 923 PL_runops = runops_trace;
869 PL_runops = RUNOPS_DEFAULT; 937 PL_runops = RUNOPS_DEFAULT;
870 PUSHMARK (SP); 938 PUSHMARK (SP);
871 PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0))); 939 PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));
872 PUSHs (sv_2mortal (newSViv (CopLINE (oldcop)))); 940 PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));
873 PUTBACK; 941 PUTBACK;
874 cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_line_cb"), 0); 942 cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0);
875 if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); 943 if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
876 SPAGAIN; 944 SPAGAIN;
877 FREETMPS; 945 FREETMPS;
878 LEAVE; 946 LEAVE;
879 PL_runops = runops_trace; 947 PL_runops = runops_trace;
1069 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");
1070 1138
1071 if (expect_false (next->flags & CF_DESTROYED)) 1139 if (expect_false (next->flags & CF_DESTROYED))
1072 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");
1073 1141
1074 if (
1075#if PERL_VERSION_ATLEAST (5,9,0) 1142#if !PERL_VERSION_ATLEAST (5,10,0)
1076 expect_false (PL_parser)
1077#else
1078 expect_false (PL_lex_state != LEX_NOTPARSING) 1143 if (expect_false (PL_lex_state != LEX_NOTPARSING))
1079#endif
1080 )
1081 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
1082 } 1146 }
1083} 1147}
1084 1148
1085/* always use the TRANSFER macro */ 1149/* always use the TRANSFER macro */
1086static void NOINLINE 1150static void NOINLINE
1087transfer (pTHX_ struct coro *prev, struct coro *next) 1151transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx)
1088{ 1152{
1089 dSTACKLEVEL; 1153 dSTACKLEVEL;
1154 static volatile int has_throw;
1090 1155
1091 /* sometimes transfer is only called to set idle_sp */ 1156 /* sometimes transfer is only called to set idle_sp */
1092 if (expect_false (!next)) 1157 if (expect_false (!next))
1093 { 1158 {
1094 ((coro_cctx *)prev)->idle_sp = STACKLEVEL; 1159 ((coro_cctx *)prev)->idle_sp = STACKLEVEL;
1109 prev->flags &= ~CF_RUNNING; 1174 prev->flags &= ~CF_RUNNING;
1110 next->flags |= CF_RUNNING; 1175 next->flags |= CF_RUNNING;
1111 1176
1112 LOCK; 1177 LOCK;
1113 1178
1179 /* first get rid of the old state */
1180 save_perl (aTHX_ prev);
1181
1114 if (expect_false (next->flags & CF_NEW)) 1182 if (expect_false (next->flags & CF_NEW))
1115 { 1183 {
1116 /* need to start coroutine */ 1184 /* need to start coroutine */
1117 next->flags &= ~CF_NEW; 1185 next->flags &= ~CF_NEW;
1118 /* first get rid of the old state */
1119 save_perl (aTHX_ prev);
1120 /* setup coroutine call */ 1186 /* setup coroutine call */
1121 coro_setup (aTHX_ next); 1187 coro_setup (aTHX_ next);
1122 } 1188 }
1123 else 1189 else
1124 {
1125 /* coroutine already started */
1126 save_perl (aTHX_ prev);
1127 load_perl (aTHX_ next); 1190 load_perl (aTHX_ next);
1128 }
1129 1191
1130 prev__cctx = prev->cctx; 1192 prev__cctx = prev->cctx;
1131 1193
1132 /* possibly "free" the cctx */ 1194 /* possibly "free" the cctx */
1133 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 ))
1134 { 1200 {
1135 /* 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 */
1136 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));
1137 1203
1138 prev->cctx = 0; 1204 prev->cctx = 0;
1148 1214
1149 ++next->usecount; 1215 ++next->usecount;
1150 1216
1151 if (expect_true (!next->cctx)) 1217 if (expect_true (!next->cctx))
1152 next->cctx = cctx_get (aTHX); 1218 next->cctx = cctx_get (aTHX);
1219
1220 has_throw = !!next->throw;
1153 1221
1154 if (expect_false (prev__cctx != next->cctx)) 1222 if (expect_false (prev__cctx != next->cctx))
1155 { 1223 {
1156 prev__cctx->top_env = PL_top_env; 1224 prev__cctx->top_env = PL_top_env;
1157 PL_top_env = next->cctx->top_env; 1225 PL_top_env = next->cctx->top_env;
1159 } 1227 }
1160 1228
1161 free_coro_mortal (aTHX); 1229 free_coro_mortal (aTHX);
1162 UNLOCK; 1230 UNLOCK;
1163 1231
1164 if (expect_false (prev->throw || next->throw)) 1232 if (expect_false (has_throw))
1165 { 1233 {
1166 struct coro *coro = SvSTATE (coro_current); 1234 struct coro *coro = SvSTATE (coro_current);
1167 1235
1168 if (coro->throw) 1236 if (coro->throw)
1169 { 1237 {
1179struct transfer_args 1247struct transfer_args
1180{ 1248{
1181 struct coro *prev, *next; 1249 struct coro *prev, *next;
1182}; 1250};
1183 1251
1184#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next) 1252#define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx))
1185#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) 1253#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
1186 1254
1187/** high level stuff ********************************************************/ 1255/** high level stuff ********************************************************/
1188 1256
1189static int 1257static int
1283{ 1351{
1284 dTHX; 1352 dTHX;
1285 struct transfer_args ta; 1353 struct transfer_args ta;
1286 1354
1287 prepare_transfer (aTHX_ &ta, prev_sv, next_sv); 1355 prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1288 TRANSFER (ta); 1356 TRANSFER (ta, 1);
1289} 1357}
1290 1358
1291/** Coro ********************************************************************/ 1359/** Coro ********************************************************************/
1292 1360
1293static void 1361static void
1295{ 1363{
1296 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);
1297} 1365}
1298 1366
1299static SV * 1367static SV *
1300coro_deq (pTHX_ int min_prio) 1368coro_deq (pTHX)
1301{ 1369{
1302 int prio = PRIO_MAX - PRIO_MIN; 1370 int prio;
1303 1371
1304 min_prio -= PRIO_MIN;
1305 if (min_prio < 0)
1306 min_prio = 0;
1307
1308 for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= min_prio; ) 1372 for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; )
1309 if (AvFILLp (coro_ready [prio]) >= 0) 1373 if (AvFILLp (coro_ready [prio]) >= 0)
1310 return av_shift (coro_ready [prio]); 1374 return av_shift (coro_ready [prio]);
1311 1375
1312 return 0; 1376 return 0;
1313} 1377}
1349 SV *prev_sv, *next_sv; 1413 SV *prev_sv, *next_sv;
1350 1414
1351 for (;;) 1415 for (;;)
1352 { 1416 {
1353 LOCK; 1417 LOCK;
1354 next_sv = coro_deq (aTHX_ PRIO_MIN); 1418 next_sv = coro_deq (aTHX);
1355 1419
1356 /* nothing to schedule: call the idle handler */ 1420 /* nothing to schedule: call the idle handler */
1357 if (expect_false (!next_sv)) 1421 if (expect_false (!next_sv))
1358 { 1422 {
1359 dSP; 1423 dSP;
1363 SAVETMPS; 1427 SAVETMPS;
1364 1428
1365 PUSHMARK (SP); 1429 PUSHMARK (SP);
1366 PUTBACK; 1430 PUTBACK;
1367 call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD); 1431 call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD);
1432 SPAGAIN;
1368 1433
1369 FREETMPS; 1434 FREETMPS;
1370 LEAVE; 1435 LEAVE;
1371 continue; 1436 continue;
1372 } 1437 }
1427{ 1492{
1428 dTHX; 1493 dTHX;
1429 struct transfer_args ta; 1494 struct transfer_args ta;
1430 1495
1431 prepare_schedule (aTHX_ &ta); 1496 prepare_schedule (aTHX_ &ta);
1432 TRANSFER (ta); 1497 TRANSFER (ta, 1);
1433} 1498}
1434 1499
1435static int 1500static int
1436api_cede (void) 1501api_cede (void)
1437{ 1502{
1440 1505
1441 prepare_cede (aTHX_ &ta); 1506 prepare_cede (aTHX_ &ta);
1442 1507
1443 if (expect_true (ta.prev != ta.next)) 1508 if (expect_true (ta.prev != ta.next))
1444 { 1509 {
1445 TRANSFER (ta); 1510 TRANSFER (ta, 1);
1446 return 1; 1511 return 1;
1447 } 1512 }
1448 else 1513 else
1449 return 0; 1514 return 0;
1450} 1515}
1455 dTHX; 1520 dTHX;
1456 struct transfer_args ta; 1521 struct transfer_args ta;
1457 1522
1458 if (prepare_cede_notself (aTHX_ &ta)) 1523 if (prepare_cede_notself (aTHX_ &ta))
1459 { 1524 {
1460 TRANSFER (ta); 1525 TRANSFER (ta, 1);
1461 return 1; 1526 return 1;
1462 } 1527 }
1463 else 1528 else
1464 return 0; 1529 return 0;
1465} 1530}
1502 BOOT_PAGESIZE; 1567 BOOT_PAGESIZE;
1503 1568
1504 irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); 1569 irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV);
1505 stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); 1570 stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO);
1506 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
1507 hv_sig = coro_get_hv ("SIG", TRUE); 1577 hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);
1508 sv_diehook = coro_get_sv ("Coro::State::DIEHOOK" , TRUE); 1578 rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));
1509 sv_warnhook = coro_get_sv ("Coro::State::WARNHOOK", TRUE); 1579 rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));
1510
1511 if (!PL_diehook ) hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0);
1512 if (!PL_warnhook) hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0);
1513 1580
1514 coro_state_stash = gv_stashpv ("Coro::State", TRUE); 1581 coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1515 1582
1516 newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE)); 1583 newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1517 newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB)); 1584 newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
1523 1590
1524 while (main_top_env->je_prev) 1591 while (main_top_env->je_prev)
1525 main_top_env = main_top_env->je_prev; 1592 main_top_env = main_top_env->je_prev;
1526 1593
1527 coroapi.ver = CORO_API_VERSION; 1594 coroapi.ver = CORO_API_VERSION;
1595 coroapi.rev = CORO_API_REVISION;
1528 coroapi.transfer = api_transfer; 1596 coroapi.transfer = api_transfer;
1529 1597
1530 assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); 1598 assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
1531} 1599}
1532 1600
1533SV * 1601SV *
1534new (char *klass, ...) 1602new (char *klass, ...)
1535 CODE: 1603 CODE:
1536{ 1604{
1537 struct coro *coro; 1605 struct coro *coro;
1606 MAGIC *mg;
1538 HV *hv; 1607 HV *hv;
1539 int i; 1608 int i;
1540 1609
1541 Newz (0, coro, 1, struct coro); 1610 Newz (0, coro, 1, struct coro);
1542 coro->args = newAV (); 1611 coro->args = newAV ();
1545 if (coro_first) coro_first->prev = coro; 1614 if (coro_first) coro_first->prev = coro;
1546 coro->next = coro_first; 1615 coro->next = coro_first;
1547 coro_first = coro; 1616 coro_first = coro;
1548 1617
1549 coro->hv = hv = newHV (); 1618 coro->hv = hv = newHV ();
1550 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;
1551 RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); 1621 RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1552 1622
1553 av_extend (coro->args, items - 1); 1623 av_extend (coro->args, items - 1);
1554 for (i = 1; i < items; i++) 1624 for (i = 1; i < items; i++)
1555 av_push (coro->args, newSVsv (ST (i))); 1625 av_push (coro->args, newSVsv (ST (i)));
1561# function to increase chances that they all will call transfer with the same 1631# function to increase chances that they all will call transfer with the same
1562# stack offset 1632# stack offset
1563void 1633void
1564_set_stacklevel (...) 1634_set_stacklevel (...)
1565 ALIAS: 1635 ALIAS:
1566 Coro::State::transfer = 1 1636 Coro::State::transfer = 1
1567 Coro::schedule = 2 1637 Coro::schedule = 2
1568 Coro::cede = 3 1638 Coro::cede = 3
1569 Coro::cede_notself = 4 1639 Coro::cede_notself = 4
1570 Coro::Event::next = 5
1571 Coro::Event::next_cancel = 6
1572 PPCODE: 1640 CODE:
1573{ 1641{
1574 struct transfer_args ta; 1642 struct transfer_args ta;
1575 int again = 0;
1576 1643
1577 do 1644 PUTBACK;
1645 switch (ix)
1578 { 1646 {
1579 switch (ix)
1580 {
1581 case 0: 1647 case 0:
1582 ta.prev = (struct coro *)INT2PTR (coro_cctx *, SvIV (ST (0))); 1648 ta.prev = (struct coro *)INT2PTR (coro_cctx *, SvIV (ST (0)));
1583 ta.next = 0; 1649 ta.next = 0;
1584 break; 1650 break;
1585 1651
1586 case 1: 1652 case 1:
1587 if (items != 2) 1653 if (items != 2)
1588 croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items); 1654 croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items);
1589 1655
1590 prepare_transfer (aTHX_ &ta, ST (0), ST (1)); 1656 prepare_transfer (aTHX_ &ta, ST (0), ST (1));
1591 break; 1657 break;
1592 1658
1593 case 2: 1659 case 2:
1594 prepare_schedule (aTHX_ &ta); 1660 prepare_schedule (aTHX_ &ta);
1595 break; 1661 break;
1596 1662
1597 case 3: 1663 case 3:
1598 prepare_cede (aTHX_ &ta); 1664 prepare_cede (aTHX_ &ta);
1599 break; 1665 break;
1600 1666
1601 case 4: 1667 case 4:
1602 if (!prepare_cede_notself (aTHX_ &ta)) 1668 if (!prepare_cede_notself (aTHX_ &ta))
1603 XSRETURN_EMPTY; 1669 XSRETURN_EMPTY;
1604 1670
1605 break; 1671 break;
1606
1607 case 5:
1608 case 6:
1609 if (items != 1)
1610 croak ("Coro::Event::next (watcher) expects one argument, not %d", items);
1611
1612 {
1613 SV *ev = coroapi.coro_event_next (ST (0), ix == 6, GIMME_V != G_VOID);
1614
1615 if (ev)
1616 {
1617 if (GIMME_V != G_VOID)
1618 {
1619 XPUSHs (ev);
1620 XSRETURN (1);
1621 }
1622 else
1623 XSRETURN_EMPTY;
1624 }
1625 }
1626
1627 prepare_schedule (aTHX_ &ta);
1628 again = 1;
1629 break;
1630 }
1631
1632 BARRIER;
1633 TRANSFER (ta);
1634 BARRIER;
1635 } 1672 }
1636 while (again); 1673 SPAGAIN;
1637 1674
1638 if (expect_false (GIMME_V != G_VOID && ta.next != ta.prev)) 1675 BARRIER;
1639 XSRETURN_YES; 1676 PUTBACK;
1640 1677 TRANSFER (ta, 0);
1641 XSRETURN_EMPTY; /* not understood why this is necessary, likely some stack handling bug */ 1678 SPAGAIN; /* might be the sp of a different coroutine now */
1679 /* be extra careful not to ever do anything after TRANSFER */
1680}
1642 1681
1643bool 1682bool
1644_destroy (SV *coro_sv) 1683_destroy (SV *coro_sv)
1645 CODE: 1684 CODE:
1646 RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); 1685 RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));
1697 { 1736 {
1698 struct coro temp; 1737 struct coro temp;
1699 1738
1700 if (!(coro->flags & CF_RUNNING)) 1739 if (!(coro->flags & CF_RUNNING))
1701 { 1740 {
1741 PUTBACK;
1702 save_perl (aTHX_ &temp); 1742 save_perl (aTHX_ &temp);
1703 load_perl (aTHX_ coro); 1743 load_perl (aTHX_ coro);
1704 } 1744 }
1705 1745
1706 { 1746 {
1715 eval_sv (coderef, 0); 1755 eval_sv (coderef, 0);
1716 else 1756 else
1717 call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); 1757 call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
1718 1758
1719 POPSTACK; 1759 POPSTACK;
1760 SPAGAIN;
1720 FREETMPS; 1761 FREETMPS;
1721 LEAVE; 1762 LEAVE;
1763 PUTBACK;
1722 } 1764 }
1723 1765
1724 if (!(coro->flags & CF_RUNNING)) 1766 if (!(coro->flags & CF_RUNNING))
1725 { 1767 {
1726 save_perl (aTHX_ coro); 1768 save_perl (aTHX_ coro);
1727 load_perl (aTHX_ &temp); 1769 load_perl (aTHX_ &temp);
1770 SPAGAIN;
1728 } 1771 }
1729 } 1772 }
1730} 1773}
1731 1774
1732SV * 1775SV *
1773 case 1: RETVAL = coro->usecount; break; 1816 case 1: RETVAL = coro->usecount; break;
1774 } 1817 }
1775 OUTPUT: 1818 OUTPUT:
1776 RETVAL 1819 RETVAL
1777 1820
1821void
1822force_cctx ()
1823 CODE:
1824 struct coro *coro = SvSTATE (coro_current);
1825 coro->cctx->idle_sp = 0;
1778 1826
1779MODULE = Coro::State PACKAGE = Coro 1827MODULE = Coro::State PACKAGE = Coro
1780 1828
1781BOOT: 1829BOOT:
1782{ 1830{
1783 int i; 1831 int i;
1784 1832
1785 sv_pool_rss = coro_get_sv ("Coro::POOL_RSS" , TRUE); 1833 sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
1786 sv_pool_size = coro_get_sv ("Coro::POOL_SIZE" , TRUE); 1834 sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
1787 av_async_pool = coro_get_av ("Coro::async_pool", TRUE); 1835 av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
1788 1836
1789 coro_current = coro_get_sv ("Coro::current", FALSE); 1837 coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);
1790 SvREADONLY_on (coro_current); 1838 SvREADONLY_on (coro_current);
1791 1839
1792 coro_stash = gv_stashpv ("Coro", TRUE); 1840 coro_stash = gv_stashpv ("Coro", TRUE);
1793 1841
1794 newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); 1842 newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
1869 PROTOTYPE: $;$ 1917 PROTOTYPE: $;$
1870 CODE: 1918 CODE:
1871 SvREFCNT_dec (self->throw); 1919 SvREFCNT_dec (self->throw);
1872 self->throw = SvOK (throw) ? newSVsv (throw) : 0; 1920 self->throw = SvOK (throw) ? newSVsv (throw) : 0;
1873 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
1874# for async_pool speedup 1938# for async_pool speedup
1875void 1939void
1876_pool_1 (SV *cb) 1940_pool_1 (SV *cb)
1877 CODE: 1941 CODE:
1878{ 1942{
1879 struct coro *coro = SvSTATE (coro_current); 1943 struct coro *coro = SvSTATE (coro_current);
1880 HV *hv = (HV *)SvRV (coro_current); 1944 HV *hv = (HV *)SvRV (coro_current);
1881 AV *defav = GvAV (PL_defgv); 1945 AV *defav = GvAV (PL_defgv);
1882 SV *invoke = hv_delete (hv, strpair ("_invoke"), 0); 1946 SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
1883 AV *invoke_av; 1947 AV *invoke_av;
1884 int i, len; 1948 int i, len;
1885 1949
1886 if (!invoke) 1950 if (!invoke)
1951 {
1952 SvREFCNT_dec (PL_diehook); PL_diehook = 0;
1887 croak ("\3async_pool terminate\2\n"); 1953 croak ("\3async_pool terminate\2\n");
1954 }
1888 1955
1889 SvREFCNT_dec (coro->saved_deffh); 1956 SvREFCNT_dec (coro->saved_deffh);
1890 coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv); 1957 coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);
1891 1958
1892 hv_store (hv, "desc", sizeof ("desc") - 1, 1959 hv_store (hv, "desc", sizeof ("desc") - 1,
1893 newSVpvn (strpair ("[async_pool]")), 0); 1960 newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
1894 1961
1895 invoke_av = (AV *)SvRV (invoke); 1962 invoke_av = (AV *)SvRV (invoke);
1896 len = av_len (invoke_av); 1963 len = av_len (invoke_av);
1897 1964
1898 sv_setsv (cb, AvARRAY (invoke_av)[0]); 1965 sv_setsv (cb, AvARRAY (invoke_av)[0]);
1918 SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; 1985 SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh;
1919 coro->saved_deffh = 0; 1986 coro->saved_deffh = 0;
1920 1987
1921 if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss) 1988 if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1922 || 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;
1923 croak ("\3async_pool terminate\2\n"); 1992 croak ("\3async_pool terminate\2\n");
1993 }
1924 1994
1925 av_clear (GvAV (PL_defgv)); 1995 av_clear (GvAV (PL_defgv));
1926 hv_store ((HV *)SvRV (coro_current), strpair ("desc"), 1996 hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
1927 newSVpvn (strpair ("[async_pool idle]")), 0); 1997 newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
1928 1998
1929 coro->prio = 0; 1999 coro->prio = 0;
1930 2000
1931 if (coro->cctx && (coro->cctx->flags & CC_TRACE)) 2001 if (coro->cctx && (coro->cctx->flags & CC_TRACE))
1932 api_trace (coro_current, 0); 2002 api_trace (coro_current, 0);

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