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Comparing Coro/Coro/State.xs (file contents):
Revision 1.213 by root, Thu Oct 11 00:40:48 2007 UTC vs.
Revision 1.244 by root, Sun Sep 21 18:29:39 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
145static size_t coro_stacksize = CORO_STACKSIZE; 158static size_t coro_stacksize = CORO_STACKSIZE;
146static struct CoroAPI coroapi; 159static struct CoroAPI coroapi;
147static AV *main_mainstack; /* used to differentiate between $main and others */ 160static AV *main_mainstack; /* used to differentiate between $main and others */
148static JMPENV *main_top_env; 161static JMPENV *main_top_env;
149static HV *coro_state_stash, *coro_stash; 162static HV *coro_state_stash, *coro_stash;
150static SV *coro_mortal; /* will be freed after next transfer */ 163static volatile SV *coro_mortal; /* will be freed after next transfer */
151 164
152static GV *irsgv; /* $/ */ 165static GV *irsgv; /* $/ */
153static GV *stdoutgv; /* *STDOUT */ 166static GV *stdoutgv; /* *STDOUT */
154 167static SV *rv_diehook;
168static SV *rv_warnhook;
155static HV *hv_sig; /* %SIG */ 169static HV *hv_sig; /* %SIG */
156static SV *sv_diehook;
157static SV *sv_warnhook;
158 170
159/* async_pool helper stuff */ 171/* async_pool helper stuff */
160static SV *sv_pool_rss; 172static SV *sv_pool_rss;
161static SV *sv_pool_size; 173static SV *sv_pool_size;
162static AV *av_async_pool; 174static AV *av_async_pool;
175
176/* Coro::AnyEvent */
177static SV *sv_activity;
163 178
164static struct coro_cctx *cctx_first; 179static struct coro_cctx *cctx_first;
165static int cctx_count, cctx_idle; 180static int cctx_count, cctx_idle;
166 181
167enum { 182enum {
253#define PRIO_IDLE -3 268#define PRIO_IDLE -3
254#define PRIO_MIN -4 269#define PRIO_MIN -4
255 270
256/* for Coro.pm */ 271/* for Coro.pm */
257static SV *coro_current; 272static SV *coro_current;
273static SV *coro_readyhook;
258static AV *coro_ready [PRIO_MAX-PRIO_MIN+1]; 274static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
259static int coro_nready; 275static int coro_nready;
260static struct coro *coro_first; 276static struct coro *coro_first;
261 277
262/** lowlevel stuff **********************************************************/ 278/** lowlevel stuff **********************************************************/
263 279
264static SV * 280static SV *
265coro_get_sv (pTHX_ const char *name, int create) 281coro_get_sv (pTHX_ const char *name, int create)
266{ 282{
267#if PERL_VERSION_ATLEAST (5,9,0) 283#if PERL_VERSION_ATLEAST (5,10,0)
268 /* 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 */
269 get_sv (name, create); 285 get_sv (name, create);
270#endif 286#endif
271 return get_sv (name, create); 287 return get_sv (name, create);
272} 288}
273 289
274static AV * 290static AV *
275coro_get_av (pTHX_ const char *name, int create) 291coro_get_av (pTHX_ const char *name, int create)
276{ 292{
277#if PERL_VERSION_ATLEAST (5,9,0) 293#if PERL_VERSION_ATLEAST (5,10,0)
278 /* 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 */
279 get_av (name, create); 295 get_av (name, create);
280#endif 296#endif
281 return get_av (name, create); 297 return get_av (name, create);
282} 298}
283 299
284static HV * 300static HV *
285coro_get_hv (pTHX_ const char *name, int create) 301coro_get_hv (pTHX_ const char *name, int create)
286{ 302{
287#if PERL_VERSION_ATLEAST (5,9,0) 303#if PERL_VERSION_ATLEAST (5,10,0)
288 /* 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 */
289 get_hv (name, create); 305 get_hv (name, create);
290#endif 306#endif
291 return get_hv (name, create); 307 return get_hv (name, create);
292} 308}
297 AV *padlist = CvPADLIST (cv); 313 AV *padlist = CvPADLIST (cv);
298 AV *newpadlist, *newpad; 314 AV *newpadlist, *newpad;
299 315
300 newpadlist = newAV (); 316 newpadlist = newAV ();
301 AvREAL_off (newpadlist); 317 AvREAL_off (newpadlist);
302#if PERL_VERSION_ATLEAST (5,9,0) 318#if PERL_VERSION_ATLEAST (5,10,0)
303 Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1); 319 Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);
304#else 320#else
305 Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); 321 Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
306#endif 322#endif
307 newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; 323 newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
350 SvREFCNT_dec (av); 366 SvREFCNT_dec (av);
351 367
352 return 0; 368 return 0;
353} 369}
354 370
355#define PERL_MAGIC_coro PERL_MAGIC_ext 371#define CORO_MAGIC_type_cv PERL_MAGIC_ext
372#define CORO_MAGIC_type_state PERL_MAGIC_ext
356 373
357static MGVTBL vtbl_coro = {0, 0, 0, 0, coro_cv_free}; 374static MGVTBL coro_cv_vtbl = {
375 0, 0, 0, 0,
376 coro_cv_free
377};
358 378
359#define CORO_MAGIC(cv) \ 379#define CORO_MAGIC(sv,type) \
360 SvMAGIC (cv) \ 380 SvMAGIC (sv) \
361 ? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \ 381 ? SvMAGIC (sv)->mg_type == type \
362 ? SvMAGIC (cv) \ 382 ? SvMAGIC (sv) \
363 : mg_find ((SV *)cv, PERL_MAGIC_coro) \ 383 : mg_find (sv, type) \
364 : 0 384 : 0
385
386#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
387#define CORO_MAGIC_state(sv) CORO_MAGIC (((SV *)(sv)), CORO_MAGIC_type_state)
365 388
366static struct coro * 389static struct coro *
367SvSTATE_ (pTHX_ SV *coro) 390SvSTATE_ (pTHX_ SV *coro)
368{ 391{
369 HV *stash; 392 HV *stash;
381 /* very slow, but rare, check */ 404 /* very slow, but rare, check */
382 if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) 405 if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
383 croak ("Coro::State object required"); 406 croak ("Coro::State object required");
384 } 407 }
385 408
386 mg = CORO_MAGIC (coro); 409 mg = CORO_MAGIC_state (coro);
387 return (struct coro *)mg->mg_ptr; 410 return (struct coro *)mg->mg_ptr;
388} 411}
389 412
390#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) 413#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
391 414
392/* the next two functions merely cache the padlists */ 415/* the next two functions merely cache the padlists */
393static void 416static void
394get_padlist (pTHX_ CV *cv) 417get_padlist (pTHX_ CV *cv)
395{ 418{
396 MAGIC *mg = CORO_MAGIC (cv); 419 MAGIC *mg = CORO_MAGIC_cv (cv);
397 AV *av; 420 AV *av;
398 421
399 if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) 422 if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))
400 CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; 423 CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
401 else 424 else
402 { 425 {
403#if CORO_PREFER_PERL_FUNCTIONS 426#if CORO_PREFER_PERL_FUNCTIONS
404 /* this is probably cleaner, but also slower? */ 427 /* this is probably cleaner? but also slower! */
428 /* in practise, it seems to be less stable */
405 CV *cp = Perl_cv_clone (cv); 429 CV *cp = Perl_cv_clone (cv);
406 CvPADLIST (cv) = CvPADLIST (cp); 430 CvPADLIST (cv) = CvPADLIST (cp);
407 CvPADLIST (cp) = 0; 431 CvPADLIST (cp) = 0;
408 SvREFCNT_dec (cp); 432 SvREFCNT_dec (cp);
409#else 433#else
413} 437}
414 438
415static void 439static void
416put_padlist (pTHX_ CV *cv) 440put_padlist (pTHX_ CV *cv)
417{ 441{
418 MAGIC *mg = CORO_MAGIC (cv); 442 MAGIC *mg = CORO_MAGIC_cv (cv);
419 AV *av; 443 AV *av;
420 444
421 if (expect_false (!mg)) 445 if (expect_false (!mg))
422 { 446 mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);
423 sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0);
424 mg = mg_find ((SV *)cv, PERL_MAGIC_coro);
425 mg->mg_virtual = &vtbl_coro;
426 mg->mg_obj = (SV *)newAV ();
427 }
428 447
429 av = (AV *)mg->mg_obj; 448 av = (AV *)mg->mg_obj;
430 449
431 if (expect_false (AvFILLp (av) >= AvMAX (av))) 450 if (expect_false (AvFILLp (av) >= AvMAX (av)))
432 av_extend (av, AvMAX (av) + 1); 451 av_extend (av, AvMAX (av) + 1);
450 GvSV (irsgv) = slot->irsgv; 469 GvSV (irsgv) = slot->irsgv;
451 470
452 #define VAR(name,type) PL_ ## name = slot->name; 471 #define VAR(name,type) PL_ ## name = slot->name;
453 # include "state.h" 472 # include "state.h"
454 #undef VAR 473 #undef VAR
455
456 /*hv_store (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, SvREFCNT_inc (sv_diehook ), 0);*/
457 /*hv_store (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, SvREFCNT_inc (sv_warnhook), 0);*/
458 474
459 { 475 {
460 dSP; 476 dSP;
461 477
462 CV *cv; 478 CV *cv;
501 517
502 if (expect_true (CvDEPTH (cv))) 518 if (expect_true (CvDEPTH (cv)))
503 { 519 {
504 EXTEND (SP, 3); 520 EXTEND (SP, 3);
505 PUSHs ((SV *)CvPADLIST (cv)); 521 PUSHs ((SV *)CvPADLIST (cv));
506 PUSHs (INT2PTR (SV *, CvDEPTH (cv))); 522 PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv)));
507 PUSHs ((SV *)cv); 523 PUSHs ((SV *)cv);
508 524
509 CvDEPTH (cv) = 0; 525 CvDEPTH (cv) = 0;
510 get_padlist (aTHX_ cv); 526 get_padlist (aTHX_ cv);
511 } 527 }
591 607
592 New(54,PL_savestack,24,ANY); 608 New(54,PL_savestack,24,ANY);
593 PL_savestack_ix = 0; 609 PL_savestack_ix = 0;
594 PL_savestack_max = 24; 610 PL_savestack_max = 24;
595 611
596#if !PERL_VERSION_ATLEAST (5,9,0) 612#if !PERL_VERSION_ATLEAST (5,10,0)
597 New(54,PL_retstack,4,OP*); 613 New(54,PL_retstack,4,OP*);
598 PL_retstack_ix = 0; 614 PL_retstack_ix = 0;
599 PL_retstack_max = 4; 615 PL_retstack_max = 4;
600#endif 616#endif
601} 617}
624 640
625 Safefree (PL_tmps_stack); 641 Safefree (PL_tmps_stack);
626 Safefree (PL_markstack); 642 Safefree (PL_markstack);
627 Safefree (PL_scopestack); 643 Safefree (PL_scopestack);
628 Safefree (PL_savestack); 644 Safefree (PL_savestack);
629#if !PERL_VERSION_ATLEAST (5,9,0) 645#if !PERL_VERSION_ATLEAST (5,10,0)
630 Safefree (PL_retstack); 646 Safefree (PL_retstack);
631#endif 647#endif
632} 648}
633 649
634static size_t 650static size_t
658 rss += slot->tmps_max * sizeof (SV *); 674 rss += slot->tmps_max * sizeof (SV *);
659 rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32); 675 rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
660 rss += slot->scopestack_max * sizeof (I32); 676 rss += slot->scopestack_max * sizeof (I32);
661 rss += slot->savestack_max * sizeof (ANY); 677 rss += slot->savestack_max * sizeof (ANY);
662 678
663#if !PERL_VERSION_ATLEAST (5,9,0) 679#if !PERL_VERSION_ATLEAST (5,10,0)
664 rss += slot->retstack_max * sizeof (OP *); 680 rss += slot->retstack_max * sizeof (OP *);
665#endif 681#endif
666 } 682 }
667 683
668 return rss; 684 return rss;
669} 685}
670 686
671/** coroutine stack handling ************************************************/ 687/** coroutine stack handling ************************************************/
688
689static int (*orig_sigelem_get) (pTHX_ SV *sv, MAGIC *mg);
690static int (*orig_sigelem_set) (pTHX_ SV *sv, MAGIC *mg);
691static int (*orig_sigelem_clr) (pTHX_ SV *sv, MAGIC *mg);
692
693/* apparently < 5.8.8 */
694#ifndef MgPV_nolen_const
695#define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \
696 SvPV_nolen((SV*)((mg)->mg_ptr)) : \
697 (const char*)(mg)->mg_ptr)
698#endif
699
700/*
701 * This overrides the default magic get method of %SIG elements.
702 * The original one doesn't provide for reading back of PL_diehook/PL_warnhook
703 * and instead of tryign to save and restore the hash elements, we just provide
704 * readback here.
705 * We only do this when the hook is != 0, as they are often set to 0 temporarily,
706 * not expecting this to actually change the hook. This is a potential problem
707 * when a schedule happens then, but we ignore this.
708 */
709static int
710coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg)
711{
712 const char *s = MgPV_nolen_const (mg);
713
714 if (*s == '_')
715 {
716 SV **svp = 0;
717
718 if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
719 if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
720
721 if (svp)
722 {
723 sv_setsv (sv, *svp ? *svp : &PL_sv_undef);
724 return 0;
725 }
726 }
727
728 return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0;
729}
730
731static int
732coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg)
733{
734 const char *s = MgPV_nolen_const (mg);
735
736 if (*s == '_')
737 {
738 SV **svp = 0;
739
740 if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
741 if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
742
743 if (svp)
744 {
745 SV *old = *svp;
746 *svp = 0;
747 SvREFCNT_dec (old);
748 return 0;
749 }
750 }
751
752 return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0;
753}
754
755static int
756coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg)
757{
758 const char *s = MgPV_nolen_const (mg);
759
760 if (*s == '_')
761 {
762 SV **svp = 0;
763
764 if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
765 if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
766
767 if (svp)
768 {
769 SV *old = *svp;
770 *svp = newSVsv (sv);
771 SvREFCNT_dec (old);
772 return 0;
773 }
774 }
775
776 return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0;
777}
672 778
673static void 779static void
674coro_setup (pTHX_ struct coro *coro) 780coro_setup (pTHX_ struct coro *coro)
675{ 781{
676 /* 782 /*
685 PL_curpm = 0; 791 PL_curpm = 0;
686 PL_curpad = 0; 792 PL_curpad = 0;
687 PL_localizing = 0; 793 PL_localizing = 0;
688 PL_dirty = 0; 794 PL_dirty = 0;
689 PL_restartop = 0; 795 PL_restartop = 0;
796#if PERL_VERSION_ATLEAST (5,10,0)
797 PL_parser = 0;
798#endif
799
800 /* recreate the die/warn hooks */
690 PL_diehook = 0; hv_store (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, SvREFCNT_inc (sv_diehook ), 0); 801 PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook );
691 PL_warnhook = 0; hv_store (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, SvREFCNT_inc (sv_warnhook), 0); 802 PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook);
692 803
693 GvSV (PL_defgv) = newSV (0); 804 GvSV (PL_defgv) = newSV (0);
694 GvAV (PL_defgv) = coro->args; coro->args = 0; 805 GvAV (PL_defgv) = coro->args; coro->args = 0;
695 GvSV (PL_errgv) = newSV (0); 806 GvSV (PL_errgv) = newSV (0);
696 GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); 807 GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
847 SAVETMPS; 958 SAVETMPS;
848 EXTEND (SP, 3); 959 EXTEND (SP, 3);
849 PUSHMARK (SP); 960 PUSHMARK (SP);
850 PUSHs (&PL_sv_yes); 961 PUSHs (&PL_sv_yes);
851 PUSHs (fullname); 962 PUSHs (fullname);
852 PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef); 963 PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
853 PUTBACK; 964 PUTBACK;
854 cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); 965 cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
855 if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); 966 if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
856 SPAGAIN; 967 SPAGAIN;
857 FREETMPS; 968 FREETMPS;
1073 croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states"); 1184 croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
1074 1185
1075 if (expect_false (next->flags & CF_DESTROYED)) 1186 if (expect_false (next->flags & CF_DESTROYED))
1076 croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states"); 1187 croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
1077 1188
1078 if (
1079#if PERL_VERSION_ATLEAST (5,9,0) 1189#if !PERL_VERSION_ATLEAST (5,10,0)
1080 expect_false (PL_parser)
1081#else
1082 expect_false (PL_lex_state != LEX_NOTPARSING) 1190 if (expect_false (PL_lex_state != LEX_NOTPARSING))
1083#endif
1084 )
1085 croak ("Coro::State::transfer called while parsing, but this is not supported"); 1191 croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version");
1192#endif
1086 } 1193 }
1087} 1194}
1088 1195
1089/* always use the TRANSFER macro */ 1196/* always use the TRANSFER macro */
1090static void NOINLINE 1197static void NOINLINE
1091transfer (pTHX_ struct coro *prev, struct coro *next) 1198transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx)
1092{ 1199{
1093 dSTACKLEVEL; 1200 dSTACKLEVEL;
1201 static volatile int has_throw;
1094 1202
1095 /* sometimes transfer is only called to set idle_sp */ 1203 /* sometimes transfer is only called to set idle_sp */
1096 if (expect_false (!next)) 1204 if (expect_false (!next))
1097 { 1205 {
1098 ((coro_cctx *)prev)->idle_sp = STACKLEVEL; 1206 ((coro_cctx *)prev)->idle_sp = STACKLEVEL;
1113 prev->flags &= ~CF_RUNNING; 1221 prev->flags &= ~CF_RUNNING;
1114 next->flags |= CF_RUNNING; 1222 next->flags |= CF_RUNNING;
1115 1223
1116 LOCK; 1224 LOCK;
1117 1225
1226 /* first get rid of the old state */
1227 save_perl (aTHX_ prev);
1228
1118 if (expect_false (next->flags & CF_NEW)) 1229 if (expect_false (next->flags & CF_NEW))
1119 { 1230 {
1120 /* need to start coroutine */ 1231 /* need to start coroutine */
1121 next->flags &= ~CF_NEW; 1232 next->flags &= ~CF_NEW;
1122 /* first get rid of the old state */
1123 save_perl (aTHX_ prev);
1124 /* setup coroutine call */ 1233 /* setup coroutine call */
1125 coro_setup (aTHX_ next); 1234 coro_setup (aTHX_ next);
1126 } 1235 }
1127 else 1236 else
1128 {
1129 /* coroutine already started */
1130 save_perl (aTHX_ prev);
1131 load_perl (aTHX_ next); 1237 load_perl (aTHX_ next);
1132 }
1133 1238
1134 prev__cctx = prev->cctx; 1239 prev__cctx = prev->cctx;
1135 1240
1136 /* possibly "free" the cctx */ 1241 /* possibly "free" the cctx */
1137 if (expect_true (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE))) 1242 if (expect_true (
1243 prev__cctx->idle_sp == STACKLEVEL
1244 && !(prev__cctx->flags & CC_TRACE)
1245 && !force_cctx
1246 ))
1138 { 1247 {
1139 /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */ 1248 /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */
1140 assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te)); 1249 assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
1141 1250
1142 prev->cctx = 0; 1251 prev->cctx = 0;
1152 1261
1153 ++next->usecount; 1262 ++next->usecount;
1154 1263
1155 if (expect_true (!next->cctx)) 1264 if (expect_true (!next->cctx))
1156 next->cctx = cctx_get (aTHX); 1265 next->cctx = cctx_get (aTHX);
1266
1267 has_throw = !!next->throw;
1157 1268
1158 if (expect_false (prev__cctx != next->cctx)) 1269 if (expect_false (prev__cctx != next->cctx))
1159 { 1270 {
1160 prev__cctx->top_env = PL_top_env; 1271 prev__cctx->top_env = PL_top_env;
1161 PL_top_env = next->cctx->top_env; 1272 PL_top_env = next->cctx->top_env;
1163 } 1274 }
1164 1275
1165 free_coro_mortal (aTHX); 1276 free_coro_mortal (aTHX);
1166 UNLOCK; 1277 UNLOCK;
1167 1278
1168 if (expect_false (prev->throw || next->throw)) 1279 if (expect_false (has_throw))
1169 { 1280 {
1170 struct coro *coro = SvSTATE (coro_current); 1281 struct coro *coro = SvSTATE (coro_current);
1171 1282
1172 if (coro->throw) 1283 if (coro->throw)
1173 { 1284 {
1183struct transfer_args 1294struct transfer_args
1184{ 1295{
1185 struct coro *prev, *next; 1296 struct coro *prev, *next;
1186}; 1297};
1187 1298
1188#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next) 1299#define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx))
1189#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next) 1300#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
1190 1301
1191/** high level stuff ********************************************************/ 1302/** high level stuff ********************************************************/
1192 1303
1193static int 1304static int
1287{ 1398{
1288 dTHX; 1399 dTHX;
1289 struct transfer_args ta; 1400 struct transfer_args ta;
1290 1401
1291 prepare_transfer (aTHX_ &ta, prev_sv, next_sv); 1402 prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1292 TRANSFER (ta); 1403 TRANSFER (ta, 1);
1293} 1404}
1294 1405
1295/** Coro ********************************************************************/ 1406/** Coro ********************************************************************/
1296 1407
1297static void 1408static void
1299{ 1410{
1300 av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv); 1411 av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv);
1301} 1412}
1302 1413
1303static SV * 1414static SV *
1304coro_deq (pTHX_ int min_prio) 1415coro_deq (pTHX)
1305{ 1416{
1306 int prio = PRIO_MAX - PRIO_MIN; 1417 int prio;
1307 1418
1308 min_prio -= PRIO_MIN;
1309 if (min_prio < 0)
1310 min_prio = 0;
1311
1312 for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= min_prio; ) 1419 for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; )
1313 if (AvFILLp (coro_ready [prio]) >= 0) 1420 if (AvFILLp (coro_ready [prio]) >= 0)
1314 return av_shift (coro_ready [prio]); 1421 return av_shift (coro_ready [prio]);
1315 1422
1316 return 0; 1423 return 0;
1317} 1424}
1319static int 1426static int
1320api_ready (SV *coro_sv) 1427api_ready (SV *coro_sv)
1321{ 1428{
1322 dTHX; 1429 dTHX;
1323 struct coro *coro; 1430 struct coro *coro;
1431 SV *sv_hook;
1432 void (*xs_hook)(void);
1324 1433
1325 if (SvROK (coro_sv)) 1434 if (SvROK (coro_sv))
1326 coro_sv = SvRV (coro_sv); 1435 coro_sv = SvRV (coro_sv);
1327 1436
1328 coro = SvSTATE (coro_sv); 1437 coro = SvSTATE (coro_sv);
1331 return 0; 1440 return 0;
1332 1441
1333 coro->flags |= CF_READY; 1442 coro->flags |= CF_READY;
1334 1443
1335 LOCK; 1444 LOCK;
1445
1446 sv_hook = coro_nready ? 0 : coro_readyhook;
1447 xs_hook = coro_nready ? 0 : coroapi.readyhook;
1448
1336 coro_enq (aTHX_ SvREFCNT_inc (coro_sv)); 1449 coro_enq (aTHX_ SvREFCNT_inc (coro_sv));
1337 ++coro_nready; 1450 ++coro_nready;
1451
1338 UNLOCK; 1452 UNLOCK;
1453
1454 if (sv_hook)
1455 {
1456 dSP;
1457
1458 ENTER;
1459 SAVETMPS;
1460
1461 PUSHMARK (SP);
1462 PUTBACK;
1463 call_sv (sv_hook, G_DISCARD);
1464 SPAGAIN;
1465
1466 FREETMPS;
1467 LEAVE;
1468 }
1469
1470 if (xs_hook)
1471 xs_hook ();
1339 1472
1340 return 1; 1473 return 1;
1341} 1474}
1342 1475
1343static int 1476static int
1353 SV *prev_sv, *next_sv; 1486 SV *prev_sv, *next_sv;
1354 1487
1355 for (;;) 1488 for (;;)
1356 { 1489 {
1357 LOCK; 1490 LOCK;
1358 next_sv = coro_deq (aTHX_ PRIO_MIN); 1491 next_sv = coro_deq (aTHX);
1359 1492
1360 /* nothing to schedule: call the idle handler */ 1493 /* nothing to schedule: call the idle handler */
1361 if (expect_false (!next_sv)) 1494 if (expect_false (!next_sv))
1362 { 1495 {
1363 dSP; 1496 dSP;
1367 SAVETMPS; 1500 SAVETMPS;
1368 1501
1369 PUSHMARK (SP); 1502 PUSHMARK (SP);
1370 PUTBACK; 1503 PUTBACK;
1371 call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD); 1504 call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD);
1505 SPAGAIN;
1372 1506
1373 FREETMPS; 1507 FREETMPS;
1374 LEAVE; 1508 LEAVE;
1375 continue; 1509 continue;
1376 } 1510 }
1431{ 1565{
1432 dTHX; 1566 dTHX;
1433 struct transfer_args ta; 1567 struct transfer_args ta;
1434 1568
1435 prepare_schedule (aTHX_ &ta); 1569 prepare_schedule (aTHX_ &ta);
1436 TRANSFER (ta); 1570 TRANSFER (ta, 1);
1437} 1571}
1438 1572
1439static int 1573static int
1440api_cede (void) 1574api_cede (void)
1441{ 1575{
1444 1578
1445 prepare_cede (aTHX_ &ta); 1579 prepare_cede (aTHX_ &ta);
1446 1580
1447 if (expect_true (ta.prev != ta.next)) 1581 if (expect_true (ta.prev != ta.next))
1448 { 1582 {
1449 TRANSFER (ta); 1583 TRANSFER (ta, 1);
1450 return 1; 1584 return 1;
1451 } 1585 }
1452 else 1586 else
1453 return 0; 1587 return 0;
1454} 1588}
1459 dTHX; 1593 dTHX;
1460 struct transfer_args ta; 1594 struct transfer_args ta;
1461 1595
1462 if (prepare_cede_notself (aTHX_ &ta)) 1596 if (prepare_cede_notself (aTHX_ &ta))
1463 { 1597 {
1464 TRANSFER (ta); 1598 TRANSFER (ta, 1);
1465 return 1; 1599 return 1;
1466 } 1600 }
1467 else 1601 else
1468 return 0; 1602 return 0;
1469} 1603}
1492 else 1626 else
1493 coro->slot->runops = RUNOPS_DEFAULT; 1627 coro->slot->runops = RUNOPS_DEFAULT;
1494 } 1628 }
1495} 1629}
1496 1630
1631static int
1632coro_gensub_free (pTHX_ SV *sv, MAGIC *mg)
1633{
1634 AV *padlist;
1635 AV *av = (AV *)mg->mg_obj;
1636
1637 abort ();
1638
1639 return 0;
1640}
1641
1642static MGVTBL coro_gensub_vtbl = {
1643 0, 0, 0, 0,
1644 coro_gensub_free
1645};
1646
1497MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ 1647MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1498 1648
1499PROTOTYPES: DISABLE 1649PROTOTYPES: DISABLE
1500 1650
1501BOOT: 1651BOOT:
1506 BOOT_PAGESIZE; 1656 BOOT_PAGESIZE;
1507 1657
1508 irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); 1658 irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV);
1509 stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); 1659 stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO);
1510 1660
1661 orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;
1662 orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;
1663 orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr;
1664
1511 hv_sig = coro_get_hv (aTHX_ "SIG", TRUE); 1665 hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);
1512 sv_diehook = coro_get_sv (aTHX_ "Coro::State::DIEHOOK" , TRUE); 1666 rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));
1513 sv_warnhook = coro_get_sv (aTHX_ "Coro::State::WARNHOOK", TRUE); 1667 rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));
1514
1515 if (!PL_diehook ) hv_store (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, SvREFCNT_inc (sv_diehook ), 0);
1516 if (!PL_warnhook) hv_store (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, SvREFCNT_inc (sv_warnhook), 0);
1517 1668
1518 coro_state_stash = gv_stashpv ("Coro::State", TRUE); 1669 coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1519 1670
1520 newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE)); 1671 newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1521 newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB)); 1672 newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
1526 main_top_env = PL_top_env; 1677 main_top_env = PL_top_env;
1527 1678
1528 while (main_top_env->je_prev) 1679 while (main_top_env->je_prev)
1529 main_top_env = main_top_env->je_prev; 1680 main_top_env = main_top_env->je_prev;
1530 1681
1531 coroapi.ver = CORO_API_VERSION; 1682 coroapi.ver = CORO_API_VERSION;
1532 coroapi.rev = CORO_API_REVISION; 1683 coroapi.rev = CORO_API_REVISION;
1533 coroapi.transfer = api_transfer; 1684 coroapi.transfer = api_transfer;
1534 1685
1535 assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); 1686 assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
1536} 1687}
1537 1688
1538SV * 1689SV *
1539new (char *klass, ...) 1690new (char *klass, ...)
1540 CODE: 1691 CODE:
1541{ 1692{
1542 struct coro *coro; 1693 struct coro *coro;
1694 MAGIC *mg;
1543 HV *hv; 1695 HV *hv;
1544 int i; 1696 int i;
1545 1697
1546 Newz (0, coro, 1, struct coro); 1698 Newz (0, coro, 1, struct coro);
1547 coro->args = newAV (); 1699 coro->args = newAV ();
1550 if (coro_first) coro_first->prev = coro; 1702 if (coro_first) coro_first->prev = coro;
1551 coro->next = coro_first; 1703 coro->next = coro_first;
1552 coro_first = coro; 1704 coro_first = coro;
1553 1705
1554 coro->hv = hv = newHV (); 1706 coro->hv = hv = newHV ();
1555 sv_magicext ((SV *)hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char *)coro, 0)->mg_flags |= MGf_DUP; 1707 mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0);
1708 mg->mg_flags |= MGf_DUP;
1556 RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); 1709 RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1557 1710
1558 av_extend (coro->args, items - 1); 1711 av_extend (coro->args, items - 1);
1559 for (i = 1; i < items; i++) 1712 for (i = 1; i < items; i++)
1560 av_push (coro->args, newSVsv (ST (i))); 1713 av_push (coro->args, newSVsv (ST (i)));
1574 Coro::cede_notself = 4 1727 Coro::cede_notself = 4
1575 CODE: 1728 CODE:
1576{ 1729{
1577 struct transfer_args ta; 1730 struct transfer_args ta;
1578 1731
1732 PUTBACK;
1579 switch (ix) 1733 switch (ix)
1580 { 1734 {
1581 case 0: 1735 case 0:
1582 ta.prev = (struct coro *)INT2PTR (coro_cctx *, SvIV (ST (0))); 1736 ta.prev = (struct coro *)INT2PTR (coro_cctx *, SvIV (ST (0)));
1583 ta.next = 0; 1737 ta.next = 0;
1602 if (!prepare_cede_notself (aTHX_ &ta)) 1756 if (!prepare_cede_notself (aTHX_ &ta))
1603 XSRETURN_EMPTY; 1757 XSRETURN_EMPTY;
1604 1758
1605 break; 1759 break;
1606 } 1760 }
1761 SPAGAIN;
1607 1762
1608 BARRIER; 1763 BARRIER;
1609 PUTBACK; 1764 PUTBACK;
1610 TRANSFER (ta); 1765 TRANSFER (ta, 0);
1611 SPAGAIN; /* might be the sp of a different coroutine now */ 1766 SPAGAIN; /* might be the sp of a different coroutine now */
1612 /* be extra careful not to ever do anything after TRANSFER */ 1767 /* be extra careful not to ever do anything after TRANSFER */
1613} 1768}
1614 1769
1615bool 1770bool
1618 RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); 1773 RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));
1619 OUTPUT: 1774 OUTPUT:
1620 RETVAL 1775 RETVAL
1621 1776
1622void 1777void
1623_exit (code) 1778_exit (int code)
1624 int code
1625 PROTOTYPE: $ 1779 PROTOTYPE: $
1626 CODE: 1780 CODE:
1627 _exit (code); 1781 _exit (code);
1628 1782
1629int 1783int
1669 { 1823 {
1670 struct coro temp; 1824 struct coro temp;
1671 1825
1672 if (!(coro->flags & CF_RUNNING)) 1826 if (!(coro->flags & CF_RUNNING))
1673 { 1827 {
1828 PUTBACK;
1674 save_perl (aTHX_ &temp); 1829 save_perl (aTHX_ &temp);
1675 load_perl (aTHX_ coro); 1830 load_perl (aTHX_ coro);
1676 } 1831 }
1677 1832
1678 { 1833 {
1697 1852
1698 if (!(coro->flags & CF_RUNNING)) 1853 if (!(coro->flags & CF_RUNNING))
1699 { 1854 {
1700 save_perl (aTHX_ coro); 1855 save_perl (aTHX_ coro);
1701 load_perl (aTHX_ &temp); 1856 load_perl (aTHX_ &temp);
1857 SPAGAIN;
1702 } 1858 }
1703 } 1859 }
1704} 1860}
1705 1861
1706SV * 1862SV *
1718 1874
1719void 1875void
1720api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) 1876api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB)
1721 1877
1722SV * 1878SV *
1723has_stack (Coro::State coro) 1879has_cctx (Coro::State coro)
1724 PROTOTYPE: $ 1880 PROTOTYPE: $
1725 CODE: 1881 CODE:
1726 RETVAL = boolSV (!!coro->cctx); 1882 RETVAL = boolSV (!!coro->cctx);
1727 OUTPUT: 1883 OUTPUT:
1728 RETVAL 1884 RETVAL
1747 case 1: RETVAL = coro->usecount; break; 1903 case 1: RETVAL = coro->usecount; break;
1748 } 1904 }
1749 OUTPUT: 1905 OUTPUT:
1750 RETVAL 1906 RETVAL
1751 1907
1908void
1909force_cctx ()
1910 CODE:
1911 struct coro *coro = SvSTATE (coro_current);
1912 coro->cctx->idle_sp = 0;
1913
1914void
1915throw (Coro::State self, SV *throw = &PL_sv_undef)
1916 PROTOTYPE: $;$
1917 CODE:
1918 SvREFCNT_dec (self->throw);
1919 self->throw = SvOK (throw) ? newSVsv (throw) : 0;
1920
1921void
1922swap_defsv (Coro::State self)
1923 PROTOTYPE: $
1924 ALIAS:
1925 swap_defav = 1
1926 CODE:
1927 if (!self->slot)
1928 croak ("cannot swap state with coroutine that has no saved state");
1929 else
1930 {
1931 SV **src = ix ? (SV **)&GvAV (PL_defgv) : &GvSV (PL_defgv);
1932 SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv;
1933
1934 SV *tmp = *src; *src = *dst; *dst = tmp;
1935 }
1752 1936
1753MODULE = Coro::State PACKAGE = Coro 1937MODULE = Coro::State PACKAGE = Coro
1754 1938
1755BOOT: 1939BOOT:
1756{ 1940{
1757 int i; 1941 int i;
1758 1942
1943 av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
1759 sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); 1944 sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
1760 sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); 1945 sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
1761 av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
1762 1946
1763 coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE); 1947 coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);
1764 SvREADONLY_on (coro_current); 1948 SvREADONLY_on (coro_current);
1765 1949
1766 coro_stash = gv_stashpv ("Coro", TRUE); 1950 coro_stash = gv_stashpv ("Coro", TRUE);
1798 PROTOTYPE: $ 1982 PROTOTYPE: $
1799 CODE: 1983 CODE:
1800 SvREFCNT_dec (SvRV (coro_current)); 1984 SvREFCNT_dec (SvRV (coro_current));
1801 SvRV_set (coro_current, SvREFCNT_inc (SvRV (current))); 1985 SvRV_set (coro_current, SvREFCNT_inc (SvRV (current)));
1802 1986
1987void
1988_set_readyhook (SV *hook)
1989 PROTOTYPE: $
1990 CODE:
1991 LOCK;
1992 SvREFCNT_dec (coro_readyhook);
1993 coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;
1994 UNLOCK;
1995
1803int 1996int
1804prio (Coro::State coro, int newprio = 0) 1997prio (Coro::State coro, int newprio = 0)
1805 ALIAS: 1998 ALIAS:
1806 nice = 1 1999 nice = 1
1807 CODE: 2000 CODE:
1836 CODE: 2029 CODE:
1837 RETVAL = coro_nready; 2030 RETVAL = coro_nready;
1838 OUTPUT: 2031 OUTPUT:
1839 RETVAL 2032 RETVAL
1840 2033
1841void
1842throw (Coro::State self, SV *throw = &PL_sv_undef)
1843 PROTOTYPE: $;$
1844 CODE:
1845 SvREFCNT_dec (self->throw);
1846 self->throw = SvOK (throw) ? newSVsv (throw) : 0;
1847
1848# for async_pool speedup 2034# for async_pool speedup
1849void 2035void
1850_pool_1 (SV *cb) 2036_pool_1 (SV *cb)
1851 CODE: 2037 CODE:
1852{ 2038{
1856 SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0); 2042 SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
1857 AV *invoke_av; 2043 AV *invoke_av;
1858 int i, len; 2044 int i, len;
1859 2045
1860 if (!invoke) 2046 if (!invoke)
2047 {
2048 SV *old = PL_diehook;
2049 PL_diehook = 0;
2050 SvREFCNT_dec (old);
1861 croak ("\3async_pool terminate\2\n"); 2051 croak ("\3async_pool terminate\2\n");
2052 }
1862 2053
1863 SvREFCNT_dec (coro->saved_deffh); 2054 SvREFCNT_dec (coro->saved_deffh);
1864 coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv); 2055 coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);
1865 2056
1866 hv_store (hv, "desc", sizeof ("desc") - 1, 2057 hv_store (hv, "desc", sizeof ("desc") - 1,
1892 SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; 2083 SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh;
1893 coro->saved_deffh = 0; 2084 coro->saved_deffh = 0;
1894 2085
1895 if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss) 2086 if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1896 || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) 2087 || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
2088 {
2089 SV *old = PL_diehook;
2090 PL_diehook = 0;
2091 SvREFCNT_dec (old);
1897 croak ("\3async_pool terminate\2\n"); 2092 croak ("\3async_pool terminate\2\n");
2093 }
1898 2094
1899 av_clear (GvAV (PL_defgv)); 2095 av_clear (GvAV (PL_defgv));
1900 hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1, 2096 hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
1901 newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0); 2097 newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
1902 2098
1905 if (coro->cctx && (coro->cctx->flags & CC_TRACE)) 2101 if (coro->cctx && (coro->cctx->flags & CC_TRACE))
1906 api_trace (coro_current, 0); 2102 api_trace (coro_current, 0);
1907 2103
1908 av_push (av_async_pool, newSVsv (coro_current)); 2104 av_push (av_async_pool, newSVsv (coro_current));
1909} 2105}
2106
2107#if 0
2108
2109void
2110_generator_call (...)
2111 PROTOTYPE: @
2112 PPCODE:
2113 fprintf (stderr, "call %p\n", CvXSUBANY(cv).any_ptr);
2114 xxxx
2115 abort ();
2116
2117SV *
2118gensub (SV *sub, ...)
2119 PROTOTYPE: &;@
2120 CODE:
2121{
2122 struct coro *coro;
2123 MAGIC *mg;
2124 CV *xcv;
2125 CV *ncv = (CV *)newSV_type (SVt_PVCV);
2126 int i;
2127
2128 CvGV (ncv) = CvGV (cv);
2129 CvFILE (ncv) = CvFILE (cv);
2130
2131 Newz (0, coro, 1, struct coro);
2132 coro->args = newAV ();
2133 coro->flags = CF_NEW;
2134
2135 av_extend (coro->args, items - 1);
2136 for (i = 1; i < items; i++)
2137 av_push (coro->args, newSVsv (ST (i)));
2138
2139 CvISXSUB_on (ncv);
2140 CvXSUBANY (ncv).any_ptr = (void *)coro;
2141
2142 xcv = GvCV (gv_fetchpv ("Coro::_generator_call", 0, SVt_PVCV));
2143
2144 CvXSUB (ncv) = CvXSUB (xcv);
2145 CvANON_on (ncv);
2146
2147 mg = sv_magicext ((SV *)ncv, 0, CORO_MAGIC_type_state, &coro_gensub_vtbl, (char *)coro, 0);
2148 RETVAL = newRV_noinc ((SV *)ncv);
2149}
2150 OUTPUT:
2151 RETVAL
2152
2153#endif
1910 2154
1911 2155
1912MODULE = Coro::State PACKAGE = Coro::AIO 2156MODULE = Coro::State PACKAGE = Coro::AIO
1913 2157
1914SV * 2158SV *
1941 PL_laststype = data->laststype; 2185 PL_laststype = data->laststype;
1942 PL_laststatval = data->laststatval; 2186 PL_laststatval = data->laststatval;
1943 PL_statcache = data->statcache; 2187 PL_statcache = data->statcache;
1944} 2188}
1945 2189
2190
2191MODULE = Coro::State PACKAGE = Coro::AnyEvent
2192
2193BOOT:
2194 sv_activity = coro_get_sv (aTHX_ "Coro::AnyEvent::ACTIVITY", TRUE);
2195
2196SV *
2197_schedule (...)
2198 PROTOTYPE: @
2199 CODE:
2200{
2201 static int incede;
2202
2203 api_cede_notself ();
2204
2205 ++incede;
2206 while (coro_nready >= incede && api_cede ())
2207 ;
2208
2209 sv_setsv (sv_activity, &PL_sv_undef);
2210 if (coro_nready >= incede)
2211 {
2212 PUSHMARK (SP);
2213 PUTBACK;
2214 call_pv ("Coro::AnyEvent::_activity", G_DISCARD | G_EVAL);
2215 SPAGAIN;
2216 }
2217
2218 --incede;
2219}
2220

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