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Comparing Coro/Coro/State.xs (file contents):
Revision 1.164 by root, Tue Sep 25 01:47:23 2007 UTC vs.
Revision 1.175 by root, Sun Sep 30 13:43:45 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 */
… …
190 199
191#define VAR(name,type) type name; 200#define VAR(name,type) type name;
192# include "state.h" 201# include "state.h"
193#undef VAR 202#undef VAR
194 203
204 /* statistics */
205 int usecount; /* number of switches to this coro */
206
195 /* coro process data */ 207 /* coro process data */
196 int prio; 208 int prio;
197 209
198 /* linked list */ 210 /* linked list */
199 struct coro *next, *prev; 211 struct coro *next, *prev;
… …
289 SvMAGIC (cv) \ 301 SvMAGIC (cv) \
290 ? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \ 302 ? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \
291 ? SvMAGIC (cv) \ 303 ? SvMAGIC (cv) \
292 : mg_find ((SV *)cv, PERL_MAGIC_coro) \ 304 : mg_find ((SV *)cv, PERL_MAGIC_coro) \
293 : 0 305 : 0
306
307static struct coro *
308SvSTATE_ (pTHX_ SV *coro)
309{
310 HV *stash;
311 MAGIC *mg;
312
313 if (SvROK (coro))
314 coro = SvRV (coro);
315
316 if (SvTYPE (coro) != SVt_PVHV)
317 croak ("Coro::State object required");
318
319 stash = SvSTASH (coro);
320 if (stash != coro_stash && stash != coro_state_stash)
321 {
322 /* very slow, but rare, check */
323 if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
324 croak ("Coro::State object required");
325 }
326
327 mg = CORO_MAGIC (coro);
328 return (struct coro *)mg->mg_ptr;
329}
330
331#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
294 332
295/* the next two functions merely cache the padlists */ 333/* the next two functions merely cache the padlists */
296static void 334static void
297get_padlist (pTHX_ CV *cv) 335get_padlist (pTHX_ CV *cv)
298{ 336{
… …
544 Safefree (PL_retstack); 582 Safefree (PL_retstack);
545#endif 583#endif
546} 584}
547 585
548static size_t 586static size_t
549coro_rss (struct coro *coro) 587coro_rss (pTHX_ struct coro *coro)
550{ 588{
551 size_t rss = sizeof (coro); 589 size_t rss = sizeof (coro);
552 590
553 if (coro->mainstack) 591 if (coro->mainstack)
554 { 592 {
… …
584 /* 622 /*
585 * emulate part of the perl startup here. 623 * emulate part of the perl startup here.
586 */ 624 */
587 coro_init_stacks (aTHX); 625 coro_init_stacks (aTHX);
588 626
627 PL_runops = RUNOPS_DEFAULT;
589 PL_curcop = &PL_compiling; 628 PL_curcop = &PL_compiling;
590 PL_in_eval = EVAL_NULL; 629 PL_in_eval = EVAL_NULL;
591 PL_comppad = 0; 630 PL_comppad = 0;
592 PL_curpm = 0; 631 PL_curpm = 0;
593 PL_localizing = 0; 632 PL_localizing = 0;
… …
624 SvREFCNT_dec (coro_mortal); 663 SvREFCNT_dec (coro_mortal);
625 coro_mortal = 0; 664 coro_mortal = 0;
626 } 665 }
627} 666}
628 667
668static int
669runops_trace (pTHX)
670{
671 COP *oldcop = 0;
672 int oldcxix = -2;
673 struct coro *coro = SvSTATE (coro_current); /* trace cctx is tied to specific coro */
674 coro_cctx *cctx = coro->cctx;
675
676 while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))
677 {
678 PERL_ASYNC_CHECK ();
679
680 if (cctx->flags & CC_TRACE_ALL)
681 {
682 if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB)
683 {
684 PERL_CONTEXT *cx = &cxstack[cxstack_ix];
685 SV **bot, **top;
686 AV *av = newAV (); /* return values */
687 SV **cb;
688 dSP;
689
690 GV *gv = CvGV (cx->blk_sub.cv);
691 SV *fullname = sv_2mortal (newSV (0));
692 if (isGV (gv))
693 gv_efullname3 (fullname, gv, 0);
694
695 bot = PL_stack_base + cx->blk_oldsp + 1;
696 top = cx->blk_gimme == G_ARRAY ? SP + 1
697 : cx->blk_gimme == G_SCALAR ? bot + 1
698 : bot;
699
700 while (bot < top)
701 av_push (av, SvREFCNT_inc (*bot++));
702
703 PL_runops = RUNOPS_DEFAULT;
704 ENTER;
705 SAVETMPS;
706 EXTEND (SP, 3);
707 PUSHMARK (SP);
708 PUSHs (&PL_sv_no);
709 PUSHs (fullname);
710 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
711 PUTBACK;
712 cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
713 if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
714 SPAGAIN;
715 FREETMPS;
716 LEAVE;
717 PL_runops = runops_trace;
718 }
719
720 if (oldcop != PL_curcop)
721 {
722 oldcop = PL_curcop;
723
724 if (PL_curcop != &PL_compiling)
725 {
726 SV **cb;
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 runops_proc_t old_runops = PL_runops;
735 dSP;
736 GV *gv = CvGV (cx->blk_sub.cv);
737 SV *fullname = sv_2mortal (newSV (0));
738
739 if (isGV (gv))
740 gv_efullname3 (fullname, gv, 0);
741
742 PL_runops = RUNOPS_DEFAULT;
743 ENTER;
744 SAVETMPS;
745 EXTEND (SP, 3);
746 PUSHMARK (SP);
747 PUSHs (&PL_sv_yes);
748 PUSHs (fullname);
749 PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
750 PUTBACK;
751 cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
752 if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
753 SPAGAIN;
754 FREETMPS;
755 LEAVE;
756 PL_runops = runops_trace;
757 }
758
759 oldcxix = cxstack_ix;
760 }
761
762 if (cctx->flags & CC_TRACE_LINE)
763 {
764 dSP;
765
766 PL_runops = RUNOPS_DEFAULT;
767 ENTER;
768 SAVETMPS;
769 EXTEND (SP, 3);
770 PL_runops = RUNOPS_DEFAULT;
771 PUSHMARK (SP);
772 PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));
773 PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));
774 PUTBACK;
775 cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0);
776 if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
777 SPAGAIN;
778 FREETMPS;
779 LEAVE;
780 PL_runops = runops_trace;
781 }
782 }
783 }
784 }
785 }
786
787 TAINT_NOT;
788 return 0;
789}
790
629/* inject a fake call to Coro::State::_cctx_init into the execution */ 791/* 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 */ 792/* _cctx_init should be careful, as it could be called at almost any time */
631/* during execution of a perl program */ 793/* during execution of a perl program */
632static void NOINLINE 794static void NOINLINE
633prepare_cctx (pTHX_ coro_cctx *cctx) 795prepare_cctx (pTHX_ coro_cctx *cctx)
634{ 796{
635 dSP; 797 dSP;
636 LOGOP myop; 798 LOGOP myop;
799
800 PL_top_env = &PL_start_env;
801
802 if (cctx->flags & CC_TRACE)
803 PL_runops = runops_trace;
637 804
638 Zero (&myop, 1, LOGOP); 805 Zero (&myop, 1, LOGOP);
639 myop.op_next = PL_op; 806 myop.op_next = PL_op;
640 myop.op_flags = OPf_WANT_VOID | OPf_STACKED; 807 myop.op_flags = OPf_WANT_VOID | OPf_STACKED;
641 808
… …
658 dTHX; 825 dTHX;
659 826
660 /* coro_run is the alternative tail of transfer(), so unlock here. */ 827 /* coro_run is the alternative tail of transfer(), so unlock here. */
661 UNLOCK; 828 UNLOCK;
662 829
663 PL_top_env = &PL_start_env; 830 /* we now skip the entersub that lead to transfer() */
831 PL_op = PL_op->op_next;
664 832
665 /* inject a fake subroutine call to cctx_init */ 833 /* inject a fake subroutine call to cctx_init */
666 prepare_cctx (aTHX_ (coro_cctx *)arg); 834 prepare_cctx (aTHX_ (coro_cctx *)arg);
667 835
668 /* somebody or something will hit me for both perl_run and PL_restartop */ 836 /* somebody or something will hit me for both perl_run and PL_restartop */
… …
702# if CORO_STACKGUARD 870# if CORO_STACKGUARD
703 mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); 871 mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE);
704# endif 872# endif
705 stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr; 873 stack_start = CORO_STACKGUARD * PAGESIZE + (char *)cctx->sptr;
706 stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE; 874 stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE;
707 cctx->mapped = 1; 875 cctx->flags |= CC_MAPPED;
708 } 876 }
709 else 877 else
710#endif 878#endif
711 { 879 {
712 cctx->ssize = coro_stacksize * (long)sizeof (long); 880 cctx->ssize = coro_stacksize * (long)sizeof (long);
… …
739#if CORO_USE_VALGRIND 907#if CORO_USE_VALGRIND
740 VALGRIND_STACK_DEREGISTER (cctx->valgrind_id); 908 VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
741#endif 909#endif
742 910
743#if HAVE_MMAP 911#if HAVE_MMAP
744 if (cctx->mapped) 912 if (cctx->flags & CC_MAPPED)
745 munmap (cctx->sptr, cctx->ssize); 913 munmap (cctx->sptr, cctx->ssize);
746 else 914 else
747#endif 915#endif
748 Safefree (cctx->sptr); 916 Safefree (cctx->sptr);
749 917
… …
757 { 925 {
758 coro_cctx *cctx = cctx_first; 926 coro_cctx *cctx = cctx_first;
759 cctx_first = cctx->next; 927 cctx_first = cctx->next;
760 --cctx_idle; 928 --cctx_idle;
761 929
762 if (cctx->ssize >= coro_stacksize) 930 if (cctx->ssize >= coro_stacksize && !(cctx->flags & CC_NOREUSE))
763 return cctx; 931 return cctx;
764 932
765 cctx_destroy (cctx); 933 cctx_destroy (cctx);
766 } 934 }
767 935
768 PL_op = PL_op->op_next;
769 return cctx_new (); 936 return cctx_new ();
770} 937}
771 938
772static void 939static void
773cctx_put (coro_cctx *cctx) 940cctx_put (coro_cctx *cctx)
… …
777 { 944 {
778 coro_cctx *first = cctx_first; 945 coro_cctx *first = cctx_first;
779 cctx_first = first->next; 946 cctx_first = first->next;
780 --cctx_idle; 947 --cctx_idle;
781 948
782 assert (!first->inuse);
783 cctx_destroy (first); 949 cctx_destroy (first);
784 } 950 }
785 951
786 ++cctx_idle; 952 ++cctx_idle;
787 cctx->next = cctx_first; 953 cctx->next = cctx_first;
788 cctx_first = cctx; 954 cctx_first = cctx;
789} 955}
790 956
791/** coroutine switching *****************************************************/ 957/** coroutine switching *****************************************************/
792 958
793/* never call directly, always through the coro_state_transfer global variable */ 959static void NOINLINE
960transfer_check (pTHX_ struct coro *prev, struct coro *next)
961{
962 if (prev != next)
963 {
964 if (!(prev->flags & (CF_RUNNING | CF_NEW)))
965 croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states");
966
967 if (next->flags & CF_RUNNING)
968 croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
969
970 if (next->flags & CF_DESTROYED)
971 croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
972
973 if (PL_lex_state != LEX_NOTPARSING)
974 croak ("Coro::State::transfer called while parsing, but this is not supported");
975 }
976}
977
978/* always use the TRANSFER macro */
794static void NOINLINE 979static void NOINLINE
795transfer (pTHX_ struct coro *prev, struct coro *next) 980transfer (pTHX_ struct coro *prev, struct coro *next)
796{ 981{
797 dSTACKLEVEL; 982 dSTACKLEVEL;
798 983
… …
808 993
809 if (prev->flags & CF_NEW) 994 if (prev->flags & CF_NEW)
810 { 995 {
811 /* create a new empty context */ 996 /* create a new empty context */
812 Newz (0, prev->cctx, 1, coro_cctx); 997 Newz (0, prev->cctx, 1, coro_cctx);
813 prev->cctx->inuse = 1;
814 prev->flags &= ~CF_NEW; 998 prev->flags &= ~CF_NEW;
815 prev->flags |= CF_RUNNING; 999 prev->flags |= CF_RUNNING;
816 } 1000 }
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 1001
828 prev->flags &= ~CF_RUNNING; 1002 prev->flags &= ~CF_RUNNING;
829 next->flags |= CF_RUNNING; 1003 next->flags |= CF_RUNNING;
830 1004
831 LOCK; 1005 LOCK;
… …
836 next->flags &= ~CF_NEW; 1010 next->flags &= ~CF_NEW;
837 /* first get rid of the old state */ 1011 /* first get rid of the old state */
838 save_perl (aTHX_ prev); 1012 save_perl (aTHX_ prev);
839 /* setup coroutine call */ 1013 /* setup coroutine call */
840 setup_coro (aTHX_ next); 1014 setup_coro (aTHX_ next);
841 /* need a new stack */
842 assert (!next->cctx);
843 } 1015 }
844 else 1016 else
845 { 1017 {
846 /* coroutine already started */ 1018 /* coroutine already started */
847 save_perl (aTHX_ prev); 1019 save_perl (aTHX_ prev);
… …
849 } 1021 }
850 1022
851 prev__cctx = prev->cctx; 1023 prev__cctx = prev->cctx;
852 1024
853 /* possibly "free" the cctx */ 1025 /* possibly "free" the cctx */
854 if (prev__cctx->idle_sp == STACKLEVEL) 1026 if (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE))
855 { 1027 {
856 /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */ 1028 /* 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)); 1029 assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
858 1030
859 prev->cctx = 0; 1031 prev->cctx = 0;
860 1032
861 cctx_put (prev__cctx); 1033 cctx_put (prev__cctx);
862 prev__cctx->inuse = 0;
863 } 1034 }
864 1035
1036 ++next->usecount;
1037
865 if (!next->cctx) 1038 if (!next->cctx)
866 {
867 next->cctx = cctx_get (aTHX); 1039 next->cctx = cctx_get (aTHX);
868 assert (!next->cctx->inuse);
869 next->cctx->inuse = 1;
870 }
871 1040
872 if (prev__cctx != next->cctx) 1041 if (prev__cctx != next->cctx)
873 { 1042 {
874 prev__cctx->top_env = PL_top_env; 1043 prev__cctx->top_env = PL_top_env;
875 PL_top_env = next->cctx->top_env; 1044 PL_top_env = next->cctx->top_env;
… …
885{ 1054{
886 struct coro *prev, *next; 1055 struct coro *prev, *next;
887}; 1056};
888 1057
889#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next) 1058#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)
1059#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
890 1060
891/** high level stuff ********************************************************/ 1061/** high level stuff ********************************************************/
892 1062
893static int 1063static int
894coro_state_destroy (pTHX_ struct coro *coro) 1064coro_state_destroy (pTHX_ struct coro *coro)
… …
977#else 1147#else
978# define MGf_DUP 0 1148# define MGf_DUP 0
979#endif 1149#endif
980}; 1150};
981 1151
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 1152static void
1006prepare_transfer (pTHX_ struct transfer_args *ta, SV *prev_sv, SV *next_sv) 1153prepare_transfer (pTHX_ struct transfer_args *ta, SV *prev_sv, SV *next_sv)
1007{ 1154{
1008 ta->prev = SvSTATE (prev_sv); 1155 ta->prev = SvSTATE (prev_sv);
1009 ta->next = SvSTATE (next_sv); 1156 ta->next = SvSTATE (next_sv);
1157 TRANSFER_CHECK (*ta);
1010} 1158}
1011 1159
1012static void 1160static void
1013api_transfer (SV *prev_sv, SV *next_sv) 1161api_transfer (SV *prev_sv, SV *next_sv)
1014{ 1162{
… …
1131 break; 1279 break;
1132 } 1280 }
1133 1281
1134 /* free this only after the transfer */ 1282 /* free this only after the transfer */
1135 prev_sv = SvRV (coro_current); 1283 prev_sv = SvRV (coro_current);
1136 SvRV_set (coro_current, next_sv);
1137 ta->prev = SvSTATE (prev_sv); 1284 ta->prev = SvSTATE (prev_sv);
1138 1285 TRANSFER_CHECK (*ta);
1139 assert (ta->next->flags & CF_READY); 1286 assert (ta->next->flags & CF_READY);
1140 ta->next->flags &= ~CF_READY; 1287 ta->next->flags &= ~CF_READY;
1288 SvRV_set (coro_current, next_sv);
1141 1289
1142 LOCK; 1290 LOCK;
1143 free_coro_mortal (aTHX); 1291 free_coro_mortal (aTHX);
1144 coro_mortal = prev_sv; 1292 coro_mortal = prev_sv;
1145 UNLOCK; 1293 UNLOCK;
… …
1206 } 1354 }
1207 else 1355 else
1208 return 0; 1356 return 0;
1209} 1357}
1210 1358
1359static void
1360api_trace (SV *coro_sv, int flags)
1361{
1362 dTHX;
1363 struct coro *coro = SvSTATE (coro_sv);
1364
1365 if (flags & CC_TRACE)
1366 {
1367 if (!coro->cctx)
1368 coro->cctx = cctx_new ();
1369 else if (!(coro->cctx->flags & CC_TRACE))
1370 croak ("cannot enable tracing on coroutine with custom stack");
1371
1372 coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL));
1373 }
1374 else if (coro->cctx && coro->cctx->flags & CC_TRACE)
1375 {
1376 coro->cctx->flags &= ~(CC_TRACE | CC_TRACE_ALL);
1377
1378 if (coro->flags & CF_RUNNING)
1379 PL_runops = RUNOPS_DEFAULT;
1380 else
1381 coro->runops = RUNOPS_DEFAULT;
1382 }
1383}
1384
1211MODULE = Coro::State PACKAGE = Coro::State 1385MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1212 1386
1213PROTOTYPES: DISABLE 1387PROTOTYPES: DISABLE
1214 1388
1215BOOT: 1389BOOT:
1216{ 1390{
… …
1218 MUTEX_INIT (&coro_mutex); 1392 MUTEX_INIT (&coro_mutex);
1219#endif 1393#endif
1220 BOOT_PAGESIZE; 1394 BOOT_PAGESIZE;
1221 1395
1222 coro_state_stash = gv_stashpv ("Coro::State", TRUE); 1396 coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1397
1398 newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1399 newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
1400 newCONSTSUB (coro_state_stash, "CC_TRACE_LINE", newSViv (CC_TRACE_LINE));
1401 newCONSTSUB (coro_state_stash, "CC_TRACE_ALL" , newSViv (CC_TRACE_ALL));
1223 1402
1224 newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV)); 1403 newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (CORO_SAVE_DEFAV));
1225 newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV)); 1404 newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (CORO_SAVE_DEFSV));
1226 newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV)); 1405 newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (CORO_SAVE_ERRSV));
1227 newCONSTSUB (coro_state_stash, "SAVE_IRSSV", newSViv (CORO_SAVE_IRSSV)); 1406 newCONSTSUB (coro_state_stash, "SAVE_IRSSV", newSViv (CORO_SAVE_IRSSV));
… …
1419 save_perl (aTHX_ coro); 1598 save_perl (aTHX_ coro);
1420 load_perl (aTHX_ &temp); 1599 load_perl (aTHX_ &temp);
1421 } 1600 }
1422 } 1601 }
1423} 1602}
1424 1603
1425SV * 1604SV *
1426is_ready (Coro::State coro) 1605is_ready (Coro::State coro)
1427 PROTOTYPE: $ 1606 PROTOTYPE: $
1428 ALIAS: 1607 ALIAS:
1429 is_ready = CF_READY 1608 is_ready = CF_READY
… …
1433 CODE: 1612 CODE:
1434 RETVAL = boolSV (coro->flags & ix); 1613 RETVAL = boolSV (coro->flags & ix);
1435 OUTPUT: 1614 OUTPUT:
1436 RETVAL 1615 RETVAL
1437 1616
1617void
1618api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB)
1619
1438SV * 1620SV *
1439has_stack (Coro::State coro) 1621has_stack (Coro::State coro)
1440 PROTOTYPE: $ 1622 PROTOTYPE: $
1441 CODE: 1623 CODE:
1442 RETVAL = boolSV (!!coro->cctx); 1624 RETVAL = boolSV (!!coro->cctx);
1443 OUTPUT: 1625 OUTPUT:
1444 RETVAL 1626 RETVAL
1445 1627
1628int
1629is_traced (Coro::State coro)
1630 PROTOTYPE: $
1631 CODE:
1632 RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL;
1633 OUTPUT:
1634 RETVAL
1635
1446IV 1636IV
1447rss (Coro::State coro) 1637rss (Coro::State coro)
1448 PROTOTYPE: $ 1638 PROTOTYPE: $
1639 ALIAS:
1640 usecount = 1
1449 CODE: 1641 CODE:
1450 RETVAL = coro_rss (coro); 1642 switch (ix)
1643 {
1644 case 0: RETVAL = coro_rss (aTHX_ coro); break;
1645 case 1: RETVAL = coro->usecount; break;
1646 }
1451 OUTPUT: 1647 OUTPUT:
1452 RETVAL 1648 RETVAL
1453 1649
1454 1650
1455MODULE = Coro::State PACKAGE = Coro 1651MODULE = Coro::State PACKAGE = Coro
… …
1578{ 1774{
1579 struct coro *coro = SvSTATE (coro_current); 1775 struct coro *coro = SvSTATE (coro_current);
1580 1776
1581 sv_setsv (cb, &PL_sv_undef); 1777 sv_setsv (cb, &PL_sv_undef);
1582 1778
1583 if (coro_rss (coro) > SvIV (sv_pool_rss) 1779 if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1584 || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) 1780 || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
1585 croak ("\3terminate\2\n"); 1781 croak ("\3terminate\2\n");
1586 1782
1587 av_clear (GvAV (PL_defgv)); 1783 av_clear (GvAV (PL_defgv));
1588 hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1, 1784 hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
1589 newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0); 1785 newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
1786
1590 coro->save = CORO_SAVE_DEF; 1787 coro->save = CORO_SAVE_DEF;
1591 coro->prio = 0; 1788 coro->prio = 0;
1789
1790 if (coro->cctx && (coro->cctx->flags & CC_TRACE))
1791 api_trace (coro_current, 0);
1792
1592 av_push (av_async_pool, newSVsv (coro_current)); 1793 av_push (av_async_pool, newSVsv (coro_current));
1593} 1794}
1594 1795
1595 1796
1596MODULE = Coro::State PACKAGE = Coro::AIO 1797MODULE = Coro::State PACKAGE = Coro::AIO

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