ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/Coro/Coro/State.xs
(Generate patch)

Comparing Coro/Coro/State.xs (file contents):
Revision 1.204 by root, Mon Oct 8 03:03:39 2007 UTC vs.
Revision 1.238 by root, Sat May 31 12:10:55 2008 UTC

10#include "patchlevel.h" 10#include "patchlevel.h"
11 11
12#include <stdio.h> 12#include <stdio.h>
13#include <errno.h> 13#include <errno.h>
14#include <assert.h> 14#include <assert.h>
15
16#ifdef WIN32
17# undef setjmp
18# undef longjmp
19# undef _exit
20# define setjmp _setjmp // deep magic, don't ask
21#else
22# include <inttypes.h> /* most portable stdint.h */
23#endif
15 24
16#ifdef HAVE_MMAP 25#ifdef HAVE_MMAP
17# include <unistd.h> 26# include <unistd.h>
18# include <sys/mman.h> 27# include <sys/mman.h>
19# ifndef MAP_ANONYMOUS 28# ifndef MAP_ANONYMOUS
71# ifndef IS_PADCONST 80# ifndef IS_PADCONST
72# define IS_PADCONST(v) 0 81# define IS_PADCONST(v) 0
73# endif 82# endif
74#endif 83#endif
75 84
85/* 5.8.8 */
86#ifndef GV_NOTQUAL
87# define GV_NOTQUAL 0
88#endif
89#ifndef newSV
90# define newSV(l) NEWSV(0,l)
91#endif
92
93/* 5.11 */
94#ifndef CxHASARGS
95# define CxHASARGS(cx) (cx)->blk_sub.hasargs
96#endif
97
76/* 5.8.7 */ 98/* 5.8.7 */
77#ifndef SvRV_set 99#ifndef SvRV_set
78# define SvRV_set(s,v) SvRV(s) = (v) 100# define SvRV_set(s,v) SvRV(s) = (v)
79#endif
80
81/* 5.8.8 */
82#ifndef GV_NOTQUAL
83# define GV_NOTQUAL 0
84#endif
85#ifndef newSV
86# define newSV(l) NEWSV(0,l)
87#endif 101#endif
88 102
89#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 103#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64
90# undef CORO_STACKGUARD 104# undef CORO_STACKGUARD
91#endif 105#endif
130#else 144#else
131# define LOCK (void)0 145# define LOCK (void)0
132# define UNLOCK (void)0 146# define UNLOCK (void)0
133#endif 147#endif
134 148
135#define strpair(const) const, sizeof (const) - 1
136
137/* helper storage struct for Coro::AIO */ 149/* helper storage struct for Coro::AIO */
138struct io_state 150struct io_state
139{ 151{
140 int errorno; 152 int errorno;
141 I32 laststype; 153 I32 laststype;
146static size_t coro_stacksize = CORO_STACKSIZE; 158static size_t coro_stacksize = CORO_STACKSIZE;
147static struct CoroAPI coroapi; 159static struct CoroAPI coroapi;
148static AV *main_mainstack; /* used to differentiate between $main and others */ 160static AV *main_mainstack; /* used to differentiate between $main and others */
149static JMPENV *main_top_env; 161static JMPENV *main_top_env;
150static HV *coro_state_stash, *coro_stash; 162static HV *coro_state_stash, *coro_stash;
151static SV *coro_mortal; /* will be freed after next transfer */ 163static volatile SV *coro_mortal; /* will be freed after next transfer */
152 164
153static GV *irsgv; /* $/ */ 165static GV *irsgv; /* $/ */
154static GV *stdoutgv; /* *STDOUT */ 166static GV *stdoutgv; /* *STDOUT */
155 167static SV *rv_diehook;
168static SV *rv_warnhook;
156static HV *hv_sig; /* %SIG */ 169static HV *hv_sig; /* %SIG */
157static SV *sv_diehook;
158static SV *sv_warnhook;
159 170
160/* async_pool helper stuff */ 171/* async_pool helper stuff */
161static SV *sv_pool_rss; 172static SV *sv_pool_rss;
162static SV *sv_pool_size; 173static SV *sv_pool_size;
163static AV *av_async_pool; 174static AV *av_async_pool;
175
176/* Coro::AnyEvent */
177static SV *sv_activity;
164 178
165static struct coro_cctx *cctx_first; 179static struct coro_cctx *cctx_first;
166static int cctx_count, cctx_idle; 180static int cctx_count, cctx_idle;
167 181
168enum { 182enum {
254#define PRIO_IDLE -3 268#define PRIO_IDLE -3
255#define PRIO_MIN -4 269#define PRIO_MIN -4
256 270
257/* for Coro.pm */ 271/* for Coro.pm */
258static SV *coro_current; 272static SV *coro_current;
273static SV *coro_readyhook;
259static AV *coro_ready [PRIO_MAX-PRIO_MIN+1]; 274static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
260static int coro_nready; 275static int coro_nready;
261static struct coro *coro_first; 276static struct coro *coro_first;
262 277
263/** lowlevel stuff **********************************************************/ 278/** lowlevel stuff **********************************************************/
264 279
265static SV * 280static SV *
266coro_get_sv (const char *name, int create) 281coro_get_sv (pTHX_ const char *name, int create)
267{ 282{
268#if PERL_VERSION_ATLEAST (5,9,0) 283#if PERL_VERSION_ATLEAST (5,10,0)
269 /* silence stupid and wrong 5.10 warning that I am unable to switch off */ 284 /* silence stupid and wrong 5.10 warning that I am unable to switch off */
270 get_sv (name, create); 285 get_sv (name, create);
271#endif 286#endif
272 return get_sv (name, create); 287 return get_sv (name, create);
273} 288}
274 289
275static AV * 290static AV *
276coro_get_av (const char *name, int create) 291coro_get_av (pTHX_ const char *name, int create)
277{ 292{
278#if PERL_VERSION_ATLEAST (5,9,0) 293#if PERL_VERSION_ATLEAST (5,10,0)
279 /* silence stupid and wrong 5.10 warning that I am unable to switch off */ 294 /* silence stupid and wrong 5.10 warning that I am unable to switch off */
280 get_av (name, create); 295 get_av (name, create);
281#endif 296#endif
282 return get_av (name, create); 297 return get_av (name, create);
283} 298}
284 299
285static HV * 300static HV *
286coro_get_hv (const char *name, int create) 301coro_get_hv (pTHX_ const char *name, int create)
287{ 302{
288#if PERL_VERSION_ATLEAST (5,9,0) 303#if PERL_VERSION_ATLEAST (5,10,0)
289 /* silence stupid and wrong 5.10 warning that I am unable to switch off */ 304 /* silence stupid and wrong 5.10 warning that I am unable to switch off */
290 get_hv (name, create); 305 get_hv (name, create);
291#endif 306#endif
292 return get_hv (name, create); 307 return get_hv (name, create);
293} 308}
298 AV *padlist = CvPADLIST (cv); 313 AV *padlist = CvPADLIST (cv);
299 AV *newpadlist, *newpad; 314 AV *newpadlist, *newpad;
300 315
301 newpadlist = newAV (); 316 newpadlist = newAV ();
302 AvREAL_off (newpadlist); 317 AvREAL_off (newpadlist);
303#if PERL_VERSION_ATLEAST (5,9,0) 318#if PERL_VERSION_ATLEAST (5,10,0)
304 Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1); 319 Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);
305#else 320#else
306 Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); 321 Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
307#endif 322#endif
308 newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; 323 newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
346 361
347 /* casting is fun. */ 362 /* casting is fun. */
348 while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) 363 while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av)))
349 free_padlist (aTHX_ padlist); 364 free_padlist (aTHX_ padlist);
350 365
351 SvREFCNT_dec (av);
352
353 return 0; 366 return 0;
354} 367}
355 368
356#define PERL_MAGIC_coro PERL_MAGIC_ext 369#define CORO_MAGIC_type_cv PERL_MAGIC_ext
370#define CORO_MAGIC_type_state PERL_MAGIC_ext
357 371
358static MGVTBL vtbl_coro = {0, 0, 0, 0, coro_cv_free}; 372static MGVTBL coro_cv_vtbl = {
373 0, 0, 0, 0,
374 coro_cv_free
375};
359 376
360#define CORO_MAGIC(cv) \ 377#define CORO_MAGIC(sv,type) \
361 SvMAGIC (cv) \ 378 SvMAGIC (sv) \
362 ? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \ 379 ? SvMAGIC (sv)->mg_type == type \
363 ? SvMAGIC (cv) \ 380 ? SvMAGIC (sv) \
364 : mg_find ((SV *)cv, PERL_MAGIC_coro) \ 381 : mg_find (sv, type) \
365 : 0 382 : 0
383
384#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
385#define CORO_MAGIC_state(sv) CORO_MAGIC (((SV *)(sv)), CORO_MAGIC_type_state)
366 386
367static struct coro * 387static struct coro *
368SvSTATE_ (pTHX_ SV *coro) 388SvSTATE_ (pTHX_ SV *coro)
369{ 389{
370 HV *stash; 390 HV *stash;
382 /* very slow, but rare, check */ 402 /* very slow, but rare, check */
383 if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) 403 if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
384 croak ("Coro::State object required"); 404 croak ("Coro::State object required");
385 } 405 }
386 406
387 mg = CORO_MAGIC (coro); 407 mg = CORO_MAGIC_state (coro);
388 return (struct coro *)mg->mg_ptr; 408 return (struct coro *)mg->mg_ptr;
389} 409}
390 410
391#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) 411#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
392 412
393/* the next two functions merely cache the padlists */ 413/* the next two functions merely cache the padlists */
394static void 414static void
395get_padlist (pTHX_ CV *cv) 415get_padlist (pTHX_ CV *cv)
396{ 416{
397 MAGIC *mg = CORO_MAGIC (cv); 417 MAGIC *mg = CORO_MAGIC_cv (cv);
398 AV *av; 418 AV *av;
399 419
400 if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) 420 if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))
401 CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; 421 CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
402 else 422 else
414} 434}
415 435
416static void 436static void
417put_padlist (pTHX_ CV *cv) 437put_padlist (pTHX_ CV *cv)
418{ 438{
419 MAGIC *mg = CORO_MAGIC (cv); 439 MAGIC *mg = CORO_MAGIC_cv (cv);
420 AV *av; 440 AV *av;
421 441
422 if (expect_false (!mg)) 442 if (expect_false (!mg))
423 { 443 mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);
424 sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0);
425 mg = mg_find ((SV *)cv, PERL_MAGIC_coro);
426 mg->mg_virtual = &vtbl_coro;
427 mg->mg_obj = (SV *)newAV ();
428 }
429 444
430 av = (AV *)mg->mg_obj; 445 av = (AV *)mg->mg_obj;
431 446
432 if (expect_false (AvFILLp (av) >= AvMAX (av))) 447 if (expect_false (AvFILLp (av) >= AvMAX (av)))
433 av_extend (av, AvMAX (av) + 1); 448 av_extend (av, AvMAX (av) + 1);
451 GvSV (irsgv) = slot->irsgv; 466 GvSV (irsgv) = slot->irsgv;
452 467
453 #define VAR(name,type) PL_ ## name = slot->name; 468 #define VAR(name,type) PL_ ## name = slot->name;
454 # include "state.h" 469 # include "state.h"
455 #undef VAR 470 #undef VAR
456
457 /*hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0);*/
458 /*hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0);*/
459 471
460 { 472 {
461 dSP; 473 dSP;
462 474
463 CV *cv; 475 CV *cv;
502 514
503 if (expect_true (CvDEPTH (cv))) 515 if (expect_true (CvDEPTH (cv)))
504 { 516 {
505 EXTEND (SP, 3); 517 EXTEND (SP, 3);
506 PUSHs ((SV *)CvPADLIST (cv)); 518 PUSHs ((SV *)CvPADLIST (cv));
507 PUSHs (INT2PTR (SV *, CvDEPTH (cv))); 519 PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv)));
508 PUSHs ((SV *)cv); 520 PUSHs ((SV *)cv);
509 521
510 CvDEPTH (cv) = 0; 522 CvDEPTH (cv) = 0;
511 get_padlist (aTHX_ cv); 523 get_padlist (aTHX_ cv);
512 } 524 }
592 604
593 New(54,PL_savestack,24,ANY); 605 New(54,PL_savestack,24,ANY);
594 PL_savestack_ix = 0; 606 PL_savestack_ix = 0;
595 PL_savestack_max = 24; 607 PL_savestack_max = 24;
596 608
597#if !PERL_VERSION_ATLEAST (5,9,0) 609#if !PERL_VERSION_ATLEAST (5,10,0)
598 New(54,PL_retstack,4,OP*); 610 New(54,PL_retstack,4,OP*);
599 PL_retstack_ix = 0; 611 PL_retstack_ix = 0;
600 PL_retstack_max = 4; 612 PL_retstack_max = 4;
601#endif 613#endif
602} 614}
625 637
626 Safefree (PL_tmps_stack); 638 Safefree (PL_tmps_stack);
627 Safefree (PL_markstack); 639 Safefree (PL_markstack);
628 Safefree (PL_scopestack); 640 Safefree (PL_scopestack);
629 Safefree (PL_savestack); 641 Safefree (PL_savestack);
630#if !PERL_VERSION_ATLEAST (5,9,0) 642#if !PERL_VERSION_ATLEAST (5,10,0)
631 Safefree (PL_retstack); 643 Safefree (PL_retstack);
632#endif 644#endif
633} 645}
634 646
635static size_t 647static size_t
659 rss += slot->tmps_max * sizeof (SV *); 671 rss += slot->tmps_max * sizeof (SV *);
660 rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32); 672 rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
661 rss += slot->scopestack_max * sizeof (I32); 673 rss += slot->scopestack_max * sizeof (I32);
662 rss += slot->savestack_max * sizeof (ANY); 674 rss += slot->savestack_max * sizeof (ANY);
663 675
664#if !PERL_VERSION_ATLEAST (5,9,0) 676#if !PERL_VERSION_ATLEAST (5,10,0)
665 rss += slot->retstack_max * sizeof (OP *); 677 rss += slot->retstack_max * sizeof (OP *);
666#endif 678#endif
667 } 679 }
668 680
669 return rss; 681 return rss;
670} 682}
671 683
672/** coroutine stack handling ************************************************/ 684/** coroutine stack handling ************************************************/
685
686static int (*orig_sigelem_get) (pTHX_ SV *sv, MAGIC *mg);
687static int (*orig_sigelem_set) (pTHX_ SV *sv, MAGIC *mg);
688
689/* apparently < 5.8.8 */
690#undef MgPV_nolen_const
691#ifndef MgPV_nolen_const
692#define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \
693 SvPV_nolen_const((SV*)((mg)->mg_ptr)) : \
694 (const char*)(mg)->mg_ptr)
695#endif
696
697/*
698 * This overrides the default magic get method of %SIG elements.
699 * The original one doesn't provide for reading back of PL_diehook/PL_warnhook
700 * and instead of tryign to save and restore the hash elements, we just provide
701 * readback here.
702 * We only do this when the hook is != 0, as they are often set to 0 temporarily,
703 * not expecting this to actually change the hook. This is a potential problem
704 * when a schedule happens then, but we ignore this.
705 */
706static int
707coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg)
708{
709 const char *s = MgPV_nolen_const (mg);
710
711 if (*s == '_')
712 {
713 if (strEQ (s, "__DIE__" ) && PL_diehook ) return sv_setsv (sv, PL_diehook ), 0;
714 if (strEQ (s, "__WARN__") && PL_warnhook) return sv_setsv (sv, PL_warnhook), 0;
715 }
716
717 return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0;
718}
719
720static int
721coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg)
722{
723 const char *s = MgPV_nolen_const (mg);
724
725 if (*s == '_')
726 {
727 SV **svp = 0;
728
729 if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
730 if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
731
732 if (svp)
733 {
734 SV *old = *svp;
735 *svp = newSVsv (sv);
736 SvREFCNT_dec (old);
737 return 0;
738 }
739 }
740
741 return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0;
742}
673 743
674static void 744static void
675coro_setup (pTHX_ struct coro *coro) 745coro_setup (pTHX_ struct coro *coro)
676{ 746{
677 /* 747 /*
686 PL_curpm = 0; 756 PL_curpm = 0;
687 PL_curpad = 0; 757 PL_curpad = 0;
688 PL_localizing = 0; 758 PL_localizing = 0;
689 PL_dirty = 0; 759 PL_dirty = 0;
690 PL_restartop = 0; 760 PL_restartop = 0;
691 PL_diehook = 0; hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0); 761#if PERL_VERSION_ATLEAST (5,10,0)
692 PL_warnhook = 0; hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0); 762 PL_parser = 0;
763#endif
764
765 /* recreate the die/warn hooks */
766 PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook );
767 PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook);
693 768
694 GvSV (PL_defgv) = newSV (0); 769 GvSV (PL_defgv) = newSV (0);
695 GvAV (PL_defgv) = coro->args; coro->args = 0; 770 GvAV (PL_defgv) = coro->args; coro->args = 0;
696 GvSV (PL_errgv) = newSV (0); 771 GvSV (PL_errgv) = newSV (0);
697 GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); 772 GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
712 PL_op = (OP *)&myop; 787 PL_op = (OP *)&myop;
713 PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); 788 PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
714 SPAGAIN; 789 SPAGAIN;
715 } 790 }
716 791
717 ENTER; /* necessary e.g. for dounwind and to balance the xsub-entersub */ 792 /* this newly created coroutine might be run on an existing cctx which most
793 * likely was suspended in set_stacklevel, called from entersub.
794 * set_stacklevl doesn't do anything on return, but entersub does LEAVE,
795 * so we ENTER here for symmetry
796 */
797 ENTER;
718} 798}
719 799
720static void 800static void
721coro_destroy (pTHX_ struct coro *coro) 801coro_destroy (pTHX_ struct coro *coro)
722{ 802{
806 PUSHMARK (SP); 886 PUSHMARK (SP);
807 PUSHs (&PL_sv_no); 887 PUSHs (&PL_sv_no);
808 PUSHs (fullname); 888 PUSHs (fullname);
809 PUSHs (sv_2mortal (newRV_noinc ((SV *)av))); 889 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
810 PUTBACK; 890 PUTBACK;
811 cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_sub_cb"), 0); 891 cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
812 if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); 892 if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
813 SPAGAIN; 893 SPAGAIN;
814 FREETMPS; 894 FREETMPS;
815 LEAVE; 895 LEAVE;
816 PL_runops = runops_trace; 896 PL_runops = runops_trace;
843 SAVETMPS; 923 SAVETMPS;
844 EXTEND (SP, 3); 924 EXTEND (SP, 3);
845 PUSHMARK (SP); 925 PUSHMARK (SP);
846 PUSHs (&PL_sv_yes); 926 PUSHs (&PL_sv_yes);
847 PUSHs (fullname); 927 PUSHs (fullname);
848 PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef); 928 PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
849 PUTBACK; 929 PUTBACK;
850 cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_sub_cb"), 0); 930 cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
851 if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); 931 if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
852 SPAGAIN; 932 SPAGAIN;
853 FREETMPS; 933 FREETMPS;
854 LEAVE; 934 LEAVE;
855 PL_runops = runops_trace; 935 PL_runops = runops_trace;
869 PL_runops = RUNOPS_DEFAULT; 949 PL_runops = RUNOPS_DEFAULT;
870 PUSHMARK (SP); 950 PUSHMARK (SP);
871 PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0))); 951 PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));
872 PUSHs (sv_2mortal (newSViv (CopLINE (oldcop)))); 952 PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));
873 PUTBACK; 953 PUTBACK;
874 cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_line_cb"), 0); 954 cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0);
875 if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); 955 if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
876 SPAGAIN; 956 SPAGAIN;
877 FREETMPS; 957 FREETMPS;
878 LEAVE; 958 LEAVE;
879 PL_runops = runops_trace; 959 PL_runops = runops_trace;
1069 croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states"); 1149 croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
1070 1150
1071 if (expect_false (next->flags & CF_DESTROYED)) 1151 if (expect_false (next->flags & CF_DESTROYED))
1072 croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states"); 1152 croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
1073 1153
1074 if (
1075#if PERL_VERSION_ATLEAST (5,9,0) 1154#if !PERL_VERSION_ATLEAST (5,10,0)
1076 expect_false (PL_parser)
1077#else
1078 expect_false (PL_lex_state != LEX_NOTPARSING) 1155 if (expect_false (PL_lex_state != LEX_NOTPARSING))
1079#endif
1080 )
1081 croak ("Coro::State::transfer called while parsing, but this is not supported"); 1156 croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version");
1157#endif
1082 } 1158 }
1083} 1159}
1084 1160
1085/* always use the TRANSFER macro */ 1161/* always use the TRANSFER macro */
1086static void NOINLINE 1162static void NOINLINE
1087transfer (pTHX_ struct coro *prev, struct coro *next) 1163transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx)
1088{ 1164{
1089 dSTACKLEVEL; 1165 dSTACKLEVEL;
1166 static volatile int has_throw;
1090 1167
1091 /* sometimes transfer is only called to set idle_sp */ 1168 /* sometimes transfer is only called to set idle_sp */
1092 if (expect_false (!next)) 1169 if (expect_false (!next))
1093 { 1170 {
1094 ((coro_cctx *)prev)->idle_sp = STACKLEVEL; 1171 ((coro_cctx *)prev)->idle_sp = STACKLEVEL;
1109 prev->flags &= ~CF_RUNNING; 1186 prev->flags &= ~CF_RUNNING;
1110 next->flags |= CF_RUNNING; 1187 next->flags |= CF_RUNNING;
1111 1188
1112 LOCK; 1189 LOCK;
1113 1190
1191 /* first get rid of the old state */
1192 save_perl (aTHX_ prev);
1193
1114 if (expect_false (next->flags & CF_NEW)) 1194 if (expect_false (next->flags & CF_NEW))
1115 { 1195 {
1116 /* need to start coroutine */ 1196 /* need to start coroutine */
1117 next->flags &= ~CF_NEW; 1197 next->flags &= ~CF_NEW;
1118 /* first get rid of the old state */
1119 save_perl (aTHX_ prev);
1120 /* setup coroutine call */ 1198 /* setup coroutine call */
1121 coro_setup (aTHX_ next); 1199 coro_setup (aTHX_ next);
1122 } 1200 }
1123 else 1201 else
1124 {
1125 /* coroutine already started */
1126 save_perl (aTHX_ prev);
1127 load_perl (aTHX_ next); 1202 load_perl (aTHX_ next);
1128 }
1129 1203
1130 prev__cctx = prev->cctx; 1204 prev__cctx = prev->cctx;
1131 1205
1132 /* possibly "free" the cctx */ 1206 /* possibly "free" the cctx */
1133 if (expect_true (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE))) 1207 if (expect_true (
1208 prev__cctx->idle_sp == STACKLEVEL
1209 && !(prev__cctx->flags & CC_TRACE)
1210 && !force_cctx
1211 ))
1134 { 1212 {
1135 /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */ 1213 /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */
1136 assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te)); 1214 assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
1137 1215
1138 prev->cctx = 0; 1216 prev->cctx = 0;
1148 1226
1149 ++next->usecount; 1227 ++next->usecount;
1150 1228
1151 if (expect_true (!next->cctx)) 1229 if (expect_true (!next->cctx))
1152 next->cctx = cctx_get (aTHX); 1230 next->cctx = cctx_get (aTHX);
1231
1232 has_throw = !!next->throw;
1153 1233
1154 if (expect_false (prev__cctx != next->cctx)) 1234 if (expect_false (prev__cctx != next->cctx))
1155 { 1235 {
1156 prev__cctx->top_env = PL_top_env; 1236 prev__cctx->top_env = PL_top_env;
1157 PL_top_env = next->cctx->top_env; 1237 PL_top_env = next->cctx->top_env;
1159 } 1239 }
1160 1240
1161 free_coro_mortal (aTHX); 1241 free_coro_mortal (aTHX);
1162 UNLOCK; 1242 UNLOCK;
1163 1243
1164 if (expect_false (prev->throw || next->throw)) 1244 if (expect_false (has_throw))
1165 { 1245 {
1166 struct coro *coro = SvSTATE (coro_current); 1246 struct coro *coro = SvSTATE (coro_current);
1167 1247
1168 if (coro->throw) 1248 if (coro->throw)
1169 { 1249 {
1179struct transfer_args 1259struct transfer_args
1180{ 1260{
1181 struct coro *prev, *next; 1261 struct coro *prev, *next;
1182}; 1262};
1183 1263
1184#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next) 1264#define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx))
1185#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) 1265#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
1186 1266
1187/** high level stuff ********************************************************/ 1267/** high level stuff ********************************************************/
1188 1268
1189static int 1269static int
1283{ 1363{
1284 dTHX; 1364 dTHX;
1285 struct transfer_args ta; 1365 struct transfer_args ta;
1286 1366
1287 prepare_transfer (aTHX_ &ta, prev_sv, next_sv); 1367 prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1288 TRANSFER (ta); 1368 TRANSFER (ta, 1);
1289} 1369}
1290 1370
1291/** Coro ********************************************************************/ 1371/** Coro ********************************************************************/
1292 1372
1293static void 1373static void
1295{ 1375{
1296 av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv); 1376 av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv);
1297} 1377}
1298 1378
1299static SV * 1379static SV *
1300coro_deq (pTHX_ int min_prio) 1380coro_deq (pTHX)
1301{ 1381{
1302 int prio = PRIO_MAX - PRIO_MIN; 1382 int prio;
1303 1383
1304 min_prio -= PRIO_MIN;
1305 if (min_prio < 0)
1306 min_prio = 0;
1307
1308 for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= min_prio; ) 1384 for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; )
1309 if (AvFILLp (coro_ready [prio]) >= 0) 1385 if (AvFILLp (coro_ready [prio]) >= 0)
1310 return av_shift (coro_ready [prio]); 1386 return av_shift (coro_ready [prio]);
1311 1387
1312 return 0; 1388 return 0;
1313} 1389}
1315static int 1391static int
1316api_ready (SV *coro_sv) 1392api_ready (SV *coro_sv)
1317{ 1393{
1318 dTHX; 1394 dTHX;
1319 struct coro *coro; 1395 struct coro *coro;
1396 SV *sv_hook;
1397 void (*xs_hook)(void);
1320 1398
1321 if (SvROK (coro_sv)) 1399 if (SvROK (coro_sv))
1322 coro_sv = SvRV (coro_sv); 1400 coro_sv = SvRV (coro_sv);
1323 1401
1324 coro = SvSTATE (coro_sv); 1402 coro = SvSTATE (coro_sv);
1327 return 0; 1405 return 0;
1328 1406
1329 coro->flags |= CF_READY; 1407 coro->flags |= CF_READY;
1330 1408
1331 LOCK; 1409 LOCK;
1410
1411 sv_hook = coro_nready ? 0 : coro_readyhook;
1412 xs_hook = coro_nready ? 0 : coroapi.readyhook;
1413
1332 coro_enq (aTHX_ SvREFCNT_inc (coro_sv)); 1414 coro_enq (aTHX_ SvREFCNT_inc (coro_sv));
1333 ++coro_nready; 1415 ++coro_nready;
1416
1334 UNLOCK; 1417 UNLOCK;
1418
1419 if (sv_hook)
1420 {
1421 dSP;
1422
1423 ENTER;
1424 SAVETMPS;
1425
1426 PUSHMARK (SP);
1427 PUTBACK;
1428 call_sv (sv_hook, G_DISCARD);
1429 SPAGAIN;
1430
1431 FREETMPS;
1432 LEAVE;
1433 }
1434
1435 if (xs_hook)
1436 xs_hook ();
1335 1437
1336 return 1; 1438 return 1;
1337} 1439}
1338 1440
1339static int 1441static int
1349 SV *prev_sv, *next_sv; 1451 SV *prev_sv, *next_sv;
1350 1452
1351 for (;;) 1453 for (;;)
1352 { 1454 {
1353 LOCK; 1455 LOCK;
1354 next_sv = coro_deq (aTHX_ PRIO_MIN); 1456 next_sv = coro_deq (aTHX);
1355 1457
1356 /* nothing to schedule: call the idle handler */ 1458 /* nothing to schedule: call the idle handler */
1357 if (expect_false (!next_sv)) 1459 if (expect_false (!next_sv))
1358 { 1460 {
1359 dSP; 1461 dSP;
1363 SAVETMPS; 1465 SAVETMPS;
1364 1466
1365 PUSHMARK (SP); 1467 PUSHMARK (SP);
1366 PUTBACK; 1468 PUTBACK;
1367 call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD); 1469 call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD);
1470 SPAGAIN;
1368 1471
1369 FREETMPS; 1472 FREETMPS;
1370 LEAVE; 1473 LEAVE;
1371 continue; 1474 continue;
1372 } 1475 }
1427{ 1530{
1428 dTHX; 1531 dTHX;
1429 struct transfer_args ta; 1532 struct transfer_args ta;
1430 1533
1431 prepare_schedule (aTHX_ &ta); 1534 prepare_schedule (aTHX_ &ta);
1432 TRANSFER (ta); 1535 TRANSFER (ta, 1);
1433} 1536}
1434 1537
1435static int 1538static int
1436api_cede (void) 1539api_cede (void)
1437{ 1540{
1440 1543
1441 prepare_cede (aTHX_ &ta); 1544 prepare_cede (aTHX_ &ta);
1442 1545
1443 if (expect_true (ta.prev != ta.next)) 1546 if (expect_true (ta.prev != ta.next))
1444 { 1547 {
1445 TRANSFER (ta); 1548 TRANSFER (ta, 1);
1446 return 1; 1549 return 1;
1447 } 1550 }
1448 else 1551 else
1449 return 0; 1552 return 0;
1450} 1553}
1455 dTHX; 1558 dTHX;
1456 struct transfer_args ta; 1559 struct transfer_args ta;
1457 1560
1458 if (prepare_cede_notself (aTHX_ &ta)) 1561 if (prepare_cede_notself (aTHX_ &ta))
1459 { 1562 {
1460 TRANSFER (ta); 1563 TRANSFER (ta, 1);
1461 return 1; 1564 return 1;
1462 } 1565 }
1463 else 1566 else
1464 return 0; 1567 return 0;
1465} 1568}
1502 BOOT_PAGESIZE; 1605 BOOT_PAGESIZE;
1503 1606
1504 irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); 1607 irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV);
1505 stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); 1608 stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO);
1506 1609
1610 orig_sigelem_get = PL_vtbl_sigelem.svt_get;
1611 PL_vtbl_sigelem.svt_get = coro_sigelem_get;
1612 orig_sigelem_set = PL_vtbl_sigelem.svt_set;
1613 PL_vtbl_sigelem.svt_set = coro_sigelem_set;
1614
1507 hv_sig = coro_get_hv ("SIG", TRUE); 1615 hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);
1508 sv_diehook = coro_get_sv ("Coro::State::DIEHOOK" , TRUE); 1616 rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));
1509 sv_warnhook = coro_get_sv ("Coro::State::WARNHOOK", TRUE); 1617 rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));
1510
1511 if (!PL_diehook ) hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0);
1512 if (!PL_warnhook) hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0);
1513 1618
1514 coro_state_stash = gv_stashpv ("Coro::State", TRUE); 1619 coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1515 1620
1516 newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE)); 1621 newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1517 newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB)); 1622 newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
1522 main_top_env = PL_top_env; 1627 main_top_env = PL_top_env;
1523 1628
1524 while (main_top_env->je_prev) 1629 while (main_top_env->je_prev)
1525 main_top_env = main_top_env->je_prev; 1630 main_top_env = main_top_env->je_prev;
1526 1631
1527 coroapi.ver = CORO_API_VERSION; 1632 coroapi.ver = CORO_API_VERSION;
1633 coroapi.rev = CORO_API_REVISION;
1528 coroapi.transfer = api_transfer; 1634 coroapi.transfer = api_transfer;
1529 1635
1530 assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); 1636 assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
1531} 1637}
1532 1638
1533SV * 1639SV *
1534new (char *klass, ...) 1640new (char *klass, ...)
1535 CODE: 1641 CODE:
1536{ 1642{
1537 struct coro *coro; 1643 struct coro *coro;
1644 MAGIC *mg;
1538 HV *hv; 1645 HV *hv;
1539 int i; 1646 int i;
1540 1647
1541 Newz (0, coro, 1, struct coro); 1648 Newz (0, coro, 1, struct coro);
1542 coro->args = newAV (); 1649 coro->args = newAV ();
1545 if (coro_first) coro_first->prev = coro; 1652 if (coro_first) coro_first->prev = coro;
1546 coro->next = coro_first; 1653 coro->next = coro_first;
1547 coro_first = coro; 1654 coro_first = coro;
1548 1655
1549 coro->hv = hv = newHV (); 1656 coro->hv = hv = newHV ();
1550 sv_magicext ((SV *)hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char *)coro, 0)->mg_flags |= MGf_DUP; 1657 mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0);
1658 mg->mg_flags |= MGf_DUP;
1551 RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); 1659 RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1552 1660
1553 av_extend (coro->args, items - 1); 1661 av_extend (coro->args, items - 1);
1554 for (i = 1; i < items; i++) 1662 for (i = 1; i < items; i++)
1555 av_push (coro->args, newSVsv (ST (i))); 1663 av_push (coro->args, newSVsv (ST (i)));
1569 Coro::cede_notself = 4 1677 Coro::cede_notself = 4
1570 CODE: 1678 CODE:
1571{ 1679{
1572 struct transfer_args ta; 1680 struct transfer_args ta;
1573 1681
1682 PUTBACK;
1574 switch (ix) 1683 switch (ix)
1575 { 1684 {
1576 case 0: 1685 case 0:
1577 ta.prev = (struct coro *)INT2PTR (coro_cctx *, SvIV (ST (0))); 1686 ta.prev = (struct coro *)INT2PTR (coro_cctx *, SvIV (ST (0)));
1578 ta.next = 0; 1687 ta.next = 0;
1597 if (!prepare_cede_notself (aTHX_ &ta)) 1706 if (!prepare_cede_notself (aTHX_ &ta))
1598 XSRETURN_EMPTY; 1707 XSRETURN_EMPTY;
1599 1708
1600 break; 1709 break;
1601 } 1710 }
1711 SPAGAIN;
1602 1712
1603 BARRIER; 1713 BARRIER;
1714 PUTBACK;
1604 TRANSFER (ta); 1715 TRANSFER (ta, 0);
1605 1716 SPAGAIN; /* might be the sp of a different coroutine now */
1606 if (expect_false (GIMME_V != G_VOID && ta.next != ta.prev)) 1717 /* be extra careful not to ever do anything after TRANSFER */
1607 XSRETURN_YES;
1608} 1718}
1609 1719
1610bool 1720bool
1611_destroy (SV *coro_sv) 1721_destroy (SV *coro_sv)
1612 CODE: 1722 CODE:
1613 RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); 1723 RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));
1614 OUTPUT: 1724 OUTPUT:
1615 RETVAL 1725 RETVAL
1616 1726
1617void 1727void
1618_exit (code) 1728_exit (int code)
1619 int code
1620 PROTOTYPE: $ 1729 PROTOTYPE: $
1621 CODE: 1730 CODE:
1622 _exit (code); 1731 _exit (code);
1623 1732
1624int 1733int
1664 { 1773 {
1665 struct coro temp; 1774 struct coro temp;
1666 1775
1667 if (!(coro->flags & CF_RUNNING)) 1776 if (!(coro->flags & CF_RUNNING))
1668 { 1777 {
1778 PUTBACK;
1669 save_perl (aTHX_ &temp); 1779 save_perl (aTHX_ &temp);
1670 load_perl (aTHX_ coro); 1780 load_perl (aTHX_ coro);
1671 } 1781 }
1672 1782
1673 { 1783 {
1674 dSP; 1784 dSP;
1675 ENTER; 1785 ENTER;
1676 SAVETMPS; 1786 SAVETMPS;
1787 PUTBACK;
1788 PUSHSTACK;
1677 PUSHMARK (SP); 1789 PUSHMARK (SP);
1678 PUTBACK;
1679 1790
1680 if (ix) 1791 if (ix)
1681 eval_sv (coderef, 0); 1792 eval_sv (coderef, 0);
1682 else 1793 else
1683 call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); 1794 call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
1684 1795
1796 POPSTACK;
1685 SPAGAIN; 1797 SPAGAIN;
1686 FREETMPS; 1798 FREETMPS;
1687 LEAVE; 1799 LEAVE;
1688 PUTBACK; 1800 PUTBACK;
1689 } 1801 }
1690 1802
1691 if (!(coro->flags & CF_RUNNING)) 1803 if (!(coro->flags & CF_RUNNING))
1692 { 1804 {
1693 save_perl (aTHX_ coro); 1805 save_perl (aTHX_ coro);
1694 load_perl (aTHX_ &temp); 1806 load_perl (aTHX_ &temp);
1807 SPAGAIN;
1695 } 1808 }
1696 } 1809 }
1697} 1810}
1698 1811
1699SV * 1812SV *
1711 1824
1712void 1825void
1713api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) 1826api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB)
1714 1827
1715SV * 1828SV *
1716has_stack (Coro::State coro) 1829has_cctx (Coro::State coro)
1717 PROTOTYPE: $ 1830 PROTOTYPE: $
1718 CODE: 1831 CODE:
1719 RETVAL = boolSV (!!coro->cctx); 1832 RETVAL = boolSV (!!coro->cctx);
1720 OUTPUT: 1833 OUTPUT:
1721 RETVAL 1834 RETVAL
1740 case 1: RETVAL = coro->usecount; break; 1853 case 1: RETVAL = coro->usecount; break;
1741 } 1854 }
1742 OUTPUT: 1855 OUTPUT:
1743 RETVAL 1856 RETVAL
1744 1857
1858void
1859force_cctx ()
1860 CODE:
1861 struct coro *coro = SvSTATE (coro_current);
1862 coro->cctx->idle_sp = 0;
1745 1863
1746MODULE = Coro::State PACKAGE = Coro 1864MODULE = Coro::State PACKAGE = Coro
1747 1865
1748BOOT: 1866BOOT:
1749{ 1867{
1750 int i; 1868 int i;
1751 1869
1752 sv_pool_rss = coro_get_sv ("Coro::POOL_RSS" , TRUE);
1753 sv_pool_size = coro_get_sv ("Coro::POOL_SIZE" , TRUE);
1754 av_async_pool = coro_get_av ("Coro::async_pool", TRUE); 1870 av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
1871 sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
1872 sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
1755 1873
1756 coro_current = coro_get_sv ("Coro::current", FALSE); 1874 coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);
1757 SvREADONLY_on (coro_current); 1875 SvREADONLY_on (coro_current);
1758 1876
1759 coro_stash = gv_stashpv ("Coro", TRUE); 1877 coro_stash = gv_stashpv ("Coro", TRUE);
1760 1878
1761 newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); 1879 newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
1791 PROTOTYPE: $ 1909 PROTOTYPE: $
1792 CODE: 1910 CODE:
1793 SvREFCNT_dec (SvRV (coro_current)); 1911 SvREFCNT_dec (SvRV (coro_current));
1794 SvRV_set (coro_current, SvREFCNT_inc (SvRV (current))); 1912 SvRV_set (coro_current, SvREFCNT_inc (SvRV (current)));
1795 1913
1914void
1915_set_readyhook (SV *hook)
1916 PROTOTYPE: $
1917 CODE:
1918 LOCK;
1919 SvREFCNT_dec (coro_readyhook);
1920 coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;
1921 UNLOCK;
1922
1796int 1923int
1797prio (Coro::State coro, int newprio = 0) 1924prio (Coro::State coro, int newprio = 0)
1798 ALIAS: 1925 ALIAS:
1799 nice = 1 1926 nice = 1
1800 CODE: 1927 CODE:
1836 PROTOTYPE: $;$ 1963 PROTOTYPE: $;$
1837 CODE: 1964 CODE:
1838 SvREFCNT_dec (self->throw); 1965 SvREFCNT_dec (self->throw);
1839 self->throw = SvOK (throw) ? newSVsv (throw) : 0; 1966 self->throw = SvOK (throw) ? newSVsv (throw) : 0;
1840 1967
1968void
1969swap_defsv (Coro::State self)
1970 PROTOTYPE: $
1971 ALIAS:
1972 swap_defav = 1
1973 CODE:
1974 if (!self->slot)
1975 croak ("cannot swap state with coroutine that has no saved state");
1976 else
1977 {
1978 SV **src = ix ? (SV **)&GvAV (PL_defgv) : &GvSV (PL_defgv);
1979 SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv;
1980
1981 SV *tmp = *src; *src = *dst; *dst = tmp;
1982 }
1983
1841# for async_pool speedup 1984# for async_pool speedup
1842void 1985void
1843_pool_1 (SV *cb) 1986_pool_1 (SV *cb)
1844 CODE: 1987 CODE:
1845{ 1988{
1846 struct coro *coro = SvSTATE (coro_current); 1989 struct coro *coro = SvSTATE (coro_current);
1847 HV *hv = (HV *)SvRV (coro_current); 1990 HV *hv = (HV *)SvRV (coro_current);
1848 AV *defav = GvAV (PL_defgv); 1991 AV *defav = GvAV (PL_defgv);
1849 SV *invoke = hv_delete (hv, strpair ("_invoke"), 0); 1992 SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
1850 AV *invoke_av; 1993 AV *invoke_av;
1851 int i, len; 1994 int i, len;
1852 1995
1853 if (!invoke) 1996 if (!invoke)
1997 {
1998 SvREFCNT_dec (PL_diehook); PL_diehook = 0;
1854 croak ("\3async_pool terminate\2\n"); 1999 croak ("\3async_pool terminate\2\n");
2000 }
1855 2001
1856 SvREFCNT_dec (coro->saved_deffh); 2002 SvREFCNT_dec (coro->saved_deffh);
1857 coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv); 2003 coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);
1858 2004
1859 hv_store (hv, "desc", sizeof ("desc") - 1, 2005 hv_store (hv, "desc", sizeof ("desc") - 1,
1860 newSVpvn (strpair ("[async_pool]")), 0); 2006 newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
1861 2007
1862 invoke_av = (AV *)SvRV (invoke); 2008 invoke_av = (AV *)SvRV (invoke);
1863 len = av_len (invoke_av); 2009 len = av_len (invoke_av);
1864 2010
1865 sv_setsv (cb, AvARRAY (invoke_av)[0]); 2011 sv_setsv (cb, AvARRAY (invoke_av)[0]);
1885 SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; 2031 SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh;
1886 coro->saved_deffh = 0; 2032 coro->saved_deffh = 0;
1887 2033
1888 if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss) 2034 if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1889 || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) 2035 || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
2036 {
2037 SvREFCNT_dec (PL_diehook); PL_diehook = 0;
1890 croak ("\3async_pool terminate\2\n"); 2038 croak ("\3async_pool terminate\2\n");
2039 }
1891 2040
1892 av_clear (GvAV (PL_defgv)); 2041 av_clear (GvAV (PL_defgv));
1893 hv_store ((HV *)SvRV (coro_current), strpair ("desc"), 2042 hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
1894 newSVpvn (strpair ("[async_pool idle]")), 0); 2043 newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
1895 2044
1896 coro->prio = 0; 2045 coro->prio = 0;
1897 2046
1898 if (coro->cctx && (coro->cctx->flags & CC_TRACE)) 2047 if (coro->cctx && (coro->cctx->flags & CC_TRACE))
1899 api_trace (coro_current, 0); 2048 api_trace (coro_current, 0);
1934 PL_laststype = data->laststype; 2083 PL_laststype = data->laststype;
1935 PL_laststatval = data->laststatval; 2084 PL_laststatval = data->laststatval;
1936 PL_statcache = data->statcache; 2085 PL_statcache = data->statcache;
1937} 2086}
1938 2087
2088
2089MODULE = Coro::State PACKAGE = Coro::AnyEvent
2090
2091BOOT:
2092 sv_activity = coro_get_sv (aTHX_ "Coro::AnyEvent::ACTIVITY", TRUE);
2093
2094SV *
2095_schedule (...)
2096 PROTOTYPE: @
2097 CODE:
2098{
2099 static int incede;
2100
2101 api_cede_notself ();
2102
2103 ++incede;
2104 while (coro_nready >= incede && api_cede ())
2105 ;
2106
2107 sv_setsv (sv_activity, &PL_sv_undef);
2108 if (coro_nready >= incede)
2109 {
2110 PUSHMARK (SP);
2111 PUTBACK;
2112 call_pv ("Coro::AnyEvent::_activity", G_DISCARD | G_EVAL);
2113 SPAGAIN;
2114 }
2115
2116 --incede;
2117}
2118

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines