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Comparing Coro/Coro/State.xs (file contents):
Revision 1.313 by root, Thu Nov 20 03:22:59 2008 UTC vs.
Revision 1.349 by root, Wed Jun 10 00:47:24 2009 UTC

… …
98# define newSV(l) NEWSV(0,l) 98# define newSV(l) NEWSV(0,l)
99#endif 99#endif
100#ifndef CvISXSUB_on 100#ifndef CvISXSUB_on
101# define CvISXSUB_on(cv) (void)cv 101# define CvISXSUB_on(cv) (void)cv
102#endif 102#endif
103#ifndef CvISXSUB
104# define CvISXSUB(cv) (CvXSUB (cv) ? TRUE : FALSE)
105#endif
106#ifndef Newx
107# define Newx(ptr,nitems,type) New (0,ptr,nitems,type)
108#endif
103 109
104/* 5.8.7 */ 110/* 5.8.7 */
105#ifndef SvRV_set 111#ifndef SvRV_set
106# define SvRV_set(s,v) SvRV(s) = (v) 112# define SvRV_set(s,v) SvRV(s) = (v)
107#endif 113#endif
… …
127#else 133#else
128# define dSTACKLEVEL volatile void *stacklevel 134# define dSTACKLEVEL volatile void *stacklevel
129# define STACKLEVEL ((void *)&stacklevel) 135# define STACKLEVEL ((void *)&stacklevel)
130#endif 136#endif
131 137
132#define IN_DESTRUCT (PL_main_cv == Nullcv) 138#define IN_DESTRUCT PL_dirty
133 139
134#if __GNUC__ >= 3 140#if __GNUC__ >= 3
135# define attribute(x) __attribute__(x) 141# define attribute(x) __attribute__(x)
136# define expect(expr,value) __builtin_expect ((expr),(value)) 142# define expect(expr,value) __builtin_expect ((expr),(value))
137# define INLINE static inline 143# define INLINE static inline
… …
167static AV *main_mainstack; /* used to differentiate between $main and others */ 173static AV *main_mainstack; /* used to differentiate between $main and others */
168static JMPENV *main_top_env; 174static JMPENV *main_top_env;
169static HV *coro_state_stash, *coro_stash; 175static HV *coro_state_stash, *coro_stash;
170static volatile SV *coro_mortal; /* will be freed/thrown after next transfer */ 176static volatile SV *coro_mortal; /* will be freed/thrown after next transfer */
171 177
178static AV *av_destroy; /* destruction queue */
179static SV *sv_manager; /* the manager coro */
180static SV *sv_idle; /* $Coro::idle */
181
172static GV *irsgv; /* $/ */ 182static GV *irsgv; /* $/ */
173static GV *stdoutgv; /* *STDOUT */ 183static GV *stdoutgv; /* *STDOUT */
174static SV *rv_diehook; 184static SV *rv_diehook;
175static SV *rv_warnhook; 185static SV *rv_warnhook;
176static HV *hv_sig; /* %SIG */ 186static HV *hv_sig; /* %SIG */
177 187
178/* async_pool helper stuff */ 188/* async_pool helper stuff */
179static SV *sv_pool_rss; 189static SV *sv_pool_rss;
180static SV *sv_pool_size; 190static SV *sv_pool_size;
181static SV *sv_async_pool_idle; 191static SV *sv_async_pool_idle; /* description string */
182static AV *av_async_pool; 192static AV *av_async_pool; /* idle pool */
183static SV *sv_Coro; 193static SV *sv_Coro; /* class string */
184static CV *cv_pool_handler; 194static CV *cv_pool_handler;
185static CV *cv_coro_new; 195static CV *cv_coro_state_new;
186 196
187/* Coro::AnyEvent */ 197/* Coro::AnyEvent */
188static SV *sv_activity; 198static SV *sv_activity;
189 199
190static struct coro_cctx *cctx_first; 200static struct coro_cctx *cctx_first;
… …
219 int valgrind_id; 229 int valgrind_id;
220#endif 230#endif
221 unsigned char flags; 231 unsigned char flags;
222} coro_cctx; 232} coro_cctx;
223 233
234coro_cctx *cctx_current; /* the currently running cctx */
235
236/*****************************************************************************/
237
224enum { 238enum {
225 CF_RUNNING = 0x0001, /* coroutine is running */ 239 CF_RUNNING = 0x0001, /* coroutine is running */
226 CF_READY = 0x0002, /* coroutine is ready */ 240 CF_READY = 0x0002, /* coroutine is ready */
227 CF_NEW = 0x0004, /* has never been switched to */ 241 CF_NEW = 0x0004, /* has never been switched to */
228 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 */
229}; 244};
230 245
231/* 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 */
232typedef struct 247typedef struct
233{ 248{
234 SV *defsv; 249 SV *defsv;
235 AV *defav; 250 AV *defav;
236 SV *errsv; 251 SV *errsv;
237 SV *irsgv; 252 SV *irsgv;
253 HV *hinthv;
238#define VAR(name,type) type name; 254#define VAR(name,type) type name;
239# include "state.h" 255# include "state.h"
240#undef VAR 256#undef VAR
241} perl_slots; 257} perl_slots;
242 258
… …
244 260
245/* this is a structure representing a perl-level coroutine */ 261/* this is a structure representing a perl-level coroutine */
246struct coro { 262struct coro {
247 /* the C coroutine allocated to this perl coroutine, if any */ 263 /* the C coroutine allocated to this perl coroutine, if any */
248 coro_cctx *cctx; 264 coro_cctx *cctx;
265
266 /* ready queue */
267 struct coro *next_ready;
249 268
250 /* state data */ 269 /* state data */
251 struct CoroSLF slf_frame; /* saved slf frame */ 270 struct CoroSLF slf_frame; /* saved slf frame */
252 AV *mainstack; 271 AV *mainstack;
253 perl_slots *slot; /* basically the saved sp */ 272 perl_slots *slot; /* basically the saved sp */
… …
270 /* async_pool */ 289 /* async_pool */
271 SV *saved_deffh; 290 SV *saved_deffh;
272 SV *invoke_cb; 291 SV *invoke_cb;
273 AV *invoke_av; 292 AV *invoke_av;
274 293
294 /* on_enter/on_leave */
295 AV *on_enter;
296 AV *on_leave;
297
275 /* linked list */ 298 /* linked list */
276 struct coro *next, *prev; 299 struct coro *next, *prev;
277}; 300};
278 301
279typedef struct coro *Coro__State; 302typedef struct coro *Coro__State;
… …
294#define PRIO_MIN -4 317#define PRIO_MIN -4
295 318
296/* for Coro.pm */ 319/* for Coro.pm */
297static SV *coro_current; 320static SV *coro_current;
298static SV *coro_readyhook; 321static SV *coro_readyhook;
299static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1]; 322static struct coro *coro_ready [PRIO_MAX - PRIO_MIN + 1][2]; /* head|tail */
300static CV *cv_coro_run, *cv_coro_terminate; 323static CV *cv_coro_run, *cv_coro_terminate;
301static struct coro *coro_first; 324static struct coro *coro_first;
302#define coro_nready coroapi.nready 325#define coro_nready coroapi.nready
303 326
304/** lowlevel stuff **********************************************************/ 327/** lowlevel stuff **********************************************************/
… …
337INLINE CV * 360INLINE CV *
338coro_sv_2cv (pTHX_ SV *sv) 361coro_sv_2cv (pTHX_ SV *sv)
339{ 362{
340 HV *st; 363 HV *st;
341 GV *gvp; 364 GV *gvp;
342 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;
343} 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 */
344 424
345static AV * 425static AV *
346coro_clone_padlist (pTHX_ CV *cv) 426coro_derive_padlist (pTHX_ CV *cv)
347{ 427{
348 AV *padlist = CvPADLIST (cv); 428 AV *padlist = CvPADLIST (cv);
349 AV *newpadlist, *newpad; 429 AV *newpadlist, *newpad;
350 430
351 newpadlist = newAV (); 431 newpadlist = newAV ();
… …
356 Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1); 436 Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
357#endif 437#endif
358 newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)]; 438 newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
359 --AvFILLp (padlist); 439 --AvFILLp (padlist);
360 440
361 av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE))); 441 av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0]));
362 av_store (newpadlist, 1, (SV *)newpad); 442 av_store (newpadlist, 1, (SV *)newpad);
363 443
364 return newpadlist; 444 return newpadlist;
365} 445}
366 446
367static void 447static void
368free_padlist (pTHX_ AV *padlist) 448free_padlist (pTHX_ AV *padlist)
369{ 449{
370 /* may be during global destruction */ 450 /* may be during global destruction */
371 if (SvREFCNT (padlist)) 451 if (!IN_DESTRUCT)
372 { 452 {
373 I32 i = AvFILLp (padlist); 453 I32 i = AvFILLp (padlist);
374 while (i >= 0) 454
455 while (i > 0) /* special-case index 0 */
375 { 456 {
376 SV **svp = av_fetch (padlist, i--, FALSE); 457 /* we try to be extra-careful here */
377 if (svp) 458 AV *av = (AV *)AvARRAY (padlist)[i--];
378 { 459 I32 j = AvFILLp (av);
379 SV *sv; 460
380 while (&PL_sv_undef != (sv = av_pop ((AV *)*svp))) 461 while (j >= 0)
462 SvREFCNT_dec (AvARRAY (av)[j--]);
463
464 AvFILLp (av) = -1;
381 SvREFCNT_dec (sv); 465 SvREFCNT_dec (av);
382
383 SvREFCNT_dec (*svp);
384 }
385 } 466 }
386 467
468 SvREFCNT_dec (AvARRAY (padlist)[0]);
469
470 AvFILLp (padlist) = -1;
387 SvREFCNT_dec ((SV*)padlist); 471 SvREFCNT_dec ((SV*)padlist);
388 } 472 }
389} 473}
390 474
391static int 475static int
… …
400 484
401 SvREFCNT_dec (av); /* sv_magicext increased the refcount */ 485 SvREFCNT_dec (av); /* sv_magicext increased the refcount */
402 486
403 return 0; 487 return 0;
404} 488}
405
406#define CORO_MAGIC_type_cv 26
407#define CORO_MAGIC_type_state PERL_MAGIC_ext
408 489
409static MGVTBL coro_cv_vtbl = { 490static MGVTBL coro_cv_vtbl = {
410 0, 0, 0, 0, 491 0, 0, 0, 0,
411 coro_cv_free 492 coro_cv_free
412}; 493};
413
414#define CORO_MAGIC_NN(sv, type) \
415 (expect_true (SvMAGIC (sv)->mg_type == type) \
416 ? SvMAGIC (sv) \
417 : mg_find (sv, type))
418
419#define CORO_MAGIC(sv, type) \
420 (expect_true (SvMAGIC (sv)) \
421 ? CORO_MAGIC_NN (sv, type) \
422 : 0)
423
424#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
425#define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state)
426
427INLINE struct coro *
428SvSTATE_ (pTHX_ SV *coro)
429{
430 HV *stash;
431 MAGIC *mg;
432
433 if (SvROK (coro))
434 coro = SvRV (coro);
435
436 if (expect_false (SvTYPE (coro) != SVt_PVHV))
437 croak ("Coro::State object required");
438
439 stash = SvSTASH (coro);
440 if (expect_false (stash != coro_stash && stash != coro_state_stash))
441 {
442 /* very slow, but rare, check */
443 if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
444 croak ("Coro::State object required");
445 }
446
447 mg = CORO_MAGIC_state (coro);
448 return (struct coro *)mg->mg_ptr;
449}
450
451#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
452
453/* faster than SvSTATE, but expects a coroutine hv */
454#define SvSTATE_hv(hv) ((struct coro *)CORO_MAGIC_NN ((SV *)hv, CORO_MAGIC_type_state)->mg_ptr)
455#define SvSTATE_current SvSTATE_hv (SvRV (coro_current))
456 494
457/* the next two functions merely cache the padlists */ 495/* the next two functions merely cache the padlists */
458static void 496static void
459get_padlist (pTHX_ CV *cv) 497get_padlist (pTHX_ CV *cv)
460{ 498{
… …
471 CV *cp = Perl_cv_clone (aTHX_ cv); 509 CV *cp = Perl_cv_clone (aTHX_ cv);
472 CvPADLIST (cv) = CvPADLIST (cp); 510 CvPADLIST (cv) = CvPADLIST (cp);
473 CvPADLIST (cp) = 0; 511 CvPADLIST (cp) = 0;
474 SvREFCNT_dec (cp); 512 SvREFCNT_dec (cp);
475#else 513#else
476 CvPADLIST (cv) = coro_clone_padlist (aTHX_ cv); 514 CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv);
477#endif 515#endif
478 } 516 }
479} 517}
480 518
481static void 519static void
… …
488 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);
489 527
490 av = (AV *)mg->mg_obj; 528 av = (AV *)mg->mg_obj;
491 529
492 if (expect_false (AvFILLp (av) >= AvMAX (av))) 530 if (expect_false (AvFILLp (av) >= AvMAX (av)))
493 av_extend (av, AvMAX (av) + 1); 531 av_extend (av, AvFILLp (av) + 1);
494 532
495 AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); 533 AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
496} 534}
497 535
498/** load & save, init *******************************************************/ 536/** load & save, init *******************************************************/
537
538static void
539on_enterleave_call (pTHX_ SV *cb);
499 540
500static void 541static void
501load_perl (pTHX_ Coro__State c) 542load_perl (pTHX_ Coro__State c)
502{ 543{
503 perl_slots *slot = c->slot; 544 perl_slots *slot = c->slot;
504 c->slot = 0; 545 c->slot = 0;
505 546
506 PL_mainstack = c->mainstack; 547 PL_mainstack = c->mainstack;
507 548
508 GvSV (PL_defgv) = slot->defsv; 549 GvSV (PL_defgv) = slot->defsv;
509 GvAV (PL_defgv) = slot->defav; 550 GvAV (PL_defgv) = slot->defav;
510 GvSV (PL_errgv) = slot->errsv; 551 GvSV (PL_errgv) = slot->errsv;
511 GvSV (irsgv) = slot->irsgv; 552 GvSV (irsgv) = slot->irsgv;
553 GvHV (PL_hintgv) = slot->hinthv;
512 554
513 #define VAR(name,type) PL_ ## name = slot->name; 555 #define VAR(name,type) PL_ ## name = slot->name;
514 # include "state.h" 556 # include "state.h"
515 #undef VAR 557 #undef VAR
516 558
… …
530 PUTBACK; 572 PUTBACK;
531 } 573 }
532 574
533 slf_frame = c->slf_frame; 575 slf_frame = c->slf_frame;
534 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 }
535} 585}
536 586
537static void 587static void
538save_perl (pTHX_ Coro__State c) 588save_perl (pTHX_ Coro__State c)
539{ 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
540 c->except = CORO_THROW; 598 c->except = CORO_THROW;
541 c->slf_frame = slf_frame; 599 c->slf_frame = slf_frame;
542 600
543 { 601 {
544 dSP; 602 dSP;
… …
602 c->mainstack = PL_mainstack; 660 c->mainstack = PL_mainstack;
603 661
604 { 662 {
605 perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1); 663 perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1);
606 664
607 slot->defav = GvAV (PL_defgv); 665 slot->defav = GvAV (PL_defgv);
608 slot->defsv = DEFSV; 666 slot->defsv = DEFSV;
609 slot->errsv = ERRSV; 667 slot->errsv = ERRSV;
610 slot->irsgv = GvSV (irsgv); 668 slot->irsgv = GvSV (irsgv);
669 slot->hinthv = GvHV (PL_hintgv);
611 670
612 #define VAR(name,type) slot->name = PL_ ## name; 671 #define VAR(name,type) slot->name = PL_ ## name;
613 # include "state.h" 672 # include "state.h"
614 #undef VAR 673 #undef VAR
615 } 674 }
… …
742#endif 801#endif
743 802
744/* 803/*
745 * This overrides the default magic get method of %SIG elements. 804 * This overrides the default magic get method of %SIG elements.
746 * 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
747 * 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
748 * readback here. 807 * readback here.
749 * We only do this when the hook is != 0, as they are often set to 0 temporarily,
750 * not expecting this to actually change the hook. This is a potential problem
751 * when a schedule happens then, but we ignore this.
752 */ 808 */
753static int 809static int
754coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg) 810coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg)
755{ 811{
756 const char *s = MgPV_nolen_const (mg); 812 const char *s = MgPV_nolen_const (mg);
… …
809 if (strEQ (s, "__WARN__")) svp = &PL_warnhook; 865 if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
810 866
811 if (svp) 867 if (svp)
812 { 868 {
813 SV *old = *svp; 869 SV *old = *svp;
814 *svp = newSVsv (sv); 870 *svp = SvOK (sv) ? newSVsv (sv) : 0;
815 SvREFCNT_dec (old); 871 SvREFCNT_dec (old);
816 return 0; 872 return 0;
817 } 873 }
818 } 874 }
819 875
… …
829 885
830static int 886static int
831slf_check_nop (pTHX_ struct CoroSLF *frame) 887slf_check_nop (pTHX_ struct CoroSLF *frame)
832{ 888{
833 return 0; 889 return 0;
890}
891
892static int
893slf_check_repeat (pTHX_ struct CoroSLF *frame)
894{
895 return 1;
834} 896}
835 897
836static UNOP coro_setup_op; 898static UNOP coro_setup_op;
837 899
838static void NOINLINE /* noinline to keep it out of the transfer fast path */ 900static void NOINLINE /* noinline to keep it out of the transfer fast path */
… …
845 907
846 PL_runops = RUNOPS_DEFAULT; 908 PL_runops = RUNOPS_DEFAULT;
847 PL_curcop = &PL_compiling; 909 PL_curcop = &PL_compiling;
848 PL_in_eval = EVAL_NULL; 910 PL_in_eval = EVAL_NULL;
849 PL_comppad = 0; 911 PL_comppad = 0;
912 PL_comppad_name = 0;
913 PL_comppad_name_fill = 0;
914 PL_comppad_name_floor = 0;
850 PL_curpm = 0; 915 PL_curpm = 0;
851 PL_curpad = 0; 916 PL_curpad = 0;
852 PL_localizing = 0; 917 PL_localizing = 0;
853 PL_dirty = 0; 918 PL_dirty = 0;
854 PL_restartop = 0; 919 PL_restartop = 0;
855#if PERL_VERSION_ATLEAST (5,10,0) 920#if PERL_VERSION_ATLEAST (5,10,0)
856 PL_parser = 0; 921 PL_parser = 0;
857#endif 922#endif
923 PL_hints = 0;
858 924
859 /* recreate the die/warn hooks */ 925 /* recreate the die/warn hooks */
860 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 );
861 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);
862 928
863 GvSV (PL_defgv) = newSV (0); 929 GvSV (PL_defgv) = newSV (0);
864 GvAV (PL_defgv) = coro->args; coro->args = 0; 930 GvAV (PL_defgv) = coro->args; coro->args = 0;
865 GvSV (PL_errgv) = newSV (0); 931 GvSV (PL_errgv) = newSV (0);
866 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;
867 PL_rs = newSVsv (GvSV (irsgv)); 934 PL_rs = newSVsv (GvSV (irsgv));
868 PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv); 935 PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);
869 936
870 { 937 {
871 dSP; 938 dSP;
… …
889 slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */ 956 slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */
890 slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */ 957 slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */
891 958
892 /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */ 959 /* and we have to provide the pp_slf op in any case, so pp_slf can skip it */
893 coro_setup_op.op_next = PL_op; 960 coro_setup_op.op_next = PL_op;
894 coro_setup_op.op_type = OP_CUSTOM; 961 coro_setup_op.op_type = OP_ENTERSUB;
895 coro_setup_op.op_ppaddr = pp_slf; 962 coro_setup_op.op_ppaddr = pp_slf;
896 /* no flags etc. required, as an init function won't be called */ 963 /* no flags etc. required, as an init function won't be called */
897 964
898 PL_op = (OP *)&coro_setup_op; 965 PL_op = (OP *)&coro_setup_op;
899 966
900 /* copy throw, in case it was set before coro_setup */ 967 /* copy throw, in case it was set before coro_setup */
901 CORO_THROW = coro->except; 968 CORO_THROW = coro->except;
902} 969}
903 970
904static void 971static void
905coro_destruct (pTHX_ struct coro *coro) 972coro_unwind_stacks (pTHX)
906{ 973{
907 if (!IN_DESTRUCT) 974 if (!IN_DESTRUCT)
908 { 975 {
909 /* restore all saved variables and stuff */ 976 /* restore all saved variables and stuff */
910 LEAVE_SCOPE (0); 977 LEAVE_SCOPE (0);
… …
918 POPSTACK_TO (PL_mainstack); 985 POPSTACK_TO (PL_mainstack);
919 986
920 /* unwind main stack */ 987 /* unwind main stack */
921 dounwind (-1); 988 dounwind (-1);
922 } 989 }
990}
991
992static void
993coro_destruct_perl (pTHX_ struct coro *coro)
994{
995 coro_unwind_stacks (aTHX);
923 996
924 SvREFCNT_dec (GvSV (PL_defgv)); 997 SvREFCNT_dec (GvSV (PL_defgv));
925 SvREFCNT_dec (GvAV (PL_defgv)); 998 SvREFCNT_dec (GvAV (PL_defgv));
926 SvREFCNT_dec (GvSV (PL_errgv)); 999 SvREFCNT_dec (GvSV (PL_errgv));
927 SvREFCNT_dec (PL_defoutgv); 1000 SvREFCNT_dec (PL_defoutgv);
928 SvREFCNT_dec (PL_rs); 1001 SvREFCNT_dec (PL_rs);
929 SvREFCNT_dec (GvSV (irsgv)); 1002 SvREFCNT_dec (GvSV (irsgv));
1003 SvREFCNT_dec (GvHV (PL_hintgv));
930 1004
931 SvREFCNT_dec (PL_diehook); 1005 SvREFCNT_dec (PL_diehook);
932 SvREFCNT_dec (PL_warnhook); 1006 SvREFCNT_dec (PL_warnhook);
933 1007
934 SvREFCNT_dec (coro->saved_deffh); 1008 SvREFCNT_dec (coro->saved_deffh);
… …
952static int 1026static int
953runops_trace (pTHX) 1027runops_trace (pTHX)
954{ 1028{
955 COP *oldcop = 0; 1029 COP *oldcop = 0;
956 int oldcxix = -2; 1030 int oldcxix = -2;
957 struct coro *coro = SvSTATE_current; /* trace cctx is tied to specific coro */
958 coro_cctx *cctx = coro->cctx;
959 1031
960 while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX))) 1032 while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))
961 { 1033 {
962 PERL_ASYNC_CHECK (); 1034 PERL_ASYNC_CHECK ();
963 1035
964 if (cctx->flags & CC_TRACE_ALL) 1036 if (cctx_current->flags & CC_TRACE_ALL)
965 { 1037 {
966 if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB) 1038 if (PL_op->op_type == OP_LEAVESUB && cctx_current->flags & CC_TRACE_SUB)
967 { 1039 {
968 PERL_CONTEXT *cx = &cxstack[cxstack_ix]; 1040 PERL_CONTEXT *cx = &cxstack[cxstack_ix];
969 SV **bot, **top; 1041 SV **bot, **top;
970 AV *av = newAV (); /* return values */ 1042 AV *av = newAV (); /* return values */
971 SV **cb; 1043 SV **cb;
… …
1008 1080
1009 if (PL_curcop != &PL_compiling) 1081 if (PL_curcop != &PL_compiling)
1010 { 1082 {
1011 SV **cb; 1083 SV **cb;
1012 1084
1013 if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB) 1085 if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB)
1014 { 1086 {
1015 PERL_CONTEXT *cx = &cxstack[cxstack_ix]; 1087 PERL_CONTEXT *cx = &cxstack[cxstack_ix];
1016 1088
1017 if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix) 1089 if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)
1018 { 1090 {
1019 runops_proc_t old_runops = PL_runops;
1020 dSP; 1091 dSP;
1021 GV *gv = CvGV (cx->blk_sub.cv); 1092 GV *gv = CvGV (cx->blk_sub.cv);
1022 SV *fullname = sv_2mortal (newSV (0)); 1093 SV *fullname = sv_2mortal (newSV (0));
1023 1094
1024 if (isGV (gv)) 1095 if (isGV (gv))
… …
1042 } 1113 }
1043 1114
1044 oldcxix = cxstack_ix; 1115 oldcxix = cxstack_ix;
1045 } 1116 }
1046 1117
1047 if (cctx->flags & CC_TRACE_LINE) 1118 if (cctx_current->flags & CC_TRACE_LINE)
1048 { 1119 {
1049 dSP; 1120 dSP;
1050 1121
1051 PL_runops = RUNOPS_DEFAULT; 1122 PL_runops = RUNOPS_DEFAULT;
1052 ENTER; 1123 ENTER;
… …
1071 1142
1072 TAINT_NOT; 1143 TAINT_NOT;
1073 return 0; 1144 return 0;
1074} 1145}
1075 1146
1076static struct coro_cctx *cctx_ssl_cctx;
1077static struct CoroSLF cctx_ssl_frame; 1147static struct CoroSLF cctx_ssl_frame;
1078 1148
1079static void 1149static void
1080slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta) 1150slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta)
1081{ 1151{
1082 ta->prev = (struct coro *)cctx_ssl_cctx;
1083 ta->next = 0; 1152 ta->prev = 0;
1084} 1153}
1085 1154
1086static int 1155static int
1087slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame) 1156slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame)
1088{ 1157{
… …
1091 return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */ 1160 return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */
1092} 1161}
1093 1162
1094/* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */ 1163/* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */
1095static void NOINLINE 1164static void NOINLINE
1096cctx_prepare (pTHX_ coro_cctx *cctx) 1165cctx_prepare (pTHX)
1097{ 1166{
1098 PL_top_env = &PL_start_env; 1167 PL_top_env = &PL_start_env;
1099 1168
1100 if (cctx->flags & CC_TRACE) 1169 if (cctx_current->flags & CC_TRACE)
1101 PL_runops = runops_trace; 1170 PL_runops = runops_trace;
1102 1171
1103 /* we already must be executing an SLF op, there is no other valid way 1172 /* we already must be executing an SLF op, there is no other valid way
1104 * that can lead to creation of a new cctx */ 1173 * that can lead to creation of a new cctx */
1105 assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)", 1174 assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)",
1106 slf_frame.prepare && PL_op->op_ppaddr == pp_slf)); 1175 slf_frame.prepare && PL_op->op_ppaddr == pp_slf));
1107 1176
1108 /* we must emulate leaving pp_slf, which is done inside slf_check_set_stacklevel */ 1177 /* we must emulate leaving pp_slf, which is done inside slf_check_set_stacklevel */
1109 cctx_ssl_cctx = cctx;
1110 cctx_ssl_frame = slf_frame; 1178 cctx_ssl_frame = slf_frame;
1111 1179
1112 slf_frame.prepare = slf_prepare_set_stacklevel; 1180 slf_frame.prepare = slf_prepare_set_stacklevel;
1113 slf_frame.check = slf_check_set_stacklevel; 1181 slf_frame.check = slf_check_set_stacklevel;
1114} 1182}
… …
1137 /* normally we would need to skip the entersub here */ 1205 /* normally we would need to skip the entersub here */
1138 /* not doing so will re-execute it, which is exactly what we want */ 1206 /* not doing so will re-execute it, which is exactly what we want */
1139 /* PL_nop = PL_nop->op_next */ 1207 /* PL_nop = PL_nop->op_next */
1140 1208
1141 /* inject a fake subroutine call to cctx_init */ 1209 /* inject a fake subroutine call to cctx_init */
1142 cctx_prepare (aTHX_ (coro_cctx *)arg); 1210 cctx_prepare (aTHX);
1143 1211
1144 /* cctx_run is the alternative tail of transfer() */ 1212 /* cctx_run is the alternative tail of transfer() */
1145 transfer_tail (aTHX); 1213 transfer_tail (aTHX);
1146 1214
1147 /* somebody or something will hit me for both perl_run and PL_restartop */ 1215 /* somebody or something will hit me for both perl_run and PL_restartop */
… …
1155 /* 1223 /*
1156 * If perl-run returns we assume exit() was being called or the coro 1224 * If perl-run returns we assume exit() was being called or the coro
1157 * fell off the end, which seems to be the only valid (non-bug) 1225 * fell off the end, which seems to be the only valid (non-bug)
1158 * reason for perl_run to return. We try to exit by jumping to the 1226 * reason for perl_run to return. We try to exit by jumping to the
1159 * bootstrap-time "top" top_env, as we cannot restore the "main" 1227 * bootstrap-time "top" top_env, as we cannot restore the "main"
1160 * coroutine as Coro has no such concept 1228 * coroutine as Coro has no such concept.
1229 * This actually isn't valid with the pthread backend, but OSes requiring
1230 * that backend are too broken to do it in a standards-compliant way.
1161 */ 1231 */
1162 PL_top_env = main_top_env; 1232 PL_top_env = main_top_env;
1163 JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */ 1233 JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */
1164 } 1234 }
1165} 1235}
… …
1242cctx_destroy (coro_cctx *cctx) 1312cctx_destroy (coro_cctx *cctx)
1243{ 1313{
1244 if (!cctx) 1314 if (!cctx)
1245 return; 1315 return;
1246 1316
1317 assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));//D temporary?
1318
1247 --cctx_count; 1319 --cctx_count;
1248 coro_destroy (&cctx->cctx); 1320 coro_destroy (&cctx->cctx);
1249 1321
1250 /* coro_transfer creates new, empty cctx's */ 1322 /* coro_transfer creates new, empty cctx's */
1251 if (cctx->sptr) 1323 if (cctx->sptr)
… …
1314 /* TODO: throwing up here is considered harmful */ 1386 /* TODO: throwing up here is considered harmful */
1315 1387
1316 if (expect_true (prev != next)) 1388 if (expect_true (prev != next))
1317 { 1389 {
1318 if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW)))) 1390 if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW))))
1319 croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states,"); 1391 croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,");
1320 1392
1321 if (expect_false (next->flags & CF_RUNNING))
1322 croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states,");
1323
1324 if (expect_false (next->flags & CF_DESTROYED)) 1393 if (expect_false (next->flags & (CF_RUNNING | CF_DESTROYED | CF_SUSPENDED)))
1325 croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states,"); 1394 croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,");
1326 1395
1327#if !PERL_VERSION_ATLEAST (5,10,0) 1396#if !PERL_VERSION_ATLEAST (5,10,0)
1328 if (expect_false (PL_lex_state != LEX_NOTPARSING)) 1397 if (expect_false (PL_lex_state != LEX_NOTPARSING))
1329 croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,"); 1398 croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,");
1330#endif 1399#endif
… …
1336transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx) 1405transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx)
1337{ 1406{
1338 dSTACKLEVEL; 1407 dSTACKLEVEL;
1339 1408
1340 /* sometimes transfer is only called to set idle_sp */ 1409 /* sometimes transfer is only called to set idle_sp */
1341 if (expect_false (!next)) 1410 if (expect_false (!prev))
1342 { 1411 {
1343 ((coro_cctx *)prev)->idle_sp = STACKLEVEL; 1412 cctx_current->idle_sp = STACKLEVEL;
1344 assert (((coro_cctx *)prev)->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */ 1413 assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */
1345 } 1414 }
1346 else if (expect_true (prev != next)) 1415 else if (expect_true (prev != next))
1347 { 1416 {
1348 coro_cctx *prev__cctx; 1417 coro_cctx *cctx_prev;
1349 1418
1350 if (expect_false (prev->flags & CF_NEW)) 1419 if (expect_false (prev->flags & CF_NEW))
1351 { 1420 {
1352 /* create a new empty/source context */ 1421 /* create a new empty/source context */
1353 prev->cctx = cctx_new_empty ();
1354 prev->flags &= ~CF_NEW; 1422 prev->flags &= ~CF_NEW;
1355 prev->flags |= CF_RUNNING; 1423 prev->flags |= CF_RUNNING;
1356 } 1424 }
1357 1425
1358 prev->flags &= ~CF_RUNNING; 1426 prev->flags &= ~CF_RUNNING;
… …
1369 coro_setup (aTHX_ next); 1437 coro_setup (aTHX_ next);
1370 } 1438 }
1371 else 1439 else
1372 load_perl (aTHX_ next); 1440 load_perl (aTHX_ next);
1373 1441
1374 prev__cctx = prev->cctx;
1375
1376 /* possibly untie and reuse the cctx */ 1442 /* possibly untie and reuse the cctx */
1377 if (expect_true ( 1443 if (expect_true (
1378 prev__cctx->idle_sp == STACKLEVEL 1444 cctx_current->idle_sp == STACKLEVEL
1379 && !(prev__cctx->flags & CC_TRACE) 1445 && !(cctx_current->flags & CC_TRACE)
1380 && !force_cctx 1446 && !force_cctx
1381 )) 1447 ))
1382 { 1448 {
1383 /* I assume that stacklevel is a stronger indicator than PL_top_env changes */ 1449 /* I assume that stacklevel is a stronger indicator than PL_top_env changes */
1384 assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == prev__cctx->idle_te)); 1450 assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te));
1385 1451
1386 prev->cctx = 0;
1387
1388 /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */ 1452 /* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */
1389 /* without this the next cctx_get might destroy the prev__cctx while still in use */ 1453 /* without this the next cctx_get might destroy the running cctx while still in use */
1390 if (expect_false (CCTX_EXPIRED (prev__cctx))) 1454 if (expect_false (CCTX_EXPIRED (cctx_current)))
1391 if (!next->cctx) 1455 if (expect_true (!next->cctx))
1392 next->cctx = cctx_get (aTHX); 1456 next->cctx = cctx_get (aTHX);
1393 1457
1394 cctx_put (prev__cctx); 1458 cctx_put (cctx_current);
1395 } 1459 }
1460 else
1461 prev->cctx = cctx_current;
1396 1462
1397 ++next->usecount; 1463 ++next->usecount;
1398 1464
1399 if (expect_true (!next->cctx)) 1465 cctx_prev = cctx_current;
1400 next->cctx = cctx_get (aTHX); 1466 cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX);
1401 1467
1402 if (expect_false (prev__cctx != next->cctx)) 1468 next->cctx = 0;
1469
1470 if (expect_false (cctx_prev != cctx_current))
1403 { 1471 {
1404 prev__cctx->top_env = PL_top_env; 1472 cctx_prev->top_env = PL_top_env;
1405 PL_top_env = next->cctx->top_env; 1473 PL_top_env = cctx_current->top_env;
1406 coro_transfer (&prev__cctx->cctx, &next->cctx->cctx); 1474 coro_transfer (&cctx_prev->cctx, &cctx_current->cctx);
1407 } 1475 }
1408 1476
1409 transfer_tail (aTHX); 1477 transfer_tail (aTHX);
1410 } 1478 }
1411} 1479}
… …
1419coro_state_destroy (pTHX_ struct coro *coro) 1487coro_state_destroy (pTHX_ struct coro *coro)
1420{ 1488{
1421 if (coro->flags & CF_DESTROYED) 1489 if (coro->flags & CF_DESTROYED)
1422 return 0; 1490 return 0;
1423 1491
1424 if (coro->on_destroy) 1492 if (coro->on_destroy && !PL_dirty)
1425 coro->on_destroy (aTHX_ coro); 1493 coro->on_destroy (aTHX_ coro);
1426 1494
1427 coro->flags |= CF_DESTROYED; 1495 coro->flags |= CF_DESTROYED;
1428 1496
1429 if (coro->flags & CF_READY) 1497 if (coro->flags & CF_READY)
… …
1433 --coro_nready; 1501 --coro_nready;
1434 } 1502 }
1435 else 1503 else
1436 coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */ 1504 coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */
1437 1505
1438 if (coro->mainstack && coro->mainstack != main_mainstack) 1506 if (coro->mainstack
1507 && coro->mainstack != main_mainstack
1508 && coro->slot
1509 && !PL_dirty)
1439 { 1510 {
1440 struct coro temp; 1511 struct coro *current = SvSTATE_current;
1441 1512
1442 assert (("FATAL: tried to destroy currently running coroutine (please report)", !(coro->flags & CF_RUNNING))); 1513 assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack));
1443 1514
1444 save_perl (aTHX_ &temp); 1515 save_perl (aTHX_ current);
1445 load_perl (aTHX_ coro); 1516 load_perl (aTHX_ coro);
1446 1517
1447 coro_destruct (aTHX_ coro); 1518 coro_destruct_perl (aTHX_ coro);
1448 1519
1449 load_perl (aTHX_ &temp); 1520 load_perl (aTHX_ current);
1450 1521
1451 coro->slot = 0; 1522 coro->slot = 0;
1452 } 1523 }
1453 1524
1454 cctx_destroy (coro->cctx); 1525 cctx_destroy (coro->cctx);
… …
1544/** Coro ********************************************************************/ 1615/** Coro ********************************************************************/
1545 1616
1546INLINE void 1617INLINE void
1547coro_enq (pTHX_ struct coro *coro) 1618coro_enq (pTHX_ struct coro *coro)
1548{ 1619{
1549 av_push (coro_ready [coro->prio - PRIO_MIN], SvREFCNT_inc_NN (coro->hv)); 1620 struct coro **ready = coro_ready [coro->prio - PRIO_MIN];
1550}
1551 1621
1552INLINE SV * 1622 SvREFCNT_inc_NN (coro->hv);
1623
1624 coro->next_ready = 0;
1625 *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro;
1626 ready [1] = coro;
1627}
1628
1629INLINE struct coro *
1553coro_deq (pTHX) 1630coro_deq (pTHX)
1554{ 1631{
1555 int prio; 1632 int prio;
1556 1633
1557 for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; ) 1634 for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; )
1558 if (AvFILLp (coro_ready [prio]) >= 0) 1635 {
1559 return av_shift (coro_ready [prio]); 1636 struct coro **ready = coro_ready [prio];
1637
1638 if (ready [0])
1639 {
1640 struct coro *coro = ready [0];
1641 ready [0] = coro->next_ready;
1642 return coro;
1643 }
1644 }
1560 1645
1561 return 0; 1646 return 0;
1562} 1647}
1563 1648
1564static int 1649static int
… …
1566{ 1651{
1567 struct coro *coro; 1652 struct coro *coro;
1568 SV *sv_hook; 1653 SV *sv_hook;
1569 void (*xs_hook)(void); 1654 void (*xs_hook)(void);
1570 1655
1571 if (SvROK (coro_sv))
1572 coro_sv = SvRV (coro_sv);
1573
1574 coro = SvSTATE (coro_sv); 1656 coro = SvSTATE (coro_sv);
1575 1657
1576 if (coro->flags & CF_READY) 1658 if (coro->flags & CF_READY)
1577 return 0; 1659 return 0;
1578 1660
… …
1609api_is_ready (pTHX_ SV *coro_sv) 1691api_is_ready (pTHX_ SV *coro_sv)
1610{ 1692{
1611 return !!(SvSTATE (coro_sv)->flags & CF_READY); 1693 return !!(SvSTATE (coro_sv)->flags & CF_READY);
1612} 1694}
1613 1695
1696/* expects to own a reference to next->hv */
1614INLINE void 1697INLINE void
1615prepare_schedule (pTHX_ struct coro_transfer_args *ta) 1698prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next)
1616{ 1699{
1617 SV *prev_sv, *next_sv;
1618
1619 for (;;)
1620 {
1621 next_sv = coro_deq (aTHX);
1622
1623 /* nothing to schedule: call the idle handler */
1624 if (expect_false (!next_sv))
1625 {
1626 dSP;
1627
1628 ENTER;
1629 SAVETMPS;
1630
1631 PUSHMARK (SP);
1632 PUTBACK;
1633 call_sv (get_sv ("Coro::idle", FALSE), G_VOID | G_DISCARD);
1634
1635 FREETMPS;
1636 LEAVE;
1637 continue;
1638 }
1639
1640 ta->next = SvSTATE_hv (next_sv);
1641
1642 /* cannot transfer to destroyed coros, skip and look for next */
1643 if (expect_false (ta->next->flags & CF_DESTROYED))
1644 {
1645 SvREFCNT_dec (next_sv);
1646 /* coro_nready has already been taken care of by destroy */
1647 continue;
1648 }
1649
1650 --coro_nready;
1651 break;
1652 }
1653
1654 /* free this only after the transfer */
1655 prev_sv = SvRV (coro_current); 1700 SV *prev_sv = SvRV (coro_current);
1701
1656 ta->prev = SvSTATE_hv (prev_sv); 1702 ta->prev = SvSTATE_hv (prev_sv);
1703 ta->next = next;
1704
1657 TRANSFER_CHECK (*ta); 1705 TRANSFER_CHECK (*ta);
1658 assert (("FATAL: next coroutine isn't marked as ready in Coro (please report)", ta->next->flags & CF_READY)); 1706
1659 ta->next->flags &= ~CF_READY;
1660 SvRV_set (coro_current, next_sv); 1707 SvRV_set (coro_current, (SV *)next->hv);
1661 1708
1662 free_coro_mortal (aTHX); 1709 free_coro_mortal (aTHX);
1663 coro_mortal = prev_sv; 1710 coro_mortal = prev_sv;
1664} 1711}
1665 1712
1713static void
1714prepare_schedule (pTHX_ struct coro_transfer_args *ta)
1715{
1716 for (;;)
1717 {
1718 struct coro *next = coro_deq (aTHX);
1719
1720 if (expect_true (next))
1721 {
1722 /* cannot transfer to destroyed coros, skip and look for next */
1723 if (expect_false (next->flags & (CF_DESTROYED | CF_SUSPENDED)))
1724 SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */
1725 else
1726 {
1727 next->flags &= ~CF_READY;
1728 --coro_nready;
1729
1730 prepare_schedule_to (aTHX_ ta, next);
1731 break;
1732 }
1733 }
1734 else
1735 {
1736 /* nothing to schedule: call the idle handler */
1737 if (SvROK (sv_idle)
1738 && SvOBJECT (SvRV (sv_idle)))
1739 {
1740 ++coro_nready; /* hack so that api_ready doesn't invoke ready hook */
1741 api_ready (aTHX_ SvRV (sv_idle));
1742 --coro_nready;
1743 }
1744 else
1745 {
1746 dSP;
1747
1748 ENTER;
1749 SAVETMPS;
1750
1751 PUSHMARK (SP);
1752 PUTBACK;
1753 call_sv (sv_idle, G_VOID | G_DISCARD);
1754
1755 FREETMPS;
1756 LEAVE;
1757 }
1758 }
1759 }
1760}
1761
1666INLINE void 1762INLINE void
1667prepare_cede (pTHX_ struct coro_transfer_args *ta) 1763prepare_cede (pTHX_ struct coro_transfer_args *ta)
1668{ 1764{
1669 api_ready (aTHX_ coro_current); 1765 api_ready (aTHX_ coro_current);
1670 prepare_schedule (aTHX_ ta); 1766 prepare_schedule (aTHX_ ta);
… …
1689{ 1785{
1690 struct coro_transfer_args ta; 1786 struct coro_transfer_args ta;
1691 1787
1692 prepare_schedule (aTHX_ &ta); 1788 prepare_schedule (aTHX_ &ta);
1693 TRANSFER (ta, 1); 1789 TRANSFER (ta, 1);
1790}
1791
1792static void
1793api_schedule_to (pTHX_ SV *coro_sv)
1794{
1795 struct coro_transfer_args ta;
1796 struct coro *next = SvSTATE (coro_sv);
1797
1798 SvREFCNT_inc_NN (coro_sv);
1799 prepare_schedule_to (aTHX_ &ta, next);
1694} 1800}
1695 1801
1696static int 1802static int
1697api_cede (pTHX) 1803api_cede (pTHX)
1698{ 1804{
… …
1727static void 1833static void
1728api_trace (pTHX_ SV *coro_sv, int flags) 1834api_trace (pTHX_ SV *coro_sv, int flags)
1729{ 1835{
1730 struct coro *coro = SvSTATE (coro_sv); 1836 struct coro *coro = SvSTATE (coro_sv);
1731 1837
1838 if (coro->flags & CF_RUNNING)
1839 croak ("cannot enable tracing on a running coroutine, caught");
1840
1732 if (flags & CC_TRACE) 1841 if (flags & CC_TRACE)
1733 { 1842 {
1734 if (!coro->cctx) 1843 if (!coro->cctx)
1735 coro->cctx = cctx_new_run (); 1844 coro->cctx = cctx_new_run ();
1736 else if (!(coro->cctx->flags & CC_TRACE)) 1845 else if (!(coro->cctx->flags & CC_TRACE))
1737 croak ("cannot enable tracing on coroutine with custom stack,"); 1846 croak ("cannot enable tracing on coroutine with custom stack, caught");
1738 1847
1739 coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL)); 1848 coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL));
1740 } 1849 }
1741 else if (coro->cctx && coro->cctx->flags & CC_TRACE) 1850 else if (coro->cctx && coro->cctx->flags & CC_TRACE)
1742 { 1851 {
… …
1745 if (coro->flags & CF_RUNNING) 1854 if (coro->flags & CF_RUNNING)
1746 PL_runops = RUNOPS_DEFAULT; 1855 PL_runops = RUNOPS_DEFAULT;
1747 else 1856 else
1748 coro->slot->runops = RUNOPS_DEFAULT; 1857 coro->slot->runops = RUNOPS_DEFAULT;
1749 } 1858 }
1859}
1860
1861static void
1862coro_call_on_destroy (pTHX_ struct coro *coro)
1863{
1864 SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0);
1865 SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0);
1866
1867 if (on_destroyp)
1868 {
1869 AV *on_destroy = (AV *)SvRV (*on_destroyp);
1870
1871 while (AvFILLp (on_destroy) >= 0)
1872 {
1873 dSP; /* don't disturb outer sp */
1874 SV *cb = av_pop (on_destroy);
1875
1876 PUSHMARK (SP);
1877
1878 if (statusp)
1879 {
1880 int i;
1881 AV *status = (AV *)SvRV (*statusp);
1882 EXTEND (SP, AvFILLp (status) + 1);
1883
1884 for (i = 0; i <= AvFILLp (status); ++i)
1885 PUSHs (AvARRAY (status)[i]);
1886 }
1887
1888 PUTBACK;
1889 call_sv (sv_2mortal (cb), G_VOID | G_DISCARD);
1890 }
1891 }
1892}
1893
1894static void
1895slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
1896{
1897 int i;
1898 HV *hv = (HV *)SvRV (coro_current);
1899 AV *av = newAV ();
1900
1901 av_extend (av, items - 1);
1902 for (i = 0; i < items; ++i)
1903 av_push (av, SvREFCNT_inc_NN (arg [i]));
1904
1905 hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0);
1906
1907 av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */
1908 api_ready (aTHX_ sv_manager);
1909
1910 frame->prepare = prepare_schedule;
1911 frame->check = slf_check_repeat;
1912
1913 /* as a minor optimisation, we could unwind all stacks here */
1914 /* but that puts extra pressure on pp_slf, and is not worth much */
1915 /*coro_unwind_stacks (aTHX);*/
1750} 1916}
1751 1917
1752/*****************************************************************************/ 1918/*****************************************************************************/
1753/* async pool handler */ 1919/* async pool handler */
1754 1920
… …
1837 SV *data = (SV *)GENSUB_ARG; 2003 SV *data = (SV *)GENSUB_ARG;
1838 2004
1839 if (SvTYPE (SvRV (data)) != SVt_PVAV) 2005 if (SvTYPE (SvRV (data)) != SVt_PVAV)
1840 { 2006 {
1841 /* first call, set args */ 2007 /* first call, set args */
2008 SV *coro = SvRV (data);
1842 AV *av = newAV (); 2009 AV *av = newAV ();
1843 SV *coro = SvRV (data);
1844 2010
1845 SvRV_set (data, (SV *)av); 2011 SvRV_set (data, (SV *)av);
1846 api_ready (aTHX_ coro);
1847 SvREFCNT_dec (coro);
1848 2012
1849 /* better take a full copy of the arguments */ 2013 /* better take a full copy of the arguments */
1850 while (items--) 2014 while (items--)
1851 av_store (av, items, newSVsv (ST (items))); 2015 av_store (av, items, newSVsv (ST (items)));
2016
2017 api_ready (aTHX_ coro);
2018 SvREFCNT_dec (coro);
1852 } 2019 }
1853 2020
1854 XSRETURN_EMPTY; 2021 XSRETURN_EMPTY;
1855} 2022}
1856 2023
… …
1873 2040
1874 EXTEND (SP, AvFILLp (av) + 1); 2041 EXTEND (SP, AvFILLp (av) + 1);
1875 for (i = 0; i <= AvFILLp (av); ++i) 2042 for (i = 0; i <= AvFILLp (av); ++i)
1876 PUSHs (sv_2mortal (AvARRAY (av)[i])); 2043 PUSHs (sv_2mortal (AvARRAY (av)[i]));
1877 2044
1878 /* we have stolen the elements, so ste length to zero and free */ 2045 /* we have stolen the elements, so set length to zero and free */
1879 AvFILLp (av) = -1; 2046 AvFILLp (av) = -1;
1880 av_undef (av); 2047 av_undef (av);
1881 2048
1882 PUTBACK; 2049 PUTBACK;
1883 } 2050 }
… …
1987static void 2154static void
1988slf_init_schedule (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) 2155slf_init_schedule (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
1989{ 2156{
1990 frame->prepare = prepare_schedule; 2157 frame->prepare = prepare_schedule;
1991 frame->check = slf_check_nop; 2158 frame->check = slf_check_nop;
2159}
2160
2161static void
2162slf_prepare_schedule_to (pTHX_ struct coro_transfer_args *ta)
2163{
2164 struct coro *next = (struct coro *)slf_frame.data;
2165
2166 SvREFCNT_inc_NN (next->hv);
2167 prepare_schedule_to (aTHX_ ta, next);
2168}
2169
2170static void
2171slf_init_schedule_to (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
2172{
2173 if (!items)
2174 croak ("Coro::schedule_to expects a coroutine argument, caught");
2175
2176 frame->data = (void *)SvSTATE (arg [0]);
2177 frame->prepare = slf_prepare_schedule_to;
2178 frame->check = slf_check_nop;
2179}
2180
2181static void
2182slf_init_cede_to (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
2183{
2184 api_ready (aTHX_ SvRV (coro_current));
2185
2186 slf_init_schedule_to (aTHX_ frame, cv, arg, items);
1992} 2187}
1993 2188
1994static void 2189static void
1995slf_init_cede (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items) 2190slf_init_cede (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
1996{ 2191{
… …
2142 } 2337 }
2143 else 2338 else
2144 slf_argc = 0; 2339 slf_argc = 0;
2145 2340
2146 PL_op->op_ppaddr = pp_slf; 2341 PL_op->op_ppaddr = pp_slf;
2147 PL_op->op_type = OP_CUSTOM; /* maybe we should leave it at entersub? */ 2342 /*PL_op->op_type = OP_CUSTOM; /* we do behave like entersub still */
2148 2343
2149 PL_op = (OP *)&slf_restore; 2344 PL_op = (OP *)&slf_restore;
2345}
2346
2347/*****************************************************************************/
2348/* dynamic wind */
2349
2350static void
2351on_enterleave_call (pTHX_ SV *cb)
2352{
2353 dSP;
2354
2355 PUSHSTACK;
2356
2357 PUSHMARK (SP);
2358 PUTBACK;
2359 call_sv (cb, G_VOID | G_DISCARD);
2360 SPAGAIN;
2361
2362 POPSTACK;
2363}
2364
2365static SV *
2366coro_avp_pop_and_free (pTHX_ AV **avp)
2367{
2368 AV *av = *avp;
2369 SV *res = av_pop (av);
2370
2371 if (AvFILLp (av) < 0)
2372 {
2373 *avp = 0;
2374 SvREFCNT_dec (av);
2375 }
2376
2377 return res;
2378}
2379
2380static void
2381coro_pop_on_enter (pTHX_ void *coro)
2382{
2383 SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_enter);
2384 SvREFCNT_dec (cb);
2385}
2386
2387static void
2388coro_pop_on_leave (pTHX_ void *coro)
2389{
2390 SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_leave);
2391 on_enterleave_call (aTHX_ sv_2mortal (cb));
2150} 2392}
2151 2393
2152/*****************************************************************************/ 2394/*****************************************************************************/
2153/* PerlIO::cede */ 2395/* PerlIO::cede */
2154 2396
… …
2235 SV **ary; 2477 SV **ary;
2236 2478
2237 /* unfortunately, building manually saves memory */ 2479 /* unfortunately, building manually saves memory */
2238 Newx (ary, 2, SV *); 2480 Newx (ary, 2, SV *);
2239 AvALLOC (av) = ary; 2481 AvALLOC (av) = ary;
2482#if PERL_VERSION_ATLEAST (5,10,0)
2240 /*AvARRAY (av) = ary;*/ 2483 AvARRAY (av) = ary;
2484#else
2241 SvPVX ((SV *)av) = (char *)ary; /* 5.8.8 needs this syntax instead of AvARRAY = ary */ 2485 /* 5.8.8 needs this syntax instead of AvARRAY = ary, yet */
2486 /* -DDEBUGGING flags this as a bug, despite it perfectly working */
2487 SvPVX ((SV *)av) = (char *)ary;
2488#endif
2242 AvMAX (av) = 1; 2489 AvMAX (av) = 1;
2243 AvFILLp (av) = 0; 2490 AvFILLp (av) = 0;
2244 ary [0] = newSViv (count); 2491 ary [0] = newSViv (count);
2245 2492
2246 return newRV_noinc ((SV *)av); 2493 return newRV_noinc ((SV *)av);
… …
2616 XSRETURN_EMPTY; 2863 XSRETURN_EMPTY;
2617} 2864}
2618 2865
2619/*****************************************************************************/ 2866/*****************************************************************************/
2620 2867
2868#if CORO_CLONE
2869# include "clone.c"
2870#endif
2871
2621MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_ 2872MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
2622 2873
2623PROTOTYPES: DISABLE 2874PROTOTYPES: DISABLE
2624 2875
2625BOOT: 2876BOOT:
… …
2629 coro_thx = PERL_GET_CONTEXT; 2880 coro_thx = PERL_GET_CONTEXT;
2630# endif 2881# endif
2631#endif 2882#endif
2632 BOOT_PAGESIZE; 2883 BOOT_PAGESIZE;
2633 2884
2885 cctx_current = cctx_new_empty ();
2886
2634 irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV); 2887 irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV);
2635 stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); 2888 stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO);
2636 2889
2637 orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get; 2890 orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;
2638 orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set; 2891 orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;
… …
2657 2910
2658 { 2911 {
2659 SV *slf = sv_2mortal (newSViv (PTR2IV (pp_slf))); 2912 SV *slf = sv_2mortal (newSViv (PTR2IV (pp_slf)));
2660 2913
2661 if (!PL_custom_op_names) PL_custom_op_names = newHV (); 2914 if (!PL_custom_op_names) PL_custom_op_names = newHV ();
2662 hv_store_ent (PL_custom_op_names, slf, 2915 hv_store_ent (PL_custom_op_names, slf, newSVpv ("coro_slf", 0), 0);
2663 newSVpv ("coro_slf", 0), 0);
2664 2916
2665 if (!PL_custom_op_descs) PL_custom_op_descs = newHV (); 2917 if (!PL_custom_op_descs) PL_custom_op_descs = newHV ();
2666 hv_store_ent (PL_custom_op_descs, slf, 2918 hv_store_ent (PL_custom_op_descs, slf, newSVpv ("coro schedule like function", 0), 0);
2667 newSVpv ("coro schedule like function", 0), 0);
2668 } 2919 }
2669 2920
2670 coroapi.ver = CORO_API_VERSION; 2921 coroapi.ver = CORO_API_VERSION;
2671 coroapi.rev = CORO_API_REVISION; 2922 coroapi.rev = CORO_API_REVISION;
2672 2923
… …
2765void 3016void
2766_exit (int code) 3017_exit (int code)
2767 PROTOTYPE: $ 3018 PROTOTYPE: $
2768 CODE: 3019 CODE:
2769 _exit (code); 3020 _exit (code);
3021
3022SV *
3023clone (Coro::State coro)
3024 CODE:
3025{
3026#if CORO_CLONE
3027 struct coro *ncoro = coro_clone (aTHX_ coro);
3028 MAGIC *mg;
3029 /* TODO: too much duplication */
3030 ncoro->hv = newHV ();
3031 mg = sv_magicext ((SV *)ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)ncoro, 0);
3032 mg->mg_flags |= MGf_DUP;
3033 RETVAL = sv_bless (newRV_noinc ((SV *)ncoro->hv), SvSTASH (coro->hv));
3034#else
3035 croak ("Coro::State->clone has not been configured into this installation of Coro, realised");
3036#endif
3037}
3038 OUTPUT:
3039 RETVAL
2770 3040
2771int 3041int
2772cctx_stacksize (int new_stacksize = 0) 3042cctx_stacksize (int new_stacksize = 0)
2773 PROTOTYPE: ;$ 3043 PROTOTYPE: ;$
2774 CODE: 3044 CODE:
… …
2824 eval = 1 3094 eval = 1
2825 CODE: 3095 CODE:
2826{ 3096{
2827 if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot)) 3097 if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot))
2828 { 3098 {
2829 struct coro temp; 3099 struct coro *current = SvSTATE_current;
2830 3100
2831 if (!(coro->flags & CF_RUNNING)) 3101 if (current != coro)
2832 { 3102 {
2833 PUTBACK; 3103 PUTBACK;
2834 save_perl (aTHX_ &temp); 3104 save_perl (aTHX_ current);
2835 load_perl (aTHX_ coro); 3105 load_perl (aTHX_ coro);
3106 SPAGAIN;
2836 } 3107 }
2837 3108
2838 {
2839 dSP;
2840 ENTER;
2841 SAVETMPS;
2842 PUTBACK;
2843 PUSHSTACK; 3109 PUSHSTACK;
3110
2844 PUSHMARK (SP); 3111 PUSHMARK (SP);
3112 PUTBACK;
2845 3113
2846 if (ix) 3114 if (ix)
2847 eval_sv (coderef, 0); 3115 eval_sv (coderef, 0);
2848 else 3116 else
2849 call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD); 3117 call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
2850 3118
2851 POPSTACK; 3119 POPSTACK;
2852 SPAGAIN; 3120 SPAGAIN;
2853 FREETMPS;
2854 LEAVE;
2855 PUTBACK;
2856 }
2857 3121
2858 if (!(coro->flags & CF_RUNNING)) 3122 if (current != coro)
2859 { 3123 {
3124 PUTBACK;
2860 save_perl (aTHX_ coro); 3125 save_perl (aTHX_ coro);
2861 load_perl (aTHX_ &temp); 3126 load_perl (aTHX_ current);
2862 SPAGAIN; 3127 SPAGAIN;
2863 } 3128 }
2864 } 3129 }
2865} 3130}
2866 3131
… …
2870 ALIAS: 3135 ALIAS:
2871 is_ready = CF_READY 3136 is_ready = CF_READY
2872 is_running = CF_RUNNING 3137 is_running = CF_RUNNING
2873 is_new = CF_NEW 3138 is_new = CF_NEW
2874 is_destroyed = CF_DESTROYED 3139 is_destroyed = CF_DESTROYED
3140 is_suspended = CF_SUSPENDED
2875 CODE: 3141 CODE:
2876 RETVAL = boolSV (coro->flags & ix); 3142 RETVAL = boolSV (coro->flags & ix);
2877 OUTPUT: 3143 OUTPUT:
2878 RETVAL 3144 RETVAL
2879 3145
… …
2895 3161
2896SV * 3162SV *
2897has_cctx (Coro::State coro) 3163has_cctx (Coro::State coro)
2898 PROTOTYPE: $ 3164 PROTOTYPE: $
2899 CODE: 3165 CODE:
2900 RETVAL = boolSV (!!coro->cctx); 3166 /* maybe manage the running flag differently */
3167 RETVAL = boolSV (!!coro->cctx || (coro->flags & CF_RUNNING));
2901 OUTPUT: 3168 OUTPUT:
2902 RETVAL 3169 RETVAL
2903 3170
2904int 3171int
2905is_traced (Coro::State coro) 3172is_traced (Coro::State coro)
… …
2925 3192
2926void 3193void
2927force_cctx () 3194force_cctx ()
2928 PROTOTYPE: 3195 PROTOTYPE:
2929 CODE: 3196 CODE:
2930 SvSTATE_current->cctx->idle_sp = 0; 3197 cctx_current->idle_sp = 0;
2931 3198
2932void 3199void
2933swap_defsv (Coro::State self) 3200swap_defsv (Coro::State self)
2934 PROTOTYPE: $ 3201 PROTOTYPE: $
2935 ALIAS: 3202 ALIAS:
… …
2943 SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv; 3210 SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv;
2944 3211
2945 SV *tmp = *src; *src = *dst; *dst = tmp; 3212 SV *tmp = *src; *src = *dst; *dst = tmp;
2946 } 3213 }
2947 3214
3215void
3216cancel (Coro::State self)
3217 CODE:
3218 coro_state_destroy (aTHX_ self);
3219 coro_call_on_destroy (aTHX_ self); /* actually only for Coro objects */
3220
2948 3221
2949MODULE = Coro::State PACKAGE = Coro 3222MODULE = Coro::State PACKAGE = Coro
2950 3223
2951BOOT: 3224BOOT:
2952{ 3225{
2953 int i;
2954
2955 av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
2956 sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE); 3226 sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
2957 sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE); 3227 sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
2958 cv_coro_run = get_cv ( "Coro::_terminate", GV_ADD); 3228 cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD);
2959 cv_coro_terminate = get_cv ( "Coro::terminate", GV_ADD); 3229 cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD);
2960 coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); 3230 coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);
2961 SvREADONLY_on (coro_current); 3231 av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
3232 av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE);
3233 sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE);
3234 sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE);
2962 3235
2963 sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle); 3236 sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle);
2964 sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro); 3237 sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro);
2965 cv_pool_handler = get_cv ("Coro::_pool_handler", 0); SvREADONLY_on (cv_pool_handler); 3238 cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler);
2966 cv_coro_new = get_cv ("Coro::new", 0); SvREADONLY_on (cv_coro_new); 3239 cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new);
2967 3240
2968 coro_stash = gv_stashpv ("Coro", TRUE); 3241 coro_stash = gv_stashpv ("Coro", TRUE);
2969 3242
2970 newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX)); 3243 newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
2971 newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH)); 3244 newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
2972 newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL)); 3245 newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
2973 newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW)); 3246 newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
2974 newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE)); 3247 newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));
2975 newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN)); 3248 newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));
2976 3249
2977 for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
2978 coro_ready[i] = newAV ();
2979
2980 { 3250 {
2981 SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE); 3251 SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);
2982 3252
2983 coroapi.schedule = api_schedule; 3253 coroapi.schedule = api_schedule;
3254 coroapi.schedule_to = api_schedule_to;
2984 coroapi.cede = api_cede; 3255 coroapi.cede = api_cede;
2985 coroapi.cede_notself = api_cede_notself; 3256 coroapi.cede_notself = api_cede_notself;
2986 coroapi.ready = api_ready; 3257 coroapi.ready = api_ready;
2987 coroapi.is_ready = api_is_ready; 3258 coroapi.is_ready = api_is_ready;
2988 coroapi.nready = coro_nready; 3259 coroapi.nready = coro_nready;
… …
2993 SvREADONLY_on (sv); 3264 SvREADONLY_on (sv);
2994 } 3265 }
2995} 3266}
2996 3267
2997void 3268void
3269terminate (...)
3270 CODE:
3271 CORO_EXECUTE_SLF_XS (slf_init_terminate);
3272
3273void
2998schedule (...) 3274schedule (...)
2999 CODE: 3275 CODE:
3000 CORO_EXECUTE_SLF_XS (slf_init_schedule); 3276 CORO_EXECUTE_SLF_XS (slf_init_schedule);
3277
3278void
3279schedule_to (...)
3280 CODE:
3281 CORO_EXECUTE_SLF_XS (slf_init_schedule_to);
3282
3283void
3284cede_to (...)
3285 CODE:
3286 CORO_EXECUTE_SLF_XS (slf_init_cede_to);
3001 3287
3002void 3288void
3003cede (...) 3289cede (...)
3004 CODE: 3290 CODE:
3005 CORO_EXECUTE_SLF_XS (slf_init_cede); 3291 CORO_EXECUTE_SLF_XS (slf_init_cede);
… …
3061 RETVAL = coro_nready; 3347 RETVAL = coro_nready;
3062 OUTPUT: 3348 OUTPUT:
3063 RETVAL 3349 RETVAL
3064 3350
3065void 3351void
3352suspend (Coro::State self)
3353 PROTOTYPE: $
3354 CODE:
3355 self->flags |= CF_SUSPENDED;
3356
3357void
3358resume (Coro::State self)
3359 PROTOTYPE: $
3360 CODE:
3361 self->flags &= ~CF_SUSPENDED;
3362
3363void
3066_pool_handler (...) 3364_pool_handler (...)
3067 CODE: 3365 CODE:
3068 CORO_EXECUTE_SLF_XS (slf_init_pool_handler); 3366 CORO_EXECUTE_SLF_XS (slf_init_pool_handler);
3069 3367
3070void 3368void
… …
3086 PUSHMARK (SP); 3384 PUSHMARK (SP);
3087 EXTEND (SP, 2); 3385 EXTEND (SP, 2);
3088 PUSHs (sv_Coro); 3386 PUSHs (sv_Coro);
3089 PUSHs ((SV *)cv_pool_handler); 3387 PUSHs ((SV *)cv_pool_handler);
3090 PUTBACK; 3388 PUTBACK;
3091 call_sv ((SV *)cv_coro_new, G_SCALAR); 3389 call_sv ((SV *)cv_coro_state_new, G_SCALAR);
3092 SPAGAIN; 3390 SPAGAIN;
3093 3391
3094 hv = (HV *)SvREFCNT_inc_NN (SvRV (POPs)); 3392 hv = (HV *)SvREFCNT_inc_NN (SvRV (POPs));
3095 } 3393 }
3096 3394
… …
3122void 3420void
3123rouse_wait (...) 3421rouse_wait (...)
3124 PROTOTYPE: ;$ 3422 PROTOTYPE: ;$
3125 PPCODE: 3423 PPCODE:
3126 CORO_EXECUTE_SLF_XS (slf_init_rouse_wait); 3424 CORO_EXECUTE_SLF_XS (slf_init_rouse_wait);
3425
3426void
3427on_enter (SV *block)
3428 ALIAS:
3429 on_leave = 1
3430 PROTOTYPE: &
3431 CODE:
3432{
3433 struct coro *coro = SvSTATE_current;
3434 AV **avp = ix ? &coro->on_leave : &coro->on_enter;
3435
3436 block = (SV *)coro_sv_2cv (aTHX_ block);
3437
3438 if (!*avp)
3439 *avp = newAV ();
3440
3441 av_push (*avp, SvREFCNT_inc (block));
3442
3443 if (!ix)
3444 on_enterleave_call (aTHX_ block);
3445
3446 LEAVE; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */
3447 SAVEDESTRUCTOR_X (ix ? coro_pop_on_leave : coro_pop_on_enter, (void *)coro);
3448 ENTER; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */
3449}
3127 3450
3128 3451
3129MODULE = Coro::State PACKAGE = PerlIO::cede 3452MODULE = Coro::State PACKAGE = PerlIO::cede
3130 3453
3131BOOT: 3454BOOT:
… …
3142 GvSTASH (CvGV (cv)) 3465 GvSTASH (CvGV (cv))
3143 ); 3466 );
3144 OUTPUT: 3467 OUTPUT:
3145 RETVAL 3468 RETVAL
3146 3469
3147# helper for Coro::Channel 3470# helper for Coro::Channel and others
3148SV * 3471SV *
3149_alloc (int count) 3472_alloc (int count)
3150 CODE: 3473 CODE:
3151 RETVAL = coro_waitarray_new (aTHX_ count); 3474 RETVAL = coro_waitarray_new (aTHX_ count);
3152 OUTPUT: 3475 OUTPUT:
… …
3210 for (i = 1; i <= wcount; ++i) 3533 for (i = 1; i <= wcount; ++i)
3211 PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i]))); 3534 PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i])));
3212 } 3535 }
3213} 3536}
3214 3537
3538MODULE = Coro::State PACKAGE = Coro::SemaphoreSet
3539
3540void
3541_may_delete (SV *sem, int count, int extra_refs)
3542 PPCODE:
3543{
3544 AV *av = (AV *)SvRV (sem);
3545
3546 if (SvREFCNT ((SV *)av) == 1 + extra_refs
3547 && AvFILLp (av) == 0 /* no waiters, just count */
3548 && SvIV (AvARRAY (av)[0]) == count)
3549 XSRETURN_YES;
3550
3551 XSRETURN_NO;
3552}
3553
3215MODULE = Coro::State PACKAGE = Coro::Signal 3554MODULE = Coro::State PACKAGE = Coro::Signal
3216 3555
3217SV * 3556SV *
3218new (SV *klass) 3557new (SV *klass)
3219 CODE: 3558 CODE:

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