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Comparing Coro/Coro/State.xs (file contents):
Revision 1.156 by root, Fri Sep 21 01:10:55 2007 UTC vs.
Revision 1.171 by root, Sat Sep 29 19:42:10 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
137/* async_pool helper stuff */
138static SV *sv_pool_rss;
139static SV *sv_pool_size;
140static AV *av_async_pool;
141
138static struct coro_cctx *cctx_first; 142static struct coro_cctx *cctx_first;
139static int cctx_count, cctx_idle; 143static int cctx_count, cctx_idle;
144
145enum {
146 CC_MAPPED = 0x01,
147 CC_NOREUSE = 0x02, /* throw this away after tracing */
148 CC_TRACE = 0x04,
149 CC_TRACE_SUB = 0x08, /* trace sub calls */
150 CC_TRACE_LINE = 0x10, /* trace each statement */
151 CC_TRACE_ALL = CC_TRACE_SUB | CC_TRACE_LINE,
152};
140 153
141/* this is a structure representing a c-level coroutine */ 154/* this is a structure representing a c-level coroutine */
142typedef struct coro_cctx { 155typedef struct coro_cctx {
143 struct coro_cctx *next; 156 struct coro_cctx *next;
144 157
… …
153 coro_context cctx; 166 coro_context cctx;
154 167
155#if CORO_USE_VALGRIND 168#if CORO_USE_VALGRIND
156 int valgrind_id; 169 int valgrind_id;
157#endif 170#endif
158 char inuse, mapped; 171 unsigned char flags;
159} coro_cctx; 172} coro_cctx;
160 173
161enum { 174enum {
162 CF_RUNNING = 0x0001, /* coroutine is running */ 175 CF_RUNNING = 0x0001, /* coroutine is running */
163 CF_READY = 0x0002, /* coroutine is ready */ 176 CF_READY = 0x0002, /* coroutine is ready */
… …
285 SvMAGIC (cv) \ 298 SvMAGIC (cv) \
286 ? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \ 299 ? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \
287 ? SvMAGIC (cv) \ 300 ? SvMAGIC (cv) \
288 : mg_find ((SV *)cv, PERL_MAGIC_coro) \ 301 : mg_find ((SV *)cv, PERL_MAGIC_coro) \
289 : 0 302 : 0
303
304static struct coro *
305SvSTATE_ (pTHX_ SV *coro)
306{
307 HV *stash;
308 MAGIC *mg;
309
310 if (SvROK (coro))
311 coro = SvRV (coro);
312
313 stash = SvSTASH (coro);
314 if (stash != coro_stash && stash != coro_state_stash)
315 {
316 /* very slow, but rare, check */
317 if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
318 croak ("Coro::State object required");
319 }
320
321 mg = CORO_MAGIC (coro);
322 return (struct coro *)mg->mg_ptr;
323}
324
325#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
290 326
291/* the next two functions merely cache the padlists */ 327/* the next two functions merely cache the padlists */
292static void 328static void
293get_padlist (pTHX_ CV *cv) 329get_padlist (pTHX_ CV *cv)
294{ 330{
… …
395 /* 431 /*
396 * the worst thing you can imagine happens first - we have to save 432 * the worst thing you can imagine happens first - we have to save
397 * (and reinitialize) all cv's in the whole callchain :( 433 * (and reinitialize) all cv's in the whole callchain :(
398 */ 434 */
399 435
400 EXTEND (SP, 3 + 1);
401 PUSHs (Nullsv); 436 XPUSHs (Nullsv);
402 /* this loop was inspired by pp_caller */ 437 /* this loop was inspired by pp_caller */
403 for (;;) 438 for (;;)
404 { 439 {
405 while (cxix >= 0) 440 while (cxix >= 0)
406 { 441 {
… …
425 460
426 if (top_si->si_type == PERLSI_MAIN) 461 if (top_si->si_type == PERLSI_MAIN)
427 break; 462 break;
428 463
429 top_si = top_si->si_prev; 464 top_si = top_si->si_prev;
430 ccstk = top_si->si_cxstack; 465 ccstk = top_si->si_cxstack;
431 cxix = top_si->si_cxix; 466 cxix = top_si->si_cxix;
432 } 467 }
433 468
434 PUTBACK; 469 PUTBACK;
435 } 470 }
436 471
… …
541 Safefree (PL_retstack); 576 Safefree (PL_retstack);
542#endif 577#endif
543} 578}
544 579
545static size_t 580static size_t
546coro_rss (struct coro *coro) 581coro_rss (pTHX_ struct coro *coro)
547{ 582{
548 size_t rss = sizeof (coro); 583 size_t rss = sizeof (coro);
549 584
550 if (coro->mainstack) 585 if (coro->mainstack)
551 { 586 {
… …
581 /* 616 /*
582 * emulate part of the perl startup here. 617 * emulate part of the perl startup here.
583 */ 618 */
584 coro_init_stacks (aTHX); 619 coro_init_stacks (aTHX);
585 620
621 PL_runops = RUNOPS_DEFAULT;
586 PL_curcop = &PL_compiling; 622 PL_curcop = &PL_compiling;
587 PL_in_eval = EVAL_NULL; 623 PL_in_eval = EVAL_NULL;
588 PL_comppad = 0; 624 PL_comppad = 0;
589 PL_curpm = 0; 625 PL_curpm = 0;
590 PL_localizing = 0; 626 PL_localizing = 0;
… …
621 SvREFCNT_dec (coro_mortal); 657 SvREFCNT_dec (coro_mortal);
622 coro_mortal = 0; 658 coro_mortal = 0;
623 } 659 }
624} 660}
625 661
662static int
663runops_trace (pTHX)
664{
665 COP *oldcop = 0;
666 int oldcxix = -2;
667 struct coro *coro = SvSTATE (coro_current); /* trace cctx is tied to specific coro */
668 coro_cctx *cctx = coro->cctx;
669
670 while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))
671 {
672 PERL_ASYNC_CHECK ();
673
674 if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB)
675 {
676 PERL_CONTEXT *cx = &cxstack[cxstack_ix];
677 SV **bot, **top;
678 AV *av = newAV (); /* return values */
679 SV **cb;
680 runops_proc_t old_runops = PL_runops;
681 dSP;
682 ENTER;
683 SAVETMPS;
684 EXTEND (SP, 3);
685 PL_runops = RUNOPS_DEFAULT;
686
687 GV *gv = CvGV (cx->blk_sub.cv);
688 SV *fullname = sv_2mortal (newSV (0));
689 if (isGV (gv))
690 gv_efullname3 (fullname, gv, 0);
691
692 bot = PL_stack_base + cx->blk_oldsp + 1;
693 top = cx->blk_gimme == G_ARRAY ? SP + 1
694 : cx->blk_gimme == G_SCALAR ? bot + 1
695 : bot;
696
697 while (bot < top)
698 av_push (av, SvREFCNT_inc (*bot++));
699
700 PUSHMARK (SP);
701 PUSHs (&PL_sv_no);
702 PUSHs (fullname);
703 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
704 PUTBACK;
705 cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
706 if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
707 SPAGAIN;
708
709 FREETMPS;
710 LEAVE;
711 PL_runops = old_runops;
712 }
713
714 if (oldcop != PL_curcop)
715 {
716 oldcop = PL_curcop;
717
718 if (PL_curcop != &PL_compiling)
719 {
720 SV **cb;
721 runops_proc_t old_runops = PL_runops;
722 dSP;
723 ENTER;
724 SAVETMPS;
725 EXTEND (SP, 3);
726 PL_runops = RUNOPS_DEFAULT;
727
728 if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB)
729 {
730 PERL_CONTEXT *cx = &cxstack[cxstack_ix];
731
732 if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)
733 {
734 GV *gv = CvGV (cx->blk_sub.cv);
735 SV *fullname = sv_2mortal (newSV (0));
736 if (isGV (gv))
737 gv_efullname3 (fullname, gv, 0);
738
739 PUSHMARK (SP);
740 PUSHs (&PL_sv_yes);
741 PUSHs (fullname);
742 PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
743 PUTBACK;
744 cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
745 if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
746 SPAGAIN;
747 }
748
749 oldcxix = cxstack_ix;
750 }
751
752 if (cctx->flags & CC_TRACE_LINE)
753 {
754 PUSHMARK (SP);
755 PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));
756 PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));
757 PUTBACK;
758 cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0);
759 if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
760 SPAGAIN;
761 }
762
763 FREETMPS;
764 LEAVE;
765 PL_runops = old_runops;
766 }
767 }
768 }
769
770 TAINT_NOT;
771 return 0;
772}
773
626/* inject a fake call to Coro::State::_cctx_init into the execution */ 774/* inject a fake call to Coro::State::_cctx_init into the execution */
627/* _cctx_init should be careful, as it could be called at almost any time */ 775/* _cctx_init should be careful, as it could be called at almost any time */
628/* during execution of a perl program */ 776/* during execution of a perl program */
629static void NOINLINE 777static void NOINLINE
630prepare_cctx (pTHX_ coro_cctx *cctx) 778prepare_cctx (pTHX_ coro_cctx *cctx)
631{ 779{
632 dSP; 780 dSP;
633 LOGOP myop; 781 LOGOP myop;
782
783 PL_top_env = &PL_start_env;
784
785 if (cctx->flags & CC_TRACE)
786 PL_runops = runops_trace;
634 787
635 Zero (&myop, 1, LOGOP); 788 Zero (&myop, 1, LOGOP);
636 myop.op_next = PL_op; 789 myop.op_next = PL_op;
637 myop.op_flags = OPf_WANT_VOID | OPf_STACKED; 790 myop.op_flags = OPf_WANT_VOID | OPf_STACKED;
638 791
… …
655 dTHX; 808 dTHX;
656 809
657 /* coro_run is the alternative tail of transfer(), so unlock here. */ 810 /* coro_run is the alternative tail of transfer(), so unlock here. */
658 UNLOCK; 811 UNLOCK;
659 812
660 PL_top_env = &PL_start_env; 813 /* we now skip the entersub that lead to transfer() */
814 PL_op = PL_op->op_next;
661 815
662 /* inject a fake subroutine call to cctx_init */ 816 /* inject a fake subroutine call to cctx_init */
663 prepare_cctx (aTHX_ (coro_cctx *)arg); 817 prepare_cctx (aTHX_ (coro_cctx *)arg);
664 818
665 /* somebody or something will hit me for both perl_run and PL_restartop */ 819 /* somebody or something will hit me for both perl_run and PL_restartop */
… …
699# if CORO_STACKGUARD 853# if CORO_STACKGUARD
700 mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); 854 mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE);
701# endif 855# endif
702 stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr; 856 stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr;
703 stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE; 857 stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE;
704 cctx->mapped = 1; 858 cctx->flags |= CC_MAPPED;
705 } 859 }
706 else 860 else
707#endif 861#endif
708 { 862 {
709 cctx->ssize = coro_stacksize * (long)sizeof (long); 863 cctx->ssize = coro_stacksize * (long)sizeof (long);
… …
736#if CORO_USE_VALGRIND 890#if CORO_USE_VALGRIND
737 VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); 891 VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
738#endif 892#endif
739 893
740#if HAVE_MMAP 894#if HAVE_MMAP
741 if (cctx->mapped) 895 if (cctx->flags & CC_MAPPED)
742 munmap (cctx->sptr, cctx->ssize); 896 munmap (cctx->sptr, cctx->ssize);
743 else 897 else
744#endif 898#endif
745 Safefree (cctx->sptr); 899 Safefree (cctx->sptr);
746 900
… …
754 { 908 {
755 coro_cctx *cctx = cctx_first; 909 coro_cctx *cctx = cctx_first;
756 cctx_first = cctx->next; 910 cctx_first = cctx->next;
757 --cctx_idle; 911 --cctx_idle;
758 912
759 if (cctx->ssize >= coro_stacksize) 913 if (cctx->ssize >= coro_stacksize && !(cctx->flags & CC_NOREUSE))
760 return cctx; 914 return cctx;
761 915
762 cctx_destroy (cctx); 916 cctx_destroy (cctx);
763 } 917 }
764 918
765 PL_op = PL_op->op_next;
766 return cctx_new (); 919 return cctx_new ();
767} 920}
768 921
769static void 922static void
770cctx_put (coro_cctx *cctx) 923cctx_put (coro_cctx *cctx)
… …
774 { 927 {
775 coro_cctx *first = cctx_first; 928 coro_cctx *first = cctx_first;
776 cctx_first = first->next; 929 cctx_first = first->next;
777 --cctx_idle; 930 --cctx_idle;
778 931
779 assert (!first->inuse);
780 cctx_destroy (first); 932 cctx_destroy (first);
781 } 933 }
782 934
783 ++cctx_idle; 935 ++cctx_idle;
784 cctx->next = cctx_first; 936 cctx->next = cctx_first;
785 cctx_first = cctx; 937 cctx_first = cctx;
786} 938}
787 939
788/** coroutine switching *****************************************************/ 940/** coroutine switching *****************************************************/
789 941
790/* never call directly, always through the coro_state_transfer global variable */ 942static void NOINLINE
943transfer_check (pTHX_ struct coro *prev, struct coro *next)
944{
945 if (prev != next)
946 {
947 if (!(prev->flags & (CF_RUNNING | CF_NEW)))
948 croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states");
949
950 if (next->flags & CF_RUNNING)
951 croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
952
953 if (next->flags & CF_DESTROYED)
954 croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
955
956 if (PL_lex_state != LEX_NOTPARSING)
957 croak ("Coro::State::transfer called while parsing, but this is not supported");
958 }
959}
960
961/* always use the TRANSFER macro */
791static void NOINLINE 962static void NOINLINE
792transfer (pTHX_ struct coro *prev, struct coro *next) 963transfer (pTHX_ struct coro *prev, struct coro *next)
793{ 964{
794 dSTACKLEVEL; 965 dSTACKLEVEL;
795 966
… …
805 976
806 if (prev->flags & CF_NEW) 977 if (prev->flags & CF_NEW)
807 { 978 {
808 /* create a new empty context */ 979 /* create a new empty context */
809 Newz (0, prev->cctx, 1, coro_cctx); 980 Newz (0, prev->cctx, 1, coro_cctx);
810 prev->cctx->inuse = 1;
811 prev->flags &= ~CF_NEW; 981 prev->flags &= ~CF_NEW;
812 prev->flags |= CF_RUNNING; 982 prev->flags |= CF_RUNNING;
813 } 983 }
814
815 /*TODO: must not croak here */
816 if (!prev->flags & CF_RUNNING)
817 croak ("Coro::State::transfer called with non-running prev Coro::State, but can only transfer from running states");
818
819 if (next->flags & CF_RUNNING)
820 croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
821
822 if (next->flags & CF_DESTROYED)
823 croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
824 984
825 prev->flags &= ~CF_RUNNING; 985 prev->flags &= ~CF_RUNNING;
826 next->flags |= CF_RUNNING; 986 next->flags |= CF_RUNNING;
827 987
828 LOCK; 988 LOCK;
… …
833 next->flags &= ~CF_NEW; 993 next->flags &= ~CF_NEW;
834 /* first get rid of the old state */ 994 /* first get rid of the old state */
835 save_perl (aTHX_ prev); 995 save_perl (aTHX_ prev);
836 /* setup coroutine call */ 996 /* setup coroutine call */
837 setup_coro (aTHX_ next); 997 setup_coro (aTHX_ next);
838 /* need a new stack */
839 assert (!next->cctx);
840 } 998 }
841 else 999 else
842 { 1000 {
843 /* coroutine already started */ 1001 /* coroutine already started */
844 save_perl (aTHX_ prev); 1002 save_perl (aTHX_ prev);
… …
846 } 1004 }
847 1005
848 prev__cctx = prev->cctx; 1006 prev__cctx = prev->cctx;
849 1007
850 /* possibly "free" the cctx */ 1008 /* possibly "free" the cctx */
851 if (prev__cctx->idle_sp == STACKLEVEL) 1009 if (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE))
852 { 1010 {
853 /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */ 1011 /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */
854 assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te)); 1012 assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
855 1013
856 prev->cctx = 0; 1014 prev->cctx = 0;
857 1015
858 cctx_put (prev__cctx); 1016 cctx_put (prev__cctx);
859 prev__cctx->inuse = 0;
860 } 1017 }
861 1018
862 if (!next->cctx) 1019 if (!next->cctx)
863 {
864 next->cctx = cctx_get (aTHX); 1020 next->cctx = cctx_get (aTHX);
865 assert (!next->cctx->inuse);
866 next->cctx->inuse = 1;
867 }
868 1021
869 if (prev__cctx != next->cctx) 1022 if (prev__cctx != next->cctx)
870 { 1023 {
871 prev__cctx->top_env = PL_top_env; 1024 prev__cctx->top_env = PL_top_env;
872 PL_top_env = next->cctx->top_env; 1025 PL_top_env = next->cctx->top_env;
… …
882{ 1035{
883 struct coro *prev, *next; 1036 struct coro *prev, *next;
884}; 1037};
885 1038
886#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next) 1039#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)
1040#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
887 1041
888/** high level stuff ********************************************************/ 1042/** high level stuff ********************************************************/
889 1043
890static int 1044static int
891coro_state_destroy (pTHX_ struct coro *coro) 1045coro_state_destroy (pTHX_ struct coro *coro)
… …
974#else 1128#else
975# define MGf_DUP 0 1129# define MGf_DUP 0
976#endif 1130#endif
977}; 1131};
978 1132
979static struct coro *
980SvSTATE_ (pTHX_ SV *coro)
981{
982 HV *stash;
983 MAGIC *mg;
984
985 if (SvROK (coro))
986 coro = SvRV (coro);
987
988 stash = SvSTASH (coro);
989 if (stash != coro_stash && stash != coro_state_stash)
990 {
991 /* very slow, but rare, check */
992 if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
993 croak ("Coro::State object required");
994 }
995
996 mg = CORO_MAGIC (coro);
997 return (struct coro *)mg->mg_ptr;
998}
999
1000#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
1001
1002static void 1133static void
1003prepare_transfer (pTHX_ struct transfer_args *ta, SV *prev_sv, SV *next_sv) 1134prepare_transfer (pTHX_ struct transfer_args *ta, SV *prev_sv, SV *next_sv)
1004{ 1135{
1005 ta->prev = SvSTATE (prev_sv); 1136 ta->prev = SvSTATE (prev_sv);
1006 ta->next = SvSTATE (next_sv); 1137 ta->next = SvSTATE (next_sv);
1138 TRANSFER_CHECK (*ta);
1007} 1139}
1008 1140
1009static void 1141static void
1010api_transfer (SV *prev_sv, SV *next_sv) 1142api_transfer (SV *prev_sv, SV *next_sv)
1011{ 1143{
… …
1128 break; 1260 break;
1129 } 1261 }
1130 1262
1131 /* free this only after the transfer */ 1263 /* free this only after the transfer */
1132 prev_sv = SvRV (coro_current); 1264 prev_sv = SvRV (coro_current);
1133 SvRV_set (coro_current, next_sv);
1134 ta->prev = SvSTATE (prev_sv); 1265 ta->prev = SvSTATE (prev_sv);
1135 1266 TRANSFER_CHECK (*ta);
1136 assert (ta->next->flags & CF_READY); 1267 assert (ta->next->flags & CF_READY);
1137 ta->next->flags &= ~CF_READY; 1268 ta->next->flags &= ~CF_READY;
1269 SvRV_set (coro_current, next_sv);
1138 1270
1139 LOCK; 1271 LOCK;
1140 free_coro_mortal (aTHX); 1272 free_coro_mortal (aTHX);
1141 coro_mortal = prev_sv; 1273 coro_mortal = prev_sv;
1142 UNLOCK; 1274 UNLOCK;
… …
1215 MUTEX_INIT (&coro_mutex); 1347 MUTEX_INIT (&coro_mutex);
1216#endif 1348#endif
1217 BOOT_PAGESIZE; 1349 BOOT_PAGESIZE;
1218 1350
1219 coro_state_stash = gv_stashpv ("Coro::State", TRUE); 1351 coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1352
1353 newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1354 newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
1355 newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE));
1356 newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL));
1220 1357
1221 newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV)); 1358 newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV));
1222 newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV)); 1359 newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV));
1223 newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV)); 1360 newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV));
1224 newCONSTSUB (coro_state_stash, "SAVE_IRSSV", newSViv (CORO_SAVE_IRSSV)); 1361 newCONSTSUB (coro_state_stash, "SAVE_IRSSV", newSViv (CORO_SAVE_IRSSV));
… …
1376 if (coro->hv) 1513 if (coro->hv)
1377 XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); 1514 XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv)));
1378} 1515}
1379 1516
1380void 1517void
1381_eval (Coro::State coro, SV *coderef) 1518call (Coro::State coro, SV *coderef)
1519 ALIAS:
1520 eval = 1
1382 CODE: 1521 CODE:
1383{ 1522{
1384 if (coro->mainstack) 1523 if (coro->mainstack)
1385 { 1524 {
1386 struct coro temp; 1525 struct coro temp;
… …
1397 dSP; 1536 dSP;
1398 ENTER; 1537 ENTER;
1399 SAVETMPS; 1538 SAVETMPS;
1400 PUSHMARK (SP); 1539 PUSHMARK (SP);
1401 PUTBACK; 1540 PUTBACK;
1541 if (ix)
1542 eval_sv (coderef, 0);
1543 else
1402 call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); 1544 call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
1403 SPAGAIN; 1545 SPAGAIN;
1404 FREETMPS; 1546 FREETMPS;
1405 LEAVE; 1547 LEAVE;
1406 PUTBACK; 1548 PUTBACK;
1407 } 1549 }
… …
1425 CODE: 1567 CODE:
1426 RETVAL = boolSV (coro->flags & ix); 1568 RETVAL = boolSV (coro->flags & ix);
1427 OUTPUT: 1569 OUTPUT:
1428 RETVAL 1570 RETVAL
1429 1571
1572void
1573trace (Coro::State coro, int flags = CC_TRACE | CC_TRACE_SUB)
1574 CODE:
1575 if (flags & CC_TRACE)
1576 {
1577 if (!coro->cctx)
1578 coro->cctx = cctx_new ();
1579 else if (!(coro->cctx->flags & CC_TRACE))
1580 croak ("cannot enable tracing on coroutine with custom stack");
1581
1582 coro->cctx->flags |= flags & (CC_TRACE | CC_TRACE_ALL);
1583 }
1584 else
1585 if (coro->cctx && coro->cctx->flags & CC_TRACE)
1586 {
1587 coro->cctx->flags &= ~(CC_TRACE | CC_TRACE_ALL);
1588 coro->cctx->flags |= CC_NOREUSE;
1589
1590 if (coro->flags & CF_RUNNING)
1591 PL_runops = RUNOPS_DEFAULT;
1592 else
1593 coro->runops = RUNOPS_DEFAULT;
1594 }
1595
1596SV *
1597has_stack (Coro::State coro)
1598 PROTOTYPE: $
1599 CODE:
1600 RETVAL = boolSV (!!coro->cctx);
1601 OUTPUT:
1602 RETVAL
1603
1604int
1605is_traced (Coro::State coro)
1606 PROTOTYPE: $
1607 CODE:
1608 RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL;
1609 OUTPUT:
1610 RETVAL
1611
1430IV 1612IV
1431rss (Coro::State coro) 1613rss (Coro::State coro)
1432 PROTOTYPE: $ 1614 PROTOTYPE: $
1433 CODE: 1615 CODE:
1434 RETVAL = coro_rss (coro); 1616 RETVAL = coro_rss (aTHX_ coro);
1435 OUTPUT: 1617 OUTPUT:
1436 RETVAL 1618 RETVAL
1437 1619
1438 1620
1439MODULE = Coro::State PACKAGE = Coro 1621MODULE = Coro::State PACKAGE = Coro
1440 1622
1441BOOT: 1623BOOT:
1442{ 1624{
1443 int i; 1625 int i;
1626
1627 sv_pool_rss = get_sv ("Coro::POOL_RSS" , TRUE);
1628 sv_pool_size = get_sv ("Coro::POOL_SIZE" , TRUE);
1629 av_async_pool = get_av ("Coro::async_pool", TRUE);
1630
1631 coro_current = get_sv ("Coro::current", FALSE);
1632 SvREADONLY_on (coro_current);
1444 1633
1445 coro_stash = gv_stashpv ("Coro", TRUE); 1634 coro_stash = gv_stashpv ("Coro", TRUE);
1446 1635
1447 newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); 1636 newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
1448 newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); 1637 newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
1449 newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); 1638 newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
1450 newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); 1639 newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
1451 newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE)); 1640 newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));
1452 newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN)); 1641 newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));
1453
1454 coro_current = get_sv ("Coro::current", FALSE);
1455 SvREADONLY_on (coro_current);
1456 1642
1457 for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) 1643 for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
1458 coro_ready[i] = newAV (); 1644 coro_ready[i] = newAV ();
1459 1645
1460 { 1646 {
… …
1518 CODE: 1704 CODE:
1519 RETVAL = coro_nready; 1705 RETVAL = coro_nready;
1520 OUTPUT: 1706 OUTPUT:
1521 RETVAL 1707 RETVAL
1522 1708
1709# for async_pool speedup
1710void
1711_pool_1 (SV *cb)
1712 CODE:
1713{
1714 int i, len;
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
1720 if (!invoke)
1721 croak ("\3terminate\2\n");
1722
1723 hv_store (hv, "desc", sizeof ("desc") - 1,
1724 newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
1725
1726 invoke_av = (AV *)SvRV (invoke);
1727 len = av_len (invoke_av);
1728
1729 sv_setsv (cb, AvARRAY (invoke_av)[0]);
1730
1731 if (len > 0)
1732 {
1733 av_fill (defav, len - 1);
1734 for (i = 0; i < len; ++i)
1735 av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1]));
1736 }
1737
1738 SvREFCNT_dec (invoke);
1739}
1740
1741void
1742_pool_2 (SV *cb)
1743 CODE:
1744{
1745 struct coro *coro = SvSTATE (coro_current);
1746
1747 sv_setsv (cb, &PL_sv_undef);
1748
1749 if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1750 || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
1751 croak ("\3terminate\2\n");
1752
1753 av_clear (GvAV (PL_defgv));
1754 hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
1755 newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
1756 coro->save = CORO_SAVE_DEF;
1757 coro->prio = 0;
1758 av_push (av_async_pool, newSVsv (coro_current));
1759}
1760
1761
1523MODULE = Coro::State PACKAGE = Coro::AIO 1762MODULE = Coro::State PACKAGE = Coro::AIO
1524 1763
1525SV * 1764SV *
1526_get_state () 1765_get_state ()
1527 CODE: 1766 CODE:

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