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Comparing Coro/Coro/State.xs (file contents):
Revision 1.414 by root, Wed Jun 29 16:08:31 2011 UTC vs.
Revision 1.454 by root, Tue Jul 7 00:38:03 2015 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
19#define ECB_NO_LIBM 1
17#include "ecb.h" 20#include "ecb.h"
18 21
19#include <stddef.h> 22#include <stddef.h>
20#include <stdio.h> 23#include <stdio.h>
21#include <errno.h> 24#include <errno.h>
22#include <assert.h> 25#include <assert.h>
23 26
27#ifndef SvREFCNT_dec_NN
28 #define SvREFCNT_dec_NN(sv) SvREFCNT_dec (sv)
29#endif
30
31#ifndef SvREFCNT_inc_NN
32 #define SvREFCNT_inc_NN(sv) SvREFCNT_inc (sv)
33#endif
34
24#ifndef SVs_PADSTALE 35#ifndef SVs_PADSTALE
25# define SVs_PADSTALE 0 36# define SVs_PADSTALE 0
37#endif
38
39#ifdef PadARRAY
40# define NEWPADAPI 1
41# define newPADLIST(var) (Newz (0, var, 1, PADLIST), Newx (PadlistARRAY (var), 2, PAD *))
42#else
43typedef AV PADNAMELIST;
44# if !PERL_VERSION_ATLEAST(5,8,0)
45typedef AV PADLIST;
46typedef AV PAD;
47# endif
48# define PadlistARRAY(pl) ((PAD **)AvARRAY (pl))
49# define PadlistMAX(pl) AvFILLp (pl)
50# define PadlistNAMES(pl) (*PadlistARRAY (pl))
51# define PadARRAY AvARRAY
52# define PadMAX AvFILLp
53# define newPADLIST(var) ((var) = newAV (), av_extend (var, 1))
54#endif
55#ifndef PadnamelistREFCNT
56# define PadnamelistREFCNT(pnl) SvREFCNT (pnl)
57#endif
58#ifndef PadnamelistREFCNT_dec
59# define PadnamelistREFCNT_dec(pnl) SvREFCNT_dec (pnl)
60#endif
61
62/* 5.19.something has replaced SVt_BIND by SVt_INVLIST */
63/* we just alias it to SVt_IV, as that is sufficient for swap_sv for now */
64#if PERL_VERSION_ATLEAST(5,19,0)
65# define SVt_BIND SVt_IV
26#endif 66#endif
27 67
28#if defined(_WIN32) 68#if defined(_WIN32)
29# undef HAS_GETTIMEOFDAY 69# undef HAS_GETTIMEOFDAY
30# undef setjmp 70# undef setjmp
… …
33# define setjmp _setjmp /* deep magic */ 73# define setjmp _setjmp /* deep magic */
34#else 74#else
35# include <inttypes.h> /* most portable stdint.h */ 75# include <inttypes.h> /* most portable stdint.h */
36#endif 76#endif
37 77
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 */ 78/* the maximum number of idle cctx that will be pooled */
66static int cctx_max_idle = 4; 79static int cctx_max_idle = 4;
67 80
68#if defined(DEBUGGING) && PERL_VERSION_ATLEAST(5,12,0) 81#if defined(DEBUGGING) && PERL_VERSION_ATLEAST(5,12,0)
69# define HAS_SCOPESTACK_NAME 1 82# 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 83#endif
79 84
80/* prefer perl internal functions over our own? */ 85/* prefer perl internal functions over our own? */
81#ifndef CORO_PREFER_PERL_FUNCTIONS 86#ifndef CORO_PREFER_PERL_FUNCTIONS
82# define CORO_PREFER_PERL_FUNCTIONS 0 87# define CORO_PREFER_PERL_FUNCTIONS 0
… …
101# if CORO_PTHREAD 106# if CORO_PTHREAD
102static void *coro_thx; 107static void *coro_thx;
103# endif 108# endif
104#endif 109#endif
105 110
106/* used in state.h */
107#define VAR(name,type) VARx(name, PL_ ## name, type)
108
109#ifdef __linux 111#ifdef __linux
110# include <time.h> /* for timespec */ 112# include <time.h> /* for timespec */
111# include <syscall.h> /* for SYS_* */ 113# include <syscall.h> /* for SYS_* */
112# ifdef SYS_clock_gettime 114# ifdef SYS_clock_gettime
113# define coro_clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) 115# define coro_clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
… …
176typedef struct coro_cctx 178typedef struct coro_cctx
177{ 179{
178 struct coro_cctx *next; 180 struct coro_cctx *next;
179 181
180 /* the stack */ 182 /* the stack */
181 void *sptr; 183 struct coro_stack stack;
182 size_t ssize;
183 184
184 /* cpu state */ 185 /* cpu state */
185 void *idle_sp; /* sp of top-level transfer/schedule/cede call */ 186 void *idle_sp; /* sp of top-level transfer/schedule/cede call */
187#ifndef NDEBUG
186 JMPENV *idle_te; /* same as idle_sp, but for top_env, TODO: remove once stable */ 188 JMPENV *idle_te; /* same as idle_sp, but for top_env */
189#endif
187 JMPENV *top_env; 190 JMPENV *top_env;
188 coro_context cctx; 191 coro_context cctx;
189 192
190 U32 gen; 193 U32 gen;
191#if CORO_USE_VALGRIND 194#if CORO_USE_VALGRIND
… …
211}; 214};
212 215
213/* the structure where most of the perl state is stored, overlaid on the cxstack */ 216/* the structure where most of the perl state is stored, overlaid on the cxstack */
214typedef struct 217typedef struct
215{ 218{
216#define VARx(name,expr,type) type name; 219 #define VARx(name,expr,type) type name;
217# include "state.h" 220 #include "state.h"
218#undef VARx
219} perl_slots; 221} perl_slots;
220 222
221/* how many context stack entries do we need for perl_slots */ 223/* 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)) 224#define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT))
223 225
… …
254 SV *saved_deffh; 256 SV *saved_deffh;
255 SV *invoke_cb; 257 SV *invoke_cb;
256 AV *invoke_av; 258 AV *invoke_av;
257 259
258 /* on_enter/on_leave */ 260 /* on_enter/on_leave */
259 AV *on_enter; 261 AV *on_enter; AV *on_enter_xs;
260 AV *on_leave; 262 AV *on_leave; AV *on_leave_xs;
261 263
262 /* swap_sv */ 264 /* swap_sv */
263 AV *swap_sv; 265 AV *swap_sv;
264 266
265 /* times */ 267 /* times */
… …
295#define coro_nready coroapi.nready 297#define coro_nready coroapi.nready
296 298
297/** JIT *********************************************************************/ 299/** JIT *********************************************************************/
298 300
299#if CORO_JIT 301#if CORO_JIT
300 /* APPLE doesn't have HAVE_MMAP though */ 302 /* APPLE doesn't have mmap though */
301 #define CORO_JIT_UNIXY (__linux || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __solaris || __APPLE__) 303 #define CORO_JIT_UNIXY (__linux || __FreeBSD__ || __OpenBSD__ || __NetBSD__ || __solaris || __APPLE__)
302 #ifndef CORO_JIT_TYPE 304 #ifndef CORO_JIT_TYPE
303 #if __x86_64 && CORO_JIT_UNIXY 305 #if ECB_AMD64 && CORO_JIT_UNIXY
304 #define CORO_JIT_TYPE "amd64-unix" 306 #define CORO_JIT_TYPE "amd64-unix"
305 #elif __i386 && CORO_JIT_UNIXY 307 #elif __i386 && CORO_JIT_UNIXY
306 #define CORO_JIT_TYPE "x86-unix" 308 #define CORO_JIT_TYPE "x86-unix"
307 #endif 309 #endif
308 #endif 310 #endif
309#endif 311#endif
310 312
311#if !defined(CORO_JIT_TYPE) || !HAVE_MMAP 313#if !defined(CORO_JIT_TYPE) || _POSIX_MEMORY_PROTECTION <= 0
312 #undef CORO_JIT 314 #undef CORO_JIT
313#endif 315#endif
314 316
315#if CORO_JIT 317#if CORO_JIT
316 typedef void (*load_save_perl_slots_type)(perl_slots *); 318 typedef void (*load_save_perl_slots_type)(perl_slots *);
… …
373time_init (pTHX) 375time_init (pTHX)
374{ 376{
375 SV **svp; 377 SV **svp;
376 378
377 require_pv ("Time/HiRes.pm"); 379 require_pv ("Time/HiRes.pm");
378 380
379 svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0); 381 svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0);
380 382
381 if (!svp) croak ("Time::HiRes is required, but missing. Caught"); 383 if (!svp) croak ("Time::HiRes is required, but missing. Caught");
382 if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught"); 384 if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer. Caught");
383 385
… …
501 503
502 return 0; 504 return 0;
503} 505}
504 506
505ecb_inline struct coro * 507ecb_inline struct coro *
506SvSTATE_ (pTHX_ SV *coro) 508SvSTATE_ (pTHX_ SV *coro_sv)
507{ 509{
508 MAGIC *mg; 510 MAGIC *mg;
509 511
510 if (SvROK (coro)) 512 if (SvROK (coro_sv))
511 coro = SvRV (coro); 513 coro_sv = SvRV (coro_sv);
512 514
513 mg = SvSTATEhv_p (aTHX_ coro); 515 mg = SvSTATEhv_p (aTHX_ coro_sv);
514 if (!mg) 516 if (!mg)
515 croak ("Coro::State object required"); 517 croak ("Coro::State object required");
516 518
517 return (struct coro *)mg->mg_ptr; 519 return (struct coro *)mg->mg_ptr;
518} 520}
… …
524#define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) 526#define SvSTATE_current SvSTATE_hv (SvRV (coro_current))
525 527
526/*****************************************************************************/ 528/*****************************************************************************/
527/* padlist management and caching */ 529/* padlist management and caching */
528 530
529ecb_inline AV * 531ecb_inline PADLIST *
530coro_derive_padlist (pTHX_ CV *cv) 532coro_derive_padlist (pTHX_ CV *cv)
531{ 533{
532 AV *padlist = CvPADLIST (cv); 534 PADLIST *padlist = CvPADLIST (cv);
533 AV *newpadlist, *newpad; 535 PADLIST *newpadlist;
536 PADNAMELIST *padnames;
537 PAD *newpad;
538 PADOFFSET off = PadlistMAX (padlist) + 1;
534 539
535 newpadlist = newAV (); 540#if NEWPADAPI
541
542 /* if we had the original CvDEPTH, we might be able to steal the CvDEPTH+1 entry instead */
543 /* 20131102194744.GA6705@schmorp.de, 20131102195825.2013.qmail@lists-nntp.develooper.com */
544 while (!PadlistARRAY (padlist)[off - 1])
545 --off;
546
547 Perl_pad_push (aTHX_ padlist, off);
548
549 newpad = PadlistARRAY (padlist)[off];
550 PadlistARRAY (padlist)[off] = 0;
551
552#else
553
554#if PERL_VERSION_ATLEAST (5,10,0)
555 Perl_pad_push (aTHX_ padlist, off);
556#else
557 Perl_pad_push (aTHX_ padlist, off, 1);
558#endif
559
560 newpad = PadlistARRAY (padlist)[off];
561 PadlistMAX (padlist) = off - 1;
562
563#endif
564
565 newPADLIST (newpadlist);
566#if !PERL_VERSION_ATLEAST(5,15,3)
567 /* Padlists are AvREAL as of 5.15.3. See perl bug #98092 and perl commit 7d953ba. */
536 AvREAL_off (newpadlist); 568 AvREAL_off (newpadlist);
537#if PERL_VERSION_ATLEAST (5,10,0)
538 Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);
539#else
540 Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
541#endif 569#endif
542 newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
543 --AvFILLp (padlist);
544 570
545 av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0])); 571 /* Already extended to 2 elements by newPADLIST. */
546 av_store (newpadlist, 1, (SV *)newpad); 572 PadlistMAX (newpadlist) = 1;
573
574 padnames = PadlistNAMES (padlist);
575 ++PadnamelistREFCNT (padnames);
576 PadlistNAMES (newpadlist) = padnames;
577
578 PadlistARRAY (newpadlist)[1] = newpad;
547 579
548 return newpadlist; 580 return newpadlist;
549} 581}
550 582
551ecb_inline void 583ecb_inline void
552free_padlist (pTHX_ AV *padlist) 584free_padlist (pTHX_ PADLIST *padlist)
553{ 585{
554 /* may be during global destruction */ 586 /* may be during global destruction */
555 if (!IN_DESTRUCT) 587 if (!IN_DESTRUCT)
556 { 588 {
557 I32 i = AvFILLp (padlist); 589 I32 i = PadlistMAX (padlist);
558 590
559 while (i > 0) /* special-case index 0 */ 591 while (i > 0) /* special-case index 0 */
560 { 592 {
561 /* we try to be extra-careful here */ 593 /* we try to be extra-careful here */
562 AV *av = (AV *)AvARRAY (padlist)[i--]; 594 PAD *pad = PadlistARRAY (padlist)[i--];
563 I32 j = AvFILLp (av);
564 595
596 if (pad)
597 {
598 I32 j = PadMAX (pad);
599
565 while (j >= 0) 600 while (j >= 0)
566 SvREFCNT_dec (AvARRAY (av)[j--]); 601 SvREFCNT_dec (PadARRAY (pad)[j--]);
567 602
568 AvFILLp (av) = -1; 603 PadMAX (pad) = -1;
569 SvREFCNT_dec (av); 604 SvREFCNT_dec (pad);
605 }
570 } 606 }
571 607
572 SvREFCNT_dec (AvARRAY (padlist)[0]); 608 PadnamelistREFCNT_dec (PadlistNAMES (padlist));
573 609
610#if NEWPADAPI
611 Safefree (PadlistARRAY (padlist));
612 Safefree (padlist);
613#else
574 AvFILLp (padlist) = -1; 614 AvFILLp (padlist) = -1;
615 AvREAL_off (padlist);
575 SvREFCNT_dec ((SV*)padlist); 616 SvREFCNT_dec ((SV*)padlist);
617#endif
576 } 618 }
577} 619}
578 620
579static int 621static int
580coro_cv_free (pTHX_ SV *sv, MAGIC *mg) 622coro_cv_free (pTHX_ SV *sv, MAGIC *mg)
581{ 623{
582 AV *padlist; 624 PADLIST *padlist;
583 AV *av = (AV *)mg->mg_obj; 625 PADLIST **padlists = (PADLIST **)(mg->mg_ptr + sizeof(size_t));
626 size_t len = *(size_t *)mg->mg_ptr;
584 627
585 /* perl manages to free our internal AV and _then_ call us */ 628 /* perl manages to free our internal AV and _then_ call us */
586 if (IN_DESTRUCT) 629 if (IN_DESTRUCT)
587 return 0; 630 return 0;
588 631
589 /* casting is fun. */ 632 while (len--)
590 while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av)))
591 free_padlist (aTHX_ padlist); 633 free_padlist (aTHX_ padlists[len]);
592
593 SvREFCNT_dec (av); /* sv_magicext increased the refcount */
594 634
595 return 0; 635 return 0;
596} 636}
597 637
598static MGVTBL coro_cv_vtbl = { 638static MGVTBL coro_cv_vtbl = {
… …
603/* the next two functions merely cache the padlists */ 643/* the next two functions merely cache the padlists */
604ecb_inline void 644ecb_inline void
605get_padlist (pTHX_ CV *cv) 645get_padlist (pTHX_ CV *cv)
606{ 646{
607 MAGIC *mg = CORO_MAGIC_cv (cv); 647 MAGIC *mg = CORO_MAGIC_cv (cv);
608 AV *av; 648 size_t *lenp;
609 649
610 if (ecb_expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) 650 if (ecb_expect_true (mg && *(lenp = (size_t *)mg->mg_ptr)))
611 CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; 651 CvPADLIST (cv) = ((PADLIST **)(mg->mg_ptr + sizeof(size_t)))[--*lenp];
612 else 652 else
613 { 653 {
614#if CORO_PREFER_PERL_FUNCTIONS 654#if CORO_PREFER_PERL_FUNCTIONS
615 /* this is probably cleaner? but also slower! */ 655 /* this is probably cleaner? but also slower! */
616 /* in practise, it seems to be less stable */ 656 /* in practise, it seems to be less stable */
… …
626 666
627ecb_inline void 667ecb_inline void
628put_padlist (pTHX_ CV *cv) 668put_padlist (pTHX_ CV *cv)
629{ 669{
630 MAGIC *mg = CORO_MAGIC_cv (cv); 670 MAGIC *mg = CORO_MAGIC_cv (cv);
631 AV *av;
632 671
633 if (ecb_expect_false (!mg)) 672 if (ecb_expect_false (!mg))
673 {
634 mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); 674 mg = sv_magicext ((SV *)cv, 0, CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);
675 Newz (0, mg->mg_ptr ,sizeof (size_t) + sizeof (PADLIST *), char);
676 mg->mg_len = 1; /* so mg_free frees mg_ptr */
677 }
678 else
679 Renew (mg->mg_ptr,
680 sizeof(size_t) + (*(size_t *)mg->mg_ptr + 1) * sizeof(PADLIST *),
681 char);
635 682
636 av = (AV *)mg->mg_obj; 683 ((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} 684}
643 685
644/** load & save, init *******************************************************/ 686/** load & save, init *******************************************************/
645 687
688ecb_inline void
689swap_sv (SV *a, SV *b)
690{
691 const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */
692 SV tmp;
693
694 /* swap sv_any */
695 SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp);
696
697 /* swap sv_flags */
698 SvFLAGS (&tmp) = SvFLAGS (a);
699 SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep);
700 SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep);
701
702#if PERL_VERSION_ATLEAST (5,10,0)
703 /* perl 5.10 and later complicates this _quite_ a bit, but it also
704 * is much faster, so no quarrels here. alternatively, we could
705 * sv_upgrade to avoid this.
706 */
707 {
708 /* swap sv_u */
709 tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u;
710
711 /* if SvANY points to the head, we need to adjust the pointers,
712 * as the pointer for a still points to b, and maybe vice versa.
713 */
714 U32 svany_in_head_set = (1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV);
715 #if NVSIZE <= IVSIZE && PERL_VERSION_ATLEAST(5,22,0)
716 svany_in_head_set |= 1 << SVt_NV;
717 #endif
718
719 #define svany_in_head(type) (svany_in_head_set & (1 << (type)))
720
721 if (svany_in_head (SvTYPE (a)))
722 SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a);
723
724 if (svany_in_head (SvTYPE (b)))
725 SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b);
726 }
727#endif
728}
729
646/* swap sv heads, at least logically */ 730/* swap sv heads, at least logically */
647static void 731static void
648swap_svs (pTHX_ Coro__State c) 732swap_svs (pTHX_ Coro__State c)
649{ 733{
650 int i; 734 int i;
651 735
652 for (i = 0; i <= AvFILLp (c->swap_sv); ) 736 for (i = 0; i <= AvFILLp (c->swap_sv); i += 2)
653 { 737 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} 738}
692 739
693#define SWAP_SVS(coro) \ 740#define SWAP_SVS(coro) \
694 if (ecb_expect_false ((coro)->swap_sv)) \ 741 if (ecb_expect_false ((coro)->swap_sv)) \
695 swap_svs (aTHX_ (coro)) 742 swap_svs (aTHX_ (coro))
… …
707 754
708#if CORO_JIT 755#if CORO_JIT
709 load_perl_slots (slot); 756 load_perl_slots (slot);
710#else 757#else
711 #define VARx(name,expr,type) expr = slot->name; 758 #define VARx(name,expr,type) expr = slot->name;
712 # include "state.h" 759 #include "state.h"
713 #undef VARx
714#endif 760#endif
715 761
716 { 762 {
717 dSP; 763 dSP;
718 764
… …
721 /* now do the ugly restore mess */ 767 /* now do the ugly restore mess */
722 while (ecb_expect_true (cv = (CV *)POPs)) 768 while (ecb_expect_true (cv = (CV *)POPs))
723 { 769 {
724 put_padlist (aTHX_ cv); /* mark this padlist as available */ 770 put_padlist (aTHX_ cv); /* mark this padlist as available */
725 CvDEPTH (cv) = PTR2IV (POPs); 771 CvDEPTH (cv) = PTR2IV (POPs);
726 CvPADLIST (cv) = (AV *)POPs; 772 CvPADLIST (cv) = (PADLIST *)POPs;
727 } 773 }
728 774
729 PUTBACK; 775 PUTBACK;
730 } 776 }
731 777
… …
746 792
747 for (i = 0; i <= AvFILLp (c->on_enter); ++i) 793 for (i = 0; i <= AvFILLp (c->on_enter); ++i)
748 on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]); 794 on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]);
749 } 795 }
750 796
797 if (ecb_expect_false (c->on_enter_xs))
798 {
799 int i;
800
801 for (i = 0; i <= AvFILLp (c->on_enter_xs); i += 2)
802 ((coro_enterleave_hook)AvARRAY (c->on_enter_xs)[i]) (aTHX_ AvARRAY (c->on_enter_xs)[i + 1]);
803 }
804
751 SWAP_SVS (c); 805 SWAP_SVS (c);
752} 806}
753 807
754static void 808static void
755save_perl (pTHX_ Coro__State c) 809save_perl (pTHX_ Coro__State c)
756{ 810{
757 SWAP_SVS (c); 811 SWAP_SVS (c);
812
813 if (ecb_expect_false (c->on_leave_xs))
814 {
815 int i;
816
817 for (i = AvFILLp (c->on_leave_xs) - 1; i >= 0; i -= 2)
818 ((coro_enterleave_hook)AvARRAY (c->on_leave_xs)[i]) (aTHX_ AvARRAY (c->on_leave_xs)[i + 1]);
819 }
758 820
759 if (ecb_expect_false (c->on_leave)) 821 if (ecb_expect_false (c->on_leave))
760 { 822 {
761 int i; 823 int i;
762 824
… …
840 902
841#if CORO_JIT 903#if CORO_JIT
842 save_perl_slots (slot); 904 save_perl_slots (slot);
843#else 905#else
844 #define VARx(name,expr,type) slot->name = expr; 906 #define VARx(name,expr,type) slot->name = expr;
845 # include "state.h" 907 #include "state.h"
846 #undef VARx
847#endif 908#endif
848 } 909 }
849} 910}
850 911
851/* 912/*
… …
995 { 1056 {
996 SV **svp = 0; 1057 SV **svp = 0;
997 1058
998 if (strEQ (s, "__DIE__" )) svp = &PL_diehook; 1059 if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
999 if (strEQ (s, "__WARN__")) svp = &PL_warnhook; 1060 if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
1000 1061
1001 if (svp) 1062 if (svp)
1002 { 1063 {
1003 sv_setsv (sv, *svp ? *svp : &PL_sv_undef); 1064 SV *ssv;
1065
1066 if (!*svp)
1067 ssv = &PL_sv_undef;
1068 else if (SvTYPE (*svp) == SVt_PVCV) /* perlio directly stores a CV in warnhook. ugh. */
1069 ssv = sv_2mortal (newRV_inc (*svp));
1070 else
1071 ssv = *svp;
1072
1073 sv_setsv (sv, ssv);
1004 return 0; 1074 return 0;
1005 } 1075 }
1006 } 1076 }
1007 1077
1008 return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; 1078 return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0;
… …
1102 PL_hints = 0; 1172 PL_hints = 0;
1103 1173
1104 /* recreate the die/warn hooks */ 1174 /* recreate the die/warn hooks */
1105 PL_diehook = SvREFCNT_inc (rv_diehook); 1175 PL_diehook = SvREFCNT_inc (rv_diehook);
1106 PL_warnhook = SvREFCNT_inc (rv_warnhook); 1176 PL_warnhook = SvREFCNT_inc (rv_warnhook);
1107 1177
1108 GvSV (PL_defgv) = newSV (0); 1178 GvSV (PL_defgv) = newSV (0);
1109 GvAV (PL_defgv) = coro->args; coro->args = 0; 1179 GvAV (PL_defgv) = coro->args; coro->args = 0;
1110 GvSV (PL_errgv) = newSV (0); 1180 GvSV (PL_errgv) = newSV (0);
1111 GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); 1181 GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
1112 GvHV (PL_hintgv) = 0; 1182 GvHV (PL_hintgv) = newHV ();
1183#if PERL_VERSION_ATLEAST (5,10,0)
1184 hv_magic (GvHV (PL_hintgv), 0, PERL_MAGIC_hints);
1185#endif
1113 PL_rs = newSVsv (GvSV (irsgv)); 1186 PL_rs = newSVsv (GvSV (irsgv));
1114 PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); 1187 PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);
1115 1188
1116 { 1189 {
1117 dSP; 1190 dSP;
… …
1227 1300
1228 SvREFCNT_dec (coro->saved_deffh); 1301 SvREFCNT_dec (coro->saved_deffh);
1229 SvREFCNT_dec (coro->rouse_cb); 1302 SvREFCNT_dec (coro->rouse_cb);
1230 SvREFCNT_dec (coro->invoke_cb); 1303 SvREFCNT_dec (coro->invoke_cb);
1231 SvREFCNT_dec (coro->invoke_av); 1304 SvREFCNT_dec (coro->invoke_av);
1305 SvREFCNT_dec (coro->on_enter_xs);
1306 SvREFCNT_dec (coro->on_leave_xs);
1232 } 1307 }
1233} 1308}
1234 1309
1235ecb_inline void 1310ecb_inline void
1236free_coro_mortal (pTHX) 1311free_coro_mortal (pTHX)
… …
1299 1374
1300 if (PL_curcop != &PL_compiling) 1375 if (PL_curcop != &PL_compiling)
1301 { 1376 {
1302 SV **cb; 1377 SV **cb;
1303 1378
1304 if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB) 1379 if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB && cxstack_ix >= 0)
1305 { 1380 {
1306 PERL_CONTEXT *cx = &cxstack[cxstack_ix]; 1381 PERL_CONTEXT *cx = &cxstack[cxstack_ix];
1307 1382
1308 if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) 1383 if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)
1309 { 1384 {
… …
1405transfer_tail (pTHX) 1480transfer_tail (pTHX)
1406{ 1481{
1407 free_coro_mortal (aTHX); 1482 free_coro_mortal (aTHX);
1408} 1483}
1409 1484
1485/* try to exit the same way perl's main function would do */
1486/* we do not bother resetting the environment or other things *7
1487/* that are not, uhm, essential */
1488/* this obviously also doesn't work when perl is embedded */
1489static void ecb_noinline ecb_cold
1490perlish_exit (pTHX)
1491{
1492 int exitstatus = perl_destruct (PL_curinterp);
1493 perl_free (PL_curinterp);
1494 exit (exitstatus);
1495}
1496
1410/* 1497/*
1411 * this is a _very_ stripped down perl interpreter ;) 1498 * this is a _very_ stripped down perl interpreter ;)
1412 */ 1499 */
1413static void 1500static void
1414cctx_run (void *arg) 1501cctx_run (void *arg)
… …
1441 */ 1528 */
1442 1529
1443 /* 1530 /*
1444 * If perl-run returns we assume exit() was being called or the coro 1531 * If perl-run returns we assume exit() was being called or the coro
1445 * fell off the end, which seems to be the only valid (non-bug) 1532 * fell off the end, which seems to be the only valid (non-bug)
1446 * reason for perl_run to return. We try to exit by jumping to the 1533 * reason for perl_run to return. We try to mimic whatever perl is normally
1447 * bootstrap-time "top" top_env, as we cannot restore the "main" 1534 * doing in that case. YMMV.
1448 * coroutine as Coro has no such concept.
1449 * This actually isn't valid with the pthread backend, but OSes requiring
1450 * that backend are too broken to do it in a standards-compliant way.
1451 */ 1535 */
1452 PL_top_env = main_top_env; 1536 perlish_exit (aTHX);
1453 JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */
1454 } 1537 }
1455} 1538}
1456 1539
1457static coro_cctx * 1540static coro_cctx *
1458cctx_new (void) 1541cctx_new (void)
… …
1473static coro_cctx * 1556static coro_cctx *
1474cctx_new_empty (void) 1557cctx_new_empty (void)
1475{ 1558{
1476 coro_cctx *cctx = cctx_new (); 1559 coro_cctx *cctx = cctx_new ();
1477 1560
1478 cctx->sptr = 0; 1561 cctx->stack.sptr = 0;
1479 coro_create (&cctx->cctx, 0, 0, 0, 0); 1562 coro_create (&cctx->cctx, 0, 0, 0, 0);
1480 1563
1481 return cctx; 1564 return cctx;
1482} 1565}
1483 1566
1484/* create a new cctx suitable as destination/running a perl interpreter */ 1567/* create a new cctx suitable as destination/running a perl interpreter */
1485static coro_cctx * 1568static coro_cctx *
1486cctx_new_run (void) 1569cctx_new_run (void)
1487{ 1570{
1488 coro_cctx *cctx = cctx_new (); 1571 coro_cctx *cctx = cctx_new ();
1489 void *stack_start;
1490 size_t stack_size;
1491 1572
1492#if HAVE_MMAP 1573 if (!coro_stack_alloc (&cctx->stack, cctx_stacksize))
1493 cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;
1494 /* mmap supposedly does allocate-on-write for us */
1495 cctx->sptr = mmap (0, cctx->ssize, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_ANONYMOUS, 0, 0);
1496
1497 if (cctx->sptr != (void *)-1)
1498 {
1499 #if CORO_STACKGUARD
1500 mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE);
1501 #endif
1502 stack_start = (char *)cctx->sptr + CORO_STACKGUARD * PAGESIZE;
1503 stack_size = cctx->ssize - CORO_STACKGUARD * PAGESIZE;
1504 cctx->flags |= CC_MAPPED;
1505 } 1574 {
1506 else
1507#endif
1508 {
1509 cctx->ssize = cctx_stacksize * (long)sizeof (long);
1510 New (0, cctx->sptr, cctx_stacksize, long);
1511
1512 if (!cctx->sptr)
1513 {
1514 perror ("FATAL: unable to allocate stack for coroutine, exiting."); 1575 perror ("FATAL: unable to allocate stack for coroutine, exiting.");
1515 _exit (EXIT_FAILURE); 1576 _exit (EXIT_FAILURE);
1516 }
1517
1518 stack_start = cctx->sptr;
1519 stack_size = cctx->ssize;
1520 } 1577 }
1521 1578
1522 #if CORO_USE_VALGRIND
1523 cctx->valgrind_id = VALGRIND_STACK_REGISTER ((char *)stack_start, (char *)stack_start + stack_size);
1524 #endif
1525
1526 coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size); 1579 coro_create (&cctx->cctx, cctx_run, (void *)cctx, cctx->stack.sptr, cctx->stack.ssze);
1527 1580
1528 return cctx; 1581 return cctx;
1529} 1582}
1530 1583
1531static void 1584static void
… …
1537 assert (("FATAL: tried to destroy current cctx", cctx != cctx_current)); 1590 assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));
1538 1591
1539 --cctx_count; 1592 --cctx_count;
1540 coro_destroy (&cctx->cctx); 1593 coro_destroy (&cctx->cctx);
1541 1594
1542 /* coro_transfer creates new, empty cctx's */ 1595 coro_stack_free (&cctx->stack);
1543 if (cctx->sptr)
1544 {
1545 #if CORO_USE_VALGRIND
1546 VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
1547 #endif
1548
1549#if HAVE_MMAP
1550 if (cctx->flags & CC_MAPPED)
1551 munmap (cctx->sptr, cctx->ssize);
1552 else
1553#endif
1554 Safefree (cctx->sptr);
1555 }
1556 1596
1557 Safefree (cctx); 1597 Safefree (cctx);
1558} 1598}
1559 1599
1560/* wether this cctx should be destructed */ 1600/* wether this cctx should be destructed */
… …
1579} 1619}
1580 1620
1581static void 1621static void
1582cctx_put (coro_cctx *cctx) 1622cctx_put (coro_cctx *cctx)
1583{ 1623{
1584 assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->sptr)); 1624 assert (("FATAL: cctx_put called on non-initialised cctx in Coro (please report)", cctx->stack.sptr));
1585 1625
1586 /* free another cctx if overlimit */ 1626 /* free another cctx if overlimit */
1587 if (ecb_expect_false (cctx_idle >= cctx_max_idle)) 1627 if (ecb_expect_false (cctx_idle >= cctx_max_idle))
1588 { 1628 {
1589 coro_cctx *first = cctx_first; 1629 coro_cctx *first = cctx_first;
… …
1715 return; 1755 return;
1716 1756
1717 slf_destroy (aTHX_ coro); 1757 slf_destroy (aTHX_ coro);
1718 1758
1719 coro->flags |= CF_ZOMBIE; 1759 coro->flags |= CF_ZOMBIE;
1720 1760
1721 if (coro->flags & CF_READY) 1761 if (coro->flags & CF_READY)
1722 { 1762 {
1723 /* reduce nready, as destroying a ready coro effectively unreadies it */ 1763 /* reduce nready, as destroying a ready coro effectively unreadies it */
1724 /* alternative: look through all ready queues and remove the coro */ 1764 /* alternative: look through all ready queues and remove the coro */
1725 --coro_nready; 1765 --coro_nready;
… …
1921 /* nothing to schedule: call the idle handler */ 1961 /* nothing to schedule: call the idle handler */
1922 if (SvROK (sv_idle) 1962 if (SvROK (sv_idle)
1923 && SvOBJECT (SvRV (sv_idle))) 1963 && SvOBJECT (SvRV (sv_idle)))
1924 { 1964 {
1925 if (SvRV (sv_idle) == SvRV (coro_current)) 1965 if (SvRV (sv_idle) == SvRV (coro_current))
1966 {
1967 require_pv ("Carp");
1968
1969 {
1970 dSP;
1971
1972 ENTER;
1973 SAVETMPS;
1974
1975 PUSHMARK (SP);
1926 croak ("FATAL: $Coro::IDLE blocked itself - did you try to block inside an event loop callback? Caught"); 1976 XPUSHs (sv_2mortal (newSVpv ("FATAL: $Coro::idle blocked itself - did you try to block inside an event loop callback? Caught", 0)));
1977 PUTBACK;
1978 call_pv ("Carp::confess", G_VOID | G_DISCARD);
1979
1980 FREETMPS;
1981 LEAVE;
1982 }
1983 }
1927 1984
1928 ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */ 1985 ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */
1929 api_ready (aTHX_ SvRV (sv_idle)); 1986 api_ready (aTHX_ SvRV (sv_idle));
1930 --coro_nready; 1987 --coro_nready;
1931 } 1988 }
… …
2129 AV *od = coro->on_destroy; 2186 AV *od = coro->on_destroy;
2130 2187
2131 if (!od) 2188 if (!od)
2132 return; 2189 return;
2133 2190
2191 coro->on_destroy = 0;
2192 sv_2mortal ((SV *)od);
2193
2134 while (AvFILLp (od) >= 0) 2194 while (AvFILLp (od) >= 0)
2135 { 2195 {
2136 SV *cb = sv_2mortal (av_pop (od)); 2196 SV *cb = sv_2mortal (av_pop (od));
2137 2197
2138 /* coro hv's (and only hv's at the moment) are supported as well */ 2198 /* coro hv's (and only hv's at the moment) are supported as well */
… …
2158 2218
2159static void 2219static void
2160coro_set_status (pTHX_ struct coro *coro, SV **arg, int items) 2220coro_set_status (pTHX_ struct coro *coro, SV **arg, int items)
2161{ 2221{
2162 AV *av; 2222 AV *av;
2163 2223
2164 if (coro->status) 2224 if (coro->status)
2165 { 2225 {
2166 av = coro->status; 2226 av = coro->status;
2167 av_clear (av); 2227 av_clear (av);
2168 } 2228 }
… …
2215 2275
2216 coro = SvSTATE (arg [0]); 2276 coro = SvSTATE (arg [0]);
2217 coro_hv = coro->hv; 2277 coro_hv = coro->hv;
2218 2278
2219 coro_set_status (aTHX_ coro, arg + 1, items - 1); 2279 coro_set_status (aTHX_ coro, arg + 1, items - 1);
2220 2280
2221 if (ecb_expect_false (coro->flags & CF_NOCANCEL)) 2281 if (ecb_expect_false (coro->flags & CF_NOCANCEL))
2222 { 2282 {
2223 /* coro currently busy cancelling something, so just notify it */ 2283 /* coro currently busy cancelling something, so just notify it */
2224 coro->slf_frame.data = (void *)coro; 2284 coro->slf_frame.data = (void *)coro;
2225 2285
… …
2232 slf_init_terminate_cancel_common (aTHX_ frame, coro_hv); 2292 slf_init_terminate_cancel_common (aTHX_ frame, coro_hv);
2233 } 2293 }
2234 else 2294 else
2235 { 2295 {
2236 struct coro *self = SvSTATE_current; 2296 struct coro *self = SvSTATE_current;
2297
2298 if (!self)
2299 croak ("Coro::cancel called outside of thread content,");
2237 2300
2238 /* otherwise we cancel directly, purely for speed reasons 2301 /* otherwise we cancel directly, purely for speed reasons
2239 * unfortunately, this requires some magic trickery, as 2302 * unfortunately, this requires some magic trickery, as
2240 * somebody else could cancel us, so we have to fight the cancellation. 2303 * somebody else could cancel us, so we have to fight the cancellation.
2241 * this is ugly, and hopefully fully worth the extra speed. 2304 * this is ugly, and hopefully fully worth the extra speed.
… …
2404 2467
2405static int 2468static int
2406slf_check_rouse_wait (pTHX_ struct CoroSLF *frame) 2469slf_check_rouse_wait (pTHX_ struct CoroSLF *frame)
2407{ 2470{
2408 SV *data = (SV *)frame->data; 2471 SV *data = (SV *)frame->data;
2409 2472
2410 if (CORO_THROW) 2473 if (CORO_THROW)
2411 return 0; 2474 return 0;
2412 2475
2413 if (SvTYPE (SvRV (data)) != SVt_PVAV) 2476 if (SvTYPE (SvRV (data)) != SVt_PVAV)
2414 return 1; 2477 return 1;
… …
2450 cb = sv_2mortal (coro->rouse_cb); 2513 cb = sv_2mortal (coro->rouse_cb);
2451 coro->rouse_cb = 0; 2514 coro->rouse_cb = 0;
2452 } 2515 }
2453 2516
2454 if (!SvROK (cb) 2517 if (!SvROK (cb)
2455 || SvTYPE (SvRV (cb)) != SVt_PVCV 2518 || SvTYPE (SvRV (cb)) != SVt_PVCV
2456 || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback) 2519 || CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback)
2457 croak ("Coro::rouse_wait called with illegal callback argument,"); 2520 croak ("Coro::rouse_wait called with illegal callback argument,");
2458 2521
2459 { 2522 {
2460 CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */ 2523 CV *cv = (CV *)SvRV (cb); /* for S_GENSUB_ARG */
… …
2583 2646
2584/* "undo"/cancel a running slf call - used when cancelling a coro, mainly */ 2647/* "undo"/cancel a running slf call - used when cancelling a coro, mainly */
2585static void 2648static void
2586slf_destroy (pTHX_ struct coro *coro) 2649slf_destroy (pTHX_ struct coro *coro)
2587{ 2650{
2588 /* this callback is reserved for slf functions needing to do cleanup */ 2651 struct CoroSLF frame = coro->slf_frame;
2589 if (coro->slf_frame.destroy && coro->slf_frame.prepare && !PL_dirty)
2590 coro->slf_frame.destroy (aTHX_ &coro->slf_frame);
2591 2652
2592 /* 2653 /*
2593 * The on_destroy above most likely is from an SLF call. 2654 * The on_destroy below most likely is from an SLF call.
2594 * Since by definition the SLF call will not finish when we destroy 2655 * Since by definition the SLF call will not finish when we destroy
2595 * the coro, we will have to force-finish it here, otherwise 2656 * the coro, we will have to force-finish it here, otherwise
2596 * cleanup functions cannot call SLF functions. 2657 * cleanup functions cannot call SLF functions.
2597 */ 2658 */
2598 coro->slf_frame.prepare = 0; 2659 coro->slf_frame.prepare = 0;
2660
2661 /* this callback is reserved for slf functions needing to do cleanup */
2662 if (frame.destroy && frame.prepare && !PL_dirty)
2663 frame.destroy (aTHX_ &frame);
2599} 2664}
2600 2665
2601/* 2666/*
2602 * these not obviously related functions are all rolled into one 2667 * these not obviously related functions are all rolled into one
2603 * function to increase chances that they all will call transfer with the same 2668 * function to increase chances that they all will call transfer with the same
… …
2786static void 2851static void
2787coro_pop_on_leave (pTHX_ void *coro) 2852coro_pop_on_leave (pTHX_ void *coro)
2788{ 2853{
2789 SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_leave); 2854 SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_leave);
2790 on_enterleave_call (aTHX_ sv_2mortal (cb)); 2855 on_enterleave_call (aTHX_ sv_2mortal (cb));
2856}
2857
2858static void
2859enterleave_hook_xs (pTHX_ struct coro *coro, AV **avp, coro_enterleave_hook hook, void *arg)
2860{
2861 if (!hook)
2862 return;
2863
2864 if (!*avp)
2865 {
2866 *avp = newAV ();
2867 AvREAL_off (*avp);
2868 }
2869
2870 av_push (*avp, (SV *)hook);
2871 av_push (*avp, (SV *)arg);
2872}
2873
2874static void
2875enterleave_unhook_xs (pTHX_ struct coro *coro, AV **avp, coro_enterleave_hook hook, int execute)
2876{
2877 AV *av = *avp;
2878 int i;
2879
2880 if (!av)
2881 return;
2882
2883 for (i = AvFILLp (av) - 1; i >= 0; i -= 2)
2884 if (AvARRAY (av)[i] == (SV *)hook)
2885 {
2886 if (execute)
2887 hook (aTHX_ (void *)AvARRAY (av)[i + 1]);
2888
2889 memmove (AvARRAY (av) + i, AvARRAY (av) + i + 2, AvFILLp (av) - i - 1);
2890 av_pop (av);
2891 av_pop (av);
2892 break;
2893 }
2894
2895 if (AvFILLp (av) >= 0)
2896 {
2897 *avp = 0;
2898 SvREFCNT_dec_NN (av);
2899 }
2900}
2901
2902static void
2903api_enterleave_hook (pTHX_ SV *coro_sv, coro_enterleave_hook enter, void *enter_arg, coro_enterleave_hook leave, void *leave_arg)
2904{
2905 struct coro *coro = SvSTATE (coro_sv);
2906
2907 if (SvSTATE_current == coro)
2908 if (enter)
2909 enter (aTHX_ enter_arg);
2910
2911 enterleave_hook_xs (aTHX_ coro, &coro->on_enter_xs, enter, enter_arg);
2912 enterleave_hook_xs (aTHX_ coro, &coro->on_leave_xs, leave, leave_arg);
2913}
2914
2915static void
2916api_enterleave_unhook (pTHX_ SV *coro_sv, coro_enterleave_hook enter, coro_enterleave_hook leave)
2917{
2918 struct coro *coro = SvSTATE (coro_sv);
2919
2920 enterleave_unhook_xs (aTHX_ coro, &coro->on_enter_xs, enter, 0);
2921 enterleave_unhook_xs (aTHX_ coro, &coro->on_leave_xs, leave, SvSTATE_current == coro);
2922}
2923
2924static void
2925savedestructor_unhook_enter (pTHX_ coro_enterleave_hook enter)
2926{
2927 struct coro *coro = SvSTATE_current;
2928
2929 enterleave_unhook_xs (aTHX_ coro, &coro->on_enter_xs, enter, 0);
2930}
2931
2932static void
2933savedestructor_unhook_leave (pTHX_ coro_enterleave_hook leave)
2934{
2935 struct coro *coro = SvSTATE_current;
2936
2937 enterleave_unhook_xs (aTHX_ coro, &coro->on_leave_xs, leave, 1);
2938}
2939
2940static void
2941api_enterleave_scope_hook (pTHX_ coro_enterleave_hook enter, void *enter_arg, coro_enterleave_hook leave, void *leave_arg)
2942{
2943 api_enterleave_hook (aTHX_ coro_current, enter, enter_arg, leave, leave_arg);
2944
2945 /* this ought to be much cheaper than malloc + a single destructor call */
2946 if (enter) SAVEDESTRUCTOR_X (savedestructor_unhook_enter, enter);
2947 if (leave) SAVEDESTRUCTOR_X (savedestructor_unhook_leave, leave);
2791} 2948}
2792 2949
2793/*****************************************************************************/ 2950/*****************************************************************************/
2794/* PerlIO::cede */ 2951/* PerlIO::cede */
2795 2952
… …
2925 XPUSHs (sv_2mortal (newRV_inc ((SV *)av))); 3082 XPUSHs (sv_2mortal (newRV_inc ((SV *)av)));
2926 PUTBACK; 3083 PUTBACK;
2927 call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR); 3084 call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR);
2928 } 3085 }
2929 3086
2930 SvREFCNT_dec (cb); 3087 SvREFCNT_dec_NN (cb);
2931 } 3088 }
2932} 3089}
2933 3090
2934static void 3091static void
2935coro_semaphore_destroy (pTHX_ struct CoroSLF *frame) 3092coro_semaphore_destroy (pTHX_ struct CoroSLF *frame)
… …
2943{ 3100{
2944 AV *av = (AV *)frame->data; 3101 AV *av = (AV *)frame->data;
2945 SV *count_sv = AvARRAY (av)[0]; 3102 SV *count_sv = AvARRAY (av)[0];
2946 SV *coro_hv = SvRV (coro_current); 3103 SV *coro_hv = SvRV (coro_current);
2947 3104
3105 frame->destroy = 0;
3106
2948 /* if we are about to throw, don't actually acquire the lock, just throw */ 3107 /* if we are about to throw, don't actually acquire the lock, just throw */
2949 if (CORO_THROW) 3108 if (ecb_expect_false (CORO_THROW))
3109 {
3110 /* we still might be responsible for the semaphore, so wake up others */
3111 coro_semaphore_adjust (aTHX_ av, 0);
3112
2950 return 0; 3113 return 0;
3114 }
2951 else if (SvIVX (count_sv) > 0) 3115 else if (SvIVX (count_sv) > 0)
2952 { 3116 {
2953 frame->destroy = 0;
2954
2955 if (acquire) 3117 if (acquire)
2956 SvIVX (count_sv) = SvIVX (count_sv) - 1; 3118 SvIVX (count_sv) = SvIVX (count_sv) - 1;
2957 else 3119 else
2958 coro_semaphore_adjust (aTHX_ av, 0); 3120 coro_semaphore_adjust (aTHX_ av, 0);
2959 3121
… …
3070 { 3232 {
3071 api_ready (aTHX_ cb); 3233 api_ready (aTHX_ cb);
3072 sv_setiv (cb, 0); /* signal waiter */ 3234 sv_setiv (cb, 0); /* signal waiter */
3073 } 3235 }
3074 3236
3075 SvREFCNT_dec (cb); 3237 SvREFCNT_dec_NN (cb);
3076 3238
3077 --count; 3239 --count;
3078 } 3240 }
3079} 3241}
3080 3242
… …
3165 } 3327 }
3166 3328
3167 av_push (state, data_sv); 3329 av_push (state, data_sv);
3168 3330
3169 api_ready (aTHX_ coro); 3331 api_ready (aTHX_ coro);
3170 SvREFCNT_dec (coro); 3332 SvREFCNT_dec_NN (coro);
3171 SvREFCNT_dec ((AV *)state); 3333 SvREFCNT_dec_NN ((AV *)state);
3172} 3334}
3173 3335
3174static int 3336static int
3175slf_check_aio_req (pTHX_ struct CoroSLF *frame) 3337slf_check_aio_req (pTHX_ struct CoroSLF *frame)
3176{ 3338{
… …
3181 /* it quickly returns */ 3343 /* it quickly returns */
3182 if (CORO_THROW) 3344 if (CORO_THROW)
3183 return 0; 3345 return 0;
3184 3346
3185 /* one element that is an RV? repeat! */ 3347 /* one element that is an RV? repeat! */
3186 if (AvFILLp (state) == 0 && SvROK (AvARRAY (state)[0])) 3348 if (AvFILLp (state) == 0 && SvTYPE (AvARRAY (state)[0]) != SVt_PV)
3187 return 1; 3349 return 1;
3188 3350
3189 /* restore status */ 3351 /* restore status */
3190 { 3352 {
3191 SV *data_sv = av_pop (state); 3353 SV *data_sv = av_pop (state);
… …
3194 errno = data->errorno; 3356 errno = data->errorno;
3195 PL_laststype = data->laststype; 3357 PL_laststype = data->laststype;
3196 PL_laststatval = data->laststatval; 3358 PL_laststatval = data->laststatval;
3197 PL_statcache = data->statcache; 3359 PL_statcache = data->statcache;
3198 3360
3199 SvREFCNT_dec (data_sv); 3361 SvREFCNT_dec_NN (data_sv);
3200 } 3362 }
3201 3363
3202 /* push result values */ 3364 /* push result values */
3203 { 3365 {
3204 dSP; 3366 dSP;
… …
3381 int count; 3543 int count;
3382 3544
3383 eval_pv ("require 'Coro/jit-" CORO_JIT_TYPE ".pl'", 1); 3545 eval_pv ("require 'Coro/jit-" CORO_JIT_TYPE ".pl'", 1);
3384 3546
3385 PUSHMARK (SP); 3547 PUSHMARK (SP);
3386#define VARx(name,expr,type) pushav_4uv (aTHX_ (UV)&(expr), sizeof (expr), offsetof (perl_slots, name), sizeof (type)); 3548 #define VARx(name,expr,type) pushav_4uv (aTHX_ (UV)&(expr), sizeof (expr), offsetof (perl_slots, name), sizeof (type));
3387# include "state.h" 3549 #include "state.h"
3388#undef VARx
3389 count = call_pv ("Coro::State::_jit", G_ARRAY); 3550 count = call_pv ("Coro::State::_jit", G_ARRAY);
3390 SPAGAIN; 3551 SPAGAIN;
3391 3552
3392 save = POPs; save_ptr = SvPVbyte (save, save_len); 3553 save = POPs; save_ptr = SvPVbyte (save, save_len);
3393 load = POPs; load_ptr = SvPVbyte (load, load_len); 3554 load = POPs; load_ptr = SvPVbyte (load, load_len);
… …
3420 3581
3421PROTOTYPES: DISABLE 3582PROTOTYPES: DISABLE
3422 3583
3423BOOT: 3584BOOT:
3424{ 3585{
3586#define VARx(name,expr,type) if (sizeof (type) < sizeof (expr)) croak ("FATAL: Coro thread context slot '" # name "' too small for this version of perl.");
3587#include "state.h"
3425#ifdef USE_ITHREADS 3588#ifdef USE_ITHREADS
3426# if CORO_PTHREAD 3589# if CORO_PTHREAD
3427 coro_thx = PERL_GET_CONTEXT; 3590 coro_thx = PERL_GET_CONTEXT;
3428# endif 3591# endif
3429#endif 3592#endif
3430 BOOT_PAGESIZE;
3431
3432 /* perl defines these to check for existance first, but why it doesn't */ 3593 /* perl defines these to check for existance first, but why it doesn't */
3433 /* just create them one at init time is not clear to me, except for */ 3594 /* just create them one at init time is not clear to me, except for */
3434 /* programs trying to delete them, but... */ 3595 /* programs trying to delete them, but... */
3435 /* anyway, we declare this as invalid and make sure they are initialised here */ 3596 /* anyway, we declare this as invalid and make sure they are initialised here */
3436 DEFSV; 3597 DEFSV;
… …
3506void 3667void
3507transfer (...) 3668transfer (...)
3508 PROTOTYPE: $$ 3669 PROTOTYPE: $$
3509 CODE: 3670 CODE:
3510 CORO_EXECUTE_SLF_XS (slf_init_transfer); 3671 CORO_EXECUTE_SLF_XS (slf_init_transfer);
3511
3512void
3513_exit (int code)
3514 PROTOTYPE: $
3515 CODE:
3516 _exit (code);
3517 3672
3518SV * 3673SV *
3519clone (Coro::State coro) 3674clone (Coro::State coro)
3520 CODE: 3675 CODE:
3521{ 3676{
… …
3576void 3731void
3577list () 3732list ()
3578 PROTOTYPE: 3733 PROTOTYPE:
3579 PPCODE: 3734 PPCODE:
3580{ 3735{
3581 struct coro *coro; 3736 struct coro *coro;
3582 for (coro = coro_first; coro; coro = coro->next) 3737 for (coro = coro_first; coro; coro = coro->next)
3583 if (coro->hv) 3738 if (coro->hv)
3584 XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv))); 3739 XPUSHs (sv_2mortal (newRV_inc ((SV *)coro->hv)));
3585} 3740}
3586 3741
… …
3650 RETVAL = boolSV (coro->flags & ix); 3805 RETVAL = boolSV (coro->flags & ix);
3651 OUTPUT: 3806 OUTPUT:
3652 RETVAL 3807 RETVAL
3653 3808
3654void 3809void
3655throw (Coro::State self, SV *exception = &PL_sv_undef) 3810throw (SV *self, SV *exception = &PL_sv_undef)
3656 PROTOTYPE: $;$ 3811 PROTOTYPE: $;$
3657 CODE: 3812 CODE:
3658{ 3813{
3814 struct coro *coro = SvSTATE (self);
3659 struct coro *current = SvSTATE_current; 3815 struct coro *current = SvSTATE_current;
3660 SV **exceptionp = self == current ? &CORO_THROW : &self->except; 3816 SV **exceptionp = coro == current ? &CORO_THROW : &coro->except;
3661 SvREFCNT_dec (*exceptionp); 3817 SvREFCNT_dec (*exceptionp);
3662 SvGETMAGIC (exception); 3818 SvGETMAGIC (exception);
3663 *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; 3819 *exceptionp = SvOK (exception) ? newSVsv (exception) : 0;
3820
3821 api_ready (aTHX_ self);
3664} 3822}
3665 3823
3666void 3824void
3667api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) 3825api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB)
3668 PROTOTYPE: $;$ 3826 PROTOTYPE: $;$
… …
3745 3903
3746void 3904void
3747times (Coro::State self) 3905times (Coro::State self)
3748 PPCODE: 3906 PPCODE:
3749{ 3907{
3750 struct coro *current = SvSTATE (coro_current); 3908 struct coro *current = SvSTATE (coro_current);
3751 3909
3752 if (ecb_expect_false (current == self)) 3910 if (ecb_expect_false (current == self))
3753 { 3911 {
3754 coro_times_update (); 3912 coro_times_update ();
3755 coro_times_add (SvSTATE (coro_current)); 3913 coro_times_add (SvSTATE (coro_current));
… …
3785 3943
3786MODULE = Coro::State PACKAGE = Coro 3944MODULE = Coro::State PACKAGE = Coro
3787 3945
3788BOOT: 3946BOOT:
3789{ 3947{
3948 if (SVt_LAST > 32)
3949 croak ("Coro internal error: SVt_LAST > 32, swap_sv might need adjustment");
3950
3790 sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); 3951 sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
3791 sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); 3952 sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
3792 cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD); 3953 cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD);
3793 coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); 3954 coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);
3794 av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); 3955 av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
… …
3798 3959
3799 sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); 3960 sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle);
3800 sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); 3961 sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro);
3801 cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); 3962 cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler);
3802 CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */ 3963 CvNODEBUG_on (get_cv ("Coro::_pool_handler", 0)); /* work around a debugger bug */
3803 3964
3804 coro_stash = gv_stashpv ("Coro", TRUE); 3965 coro_stash = gv_stashpv ("Coro", TRUE);
3805 3966
3806 newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX)); 3967 newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX));
3807 newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH)); 3968 newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH));
3808 newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL)); 3969 newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL));
… …
3820 coroapi.ready = api_ready; 3981 coroapi.ready = api_ready;
3821 coroapi.is_ready = api_is_ready; 3982 coroapi.is_ready = api_is_ready;
3822 coroapi.nready = coro_nready; 3983 coroapi.nready = coro_nready;
3823 coroapi.current = coro_current; 3984 coroapi.current = coro_current;
3824 3985
3986 coroapi.enterleave_hook = api_enterleave_hook;
3987 coroapi.enterleave_unhook = api_enterleave_unhook;
3988 coroapi.enterleave_scope_hook = api_enterleave_scope_hook;
3989
3825 /*GCoroAPI = &coroapi;*/ 3990 /*GCoroAPI = &coroapi;*/
3826 sv_setiv (sv, (IV)&coroapi); 3991 sv_setiv (sv, (IV)&coroapi);
3827 SvREADONLY_on (sv); 3992 SvREADONLY_on (sv);
3828 } 3993 }
3829} 3994}
… …
3894 4059
3895void 4060void
3896_set_current (SV *current) 4061_set_current (SV *current)
3897 PROTOTYPE: $ 4062 PROTOTYPE: $
3898 CODE: 4063 CODE:
3899 SvREFCNT_dec (SvRV (coro_current)); 4064 SvREFCNT_dec_NN (SvRV (coro_current));
3900 SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current))); 4065 SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));
3901 4066
3902void 4067void
3903_set_readyhook (SV *hook) 4068_set_readyhook (SV *hook)
3904 PROTOTYPE: $ 4069 PROTOTYPE: $
… …
3988 4153
3989 if ((SV *)hv == &PL_sv_undef) 4154 if ((SV *)hv == &PL_sv_undef)
3990 { 4155 {
3991 SV *sv = coro_new (aTHX_ coro_stash, (SV **)&cv_pool_handler, 1, 1); 4156 SV *sv = coro_new (aTHX_ coro_stash, (SV **)&cv_pool_handler, 1, 1);
3992 hv = (HV *)SvREFCNT_inc_NN (SvRV (sv)); 4157 hv = (HV *)SvREFCNT_inc_NN (SvRV (sv));
3993 SvREFCNT_dec (sv); 4158 SvREFCNT_dec_NN (sv);
3994 } 4159 }
3995 4160
3996 { 4161 {
3997 struct coro *coro = SvSTATE_hv (hv); 4162 struct coro *coro = SvSTATE_hv (hv);
3998 4163
… …
4005 api_ready (aTHX_ (SV *)hv); 4170 api_ready (aTHX_ (SV *)hv);
4006 4171
4007 if (GIMME_V != G_VOID) 4172 if (GIMME_V != G_VOID)
4008 XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv))); 4173 XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv)));
4009 else 4174 else
4010 SvREFCNT_dec (hv); 4175 SvREFCNT_dec_NN (hv);
4011} 4176}
4012 4177
4013SV * 4178SV *
4014rouse_cb () 4179rouse_cb ()
4015 PROTOTYPE: 4180 PROTOTYPE:
… …
4030 on_leave = 1 4195 on_leave = 1
4031 PROTOTYPE: & 4196 PROTOTYPE: &
4032 CODE: 4197 CODE:
4033{ 4198{
4034 struct coro *coro = SvSTATE_current; 4199 struct coro *coro = SvSTATE_current;
4035 AV **avp = ix ? &coro->on_leave : &coro->on_enter; 4200 AV **avp = ix ? &coro->on_leave : &coro->on_enter;
4036 4201
4037 block = s_get_cv_croak (block); 4202 block = s_get_cv_croak (block);
4038 4203
4039 if (!*avp) 4204 if (!*avp)
4040 *avp = newAV (); 4205 *avp = newAV ();
… …
4060 4225
4061SV * 4226SV *
4062new (SV *klass, SV *count = 0) 4227new (SV *klass, SV *count = 0)
4063 CODE: 4228 CODE:
4064{ 4229{
4065 int semcnt = 1; 4230 int semcnt = 1;
4066 4231
4067 if (count) 4232 if (count)
4068 { 4233 {
4069 SvGETMAGIC (count); 4234 SvGETMAGIC (count);
4070 4235
… …
4130 XSRETURN_NO; 4295 XSRETURN_NO;
4131} 4296}
4132 4297
4133void 4298void
4134waiters (SV *self) 4299waiters (SV *self)
4135 PPCODE: 4300 PPCODE:
4136{ 4301{
4137 AV *av = (AV *)SvRV (self); 4302 AV *av = (AV *)SvRV (self);
4138 int wcount = AvFILLp (av) + 1 - 1; 4303 int wcount = AvFILLp (av) + 1 - 1;
4139 4304
4140 if (GIMME_V == G_SCALAR) 4305 if (GIMME_V == G_SCALAR)
… …
4152 4317
4153void 4318void
4154_may_delete (SV *sem, int count, unsigned int extra_refs) 4319_may_delete (SV *sem, int count, unsigned int extra_refs)
4155 PPCODE: 4320 PPCODE:
4156{ 4321{
4157 AV *av = (AV *)SvRV (sem); 4322 AV *av = (AV *)SvRV (sem);
4158 4323
4159 if (SvREFCNT ((SV *)av) == 1 + extra_refs 4324 if (SvREFCNT ((SV *)av) == 1 + extra_refs
4160 && AvFILLp (av) == 0 /* no waiters, just count */ 4325 && AvFILLp (av) == 0 /* no waiters, just count */
4161 && SvIV (AvARRAY (av)[0]) == count) 4326 && SvIV (AvARRAY (av)[0]) == count)
4162 XSRETURN_YES; 4327 XSRETURN_YES;
… …
4183 4348
4184void 4349void
4185broadcast (SV *self) 4350broadcast (SV *self)
4186 CODE: 4351 CODE:
4187{ 4352{
4188 AV *av = (AV *)SvRV (self); 4353 AV *av = (AV *)SvRV (self);
4189 coro_signal_wake (aTHX_ av, AvFILLp (av)); 4354 coro_signal_wake (aTHX_ av, AvFILLp (av));
4190} 4355}
4191 4356
4192void 4357void
4193send (SV *self) 4358send (SV *self)
… …
4201 SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */ 4366 SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */
4202} 4367}
4203 4368
4204IV 4369IV
4205awaited (SV *self) 4370awaited (SV *self)
4206 CODE: 4371 CODE:
4207 RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1; 4372 RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1;
4208 OUTPUT: 4373 OUTPUT:
4209 RETVAL 4374 RETVAL
4210 4375
4211 4376
… …
4216 4381
4217void 4382void
4218_schedule (...) 4383_schedule (...)
4219 CODE: 4384 CODE:
4220{ 4385{
4221 static int incede; 4386 static int incede;
4222 4387
4223 api_cede_notself (aTHX); 4388 api_cede_notself (aTHX);
4224 4389
4225 ++incede; 4390 ++incede;
4226 while (coro_nready >= incede && api_cede (aTHX)) 4391 while (coro_nready >= incede && api_cede (aTHX))
… …
4270 { 4435 {
4271 PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect; 4436 PL_ppaddr [OP_SSELECT] = coro_old_pp_sselect;
4272 coro_old_pp_sselect = 0; 4437 coro_old_pp_sselect = 0;
4273 } 4438 }
4274 4439
4440MODULE = Coro::State PACKAGE = Coro::Util
4441
4442void
4443_exit (int code)
4444 CODE:
4445 _exit (code);
4446
4447NV
4448time ()
4449 CODE:
4450 RETVAL = nvtime (aTHX);
4451 OUTPUT:
4452 RETVAL
4453
4454NV
4455gettimeofday ()
4456 PPCODE:
4457{
4458 UV tv [2];
4459 u2time (aTHX_ tv);
4460 EXTEND (SP, 2);
4461 PUSHs (sv_2mortal (newSVuv (tv [0])));
4462 PUSHs (sv_2mortal (newSVuv (tv [1])));
4463}
4464

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