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Comparing Coro/Coro/State.xs (file contents):
Revision 1.147 by root, Mon Mar 19 15:50:48 2007 UTC vs.
Revision 1.166 by root, Wed Sep 26 21:11:28 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
… …
129}; 128};
130 129
131static size_t coro_stacksize = CORO_STACKSIZE; 130static size_t coro_stacksize = CORO_STACKSIZE;
132static struct CoroAPI coroapi; 131static struct CoroAPI coroapi;
133static 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;
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
137/* async_pool helper stuff */
138static SV *sv_pool_rss;
139static SV *sv_pool_size;
140static AV *av_async_pool;
141
137static struct coro_cctx *cctx_first; 142static struct coro_cctx *cctx_first;
138static int cctx_count, cctx_idle; 143static int cctx_count, cctx_idle;
144
145enum {
146 CC_MAPPED = 0x01,
147 CC_TRACE = 0x02,
148 CC_NOREUSE = 0x04, /* throw this away after tracing */
149};
139 150
140/* this is a structure representing a c-level coroutine */ 151/* this is a structure representing a c-level coroutine */
141typedef struct coro_cctx { 152typedef struct coro_cctx {
142 struct coro_cctx *next; 153 struct coro_cctx *next;
143 154
… …
152 coro_context cctx; 163 coro_context cctx;
153 164
154#if CORO_USE_VALGRIND 165#if CORO_USE_VALGRIND
155 int valgrind_id; 166 int valgrind_id;
156#endif 167#endif
157 char inuse, mapped; 168 unsigned char flags;
158} coro_cctx; 169} coro_cctx;
159 170
160enum { 171enum {
161 CF_RUNNING = 0x0001, /* coroutine is running */ 172 CF_RUNNING = 0x0001, /* coroutine is running */
162 CF_READY = 0x0002, /* coroutine is ready */ 173 CF_READY = 0x0002, /* coroutine is ready */
… …
187# include "state.h" 198# include "state.h"
188#undef VAR 199#undef VAR
189 200
190 /* coro process data */ 201 /* coro process data */
191 int prio; 202 int prio;
203
204 /* linked list */
205 struct coro *next, *prev;
206 HV *hv; /* the perl hash associated with this coro, if any */
192}; 207};
193 208
194typedef struct coro *Coro__State; 209typedef struct coro *Coro__State;
195typedef struct coro *Coro__State_or_hashref; 210typedef struct coro *Coro__State_or_hashref;
196 211
… …
205 220
206/* for Coro.pm */ 221/* for Coro.pm */
207static SV *coro_current; 222static SV *coro_current;
208static AV *coro_ready [PRIO_MAX-PRIO_MIN+1]; 223static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
209static int coro_nready; 224static int coro_nready;
225static struct coro *coro_first;
210 226
211/** lowlevel stuff **********************************************************/ 227/** lowlevel stuff **********************************************************/
212 228
213static AV * 229static AV *
214coro_clone_padlist (pTHX_ CV *cv) 230coro_clone_padlist (pTHX_ CV *cv)
… …
373 CvPADLIST (cv) = (AV *)POPs; 389 CvPADLIST (cv) = (AV *)POPs;
374 } 390 }
375 391
376 PUTBACK; 392 PUTBACK;
377 } 393 }
378 assert (!PL_comppad || AvARRAY (PL_comppad));//D
379} 394}
380 395
381static void 396static void
382save_perl (pTHX_ Coro__State c) 397save_perl (pTHX_ Coro__State c)
383{ 398{
384 assert (!PL_comppad || AvARRAY (PL_comppad));//D
385 { 399 {
386 dSP; 400 dSP;
387 I32 cxix = cxstack_ix; 401 I32 cxix = cxstack_ix;
388 PERL_CONTEXT *ccstk = cxstack; 402 PERL_CONTEXT *ccstk = cxstack;
389 PERL_SI *top_si = PL_curstackinfo; 403 PERL_SI *top_si = PL_curstackinfo;
… …
391 /* 405 /*
392 * the worst thing you can imagine happens first - we have to save 406 * the worst thing you can imagine happens first - we have to save
393 * (and reinitialize) all cv's in the whole callchain :( 407 * (and reinitialize) all cv's in the whole callchain :(
394 */ 408 */
395 409
396 EXTEND (SP, 3 + 1);
397 PUSHs (Nullsv); 410 XPUSHs (Nullsv);
398 /* this loop was inspired by pp_caller */ 411 /* this loop was inspired by pp_caller */
399 for (;;) 412 for (;;)
400 { 413 {
401 while (cxix >= 0) 414 while (cxix >= 0)
402 { 415 {
403 PERL_CONTEXT *cx = &ccstk[cxix--]; 416 PERL_CONTEXT *cx = &ccstk[cxix--];
404 417
405 if (CxTYPE (cx) == CXt_SUB) 418 if (CxTYPE (cx) == CXt_SUB || CxTYPE (cx) == CXt_FORMAT)
406 { 419 {
407 CV *cv = cx->blk_sub.cv; 420 CV *cv = cx->blk_sub.cv;
408 421
409 if (CvDEPTH (cv)) 422 if (CvDEPTH (cv))
410 { 423 {
… …
421 434
422 if (top_si->si_type == PERLSI_MAIN) 435 if (top_si->si_type == PERLSI_MAIN)
423 break; 436 break;
424 437
425 top_si = top_si->si_prev; 438 top_si = top_si->si_prev;
426 ccstk = top_si->si_cxstack; 439 ccstk = top_si->si_cxstack;
427 cxix = top_si->si_cxix; 440 cxix = top_si->si_cxix;
428 } 441 }
429 442
430 PUTBACK; 443 PUTBACK;
431 } 444 }
432 445
… …
451# define coro_init_stacks init_stacks 464# define coro_init_stacks init_stacks
452#else 465#else
453static void 466static void
454coro_init_stacks (pTHX) 467coro_init_stacks (pTHX)
455{ 468{
456 PL_curstackinfo = new_stackinfo(128, 1024/sizeof(PERL_CONTEXT)); 469 PL_curstackinfo = new_stackinfo(64, 6);
457 PL_curstackinfo->si_type = PERLSI_MAIN; 470 PL_curstackinfo->si_type = PERLSI_MAIN;
458 PL_curstack = PL_curstackinfo->si_stack; 471 PL_curstack = PL_curstackinfo->si_stack;
459 PL_mainstack = PL_curstack; /* remember in case we switch stacks */ 472 PL_mainstack = PL_curstack; /* remember in case we switch stacks */
460 473
461 PL_stack_base = AvARRAY(PL_curstack); 474 PL_stack_base = AvARRAY(PL_curstack);
462 PL_stack_sp = PL_stack_base; 475 PL_stack_sp = PL_stack_base;
463 PL_stack_max = PL_stack_base + AvMAX(PL_curstack); 476 PL_stack_max = PL_stack_base + AvMAX(PL_curstack);
464 477
465 New(50,PL_tmps_stack,128,SV*); 478 New(50,PL_tmps_stack,64,SV*);
466 PL_tmps_floor = -1; 479 PL_tmps_floor = -1;
467 PL_tmps_ix = -1; 480 PL_tmps_ix = -1;
468 PL_tmps_max = 128; 481 PL_tmps_max = 64;
469 482
470 New(54,PL_markstack,32,I32); 483 New(54,PL_markstack,16,I32);
471 PL_markstack_ptr = PL_markstack; 484 PL_markstack_ptr = PL_markstack;
472 PL_markstack_max = PL_markstack + 32; 485 PL_markstack_max = PL_markstack + 16;
473 486
474#ifdef SET_MARK_OFFSET 487#ifdef SET_MARK_OFFSET
475 SET_MARK_OFFSET; 488 SET_MARK_OFFSET;
476#endif 489#endif
477 490
478 New(54,PL_scopestack,32,I32); 491 New(54,PL_scopestack,16,I32);
479 PL_scopestack_ix = 0; 492 PL_scopestack_ix = 0;
480 PL_scopestack_max = 32; 493 PL_scopestack_max = 16;
481 494
482 New(54,PL_savestack,64,ANY); 495 New(54,PL_savestack,64,ANY);
483 PL_savestack_ix = 0; 496 PL_savestack_ix = 0;
484 PL_savestack_max = 64; 497 PL_savestack_max = 64;
485 498
486#if !PERL_VERSION_ATLEAST (5,9,0) 499#if !PERL_VERSION_ATLEAST (5,9,0)
487 New(54,PL_retstack,16,OP*); 500 New(54,PL_retstack,4,OP*);
488 PL_retstack_ix = 0; 501 PL_retstack_ix = 0;
489 PL_retstack_max = 16; 502 PL_retstack_max = 4;
490#endif 503#endif
491} 504}
492#endif 505#endif
493 506
494/* 507/*
… …
534 Safefree (PL_scopestack); 547 Safefree (PL_scopestack);
535 Safefree (PL_savestack); 548 Safefree (PL_savestack);
536#if !PERL_VERSION_ATLEAST (5,9,0) 549#if !PERL_VERSION_ATLEAST (5,9,0)
537 Safefree (PL_retstack); 550 Safefree (PL_retstack);
538#endif 551#endif
552}
553
554static size_t
555coro_rss (struct coro *coro)
556{
557 size_t rss = sizeof (coro);
558
559 if (coro->mainstack)
560 {
561 if (coro->flags & CF_RUNNING)
562 {
563 #define VAR(name,type)coro->name = PL_ ## name;
564 # include "state.h"
565 #undef VAR
566 }
567
568 rss += sizeof (coro->curstackinfo);
569 rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstackinfo->si_stack)) * sizeof (SV *);
570 rss += (coro->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
571 rss += sizeof (struct xpvav) + (1 + AvFILL (coro->curstack)) * sizeof (SV *);
572 rss += coro->tmps_max * sizeof (SV *);
573 rss += (coro->markstack_max - coro->markstack_ptr) * sizeof (I32);
574 rss += coro->scopestack_max * sizeof (I32);
575 rss += coro->savestack_max * sizeof (ANY);
576
577#if !PERL_VERSION_ATLEAST (5,9,0)
578 rss += coro->retstack_max * sizeof (OP *);
579#endif
580 }
581
582 return rss;
539} 583}
540 584
541/** coroutine stack handling ************************************************/ 585/** coroutine stack handling ************************************************/
542 586
543static void 587static void
… …
566 Zero (&myop, 1, LOGOP); 610 Zero (&myop, 1, LOGOP);
567 myop.op_next = Nullop; 611 myop.op_next = Nullop;
568 myop.op_flags = OPf_WANT_VOID; 612 myop.op_flags = OPf_WANT_VOID;
569 613
570 PUSHMARK (SP); 614 PUSHMARK (SP);
571 XPUSHs ((SV *)get_cv ("Coro::State::_coro_init", FALSE)); 615 XPUSHs (av_shift (GvAV (PL_defgv)));
572 PUTBACK; 616 PUTBACK;
573 PL_op = (OP *)&myop; 617 PL_op = (OP *)&myop;
574 PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); 618 PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
575 SPAGAIN; 619 SPAGAIN;
576 } 620 }
… …
586 SvREFCNT_dec (coro_mortal); 630 SvREFCNT_dec (coro_mortal);
587 coro_mortal = 0; 631 coro_mortal = 0;
588 } 632 }
589} 633}
590 634
635static void
636do_trace (pTHX)
637{
638 if (PL_curcop != &PL_compiling)
639 {
640 runops_proc_t old_runops = PL_runops;
641 dSP;
642 ENTER;
643 SAVETMPS;
644 PUSHMARK (SP);
645 PUTBACK;
646 PL_runops = RUNOPS_DEFAULT;
647 call_pv ("Coro::_do_trace", G_KEEPERR | G_EVAL | G_VOID | G_DISCARD | G_NOARGS);
648 PL_runops = old_runops;
649 SPAGAIN;
650 FREETMPS;
651 LEAVE;
652 PUTBACK;
653 }
654}
655
656static int
657runops_coro (pTHX)
658{
659 COP *oldcop = 0;
660
661 while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))
662 {
663 PERL_ASYNC_CHECK ();
664
665 if (oldcop != PL_curcop)
666 {
667 oldcop = PL_curcop;
668 do_trace (aTHX);
669 }
670 }
671
672 TAINT_NOT;
673 return 0;
674}
675
591/* inject a fake call to Coro::State::_cctx_init into the execution */ 676/* inject a fake call to Coro::State::_cctx_init into the execution */
677/* _cctx_init should be careful, as it could be called at almost any time */
678/* during execution of a perl program */
592static void NOINLINE 679static void NOINLINE
593prepare_cctx (pTHX_ coro_cctx *cctx) 680prepare_cctx (pTHX_ coro_cctx *cctx)
594{ 681{
595 dSP; 682 dSP;
596 LOGOP myop; 683 LOGOP myop;
684
685 PL_top_env = &PL_start_env;
686
687 if (cctx->flags & CC_TRACE)
688 PL_runops = runops_coro;
597 689
598 Zero (&myop, 1, LOGOP); 690 Zero (&myop, 1, LOGOP);
599 myop.op_next = PL_op; 691 myop.op_next = PL_op;
600 myop.op_flags = OPf_WANT_VOID | OPf_STACKED; 692 myop.op_flags = OPf_WANT_VOID | OPf_STACKED;
601 693
… …
607 PL_op = (OP *)&myop; 699 PL_op = (OP *)&myop;
608 PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); 700 PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
609 SPAGAIN; 701 SPAGAIN;
610} 702}
611 703
704/*
705 * this is a _very_ stripped down perl interpreter ;)
706 */
612static void 707static void
613coro_run (void *arg) 708coro_run (void *arg)
614{ 709{
615 dTHX; 710 dTHX;
616 711
617 /* coro_run is the alternative tail of transfer(), so unlock here. */ 712 /* coro_run is the alternative tail of transfer(), so unlock here. */
618 UNLOCK; 713 UNLOCK;
619 714
620 /* 715 /* we now skip the entersub that lead to transfer() */
621 * this is a _very_ stripped down perl interpreter ;) 716 PL_op = PL_op->op_next;
622 */
623 PL_top_env = &PL_start_env;
624 717
625 /* inject call to cctx_init */ 718 /* inject a fake subroutine call to cctx_init */
626 prepare_cctx (aTHX_ (coro_cctx *)arg); 719 prepare_cctx (aTHX_ (coro_cctx *)arg);
627 720
628 /* somebody will hit me for both perl_run and PL_restartop */ 721 /* somebody or something will hit me for both perl_run and PL_restartop */
629 PL_restartop = PL_op; 722 PL_restartop = PL_op;
630 perl_run (PL_curinterp); 723 perl_run (PL_curinterp);
631 724
632 fputs ("FATAL: C coroutine fell over the edge of the world, aborting. Did you call exit in a coroutine?\n", stderr); 725 /*
633 abort (); 726 * If perl-run returns we assume exit() was being called or the coro
727 * fell off the end, which seems to be the only valid (non-bug)
728 * reason for perl_run to return. We try to exit by jumping to the
729 * bootstrap-time "top" top_env, as we cannot restore the "main"
730 * coroutine as Coro has no such concept
731 */
732 PL_top_env = main_top_env;
733 JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */
634} 734}
635 735
636static coro_cctx * 736static coro_cctx *
637cctx_new () 737cctx_new ()
638{ 738{
… …
655# if CORO_STACKGUARD 755# if CORO_STACKGUARD
656 mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); 756 mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE);
657# endif 757# endif
658 stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr; 758 stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr;
659 stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE; 759 stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE;
660 cctx->mapped = 1; 760 cctx->flags |= CC_MAPPED;
661 } 761 }
662 else 762 else
663#endif 763#endif
664 { 764 {
665 cctx->ssize = coro_stacksize * (long)sizeof (long); 765 cctx->ssize = coro_stacksize * (long)sizeof (long);
… …
692#if CORO_USE_VALGRIND 792#if CORO_USE_VALGRIND
693 VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); 793 VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
694#endif 794#endif
695 795
696#if HAVE_MMAP 796#if HAVE_MMAP
697 if (cctx->mapped) 797 if (cctx->flags & CC_MAPPED)
698 munmap (cctx->sptr, cctx->ssize); 798 munmap (cctx->sptr, cctx->ssize);
699 else 799 else
700#endif 800#endif
701 Safefree (cctx->sptr); 801 Safefree (cctx->sptr);
702 802
… …
710 { 810 {
711 coro_cctx *cctx = cctx_first; 811 coro_cctx *cctx = cctx_first;
712 cctx_first = cctx->next; 812 cctx_first = cctx->next;
713 --cctx_idle; 813 --cctx_idle;
714 814
715 if (cctx->ssize >= coro_stacksize) 815 if (cctx->ssize >= coro_stacksize && !(cctx->flags & CC_NOREUSE))
716 return cctx; 816 return cctx;
717 817
718 cctx_destroy (cctx); 818 cctx_destroy (cctx);
719 } 819 }
720 820
721 PL_op = PL_op->op_next;
722 return cctx_new (); 821 return cctx_new ();
723} 822}
724 823
725static void 824static void
726cctx_put (coro_cctx *cctx) 825cctx_put (coro_cctx *cctx)
… …
730 { 829 {
731 coro_cctx *first = cctx_first; 830 coro_cctx *first = cctx_first;
732 cctx_first = first->next; 831 cctx_first = first->next;
733 --cctx_idle; 832 --cctx_idle;
734 833
735 assert (!first->inuse);
736 cctx_destroy (first); 834 cctx_destroy (first);
737 } 835 }
738 836
739 ++cctx_idle; 837 ++cctx_idle;
740 cctx->next = cctx_first; 838 cctx->next = cctx_first;
… …
761 859
762 if (prev->flags & CF_NEW) 860 if (prev->flags & CF_NEW)
763 { 861 {
764 /* create a new empty context */ 862 /* create a new empty context */
765 Newz (0, prev->cctx, 1, coro_cctx); 863 Newz (0, prev->cctx, 1, coro_cctx);
766 prev->cctx->inuse = 1;
767 prev->flags &= ~CF_NEW; 864 prev->flags &= ~CF_NEW;
768 prev->flags |= CF_RUNNING; 865 prev->flags |= CF_RUNNING;
769 } 866 }
770 867
771 /*TODO: must not croak here */ 868 /*TODO: must not croak here */
… …
789 next->flags &= ~CF_NEW; 886 next->flags &= ~CF_NEW;
790 /* first get rid of the old state */ 887 /* first get rid of the old state */
791 save_perl (aTHX_ prev); 888 save_perl (aTHX_ prev);
792 /* setup coroutine call */ 889 /* setup coroutine call */
793 setup_coro (aTHX_ next); 890 setup_coro (aTHX_ next);
794 /* need a new stack */
795 assert (!next->cctx);
796 } 891 }
797 else 892 else
798 { 893 {
799 /* coroutine already started */ 894 /* coroutine already started */
800 save_perl (aTHX_ prev); 895 save_perl (aTHX_ prev);
… …
810 assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te)); 905 assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
811 906
812 prev->cctx = 0; 907 prev->cctx = 0;
813 908
814 cctx_put (prev__cctx); 909 cctx_put (prev__cctx);
815 prev__cctx->inuse = 0;
816 } 910 }
817 911
818 if (!next->cctx) 912 if (!next->cctx)
819 {
820 next->cctx = cctx_get (aTHX); 913 next->cctx = cctx_get (aTHX);
821 assert (!next->cctx->inuse);
822 next->cctx->inuse = 1;
823 }
824 914
825 if (prev__cctx != next->cctx) 915 if (prev__cctx != next->cctx)
826 { 916 {
827 prev__cctx->top_env = PL_top_env; 917 prev__cctx->top_env = PL_top_env;
828 PL_top_env = next->cctx->top_env; 918 PL_top_env = next->cctx->top_env;
… …
867 struct coro temp; 957 struct coro temp;
868 958
869 assert (!(coro->flags & CF_RUNNING)); 959 assert (!(coro->flags & CF_RUNNING));
870 960
871 Zero (&temp, 1, struct coro); 961 Zero (&temp, 1, struct coro);
872 temp.save = CORO_SAVE_DEF; 962 temp.save = CORO_SAVE_ALL;
873 963
874 if (coro->flags & CF_RUNNING) 964 if (coro->flags & CF_RUNNING)
875 croak ("FATAL: tried to destroy currently running coroutine"); 965 croak ("FATAL: tried to destroy currently running coroutine");
876 966
877 save_perl (aTHX_ &temp); 967 save_perl (aTHX_ &temp);
… …
885 } 975 }
886 976
887 cctx_destroy (coro->cctx); 977 cctx_destroy (coro->cctx);
888 SvREFCNT_dec (coro->args); 978 SvREFCNT_dec (coro->args);
889 979
980 if (coro->next) coro->next->prev = coro->prev;
981 if (coro->prev) coro->prev->next = coro->next;
982 if (coro == coro_first) coro_first = coro->next;
983
890 return 1; 984 return 1;
891} 985}
892 986
893static int 987static int
894coro_state_free (pTHX_ SV *sv, MAGIC *mg) 988coro_state_free (pTHX_ SV *sv, MAGIC *mg)
895{ 989{
896 struct coro *coro = (struct coro *)mg->mg_ptr; 990 struct coro *coro = (struct coro *)mg->mg_ptr;
897 mg->mg_ptr = 0; 991 mg->mg_ptr = 0;
992
993 coro->hv = 0;
898 994
899 if (--coro->refcnt < 0) 995 if (--coro->refcnt < 0)
900 { 996 {
901 coro_state_destroy (aTHX_ coro); 997 coro_state_destroy (aTHX_ coro);
902 Safefree (coro); 998 Safefree (coro);
… …
1175 newCONSTSUB (coro_state_stash, "SAVE_DEFFH", newSViv (CORO_SAVE_DEFFH)); 1271 newCONSTSUB (coro_state_stash, "SAVE_DEFFH", newSViv (CORO_SAVE_DEFFH));
1176 newCONSTSUB (coro_state_stash, "SAVE_DEF", newSViv (CORO_SAVE_DEF)); 1272 newCONSTSUB (coro_state_stash, "SAVE_DEF", newSViv (CORO_SAVE_DEF));
1177 newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL)); 1273 newCONSTSUB (coro_state_stash, "SAVE_ALL", newSViv (CORO_SAVE_ALL));
1178 1274
1179 main_mainstack = PL_mainstack; 1275 main_mainstack = PL_mainstack;
1276 main_top_env = PL_top_env;
1277
1278 while (main_top_env->je_prev)
1279 main_top_env = main_top_env->je_prev;
1180 1280
1181 coroapi.ver = CORO_API_VERSION; 1281 coroapi.ver = CORO_API_VERSION;
1182 coroapi.transfer = api_transfer; 1282 coroapi.transfer = api_transfer;
1183 1283
1184 assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); 1284 assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
… …
1195 Newz (0, coro, 1, struct coro); 1295 Newz (0, coro, 1, struct coro);
1196 coro->args = newAV (); 1296 coro->args = newAV ();
1197 coro->save = CORO_SAVE_DEF; 1297 coro->save = CORO_SAVE_DEF;
1198 coro->flags = CF_NEW; 1298 coro->flags = CF_NEW;
1199 1299
1300 if (coro_first) coro_first->prev = coro;
1301 coro->next = coro_first;
1302 coro_first = coro;
1303
1200 hv = newHV (); 1304 coro->hv = hv = newHV ();
1201 sv_magicext ((SV *)hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char *)coro, 0)->mg_flags |= MGf_DUP; 1305 sv_magicext ((SV *)hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char *)coro, 0)->mg_flags |= MGf_DUP;
1202 RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); 1306 RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1203 1307
1204 for (i = 1; i < items; i++) 1308 for (i = 1; i < items; i++)
1205 av_push (coro->args, newSVsv (ST (i))); 1309 av_push (coro->args, newSVsv (ST (i)));
… …
1307 CODE: 1411 CODE:
1308 RETVAL = cctx_idle; 1412 RETVAL = cctx_idle;
1309 OUTPUT: 1413 OUTPUT:
1310 RETVAL 1414 RETVAL
1311 1415
1416void
1417list ()
1418 PPCODE:
1419{
1420 struct coro *coro;
1421 for (coro = coro_first; coro; coro = coro->next)
1422 if (coro->hv)
1423 XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv)));
1424}
1425
1426void
1427call (Coro::State coro, SV *coderef)
1428 ALIAS:
1429 eval = 1
1430 CODE:
1431{
1432 if (coro->mainstack)
1433 {
1434 struct coro temp;
1435 Zero (&temp, 1, struct coro);
1436 temp.save = CORO_SAVE_ALL;
1437
1438 if (!(coro->flags & CF_RUNNING))
1439 {
1440 save_perl (aTHX_ &temp);
1441 load_perl (aTHX_ coro);
1442 }
1443
1444 {
1445 dSP;
1446 ENTER;
1447 SAVETMPS;
1448 PUSHMARK (SP);
1449 PUTBACK;
1450 if (ix)
1451 eval_sv (coderef, 0);
1452 else
1453 call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
1454 SPAGAIN;
1455 FREETMPS;
1456 LEAVE;
1457 PUTBACK;
1458 }
1459
1460 if (!(coro->flags & CF_RUNNING))
1461 {
1462 save_perl (aTHX_ coro);
1463 load_perl (aTHX_ &temp);
1464 }
1465 }
1466}
1467
1468SV *
1469is_ready (Coro::State coro)
1470 PROTOTYPE: $
1471 ALIAS:
1472 is_ready = CF_READY
1473 is_running = CF_RUNNING
1474 is_new = CF_NEW
1475 is_destroyed = CF_DESTROYED
1476 CODE:
1477 RETVAL = boolSV (coro->flags & ix);
1478 OUTPUT:
1479 RETVAL
1480
1481void
1482trace (Coro::State coro, int enable = 0)
1483 CODE:
1484 if (enable)
1485 {
1486 if (coro->cctx && coro->cctx->flags & CC_TRACE)
1487 XSRETURN_EMPTY;
1488
1489 if (coro->flags & CF_RUNNING)
1490 croak ("cannot enable tracing on running coroutine");
1491
1492 if (coro->cctx)
1493 croak ("cannot enable tracing on coroutine with custom stack");
1494
1495 coro->cctx = cctx_new ();
1496 coro->cctx->flags |= CC_TRACE;
1497 }
1498 else
1499 if (coro->cctx && coro->cctx->flags & CC_TRACE)
1500 {
1501 coro->cctx->flags &= ~CC_TRACE;
1502 coro->cctx->flags |= CC_NOREUSE;
1503 }
1504
1505SV *
1506has_stack (Coro::State coro)
1507 PROTOTYPE: $
1508 CODE:
1509 RETVAL = boolSV (!!coro->cctx);
1510 OUTPUT:
1511 RETVAL
1512
1513IV
1514rss (Coro::State coro)
1515 PROTOTYPE: $
1516 CODE:
1517 RETVAL = coro_rss (coro);
1518 OUTPUT:
1519 RETVAL
1520
1521
1312MODULE = Coro::State PACKAGE = Coro 1522MODULE = Coro::State PACKAGE = Coro
1313 1523
1314BOOT: 1524BOOT:
1315{ 1525{
1316 int i; 1526 int i;
1527
1528 sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE);
1529 sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE);
1530 av_async_pool = get_av ("Coro::async_pool", TRUE);
1531
1532 coro_current = get_sv ("Coro::current", FALSE);
1533 SvREADONLY_on (coro_current);
1317 1534
1318 coro_stash = gv_stashpv ("Coro", TRUE); 1535 coro_stash = gv_stashpv ("Coro", TRUE);
1319 1536
1320 newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); 1537 newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
1321 newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); 1538 newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
1322 newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); 1539 newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
1323 newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); 1540 newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
1324 newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE)); 1541 newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));
1325 newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN)); 1542 newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));
1326
1327 coro_current = get_sv ("Coro::current", FALSE);
1328 SvREADONLY_on (coro_current);
1329 1543
1330 for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) 1544 for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
1331 coro_ready[i] = newAV (); 1545 coro_ready[i] = newAV ();
1332 1546
1333 { 1547 {
… …
1383 CODE: 1597 CODE:
1384 RETVAL = boolSV (api_ready (self)); 1598 RETVAL = boolSV (api_ready (self));
1385 OUTPUT: 1599 OUTPUT:
1386 RETVAL 1600 RETVAL
1387 1601
1388SV *
1389is_ready (SV *self)
1390 PROTOTYPE: $
1391 CODE:
1392 RETVAL = boolSV (api_is_ready (self));
1393 OUTPUT:
1394 RETVAL
1395
1396int 1602int
1397nready (...) 1603nready (...)
1398 PROTOTYPE: 1604 PROTOTYPE:
1399 CODE: 1605 CODE:
1400 RETVAL = coro_nready; 1606 RETVAL = coro_nready;
1401 OUTPUT: 1607 OUTPUT:
1402 RETVAL 1608 RETVAL
1403 1609
1610# for async_pool speedup
1611void
1612_pool_1 (SV *cb)
1613 CODE:
1614{
1615 int i, len;
1616 HV *hv = (HV *)SvRV (coro_current);
1617 AV *defav = GvAV (PL_defgv);
1618 SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
1619 AV *invoke_av;
1620
1621 if (!invoke)
1622 croak ("\3terminate\2\n");
1623
1624 hv_store (hv, "desc", sizeof ("desc") - 1,
1625 newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
1626
1627 invoke_av = (AV *)SvRV (invoke);
1628 len = av_len (invoke_av);
1629
1630 sv_setsv (cb, AvARRAY (invoke_av)[0]);
1631
1632 if (len > 0)
1633 {
1634 av_fill (defav, len - 1);
1635 for (i = 0; i < len; ++i)
1636 av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1]));
1637 }
1638
1639 SvREFCNT_dec (invoke);
1640}
1641
1642void
1643_pool_2 (SV *cb)
1644 CODE:
1645{
1646 struct coro *coro = SvSTATE (coro_current);
1647
1648 sv_setsv (cb, &PL_sv_undef);
1649
1650 if (coro_rss (coro) > SvIV (sv_pool_rss)
1651 || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
1652 croak ("\3terminate\2\n");
1653
1654 av_clear (GvAV (PL_defgv));
1655 hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
1656 newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
1657 coro->save = CORO_SAVE_DEF;
1658 coro->prio = 0;
1659 av_push (av_async_pool, newSVsv (coro_current));
1660}
1661
1662
1404MODULE = Coro::State PACKAGE = Coro::AIO 1663MODULE = Coro::State PACKAGE = Coro::AIO
1405 1664
1406SV * 1665SV *
1407_get_state () 1666_get_state ()
1408 CODE: 1667 CODE:

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