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Comparing Coro/Coro/State.xs (file contents):
Revision 1.415 by root, Tue Aug 30 07:48:53 2011 UTC vs.
Revision 1.432 by root, Wed May 8 00:44:44 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
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 defined(DEBUGGING) && PERL_VERSION_ATLEAST(5,12,0) 60#if defined(DEBUGGING) && PERL_VERSION_ATLEAST(5,12,0)
69# define HAS_SCOPESTACK_NAME 1 61# define HAS_SCOPESTACK_NAME 1
70#endif
71
72#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64
73# undef CORO_STACKGUARD
74#endif
75
76#ifndef CORO_STACKGUARD
77# define CORO_STACKGUARD 0
78#endif 62#endif
79 63
80/* prefer perl internal functions over our own? */ 64/* prefer perl internal functions over our own? */
81#ifndef CORO_PREFER_PERL_FUNCTIONS 65#ifndef CORO_PREFER_PERL_FUNCTIONS
82# define CORO_PREFER_PERL_FUNCTIONS 0 66# define CORO_PREFER_PERL_FUNCTIONS 0
… …
101# if CORO_PTHREAD 85# if CORO_PTHREAD
102static void *coro_thx; 86static void *coro_thx;
103# endif 87# endif
104#endif 88#endif
105 89
106/* used in state.h */
107#define VAR(name,type) VARx(name, PL_ ## name, type)
108
109#ifdef __linux 90#ifdef __linux
110# include <time.h> /* for timespec */ 91# include <time.h> /* for timespec */
111# include <syscall.h> /* for SYS_* */ 92# include <syscall.h> /* for SYS_* */
112# ifdef SYS_clock_gettime 93# ifdef SYS_clock_gettime
113# 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))
… …
176typedef struct coro_cctx 157typedef struct coro_cctx
177{ 158{
178 struct coro_cctx *next; 159 struct coro_cctx *next;
179 160
180 /* the stack */ 161 /* the stack */
181 void *sptr; 162 struct coro_stack stack;
182 size_t ssize;
183 163
184 /* cpu state */ 164 /* cpu state */
185 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
186 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
187 JMPENV *top_env; 169 JMPENV *top_env;
188 coro_context cctx; 170 coro_context cctx;
189 171
190 U32 gen; 172 U32 gen;
191#if CORO_USE_VALGRIND 173#if CORO_USE_VALGRIND
… …
211}; 193};
212 194
213/* 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 */
214typedef struct 196typedef struct
215{ 197{
216#define VARx(name,expr,type) type name; 198 #define VARx(name,expr,type) type name;
217# include "state.h" 199 #include "state.h"
218#undef VARx
219} perl_slots; 200} perl_slots;
220 201
221/* how many context stack entries do we need for perl_slots */ 202/* how many context stack entries do we need for perl_slots */
222#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))
223 204
… …
295#define coro_nready coroapi.nready 276#define coro_nready coroapi.nready
296 277
297/** JIT *********************************************************************/ 278/** JIT *********************************************************************/
298 279
299#if CORO_JIT 280#if CORO_JIT
300 /* APPLE doesn't have HAVE_MMAP though */ 281 /* APPLE doesn't have mmap though */
301 #define CORO_JIT_UNIXY (__linux || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __solaris || __APPLE__) 282 #define CORO_JIT_UNIXY (__linux || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __solaris || __APPLE__)
302 #ifndef CORO_JIT_TYPE 283 #ifndef CORO_JIT_TYPE
303 #if __x86_64 && CORO_JIT_UNIXY 284 #if ECB_AMD64 && CORO_JIT_UNIXY
304 #define CORO_JIT_TYPE "amd64-unix" 285 #define CORO_JIT_TYPE "amd64-unix"
305 #elif __i386 && CORO_JIT_UNIXY 286 #elif __i386 && CORO_JIT_UNIXY
306 #define CORO_JIT_TYPE "x86-unix" 287 #define CORO_JIT_TYPE "x86-unix"
307 #endif 288 #endif
308 #endif 289 #endif
309#endif 290#endif
310 291
311#if !defined(CORO_JIT_TYPE) || !HAVE_MMAP 292#if !defined(CORO_JIT_TYPE) || _POSIX_MEMORY_PROTECTION <= 0
312 #undef CORO_JIT 293 #undef CORO_JIT
313#endif 294#endif
314 295
315#if CORO_JIT 296#if CORO_JIT
316 typedef void (*load_save_perl_slots_type)(perl_slots *); 297 typedef void (*load_save_perl_slots_type)(perl_slots *);
… …
373time_init (pTHX) 354time_init (pTHX)
374{ 355{
375 SV **svp; 356 SV **svp;
376 357
377 require_pv ("Time/HiRes.pm"); 358 require_pv ("Time/HiRes.pm");
378 359
379 svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); 360 svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0);
380 361
381 if (!svp) croak ("Time::HiRes is required, but missing. Caught"); 362 if (!svp) croak ("Time::HiRes is required, but missing. Caught");
382 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");
383 364
… …
524#define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) 505#define SvSTATE_current SvSTATE_hv (SvRV (coro_current))
525 506
526/*****************************************************************************/ 507/*****************************************************************************/
527/* padlist management and caching */ 508/* padlist management and caching */
528 509
529ecb_inline AV * 510ecb_inline PADLIST *
530coro_derive_padlist (pTHX_ CV *cv) 511coro_derive_padlist (pTHX_ CV *cv)
531{ 512{
532 AV *padlist = CvPADLIST (cv); 513 PADLIST *padlist = CvPADLIST (cv);
533 AV *newpadlist, *newpad; 514 PADLIST *newpadlist;
515 PAD *newpad;
516 PADOFFSET const off = PadlistMAX (padlist) + 1;
534 517
535 newpadlist = newAV (); 518 newPADLIST(newpadlist);
519#if !PERL_VERSION_ATLEAST(5,15,3)
520 /* Padlists are AvREAL as of 5.15.3. See perl bug #98092 and perl commit 7d953ba. */
536 AvREAL_off (newpadlist); 521 AvREAL_off (newpadlist);
522#endif
537#if PERL_VERSION_ATLEAST (5,10,0) 523#if PERL_VERSION_ATLEAST (5,10,0)
538 Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1); 524 Perl_pad_push (aTHX_ padlist, off);
539#else 525#else
540 Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); 526 Perl_pad_push (aTHX_ padlist, off, 1);
541#endif 527#endif
542 newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; 528 newpad = PadlistARRAY (padlist)[off];
543 --AvFILLp (padlist); 529 PadlistMAX (padlist) = off - 1;
544 530
545 av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0])); 531 /* Already extended to 2 elements by newPADLIST. */
546 av_store (newpadlist, 1, (SV *)newpad); 532 PadlistMAX (newpadlist) = 1;
533 PadlistNAMES (newpadlist) = (PADNAMELIST *)SvREFCNT_inc_NN (PadlistNAMES (padlist));
534 PadlistARRAY (newpadlist)[1] = newpad;
547 535
548 return newpadlist; 536 return newpadlist;
549} 537}
550 538
551ecb_inline void 539ecb_inline void
552free_padlist (pTHX_ AV *padlist) 540free_padlist (pTHX_ PADLIST *padlist)
553{ 541{
554 /* may be during global destruction */ 542 /* may be during global destruction */
555 if (!IN_DESTRUCT) 543 if (!IN_DESTRUCT)
556 { 544 {
557 I32 i = AvFILLp (padlist); 545 I32 i = PadlistMAX (padlist);
558 546
559 while (i > 0) /* special-case index 0 */ 547 while (i > 0) /* special-case index 0 */
560 { 548 {
561 /* we try to be extra-careful here */ 549 /* we try to be extra-careful here */
562 AV *av = (AV *)AvARRAY (padlist)[i--]; 550 PAD *pad = PadlistARRAY (padlist)[i--];
563 I32 j = AvFILLp (av); 551 I32 j = PadMAX (pad);
564 552
565 while (j >= 0) 553 while (j >= 0)
566 SvREFCNT_dec (AvARRAY (av)[j--]); 554 SvREFCNT_dec (PadARRAY (pad)[j--]);
567 555
568 AvFILLp (av) = -1; 556 PadMAX (pad) = -1;
569 SvREFCNT_dec (av); 557 SvREFCNT_dec (pad);
570 } 558 }
571 559
572 SvREFCNT_dec (AvARRAY (padlist)[0]); 560 SvREFCNT_dec (PadlistNAMES (padlist));
573 561
562#ifdef NEWPADAPI
563 Safefree (PadlistARRAY (padlist));
564 Safefree (padlist);
565#else
574 AvFILLp (padlist) = -1; 566 AvFILLp (padlist) = -1;
567 AvREAL_off (padlist);
575 SvREFCNT_dec ((SV*)padlist); 568 SvREFCNT_dec ((SV*)padlist);
569#endif
576 } 570 }
577} 571}
578 572
579static int 573static int
580coro_cv_free (pTHX_ SV *sv, MAGIC *mg) 574coro_cv_free (pTHX_ SV *sv, MAGIC *mg)
581{ 575{
582 AV *padlist; 576 PADLIST *padlist;
583 AV *av = (AV *)mg->mg_obj; 577 PADLIST **padlists = (PADLIST **)(mg->mg_ptr + sizeof(size_t));
578 size_t len = *(size_t *)mg->mg_ptr;
584 579
585 /* perl manages to free our internal AV and _then_ call us */ 580 /* perl manages to free our internal AV and _then_ call us */
586 if (IN_DESTRUCT) 581 if (IN_DESTRUCT)
587 return 0; 582 return 0;
588 583
589 /* casting is fun. */ 584 while (len--)
590 while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av)))
591 free_padlist (aTHX_ padlist); 585 free_padlist (aTHX_ padlists[len]);
592
593 SvREFCNT_dec (av); /* sv_magicext increased the refcount */
594 586
595 return 0; 587 return 0;
596} 588}
597 589
598static MGVTBL coro_cv_vtbl = { 590static MGVTBL coro_cv_vtbl = {
… …
603/* the next two functions merely cache the padlists */ 595/* the next two functions merely cache the padlists */
604ecb_inline void 596ecb_inline void
605get_padlist (pTHX_ CV *cv) 597get_padlist (pTHX_ CV *cv)
606{ 598{
607 MAGIC *mg = CORO_MAGIC_cv (cv); 599 MAGIC *mg = CORO_MAGIC_cv (cv);
608 AV *av; 600 size_t *lenp;
609 601
610 if (ecb_expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) 602 if (ecb_expect_true (mg && *(lenp = (size_t *)mg->mg_ptr)))
611 CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; 603 CvPADLIST (cv) = ((PADLIST **)(mg->mg_ptr + sizeof(size_t)))[--*lenp];
612 else 604 else
613 { 605 {
614#if CORO_PREFER_PERL_FUNCTIONS 606#if CORO_PREFER_PERL_FUNCTIONS
615 /* this is probably cleaner? but also slower! */ 607 /* this is probably cleaner? but also slower! */
616 /* in practise, it seems to be less stable */ 608 /* in practise, it seems to be less stable */
… …
626 618
627ecb_inline void 619ecb_inline void
628put_padlist (pTHX_ CV *cv) 620put_padlist (pTHX_ CV *cv)
629{ 621{
630 MAGIC *mg = CORO_MAGIC_cv (cv); 622 MAGIC *mg = CORO_MAGIC_cv (cv);
631 AV *av;
632 623
633 if (ecb_expect_false (!mg)) 624 if (ecb_expect_false (!mg))
625 {
634 mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); 626 mg = sv_magicext ((SV *)cv, 0, CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);
627 Newz (0, mg->mg_ptr ,sizeof (size_t) + sizeof (PADLIST *), char);
628 mg->mg_len = 1; /* so mg_free frees mg_ptr */
629 }
630 else
631 Renew (mg->mg_ptr,
632 sizeof(size_t) + (*(size_t *)mg->mg_ptr + 1) * sizeof(PADLIST *),
633 char);
635 634
636 av = (AV *)mg->mg_obj; 635 ((PADLIST **)(mg->mg_ptr + sizeof (size_t))) [(*(size_t *)mg->mg_ptr)++] = CvPADLIST (cv);
637
638 if (ecb_expect_false (AvFILLp (av) >= AvMAX (av)))
639 av_extend (av, AvFILLp (av) + 1);
640
641 AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
642} 636}
643 637
644/** load & save, init *******************************************************/ 638/** load & save, init *******************************************************/
645 639
640ecb_inline void
641swap_sv (SV *a, SV *b)
642{
643 const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */
644 SV tmp;
645
646 /* swap sv_any */
647 SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp);
648
649 /* swap sv_flags */
650 SvFLAGS (&tmp) = SvFLAGS (a);
651 SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep);
652 SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep);
653
654#if PERL_VERSION_ATLEAST (5,10,0)
655 /* perl 5.10 and later complicates this _quite_ a bit, but it also
656 * is much faster, so no quarrels here. alternatively, we could
657 * sv_upgrade to avoid this.
658 */
659 {
660 /* swap sv_u */
661 tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u;
662
663 /* if SvANY points to the head, we need to adjust the pointers,
664 * as the pointer for a still points to b, and maybe vice versa.
665 */
666 #define svany_in_head(type) \
667 (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type)))
668
669 if (svany_in_head (SvTYPE (a)))
670 SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a);
671
672 if (svany_in_head (SvTYPE (b)))
673 SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b);
674 }
675#endif
676}
677
646/* swap sv heads, at least logically */ 678/* swap sv heads, at least logically */
647static void 679static void
648swap_svs (pTHX_ Coro__State c) 680swap_svs (pTHX_ Coro__State c)
649{ 681{
650 int i; 682 int i;
651 683
652 for (i = 0; i <= AvFILLp (c->swap_sv); ) 684 for (i = 0; i <= AvFILLp (c->swap_sv); i += 2)
653 { 685 swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]);
654 SV *a = AvARRAY (c->swap_sv)[i++];
655 SV *b = AvARRAY (c->swap_sv)[i++];
656
657 const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */
658 SV tmp;
659
660 /* swap sv_any */
661 SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp);
662
663 /* swap sv_flags */
664 SvFLAGS (&tmp) = SvFLAGS (a);
665 SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep);
666 SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep);
667
668#if PERL_VERSION_ATLEAST (5,10,0)
669 /* perl 5.10 complicates this _quite_ a bit, but it also is
670 * much faster, so no quarrels here. alternatively, we could
671 * sv_upgrade to avoid this.
672 */
673 {
674 /* swap sv_u */
675 tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u;
676
677 /* if SvANY points to the head, we need to adjust the pointers,
678 * as the pointer for a still points to b, and maybe vice versa.
679 */
680 #define svany_in_head(type) \
681 (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type)))
682
683 if (svany_in_head (SvTYPE (a)))
684 SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a);
685
686 if (svany_in_head (SvTYPE (b)))
687 SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b);
688 }
689#endif
690 }
691} 686}
692 687
693#define SWAP_SVS(coro) \ 688#define SWAP_SVS(coro) \
694 if (ecb_expect_false ((coro)->swap_sv)) \ 689 if (ecb_expect_false ((coro)->swap_sv)) \
695 swap_svs (aTHX_ (coro)) 690 swap_svs (aTHX_ (coro))
… …
707 702
708#if CORO_JIT 703#if CORO_JIT
709 load_perl_slots (slot); 704 load_perl_slots (slot);
710#else 705#else
711 #define VARx(name,expr,type) expr = slot->name; 706 #define VARx(name,expr,type) expr = slot->name;
712 # include "state.h" 707 #include "state.h"
713 #undef VARx
714#endif 708#endif
715 709
716 { 710 {
717 dSP; 711 dSP;
718 712
… …
721 /* now do the ugly restore mess */ 715 /* now do the ugly restore mess */
722 while (ecb_expect_true (cv = (CV *)POPs)) 716 while (ecb_expect_true (cv = (CV *)POPs))
723 { 717 {
724 put_padlist (aTHX_ cv); /* mark this padlist as available */ 718 put_padlist (aTHX_ cv); /* mark this padlist as available */
725 CvDEPTH (cv) = PTR2IV (POPs); 719 CvDEPTH (cv) = PTR2IV (POPs);
726 CvPADLIST (cv) = (AV *)POPs; 720 CvPADLIST (cv) = (PADLIST *)POPs;
727 } 721 }
728 722
729 PUTBACK; 723 PUTBACK;
730 } 724 }
731 725
… …
840 834
841#if CORO_JIT 835#if CORO_JIT
842 save_perl_slots (slot); 836 save_perl_slots (slot);
843#else 837#else
844 #define VARx(name,expr,type) slot->name = expr; 838 #define VARx(name,expr,type) slot->name = expr;
845 # include "state.h" 839 #include "state.h"
846 #undef VARx
847#endif 840#endif
848 } 841 }
849} 842}
850 843
851/* 844/*
… …
995 { 988 {
996 SV **svp = 0; 989 SV **svp = 0;
997 990
998 if (strEQ (s, "__DIE__" )) svp = &PL_diehook; 991 if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
999 if (strEQ (s, "__WARN__")) svp = &PL_warnhook; 992 if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
1000 993
1001 if (svp) 994 if (svp)
1002 { 995 {
1003 SV *ssv; 996 SV *ssv;
1004 997
1005 if (!*svp) 998 if (!*svp)
… …
1111 PL_hints = 0; 1104 PL_hints = 0;
1112 1105
1113 /* recreate the die/warn hooks */ 1106 /* recreate the die/warn hooks */
1114 PL_diehook = SvREFCNT_inc (rv_diehook); 1107 PL_diehook = SvREFCNT_inc (rv_diehook);
1115 PL_warnhook = SvREFCNT_inc (rv_warnhook); 1108 PL_warnhook = SvREFCNT_inc (rv_warnhook);
1116 1109
1117 GvSV (PL_defgv) = newSV (0); 1110 GvSV (PL_defgv) = newSV (0);
1118 GvAV (PL_defgv) = coro->args; coro->args = 0; 1111 GvAV (PL_defgv) = coro->args; coro->args = 0;
1119 GvSV (PL_errgv) = newSV (0); 1112 GvSV (PL_errgv) = newSV (0);
1120 GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); 1113 GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
1121 GvHV (PL_hintgv) = 0; 1114 GvHV (PL_hintgv) = 0;
… …
1414transfer_tail (pTHX) 1407transfer_tail (pTHX)
1415{ 1408{
1416 free_coro_mortal (aTHX); 1409 free_coro_mortal (aTHX);
1417} 1410}
1418 1411
1412/* try to exit the same way perl's main function would do */
1413/* we do not bother resetting the environment or other things *7
1414/* that are not, uhm, essential */
1415/* this obviously also doesn't work when perl is embedded */
1416static void ecb_noinline ecb_cold
1417perlish_exit (pTHX)
1418{
1419 int exitstatus = perl_destruct (PL_curinterp);
1420 perl_free (PL_curinterp);
1421 exit (exitstatus);
1422}
1423
1419/* 1424/*
1420 * this is a _very_ stripped down perl interpreter ;) 1425 * this is a _very_ stripped down perl interpreter ;)
1421 */ 1426 */
1422static void 1427static void
1423cctx_run (void *arg) 1428cctx_run (void *arg)
… …
1450 */ 1455 */
1451 1456
1452 /* 1457 /*
1453 * If perl-run returns we assume exit() was being called or the coro 1458 * If perl-run returns we assume exit() was being called or the coro
1454 * fell off the end, which seems to be the only valid (non-bug) 1459 * fell off the end, which seems to be the only valid (non-bug)
1455 * reason for perl_run to return. We try to exit by jumping to the 1460 * reason for perl_run to return. We try to mimic whatever perl is normally
1456 * bootstrap-time "top" top_env, as we cannot restore the "main" 1461 * doing in that case. YMMV.
1457 * coroutine as Coro has no such concept.
1458 * This actually isn't valid with the pthread backend, but OSes requiring
1459 * that backend are too broken to do it in a standards-compliant way.
1460 */ 1462 */
1461 PL_top_env = main_top_env; 1463 perlish_exit (aTHX);
1462 JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */
1463 } 1464 }
1464} 1465}
1465 1466
1466static coro_cctx * 1467static coro_cctx *
1467cctx_new (void) 1468cctx_new (void)
… …
1482static coro_cctx * 1483static coro_cctx *
1483cctx_new_empty (void) 1484cctx_new_empty (void)
1484{ 1485{
1485 coro_cctx *cctx = cctx_new (); 1486 coro_cctx *cctx = cctx_new ();
1486 1487
1487 cctx->sptr = 0; 1488 cctx->stack.sptr = 0;
1488 coro_create (&cctx->cctx, 0, 0, 0, 0); 1489 coro_create (&cctx->cctx, 0, 0, 0, 0);
1489 1490
1490 return cctx; 1491 return cctx;
1491} 1492}
1492 1493
1493/* create a new cctx suitable as destination/running a perl interpreter */ 1494/* create a new cctx suitable as destination/running a perl interpreter */
1494static coro_cctx * 1495static coro_cctx *
1495cctx_new_run (void) 1496cctx_new_run (void)
1496{ 1497{
1497 coro_cctx *cctx = cctx_new (); 1498 coro_cctx *cctx = cctx_new ();
1498 void *stack_start;
1499 size_t stack_size;
1500 1499
1501#if HAVE_MMAP 1500 if (!coro_stack_alloc (&cctx->stack, cctx_stacksize))
1502 cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;
1503 /* mmap supposedly does allocate-on-write for us */
1504 cctx->sptr = mmap (0, cctx->ssize, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_ANONYMOUS, 0, 0);
1505
1506 if (cctx->sptr != (void *)-1)
1507 {
1508 #if CORO_STACKGUARD
1509 mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE);
1510 #endif
1511 stack_start = (char *)cctx->sptr + CORO_STACKGUARD * PAGESIZE;
1512 stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE;
1513 cctx->flags |= CC_MAPPED;
1514 } 1501 {
1515 else
1516#endif
1517 {
1518 cctx->ssize = cctx_stacksize * (long)sizeof (long);
1519 New (0, cctx->sptr, cctx_stacksize, long);
1520
1521 if (!cctx->sptr)
1522 {
1523 perror ("FATAL: unable to allocate stack for coroutine, exiting."); 1502 perror ("FATAL: unable to allocate stack for coroutine, exiting.");
1524 _exit (EXIT_FAILURE); 1503 _exit (EXIT_FAILURE);
1525 }
1526
1527 stack_start = cctx->sptr;
1528 stack_size = cctx->ssize;
1529 } 1504 }
1530 1505
1531 #if CORO_USE_VALGRIND
1532 cctx->valgrind_id = VALGRIND_STACK_REGISTER ((char *)stack_start, (char *)stack_start + stack_size);
1533 #endif
1534
1535 coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size); 1506 coro_create (&cctx->cctx, cctx_run, (void *)cctx, cctx->stack.sptr, cctx->stack.ssze);
1536 1507
1537 return cctx; 1508 return cctx;
1538} 1509}
1539 1510
1540static void 1511static void
… …
1546 assert (("FATAL: tried to destroy current cctx", cctx != cctx_current)); 1517 assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));
1547 1518
1548 --cctx_count; 1519 --cctx_count;
1549 coro_destroy (&cctx->cctx); 1520 coro_destroy (&cctx->cctx);
1550 1521
1551 /* coro_transfer creates new, empty cctx's */ 1522 coro_stack_free (&cctx->stack);
1552 if (cctx->sptr)
1553 {
1554 #if CORO_USE_VALGRIND
1555 VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
1556 #endif
1557
1558#if HAVE_MMAP
1559 if (cctx->flags & CC_MAPPED)
1560 munmap (cctx->sptr, cctx->ssize);
1561 else
1562#endif
1563 Safefree (cctx->sptr);
1564 }
1565 1523
1566 Safefree (cctx); 1524 Safefree (cctx);
1567} 1525}
1568 1526
1569/* wether this cctx should be destructed */ 1527/* wether this cctx should be destructed */
… …
1588} 1546}
1589 1547
1590static void 1548static void
1591cctx_put (coro_cctx *cctx) 1549cctx_put (coro_cctx *cctx)
1592{ 1550{
1593 assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr)); 1551 assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->stack.sptr));
1594 1552
1595 /* free another cctx if overlimit */ 1553 /* free another cctx if overlimit */
1596 if (ecb_expect_false (cctx_idle >= cctx_max_idle)) 1554 if (ecb_expect_false (cctx_idle >= cctx_max_idle))
1597 { 1555 {
1598 coro_cctx *first = cctx_first; 1556 coro_cctx *first = cctx_first;
… …
1724 return; 1682 return;
1725 1683
1726 slf_destroy (aTHX_ coro); 1684 slf_destroy (aTHX_ coro);
1727 1685
1728 coro->flags |= CF_ZOMBIE; 1686 coro->flags |= CF_ZOMBIE;
1729 1687
1730 if (coro->flags & CF_READY) 1688 if (coro->flags & CF_READY)
1731 { 1689 {
1732 /* reduce nready, as destroying a ready coro effectively unreadies it */ 1690 /* reduce nready, as destroying a ready coro effectively unreadies it */
1733 /* alternative: look through all ready queues and remove the coro */ 1691 /* alternative: look through all ready queues and remove the coro */
1734 --coro_nready; 1692 --coro_nready;
… …
2138 AV *od = coro->on_destroy; 2096 AV *od = coro->on_destroy;
2139 2097
2140 if (!od) 2098 if (!od)
2141 return; 2099 return;
2142 2100
2101 coro->on_destroy = 0;
2102 sv_2mortal ((SV *)od);
2103
2143 while (AvFILLp (od) >= 0) 2104 while (AvFILLp (od) >= 0)
2144 { 2105 {
2145 SV *cb = sv_2mortal (av_pop (od)); 2106 SV *cb = sv_2mortal (av_pop (od));
2146 2107
2147 /* coro hv's (and only hv's at the moment) are supported as well */ 2108 /* coro hv's (and only hv's at the moment) are supported as well */
… …
2167 2128
2168static void 2129static void
2169coro_set_status (pTHX_ struct coro *coro, SV **arg, int items) 2130coro_set_status (pTHX_ struct coro *coro, SV **arg, int items)
2170{ 2131{
2171 AV *av; 2132 AV *av;
2172 2133
2173 if (coro->status) 2134 if (coro->status)
2174 { 2135 {
2175 av = coro->status; 2136 av = coro->status;
2176 av_clear (av); 2137 av_clear (av);
2177 } 2138 }
… …
2224 2185
2225 coro = SvSTATE (arg [0]); 2186 coro = SvSTATE (arg [0]);
2226 coro_hv = coro->hv; 2187 coro_hv = coro->hv;
2227 2188
2228 coro_set_status (aTHX_ coro, arg + 1, items - 1); 2189 coro_set_status (aTHX_ coro, arg + 1, items - 1);
2229 2190
2230 if (ecb_expect_false (coro->flags & CF_NOCANCEL)) 2191 if (ecb_expect_false (coro->flags & CF_NOCANCEL))
2231 { 2192 {
2232 /* coro currently busy cancelling something, so just notify it */ 2193 /* coro currently busy cancelling something, so just notify it */
2233 coro->slf_frame.data = (void *)coro; 2194 coro->slf_frame.data = (void *)coro;
2234 2195
… …
2413 2374
2414static int 2375static int
2415slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) 2376slf_check_rouse_wait (pTHX_ struct CoroSLF *frame)
2416{ 2377{
2417 SV *data = (SV *)frame->data; 2378 SV *data = (SV *)frame->data;
2418 2379
2419 if (CORO_THROW) 2380 if (CORO_THROW)
2420 return 0; 2381 return 0;
2421 2382
2422 if (SvTYPE (SvRV (data)) != SVt_PVAV) 2383 if (SvTYPE (SvRV (data)) != SVt_PVAV)
2423 return 1; 2384 return 1;
… …
2459 cb = sv_2mortal (coro->rouse_cb); 2420 cb = sv_2mortal (coro->rouse_cb);
2460 coro->rouse_cb = 0; 2421 coro->rouse_cb = 0;
2461 } 2422 }
2462 2423
2463 if (!SvROK (cb) 2424 if (!SvROK (cb)
2464 || SvTYPE (SvRV (cb)) != SVt_PVCV 2425 || SvTYPE (SvRV (cb)) != SVt_PVCV
2465 || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) 2426 || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback)
2466 croak ("Coro::rouse_wait called with illegal callback argument,"); 2427 croak ("Coro::rouse_wait called with illegal callback argument,");
2467 2428
2468 { 2429 {
2469 CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ 2430 CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */
… …
3390 int count; 3351 int count;
3391 3352
3392 eval_pv ("require 'Coro/jit-" CORO_JIT_TYPE ".pl'", 1); 3353 eval_pv ("require 'Coro/jit-" CORO_JIT_TYPE ".pl'", 1);
3393 3354
3394 PUSHMARK (SP); 3355 PUSHMARK (SP);
3395#define VARx(name,expr,type) pushav_4uv (aTHX_ (UV)&(expr), sizeof (expr), offsetof (perl_slots, name), sizeof (type)); 3356 #define VARx(name,expr,type) pushav_4uv (aTHX_ (UV)&(expr), sizeof (expr), offsetof (perl_slots, name), sizeof (type));
3396# include "state.h" 3357 #include "state.h"
3397#undef VARx
3398 count = call_pv ("Coro::State::_jit", G_ARRAY); 3358 count = call_pv ("Coro::State::_jit", G_ARRAY);
3399 SPAGAIN; 3359 SPAGAIN;
3400 3360
3401 save = POPs; save_ptr = SvPVbyte (save, save_len); 3361 save = POPs; save_ptr = SvPVbyte (save, save_len);
3402 load = POPs; load_ptr = SvPVbyte (load, load_len); 3362 load = POPs; load_ptr = SvPVbyte (load, load_len);
… …
3434#ifdef USE_ITHREADS 3394#ifdef USE_ITHREADS
3435# if CORO_PTHREAD 3395# if CORO_PTHREAD
3436 coro_thx = PERL_GET_CONTEXT; 3396 coro_thx = PERL_GET_CONTEXT;
3437# endif 3397# endif
3438#endif 3398#endif
3439 BOOT_PAGESIZE;
3440
3441 /* perl defines these to check for existance first, but why it doesn't */ 3399 /* perl defines these to check for existance first, but why it doesn't */
3442 /* just create them one at init time is not clear to me, except for */ 3400 /* just create them one at init time is not clear to me, except for */
3443 /* programs trying to delete them, but... */ 3401 /* programs trying to delete them, but... */
3444 /* anyway, we declare this as invalid and make sure they are initialised here */ 3402 /* anyway, we declare this as invalid and make sure they are initialised here */
3445 DEFSV; 3403 DEFSV;
… …
3515void 3473void
3516transfer (...) 3474transfer (...)
3517 PROTOTYPE: $$ 3475 PROTOTYPE: $$
3518 CODE: 3476 CODE:
3519 CORO_EXECUTE_SLF_XS (slf_init_transfer); 3477 CORO_EXECUTE_SLF_XS (slf_init_transfer);
3520
3521void
3522_exit (int code)
3523 PROTOTYPE: $
3524 CODE:
3525 _exit (code);
3526 3478
3527SV * 3479SV *
3528clone (Coro::State coro) 3480clone (Coro::State coro)
3529 CODE: 3481 CODE:
3530{ 3482{
… …
3585void 3537void
3586list () 3538list ()
3587 PROTOTYPE: 3539 PROTOTYPE:
3588 PPCODE: 3540 PPCODE:
3589{ 3541{
3590 struct coro *coro; 3542 struct coro *coro;
3591 for (coro = coro_first; coro; coro = coro->next) 3543 for (coro = coro_first; coro; coro = coro->next)
3592 if (coro->hv) 3544 if (coro->hv)
3593 XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); 3545 XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv)));
3594} 3546}
3595 3547
… …
3659 RETVAL = boolSV (coro->flags & ix); 3611 RETVAL = boolSV (coro->flags & ix);
3660 OUTPUT: 3612 OUTPUT:
3661 RETVAL 3613 RETVAL
3662 3614
3663void 3615void
3664throw (Coro::State self, SV *exception = &PL_sv_undef) 3616throw (SV *self, SV *exception = &PL_sv_undef)
3665 PROTOTYPE: $;$ 3617 PROTOTYPE: $;$
3666 CODE: 3618 CODE:
3667{ 3619{
3620 struct coro *coro = SvSTATE (self);
3668 struct coro *current = SvSTATE_current; 3621 struct coro *current = SvSTATE_current;
3669 SV **exceptionp = self == current ? &CORO_THROW : &self->except; 3622 SV **exceptionp = coro == current ? &CORO_THROW : &coro->except;
3670 SvREFCNT_dec (*exceptionp); 3623 SvREFCNT_dec (*exceptionp);
3671 SvGETMAGIC (exception); 3624 SvGETMAGIC (exception);
3672 *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; 3625 *exceptionp = SvOK (exception) ? newSVsv (exception) : 0;
3626
3627 api_ready (aTHX_ self);
3673} 3628}
3674 3629
3675void 3630void
3676api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) 3631api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB)
3677 PROTOTYPE: $;$ 3632 PROTOTYPE: $;$
… …
3754 3709
3755void 3710void
3756times (Coro::State self) 3711times (Coro::State self)
3757 PPCODE: 3712 PPCODE:
3758{ 3713{
3759 struct coro *current = SvSTATE (coro_current); 3714 struct coro *current = SvSTATE (coro_current);
3760 3715
3761 if (ecb_expect_false (current == self)) 3716 if (ecb_expect_false (current == self))
3762 { 3717 {
3763 coro_times_update (); 3718 coro_times_update ();
3764 coro_times_add (SvSTATE (coro_current)); 3719 coro_times_add (SvSTATE (coro_current));
… …
3807 3762
3808 sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); 3763 sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle);
3809 sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); 3764 sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro);
3810 cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); 3765 cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler);
3811 CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ 3766 CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */
3812 3767
3813 coro_stash = gv_stashpv ("Coro", TRUE); 3768 coro_stash = gv_stashpv ("Coro", TRUE);
3814 3769
3815 newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); 3770 newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX));
3816 newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); 3771 newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH));
3817 newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); 3772 newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL));
… …
4039 on_leave = 1 3994 on_leave = 1
4040 PROTOTYPE: & 3995 PROTOTYPE: &
4041 CODE: 3996 CODE:
4042{ 3997{
4043 struct coro *coro = SvSTATE_current; 3998 struct coro *coro = SvSTATE_current;
4044 AV **avp = ix ? &coro->on_leave : &coro->on_enter; 3999 AV **avp = ix ? &coro->on_leave : &coro->on_enter;
4045 4000
4046 block = s_get_cv_croak (block); 4001 block = s_get_cv_croak (block);
4047 4002
4048 if (!*avp) 4003 if (!*avp)
4049 *avp = newAV (); 4004 *avp = newAV ();
… …
4069 4024
4070SV * 4025SV *
4071new (SV *klass, SV *count = 0) 4026new (SV *klass, SV *count = 0)
4072 CODE: 4027 CODE:
4073{ 4028{
4074 int semcnt = 1; 4029 int semcnt = 1;
4075 4030
4076 if (count) 4031 if (count)
4077 { 4032 {
4078 SvGETMAGIC (count); 4033 SvGETMAGIC (count);
4079 4034
… …
4139 XSRETURN_NO; 4094 XSRETURN_NO;
4140} 4095}
4141 4096
4142void 4097void
4143waiters (SV *self) 4098waiters (SV *self)
4144 PPCODE: 4099 PPCODE:
4145{ 4100{
4146 AV *av = (AV *)SvRV (self); 4101 AV *av = (AV *)SvRV (self);
4147 int wcount = AvFILLp (av) + 1 - 1; 4102 int wcount = AvFILLp (av) + 1 - 1;
4148 4103
4149 if (GIMME_V == G_SCALAR) 4104 if (GIMME_V == G_SCALAR)
… …
4161 4116
4162void 4117void
4163_may_delete (SV *sem, int count, unsigned int extra_refs) 4118_may_delete (SV *sem, int count, unsigned int extra_refs)
4164 PPCODE: 4119 PPCODE:
4165{ 4120{
4166 AV *av = (AV *)SvRV (sem); 4121 AV *av = (AV *)SvRV (sem);
4167 4122
4168 if (SvREFCNT ((SV *)av) == 1 + extra_refs 4123 if (SvREFCNT ((SV *)av) == 1 + extra_refs
4169 && AvFILLp (av) == 0 /* no waiters, just count */ 4124 && AvFILLp (av) == 0 /* no waiters, just count */
4170 && SvIV (AvARRAY (av)[0]) == count) 4125 && SvIV (AvARRAY (av)[0]) == count)
4171 XSRETURN_YES; 4126 XSRETURN_YES;
… …
4192 4147
4193void 4148void
4194broadcast (SV *self) 4149broadcast (SV *self)
4195 CODE: 4150 CODE:
4196{ 4151{
4197 AV *av = (AV *)SvRV (self); 4152 AV *av = (AV *)SvRV (self);
4198 coro_signal_wake (aTHX_ av, AvFILLp (av)); 4153 coro_signal_wake (aTHX_ av, AvFILLp (av));
4199} 4154}
4200 4155
4201void 4156void
4202send (SV *self) 4157send (SV *self)
… …
4210 SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ 4165 SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */
4211} 4166}
4212 4167
4213IV 4168IV
4214awaited (SV *self) 4169awaited (SV *self)
4215 CODE: 4170 CODE:
4216 RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; 4171 RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1;
4217 OUTPUT: 4172 OUTPUT:
4218 RETVAL 4173 RETVAL
4219 4174
4220 4175
… …
4225 4180
4226void 4181void
4227_schedule (...) 4182_schedule (...)
4228 CODE: 4183 CODE:
4229{ 4184{
4230 static int incede; 4185 static int incede;
4231 4186
4232 api_cede_notself (aTHX); 4187 api_cede_notself (aTHX);
4233 4188
4234 ++incede; 4189 ++incede;
4235 while (coro_nready >= incede && api_cede (aTHX)) 4190 while (coro_nready >= incede && api_cede (aTHX))
… …
4279 { 4234 {
4280 PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; 4235 PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect;
4281 coro_old_pp_sselect = 0; 4236 coro_old_pp_sselect = 0;
4282 } 4237 }
4283 4238
4239MODULE = Coro::State PACKAGE = Coro::Util
4240
4241void
4242_exit (int code)
4243 CODE:
4244 _exit (code);
4245
4246NV
4247time ()
4248 CODE:
4249 RETVAL = nvtime (aTHX);
4250 OUTPUT:
4251 RETVAL
4252
4253NV
4254gettimeofday ()
4255 PPCODE:
4256{
4257 UV tv [2];
4258 u2time (aTHX_ tv);
4259 EXTEND (SP, 2);
4260 PUSHs (sv_2mortal (newSVuv (tv [0])));
4261 PUSHs (sv_2mortal (newSVuv (tv [1])));
4262}
4263

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