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Comparing Coro/Coro/State.xs (file contents):
Revision 1.32 by root, Sun Aug 26 17:01:54 2001 UTC vs.
Revision 1.38 by root, Wed Nov 7 00:21:06 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
… …
26/* The next macro should declare 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 30
31#define IN_DESTRUCT (PL_main_cv == Nullcv)
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
35static struct CoroAPI coroapi; 37static struct CoroAPI coroapi;
… …
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
… …
487 * still there is a memleak of 128 bytes... 490 * still there is a memleak of 128 bytes...
488 */ 491 */
489STATIC void 492STATIC void
490destroy_stacks(pTHX) 493destroy_stacks(pTHX)
491{ 494{
492 int destruct = PL_main_cv != Nullcv; 495 if (!IN_DESTRUCT)
493
494 if (destruct)
495 { 496 {
496 /* is this ugly, I ask? */ 497 /* is this ugly, I ask? */
497 while (PL_scopestack_ix) 498 while (PL_scopestack_ix)
498 LEAVE; 499 LEAVE;
499 500
… …
513 dSP; 514 dSP;
514 SWITCHSTACK (PL_curstack, PL_curstackinfo->si_stack); 515 SWITCHSTACK (PL_curstack, PL_curstackinfo->si_stack);
515 PUTBACK; /* possibly superfluous */ 516 PUTBACK; /* possibly superfluous */
516 } 517 }
517 518
518 if (destruct) 519 if (!IN_DESTRUCT)
519 { 520 {
520 dounwind(-1); 521 dounwind(-1);
521 SvREFCNT_dec(PL_curstackinfo->si_stack); 522 SvREFCNT_dec(PL_curstackinfo->si_stack);
522 } 523 }
523 524
… …
543 stack->refcnt = 1; 544 stack->refcnt = 1;
544 stack->usecnt = 1; 545 stack->usecnt = 1;
545 stack->gencnt = ctx->gencnt = 0; 546 stack->gencnt = ctx->gencnt = 0;
546 if (alloc) 547 if (alloc)
547 { 548 {
548#ifdef HAVE_MMAP 549#if HAVE_MMAP
549 stack->ssize = 128 * 1024 * sizeof (long); /* mmap should do allocate-on-write for us */ 550 stack->ssize = 128 * 1024 * sizeof (long); /* mmap should do allocate-on-write for us */
550 stack->sptr = mmap (0, stack->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANON, 0, 0); 551 stack->sptr = mmap (0, stack->ssize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0);
551 if (stack->sptr == (void *)-1) 552 if (stack->sptr == (void *)-1)
552#endif 553#endif
553 { 554 {
554 /*FIXME*//*D*//* reasonable stack size! */ 555 /*FIXME*//*D*//* reasonable stack size! */
555 stack->ssize = -4096 * sizeof (long); 556 stack->ssize = -4096 * sizeof (long);
… …
744 } 745 }
745 } 746 }
746 else 747 else
747 setup_coro (next); 748 setup_coro (next);
748 } 749 }
749 }
750 750
751 /* 751 /*
752 * xnext is now either prev or next, depending on wether 752 * xnext is now either prev or next, depending on wether
753 * we switched the c stack or not. that's why i use a global 753 * we switched the c stack or not. that's why i use a global
754 * variable, that should become thread-specific at one point. 754 * variable, that should become thread-specific at one point.
755 */ 755 */
756 xnext->cursp = stacklevel; 756 xnext->cursp = stacklevel;
757 }
757} 758}
758 759
759static struct coro * 760static struct coro *
760sv_to_coro (SV *arg, const char *funcname, const char *varname) 761sv_to_coro (SV *arg, const char *funcname, const char *varname)
761{ 762{
… …
768 769
769 arg = HeVAL(he); 770 arg = HeVAL(he);
770 } 771 }
771 772
772 /* must also be changed inside Coro::Cont::yield */ 773 /* must also be changed inside Coro::Cont::yield */
774 if (SvROK(arg) && SvOBJECT(SvRV(arg))
773 if (SvROK(arg) && SvSTASH(SvRV(arg)) == coro_state_stash) 775 && SvSTASH(SvRV(arg)) == coro_state_stash)
774 return (struct coro *) SvIV((SV*)SvRV(arg)); 776 return (struct coro *) SvIV((SV*)SvRV(arg));
775 777
776 croak ("%s() -- %s is not (and contains not) a Coro::State object", funcname, varname); 778 croak ("%s() -- %s is not (and contains not) a Coro::State object", funcname, varname);
777 /*NORETURN*/ 779 /*NORETURN*/
778} 780}
… …
1042} 1044}
1043 1045
1044void 1046void
1045ready(self) 1047ready(self)
1046 SV * self 1048 SV * self
1049 PROTOTYPE: $
1047 CODE: 1050 CODE:
1048 api_ready (self); 1051 api_ready (self);
1049 1052
1050int 1053int
1051nready(...) 1054nready(...)

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