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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.325 by root, Sun Nov 23 06:48:45 2008 UTC vs.
Revision 1.354 by root, Tue Jun 23 00:56:14 2009 UTC

… …
133#else 133#else
134# define dSTACKLEVEL volatile void *stacklevel 134# define dSTACKLEVEL volatile void *stacklevel
135# define STACKLEVEL ((void *)&stacklevel) 135# define STACKLEVEL ((void *)&stacklevel)
136#endif 136#endif
137 137
138#define IN_DESTRUCT (PL_main_cv == Nullcv) 138#define IN_DESTRUCT PL_dirty
139 139
140#if __GNUC__ >= 3 140#if __GNUC__ >= 3
141# define attribute(x) __attribute__(x) 141# define attribute(x) __attribute__(x)
142# define expect(expr,value) __builtin_expect ((expr),(value)) 142# define expect(expr,value) __builtin_expect ((expr), (value))
143# define INLINE static inline 143# define INLINE static inline
144#else 144#else
145# define attribute(x) 145# define attribute(x)
146# define expect(expr,value) (expr) 146# define expect(expr,value) (expr)
147# define INLINE static 147# define INLINE static
… …
175static HV *coro_state_stash, *coro_stash; 175static HV *coro_state_stash, *coro_stash;
176static volatile SV *coro_mortal; /* will be freed/thrown after next transfer */ 176static volatile SV *coro_mortal; /* will be freed/thrown after next transfer */
177 177
178static AV *av_destroy; /* destruction queue */ 178static AV *av_destroy; /* destruction queue */
179static SV *sv_manager; /* the manager coro */ 179static SV *sv_manager; /* the manager coro */
180static SV *sv_idle; /* $Coro::idle */
180 181
181static GV *irsgv; /* $/ */ 182static GV *irsgv; /* $/ */
182static GV *stdoutgv; /* *STDOUT */ 183static GV *stdoutgv; /* *STDOUT */
183static SV *rv_diehook; 184static SV *rv_diehook;
184static SV *rv_warnhook; 185static SV *rv_warnhook;
… …
237enum { 238enum {
238 CF_RUNNING = 0x0001, /* coroutine is running */ 239 CF_RUNNING = 0x0001, /* coroutine is running */
239 CF_READY = 0x0002, /* coroutine is ready */ 240 CF_READY = 0x0002, /* coroutine is ready */
240 CF_NEW = 0x0004, /* has never been switched to */ 241 CF_NEW = 0x0004, /* has never been switched to */
241 CF_DESTROYED = 0x0008, /* coroutine data has been freed */ 242 CF_DESTROYED = 0x0008, /* coroutine data has been freed */
243 CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */
242}; 244};
243 245
244/* the structure where most of the perl state is stored, overlaid on the cxstack */ 246/* the structure where most of the perl state is stored, overlaid on the cxstack */
245typedef struct 247typedef struct
246{ 248{
247 SV *defsv; 249 SV *defsv;
248 AV *defav; 250 AV *defav;
249 SV *errsv; 251 SV *errsv;
250 SV *irsgv; 252 SV *irsgv;
253 HV *hinthv;
251#define VAR(name,type) type name; 254#define VAR(name,type) type name;
252# include "state.h" 255# include "state.h"
253#undef VAR 256#undef VAR
254} perl_slots; 257} perl_slots;
255 258
… …
257 260
258/* this is a structure representing a perl-level coroutine */ 261/* this is a structure representing a perl-level coroutine */
259struct coro { 262struct coro {
260 /* the C coroutine allocated to this perl coroutine, if any */ 263 /* the C coroutine allocated to this perl coroutine, if any */
261 coro_cctx *cctx; 264 coro_cctx *cctx;
265
266 /* ready queue */
267 struct coro *next_ready;
262 268
263 /* state data */ 269 /* state data */
264 struct CoroSLF slf_frame; /* saved slf frame */ 270 struct CoroSLF slf_frame; /* saved slf frame */
265 AV *mainstack; 271 AV *mainstack;
266 perl_slots *slot; /* basically the saved sp */ 272 perl_slots *slot; /* basically the saved sp */
… …
283 /* async_pool */ 289 /* async_pool */
284 SV *saved_deffh; 290 SV *saved_deffh;
285 SV *invoke_cb; 291 SV *invoke_cb;
286 AV *invoke_av; 292 AV *invoke_av;
287 293
294 /* on_enter/on_leave */
295 AV *on_enter;
296 AV *on_leave;
297
288 /* linked list */ 298 /* linked list */
289 struct coro *next, *prev; 299 struct coro *next, *prev;
290}; 300};
291 301
292typedef struct coro *Coro__State; 302typedef struct coro *Coro__State;
… …
307#define PRIO_MIN -4 317#define PRIO_MIN -4
308 318
309/* for Coro.pm */ 319/* for Coro.pm */
310static SV *coro_current; 320static SV *coro_current;
311static SV *coro_readyhook; 321static SV *coro_readyhook;
312static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1]; 322static struct coro *coro_ready [PRIO_MAX - PRIO_MIN + 1][2]; /* head|tail */
313static CV *cv_coro_run, *cv_coro_terminate; 323static CV *cv_coro_run, *cv_coro_terminate;
314static struct coro *coro_first; 324static struct coro *coro_first;
315#define coro_nready coroapi.nready 325#define coro_nready coroapi.nready
316 326
317/** lowlevel stuff **********************************************************/ 327/** lowlevel stuff **********************************************************/
… …
350INLINE CV * 360INLINE CV *
351coro_sv_2cv (pTHX_ SV *sv) 361coro_sv_2cv (pTHX_ SV *sv)
352{ 362{
353 HV *st; 363 HV *st;
354 GV *gvp; 364 GV *gvp;
355 return sv_2cv (sv, &st, &gvp, 0); 365 CV *cv = sv_2cv (sv, &st, &gvp, 0);
366
367 if (!cv)
368 croak ("code reference expected");
369
370 return cv;
356} 371}
372
373/*****************************************************************************/
374/* magic glue */
375
376#define CORO_MAGIC_type_cv 26
377#define CORO_MAGIC_type_state PERL_MAGIC_ext
378
379#define CORO_MAGIC_NN(sv, type) \
380 (expect_true (SvMAGIC (sv)->mg_type == type) \
381 ? SvMAGIC (sv) \
382 : mg_find (sv, type))
383
384#define CORO_MAGIC(sv, type) \
385 (expect_true (SvMAGIC (sv)) \
386 ? CORO_MAGIC_NN (sv, type) \
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_NN (((SV *)(sv)), CORO_MAGIC_type_state)
391
392INLINE struct coro *
393SvSTATE_ (pTHX_ SV *coro)
394{
395 HV *stash;
396 MAGIC *mg;
397
398 if (SvROK (coro))
399 coro = SvRV (coro);
400
401 if (expect_false (SvTYPE (coro) != SVt_PVHV))
402 croak ("Coro::State object required");
403
404 stash = SvSTASH (coro);
405 if (expect_false (stash != coro_stash && stash != coro_state_stash))
406 {
407 /* very slow, but rare, check */
408 if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
409 croak ("Coro::State object required");
410 }
411
412 mg = CORO_MAGIC_state (coro);
413 return (struct coro *)mg->mg_ptr;
414}
415
416#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
417
418/* faster than SvSTATE, but expects a coroutine hv */
419#define SvSTATE_hv(hv) ((struct coro *)CORO_MAGIC_NN ((SV *)hv, CORO_MAGIC_type_state)->mg_ptr)
420#define SvSTATE_current SvSTATE_hv (SvRV (coro_current))
421
422/*****************************************************************************/
423/* padlist management and caching */
357 424
358static AV * 425static AV *
359coro_derive_padlist (pTHX_ CV *cv) 426coro_derive_padlist (pTHX_ CV *cv)
360{ 427{
361 AV *padlist = CvPADLIST (cv); 428 AV *padlist = CvPADLIST (cv);
… …
369 Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); 436 Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
370#endif 437#endif
371 newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; 438 newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
372 --AvFILLp (padlist); 439 --AvFILLp (padlist);
373 440
374 av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE))); 441 av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0]));
375 av_store (newpadlist, 1, (SV *)newpad); 442 av_store (newpadlist, 1, (SV *)newpad);
376 443
377 return newpadlist; 444 return newpadlist;
378} 445}
379 446
380static void 447static void
381free_padlist (pTHX_ AV *padlist) 448free_padlist (pTHX_ AV *padlist)
382{ 449{
383 /* may be during global destruction */ 450 /* may be during global destruction */
384 if (SvREFCNT (padlist)) 451 if (!IN_DESTRUCT)
385 { 452 {
386 I32 i = AvFILLp (padlist); 453 I32 i = AvFILLp (padlist);
387 while (i >= 0) 454
455 while (i > 0) /* special-case index 0 */
388 { 456 {
389 SV **svp = av_fetch (padlist, i--, FALSE); 457 /* we try to be extra-careful here */
390 if (svp) 458 AV *av = (AV *)AvARRAY (padlist)[i--];
391 { 459 I32 j = AvFILLp (av);
392 SV *sv; 460
393 while (&PL_sv_undef != (sv = av_pop ((AV *)*svp))) 461 while (j >= 0)
462 SvREFCNT_dec (AvARRAY (av)[j--]);
463
464 AvFILLp (av) = -1;
394 SvREFCNT_dec (sv); 465 SvREFCNT_dec (av);
395
396 SvREFCNT_dec (*svp);
397 }
398 } 466 }
399 467
468 SvREFCNT_dec (AvARRAY (padlist)[0]);
469
470 AvFILLp (padlist) = -1;
400 SvREFCNT_dec ((SV*)padlist); 471 SvREFCNT_dec ((SV*)padlist);
401 } 472 }
402} 473}
403 474
404static int 475static int
… …
413 484
414 SvREFCNT_dec (av); /* sv_magicext increased the refcount */ 485 SvREFCNT_dec (av); /* sv_magicext increased the refcount */
415 486
416 return 0; 487 return 0;
417} 488}
418
419#define CORO_MAGIC_type_cv 26
420#define CORO_MAGIC_type_state PERL_MAGIC_ext
421 489
422static MGVTBL coro_cv_vtbl = { 490static MGVTBL coro_cv_vtbl = {
423 0, 0, 0, 0, 491 0, 0, 0, 0,
424 coro_cv_free 492 coro_cv_free
425}; 493};
426
427#define CORO_MAGIC_NN(sv, type) \
428 (expect_true (SvMAGIC (sv)->mg_type == type) \
429 ? SvMAGIC (sv) \
430 : mg_find (sv, type))
431
432#define CORO_MAGIC(sv, type) \
433 (expect_true (SvMAGIC (sv)) \
434 ? CORO_MAGIC_NN (sv, type) \
435 : 0)
436
437#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
438#define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state)
439
440INLINE struct coro *
441SvSTATE_ (pTHX_ SV *coro)
442{
443 HV *stash;
444 MAGIC *mg;
445
446 if (SvROK (coro))
447 coro = SvRV (coro);
448
449 if (expect_false (SvTYPE (coro) != SVt_PVHV))
450 croak ("Coro::State object required");
451
452 stash = SvSTASH (coro);
453 if (expect_false (stash != coro_stash && stash != coro_state_stash))
454 {
455 /* very slow, but rare, check */
456 if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
457 croak ("Coro::State object required");
458 }
459
460 mg = CORO_MAGIC_state (coro);
461 return (struct coro *)mg->mg_ptr;
462}
463
464#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
465
466/* faster than SvSTATE, but expects a coroutine hv */
467#define SvSTATE_hv(hv) ((struct coro *)CORO_MAGIC_NN ((SV *)hv, CORO_MAGIC_type_state)->mg_ptr)
468#define SvSTATE_current SvSTATE_hv (SvRV (coro_current))
469 494
470/* the next two functions merely cache the padlists */ 495/* the next two functions merely cache the padlists */
471static void 496static void
472get_padlist (pTHX_ CV *cv) 497get_padlist (pTHX_ CV *cv)
473{ 498{
… …
501 mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0); 526 mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);
502 527
503 av = (AV *)mg->mg_obj; 528 av = (AV *)mg->mg_obj;
504 529
505 if (expect_false (AvFILLp (av) >= AvMAX (av))) 530 if (expect_false (AvFILLp (av) >= AvMAX (av)))
506 av_extend (av, AvMAX (av) + 1); 531 av_extend (av, AvFILLp (av) + 1);
507 532
508 AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); 533 AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
509} 534}
510 535
511/** load & save, init *******************************************************/ 536/** load & save, init *******************************************************/
537
538static void
539on_enterleave_call (pTHX_ SV *cb);
512 540
513static void 541static void
514load_perl (pTHX_ Coro__State c) 542load_perl (pTHX_ Coro__State c)
515{ 543{
516 perl_slots *slot = c->slot; 544 perl_slots *slot = c->slot;
517 c->slot = 0; 545 c->slot = 0;
518 546
519 PL_mainstack = c->mainstack; 547 PL_mainstack = c->mainstack;
520 548
521 GvSV (PL_defgv) = slot->defsv; 549 GvSV (PL_defgv) = slot->defsv;
522 GvAV (PL_defgv) = slot->defav; 550 GvAV (PL_defgv) = slot->defav;
523 GvSV (PL_errgv) = slot->errsv; 551 GvSV (PL_errgv) = slot->errsv;
524 GvSV (irsgv) = slot->irsgv; 552 GvSV (irsgv) = slot->irsgv;
553 GvHV (PL_hintgv) = slot->hinthv;
525 554
526 #define VAR(name,type) PL_ ## name = slot->name; 555 #define VAR(name,type) PL_ ## name = slot->name;
527 # include "state.h" 556 # include "state.h"
528 #undef VAR 557 #undef VAR
529 558
… …
543 PUTBACK; 572 PUTBACK;
544 } 573 }
545 574
546 slf_frame = c->slf_frame; 575 slf_frame = c->slf_frame;
547 CORO_THROW = c->except; 576 CORO_THROW = c->except;
577
578 if (expect_false (c->on_enter))
579 {
580 int i;
581
582 for (i = 0; i <= AvFILLp (c->on_enter); ++i)
583 on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]);
584 }
548} 585}
549 586
550static void 587static void
551save_perl (pTHX_ Coro__State c) 588save_perl (pTHX_ Coro__State c)
552{ 589{
590 if (expect_false (c->on_leave))
591 {
592 int i;
593
594 for (i = AvFILLp (c->on_leave); i >= 0; --i)
595 on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]);
596 }
597
553 c->except = CORO_THROW; 598 c->except = CORO_THROW;
554 c->slf_frame = slf_frame; 599 c->slf_frame = slf_frame;
555 600
556 { 601 {
557 dSP; 602 dSP;
… …
570 { 615 {
571 while (expect_true (cxix >= 0)) 616 while (expect_true (cxix >= 0))
572 { 617 {
573 PERL_CONTEXT *cx = &ccstk[cxix--]; 618 PERL_CONTEXT *cx = &ccstk[cxix--];
574 619
575 if (expect_true (CxTYPE (cx) == CXt_SUB || CxTYPE (cx) == CXt_FORMAT)) 620 if (expect_true (CxTYPE (cx) == CXt_SUB) || expect_false (CxTYPE (cx) == CXt_FORMAT))
576 { 621 {
577 CV *cv = cx->blk_sub.cv; 622 CV *cv = cx->blk_sub.cv;
578 623
579 if (expect_true (CvDEPTH (cv))) 624 if (expect_true (CvDEPTH (cv)))
580 { 625 {
… …
615 c->mainstack = PL_mainstack; 660 c->mainstack = PL_mainstack;
616 661
617 { 662 {
618 perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); 663 perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1);
619 664
620 slot->defav = GvAV (PL_defgv); 665 slot->defav = GvAV (PL_defgv);
621 slot->defsv = DEFSV; 666 slot->defsv = DEFSV;
622 slot->errsv = ERRSV; 667 slot->errsv = ERRSV;
623 slot->irsgv = GvSV (irsgv); 668 slot->irsgv = GvSV (irsgv);
669 slot->hinthv = GvHV (PL_hintgv);
624 670
625 #define VAR(name,type) slot->name = PL_ ## name; 671 #define VAR(name,type) slot->name = PL_ ## name;
626 # include "state.h" 672 # include "state.h"
627 #undef VAR 673 #undef VAR
628 } 674 }
… …
755#endif 801#endif
756 802
757/* 803/*
758 * This overrides the default magic get method of %SIG elements. 804 * This overrides the default magic get method of %SIG elements.
759 * The original one doesn't provide for reading back of PL_diehook/PL_warnhook 805 * The original one doesn't provide for reading back of PL_diehook/PL_warnhook
760 * and instead of tryign to save and restore the hash elements, we just provide 806 * and instead of trying to save and restore the hash elements, we just provide
761 * readback here. 807 * readback here.
762 * We only do this when the hook is != 0, as they are often set to 0 temporarily,
763 * not expecting this to actually change the hook. This is a potential problem
764 * when a schedule happens then, but we ignore this.
765 */ 808 */
766static int 809static int
767coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) 810coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg)
768{ 811{
769 const char *s = MgPV_nolen_const (mg); 812 const char *s = MgPV_nolen_const (mg);
… …
822 if (strEQ (s, "__WARN__")) svp = &PL_warnhook; 865 if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
823 866
824 if (svp) 867 if (svp)
825 { 868 {
826 SV *old = *svp; 869 SV *old = *svp;
827 *svp = newSVsv (sv); 870 *svp = SvOK (sv) ? newSVsv (sv) : 0;
828 SvREFCNT_dec (old); 871 SvREFCNT_dec (old);
829 return 0; 872 return 0;
830 } 873 }
831 } 874 }
832 875
… …
864 907
865 PL_runops = RUNOPS_DEFAULT; 908 PL_runops = RUNOPS_DEFAULT;
866 PL_curcop = &PL_compiling; 909 PL_curcop = &PL_compiling;
867 PL_in_eval = EVAL_NULL; 910 PL_in_eval = EVAL_NULL;
868 PL_comppad = 0; 911 PL_comppad = 0;
912 PL_comppad_name = 0;
913 PL_comppad_name_fill = 0;
914 PL_comppad_name_floor = 0;
869 PL_curpm = 0; 915 PL_curpm = 0;
870 PL_curpad = 0; 916 PL_curpad = 0;
871 PL_localizing = 0; 917 PL_localizing = 0;
872 PL_dirty = 0; 918 PL_dirty = 0;
873 PL_restartop = 0; 919 PL_restartop = 0;
874#if PERL_VERSION_ATLEAST (5,10,0) 920#if PERL_VERSION_ATLEAST (5,10,0)
875 PL_parser = 0; 921 PL_parser = 0;
876#endif 922#endif
923 PL_hints = 0;
877 924
878 /* recreate the die/warn hooks */ 925 /* recreate the die/warn hooks */
879 PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook ); 926 PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook );
880 PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook); 927 PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook);
881 928
882 GvSV (PL_defgv) = newSV (0); 929 GvSV (PL_defgv) = newSV (0);
883 GvAV (PL_defgv) = coro->args; coro->args = 0; 930 GvAV (PL_defgv) = coro->args; coro->args = 0;
884 GvSV (PL_errgv) = newSV (0); 931 GvSV (PL_errgv) = newSV (0);
885 GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0); 932 GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
933 GvHV (PL_hintgv) = 0;
886 PL_rs = newSVsv (GvSV (irsgv)); 934 PL_rs = newSVsv (GvSV (irsgv));
887 PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); 935 PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);
888 936
889 { 937 {
890 dSP; 938 dSP;
… …
919 /* copy throw, in case it was set before coro_setup */ 967 /* copy throw, in case it was set before coro_setup */
920 CORO_THROW = coro->except; 968 CORO_THROW = coro->except;
921} 969}
922 970
923static void 971static void
924coro_destruct (pTHX_ struct coro *coro) 972coro_unwind_stacks (pTHX)
925{ 973{
926 if (!IN_DESTRUCT) 974 if (!IN_DESTRUCT)
927 { 975 {
928 /* restore all saved variables and stuff */ 976 /* restore all saved variables and stuff */
929 LEAVE_SCOPE (0); 977 LEAVE_SCOPE (0);
… …
937 POPSTACK_TO (PL_mainstack); 985 POPSTACK_TO (PL_mainstack);
938 986
939 /* unwind main stack */ 987 /* unwind main stack */
940 dounwind (-1); 988 dounwind (-1);
941 } 989 }
990}
942 991
943 SvREFCNT_dec (GvSV (PL_defgv)); 992static void
944 SvREFCNT_dec (GvAV (PL_defgv)); 993coro_destruct_perl (pTHX_ struct coro *coro)
945 SvREFCNT_dec (GvSV (PL_errgv)); 994{
946 SvREFCNT_dec (PL_defoutgv); 995 SV *svf [9];
947 SvREFCNT_dec (PL_rs);
948 SvREFCNT_dec (GvSV (irsgv));
949 996
950 SvREFCNT_dec (PL_diehook);
951 SvREFCNT_dec (PL_warnhook);
952 997 {
998 struct coro *current = SvSTATE_current;
999
1000 assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack));
1001
1002 save_perl (aTHX_ current);
1003 load_perl (aTHX_ coro);
1004
1005 coro_unwind_stacks (aTHX);
1006 coro_destruct_stacks (aTHX);
1007
1008 // now save some sv's to be free'd later
1009 svf [0] = GvSV (PL_defgv);
1010 svf [1] = (SV *)GvAV (PL_defgv);
1011 svf [2] = GvSV (PL_errgv);
1012 svf [3] = (SV *)PL_defoutgv;
1013 svf [4] = PL_rs;
1014 svf [5] = GvSV (irsgv);
1015 svf [6] = (SV *)GvHV (PL_hintgv);
1016 svf [7] = PL_diehook;
1017 svf [8] = PL_warnhook;
1018 assert (9 == sizeof (svf) / sizeof (*svf));
1019
1020 load_perl (aTHX_ current);
1021 }
1022
1023 {
1024 int i;
1025
1026 for (i = 0; i < sizeof (svf) / sizeof (*svf); ++i)
1027 SvREFCNT_dec (svf [i]);
1028
953 SvREFCNT_dec (coro->saved_deffh); 1029 SvREFCNT_dec (coro->saved_deffh);
954 SvREFCNT_dec (coro->rouse_cb); 1030 SvREFCNT_dec (coro->rouse_cb);
955 SvREFCNT_dec (coro->invoke_cb); 1031 SvREFCNT_dec (coro->invoke_cb);
956 SvREFCNT_dec (coro->invoke_av); 1032 SvREFCNT_dec (coro->invoke_av);
957 1033 }
958 coro_destruct_stacks (aTHX);
959} 1034}
960 1035
961INLINE void 1036INLINE void
962free_coro_mortal (pTHX) 1037free_coro_mortal (pTHX)
963{ 1038{
… …
1168 /* 1243 /*
1169 * If perl-run returns we assume exit() was being called or the coro 1244 * If perl-run returns we assume exit() was being called or the coro
1170 * fell off the end, which seems to be the only valid (non-bug) 1245 * fell off the end, which seems to be the only valid (non-bug)
1171 * reason for perl_run to return. We try to exit by jumping to the 1246 * reason for perl_run to return. We try to exit by jumping to the
1172 * bootstrap-time "top" top_env, as we cannot restore the "main" 1247 * bootstrap-time "top" top_env, as we cannot restore the "main"
1173 * coroutine as Coro has no such concept 1248 * coroutine as Coro has no such concept.
1249 * This actually isn't valid with the pthread backend, but OSes requiring
1250 * that backend are too broken to do it in a standards-compliant way.
1174 */ 1251 */
1175 PL_top_env = main_top_env; 1252 PL_top_env = main_top_env;
1176 JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ 1253 JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */
1177 } 1254 }
1178} 1255}
… …
1255cctx_destroy (coro_cctx *cctx) 1332cctx_destroy (coro_cctx *cctx)
1256{ 1333{
1257 if (!cctx) 1334 if (!cctx)
1258 return; 1335 return;
1259 1336
1260 assert (cctx != cctx_current);//D temporary 1337 assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));//D temporary?
1261 1338
1262 --cctx_count; 1339 --cctx_count;
1263 coro_destroy (&cctx->cctx); 1340 coro_destroy (&cctx->cctx);
1264 1341
1265 /* coro_transfer creates new, empty cctx's */ 1342 /* coro_transfer creates new, empty cctx's */
… …
1329 /* TODO: throwing up here is considered harmful */ 1406 /* TODO: throwing up here is considered harmful */
1330 1407
1331 if (expect_true (prev != next)) 1408 if (expect_true (prev != next))
1332 { 1409 {
1333 if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) 1410 if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW))))
1334 croak ("Coro::State::transfer called with a suspended prev Coro::State, but can only transfer from running or new states,"); 1411 croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,");
1335 1412
1336 if (expect_false (next->flags & CF_RUNNING))
1337 croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states,");
1338
1339 if (expect_false (next->flags & CF_DESTROYED)) 1413 if (expect_false (next->flags & (CF_RUNNING | CF_DESTROYED | CF_SUSPENDED)))
1340 croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states,"); 1414 croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,");
1341 1415
1342#if !PERL_VERSION_ATLEAST (5,10,0) 1416#if !PERL_VERSION_ATLEAST (5,10,0)
1343 if (expect_false (PL_lex_state != LEX_NOTPARSING)) 1417 if (expect_false (PL_lex_state != LEX_NOTPARSING))
1344 croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); 1418 croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,");
1345#endif 1419#endif
… …
1383 coro_setup (aTHX_ next); 1457 coro_setup (aTHX_ next);
1384 } 1458 }
1385 else 1459 else
1386 load_perl (aTHX_ next); 1460 load_perl (aTHX_ next);
1387 1461
1388 assert (!prev->cctx);//D temporary
1389
1390 /* possibly untie and reuse the cctx */ 1462 /* possibly untie and reuse the cctx */
1391 if (expect_true ( 1463 if (expect_true (
1392 cctx_current->idle_sp == STACKLEVEL 1464 cctx_current->idle_sp == STACKLEVEL
1393 && !(cctx_current->flags & CC_TRACE) 1465 && !(cctx_current->flags & CC_TRACE)
1394 && !force_cctx 1466 && !force_cctx
… …
1435coro_state_destroy (pTHX_ struct coro *coro) 1507coro_state_destroy (pTHX_ struct coro *coro)
1436{ 1508{
1437 if (coro->flags & CF_DESTROYED) 1509 if (coro->flags & CF_DESTROYED)
1438 return 0; 1510 return 0;
1439 1511
1440 if (coro->on_destroy) 1512 if (coro->on_destroy && !PL_dirty)
1441 coro->on_destroy (aTHX_ coro); 1513 coro->on_destroy (aTHX_ coro);
1442 1514
1443 coro->flags |= CF_DESTROYED; 1515 coro->flags |= CF_DESTROYED;
1444 1516
1445 if (coro->flags & CF_READY) 1517 if (coro->flags & CF_READY)
… …
1449 --coro_nready; 1521 --coro_nready;
1450 } 1522 }
1451 else 1523 else
1452 coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ 1524 coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */
1453 1525
1454 if (coro->mainstack && coro->mainstack != main_mainstack) 1526 if (coro->mainstack
1455 { 1527 && coro->mainstack != main_mainstack
1456 struct coro temp; 1528 && coro->slot
1457 1529 && !PL_dirty)
1458 assert (("FATAL: tried to destroy currently running coroutine (please report)", !(coro->flags & CF_RUNNING)));
1459
1460 save_perl (aTHX_ &temp);
1461 load_perl (aTHX_ coro);
1462
1463 coro_destruct (aTHX_ coro); 1530 coro_destruct_perl (aTHX_ coro);
1464
1465 load_perl (aTHX_ &temp);
1466
1467 coro->slot = 0;
1468 }
1469 1531
1470 cctx_destroy (coro->cctx); 1532 cctx_destroy (coro->cctx);
1471 SvREFCNT_dec (coro->startcv); 1533 SvREFCNT_dec (coro->startcv);
1472 SvREFCNT_dec (coro->args); 1534 SvREFCNT_dec (coro->args);
1473 SvREFCNT_dec (CORO_THROW); 1535 SvREFCNT_dec (CORO_THROW);
… …
1560/** Coro ********************************************************************/ 1622/** Coro ********************************************************************/
1561 1623
1562INLINE void 1624INLINE void
1563coro_enq (pTHX_ struct coro *coro) 1625coro_enq (pTHX_ struct coro *coro)
1564{ 1626{
1565 av_push (coro_ready [coro->prio - PRIO_MIN], SvREFCNT_inc_NN (coro->hv)); 1627 struct coro **ready = coro_ready [coro->prio - PRIO_MIN];
1566}
1567 1628
1568INLINE SV * 1629 SvREFCNT_inc_NN (coro->hv);
1630
1631 coro->next_ready = 0;
1632 *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro;
1633 ready [1] = coro;
1634}
1635
1636INLINE struct coro *
1569coro_deq (pTHX) 1637coro_deq (pTHX)
1570{ 1638{
1571 int prio; 1639 int prio;
1572 1640
1573 for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; ) 1641 for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; )
1574 if (AvFILLp (coro_ready [prio]) >= 0) 1642 {
1575 return av_shift (coro_ready [prio]); 1643 struct coro **ready = coro_ready [prio];
1644
1645 if (ready [0])
1646 {
1647 struct coro *coro = ready [0];
1648 ready [0] = coro->next_ready;
1649 return coro;
1650 }
1651 }
1576 1652
1577 return 0; 1653 return 0;
1578} 1654}
1579 1655
1580static int 1656static int
… …
1582{ 1658{
1583 struct coro *coro; 1659 struct coro *coro;
1584 SV *sv_hook; 1660 SV *sv_hook;
1585 void (*xs_hook)(void); 1661 void (*xs_hook)(void);
1586 1662
1587 if (SvROK (coro_sv))
1588 coro_sv = SvRV (coro_sv);
1589
1590 coro = SvSTATE (coro_sv); 1663 coro = SvSTATE (coro_sv);
1591 1664
1592 if (coro->flags & CF_READY) 1665 if (coro->flags & CF_READY)
1593 return 0; 1666 return 0;
1594 1667
… …
1647static void 1720static void
1648prepare_schedule (pTHX_ struct coro_transfer_args *ta) 1721prepare_schedule (pTHX_ struct coro_transfer_args *ta)
1649{ 1722{
1650 for (;;) 1723 for (;;)
1651 { 1724 {
1652 SV *next_sv = coro_deq (aTHX); 1725 struct coro *next = coro_deq (aTHX);
1653 1726
1654 if (expect_true (next_sv)) 1727 if (expect_true (next))
1655 { 1728 {
1656 struct coro *next = SvSTATE_hv (next_sv);
1657
1658 /* cannot transfer to destroyed coros, skip and look for next */ 1729 /* cannot transfer to destroyed coros, skip and look for next */
1659 if (expect_false (next->flags & CF_DESTROYED)) 1730 if (expect_false (next->flags & (CF_DESTROYED | CF_SUSPENDED)))
1660 SvREFCNT_dec (next_sv); /* coro_nready has already been taken care of by destroy */ 1731 SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */
1661 else 1732 else
1662 { 1733 {
1663 next->flags &= ~CF_READY; 1734 next->flags &= ~CF_READY;
1664 --coro_nready; 1735 --coro_nready;
1665 1736
… …
1668 } 1739 }
1669 } 1740 }
1670 else 1741 else
1671 { 1742 {
1672 /* nothing to schedule: call the idle handler */ 1743 /* nothing to schedule: call the idle handler */
1744 if (SvROK (sv_idle)
1745 && SvOBJECT (SvRV (sv_idle)))
1746 {
1747 ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */
1748 api_ready (aTHX_ SvRV (sv_idle));
1749 --coro_nready;
1750 }
1751 else
1752 {
1673 dSP; 1753 dSP;
1674 1754
1675 ENTER; 1755 ENTER;
1676 SAVETMPS; 1756 SAVETMPS;
1677 1757
1678 PUSHMARK (SP); 1758 PUSHMARK (SP);
1679 PUTBACK; 1759 PUTBACK;
1680 call_sv (get_sv ("Coro::idle", FALSE), G_VOID | G_DISCARD); 1760 call_sv (sv_idle, G_VOID | G_DISCARD);
1681 1761
1682 FREETMPS; 1762 FREETMPS;
1683 LEAVE; 1763 LEAVE;
1764 }
1684 } 1765 }
1685 } 1766 }
1686} 1767}
1687 1768
1688INLINE void 1769INLINE void
… …
1833 av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */ 1914 av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */
1834 api_ready (aTHX_ sv_manager); 1915 api_ready (aTHX_ sv_manager);
1835 1916
1836 frame->prepare = prepare_schedule; 1917 frame->prepare = prepare_schedule;
1837 frame->check = slf_check_repeat; 1918 frame->check = slf_check_repeat;
1919
1920 /* as a minor optimisation, we could unwind all stacks here */
1921 /* but that puts extra pressure on pp_slf, and is not worth much */
1922 /*coro_unwind_stacks (aTHX);*/
1838} 1923}
1839 1924
1840/*****************************************************************************/ 1925/*****************************************************************************/
1841/* async pool handler */ 1926/* async pool handler */
1842 1927
… …
1925 SV *data = (SV *)GENSUB_ARG; 2010 SV *data = (SV *)GENSUB_ARG;
1926 2011
1927 if (SvTYPE (SvRV (data)) != SVt_PVAV) 2012 if (SvTYPE (SvRV (data)) != SVt_PVAV)
1928 { 2013 {
1929 /* first call, set args */ 2014 /* first call, set args */
2015 SV *coro = SvRV (data);
1930 AV *av = newAV (); 2016 AV *av = newAV ();
1931 SV *coro = SvRV (data);
1932 2017
1933 SvRV_set (data, (SV *)av); 2018 SvRV_set (data, (SV *)av);
1934 api_ready (aTHX_ coro);
1935 SvREFCNT_dec (coro);
1936 2019
1937 /* better take a full copy of the arguments */ 2020 /* better take a full copy of the arguments */
1938 while (items--) 2021 while (items--)
1939 av_store (av, items, newSVsv (ST (items))); 2022 av_store (av, items, newSVsv (ST (items)));
2023
2024 api_ready (aTHX_ coro);
2025 SvREFCNT_dec (coro);
1940 } 2026 }
1941 2027
1942 XSRETURN_EMPTY; 2028 XSRETURN_EMPTY;
1943} 2029}
1944 2030
… …
1961 2047
1962 EXTEND (SP, AvFILLp (av) + 1); 2048 EXTEND (SP, AvFILLp (av) + 1);
1963 for (i = 0; i <= AvFILLp (av); ++i) 2049 for (i = 0; i <= AvFILLp (av); ++i)
1964 PUSHs (sv_2mortal (AvARRAY (av)[i])); 2050 PUSHs (sv_2mortal (AvARRAY (av)[i]));
1965 2051
1966 /* we have stolen the elements, so ste length to zero and free */ 2052 /* we have stolen the elements, so set length to zero and free */
1967 AvFILLp (av) = -1; 2053 AvFILLp (av) = -1;
1968 av_undef (av); 2054 av_undef (av);
1969 2055
1970 PUTBACK; 2056 PUTBACK;
1971 } 2057 }
… …
2261 2347
2262 PL_op->op_ppaddr = pp_slf; 2348 PL_op->op_ppaddr = pp_slf;
2263 /*PL_op->op_type = OP_CUSTOM; /* we do behave like entersub still */ 2349 /*PL_op->op_type = OP_CUSTOM; /* we do behave like entersub still */
2264 2350
2265 PL_op = (OP *)&slf_restore; 2351 PL_op = (OP *)&slf_restore;
2352}
2353
2354/*****************************************************************************/
2355/* dynamic wind */
2356
2357static void
2358on_enterleave_call (pTHX_ SV *cb)
2359{
2360 dSP;
2361
2362 PUSHSTACK;
2363
2364 PUSHMARK (SP);
2365 PUTBACK;
2366 call_sv (cb, G_VOID | G_DISCARD);
2367 SPAGAIN;
2368
2369 POPSTACK;
2370}
2371
2372static SV *
2373coro_avp_pop_and_free (pTHX_ AV **avp)
2374{
2375 AV *av = *avp;
2376 SV *res = av_pop (av);
2377
2378 if (AvFILLp (av) < 0)
2379 {
2380 *avp = 0;
2381 SvREFCNT_dec (av);
2382 }
2383
2384 return res;
2385}
2386
2387static void
2388coro_pop_on_enter (pTHX_ void *coro)
2389{
2390 SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_enter);
2391 SvREFCNT_dec (cb);
2392}
2393
2394static void
2395coro_pop_on_leave (pTHX_ void *coro)
2396{
2397 SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_leave);
2398 on_enterleave_call (aTHX_ sv_2mortal (cb));
2266} 2399}
2267 2400
2268/*****************************************************************************/ 2401/*****************************************************************************/
2269/* PerlIO::cede */ 2402/* PerlIO::cede */
2270 2403
… …
2344/* Coro::Semaphore & Coro::Signal */ 2477/* Coro::Semaphore & Coro::Signal */
2345 2478
2346static SV * 2479static SV *
2347coro_waitarray_new (pTHX_ int count) 2480coro_waitarray_new (pTHX_ int count)
2348{ 2481{
2349 /* a semaphore contains a counter IV in $sem->[0] and any waiters after that */ 2482 /* a waitarray=semaphore contains a counter IV in $sem->[0] and any waiters after that */
2350 AV *av = newAV (); 2483 AV *av = newAV ();
2351 SV **ary; 2484 SV **ary;
2352 2485
2353 /* unfortunately, building manually saves memory */ 2486 /* unfortunately, building manually saves memory */
2354 Newx (ary, 2, SV *); 2487 Newx (ary, 2, SV *);
2355 AvALLOC (av) = ary; 2488 AvALLOC (av) = ary;
2489#if PERL_VERSION_ATLEAST (5,10,0)
2356 /*AvARRAY (av) = ary;*/ 2490 AvARRAY (av) = ary;
2491#else
2357 SvPVX ((SV *)av) = (char *)ary; /* 5.8.8 needs this syntax instead of AvARRAY = ary */ 2492 /* 5.8.8 needs this syntax instead of AvARRAY = ary, yet */
2493 /* -DDEBUGGING flags this as a bug, despite it perfectly working */
2494 SvPVX ((SV *)av) = (char *)ary;
2495#endif
2358 AvMAX (av) = 1; 2496 AvMAX (av) = 1;
2359 AvFILLp (av) = 0; 2497 AvFILLp (av) = 0;
2360 ary [0] = newSViv (count); 2498 ary [0] = newSViv (count);
2361 2499
2362 return newRV_noinc ((SV *)av); 2500 return newRV_noinc ((SV *)av);
… …
2891SV * 3029SV *
2892clone (Coro::State coro) 3030clone (Coro::State coro)
2893 CODE: 3031 CODE:
2894{ 3032{
2895#if CORO_CLONE 3033#if CORO_CLONE
2896 struct coro *ncoro = coro_clone (coro); 3034 struct coro *ncoro = coro_clone (aTHX_ coro);
2897 MAGIC *mg; 3035 MAGIC *mg;
2898 /* TODO: too much duplication */ 3036 /* TODO: too much duplication */
2899 ncoro->hv = newHV (); 3037 ncoro->hv = newHV ();
2900 mg = sv_magicext ((SV *)ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)ncoro, 0); 3038 mg = sv_magicext ((SV *)ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)ncoro, 0);
2901 mg->mg_flags |= MGf_DUP; 3039 mg->mg_flags |= MGf_DUP;
… …
2963 eval = 1 3101 eval = 1
2964 CODE: 3102 CODE:
2965{ 3103{
2966 if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) 3104 if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot))
2967 { 3105 {
2968 struct coro temp; 3106 struct coro *current = SvSTATE_current;
2969 3107
2970 if (!(coro->flags & CF_RUNNING)) 3108 if (current != coro)
2971 { 3109 {
2972 PUTBACK; 3110 PUTBACK;
2973 save_perl (aTHX_ &temp); 3111 save_perl (aTHX_ current);
2974 load_perl (aTHX_ coro); 3112 load_perl (aTHX_ coro);
3113 SPAGAIN;
2975 } 3114 }
2976 3115
2977 {
2978 dSP;
2979 ENTER;
2980 SAVETMPS;
2981 PUTBACK;
2982 PUSHSTACK; 3116 PUSHSTACK;
3117
2983 PUSHMARK (SP); 3118 PUSHMARK (SP);
3119 PUTBACK;
2984 3120
2985 if (ix) 3121 if (ix)
2986 eval_sv (coderef, 0); 3122 eval_sv (coderef, 0);
2987 else 3123 else
2988 call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); 3124 call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
2989 3125
2990 POPSTACK; 3126 POPSTACK;
2991 SPAGAIN; 3127 SPAGAIN;
2992 FREETMPS;
2993 LEAVE;
2994 PUTBACK;
2995 }
2996 3128
2997 if (!(coro->flags & CF_RUNNING)) 3129 if (current != coro)
2998 { 3130 {
3131 PUTBACK;
2999 save_perl (aTHX_ coro); 3132 save_perl (aTHX_ coro);
3000 load_perl (aTHX_ &temp); 3133 load_perl (aTHX_ current);
3001 SPAGAIN; 3134 SPAGAIN;
3002 } 3135 }
3003 } 3136 }
3004} 3137}
3005 3138
… …
3009 ALIAS: 3142 ALIAS:
3010 is_ready = CF_READY 3143 is_ready = CF_READY
3011 is_running = CF_RUNNING 3144 is_running = CF_RUNNING
3012 is_new = CF_NEW 3145 is_new = CF_NEW
3013 is_destroyed = CF_DESTROYED 3146 is_destroyed = CF_DESTROYED
3147 is_suspended = CF_SUSPENDED
3014 CODE: 3148 CODE:
3015 RETVAL = boolSV (coro->flags & ix); 3149 RETVAL = boolSV (coro->flags & ix);
3016 OUTPUT: 3150 OUTPUT:
3017 RETVAL 3151 RETVAL
3018 3152
… …
3083 SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; 3217 SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv;
3084 3218
3085 SV *tmp = *src; *src = *dst; *dst = tmp; 3219 SV *tmp = *src; *src = *dst; *dst = tmp;
3086 } 3220 }
3087 3221
3222void
3223cancel (Coro::State self)
3224 CODE:
3225 coro_state_destroy (aTHX_ self);
3226 coro_call_on_destroy (aTHX_ self); /* actually only for Coro objects */
3227
3088 3228
3089MODULE = Coro::State PACKAGE = Coro 3229MODULE = Coro::State PACKAGE = Coro
3090 3230
3091BOOT: 3231BOOT:
3092{ 3232{
3093 int i;
3094
3095 sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); 3233 sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
3096 sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); 3234 sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
3097 cv_coro_run = get_cv ( "Coro::_terminate", GV_ADD); 3235 cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD);
3098 cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD); 3236 cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD);
3099 coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current); 3237 coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);
3100 av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE); 3238 av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
3101 av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE); 3239 av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE);
3102 sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE); 3240 sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE);
3241 sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE);
3103 3242
3104 sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); 3243 sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle);
3105 sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); 3244 sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro);
3106 cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler); 3245 cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler);
3107 cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new); 3246 cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new);
… …
3112 newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); 3251 newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
3113 newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); 3252 newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
3114 newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); 3253 newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
3115 newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE)); 3254 newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));
3116 newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN)); 3255 newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));
3117
3118 for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
3119 coro_ready[i] = newAV ();
3120 3256
3121 { 3257 {
3122 SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE); 3258 SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);
3123 3259
3124 coroapi.schedule = api_schedule; 3260 coroapi.schedule = api_schedule;
… …
3165cede_notself (...) 3301cede_notself (...)
3166 CODE: 3302 CODE:
3167 CORO_EXECUTE_SLF_XS (slf_init_cede_notself); 3303 CORO_EXECUTE_SLF_XS (slf_init_cede_notself);
3168 3304
3169void 3305void
3170_cancel (Coro::State self)
3171 CODE:
3172 coro_state_destroy (aTHX_ self);
3173 coro_call_on_destroy (aTHX_ self);
3174
3175void
3176_set_current (SV *current) 3306_set_current (SV *current)
3177 PROTOTYPE: $ 3307 PROTOTYPE: $
3178 CODE: 3308 CODE:
3179 SvREFCNT_dec (SvRV (coro_current)); 3309 SvREFCNT_dec (SvRV (coro_current));
3180 SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current))); 3310 SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));
… …
3222 PROTOTYPE: 3352 PROTOTYPE:
3223 CODE: 3353 CODE:
3224 RETVAL = coro_nready; 3354 RETVAL = coro_nready;
3225 OUTPUT: 3355 OUTPUT:
3226 RETVAL 3356 RETVAL
3357
3358void
3359suspend (Coro::State self)
3360 PROTOTYPE: $
3361 CODE:
3362 self->flags |= CF_SUSPENDED;
3363
3364void
3365resume (Coro::State self)
3366 PROTOTYPE: $
3367 CODE:
3368 self->flags &= ~CF_SUSPENDED;
3227 3369
3228void 3370void
3229_pool_handler (...) 3371_pool_handler (...)
3230 CODE: 3372 CODE:
3231 CORO_EXECUTE_SLF_XS (slf_init_pool_handler); 3373 CORO_EXECUTE_SLF_XS (slf_init_pool_handler);
… …
3286rouse_wait (...) 3428rouse_wait (...)
3287 PROTOTYPE: ;$ 3429 PROTOTYPE: ;$
3288 PPCODE: 3430 PPCODE:
3289 CORO_EXECUTE_SLF_XS (slf_init_rouse_wait); 3431 CORO_EXECUTE_SLF_XS (slf_init_rouse_wait);
3290 3432
3433void
3434on_enter (SV *block)
3435 ALIAS:
3436 on_leave = 1
3437 PROTOTYPE: &
3438 CODE:
3439{
3440 struct coro *coro = SvSTATE_current;
3441 AV **avp = ix ? &coro->on_leave : &coro->on_enter;
3442
3443 block = (SV *)coro_sv_2cv (aTHX_ block);
3444
3445 if (!*avp)
3446 *avp = newAV ();
3447
3448 av_push (*avp, SvREFCNT_inc (block));
3449
3450 if (!ix)
3451 on_enterleave_call (aTHX_ block);
3452
3453 LEAVE; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */
3454 SAVEDESTRUCTOR_X (ix ? coro_pop_on_leave : coro_pop_on_enter, (void *)coro);
3455 ENTER; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */
3456}
3457
3291 3458
3292MODULE = Coro::State PACKAGE = PerlIO::cede 3459MODULE = Coro::State PACKAGE = PerlIO::cede
3293 3460
3294BOOT: 3461BOOT:
3295 PerlIO_define_layer (aTHX_ &PerlIO_cede); 3462 PerlIO_define_layer (aTHX_ &PerlIO_cede);
… …
3305 GvSTASH (CvGV (cv)) 3472 GvSTASH (CvGV (cv))
3306 ); 3473 );
3307 OUTPUT: 3474 OUTPUT:
3308 RETVAL 3475 RETVAL
3309 3476
3310# helper for Coro::Channel 3477# helper for Coro::Channel and others
3311SV * 3478SV *
3312_alloc (int count) 3479_alloc (int count)
3313 CODE: 3480 CODE:
3314 RETVAL = coro_waitarray_new (aTHX_ count); 3481 RETVAL = coro_waitarray_new (aTHX_ count);
3315 OUTPUT: 3482 OUTPUT:
… …
3373 for (i = 1; i <= wcount; ++i) 3540 for (i = 1; i <= wcount; ++i)
3374 PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i]))); 3541 PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i])));
3375 } 3542 }
3376} 3543}
3377 3544
3545MODULE = Coro::State PACKAGE = Coro::SemaphoreSet
3546
3547void
3548_may_delete (SV *sem, int count, int extra_refs)
3549 PPCODE:
3550{
3551 AV *av = (AV *)SvRV (sem);
3552
3553 if (SvREFCNT ((SV *)av) == 1 + extra_refs
3554 && AvFILLp (av) == 0 /* no waiters, just count */
3555 && SvIV (AvARRAY (av)[0]) == count)
3556 XSRETURN_YES;
3557
3558 XSRETURN_NO;
3559}
3560
3378MODULE = Coro::State PACKAGE = Coro::Signal 3561MODULE = Coro::State PACKAGE = Coro::Signal
3379 3562
3380SV * 3563SV *
3381new (SV *klass) 3564new (SV *klass)
3382 CODE: 3565 CODE:

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines