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Comparing Coro/Coro/State.xs (file contents):
Revision 1.157 by root, Fri Sep 21 02:01:13 2007 UTC vs.
Revision 1.183 by root, Wed Oct 3 19:19:06 2007 UTC

… …
88/* prefer perl internal functions over our own? */ 88/* prefer perl internal functions over our own? */
89#ifndef CORO_PREFER_PERL_FUNCTIONS 89#ifndef CORO_PREFER_PERL_FUNCTIONS
90# define CORO_PREFER_PERL_FUNCTIONS 0 90# define CORO_PREFER_PERL_FUNCTIONS 0
91#endif 91#endif
92 92
93/* The next macro should declare a variable stacklevel that contains and approximation 93/* The next macros try to return the current stack pointer, in an as
94 * to the current C stack pointer. Its property is that it changes with each call 94 * portable way as possible. */
95 * and should be unique. */
96#define dSTACKLEVEL int stacklevel 95#define dSTACKLEVEL volatile char stacklevel
97#define STACKLEVEL ((void *)&stacklevel) 96#define STACKLEVEL ((void *)&stacklevel)
98 97
99#define IN_DESTRUCT (PL_main_cv == Nullcv) 98#define IN_DESTRUCT (PL_main_cv == Nullcv)
100 99
101#if __GNUC__ >= 3 100#if __GNUC__ >= 3
… …
133static AV *main_mainstack; /* used to differentiate between $main and others */ 132static AV *main_mainstack; /* used to differentiate between $main and others */
134static JMPENV *main_top_env; 133static JMPENV *main_top_env;
135static HV *coro_state_stash, *coro_stash; 134static HV *coro_state_stash, *coro_stash;
136static SV *coro_mortal; /* will be freed after next transfer */ 135static SV *coro_mortal; /* will be freed after next transfer */
137 136
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
138static struct coro_cctx *cctx_first; 144static struct coro_cctx *cctx_first;
139static 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};
140 155
141/* this is a structure representing a c-level coroutine */ 156/* this is a structure representing a c-level coroutine */
142typedef struct coro_cctx { 157typedef struct coro_cctx {
143 struct coro_cctx *next; 158 struct coro_cctx *next;
144 159
… …
153 coro_context cctx; 168 coro_context cctx;
154 169
155#if CORO_USE_VALGRIND 170#if CORO_USE_VALGRIND
156 int valgrind_id; 171 int valgrind_id;
157#endif 172#endif
158 char inuse, mapped; 173 unsigned char flags;
159} coro_cctx; 174} coro_cctx;
160 175
161enum { 176enum {
162 CF_RUNNING = 0x0001, /* coroutine is running */ 177 CF_RUNNING = 0x0001, /* coroutine is running */
163 CF_READY = 0x0002, /* coroutine is ready */ 178 CF_READY = 0x0002, /* coroutine is ready */
… …
171 coro_cctx *cctx; 186 coro_cctx *cctx;
172 187
173 /* data associated with this coroutine (initial args) */ 188 /* data associated with this coroutine (initial args) */
174 AV *args; 189 AV *args;
175 int refcnt; 190 int refcnt;
176 int save; /* CORO_SAVE flags */
177 int flags; /* CF_ flags */ 191 int flags; /* CF_ flags */
178 192
179 /* optionally saved, might be zero */ 193 /* optionally saved, might be zero */
180 AV *defav; /* @_ */ 194 AV *defav; /* @_ */
181 SV *defsv; /* $_ */ 195 SV *defsv; /* $_ */
… …
186 200
187#define VAR(name,type) type name; 201#define VAR(name,type) type name;
188# include "state.h" 202# include "state.h"
189#undef VAR 203#undef VAR
190 204
205 /* statistics */
206 int usecount; /* number of transfers to this coro */
207
191 /* coro process data */ 208 /* coro process data */
192 int prio; 209 int prio;
210 //SV *throw;
211
212 /* async_pool */
213 GV *asp_deffh;
193 214
194 /* linked list */ 215 /* linked list */
195 struct coro *next, *prev; 216 struct coro *next, *prev;
196 HV *hv; /* the perl hash associated with this coro, if any */ 217 HV *hv; /* the perl hash associated with this coro, if any */
197}; 218};
… …
285 SvMAGIC (cv) \ 306 SvMAGIC (cv) \
286 ? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \ 307 ? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \
287 ? SvMAGIC (cv) \ 308 ? SvMAGIC (cv) \
288 : mg_find ((SV *)cv, PERL_MAGIC_coro) \ 309 : mg_find ((SV *)cv, PERL_MAGIC_coro) \
289 : 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))
290 337
291/* the next two functions merely cache the padlists */ 338/* the next two functions merely cache the padlists */
292static void 339static void
293get_padlist (pTHX_ CV *cv) 340get_padlist (pTHX_ CV *cv)
294{ 341{
… …
333 AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); 380 AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
334} 381}
335 382
336/** load & save, init *******************************************************/ 383/** load & save, init *******************************************************/
337 384
338#define SB do {
339#define SE } while (0)
340
341#define REPLACE_SV(sv,val) SB SvREFCNT_dec (sv); (sv) = (val); (val) = 0; SE
342
343static void 385static void
344load_perl (pTHX_ Coro__State c) 386load_perl (pTHX_ Coro__State c)
345{ 387{
346#define VAR(name,type) PL_ ## name = c->name; 388#define VAR(name,type) PL_ ## name = c->name;
347# include "state.h" 389# include "state.h"
348#undef VAR 390#undef VAR
349 391
350 if (c->defav) REPLACE_SV (GvAV (PL_defgv), c->defav); 392 GvSV (PL_defgv) = c->defsv;
351 if (c->defsv) REPLACE_SV (DEFSV , c->defsv); 393 GvAV (PL_defgv) = c->defav;
352 if (c->errsv) REPLACE_SV (ERRSV , c->errsv); 394 GvSV (PL_errgv) = c->errsv;
353 if (c->deffh) REPLACE_SV (PL_defoutgv , c->deffh); 395 PL_defoutgv = c->deffh;
354 396 PL_rs = c->irssv;
355 if (c->irssv) 397 GvSV (irsgv) = c->irssv_sv;
356 {
357 if (c->irssv == PL_rs || sv_eq (PL_rs, c->irssv))
358 {
359 SvREFCNT_dec (c->irssv);
360 c->irssv = 0;
361 }
362 else
363 {
364 REPLACE_SV (PL_rs, c->irssv);
365 if (!c->irssv_sv) c->irssv_sv = get_sv ("/", 0);
366 sv_setsv (c->irssv_sv, PL_rs);
367 }
368 }
369 398
370 { 399 {
371 dSP; 400 dSP;
372 CV *cv; 401 CV *cv;
373 402
… …
424 453
425 if (top_si->si_type == PERLSI_MAIN) 454 if (top_si->si_type == PERLSI_MAIN)
426 break; 455 break;
427 456
428 top_si = top_si->si_prev; 457 top_si = top_si->si_prev;
429 ccstk = top_si->si_cxstack; 458 ccstk = top_si->si_cxstack;
430 cxix = top_si->si_cxix; 459 cxix = top_si->si_cxix;
431 } 460 }
432 461
433 PUTBACK; 462 PUTBACK;
434 } 463 }
435 464
436 c->defav = c->save & CORO_SAVE_DEFAV ? (AV *)SvREFCNT_inc (GvAV (PL_defgv)) : 0; 465 c->defav = GvAV (PL_defgv);
437 c->defsv = c->save & CORO_SAVE_DEFSV ? SvREFCNT_inc (DEFSV) : 0; 466 c->defsv = DEFSV;
438 c->errsv = c->save & CORO_SAVE_ERRSV ? SvREFCNT_inc (ERRSV) : 0; 467 c->errsv = ERRSV;
439 c->deffh = c->save & CORO_SAVE_DEFFH ? (GV *)SvREFCNT_inc (PL_defoutgv) : 0; 468 c->deffh = PL_defoutgv;
440 c->irssv = c->save & CORO_SAVE_IRSSV ? SvREFCNT_inc (PL_rs) : 0; 469 c->irssv = PL_rs;
470 c->irssv_sv = GvSV (irsgv);
441 471
442#define VAR(name,type)c->name = PL_ ## name; 472#define VAR(name,type)c->name = PL_ ## name;
443# include "state.h" 473# include "state.h"
444#undef VAR 474#undef VAR
445} 475}
… …
498 * destroy the stacks, the callchain etc... 528 * destroy the stacks, the callchain etc...
499 */ 529 */
500static void 530static void
501coro_destroy_stacks (pTHX) 531coro_destroy_stacks (pTHX)
502{ 532{
503 if (!IN_DESTRUCT)
504 {
505 /* restore all saved variables and stuff */
506 LEAVE_SCOPE (0);
507 assert (PL_tmps_floor == -1);
508
509 /* free all temporaries */
510 FREETMPS;
511 assert (PL_tmps_ix == -1);
512
513 /* unwind all extra stacks */
514 POPSTACK_TO (PL_mainstack);
515
516 /* unwind main stack */
517 dounwind (-1);
518 }
519
520 while (PL_curstackinfo->si_next) 533 while (PL_curstackinfo->si_next)
521 PL_curstackinfo = PL_curstackinfo->si_next; 534 PL_curstackinfo = PL_curstackinfo->si_next;
522 535
523 while (PL_curstackinfo) 536 while (PL_curstackinfo)
524 { 537 {
… …
540 Safefree (PL_retstack); 553 Safefree (PL_retstack);
541#endif 554#endif
542} 555}
543 556
544static size_t 557static size_t
545coro_rss (struct coro *coro) 558coro_rss (pTHX_ struct coro *coro)
546{ 559{
547 size_t rss = sizeof (coro); 560 size_t rss = sizeof (*coro);
548 561
549 if (coro->mainstack) 562 if (coro->mainstack)
550 { 563 {
551 if (coro->flags & CF_RUNNING) 564 if (coro->flags & CF_RUNNING)
552 { 565 {
… …
573} 586}
574 587
575/** coroutine stack handling ************************************************/ 588/** coroutine stack handling ************************************************/
576 589
577static void 590static void
578setup_coro (pTHX_ struct coro *coro) 591coro_setup (pTHX_ struct coro *coro)
579{ 592{
580 /* 593 /*
581 * emulate part of the perl startup here. 594 * emulate part of the perl startup here.
582 */ 595 */
583 coro_init_stacks (aTHX); 596 coro_init_stacks (aTHX);
584 597
598 PL_runops = RUNOPS_DEFAULT;
585 PL_curcop = &PL_compiling; 599 PL_curcop = &PL_compiling;
586 PL_in_eval = EVAL_NULL; 600 PL_in_eval = EVAL_NULL;
587 PL_comppad = 0; 601 PL_comppad = 0;
588 PL_curpm = 0; 602 PL_curpm = 0;
589 PL_localizing = 0; 603 PL_localizing = 0;
590 PL_dirty = 0; 604 PL_dirty = 0;
591 PL_restartop = 0; 605 PL_restartop = 0;
606
607 GvSV (PL_defgv) = NEWSV (0, 0);
608 GvAV (PL_defgv) = coro->args; coro->args = 0;
609 GvSV (PL_errgv) = NEWSV (0, 0);
610 GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
611 PL_rs = newSVsv (GvSV (irsgv));
612
613 {
614 IO *io = newIO ();
615 PL_defoutgv = newGVgen ("Coro");
616 GvIOp(PL_defoutgv) = io;
617 IoTYPE (io) = IoTYPE_WRONLY;
618 IoOFP (io) = IoIFP (io) = PerlIO_stdout ();
619 IoFLAGS (io) |= IOf_FLUSH;
620 }
592 621
593 { 622 {
594 dSP; 623 dSP;
595 LOGOP myop; 624 LOGOP myop;
596
597 SvREFCNT_dec (GvAV (PL_defgv));
598 GvAV (PL_defgv) = coro->args; coro->args = 0;
599 625
600 Zero (&myop, 1, LOGOP); 626 Zero (&myop, 1, LOGOP);
601 myop.op_next = Nullop; 627 myop.op_next = Nullop;
602 myop.op_flags = OPf_WANT_VOID; 628 myop.op_flags = OPf_WANT_VOID;
603 629
… …
611 637
612 ENTER; /* necessary e.g. for dounwind */ 638 ENTER; /* necessary e.g. for dounwind */
613} 639}
614 640
615static void 641static void
642coro_destroy (pTHX_ struct coro *coro)
643{
644 if (!IN_DESTRUCT)
645 {
646 /* restore all saved variables and stuff */
647 LEAVE_SCOPE (0);
648 assert (PL_tmps_floor == -1);
649
650 /* free all temporaries */
651 FREETMPS;
652 assert (PL_tmps_ix == -1);
653
654 /* unwind all extra stacks */
655 POPSTACK_TO (PL_mainstack);
656
657 /* unwind main stack */
658 dounwind (-1);
659 }
660
661 SvREFCNT_dec (GvSV (PL_defgv));
662 SvREFCNT_dec (GvAV (PL_defgv));
663 SvREFCNT_dec (GvSV (PL_errgv));
664 SvREFCNT_dec (PL_defoutgv);
665 SvREFCNT_dec (PL_rs);
666 SvREFCNT_dec (GvSV (irsgv));
667
668 SvREFCNT_dec (coro->asp_deffh);
669 //SvREFCNT_dec (coro->throw);
670
671 coro_destroy_stacks (aTHX);
672}
673
674static void
616free_coro_mortal (pTHX) 675free_coro_mortal (pTHX)
617{ 676{
618 if (coro_mortal) 677 if (coro_mortal)
619 { 678 {
620 SvREFCNT_dec (coro_mortal); 679 SvREFCNT_dec (coro_mortal);
621 coro_mortal = 0; 680 coro_mortal = 0;
622 } 681 }
682}
683
684static int
685runops_trace (pTHX)
686{
687 COP *oldcop = 0;
688 int oldcxix = -2;
689 struct coro *coro = SvSTATE (coro_current); /* trace cctx is tied to specific coro */
690 coro_cctx *cctx = coro->cctx;
691
692 while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))
693 {
694 PERL_ASYNC_CHECK ();
695
696 if (cctx->flags & CC_TRACE_ALL)
697 {
698 if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB)
699 {
700 PERL_CONTEXT *cx = &cxstack[cxstack_ix];
701 SV **bot, **top;
702 AV *av = newAV (); /* return values */
703 SV **cb;
704 dSP;
705
706 GV *gv = CvGV (cx->blk_sub.cv);
707 SV *fullname = sv_2mortal (newSV (0));
708 if (isGV (gv))
709 gv_efullname3 (fullname, gv, 0);
710
711 bot = PL_stack_base + cx->blk_oldsp + 1;
712 top = cx->blk_gimme == G_ARRAY ? SP + 1
713 : cx->blk_gimme == G_SCALAR ? bot + 1
714 : bot;
715
716 while (bot < top)
717 av_push (av, SvREFCNT_inc (*bot++));
718
719 PL_runops = RUNOPS_DEFAULT;
720 ENTER;
721 SAVETMPS;
722 EXTEND (SP, 3);
723 PUSHMARK (SP);
724 PUSHs (&PL_sv_no);
725 PUSHs (fullname);
726 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
727 PUTBACK;
728 cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
729 if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
730 SPAGAIN;
731 FREETMPS;
732 LEAVE;
733 PL_runops = runops_trace;
734 }
735
736 if (oldcop != PL_curcop)
737 {
738 oldcop = PL_curcop;
739
740 if (PL_curcop != &PL_compiling)
741 {
742 SV **cb;
743
744 if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB)
745 {
746 PERL_CONTEXT *cx = &cxstack[cxstack_ix];
747
748 if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)
749 {
750 runops_proc_t old_runops = PL_runops;
751 dSP;
752 GV *gv = CvGV (cx->blk_sub.cv);
753 SV *fullname = sv_2mortal (newSV (0));
754
755 if (isGV (gv))
756 gv_efullname3 (fullname, gv, 0);
757
758 PL_runops = RUNOPS_DEFAULT;
759 ENTER;
760 SAVETMPS;
761 EXTEND (SP, 3);
762 PUSHMARK (SP);
763 PUSHs (&PL_sv_yes);
764 PUSHs (fullname);
765 PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
766 PUTBACK;
767 cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
768 if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
769 SPAGAIN;
770 FREETMPS;
771 LEAVE;
772 PL_runops = runops_trace;
773 }
774
775 oldcxix = cxstack_ix;
776 }
777
778 if (cctx->flags & CC_TRACE_LINE)
779 {
780 dSP;
781
782 PL_runops = RUNOPS_DEFAULT;
783 ENTER;
784 SAVETMPS;
785 EXTEND (SP, 3);
786 PL_runops = RUNOPS_DEFAULT;
787 PUSHMARK (SP);
788 PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));
789 PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));
790 PUTBACK;
791 cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0);
792 if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
793 SPAGAIN;
794 FREETMPS;
795 LEAVE;
796 PL_runops = runops_trace;
797 }
798 }
799 }
800 }
801 }
802
803 TAINT_NOT;
804 return 0;
623} 805}
624 806
625/* inject a fake call to Coro::State::_cctx_init into the execution */ 807/* inject a fake call to Coro::State::_cctx_init into the execution */
626/* _cctx_init should be careful, as it could be called at almost any time */ 808/* _cctx_init should be careful, as it could be called at almost any time */
627/* during execution of a perl program */ 809/* during execution of a perl program */
628static void NOINLINE 810static void NOINLINE
629prepare_cctx (pTHX_ coro_cctx *cctx) 811prepare_cctx (pTHX_ coro_cctx *cctx)
630{ 812{
631 dSP; 813 dSP;
632 LOGOP myop; 814 LOGOP myop;
815
816 PL_top_env = &PL_start_env;
817
818 if (cctx->flags & CC_TRACE)
819 PL_runops = runops_trace;
633 820
634 Zero (&myop, 1, LOGOP); 821 Zero (&myop, 1, LOGOP);
635 myop.op_next = PL_op; 822 myop.op_next = PL_op;
636 myop.op_flags = OPf_WANT_VOID | OPf_STACKED; 823 myop.op_flags = OPf_WANT_VOID | OPf_STACKED;
637 824
… …
654 dTHX; 841 dTHX;
655 842
656 /* coro_run is the alternative tail of transfer(), so unlock here. */ 843 /* coro_run is the alternative tail of transfer(), so unlock here. */
657 UNLOCK; 844 UNLOCK;
658 845
659 PL_top_env = &PL_start_env; 846 /* we now skip the entersub that lead to transfer() */
847 PL_op = PL_op->op_next;
660 848
661 /* inject a fake subroutine call to cctx_init */ 849 /* inject a fake subroutine call to cctx_init */
662 prepare_cctx (aTHX_ (coro_cctx *)arg); 850 prepare_cctx (aTHX_ (coro_cctx *)arg);
663 851
664 /* somebody or something will hit me for both perl_run and PL_restartop */ 852 /* somebody or something will hit me for both perl_run and PL_restartop */
… …
698# if CORO_STACKGUARD 886# if CORO_STACKGUARD
699 mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); 887 mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE);
700# endif 888# endif
701 stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr; 889 stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr;
702 stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE; 890 stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE;
703 cctx->mapped = 1; 891 cctx->flags |= CC_MAPPED;
704 } 892 }
705 else 893 else
706#endif 894#endif
707 { 895 {
708 cctx->ssize = coro_stacksize * (long)sizeof (long); 896 cctx->ssize = coro_stacksize * (long)sizeof (long);
… …
735#if CORO_USE_VALGRIND 923#if CORO_USE_VALGRIND
736 VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); 924 VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
737#endif 925#endif
738 926
739#if HAVE_MMAP 927#if HAVE_MMAP
740 if (cctx->mapped) 928 if (cctx->flags & CC_MAPPED)
741 munmap (cctx->sptr, cctx->ssize); 929 munmap (cctx->sptr, cctx->ssize);
742 else 930 else
743#endif 931#endif
744 Safefree (cctx->sptr); 932 Safefree (cctx->sptr);
745 933
… …
753 { 941 {
754 coro_cctx *cctx = cctx_first; 942 coro_cctx *cctx = cctx_first;
755 cctx_first = cctx->next; 943 cctx_first = cctx->next;
756 --cctx_idle; 944 --cctx_idle;
757 945
758 if (cctx->ssize >= coro_stacksize) 946 if (cctx->ssize >= coro_stacksize && !(cctx->flags & CC_NOREUSE))
759 return cctx; 947 return cctx;
760 948
761 cctx_destroy (cctx); 949 cctx_destroy (cctx);
762 } 950 }
763 951
764 PL_op = PL_op->op_next;
765 return cctx_new (); 952 return cctx_new ();
766} 953}
767 954
768static void 955static void
769cctx_put (coro_cctx *cctx) 956cctx_put (coro_cctx *cctx)
… …
773 { 960 {
774 coro_cctx *first = cctx_first; 961 coro_cctx *first = cctx_first;
775 cctx_first = first->next; 962 cctx_first = first->next;
776 --cctx_idle; 963 --cctx_idle;
777 964
778 assert (!first->inuse);
779 cctx_destroy (first); 965 cctx_destroy (first);
780 } 966 }
781 967
782 ++cctx_idle; 968 ++cctx_idle;
783 cctx->next = cctx_first; 969 cctx->next = cctx_first;
784 cctx_first = cctx; 970 cctx_first = cctx;
785} 971}
786 972
787/** coroutine switching *****************************************************/ 973/** coroutine switching *****************************************************/
788 974
789/* never call directly, always through the coro_state_transfer global variable */ 975static void NOINLINE
976transfer_check (pTHX_ struct coro *prev, struct coro *next)
977{
978 if (prev != next)
979 {
980 if (!(prev->flags & (CF_RUNNING | CF_NEW)))
981 croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states");
982
983 if (next->flags & CF_RUNNING)
984 croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
985
986 if (next->flags & CF_DESTROYED)
987 croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
988
989 if (PL_lex_state != LEX_NOTPARSING)
990 croak ("Coro::State::transfer called while parsing, but this is not supported");
991 }
992}
993
994/* always use the TRANSFER macro */
790static void NOINLINE 995static void NOINLINE
791transfer (pTHX_ struct coro *prev, struct coro *next) 996transfer (pTHX_ struct coro *prev, struct coro *next)
792{ 997{
793 dSTACKLEVEL; 998 dSTACKLEVEL;
794 999
… …
804 1009
805 if (prev->flags & CF_NEW) 1010 if (prev->flags & CF_NEW)
806 { 1011 {
807 /* create a new empty context */ 1012 /* create a new empty context */
808 Newz (0, prev->cctx, 1, coro_cctx); 1013 Newz (0, prev->cctx, 1, coro_cctx);
809 prev->cctx->inuse = 1;
810 prev->flags &= ~CF_NEW; 1014 prev->flags &= ~CF_NEW;
811 prev->flags |= CF_RUNNING; 1015 prev->flags |= CF_RUNNING;
812 } 1016 }
813
814 /*TODO: must not croak here */
815 if (!prev->flags & CF_RUNNING)
816 croak ("Coro::State::transfer called with non-running prev Coro::State, but can only transfer from running states");
817
818 if (next->flags & CF_RUNNING)
819 croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
820
821 if (next->flags & CF_DESTROYED)
822 croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
823 1017
824 prev->flags &= ~CF_RUNNING; 1018 prev->flags &= ~CF_RUNNING;
825 next->flags |= CF_RUNNING; 1019 next->flags |= CF_RUNNING;
826 1020
827 LOCK; 1021 LOCK;
… …
831 /* need to start coroutine */ 1025 /* need to start coroutine */
832 next->flags &= ~CF_NEW; 1026 next->flags &= ~CF_NEW;
833 /* first get rid of the old state */ 1027 /* first get rid of the old state */
834 save_perl (aTHX_ prev); 1028 save_perl (aTHX_ prev);
835 /* setup coroutine call */ 1029 /* setup coroutine call */
836 setup_coro (aTHX_ next); 1030 coro_setup (aTHX_ next);
837 /* need a new stack */
838 assert (!next->cctx);
839 } 1031 }
840 else 1032 else
841 { 1033 {
842 /* coroutine already started */ 1034 /* coroutine already started */
843 save_perl (aTHX_ prev); 1035 save_perl (aTHX_ prev);
… …
845 } 1037 }
846 1038
847 prev__cctx = prev->cctx; 1039 prev__cctx = prev->cctx;
848 1040
849 /* possibly "free" the cctx */ 1041 /* possibly "free" the cctx */
850 if (prev__cctx->idle_sp == STACKLEVEL) 1042 if (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE))
851 { 1043 {
852 /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */ 1044 /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */
853 assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te)); 1045 assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
854 1046
855 prev->cctx = 0; 1047 prev->cctx = 0;
856 1048
857 cctx_put (prev__cctx); 1049 cctx_put (prev__cctx);
858 prev__cctx->inuse = 0;
859 } 1050 }
860 1051
1052 ++next->usecount;
1053
861 if (!next->cctx) 1054 if (!next->cctx)
862 {
863 next->cctx = cctx_get (aTHX); 1055 next->cctx = cctx_get (aTHX);
864 assert (!next->cctx->inuse);
865 next->cctx->inuse = 1;
866 }
867 1056
868 if (prev__cctx != next->cctx) 1057 if (prev__cctx != next->cctx)
869 { 1058 {
870 prev__cctx->top_env = PL_top_env; 1059 prev__cctx->top_env = PL_top_env;
871 PL_top_env = next->cctx->top_env; 1060 PL_top_env = next->cctx->top_env;
… …
881{ 1070{
882 struct coro *prev, *next; 1071 struct coro *prev, *next;
883}; 1072};
884 1073
885#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next) 1074#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)
1075#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
886 1076
887/** high level stuff ********************************************************/ 1077/** high level stuff ********************************************************/
888 1078
889static int 1079static int
890coro_state_destroy (pTHX_ struct coro *coro) 1080coro_state_destroy (pTHX_ struct coro *coro)
… …
907 1097
908 if (coro->mainstack && coro->mainstack != main_mainstack) 1098 if (coro->mainstack && coro->mainstack != main_mainstack)
909 { 1099 {
910 struct coro temp; 1100 struct coro temp;
911 1101
912 assert (!(coro->flags & CF_RUNNING));
913
914 Zero (&temp, 1, struct coro);
915 temp.save = CORO_SAVE_ALL;
916
917 if (coro->flags & CF_RUNNING) 1102 if (coro->flags & CF_RUNNING)
918 croak ("FATAL: tried to destroy currently running coroutine"); 1103 croak ("FATAL: tried to destroy currently running coroutine");
919 1104
920 save_perl (aTHX_ &temp); 1105 save_perl (aTHX_ &temp);
921 load_perl (aTHX_ coro); 1106 load_perl (aTHX_ coro);
922 1107
923 coro_destroy_stacks (aTHX); 1108 coro_destroy (aTHX_ coro);
924 1109
925 load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */ 1110 load_perl (aTHX_ &temp); /* this will get rid of defsv etc.. */
926 1111
927 coro->mainstack = 0; 1112 coro->mainstack = 0;
928 } 1113 }
… …
973#else 1158#else
974# define MGf_DUP 0 1159# define MGf_DUP 0
975#endif 1160#endif
976}; 1161};
977 1162
978static struct coro *
979SvSTATE_ (pTHX_ SV *coro)
980{
981 HV *stash;
982 MAGIC *mg;
983
984 if (SvROK (coro))
985 coro = SvRV (coro);
986
987 stash = SvSTASH (coro);
988 if (stash != coro_stash && stash != coro_state_stash)
989 {
990 /* very slow, but rare, check */
991 if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
992 croak ("Coro::State object required");
993 }
994
995 mg = CORO_MAGIC (coro);
996 return (struct coro *)mg->mg_ptr;
997}
998
999#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
1000
1001static void 1163static void
1002prepare_transfer (pTHX_ struct transfer_args *ta, SV *prev_sv, SV *next_sv) 1164prepare_transfer (pTHX_ struct transfer_args *ta, SV *prev_sv, SV *next_sv)
1003{ 1165{
1004 ta->prev = SvSTATE (prev_sv); 1166 ta->prev = SvSTATE (prev_sv);
1005 ta->next = SvSTATE (next_sv); 1167 ta->next = SvSTATE (next_sv);
1168 TRANSFER_CHECK (*ta);
1006} 1169}
1007 1170
1008static void 1171static void
1009api_transfer (SV *prev_sv, SV *next_sv) 1172api_transfer (SV *prev_sv, SV *next_sv)
1010{ 1173{
1011 dTHX; 1174 dTHX;
1012 struct transfer_args ta; 1175 struct transfer_args ta;
1013 1176
1014 prepare_transfer (aTHX_ &ta, prev_sv, next_sv); 1177 prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1015 TRANSFER (ta); 1178 TRANSFER (ta);
1016}
1017
1018static int
1019api_save (SV *coro_sv, int new_save)
1020{
1021 dTHX;
1022 struct coro *coro = SvSTATE (coro_sv);
1023 int old_save = coro->save;
1024
1025 if (new_save >= 0)
1026 coro->save = new_save;
1027
1028 return old_save;
1029} 1179}
1030 1180
1031/** Coro ********************************************************************/ 1181/** Coro ********************************************************************/
1032 1182
1033static void 1183static void
… …
1127 break; 1277 break;
1128 } 1278 }
1129 1279
1130 /* free this only after the transfer */ 1280 /* free this only after the transfer */
1131 prev_sv = SvRV (coro_current); 1281 prev_sv = SvRV (coro_current);
1132 SvRV_set (coro_current, next_sv);
1133 ta->prev = SvSTATE (prev_sv); 1282 ta->prev = SvSTATE (prev_sv);
1134 1283 TRANSFER_CHECK (*ta);
1135 assert (ta->next->flags & CF_READY); 1284 assert (ta->next->flags & CF_READY);
1136 ta->next->flags &= ~CF_READY; 1285 ta->next->flags &= ~CF_READY;
1286 SvRV_set (coro_current, next_sv);
1137 1287
1138 LOCK; 1288 LOCK;
1139 free_coro_mortal (aTHX); 1289 free_coro_mortal (aTHX);
1140 coro_mortal = prev_sv; 1290 coro_mortal = prev_sv;
1141 UNLOCK; 1291 UNLOCK;
… …
1202 } 1352 }
1203 else 1353 else
1204 return 0; 1354 return 0;
1205} 1355}
1206 1356
1357static void
1358api_trace (SV *coro_sv, int flags)
1359{
1360 dTHX;
1361 struct coro *coro = SvSTATE (coro_sv);
1362
1363 if (flags & CC_TRACE)
1364 {
1365 if (!coro->cctx)
1366 coro->cctx = cctx_new ();
1367 else if (!(coro->cctx->flags & CC_TRACE))
1368 croak ("cannot enable tracing on coroutine with custom stack");
1369
1370 coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL));
1371 }
1372 else if (coro->cctx && coro->cctx->flags & CC_TRACE)
1373 {
1374 coro->cctx->flags &= ~(CC_TRACE | CC_TRACE_ALL);
1375
1376 if (coro->flags & CF_RUNNING)
1377 PL_runops = RUNOPS_DEFAULT;
1378 else
1379 coro->runops = RUNOPS_DEFAULT;
1380 }
1381}
1382
1207MODULE = Coro::State PACKAGE = Coro::State 1383MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1208 1384
1209PROTOTYPES: DISABLE 1385PROTOTYPES: DISABLE
1210 1386
1211BOOT: 1387BOOT:
1212{ 1388{
1213#ifdef USE_ITHREADS 1389#ifdef USE_ITHREADS
1214 MUTEX_INIT (&coro_mutex); 1390 MUTEX_INIT (&coro_mutex);
1215#endif 1391#endif
1216 BOOT_PAGESIZE; 1392 BOOT_PAGESIZE;
1217 1393
1394 irsgv = gv_fetchpv ("/", 1, SVt_PV);
1395
1218 coro_state_stash = gv_stashpv ("Coro::State", TRUE); 1396 coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1219 1397
1220 newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV)); 1398 newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1221 newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV)); 1399 newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
1222 newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV));
1223 newCONSTSUB (coro_state_stash, "SAVE_IRSSV", newSViv (CORO_SAVE_IRSSV));
1224 newCONSTSUB (coro_state_stash, "SAVE_DEFFH", newSViv (CORO_SAVE_DEFFH));
1225 newCONSTSUB (coro_state_stash, "SAVE_DEF", newSViv (CORO_SAVE_DEF)); 1400 newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE));
1226 newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL)); 1401 newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL));
1227 1402
1228 main_mainstack = PL_mainstack; 1403 main_mainstack = PL_mainstack;
1229 main_top_env = PL_top_env; 1404 main_top_env = PL_top_env;
1230 1405
1231 while (main_top_env->je_prev) 1406 while (main_top_env->je_prev)
… …
1244 struct coro *coro; 1419 struct coro *coro;
1245 HV *hv; 1420 HV *hv;
1246 int i; 1421 int i;
1247 1422
1248 Newz (0, coro, 1, struct coro); 1423 Newz (0, coro, 1, struct coro);
1249 coro->args = newAV (); 1424 coro->args = newAV ();
1250 coro->save = CORO_SAVE_DEF;
1251 coro->flags = CF_NEW; 1425 coro->flags = CF_NEW;
1252 1426
1253 if (coro_first) coro_first->prev = coro; 1427 if (coro_first) coro_first->prev = coro;
1254 coro->next = coro_first; 1428 coro->next = coro_first;
1255 coro_first = coro; 1429 coro_first = coro;
… …
1262 av_push (coro->args, newSVsv (ST (i))); 1436 av_push (coro->args, newSVsv (ST (i)));
1263} 1437}
1264 OUTPUT: 1438 OUTPUT:
1265 RETVAL 1439 RETVAL
1266 1440
1267int 1441# these not obviously related functions are all rolled into the same xs
1268save (SV *coro, int new_save = -1) 1442# function to increase chances that they all will call transfer with the same
1269 CODE: 1443# stack offset
1270 RETVAL = api_save (coro, new_save);
1271 OUTPUT:
1272 RETVAL
1273
1274int
1275save_also (SV *coro_sv, int save_also)
1276 CODE:
1277{
1278 struct coro *coro = SvSTATE (coro_sv);
1279 RETVAL = coro->save;
1280 coro->save |= save_also;
1281}
1282 OUTPUT:
1283 RETVAL
1284
1285void 1444void
1286_set_stacklevel (...) 1445_set_stacklevel (...)
1287 ALIAS: 1446 ALIAS:
1288 Coro::State::transfer = 1 1447 Coro::State::transfer = 1
1289 Coro::schedule = 2 1448 Coro::schedule = 2
… …
1375 if (coro->hv) 1534 if (coro->hv)
1376 XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); 1535 XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv)));
1377} 1536}
1378 1537
1379void 1538void
1380_eval (Coro::State coro, SV *coderef) 1539call (Coro::State coro, SV *coderef)
1540 ALIAS:
1541 eval = 1
1381 CODE: 1542 CODE:
1382{ 1543{
1383 if (coro->mainstack) 1544 if (coro->mainstack)
1384 { 1545 {
1385 struct coro temp; 1546 struct coro temp;
1386 Zero (&temp, 1, struct coro); 1547 Zero (&temp, 1, struct coro);
1387 temp.save = CORO_SAVE_ALL;
1388 1548
1389 if (!(coro->flags & CF_RUNNING)) 1549 if (!(coro->flags & CF_RUNNING))
1390 { 1550 {
1391 save_perl (aTHX_ &temp); 1551 save_perl (aTHX_ &temp);
1392 load_perl (aTHX_ coro); 1552 load_perl (aTHX_ coro);
… …
1396 dSP; 1556 dSP;
1397 ENTER; 1557 ENTER;
1398 SAVETMPS; 1558 SAVETMPS;
1399 PUSHMARK (SP); 1559 PUSHMARK (SP);
1400 PUTBACK; 1560 PUTBACK;
1561 if (ix)
1562 eval_sv (coderef, 0);
1563 else
1401 call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); 1564 call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
1402 SPAGAIN; 1565 SPAGAIN;
1403 FREETMPS; 1566 FREETMPS;
1404 LEAVE; 1567 LEAVE;
1405 PUTBACK; 1568 PUTBACK;
1406 } 1569 }
… …
1410 save_perl (aTHX_ coro); 1573 save_perl (aTHX_ coro);
1411 load_perl (aTHX_ &temp); 1574 load_perl (aTHX_ &temp);
1412 } 1575 }
1413 } 1576 }
1414} 1577}
1415 1578
1416SV * 1579SV *
1417is_ready (Coro::State coro) 1580is_ready (Coro::State coro)
1418 PROTOTYPE: $ 1581 PROTOTYPE: $
1419 ALIAS: 1582 ALIAS:
1420 is_ready = CF_READY 1583 is_ready = CF_READY
… …
1424 CODE: 1587 CODE:
1425 RETVAL = boolSV (coro->flags & ix); 1588 RETVAL = boolSV (coro->flags & ix);
1426 OUTPUT: 1589 OUTPUT:
1427 RETVAL 1590 RETVAL
1428 1591
1592void
1593api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB)
1594
1595SV *
1596has_stack (Coro::State coro)
1597 PROTOTYPE: $
1598 CODE:
1599 RETVAL = boolSV (!!coro->cctx);
1600 OUTPUT:
1601 RETVAL
1602
1603int
1604is_traced (Coro::State coro)
1605 PROTOTYPE: $
1606 CODE:
1607 RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL;
1608 OUTPUT:
1609 RETVAL
1610
1429IV 1611IV
1430rss (Coro::State coro) 1612rss (Coro::State coro)
1431 PROTOTYPE: $ 1613 PROTOTYPE: $
1614 ALIAS:
1615 usecount = 1
1432 CODE: 1616 CODE:
1433 RETVAL = coro_rss (coro); 1617 switch (ix)
1618 {
1619 case 0: RETVAL = coro_rss (aTHX_ coro); break;
1620 case 1: RETVAL = coro->usecount; break;
1621 }
1434 OUTPUT: 1622 OUTPUT:
1435 RETVAL 1623 RETVAL
1436 1624
1437 1625
1438MODULE = Coro::State PACKAGE = Coro 1626MODULE = Coro::State PACKAGE = Coro
1439 1627
1440BOOT: 1628BOOT:
1441{ 1629{
1442 int i; 1630 int i;
1631
1632 sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE);
1633 sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE);
1634 av_async_pool = get_av ("Coro::async_pool", TRUE);
1635
1636 coro_current = get_sv ("Coro::current", FALSE);
1637 SvREADONLY_on (coro_current);
1443 1638
1444 coro_stash = gv_stashpv ("Coro", TRUE); 1639 coro_stash = gv_stashpv ("Coro", TRUE);
1445 1640
1446 newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); 1641 newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
1447 newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); 1642 newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
1448 newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); 1643 newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
1449 newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); 1644 newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
1450 newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE)); 1645 newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));
1451 newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN)); 1646 newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));
1452 1647
1453 coro_current = get_sv ("Coro::current", FALSE);
1454 SvREADONLY_on (coro_current);
1455
1456 for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) 1648 for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
1457 coro_ready[i] = newAV (); 1649 coro_ready[i] = newAV ();
1458 1650
1459 { 1651 {
1460 SV *sv = perl_get_sv("Coro::API", 1); 1652 SV *sv = perl_get_sv("Coro::API", 1);
1461 1653
1462 coroapi.schedule = api_schedule; 1654 coroapi.schedule = api_schedule;
1463 coroapi.save = api_save;
1464 coroapi.cede = api_cede; 1655 coroapi.cede = api_cede;
1465 coroapi.cede_notself = api_cede_notself; 1656 coroapi.cede_notself = api_cede_notself;
1466 coroapi.ready = api_ready; 1657 coroapi.ready = api_ready;
1467 coroapi.is_ready = api_is_ready; 1658 coroapi.is_ready = api_is_ready;
1468 coroapi.nready = &coro_nready; 1659 coroapi.nready = &coro_nready;
… …
1517 CODE: 1708 CODE:
1518 RETVAL = coro_nready; 1709 RETVAL = coro_nready;
1519 OUTPUT: 1710 OUTPUT:
1520 RETVAL 1711 RETVAL
1521 1712
1713# for async_pool speedup
1714void
1715_pool_1 (SV *cb)
1716 CODE:
1717{
1718 struct coro *coro = SvSTATE (coro_current);
1719 HV *hv = (HV *)SvRV (coro_current);
1720 AV *defav = GvAV (PL_defgv);
1721 SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
1722 AV *invoke_av;
1723 int i, len;
1724
1725 if (!invoke)
1726 croak ("\3terminate\2\n");
1727
1728 SvREFCNT_dec (coro->asp_deffh);
1729 coro->asp_deffh = SvREFCNT_inc (PL_defoutgv);
1730
1731 hv_store (hv, "desc", sizeof ("desc") - 1,
1732 newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
1733
1734 invoke_av = (AV *)SvRV (invoke);
1735 len = av_len (invoke_av);
1736
1737 sv_setsv (cb, AvARRAY (invoke_av)[0]);
1738
1739 if (len > 0)
1740 {
1741 av_fill (defav, len - 1);
1742 for (i = 0; i < len; ++i)
1743 av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1]));
1744 }
1745
1746 SvREFCNT_dec (invoke);
1747}
1748
1749void
1750_pool_2 (SV *cb)
1751 CODE:
1752{
1753 struct coro *coro = SvSTATE (coro_current);
1754
1755 sv_setsv (cb, &PL_sv_undef);
1756
1757 SvREFCNT_dec (PL_defoutgv); PL_defoutgv = coro->asp_deffh;
1758 coro->asp_deffh = 0;
1759
1760 if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1761 || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
1762 croak ("\3terminate\2\n");
1763
1764 av_clear (GvAV (PL_defgv));
1765 hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
1766 newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
1767
1768 coro->prio = 0;
1769
1770 if (coro->cctx && (coro->cctx->flags & CC_TRACE))
1771 api_trace (coro_current, 0);
1772
1773 av_push (av_async_pool, newSVsv (coro_current));
1774}
1775
1776
1522MODULE = Coro::State PACKAGE = Coro::AIO 1777MODULE = Coro::State PACKAGE = Coro::AIO
1523 1778
1524SV * 1779SV *
1525_get_state () 1780_get_state ()
1526 CODE: 1781 CODE:

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