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Comparing Coro/Coro/State.xs (file contents):
Revision 1.27 by root, Mon Aug 20 16:58:19 2001 UTC vs.
Revision 1.40 by root, Tue Nov 27 01:41:41 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
85 I32 savestack_max; 87 I32 savestack_max;
86 OP **retstack; 88 OP **retstack;
87 I32 retstack_ix; 89 I32 retstack_ix;
88 I32 retstack_max; 90 I32 retstack_max;
89 COP *curcop; 91 COP *curcop;
92 PMOP *curpm;
90 JMPENV *top_env; 93 JMPENV *top_env;
91 94
92 /* data associated with this coroutine (initial args) */ 95 /* data associated with this coroutine (initial args) */
93 AV *args; 96 AV *args;
94}; 97};
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{
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);
595 dSP; 598 dSP;
596 Coro__State ctx = (Coro__State)arg; 599 Coro__State ctx = (Coro__State)arg;
597 SV *sub_init = (SV*)get_cv(SUB_INIT, FALSE); 600 SV *sub_init = (SV*)get_cv(SUB_INIT, FALSE);
598 601
599 coro_init_stacks (aTHX); 602 coro_init_stacks (aTHX);
603 PL_curpm = 0; /* segfault on first access */
600 /*PL_curcop = 0;*/ 604 /*PL_curcop = 0;*/
601 /*PL_in_eval = PL_in_eval;*/ /* inherit */ 605 /*PL_in_eval = PL_in_eval;*/ /* inherit */
602 SvREFCNT_dec (GvAV (PL_defgv)); 606 SvREFCNT_dec (GvAV (PL_defgv));
603 GvAV (PL_defgv) = ctx->args; 607 GvAV (PL_defgv) = ctx->args;
604 608
649{ 653{
650 /* 654 /*
651 * this is a _very_ stripped down perl interpreter ;) 655 * this is a _very_ stripped down perl interpreter ;)
652 */ 656 */
653 Coro__State ctx = (Coro__State)arg; 657 Coro__State ctx = (Coro__State)arg;
658 JMPENV coro_start_env;
654 659
655 /*FIXME*//* must set up top_env here */ 660 /* same as JMPENV_BOOTSTRAP */
661 Zero(&coro_start_env, 1, JMPENV);
662 coro_start_env.je_ret = -1;
663 coro_start_env.je_mustcatch = TRUE;
664 PL_top_env = &coro_start_env;
665
656 ctx->cursp = 0; 666 ctx->cursp = 0;
657 PL_op = PL_op->op_next; 667 PL_op = PL_op->op_next;
658 CALLRUNOPS(aTHX); 668 CALLRUNOPS(aTHX);
659 669
660 abort (); 670 abort ();
661} 671}
662 672
663STATIC void 673STATIC void
664transfer(pTHX_ struct coro *prev, struct coro *next, int flags) 674transfer(pTHX_ struct coro *prev, struct coro *next, int flags)
665{ 675{
666 dSP;
667 dSTACKLEVEL; 676 dSTACKLEVEL;
677 static struct coro *xnext;
668 678
669 if (prev != next) 679 if (prev != next)
670 { 680 {
681 xnext = next;
682
671 if (next->mainstack) 683 if (next->mainstack)
672 { 684 {
673 SAVE (prev, flags); 685 SAVE (prev, flags);
674 LOAD (next); 686 LOAD (next);
675 687
698 continue_coro, (void *)next, 710 continue_coro, (void *)next,
699 next->stack->sptr, labs (next->stack->ssize)); 711 next->stack->sptr, labs (next->stack->ssize));
700 } 712 }
701 713
702 coro_transfer (&(prev->stack->cctx), &(next->stack->cctx)); 714 coro_transfer (&(prev->stack->cctx), &(next->stack->cctx));
715 /* don't add any code here */
703 } 716 }
704 717
705 } 718 }
706 else if (next->tmps_ix == -2) 719 else if (next->tmps_ix == -2)
707 croak ("tried to transfer to running coroutine"); 720 croak ("tried to transfer to running coroutine");
728 allocate_stack (next, 1); 741 allocate_stack (next, 1);
729 coro_create (&(next->stack->cctx), 742 coro_create (&(next->stack->cctx),
730 setup_coro, (void *)next, 743 setup_coro, (void *)next,
731 next->stack->sptr, labs (next->stack->ssize)); 744 next->stack->sptr, labs (next->stack->ssize));
732 coro_transfer (&(prev->stack->cctx), &(next->stack->cctx)); 745 coro_transfer (&(prev->stack->cctx), &(next->stack->cctx));
746 /* don't add any code here */
733 } 747 }
734 } 748 }
735 else 749 else
736 setup_coro (next); 750 setup_coro (next);
737 } 751 }
738 }
739 752
753 /*
754 * xnext is now either prev or next, depending on wether
755 * we switched the c stack or not. that's why i use a global
756 * variable, that should become thread-specific at one point.
757 */
740 next->cursp = stacklevel; 758 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 { 759 }
760
761 if (coro_mortal)
762 {
763 SvREFCNT_dec (coro_mortal);
764 coro_mortal = 0;
765 }
766}
767
768#define SV_CORO(sv,func) \
769 do { \
770 if (SvROK (sv)) \
771 sv = SvRV (sv); \
772 \
773 if (SvTYPE(sv) == SVt_PVHV) \
774 { \
748 HE *he = hv_fetch_ent((HV *)SvRV(arg), ucoro_state_sv, 0, ucoro_state_hash); 775 HE *he = hv_fetch_ent((HV *)sv, ucoro_state_sv, 0, ucoro_state_hash); \
749 776 \
750 if (!he) 777 if (!he) \
751 croak ("%s() -- %s is a hashref but lacks the " UCORO_STATE " key", funcname, varname); 778 croak ("%s() -- %s is a hashref but lacks the " UCORO_STATE " key", func, # sv); \
752 779 \
753 arg = HeVAL(he); 780 (sv) = SvRV (HeVAL(he)); \
754 } 781 } \
755 782 \
756 /* must also be changed inside Coro::Cont::yield */ 783 /* must also be changed inside Coro::Cont::yield */ \
757 if (SvROK(arg) && SvSTASH(SvRV(arg)) == coro_state_stash) 784 if (!SvOBJECT(sv) || SvSTASH(sv) != coro_state_stash) \
758 return (struct coro *) SvIV((SV*)SvRV(arg));
759
760 croak ("%s() -- %s is not (and contains not) a Coro::State object", funcname, varname); 785 croak ("%s() -- %s is not (and contains not) a Coro::State object", func, # sv); \
761 /*NORETURN*/ 786 \
762} 787 } while(0)
788
789#define SvSTATE(sv) (struct coro *)SvIV (sv)
763 790
764static void 791static void
765api_transfer(pTHX_ SV *prev, SV *next, int flags) 792api_transfer(pTHX_ SV *prev, SV *next, int flags)
766{ 793{
767 transfer(aTHX_ 794 SV_CORO (prev, "Coro::transfer");
768 sv_to_coro (prev, "Coro::transfer", "prev"), 795 SV_CORO (next, "Coro::transfer");
769 sv_to_coro (next, "Coro::transfer", "next"), 796
770 flags); 797 transfer(aTHX_ SvSTATE(prev), SvSTATE(next), flags);
771} 798}
772 799
773/** Coro ********************************************************************/ 800/** Coro ********************************************************************/
774 801
775#define PRIO_MAX 3 802#define PRIO_MAX 3
785static int coro_nready; 812static int coro_nready;
786 813
787static void 814static void
788coro_enq (SV *sv) 815coro_enq (SV *sv)
789{ 816{
790 if (SvROK (sv))
791 {
792 SV *hv = SvRV (sv);
793 if (SvTYPE (hv) == SVt_PVHV) 817 if (SvTYPE (sv) == SVt_PVHV)
794 { 818 {
795 SV **xprio = hv_fetch ((HV *)hv, "prio", 4, 0); 819 SV **xprio = hv_fetch ((HV *)sv, "prio", 4, 0);
796 int prio = xprio ? SvIV (*xprio) : PRIO_NORMAL; 820 int prio = xprio ? SvIV (*xprio) : PRIO_NORMAL;
797 821
798 prio = prio > PRIO_MAX ? PRIO_MAX 822 prio = prio > PRIO_MAX ? PRIO_MAX
799 : prio < PRIO_MIN ? PRIO_MIN 823 : prio < PRIO_MIN ? PRIO_MIN
800 : prio; 824 : prio;
801 825
802 av_push (coro_ready [prio - PRIO_MIN], sv); 826 av_push (coro_ready [prio - PRIO_MIN], sv);
803 coro_nready++; 827 coro_nready++;
804 828
805 return; 829 return;
806 }
807 } 830 }
808 831
809 croak ("Coro::ready tried to enqueue something that is not a coroutine"); 832 croak ("Coro::ready tried to enqueue something that is not a coroutine");
810} 833}
811 834
829} 852}
830 853
831static void 854static void
832api_ready (SV *coro) 855api_ready (SV *coro)
833{ 856{
857 if (SvROK (coro))
858 coro = SvRV (coro);
859
834 coro_enq (SvREFCNT_inc (coro)); 860 coro_enq (SvREFCNT_inc (coro));
835} 861}
836 862
837static void 863static void
838api_schedule (int cede) 864api_schedule (void)
839{ 865{
840 SV *prev, *next; 866 SV *prev, *next;
841 867
842 prev = GvSV (coro_current); 868 prev = SvRV (GvSV (coro_current));
843
844 if (cede)
845 coro_enq (SvREFCNT_inc (prev));
846
847 next = coro_deq (PRIO_MIN); 869 next = coro_deq (PRIO_MIN);
848 870
849 if (!next) 871 if (!next)
850 next = SvREFCNT_inc (GvSV (coro_idle)); 872 next = SvREFCNT_inc (SvRV (GvSV (coro_idle)));
851 873
852 GvSV (coro_current) = SvREFCNT_inc (next); 874 /* free this only after the transfer */
853 transfer (aTHX_ 875 coro_mortal = prev;
854 sv_to_coro (prev, "Coro::schedule", "current coroutine"), 876 SV_CORO (prev, "Coro::schedule");
855 sv_to_coro (next, "Coro::schedule", "next coroutine"), 877
878 SvRV (GvSV (coro_current)) = next;
879
880 SV_CORO (next, "Coro::schedule");
881
882 transfer (aTHX_ SvSTATE (prev), SvSTATE (next),
856 TRANSFER_SAVE_ALL | TRANSFER_LAZY_STACK); 883 TRANSFER_SAVE_ALL | TRANSFER_LAZY_STACK);
857 SvREFCNT_dec (next); 884}
858 SvREFCNT_dec (prev); 885
886static void
887api_cede (void)
888{
889 coro_enq (SvREFCNT_inc (SvRV (GvSV (coro_current))));
890
891 api_schedule ();
859} 892}
860 893
861MODULE = Coro::State PACKAGE = Coro::State 894MODULE = Coro::State PACKAGE = Coro::State
862 895
863PROTOTYPES: ENABLE 896PROTOTYPES: ENABLE
869 coro_state_stash = gv_stashpv ("Coro::State", TRUE); 902 coro_state_stash = gv_stashpv ("Coro::State", TRUE);
870 903
871 newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (TRANSFER_SAVE_DEFAV)); 904 newCONSTSUB (coro_state_stash, "SAVE_DEFAV", newSViv (TRANSFER_SAVE_DEFAV));
872 newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (TRANSFER_SAVE_DEFSV)); 905 newCONSTSUB (coro_state_stash, "SAVE_DEFSV", newSViv (TRANSFER_SAVE_DEFSV));
873 newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (TRANSFER_SAVE_ERRSV)); 906 newCONSTSUB (coro_state_stash, "SAVE_ERRSV", newSViv (TRANSFER_SAVE_ERRSV));
907 newCONSTSUB (coro_state_stash, "SAVE_CURPM", newSViv (TRANSFER_SAVE_CURPM));
874 newCONSTSUB (coro_state_stash, "SAVE_CCTXT", newSViv (TRANSFER_SAVE_CCTXT)); 908 newCONSTSUB (coro_state_stash, "SAVE_CCTXT", newSViv (TRANSFER_SAVE_CCTXT));
875 909
876 if (!padlist_cache) 910 if (!padlist_cache)
877 padlist_cache = newHV (); 911 padlist_cache = newHV ();
878 912
902 OUTPUT: 936 OUTPUT:
903 RETVAL 937 RETVAL
904 938
905void 939void
906transfer(prev, next, flags) 940transfer(prev, next, flags)
907 Coro::State_or_hashref prev 941 SV *prev
908 Coro::State_or_hashref next 942 SV *next
909 int flags 943 int flags
910 PROTOTYPE: @ 944 PROTOTYPE: @
911 CODE: 945 CODE:
912 PUTBACK; 946 PUTBACK;
947 SV_CORO (next, "Coro::transfer");
948 SV_CORO (prev, "Coro::transfer");
913 transfer (aTHX_ prev, next, flags); 949 transfer (aTHX_ SvSTATE (prev), SvSTATE (next), flags);
914 SPAGAIN; 950 SPAGAIN;
915 951
916void 952void
917DESTROY(coro) 953DESTROY(coro)
918 Coro::State coro 954 Coro::State coro
920 956
921 if (coro->mainstack && coro->mainstack != main_mainstack) 957 if (coro->mainstack && coro->mainstack != main_mainstack)
922 { 958 {
923 struct coro temp; 959 struct coro temp;
924 960
961 PUTBACK;
925 SAVE(aTHX_ (&temp), TRANSFER_SAVE_ALL); 962 SAVE(aTHX_ (&temp), TRANSFER_SAVE_ALL);
926 LOAD(aTHX_ coro); 963 LOAD(aTHX_ coro);
964 SPAGAIN;
927 965
928 destroy_stacks (aTHX); 966 destroy_stacks (aTHX);
929 967
930 LOAD((&temp)); /* this will get rid of defsv etc.. */ 968 LOAD((&temp)); /* this will get rid of defsv etc.. */
969 SPAGAIN;
931 970
932 coro->mainstack = 0; 971 coro->mainstack = 0;
933 } 972 }
934 973
935 deallocate_stack (coro); 974 deallocate_stack (coro);
1010 1049
1011 { 1050 {
1012 SV *sv = perl_get_sv("Coro::API", 1); 1051 SV *sv = perl_get_sv("Coro::API", 1);
1013 1052
1014 coroapi.schedule = api_schedule; 1053 coroapi.schedule = api_schedule;
1054 coroapi.cede = api_cede;
1015 coroapi.ready = api_ready; 1055 coroapi.ready = api_ready;
1016 coroapi.nready = &coro_nready; 1056 coroapi.nready = &coro_nready;
1017 coroapi.current = coro_current; 1057 coroapi.current = coro_current;
1018 1058
1019 GCoroAPI = &coroapi; 1059 GCoroAPI = &coroapi;
1023} 1063}
1024 1064
1025void 1065void
1026ready(self) 1066ready(self)
1027 SV * self 1067 SV * self
1068 PROTOTYPE: $
1028 CODE: 1069 CODE:
1029 api_ready (self); 1070 api_ready (self);
1030 1071
1031int 1072int
1032nready(...) 1073nready(...)
1037 RETVAL 1078 RETVAL
1038 1079
1039void 1080void
1040schedule(...) 1081schedule(...)
1041 PROTOTYPE: 1082 PROTOTYPE:
1042 ALIAS:
1043 cede = 1
1044 CODE: 1083 CODE:
1045 api_schedule (ix); 1084 api_schedule ();
1046 1085
1086void
1087cede(...)
1088 PROTOTYPE:
1089 CODE:
1090 api_cede ();
1091

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