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Comparing Coro/Coro/State.xs (file contents):
Revision 1.413 by root, Fri Jun 17 18:55:08 2011 UTC vs.
Revision 1.434 by root, Sat Nov 2 19:48:50 2013 UTC

1/* this works around a bug in mingw32 providing a non-working setjmp */ 1/* this works around a bug in mingw32 providing a non-working setjmp */
2#define USE_NO_MINGW_SETJMP_TWO_ARGS 2#define USE_NO_MINGW_SETJMP_TWO_ARGS
3 3
4#define NDEBUG 1 4#define NDEBUG 1 /* perl usually disables NDEBUG later */
5 5
6#include "libcoro/coro.c" 6#include "libcoro/coro.c"
7 7
8#define PERL_NO_GET_CONTEXT 8#define PERL_NO_GET_CONTEXT
9#define PERL_EXT 9#define PERL_EXT
12#include "perl.h" 12#include "perl.h"
13#include "XSUB.h" 13#include "XSUB.h"
14#include "perliol.h" 14#include "perliol.h"
15 15
16#include "schmorp.h" 16#include "schmorp.h"
17
18#define ECB_NO_THREADS 1
17#include "ecb.h" 19#include "ecb.h"
18 20
19#include <stddef.h> 21#include <stddef.h>
20#include <stdio.h> 22#include <stdio.h>
21#include <errno.h> 23#include <errno.h>
22#include <assert.h> 24#include <assert.h>
23 25
24#ifndef SVs_PADSTALE 26#ifndef SVs_PADSTALE
25# define SVs_PADSTALE 0 27# define SVs_PADSTALE 0
28#endif
29
30#ifdef PadARRAY
31# define NEWPADAPI 1
32# define newPADLIST(var) (Newz (0, var, 1, PADLIST), Newx (PadlistARRAY (var), 2, PAD *))
33#else
34typedef AV PADNAMELIST;
35# if !PERL_VERSION_ATLEAST(5,8,0)
36typedef AV PADLIST;
37typedef AV PAD;
38# endif
39# define PadlistARRAY(pl) ((PAD **)AvARRAY (pl))
40# define PadlistMAX(pl) AvFILLp (pl)
41# define PadlistNAMES(pl) (*PadlistARRAY (pl))
42# define PadARRAY AvARRAY
43# define PadMAX AvFILLp
44# define newPADLIST(var) ((var) = newAV (), av_extend (var, 1))
26#endif 45#endif
27 46
28#if defined(_WIN32) 47#if defined(_WIN32)
29# undef HAS_GETTIMEOFDAY 48# undef HAS_GETTIMEOFDAY
30# undef setjmp 49# undef setjmp
33# define setjmp _setjmp /* deep magic */ 52# define setjmp _setjmp /* deep magic */
34#else 53#else
35# include <inttypes.h> /* most portable stdint.h */ 54# include <inttypes.h> /* most portable stdint.h */
36#endif 55#endif
37 56
38#if HAVE_MMAP
39# include <unistd.h>
40# include <sys/mman.h>
41# ifndef MAP_ANONYMOUS
42# ifdef MAP_ANON
43# define MAP_ANONYMOUS MAP_ANON
44# else
45# undef HAVE_MMAP
46# endif
47# endif
48# include <limits.h>
49# ifndef PAGESIZE
50# define PAGESIZE pagesize
51# define BOOT_PAGESIZE pagesize = sysconf (_SC_PAGESIZE)
52static long pagesize;
53# else
54# define BOOT_PAGESIZE (void)0
55# endif
56#else
57# define PAGESIZE 0
58# define BOOT_PAGESIZE (void)0
59#endif
60
61#if CORO_USE_VALGRIND
62# include <valgrind/valgrind.h>
63#endif
64
65/* the maximum number of idle cctx that will be pooled */ 57/* the maximum number of idle cctx that will be pooled */
66static int cctx_max_idle = 4; 58static int cctx_max_idle = 4;
67 59
68#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 60#if defined(DEBUGGING) && PERL_VERSION_ATLEAST(5,12,0)
69# undef CORO_STACKGUARD 61# define HAS_SCOPESTACK_NAME 1
70#endif
71
72#ifndef CORO_STACKGUARD
73# define CORO_STACKGUARD 0
74#endif 62#endif
75 63
76/* prefer perl internal functions over our own? */ 64/* prefer perl internal functions over our own? */
77#ifndef CORO_PREFER_PERL_FUNCTIONS 65#ifndef CORO_PREFER_PERL_FUNCTIONS
78# define CORO_PREFER_PERL_FUNCTIONS 0 66# define CORO_PREFER_PERL_FUNCTIONS 0
97# if CORO_PTHREAD 85# if CORO_PTHREAD
98static void *coro_thx; 86static void *coro_thx;
99# endif 87# endif
100#endif 88#endif
101 89
102/* used in state.h */
103#define VAR(name,type) VARx(name, PL_ ## name, type)
104
105#ifdef __linux 90#ifdef __linux
106# include <time.h> /* for timespec */ 91# include <time.h> /* for timespec */
107# include <syscall.h> /* for SYS_* */ 92# include <syscall.h> /* for SYS_* */
108# ifdef SYS_clock_gettime 93# ifdef SYS_clock_gettime
109# define coro_clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) 94# define coro_clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
172typedef struct coro_cctx 157typedef struct coro_cctx
173{ 158{
174 struct coro_cctx *next; 159 struct coro_cctx *next;
175 160
176 /* the stack */ 161 /* the stack */
177 void *sptr; 162 struct coro_stack stack;
178 size_t ssize;
179 163
180 /* cpu state */ 164 /* cpu state */
181 void *idle_sp; /* sp of top-level transfer/schedule/cede call */ 165 void *idle_sp; /* sp of top-level transfer/schedule/cede call */
166#ifndef NDEBUG
182 JMPENV *idle_te; /* same as idle_sp, but for top_env, TODO: remove once stable */ 167 JMPENV *idle_te; /* same as idle_sp, but for top_env */
168#endif
183 JMPENV *top_env; 169 JMPENV *top_env;
184 coro_context cctx; 170 coro_context cctx;
185 171
186 U32 gen; 172 U32 gen;
187#if CORO_USE_VALGRIND 173#if CORO_USE_VALGRIND
207}; 193};
208 194
209/* the structure where most of the perl state is stored, overlaid on the cxstack */ 195/* the structure where most of the perl state is stored, overlaid on the cxstack */
210typedef struct 196typedef struct
211{ 197{
212#define VARx(name,expr,type) type name; 198 #define VARx(name,expr,type) type name;
213# include "state.h" 199 #include "state.h"
214#undef VARx
215} perl_slots; 200} perl_slots;
216 201
217/* how many context stack entries do we need for perl_slots */ 202/* how many context stack entries do we need for perl_slots */
218#define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) 203#define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT))
219 204
291#define coro_nready coroapi.nready 276#define coro_nready coroapi.nready
292 277
293/** JIT *********************************************************************/ 278/** JIT *********************************************************************/
294 279
295#if CORO_JIT 280#if CORO_JIT
296 /* APPLE doesn't have HAVE_MMAP though */ 281 /* APPLE doesn't have mmap though */
297 #define CORO_JIT_UNIXY (__linux || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __solaris || __APPLE__) 282 #define CORO_JIT_UNIXY (__linux || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __solaris || __APPLE__)
298 #ifndef CORO_JIT_TYPE 283 #ifndef CORO_JIT_TYPE
299 #if __x86_64 && CORO_JIT_UNIXY 284 #if ECB_AMD64 && CORO_JIT_UNIXY
300 #define CORO_JIT_TYPE "amd64-unix" 285 #define CORO_JIT_TYPE "amd64-unix"
301 #elif __i386 && CORO_JIT_UNIXY 286 #elif __i386 && CORO_JIT_UNIXY
302 #define CORO_JIT_TYPE "x86-unix" 287 #define CORO_JIT_TYPE "x86-unix"
303 #endif 288 #endif
304 #endif 289 #endif
305#endif 290#endif
306 291
307#if !defined(CORO_JIT_TYPE) || !HAVE_MMAP 292#if !defined(CORO_JIT_TYPE) || _POSIX_MEMORY_PROTECTION <= 0
308 #undef CORO_JIT 293 #undef CORO_JIT
309#endif 294#endif
310 295
311#if CORO_JIT 296#if CORO_JIT
312 typedef void (*load_save_perl_slots_type)(perl_slots *); 297 typedef void (*load_save_perl_slots_type)(perl_slots *);
369time_init (pTHX) 354time_init (pTHX)
370{ 355{
371 SV **svp; 356 SV **svp;
372 357
373 require_pv ("Time/HiRes.pm"); 358 require_pv ("Time/HiRes.pm");
374 359
375 svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); 360 svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0);
376 361
377 if (!svp) croak ("Time::HiRes is required, but missing. Caught"); 362 if (!svp) croak ("Time::HiRes is required, but missing. Caught");
378 if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught"); 363 if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught");
379 364
520#define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) 505#define SvSTATE_current SvSTATE_hv (SvRV (coro_current))
521 506
522/*****************************************************************************/ 507/*****************************************************************************/
523/* padlist management and caching */ 508/* padlist management and caching */
524 509
525ecb_inline AV * 510ecb_inline PADLIST *
526coro_derive_padlist (pTHX_ CV *cv) 511coro_derive_padlist (pTHX_ CV *cv)
527{ 512{
528 AV *padlist = CvPADLIST (cv); 513 PADLIST *padlist = CvPADLIST (cv);
529 AV *newpadlist, *newpad; 514 PADLIST *newpadlist;
515 PAD *newpad;
516 PADOFFSET off = PadlistMAX (padlist) + 1;
530 517
531 newpadlist = newAV (); 518#if NEWPADAPI
519
520 while (!PadlistARRAY (padlist)[off - 1])
521 --off;
522
523 Perl_pad_push (aTHX_ padlist, off);
524 newpad = PadlistARRAY (padlist)[off];
525 PadlistARRAY (padlist)[off] = 0;
526
527#else
528
529#if PERL_VERSION_ATLEAST (5,10,0)
530 Perl_pad_push (aTHX_ padlist, off);
531#else
532 Perl_pad_push (aTHX_ padlist, off, 1);
533#endif
534
535 newpad = PadlistARRAY (padlist)[off];
536 PadlistMAX (padlist) = off - 1;
537
538#endif
539
540 newPADLIST (newpadlist);
541#if !PERL_VERSION_ATLEAST(5,15,3)
542 /* Padlists are AvREAL as of 5.15.3. See perl bug #98092 and perl commit 7d953ba. */
532 AvREAL_off (newpadlist); 543 AvREAL_off (newpadlist);
533#if PERL_VERSION_ATLEAST (5,10,0)
534 Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);
535#else
536 Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
537#endif 544#endif
538 newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
539 --AvFILLp (padlist);
540 545
541 av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0])); 546 /* Already extended to 2 elements by newPADLIST. */
542 av_store (newpadlist, 1, (SV *)newpad); 547 PadlistMAX (newpadlist) = 1;
548 PadlistNAMES (newpadlist) = (PADNAMELIST *)SvREFCNT_inc_NN (PadlistNAMES (padlist));
549 PadlistARRAY (newpadlist)[1] = newpad;
543 550
544 return newpadlist; 551 return newpadlist;
545} 552}
546 553
547ecb_inline void 554ecb_inline void
548free_padlist (pTHX_ AV *padlist) 555free_padlist (pTHX_ PADLIST *padlist)
549{ 556{
550 /* may be during global destruction */ 557 /* may be during global destruction */
551 if (!IN_DESTRUCT) 558 if (!IN_DESTRUCT)
552 { 559 {
553 I32 i = AvFILLp (padlist); 560 I32 i = PadlistMAX (padlist);
554 561
555 while (i > 0) /* special-case index 0 */ 562 while (i > 0) /* special-case index 0 */
556 { 563 {
557 /* we try to be extra-careful here */ 564 /* we try to be extra-careful here */
558 AV *av = (AV *)AvARRAY (padlist)[i--]; 565 PAD *pad = PadlistARRAY (padlist)[i--];
559 I32 j = AvFILLp (av); 566 I32 j = PadMAX (pad);
560 567
561 while (j >= 0) 568 while (j >= 0)
562 SvREFCNT_dec (AvARRAY (av)[j--]); 569 SvREFCNT_dec (PadARRAY (pad)[j--]);
563 570
564 AvFILLp (av) = -1; 571 PadMAX (pad) = -1;
565 SvREFCNT_dec (av); 572 SvREFCNT_dec (pad);
566 } 573 }
567 574
568 SvREFCNT_dec (AvARRAY (padlist)[0]); 575 SvREFCNT_dec (PadlistNAMES (padlist));
569 576
577#if NEWPADAPI
578 Safefree (PadlistARRAY (padlist));
579 Safefree (padlist);
580#else
570 AvFILLp (padlist) = -1; 581 AvFILLp (padlist) = -1;
582 AvREAL_off (padlist);
571 SvREFCNT_dec ((SV*)padlist); 583 SvREFCNT_dec ((SV*)padlist);
584#endif
572 } 585 }
573} 586}
574 587
575static int 588static int
576coro_cv_free (pTHX_ SV *sv, MAGIC *mg) 589coro_cv_free (pTHX_ SV *sv, MAGIC *mg)
577{ 590{
578 AV *padlist; 591 PADLIST *padlist;
579 AV *av = (AV *)mg->mg_obj; 592 PADLIST **padlists = (PADLIST **)(mg->mg_ptr + sizeof(size_t));
593 size_t len = *(size_t *)mg->mg_ptr;
580 594
581 /* perl manages to free our internal AV and _then_ call us */ 595 /* perl manages to free our internal AV and _then_ call us */
582 if (IN_DESTRUCT) 596 if (IN_DESTRUCT)
583 return 0; 597 return 0;
584 598
585 /* casting is fun. */ 599 while (len--)
586 while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av)))
587 free_padlist (aTHX_ padlist); 600 free_padlist (aTHX_ padlists[len]);
588
589 SvREFCNT_dec (av); /* sv_magicext increased the refcount */
590 601
591 return 0; 602 return 0;
592} 603}
593 604
594static MGVTBL coro_cv_vtbl = { 605static MGVTBL coro_cv_vtbl = {
599/* the next two functions merely cache the padlists */ 610/* the next two functions merely cache the padlists */
600ecb_inline void 611ecb_inline void
601get_padlist (pTHX_ CV *cv) 612get_padlist (pTHX_ CV *cv)
602{ 613{
603 MAGIC *mg = CORO_MAGIC_cv (cv); 614 MAGIC *mg = CORO_MAGIC_cv (cv);
604 AV *av; 615 size_t *lenp;
605 616
606 if (ecb_expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) 617 if (ecb_expect_true (mg && *(lenp = (size_t *)mg->mg_ptr)))
607 CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; 618 CvPADLIST (cv) = ((PADLIST **)(mg->mg_ptr + sizeof(size_t)))[--*lenp];
608 else 619 else
609 { 620 {
610#if CORO_PREFER_PERL_FUNCTIONS 621#if CORO_PREFER_PERL_FUNCTIONS
611 /* this is probably cleaner? but also slower! */ 622 /* this is probably cleaner? but also slower! */
612 /* in practise, it seems to be less stable */ 623 /* in practise, it seems to be less stable */
622 633
623ecb_inline void 634ecb_inline void
624put_padlist (pTHX_ CV *cv) 635put_padlist (pTHX_ CV *cv)
625{ 636{
626 MAGIC *mg = CORO_MAGIC_cv (cv); 637 MAGIC *mg = CORO_MAGIC_cv (cv);
627 AV *av;
628 638
629 if (ecb_expect_false (!mg)) 639 if (ecb_expect_false (!mg))
640 {
630 mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); 641 mg = sv_magicext ((SV *)cv, 0, CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);
642 Newz (0, mg->mg_ptr ,sizeof (size_t) + sizeof (PADLIST *), char);
643 mg->mg_len = 1; /* so mg_free frees mg_ptr */
644 }
645 else
646 Renew (mg->mg_ptr,
647 sizeof(size_t) + (*(size_t *)mg->mg_ptr + 1) * sizeof(PADLIST *),
648 char);
631 649
632 av = (AV *)mg->mg_obj; 650 ((PADLIST **)(mg->mg_ptr + sizeof (size_t))) [(*(size_t *)mg->mg_ptr)++] = CvPADLIST (cv);
633
634 if (ecb_expect_false (AvFILLp (av) >= AvMAX (av)))
635 av_extend (av, AvFILLp (av) + 1);
636
637 AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
638} 651}
639 652
640/** load & save, init *******************************************************/ 653/** load & save, init *******************************************************/
641 654
655ecb_inline void
656swap_sv (SV *a, SV *b)
657{
658 const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */
659 SV tmp;
660
661 /* swap sv_any */
662 SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp);
663
664 /* swap sv_flags */
665 SvFLAGS (&tmp) = SvFLAGS (a);
666 SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep);
667 SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep);
668
669#if PERL_VERSION_ATLEAST (5,10,0)
670 /* perl 5.10 and later complicates this _quite_ a bit, but it also
671 * is much faster, so no quarrels here. alternatively, we could
672 * sv_upgrade to avoid this.
673 */
674 {
675 /* swap sv_u */
676 tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u;
677
678 /* if SvANY points to the head, we need to adjust the pointers,
679 * as the pointer for a still points to b, and maybe vice versa.
680 */
681 #define svany_in_head(type) \
682 (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type)))
683
684 if (svany_in_head (SvTYPE (a)))
685 SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a);
686
687 if (svany_in_head (SvTYPE (b)))
688 SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b);
689 }
690#endif
691}
692
642/* swap sv heads, at least logically */ 693/* swap sv heads, at least logically */
643static void 694static void
644swap_svs (pTHX_ Coro__State c) 695swap_svs (pTHX_ Coro__State c)
645{ 696{
646 int i; 697 int i;
647 698
648 for (i = 0; i <= AvFILLp (c->swap_sv); ) 699 for (i = 0; i <= AvFILLp (c->swap_sv); i += 2)
649 { 700 swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]);
650 SV *a = AvARRAY (c->swap_sv)[i++];
651 SV *b = AvARRAY (c->swap_sv)[i++];
652
653 const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */
654 SV tmp;
655
656 /* swap sv_any */
657 SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp);
658
659 /* swap sv_flags */
660 SvFLAGS (&tmp) = SvFLAGS (a);
661 SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep);
662 SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep);
663
664#if PERL_VERSION_ATLEAST (5,10,0)
665 /* perl 5.10 complicates this _quite_ a bit, but it also is
666 * much faster, so no quarrels here. alternatively, we could
667 * sv_upgrade to avoid this.
668 */
669 {
670 /* swap sv_u */
671 tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u;
672
673 /* if SvANY points to the head, we need to adjust the pointers,
674 * as the pointer for a still points to b, and maybe vice versa.
675 */
676 #define svany_in_head(type) \
677 (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type)))
678
679 if (svany_in_head (SvTYPE (a)))
680 SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a);
681
682 if (svany_in_head (SvTYPE (b)))
683 SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b);
684 }
685#endif
686 }
687} 701}
688 702
689#define SWAP_SVS(coro) \ 703#define SWAP_SVS(coro) \
690 if (ecb_expect_false ((coro)->swap_sv)) \ 704 if (ecb_expect_false ((coro)->swap_sv)) \
691 swap_svs (aTHX_ (coro)) 705 swap_svs (aTHX_ (coro))
703 717
704#if CORO_JIT 718#if CORO_JIT
705 load_perl_slots (slot); 719 load_perl_slots (slot);
706#else 720#else
707 #define VARx(name,expr,type) expr = slot->name; 721 #define VARx(name,expr,type) expr = slot->name;
708 # include "state.h" 722 #include "state.h"
709 #undef VARx
710#endif 723#endif
711 724
712 { 725 {
713 dSP; 726 dSP;
714 727
717 /* now do the ugly restore mess */ 730 /* now do the ugly restore mess */
718 while (ecb_expect_true (cv = (CV *)POPs)) 731 while (ecb_expect_true (cv = (CV *)POPs))
719 { 732 {
720 put_padlist (aTHX_ cv); /* mark this padlist as available */ 733 put_padlist (aTHX_ cv); /* mark this padlist as available */
721 CvDEPTH (cv) = PTR2IV (POPs); 734 CvDEPTH (cv) = PTR2IV (POPs);
722 CvPADLIST (cv) = (AV *)POPs; 735 CvPADLIST (cv) = (PADLIST *)POPs;
723 } 736 }
724 737
725 PUTBACK; 738 PUTBACK;
726 } 739 }
727 740
836 849
837#if CORO_JIT 850#if CORO_JIT
838 save_perl_slots (slot); 851 save_perl_slots (slot);
839#else 852#else
840 #define VARx(name,expr,type) slot->name = expr; 853 #define VARx(name,expr,type) slot->name = expr;
841 # include "state.h" 854 #include "state.h"
842 #undef VARx
843#endif 855#endif
844 } 856 }
845} 857}
846 858
847/* 859/*
879#endif 891#endif
880 892
881 New(54,PL_scopestack,8,I32); 893 New(54,PL_scopestack,8,I32);
882 PL_scopestack_ix = 0; 894 PL_scopestack_ix = 0;
883 PL_scopestack_max = 8; 895 PL_scopestack_max = 8;
896#if HAS_SCOPESTACK_NAME
897 New(54,PL_scopestack_name,8,const char*);
898#endif
884 899
885 New(54,PL_savestack,24,ANY); 900 New(54,PL_savestack,24,ANY);
886 PL_savestack_ix = 0; 901 PL_savestack_ix = 0;
887 PL_savestack_max = 24; 902 PL_savestack_max = 24;
888 903
916 } 931 }
917 932
918 Safefree (PL_tmps_stack); 933 Safefree (PL_tmps_stack);
919 Safefree (PL_markstack); 934 Safefree (PL_markstack);
920 Safefree (PL_scopestack); 935 Safefree (PL_scopestack);
936#if HAS_SCOPESTACK_NAME
937 Safefree (PL_scopestack_name);
938#endif
921 Safefree (PL_savestack); 939 Safefree (PL_savestack);
922#if !PERL_VERSION_ATLEAST (5,10,0) 940#if !PERL_VERSION_ATLEAST (5,10,0)
923 Safefree (PL_retstack); 941 Safefree (PL_retstack);
924#endif 942#endif
925} 943}
985 { 1003 {
986 SV **svp = 0; 1004 SV **svp = 0;
987 1005
988 if (strEQ (s, "__DIE__" )) svp = &PL_diehook; 1006 if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
989 if (strEQ (s, "__WARN__")) svp = &PL_warnhook; 1007 if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
990 1008
991 if (svp) 1009 if (svp)
992 { 1010 {
993 sv_setsv (sv, *svp ? *svp : &PL_sv_undef); 1011 SV *ssv;
1012
1013 if (!*svp)
1014 ssv = &PL_sv_undef;
1015 else if (SvTYPE (*svp) == SVt_PVCV) /* perlio directly stores a CV in warnhook. ugh. */
1016 ssv = sv_2mortal (newRV_inc (*svp));
1017 else
1018 ssv = *svp;
1019
1020 sv_setsv (sv, ssv);
994 return 0; 1021 return 0;
995 } 1022 }
996 } 1023 }
997 1024
998 return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; 1025 return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0;
1092 PL_hints = 0; 1119 PL_hints = 0;
1093 1120
1094 /* recreate the die/warn hooks */ 1121 /* recreate the die/warn hooks */
1095 PL_diehook = SvREFCNT_inc (rv_diehook); 1122 PL_diehook = SvREFCNT_inc (rv_diehook);
1096 PL_warnhook = SvREFCNT_inc (rv_warnhook); 1123 PL_warnhook = SvREFCNT_inc (rv_warnhook);
1097 1124
1098 GvSV (PL_defgv) = newSV (0); 1125 GvSV (PL_defgv) = newSV (0);
1099 GvAV (PL_defgv) = coro->args; coro->args = 0; 1126 GvAV (PL_defgv) = coro->args; coro->args = 0;
1100 GvSV (PL_errgv) = newSV (0); 1127 GvSV (PL_errgv) = newSV (0);
1101 GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); 1128 GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
1102 GvHV (PL_hintgv) = 0; 1129 GvHV (PL_hintgv) = 0;
1395transfer_tail (pTHX) 1422transfer_tail (pTHX)
1396{ 1423{
1397 free_coro_mortal (aTHX); 1424 free_coro_mortal (aTHX);
1398} 1425}
1399 1426
1427/* try to exit the same way perl's main function would do */
1428/* we do not bother resetting the environment or other things *7
1429/* that are not, uhm, essential */
1430/* this obviously also doesn't work when perl is embedded */
1431static void ecb_noinline ecb_cold
1432perlish_exit (pTHX)
1433{
1434 int exitstatus = perl_destruct (PL_curinterp);
1435 perl_free (PL_curinterp);
1436 exit (exitstatus);
1437}
1438
1400/* 1439/*
1401 * this is a _very_ stripped down perl interpreter ;) 1440 * this is a _very_ stripped down perl interpreter ;)
1402 */ 1441 */
1403static void 1442static void
1404cctx_run (void *arg) 1443cctx_run (void *arg)
1431 */ 1470 */
1432 1471
1433 /* 1472 /*
1434 * If perl-run returns we assume exit() was being called or the coro 1473 * If perl-run returns we assume exit() was being called or the coro
1435 * fell off the end, which seems to be the only valid (non-bug) 1474 * fell off the end, which seems to be the only valid (non-bug)
1436 * reason for perl_run to return. We try to exit by jumping to the 1475 * reason for perl_run to return. We try to mimic whatever perl is normally
1437 * bootstrap-time "top" top_env, as we cannot restore the "main" 1476 * doing in that case. YMMV.
1438 * coroutine as Coro has no such concept.
1439 * This actually isn't valid with the pthread backend, but OSes requiring
1440 * that backend are too broken to do it in a standards-compliant way.
1441 */ 1477 */
1442 PL_top_env = main_top_env; 1478 perlish_exit (aTHX);
1443 JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */
1444 } 1479 }
1445} 1480}
1446 1481
1447static coro_cctx * 1482static coro_cctx *
1448cctx_new (void) 1483cctx_new (void)
1463static coro_cctx * 1498static coro_cctx *
1464cctx_new_empty (void) 1499cctx_new_empty (void)
1465{ 1500{
1466 coro_cctx *cctx = cctx_new (); 1501 coro_cctx *cctx = cctx_new ();
1467 1502
1468 cctx->sptr = 0; 1503 cctx->stack.sptr = 0;
1469 coro_create (&cctx->cctx, 0, 0, 0, 0); 1504 coro_create (&cctx->cctx, 0, 0, 0, 0);
1470 1505
1471 return cctx; 1506 return cctx;
1472} 1507}
1473 1508
1474/* create a new cctx suitable as destination/running a perl interpreter */ 1509/* create a new cctx suitable as destination/running a perl interpreter */
1475static coro_cctx * 1510static coro_cctx *
1476cctx_new_run (void) 1511cctx_new_run (void)
1477{ 1512{
1478 coro_cctx *cctx = cctx_new (); 1513 coro_cctx *cctx = cctx_new ();
1479 void *stack_start;
1480 size_t stack_size;
1481 1514
1482#if HAVE_MMAP 1515 if (!coro_stack_alloc (&cctx->stack, cctx_stacksize))
1483 cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;
1484 /* mmap supposedly does allocate-on-write for us */
1485 cctx->sptr = mmap (0, cctx->ssize, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_ANONYMOUS, 0, 0);
1486
1487 if (cctx->sptr != (void *)-1)
1488 {
1489 #if CORO_STACKGUARD
1490 mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE);
1491 #endif
1492 stack_start = (char *)cctx->sptr + CORO_STACKGUARD * PAGESIZE;
1493 stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE;
1494 cctx->flags |= CC_MAPPED;
1495 } 1516 {
1496 else
1497#endif
1498 {
1499 cctx->ssize = cctx_stacksize * (long)sizeof (long);
1500 New (0, cctx->sptr, cctx_stacksize, long);
1501
1502 if (!cctx->sptr)
1503 {
1504 perror ("FATAL: unable to allocate stack for coroutine, exiting."); 1517 perror ("FATAL: unable to allocate stack for coroutine, exiting.");
1505 _exit (EXIT_FAILURE); 1518 _exit (EXIT_FAILURE);
1506 }
1507
1508 stack_start = cctx->sptr;
1509 stack_size = cctx->ssize;
1510 } 1519 }
1511 1520
1512 #if CORO_USE_VALGRIND
1513 cctx->valgrind_id = VALGRIND_STACK_REGISTER ((char *)stack_start, (char *)stack_start + stack_size);
1514 #endif
1515
1516 coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size); 1521 coro_create (&cctx->cctx, cctx_run, (void *)cctx, cctx->stack.sptr, cctx->stack.ssze);
1517 1522
1518 return cctx; 1523 return cctx;
1519} 1524}
1520 1525
1521static void 1526static void
1527 assert (("FATAL: tried to destroy current cctx", cctx != cctx_current)); 1532 assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));
1528 1533
1529 --cctx_count; 1534 --cctx_count;
1530 coro_destroy (&cctx->cctx); 1535 coro_destroy (&cctx->cctx);
1531 1536
1532 /* coro_transfer creates new, empty cctx's */ 1537 coro_stack_free (&cctx->stack);
1533 if (cctx->sptr)
1534 {
1535 #if CORO_USE_VALGRIND
1536 VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
1537 #endif
1538
1539#if HAVE_MMAP
1540 if (cctx->flags & CC_MAPPED)
1541 munmap (cctx->sptr, cctx->ssize);
1542 else
1543#endif
1544 Safefree (cctx->sptr);
1545 }
1546 1538
1547 Safefree (cctx); 1539 Safefree (cctx);
1548} 1540}
1549 1541
1550/* wether this cctx should be destructed */ 1542/* wether this cctx should be destructed */
1569} 1561}
1570 1562
1571static void 1563static void
1572cctx_put (coro_cctx *cctx) 1564cctx_put (coro_cctx *cctx)
1573{ 1565{
1574 assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr)); 1566 assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->stack.sptr));
1575 1567
1576 /* free another cctx if overlimit */ 1568 /* free another cctx if overlimit */
1577 if (ecb_expect_false (cctx_idle >= cctx_max_idle)) 1569 if (ecb_expect_false (cctx_idle >= cctx_max_idle))
1578 { 1570 {
1579 coro_cctx *first = cctx_first; 1571 coro_cctx *first = cctx_first;
1705 return; 1697 return;
1706 1698
1707 slf_destroy (aTHX_ coro); 1699 slf_destroy (aTHX_ coro);
1708 1700
1709 coro->flags |= CF_ZOMBIE; 1701 coro->flags |= CF_ZOMBIE;
1710 1702
1711 if (coro->flags & CF_READY) 1703 if (coro->flags & CF_READY)
1712 { 1704 {
1713 /* reduce nready, as destroying a ready coro effectively unreadies it */ 1705 /* reduce nready, as destroying a ready coro effectively unreadies it */
1714 /* alternative: look through all ready queues and remove the coro */ 1706 /* alternative: look through all ready queues and remove the coro */
1715 --coro_nready; 1707 --coro_nready;
2119 AV *od = coro->on_destroy; 2111 AV *od = coro->on_destroy;
2120 2112
2121 if (!od) 2113 if (!od)
2122 return; 2114 return;
2123 2115
2116 coro->on_destroy = 0;
2117 sv_2mortal ((SV *)od);
2118
2124 while (AvFILLp (od) >= 0) 2119 while (AvFILLp (od) >= 0)
2125 { 2120 {
2126 SV *cb = sv_2mortal (av_pop (od)); 2121 SV *cb = sv_2mortal (av_pop (od));
2127 2122
2128 /* coro hv's (and only hv's at the moment) are supported as well */ 2123 /* coro hv's (and only hv's at the moment) are supported as well */
2148 2143
2149static void 2144static void
2150coro_set_status (pTHX_ struct coro *coro, SV **arg, int items) 2145coro_set_status (pTHX_ struct coro *coro, SV **arg, int items)
2151{ 2146{
2152 AV *av; 2147 AV *av;
2153 2148
2154 if (coro->status) 2149 if (coro->status)
2155 { 2150 {
2156 av = coro->status; 2151 av = coro->status;
2157 av_clear (av); 2152 av_clear (av);
2158 } 2153 }
2205 2200
2206 coro = SvSTATE (arg [0]); 2201 coro = SvSTATE (arg [0]);
2207 coro_hv = coro->hv; 2202 coro_hv = coro->hv;
2208 2203
2209 coro_set_status (aTHX_ coro, arg + 1, items - 1); 2204 coro_set_status (aTHX_ coro, arg + 1, items - 1);
2210 2205
2211 if (ecb_expect_false (coro->flags & CF_NOCANCEL)) 2206 if (ecb_expect_false (coro->flags & CF_NOCANCEL))
2212 { 2207 {
2213 /* coro currently busy cancelling something, so just notify it */ 2208 /* coro currently busy cancelling something, so just notify it */
2214 coro->slf_frame.data = (void *)coro; 2209 coro->slf_frame.data = (void *)coro;
2215 2210
2394 2389
2395static int 2390static int
2396slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) 2391slf_check_rouse_wait (pTHX_ struct CoroSLF *frame)
2397{ 2392{
2398 SV *data = (SV *)frame->data; 2393 SV *data = (SV *)frame->data;
2399 2394
2400 if (CORO_THROW) 2395 if (CORO_THROW)
2401 return 0; 2396 return 0;
2402 2397
2403 if (SvTYPE (SvRV (data)) != SVt_PVAV) 2398 if (SvTYPE (SvRV (data)) != SVt_PVAV)
2404 return 1; 2399 return 1;
2440 cb = sv_2mortal (coro->rouse_cb); 2435 cb = sv_2mortal (coro->rouse_cb);
2441 coro->rouse_cb = 0; 2436 coro->rouse_cb = 0;
2442 } 2437 }
2443 2438
2444 if (!SvROK (cb) 2439 if (!SvROK (cb)
2445 || SvTYPE (SvRV (cb)) != SVt_PVCV 2440 || SvTYPE (SvRV (cb)) != SVt_PVCV
2446 || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) 2441 || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback)
2447 croak ("Coro::rouse_wait called with illegal callback argument,"); 2442 croak ("Coro::rouse_wait called with illegal callback argument,");
2448 2443
2449 { 2444 {
2450 CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ 2445 CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */
3171 /* it quickly returns */ 3166 /* it quickly returns */
3172 if (CORO_THROW) 3167 if (CORO_THROW)
3173 return 0; 3168 return 0;
3174 3169
3175 /* one element that is an RV? repeat! */ 3170 /* one element that is an RV? repeat! */
3176 if (AvFILLp (state) == 0 && SvROK (AvARRAY (state)[0])) 3171 if (AvFILLp (state) == 0 && SvTYPE (AvARRAY (state)[0]) != SVt_PV)
3177 return 1; 3172 return 1;
3178 3173
3179 /* restore status */ 3174 /* restore status */
3180 { 3175 {
3181 SV *data_sv = av_pop (state); 3176 SV *data_sv = av_pop (state);
3371 int count; 3366 int count;
3372 3367
3373 eval_pv ("require 'Coro/jit-" CORO_JIT_TYPE ".pl'", 1); 3368 eval_pv ("require 'Coro/jit-" CORO_JIT_TYPE ".pl'", 1);
3374 3369
3375 PUSHMARK (SP); 3370 PUSHMARK (SP);
3376#define VARx(name,expr,type) pushav_4uv (aTHX_ (UV)&(expr), sizeof (expr), offsetof (perl_slots, name), sizeof (type)); 3371 #define VARx(name,expr,type) pushav_4uv (aTHX_ (UV)&(expr), sizeof (expr), offsetof (perl_slots, name), sizeof (type));
3377# include "state.h" 3372 #include "state.h"
3378#undef VARx
3379 count = call_pv ("Coro::State::_jit", G_ARRAY); 3373 count = call_pv ("Coro::State::_jit", G_ARRAY);
3380 SPAGAIN; 3374 SPAGAIN;
3381 3375
3382 save = POPs; save_ptr = SvPVbyte (save, save_len); 3376 save = POPs; save_ptr = SvPVbyte (save, save_len);
3383 load = POPs; load_ptr = SvPVbyte (load, load_len); 3377 load = POPs; load_ptr = SvPVbyte (load, load_len);
3415#ifdef USE_ITHREADS 3409#ifdef USE_ITHREADS
3416# if CORO_PTHREAD 3410# if CORO_PTHREAD
3417 coro_thx = PERL_GET_CONTEXT; 3411 coro_thx = PERL_GET_CONTEXT;
3418# endif 3412# endif
3419#endif 3413#endif
3420 BOOT_PAGESIZE;
3421
3422 /* perl defines these to check for existance first, but why it doesn't */ 3414 /* perl defines these to check for existance first, but why it doesn't */
3423 /* just create them one at init time is not clear to me, except for */ 3415 /* just create them one at init time is not clear to me, except for */
3424 /* programs trying to delete them, but... */ 3416 /* programs trying to delete them, but... */
3425 /* anyway, we declare this as invalid and make sure they are initialised here */ 3417 /* anyway, we declare this as invalid and make sure they are initialised here */
3426 DEFSV; 3418 DEFSV;
3496void 3488void
3497transfer (...) 3489transfer (...)
3498 PROTOTYPE: $$ 3490 PROTOTYPE: $$
3499 CODE: 3491 CODE:
3500 CORO_EXECUTE_SLF_XS (slf_init_transfer); 3492 CORO_EXECUTE_SLF_XS (slf_init_transfer);
3501
3502void
3503_exit (int code)
3504 PROTOTYPE: $
3505 CODE:
3506 _exit (code);
3507 3493
3508SV * 3494SV *
3509clone (Coro::State coro) 3495clone (Coro::State coro)
3510 CODE: 3496 CODE:
3511{ 3497{
3566void 3552void
3567list () 3553list ()
3568 PROTOTYPE: 3554 PROTOTYPE:
3569 PPCODE: 3555 PPCODE:
3570{ 3556{
3571 struct coro *coro; 3557 struct coro *coro;
3572 for (coro = coro_first; coro; coro = coro->next) 3558 for (coro = coro_first; coro; coro = coro->next)
3573 if (coro->hv) 3559 if (coro->hv)
3574 XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); 3560 XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv)));
3575} 3561}
3576 3562
3640 RETVAL = boolSV (coro->flags & ix); 3626 RETVAL = boolSV (coro->flags & ix);
3641 OUTPUT: 3627 OUTPUT:
3642 RETVAL 3628 RETVAL
3643 3629
3644void 3630void
3645throw (Coro::State self, SV *exception = &PL_sv_undef) 3631throw (SV *self, SV *exception = &PL_sv_undef)
3646 PROTOTYPE: $;$ 3632 PROTOTYPE: $;$
3647 CODE: 3633 CODE:
3648{ 3634{
3635 struct coro *coro = SvSTATE (self);
3649 struct coro *current = SvSTATE_current; 3636 struct coro *current = SvSTATE_current;
3650 SV **exceptionp = self == current ? &CORO_THROW : &self->except; 3637 SV **exceptionp = coro == current ? &CORO_THROW : &coro->except;
3651 SvREFCNT_dec (*exceptionp); 3638 SvREFCNT_dec (*exceptionp);
3652 SvGETMAGIC (exception); 3639 SvGETMAGIC (exception);
3653 *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; 3640 *exceptionp = SvOK (exception) ? newSVsv (exception) : 0;
3641
3642 api_ready (aTHX_ self);
3654} 3643}
3655 3644
3656void 3645void
3657api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) 3646api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB)
3658 PROTOTYPE: $;$ 3647 PROTOTYPE: $;$
3735 3724
3736void 3725void
3737times (Coro::State self) 3726times (Coro::State self)
3738 PPCODE: 3727 PPCODE:
3739{ 3728{
3740 struct coro *current = SvSTATE (coro_current); 3729 struct coro *current = SvSTATE (coro_current);
3741 3730
3742 if (ecb_expect_false (current == self)) 3731 if (ecb_expect_false (current == self))
3743 { 3732 {
3744 coro_times_update (); 3733 coro_times_update ();
3745 coro_times_add (SvSTATE (coro_current)); 3734 coro_times_add (SvSTATE (coro_current));
3788 3777
3789 sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); 3778 sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle);
3790 sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); 3779 sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro);
3791 cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); 3780 cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler);
3792 CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ 3781 CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */
3793 3782
3794 coro_stash = gv_stashpv ("Coro", TRUE); 3783 coro_stash = gv_stashpv ("Coro", TRUE);
3795 3784
3796 newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); 3785 newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX));
3797 newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); 3786 newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH));
3798 newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); 3787 newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL));
4020 on_leave = 1 4009 on_leave = 1
4021 PROTOTYPE: & 4010 PROTOTYPE: &
4022 CODE: 4011 CODE:
4023{ 4012{
4024 struct coro *coro = SvSTATE_current; 4013 struct coro *coro = SvSTATE_current;
4025 AV **avp = ix ? &coro->on_leave : &coro->on_enter; 4014 AV **avp = ix ? &coro->on_leave : &coro->on_enter;
4026 4015
4027 block = s_get_cv_croak (block); 4016 block = s_get_cv_croak (block);
4028 4017
4029 if (!*avp) 4018 if (!*avp)
4030 *avp = newAV (); 4019 *avp = newAV ();
4050 4039
4051SV * 4040SV *
4052new (SV *klass, SV *count = 0) 4041new (SV *klass, SV *count = 0)
4053 CODE: 4042 CODE:
4054{ 4043{
4055 int semcnt = 1; 4044 int semcnt = 1;
4056 4045
4057 if (count) 4046 if (count)
4058 { 4047 {
4059 SvGETMAGIC (count); 4048 SvGETMAGIC (count);
4060 4049
4120 XSRETURN_NO; 4109 XSRETURN_NO;
4121} 4110}
4122 4111
4123void 4112void
4124waiters (SV *self) 4113waiters (SV *self)
4125 PPCODE: 4114 PPCODE:
4126{ 4115{
4127 AV *av = (AV *)SvRV (self); 4116 AV *av = (AV *)SvRV (self);
4128 int wcount = AvFILLp (av) + 1 - 1; 4117 int wcount = AvFILLp (av) + 1 - 1;
4129 4118
4130 if (GIMME_V == G_SCALAR) 4119 if (GIMME_V == G_SCALAR)
4142 4131
4143void 4132void
4144_may_delete (SV *sem, int count, unsigned int extra_refs) 4133_may_delete (SV *sem, int count, unsigned int extra_refs)
4145 PPCODE: 4134 PPCODE:
4146{ 4135{
4147 AV *av = (AV *)SvRV (sem); 4136 AV *av = (AV *)SvRV (sem);
4148 4137
4149 if (SvREFCNT ((SV *)av) == 1 + extra_refs 4138 if (SvREFCNT ((SV *)av) == 1 + extra_refs
4150 && AvFILLp (av) == 0 /* no waiters, just count */ 4139 && AvFILLp (av) == 0 /* no waiters, just count */
4151 && SvIV (AvARRAY (av)[0]) == count) 4140 && SvIV (AvARRAY (av)[0]) == count)
4152 XSRETURN_YES; 4141 XSRETURN_YES;
4173 4162
4174void 4163void
4175broadcast (SV *self) 4164broadcast (SV *self)
4176 CODE: 4165 CODE:
4177{ 4166{
4178 AV *av = (AV *)SvRV (self); 4167 AV *av = (AV *)SvRV (self);
4179 coro_signal_wake (aTHX_ av, AvFILLp (av)); 4168 coro_signal_wake (aTHX_ av, AvFILLp (av));
4180} 4169}
4181 4170
4182void 4171void
4183send (SV *self) 4172send (SV *self)
4191 SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ 4180 SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */
4192} 4181}
4193 4182
4194IV 4183IV
4195awaited (SV *self) 4184awaited (SV *self)
4196 CODE: 4185 CODE:
4197 RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; 4186 RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1;
4198 OUTPUT: 4187 OUTPUT:
4199 RETVAL 4188 RETVAL
4200 4189
4201 4190
4206 4195
4207void 4196void
4208_schedule (...) 4197_schedule (...)
4209 CODE: 4198 CODE:
4210{ 4199{
4211 static int incede; 4200 static int incede;
4212 4201
4213 api_cede_notself (aTHX); 4202 api_cede_notself (aTHX);
4214 4203
4215 ++incede; 4204 ++incede;
4216 while (coro_nready >= incede && api_cede (aTHX)) 4205 while (coro_nready >= incede && api_cede (aTHX))
4260 { 4249 {
4261 PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; 4250 PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect;
4262 coro_old_pp_sselect = 0; 4251 coro_old_pp_sselect = 0;
4263 } 4252 }
4264 4253
4254MODULE = Coro::State PACKAGE = Coro::Util
4255
4256void
4257_exit (int code)
4258 CODE:
4259 _exit (code);
4260
4261NV
4262time ()
4263 CODE:
4264 RETVAL = nvtime (aTHX);
4265 OUTPUT:
4266 RETVAL
4267
4268NV
4269gettimeofday ()
4270 PPCODE:
4271{
4272 UV tv [2];
4273 u2time (aTHX_ tv);
4274 EXTEND (SP, 2);
4275 PUSHs (sv_2mortal (newSVuv (tv [0])));
4276 PUSHs (sv_2mortal (newSVuv (tv [1])));
4277}
4278

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