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Comparing Coro/Coro/State.xs (file contents):
Revision 1.158 by root, Fri Sep 21 02:23:48 2007 UTC vs.
Revision 1.185 by root, Thu Oct 4 19:35:08 2007 UTC

… …
132static AV *main_mainstack; /* used to differentiate between $main and others */ 132static AV *main_mainstack; /* used to differentiate between $main and others */
133static JMPENV *main_top_env; 133static JMPENV *main_top_env;
134static HV *coro_state_stash, *coro_stash; 134static HV *coro_state_stash, *coro_stash;
135static SV *coro_mortal; /* will be freed after next transfer */ 135static SV *coro_mortal; /* will be freed after next transfer */
136 136
137static GV *irsgv; /* $/ */
138
139/* async_pool helper stuff */
140static SV *sv_pool_rss;
141static SV *sv_pool_size;
142static AV *av_async_pool;
143
137static struct coro_cctx *cctx_first; 144static struct coro_cctx *cctx_first;
138static int cctx_count, cctx_idle; 145static int cctx_count, cctx_idle;
146
147enum {
148 CC_MAPPED = 0x01,
149 CC_NOREUSE = 0x02, /* throw this away after tracing */
150 CC_TRACE = 0x04,
151 CC_TRACE_SUB = 0x08, /* trace sub calls */
152 CC_TRACE_LINE = 0x10, /* trace each statement */
153 CC_TRACE_ALL = CC_TRACE_SUB | CC_TRACE_LINE,
154};
139 155
140/* this is a structure representing a c-level coroutine */ 156/* this is a structure representing a c-level coroutine */
141typedef struct coro_cctx { 157typedef struct coro_cctx {
142 struct coro_cctx *next; 158 struct coro_cctx *next;
143 159
… …
152 coro_context cctx; 168 coro_context cctx;
153 169
154#if CORO_USE_VALGRIND 170#if CORO_USE_VALGRIND
155 int valgrind_id; 171 int valgrind_id;
156#endif 172#endif
157 char inuse, mapped; 173 unsigned char flags;
158} coro_cctx; 174} coro_cctx;
159 175
160enum { 176enum {
161 CF_RUNNING = 0x0001, /* coroutine is running */ 177 CF_RUNNING = 0x0001, /* coroutine is running */
162 CF_READY = 0x0002, /* coroutine is ready */ 178 CF_READY = 0x0002, /* coroutine is ready */
… …
170 coro_cctx *cctx; 186 coro_cctx *cctx;
171 187
172 /* data associated with this coroutine (initial args) */ 188 /* data associated with this coroutine (initial args) */
173 AV *args; 189 AV *args;
174 int refcnt; 190 int refcnt;
175 int save; /* CORO_SAVE flags */
176 int flags; /* CF_ flags */ 191 int flags; /* CF_ flags */
177 192
178 /* optionally saved, might be zero */ 193 /* optionally saved, might be zero */
179 AV *defav; /* @_ */ 194 AV *defav; /* @_ */
180 SV *defsv; /* $_ */ 195 SV *defsv; /* $_ */
181 SV *errsv; /* $@ */ 196 SV *errsv; /* $@ */
182 GV *deffh; /* default filehandle */ 197 SV *deffh; /* default filehandle */
183 SV *irssv; /* $/ */ 198 SV *irssv; /* $/ */
184 SV *irssv_sv; /* real $/ cache */ 199 SV *irssv_sv; /* real $/ cache */
185 200
186#define VAR(name,type) type name; 201#define VAR(name,type) type name;
187# include "state.h" 202# include "state.h"
188#undef VAR 203#undef VAR
189 204
205 /* statistics */
206 int usecount; /* number of transfers to this coro */
207
190 /* coro process data */ 208 /* coro process data */
191 int prio; 209 int prio;
210 //SV *throw;
211
212 /* async_pool */
213 SV *saved_deffh;
192 214
193 /* linked list */ 215 /* linked list */
194 struct coro *next, *prev; 216 struct coro *next, *prev;
195 HV *hv; /* the perl hash associated with this coro, if any */ 217 HV *hv; /* the perl hash associated with this coro, if any */
196}; 218};
… …
284 SvMAGIC (cv) \ 306 SvMAGIC (cv) \
285 ? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \ 307 ? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \
286 ? SvMAGIC (cv) \ 308 ? SvMAGIC (cv) \
287 : mg_find ((SV *)cv, PERL_MAGIC_coro) \ 309 : mg_find ((SV *)cv, PERL_MAGIC_coro) \
288 : 0 310 : 0
311
312static struct coro *
313SvSTATE_ (pTHX_ SV *coro)
314{
315 HV *stash;
316 MAGIC *mg;
317
318 if (SvROK (coro))
319 coro = SvRV (coro);
320
321 if (SvTYPE (coro) != SVt_PVHV)
322 croak ("Coro::State object required");
323
324 stash = SvSTASH (coro);
325 if (stash != coro_stash && stash != coro_state_stash)
326 {
327 /* very slow, but rare, check */
328 if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
329 croak ("Coro::State object required");
330 }
331
332 mg = CORO_MAGIC (coro);
333 return (struct coro *)mg->mg_ptr;
334}
335
336#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
289 337
290/* the next two functions merely cache the padlists */ 338/* the next two functions merely cache the padlists */
291static void 339static void
292get_padlist (pTHX_ CV *cv) 340get_padlist (pTHX_ CV *cv)
293{ 341{
… …
332 AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); 380 AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
333} 381}
334 382
335/** load & save, init *******************************************************/ 383/** load & save, init *******************************************************/
336 384
337#define SB do {
338#define SE } while (0)
339
340#define REPLACE_SV(sv,val) SB SvREFCNT_dec (sv); (sv) = (val); (val) = 0; SE
341
342static void 385static void
343load_perl (pTHX_ Coro__State c) 386load_perl (pTHX_ Coro__State c)
344{ 387{
345#define VAR(name,type) PL_ ## name = c->name; 388#define VAR(name,type) PL_ ## name = c->name;
346# include "state.h" 389# include "state.h"
347#undef VAR 390#undef VAR
348 391
349 if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav); 392 GvSV (PL_defgv) = c->defsv;
350 if (c->defsv) REPLACE_SV (DEFSV , c->defsv); 393 GvAV (PL_defgv) = c->defav;
351 if (c->errsv) REPLACE_SV (ERRSV , c->errsv); 394 GvSV (PL_errgv) = c->errsv;
352 if (c->deffh) REPLACE_SV (PL_defoutgv , c->deffh); 395 GvSV (irsgv) = c->irssv_sv;
353
354 if (c->irssv)
355 {
356 if (c->irssv == PL_rs || sv_eq (PL_rs, c->irssv))
357 {
358 SvREFCNT_dec (c->irssv);
359 c->irssv = 0;
360 }
361 else
362 {
363 REPLACE_SV (PL_rs, c->irssv);
364 if (!c->irssv_sv) c->irssv_sv = get_sv ("/", 0);
365 sv_setsv (c->irssv_sv, PL_rs);
366 }
367 }
368 396
369 { 397 {
370 dSP; 398 dSP;
371 CV *cv; 399 CV *cv;
372 400
… …
430 } 458 }
431 459
432 PUTBACK; 460 PUTBACK;
433 } 461 }
434 462
435 c->defav = c->save & CORO_SAVE_DEFAV ? (AV *)SvREFCNT_inc (GvAV (PL_defgv)) : 0; 463 c->defav = GvAV (PL_defgv);
436 c->defsv = c->save & CORO_SAVE_DEFSV ? SvREFCNT_inc (DEFSV) : 0; 464 c->defsv = DEFSV;
437 c->errsv = c->save & CORO_SAVE_ERRSV ? SvREFCNT_inc (ERRSV) : 0; 465 c->errsv = ERRSV;
438 c->deffh = c->save & CORO_SAVE_DEFFH ? (GV *)SvREFCNT_inc (PL_defoutgv) : 0; 466 c->irssv_sv = GvSV (irsgv);
439 c->irssv = c->save & CORO_SAVE_IRSSV ? SvREFCNT_inc (PL_rs) : 0;
440 467
441#define VAR(name,type)c->name = PL_ ## name; 468#define VAR(name,type)c->name = PL_ ## name;
442# include "state.h" 469# include "state.h"
443#undef VAR 470#undef VAR
444} 471}
… …
497 * destroy the stacks, the callchain etc... 524 * destroy the stacks, the callchain etc...
498 */ 525 */
499static void 526static void
500coro_destroy_stacks (pTHX) 527coro_destroy_stacks (pTHX)
501{ 528{
502 if (!IN_DESTRUCT)
503 {
504 /* restore all saved variables and stuff */
505 LEAVE_SCOPE (0);
506 assert (PL_tmps_floor == -1);
507
508 /* free all temporaries */
509 FREETMPS;
510 assert (PL_tmps_ix == -1);
511
512 /* unwind all extra stacks */
513 POPSTACK_TO (PL_mainstack);
514
515 /* unwind main stack */
516 dounwind (-1);
517 }
518
519 while (PL_curstackinfo->si_next) 529 while (PL_curstackinfo->si_next)
520 PL_curstackinfo = PL_curstackinfo->si_next; 530 PL_curstackinfo = PL_curstackinfo->si_next;
521 531
522 while (PL_curstackinfo) 532 while (PL_curstackinfo)
523 { 533 {
… …
539 Safefree (PL_retstack); 549 Safefree (PL_retstack);
540#endif 550#endif
541} 551}
542 552
543static size_t 553static size_t
544coro_rss (struct coro *coro) 554coro_rss (pTHX_ struct coro *coro)
545{ 555{
546 size_t rss = sizeof (coro); 556 size_t rss = sizeof (*coro);
547 557
548 if (coro->mainstack) 558 if (coro->mainstack)
549 { 559 {
550 if (coro->flags & CF_RUNNING) 560 if (coro->flags & CF_RUNNING)
551 { 561 {
… …
553 # include "state.h" 563 # include "state.h"
554 #undef VAR 564 #undef VAR
555 } 565 }
556 566
557 rss += sizeof (coro->curstackinfo); 567 rss += sizeof (coro->curstackinfo);
558 rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstackinfo->si_stack)) * sizeof (SV *); 568 rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvFILL (coro->curstackinfo->si_stack)) * sizeof (SV *);
559 rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT); 569 rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
560 rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *); 570 rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *);
561 rss += coro->tmps_max * sizeof (SV *); 571 rss += coro->tmps_max * sizeof (SV *);
562 rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32); 572 rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32);
563 rss += coro->scopestack_max * sizeof (I32); 573 rss += coro->scopestack_max * sizeof (I32);
564 rss += coro->savestack_max * sizeof (ANY); 574 rss += coro->savestack_max * sizeof (ANY);
565 575
… …
572} 582}
573 583
574/** coroutine stack handling ************************************************/ 584/** coroutine stack handling ************************************************/
575 585
576static void 586static void
577setup_coro (pTHX_ struct coro *coro) 587coro_setup (pTHX_ struct coro *coro)
578{ 588{
579 /* 589 /*
580 * emulate part of the perl startup here. 590 * emulate part of the perl startup here.
581 */ 591 */
582 coro_init_stacks (aTHX); 592 coro_init_stacks (aTHX);
583 593
594 PL_runops = RUNOPS_DEFAULT;
584 PL_curcop = &PL_compiling; 595 PL_curcop = &PL_compiling;
585 PL_in_eval = EVAL_NULL; 596 PL_in_eval = EVAL_NULL;
586 PL_comppad = 0; 597 PL_comppad = 0;
587 PL_curpm = 0; 598 PL_curpm = 0;
588 PL_localizing = 0; 599 PL_localizing = 0;
589 PL_dirty = 0; 600 PL_dirty = 0;
590 PL_restartop = 0; 601 PL_restartop = 0;
602
603 GvSV (PL_defgv) = NEWSV (0, 0);
604 GvAV (PL_defgv) = coro->args; coro->args = 0;
605 GvSV (PL_errgv) = NEWSV (0, 0);
606 GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
607 PL_rs = newSVsv (GvSV (irsgv));
608
609 {
610 IO *io = newIO ();
611 PL_defoutgv = newGVgen ("Coro");
612 GvIOp(PL_defoutgv) = io;
613 IoTYPE (io) = IoTYPE_WRONLY;
614 IoOFP (io) = IoIFP (io) = PerlIO_stdout ();
615 IoFLAGS (io) |= IOf_FLUSH;
616 }
591 617
592 { 618 {
593 dSP; 619 dSP;
594 LOGOP myop; 620 LOGOP myop;
595
596 SvREFCNT_dec (GvAV (PL_defgv));
597 GvAV (PL_defgv) = coro->args; coro->args = 0;
598 621
599 Zero (&myop, 1, LOGOP); 622 Zero (&myop, 1, LOGOP);
600 myop.op_next = Nullop; 623 myop.op_next = Nullop;
601 myop.op_flags = OPf_WANT_VOID; 624 myop.op_flags = OPf_WANT_VOID;
602 625
… …
610 633
611 ENTER; /* necessary e.g. for dounwind */ 634 ENTER; /* necessary e.g. for dounwind */
612} 635}
613 636
614static void 637static void
638coro_destroy (pTHX_ struct coro *coro)
639{
640 if (!IN_DESTRUCT)
641 {
642 /* restore all saved variables and stuff */
643 LEAVE_SCOPE (0);
644 assert (PL_tmps_floor == -1);
645
646 /* free all temporaries */
647 FREETMPS;
648 assert (PL_tmps_ix == -1);
649
650 /* unwind all extra stacks */
651 POPSTACK_TO (PL_mainstack);
652
653 /* unwind main stack */
654 dounwind (-1);
655 }
656
657 SvREFCNT_dec (GvSV (PL_defgv));
658 SvREFCNT_dec (GvAV (PL_defgv));
659 SvREFCNT_dec (GvSV (PL_errgv));
660 SvREFCNT_dec (PL_defoutgv);
661 SvREFCNT_dec (PL_rs);
662 SvREFCNT_dec (GvSV (irsgv));
663
664 SvREFCNT_dec (coro->saved_deffh);
665 //SvREFCNT_dec (coro->throw);
666
667 coro_destroy_stacks (aTHX);
668}
669
670static void
615free_coro_mortal (pTHX) 671free_coro_mortal (pTHX)
616{ 672{
617 if (coro_mortal) 673 if (coro_mortal)
618 { 674 {
619 SvREFCNT_dec (coro_mortal); 675 SvREFCNT_dec (coro_mortal);
620 coro_mortal = 0; 676 coro_mortal = 0;
621 } 677 }
678}
679
680static int
681runops_trace (pTHX)
682{
683 COP *oldcop = 0;
684 int oldcxix = -2;
685 struct coro *coro = SvSTATE (coro_current); /* trace cctx is tied to specific coro */
686 coro_cctx *cctx = coro->cctx;
687
688 while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))
689 {
690 PERL_ASYNC_CHECK ();
691
692 if (cctx->flags & CC_TRACE_ALL)
693 {
694 if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB)
695 {
696 PERL_CONTEXT *cx = &cxstack[cxstack_ix];
697 SV **bot, **top;
698 AV *av = newAV (); /* return values */
699 SV **cb;
700 dSP;
701
702 GV *gv = CvGV (cx->blk_sub.cv);
703 SV *fullname = sv_2mortal (newSV (0));
704 if (isGV (gv))
705 gv_efullname3 (fullname, gv, 0);
706
707 bot = PL_stack_base + cx->blk_oldsp + 1;
708 top = cx->blk_gimme == G_ARRAY ? SP + 1
709 : cx->blk_gimme == G_SCALAR ? bot + 1
710 : bot;
711
712 while (bot < top)
713 av_push (av, SvREFCNT_inc (*bot++));
714
715 PL_runops = RUNOPS_DEFAULT;
716 ENTER;
717 SAVETMPS;
718 EXTEND (SP, 3);
719 PUSHMARK (SP);
720 PUSHs (&PL_sv_no);
721 PUSHs (fullname);
722 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
723 PUTBACK;
724 cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
725 if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
726 SPAGAIN;
727 FREETMPS;
728 LEAVE;
729 PL_runops = runops_trace;
730 }
731
732 if (oldcop != PL_curcop)
733 {
734 oldcop = PL_curcop;
735
736 if (PL_curcop != &PL_compiling)
737 {
738 SV **cb;
739
740 if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB)
741 {
742 PERL_CONTEXT *cx = &cxstack[cxstack_ix];
743
744 if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)
745 {
746 runops_proc_t old_runops = PL_runops;
747 dSP;
748 GV *gv = CvGV (cx->blk_sub.cv);
749 SV *fullname = sv_2mortal (newSV (0));
750
751 if (isGV (gv))
752 gv_efullname3 (fullname, gv, 0);
753
754 PL_runops = RUNOPS_DEFAULT;
755 ENTER;
756 SAVETMPS;
757 EXTEND (SP, 3);
758 PUSHMARK (SP);
759 PUSHs (&PL_sv_yes);
760 PUSHs (fullname);
761 PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
762 PUTBACK;
763 cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
764 if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
765 SPAGAIN;
766 FREETMPS;
767 LEAVE;
768 PL_runops = runops_trace;
769 }
770
771 oldcxix = cxstack_ix;
772 }
773
774 if (cctx->flags & CC_TRACE_LINE)
775 {
776 dSP;
777
778 PL_runops = RUNOPS_DEFAULT;
779 ENTER;
780 SAVETMPS;
781 EXTEND (SP, 3);
782 PL_runops = RUNOPS_DEFAULT;
783 PUSHMARK (SP);
784 PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));
785 PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));
786 PUTBACK;
787 cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0);
788 if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
789 SPAGAIN;
790 FREETMPS;
791 LEAVE;
792 PL_runops = runops_trace;
793 }
794 }
795 }
796 }
797 }
798
799 TAINT_NOT;
800 return 0;
622} 801}
623 802
624/* inject a fake call to Coro::State::_cctx_init into the execution */ 803/* inject a fake call to Coro::State::_cctx_init into the execution */
625/* _cctx_init should be careful, as it could be called at almost any time */ 804/* _cctx_init should be careful, as it could be called at almost any time */
626/* during execution of a perl program */ 805/* during execution of a perl program */
627static void NOINLINE 806static void NOINLINE
628prepare_cctx (pTHX_ coro_cctx *cctx) 807prepare_cctx (pTHX_ coro_cctx *cctx)
629{ 808{
630 dSP; 809 dSP;
631 LOGOP myop; 810 LOGOP myop;
811
812 PL_top_env = &PL_start_env;
813
814 if (cctx->flags & CC_TRACE)
815 PL_runops = runops_trace;
632 816
633 Zero (&myop, 1, LOGOP); 817 Zero (&myop, 1, LOGOP);
634 myop.op_next = PL_op; 818 myop.op_next = PL_op;
635 myop.op_flags = OPf_WANT_VOID | OPf_STACKED; 819 myop.op_flags = OPf_WANT_VOID | OPf_STACKED;
636 820
… …
653 dTHX; 837 dTHX;
654 838
655 /* coro_run is the alternative tail of transfer(), so unlock here. */ 839 /* coro_run is the alternative tail of transfer(), so unlock here. */
656 UNLOCK; 840 UNLOCK;
657 841
658 PL_top_env = &PL_start_env; 842 /* we now skip the entersub that lead to transfer() */
843 PL_op = PL_op->op_next;
659 844
660 /* inject a fake subroutine call to cctx_init */ 845 /* inject a fake subroutine call to cctx_init */
661 prepare_cctx (aTHX_ (coro_cctx *)arg); 846 prepare_cctx (aTHX_ (coro_cctx *)arg);
662 847
663 /* somebody or something will hit me for both perl_run and PL_restartop */ 848 /* somebody or something will hit me for both perl_run and PL_restartop */
… …
697# if CORO_STACKGUARD 882# if CORO_STACKGUARD
698 mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); 883 mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE);
699# endif 884# endif
700 stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr; 885 stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr;
701 stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE; 886 stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE;
702 cctx->mapped = 1; 887 cctx->flags |= CC_MAPPED;
703 } 888 }
704 else 889 else
705#endif 890#endif
706 { 891 {
707 cctx->ssize = coro_stacksize * (long)sizeof (long); 892 cctx->ssize = coro_stacksize * (long)sizeof (long);
… …
734#if CORO_USE_VALGRIND 919#if CORO_USE_VALGRIND
735 VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); 920 VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
736#endif 921#endif
737 922
738#if HAVE_MMAP 923#if HAVE_MMAP
739 if (cctx->mapped) 924 if (cctx->flags & CC_MAPPED)
740 munmap (cctx->sptr, cctx->ssize); 925 munmap (cctx->sptr, cctx->ssize);
741 else 926 else
742#endif 927#endif
743 Safefree (cctx->sptr); 928 Safefree (cctx->sptr);
744 929
… …
752 { 937 {
753 coro_cctx *cctx = cctx_first; 938 coro_cctx *cctx = cctx_first;
754 cctx_first = cctx->next; 939 cctx_first = cctx->next;
755 --cctx_idle; 940 --cctx_idle;
756 941
757 if (cctx->ssize >= coro_stacksize) 942 if (cctx->ssize >= coro_stacksize && !(cctx->flags & CC_NOREUSE))
758 return cctx; 943 return cctx;
759 944
760 cctx_destroy (cctx); 945 cctx_destroy (cctx);
761 } 946 }
762 947
763 PL_op = PL_op->op_next;
764 return cctx_new (); 948 return cctx_new ();
765} 949}
766 950
767static void 951static void
768cctx_put (coro_cctx *cctx) 952cctx_put (coro_cctx *cctx)
… …
772 { 956 {
773 coro_cctx *first = cctx_first; 957 coro_cctx *first = cctx_first;
774 cctx_first = first->next; 958 cctx_first = first->next;
775 --cctx_idle; 959 --cctx_idle;
776 960
777 assert (!first->inuse);
778 cctx_destroy (first); 961 cctx_destroy (first);
779 } 962 }
780 963
781 ++cctx_idle; 964 ++cctx_idle;
782 cctx->next = cctx_first; 965 cctx->next = cctx_first;
783 cctx_first = cctx; 966 cctx_first = cctx;
784} 967}
785 968
786/** coroutine switching *****************************************************/ 969/** coroutine switching *****************************************************/
787 970
788/* never call directly, always through the coro_state_transfer global variable */ 971static void NOINLINE
972transfer_check (pTHX_ struct coro *prev, struct coro *next)
973{
974 if (prev != next)
975 {
976 if (!(prev->flags & (CF_RUNNING | CF_NEW)))
977 croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states");
978
979 if (next->flags & CF_RUNNING)
980 croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
981
982 if (next->flags & CF_DESTROYED)
983 croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
984
985 if (PL_lex_state != LEX_NOTPARSING)
986 croak ("Coro::State::transfer called while parsing, but this is not supported");
987 }
988}
989
990/* always use the TRANSFER macro */
789static void NOINLINE 991static void NOINLINE
790transfer (pTHX_ struct coro *prev, struct coro *next) 992transfer (pTHX_ struct coro *prev, struct coro *next)
791{ 993{
792 dSTACKLEVEL; 994 dSTACKLEVEL;
793 995
… …
803 1005
804 if (prev->flags & CF_NEW) 1006 if (prev->flags & CF_NEW)
805 { 1007 {
806 /* create a new empty context */ 1008 /* create a new empty context */
807 Newz (0, prev->cctx, 1, coro_cctx); 1009 Newz (0, prev->cctx, 1, coro_cctx);
808 prev->cctx->inuse = 1;
809 prev->flags &= ~CF_NEW; 1010 prev->flags &= ~CF_NEW;
810 prev->flags |= CF_RUNNING; 1011 prev->flags |= CF_RUNNING;
811 } 1012 }
812
813 /*TODO: must not croak here */
814 if (!prev->flags & CF_RUNNING)
815 croak ("Coro::State::transfer called with non-running prev Coro::State, but can only transfer from running states");
816
817 if (next->flags & CF_RUNNING)
818 croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
819
820 if (next->flags & CF_DESTROYED)
821 croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
822 1013
823 prev->flags &= ~CF_RUNNING; 1014 prev->flags &= ~CF_RUNNING;
824 next->flags |= CF_RUNNING; 1015 next->flags |= CF_RUNNING;
825 1016
826 LOCK; 1017 LOCK;
… …
830 /* need to start coroutine */ 1021 /* need to start coroutine */
831 next->flags &= ~CF_NEW; 1022 next->flags &= ~CF_NEW;
832 /* first get rid of the old state */ 1023 /* first get rid of the old state */
833 save_perl (aTHX_ prev); 1024 save_perl (aTHX_ prev);
834 /* setup coroutine call */ 1025 /* setup coroutine call */
835 setup_coro (aTHX_ next); 1026 coro_setup (aTHX_ next);
836 /* need a new stack */
837 assert (!next->cctx);
838 } 1027 }
839 else 1028 else
840 { 1029 {
841 /* coroutine already started */ 1030 /* coroutine already started */
842 save_perl (aTHX_ prev); 1031 save_perl (aTHX_ prev);
… …
844 } 1033 }
845 1034
846 prev__cctx = prev->cctx; 1035 prev__cctx = prev->cctx;
847 1036
848 /* possibly "free" the cctx */ 1037 /* possibly "free" the cctx */
849 if (prev__cctx->idle_sp == STACKLEVEL) 1038 if (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE))
850 { 1039 {
851 /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */ 1040 /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */
852 assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te)); 1041 assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
853 1042
854 prev->cctx = 0; 1043 prev->cctx = 0;
855 1044
856 cctx_put (prev__cctx); 1045 cctx_put (prev__cctx);
857 prev__cctx->inuse = 0;
858 } 1046 }
859 1047
1048 ++next->usecount;
1049
860 if (!next->cctx) 1050 if (!next->cctx)
861 {
862 next->cctx = cctx_get (aTHX); 1051 next->cctx = cctx_get (aTHX);
863 assert (!next->cctx->inuse);
864 next->cctx->inuse = 1;
865 }
866 1052
867 if (prev__cctx != next->cctx) 1053 if (prev__cctx != next->cctx)
868 { 1054 {
869 prev__cctx->top_env = PL_top_env; 1055 prev__cctx->top_env = PL_top_env;
870 PL_top_env = next->cctx->top_env; 1056 PL_top_env = next->cctx->top_env;
… …
880{ 1066{
881 struct coro *prev, *next; 1067 struct coro *prev, *next;
882}; 1068};
883 1069
884#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next) 1070#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)
1071#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
885 1072
886/** high level stuff ********************************************************/ 1073/** high level stuff ********************************************************/
887 1074
888static int 1075static int
889coro_state_destroy (pTHX_ struct coro *coro) 1076coro_state_destroy (pTHX_ struct coro *coro)
… …
906 1093
907 if (coro->mainstack && coro->mainstack != main_mainstack) 1094 if (coro->mainstack && coro->mainstack != main_mainstack)
908 { 1095 {
909 struct coro temp; 1096 struct coro temp;
910 1097
911 assert (!(coro->flags & CF_RUNNING));
912
913 Zero (&temp, 1, struct coro);
914 temp.save = CORO_SAVE_ALL;
915
916 if (coro->flags & CF_RUNNING) 1098 if (coro->flags & CF_RUNNING)
917 croak ("FATAL: tried to destroy currently running coroutine"); 1099 croak ("FATAL: tried to destroy currently running coroutine");
918 1100
919 save_perl (aTHX_ &temp); 1101 save_perl (aTHX_ &temp);
920 load_perl (aTHX_ coro); 1102 load_perl (aTHX_ coro);
921 1103
922 coro_destroy_stacks (aTHX); 1104 coro_destroy (aTHX_ coro);
923 1105
924 load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */ 1106 load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */
925 1107
926 coro->mainstack = 0; 1108 coro->mainstack = 0;
927 } 1109 }
… …
972#else 1154#else
973# define MGf_DUP 0 1155# define MGf_DUP 0
974#endif 1156#endif
975}; 1157};
976 1158
977static struct coro *
978SvSTATE_ (pTHX_ SV *coro)
979{
980 HV *stash;
981 MAGIC *mg;
982
983 if (SvROK (coro))
984 coro = SvRV (coro);
985
986 stash = SvSTASH (coro);
987 if (stash != coro_stash && stash != coro_state_stash)
988 {
989 /* very slow, but rare, check */
990 if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
991 croak ("Coro::State object required");
992 }
993
994 mg = CORO_MAGIC (coro);
995 return (struct coro *)mg->mg_ptr;
996}
997
998#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
999
1000static void 1159static void
1001prepare_transfer (pTHX_ struct transfer_args *ta, SV *prev_sv, SV *next_sv) 1160prepare_transfer (pTHX_ struct transfer_args *ta, SV *prev_sv, SV *next_sv)
1002{ 1161{
1003 ta->prev = SvSTATE (prev_sv); 1162 ta->prev = SvSTATE (prev_sv);
1004 ta->next = SvSTATE (next_sv); 1163 ta->next = SvSTATE (next_sv);
1164 TRANSFER_CHECK (*ta);
1005} 1165}
1006 1166
1007static void 1167static void
1008api_transfer (SV *prev_sv, SV *next_sv) 1168api_transfer (SV *prev_sv, SV *next_sv)
1009{ 1169{
1010 dTHX; 1170 dTHX;
1011 struct transfer_args ta; 1171 struct transfer_args ta;
1012 1172
1013 prepare_transfer (aTHX_ &ta, prev_sv, next_sv); 1173 prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1014 TRANSFER (ta); 1174 TRANSFER (ta);
1015}
1016
1017static int
1018api_save (SV *coro_sv, int new_save)
1019{
1020 dTHX;
1021 struct coro *coro = SvSTATE (coro_sv);
1022 int old_save = coro->save;
1023
1024 if (new_save >= 0)
1025 coro->save = new_save;
1026
1027 return old_save;
1028} 1175}
1029 1176
1030/** Coro ********************************************************************/ 1177/** Coro ********************************************************************/
1031 1178
1032static void 1179static void
… …
1126 break; 1273 break;
1127 } 1274 }
1128 1275
1129 /* free this only after the transfer */ 1276 /* free this only after the transfer */
1130 prev_sv = SvRV (coro_current); 1277 prev_sv = SvRV (coro_current);
1131 SvRV_set (coro_current, next_sv);
1132 ta->prev = SvSTATE (prev_sv); 1278 ta->prev = SvSTATE (prev_sv);
1133 1279 TRANSFER_CHECK (*ta);
1134 assert (ta->next->flags & CF_READY); 1280 assert (ta->next->flags & CF_READY);
1135 ta->next->flags &= ~CF_READY; 1281 ta->next->flags &= ~CF_READY;
1282 SvRV_set (coro_current, next_sv);
1136 1283
1137 LOCK; 1284 LOCK;
1138 free_coro_mortal (aTHX); 1285 free_coro_mortal (aTHX);
1139 coro_mortal = prev_sv; 1286 coro_mortal = prev_sv;
1140 UNLOCK; 1287 UNLOCK;
… …
1201 } 1348 }
1202 else 1349 else
1203 return 0; 1350 return 0;
1204} 1351}
1205 1352
1353static void
1354api_trace (SV *coro_sv, int flags)
1355{
1356 dTHX;
1357 struct coro *coro = SvSTATE (coro_sv);
1358
1359 if (flags & CC_TRACE)
1360 {
1361 if (!coro->cctx)
1362 coro->cctx = cctx_new ();
1363 else if (!(coro->cctx->flags & CC_TRACE))
1364 croak ("cannot enable tracing on coroutine with custom stack");
1365
1366 coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL));
1367 }
1368 else if (coro->cctx && coro->cctx->flags & CC_TRACE)
1369 {
1370 coro->cctx->flags &= ~(CC_TRACE | CC_TRACE_ALL);
1371
1372 if (coro->flags & CF_RUNNING)
1373 PL_runops = RUNOPS_DEFAULT;
1374 else
1375 coro->runops = RUNOPS_DEFAULT;
1376 }
1377}
1378
1206MODULE = Coro::State PACKAGE = Coro::State 1379MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1207 1380
1208PROTOTYPES: DISABLE 1381PROTOTYPES: DISABLE
1209 1382
1210BOOT: 1383BOOT:
1211{ 1384{
1212#ifdef USE_ITHREADS 1385#ifdef USE_ITHREADS
1213 MUTEX_INIT (&coro_mutex); 1386 MUTEX_INIT (&coro_mutex);
1214#endif 1387#endif
1215 BOOT_PAGESIZE; 1388 BOOT_PAGESIZE;
1216 1389
1390 irsgv = gv_fetchpv ("/", 1, SVt_PV);
1391
1217 coro_state_stash = gv_stashpv ("Coro::State", TRUE); 1392 coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1218 1393
1219 newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV)); 1394 newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1220 newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV)); 1395 newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
1221 newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV));
1222 newCONSTSUB (coro_state_stash, "SAVE_IRSSV", newSViv (CORO_SAVE_IRSSV));
1223 newCONSTSUB (coro_state_stash, "SAVE_DEFFH", newSViv (CORO_SAVE_DEFFH));
1224 newCONSTSUB (coro_state_stash, "SAVE_DEF", newSViv (CORO_SAVE_DEF)); 1396 newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE));
1225 newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL)); 1397 newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL));
1226 1398
1227 main_mainstack = PL_mainstack; 1399 main_mainstack = PL_mainstack;
1228 main_top_env = PL_top_env; 1400 main_top_env = PL_top_env;
1229 1401
1230 while (main_top_env->je_prev) 1402 while (main_top_env->je_prev)
… …
1243 struct coro *coro; 1415 struct coro *coro;
1244 HV *hv; 1416 HV *hv;
1245 int i; 1417 int i;
1246 1418
1247 Newz (0, coro, 1, struct coro); 1419 Newz (0, coro, 1, struct coro);
1248 coro->args = newAV (); 1420 coro->args = newAV ();
1249 coro->save = CORO_SAVE_DEF;
1250 coro->flags = CF_NEW; 1421 coro->flags = CF_NEW;
1251 1422
1252 if (coro_first) coro_first->prev = coro; 1423 if (coro_first) coro_first->prev = coro;
1253 coro->next = coro_first; 1424 coro->next = coro_first;
1254 coro_first = coro; 1425 coro_first = coro;
… …
1261 av_push (coro->args, newSVsv (ST (i))); 1432 av_push (coro->args, newSVsv (ST (i)));
1262} 1433}
1263 OUTPUT: 1434 OUTPUT:
1264 RETVAL 1435 RETVAL
1265 1436
1266int 1437# these not obviously related functions are all rolled into the same xs
1267save (SV *coro, int new_save = -1) 1438# function to increase chances that they all will call transfer with the same
1268 CODE: 1439# stack offset
1269 RETVAL = api_save (coro, new_save);
1270 OUTPUT:
1271 RETVAL
1272
1273int
1274save_also (SV *coro_sv, int save_also)
1275 CODE:
1276{
1277 struct coro *coro = SvSTATE (coro_sv);
1278 RETVAL = coro->save;
1279 coro->save |= save_also;
1280}
1281 OUTPUT:
1282 RETVAL
1283
1284void 1440void
1285_set_stacklevel (...) 1441_set_stacklevel (...)
1286 ALIAS: 1442 ALIAS:
1287 Coro::State::transfer = 1 1443 Coro::State::transfer = 1
1288 Coro::schedule = 2 1444 Coro::schedule = 2
… …
1374 if (coro->hv) 1530 if (coro->hv)
1375 XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); 1531 XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv)));
1376} 1532}
1377 1533
1378void 1534void
1379_eval (Coro::State coro, SV *coderef) 1535call (Coro::State coro, SV *coderef)
1536 ALIAS:
1537 eval = 1
1380 CODE: 1538 CODE:
1381{ 1539{
1382 if (coro->mainstack) 1540 if (coro->mainstack)
1383 { 1541 {
1384 struct coro temp; 1542 struct coro temp;
1385 Zero (&temp, 1, struct coro); 1543 Zero (&temp, 1, struct coro);
1386 temp.save = CORO_SAVE_ALL;
1387 1544
1388 if (!(coro->flags & CF_RUNNING)) 1545 if (!(coro->flags & CF_RUNNING))
1389 { 1546 {
1390 save_perl (aTHX_ &temp); 1547 save_perl (aTHX_ &temp);
1391 load_perl (aTHX_ coro); 1548 load_perl (aTHX_ coro);
… …
1395 dSP; 1552 dSP;
1396 ENTER; 1553 ENTER;
1397 SAVETMPS; 1554 SAVETMPS;
1398 PUSHMARK (SP); 1555 PUSHMARK (SP);
1399 PUTBACK; 1556 PUTBACK;
1557 if (ix)
1558 eval_sv (coderef, 0);
1559 else
1400 call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); 1560 call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
1401 SPAGAIN; 1561 SPAGAIN;
1402 FREETMPS; 1562 FREETMPS;
1403 LEAVE; 1563 LEAVE;
1404 PUTBACK; 1564 PUTBACK;
1405 } 1565 }
… …
1409 save_perl (aTHX_ coro); 1569 save_perl (aTHX_ coro);
1410 load_perl (aTHX_ &temp); 1570 load_perl (aTHX_ &temp);
1411 } 1571 }
1412 } 1572 }
1413} 1573}
1414 1574
1415SV * 1575SV *
1416is_ready (Coro::State coro) 1576is_ready (Coro::State coro)
1417 PROTOTYPE: $ 1577 PROTOTYPE: $
1418 ALIAS: 1578 ALIAS:
1419 is_ready = CF_READY 1579 is_ready = CF_READY
… …
1423 CODE: 1583 CODE:
1424 RETVAL = boolSV (coro->flags & ix); 1584 RETVAL = boolSV (coro->flags & ix);
1425 OUTPUT: 1585 OUTPUT:
1426 RETVAL 1586 RETVAL
1427 1587
1588void
1589api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB)
1590
1591SV *
1592has_stack (Coro::State coro)
1593 PROTOTYPE: $
1594 CODE:
1595 RETVAL = boolSV (!!coro->cctx);
1596 OUTPUT:
1597 RETVAL
1598
1599int
1600is_traced (Coro::State coro)
1601 PROTOTYPE: $
1602 CODE:
1603 RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL;
1604 OUTPUT:
1605 RETVAL
1606
1428IV 1607IV
1429rss (Coro::State coro) 1608rss (Coro::State coro)
1430 PROTOTYPE: $ 1609 PROTOTYPE: $
1610 ALIAS:
1611 usecount = 1
1431 CODE: 1612 CODE:
1432 RETVAL = coro_rss (coro); 1613 switch (ix)
1614 {
1615 case 0: RETVAL = coro_rss (aTHX_ coro); break;
1616 case 1: RETVAL = coro->usecount; break;
1617 }
1433 OUTPUT: 1618 OUTPUT:
1434 RETVAL 1619 RETVAL
1435 1620
1436 1621
1437MODULE = Coro::State PACKAGE = Coro 1622MODULE = Coro::State PACKAGE = Coro
1438 1623
1439BOOT: 1624BOOT:
1440{ 1625{
1441 int i; 1626 int i;
1627
1628 sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE);
1629 sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE);
1630 av_async_pool = get_av ("Coro::async_pool", TRUE);
1631
1632 coro_current = get_sv ("Coro::current", FALSE);
1633 SvREADONLY_on (coro_current);
1442 1634
1443 coro_stash = gv_stashpv ("Coro", TRUE); 1635 coro_stash = gv_stashpv ("Coro", TRUE);
1444 1636
1445 newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); 1637 newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
1446 newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); 1638 newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
1447 newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); 1639 newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
1448 newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); 1640 newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
1449 newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE)); 1641 newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));
1450 newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN)); 1642 newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));
1451 1643
1452 coro_current = get_sv ("Coro::current", FALSE);
1453 SvREADONLY_on (coro_current);
1454
1455 for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) 1644 for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
1456 coro_ready[i] = newAV (); 1645 coro_ready[i] = newAV ();
1457 1646
1458 { 1647 {
1459 SV *sv = perl_get_sv("Coro::API", 1); 1648 SV *sv = perl_get_sv("Coro::API", 1);
1460 1649
1461 coroapi.schedule = api_schedule; 1650 coroapi.schedule = api_schedule;
1462 coroapi.save = api_save;
1463 coroapi.cede = api_cede; 1651 coroapi.cede = api_cede;
1464 coroapi.cede_notself = api_cede_notself; 1652 coroapi.cede_notself = api_cede_notself;
1465 coroapi.ready = api_ready; 1653 coroapi.ready = api_ready;
1466 coroapi.is_ready = api_is_ready; 1654 coroapi.is_ready = api_is_ready;
1467 coroapi.nready = &coro_nready; 1655 coroapi.nready = &coro_nready;
… …
1516 CODE: 1704 CODE:
1517 RETVAL = coro_nready; 1705 RETVAL = coro_nready;
1518 OUTPUT: 1706 OUTPUT:
1519 RETVAL 1707 RETVAL
1520 1708
1709# for async_pool speedup
1710void
1711_pool_1 (SV *cb)
1712 CODE:
1713{
1714 struct coro *coro = SvSTATE (coro_current);
1715 HV *hv = (HV *)SvRV (coro_current);
1716 AV *defav = GvAV (PL_defgv);
1717 SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
1718 AV *invoke_av;
1719 int i, len;
1720
1721 if (!invoke)
1722 croak ("\3terminate\2\n");
1723
1724 SvREFCNT_dec (coro->saved_deffh);
1725 coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);
1726
1727 hv_store (hv, "desc", sizeof ("desc") - 1,
1728 newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
1729
1730 invoke_av = (AV *)SvRV (invoke);
1731 len = av_len (invoke_av);
1732
1733 sv_setsv (cb, AvARRAY (invoke_av)[0]);
1734
1735 if (len > 0)
1736 {
1737 av_fill (defav, len - 1);
1738 for (i = 0; i < len; ++i)
1739 av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1]));
1740 }
1741
1742 SvREFCNT_dec (invoke);
1743}
1744
1745void
1746_pool_2 (SV *cb)
1747 CODE:
1748{
1749 struct coro *coro = SvSTATE (coro_current);
1750
1751 sv_setsv (cb, &PL_sv_undef);
1752
1753 SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh;
1754 coro->saved_deffh = 0;
1755
1756 if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1757 || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
1758 croak ("\3terminate\2\n");
1759
1760 av_clear (GvAV (PL_defgv));
1761 hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
1762 newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
1763
1764 coro->prio = 0;
1765
1766 if (coro->cctx && (coro->cctx->flags & CC_TRACE))
1767 api_trace (coro_current, 0);
1768
1769 av_push (av_async_pool, newSVsv (coro_current));
1770}
1771
1772
1521MODULE = Coro::State PACKAGE = Coro::AIO 1773MODULE = Coro::State PACKAGE = Coro::AIO
1522 1774
1523SV * 1775SV *
1524_get_state () 1776_get_state ()
1525 CODE: 1777 CODE:

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