[ViewVC] Diff of: cvs/Coro/Coro/State.xs

Comparing Coro/Coro/State.xs (file contents):
Revision 1.319 by root, Thu Nov 20 07:25:01 2008 UTC vs.
Revision 1.355 by root, Wed Jun 24 02:52:38 2009 UTC

…		…
101	# define CvISXSUB_on(cv) (void)cv	101	# define CvISXSUB_on(cv) (void)cv
102	#endif	102	#endif
103	#ifndef CvISXSUB	103	#ifndef CvISXSUB
104	# define CvISXSUB(cv) (CvXSUB (cv) ? TRUE : FALSE)	104	# define CvISXSUB(cv) (CvXSUB (cv) ? TRUE : FALSE)
105	#endif	105	#endif
		106	#ifndef Newx
		107	# define Newx(ptr,nitems,type) New (0,ptr,nitems,type)
		108	#endif
106		109
107	/* 5.8.7 */	110	/* 5.8.7 */
108	#ifndef SvRV_set	111	#ifndef SvRV_set
109	# define SvRV_set(s,v) SvRV(s) = (v)	112	# define SvRV_set(s,v) SvRV(s) = (v)
110	#endif	113	#endif
…		…
130	#else	133	#else
131	# define dSTACKLEVEL volatile void *stacklevel	134	# define dSTACKLEVEL volatile void *stacklevel
132	# define STACKLEVEL ((void *)&stacklevel)	135	# define STACKLEVEL ((void *)&stacklevel)
133	#endif	136	#endif
134		137
135	#define IN_DESTRUCT (PL_main_cv == Nullcv)	138	#define IN_DESTRUCT PL_dirty
136		139
137	#if __GNUC__ >= 3	140	#if __GNUC__ >= 3
138	# define attribute(x) __attribute__(x)	141	# define attribute(x) __attribute__(x)
139	# define expect(expr,value) __builtin_expect ((expr),(value))	142	# define expect(expr,value) __builtin_expect ((expr), (value))
140	# define INLINE static inline	143	# define INLINE static inline
141	#else	144	#else
142	# define attribute(x)	145	# define attribute(x)
143	# define expect(expr,value) (expr)	146	# define expect(expr,value) (expr)
144	# define INLINE static	147	# define INLINE static
…		…
172	static HV coro_state_stash, coro_stash;	175	static HV coro_state_stash, coro_stash;
173	static volatile SV coro_mortal; / will be freed/thrown after next transfer */	176	static volatile SV coro_mortal; / will be freed/thrown after next transfer */
174		177
175	static AV av_destroy; / destruction queue */	178	static AV av_destroy; / destruction queue */
176	static SV sv_manager; / the manager coro */	179	static SV sv_manager; / the manager coro */
		180	static SV sv_idle; / $Coro::idle */
177		181
178	static GV irsgv; / $/ */	182	static GV irsgv; / $/ */
179	static GV stdoutgv; / STDOUT /	183	static GV stdoutgv; / STDOUT /
180	static SV *rv_diehook;	184	static SV *rv_diehook;
181	static SV *rv_warnhook;	185	static SV *rv_warnhook;
…		…
225	int valgrind_id;	229	int valgrind_id;
226	#endif	230	#endif
227	unsigned char flags;	231	unsigned char flags;
228	} coro_cctx;	232	} coro_cctx;
229		233
		234	coro_cctx cctx_current; / the currently running cctx */
		235
		236	/*****************************************************************************/
		237
230	enum {	238	enum {
231	CF_RUNNING = 0x0001, /* coroutine is running */	239	CF_RUNNING = 0x0001, /* coroutine is running */
232	CF_READY = 0x0002, /* coroutine is ready */	240	CF_READY = 0x0002, /* coroutine is ready */
233	CF_NEW = 0x0004, /* has never been switched to */	241	CF_NEW = 0x0004, /* has never been switched to */
234	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 */
235	};	244	};
236		245
237	/* 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 */
238	typedef struct	247	typedef struct
239	{	248	{
240	SV *defsv;	249	SV *defsv;
241	AV *defav;	250	AV *defav;
242	SV *errsv;	251	SV *errsv;
243	SV *irsgv;	252	SV *irsgv;
		253	HV *hinthv;
244	#define VAR(name,type) type name;	254	#define VAR(name,type) type name;
245	# include "state.h"	255	# include "state.h"
246	#undef VAR	256	#undef VAR
247	} perl_slots;	257	} perl_slots;
248		258
…		…
250		260
251	/* this is a structure representing a perl-level coroutine */	261	/* this is a structure representing a perl-level coroutine */
252	struct coro {	262	struct coro {
253	/* the C coroutine allocated to this perl coroutine, if any */	263	/* the C coroutine allocated to this perl coroutine, if any */
254	coro_cctx *cctx;	264	coro_cctx *cctx;
		265
		266	/* ready queue */
		267	struct coro *next_ready;
255		268
256	/* state data */	269	/* state data */
257	struct CoroSLF slf_frame; /* saved slf frame */	270	struct CoroSLF slf_frame; /* saved slf frame */
258	AV *mainstack;	271	AV *mainstack;
259	perl_slots slot; / basically the saved sp */	272	perl_slots slot; / basically the saved sp */
…		…
276	/* async_pool */	289	/* async_pool */
277	SV *saved_deffh;	290	SV *saved_deffh;
278	SV *invoke_cb;	291	SV *invoke_cb;
279	AV *invoke_av;	292	AV *invoke_av;
280		293
		294	/* on_enter/on_leave */
		295	AV *on_enter;
		296	AV *on_leave;
		297
281	/* linked list */	298	/* linked list */
282	struct coro next, prev;	299	struct coro next, prev;
283	};	300	};
284		301
285	typedef struct coro *Coro__State;	302	typedef struct coro *Coro__State;
…		…
300	#define PRIO_MIN -4	317	#define PRIO_MIN -4
301		318
302	/* for Coro.pm */	319	/* for Coro.pm */
303	static SV *coro_current;	320	static SV *coro_current;
304	static SV *coro_readyhook;	321	static SV *coro_readyhook;
305	static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1];	322	static struct coro coro_ready [PRIO_MAX - PRIO_MIN + 1][2]; / head\|tail */
306	static CV cv_coro_run, cv_coro_terminate;	323	static CV cv_coro_run, cv_coro_terminate;
307	static struct coro *coro_first;	324	static struct coro *coro_first;
308	#define coro_nready coroapi.nready	325	#define coro_nready coroapi.nready
309		326
310	/ lowlevel stuff ********************************************************/	327	/ lowlevel stuff ********************************************************/
…		…
343	INLINE CV *	360	INLINE CV *
344	coro_sv_2cv (pTHX_ SV *sv)	361	coro_sv_2cv (pTHX_ SV *sv)
345	{	362	{
346	HV *st;	363	HV *st;
347	GV *gvp;	364	GV *gvp;
348	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;
349	}	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
		392	INLINE struct coro *
		393	SvSTATE_ (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 */
350		424
351	static AV *	425	static AV *
352	coro_clone_padlist (pTHX_ CV *cv)	426	coro_derive_padlist (pTHX_ CV *cv)
353	{	427	{
354	AV *padlist = CvPADLIST (cv);	428	AV *padlist = CvPADLIST (cv);
355	AV newpadlist, newpad;	429	AV newpadlist, newpad;
356		430
357	newpadlist = newAV ();	431	newpadlist = newAV ();
…		…
362	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);	436	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
363	#endif	437	#endif
364	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];	438	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
365	--AvFILLp (padlist);	439	--AvFILLp (padlist);
366		440
367	av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE)));	441	av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0]));
368	av_store (newpadlist, 1, (SV *)newpad);	442	av_store (newpadlist, 1, (SV *)newpad);
369		443
370	return newpadlist;	444	return newpadlist;
371	}	445	}
372		446
373	static void	447	static void
374	free_padlist (pTHX_ AV *padlist)	448	free_padlist (pTHX_ AV *padlist)
375	{	449	{
376	/* may be during global destruction */	450	/* may be during global destruction */
377	if (SvREFCNT (padlist))	451	if (!IN_DESTRUCT)
378	{	452	{
379	I32 i = AvFILLp (padlist);	453	I32 i = AvFILLp (padlist);
380	while (i >= 0)	454
		455	while (i > 0) /* special-case index 0 */
381	{	456	{
382	SV **svp = av_fetch (padlist, i--, FALSE);	457	/* we try to be extra-careful here */
383	if (svp)	458	AV av = (AV )AvARRAY (padlist)[i--];
384	{	459	I32 j = AvFILLp (av);
385	SV *sv;	460
386	while (&PL_sv_undef != (sv = av_pop ((AV )svp)))	461	while (j >= 0)
		462	SvREFCNT_dec (AvARRAY (av)[j--]);
		463
		464	AvFILLp (av) = -1;
387	SvREFCNT_dec (sv);	465	SvREFCNT_dec (av);
388
389	SvREFCNT_dec (*svp);
390	}
391	}	466	}
392		467
		468	SvREFCNT_dec (AvARRAY (padlist)[0]);
		469
		470	AvFILLp (padlist) = -1;
393	SvREFCNT_dec ((SV*)padlist);	471	SvREFCNT_dec ((SV*)padlist);
394	}	472	}
395	}	473	}
396		474
397	static int	475	static int
…		…
406		484
407	SvREFCNT_dec (av); /* sv_magicext increased the refcount */	485	SvREFCNT_dec (av); /* sv_magicext increased the refcount */
408		486
409	return 0;	487	return 0;
410	}	488	}
411
412	#define CORO_MAGIC_type_cv 26
413	#define CORO_MAGIC_type_state PERL_MAGIC_ext
414		489
415	static MGVTBL coro_cv_vtbl = {	490	static MGVTBL coro_cv_vtbl = {
416	0, 0, 0, 0,	491	0, 0, 0, 0,
417	coro_cv_free	492	coro_cv_free
418	};	493	};
419
420	#define CORO_MAGIC_NN(sv, type) \
421	(expect_true (SvMAGIC (sv)->mg_type == type) \
422	? SvMAGIC (sv) \
423	: mg_find (sv, type))
424
425	#define CORO_MAGIC(sv, type) \
426	(expect_true (SvMAGIC (sv)) \
427	? CORO_MAGIC_NN (sv, type) \
428	: 0)
429
430	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
431	#define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state)
432
433	INLINE struct coro *
434	SvSTATE_ (pTHX_ SV *coro)
435	{
436	HV *stash;
437	MAGIC *mg;
438
439	if (SvROK (coro))
440	coro = SvRV (coro);
441
442	if (expect_false (SvTYPE (coro) != SVt_PVHV))
443	croak ("Coro::State object required");
444
445	stash = SvSTASH (coro);
446	if (expect_false (stash != coro_stash && stash != coro_state_stash))
447	{
448	/* very slow, but rare, check */
449	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
450	croak ("Coro::State object required");
451	}
452
453	mg = CORO_MAGIC_state (coro);
454	return (struct coro *)mg->mg_ptr;
455	}
456
457	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
458
459	/* faster than SvSTATE, but expects a coroutine hv */
460	#define SvSTATE_hv(hv) ((struct coro )CORO_MAGIC_NN ((SV )hv, CORO_MAGIC_type_state)->mg_ptr)
461	#define SvSTATE_current SvSTATE_hv (SvRV (coro_current))
462		494
463	/* the next two functions merely cache the padlists */	495	/* the next two functions merely cache the padlists */
464	static void	496	static void
465	get_padlist (pTHX_ CV *cv)	497	get_padlist (pTHX_ CV *cv)
466	{	498	{
…		…
477	CV *cp = Perl_cv_clone (aTHX_ cv);	509	CV *cp = Perl_cv_clone (aTHX_ cv);
478	CvPADLIST (cv) = CvPADLIST (cp);	510	CvPADLIST (cv) = CvPADLIST (cp);
479	CvPADLIST (cp) = 0;	511	CvPADLIST (cp) = 0;
480	SvREFCNT_dec (cp);	512	SvREFCNT_dec (cp);
481	#else	513	#else
482	CvPADLIST (cv) = coro_clone_padlist (aTHX_ cv);	514	CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv);
483	#endif	515	#endif
484	}	516	}
485	}	517	}
486		518
487	static void	519	static void
…		…
494	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);
495		527
496	av = (AV *)mg->mg_obj;	528	av = (AV *)mg->mg_obj;
497		529
498	if (expect_false (AvFILLp (av) >= AvMAX (av)))	530	if (expect_false (AvFILLp (av) >= AvMAX (av)))
499	av_extend (av, AvMAX (av) + 1);	531	av_extend (av, AvFILLp (av) + 1);
500		532
501	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);	533	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
502	}	534	}
503		535
504	/ load & save, init *****************************************************/	536	/ load & save, init *****************************************************/
		537
		538	static void
		539	on_enterleave_call (pTHX_ SV *cb);
505		540
506	static void	541	static void
507	load_perl (pTHX_ Coro__State c)	542	load_perl (pTHX_ Coro__State c)
508	{	543	{
509	perl_slots *slot = c->slot;	544	perl_slots *slot = c->slot;
510	c->slot = 0;	545	c->slot = 0;
511		546
512	PL_mainstack = c->mainstack;	547	PL_mainstack = c->mainstack;
513		548
514	GvSV (PL_defgv) = slot->defsv;	549	GvSV (PL_defgv) = slot->defsv;
515	GvAV (PL_defgv) = slot->defav;	550	GvAV (PL_defgv) = slot->defav;
516	GvSV (PL_errgv) = slot->errsv;	551	GvSV (PL_errgv) = slot->errsv;
517	GvSV (irsgv) = slot->irsgv;	552	GvSV (irsgv) = slot->irsgv;
		553	GvHV (PL_hintgv) = slot->hinthv;
518		554
519	#define VAR(name,type) PL_ ## name = slot->name;	555	#define VAR(name,type) PL_ ## name = slot->name;
520	# include "state.h"	556	# include "state.h"
521	#undef VAR	557	#undef VAR
522		558
…		…
536	PUTBACK;	572	PUTBACK;
537	}	573	}
538		574
539	slf_frame = c->slf_frame;	575	slf_frame = c->slf_frame;
540	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	}
541	}	585	}
542		586
543	static void	587	static void
544	save_perl (pTHX_ Coro__State c)	588	save_perl (pTHX_ Coro__State c)
545	{	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
546	c->except = CORO_THROW;	598	c->except = CORO_THROW;
547	c->slf_frame = slf_frame;	599	c->slf_frame = slf_frame;
548		600
549	{	601	{
550	dSP;	602	dSP;
…		…
563	{	615	{
564	while (expect_true (cxix >= 0))	616	while (expect_true (cxix >= 0))
565	{	617	{
566	PERL_CONTEXT *cx = &ccstk[cxix--];	618	PERL_CONTEXT *cx = &ccstk[cxix--];
567		619
568	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))
569	{	621	{
570	CV *cv = cx->blk_sub.cv;	622	CV *cv = cx->blk_sub.cv;
571		623
572	if (expect_true (CvDEPTH (cv)))	624	if (expect_true (CvDEPTH (cv)))
573	{	625	{
…		…
608	c->mainstack = PL_mainstack;	660	c->mainstack = PL_mainstack;
609		661
610	{	662	{
611	perl_slots slot = c->slot = (perl_slots )(cxstack + cxstack_ix + 1);	663	perl_slots slot = c->slot = (perl_slots )(cxstack + cxstack_ix + 1);
612		664
613	slot->defav = GvAV (PL_defgv);	665	slot->defav = GvAV (PL_defgv);
614	slot->defsv = DEFSV;	666	slot->defsv = DEFSV;
615	slot->errsv = ERRSV;	667	slot->errsv = ERRSV;
616	slot->irsgv = GvSV (irsgv);	668	slot->irsgv = GvSV (irsgv);
		669	slot->hinthv = GvHV (PL_hintgv);
617		670
618	#define VAR(name,type) slot->name = PL_ ## name;	671	#define VAR(name,type) slot->name = PL_ ## name;
619	# include "state.h"	672	# include "state.h"
620	#undef VAR	673	#undef VAR
621	}	674	}
…		…
748	#endif	801	#endif
749		802
750	/*	803	/*
751	* This overrides the default magic get method of %SIG elements.	804	* This overrides the default magic get method of %SIG elements.
752	* 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
753	* 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
754	* readback here.	807	* readback here.
755	* We only do this when the hook is != 0, as they are often set to 0 temporarily,
756	* not expecting this to actually change the hook. This is a potential problem
757	* when a schedule happens then, but we ignore this.
758	*/	808	*/
759	static int	809	static int
760	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)	810	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)
761	{	811	{
762	const char *s = MgPV_nolen_const (mg);	812	const char *s = MgPV_nolen_const (mg);
…		…
815	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;	865	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
816		866
817	if (svp)	867	if (svp)
818	{	868	{
819	SV old = svp;	869	SV old = svp;
820	*svp = newSVsv (sv);	870	*svp = SvOK (sv) ? newSVsv (sv) : 0;
821	SvREFCNT_dec (old);	871	SvREFCNT_dec (old);
822	return 0;	872	return 0;
823	}	873	}
824	}	874	}
825		875
…		…
857		907
858	PL_runops = RUNOPS_DEFAULT;	908	PL_runops = RUNOPS_DEFAULT;
859	PL_curcop = &PL_compiling;	909	PL_curcop = &PL_compiling;
860	PL_in_eval = EVAL_NULL;	910	PL_in_eval = EVAL_NULL;
861	PL_comppad = 0;	911	PL_comppad = 0;
		912	PL_comppad_name = 0;
		913	PL_comppad_name_fill = 0;
		914	PL_comppad_name_floor = 0;
862	PL_curpm = 0;	915	PL_curpm = 0;
863	PL_curpad = 0;	916	PL_curpad = 0;
864	PL_localizing = 0;	917	PL_localizing = 0;
865	PL_dirty = 0;	918	PL_dirty = 0;
866	PL_restartop = 0;	919	PL_restartop = 0;
867	#if PERL_VERSION_ATLEAST (5,10,0)	920	#if PERL_VERSION_ATLEAST (5,10,0)
868	PL_parser = 0;	921	PL_parser = 0;
869	#endif	922	#endif
		923	PL_hints = 0;
870		924
871	/* recreate the die/warn hooks */	925	/* recreate the die/warn hooks */
872	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 );
873	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);
874		928
875	GvSV (PL_defgv) = newSV (0);	929	GvSV (PL_defgv) = newSV (0);
876	GvAV (PL_defgv) = coro->args; coro->args = 0;	930	GvAV (PL_defgv) = coro->args; coro->args = 0;
877	GvSV (PL_errgv) = newSV (0);	931	GvSV (PL_errgv) = newSV (0);
878	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;
879	PL_rs = newSVsv (GvSV (irsgv));	934	PL_rs = newSVsv (GvSV (irsgv));
880	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);	935	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);
881		936
882	{	937	{
883	dSP;	938	dSP;
…		…
901	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 */
902	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 */
903		958
904	/* 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 */
905	coro_setup_op.op_next = PL_op;	960	coro_setup_op.op_next = PL_op;
906	coro_setup_op.op_type = OP_CUSTOM;	961	coro_setup_op.op_type = OP_ENTERSUB;
907	coro_setup_op.op_ppaddr = pp_slf;	962	coro_setup_op.op_ppaddr = pp_slf;
908	/* 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 */
909		964
910	PL_op = (OP *)&coro_setup_op;	965	PL_op = (OP *)&coro_setup_op;
911		966
912	/* copy throw, in case it was set before coro_setup */	967	/* copy throw, in case it was set before coro_setup */
913	CORO_THROW = coro->except;	968	CORO_THROW = coro->except;
914	}	969	}
915		970
916	static void	971	static void
917	coro_destruct (pTHX_ struct coro *coro)	972	coro_unwind_stacks (pTHX)
918	{	973	{
919	if (!IN_DESTRUCT)	974	if (!IN_DESTRUCT)
920	{	975	{
921	/* restore all saved variables and stuff */	976	/* restore all saved variables and stuff */
922	LEAVE_SCOPE (0);	977	LEAVE_SCOPE (0);
…		…
930	POPSTACK_TO (PL_mainstack);	985	POPSTACK_TO (PL_mainstack);
931		986
932	/* unwind main stack */	987	/* unwind main stack */
933	dounwind (-1);	988	dounwind (-1);
934	}	989	}
		990	}
935		991
936	SvREFCNT_dec (GvSV (PL_defgv));	992	static void
937	SvREFCNT_dec (GvAV (PL_defgv));	993	coro_destruct_perl (pTHX_ struct coro *coro)
938	SvREFCNT_dec (GvSV (PL_errgv));	994	{
939	SvREFCNT_dec (PL_defoutgv);	995	SV *svf [9];
940	SvREFCNT_dec (PL_rs);
941	SvREFCNT_dec (GvSV (irsgv));
942		996
943	SvREFCNT_dec (PL_diehook);
944	SvREFCNT_dec (PL_warnhook);
945		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
946	SvREFCNT_dec (coro->saved_deffh);	1029	SvREFCNT_dec (coro->saved_deffh);
947	SvREFCNT_dec (coro->rouse_cb);	1030	SvREFCNT_dec (coro->rouse_cb);
948	SvREFCNT_dec (coro->invoke_cb);	1031	SvREFCNT_dec (coro->invoke_cb);
949	SvREFCNT_dec (coro->invoke_av);	1032	SvREFCNT_dec (coro->invoke_av);
950		1033	}
951	coro_destruct_stacks (aTHX);
952	}	1034	}
953		1035
954	INLINE void	1036	INLINE void
955	free_coro_mortal (pTHX)	1037	free_coro_mortal (pTHX)
956	{	1038	{
…		…
964	static int	1046	static int
965	runops_trace (pTHX)	1047	runops_trace (pTHX)
966	{	1048	{
967	COP *oldcop = 0;	1049	COP *oldcop = 0;
968	int oldcxix = -2;	1050	int oldcxix = -2;
969	struct coro coro = SvSTATE_current; / trace cctx is tied to specific coro */
970	coro_cctx *cctx = coro->cctx;
971		1051
972	while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))	1052	while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))
973	{	1053	{
974	PERL_ASYNC_CHECK ();	1054	PERL_ASYNC_CHECK ();
975		1055
976	if (cctx->flags & CC_TRACE_ALL)	1056	if (cctx_current->flags & CC_TRACE_ALL)
977	{	1057	{
978	if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB)	1058	if (PL_op->op_type == OP_LEAVESUB && cctx_current->flags & CC_TRACE_SUB)
979	{	1059	{
980	PERL_CONTEXT *cx = &cxstack[cxstack_ix];	1060	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
981	SV bot, top;	1061	SV bot, top;
982	AV av = newAV (); / return values */	1062	AV av = newAV (); / return values */
983	SV **cb;	1063	SV **cb;
…		…
1020		1100
1021	if (PL_curcop != &PL_compiling)	1101	if (PL_curcop != &PL_compiling)
1022	{	1102	{
1023	SV **cb;	1103	SV **cb;
1024		1104
1025	if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB)	1105	if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB)
1026	{	1106	{
1027	PERL_CONTEXT *cx = &cxstack[cxstack_ix];	1107	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
1028		1108
1029	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)	1109	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)
1030	{	1110	{
…		…
1053	}	1133	}
1054		1134
1055	oldcxix = cxstack_ix;	1135	oldcxix = cxstack_ix;
1056	}	1136	}
1057		1137
1058	if (cctx->flags & CC_TRACE_LINE)	1138	if (cctx_current->flags & CC_TRACE_LINE)
1059	{	1139	{
1060	dSP;	1140	dSP;
1061		1141
1062	PL_runops = RUNOPS_DEFAULT;	1142	PL_runops = RUNOPS_DEFAULT;
1063	ENTER;	1143	ENTER;
…		…
1082		1162
1083	TAINT_NOT;	1163	TAINT_NOT;
1084	return 0;	1164	return 0;
1085	}	1165	}
1086		1166
1087	static struct coro_cctx *cctx_ssl_cctx;
1088	static struct CoroSLF cctx_ssl_frame;	1167	static struct CoroSLF cctx_ssl_frame;
1089		1168
1090	static void	1169	static void
1091	slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta)	1170	slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta)
1092	{	1171	{
1093	ta->prev = (struct coro *)cctx_ssl_cctx;
1094	ta->next = 0;	1172	ta->prev = 0;
1095	}	1173	}
1096		1174
1097	static int	1175	static int
1098	slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame)	1176	slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame)
1099	{	1177	{
…		…
1102	return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */	1180	return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */
1103	}	1181	}
1104		1182
1105	/* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */	1183	/* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */
1106	static void NOINLINE	1184	static void NOINLINE
1107	cctx_prepare (pTHX_ coro_cctx *cctx)	1185	cctx_prepare (pTHX)
1108	{	1186	{
1109	PL_top_env = &PL_start_env;	1187	PL_top_env = &PL_start_env;
1110		1188
1111	if (cctx->flags & CC_TRACE)	1189	if (cctx_current->flags & CC_TRACE)
1112	PL_runops = runops_trace;	1190	PL_runops = runops_trace;
1113		1191
1114	/* we already must be executing an SLF op, there is no other valid way	1192	/* we already must be executing an SLF op, there is no other valid way
1115	* that can lead to creation of a new cctx */	1193	* that can lead to creation of a new cctx */
1116	assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)",	1194	assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)",
1117	slf_frame.prepare && PL_op->op_ppaddr == pp_slf));	1195	slf_frame.prepare && PL_op->op_ppaddr == pp_slf));
1118		1196
1119	/* we must emulate leaving pp_slf, which is done inside slf_check_set_stacklevel */	1197	/* we must emulate leaving pp_slf, which is done inside slf_check_set_stacklevel */
1120	cctx_ssl_cctx = cctx;
1121	cctx_ssl_frame = slf_frame;	1198	cctx_ssl_frame = slf_frame;
1122		1199
1123	slf_frame.prepare = slf_prepare_set_stacklevel;	1200	slf_frame.prepare = slf_prepare_set_stacklevel;
1124	slf_frame.check = slf_check_set_stacklevel;	1201	slf_frame.check = slf_check_set_stacklevel;
1125	}	1202	}
…		…
1148	/* normally we would need to skip the entersub here */	1225	/* normally we would need to skip the entersub here */
1149	/* not doing so will re-execute it, which is exactly what we want */	1226	/* not doing so will re-execute it, which is exactly what we want */
1150	/* PL_nop = PL_nop->op_next */	1227	/* PL_nop = PL_nop->op_next */
1151		1228
1152	/* inject a fake subroutine call to cctx_init */	1229	/* inject a fake subroutine call to cctx_init */
1153	cctx_prepare (aTHX_ (coro_cctx *)arg);	1230	cctx_prepare (aTHX);
1154		1231
1155	/* cctx_run is the alternative tail of transfer() */	1232	/* cctx_run is the alternative tail of transfer() */
1156	transfer_tail (aTHX);	1233	transfer_tail (aTHX);
1157		1234
1158	/* somebody or something will hit me for both perl_run and PL_restartop */	1235	/* somebody or something will hit me for both perl_run and PL_restartop */
…		…
1166	/*	1243	/*
1167	* 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
1168	* 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)
1169	* 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
1170	* bootstrap-time "top" top_env, as we cannot restore the "main"	1247	* bootstrap-time "top" top_env, as we cannot restore the "main"
1171	* 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.
1172	*/	1251	*/
1173	PL_top_env = main_top_env;	1252	PL_top_env = main_top_env;
1174	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 */
1175	}	1254	}
1176	}	1255	}
…		…
1253	cctx_destroy (coro_cctx *cctx)	1332	cctx_destroy (coro_cctx *cctx)
1254	{	1333	{
1255	if (!cctx)	1334	if (!cctx)
1256	return;	1335	return;
1257		1336
		1337	assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));//D temporary?
		1338
1258	--cctx_count;	1339	--cctx_count;
1259	coro_destroy (&cctx->cctx);	1340	coro_destroy (&cctx->cctx);
1260		1341
1261	/* coro_transfer creates new, empty cctx's */	1342	/* coro_transfer creates new, empty cctx's */
1262	if (cctx->sptr)	1343	if (cctx->sptr)
…		…
1325	/* TODO: throwing up here is considered harmful */	1406	/* TODO: throwing up here is considered harmful */
1326		1407
1327	if (expect_true (prev != next))	1408	if (expect_true (prev != next))
1328	{	1409	{
1329	if (expect_false (!(prev->flags & (CF_RUNNING \| CF_NEW))))	1410	if (expect_false (!(prev->flags & (CF_RUNNING \| CF_NEW))))
1330	croak ("Coro::State::transfer called with non-running/new 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,");
1331		1412
1332	if (expect_false (next->flags & CF_RUNNING))
1333	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states,");
1334
1335	if (expect_false (next->flags & CF_DESTROYED))	1413	if (expect_false (next->flags & (CF_RUNNING \| CF_DESTROYED \| CF_SUSPENDED)))
1336	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,");
1337		1415
1338	#if !PERL_VERSION_ATLEAST (5,10,0)	1416	#if !PERL_VERSION_ATLEAST (5,10,0)
1339	if (expect_false (PL_lex_state != LEX_NOTPARSING))	1417	if (expect_false (PL_lex_state != LEX_NOTPARSING))
1340	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,");
1341	#endif	1419	#endif
…		…
1347	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)	1425	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)
1348	{	1426	{
1349	dSTACKLEVEL;	1427	dSTACKLEVEL;
1350		1428
1351	/* sometimes transfer is only called to set idle_sp */	1429	/* sometimes transfer is only called to set idle_sp */
1352	if (expect_false (!next))	1430	if (expect_false (!prev))
1353	{	1431	{
1354	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1432	cctx_current->idle_sp = STACKLEVEL;
1355	assert (((coro_cctx )prev)->idle_te = PL_top_env); / just for the side-effect when asserts are enabled */	1433	assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */
1356	}	1434	}
1357	else if (expect_true (prev != next))	1435	else if (expect_true (prev != next))
1358	{	1436	{
1359	coro_cctx *prev__cctx;	1437	coro_cctx *cctx_prev;
1360		1438
1361	if (expect_false (prev->flags & CF_NEW))	1439	if (expect_false (prev->flags & CF_NEW))
1362	{	1440	{
1363	/* create a new empty/source context */	1441	/* create a new empty/source context */
1364	prev->cctx = cctx_new_empty ();
1365	prev->flags &= ~CF_NEW;	1442	prev->flags &= ~CF_NEW;
1366	prev->flags \|= CF_RUNNING;	1443	prev->flags \|= CF_RUNNING;
1367	}	1444	}
1368		1445
1369	prev->flags &= ~CF_RUNNING;	1446	prev->flags &= ~CF_RUNNING;
…		…
1380	coro_setup (aTHX_ next);	1457	coro_setup (aTHX_ next);
1381	}	1458	}
1382	else	1459	else
1383	load_perl (aTHX_ next);	1460	load_perl (aTHX_ next);
1384		1461
1385	prev__cctx = prev->cctx;
1386
1387	/* possibly untie and reuse the cctx */	1462	/* possibly untie and reuse the cctx */
1388	if (expect_true (	1463	if (expect_true (
1389	prev__cctx->idle_sp == STACKLEVEL	1464	cctx_current->idle_sp == STACKLEVEL
1390	&& !(prev__cctx->flags & CC_TRACE)	1465	&& !(cctx_current->flags & CC_TRACE)
1391	&& !force_cctx	1466	&& !force_cctx
1392	))	1467	))
1393	{	1468	{
1394	/* I assume that stacklevel is a stronger indicator than PL_top_env changes */	1469	/* I assume that stacklevel is a stronger indicator than PL_top_env changes */
1395	assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == prev__cctx->idle_te));	1470	assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te));
1396		1471
1397	prev->cctx = 0;
1398
1399	/* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */	1472	/* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */
1400	/* without this the next cctx_get might destroy the prev__cctx while still in use */	1473	/* without this the next cctx_get might destroy the running cctx while still in use */
1401	if (expect_false (CCTX_EXPIRED (prev__cctx)))	1474	if (expect_false (CCTX_EXPIRED (cctx_current)))
1402	if (!next->cctx)	1475	if (expect_true (!next->cctx))
1403	next->cctx = cctx_get (aTHX);	1476	next->cctx = cctx_get (aTHX);
1404		1477
1405	cctx_put (prev__cctx);	1478	cctx_put (cctx_current);
1406	}	1479	}
		1480	else
		1481	prev->cctx = cctx_current;
1407		1482
1408	++next->usecount;	1483	++next->usecount;
1409		1484
1410	if (expect_true (!next->cctx))	1485	cctx_prev = cctx_current;
1411	next->cctx = cctx_get (aTHX);	1486	cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX);
1412		1487
1413	if (expect_false (prev__cctx != next->cctx))	1488	next->cctx = 0;
		1489
		1490	if (expect_false (cctx_prev != cctx_current))
1414	{	1491	{
1415	prev__cctx->top_env = PL_top_env;	1492	cctx_prev->top_env = PL_top_env;
1416	PL_top_env = next->cctx->top_env;	1493	PL_top_env = cctx_current->top_env;
1417	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);	1494	coro_transfer (&cctx_prev->cctx, &cctx_current->cctx);
1418	}	1495	}
1419		1496
1420	transfer_tail (aTHX);	1497	transfer_tail (aTHX);
1421	}	1498	}
1422	}	1499	}
…		…
1430	coro_state_destroy (pTHX_ struct coro *coro)	1507	coro_state_destroy (pTHX_ struct coro *coro)
1431	{	1508	{
1432	if (coro->flags & CF_DESTROYED)	1509	if (coro->flags & CF_DESTROYED)
1433	return 0;	1510	return 0;
1434		1511
1435	if (coro->on_destroy)	1512	if (coro->on_destroy && !PL_dirty)
1436	coro->on_destroy (aTHX_ coro);	1513	coro->on_destroy (aTHX_ coro);
1437		1514
1438	coro->flags \|= CF_DESTROYED;	1515	coro->flags \|= CF_DESTROYED;
1439		1516
1440	if (coro->flags & CF_READY)	1517	if (coro->flags & CF_READY)
…		…
1444	--coro_nready;	1521	--coro_nready;
1445	}	1522	}
1446	else	1523	else
1447	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 */
1448		1525
1449	if (coro->mainstack && coro->mainstack != main_mainstack)	1526	if (coro->mainstack
1450	{	1527	&& coro->mainstack != main_mainstack
1451	struct coro temp;	1528	&& coro->slot
1452		1529	&& !PL_dirty)
1453	assert (("FATAL: tried to destroy currently running coroutine (please report)", !(coro->flags & CF_RUNNING)));
1454
1455	save_perl (aTHX_ &temp);
1456	load_perl (aTHX_ coro);
1457
1458	coro_destruct (aTHX_ coro);	1530	coro_destruct_perl (aTHX_ coro);
1459
1460	load_perl (aTHX_ &temp);
1461
1462	coro->slot = 0;
1463	}
1464		1531
1465	cctx_destroy (coro->cctx);	1532	cctx_destroy (coro->cctx);
1466	SvREFCNT_dec (coro->startcv);	1533	SvREFCNT_dec (coro->startcv);
1467	SvREFCNT_dec (coro->args);	1534	SvREFCNT_dec (coro->args);
1468	SvREFCNT_dec (CORO_THROW);	1535	SvREFCNT_dec (CORO_THROW);
…		…
1555	/ Coro ******************************************************************/	1622	/ Coro ******************************************************************/
1556		1623
1557	INLINE void	1624	INLINE void
1558	coro_enq (pTHX_ struct coro *coro)	1625	coro_enq (pTHX_ struct coro *coro)
1559	{	1626	{
1560	av_push (coro_ready [coro->prio - PRIO_MIN], SvREFCNT_inc_NN (coro->hv));	1627	struct coro **ready = coro_ready [coro->prio - PRIO_MIN];
1561	}
1562		1628
1563	INLINE 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
		1636	INLINE struct coro *
1564	coro_deq (pTHX)	1637	coro_deq (pTHX)
1565	{	1638	{
1566	int prio;	1639	int prio;
1567		1640
1568	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; )	1641	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; )
1569	if (AvFILLp (coro_ready [prio]) >= 0)	1642	{
1570	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	}
1571		1652
1572	return 0;	1653	return 0;
1573	}	1654	}
1574		1655
1575	static int	1656	static int
…		…
1577	{	1658	{
1578	struct coro *coro;	1659	struct coro *coro;
1579	SV *sv_hook;	1660	SV *sv_hook;
1580	void (*xs_hook)(void);	1661	void (*xs_hook)(void);
1581		1662
1582	if (SvROK (coro_sv))
1583	coro_sv = SvRV (coro_sv);
1584
1585	coro = SvSTATE (coro_sv);	1663	coro = SvSTATE (coro_sv);
1586		1664
1587	if (coro->flags & CF_READY)	1665	if (coro->flags & CF_READY)
1588	return 0;	1666	return 0;
1589		1667
…		…
1642	static void	1720	static void
1643	prepare_schedule (pTHX_ struct coro_transfer_args *ta)	1721	prepare_schedule (pTHX_ struct coro_transfer_args *ta)
1644	{	1722	{
1645	for (;;)	1723	for (;;)
1646	{	1724	{
1647	SV *next_sv = coro_deq (aTHX);	1725	struct coro *next = coro_deq (aTHX);
1648		1726
1649	if (expect_true (next_sv))	1727	if (expect_true (next))
1650	{	1728	{
1651	struct coro *next = SvSTATE_hv (next_sv);
1652
1653	/* cannot transfer to destroyed coros, skip and look for next */	1729	/* cannot transfer to destroyed coros, skip and look for next */
1654	if (expect_false (next->flags & CF_DESTROYED))	1730	if (expect_false (next->flags & (CF_DESTROYED \| CF_SUSPENDED)))
1655	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 */
1656	else	1732	else
1657	{	1733	{
1658	next->flags &= ~CF_READY;	1734	next->flags &= ~CF_READY;
1659	--coro_nready;	1735	--coro_nready;
1660		1736
…		…
1663	}	1739	}
1664	}	1740	}
1665	else	1741	else
1666	{	1742	{
1667	/* 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	{
1668	dSP;	1753	dSP;
1669		1754
1670	ENTER;	1755	ENTER;
1671	SAVETMPS;	1756	SAVETMPS;
1672		1757
1673	PUSHMARK (SP);	1758	PUSHMARK (SP);
1674	PUTBACK;	1759	PUTBACK;
1675	call_sv (get_sv ("Coro::idle", FALSE), G_VOID \| G_DISCARD);	1760	call_sv (sv_idle, G_VOID \| G_DISCARD);
1676		1761
1677	FREETMPS;	1762	FREETMPS;
1678	LEAVE;	1763	LEAVE;
		1764	}
1679	}	1765	}
1680	}	1766	}
1681	}	1767	}
1682		1768
1683	INLINE void	1769	INLINE void
…		…
1754	static void	1840	static void
1755	api_trace (pTHX_ SV *coro_sv, int flags)	1841	api_trace (pTHX_ SV *coro_sv, int flags)
1756	{	1842	{
1757	struct coro *coro = SvSTATE (coro_sv);	1843	struct coro *coro = SvSTATE (coro_sv);
1758		1844
		1845	if (coro->flags & CF_RUNNING)
		1846	croak ("cannot enable tracing on a running coroutine, caught");
		1847
1759	if (flags & CC_TRACE)	1848	if (flags & CC_TRACE)
1760	{	1849	{
1761	if (!coro->cctx)	1850	if (!coro->cctx)
1762	coro->cctx = cctx_new_run ();	1851	coro->cctx = cctx_new_run ();
1763	else if (!(coro->cctx->flags & CC_TRACE))	1852	else if (!(coro->cctx->flags & CC_TRACE))
1764	croak ("cannot enable tracing on coroutine with custom stack,");	1853	croak ("cannot enable tracing on coroutine with custom stack, caught");
1765		1854
1766	coro->cctx->flags \|= CC_NOREUSE \| (flags & (CC_TRACE \| CC_TRACE_ALL));	1855	coro->cctx->flags \|= CC_NOREUSE \| (flags & (CC_TRACE \| CC_TRACE_ALL));
1767	}	1856	}
1768	else if (coro->cctx && coro->cctx->flags & CC_TRACE)	1857	else if (coro->cctx && coro->cctx->flags & CC_TRACE)
1769	{	1858	{
…		…
1825	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 */
1826	api_ready (aTHX_ sv_manager);	1915	api_ready (aTHX_ sv_manager);
1827		1916
1828	frame->prepare = prepare_schedule;	1917	frame->prepare = prepare_schedule;
1829	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);/
1830	}	1923	}
1831		1924
1832	/*****************************************************************************/	1925	/*****************************************************************************/
1833	/* async pool handler */	1926	/* async pool handler */
1834		1927
…		…
1917	SV data = (SV )GENSUB_ARG;	2010	SV data = (SV )GENSUB_ARG;
1918		2011
1919	if (SvTYPE (SvRV (data)) != SVt_PVAV)	2012	if (SvTYPE (SvRV (data)) != SVt_PVAV)
1920	{	2013	{
1921	/* first call, set args */	2014	/* first call, set args */
		2015	SV *coro = SvRV (data);
1922	AV *av = newAV ();	2016	AV *av = newAV ();
1923	SV *coro = SvRV (data);
1924		2017
1925	SvRV_set (data, (SV *)av);	2018	SvRV_set (data, (SV *)av);
1926	api_ready (aTHX_ coro);
1927	SvREFCNT_dec (coro);
1928		2019
1929	/* better take a full copy of the arguments */	2020	/* better take a full copy of the arguments */
1930	while (items--)	2021	while (items--)
1931	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);
1932	}	2026	}
1933		2027
1934	XSRETURN_EMPTY;	2028	XSRETURN_EMPTY;
1935	}	2029	}
1936		2030
…		…
1953		2047
1954	EXTEND (SP, AvFILLp (av) + 1);	2048	EXTEND (SP, AvFILLp (av) + 1);
1955	for (i = 0; i <= AvFILLp (av); ++i)	2049	for (i = 0; i <= AvFILLp (av); ++i)
1956	PUSHs (sv_2mortal (AvARRAY (av)[i]));	2050	PUSHs (sv_2mortal (AvARRAY (av)[i]));
1957		2051
1958	/* 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 */
1959	AvFILLp (av) = -1;	2053	AvFILLp (av) = -1;
1960	av_undef (av);	2054	av_undef (av);
1961		2055
1962	PUTBACK;	2056	PUTBACK;
1963	}	2057	}
…		…
2250	}	2344	}
2251	else	2345	else
2252	slf_argc = 0;	2346	slf_argc = 0;
2253		2347
2254	PL_op->op_ppaddr = pp_slf;	2348	PL_op->op_ppaddr = pp_slf;
2255	PL_op->op_type = OP_CUSTOM; /* maybe we should leave it at entersub? */	2349	/PL_op->op_type = OP_CUSTOM; / we do behave like entersub still */
2256		2350
2257	PL_op = (OP *)&slf_restore;	2351	PL_op = (OP *)&slf_restore;
		2352	}
		2353
		2354	/*****************************************************************************/
		2355	/* dynamic wind */
		2356
		2357	static void
		2358	on_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
		2372	static SV *
		2373	coro_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
		2387	static void
		2388	coro_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
		2394	static void
		2395	coro_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));
2258	}	2399	}
2259		2400
2260	/*****************************************************************************/	2401	/*****************************************************************************/
2261	/* PerlIO::cede */	2402	/* PerlIO::cede */
2262		2403
…		…
2336	/* Coro::Semaphore & Coro::Signal */	2477	/* Coro::Semaphore & Coro::Signal */
2337		2478
2338	static SV *	2479	static SV *
2339	coro_waitarray_new (pTHX_ int count)	2480	coro_waitarray_new (pTHX_ int count)
2340	{	2481	{
2341	/* 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 */
2342	AV *av = newAV ();	2483	AV *av = newAV ();
2343	SV **ary;	2484	SV **ary;
2344		2485
2345	/* unfortunately, building manually saves memory */	2486	/* unfortunately, building manually saves memory */
2346	Newx (ary, 2, SV *);	2487	Newx (ary, 2, SV *);
2347	AvALLOC (av) = ary;	2488	AvALLOC (av) = ary;
		2489	#if PERL_VERSION_ATLEAST (5,10,0)
2348	/AvARRAY (av) = ary;/	2490	AvARRAY (av) = ary;
		2491	#else
2349	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
2350	AvMAX (av) = 1;	2496	AvMAX (av) = 1;
2351	AvFILLp (av) = 0;	2497	AvFILLp (av) = 0;
2352	ary [0] = newSViv (count);	2498	ary [0] = newSViv (count);
2353		2499
2354	return newRV_noinc ((SV *)av);	2500	return newRV_noinc ((SV *)av);
…		…
2485	{	2631	{
2486	/* callback form */	2632	/* callback form */
2487	AV av = (AV )SvRV (arg [0]);	2633	AV av = (AV )SvRV (arg [0]);
2488	CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]);	2634	CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]);
2489		2635
2490	av_push (av, (SV *)SvREFCNT_inc_NN (cb_cv));	2636	av_push (av, SvREFCNT_inc_NN (cb_cv));
2491		2637
2492	if (SvIVX (AvARRAY (av)[0]) > 0)	2638	if (SvIVX (AvARRAY (av)[0]) > 0)
2493	coro_semaphore_adjust (aTHX_ av, 0);	2639	coro_semaphore_adjust (aTHX_ av, 0);
2494		2640
2495	frame->prepare = prepare_nop;	2641	frame->prepare = prepare_nop;
…		…
2519	AvARRAY (av)[0] = AvARRAY (av)[1];	2665	AvARRAY (av)[0] = AvARRAY (av)[1];
2520	AvARRAY (av)[1] = cb;	2666	AvARRAY (av)[1] = cb;
2521		2667
2522	cb = av_shift (av);	2668	cb = av_shift (av);
2523		2669
		2670	if (SvTYPE (cb) == SVt_PVCV)
		2671	{
		2672	dSP;
		2673	PUSHMARK (SP);
		2674	XPUSHs (sv_2mortal (newRV_inc ((SV *)av)));
		2675	PUTBACK;
		2676	call_sv (cb, G_VOID \| G_DISCARD \| G_EVAL \| G_KEEPERR);
		2677	}
		2678	else
		2679	{
2524	api_ready (aTHX_ cb);	2680	api_ready (aTHX_ cb);
2525	sv_setiv (cb, 0); /* signal waiter */	2681	sv_setiv (cb, 0); /* signal waiter */
		2682	}
		2683
2526	SvREFCNT_dec (cb);	2684	SvREFCNT_dec (cb);
2527		2685
2528	--count;	2686	--count;
2529	}	2687	}
2530	}	2688	}
…		…
2539	static void	2697	static void
2540	slf_init_signal_wait (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)	2698	slf_init_signal_wait (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)
2541	{	2699	{
2542	AV av = (AV )SvRV (arg [0]);	2700	AV av = (AV )SvRV (arg [0]);
2543		2701
		2702	if (items >= 2)
		2703	{
		2704	CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]);
		2705	av_push (av, SvREFCNT_inc_NN (cb_cv));
		2706
2544	if (SvIVX (AvARRAY (av)[0]))	2707	if (SvIVX (AvARRAY (av)[0]))
		2708	coro_signal_wake (aTHX_ av, 1); /* ust be the only waiter */
		2709
		2710	frame->prepare = prepare_nop;
		2711	frame->check = slf_check_nop;
		2712	}
		2713	else if (SvIVX (AvARRAY (av)[0]))
2545	{	2714	{
2546	SvIVX (AvARRAY (av)[0]) = 0;	2715	SvIVX (AvARRAY (av)[0]) = 0;
2547	frame->prepare = prepare_nop;	2716	frame->prepare = prepare_nop;
2548	frame->check = slf_check_nop;	2717	frame->check = slf_check_nop;
2549	}	2718	}
2550	else	2719	else
2551	{	2720	{
2552	SV waiter = newRV_inc (SvRV (coro_current)); / owned by signal av */	2721	SV waiter = newSVsv (coro_current); / owned by signal av */
2553		2722
2554	av_push (av, waiter);	2723	av_push (av, waiter);
2555		2724
2556	frame->data = (void )sv_2mortal (SvREFCNT_inc_NN (waiter)); / owned by process */	2725	frame->data = (void )sv_2mortal (SvREFCNT_inc_NN (waiter)); / owned by process */
2557	frame->prepare = prepare_schedule;	2726	frame->prepare = prepare_schedule;
…		…
2724	XSRETURN_EMPTY;	2893	XSRETURN_EMPTY;
2725	}	2894	}
2726		2895
2727	/*****************************************************************************/	2896	/*****************************************************************************/
2728		2897
		2898	#if CORO_CLONE
		2899	# include "clone.c"
		2900	#endif
		2901
2729	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	2902	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
2730		2903
2731	PROTOTYPES: DISABLE	2904	PROTOTYPES: DISABLE
2732		2905
2733	BOOT:	2906	BOOT:
…		…
2736	# if CORO_PTHREAD	2909	# if CORO_PTHREAD
2737	coro_thx = PERL_GET_CONTEXT;	2910	coro_thx = PERL_GET_CONTEXT;
2738	# endif	2911	# endif
2739	#endif	2912	#endif
2740	BOOT_PAGESIZE;	2913	BOOT_PAGESIZE;
		2914
		2915	cctx_current = cctx_new_empty ();
2741		2916
2742	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);	2917	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
2743	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);	2918	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
2744		2919
2745	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;	2920	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;
…		…
2871	void	3046	void
2872	_exit (int code)	3047	_exit (int code)
2873	PROTOTYPE: $	3048	PROTOTYPE: $
2874	CODE:	3049	CODE:
2875	_exit (code);	3050	_exit (code);
		3051
		3052	SV *
		3053	clone (Coro::State coro)
		3054	CODE:
		3055	{
		3056	#if CORO_CLONE
		3057	struct coro *ncoro = coro_clone (aTHX_ coro);
		3058	MAGIC *mg;
		3059	/* TODO: too much duplication */
		3060	ncoro->hv = newHV ();
		3061	mg = sv_magicext ((SV )ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char )ncoro, 0);
		3062	mg->mg_flags \|= MGf_DUP;
		3063	RETVAL = sv_bless (newRV_noinc ((SV *)ncoro->hv), SvSTASH (coro->hv));
		3064	#else
		3065	croak ("Coro::State->clone has not been configured into this installation of Coro, realised");
		3066	#endif
		3067	}
		3068	OUTPUT:
		3069	RETVAL
2876		3070
2877	int	3071	int
2878	cctx_stacksize (int new_stacksize = 0)	3072	cctx_stacksize (int new_stacksize = 0)
2879	PROTOTYPE: ;$	3073	PROTOTYPE: ;$
2880	CODE:	3074	CODE:
…		…
2930	eval = 1	3124	eval = 1
2931	CODE:	3125	CODE:
2932	{	3126	{
2933	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))	3127	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))
2934	{	3128	{
2935	struct coro temp;	3129	struct coro *current = SvSTATE_current;
2936		3130
2937	if (!(coro->flags & CF_RUNNING))	3131	if (current != coro)
2938	{	3132	{
2939	PUTBACK;	3133	PUTBACK;
2940	save_perl (aTHX_ &temp);	3134	save_perl (aTHX_ current);
2941	load_perl (aTHX_ coro);	3135	load_perl (aTHX_ coro);
		3136	SPAGAIN;
2942	}	3137	}
2943		3138
2944	{
2945	dSP;
2946	ENTER;
2947	SAVETMPS;
2948	PUTBACK;
2949	PUSHSTACK;	3139	PUSHSTACK;
		3140
2950	PUSHMARK (SP);	3141	PUSHMARK (SP);
		3142	PUTBACK;
2951		3143
2952	if (ix)	3144	if (ix)
2953	eval_sv (coderef, 0);	3145	eval_sv (coderef, 0);
2954	else	3146	else
2955	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	3147	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
2956		3148
2957	POPSTACK;	3149	POPSTACK;
2958	SPAGAIN;	3150	SPAGAIN;
2959	FREETMPS;
2960	LEAVE;
2961	PUTBACK;
2962	}
2963		3151
2964	if (!(coro->flags & CF_RUNNING))	3152	if (current != coro)
2965	{	3153	{
		3154	PUTBACK;
2966	save_perl (aTHX_ coro);	3155	save_perl (aTHX_ coro);
2967	load_perl (aTHX_ &temp);	3156	load_perl (aTHX_ current);
2968	SPAGAIN;	3157	SPAGAIN;
2969	}	3158	}
2970	}	3159	}
2971	}	3160	}
2972		3161
…		…
2976	ALIAS:	3165	ALIAS:
2977	is_ready = CF_READY	3166	is_ready = CF_READY
2978	is_running = CF_RUNNING	3167	is_running = CF_RUNNING
2979	is_new = CF_NEW	3168	is_new = CF_NEW
2980	is_destroyed = CF_DESTROYED	3169	is_destroyed = CF_DESTROYED
		3170	is_suspended = CF_SUSPENDED
2981	CODE:	3171	CODE:
2982	RETVAL = boolSV (coro->flags & ix);	3172	RETVAL = boolSV (coro->flags & ix);
2983	OUTPUT:	3173	OUTPUT:
2984	RETVAL	3174	RETVAL
2985		3175
…		…
3001		3191
3002	SV *	3192	SV *
3003	has_cctx (Coro::State coro)	3193	has_cctx (Coro::State coro)
3004	PROTOTYPE: $	3194	PROTOTYPE: $
3005	CODE:	3195	CODE:
3006	RETVAL = boolSV (!!coro->cctx);	3196	/* maybe manage the running flag differently */
		3197	RETVAL = boolSV (!!coro->cctx \|\| (coro->flags & CF_RUNNING));
3007	OUTPUT:	3198	OUTPUT:
3008	RETVAL	3199	RETVAL
3009		3200
3010	int	3201	int
3011	is_traced (Coro::State coro)	3202	is_traced (Coro::State coro)
…		…
3031		3222
3032	void	3223	void
3033	force_cctx ()	3224	force_cctx ()
3034	PROTOTYPE:	3225	PROTOTYPE:
3035	CODE:	3226	CODE:
3036	SvSTATE_current->cctx->idle_sp = 0;	3227	cctx_current->idle_sp = 0;
3037		3228
3038	void	3229	void
3039	swap_defsv (Coro::State self)	3230	swap_defsv (Coro::State self)
3040	PROTOTYPE: $	3231	PROTOTYPE: $
3041	ALIAS:	3232	ALIAS:
…		…
3049	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;	3240	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;
3050		3241
3051	SV tmp = src; src = dst; *dst = tmp;	3242	SV tmp = src; src = dst; *dst = tmp;
3052	}	3243	}
3053		3244
		3245	void
		3246	cancel (Coro::State self)
		3247	CODE:
		3248	coro_state_destroy (aTHX_ self);
		3249	coro_call_on_destroy (aTHX_ self); /* actually only for Coro objects */
		3250
3054		3251
3055	MODULE = Coro::State PACKAGE = Coro	3252	MODULE = Coro::State PACKAGE = Coro
3056		3253
3057	BOOT:	3254	BOOT:
3058	{	3255	{
3059	int i;
3060
3061	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);	3256	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
3062	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);	3257	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
3063	cv_coro_run = get_cv ( "Coro::_terminate", GV_ADD);	3258	cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD);
3064	cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD);	3259	cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD);
3065	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);	3260	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);
3066	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);	3261	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
3067	av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE);	3262	av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE);
3068	sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE);	3263	sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE);
		3264	sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE);
3069		3265
3070	sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle);	3266	sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle);
3071	sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro);	3267	sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro);
3072	cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler);	3268	cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler);
3073	cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new);	3269	cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new);
…		…
3078	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	3274	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
3079	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));	3275	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
3080	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));	3276	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
3081	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));	3277	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));
3082	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));	3278	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));
3083
3084	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
3085	coro_ready[i] = newAV ();
3086		3279
3087	{	3280	{
3088	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);	3281	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);
3089		3282
3090	coroapi.schedule = api_schedule;	3283	coroapi.schedule = api_schedule;
…		…
3131	cede_notself (...)	3324	cede_notself (...)
3132	CODE:	3325	CODE:
3133	CORO_EXECUTE_SLF_XS (slf_init_cede_notself);	3326	CORO_EXECUTE_SLF_XS (slf_init_cede_notself);
3134		3327
3135	void	3328	void
3136	_cancel (Coro::State self)
3137	CODE:
3138	coro_state_destroy (aTHX_ self);
3139	coro_call_on_destroy (aTHX_ self);
3140
3141	void
3142	_set_current (SV *current)	3329	_set_current (SV *current)
3143	PROTOTYPE: $	3330	PROTOTYPE: $
3144	CODE:	3331	CODE:
3145	SvREFCNT_dec (SvRV (coro_current));	3332	SvREFCNT_dec (SvRV (coro_current));
3146	SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));	3333	SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));
…		…
3188	PROTOTYPE:	3375	PROTOTYPE:
3189	CODE:	3376	CODE:
3190	RETVAL = coro_nready;	3377	RETVAL = coro_nready;
3191	OUTPUT:	3378	OUTPUT:
3192	RETVAL	3379	RETVAL
		3380
		3381	void
		3382	suspend (Coro::State self)
		3383	PROTOTYPE: $
		3384	CODE:
		3385	self->flags \|= CF_SUSPENDED;
		3386
		3387	void
		3388	resume (Coro::State self)
		3389	PROTOTYPE: $
		3390	CODE:
		3391	self->flags &= ~CF_SUSPENDED;
3193		3392
3194	void	3393	void
3195	_pool_handler (...)	3394	_pool_handler (...)
3196	CODE:	3395	CODE:
3197	CORO_EXECUTE_SLF_XS (slf_init_pool_handler);	3396	CORO_EXECUTE_SLF_XS (slf_init_pool_handler);
…		…
3252	rouse_wait (...)	3451	rouse_wait (...)
3253	PROTOTYPE: ;$	3452	PROTOTYPE: ;$
3254	PPCODE:	3453	PPCODE:
3255	CORO_EXECUTE_SLF_XS (slf_init_rouse_wait);	3454	CORO_EXECUTE_SLF_XS (slf_init_rouse_wait);
3256		3455
		3456	void
		3457	on_enter (SV *block)
		3458	ALIAS:
		3459	on_leave = 1
		3460	PROTOTYPE: &
		3461	CODE:
		3462	{
		3463	struct coro *coro = SvSTATE_current;
		3464	AV **avp = ix ? &coro->on_leave : &coro->on_enter;
		3465
		3466	block = (SV *)coro_sv_2cv (aTHX_ block);
		3467
		3468	if (!*avp)
		3469	*avp = newAV ();
		3470
		3471	av_push (*avp, SvREFCNT_inc (block));
		3472
		3473	if (!ix)
		3474	on_enterleave_call (aTHX_ block);
		3475
		3476	LEAVE; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */
		3477	SAVEDESTRUCTOR_X (ix ? coro_pop_on_leave : coro_pop_on_enter, (void *)coro);
		3478	ENTER; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */
		3479	}
		3480
3257		3481
3258	MODULE = Coro::State PACKAGE = PerlIO::cede	3482	MODULE = Coro::State PACKAGE = PerlIO::cede
3259		3483
3260	BOOT:	3484	BOOT:
3261	PerlIO_define_layer (aTHX_ &PerlIO_cede);	3485	PerlIO_define_layer (aTHX_ &PerlIO_cede);
…		…
3271	GvSTASH (CvGV (cv))	3495	GvSTASH (CvGV (cv))
3272	);	3496	);
3273	OUTPUT:	3497	OUTPUT:
3274	RETVAL	3498	RETVAL
3275		3499
3276	# helper for Coro::Channel	3500	# helper for Coro::Channel and others
3277	SV *	3501	SV *
3278	_alloc (int count)	3502	_alloc (int count)
3279	CODE:	3503	CODE:
3280	RETVAL = coro_waitarray_new (aTHX_ count);	3504	RETVAL = coro_waitarray_new (aTHX_ count);
3281	OUTPUT:	3505	OUTPUT:
…		…
3339	for (i = 1; i <= wcount; ++i)	3563	for (i = 1; i <= wcount; ++i)
3340	PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i])));	3564	PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i])));
3341	}	3565	}
3342	}	3566	}
3343		3567
		3568	MODULE = Coro::State PACKAGE = Coro::SemaphoreSet
		3569
		3570	void
		3571	_may_delete (SV *sem, int count, int extra_refs)
		3572	PPCODE:
		3573	{
		3574	AV av = (AV )SvRV (sem);
		3575
		3576	if (SvREFCNT ((SV *)av) == 1 + extra_refs
		3577	&& AvFILLp (av) == 0 /* no waiters, just count */
		3578	&& SvIV (AvARRAY (av)[0]) == count)
		3579	XSRETURN_YES;
		3580
		3581	XSRETURN_NO;
		3582	}
		3583
3344	MODULE = Coro::State PACKAGE = Coro::Signal	3584	MODULE = Coro::State PACKAGE = Coro::Signal
3345		3585
3346	SV *	3586	SV *
3347	new (SV *klass)	3587	new (SV *klass)
3348	CODE:	3588	CODE:

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Comparing Coro/Coro/State.xs (file contents): Revision 1.319 by root, Thu Nov 20 07:25:01 2008 UTC vs. Revision 1.355 by root, Wed Jun 24 02:52:38 2009 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.319 by root, Thu Nov 20 07:25:01 2008 UTC vs.
Revision 1.355 by root, Wed Jun 24 02:52:38 2009 UTC