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Comparing Coro/Coro/State.xs (file contents):
Revision 1.160 by root, Sat Sep 22 22:39:15 2007 UTC vs.
Revision 1.171 by root, Sat Sep 29 19:42:10 2007 UTC

… …
140static AV *av_async_pool; 140static AV *av_async_pool;
141 141
142static struct coro_cctx *cctx_first; 142static struct coro_cctx *cctx_first;
143static int cctx_count, cctx_idle; 143static int cctx_count, cctx_idle;
144 144
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};
153
145/* this is a structure representing a c-level coroutine */ 154/* this is a structure representing a c-level coroutine */
146typedef struct coro_cctx { 155typedef struct coro_cctx {
147 struct coro_cctx *next; 156 struct coro_cctx *next;
148 157
149 /* the stack */ 158 /* the stack */
… …
157 coro_context cctx; 166 coro_context cctx;
158 167
159#if CORO_USE_VALGRIND 168#if CORO_USE_VALGRIND
160 int valgrind_id; 169 int valgrind_id;
161#endif 170#endif
162 char inuse, mapped; 171 unsigned char flags;
163} coro_cctx; 172} coro_cctx;
164 173
165enum { 174enum {
166 CF_RUNNING = 0x0001, /* coroutine is running */ 175 CF_RUNNING = 0x0001, /* coroutine is running */
167 CF_READY = 0x0002, /* coroutine is ready */ 176 CF_READY = 0x0002, /* coroutine is ready */
… …
289 SvMAGIC (cv) \ 298 SvMAGIC (cv) \
290 ? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \ 299 ? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \
291 ? SvMAGIC (cv) \ 300 ? SvMAGIC (cv) \
292 : mg_find ((SV *)cv, PERL_MAGIC_coro) \ 301 : mg_find ((SV *)cv, PERL_MAGIC_coro) \
293 : 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))
294 326
295/* the next two functions merely cache the padlists */ 327/* the next two functions merely cache the padlists */
296static void 328static void
297get_padlist (pTHX_ CV *cv) 329get_padlist (pTHX_ CV *cv)
298{ 330{
… …
544 Safefree (PL_retstack); 576 Safefree (PL_retstack);
545#endif 577#endif
546} 578}
547 579
548static size_t 580static size_t
549coro_rss (struct coro *coro) 581coro_rss (pTHX_ struct coro *coro)
550{ 582{
551 size_t rss = sizeof (coro); 583 size_t rss = sizeof (coro);
552 584
553 if (coro->mainstack) 585 if (coro->mainstack)
554 { 586 {
… …
584 /* 616 /*
585 * emulate part of the perl startup here. 617 * emulate part of the perl startup here.
586 */ 618 */
587 coro_init_stacks (aTHX); 619 coro_init_stacks (aTHX);
588 620
621 PL_runops = RUNOPS_DEFAULT;
589 PL_curcop = &PL_compiling; 622 PL_curcop = &PL_compiling;
590 PL_in_eval = EVAL_NULL; 623 PL_in_eval = EVAL_NULL;
591 PL_comppad = 0; 624 PL_comppad = 0;
592 PL_curpm = 0; 625 PL_curpm = 0;
593 PL_localizing = 0; 626 PL_localizing = 0;
… …
624 SvREFCNT_dec (coro_mortal); 657 SvREFCNT_dec (coro_mortal);
625 coro_mortal = 0; 658 coro_mortal = 0;
626 } 659 }
627} 660}
628 661
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
629/* 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 */
630/* _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 */
631/* during execution of a perl program */ 776/* during execution of a perl program */
632static void NOINLINE 777static void NOINLINE
633prepare_cctx (pTHX_ coro_cctx *cctx) 778prepare_cctx (pTHX_ coro_cctx *cctx)
634{ 779{
635 dSP; 780 dSP;
636 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;
637 787
638 Zero (&myop, 1, LOGOP); 788 Zero (&myop, 1, LOGOP);
639 myop.op_next = PL_op; 789 myop.op_next = PL_op;
640 myop.op_flags = OPf_WANT_VOID | OPf_STACKED; 790 myop.op_flags = OPf_WANT_VOID | OPf_STACKED;
641 791
… …
658 dTHX; 808 dTHX;
659 809
660 /* coro_run is the alternative tail of transfer(), so unlock here. */ 810 /* coro_run is the alternative tail of transfer(), so unlock here. */
661 UNLOCK; 811 UNLOCK;
662 812
663 PL_top_env = &PL_start_env; 813 /* we now skip the entersub that lead to transfer() */
814 PL_op = PL_op->op_next;
664 815
665 /* inject a fake subroutine call to cctx_init */ 816 /* inject a fake subroutine call to cctx_init */
666 prepare_cctx (aTHX_ (coro_cctx *)arg); 817 prepare_cctx (aTHX_ (coro_cctx *)arg);
667 818
668 /* 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 */
… …
702# if CORO_STACKGUARD 853# if CORO_STACKGUARD
703 mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); 854 mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE);
704# endif 855# endif
705 stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr; 856 stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr;
706 stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE; 857 stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE;
707 cctx->mapped = 1; 858 cctx->flags |= CC_MAPPED;
708 } 859 }
709 else 860 else
710#endif 861#endif
711 { 862 {
712 cctx->ssize = coro_stacksize * (long)sizeof (long); 863 cctx->ssize = coro_stacksize * (long)sizeof (long);
… …
739#if CORO_USE_VALGRIND 890#if CORO_USE_VALGRIND
740 VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); 891 VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
741#endif 892#endif
742 893
743#if HAVE_MMAP 894#if HAVE_MMAP
744 if (cctx->mapped) 895 if (cctx->flags & CC_MAPPED)
745 munmap (cctx->sptr, cctx->ssize); 896 munmap (cctx->sptr, cctx->ssize);
746 else 897 else
747#endif 898#endif
748 Safefree (cctx->sptr); 899 Safefree (cctx->sptr);
749 900
… …
757 { 908 {
758 coro_cctx *cctx = cctx_first; 909 coro_cctx *cctx = cctx_first;
759 cctx_first = cctx->next; 910 cctx_first = cctx->next;
760 --cctx_idle; 911 --cctx_idle;
761 912
762 if (cctx->ssize >= coro_stacksize) 913 if (cctx->ssize >= coro_stacksize && !(cctx->flags & CC_NOREUSE))
763 return cctx; 914 return cctx;
764 915
765 cctx_destroy (cctx); 916 cctx_destroy (cctx);
766 } 917 }
767 918
768 PL_op = PL_op->op_next;
769 return cctx_new (); 919 return cctx_new ();
770} 920}
771 921
772static void 922static void
773cctx_put (coro_cctx *cctx) 923cctx_put (coro_cctx *cctx)
… …
777 { 927 {
778 coro_cctx *first = cctx_first; 928 coro_cctx *first = cctx_first;
779 cctx_first = first->next; 929 cctx_first = first->next;
780 --cctx_idle; 930 --cctx_idle;
781 931
782 assert (!first->inuse);
783 cctx_destroy (first); 932 cctx_destroy (first);
784 } 933 }
785 934
786 ++cctx_idle; 935 ++cctx_idle;
787 cctx->next = cctx_first; 936 cctx->next = cctx_first;
788 cctx_first = cctx; 937 cctx_first = cctx;
789} 938}
790 939
791/** coroutine switching *****************************************************/ 940/** coroutine switching *****************************************************/
792 941
793/* 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 */
794static void NOINLINE 962static void NOINLINE
795transfer (pTHX_ struct coro *prev, struct coro *next) 963transfer (pTHX_ struct coro *prev, struct coro *next)
796{ 964{
797 dSTACKLEVEL; 965 dSTACKLEVEL;
798 966
… …
808 976
809 if (prev->flags & CF_NEW) 977 if (prev->flags & CF_NEW)
810 { 978 {
811 /* create a new empty context */ 979 /* create a new empty context */
812 Newz (0, prev->cctx, 1, coro_cctx); 980 Newz (0, prev->cctx, 1, coro_cctx);
813 prev->cctx->inuse = 1;
814 prev->flags &= ~CF_NEW; 981 prev->flags &= ~CF_NEW;
815 prev->flags |= CF_RUNNING; 982 prev->flags |= CF_RUNNING;
816 } 983 }
817
818 /*TODO: must not croak here */
819 if (!prev->flags & CF_RUNNING)
820 croak ("Coro::State::transfer called with non-running prev Coro::State, but can only transfer from running states");
821
822 if (next->flags & CF_RUNNING)
823 croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
824
825 if (next->flags & CF_DESTROYED)
826 croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
827 984
828 prev->flags &= ~CF_RUNNING; 985 prev->flags &= ~CF_RUNNING;
829 next->flags |= CF_RUNNING; 986 next->flags |= CF_RUNNING;
830 987
831 LOCK; 988 LOCK;
… …
836 next->flags &= ~CF_NEW; 993 next->flags &= ~CF_NEW;
837 /* first get rid of the old state */ 994 /* first get rid of the old state */
838 save_perl (aTHX_ prev); 995 save_perl (aTHX_ prev);
839 /* setup coroutine call */ 996 /* setup coroutine call */
840 setup_coro (aTHX_ next); 997 setup_coro (aTHX_ next);
841 /* need a new stack */
842 assert (!next->cctx);
843 } 998 }
844 else 999 else
845 { 1000 {
846 /* coroutine already started */ 1001 /* coroutine already started */
847 save_perl (aTHX_ prev); 1002 save_perl (aTHX_ prev);
… …
849 } 1004 }
850 1005
851 prev__cctx = prev->cctx; 1006 prev__cctx = prev->cctx;
852 1007
853 /* possibly "free" the cctx */ 1008 /* possibly "free" the cctx */
854 if (prev__cctx->idle_sp == STACKLEVEL) 1009 if (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE))
855 { 1010 {
856 /* 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 */
857 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));
858 1013
859 prev->cctx = 0; 1014 prev->cctx = 0;
860 1015
861 cctx_put (prev__cctx); 1016 cctx_put (prev__cctx);
862 prev__cctx->inuse = 0;
863 } 1017 }
864 1018
865 if (!next->cctx) 1019 if (!next->cctx)
866 {
867 next->cctx = cctx_get (aTHX); 1020 next->cctx = cctx_get (aTHX);
868 assert (!next->cctx->inuse);
869 next->cctx->inuse = 1;
870 }
871 1021
872 if (prev__cctx != next->cctx) 1022 if (prev__cctx != next->cctx)
873 { 1023 {
874 prev__cctx->top_env = PL_top_env; 1024 prev__cctx->top_env = PL_top_env;
875 PL_top_env = next->cctx->top_env; 1025 PL_top_env = next->cctx->top_env;
… …
885{ 1035{
886 struct coro *prev, *next; 1036 struct coro *prev, *next;
887}; 1037};
888 1038
889#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)
890 1041
891/** high level stuff ********************************************************/ 1042/** high level stuff ********************************************************/
892 1043
893static int 1044static int
894coro_state_destroy (pTHX_ struct coro *coro) 1045coro_state_destroy (pTHX_ struct coro *coro)
… …
977#else 1128#else
978# define MGf_DUP 0 1129# define MGf_DUP 0
979#endif 1130#endif
980}; 1131};
981 1132
982static struct coro *
983SvSTATE_ (pTHX_ SV *coro)
984{
985 HV *stash;
986 MAGIC *mg;
987
988 if (SvROK (coro))
989 coro = SvRV (coro);
990
991 stash = SvSTASH (coro);
992 if (stash != coro_stash && stash != coro_state_stash)
993 {
994 /* very slow, but rare, check */
995 if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
996 croak ("Coro::State object required");
997 }
998
999 mg = CORO_MAGIC (coro);
1000 return (struct coro *)mg->mg_ptr;
1001}
1002
1003#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
1004
1005static void 1133static void
1006prepare_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)
1007{ 1135{
1008 ta->prev = SvSTATE (prev_sv); 1136 ta->prev = SvSTATE (prev_sv);
1009 ta->next = SvSTATE (next_sv); 1137 ta->next = SvSTATE (next_sv);
1138 TRANSFER_CHECK (*ta);
1010} 1139}
1011 1140
1012static void 1141static void
1013api_transfer (SV *prev_sv, SV *next_sv) 1142api_transfer (SV *prev_sv, SV *next_sv)
1014{ 1143{
… …
1131 break; 1260 break;
1132 } 1261 }
1133 1262
1134 /* free this only after the transfer */ 1263 /* free this only after the transfer */
1135 prev_sv = SvRV (coro_current); 1264 prev_sv = SvRV (coro_current);
1136 SvRV_set (coro_current, next_sv);
1137 ta->prev = SvSTATE (prev_sv); 1265 ta->prev = SvSTATE (prev_sv);
1138 1266 TRANSFER_CHECK (*ta);
1139 assert (ta->next->flags & CF_READY); 1267 assert (ta->next->flags & CF_READY);
1140 ta->next->flags &= ~CF_READY; 1268 ta->next->flags &= ~CF_READY;
1269 SvRV_set (coro_current, next_sv);
1141 1270
1142 LOCK; 1271 LOCK;
1143 free_coro_mortal (aTHX); 1272 free_coro_mortal (aTHX);
1144 coro_mortal = prev_sv; 1273 coro_mortal = prev_sv;
1145 UNLOCK; 1274 UNLOCK;
… …
1218 MUTEX_INIT (&coro_mutex); 1347 MUTEX_INIT (&coro_mutex);
1219#endif 1348#endif
1220 BOOT_PAGESIZE; 1349 BOOT_PAGESIZE;
1221 1350
1222 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));
1223 1357
1224 newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV)); 1358 newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV));
1225 newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV)); 1359 newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV));
1226 newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV)); 1360 newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV));
1227 newCONSTSUB (coro_state_stash, "SAVE_IRSSV", newSViv (CORO_SAVE_IRSSV)); 1361 newCONSTSUB (coro_state_stash, "SAVE_IRSSV", newSViv (CORO_SAVE_IRSSV));
… …
1379 if (coro->hv) 1513 if (coro->hv)
1380 XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); 1514 XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv)));
1381} 1515}
1382 1516
1383void 1517void
1384_eval (Coro::State coro, SV *coderef) 1518call (Coro::State coro, SV *coderef)
1519 ALIAS:
1520 eval = 1
1385 CODE: 1521 CODE:
1386{ 1522{
1387 if (coro->mainstack) 1523 if (coro->mainstack)
1388 { 1524 {
1389 struct coro temp; 1525 struct coro temp;
… …
1400 dSP; 1536 dSP;
1401 ENTER; 1537 ENTER;
1402 SAVETMPS; 1538 SAVETMPS;
1403 PUSHMARK (SP); 1539 PUSHMARK (SP);
1404 PUTBACK; 1540 PUTBACK;
1541 if (ix)
1542 eval_sv (coderef, 0);
1543 else
1405 call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); 1544 call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
1406 SPAGAIN; 1545 SPAGAIN;
1407 FREETMPS; 1546 FREETMPS;
1408 LEAVE; 1547 LEAVE;
1409 PUTBACK; 1548 PUTBACK;
1410 } 1549 }
… …
1428 CODE: 1567 CODE:
1429 RETVAL = boolSV (coro->flags & ix); 1568 RETVAL = boolSV (coro->flags & ix);
1430 OUTPUT: 1569 OUTPUT:
1431 RETVAL 1570 RETVAL
1432 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
1433IV 1612IV
1434rss (Coro::State coro) 1613rss (Coro::State coro)
1435 PROTOTYPE: $ 1614 PROTOTYPE: $
1436 CODE: 1615 CODE:
1437 RETVAL = coro_rss (coro); 1616 RETVAL = coro_rss (aTHX_ coro);
1438 OUTPUT: 1617 OUTPUT:
1439 RETVAL 1618 RETVAL
1440 1619
1441 1620
1442MODULE = Coro::State PACKAGE = Coro 1621MODULE = Coro::State PACKAGE = Coro
… …
1526 RETVAL = coro_nready; 1705 RETVAL = coro_nready;
1527 OUTPUT: 1706 OUTPUT:
1528 RETVAL 1707 RETVAL
1529 1708
1530# for async_pool speedup 1709# for async_pool speedup
1531SV * 1710void
1532_pool_1 (...) 1711_pool_1 (SV *cb)
1533 CODE: 1712 CODE:
1534{ 1713{
1535 int i, len; 1714 int i, len;
1536 HV *hv = (HV *)SvRV (coro_current); 1715 HV *hv = (HV *)SvRV (coro_current);
1537 AV *defav = GvAV (PL_defgv); 1716 AV *defav = GvAV (PL_defgv);
1538 SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0); 1717 SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
1539 AV *invoke_av; 1718 AV *invoke_av;
1540 1719
1541 if (!invoke) 1720 if (!invoke)
1542 XSRETURN_EMPTY; 1721 croak ("\3terminate\2\n");
1543 1722
1544 hv_store (hv, "desc", sizeof ("desc") - 1, 1723 hv_store (hv, "desc", sizeof ("desc") - 1,
1545 newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0); 1724 newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
1546 1725
1547 invoke_av = (AV *)SvRV (invoke); 1726 invoke_av = (AV *)SvRV (invoke);
1548 len = av_len (invoke_av); 1727 len = av_len (invoke_av);
1549 1728
1550 RETVAL = SvREFCNT_inc (AvARRAY (invoke_av)[0]); 1729 sv_setsv (cb, AvARRAY (invoke_av)[0]);
1551 1730
1552 if (len > 0) 1731 if (len > 0)
1553 { 1732 {
1554 av_clear (defav);
1555 av_extend (defav, len); 1733 av_fill (defav, len - 1);
1556 for (i = 0; i < len; ++i) 1734 for (i = 0; i < len; ++i)
1557 av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1])); 1735 av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1]));
1558 } 1736 }
1559 1737
1560 SvREFCNT_dec (invoke); 1738 SvREFCNT_dec (invoke);
1561} 1739}
1562 OUTPUT:
1563 RETVAL
1564 1740
1565void 1741void
1566_pool_2 (...) 1742_pool_2 (SV *cb)
1567 CODE: 1743 CODE:
1568{ 1744{
1569 struct coro *coro = SvSTATE (coro_current); 1745 struct coro *coro = SvSTATE (coro_current);
1570 1746
1747 sv_setsv (cb, &PL_sv_undef);
1748
1571 if (coro_rss (coro) > SvIV (sv_pool_rss) 1749 if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1572 || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) 1750 || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
1573 XSRETURN_YES; 1751 croak ("\3terminate\2\n");
1574 1752
1575 av_clear (GvAV (PL_defgv)); 1753 av_clear (GvAV (PL_defgv));
1576 hv_store (SvRV (coro_current), "desc", sizeof ("desc") - 1, 1754 hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
1577 newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0); 1755 newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
1578 coro->save = CORO_SAVE_DEF; 1756 coro->save = CORO_SAVE_DEF;
1579 coro->prio = 0; 1757 coro->prio = 0;
1580 av_push (av_async_pool, newSVsv (coro_current)); 1758 av_push (av_async_pool, newSVsv (coro_current));
1581
1582 XSRETURN_NO;
1583} 1759}
1584 1760
1585 1761
1586MODULE = Coro::State PACKAGE = Coro::AIO 1762MODULE = Coro::State PACKAGE = Coro::AIO
1587 1763

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