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Comparing Coro/Coro/State.xs (file contents):
Revision 1.205 by root, Tue Oct 9 14:07:02 2007 UTC vs.
Revision 1.243 by root, Sat Aug 30 03:07:46 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);
688static int (*orig_sigelem_clr) (pTHX_ SV *sv, MAGIC *mg);
689
690/* apparently < 5.8.8 */
691#ifndef MgPV_nolen_const
692#define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \
693 SvPV_nolen((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 SV **svp = 0;
714
715 if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
716 if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
717
718 if (svp)
719 {
720 sv_setsv (sv, *svp ? *svp : &PL_sv_undef);
721 return 0;
722 }
723 }
724
725 return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0;
726}
727
728static int
729coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg)
730{
731 const char *s = MgPV_nolen_const (mg);
732
733 if (*s == '_')
734 {
735 SV **svp = 0;
736
737 if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
738 if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
739
740 if (svp)
741 {
742 SV *old = *svp;
743 *svp = 0;
744 SvREFCNT_dec (old);
745 return 0;
746 }
747 }
748
749 return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0;
750}
751
752static int
753coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg)
754{
755 const char *s = MgPV_nolen_const (mg);
756
757 if (*s == '_')
758 {
759 SV **svp = 0;
760
761 if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
762 if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
763
764 if (svp)
765 {
766 SV *old = *svp;
767 *svp = newSVsv (sv);
768 SvREFCNT_dec (old);
769 return 0;
770 }
771 }
772
773 return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0;
774}
673 775
674static void 776static void
675coro_setup (pTHX_ struct coro *coro) 777coro_setup (pTHX_ struct coro *coro)
676{ 778{
677 /* 779 /*
686 PL_curpm = 0; 788 PL_curpm = 0;
687 PL_curpad = 0; 789 PL_curpad = 0;
688 PL_localizing = 0; 790 PL_localizing = 0;
689 PL_dirty = 0; 791 PL_dirty = 0;
690 PL_restartop = 0; 792 PL_restartop = 0;
691 PL_diehook = 0; hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0); 793#if PERL_VERSION_ATLEAST (5,10,0)
692 PL_warnhook = 0; hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0); 794 PL_parser = 0;
795#endif
796
797 /* recreate the die/warn hooks */
798 PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook );
799 PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook);
693 800
694 GvSV (PL_defgv) = newSV (0); 801 GvSV (PL_defgv) = newSV (0);
695 GvAV (PL_defgv) = coro->args; coro->args = 0; 802 GvAV (PL_defgv) = coro->args; coro->args = 0;
696 GvSV (PL_errgv) = newSV (0); 803 GvSV (PL_errgv) = newSV (0);
697 GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); 804 GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
712 PL_op = (OP *)&myop; 819 PL_op = (OP *)&myop;
713 PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); 820 PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
714 SPAGAIN; 821 SPAGAIN;
715 } 822 }
716 823
717 ENTER; /* necessary e.g. for dounwind and to balance the xsub-entersub */ 824 /* this newly created coroutine might be run on an existing cctx which most
825 * likely was suspended in set_stacklevel, called from entersub.
826 * set_stacklevl doesn't do anything on return, but entersub does LEAVE,
827 * so we ENTER here for symmetry
828 */
829 ENTER;
718} 830}
719 831
720static void 832static void
721coro_destroy (pTHX_ struct coro *coro) 833coro_destroy (pTHX_ struct coro *coro)
722{ 834{
806 PUSHMARK (SP); 918 PUSHMARK (SP);
807 PUSHs (&PL_sv_no); 919 PUSHs (&PL_sv_no);
808 PUSHs (fullname); 920 PUSHs (fullname);
809 PUSHs (sv_2mortal (newRV_noinc ((SV *)av))); 921 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
810 PUTBACK; 922 PUTBACK;
811 cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_sub_cb"), 0); 923 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); 924 if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
813 SPAGAIN; 925 SPAGAIN;
814 FREETMPS; 926 FREETMPS;
815 LEAVE; 927 LEAVE;
816 PL_runops = runops_trace; 928 PL_runops = runops_trace;
843 SAVETMPS; 955 SAVETMPS;
844 EXTEND (SP, 3); 956 EXTEND (SP, 3);
845 PUSHMARK (SP); 957 PUSHMARK (SP);
846 PUSHs (&PL_sv_yes); 958 PUSHs (&PL_sv_yes);
847 PUSHs (fullname); 959 PUSHs (fullname);
848 PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef); 960 PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
849 PUTBACK; 961 PUTBACK;
850 cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_sub_cb"), 0); 962 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); 963 if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
852 SPAGAIN; 964 SPAGAIN;
853 FREETMPS; 965 FREETMPS;
854 LEAVE; 966 LEAVE;
855 PL_runops = runops_trace; 967 PL_runops = runops_trace;
869 PL_runops = RUNOPS_DEFAULT; 981 PL_runops = RUNOPS_DEFAULT;
870 PUSHMARK (SP); 982 PUSHMARK (SP);
871 PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0))); 983 PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));
872 PUSHs (sv_2mortal (newSViv (CopLINE (oldcop)))); 984 PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));
873 PUTBACK; 985 PUTBACK;
874 cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_line_cb"), 0); 986 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); 987 if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
876 SPAGAIN; 988 SPAGAIN;
877 FREETMPS; 989 FREETMPS;
878 LEAVE; 990 LEAVE;
879 PL_runops = runops_trace; 991 PL_runops = runops_trace;
953 coro_cctx *cctx; 1065 coro_cctx *cctx;
954 void *stack_start; 1066 void *stack_start;
955 size_t stack_size; 1067 size_t stack_size;
956 1068
957 ++cctx_count; 1069 ++cctx_count;
958 fprintf (stderr, "bp1\n");//D
959 1070
960 Newz (0, cctx, 1, coro_cctx); 1071 Newz (0, cctx, 1, coro_cctx);
961 1072
962#if HAVE_MMAP 1073#if HAVE_MMAP
963 cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; 1074 cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;
1070 croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states"); 1181 croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
1071 1182
1072 if (expect_false (next->flags & CF_DESTROYED)) 1183 if (expect_false (next->flags & CF_DESTROYED))
1073 croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states"); 1184 croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
1074 1185
1075 if (
1076#if PERL_VERSION_ATLEAST (5,9,0) 1186#if !PERL_VERSION_ATLEAST (5,10,0)
1077 expect_false (PL_parser)
1078#else
1079 expect_false (PL_lex_state != LEX_NOTPARSING) 1187 if (expect_false (PL_lex_state != LEX_NOTPARSING))
1080#endif
1081 )
1082 croak ("Coro::State::transfer called while parsing, but this is not supported"); 1188 croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version");
1189#endif
1083 } 1190 }
1084} 1191}
1085 1192
1086/* always use the TRANSFER macro */ 1193/* always use the TRANSFER macro */
1087static void NOINLINE 1194static void NOINLINE
1088transfer (pTHX_ struct coro *prev, struct coro *next) 1195transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx)
1089{ 1196{
1090 dSTACKLEVEL; 1197 dSTACKLEVEL;
1198 static volatile int has_throw;
1091 1199
1092 /* sometimes transfer is only called to set idle_sp */ 1200 /* sometimes transfer is only called to set idle_sp */
1093 if (expect_false (!next)) 1201 if (expect_false (!next))
1094 { 1202 {
1095 ((coro_cctx *)prev)->idle_sp = STACKLEVEL; 1203 ((coro_cctx *)prev)->idle_sp = STACKLEVEL;
1110 prev->flags &= ~CF_RUNNING; 1218 prev->flags &= ~CF_RUNNING;
1111 next->flags |= CF_RUNNING; 1219 next->flags |= CF_RUNNING;
1112 1220
1113 LOCK; 1221 LOCK;
1114 1222
1223 /* first get rid of the old state */
1224 save_perl (aTHX_ prev);
1225
1115 if (expect_false (next->flags & CF_NEW)) 1226 if (expect_false (next->flags & CF_NEW))
1116 { 1227 {
1117 /* need to start coroutine */ 1228 /* need to start coroutine */
1118 next->flags &= ~CF_NEW; 1229 next->flags &= ~CF_NEW;
1119 /* first get rid of the old state */
1120 save_perl (aTHX_ prev);
1121 /* setup coroutine call */ 1230 /* setup coroutine call */
1122 coro_setup (aTHX_ next); 1231 coro_setup (aTHX_ next);
1123 } 1232 }
1124 else 1233 else
1125 {
1126 /* coroutine already started */
1127 save_perl (aTHX_ prev);
1128 load_perl (aTHX_ next); 1234 load_perl (aTHX_ next);
1129 }
1130 1235
1131 prev__cctx = prev->cctx; 1236 prev__cctx = prev->cctx;
1132 1237
1133 /* possibly "free" the cctx */ 1238 /* possibly "free" the cctx */
1134 if (expect_true (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE))) 1239 if (expect_true (
1240 prev__cctx->idle_sp == STACKLEVEL
1241 && !(prev__cctx->flags & CC_TRACE)
1242 && !force_cctx
1243 ))
1135 { 1244 {
1136 /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */ 1245 /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */
1137 assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te)); 1246 assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
1138 1247
1139 prev->cctx = 0; 1248 prev->cctx = 0;
1149 1258
1150 ++next->usecount; 1259 ++next->usecount;
1151 1260
1152 if (expect_true (!next->cctx)) 1261 if (expect_true (!next->cctx))
1153 next->cctx = cctx_get (aTHX); 1262 next->cctx = cctx_get (aTHX);
1263
1264 has_throw = !!next->throw;
1154 1265
1155 if (expect_false (prev__cctx != next->cctx)) 1266 if (expect_false (prev__cctx != next->cctx))
1156 { 1267 {
1157 prev__cctx->top_env = PL_top_env; 1268 prev__cctx->top_env = PL_top_env;
1158 PL_top_env = next->cctx->top_env; 1269 PL_top_env = next->cctx->top_env;
1160 } 1271 }
1161 1272
1162 free_coro_mortal (aTHX); 1273 free_coro_mortal (aTHX);
1163 UNLOCK; 1274 UNLOCK;
1164 1275
1165 if (expect_false (prev->throw || next->throw)) 1276 if (expect_false (has_throw))
1166 { 1277 {
1167 struct coro *coro = SvSTATE (coro_current); 1278 struct coro *coro = SvSTATE (coro_current);
1168 1279
1169 if (coro->throw) 1280 if (coro->throw)
1170 { 1281 {
1180struct transfer_args 1291struct transfer_args
1181{ 1292{
1182 struct coro *prev, *next; 1293 struct coro *prev, *next;
1183}; 1294};
1184 1295
1185#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next) 1296#define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx))
1186#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) 1297#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
1187 1298
1188/** high level stuff ********************************************************/ 1299/** high level stuff ********************************************************/
1189 1300
1190static int 1301static int
1284{ 1395{
1285 dTHX; 1396 dTHX;
1286 struct transfer_args ta; 1397 struct transfer_args ta;
1287 1398
1288 prepare_transfer (aTHX_ &ta, prev_sv, next_sv); 1399 prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1289 TRANSFER (ta); 1400 TRANSFER (ta, 1);
1290} 1401}
1291 1402
1292/** Coro ********************************************************************/ 1403/** Coro ********************************************************************/
1293 1404
1294static void 1405static void
1296{ 1407{
1297 av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv); 1408 av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv);
1298} 1409}
1299 1410
1300static SV * 1411static SV *
1301coro_deq (pTHX_ int min_prio) 1412coro_deq (pTHX)
1302{ 1413{
1303 int prio = PRIO_MAX - PRIO_MIN; 1414 int prio;
1304 1415
1305 min_prio -= PRIO_MIN;
1306 if (min_prio < 0)
1307 min_prio = 0;
1308
1309 for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= min_prio; ) 1416 for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; )
1310 if (AvFILLp (coro_ready [prio]) >= 0) 1417 if (AvFILLp (coro_ready [prio]) >= 0)
1311 return av_shift (coro_ready [prio]); 1418 return av_shift (coro_ready [prio]);
1312 1419
1313 return 0; 1420 return 0;
1314} 1421}
1316static int 1423static int
1317api_ready (SV *coro_sv) 1424api_ready (SV *coro_sv)
1318{ 1425{
1319 dTHX; 1426 dTHX;
1320 struct coro *coro; 1427 struct coro *coro;
1428 SV *sv_hook;
1429 void (*xs_hook)(void);
1321 1430
1322 if (SvROK (coro_sv)) 1431 if (SvROK (coro_sv))
1323 coro_sv = SvRV (coro_sv); 1432 coro_sv = SvRV (coro_sv);
1324 1433
1325 coro = SvSTATE (coro_sv); 1434 coro = SvSTATE (coro_sv);
1328 return 0; 1437 return 0;
1329 1438
1330 coro->flags |= CF_READY; 1439 coro->flags |= CF_READY;
1331 1440
1332 LOCK; 1441 LOCK;
1442
1443 sv_hook = coro_nready ? 0 : coro_readyhook;
1444 xs_hook = coro_nready ? 0 : coroapi.readyhook;
1445
1333 coro_enq (aTHX_ SvREFCNT_inc (coro_sv)); 1446 coro_enq (aTHX_ SvREFCNT_inc (coro_sv));
1334 ++coro_nready; 1447 ++coro_nready;
1448
1335 UNLOCK; 1449 UNLOCK;
1450
1451 if (sv_hook)
1452 {
1453 dSP;
1454
1455 ENTER;
1456 SAVETMPS;
1457
1458 PUSHMARK (SP);
1459 PUTBACK;
1460 call_sv (sv_hook, G_DISCARD);
1461 SPAGAIN;
1462
1463 FREETMPS;
1464 LEAVE;
1465 }
1466
1467 if (xs_hook)
1468 xs_hook ();
1336 1469
1337 return 1; 1470 return 1;
1338} 1471}
1339 1472
1340static int 1473static int
1350 SV *prev_sv, *next_sv; 1483 SV *prev_sv, *next_sv;
1351 1484
1352 for (;;) 1485 for (;;)
1353 { 1486 {
1354 LOCK; 1487 LOCK;
1355 next_sv = coro_deq (aTHX_ PRIO_MIN); 1488 next_sv = coro_deq (aTHX);
1356 1489
1357 /* nothing to schedule: call the idle handler */ 1490 /* nothing to schedule: call the idle handler */
1358 if (expect_false (!next_sv)) 1491 if (expect_false (!next_sv))
1359 { 1492 {
1360 dSP; 1493 dSP;
1364 SAVETMPS; 1497 SAVETMPS;
1365 1498
1366 PUSHMARK (SP); 1499 PUSHMARK (SP);
1367 PUTBACK; 1500 PUTBACK;
1368 call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD); 1501 call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD);
1502 SPAGAIN;
1369 1503
1370 FREETMPS; 1504 FREETMPS;
1371 LEAVE; 1505 LEAVE;
1372 continue; 1506 continue;
1373 } 1507 }
1428{ 1562{
1429 dTHX; 1563 dTHX;
1430 struct transfer_args ta; 1564 struct transfer_args ta;
1431 1565
1432 prepare_schedule (aTHX_ &ta); 1566 prepare_schedule (aTHX_ &ta);
1433 TRANSFER (ta); 1567 TRANSFER (ta, 1);
1434} 1568}
1435 1569
1436static int 1570static int
1437api_cede (void) 1571api_cede (void)
1438{ 1572{
1441 1575
1442 prepare_cede (aTHX_ &ta); 1576 prepare_cede (aTHX_ &ta);
1443 1577
1444 if (expect_true (ta.prev != ta.next)) 1578 if (expect_true (ta.prev != ta.next))
1445 { 1579 {
1446 TRANSFER (ta); 1580 TRANSFER (ta, 1);
1447 return 1; 1581 return 1;
1448 } 1582 }
1449 else 1583 else
1450 return 0; 1584 return 0;
1451} 1585}
1456 dTHX; 1590 dTHX;
1457 struct transfer_args ta; 1591 struct transfer_args ta;
1458 1592
1459 if (prepare_cede_notself (aTHX_ &ta)) 1593 if (prepare_cede_notself (aTHX_ &ta))
1460 { 1594 {
1461 TRANSFER (ta); 1595 TRANSFER (ta, 1);
1462 return 1; 1596 return 1;
1463 } 1597 }
1464 else 1598 else
1465 return 0; 1599 return 0;
1466} 1600}
1489 else 1623 else
1490 coro->slot->runops = RUNOPS_DEFAULT; 1624 coro->slot->runops = RUNOPS_DEFAULT;
1491 } 1625 }
1492} 1626}
1493 1627
1628static int
1629coro_gensub_free (pTHX_ SV *sv, MAGIC *mg)
1630{
1631 AV *padlist;
1632 AV *av = (AV *)mg->mg_obj;
1633
1634 abort ();
1635
1636 return 0;
1637}
1638
1639static MGVTBL coro_gensub_vtbl = {
1640 0, 0, 0, 0,
1641 coro_gensub_free
1642};
1643
1494MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ 1644MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1495 1645
1496PROTOTYPES: DISABLE 1646PROTOTYPES: DISABLE
1497 1647
1498BOOT: 1648BOOT:
1503 BOOT_PAGESIZE; 1653 BOOT_PAGESIZE;
1504 1654
1505 irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); 1655 irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV);
1506 stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); 1656 stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO);
1507 1657
1658 orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;
1659 orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;
1660 orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr;
1661
1508 hv_sig = coro_get_hv ("SIG", TRUE); 1662 hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);
1509 sv_diehook = coro_get_sv ("Coro::State::DIEHOOK" , TRUE); 1663 rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));
1510 sv_warnhook = coro_get_sv ("Coro::State::WARNHOOK", TRUE); 1664 rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));
1511
1512 if (!PL_diehook ) hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0);
1513 if (!PL_warnhook) hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0);
1514 1665
1515 coro_state_stash = gv_stashpv ("Coro::State", TRUE); 1666 coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1516 1667
1517 newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE)); 1668 newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1518 newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB)); 1669 newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
1523 main_top_env = PL_top_env; 1674 main_top_env = PL_top_env;
1524 1675
1525 while (main_top_env->je_prev) 1676 while (main_top_env->je_prev)
1526 main_top_env = main_top_env->je_prev; 1677 main_top_env = main_top_env->je_prev;
1527 1678
1528 coroapi.ver = CORO_API_VERSION; 1679 coroapi.ver = CORO_API_VERSION;
1680 coroapi.rev = CORO_API_REVISION;
1529 coroapi.transfer = api_transfer; 1681 coroapi.transfer = api_transfer;
1530 1682
1531 assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); 1683 assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
1532} 1684}
1533 1685
1534SV * 1686SV *
1535new (char *klass, ...) 1687new (char *klass, ...)
1536 CODE: 1688 CODE:
1537{ 1689{
1538 struct coro *coro; 1690 struct coro *coro;
1691 MAGIC *mg;
1539 HV *hv; 1692 HV *hv;
1540 int i; 1693 int i;
1541 1694
1542 Newz (0, coro, 1, struct coro); 1695 Newz (0, coro, 1, struct coro);
1543 coro->args = newAV (); 1696 coro->args = newAV ();
1546 if (coro_first) coro_first->prev = coro; 1699 if (coro_first) coro_first->prev = coro;
1547 coro->next = coro_first; 1700 coro->next = coro_first;
1548 coro_first = coro; 1701 coro_first = coro;
1549 1702
1550 coro->hv = hv = newHV (); 1703 coro->hv = hv = newHV ();
1551 sv_magicext ((SV *)hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char *)coro, 0)->mg_flags |= MGf_DUP; 1704 mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0);
1705 mg->mg_flags |= MGf_DUP;
1552 RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); 1706 RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1553 1707
1554 av_extend (coro->args, items - 1); 1708 av_extend (coro->args, items - 1);
1555 for (i = 1; i < items; i++) 1709 for (i = 1; i < items; i++)
1556 av_push (coro->args, newSVsv (ST (i))); 1710 av_push (coro->args, newSVsv (ST (i)));
1570 Coro::cede_notself = 4 1724 Coro::cede_notself = 4
1571 CODE: 1725 CODE:
1572{ 1726{
1573 struct transfer_args ta; 1727 struct transfer_args ta;
1574 1728
1729 PUTBACK;
1575 switch (ix) 1730 switch (ix)
1576 { 1731 {
1577 case 0: 1732 case 0:
1578 ta.prev = (struct coro *)INT2PTR (coro_cctx *, SvIV (ST (0))); 1733 ta.prev = (struct coro *)INT2PTR (coro_cctx *, SvIV (ST (0)));
1579 ta.next = 0; 1734 ta.next = 0;
1598 if (!prepare_cede_notself (aTHX_ &ta)) 1753 if (!prepare_cede_notself (aTHX_ &ta))
1599 XSRETURN_EMPTY; 1754 XSRETURN_EMPTY;
1600 1755
1601 break; 1756 break;
1602 } 1757 }
1758 SPAGAIN;
1603 1759
1604 BARRIER; 1760 BARRIER;
1761 PUTBACK;
1605 TRANSFER (ta); 1762 TRANSFER (ta, 0);
1606 1763 SPAGAIN; /* might be the sp of a different coroutine now */
1607 if (expect_false (GIMME_V != G_VOID && ta.next != ta.prev)) 1764 /* be extra careful not to ever do anything after TRANSFER */
1608 XSRETURN_YES;
1609} 1765}
1610 1766
1611bool 1767bool
1612_destroy (SV *coro_sv) 1768_destroy (SV *coro_sv)
1613 CODE: 1769 CODE:
1614 RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); 1770 RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));
1615 OUTPUT: 1771 OUTPUT:
1616 RETVAL 1772 RETVAL
1617 1773
1618void 1774void
1619_exit (code) 1775_exit (int code)
1620 int code
1621 PROTOTYPE: $ 1776 PROTOTYPE: $
1622 CODE: 1777 CODE:
1623 _exit (code); 1778 _exit (code);
1624 1779
1625int 1780int
1665 { 1820 {
1666 struct coro temp; 1821 struct coro temp;
1667 1822
1668 if (!(coro->flags & CF_RUNNING)) 1823 if (!(coro->flags & CF_RUNNING))
1669 { 1824 {
1825 PUTBACK;
1670 save_perl (aTHX_ &temp); 1826 save_perl (aTHX_ &temp);
1671 load_perl (aTHX_ coro); 1827 load_perl (aTHX_ coro);
1672 } 1828 }
1673 1829
1674 { 1830 {
1675 dSP; 1831 dSP;
1676 ENTER; 1832 ENTER;
1677 SAVETMPS; 1833 SAVETMPS;
1834 PUTBACK;
1835 PUSHSTACK;
1678 PUSHMARK (SP); 1836 PUSHMARK (SP);
1679 PUTBACK;
1680 1837
1681 if (ix) 1838 if (ix)
1682 eval_sv (coderef, 0); 1839 eval_sv (coderef, 0);
1683 else 1840 else
1684 call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); 1841 call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
1685 1842
1843 POPSTACK;
1686 SPAGAIN; 1844 SPAGAIN;
1687 FREETMPS; 1845 FREETMPS;
1688 LEAVE; 1846 LEAVE;
1689 PUTBACK; 1847 PUTBACK;
1690 } 1848 }
1691 1849
1692 if (!(coro->flags & CF_RUNNING)) 1850 if (!(coro->flags & CF_RUNNING))
1693 { 1851 {
1694 save_perl (aTHX_ coro); 1852 save_perl (aTHX_ coro);
1695 load_perl (aTHX_ &temp); 1853 load_perl (aTHX_ &temp);
1854 SPAGAIN;
1696 } 1855 }
1697 } 1856 }
1698} 1857}
1699 1858
1700SV * 1859SV *
1712 1871
1713void 1872void
1714api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) 1873api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB)
1715 1874
1716SV * 1875SV *
1717has_stack (Coro::State coro) 1876has_cctx (Coro::State coro)
1718 PROTOTYPE: $ 1877 PROTOTYPE: $
1719 CODE: 1878 CODE:
1720 RETVAL = boolSV (!!coro->cctx); 1879 RETVAL = boolSV (!!coro->cctx);
1721 OUTPUT: 1880 OUTPUT:
1722 RETVAL 1881 RETVAL
1741 case 1: RETVAL = coro->usecount; break; 1900 case 1: RETVAL = coro->usecount; break;
1742 } 1901 }
1743 OUTPUT: 1902 OUTPUT:
1744 RETVAL 1903 RETVAL
1745 1904
1905void
1906force_cctx ()
1907 CODE:
1908 struct coro *coro = SvSTATE (coro_current);
1909 coro->cctx->idle_sp = 0;
1910
1911void
1912throw (Coro::State self, SV *throw = &PL_sv_undef)
1913 PROTOTYPE: $;$
1914 CODE:
1915 SvREFCNT_dec (self->throw);
1916 self->throw = SvOK (throw) ? newSVsv (throw) : 0;
1917
1918void
1919swap_defsv (Coro::State self)
1920 PROTOTYPE: $
1921 ALIAS:
1922 swap_defav = 1
1923 CODE:
1924 if (!self->slot)
1925 croak ("cannot swap state with coroutine that has no saved state");
1926 else
1927 {
1928 SV **src = ix ? (SV **)&GvAV (PL_defgv) : &GvSV (PL_defgv);
1929 SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv;
1930
1931 SV *tmp = *src; *src = *dst; *dst = tmp;
1932 }
1746 1933
1747MODULE = Coro::State PACKAGE = Coro 1934MODULE = Coro::State PACKAGE = Coro
1748 1935
1749BOOT: 1936BOOT:
1750{ 1937{
1751 int i; 1938 int i;
1752 1939
1753 sv_pool_rss = coro_get_sv ("Coro::POOL_RSS" , TRUE);
1754 sv_pool_size = coro_get_sv ("Coro::POOL_SIZE" , TRUE);
1755 av_async_pool = coro_get_av ("Coro::async_pool", TRUE); 1940 av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
1941 sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
1942 sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
1756 1943
1757 coro_current = coro_get_sv ("Coro::current", FALSE); 1944 coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);
1758 SvREADONLY_on (coro_current); 1945 SvREADONLY_on (coro_current);
1759 1946
1760 coro_stash = gv_stashpv ("Coro", TRUE); 1947 coro_stash = gv_stashpv ("Coro", TRUE);
1761 1948
1762 newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); 1949 newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
1792 PROTOTYPE: $ 1979 PROTOTYPE: $
1793 CODE: 1980 CODE:
1794 SvREFCNT_dec (SvRV (coro_current)); 1981 SvREFCNT_dec (SvRV (coro_current));
1795 SvRV_set (coro_current, SvREFCNT_inc (SvRV (current))); 1982 SvRV_set (coro_current, SvREFCNT_inc (SvRV (current)));
1796 1983
1984void
1985_set_readyhook (SV *hook)
1986 PROTOTYPE: $
1987 CODE:
1988 LOCK;
1989 SvREFCNT_dec (coro_readyhook);
1990 coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;
1991 UNLOCK;
1992
1797int 1993int
1798prio (Coro::State coro, int newprio = 0) 1994prio (Coro::State coro, int newprio = 0)
1799 ALIAS: 1995 ALIAS:
1800 nice = 1 1996 nice = 1
1801 CODE: 1997 CODE:
1830 CODE: 2026 CODE:
1831 RETVAL = coro_nready; 2027 RETVAL = coro_nready;
1832 OUTPUT: 2028 OUTPUT:
1833 RETVAL 2029 RETVAL
1834 2030
1835void
1836throw (Coro::State self, SV *throw = &PL_sv_undef)
1837 PROTOTYPE: $;$
1838 CODE:
1839 SvREFCNT_dec (self->throw);
1840 self->throw = SvOK (throw) ? newSVsv (throw) : 0;
1841
1842# for async_pool speedup 2031# for async_pool speedup
1843void 2032void
1844_pool_1 (SV *cb) 2033_pool_1 (SV *cb)
1845 CODE: 2034 CODE:
1846{ 2035{
1847 struct coro *coro = SvSTATE (coro_current); 2036 struct coro *coro = SvSTATE (coro_current);
1848 HV *hv = (HV *)SvRV (coro_current); 2037 HV *hv = (HV *)SvRV (coro_current);
1849 AV *defav = GvAV (PL_defgv); 2038 AV *defav = GvAV (PL_defgv);
1850 SV *invoke = hv_delete (hv, strpair ("_invoke"), 0); 2039 SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
1851 AV *invoke_av; 2040 AV *invoke_av;
1852 int i, len; 2041 int i, len;
1853 2042
1854 if (!invoke) 2043 if (!invoke)
2044 {
2045 SV *old = PL_diehook;
2046 PL_diehook = 0;
2047 SvREFCNT_dec (old);
1855 croak ("\3async_pool terminate\2\n"); 2048 croak ("\3async_pool terminate\2\n");
2049 }
1856 2050
1857 SvREFCNT_dec (coro->saved_deffh); 2051 SvREFCNT_dec (coro->saved_deffh);
1858 coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv); 2052 coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);
1859 2053
1860 hv_store (hv, "desc", sizeof ("desc") - 1, 2054 hv_store (hv, "desc", sizeof ("desc") - 1,
1861 newSVpvn (strpair ("[async_pool]")), 0); 2055 newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
1862 2056
1863 invoke_av = (AV *)SvRV (invoke); 2057 invoke_av = (AV *)SvRV (invoke);
1864 len = av_len (invoke_av); 2058 len = av_len (invoke_av);
1865 2059
1866 sv_setsv (cb, AvARRAY (invoke_av)[0]); 2060 sv_setsv (cb, AvARRAY (invoke_av)[0]);
1886 SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; 2080 SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh;
1887 coro->saved_deffh = 0; 2081 coro->saved_deffh = 0;
1888 2082
1889 if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss) 2083 if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1890 || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) 2084 || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
2085 {
2086 SV *old = PL_diehook;
2087 PL_diehook = 0;
2088 SvREFCNT_dec (old);
1891 croak ("\3async_pool terminate\2\n"); 2089 croak ("\3async_pool terminate\2\n");
2090 }
1892 2091
1893 av_clear (GvAV (PL_defgv)); 2092 av_clear (GvAV (PL_defgv));
1894 hv_store ((HV *)SvRV (coro_current), strpair ("desc"), 2093 hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
1895 newSVpvn (strpair ("[async_pool idle]")), 0); 2094 newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
1896 2095
1897 coro->prio = 0; 2096 coro->prio = 0;
1898 2097
1899 if (coro->cctx && (coro->cctx->flags & CC_TRACE)) 2098 if (coro->cctx && (coro->cctx->flags & CC_TRACE))
1900 api_trace (coro_current, 0); 2099 api_trace (coro_current, 0);
1901 2100
1902 av_push (av_async_pool, newSVsv (coro_current)); 2101 av_push (av_async_pool, newSVsv (coro_current));
1903} 2102}
2103
2104#if 0
2105
2106void
2107_generator_call (...)
2108 PROTOTYPE: @
2109 PPCODE:
2110 fprintf (stderr, "call %p\n", CvXSUBANY(cv).any_ptr);
2111 xxxx
2112 abort ();
2113
2114SV *
2115gensub (SV *sub, ...)
2116 PROTOTYPE: &;@
2117 CODE:
2118{
2119 struct coro *coro;
2120 MAGIC *mg;
2121 CV *xcv;
2122 CV *ncv = (CV *)newSV_type (SVt_PVCV);
2123 int i;
2124
2125 CvGV (ncv) = CvGV (cv);
2126 CvFILE (ncv) = CvFILE (cv);
2127
2128 Newz (0, coro, 1, struct coro);
2129 coro->args = newAV ();
2130 coro->flags = CF_NEW;
2131
2132 av_extend (coro->args, items - 1);
2133 for (i = 1; i < items; i++)
2134 av_push (coro->args, newSVsv (ST (i)));
2135
2136 CvISXSUB_on (ncv);
2137 CvXSUBANY (ncv).any_ptr = (void *)coro;
2138
2139 xcv = GvCV (gv_fetchpv ("Coro::_generator_call", 0, SVt_PVCV));
2140
2141 CvXSUB (ncv) = CvXSUB (xcv);
2142 CvANON_on (ncv);
2143
2144 mg = sv_magicext ((SV *)ncv, 0, CORO_MAGIC_type_state, &coro_gensub_vtbl, (char *)coro, 0);
2145 RETVAL = newRV_noinc ((SV *)ncv);
2146}
2147 OUTPUT:
2148 RETVAL
2149
2150#endif
1904 2151
1905 2152
1906MODULE = Coro::State PACKAGE = Coro::AIO 2153MODULE = Coro::State PACKAGE = Coro::AIO
1907 2154
1908SV * 2155SV *
1935 PL_laststype = data->laststype; 2182 PL_laststype = data->laststype;
1936 PL_laststatval = data->laststatval; 2183 PL_laststatval = data->laststatval;
1937 PL_statcache = data->statcache; 2184 PL_statcache = data->statcache;
1938} 2185}
1939 2186
2187
2188MODULE = Coro::State PACKAGE = Coro::AnyEvent
2189
2190BOOT:
2191 sv_activity = coro_get_sv (aTHX_ "Coro::AnyEvent::ACTIVITY", TRUE);
2192
2193SV *
2194_schedule (...)
2195 PROTOTYPE: @
2196 CODE:
2197{
2198 static int incede;
2199
2200 api_cede_notself ();
2201
2202 ++incede;
2203 while (coro_nready >= incede && api_cede ())
2204 ;
2205
2206 sv_setsv (sv_activity, &PL_sv_undef);
2207 if (coro_nready >= incede)
2208 {
2209 PUSHMARK (SP);
2210 PUTBACK;
2211 call_pv ("Coro::AnyEvent::_activity", G_DISCARD | G_EVAL);
2212 SPAGAIN;
2213 }
2214
2215 --incede;
2216}
2217

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