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Comparing Coro/Coro/State.xs (file contents):
Revision 1.24 by root, Tue Aug 14 14:56:22 2001 UTC vs.
Revision 1.39 by root, Sun Nov 25 20:04:05 2001 UTC

… …
7#include <signal.h> 7#include <signal.h>
8 8
9#ifdef HAVE_MMAP 9#ifdef HAVE_MMAP
10# include <unistd.h> 10# include <unistd.h>
11# include <sys/mman.h> 11# include <sys/mman.h>
12# ifndef MAP_ANON
13# ifdef MAP_ANONYMOUS 12# ifndef MAP_ANONYMOUS
14# define MAP_ANON MAP_ANONYMOUS 13# ifdef MAP_ANON
14# define MAP_ANONYMOUS MAP_ANON
15# else 15# else
16# undef HAVE_MMAP 16# undef HAVE_MMAP
17# endif 17# endif
18# endif 18# endif
19#endif 19#endif
20 20
21#define MAY_FLUSH /* increases codesize */ 21#define MAY_FLUSH /* increases codesize and is rarely used */
22 22
23#define SUB_INIT "Coro::State::initialize" 23#define SUB_INIT "Coro::State::initialize"
24#define UCORO_STATE "_coro_state" 24#define UCORO_STATE "_coro_state"
25 25
26/* The next macro should delcare a variable stacklevel that contains and approximation 26/* The next macro should declare a variable stacklevel that contains and approximation
27 * to the current C stack pointer. Its property is that it changes with each call 27 * to the current C stack pointer. Its property is that it changes with each call
28 * and should be unique. */ 28 * and should be unique. */
29#define dSTACKLEVEL void *stacklevel = &stacklevel 29#define dSTACKLEVEL void *stacklevel = &stacklevel
30
31#define IN_DESTRUCT (PL_main_cv == Nullcv)
30 32
31#define labs(l) ((l) >= 0 ? (l) : -(l)) 33#define labs(l) ((l) >= 0 ? (l) : -(l))
32 34
33#include "CoroAPI.h" 35#include "CoroAPI.h"
34 36
… …
54 56
55 /* optionally saved, might be zero */ 57 /* optionally saved, might be zero */
56 AV *defav; 58 AV *defav;
57 SV *defsv; 59 SV *defsv;
58 SV *errsv; 60 SV *errsv;
61 /* TODO: PL_pmop might be nice && effortless to save. */
59 62
60 /* saved global state not related to stacks */ 63 /* saved global state not related to stacks */
61 U8 dowarn; 64 U8 dowarn;
62 I32 in_eval; 65 I32 in_eval;
63 66
… …
99static AV *main_mainstack; /* used to differentiate between $main and others */ 102static AV *main_mainstack; /* used to differentiate between $main and others */
100static HV *coro_state_stash; 103static HV *coro_state_stash;
101static SV *ucoro_state_sv; 104static SV *ucoro_state_sv;
102static U32 ucoro_state_hash; 105static U32 ucoro_state_hash;
103static HV *padlist_cache; 106static HV *padlist_cache;
107static SV *coro_mortal; /* will be freed after next transfer */
104 108
105/* mostly copied from op.c:cv_clone2 */ 109/* mostly copied from op.c:cv_clone2 */
106STATIC AV * 110STATIC AV *
107clone_padlist (AV *protopadlist) 111clone_padlist (AV *protopadlist)
108{ 112{
… …
195 199
196 return newpadlist; 200 return newpadlist;
197} 201}
198 202
199#ifdef MAY_FLUSH 203#ifdef MAY_FLUSH
200STATIC AV * 204STATIC void
201free_padlist (AV *padlist) 205free_padlist (AV *padlist)
202{ 206{
203 /* may be during global destruction */ 207 /* may be during global destruction */
204 if (SvREFCNT(padlist)) 208 if (SvREFCNT(padlist))
205 { 209 {
… …
270#endif 274#endif
271 275
272#define SB do { 276#define SB do {
273#define SE } while (0) 277#define SE } while (0)
274 278
275#define LOAD(state) SB load_state(aTHX_ (state)); SPAGAIN; SE 279#define LOAD(state) load_state(aTHX_ (state));
276#define SAVE(state,flags) SB PUTBACK; save_state(aTHX_ (state),(flags)); SE 280#define SAVE(state,flags) save_state(aTHX_ (state),(flags));
277 281
278#define REPLACE_SV(sv,val) SB SvREFCNT_dec(sv); (sv) = (val); SE 282#define REPLACE_SV(sv,val) SB SvREFCNT_dec(sv); (sv) = (val); SE
279 283
280static void 284static void
281load_state(pTHX_ Coro__State c) 285load_state(pTHX_ Coro__State c)
… …
355 359
356 PUSHs (Nullsv); 360 PUSHs (Nullsv);
357 /* this loop was inspired by pp_caller */ 361 /* this loop was inspired by pp_caller */
358 for (;;) 362 for (;;)
359 { 363 {
360 do 364 while (cxix >= 0)
361 { 365 {
362 PERL_CONTEXT *cx = &ccstk[cxix--]; 366 PERL_CONTEXT *cx = &ccstk[cxix--];
363 367
364 if (CxTYPE(cx) == CXt_SUB) 368 if (CxTYPE(cx) == CXt_SUB)
365 { 369 {
… …
391 /* I never used formats, so how should I know how these are implemented? */ 395 /* I never used formats, so how should I know how these are implemented? */
392 /* my bold guess is as a simple, plain sub... */ 396 /* my bold guess is as a simple, plain sub... */
393 croak ("CXt_FORMAT not yet handled. Don't switch coroutines from within formats"); 397 croak ("CXt_FORMAT not yet handled. Don't switch coroutines from within formats");
394 } 398 }
395 } 399 }
396 while (cxix >= 0);
397 400
398 if (top_si->si_type == PERLSI_MAIN) 401 if (top_si->si_type == PERLSI_MAIN)
399 break; 402 break;
400 403
401 top_si = top_si->si_prev; 404 top_si = top_si->si_prev;
… …
407 } 410 }
408 411
409 c->defav = flags & TRANSFER_SAVE_DEFAV ? (AV *)SvREFCNT_inc (GvAV (PL_defgv)) : 0; 412 c->defav = flags & TRANSFER_SAVE_DEFAV ? (AV *)SvREFCNT_inc (GvAV (PL_defgv)) : 0;
410 c->defsv = flags & TRANSFER_SAVE_DEFSV ? SvREFCNT_inc (DEFSV) : 0; 413 c->defsv = flags & TRANSFER_SAVE_DEFSV ? SvREFCNT_inc (DEFSV) : 0;
411 c->errsv = flags & TRANSFER_SAVE_ERRSV ? SvREFCNT_inc (ERRSV) : 0; 414 c->errsv = flags & TRANSFER_SAVE_ERRSV ? SvREFCNT_inc (ERRSV) : 0;
412
413 /* I have not the slightest idea of why av_reify is necessary */
414 /* but if it's missing the defav contents magically get replaced sometimes */
415 if (c->defav)
416 av_reify (c->defav);
417 415
418 c->dowarn = PL_dowarn; 416 c->dowarn = PL_dowarn;
419 c->in_eval = PL_in_eval; 417 c->in_eval = PL_in_eval;
420 418
421 c->curstackinfo = PL_curstackinfo; 419 c->curstackinfo = PL_curstackinfo;
… …
493 * still there is a memleak of 128 bytes... 491 * still there is a memleak of 128 bytes...
494 */ 492 */
495STATIC void 493STATIC void
496destroy_stacks(pTHX) 494destroy_stacks(pTHX)
497{ 495{
496 if (!IN_DESTRUCT)
497 {
498 /* is this ugly, I ask? */ 498 /* is this ugly, I ask? */
499 while (PL_scopestack_ix) 499 while (PL_scopestack_ix)
500 LEAVE; 500 LEAVE;
501 501
502 /* sure it is, but more important: is it correct?? :/ */ 502 /* sure it is, but more important: is it correct?? :/ */
503 while (PL_tmps_ix > PL_tmps_floor) /* should only ever be one iteration */ 503 while (PL_tmps_ix > PL_tmps_floor) /* should only ever be one iteration */
504 FREETMPS; 504 FREETMPS;
505 }
505 506
506 while (PL_curstackinfo->si_next) 507 while (PL_curstackinfo->si_next)
507 PL_curstackinfo = PL_curstackinfo->si_next; 508 PL_curstackinfo = PL_curstackinfo->si_next;
508 509
509 while (PL_curstackinfo) 510 while (PL_curstackinfo)
… …
514 dSP; 515 dSP;
515 SWITCHSTACK (PL_curstack, PL_curstackinfo->si_stack); 516 SWITCHSTACK (PL_curstack, PL_curstackinfo->si_stack);
516 PUTBACK; /* possibly superfluous */ 517 PUTBACK; /* possibly superfluous */
517 } 518 }
518 519
519 if (PL_main_cv != Nullcv) /* don't during destruction. hack? */ 520 if (!IN_DESTRUCT)
521 {
520 dounwind(-1); 522 dounwind(-1);
521
522 SvREFCNT_dec(PL_curstackinfo->si_stack); 523 SvREFCNT_dec(PL_curstackinfo->si_stack);
524 }
525
523 Safefree(PL_curstackinfo->si_cxstack); 526 Safefree(PL_curstackinfo->si_cxstack);
524 Safefree(PL_curstackinfo); 527 Safefree(PL_curstackinfo);
525 PL_curstackinfo = p; 528 PL_curstackinfo = p;
526 } 529 }
527 530
… …
542 stack->refcnt = 1; 545 stack->refcnt = 1;
543 stack->usecnt = 1; 546 stack->usecnt = 1;
544 stack->gencnt = ctx->gencnt = 0; 547 stack->gencnt = ctx->gencnt = 0;
545 if (alloc) 548 if (alloc)
546 { 549 {
547#ifdef HAVE_MMAP 550#if HAVE_MMAP
548 stack->ssize = 128 * 1024 * sizeof (long); /* mmap should do allocate-on-write for us */ 551 stack->ssize = 128 * 1024 * sizeof (long); /* mmap should do allocate-on-write for us */
549 stack->sptr = mmap (0, stack->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANON, 0, 0); 552 stack->sptr = mmap (0, stack->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0);
550 if (stack->sptr == (void *)-1) 553 if (stack->sptr == (void *)-1)
551#endif 554#endif
552 { 555 {
553 /*FIXME*//*D*//* reasonable stack size! */ 556 /*FIXME*//*D*//* reasonable stack size! */
554 stack->ssize = -4096 * sizeof (long); 557 stack->ssize = -4096 * sizeof (long);
… …
649{ 652{
650 /* 653 /*
651 * this is a _very_ stripped down perl interpreter ;) 654 * this is a _very_ stripped down perl interpreter ;)
652 */ 655 */
653 Coro__State ctx = (Coro__State)arg; 656 Coro__State ctx = (Coro__State)arg;
657 JMPENV coro_start_env;
654 658
655 /*FIXME*//* must set up top_env here */ 659 /* same as JMPENV_BOOTSTRAP */
660 Zero(&coro_start_env, 1, JMPENV);
661 coro_start_env.je_ret = -1;
662 coro_start_env.je_mustcatch = TRUE;
663 PL_top_env = &coro_start_env;
664
656 ctx->cursp = 0; 665 ctx->cursp = 0;
657 PL_op = PL_op->op_next; 666 PL_op = PL_op->op_next;
658 CALLRUNOPS(aTHX); 667 CALLRUNOPS(aTHX);
659 668
660 abort (); 669 abort ();
661} 670}
662 671
663STATIC void 672STATIC void
664transfer(pTHX_ struct coro *prev, struct coro *next, int flags) 673transfer(pTHX_ struct coro *prev, struct coro *next, int flags)
665{ 674{
666 dSP;
667 dSTACKLEVEL; 675 dSTACKLEVEL;
676 static struct coro *xnext;
668 677
669 if (prev != next) 678 if (prev != next)
670 { 679 {
680 xnext = next;
681
671 if (next->mainstack) 682 if (next->mainstack)
672 { 683 {
673 SAVE (prev, flags); 684 SAVE (prev, flags);
674 LOAD (next); 685 LOAD (next);
675 686
… …
698 continue_coro, (void *)next, 709 continue_coro, (void *)next,
699 next->stack->sptr, labs (next->stack->ssize)); 710 next->stack->sptr, labs (next->stack->ssize));
700 } 711 }
701 712
702 coro_transfer (&(prev->stack->cctx), &(next->stack->cctx)); 713 coro_transfer (&(prev->stack->cctx), &(next->stack->cctx));
714 /* don't add any code here */
703 } 715 }
704 716
705 } 717 }
706 else if (next->tmps_ix == -2) 718 else if (next->tmps_ix == -2)
707 croak ("tried to transfer to running coroutine"); 719 croak ("tried to transfer to running coroutine");
… …
728 allocate_stack (next, 1); 740 allocate_stack (next, 1);
729 coro_create (&(next->stack->cctx), 741 coro_create (&(next->stack->cctx),
730 setup_coro, (void *)next, 742 setup_coro, (void *)next,
731 next->stack->sptr, labs (next->stack->ssize)); 743 next->stack->sptr, labs (next->stack->ssize));
732 coro_transfer (&(prev->stack->cctx), &(next->stack->cctx)); 744 coro_transfer (&(prev->stack->cctx), &(next->stack->cctx));
745 /* don't add any code here */
733 } 746 }
734 } 747 }
735 else 748 else
736 setup_coro (next); 749 setup_coro (next);
737 } 750 }
738 }
739 751
752 /*
753 * xnext is now either prev or next, depending on wether
754 * we switched the c stack or not. that's why i use a global
755 * variable, that should become thread-specific at one point.
756 */
740 next->cursp = stacklevel; 757 xnext->cursp = stacklevel;
741}
742
743static struct coro *
744sv_to_coro (SV *arg, const char *funcname, const char *varname)
745{
746 if (SvROK(arg) && SvTYPE(SvRV(arg)) == SVt_PVHV)
747 { 758 }
759
760 if (coro_mortal)
761 {
762 SvREFCNT_dec (coro_mortal);
763 coro_mortal = 0;
764 }
765}
766
767#define SV_CORO(sv,func) \
768 do { \
769 if (SvROK (sv)) \
770 sv = SvRV (sv); \
771 \
772 if (SvTYPE(sv) == SVt_PVHV) \
773 { \
748 HE *he = hv_fetch_ent((HV *)SvRV(arg), ucoro_state_sv, 0, ucoro_state_hash); 774 HE *he = hv_fetch_ent((HV *)sv, ucoro_state_sv, 0, ucoro_state_hash); \
749 775 \
750 if (!he) 776 if (!he) \
751 croak ("%s() -- %s is a hashref but lacks the " UCORO_STATE " key", funcname, varname); 777 croak ("%s() -- %s is a hashref but lacks the " UCORO_STATE " key", func, # sv); \
752 778 \
753 arg = HeVAL(he); 779 (sv) = SvRV (HeVAL(he)); \
754 } 780 } \
755 781 \
756 /* must also be changed inside Coro::Cont::yield */ 782 /* must also be changed inside Coro::Cont::yield */ \
757 if (SvROK(arg) && SvSTASH(SvRV(arg)) == coro_state_stash) 783 if (!SvOBJECT(sv) || SvSTASH(sv) != coro_state_stash) \
758 return (struct coro *) SvIV((SV*)SvRV(arg));
759 else
760 croak ("%s() -- %s is not (and contains not) a Coro::State object", funcname, varname); 784 croak ("%s() -- %s is not (and contains not) a Coro::State object", func, # sv); \
761} 785 \
786 } while(0)
787
788#define SvSTATE(sv) (struct coro *)SvIV (sv)
762 789
763static void 790static void
764api_transfer(pTHX_ SV *prev, SV *next, int flags) 791api_transfer(pTHX_ SV *prev, SV *next, int flags)
765{ 792{
766 transfer(aTHX_ sv_to_coro (prev, "Coro::transfer", "prev"), 793 SV_CORO (prev, "Coro::transfer");
767 sv_to_coro (next, "Coro::transfer", "next"), 794 SV_CORO (next, "Coro::transfer");
768 flags); 795
796 transfer(aTHX_ SvSTATE(prev), SvSTATE(next), flags);
769} 797}
770 798
771/** Coro ********************************************************************/ 799/** Coro ********************************************************************/
772 800
773#define PRIO_MAX 3 801#define PRIO_MAX 3
… …
778#define PRIO_MIN -4 806#define PRIO_MIN -4
779 807
780/* for Coro.pm */ 808/* for Coro.pm */
781static GV *coro_current, *coro_idle; 809static GV *coro_current, *coro_idle;
782static AV *coro_ready[PRIO_MAX-PRIO_MIN+1]; 810static AV *coro_ready[PRIO_MAX-PRIO_MIN+1];
811static int coro_nready;
783 812
784static void 813static void
785coro_enq (SV *sv) 814coro_enq (SV *sv)
786{ 815{
787 if (SvROK (sv))
788 {
789 SV *hv = SvRV (sv);
790 if (SvTYPE (hv) == SVt_PVHV) 816 if (SvTYPE (sv) == SVt_PVHV)
791 { 817 {
792 SV **xprio = hv_fetch ((HV *)hv, "prio", 4, 0); 818 SV **xprio = hv_fetch ((HV *)sv, "prio", 4, 0);
793 int prio = xprio ? SvIV (*xprio) : PRIO_NORMAL; 819 int prio = xprio ? SvIV (*xprio) : PRIO_NORMAL;
794 820
795 prio = prio > PRIO_MAX ? PRIO_MAX 821 prio = prio > PRIO_MAX ? PRIO_MAX
796 : prio < PRIO_MIN ? PRIO_MIN 822 : prio < PRIO_MIN ? PRIO_MIN
797 : prio; 823 : prio;
798 824
799 av_push (coro_ready [prio - PRIO_MIN], sv); 825 av_push (coro_ready [prio - PRIO_MIN], sv);
826 coro_nready++;
800 827
801 return; 828 return;
802 }
803 } 829 }
804 830
805 croak ("Coro::ready tried to enqueue something that is not a coroutine"); 831 croak ("Coro::ready tried to enqueue something that is not a coroutine");
806} 832}
807 833
… …
814 if (min_prio < 0) 840 if (min_prio < 0)
815 min_prio = 0; 841 min_prio = 0;
816 842
817 for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= min_prio; ) 843 for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= min_prio; )
818 if (av_len (coro_ready[prio]) >= 0) 844 if (av_len (coro_ready[prio]) >= 0)
845 {
846 coro_nready--;
819 return av_shift (coro_ready[prio]); 847 return av_shift (coro_ready[prio]);
848 }
820 849
821 return 0; 850 return 0;
822} 851}
823 852
824static void 853static void
825api_ready (SV *coro) 854api_ready (SV *coro)
826{ 855{
856 if (SvROK (coro))
857 coro = SvRV (coro);
858
827 coro_enq (SvREFCNT_inc (coro)); 859 coro_enq (SvREFCNT_inc (coro));
828} 860}
829 861
830static void 862static void
831api_schedule (int cede) 863api_schedule (void)
832{ 864{
833 SV *prev, *next; 865 SV *prev, *next;
834 866
835 prev = GvSV (coro_current); 867 prev = SvRV (GvSV (coro_current));
836
837 if (cede)
838 coro_enq (SvREFCNT_inc (prev));
839
840 next = coro_deq (PRIO_MIN); 868 next = coro_deq (PRIO_MIN);
841 869
842 if (!next) 870 if (!next)
843 next = SvREFCNT_inc (GvSV (coro_idle)); 871 next = SvREFCNT_inc (SvRV (GvSV (coro_idle)));
844 872
845 GvSV (coro_current) = SvREFCNT_inc (next); 873 coro_mortal = prev;
846 transfer (sv_to_coro (prev, "Coro::schedule", "current coroutine"), 874 SV_CORO (prev, "Coro::schedule");
847 sv_to_coro (next, "Coro::schedule", "next coroutine"), 875
876 SvRV (GvSV (coro_current)) = next;
877
878 SV_CORO (next, "Coro::schedule");
879
880 transfer (aTHX_ SvSTATE (prev), SvSTATE (next),
848 TRANSFER_SAVE_ALL | TRANSFER_LAZY_STACK); 881 TRANSFER_SAVE_ALL | TRANSFER_LAZY_STACK);
849 SvREFCNT_dec (next); 882}
850 SvREFCNT_dec (prev); 883
884static void
885api_cede (void)
886{
887 coro_enq (SvREFCNT_inc (SvRV (GvSV (coro_current))));
888
889 api_schedule ();
851} 890}
852 891
853MODULE = Coro::State PACKAGE = Coro::State 892MODULE = Coro::State PACKAGE = Coro::State
854 893
855PROTOTYPES: ENABLE 894PROTOTYPES: ENABLE
… …
868 if (!padlist_cache) 907 if (!padlist_cache)
869 padlist_cache = newHV (); 908 padlist_cache = newHV ();
870 909
871 main_mainstack = PL_mainstack; 910 main_mainstack = PL_mainstack;
872 911
873 {
874 SV *sv = perl_get_sv("Coro::API", 1);
875
876 coroapi.ver = CORO_API_VERSION - 1; 912 coroapi.ver = CORO_API_VERSION;
877 coroapi.transfer = api_transfer; 913 coroapi.transfer = api_transfer;
878 coroapi.schedule = api_schedule;
879 coroapi.ready = api_ready;
880
881 GCoroAPI = &coroapi;
882 sv_setiv(sv, (IV)&coroapi);
883 SvREADONLY_on(sv);
884 }
885} 914}
886 915
887Coro::State 916Coro::State
888_newprocess(args) 917_newprocess(args)
889 SV * args 918 SV * args
… …
904 OUTPUT: 933 OUTPUT:
905 RETVAL 934 RETVAL
906 935
907void 936void
908transfer(prev, next, flags) 937transfer(prev, next, flags)
909 Coro::State_or_hashref prev 938 SV *prev
910 Coro::State_or_hashref next 939 SV *next
911 int flags 940 int flags
912 PROTOTYPE: @ 941 PROTOTYPE: @
913 CODE: 942 CODE:
914 PUTBACK; 943 PUTBACK;
944 SV_CORO (next, "Coro::transfer");
945 SV_CORO (prev, "Coro::transfer");
915 transfer (aTHX_ prev, next, flags); 946 transfer (aTHX_ SvSTATE (prev), SvSTATE (next), flags);
916 SPAGAIN; 947 SPAGAIN;
917 948
918void 949void
919DESTROY(coro) 950DESTROY(coro)
920 Coro::State coro 951 Coro::State coro
… …
922 953
923 if (coro->mainstack && coro->mainstack != main_mainstack) 954 if (coro->mainstack && coro->mainstack != main_mainstack)
924 { 955 {
925 struct coro temp; 956 struct coro temp;
926 957
958 PUTBACK;
927 SAVE(aTHX_ (&temp), TRANSFER_SAVE_ALL); 959 SAVE(aTHX_ (&temp), TRANSFER_SAVE_ALL);
928 LOAD(aTHX_ coro); 960 LOAD(aTHX_ coro);
961 SPAGAIN;
929 962
930 destroy_stacks (aTHX); 963 destroy_stacks (aTHX);
931 964
932 LOAD((&temp)); /* this will get rid of defsv etc.. */ 965 LOAD((&temp)); /* this will get rid of defsv etc.. */
966 SPAGAIN;
933 967
934 coro->mainstack = 0; 968 coro->mainstack = 0;
935 } 969 }
936 970
937 deallocate_stack (coro); 971 deallocate_stack (coro);
… …
1007 coro_current = gv_fetchpv ("Coro::current", TRUE, SVt_PV); 1041 coro_current = gv_fetchpv ("Coro::current", TRUE, SVt_PV);
1008 coro_idle = gv_fetchpv ("Coro::idle" , TRUE, SVt_PV); 1042 coro_idle = gv_fetchpv ("Coro::idle" , TRUE, SVt_PV);
1009 1043
1010 for (i = PRIO_MAX - PRIO_MIN + 1; i--; ) 1044 for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
1011 coro_ready[i] = newAV (); 1045 coro_ready[i] = newAV ();
1046
1047 {
1048 SV *sv = perl_get_sv("Coro::API", 1);
1049
1050 coroapi.schedule = api_schedule;
1051 coroapi.cede = api_cede;
1052 coroapi.ready = api_ready;
1053 coroapi.nready = &coro_nready;
1054 coroapi.current = coro_current;
1055
1056 GCoroAPI = &coroapi;
1057 sv_setiv(sv, (IV)&coroapi);
1058 SvREADONLY_on(sv);
1059 }
1012} 1060}
1013 1061
1014void 1062void
1015ready(self) 1063ready(self)
1016 SV * self 1064 SV * self
1065 PROTOTYPE: $
1017 CODE: 1066 CODE:
1018 api_ready (self); 1067 api_ready (self);
1019 1068
1069int
1070nready(...)
1071 PROTOTYPE:
1072 CODE:
1073 RETVAL = coro_nready;
1074 OUTPUT:
1075 RETVAL
1076
1020void 1077void
1021schedule(...) 1078schedule(...)
1022 ALIAS: 1079 PROTOTYPE:
1023 cede = 1
1024 CODE: 1080 CODE:
1025 api_schedule (ix); 1081 api_schedule ();
1026 1082
1083void
1084cede(...)
1085 PROTOTYPE:
1086 CODE:
1087 api_cede ();
1088

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> Changed lines