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Comparing Coro/Coro/State.xs (file contents):
Revision 1.212 by root, Wed Oct 10 04:21:33 2007 UTC vs.
Revision 1.248 by root, Mon Sep 29 12:40:50 2008 UTC

… …
4#define PERL_EXT 4#define PERL_EXT
5 5
6#include "EXTERN.h" 6#include "EXTERN.h"
7#include "perl.h" 7#include "perl.h"
8#include "XSUB.h" 8#include "XSUB.h"
9#include "perliol.h"
9 10
10#include "patchlevel.h" 11#include "patchlevel.h"
11 12
12#include <stdio.h> 13#include <stdio.h>
13#include <errno.h> 14#include <errno.h>
14#include <assert.h> 15#include <assert.h>
16
17#ifdef WIN32
18# undef setjmp
19# undef longjmp
20# undef _exit
21# define setjmp _setjmp // deep magic, don't ask
22#else
15#include <inttypes.h> /* portable stdint.h */ 23# include <inttypes.h> /* most portable stdint.h */
24#endif
16 25
17#ifdef HAVE_MMAP 26#ifdef HAVE_MMAP
18# include <unistd.h> 27# include <unistd.h>
19# include <sys/mman.h> 28# include <sys/mman.h>
20# ifndef MAP_ANONYMOUS 29# ifndef MAP_ANONYMOUS
… …
72# ifndef IS_PADCONST 81# ifndef IS_PADCONST
73# define IS_PADCONST(v) 0 82# define IS_PADCONST(v) 0
74# endif 83# endif
75#endif 84#endif
76 85
86/* 5.8.8 */
87#ifndef GV_NOTQUAL
88# define GV_NOTQUAL 0
89#endif
90#ifndef newSV
91# define newSV(l) NEWSV(0,l)
92#endif
93
94/* 5.11 */
95#ifndef CxHASARGS
96# define CxHASARGS(cx) (cx)->blk_sub.hasargs
97#endif
98
77/* 5.8.7 */ 99/* 5.8.7 */
78#ifndef SvRV_set 100#ifndef SvRV_set
79# define SvRV_set(s,v) SvRV(s) = (v) 101# 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 102#endif
89 103
90#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 104#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64
91# undef CORO_STACKGUARD 105# undef CORO_STACKGUARD
92#endif 106#endif
… …
140 I32 laststype; 154 I32 laststype;
141 int laststatval; 155 int laststatval;
142 Stat_t statcache; 156 Stat_t statcache;
143}; 157};
144 158
159static double (*nvtime)(); /* so why doesn't it take void? */
160
145static size_t coro_stacksize = CORO_STACKSIZE; 161static size_t coro_stacksize = CORO_STACKSIZE;
146static struct CoroAPI coroapi; 162static struct CoroAPI coroapi;
147static AV *main_mainstack; /* used to differentiate between $main and others */ 163static AV *main_mainstack; /* used to differentiate between $main and others */
148static JMPENV *main_top_env; 164static JMPENV *main_top_env;
149static HV *coro_state_stash, *coro_stash; 165static HV *coro_state_stash, *coro_stash;
150static SV *coro_mortal; /* will be freed after next transfer */ 166static volatile SV *coro_mortal; /* will be freed after next transfer */
151 167
152static GV *irsgv; /* $/ */ 168static GV *irsgv; /* $/ */
153static GV *stdoutgv; /* *STDOUT */ 169static GV *stdoutgv; /* *STDOUT */
154 170static SV *rv_diehook;
171static SV *rv_warnhook;
155static HV *hv_sig; /* %SIG */ 172static HV *hv_sig; /* %SIG */
156static SV *sv_diehook;
157static SV *sv_warnhook;
158 173
159/* async_pool helper stuff */ 174/* async_pool helper stuff */
160static SV *sv_pool_rss; 175static SV *sv_pool_rss;
161static SV *sv_pool_size; 176static SV *sv_pool_size;
162static AV *av_async_pool; 177static AV *av_async_pool;
178
179/* Coro::AnyEvent */
180static SV *sv_activity;
163 181
164static struct coro_cctx *cctx_first; 182static struct coro_cctx *cctx_first;
165static int cctx_count, cctx_idle; 183static int cctx_count, cctx_idle;
166 184
167enum { 185enum {
… …
253#define PRIO_IDLE -3 271#define PRIO_IDLE -3
254#define PRIO_MIN -4 272#define PRIO_MIN -4
255 273
256/* for Coro.pm */ 274/* for Coro.pm */
257static SV *coro_current; 275static SV *coro_current;
276static SV *coro_readyhook;
258static AV *coro_ready [PRIO_MAX-PRIO_MIN+1]; 277static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
259static int coro_nready; 278static int coro_nready;
260static struct coro *coro_first; 279static struct coro *coro_first;
261 280
262/** lowlevel stuff **********************************************************/ 281/** lowlevel stuff **********************************************************/
263 282
264static SV * 283static SV *
265coro_get_sv (const char *name, int create) 284coro_get_sv (pTHX_ const char *name, int create)
266{ 285{
267#if PERL_VERSION_ATLEAST (5,9,0) 286#if PERL_VERSION_ATLEAST (5,10,0)
268 /* silence stupid and wrong 5.10 warning that I am unable to switch off */ 287 /* silence stupid and wrong 5.10 warning that I am unable to switch off */
269 get_sv (name, create); 288 get_sv (name, create);
270#endif 289#endif
271 return get_sv (name, create); 290 return get_sv (name, create);
272} 291}
273 292
274static AV * 293static AV *
275coro_get_av (const char *name, int create) 294coro_get_av (pTHX_ const char *name, int create)
276{ 295{
277#if PERL_VERSION_ATLEAST (5,9,0) 296#if PERL_VERSION_ATLEAST (5,10,0)
278 /* silence stupid and wrong 5.10 warning that I am unable to switch off */ 297 /* silence stupid and wrong 5.10 warning that I am unable to switch off */
279 get_av (name, create); 298 get_av (name, create);
280#endif 299#endif
281 return get_av (name, create); 300 return get_av (name, create);
282} 301}
283 302
284static HV * 303static HV *
285coro_get_hv (const char *name, int create) 304coro_get_hv (pTHX_ const char *name, int create)
286{ 305{
287#if PERL_VERSION_ATLEAST (5,9,0) 306#if PERL_VERSION_ATLEAST (5,10,0)
288 /* silence stupid and wrong 5.10 warning that I am unable to switch off */ 307 /* silence stupid and wrong 5.10 warning that I am unable to switch off */
289 get_hv (name, create); 308 get_hv (name, create);
290#endif 309#endif
291 return get_hv (name, create); 310 return get_hv (name, create);
292} 311}
… …
297 AV *padlist = CvPADLIST (cv); 316 AV *padlist = CvPADLIST (cv);
298 AV *newpadlist, *newpad; 317 AV *newpadlist, *newpad;
299 318
300 newpadlist = newAV (); 319 newpadlist = newAV ();
301 AvREAL_off (newpadlist); 320 AvREAL_off (newpadlist);
302#if PERL_VERSION_ATLEAST (5,9,0) 321#if PERL_VERSION_ATLEAST (5,10,0)
303 Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1); 322 Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);
304#else 323#else
305 Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); 324 Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
306#endif 325#endif
307 newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; 326 newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
… …
345 364
346 /* casting is fun. */ 365 /* casting is fun. */
347 while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av))) 366 while (&PL_sv_undef != (SV *)(padlist = (AV *)av_pop (av)))
348 free_padlist (aTHX_ padlist); 367 free_padlist (aTHX_ padlist);
349 368
350 SvREFCNT_dec (av); 369 SvREFCNT_dec (av); /* sv_magicext increased the refcount */
351 370
352 return 0; 371 return 0;
353} 372}
354 373
355#define PERL_MAGIC_coro PERL_MAGIC_ext 374#define CORO_MAGIC_type_cv PERL_MAGIC_ext
375#define CORO_MAGIC_type_state PERL_MAGIC_ext
356 376
357static MGVTBL vtbl_coro = {0, 0, 0, 0, coro_cv_free}; 377static MGVTBL coro_cv_vtbl = {
378 0, 0, 0, 0,
379 coro_cv_free
380};
358 381
359#define CORO_MAGIC(cv) \ 382#define CORO_MAGIC(sv,type) \
360 SvMAGIC (cv) \ 383 SvMAGIC (sv) \
361 ? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \ 384 ? SvMAGIC (sv)->mg_type == type \
362 ? SvMAGIC (cv) \ 385 ? SvMAGIC (sv) \
363 : mg_find ((SV *)cv, PERL_MAGIC_coro) \ 386 : mg_find (sv, type) \
364 : 0 387 : 0
388
389#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
390#define CORO_MAGIC_state(sv) CORO_MAGIC (((SV *)(sv)), CORO_MAGIC_type_state)
365 391
366static struct coro * 392static struct coro *
367SvSTATE_ (pTHX_ SV *coro) 393SvSTATE_ (pTHX_ SV *coro)
368{ 394{
369 HV *stash; 395 HV *stash;
… …
381 /* very slow, but rare, check */ 407 /* very slow, but rare, check */
382 if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State")) 408 if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
383 croak ("Coro::State object required"); 409 croak ("Coro::State object required");
384 } 410 }
385 411
386 mg = CORO_MAGIC (coro); 412 mg = CORO_MAGIC_state (coro);
387 return (struct coro *)mg->mg_ptr; 413 return (struct coro *)mg->mg_ptr;
388} 414}
389 415
390#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv)) 416#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
391 417
392/* the next two functions merely cache the padlists */ 418/* the next two functions merely cache the padlists */
393static void 419static void
394get_padlist (pTHX_ CV *cv) 420get_padlist (pTHX_ CV *cv)
395{ 421{
396 MAGIC *mg = CORO_MAGIC (cv); 422 MAGIC *mg = CORO_MAGIC_cv (cv);
397 AV *av; 423 AV *av;
398 424
399 if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0)) 425 if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))
400 CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--]; 426 CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
401 else 427 else
402 { 428 {
403#if CORO_PREFER_PERL_FUNCTIONS 429#if CORO_PREFER_PERL_FUNCTIONS
404 /* this is probably cleaner, but also slower? */ 430 /* this is probably cleaner? but also slower! */
431 /* in practise, it seems to be less stable */
405 CV *cp = Perl_cv_clone (cv); 432 CV *cp = Perl_cv_clone (cv);
406 CvPADLIST (cv) = CvPADLIST (cp); 433 CvPADLIST (cv) = CvPADLIST (cp);
407 CvPADLIST (cp) = 0; 434 CvPADLIST (cp) = 0;
408 SvREFCNT_dec (cp); 435 SvREFCNT_dec (cp);
409#else 436#else
… …
413} 440}
414 441
415static void 442static void
416put_padlist (pTHX_ CV *cv) 443put_padlist (pTHX_ CV *cv)
417{ 444{
418 MAGIC *mg = CORO_MAGIC (cv); 445 MAGIC *mg = CORO_MAGIC_cv (cv);
419 AV *av; 446 AV *av;
420 447
421 if (expect_false (!mg)) 448 if (expect_false (!mg))
422 { 449 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 }
428 450
429 av = (AV *)mg->mg_obj; 451 av = (AV *)mg->mg_obj;
430 452
431 if (expect_false (AvFILLp (av) >= AvMAX (av))) 453 if (expect_false (AvFILLp (av) >= AvMAX (av)))
432 av_extend (av, AvMAX (av) + 1); 454 av_extend (av, AvMAX (av) + 1);
… …
450 GvSV (irsgv) = slot->irsgv; 472 GvSV (irsgv) = slot->irsgv;
451 473
452 #define VAR(name,type) PL_ ## name = slot->name; 474 #define VAR(name,type) PL_ ## name = slot->name;
453 # include "state.h" 475 # include "state.h"
454 #undef VAR 476 #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);*/
458 477
459 { 478 {
460 dSP; 479 dSP;
461 480
462 CV *cv; 481 CV *cv;
… …
501 520
502 if (expect_true (CvDEPTH (cv))) 521 if (expect_true (CvDEPTH (cv)))
503 { 522 {
504 EXTEND (SP, 3); 523 EXTEND (SP, 3);
505 PUSHs ((SV *)CvPADLIST (cv)); 524 PUSHs ((SV *)CvPADLIST (cv));
506 PUSHs (INT2PTR (SV *, CvDEPTH (cv))); 525 PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv)));
507 PUSHs ((SV *)cv); 526 PUSHs ((SV *)cv);
508 527
509 CvDEPTH (cv) = 0; 528 CvDEPTH (cv) = 0;
510 get_padlist (aTHX_ cv); 529 get_padlist (aTHX_ cv);
511 } 530 }
… …
591 610
592 New(54,PL_savestack,24,ANY); 611 New(54,PL_savestack,24,ANY);
593 PL_savestack_ix = 0; 612 PL_savestack_ix = 0;
594 PL_savestack_max = 24; 613 PL_savestack_max = 24;
595 614
596#if !PERL_VERSION_ATLEAST (5,9,0) 615#if !PERL_VERSION_ATLEAST (5,10,0)
597 New(54,PL_retstack,4,OP*); 616 New(54,PL_retstack,4,OP*);
598 PL_retstack_ix = 0; 617 PL_retstack_ix = 0;
599 PL_retstack_max = 4; 618 PL_retstack_max = 4;
600#endif 619#endif
601} 620}
… …
624 643
625 Safefree (PL_tmps_stack); 644 Safefree (PL_tmps_stack);
626 Safefree (PL_markstack); 645 Safefree (PL_markstack);
627 Safefree (PL_scopestack); 646 Safefree (PL_scopestack);
628 Safefree (PL_savestack); 647 Safefree (PL_savestack);
629#if !PERL_VERSION_ATLEAST (5,9,0) 648#if !PERL_VERSION_ATLEAST (5,10,0)
630 Safefree (PL_retstack); 649 Safefree (PL_retstack);
631#endif 650#endif
632} 651}
633 652
634static size_t 653static size_t
… …
650 #undef VAR 669 #undef VAR
651 } 670 }
652 else 671 else
653 slot = coro->slot; 672 slot = coro->slot;
654 673
674 if (slot)
675 {
655 rss += sizeof (slot->curstackinfo); 676 rss += sizeof (slot->curstackinfo);
656 rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT); 677 rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
657 rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *); 678 rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);
658 rss += slot->tmps_max * sizeof (SV *); 679 rss += slot->tmps_max * sizeof (SV *);
659 rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32); 680 rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
660 rss += slot->scopestack_max * sizeof (I32); 681 rss += slot->scopestack_max * sizeof (I32);
661 rss += slot->savestack_max * sizeof (ANY); 682 rss += slot->savestack_max * sizeof (ANY);
662 683
663#if !PERL_VERSION_ATLEAST (5,9,0) 684#if !PERL_VERSION_ATLEAST (5,10,0)
664 rss += slot->retstack_max * sizeof (OP *); 685 rss += slot->retstack_max * sizeof (OP *);
665#endif 686#endif
687 }
666 } 688 }
667 689
668 return rss; 690 return rss;
669} 691}
670 692
671/** coroutine stack handling ************************************************/ 693/** coroutine stack handling ************************************************/
694
695static int (*orig_sigelem_get) (pTHX_ SV *sv, MAGIC *mg);
696static int (*orig_sigelem_set) (pTHX_ SV *sv, MAGIC *mg);
697static int (*orig_sigelem_clr) (pTHX_ SV *sv, MAGIC *mg);
698
699/* apparently < 5.8.8 */
700#ifndef MgPV_nolen_const
701#define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \
702 SvPV_nolen((SV*)((mg)->mg_ptr)) : \
703 (const char*)(mg)->mg_ptr)
704#endif
705
706/*
707 * This overrides the default magic get method of %SIG elements.
708 * The original one doesn't provide for reading back of PL_diehook/PL_warnhook
709 * and instead of tryign to save and restore the hash elements, we just provide
710 * readback here.
711 * We only do this when the hook is != 0, as they are often set to 0 temporarily,
712 * not expecting this to actually change the hook. This is a potential problem
713 * when a schedule happens then, but we ignore this.
714 */
715static int
716coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg)
717{
718 const char *s = MgPV_nolen_const (mg);
719
720 if (*s == '_')
721 {
722 SV **svp = 0;
723
724 if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
725 if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
726
727 if (svp)
728 {
729 sv_setsv (sv, *svp ? *svp : &PL_sv_undef);
730 return 0;
731 }
732 }
733
734 return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0;
735}
736
737static int
738coro_sigelem_clr (pTHX_ SV *sv, MAGIC *mg)
739{
740 const char *s = MgPV_nolen_const (mg);
741
742 if (*s == '_')
743 {
744 SV **svp = 0;
745
746 if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
747 if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
748
749 if (svp)
750 {
751 SV *old = *svp;
752 *svp = 0;
753 SvREFCNT_dec (old);
754 return 0;
755 }
756 }
757
758 return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0;
759}
760
761static int
762coro_sigelem_set (pTHX_ SV *sv, MAGIC *mg)
763{
764 const char *s = MgPV_nolen_const (mg);
765
766 if (*s == '_')
767 {
768 SV **svp = 0;
769
770 if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
771 if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
772
773 if (svp)
774 {
775 SV *old = *svp;
776 *svp = newSVsv (sv);
777 SvREFCNT_dec (old);
778 return 0;
779 }
780 }
781
782 return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0;
783}
672 784
673static void 785static void
674coro_setup (pTHX_ struct coro *coro) 786coro_setup (pTHX_ struct coro *coro)
675{ 787{
676 /* 788 /*
… …
685 PL_curpm = 0; 797 PL_curpm = 0;
686 PL_curpad = 0; 798 PL_curpad = 0;
687 PL_localizing = 0; 799 PL_localizing = 0;
688 PL_dirty = 0; 800 PL_dirty = 0;
689 PL_restartop = 0; 801 PL_restartop = 0;
802#if PERL_VERSION_ATLEAST (5,10,0)
803 PL_parser = 0;
804#endif
805
806 /* recreate the die/warn hooks */
690 PL_diehook = 0; hv_store (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, SvREFCNT_inc (sv_diehook ), 0); 807 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); 808 PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook);
692 809
693 GvSV (PL_defgv) = newSV (0); 810 GvSV (PL_defgv) = newSV (0);
694 GvAV (PL_defgv) = coro->args; coro->args = 0; 811 GvAV (PL_defgv) = coro->args; coro->args = 0;
695 GvSV (PL_errgv) = newSV (0); 812 GvSV (PL_errgv) = newSV (0);
696 GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); 813 GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
… …
847 SAVETMPS; 964 SAVETMPS;
848 EXTEND (SP, 3); 965 EXTEND (SP, 3);
849 PUSHMARK (SP); 966 PUSHMARK (SP);
850 PUSHs (&PL_sv_yes); 967 PUSHs (&PL_sv_yes);
851 PUSHs (fullname); 968 PUSHs (fullname);
852 PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef); 969 PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
853 PUTBACK; 970 PUTBACK;
854 cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0); 971 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); 972 if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
856 SPAGAIN; 973 SPAGAIN;
857 FREETMPS; 974 FREETMPS;
… …
1073 croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states"); 1190 croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
1074 1191
1075 if (expect_false (next->flags & CF_DESTROYED)) 1192 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"); 1193 croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
1077 1194
1078 if (
1079#if PERL_VERSION_ATLEAST (5,9,0) 1195#if !PERL_VERSION_ATLEAST (5,10,0)
1080 expect_false (PL_parser)
1081#else
1082 expect_false (PL_lex_state != LEX_NOTPARSING) 1196 if (expect_false (PL_lex_state != LEX_NOTPARSING))
1083#endif
1084 )
1085 croak ("Coro::State::transfer called while parsing, but this is not supported"); 1197 croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version");
1198#endif
1086 } 1199 }
1087} 1200}
1088 1201
1089/* always use the TRANSFER macro */ 1202/* always use the TRANSFER macro */
1090static void NOINLINE 1203static void NOINLINE
1091transfer (pTHX_ struct coro *prev, struct coro *next) 1204transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx)
1092{ 1205{
1093 dSTACKLEVEL; 1206 dSTACKLEVEL;
1207 static volatile int has_throw;
1094 1208
1095 /* sometimes transfer is only called to set idle_sp */ 1209 /* sometimes transfer is only called to set idle_sp */
1096 if (expect_false (!next)) 1210 if (expect_false (!next))
1097 { 1211 {
1098 ((coro_cctx *)prev)->idle_sp = STACKLEVEL; 1212 ((coro_cctx *)prev)->idle_sp = STACKLEVEL;
… …
1113 prev->flags &= ~CF_RUNNING; 1227 prev->flags &= ~CF_RUNNING;
1114 next->flags |= CF_RUNNING; 1228 next->flags |= CF_RUNNING;
1115 1229
1116 LOCK; 1230 LOCK;
1117 1231
1232 /* first get rid of the old state */
1233 save_perl (aTHX_ prev);
1234
1118 if (expect_false (next->flags & CF_NEW)) 1235 if (expect_false (next->flags & CF_NEW))
1119 { 1236 {
1120 /* need to start coroutine */ 1237 /* need to start coroutine */
1121 next->flags &= ~CF_NEW; 1238 next->flags &= ~CF_NEW;
1122 /* first get rid of the old state */
1123 save_perl (aTHX_ prev);
1124 /* setup coroutine call */ 1239 /* setup coroutine call */
1125 coro_setup (aTHX_ next); 1240 coro_setup (aTHX_ next);
1126 } 1241 }
1127 else 1242 else
1128 {
1129 /* coroutine already started */
1130 save_perl (aTHX_ prev);
1131 load_perl (aTHX_ next); 1243 load_perl (aTHX_ next);
1132 }
1133 1244
1134 prev__cctx = prev->cctx; 1245 prev__cctx = prev->cctx;
1135 1246
1136 /* possibly "free" the cctx */ 1247 /* possibly "free" the cctx */
1137 if (expect_true (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE))) 1248 if (expect_true (
1249 prev__cctx->idle_sp == STACKLEVEL
1250 && !(prev__cctx->flags & CC_TRACE)
1251 && !force_cctx
1252 ))
1138 { 1253 {
1139 /* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */ 1254 /* 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)); 1255 assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
1141 1256
1142 prev->cctx = 0; 1257 prev->cctx = 0;
… …
1152 1267
1153 ++next->usecount; 1268 ++next->usecount;
1154 1269
1155 if (expect_true (!next->cctx)) 1270 if (expect_true (!next->cctx))
1156 next->cctx = cctx_get (aTHX); 1271 next->cctx = cctx_get (aTHX);
1272
1273 has_throw = !!next->throw;
1157 1274
1158 if (expect_false (prev__cctx != next->cctx)) 1275 if (expect_false (prev__cctx != next->cctx))
1159 { 1276 {
1160 prev__cctx->top_env = PL_top_env; 1277 prev__cctx->top_env = PL_top_env;
1161 PL_top_env = next->cctx->top_env; 1278 PL_top_env = next->cctx->top_env;
… …
1163 } 1280 }
1164 1281
1165 free_coro_mortal (aTHX); 1282 free_coro_mortal (aTHX);
1166 UNLOCK; 1283 UNLOCK;
1167 1284
1168 if (expect_false (prev->throw || next->throw)) 1285 if (expect_false (has_throw))
1169 { 1286 {
1170 struct coro *coro = SvSTATE (coro_current); 1287 struct coro *coro = SvSTATE (coro_current);
1171 1288
1172 if (coro->throw) 1289 if (coro->throw)
1173 { 1290 {
… …
1183struct transfer_args 1300struct transfer_args
1184{ 1301{
1185 struct coro *prev, *next; 1302 struct coro *prev, *next;
1186}; 1303};
1187 1304
1188#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next) 1305#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) 1306#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
1190 1307
1191/** high level stuff ********************************************************/ 1308/** high level stuff ********************************************************/
1192 1309
1193static int 1310static int
… …
1287{ 1404{
1288 dTHX; 1405 dTHX;
1289 struct transfer_args ta; 1406 struct transfer_args ta;
1290 1407
1291 prepare_transfer (aTHX_ &ta, prev_sv, next_sv); 1408 prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1292 TRANSFER (ta); 1409 TRANSFER (ta, 1);
1293} 1410}
1294 1411
1295/** Coro ********************************************************************/ 1412/** Coro ********************************************************************/
1296 1413
1297static void 1414static void
… …
1299{ 1416{
1300 av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv); 1417 av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv);
1301} 1418}
1302 1419
1303static SV * 1420static SV *
1304coro_deq (pTHX_ int min_prio) 1421coro_deq (pTHX)
1305{ 1422{
1306 int prio = PRIO_MAX - PRIO_MIN; 1423 int prio;
1307 1424
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; ) 1425 for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; )
1313 if (AvFILLp (coro_ready [prio]) >= 0) 1426 if (AvFILLp (coro_ready [prio]) >= 0)
1314 return av_shift (coro_ready [prio]); 1427 return av_shift (coro_ready [prio]);
1315 1428
1316 return 0; 1429 return 0;
1317} 1430}
… …
1319static int 1432static int
1320api_ready (SV *coro_sv) 1433api_ready (SV *coro_sv)
1321{ 1434{
1322 dTHX; 1435 dTHX;
1323 struct coro *coro; 1436 struct coro *coro;
1437 SV *sv_hook;
1438 void (*xs_hook)(void);
1324 1439
1325 if (SvROK (coro_sv)) 1440 if (SvROK (coro_sv))
1326 coro_sv = SvRV (coro_sv); 1441 coro_sv = SvRV (coro_sv);
1327 1442
1328 coro = SvSTATE (coro_sv); 1443 coro = SvSTATE (coro_sv);
… …
1331 return 0; 1446 return 0;
1332 1447
1333 coro->flags |= CF_READY; 1448 coro->flags |= CF_READY;
1334 1449
1335 LOCK; 1450 LOCK;
1451
1452 sv_hook = coro_nready ? 0 : coro_readyhook;
1453 xs_hook = coro_nready ? 0 : coroapi.readyhook;
1454
1336 coro_enq (aTHX_ SvREFCNT_inc (coro_sv)); 1455 coro_enq (aTHX_ SvREFCNT_inc (coro_sv));
1337 ++coro_nready; 1456 ++coro_nready;
1457
1338 UNLOCK; 1458 UNLOCK;
1459
1460 if (sv_hook)
1461 {
1462 dSP;
1463
1464 ENTER;
1465 SAVETMPS;
1466
1467 PUSHMARK (SP);
1468 PUTBACK;
1469 call_sv (sv_hook, G_DISCARD);
1470 SPAGAIN;
1471
1472 FREETMPS;
1473 LEAVE;
1474 }
1475
1476 if (xs_hook)
1477 xs_hook ();
1339 1478
1340 return 1; 1479 return 1;
1341} 1480}
1342 1481
1343static int 1482static int
… …
1353 SV *prev_sv, *next_sv; 1492 SV *prev_sv, *next_sv;
1354 1493
1355 for (;;) 1494 for (;;)
1356 { 1495 {
1357 LOCK; 1496 LOCK;
1358 next_sv = coro_deq (aTHX_ PRIO_MIN); 1497 next_sv = coro_deq (aTHX);
1359 1498
1360 /* nothing to schedule: call the idle handler */ 1499 /* nothing to schedule: call the idle handler */
1361 if (expect_false (!next_sv)) 1500 if (expect_false (!next_sv))
1362 { 1501 {
1363 dSP; 1502 dSP;
… …
1367 SAVETMPS; 1506 SAVETMPS;
1368 1507
1369 PUSHMARK (SP); 1508 PUSHMARK (SP);
1370 PUTBACK; 1509 PUTBACK;
1371 call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD); 1510 call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD);
1511 SPAGAIN;
1372 1512
1373 FREETMPS; 1513 FREETMPS;
1374 LEAVE; 1514 LEAVE;
1375 continue; 1515 continue;
1376 } 1516 }
… …
1431{ 1571{
1432 dTHX; 1572 dTHX;
1433 struct transfer_args ta; 1573 struct transfer_args ta;
1434 1574
1435 prepare_schedule (aTHX_ &ta); 1575 prepare_schedule (aTHX_ &ta);
1436 TRANSFER (ta); 1576 TRANSFER (ta, 1);
1437} 1577}
1438 1578
1439static int 1579static int
1440api_cede (void) 1580api_cede (void)
1441{ 1581{
… …
1444 1584
1445 prepare_cede (aTHX_ &ta); 1585 prepare_cede (aTHX_ &ta);
1446 1586
1447 if (expect_true (ta.prev != ta.next)) 1587 if (expect_true (ta.prev != ta.next))
1448 { 1588 {
1449 TRANSFER (ta); 1589 TRANSFER (ta, 1);
1450 return 1; 1590 return 1;
1451 } 1591 }
1452 else 1592 else
1453 return 0; 1593 return 0;
1454} 1594}
… …
1459 dTHX; 1599 dTHX;
1460 struct transfer_args ta; 1600 struct transfer_args ta;
1461 1601
1462 if (prepare_cede_notself (aTHX_ &ta)) 1602 if (prepare_cede_notself (aTHX_ &ta))
1463 { 1603 {
1464 TRANSFER (ta); 1604 TRANSFER (ta, 1);
1465 return 1; 1605 return 1;
1466 } 1606 }
1467 else 1607 else
1468 return 0; 1608 return 0;
1469} 1609}
… …
1492 else 1632 else
1493 coro->slot->runops = RUNOPS_DEFAULT; 1633 coro->slot->runops = RUNOPS_DEFAULT;
1494 } 1634 }
1495} 1635}
1496 1636
1637static int
1638coro_gensub_free (pTHX_ SV *sv, MAGIC *mg)
1639{
1640 AV *padlist;
1641 AV *av = (AV *)mg->mg_obj;
1642
1643 abort ();
1644
1645 return 0;
1646}
1647
1648static MGVTBL coro_gensub_vtbl = {
1649 0, 0, 0, 0,
1650 coro_gensub_free
1651};
1652
1653/*****************************************************************************/
1654/* PerlIO::cede */
1655
1656typedef struct
1657{
1658 PerlIOBuf base;
1659 NV next, every;
1660} PerlIOCede;
1661
1662static IV
1663PerlIOCede_pushed (pTHX_ PerlIO *f, const char *mode, SV *arg, PerlIO_funcs *tab)
1664{
1665 PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
1666
1667 self->every = SvCUR (arg) ? SvNV (arg) : 0.01;
1668 self->next = nvtime () + self->every;
1669
1670 return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab);
1671}
1672
1673static SV *
1674PerlIOCede_getarg (pTHX_ PerlIO *f, CLONE_PARAMS *param, int flags)
1675{
1676 PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
1677
1678 return newSVnv (self->every);
1679}
1680
1681static IV
1682PerlIOCede_flush (pTHX_ PerlIO *f)
1683{
1684 PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
1685 double now = nvtime ();
1686
1687 if (now >= self->next)
1688 {
1689 api_cede ();
1690 self->next = now + self->every;
1691 }
1692
1693 return PerlIOBuf_flush (aTHX_ f);
1694}
1695
1696static PerlIO_funcs PerlIO_cede =
1697{
1698 sizeof(PerlIO_funcs),
1699 "cede",
1700 sizeof(PerlIOCede),
1701 PERLIO_K_DESTRUCT | PERLIO_K_RAW,
1702 PerlIOCede_pushed,
1703 PerlIOBuf_popped,
1704 PerlIOBuf_open,
1705 PerlIOBase_binmode,
1706 PerlIOCede_getarg,
1707 PerlIOBase_fileno,
1708 PerlIOBuf_dup,
1709 PerlIOBuf_read,
1710 PerlIOBuf_unread,
1711 PerlIOBuf_write,
1712 PerlIOBuf_seek,
1713 PerlIOBuf_tell,
1714 PerlIOBuf_close,
1715 PerlIOCede_flush,
1716 PerlIOBuf_fill,
1717 PerlIOBase_eof,
1718 PerlIOBase_error,
1719 PerlIOBase_clearerr,
1720 PerlIOBase_setlinebuf,
1721 PerlIOBuf_get_base,
1722 PerlIOBuf_bufsiz,
1723 PerlIOBuf_get_ptr,
1724 PerlIOBuf_get_cnt,
1725 PerlIOBuf_set_ptrcnt,
1726};
1727
1728
1497MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ 1729MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1498 1730
1499PROTOTYPES: DISABLE 1731PROTOTYPES: DISABLE
1500 1732
1501BOOT: 1733BOOT:
… …
1506 BOOT_PAGESIZE; 1738 BOOT_PAGESIZE;
1507 1739
1508 irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); 1740 irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV);
1509 stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); 1741 stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO);
1510 1742
1743 orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;
1744 orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;
1745 orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr;
1746
1511 hv_sig = coro_get_hv ("SIG", TRUE); 1747 hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);
1512 sv_diehook = coro_get_sv ("Coro::State::DIEHOOK" , TRUE); 1748 rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));
1513 sv_warnhook = coro_get_sv ("Coro::State::WARNHOOK", TRUE); 1749 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 1750
1518 coro_state_stash = gv_stashpv ("Coro::State", TRUE); 1751 coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1519 1752
1520 newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE)); 1753 newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1521 newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB)); 1754 newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
… …
1526 main_top_env = PL_top_env; 1759 main_top_env = PL_top_env;
1527 1760
1528 while (main_top_env->je_prev) 1761 while (main_top_env->je_prev)
1529 main_top_env = main_top_env->je_prev; 1762 main_top_env = main_top_env->je_prev;
1530 1763
1531 coroapi.ver = CORO_API_VERSION; 1764 coroapi.ver = CORO_API_VERSION;
1532 coroapi.rev = CORO_API_REVISION; 1765 coroapi.rev = CORO_API_REVISION;
1533 coroapi.transfer = api_transfer; 1766 coroapi.transfer = api_transfer;
1767
1768 {
1769 SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0);
1770
1771 if (!svp) croak ("Time::HiRes is required");
1772 if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");
1773
1774 nvtime = INT2PTR (double (*)(), SvIV (*svp));
1775 }
1534 1776
1535 assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL)); 1777 assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
1536} 1778}
1537 1779
1538SV * 1780SV *
1539new (char *klass, ...) 1781new (char *klass, ...)
1540 CODE: 1782 CODE:
1541{ 1783{
1542 struct coro *coro; 1784 struct coro *coro;
1785 MAGIC *mg;
1543 HV *hv; 1786 HV *hv;
1544 int i; 1787 int i;
1545 1788
1546 Newz (0, coro, 1, struct coro); 1789 Newz (0, coro, 1, struct coro);
1547 coro->args = newAV (); 1790 coro->args = newAV ();
… …
1550 if (coro_first) coro_first->prev = coro; 1793 if (coro_first) coro_first->prev = coro;
1551 coro->next = coro_first; 1794 coro->next = coro_first;
1552 coro_first = coro; 1795 coro_first = coro;
1553 1796
1554 coro->hv = hv = newHV (); 1797 coro->hv = hv = newHV ();
1555 sv_magicext ((SV *)hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char *)coro, 0)->mg_flags |= MGf_DUP; 1798 mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0);
1799 mg->mg_flags |= MGf_DUP;
1556 RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1)); 1800 RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1557 1801
1558 av_extend (coro->args, items - 1); 1802 av_extend (coro->args, items - 1);
1559 for (i = 1; i < items; i++) 1803 for (i = 1; i < items; i++)
1560 av_push (coro->args, newSVsv (ST (i))); 1804 av_push (coro->args, newSVsv (ST (i)));
… …
1574 Coro::cede_notself = 4 1818 Coro::cede_notself = 4
1575 CODE: 1819 CODE:
1576{ 1820{
1577 struct transfer_args ta; 1821 struct transfer_args ta;
1578 1822
1823 PUTBACK;
1579 switch (ix) 1824 switch (ix)
1580 { 1825 {
1581 case 0: 1826 case 0:
1582 ta.prev = (struct coro *)INT2PTR (coro_cctx *, SvIV (ST (0))); 1827 ta.prev = (struct coro *)INT2PTR (coro_cctx *, SvIV (ST (0)));
1583 ta.next = 0; 1828 ta.next = 0;
… …
1602 if (!prepare_cede_notself (aTHX_ &ta)) 1847 if (!prepare_cede_notself (aTHX_ &ta))
1603 XSRETURN_EMPTY; 1848 XSRETURN_EMPTY;
1604 1849
1605 break; 1850 break;
1606 } 1851 }
1852 SPAGAIN;
1607 1853
1608 BARRIER; 1854 BARRIER;
1609 PUTBACK; 1855 PUTBACK;
1610 TRANSFER (ta); 1856 TRANSFER (ta, 0);
1611 SPAGAIN; /* might be the sp of a different coroutine now */ 1857 SPAGAIN; /* might be the sp of a different coroutine now */
1612 /* be extra careful not to ever do anything after TRANSFER */ 1858 /* be extra careful not to ever do anything after TRANSFER */
1613} 1859}
1614 1860
1615bool 1861bool
… …
1618 RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv)); 1864 RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));
1619 OUTPUT: 1865 OUTPUT:
1620 RETVAL 1866 RETVAL
1621 1867
1622void 1868void
1623_exit (code) 1869_exit (int code)
1624 int code
1625 PROTOTYPE: $ 1870 PROTOTYPE: $
1626 CODE: 1871 CODE:
1627 _exit (code); 1872 _exit (code);
1628 1873
1629int 1874int
… …
1663call (Coro::State coro, SV *coderef) 1908call (Coro::State coro, SV *coderef)
1664 ALIAS: 1909 ALIAS:
1665 eval = 1 1910 eval = 1
1666 CODE: 1911 CODE:
1667{ 1912{
1668 if (coro->mainstack) 1913 if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot))
1669 { 1914 {
1670 struct coro temp; 1915 struct coro temp;
1671 1916
1672 if (!(coro->flags & CF_RUNNING)) 1917 if (!(coro->flags & CF_RUNNING))
1673 { 1918 {
1919 PUTBACK;
1674 save_perl (aTHX_ &temp); 1920 save_perl (aTHX_ &temp);
1675 load_perl (aTHX_ coro); 1921 load_perl (aTHX_ coro);
1676 } 1922 }
1677 1923
1678 { 1924 {
… …
1697 1943
1698 if (!(coro->flags & CF_RUNNING)) 1944 if (!(coro->flags & CF_RUNNING))
1699 { 1945 {
1700 save_perl (aTHX_ coro); 1946 save_perl (aTHX_ coro);
1701 load_perl (aTHX_ &temp); 1947 load_perl (aTHX_ &temp);
1948 SPAGAIN;
1702 } 1949 }
1703 } 1950 }
1704} 1951}
1705 1952
1706SV * 1953SV *
… …
1718 1965
1719void 1966void
1720api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) 1967api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB)
1721 1968
1722SV * 1969SV *
1723has_stack (Coro::State coro) 1970has_cctx (Coro::State coro)
1724 PROTOTYPE: $ 1971 PROTOTYPE: $
1725 CODE: 1972 CODE:
1726 RETVAL = boolSV (!!coro->cctx); 1973 RETVAL = boolSV (!!coro->cctx);
1727 OUTPUT: 1974 OUTPUT:
1728 RETVAL 1975 RETVAL
… …
1747 case 1: RETVAL = coro->usecount; break; 1994 case 1: RETVAL = coro->usecount; break;
1748 } 1995 }
1749 OUTPUT: 1996 OUTPUT:
1750 RETVAL 1997 RETVAL
1751 1998
1999void
2000force_cctx ()
2001 CODE:
2002 struct coro *coro = SvSTATE (coro_current);
2003 coro->cctx->idle_sp = 0;
2004
2005void
2006throw (Coro::State self, SV *throw = &PL_sv_undef)
2007 PROTOTYPE: $;$
2008 CODE:
2009 SvREFCNT_dec (self->throw);
2010 self->throw = SvOK (throw) ? newSVsv (throw) : 0;
2011
2012void
2013swap_defsv (Coro::State self)
2014 PROTOTYPE: $
2015 ALIAS:
2016 swap_defav = 1
2017 CODE:
2018 if (!self->slot)
2019 croak ("cannot swap state with coroutine that has no saved state");
2020 else
2021 {
2022 SV **src = ix ? (SV **)&GvAV (PL_defgv) : &GvSV (PL_defgv);
2023 SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv;
2024
2025 SV *tmp = *src; *src = *dst; *dst = tmp;
2026 }
1752 2027
1753MODULE = Coro::State PACKAGE = Coro 2028MODULE = Coro::State PACKAGE = Coro
1754 2029
1755BOOT: 2030BOOT:
1756{ 2031{
1757 int i; 2032 int i;
1758 2033
1759 sv_pool_rss = coro_get_sv ("Coro::POOL_RSS" , TRUE);
1760 sv_pool_size = coro_get_sv ("Coro::POOL_SIZE" , TRUE);
1761 av_async_pool = coro_get_av ("Coro::async_pool", TRUE); 2034 av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
2035 sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
2036 sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
1762 2037
1763 coro_current = coro_get_sv ("Coro::current", FALSE); 2038 coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);
1764 SvREADONLY_on (coro_current); 2039 SvREADONLY_on (coro_current);
1765 2040
1766 coro_stash = gv_stashpv ("Coro", TRUE); 2041 coro_stash = gv_stashpv ("Coro", TRUE);
1767 2042
1768 newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); 2043 newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
… …
1798 PROTOTYPE: $ 2073 PROTOTYPE: $
1799 CODE: 2074 CODE:
1800 SvREFCNT_dec (SvRV (coro_current)); 2075 SvREFCNT_dec (SvRV (coro_current));
1801 SvRV_set (coro_current, SvREFCNT_inc (SvRV (current))); 2076 SvRV_set (coro_current, SvREFCNT_inc (SvRV (current)));
1802 2077
2078void
2079_set_readyhook (SV *hook)
2080 PROTOTYPE: $
2081 CODE:
2082 LOCK;
2083 SvREFCNT_dec (coro_readyhook);
2084 coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;
2085 UNLOCK;
2086
1803int 2087int
1804prio (Coro::State coro, int newprio = 0) 2088prio (Coro::State coro, int newprio = 0)
1805 ALIAS: 2089 ALIAS:
1806 nice = 1 2090 nice = 1
1807 CODE: 2091 CODE:
… …
1836 CODE: 2120 CODE:
1837 RETVAL = coro_nready; 2121 RETVAL = coro_nready;
1838 OUTPUT: 2122 OUTPUT:
1839 RETVAL 2123 RETVAL
1840 2124
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 2125# for async_pool speedup
1849void 2126void
1850_pool_1 (SV *cb) 2127_pool_1 (SV *cb)
1851 CODE: 2128 CODE:
1852{ 2129{
… …
1856 SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0); 2133 SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
1857 AV *invoke_av; 2134 AV *invoke_av;
1858 int i, len; 2135 int i, len;
1859 2136
1860 if (!invoke) 2137 if (!invoke)
2138 {
2139 SV *old = PL_diehook;
2140 PL_diehook = 0;
2141 SvREFCNT_dec (old);
1861 croak ("\3async_pool terminate\2\n"); 2142 croak ("\3async_pool terminate\2\n");
2143 }
1862 2144
1863 SvREFCNT_dec (coro->saved_deffh); 2145 SvREFCNT_dec (coro->saved_deffh);
1864 coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv); 2146 coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);
1865 2147
1866 hv_store (hv, "desc", sizeof ("desc") - 1, 2148 hv_store (hv, "desc", sizeof ("desc") - 1,
… …
1892 SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh; 2174 SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh;
1893 coro->saved_deffh = 0; 2175 coro->saved_deffh = 0;
1894 2176
1895 if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss) 2177 if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1896 || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size)) 2178 || av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
2179 {
2180 SV *old = PL_diehook;
2181 PL_diehook = 0;
2182 SvREFCNT_dec (old);
1897 croak ("\3async_pool terminate\2\n"); 2183 croak ("\3async_pool terminate\2\n");
2184 }
1898 2185
1899 av_clear (GvAV (PL_defgv)); 2186 av_clear (GvAV (PL_defgv));
1900 hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1, 2187 hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
1901 newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0); 2188 newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
1902 2189
… …
1905 if (coro->cctx && (coro->cctx->flags & CC_TRACE)) 2192 if (coro->cctx && (coro->cctx->flags & CC_TRACE))
1906 api_trace (coro_current, 0); 2193 api_trace (coro_current, 0);
1907 2194
1908 av_push (av_async_pool, newSVsv (coro_current)); 2195 av_push (av_async_pool, newSVsv (coro_current));
1909} 2196}
2197
2198#if 0
2199
2200void
2201_generator_call (...)
2202 PROTOTYPE: @
2203 PPCODE:
2204 fprintf (stderr, "call %p\n", CvXSUBANY(cv).any_ptr);
2205 xxxx
2206 abort ();
2207
2208SV *
2209gensub (SV *sub, ...)
2210 PROTOTYPE: &;@
2211 CODE:
2212{
2213 struct coro *coro;
2214 MAGIC *mg;
2215 CV *xcv;
2216 CV *ncv = (CV *)newSV_type (SVt_PVCV);
2217 int i;
2218
2219 CvGV (ncv) = CvGV (cv);
2220 CvFILE (ncv) = CvFILE (cv);
2221
2222 Newz (0, coro, 1, struct coro);
2223 coro->args = newAV ();
2224 coro->flags = CF_NEW;
2225
2226 av_extend (coro->args, items - 1);
2227 for (i = 1; i < items; i++)
2228 av_push (coro->args, newSVsv (ST (i)));
2229
2230 CvISXSUB_on (ncv);
2231 CvXSUBANY (ncv).any_ptr = (void *)coro;
2232
2233 xcv = GvCV (gv_fetchpv ("Coro::_generator_call", 0, SVt_PVCV));
2234
2235 CvXSUB (ncv) = CvXSUB (xcv);
2236 CvANON_on (ncv);
2237
2238 mg = sv_magicext ((SV *)ncv, 0, CORO_MAGIC_type_state, &coro_gensub_vtbl, (char *)coro, 0);
2239 RETVAL = newRV_noinc ((SV *)ncv);
2240}
2241 OUTPUT:
2242 RETVAL
2243
2244#endif
1910 2245
1911 2246
1912MODULE = Coro::State PACKAGE = Coro::AIO 2247MODULE = Coro::State PACKAGE = Coro::AIO
1913 2248
1914SV * 2249SV *
… …
1941 PL_laststype = data->laststype; 2276 PL_laststype = data->laststype;
1942 PL_laststatval = data->laststatval; 2277 PL_laststatval = data->laststatval;
1943 PL_statcache = data->statcache; 2278 PL_statcache = data->statcache;
1944} 2279}
1945 2280
2281
2282MODULE = Coro::State PACKAGE = Coro::AnyEvent
2283
2284BOOT:
2285 sv_activity = coro_get_sv (aTHX_ "Coro::AnyEvent::ACTIVITY", TRUE);
2286
2287SV *
2288_schedule (...)
2289 PROTOTYPE: @
2290 CODE:
2291{
2292 static int incede;
2293
2294 api_cede_notself ();
2295
2296 ++incede;
2297 while (coro_nready >= incede && api_cede ())
2298 ;
2299
2300 sv_setsv (sv_activity, &PL_sv_undef);
2301 if (coro_nready >= incede)
2302 {
2303 PUSHMARK (SP);
2304 PUTBACK;
2305 call_pv ("Coro::AnyEvent::_activity", G_DISCARD | G_EVAL);
2306 SPAGAIN;
2307 }
2308
2309 --incede;
2310}
2311
2312
2313MODULE = Coro::State PACKAGE = PerlIO::cede
2314
2315BOOT:
2316 PerlIO_define_layer (aTHX_ &PerlIO_cede);

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