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Comparing Coro/Coro/State.xs (file contents):
Revision 1.194 by root, Sat Oct 6 00:08:04 2007 UTC vs.
Revision 1.209 by root, Wed Oct 10 02:58:17 2007 UTC

1#include "libcoro/coro.c" 1#include "libcoro/coro.c"
2 2
3#define PERL_NO_GET_CONTEXT 3#define PERL_NO_GET_CONTEXT
4#define PERL_EXT
4 5
5#include "EXTERN.h" 6#include "EXTERN.h"
6#include "perl.h" 7#include "perl.h"
7#include "XSUB.h" 8#include "XSUB.h"
8 9
9#include "patchlevel.h" 10#include "patchlevel.h"
10 11
11#include <stdio.h> 12#include <stdio.h>
12#include <errno.h> 13#include <errno.h>
13#include <assert.h> 14#include <assert.h>
15#include <inttypes.h> /* portable stdint.h */
14 16
15#ifdef HAVE_MMAP 17#ifdef HAVE_MMAP
16# include <unistd.h> 18# include <unistd.h>
17# include <sys/mman.h> 19# include <sys/mman.h>
18# ifndef MAP_ANONYMOUS 20# ifndef MAP_ANONYMOUS
129#else 131#else
130# define LOCK (void)0 132# define LOCK (void)0
131# define UNLOCK (void)0 133# define UNLOCK (void)0
132#endif 134#endif
133 135
136#define strpair(const) const, sizeof (const) - 1
137
134/* helper storage struct for Coro::AIO */ 138/* helper storage struct for Coro::AIO */
135struct io_state 139struct io_state
136{ 140{
137 int errorno; 141 int errorno;
138 I32 laststype; 142 I32 laststype;
148static SV *coro_mortal; /* will be freed after next transfer */ 152static SV *coro_mortal; /* will be freed after next transfer */
149 153
150static GV *irsgv; /* $/ */ 154static GV *irsgv; /* $/ */
151static GV *stdoutgv; /* *STDOUT */ 155static GV *stdoutgv; /* *STDOUT */
152 156
157static HV *hv_sig; /* %SIG */
158static SV *sv_diehook;
159static SV *sv_warnhook;
160
153/* async_pool helper stuff */ 161/* async_pool helper stuff */
154static SV *sv_pool_rss; 162static SV *sv_pool_rss;
155static SV *sv_pool_size; 163static SV *sv_pool_size;
156static AV *av_async_pool; 164static AV *av_async_pool;
157 165
158static struct coro_cctx *cctx_first; 166static struct coro_cctx *cctx_first[3]; /* index by GIMME_V type, void, scalar, array */
159static int cctx_count, cctx_idle; 167static int cctx_count, cctx_idle[3];
160 168
161enum { 169enum {
162 CC_MAPPED = 0x01, 170 CC_MAPPED = 0x01,
163 CC_NOREUSE = 0x02, /* throw this away after tracing */ 171 CC_NOREUSE = 0x02, /* throw this away after tracing */
164 CC_TRACE = 0x04, 172 CC_TRACE = 0x04,
192 CF_READY = 0x0002, /* coroutine is ready */ 200 CF_READY = 0x0002, /* coroutine is ready */
193 CF_NEW = 0x0004, /* has never been switched to */ 201 CF_NEW = 0x0004, /* has never been switched to */
194 CF_DESTROYED = 0x0008, /* coroutine data has been freed */ 202 CF_DESTROYED = 0x0008, /* coroutine data has been freed */
195}; 203};
196 204
205/* the structure where most of the perl state is stored, overlaid on the cxstack */
206typedef struct {
207 SV *defsv;
208 AV *defav;
209 SV *errsv;
210 SV *irsgv;
211#define VAR(name,type) type name;
212# include "state.h"
213#undef VAR
214} perl_slots;
215
216#define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT))
217
197/* this is a structure representing a perl-level coroutine */ 218/* this is a structure representing a perl-level coroutine */
198struct coro { 219struct coro {
199 /* the c coroutine allocated to this perl coroutine, if any */ 220 /* the c coroutine allocated to this perl coroutine, if any */
200 coro_cctx *cctx; 221 coro_cctx *cctx;
222 int gimme;
201 223
224 /* process data */
225 AV *mainstack;
226 perl_slots *slot; /* basically the saved sp */
227
202 /* data associated with this coroutine (initial args) */ 228 AV *args; /* data associated with this coroutine (initial args) */
203 AV *args; 229 int refcnt; /* coroutines are refcounted, yes */
204 int refcnt;
205 int flags; /* CF_ flags */ 230 int flags; /* CF_ flags */
206 231 HV *hv; /* the perl hash associated with this coro, if any */
207 /* optionally saved, might be zero */
208 AV *defav; /* @_ */
209 SV *defsv; /* $_ */
210 SV *errsv; /* $@ */
211 SV *deffh; /* default filehandle */
212 SV *irssv; /* $/ */
213 SV *irssv_sv; /* real $/ cache */
214
215#define VAR(name,type) type name;
216# include "state.h"
217#undef VAR
218 232
219 /* statistics */ 233 /* statistics */
220 int usecount; /* number of transfers to this coro */ 234 int usecount; /* number of transfers to this coro */
221 235
222 /* coro process data */ 236 /* coro process data */
223 int prio; 237 int prio;
224 //SV *throw; 238 SV *throw; /* exception to be thrown */
225 239
226 /* async_pool */ 240 /* async_pool */
227 SV *saved_deffh; 241 SV *saved_deffh;
228 242
229 /* linked list */ 243 /* linked list */
230 struct coro *next, *prev; 244 struct coro *next, *prev;
231 HV *hv; /* the perl hash associated with this coro, if any */
232}; 245};
233 246
234typedef struct coro *Coro__State; 247typedef struct coro *Coro__State;
235typedef struct coro *Coro__State_or_hashref; 248typedef struct coro *Coro__State_or_hashref;
236 249
248static AV *coro_ready [PRIO_MAX-PRIO_MIN+1]; 261static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
249static int coro_nready; 262static int coro_nready;
250static struct coro *coro_first; 263static struct coro *coro_first;
251 264
252/** lowlevel stuff **********************************************************/ 265/** lowlevel stuff **********************************************************/
266
267static SV *
268coro_get_sv (const char *name, int create)
269{
270#if PERL_VERSION_ATLEAST (5,9,0)
271 /* silence stupid and wrong 5.10 warning that I am unable to switch off */
272 get_sv (name, create);
273#endif
274 return get_sv (name, create);
275}
276
277static AV *
278coro_get_av (const char *name, int create)
279{
280#if PERL_VERSION_ATLEAST (5,9,0)
281 /* silence stupid and wrong 5.10 warning that I am unable to switch off */
282 get_av (name, create);
283#endif
284 return get_av (name, create);
285}
286
287static HV *
288coro_get_hv (const char *name, int create)
289{
290#if PERL_VERSION_ATLEAST (5,9,0)
291 /* silence stupid and wrong 5.10 warning that I am unable to switch off */
292 get_hv (name, create);
293#endif
294 return get_hv (name, create);
295}
253 296
254static AV * 297static AV *
255coro_clone_padlist (pTHX_ CV *cv) 298coro_clone_padlist (pTHX_ CV *cv)
256{ 299{
257 AV *padlist = CvPADLIST (cv); 300 AV *padlist = CvPADLIST (cv);
397/** load & save, init *******************************************************/ 440/** load & save, init *******************************************************/
398 441
399static void 442static void
400load_perl (pTHX_ Coro__State c) 443load_perl (pTHX_ Coro__State c)
401{ 444{
445 perl_slots *slot = c->slot;
446 c->slot = 0;
447
448 PL_mainstack = c->mainstack;
449
450 GvSV (PL_defgv) = slot->defsv;
451 GvAV (PL_defgv) = slot->defav;
452 GvSV (PL_errgv) = slot->errsv;
453 GvSV (irsgv) = slot->irsgv;
454
402#define VAR(name,type) PL_ ## name = c->name; 455 #define VAR(name,type) PL_ ## name = slot->name;
403# include "state.h" 456 # include "state.h"
404#undef VAR 457 #undef VAR
405 458
406 GvSV (PL_defgv) = c->defsv; 459 /*hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0);*/
407 GvAV (PL_defgv) = c->defav; 460 /*hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0);*/
408 GvSV (PL_errgv) = c->errsv;
409 GvSV (irsgv) = c->irssv_sv;
410 461
411 { 462 {
412 dSP; 463 dSP;
464
413 CV *cv; 465 CV *cv;
414 466
415 /* now do the ugly restore mess */ 467 /* now do the ugly restore mess */
416 while (expect_true (cv = (CV *)POPs)) 468 while (expect_true (cv = (CV *)POPs))
417 { 469 {
472 } 524 }
473 525
474 PUTBACK; 526 PUTBACK;
475 } 527 }
476 528
529 /* allocate some space on the context stack for our purposes */
530 /* we manually unroll here, as usually 2 slots is enough */
531 if (SLOT_COUNT >= 1) CXINC;
532 if (SLOT_COUNT >= 2) CXINC;
533 if (SLOT_COUNT >= 3) CXINC;
534 {
535 int i;
536 for (i = 3; i < SLOT_COUNT; ++i)
537 CXINC;
538 }
539 cxstack_ix -= SLOT_COUNT; /* undo allocation */
540
541 c->mainstack = PL_mainstack;
542
543 {
544 perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1);
545
477 c->defav = GvAV (PL_defgv); 546 slot->defav = GvAV (PL_defgv);
478 c->defsv = DEFSV; 547 slot->defsv = DEFSV;
479 c->errsv = ERRSV; 548 slot->errsv = ERRSV;
480 c->irssv_sv = GvSV (irsgv); 549 slot->irsgv = GvSV (irsgv);
481 550
482#define VAR(name,type)c->name = PL_ ## name; 551 #define VAR(name,type) slot->name = PL_ ## name;
483# include "state.h" 552 # include "state.h"
484#undef VAR 553 #undef VAR
554 }
485} 555}
486 556
487/* 557/*
488 * allocate various perl stacks. This is an exact copy 558 * allocate various perl stacks. This is an exact copy
489 * of perl.c:init_stacks, except that it uses less memory 559 * of perl.c:init_stacks, except that it uses less memory
494# define coro_init_stacks init_stacks 564# define coro_init_stacks init_stacks
495#else 565#else
496static void 566static void
497coro_init_stacks (pTHX) 567coro_init_stacks (pTHX)
498{ 568{
499 PL_curstackinfo = new_stackinfo(64, 6); 569 PL_curstackinfo = new_stackinfo(32, 8);
500 PL_curstackinfo->si_type = PERLSI_MAIN; 570 PL_curstackinfo->si_type = PERLSI_MAIN;
501 PL_curstack = PL_curstackinfo->si_stack; 571 PL_curstack = PL_curstackinfo->si_stack;
502 PL_mainstack = PL_curstack; /* remember in case we switch stacks */ 572 PL_mainstack = PL_curstack; /* remember in case we switch stacks */
503 573
504 PL_stack_base = AvARRAY(PL_curstack); 574 PL_stack_base = AvARRAY(PL_curstack);
505 PL_stack_sp = PL_stack_base; 575 PL_stack_sp = PL_stack_base;
506 PL_stack_max = PL_stack_base + AvMAX(PL_curstack); 576 PL_stack_max = PL_stack_base + AvMAX(PL_curstack);
507 577
508 New(50,PL_tmps_stack,64,SV*); 578 New(50,PL_tmps_stack,32,SV*);
509 PL_tmps_floor = -1; 579 PL_tmps_floor = -1;
510 PL_tmps_ix = -1; 580 PL_tmps_ix = -1;
511 PL_tmps_max = 64; 581 PL_tmps_max = 32;
512 582
513 New(54,PL_markstack,16,I32); 583 New(54,PL_markstack,16,I32);
514 PL_markstack_ptr = PL_markstack; 584 PL_markstack_ptr = PL_markstack;
515 PL_markstack_max = PL_markstack + 16; 585 PL_markstack_max = PL_markstack + 16;
516 586
517#ifdef SET_MARK_OFFSET 587#ifdef SET_MARK_OFFSET
518 SET_MARK_OFFSET; 588 SET_MARK_OFFSET;
519#endif 589#endif
520 590
521 New(54,PL_scopestack,16,I32); 591 New(54,PL_scopestack,8,I32);
522 PL_scopestack_ix = 0; 592 PL_scopestack_ix = 0;
523 PL_scopestack_max = 16; 593 PL_scopestack_max = 8;
524 594
525 New(54,PL_savestack,64,ANY); 595 New(54,PL_savestack,24,ANY);
526 PL_savestack_ix = 0; 596 PL_savestack_ix = 0;
527 PL_savestack_max = 64; 597 PL_savestack_max = 24;
528 598
529#if !PERL_VERSION_ATLEAST (5,9,0) 599#if !PERL_VERSION_ATLEAST (5,9,0)
530 New(54,PL_retstack,4,OP*); 600 New(54,PL_retstack,4,OP*);
531 PL_retstack_ix = 0; 601 PL_retstack_ix = 0;
532 PL_retstack_max = 4; 602 PL_retstack_max = 4;
569{ 639{
570 size_t rss = sizeof (*coro); 640 size_t rss = sizeof (*coro);
571 641
572 if (coro->mainstack) 642 if (coro->mainstack)
573 { 643 {
644 perl_slots tmp_slot;
645 perl_slots *slot;
646
574 if (coro->flags & CF_RUNNING) 647 if (coro->flags & CF_RUNNING)
575 { 648 {
649 slot = &tmp_slot;
650
576 #define VAR(name,type)coro->name = PL_ ## name; 651 #define VAR(name,type) slot->name = PL_ ## name;
577 # include "state.h" 652 # include "state.h"
578 #undef VAR 653 #undef VAR
579 } 654 }
655 else
656 slot = coro->slot;
580 657
581 rss += sizeof (coro->curstackinfo); 658 rss += sizeof (slot->curstackinfo);
582 rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvFILL (coro->curstackinfo->si_stack)) * sizeof (SV *);
583 rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT); 659 rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
584 rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *); 660 rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);
585 rss += coro->tmps_max * sizeof (SV *); 661 rss += slot->tmps_max * sizeof (SV *);
586 rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32); 662 rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
587 rss += coro->scopestack_max * sizeof (I32); 663 rss += slot->scopestack_max * sizeof (I32);
588 rss += coro->savestack_max * sizeof (ANY); 664 rss += slot->savestack_max * sizeof (ANY);
589 665
590#if !PERL_VERSION_ATLEAST (5,9,0) 666#if !PERL_VERSION_ATLEAST (5,9,0)
591 rss += coro->retstack_max * sizeof (OP *); 667 rss += slot->retstack_max * sizeof (OP *);
592#endif 668#endif
593 } 669 }
594 670
595 return rss; 671 return rss;
596} 672}
608 PL_runops = RUNOPS_DEFAULT; 684 PL_runops = RUNOPS_DEFAULT;
609 PL_curcop = &PL_compiling; 685 PL_curcop = &PL_compiling;
610 PL_in_eval = EVAL_NULL; 686 PL_in_eval = EVAL_NULL;
611 PL_comppad = 0; 687 PL_comppad = 0;
612 PL_curpm = 0; 688 PL_curpm = 0;
689 PL_curpad = 0;
613 PL_localizing = 0; 690 PL_localizing = 0;
614 PL_dirty = 0; 691 PL_dirty = 0;
615 PL_restartop = 0; 692 PL_restartop = 0;
693 PL_diehook = 0; hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0);
694 PL_warnhook = 0; hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0);
616 695
617 GvSV (PL_defgv) = newSV (0); 696 GvSV (PL_defgv) = newSV (0);
618 GvAV (PL_defgv) = coro->args; coro->args = 0; 697 GvAV (PL_defgv) = coro->args; coro->args = 0;
619 GvSV (PL_errgv) = newSV (0); 698 GvSV (PL_errgv) = newSV (0);
620 GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); 699 GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
621 PL_rs = newSVsv (GvSV (irsgv)); 700 PL_rs = newSVsv (GvSV (irsgv));
622 PL_defoutgv = SvREFCNT_inc (stdoutgv); 701 PL_defoutgv = (GV *)SvREFCNT_inc (stdoutgv);
623
624 ENTER; /* necessary e.g. for dounwind */
625 702
626 { 703 {
627 dSP; 704 dSP;
628 LOGOP myop; 705 LOGOP myop;
629 706
635 XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv)))); 712 XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv))));
636 PUTBACK; 713 PUTBACK;
637 PL_op = (OP *)&myop; 714 PL_op = (OP *)&myop;
638 PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); 715 PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
639 SPAGAIN; 716 SPAGAIN;
717
718 /*
719 * now its very tricky. the "tail" of the next transfer might end up
720 * either in a new cctx, or an existing one.
721 * in case of an existing one we have to take care of whatever
722 * entersub and transfer do to the perl stack.
723 */
724 ENTER;
725 EXTEND (SP, 4);
726 PUSHs ((SV *)0); /* items */
727 PUSHs ((SV *)0); /* ix, set_stacklevel */
728 PUSHs ((SV *)(sp - PL_stack_base + 1)); /* ax */
729 PUSHs ((SV *)0); /* again */
730 PUTBACK;
640 } 731 }
641} 732}
642 733
643static void 734static void
644coro_destroy (pTHX_ struct coro *coro) 735coro_destroy (pTHX_ struct coro *coro)
665 SvREFCNT_dec (GvSV (PL_errgv)); 756 SvREFCNT_dec (GvSV (PL_errgv));
666 SvREFCNT_dec (PL_defoutgv); 757 SvREFCNT_dec (PL_defoutgv);
667 SvREFCNT_dec (PL_rs); 758 SvREFCNT_dec (PL_rs);
668 SvREFCNT_dec (GvSV (irsgv)); 759 SvREFCNT_dec (GvSV (irsgv));
669 760
761 SvREFCNT_dec (PL_diehook);
762 SvREFCNT_dec (PL_warnhook);
763
670 SvREFCNT_dec (coro->saved_deffh); 764 SvREFCNT_dec (coro->saved_deffh);
671 //SvREFCNT_dec (coro->throw); 765 SvREFCNT_dec (coro->throw);
672 766
673 coro_destroy_stacks (aTHX); 767 coro_destroy_stacks (aTHX);
674} 768}
675 769
676static void 770static void
726 PUSHMARK (SP); 820 PUSHMARK (SP);
727 PUSHs (&PL_sv_no); 821 PUSHs (&PL_sv_no);
728 PUSHs (fullname); 822 PUSHs (fullname);
729 PUSHs (sv_2mortal (newRV_noinc ((SV *)av))); 823 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
730 PUTBACK; 824 PUTBACK;
731 cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); 825 cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_sub_cb"), 0);
732 if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); 826 if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
733 SPAGAIN; 827 SPAGAIN;
734 FREETMPS; 828 FREETMPS;
735 LEAVE; 829 LEAVE;
736 PL_runops = runops_trace; 830 PL_runops = runops_trace;
765 PUSHMARK (SP); 859 PUSHMARK (SP);
766 PUSHs (&PL_sv_yes); 860 PUSHs (&PL_sv_yes);
767 PUSHs (fullname); 861 PUSHs (fullname);
768 PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef); 862 PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
769 PUTBACK; 863 PUTBACK;
770 cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); 864 cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_sub_cb"), 0);
771 if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); 865 if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
772 SPAGAIN; 866 SPAGAIN;
773 FREETMPS; 867 FREETMPS;
774 LEAVE; 868 LEAVE;
775 PL_runops = runops_trace; 869 PL_runops = runops_trace;
789 PL_runops = RUNOPS_DEFAULT; 883 PL_runops = RUNOPS_DEFAULT;
790 PUSHMARK (SP); 884 PUSHMARK (SP);
791 PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0))); 885 PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));
792 PUSHs (sv_2mortal (newSViv (CopLINE (oldcop)))); 886 PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));
793 PUTBACK; 887 PUTBACK;
794 cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0); 888 cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_line_cb"), 0);
795 if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); 889 if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
796 SPAGAIN; 890 SPAGAIN;
797 FREETMPS; 891 FREETMPS;
798 LEAVE; 892 LEAVE;
799 PL_runops = runops_trace; 893 PL_runops = runops_trace;
809 903
810/* inject a fake call to Coro::State::_cctx_init into the execution */ 904/* inject a fake call to Coro::State::_cctx_init into the execution */
811/* _cctx_init should be careful, as it could be called at almost any time */ 905/* _cctx_init should be careful, as it could be called at almost any time */
812/* during execution of a perl program */ 906/* during execution of a perl program */
813static void NOINLINE 907static void NOINLINE
814prepare_cctx (pTHX_ coro_cctx *cctx) 908cctx_prepare (pTHX_ coro_cctx *cctx)
815{ 909{
816 dSP; 910 dSP;
817 LOGOP myop; 911 LOGOP myop;
818 912
819 PL_top_env = &PL_start_env; 913 PL_top_env = &PL_start_env;
837 931
838/* 932/*
839 * this is a _very_ stripped down perl interpreter ;) 933 * this is a _very_ stripped down perl interpreter ;)
840 */ 934 */
841static void 935static void
842coro_run (void *arg) 936cctx_run (void *arg)
843{ 937{
844 dTHX; 938 dTHX;
845 939
846 /* coro_run is the alternative tail of transfer(), so unlock here. */ 940 /* cctx_run is the alternative tail of transfer(), so unlock here. */
847 UNLOCK; 941 UNLOCK;
848 942
849 /* we now skip the entersub that lead to transfer() */ 943 /* we now skip the entersub that lead to transfer() */
850 PL_op = PL_op->op_next; 944 PL_op = PL_op->op_next;
851 945
852 /* inject a fake subroutine call to cctx_init */ 946 /* inject a fake subroutine call to cctx_init */
853 prepare_cctx (aTHX_ (coro_cctx *)arg); 947 cctx_prepare (aTHX_ (coro_cctx *)arg);
854 948
855 /* somebody or something will hit me for both perl_run and PL_restartop */ 949 /* somebody or something will hit me for both perl_run and PL_restartop */
856 PL_restartop = PL_op; 950 PL_restartop = PL_op;
857 perl_run (PL_curinterp); 951 perl_run (PL_curinterp);
858 952
877 ++cctx_count; 971 ++cctx_count;
878 972
879 Newz (0, cctx, 1, coro_cctx); 973 Newz (0, cctx, 1, coro_cctx);
880 974
881#if HAVE_MMAP 975#if HAVE_MMAP
882
883 cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; 976 cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;
884 /* mmap supposedly does allocate-on-write for us */ 977 /* mmap supposedly does allocate-on-write for us */
885 cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); 978 cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0);
886 979
887 if (cctx->sptr != (void *)-1) 980 if (cctx->sptr != (void *)-1)
908 stack_start = cctx->sptr; 1001 stack_start = cctx->sptr;
909 stack_size = cctx->ssize; 1002 stack_size = cctx->ssize;
910 } 1003 }
911 1004
912 REGISTER_STACK (cctx, (char *)stack_start, (char *)stack_start + stack_size); 1005 REGISTER_STACK (cctx, (char *)stack_start, (char *)stack_start + stack_size);
913 coro_create (&cctx->cctx, coro_run, (void *)cctx, stack_start, stack_size); 1006 coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size);
914 1007
915 return cctx; 1008 return cctx;
916} 1009}
917 1010
918static void 1011static void
939 1032
940/* wether this cctx should be destructed */ 1033/* wether this cctx should be destructed */
941#define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize || ((cctx)->flags & CC_NOREUSE)) 1034#define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize || ((cctx)->flags & CC_NOREUSE))
942 1035
943static coro_cctx * 1036static coro_cctx *
944cctx_get (pTHX) 1037cctx_get (pTHX_ int gimme)
945{ 1038{
946 while (expect_true (cctx_first)) 1039 while (expect_true (cctx_first[gimme]))
947 { 1040 {
948 coro_cctx *cctx = cctx_first; 1041 coro_cctx *cctx = cctx_first[gimme];
949 cctx_first = cctx->next; 1042 cctx_first[gimme] = cctx->next;
950 --cctx_idle; 1043 --cctx_idle[gimme];
951 1044
952 if (expect_true (!CCTX_EXPIRED (cctx))) 1045 if (expect_true (!CCTX_EXPIRED (cctx)))
953 return cctx; 1046 return cctx;
954 1047
955 cctx_destroy (cctx); 1048 cctx_destroy (cctx);
956 } 1049 }
957 1050
1051 assert (!gimme);
958 return cctx_new (); 1052 return cctx_new ();
959} 1053}
960 1054
961static void 1055static void
962cctx_put (coro_cctx *cctx) 1056cctx_put (coro_cctx *cctx, int gimme)
963{ 1057{
964 /* free another cctx if overlimit */ 1058 /* free another cctx if overlimit */
965 if (expect_false (cctx_idle >= MAX_IDLE_CCTX)) 1059 if (expect_false (cctx_idle[gimme] >= MAX_IDLE_CCTX))
966 { 1060 {
967 coro_cctx *first = cctx_first; 1061 coro_cctx *first = cctx_first[gimme];
968 cctx_first = first->next; 1062 cctx_first[gimme] = first->next;
969 --cctx_idle; 1063 --cctx_idle[gimme];
970 1064
971 cctx_destroy (first); 1065 cctx_destroy (first);
972 } 1066 }
973 1067
974 ++cctx_idle; 1068 ++cctx_idle[gimme];
975 cctx->next = cctx_first; 1069 cctx->next = cctx_first[gimme];
976 cctx_first = cctx; 1070 cctx_first[gimme] = cctx;
977} 1071}
978 1072
979/** coroutine switching *****************************************************/ 1073/** coroutine switching *****************************************************/
980 1074
981static void 1075static void
990 croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states"); 1084 croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
991 1085
992 if (expect_false (next->flags & CF_DESTROYED)) 1086 if (expect_false (next->flags & CF_DESTROYED))
993 croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states"); 1087 croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
994 1088
1089 if (
1090#if PERL_VERSION_ATLEAST (5,9,0)
1091 expect_false (PL_parser)
1092#else
995 if (expect_false (PL_lex_state != LEX_NOTPARSING)) 1093 expect_false (PL_lex_state != LEX_NOTPARSING)
1094#endif
1095 )
996 croak ("Coro::State::transfer called while parsing, but this is not supported"); 1096 croak ("Coro::State::transfer called while parsing, but this is not supported");
997 } 1097 }
998} 1098}
999 1099
1000/* always use the TRANSFER macro */ 1100/* always use the TRANSFER macro */
1053 prev->cctx = 0; 1153 prev->cctx = 0;
1054 1154
1055 /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */ 1155 /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */
1056 /* without this the next cctx_get might destroy the prev__cctx while still in use */ 1156 /* without this the next cctx_get might destroy the prev__cctx while still in use */
1057 if (expect_false (CCTX_EXPIRED (prev__cctx))) 1157 if (expect_false (CCTX_EXPIRED (prev__cctx)))
1158 if (!next->cctx)
1058 next->cctx = cctx_get (aTHX); 1159 next->cctx = cctx_get (aTHX_ next->gimme);
1059 1160
1060 cctx_put (prev__cctx); 1161 cctx_put (prev__cctx, prev->gimme);
1061 } 1162 }
1062 1163
1063 ++next->usecount; 1164 ++next->usecount;
1064 1165
1065 if (expect_true (!next->cctx)) 1166 if (expect_true (!next->cctx))
1066 next->cctx = cctx_get (aTHX); 1167 next->cctx = cctx_get (aTHX_ next->gimme);
1067 1168
1068 if (expect_false (prev__cctx != next->cctx)) 1169 if (expect_false (prev__cctx != next->cctx))
1069 { 1170 {
1070 prev__cctx->top_env = PL_top_env; 1171 prev__cctx->top_env = PL_top_env;
1071 PL_top_env = next->cctx->top_env; 1172 PL_top_env = next->cctx->top_env;
1072 coro_transfer (&prev__cctx->cctx, &next->cctx->cctx); 1173 coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);
1073 } 1174 }
1074 1175
1075 free_coro_mortal (aTHX); 1176 free_coro_mortal (aTHX);
1076 UNLOCK; 1177 UNLOCK;
1178
1179 if (expect_false (prev->throw || next->throw))
1180 {
1181 struct coro *coro = SvSTATE (coro_current);
1182
1183 if (coro->throw)
1184 {
1185 SV *exception = coro->throw;
1186 coro->throw = 0;
1187 sv_setsv (ERRSV, exception);
1188 croak (0);
1189 }
1190 }
1077 } 1191 }
1078} 1192}
1079 1193
1080struct transfer_args 1194struct transfer_args
1081{ 1195{
1116 save_perl (aTHX_ &temp); 1230 save_perl (aTHX_ &temp);
1117 load_perl (aTHX_ coro); 1231 load_perl (aTHX_ coro);
1118 1232
1119 coro_destroy (aTHX_ coro); 1233 coro_destroy (aTHX_ coro);
1120 1234
1121 load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */ 1235 load_perl (aTHX_ &temp);
1122 1236
1123 coro->mainstack = 0; 1237 coro->slot = 0;
1124 } 1238 }
1125 1239
1126 cctx_destroy (coro->cctx); 1240 cctx_destroy (coro->cctx);
1127 SvREFCNT_dec (coro->args); 1241 SvREFCNT_dec (coro->args);
1128 1242
1385 coro->cctx->flags &= ~(CC_TRACE | CC_TRACE_ALL); 1499 coro->cctx->flags &= ~(CC_TRACE | CC_TRACE_ALL);
1386 1500
1387 if (coro->flags & CF_RUNNING) 1501 if (coro->flags & CF_RUNNING)
1388 PL_runops = RUNOPS_DEFAULT; 1502 PL_runops = RUNOPS_DEFAULT;
1389 else 1503 else
1390 coro->runops = RUNOPS_DEFAULT; 1504 coro->slot->runops = RUNOPS_DEFAULT;
1391 } 1505 }
1392} 1506}
1393 1507
1394MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ 1508MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1395 1509
1402#endif 1516#endif
1403 BOOT_PAGESIZE; 1517 BOOT_PAGESIZE;
1404 1518
1405 irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); 1519 irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV);
1406 stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); 1520 stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO);
1521
1522 hv_sig = coro_get_hv ("SIG", TRUE);
1523 sv_diehook = coro_get_sv ("Coro::State::DIEHOOK" , TRUE);
1524 sv_warnhook = coro_get_sv ("Coro::State::WARNHOOK", TRUE);
1525
1526 if (!PL_diehook ) hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0);
1527 if (!PL_warnhook) hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0);
1407 1528
1408 coro_state_stash = gv_stashpv ("Coro::State", TRUE); 1529 coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1409 1530
1410 newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE)); 1531 newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1411 newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB)); 1532 newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
1455# function to increase chances that they all will call transfer with the same 1576# function to increase chances that they all will call transfer with the same
1456# stack offset 1577# stack offset
1457void 1578void
1458_set_stacklevel (...) 1579_set_stacklevel (...)
1459 ALIAS: 1580 ALIAS:
1460 Coro::State::transfer = 1 1581 Coro::State::transfer = 1
1461 Coro::schedule = 2 1582 Coro::schedule = 2
1462 Coro::cede = 3 1583 Coro::cede = 3
1463 Coro::cede_notself = 4 1584 Coro::cede_notself = 4
1585 Coro::Event::next = 5
1586 Coro::Event::next_cancel = 6
1464 CODE: 1587 PPCODE:
1465{ 1588{
1466 struct transfer_args ta; 1589 struct transfer_args ta;
1590 int again = 0;
1467 1591
1468 switch (ix) 1592 do
1469 { 1593 {
1594 switch (ix)
1595 {
1470 case 0: 1596 case 0:
1471 ta.prev = (struct coro *)INT2PTR (coro_cctx *, SvIV (ST (0))); 1597 ta.prev = (struct coro *)INT2PTR (coro_cctx *, SvIV (ST (0)));
1472 ta.next = 0; 1598 ta.next = 0;
1473 break; 1599 break;
1474 1600
1475 case 1: 1601 case 1:
1476 if (items != 2) 1602 if (items != 2)
1477 croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items); 1603 croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items);
1478 1604
1479 prepare_transfer (aTHX_ &ta, ST (0), ST (1)); 1605 prepare_transfer (aTHX_ &ta, ST(0), ST(1));
1480 break; 1606 break;
1481 1607
1482 case 2: 1608 case 2:
1483 prepare_schedule (aTHX_ &ta); 1609 prepare_schedule (aTHX_ &ta);
1484 break; 1610 break;
1485 1611
1486 case 3: 1612 case 3:
1487 prepare_cede (aTHX_ &ta); 1613 prepare_cede (aTHX_ &ta);
1488 break; 1614 break;
1489 1615
1490 case 4: 1616 case 4:
1491 if (!prepare_cede_notself (aTHX_ &ta)) 1617 if (!prepare_cede_notself (aTHX_ &ta))
1492 XSRETURN_EMPTY; 1618 XSRETURN_EMPTY;
1493 1619
1494 break; 1620 break;
1621
1622 case 5:
1623 case 6:
1624 if (items != 1)
1625 croak ("Coro::Event::next (watcher) expects one argument, not %d", items);
1626
1627 {
1628 SV *ev = coroapi.coro_event_next (ST (0), ix == 6, GIMME_V != G_VOID);
1629
1630 if (ev)
1631 {
1632 if (GIMME_V != G_VOID)
1633 {
1634 XPUSHs (ev);
1635 XSRETURN (1);
1636 }
1637 else
1638 XSRETURN_EMPTY;
1639 }
1640 }
1641
1642 prepare_schedule (aTHX_ &ta);
1643 again = 1;
1644 break;
1645 }
1646
1647 /* our caller, entersub, caches *only* this value */
1648 ta.prev->gimme = GIMME_V == G_VOID ? 0
1649 : GIMME_V == G_SCALAR ? 1
1650 : 2;
1651
1652 /* we need to save all local variables, as we might execute a different coroutine when transfer returns */
1653 sp += 2; /* save args */
1654 EXTEND (SP, 4);
1655 PUSHs ((SV *)(intptr_t)items);
1656 PUSHs ((SV *)(intptr_t)ix);
1657 PUSHs ((SV *)(intptr_t)ax);
1658 PUSHs ((SV *)(intptr_t)again);
1659 PUTBACK;
1660 BARRIER;
1661 TRANSFER (ta);
1662 BARRIER;
1663 SPAGAIN;
1664 again = (intptr_t)POPs;
1665 ax = (intptr_t)POPs;
1666 ix = (intptr_t)POPs;
1667 items = (intptr_t)POPs;
1668 sp -= 2; /* restore args */
1495 } 1669 }
1496 1670 while (again);
1497 BARRIER;
1498 TRANSFER (ta);
1499 1671
1500 if (expect_false (GIMME_V != G_VOID && ta.next != ta.prev)) 1672 if (expect_false (GIMME_V != G_VOID && ta.next != ta.prev))
1501 XSRETURN_YES; 1673 XSRETURN_YES;
1674
1675 XSRETURN_EMPTY; /* not understood why this is necessary, likely some stack handling bug */
1502} 1676}
1503 1677
1504bool 1678bool
1505_destroy (SV *coro_sv) 1679_destroy (SV *coro_sv)
1506 CODE: 1680 CODE:
1532 RETVAL 1706 RETVAL
1533 1707
1534int 1708int
1535cctx_idle () 1709cctx_idle ()
1536 CODE: 1710 CODE:
1537 RETVAL = cctx_idle; 1711 RETVAL = cctx_idle[0] + cctx_idle[1] + cctx_idle[2];
1538 OUTPUT: 1712 OUTPUT:
1539 RETVAL 1713 RETVAL
1540 1714
1541void 1715void
1542list () 1716list ()
1555 CODE: 1729 CODE:
1556{ 1730{
1557 if (coro->mainstack) 1731 if (coro->mainstack)
1558 { 1732 {
1559 struct coro temp; 1733 struct coro temp;
1560 Zero (&temp, 1, struct coro);
1561 1734
1562 if (!(coro->flags & CF_RUNNING)) 1735 if (!(coro->flags & CF_RUNNING))
1563 { 1736 {
1564 save_perl (aTHX_ &temp); 1737 save_perl (aTHX_ &temp);
1565 load_perl (aTHX_ coro); 1738 load_perl (aTHX_ coro);
1567 1740
1568 { 1741 {
1569 dSP; 1742 dSP;
1570 ENTER; 1743 ENTER;
1571 SAVETMPS; 1744 SAVETMPS;
1745 PUTBACK;
1746 PUSHSTACK;
1572 PUSHMARK (SP); 1747 PUSHMARK (SP);
1573 PUTBACK; 1748
1574 if (ix) 1749 if (ix)
1575 eval_sv (coderef, 0); 1750 eval_sv (coderef, 0);
1576 else 1751 else
1577 call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); 1752 call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
1753
1578 SPAGAIN; 1754 POPSTACK;
1579 FREETMPS; 1755 FREETMPS;
1580 LEAVE; 1756 LEAVE;
1581 PUTBACK;
1582 } 1757 }
1583 1758
1584 if (!(coro->flags & CF_RUNNING)) 1759 if (!(coro->flags & CF_RUNNING))
1585 { 1760 {
1586 save_perl (aTHX_ coro); 1761 save_perl (aTHX_ coro);
1640 1815
1641BOOT: 1816BOOT:
1642{ 1817{
1643 int i; 1818 int i;
1644 1819
1645 sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE); 1820 sv_pool_rss = coro_get_sv ("Coro::POOL_RSS" , TRUE);
1646 sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE); 1821 sv_pool_size = coro_get_sv ("Coro::POOL_SIZE" , TRUE);
1647 av_async_pool = get_av ("Coro::async_pool", TRUE); 1822 av_async_pool = coro_get_av ("Coro::async_pool", TRUE);
1648 1823
1649 coro_current = get_sv ("Coro::current", FALSE); 1824 coro_current = coro_get_sv ("Coro::current", FALSE);
1650 SvREADONLY_on (coro_current); 1825 SvREADONLY_on (coro_current);
1651 1826
1652 coro_stash = gv_stashpv ("Coro", TRUE); 1827 coro_stash = gv_stashpv ("Coro", TRUE);
1653 1828
1654 newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); 1829 newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
1655 newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); 1830 newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
1656 newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); 1831 newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
1657 newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); 1832 newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
1660 1835
1661 for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) 1836 for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
1662 coro_ready[i] = newAV (); 1837 coro_ready[i] = newAV ();
1663 1838
1664 { 1839 {
1665 SV *sv = perl_get_sv("Coro::API", 1); 1840 SV *sv = perl_get_sv ("Coro::API", TRUE);
1841 perl_get_sv ("Coro::API", TRUE); /* silence 5.10 warning */
1666 1842
1667 coroapi.schedule = api_schedule; 1843 coroapi.schedule = api_schedule;
1668 coroapi.cede = api_cede; 1844 coroapi.cede = api_cede;
1669 coroapi.cede_notself = api_cede_notself; 1845 coroapi.cede_notself = api_cede_notself;
1670 coroapi.ready = api_ready; 1846 coroapi.ready = api_ready;
1721 CODE: 1897 CODE:
1722 RETVAL = coro_nready; 1898 RETVAL = coro_nready;
1723 OUTPUT: 1899 OUTPUT:
1724 RETVAL 1900 RETVAL
1725 1901
1902void
1903throw (Coro::State self, SV *throw = &PL_sv_undef)
1904 PROTOTYPE: $;$
1905 CODE:
1906 SvREFCNT_dec (self->throw);
1907 self->throw = SvOK (throw) ? newSVsv (throw) : 0;
1908
1726# for async_pool speedup 1909# for async_pool speedup
1727void 1910void
1728_pool_1 (SV *cb) 1911_pool_1 (SV *cb)
1729 CODE: 1912 CODE:
1730{ 1913{
1731 struct coro *coro = SvSTATE (coro_current); 1914 struct coro *coro = SvSTATE (coro_current);
1732 HV *hv = (HV *)SvRV (coro_current); 1915 HV *hv = (HV *)SvRV (coro_current);
1733 AV *defav = GvAV (PL_defgv); 1916 AV *defav = GvAV (PL_defgv);
1734 SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0); 1917 SV *invoke = hv_delete (hv, strpair ("_invoke"), 0);
1735 AV *invoke_av; 1918 AV *invoke_av;
1736 int i, len; 1919 int i, len;
1737 1920
1738 if (!invoke) 1921 if (!invoke)
1739 croak ("\3terminate\2\n"); 1922 croak ("\3async_pool terminate\2\n");
1740 1923
1741 SvREFCNT_dec (coro->saved_deffh); 1924 SvREFCNT_dec (coro->saved_deffh);
1742 coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv); 1925 coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);
1743 1926
1744 hv_store (hv, "desc", sizeof ("desc") - 1, 1927 hv_store (hv, "desc", sizeof ("desc") - 1,
1745 newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0); 1928 newSVpvn (strpair ("[async_pool]")), 0);
1746 1929
1747 invoke_av = (AV *)SvRV (invoke); 1930 invoke_av = (AV *)SvRV (invoke);
1748 len = av_len (invoke_av); 1931 len = av_len (invoke_av);
1749 1932
1750 sv_setsv (cb, AvARRAY (invoke_av)[0]); 1933 sv_setsv (cb, AvARRAY (invoke_av)[0]);
1770 SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; 1953 SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh;
1771 coro->saved_deffh = 0; 1954 coro->saved_deffh = 0;
1772 1955
1773 if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss) 1956 if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1774 || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) 1957 || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
1775 croak ("\3terminate\2\n"); 1958 croak ("\3async_pool terminate\2\n");
1776 1959
1777 av_clear (GvAV (PL_defgv)); 1960 av_clear (GvAV (PL_defgv));
1778 hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1, 1961 hv_store ((HV *)SvRV (coro_current), strpair ("desc"),
1779 newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0); 1962 newSVpvn (strpair ("[async_pool idle]")), 0);
1780 1963
1781 coro->prio = 0; 1964 coro->prio = 0;
1782 1965
1783 if (coro->cctx && (coro->cctx->flags & CC_TRACE)) 1966 if (coro->cctx && (coro->cctx->flags & CC_TRACE))
1784 api_trace (coro_current, 0); 1967 api_trace (coro_current, 0);

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