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Comparing Coro/Coro/State.xs (file contents):
Revision 1.210 by root, Wed Oct 10 03:24:40 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
15#include <inttypes.h> /* portable stdint.h */ 22# include <inttypes.h> /* most portable stdint.h */
23#endif
16 24
17#ifdef HAVE_MMAP 25#ifdef HAVE_MMAP
18# include <unistd.h> 26# include <unistd.h>
19# include <sys/mman.h> 27# include <sys/mman.h>
20# ifndef MAP_ANONYMOUS 28# ifndef MAP_ANONYMOUS
72# ifndef IS_PADCONST 80# ifndef IS_PADCONST
73# define IS_PADCONST(v) 0 81# define IS_PADCONST(v) 0
74# endif 82# endif
75#endif 83#endif
76 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
77/* 5.8.7 */ 98/* 5.8.7 */
78#ifndef SvRV_set 99#ifndef SvRV_set
79# define SvRV_set(s,v) SvRV(s) = (v) 100# define SvRV_set(s,v) SvRV(s) = (v)
80#endif
81
82/* 5.8.8 */
83#ifndef GV_NOTQUAL
84# define GV_NOTQUAL 0
85#endif
86#ifndef newSV
87# define newSV(l) NEWSV(0,l)
88#endif 101#endif
89 102
90#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 103#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64
91# undef CORO_STACKGUARD 104# undef CORO_STACKGUARD
92#endif 105#endif
131#else 144#else
132# define LOCK (void)0 145# define LOCK (void)0
133# define UNLOCK (void)0 146# define UNLOCK (void)0
134#endif 147#endif
135 148
136#define strpair(const) const, sizeof (const) - 1
137
138/* helper storage struct for Coro::AIO */ 149/* helper storage struct for Coro::AIO */
139struct io_state 150struct io_state
140{ 151{
141 int errorno; 152 int errorno;
142 I32 laststype; 153 I32 laststype;
147static size_t coro_stacksize = CORO_STACKSIZE; 158static size_t coro_stacksize = CORO_STACKSIZE;
148static struct CoroAPI coroapi; 159static struct CoroAPI coroapi;
149static AV *main_mainstack; /* used to differentiate between $main and others */ 160static AV *main_mainstack; /* used to differentiate between $main and others */
150static JMPENV *main_top_env; 161static JMPENV *main_top_env;
151static HV *coro_state_stash, *coro_stash; 162static HV *coro_state_stash, *coro_stash;
152static SV *coro_mortal; /* will be freed after next transfer */ 163static volatile SV *coro_mortal; /* will be freed after next transfer */
153 164
154static GV *irsgv; /* $/ */ 165static GV *irsgv; /* $/ */
155static GV *stdoutgv; /* *STDOUT */ 166static GV *stdoutgv; /* *STDOUT */
156 167static SV *rv_diehook;
168static SV *rv_warnhook;
157static HV *hv_sig; /* %SIG */ 169static HV *hv_sig; /* %SIG */
158static SV *sv_diehook;
159static SV *sv_warnhook;
160 170
161/* async_pool helper stuff */ 171/* async_pool helper stuff */
162static SV *sv_pool_rss; 172static SV *sv_pool_rss;
163static SV *sv_pool_size; 173static SV *sv_pool_size;
164static AV *av_async_pool; 174static AV *av_async_pool;
165 175
166static struct coro_cctx *cctx_first[3]; /* index by GIMME_V type, void, scalar, array */ 176/* Coro::AnyEvent */
177static SV *sv_activity;
178
179static struct coro_cctx *cctx_first;
167static int cctx_count, cctx_idle[3]; 180static int cctx_count, cctx_idle;
168 181
169enum { 182enum {
170 CC_MAPPED = 0x01, 183 CC_MAPPED = 0x01,
171 CC_NOREUSE = 0x02, /* throw this away after tracing */ 184 CC_NOREUSE = 0x02, /* throw this away after tracing */
172 CC_TRACE = 0x04, 185 CC_TRACE = 0x04,
217 230
218/* this is a structure representing a perl-level coroutine */ 231/* this is a structure representing a perl-level coroutine */
219struct coro { 232struct coro {
220 /* the c coroutine allocated to this perl coroutine, if any */ 233 /* the c coroutine allocated to this perl coroutine, if any */
221 coro_cctx *cctx; 234 coro_cctx *cctx;
222 int gimme;
223 235
224 /* process data */ 236 /* process data */
225 AV *mainstack; 237 AV *mainstack;
226 perl_slots *slot; /* basically the saved sp */ 238 perl_slots *slot; /* basically the saved sp */
227 239
256#define PRIO_IDLE -3 268#define PRIO_IDLE -3
257#define PRIO_MIN -4 269#define PRIO_MIN -4
258 270
259/* for Coro.pm */ 271/* for Coro.pm */
260static SV *coro_current; 272static SV *coro_current;
273static SV *coro_readyhook;
261static AV *coro_ready [PRIO_MAX-PRIO_MIN+1]; 274static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
262static int coro_nready; 275static int coro_nready;
263static struct coro *coro_first; 276static struct coro *coro_first;
264 277
265/** lowlevel stuff **********************************************************/ 278/** lowlevel stuff **********************************************************/
266 279
267static SV * 280static SV *
268coro_get_sv (const char *name, int create) 281coro_get_sv (pTHX_ const char *name, int create)
269{ 282{
270#if PERL_VERSION_ATLEAST (5,9,0) 283#if PERL_VERSION_ATLEAST (5,10,0)
271 /* 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 */
272 get_sv (name, create); 285 get_sv (name, create);
273#endif 286#endif
274 return get_sv (name, create); 287 return get_sv (name, create);
275} 288}
276 289
277static AV * 290static AV *
278coro_get_av (const char *name, int create) 291coro_get_av (pTHX_ const char *name, int create)
279{ 292{
280#if PERL_VERSION_ATLEAST (5,9,0) 293#if PERL_VERSION_ATLEAST (5,10,0)
281 /* 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 */
282 get_av (name, create); 295 get_av (name, create);
283#endif 296#endif
284 return get_av (name, create); 297 return get_av (name, create);
285} 298}
286 299
287static HV * 300static HV *
288coro_get_hv (const char *name, int create) 301coro_get_hv (pTHX_ const char *name, int create)
289{ 302{
290#if PERL_VERSION_ATLEAST (5,9,0) 303#if PERL_VERSION_ATLEAST (5,10,0)
291 /* 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 */
292 get_hv (name, create); 305 get_hv (name, create);
293#endif 306#endif
294 return get_hv (name, create); 307 return get_hv (name, create);
295} 308}
300 AV *padlist = CvPADLIST (cv); 313 AV *padlist = CvPADLIST (cv);
301 AV *newpadlist, *newpad; 314 AV *newpadlist, *newpad;
302 315
303 newpadlist = newAV (); 316 newpadlist = newAV ();
304 AvREAL_off (newpadlist); 317 AvREAL_off (newpadlist);
305#if PERL_VERSION_ATLEAST (5,9,0) 318#if PERL_VERSION_ATLEAST (5,10,0)
306 Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1); 319 Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);
307#else 320#else
308 Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); 321 Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
309#endif 322#endif
310 newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; 323 newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
348 361
349 /* casting is fun. */ 362 /* casting is fun. */
350 while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) 363 while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av)))
351 free_padlist (aTHX_ padlist); 364 free_padlist (aTHX_ padlist);
352 365
353 SvREFCNT_dec (av);
354
355 return 0; 366 return 0;
356} 367}
357 368
358#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
359 371
360static 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};
361 376
362#define CORO_MAGIC(cv) \ 377#define CORO_MAGIC(sv,type) \
363 SvMAGIC (cv) \ 378 SvMAGIC (sv) \
364 ? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \ 379 ? SvMAGIC (sv)->mg_type == type \
365 ? SvMAGIC (cv) \ 380 ? SvMAGIC (sv) \
366 : mg_find ((SV *)cv, PERL_MAGIC_coro) \ 381 : mg_find (sv, type) \
367 : 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)
368 386
369static struct coro * 387static struct coro *
370SvSTATE_ (pTHX_ SV *coro) 388SvSTATE_ (pTHX_ SV *coro)
371{ 389{
372 HV *stash; 390 HV *stash;
384 /* very slow, but rare, check */ 402 /* very slow, but rare, check */
385 if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) 403 if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
386 croak ("Coro::State object required"); 404 croak ("Coro::State object required");
387 } 405 }
388 406
389 mg = CORO_MAGIC (coro); 407 mg = CORO_MAGIC_state (coro);
390 return (struct coro *)mg->mg_ptr; 408 return (struct coro *)mg->mg_ptr;
391} 409}
392 410
393#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) 411#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
394 412
395/* the next two functions merely cache the padlists */ 413/* the next two functions merely cache the padlists */
396static void 414static void
397get_padlist (pTHX_ CV *cv) 415get_padlist (pTHX_ CV *cv)
398{ 416{
399 MAGIC *mg = CORO_MAGIC (cv); 417 MAGIC *mg = CORO_MAGIC_cv (cv);
400 AV *av; 418 AV *av;
401 419
402 if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) 420 if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))
403 CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; 421 CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
404 else 422 else
416} 434}
417 435
418static void 436static void
419put_padlist (pTHX_ CV *cv) 437put_padlist (pTHX_ CV *cv)
420{ 438{
421 MAGIC *mg = CORO_MAGIC (cv); 439 MAGIC *mg = CORO_MAGIC_cv (cv);
422 AV *av; 440 AV *av;
423 441
424 if (expect_false (!mg)) 442 if (expect_false (!mg))
425 { 443 mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);
426 sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0);
427 mg = mg_find ((SV *)cv, PERL_MAGIC_coro);
428 mg->mg_virtual = &vtbl_coro;
429 mg->mg_obj = (SV *)newAV ();
430 }
431 444
432 av = (AV *)mg->mg_obj; 445 av = (AV *)mg->mg_obj;
433 446
434 if (expect_false (AvFILLp (av) >= AvMAX (av))) 447 if (expect_false (AvFILLp (av) >= AvMAX (av)))
435 av_extend (av, AvMAX (av) + 1); 448 av_extend (av, AvMAX (av) + 1);
453 GvSV (irsgv) = slot->irsgv; 466 GvSV (irsgv) = slot->irsgv;
454 467
455 #define VAR(name,type) PL_ ## name = slot->name; 468 #define VAR(name,type) PL_ ## name = slot->name;
456 # include "state.h" 469 # include "state.h"
457 #undef VAR 470 #undef VAR
458
459 /*hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0);*/
460 /*hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0);*/
461 471
462 { 472 {
463 dSP; 473 dSP;
464 474
465 CV *cv; 475 CV *cv;
504 514
505 if (expect_true (CvDEPTH (cv))) 515 if (expect_true (CvDEPTH (cv)))
506 { 516 {
507 EXTEND (SP, 3); 517 EXTEND (SP, 3);
508 PUSHs ((SV *)CvPADLIST (cv)); 518 PUSHs ((SV *)CvPADLIST (cv));
509 PUSHs (INT2PTR (SV *, CvDEPTH (cv))); 519 PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv)));
510 PUSHs ((SV *)cv); 520 PUSHs ((SV *)cv);
511 521
512 CvDEPTH (cv) = 0; 522 CvDEPTH (cv) = 0;
513 get_padlist (aTHX_ cv); 523 get_padlist (aTHX_ cv);
514 } 524 }
594 604
595 New(54,PL_savestack,24,ANY); 605 New(54,PL_savestack,24,ANY);
596 PL_savestack_ix = 0; 606 PL_savestack_ix = 0;
597 PL_savestack_max = 24; 607 PL_savestack_max = 24;
598 608
599#if !PERL_VERSION_ATLEAST (5,9,0) 609#if !PERL_VERSION_ATLEAST (5,10,0)
600 New(54,PL_retstack,4,OP*); 610 New(54,PL_retstack,4,OP*);
601 PL_retstack_ix = 0; 611 PL_retstack_ix = 0;
602 PL_retstack_max = 4; 612 PL_retstack_max = 4;
603#endif 613#endif
604} 614}
627 637
628 Safefree (PL_tmps_stack); 638 Safefree (PL_tmps_stack);
629 Safefree (PL_markstack); 639 Safefree (PL_markstack);
630 Safefree (PL_scopestack); 640 Safefree (PL_scopestack);
631 Safefree (PL_savestack); 641 Safefree (PL_savestack);
632#if !PERL_VERSION_ATLEAST (5,9,0) 642#if !PERL_VERSION_ATLEAST (5,10,0)
633 Safefree (PL_retstack); 643 Safefree (PL_retstack);
634#endif 644#endif
635} 645}
636 646
637static size_t 647static size_t
661 rss += slot->tmps_max * sizeof (SV *); 671 rss += slot->tmps_max * sizeof (SV *);
662 rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32); 672 rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
663 rss += slot->scopestack_max * sizeof (I32); 673 rss += slot->scopestack_max * sizeof (I32);
664 rss += slot->savestack_max * sizeof (ANY); 674 rss += slot->savestack_max * sizeof (ANY);
665 675
666#if !PERL_VERSION_ATLEAST (5,9,0) 676#if !PERL_VERSION_ATLEAST (5,10,0)
667 rss += slot->retstack_max * sizeof (OP *); 677 rss += slot->retstack_max * sizeof (OP *);
668#endif 678#endif
669 } 679 }
670 680
671 return rss; 681 return rss;
672} 682}
673 683
674/** 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}
675 743
676static void 744static void
677coro_setup (pTHX_ struct coro *coro) 745coro_setup (pTHX_ struct coro *coro)
678{ 746{
679 /* 747 /*
688 PL_curpm = 0; 756 PL_curpm = 0;
689 PL_curpad = 0; 757 PL_curpad = 0;
690 PL_localizing = 0; 758 PL_localizing = 0;
691 PL_dirty = 0; 759 PL_dirty = 0;
692 PL_restartop = 0; 760 PL_restartop = 0;
693 PL_diehook = 0; hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0); 761#if PERL_VERSION_ATLEAST (5,10,0)
694 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);
695 768
696 GvSV (PL_defgv) = newSV (0); 769 GvSV (PL_defgv) = newSV (0);
697 GvAV (PL_defgv) = coro->args; coro->args = 0; 770 GvAV (PL_defgv) = coro->args; coro->args = 0;
698 GvSV (PL_errgv) = newSV (0); 771 GvSV (PL_errgv) = newSV (0);
699 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 XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv)))); 785 XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv))));
713 PUTBACK; 786 PUTBACK;
714 PL_op = (OP *)&myop; 787 PL_op = (OP *)&myop;
715 PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); 788 PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
716 SPAGAIN; 789 SPAGAIN;
717
718 /*
719 * now its very tricky. the "tail" of the next transfer might end up
720 * either in a new cctx, or an existing one.
721 * in case of an existing one we have to take care of whatever
722 * entersub and transfer do to the perl stack.
723 */
724 ENTER;
725 EXTEND (SP, 4);
726 PUSHs ((SV *)0); /* items */
727 PUSHs ((SV *)0); /* ix, set_stacklevel */
728 PUSHs ((SV *)(sp - PL_stack_base + 1)); /* ax */
729 PUSHs ((SV *)0); /* again */
730 PUTBACK;
731 } 790 }
732 791
733 /* this newly created coroutine might be run on an existing cctx which most 792 /* this newly created coroutine might be run on an existing cctx which most
734 * likely was suspended in set_stacklevel, called from entersub. 793 * likely was suspended in set_stacklevel, called from entersub.
735 * set_stacklevl doesn't do anything on return, but entersub does LEAVE, 794 * set_stacklevl doesn't do anything on return, but entersub does LEAVE,
827 PUSHMARK (SP); 886 PUSHMARK (SP);
828 PUSHs (&PL_sv_no); 887 PUSHs (&PL_sv_no);
829 PUSHs (fullname); 888 PUSHs (fullname);
830 PUSHs (sv_2mortal (newRV_noinc ((SV *)av))); 889 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
831 PUTBACK; 890 PUTBACK;
832 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);
833 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);
834 SPAGAIN; 893 SPAGAIN;
835 FREETMPS; 894 FREETMPS;
836 LEAVE; 895 LEAVE;
837 PL_runops = runops_trace; 896 PL_runops = runops_trace;
864 SAVETMPS; 923 SAVETMPS;
865 EXTEND (SP, 3); 924 EXTEND (SP, 3);
866 PUSHMARK (SP); 925 PUSHMARK (SP);
867 PUSHs (&PL_sv_yes); 926 PUSHs (&PL_sv_yes);
868 PUSHs (fullname); 927 PUSHs (fullname);
869 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);
870 PUTBACK; 929 PUTBACK;
871 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);
872 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);
873 SPAGAIN; 932 SPAGAIN;
874 FREETMPS; 933 FREETMPS;
875 LEAVE; 934 LEAVE;
876 PL_runops = runops_trace; 935 PL_runops = runops_trace;
890 PL_runops = RUNOPS_DEFAULT; 949 PL_runops = RUNOPS_DEFAULT;
891 PUSHMARK (SP); 950 PUSHMARK (SP);
892 PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0))); 951 PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));
893 PUSHs (sv_2mortal (newSViv (CopLINE (oldcop)))); 952 PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));
894 PUTBACK; 953 PUTBACK;
895 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);
896 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);
897 SPAGAIN; 956 SPAGAIN;
898 FREETMPS; 957 FREETMPS;
899 LEAVE; 958 LEAVE;
900 PL_runops = runops_trace; 959 PL_runops = runops_trace;
1039 1098
1040/* wether this cctx should be destructed */ 1099/* wether this cctx should be destructed */
1041#define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize || ((cctx)->flags & CC_NOREUSE)) 1100#define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize || ((cctx)->flags & CC_NOREUSE))
1042 1101
1043static coro_cctx * 1102static coro_cctx *
1044cctx_get (pTHX_ int gimme) 1103cctx_get (pTHX)
1045{ 1104{
1046 while (expect_true (cctx_first[gimme])) 1105 while (expect_true (cctx_first))
1047 { 1106 {
1048 coro_cctx *cctx = cctx_first[gimme]; 1107 coro_cctx *cctx = cctx_first;
1049 cctx_first[gimme] = cctx->next; 1108 cctx_first = cctx->next;
1050 --cctx_idle[gimme]; 1109 --cctx_idle;
1051 1110
1052 if (expect_true (!CCTX_EXPIRED (cctx))) 1111 if (expect_true (!CCTX_EXPIRED (cctx)))
1053 return cctx; 1112 return cctx;
1054 1113
1055 cctx_destroy (cctx); 1114 cctx_destroy (cctx);
1056 } 1115 }
1057 1116
1058 assert (!gimme);
1059 return cctx_new (); 1117 return cctx_new ();
1060} 1118}
1061 1119
1062static void 1120static void
1063cctx_put (coro_cctx *cctx, int gimme) 1121cctx_put (coro_cctx *cctx)
1064{ 1122{
1065 /* free another cctx if overlimit */ 1123 /* free another cctx if overlimit */
1066 if (expect_false (cctx_idle[gimme] >= MAX_IDLE_CCTX)) 1124 if (expect_false (cctx_idle >= MAX_IDLE_CCTX))
1067 { 1125 {
1068 coro_cctx *first = cctx_first[gimme]; 1126 coro_cctx *first = cctx_first;
1069 cctx_first[gimme] = first->next; 1127 cctx_first = first->next;
1070 --cctx_idle[gimme]; 1128 --cctx_idle;
1071 1129
1072 cctx_destroy (first); 1130 cctx_destroy (first);
1073 } 1131 }
1074 1132
1075 ++cctx_idle[gimme]; 1133 ++cctx_idle;
1076 cctx->next = cctx_first[gimme]; 1134 cctx->next = cctx_first;
1077 cctx_first[gimme] = cctx; 1135 cctx_first = cctx;
1078} 1136}
1079 1137
1080/** coroutine switching *****************************************************/ 1138/** coroutine switching *****************************************************/
1081 1139
1082static void 1140static void
1091 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");
1092 1150
1093 if (expect_false (next->flags & CF_DESTROYED)) 1151 if (expect_false (next->flags & CF_DESTROYED))
1094 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");
1095 1153
1096 if (
1097#if PERL_VERSION_ATLEAST (5,9,0) 1154#if !PERL_VERSION_ATLEAST (5,10,0)
1098 expect_false (PL_parser)
1099#else
1100 expect_false (PL_lex_state != LEX_NOTPARSING) 1155 if (expect_false (PL_lex_state != LEX_NOTPARSING))
1101#endif
1102 )
1103 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
1104 } 1158 }
1105} 1159}
1106 1160
1107/* always use the TRANSFER macro */ 1161/* always use the TRANSFER macro */
1108static void NOINLINE 1162static void NOINLINE
1109transfer (pTHX_ struct coro *prev, struct coro *next) 1163transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx)
1110{ 1164{
1111 dSTACKLEVEL; 1165 dSTACKLEVEL;
1166 static volatile int has_throw;
1112 1167
1113 /* sometimes transfer is only called to set idle_sp */ 1168 /* sometimes transfer is only called to set idle_sp */
1114 if (expect_false (!next)) 1169 if (expect_false (!next))
1115 { 1170 {
1116 ((coro_cctx *)prev)->idle_sp = STACKLEVEL; 1171 ((coro_cctx *)prev)->idle_sp = STACKLEVEL;
1131 prev->flags &= ~CF_RUNNING; 1186 prev->flags &= ~CF_RUNNING;
1132 next->flags |= CF_RUNNING; 1187 next->flags |= CF_RUNNING;
1133 1188
1134 LOCK; 1189 LOCK;
1135 1190
1191 /* first get rid of the old state */
1192 save_perl (aTHX_ prev);
1193
1136 if (expect_false (next->flags & CF_NEW)) 1194 if (expect_false (next->flags & CF_NEW))
1137 { 1195 {
1138 /* need to start coroutine */ 1196 /* need to start coroutine */
1139 next->flags &= ~CF_NEW; 1197 next->flags &= ~CF_NEW;
1140 /* first get rid of the old state */
1141 save_perl (aTHX_ prev);
1142 /* setup coroutine call */ 1198 /* setup coroutine call */
1143 coro_setup (aTHX_ next); 1199 coro_setup (aTHX_ next);
1144 } 1200 }
1145 else 1201 else
1146 {
1147 /* coroutine already started */
1148 save_perl (aTHX_ prev);
1149 load_perl (aTHX_ next); 1202 load_perl (aTHX_ next);
1150 }
1151 1203
1152 prev__cctx = prev->cctx; 1204 prev__cctx = prev->cctx;
1153 1205
1154 /* possibly "free" the cctx */ 1206 /* possibly "free" the cctx */
1155 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 ))
1156 { 1212 {
1157 /* 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 */
1158 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));
1159 1215
1160 prev->cctx = 0; 1216 prev->cctx = 0;
1161 1217
1162 /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */ 1218 /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */
1163 /* without this the next cctx_get might destroy the prev__cctx while still in use */ 1219 /* without this the next cctx_get might destroy the prev__cctx while still in use */
1164 if (expect_false (CCTX_EXPIRED (prev__cctx))) 1220 if (expect_false (CCTX_EXPIRED (prev__cctx)))
1165 if (!next->cctx) 1221 if (!next->cctx)
1166 next->cctx = cctx_get (aTHX_ next->gimme); 1222 next->cctx = cctx_get (aTHX);
1167 1223
1168 cctx_put (prev__cctx, prev->gimme); 1224 cctx_put (prev__cctx);
1169 } 1225 }
1170 1226
1171 ++next->usecount; 1227 ++next->usecount;
1172 1228
1173 if (expect_true (!next->cctx)) 1229 if (expect_true (!next->cctx))
1174 next->cctx = cctx_get (aTHX_ next->gimme); 1230 next->cctx = cctx_get (aTHX);
1231
1232 has_throw = !!next->throw;
1175 1233
1176 if (expect_false (prev__cctx != next->cctx)) 1234 if (expect_false (prev__cctx != next->cctx))
1177 { 1235 {
1178 prev__cctx->top_env = PL_top_env; 1236 prev__cctx->top_env = PL_top_env;
1179 PL_top_env = next->cctx->top_env; 1237 PL_top_env = next->cctx->top_env;
1181 } 1239 }
1182 1240
1183 free_coro_mortal (aTHX); 1241 free_coro_mortal (aTHX);
1184 UNLOCK; 1242 UNLOCK;
1185 1243
1186 if (expect_false (prev->throw || next->throw)) 1244 if (expect_false (has_throw))
1187 { 1245 {
1188 struct coro *coro = SvSTATE (coro_current); 1246 struct coro *coro = SvSTATE (coro_current);
1189 1247
1190 if (coro->throw) 1248 if (coro->throw)
1191 { 1249 {
1201struct transfer_args 1259struct transfer_args
1202{ 1260{
1203 struct coro *prev, *next; 1261 struct coro *prev, *next;
1204}; 1262};
1205 1263
1206#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next) 1264#define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx))
1207#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) 1265#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
1208 1266
1209/** high level stuff ********************************************************/ 1267/** high level stuff ********************************************************/
1210 1268
1211static int 1269static int
1305{ 1363{
1306 dTHX; 1364 dTHX;
1307 struct transfer_args ta; 1365 struct transfer_args ta;
1308 1366
1309 prepare_transfer (aTHX_ &ta, prev_sv, next_sv); 1367 prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1310 TRANSFER (ta); 1368 TRANSFER (ta, 1);
1311} 1369}
1312 1370
1313/** Coro ********************************************************************/ 1371/** Coro ********************************************************************/
1314 1372
1315static void 1373static void
1317{ 1375{
1318 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);
1319} 1377}
1320 1378
1321static SV * 1379static SV *
1322coro_deq (pTHX_ int min_prio) 1380coro_deq (pTHX)
1323{ 1381{
1324 int prio = PRIO_MAX - PRIO_MIN; 1382 int prio;
1325 1383
1326 min_prio -= PRIO_MIN;
1327 if (min_prio < 0)
1328 min_prio = 0;
1329
1330 for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= min_prio; ) 1384 for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; )
1331 if (AvFILLp (coro_ready [prio]) >= 0) 1385 if (AvFILLp (coro_ready [prio]) >= 0)
1332 return av_shift (coro_ready [prio]); 1386 return av_shift (coro_ready [prio]);
1333 1387
1334 return 0; 1388 return 0;
1335} 1389}
1337static int 1391static int
1338api_ready (SV *coro_sv) 1392api_ready (SV *coro_sv)
1339{ 1393{
1340 dTHX; 1394 dTHX;
1341 struct coro *coro; 1395 struct coro *coro;
1396 SV *sv_hook;
1397 void (*xs_hook)(void);
1342 1398
1343 if (SvROK (coro_sv)) 1399 if (SvROK (coro_sv))
1344 coro_sv = SvRV (coro_sv); 1400 coro_sv = SvRV (coro_sv);
1345 1401
1346 coro = SvSTATE (coro_sv); 1402 coro = SvSTATE (coro_sv);
1349 return 0; 1405 return 0;
1350 1406
1351 coro->flags |= CF_READY; 1407 coro->flags |= CF_READY;
1352 1408
1353 LOCK; 1409 LOCK;
1410
1411 sv_hook = coro_nready ? 0 : coro_readyhook;
1412 xs_hook = coro_nready ? 0 : coroapi.readyhook;
1413
1354 coro_enq (aTHX_ SvREFCNT_inc (coro_sv)); 1414 coro_enq (aTHX_ SvREFCNT_inc (coro_sv));
1355 ++coro_nready; 1415 ++coro_nready;
1416
1356 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 ();
1357 1437
1358 return 1; 1438 return 1;
1359} 1439}
1360 1440
1361static int 1441static int
1371 SV *prev_sv, *next_sv; 1451 SV *prev_sv, *next_sv;
1372 1452
1373 for (;;) 1453 for (;;)
1374 { 1454 {
1375 LOCK; 1455 LOCK;
1376 next_sv = coro_deq (aTHX_ PRIO_MIN); 1456 next_sv = coro_deq (aTHX);
1377 1457
1378 /* nothing to schedule: call the idle handler */ 1458 /* nothing to schedule: call the idle handler */
1379 if (expect_false (!next_sv)) 1459 if (expect_false (!next_sv))
1380 { 1460 {
1381 dSP; 1461 dSP;
1385 SAVETMPS; 1465 SAVETMPS;
1386 1466
1387 PUSHMARK (SP); 1467 PUSHMARK (SP);
1388 PUTBACK; 1468 PUTBACK;
1389 call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD); 1469 call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD);
1470 SPAGAIN;
1390 1471
1391 FREETMPS; 1472 FREETMPS;
1392 LEAVE; 1473 LEAVE;
1393 continue; 1474 continue;
1394 } 1475 }
1449{ 1530{
1450 dTHX; 1531 dTHX;
1451 struct transfer_args ta; 1532 struct transfer_args ta;
1452 1533
1453 prepare_schedule (aTHX_ &ta); 1534 prepare_schedule (aTHX_ &ta);
1454 TRANSFER (ta); 1535 TRANSFER (ta, 1);
1455} 1536}
1456 1537
1457static int 1538static int
1458api_cede (void) 1539api_cede (void)
1459{ 1540{
1462 1543
1463 prepare_cede (aTHX_ &ta); 1544 prepare_cede (aTHX_ &ta);
1464 1545
1465 if (expect_true (ta.prev != ta.next)) 1546 if (expect_true (ta.prev != ta.next))
1466 { 1547 {
1467 TRANSFER (ta); 1548 TRANSFER (ta, 1);
1468 return 1; 1549 return 1;
1469 } 1550 }
1470 else 1551 else
1471 return 0; 1552 return 0;
1472} 1553}
1477 dTHX; 1558 dTHX;
1478 struct transfer_args ta; 1559 struct transfer_args ta;
1479 1560
1480 if (prepare_cede_notself (aTHX_ &ta)) 1561 if (prepare_cede_notself (aTHX_ &ta))
1481 { 1562 {
1482 TRANSFER (ta); 1563 TRANSFER (ta, 1);
1483 return 1; 1564 return 1;
1484 } 1565 }
1485 else 1566 else
1486 return 0; 1567 return 0;
1487} 1568}
1524 BOOT_PAGESIZE; 1605 BOOT_PAGESIZE;
1525 1606
1526 irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); 1607 irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV);
1527 stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); 1608 stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO);
1528 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
1529 hv_sig = coro_get_hv ("SIG", TRUE); 1615 hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);
1530 sv_diehook = coro_get_sv ("Coro::State::DIEHOOK" , TRUE); 1616 rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));
1531 sv_warnhook = coro_get_sv ("Coro::State::WARNHOOK", TRUE); 1617 rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));
1532
1533 if (!PL_diehook ) hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0);
1534 if (!PL_warnhook) hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0);
1535 1618
1536 coro_state_stash = gv_stashpv ("Coro::State", TRUE); 1619 coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1537 1620
1538 newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE)); 1621 newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1539 newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB)); 1622 newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
1544 main_top_env = PL_top_env; 1627 main_top_env = PL_top_env;
1545 1628
1546 while (main_top_env->je_prev) 1629 while (main_top_env->je_prev)
1547 main_top_env = main_top_env->je_prev; 1630 main_top_env = main_top_env->je_prev;
1548 1631
1549 coroapi.ver = CORO_API_VERSION; 1632 coroapi.ver = CORO_API_VERSION;
1550 coroapi.rev = CORO_API_REVISION; 1633 coroapi.rev = CORO_API_REVISION;
1551 coroapi.transfer = api_transfer; 1634 coroapi.transfer = api_transfer;
1552 1635
1553 assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); 1636 assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
1554} 1637}
1555 1638
1556SV * 1639SV *
1557new (char *klass, ...) 1640new (char *klass, ...)
1558 CODE: 1641 CODE:
1559{ 1642{
1560 struct coro *coro; 1643 struct coro *coro;
1644 MAGIC *mg;
1561 HV *hv; 1645 HV *hv;
1562 int i; 1646 int i;
1563 1647
1564 Newz (0, coro, 1, struct coro); 1648 Newz (0, coro, 1, struct coro);
1565 coro->args = newAV (); 1649 coro->args = newAV ();
1568 if (coro_first) coro_first->prev = coro; 1652 if (coro_first) coro_first->prev = coro;
1569 coro->next = coro_first; 1653 coro->next = coro_first;
1570 coro_first = coro; 1654 coro_first = coro;
1571 1655
1572 coro->hv = hv = newHV (); 1656 coro->hv = hv = newHV ();
1573 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;
1574 RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); 1659 RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1575 1660
1576 av_extend (coro->args, items - 1); 1661 av_extend (coro->args, items - 1);
1577 for (i = 1; i < items; i++) 1662 for (i = 1; i < items; i++)
1578 av_push (coro->args, newSVsv (ST (i))); 1663 av_push (coro->args, newSVsv (ST (i)));
1592 Coro::cede_notself = 4 1677 Coro::cede_notself = 4
1593 CODE: 1678 CODE:
1594{ 1679{
1595 struct transfer_args ta; 1680 struct transfer_args ta;
1596 1681
1682 PUTBACK;
1597 switch (ix) 1683 switch (ix)
1598 { 1684 {
1599 case 0: 1685 case 0:
1600 ta.prev = (struct coro *)INT2PTR (coro_cctx *, SvIV (ST (0))); 1686 ta.prev = (struct coro *)INT2PTR (coro_cctx *, SvIV (ST (0)));
1601 ta.next = 0; 1687 ta.next = 0;
1620 if (!prepare_cede_notself (aTHX_ &ta)) 1706 if (!prepare_cede_notself (aTHX_ &ta))
1621 XSRETURN_EMPTY; 1707 XSRETURN_EMPTY;
1622 1708
1623 break; 1709 break;
1624 } 1710 }
1711 SPAGAIN;
1625 1712
1626 BARRIER; 1713 BARRIER;
1627 PUTBACK; 1714 PUTBACK;
1628 TRANSFER (ta); 1715 TRANSFER (ta, 0);
1629 SPAGAIN; /* might be the sp of a different coroutine now */ 1716 SPAGAIN; /* might be the sp of a different coroutine now */
1630 /* be extra careful not to ever do anything after TRANSFER */ 1717 /* be extra careful not to ever do anything after TRANSFER */
1631} 1718}
1632 1719
1633bool 1720bool
1636 RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); 1723 RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));
1637 OUTPUT: 1724 OUTPUT:
1638 RETVAL 1725 RETVAL
1639 1726
1640void 1727void
1641_exit (code) 1728_exit (int code)
1642 int code
1643 PROTOTYPE: $ 1729 PROTOTYPE: $
1644 CODE: 1730 CODE:
1645 _exit (code); 1731 _exit (code);
1646 1732
1647int 1733int
1661 RETVAL 1747 RETVAL
1662 1748
1663int 1749int
1664cctx_idle () 1750cctx_idle ()
1665 CODE: 1751 CODE:
1666 RETVAL = cctx_idle[0] + cctx_idle[1] + cctx_idle[2]; 1752 RETVAL = cctx_idle;
1667 OUTPUT: 1753 OUTPUT:
1668 RETVAL 1754 RETVAL
1669 1755
1670void 1756void
1671list () 1757list ()
1687 { 1773 {
1688 struct coro temp; 1774 struct coro temp;
1689 1775
1690 if (!(coro->flags & CF_RUNNING)) 1776 if (!(coro->flags & CF_RUNNING))
1691 { 1777 {
1778 PUTBACK;
1692 save_perl (aTHX_ &temp); 1779 save_perl (aTHX_ &temp);
1693 load_perl (aTHX_ coro); 1780 load_perl (aTHX_ coro);
1694 } 1781 }
1695 1782
1696 { 1783 {
1705 eval_sv (coderef, 0); 1792 eval_sv (coderef, 0);
1706 else 1793 else
1707 call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); 1794 call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
1708 1795
1709 POPSTACK; 1796 POPSTACK;
1797 SPAGAIN;
1710 FREETMPS; 1798 FREETMPS;
1711 LEAVE; 1799 LEAVE;
1712 PUTBACK; 1800 PUTBACK;
1713 } 1801 }
1714 1802
1715 if (!(coro->flags & CF_RUNNING)) 1803 if (!(coro->flags & CF_RUNNING))
1716 { 1804 {
1717 save_perl (aTHX_ coro); 1805 save_perl (aTHX_ coro);
1718 load_perl (aTHX_ &temp); 1806 load_perl (aTHX_ &temp);
1807 SPAGAIN;
1719 } 1808 }
1720 } 1809 }
1721} 1810}
1722 1811
1723SV * 1812SV *
1735 1824
1736void 1825void
1737api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) 1826api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB)
1738 1827
1739SV * 1828SV *
1740has_stack (Coro::State coro) 1829has_cctx (Coro::State coro)
1741 PROTOTYPE: $ 1830 PROTOTYPE: $
1742 CODE: 1831 CODE:
1743 RETVAL = boolSV (!!coro->cctx); 1832 RETVAL = boolSV (!!coro->cctx);
1744 OUTPUT: 1833 OUTPUT:
1745 RETVAL 1834 RETVAL
1764 case 1: RETVAL = coro->usecount; break; 1853 case 1: RETVAL = coro->usecount; break;
1765 } 1854 }
1766 OUTPUT: 1855 OUTPUT:
1767 RETVAL 1856 RETVAL
1768 1857
1858void
1859force_cctx ()
1860 CODE:
1861 struct coro *coro = SvSTATE (coro_current);
1862 coro->cctx->idle_sp = 0;
1769 1863
1770MODULE = Coro::State PACKAGE = Coro 1864MODULE = Coro::State PACKAGE = Coro
1771 1865
1772BOOT: 1866BOOT:
1773{ 1867{
1774 int i; 1868 int i;
1775 1869
1776 sv_pool_rss = coro_get_sv ("Coro::POOL_RSS" , TRUE);
1777 sv_pool_size = coro_get_sv ("Coro::POOL_SIZE" , TRUE);
1778 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);
1779 1873
1780 coro_current = coro_get_sv ("Coro::current", FALSE); 1874 coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);
1781 SvREADONLY_on (coro_current); 1875 SvREADONLY_on (coro_current);
1782 1876
1783 coro_stash = gv_stashpv ("Coro", TRUE); 1877 coro_stash = gv_stashpv ("Coro", TRUE);
1784 1878
1785 newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); 1879 newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
1815 PROTOTYPE: $ 1909 PROTOTYPE: $
1816 CODE: 1910 CODE:
1817 SvREFCNT_dec (SvRV (coro_current)); 1911 SvREFCNT_dec (SvRV (coro_current));
1818 SvRV_set (coro_current, SvREFCNT_inc (SvRV (current))); 1912 SvRV_set (coro_current, SvREFCNT_inc (SvRV (current)));
1819 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
1820int 1923int
1821prio (Coro::State coro, int newprio = 0) 1924prio (Coro::State coro, int newprio = 0)
1822 ALIAS: 1925 ALIAS:
1823 nice = 1 1926 nice = 1
1824 CODE: 1927 CODE:
1860 PROTOTYPE: $;$ 1963 PROTOTYPE: $;$
1861 CODE: 1964 CODE:
1862 SvREFCNT_dec (self->throw); 1965 SvREFCNT_dec (self->throw);
1863 self->throw = SvOK (throw) ? newSVsv (throw) : 0; 1966 self->throw = SvOK (throw) ? newSVsv (throw) : 0;
1864 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
1865# for async_pool speedup 1984# for async_pool speedup
1866void 1985void
1867_pool_1 (SV *cb) 1986_pool_1 (SV *cb)
1868 CODE: 1987 CODE:
1869{ 1988{
1870 struct coro *coro = SvSTATE (coro_current); 1989 struct coro *coro = SvSTATE (coro_current);
1871 HV *hv = (HV *)SvRV (coro_current); 1990 HV *hv = (HV *)SvRV (coro_current);
1872 AV *defav = GvAV (PL_defgv); 1991 AV *defav = GvAV (PL_defgv);
1873 SV *invoke = hv_delete (hv, strpair ("_invoke"), 0); 1992 SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
1874 AV *invoke_av; 1993 AV *invoke_av;
1875 int i, len; 1994 int i, len;
1876 1995
1877 if (!invoke) 1996 if (!invoke)
1997 {
1998 SvREFCNT_dec (PL_diehook); PL_diehook = 0;
1878 croak ("\3async_pool terminate\2\n"); 1999 croak ("\3async_pool terminate\2\n");
2000 }
1879 2001
1880 SvREFCNT_dec (coro->saved_deffh); 2002 SvREFCNT_dec (coro->saved_deffh);
1881 coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv); 2003 coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);
1882 2004
1883 hv_store (hv, "desc", sizeof ("desc") - 1, 2005 hv_store (hv, "desc", sizeof ("desc") - 1,
1884 newSVpvn (strpair ("[async_pool]")), 0); 2006 newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
1885 2007
1886 invoke_av = (AV *)SvRV (invoke); 2008 invoke_av = (AV *)SvRV (invoke);
1887 len = av_len (invoke_av); 2009 len = av_len (invoke_av);
1888 2010
1889 sv_setsv (cb, AvARRAY (invoke_av)[0]); 2011 sv_setsv (cb, AvARRAY (invoke_av)[0]);
1909 SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; 2031 SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh;
1910 coro->saved_deffh = 0; 2032 coro->saved_deffh = 0;
1911 2033
1912 if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss) 2034 if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1913 || 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;
1914 croak ("\3async_pool terminate\2\n"); 2038 croak ("\3async_pool terminate\2\n");
2039 }
1915 2040
1916 av_clear (GvAV (PL_defgv)); 2041 av_clear (GvAV (PL_defgv));
1917 hv_store ((HV *)SvRV (coro_current), strpair ("desc"), 2042 hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
1918 newSVpvn (strpair ("[async_pool idle]")), 0); 2043 newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
1919 2044
1920 coro->prio = 0; 2045 coro->prio = 0;
1921 2046
1922 if (coro->cctx && (coro->cctx->flags & CC_TRACE)) 2047 if (coro->cctx && (coro->cctx->flags & CC_TRACE))
1923 api_trace (coro_current, 0); 2048 api_trace (coro_current, 0);
1958 PL_laststype = data->laststype; 2083 PL_laststype = data->laststype;
1959 PL_laststatval = data->laststatval; 2084 PL_laststatval = data->laststatval;
1960 PL_statcache = data->statcache; 2085 PL_statcache = data->statcache;
1961} 2086}
1962 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

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