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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.313 by root, Thu Nov 20 03:22:59 2008 UTC vs.
Revision 1.343 by root, Mon Dec 15 16:41:43 2008 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
…		…
167	static AV main_mainstack; / used to differentiate between $main and others */	173	static AV main_mainstack; / used to differentiate between $main and others */
168	static JMPENV *main_top_env;	174	static JMPENV *main_top_env;
169	static HV coro_state_stash, coro_stash;	175	static HV coro_state_stash, coro_stash;
170	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 */
171		177
		178	static AV av_destroy; / destruction queue */
		179	static SV sv_manager; / the manager coro */
		180	static SV sv_idle; / $Coro::idle */
		181
172	static GV irsgv; / $/ */	182	static GV irsgv; / $/ */
173	static GV stdoutgv; / STDOUT /	183	static GV stdoutgv; / STDOUT /
174	static SV *rv_diehook;	184	static SV *rv_diehook;
175	static SV *rv_warnhook;	185	static SV *rv_warnhook;
176	static HV hv_sig; / %SIG */	186	static HV hv_sig; / %SIG */
177		187
178	/* async_pool helper stuff */	188	/* async_pool helper stuff */
179	static SV *sv_pool_rss;	189	static SV *sv_pool_rss;
180	static SV *sv_pool_size;	190	static SV *sv_pool_size;
181	static SV *sv_async_pool_idle;	191	static SV sv_async_pool_idle; / description string */
182	static AV *av_async_pool;	192	static AV av_async_pool; / idle pool */
183	static SV *sv_Coro;	193	static SV sv_Coro; / class string */
184	static CV *cv_pool_handler;	194	static CV *cv_pool_handler;
185	static CV *cv_coro_new;	195	static CV *cv_coro_state_new;
186		196
187	/* Coro::AnyEvent */	197	/* Coro::AnyEvent */
188	static SV *sv_activity;	198	static SV *sv_activity;
189		199
190	static struct coro_cctx *cctx_first;	200	static 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
		234	coro_cctx cctx_current; / the currently running cctx */
		235
		236	/*****************************************************************************/
		237
224	enum {	238	enum {
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 */
232	typedef struct	247	typedef 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
…		…
269		285
270	/* async_pool */	286	/* async_pool */
271	SV *saved_deffh;	287	SV *saved_deffh;
272	SV *invoke_cb;	288	SV *invoke_cb;
273	AV *invoke_av;	289	AV *invoke_av;
		290
		291	/* on_enter/on_leave */
		292	AV *on_enter;
		293	AV *on_leave;
274		294
275	/* linked list */	295	/* linked list */
276	struct coro next, prev;	296	struct coro next, prev;
277	};	297	};
278		298
…		…
337	INLINE CV *	357	INLINE CV *
338	coro_sv_2cv (pTHX_ SV *sv)	358	coro_sv_2cv (pTHX_ SV *sv)
339	{	359	{
340	HV *st;	360	HV *st;
341	GV *gvp;	361	GV *gvp;
342	return sv_2cv (sv, &st, &gvp, 0);	362	CV *cv = sv_2cv (sv, &st, &gvp, 0);
		363
		364	if (!cv)
		365	croak ("code reference expected");
		366
		367	return cv;
343	}	368	}
		369
		370	/*****************************************************************************/
		371	/* magic glue */
		372
		373	#define CORO_MAGIC_type_cv 26
		374	#define CORO_MAGIC_type_state PERL_MAGIC_ext
		375
		376	#define CORO_MAGIC_NN(sv, type) \
		377	(expect_true (SvMAGIC (sv)->mg_type == type) \
		378	? SvMAGIC (sv) \
		379	: mg_find (sv, type))
		380
		381	#define CORO_MAGIC(sv, type) \
		382	(expect_true (SvMAGIC (sv)) \
		383	? CORO_MAGIC_NN (sv, type) \
		384	: 0)
		385
		386	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
		387	#define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state)
		388
		389	INLINE struct coro *
		390	SvSTATE_ (pTHX_ SV *coro)
		391	{
		392	HV *stash;
		393	MAGIC *mg;
		394
		395	if (SvROK (coro))
		396	coro = SvRV (coro);
		397
		398	if (expect_false (SvTYPE (coro) != SVt_PVHV))
		399	croak ("Coro::State object required");
		400
		401	stash = SvSTASH (coro);
		402	if (expect_false (stash != coro_stash && stash != coro_state_stash))
		403	{
		404	/* very slow, but rare, check */
		405	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
		406	croak ("Coro::State object required");
		407	}
		408
		409	mg = CORO_MAGIC_state (coro);
		410	return (struct coro *)mg->mg_ptr;
		411	}
		412
		413	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
		414
		415	/* faster than SvSTATE, but expects a coroutine hv */
		416	#define SvSTATE_hv(hv) ((struct coro )CORO_MAGIC_NN ((SV )hv, CORO_MAGIC_type_state)->mg_ptr)
		417	#define SvSTATE_current SvSTATE_hv (SvRV (coro_current))
		418
		419	/*****************************************************************************/
		420	/* padlist management and caching */
344		421
345	static AV *	422	static AV *
346	coro_clone_padlist (pTHX_ CV *cv)	423	coro_derive_padlist (pTHX_ CV *cv)
347	{	424	{
348	AV *padlist = CvPADLIST (cv);	425	AV *padlist = CvPADLIST (cv);
349	AV newpadlist, newpad;	426	AV newpadlist, newpad;
350		427
351	newpadlist = newAV ();	428	newpadlist = newAV ();
…		…
356	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);	433	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
357	#endif	434	#endif
358	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];	435	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
359	--AvFILLp (padlist);	436	--AvFILLp (padlist);
360		437
361	av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE)));	438	av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0]));
362	av_store (newpadlist, 1, (SV *)newpad);	439	av_store (newpadlist, 1, (SV *)newpad);
363		440
364	return newpadlist;	441	return newpadlist;
365	}	442	}
366		443
367	static void	444	static void
368	free_padlist (pTHX_ AV *padlist)	445	free_padlist (pTHX_ AV *padlist)
369	{	446	{
370	/* may be during global destruction */	447	/* may be during global destruction */
371	if (SvREFCNT (padlist))	448	if (!IN_DESTRUCT)
372	{	449	{
373	I32 i = AvFILLp (padlist);	450	I32 i = AvFILLp (padlist);
374	while (i >= 0)	451
		452	while (i > 0) /* special-case index 0 */
375	{	453	{
376	SV **svp = av_fetch (padlist, i--, FALSE);	454	/* we try to be extra-careful here */
377	if (svp)	455	AV av = (AV )AvARRAY (padlist)[i--];
378	{	456	I32 j = AvFILLp (av);
379	SV *sv;	457
380	while (&PL_sv_undef != (sv = av_pop ((AV )svp)))	458	while (j >= 0)
		459	SvREFCNT_dec (AvARRAY (av)[j--]);
		460
		461	AvFILLp (av) = -1;
381	SvREFCNT_dec (sv);	462	SvREFCNT_dec (av);
382
383	SvREFCNT_dec (*svp);
384	}
385	}	463	}
386		464
		465	SvREFCNT_dec (AvARRAY (padlist)[0]);
		466
		467	AvFILLp (padlist) = -1;
387	SvREFCNT_dec ((SV*)padlist);	468	SvREFCNT_dec ((SV*)padlist);
388	}	469	}
389	}	470	}
390		471
391	static int	472	static int
…		…
400		481
401	SvREFCNT_dec (av); /* sv_magicext increased the refcount */	482	SvREFCNT_dec (av); /* sv_magicext increased the refcount */
402		483
403	return 0;	484	return 0;
404	}	485	}
405
406	#define CORO_MAGIC_type_cv 26
407	#define CORO_MAGIC_type_state PERL_MAGIC_ext
408		486
409	static MGVTBL coro_cv_vtbl = {	487	static MGVTBL coro_cv_vtbl = {
410	0, 0, 0, 0,	488	0, 0, 0, 0,
411	coro_cv_free	489	coro_cv_free
412	};	490	};
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
427	INLINE struct coro *
428	SvSTATE_ (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		491
457	/* the next two functions merely cache the padlists */	492	/* the next two functions merely cache the padlists */
458	static void	493	static void
459	get_padlist (pTHX_ CV *cv)	494	get_padlist (pTHX_ CV *cv)
460	{	495	{
…		…
471	CV *cp = Perl_cv_clone (aTHX_ cv);	506	CV *cp = Perl_cv_clone (aTHX_ cv);
472	CvPADLIST (cv) = CvPADLIST (cp);	507	CvPADLIST (cv) = CvPADLIST (cp);
473	CvPADLIST (cp) = 0;	508	CvPADLIST (cp) = 0;
474	SvREFCNT_dec (cp);	509	SvREFCNT_dec (cp);
475	#else	510	#else
476	CvPADLIST (cv) = coro_clone_padlist (aTHX_ cv);	511	CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv);
477	#endif	512	#endif
478	}	513	}
479	}	514	}
480		515
481	static void	516	static void
…		…
488	mg = sv_magicext ((SV )cv, (SV )newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);	523	mg = sv_magicext ((SV )cv, (SV )newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);
489		524
490	av = (AV *)mg->mg_obj;	525	av = (AV *)mg->mg_obj;
491		526
492	if (expect_false (AvFILLp (av) >= AvMAX (av)))	527	if (expect_false (AvFILLp (av) >= AvMAX (av)))
493	av_extend (av, AvMAX (av) + 1);	528	av_extend (av, AvFILLp (av) + 1);
494		529
495	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);	530	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
496	}	531	}
497		532
498	/ load & save, init *****************************************************/	533	/ load & save, init *****************************************************/
		534
		535	static void
		536	on_enterleave_call (pTHX_ SV *cb);
499		537
500	static void	538	static void
501	load_perl (pTHX_ Coro__State c)	539	load_perl (pTHX_ Coro__State c)
502	{	540	{
503	perl_slots *slot = c->slot;	541	perl_slots *slot = c->slot;
504	c->slot = 0;	542	c->slot = 0;
505		543
506	PL_mainstack = c->mainstack;	544	PL_mainstack = c->mainstack;
507		545
508	GvSV (PL_defgv) = slot->defsv;	546	GvSV (PL_defgv) = slot->defsv;
509	GvAV (PL_defgv) = slot->defav;	547	GvAV (PL_defgv) = slot->defav;
510	GvSV (PL_errgv) = slot->errsv;	548	GvSV (PL_errgv) = slot->errsv;
511	GvSV (irsgv) = slot->irsgv;	549	GvSV (irsgv) = slot->irsgv;
		550	GvHV (PL_hintgv) = slot->hinthv;
512		551
513	#define VAR(name,type) PL_ ## name = slot->name;	552	#define VAR(name,type) PL_ ## name = slot->name;
514	# include "state.h"	553	# include "state.h"
515	#undef VAR	554	#undef VAR
516		555
…		…
530	PUTBACK;	569	PUTBACK;
531	}	570	}
532		571
533	slf_frame = c->slf_frame;	572	slf_frame = c->slf_frame;
534	CORO_THROW = c->except;	573	CORO_THROW = c->except;
		574
		575	if (expect_false (c->on_enter))
		576	{
		577	int i;
		578
		579	for (i = 0; i <= AvFILLp (c->on_enter); ++i)
		580	on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]);
		581	}
535	}	582	}
536		583
537	static void	584	static void
538	save_perl (pTHX_ Coro__State c)	585	save_perl (pTHX_ Coro__State c)
539	{	586	{
		587	if (expect_false (c->on_leave))
		588	{
		589	int i;
		590
		591	for (i = AvFILLp (c->on_leave); i >= 0; --i)
		592	on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]);
		593	}
		594
540	c->except = CORO_THROW;	595	c->except = CORO_THROW;
541	c->slf_frame = slf_frame;	596	c->slf_frame = slf_frame;
542		597
543	{	598	{
544	dSP;	599	dSP;
…		…
602	c->mainstack = PL_mainstack;	657	c->mainstack = PL_mainstack;
603		658
604	{	659	{
605	perl_slots slot = c->slot = (perl_slots )(cxstack + cxstack_ix + 1);	660	perl_slots slot = c->slot = (perl_slots )(cxstack + cxstack_ix + 1);
606		661
607	slot->defav = GvAV (PL_defgv);	662	slot->defav = GvAV (PL_defgv);
608	slot->defsv = DEFSV;	663	slot->defsv = DEFSV;
609	slot->errsv = ERRSV;	664	slot->errsv = ERRSV;
610	slot->irsgv = GvSV (irsgv);	665	slot->irsgv = GvSV (irsgv);
		666	slot->hinthv = GvHV (PL_hintgv);
611		667
612	#define VAR(name,type) slot->name = PL_ ## name;	668	#define VAR(name,type) slot->name = PL_ ## name;
613	# include "state.h"	669	# include "state.h"
614	#undef VAR	670	#undef VAR
615	}	671	}
…		…
742	#endif	798	#endif
743		799
744	/*	800	/*
745	* This overrides the default magic get method of %SIG elements.	801	* 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	802	* 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	803	* and instead of trying to save and restore the hash elements, we just provide
748	* readback here.	804	* 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	*/	805	*/
753	static int	806	static int
754	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)	807	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)
755	{	808	{
756	const char *s = MgPV_nolen_const (mg);	809	const char *s = MgPV_nolen_const (mg);
…		…
809	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;	862	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
810		863
811	if (svp)	864	if (svp)
812	{	865	{
813	SV old = svp;	866	SV old = svp;
814	*svp = newSVsv (sv);	867	*svp = SvOK (sv) ? newSVsv (sv) : 0;
815	SvREFCNT_dec (old);	868	SvREFCNT_dec (old);
816	return 0;	869	return 0;
817	}	870	}
818	}	871	}
819		872
…		…
829		882
830	static int	883	static int
831	slf_check_nop (pTHX_ struct CoroSLF *frame)	884	slf_check_nop (pTHX_ struct CoroSLF *frame)
832	{	885	{
833	return 0;	886	return 0;
		887	}
		888
		889	static int
		890	slf_check_repeat (pTHX_ struct CoroSLF *frame)
		891	{
		892	return 1;
834	}	893	}
835		894
836	static UNOP coro_setup_op;	895	static UNOP coro_setup_op;
837		896
838	static void NOINLINE /* noinline to keep it out of the transfer fast path */	897	static void NOINLINE /* noinline to keep it out of the transfer fast path */
…		…
845		904
846	PL_runops = RUNOPS_DEFAULT;	905	PL_runops = RUNOPS_DEFAULT;
847	PL_curcop = &PL_compiling;	906	PL_curcop = &PL_compiling;
848	PL_in_eval = EVAL_NULL;	907	PL_in_eval = EVAL_NULL;
849	PL_comppad = 0;	908	PL_comppad = 0;
		909	PL_comppad_name = 0;
		910	PL_comppad_name_fill = 0;
		911	PL_comppad_name_floor = 0;
850	PL_curpm = 0;	912	PL_curpm = 0;
851	PL_curpad = 0;	913	PL_curpad = 0;
852	PL_localizing = 0;	914	PL_localizing = 0;
853	PL_dirty = 0;	915	PL_dirty = 0;
854	PL_restartop = 0;	916	PL_restartop = 0;
855	#if PERL_VERSION_ATLEAST (5,10,0)	917	#if PERL_VERSION_ATLEAST (5,10,0)
856	PL_parser = 0;	918	PL_parser = 0;
857	#endif	919	#endif
		920	PL_hints = 0;
858		921
859	/* recreate the die/warn hooks */	922	/* recreate the die/warn hooks */
860	PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook );	923	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);	924	PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook);
862		925
863	GvSV (PL_defgv) = newSV (0);	926	GvSV (PL_defgv) = newSV (0);
864	GvAV (PL_defgv) = coro->args; coro->args = 0;	927	GvAV (PL_defgv) = coro->args; coro->args = 0;
865	GvSV (PL_errgv) = newSV (0);	928	GvSV (PL_errgv) = newSV (0);
866	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);	929	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
		930	GvHV (PL_hintgv) = 0;
867	PL_rs = newSVsv (GvSV (irsgv));	931	PL_rs = newSVsv (GvSV (irsgv));
868	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);	932	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);
869		933
870	{	934	{
871	dSP;	935	dSP;
…		…
889	slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */	953	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 */	954	slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */
891		955
892	/* and we have to provide the pp_slf op in any case, so pp_slf can skip it */	956	/* 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;	957	coro_setup_op.op_next = PL_op;
894	coro_setup_op.op_type = OP_CUSTOM;	958	coro_setup_op.op_type = OP_ENTERSUB;
895	coro_setup_op.op_ppaddr = pp_slf;	959	coro_setup_op.op_ppaddr = pp_slf;
896	/* no flags etc. required, as an init function won't be called */	960	/* no flags etc. required, as an init function won't be called */
897		961
898	PL_op = (OP *)&coro_setup_op;	962	PL_op = (OP *)&coro_setup_op;
899		963
900	/* copy throw, in case it was set before coro_setup */	964	/* copy throw, in case it was set before coro_setup */
901	CORO_THROW = coro->except;	965	CORO_THROW = coro->except;
902	}	966	}
903		967
904	static void	968	static void
905	coro_destruct (pTHX_ struct coro *coro)	969	coro_unwind_stacks (pTHX)
906	{	970	{
907	if (!IN_DESTRUCT)	971	if (!IN_DESTRUCT)
908	{	972	{
909	/* restore all saved variables and stuff */	973	/* restore all saved variables and stuff */
910	LEAVE_SCOPE (0);	974	LEAVE_SCOPE (0);
…		…
918	POPSTACK_TO (PL_mainstack);	982	POPSTACK_TO (PL_mainstack);
919		983
920	/* unwind main stack */	984	/* unwind main stack */
921	dounwind (-1);	985	dounwind (-1);
922	}	986	}
		987	}
		988
		989	static void
		990	coro_destruct_perl (pTHX_ struct coro *coro)
		991	{
		992	coro_unwind_stacks (aTHX);
923		993
924	SvREFCNT_dec (GvSV (PL_defgv));	994	SvREFCNT_dec (GvSV (PL_defgv));
925	SvREFCNT_dec (GvAV (PL_defgv));	995	SvREFCNT_dec (GvAV (PL_defgv));
926	SvREFCNT_dec (GvSV (PL_errgv));	996	SvREFCNT_dec (GvSV (PL_errgv));
927	SvREFCNT_dec (PL_defoutgv);	997	SvREFCNT_dec (PL_defoutgv);
928	SvREFCNT_dec (PL_rs);	998	SvREFCNT_dec (PL_rs);
929	SvREFCNT_dec (GvSV (irsgv));	999	SvREFCNT_dec (GvSV (irsgv));
		1000	SvREFCNT_dec (GvHV (PL_hintgv));
930		1001
931	SvREFCNT_dec (PL_diehook);	1002	SvREFCNT_dec (PL_diehook);
932	SvREFCNT_dec (PL_warnhook);	1003	SvREFCNT_dec (PL_warnhook);
933		1004
934	SvREFCNT_dec (coro->saved_deffh);	1005	SvREFCNT_dec (coro->saved_deffh);
…		…
952	static int	1023	static int
953	runops_trace (pTHX)	1024	runops_trace (pTHX)
954	{	1025	{
955	COP *oldcop = 0;	1026	COP *oldcop = 0;
956	int oldcxix = -2;	1027	int oldcxix = -2;
957	struct coro coro = SvSTATE_current; / trace cctx is tied to specific coro */
958	coro_cctx *cctx = coro->cctx;
959		1028
960	while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))	1029	while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))
961	{	1030	{
962	PERL_ASYNC_CHECK ();	1031	PERL_ASYNC_CHECK ();
963		1032
964	if (cctx->flags & CC_TRACE_ALL)	1033	if (cctx_current->flags & CC_TRACE_ALL)
965	{	1034	{
966	if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB)	1035	if (PL_op->op_type == OP_LEAVESUB && cctx_current->flags & CC_TRACE_SUB)
967	{	1036	{
968	PERL_CONTEXT *cx = &cxstack[cxstack_ix];	1037	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
969	SV bot, top;	1038	SV bot, top;
970	AV av = newAV (); / return values */	1039	AV av = newAV (); / return values */
971	SV **cb;	1040	SV **cb;
…		…
1008		1077
1009	if (PL_curcop != &PL_compiling)	1078	if (PL_curcop != &PL_compiling)
1010	{	1079	{
1011	SV **cb;	1080	SV **cb;
1012		1081
1013	if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB)	1082	if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB)
1014	{	1083	{
1015	PERL_CONTEXT *cx = &cxstack[cxstack_ix];	1084	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
1016		1085
1017	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)	1086	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)
1018	{	1087	{
1019	runops_proc_t old_runops = PL_runops;
1020	dSP;	1088	dSP;
1021	GV *gv = CvGV (cx->blk_sub.cv);	1089	GV *gv = CvGV (cx->blk_sub.cv);
1022	SV *fullname = sv_2mortal (newSV (0));	1090	SV *fullname = sv_2mortal (newSV (0));
1023		1091
1024	if (isGV (gv))	1092	if (isGV (gv))
…		…
1042	}	1110	}
1043		1111
1044	oldcxix = cxstack_ix;	1112	oldcxix = cxstack_ix;
1045	}	1113	}
1046		1114
1047	if (cctx->flags & CC_TRACE_LINE)	1115	if (cctx_current->flags & CC_TRACE_LINE)
1048	{	1116	{
1049	dSP;	1117	dSP;
1050		1118
1051	PL_runops = RUNOPS_DEFAULT;	1119	PL_runops = RUNOPS_DEFAULT;
1052	ENTER;	1120	ENTER;
…		…
1071		1139
1072	TAINT_NOT;	1140	TAINT_NOT;
1073	return 0;	1141	return 0;
1074	}	1142	}
1075		1143
1076	static struct coro_cctx *cctx_ssl_cctx;
1077	static struct CoroSLF cctx_ssl_frame;	1144	static struct CoroSLF cctx_ssl_frame;
1078		1145
1079	static void	1146	static void
1080	slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta)	1147	slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta)
1081	{	1148	{
1082	ta->prev = (struct coro *)cctx_ssl_cctx;
1083	ta->next = 0;	1149	ta->prev = 0;
1084	}	1150	}
1085		1151
1086	static int	1152	static int
1087	slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame)	1153	slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame)
1088	{	1154	{
…		…
1091	return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */	1157	return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */
1092	}	1158	}
1093		1159
1094	/* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */	1160	/* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */
1095	static void NOINLINE	1161	static void NOINLINE
1096	cctx_prepare (pTHX_ coro_cctx *cctx)	1162	cctx_prepare (pTHX)
1097	{	1163	{
1098	PL_top_env = &PL_start_env;	1164	PL_top_env = &PL_start_env;
1099		1165
1100	if (cctx->flags & CC_TRACE)	1166	if (cctx_current->flags & CC_TRACE)
1101	PL_runops = runops_trace;	1167	PL_runops = runops_trace;
1102		1168
1103	/* we already must be executing an SLF op, there is no other valid way	1169	/* we already must be executing an SLF op, there is no other valid way
1104	* that can lead to creation of a new cctx */	1170	* that can lead to creation of a new cctx */
1105	assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)",	1171	assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)",
1106	slf_frame.prepare && PL_op->op_ppaddr == pp_slf));	1172	slf_frame.prepare && PL_op->op_ppaddr == pp_slf));
1107		1173
1108	/* we must emulate leaving pp_slf, which is done inside slf_check_set_stacklevel */	1174	/* 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;	1175	cctx_ssl_frame = slf_frame;
1111		1176
1112	slf_frame.prepare = slf_prepare_set_stacklevel;	1177	slf_frame.prepare = slf_prepare_set_stacklevel;
1113	slf_frame.check = slf_check_set_stacklevel;	1178	slf_frame.check = slf_check_set_stacklevel;
1114	}	1179	}
…		…
1137	/* normally we would need to skip the entersub here */	1202	/* normally we would need to skip the entersub here */
1138	/* not doing so will re-execute it, which is exactly what we want */	1203	/* not doing so will re-execute it, which is exactly what we want */
1139	/* PL_nop = PL_nop->op_next */	1204	/* PL_nop = PL_nop->op_next */
1140		1205
1141	/* inject a fake subroutine call to cctx_init */	1206	/* inject a fake subroutine call to cctx_init */
1142	cctx_prepare (aTHX_ (coro_cctx *)arg);	1207	cctx_prepare (aTHX);
1143		1208
1144	/* cctx_run is the alternative tail of transfer() */	1209	/* cctx_run is the alternative tail of transfer() */
1145	transfer_tail (aTHX);	1210	transfer_tail (aTHX);
1146		1211
1147	/* somebody or something will hit me for both perl_run and PL_restartop */	1212	/* somebody or something will hit me for both perl_run and PL_restartop */
…		…
1155	/*	1220	/*
1156	* If perl-run returns we assume exit() was being called or the coro	1221	* 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)	1222	* 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	1223	* 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"	1224	* bootstrap-time "top" top_env, as we cannot restore the "main"
1160	* coroutine as Coro has no such concept	1225	* coroutine as Coro has no such concept.
		1226	* This actually isn't valid with the pthread backend, but OSes requiring
		1227	* that backend are too broken to do it in a standards-compliant way.
1161	*/	1228	*/
1162	PL_top_env = main_top_env;	1229	PL_top_env = main_top_env;
1163	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */	1230	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */
1164	}	1231	}
1165	}	1232	}
…		…
1242	cctx_destroy (coro_cctx *cctx)	1309	cctx_destroy (coro_cctx *cctx)
1243	{	1310	{
1244	if (!cctx)	1311	if (!cctx)
1245	return;	1312	return;
1246		1313
		1314	assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));//D temporary?
		1315
1247	--cctx_count;	1316	--cctx_count;
1248	coro_destroy (&cctx->cctx);	1317	coro_destroy (&cctx->cctx);
1249		1318
1250	/* coro_transfer creates new, empty cctx's */	1319	/* coro_transfer creates new, empty cctx's */
1251	if (cctx->sptr)	1320	if (cctx->sptr)
…		…
1314	/* TODO: throwing up here is considered harmful */	1383	/* TODO: throwing up here is considered harmful */
1315		1384
1316	if (expect_true (prev != next))	1385	if (expect_true (prev != next))
1317	{	1386	{
1318	if (expect_false (!(prev->flags & (CF_RUNNING \| CF_NEW))))	1387	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,");	1388	croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,");
1320		1389
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))	1390	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,");	1391	croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,");
1326		1392
1327	#if !PERL_VERSION_ATLEAST (5,10,0)	1393	#if !PERL_VERSION_ATLEAST (5,10,0)
1328	if (expect_false (PL_lex_state != LEX_NOTPARSING))	1394	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,");	1395	croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,");
1330	#endif	1396	#endif
…		…
1336	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)	1402	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)
1337	{	1403	{
1338	dSTACKLEVEL;	1404	dSTACKLEVEL;
1339		1405
1340	/* sometimes transfer is only called to set idle_sp */	1406	/* sometimes transfer is only called to set idle_sp */
1341	if (expect_false (!next))	1407	if (expect_false (!prev))
1342	{	1408	{
1343	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1409	cctx_current->idle_sp = STACKLEVEL;
1344	assert (((coro_cctx )prev)->idle_te = PL_top_env); / just for the side-effect when asserts are enabled */	1410	assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */
1345	}	1411	}
1346	else if (expect_true (prev != next))	1412	else if (expect_true (prev != next))
1347	{	1413	{
1348	coro_cctx *prev__cctx;	1414	coro_cctx *cctx_prev;
1349		1415
1350	if (expect_false (prev->flags & CF_NEW))	1416	if (expect_false (prev->flags & CF_NEW))
1351	{	1417	{
1352	/* create a new empty/source context */	1418	/* create a new empty/source context */
1353	prev->cctx = cctx_new_empty ();
1354	prev->flags &= ~CF_NEW;	1419	prev->flags &= ~CF_NEW;
1355	prev->flags \|= CF_RUNNING;	1420	prev->flags \|= CF_RUNNING;
1356	}	1421	}
1357		1422
1358	prev->flags &= ~CF_RUNNING;	1423	prev->flags &= ~CF_RUNNING;
…		…
1369	coro_setup (aTHX_ next);	1434	coro_setup (aTHX_ next);
1370	}	1435	}
1371	else	1436	else
1372	load_perl (aTHX_ next);	1437	load_perl (aTHX_ next);
1373		1438
1374	prev__cctx = prev->cctx;
1375
1376	/* possibly untie and reuse the cctx */	1439	/* possibly untie and reuse the cctx */
1377	if (expect_true (	1440	if (expect_true (
1378	prev__cctx->idle_sp == STACKLEVEL	1441	cctx_current->idle_sp == STACKLEVEL
1379	&& !(prev__cctx->flags & CC_TRACE)	1442	&& !(cctx_current->flags & CC_TRACE)
1380	&& !force_cctx	1443	&& !force_cctx
1381	))	1444	))
1382	{	1445	{
1383	/* I assume that stacklevel is a stronger indicator than PL_top_env changes */	1446	/* 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));	1447	assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te));
1385		1448
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 */	1449	/* 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 */	1450	/* without this the next cctx_get might destroy the running cctx while still in use */
1390	if (expect_false (CCTX_EXPIRED (prev__cctx)))	1451	if (expect_false (CCTX_EXPIRED (cctx_current)))
1391	if (!next->cctx)	1452	if (expect_true (!next->cctx))
1392	next->cctx = cctx_get (aTHX);	1453	next->cctx = cctx_get (aTHX);
1393		1454
1394	cctx_put (prev__cctx);	1455	cctx_put (cctx_current);
1395	}	1456	}
		1457	else
		1458	prev->cctx = cctx_current;
1396		1459
1397	++next->usecount;	1460	++next->usecount;
1398		1461
1399	if (expect_true (!next->cctx))	1462	cctx_prev = cctx_current;
1400	next->cctx = cctx_get (aTHX);	1463	cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX);
1401		1464
1402	if (expect_false (prev__cctx != next->cctx))	1465	next->cctx = 0;
		1466
		1467	if (expect_false (cctx_prev != cctx_current))
1403	{	1468	{
1404	prev__cctx->top_env = PL_top_env;	1469	cctx_prev->top_env = PL_top_env;
1405	PL_top_env = next->cctx->top_env;	1470	PL_top_env = cctx_current->top_env;
1406	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);	1471	coro_transfer (&cctx_prev->cctx, &cctx_current->cctx);
1407	}	1472	}
1408		1473
1409	transfer_tail (aTHX);	1474	transfer_tail (aTHX);
1410	}	1475	}
1411	}	1476	}
…		…
1433	--coro_nready;	1498	--coro_nready;
1434	}	1499	}
1435	else	1500	else
1436	coro->flags \|= CF_READY; /* make sure it is NOT put into the readyqueue */	1501	coro->flags \|= CF_READY; /* make sure it is NOT put into the readyqueue */
1437		1502
1438	if (coro->mainstack && coro->mainstack != main_mainstack)	1503	if (coro->mainstack
		1504	&& coro->mainstack != main_mainstack
		1505	&& coro->slot
		1506	&& !PL_dirty)
1439	{	1507	{
1440	struct coro temp;	1508	struct coro *current = SvSTATE_current;
1441		1509
1442	assert (("FATAL: tried to destroy currently running coroutine (please report)", !(coro->flags & CF_RUNNING)));	1510	assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack));
1443		1511
1444	save_perl (aTHX_ &temp);	1512	save_perl (aTHX_ current);
1445	load_perl (aTHX_ coro);	1513	load_perl (aTHX_ coro);
1446		1514
1447	coro_destruct (aTHX_ coro);	1515	coro_destruct_perl (aTHX_ coro);
1448		1516
1449	load_perl (aTHX_ &temp);	1517	load_perl (aTHX_ current);
1450		1518
1451	coro->slot = 0;	1519	coro->slot = 0;
1452	}	1520	}
1453		1521
1454	cctx_destroy (coro->cctx);	1522	cctx_destroy (coro->cctx);
…		…
1566	{	1634	{
1567	struct coro *coro;	1635	struct coro *coro;
1568	SV *sv_hook;	1636	SV *sv_hook;
1569	void (*xs_hook)(void);	1637	void (*xs_hook)(void);
1570		1638
1571	if (SvROK (coro_sv))
1572	coro_sv = SvRV (coro_sv);
1573
1574	coro = SvSTATE (coro_sv);	1639	coro = SvSTATE (coro_sv);
1575		1640
1576	if (coro->flags & CF_READY)	1641	if (coro->flags & CF_READY)
1577	return 0;	1642	return 0;
1578		1643
…		…
1609	api_is_ready (pTHX_ SV *coro_sv)	1674	api_is_ready (pTHX_ SV *coro_sv)
1610	{	1675	{
1611	return !!(SvSTATE (coro_sv)->flags & CF_READY);	1676	return !!(SvSTATE (coro_sv)->flags & CF_READY);
1612	}	1677	}
1613		1678
		1679	/* expects to own a reference to next->hv */
1614	INLINE void	1680	INLINE void
1615	prepare_schedule (pTHX_ struct coro_transfer_args *ta)	1681	prepare_schedule_to (pTHX_ struct coro_transfer_args ta, struct coro next)
1616	{	1682	{
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);	1683	SV *prev_sv = SvRV (coro_current);
		1684
1656	ta->prev = SvSTATE_hv (prev_sv);	1685	ta->prev = SvSTATE_hv (prev_sv);
		1686	ta->next = next;
		1687
1657	TRANSFER_CHECK (*ta);	1688	TRANSFER_CHECK (*ta);
1658	assert (("FATAL: next coroutine isn't marked as ready in Coro (please report)", ta->next->flags & CF_READY));	1689
1659	ta->next->flags &= ~CF_READY;
1660	SvRV_set (coro_current, next_sv);	1690	SvRV_set (coro_current, (SV *)next->hv);
1661		1691
1662	free_coro_mortal (aTHX);	1692	free_coro_mortal (aTHX);
1663	coro_mortal = prev_sv;	1693	coro_mortal = prev_sv;
1664	}	1694	}
1665		1695
		1696	static void
		1697	prepare_schedule (pTHX_ struct coro_transfer_args *ta)
		1698	{
		1699	for (;;)
		1700	{
		1701	SV *next_sv = coro_deq (aTHX);
		1702
		1703	if (expect_true (next_sv))
		1704	{
		1705	struct coro *next = SvSTATE_hv (next_sv);
		1706
		1707	/* cannot transfer to destroyed coros, skip and look for next */
		1708	if (expect_false (next->flags & (CF_DESTROYED \| CF_SUSPENDED)))
		1709	SvREFCNT_dec (next_sv); /* coro_nready has already been taken care of by destroy */
		1710	else
		1711	{
		1712	next->flags &= ~CF_READY;
		1713	--coro_nready;
		1714
		1715	prepare_schedule_to (aTHX_ ta, next);
		1716	break;
		1717	}
		1718	}
		1719	else
		1720	{
		1721	/* nothing to schedule: call the idle handler */
		1722	if (SvROK (sv_idle)
		1723	&& SvOBJECT (SvRV (sv_idle)))
		1724	{
		1725	++coro_nready; /* hack so that api_ready doesn't invoke ready hook */
		1726	api_ready (aTHX_ SvRV (sv_idle));
		1727	--coro_nready;
		1728	}
		1729	else
		1730	{
		1731	dSP;
		1732
		1733	ENTER;
		1734	SAVETMPS;
		1735
		1736	PUSHMARK (SP);
		1737	PUTBACK;
		1738	call_sv (sv_idle, G_VOID \| G_DISCARD);
		1739
		1740	FREETMPS;
		1741	LEAVE;
		1742	}
		1743	}
		1744	}
		1745	}
		1746
1666	INLINE void	1747	INLINE void
1667	prepare_cede (pTHX_ struct coro_transfer_args *ta)	1748	prepare_cede (pTHX_ struct coro_transfer_args *ta)
1668	{	1749	{
1669	api_ready (aTHX_ coro_current);	1750	api_ready (aTHX_ coro_current);
1670	prepare_schedule (aTHX_ ta);	1751	prepare_schedule (aTHX_ ta);
…		…
1689	{	1770	{
1690	struct coro_transfer_args ta;	1771	struct coro_transfer_args ta;
1691		1772
1692	prepare_schedule (aTHX_ &ta);	1773	prepare_schedule (aTHX_ &ta);
1693	TRANSFER (ta, 1);	1774	TRANSFER (ta, 1);
		1775	}
		1776
		1777	static void
		1778	api_schedule_to (pTHX_ SV *coro_sv)
		1779	{
		1780	struct coro_transfer_args ta;
		1781	struct coro *next = SvSTATE (coro_sv);
		1782
		1783	SvREFCNT_inc_NN (coro_sv);
		1784	prepare_schedule_to (aTHX_ &ta, next);
1694	}	1785	}
1695		1786
1696	static int	1787	static int
1697	api_cede (pTHX)	1788	api_cede (pTHX)
1698	{	1789	{
…		…
1727	static void	1818	static void
1728	api_trace (pTHX_ SV *coro_sv, int flags)	1819	api_trace (pTHX_ SV *coro_sv, int flags)
1729	{	1820	{
1730	struct coro *coro = SvSTATE (coro_sv);	1821	struct coro *coro = SvSTATE (coro_sv);
1731		1822
		1823	if (coro->flags & CF_RUNNING)
		1824	croak ("cannot enable tracing on a running coroutine, caught");
		1825
1732	if (flags & CC_TRACE)	1826	if (flags & CC_TRACE)
1733	{	1827	{
1734	if (!coro->cctx)	1828	if (!coro->cctx)
1735	coro->cctx = cctx_new_run ();	1829	coro->cctx = cctx_new_run ();
1736	else if (!(coro->cctx->flags & CC_TRACE))	1830	else if (!(coro->cctx->flags & CC_TRACE))
1737	croak ("cannot enable tracing on coroutine with custom stack,");	1831	croak ("cannot enable tracing on coroutine with custom stack, caught");
1738		1832
1739	coro->cctx->flags \|= CC_NOREUSE \| (flags & (CC_TRACE \| CC_TRACE_ALL));	1833	coro->cctx->flags \|= CC_NOREUSE \| (flags & (CC_TRACE \| CC_TRACE_ALL));
1740	}	1834	}
1741	else if (coro->cctx && coro->cctx->flags & CC_TRACE)	1835	else if (coro->cctx && coro->cctx->flags & CC_TRACE)
1742	{	1836	{
…		…
1745	if (coro->flags & CF_RUNNING)	1839	if (coro->flags & CF_RUNNING)
1746	PL_runops = RUNOPS_DEFAULT;	1840	PL_runops = RUNOPS_DEFAULT;
1747	else	1841	else
1748	coro->slot->runops = RUNOPS_DEFAULT;	1842	coro->slot->runops = RUNOPS_DEFAULT;
1749	}	1843	}
		1844	}
		1845
		1846	static void
		1847	coro_call_on_destroy (pTHX_ struct coro *coro)
		1848	{
		1849	SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0);
		1850	SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0);
		1851
		1852	if (on_destroyp)
		1853	{
		1854	AV on_destroy = (AV )SvRV (*on_destroyp);
		1855
		1856	while (AvFILLp (on_destroy) >= 0)
		1857	{
		1858	dSP; /* don't disturb outer sp */
		1859	SV *cb = av_pop (on_destroy);
		1860
		1861	PUSHMARK (SP);
		1862
		1863	if (statusp)
		1864	{
		1865	int i;
		1866	AV status = (AV )SvRV (*statusp);
		1867	EXTEND (SP, AvFILLp (status) + 1);
		1868
		1869	for (i = 0; i <= AvFILLp (status); ++i)
		1870	PUSHs (AvARRAY (status)[i]);
		1871	}
		1872
		1873	PUTBACK;
		1874	call_sv (sv_2mortal (cb), G_VOID \| G_DISCARD);
		1875	}
		1876	}
		1877	}
		1878
		1879	static void
		1880	slf_init_terminate (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)
		1881	{
		1882	int i;
		1883	HV hv = (HV )SvRV (coro_current);
		1884	AV *av = newAV ();
		1885
		1886	av_extend (av, items - 1);
		1887	for (i = 0; i < items; ++i)
		1888	av_push (av, SvREFCNT_inc_NN (arg [i]));
		1889
		1890	hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0);
		1891
		1892	av_push (av_destroy, (SV )newRV_inc ((SV )hv)); /* RVinc for perl */
		1893	api_ready (aTHX_ sv_manager);
		1894
		1895	frame->prepare = prepare_schedule;
		1896	frame->check = slf_check_repeat;
		1897
		1898	/* as a minor optimisation, we could unwind all stacks here */
		1899	/* but that puts extra pressure on pp_slf, and is not worth much */
		1900	/coro_unwind_stacks (aTHX);/
1750	}	1901	}
1751		1902
1752	/*****************************************************************************/	1903	/*****************************************************************************/
1753	/* async pool handler */	1904	/* async pool handler */
1754		1905
…		…
1987	static void	2138	static void
1988	slf_init_schedule (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)	2139	slf_init_schedule (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)
1989	{	2140	{
1990	frame->prepare = prepare_schedule;	2141	frame->prepare = prepare_schedule;
1991	frame->check = slf_check_nop;	2142	frame->check = slf_check_nop;
		2143	}
		2144
		2145	static void
		2146	slf_prepare_schedule_to (pTHX_ struct coro_transfer_args *ta)
		2147	{
		2148	struct coro next = (struct coro )slf_frame.data;
		2149
		2150	SvREFCNT_inc_NN (next->hv);
		2151	prepare_schedule_to (aTHX_ ta, next);
		2152	}
		2153
		2154	static void
		2155	slf_init_schedule_to (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)
		2156	{
		2157	if (!items)
		2158	croak ("Coro::schedule_to expects a coroutine argument, caught");
		2159
		2160	frame->data = (void *)SvSTATE (arg [0]);
		2161	frame->prepare = slf_prepare_schedule_to;
		2162	frame->check = slf_check_nop;
		2163	}
		2164
		2165	static void
		2166	slf_init_cede_to (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)
		2167	{
		2168	api_ready (aTHX_ SvRV (coro_current));
		2169
		2170	slf_init_schedule_to (aTHX_ frame, cv, arg, items);
1992	}	2171	}
1993		2172
1994	static void	2173	static void
1995	slf_init_cede (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)	2174	slf_init_cede (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)
1996	{	2175	{
…		…
2142	}	2321	}
2143	else	2322	else
2144	slf_argc = 0;	2323	slf_argc = 0;
2145		2324
2146	PL_op->op_ppaddr = pp_slf;	2325	PL_op->op_ppaddr = pp_slf;
2147	PL_op->op_type = OP_CUSTOM; /* maybe we should leave it at entersub? */	2326	/PL_op->op_type = OP_CUSTOM; / we do behave like entersub still */
2148		2327
2149	PL_op = (OP *)&slf_restore;	2328	PL_op = (OP *)&slf_restore;
		2329	}
		2330
		2331	/*****************************************************************************/
		2332	/* dynamic wind */
		2333
		2334	static void
		2335	on_enterleave_call (pTHX_ SV *cb)
		2336	{
		2337	dSP;
		2338
		2339	PUSHSTACK;
		2340
		2341	PUSHMARK (SP);
		2342	PUTBACK;
		2343	call_sv (cb, G_VOID \| G_DISCARD);
		2344	SPAGAIN;
		2345
		2346	POPSTACK;
		2347	}
		2348
		2349	static SV *
		2350	coro_avp_pop_and_free (pTHX_ AV **avp)
		2351	{
		2352	AV av = avp;
		2353	SV *res = av_pop (av);
		2354
		2355	if (AvFILLp (av) < 0)
		2356	{
		2357	*avp = 0;
		2358	SvREFCNT_dec (av);
		2359	}
		2360
		2361	return res;
		2362	}
		2363
		2364	static void
		2365	coro_pop_on_enter (pTHX_ void *coro)
		2366	{
		2367	SV cb = coro_avp_pop_and_free (aTHX_ &((struct coro )coro)->on_enter);
		2368	SvREFCNT_dec (cb);
		2369	}
		2370
		2371	static void
		2372	coro_pop_on_leave (pTHX_ void *coro)
		2373	{
		2374	SV cb = coro_avp_pop_and_free (aTHX_ &((struct coro )coro)->on_leave);
		2375	on_enterleave_call (aTHX_ sv_2mortal (cb));
2150	}	2376	}
2151		2377
2152	/*****************************************************************************/	2378	/*****************************************************************************/
2153	/* PerlIO::cede */	2379	/* PerlIO::cede */
2154		2380
…		…
2235	SV **ary;	2461	SV **ary;
2236		2462
2237	/* unfortunately, building manually saves memory */	2463	/* unfortunately, building manually saves memory */
2238	Newx (ary, 2, SV *);	2464	Newx (ary, 2, SV *);
2239	AvALLOC (av) = ary;	2465	AvALLOC (av) = ary;
		2466	#if PERL_VERSION_ATLEAST (5,10,0)
2240	/AvARRAY (av) = ary;/	2467	AvARRAY (av) = ary;
		2468	#else
2241	SvPVX ((SV )av) = (char )ary; /* 5.8.8 needs this syntax instead of AvARRAY = ary */	2469	/* 5.8.8 needs this syntax instead of AvARRAY = ary, yet */
		2470	/* -DDEBUGGING flags this as a bug, despite it perfectly working */
		2471	SvPVX ((SV )av) = (char )ary;
		2472	#endif
2242	AvMAX (av) = 1;	2473	AvMAX (av) = 1;
2243	AvFILLp (av) = 0;	2474	AvFILLp (av) = 0;
2244	ary [0] = newSViv (count);	2475	ary [0] = newSViv (count);
2245		2476
2246	return newRV_noinc ((SV *)av);	2477	return newRV_noinc ((SV *)av);
…		…
2616	XSRETURN_EMPTY;	2847	XSRETURN_EMPTY;
2617	}	2848	}
2618		2849
2619	/*****************************************************************************/	2850	/*****************************************************************************/
2620		2851
		2852	#if CORO_CLONE
		2853	# include "clone.c"
		2854	#endif
		2855
2621	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	2856	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
2622		2857
2623	PROTOTYPES: DISABLE	2858	PROTOTYPES: DISABLE
2624		2859
2625	BOOT:	2860	BOOT:
…		…
2629	coro_thx = PERL_GET_CONTEXT;	2864	coro_thx = PERL_GET_CONTEXT;
2630	# endif	2865	# endif
2631	#endif	2866	#endif
2632	BOOT_PAGESIZE;	2867	BOOT_PAGESIZE;
2633		2868
		2869	cctx_current = cctx_new_empty ();
		2870
2634	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);	2871	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
2635	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);	2872	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
2636		2873
2637	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;	2874	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;	2875	orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;
…		…
2657		2894
2658	{	2895	{
2659	SV *slf = sv_2mortal (newSViv (PTR2IV (pp_slf)));	2896	SV *slf = sv_2mortal (newSViv (PTR2IV (pp_slf)));
2660		2897
2661	if (!PL_custom_op_names) PL_custom_op_names = newHV ();	2898	if (!PL_custom_op_names) PL_custom_op_names = newHV ();
2662	hv_store_ent (PL_custom_op_names, slf,	2899	hv_store_ent (PL_custom_op_names, slf, newSVpv ("coro_slf", 0), 0);
2663	newSVpv ("coro_slf", 0), 0);
2664		2900
2665	if (!PL_custom_op_descs) PL_custom_op_descs = newHV ();	2901	if (!PL_custom_op_descs) PL_custom_op_descs = newHV ();
2666	hv_store_ent (PL_custom_op_descs, slf,	2902	hv_store_ent (PL_custom_op_descs, slf, newSVpv ("coro schedule like function", 0), 0);
2667	newSVpv ("coro schedule like function", 0), 0);
2668	}	2903	}
2669		2904
2670	coroapi.ver = CORO_API_VERSION;	2905	coroapi.ver = CORO_API_VERSION;
2671	coroapi.rev = CORO_API_REVISION;	2906	coroapi.rev = CORO_API_REVISION;
2672		2907
…		…
2765	void	3000	void
2766	_exit (int code)	3001	_exit (int code)
2767	PROTOTYPE: $	3002	PROTOTYPE: $
2768	CODE:	3003	CODE:
2769	_exit (code);	3004	_exit (code);
		3005
		3006	SV *
		3007	clone (Coro::State coro)
		3008	CODE:
		3009	{
		3010	#if CORO_CLONE
		3011	struct coro *ncoro = coro_clone (aTHX_ coro);
		3012	MAGIC *mg;
		3013	/* TODO: too much duplication */
		3014	ncoro->hv = newHV ();
		3015	mg = sv_magicext ((SV )ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char )ncoro, 0);
		3016	mg->mg_flags \|= MGf_DUP;
		3017	RETVAL = sv_bless (newRV_noinc ((SV *)ncoro->hv), SvSTASH (coro->hv));
		3018	#else
		3019	croak ("Coro::State->clone has not been configured into this installation of Coro, realised");
		3020	#endif
		3021	}
		3022	OUTPUT:
		3023	RETVAL
2770		3024
2771	int	3025	int
2772	cctx_stacksize (int new_stacksize = 0)	3026	cctx_stacksize (int new_stacksize = 0)
2773	PROTOTYPE: ;$	3027	PROTOTYPE: ;$
2774	CODE:	3028	CODE:
…		…
2824	eval = 1	3078	eval = 1
2825	CODE:	3079	CODE:
2826	{	3080	{
2827	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))	3081	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))
2828	{	3082	{
2829	struct coro temp;	3083	struct coro *current = SvSTATE_current;
2830		3084
2831	if (!(coro->flags & CF_RUNNING))	3085	if (current != coro)
2832	{	3086	{
2833	PUTBACK;	3087	PUTBACK;
2834	save_perl (aTHX_ &temp);	3088	save_perl (aTHX_ current);
2835	load_perl (aTHX_ coro);	3089	load_perl (aTHX_ coro);
		3090	SPAGAIN;
2836	}	3091	}
2837		3092
2838	{
2839	dSP;
2840	ENTER;
2841	SAVETMPS;
2842	PUTBACK;
2843	PUSHSTACK;	3093	PUSHSTACK;
		3094
2844	PUSHMARK (SP);	3095	PUSHMARK (SP);
		3096	PUTBACK;
2845		3097
2846	if (ix)	3098	if (ix)
2847	eval_sv (coderef, 0);	3099	eval_sv (coderef, 0);
2848	else	3100	else
2849	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	3101	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
2850		3102
2851	POPSTACK;	3103	POPSTACK;
2852	SPAGAIN;	3104	SPAGAIN;
2853	FREETMPS;
2854	LEAVE;
2855	PUTBACK;
2856	}
2857		3105
2858	if (!(coro->flags & CF_RUNNING))	3106	if (current != coro)
2859	{	3107	{
		3108	PUTBACK;
2860	save_perl (aTHX_ coro);	3109	save_perl (aTHX_ coro);
2861	load_perl (aTHX_ &temp);	3110	load_perl (aTHX_ current);
2862	SPAGAIN;	3111	SPAGAIN;
2863	}	3112	}
2864	}	3113	}
2865	}	3114	}
2866		3115
…		…
2870	ALIAS:	3119	ALIAS:
2871	is_ready = CF_READY	3120	is_ready = CF_READY
2872	is_running = CF_RUNNING	3121	is_running = CF_RUNNING
2873	is_new = CF_NEW	3122	is_new = CF_NEW
2874	is_destroyed = CF_DESTROYED	3123	is_destroyed = CF_DESTROYED
		3124	is_suspended = CF_SUSPENDED
2875	CODE:	3125	CODE:
2876	RETVAL = boolSV (coro->flags & ix);	3126	RETVAL = boolSV (coro->flags & ix);
2877	OUTPUT:	3127	OUTPUT:
2878	RETVAL	3128	RETVAL
2879		3129
…		…
2895		3145
2896	SV *	3146	SV *
2897	has_cctx (Coro::State coro)	3147	has_cctx (Coro::State coro)
2898	PROTOTYPE: $	3148	PROTOTYPE: $
2899	CODE:	3149	CODE:
2900	RETVAL = boolSV (!!coro->cctx);	3150	/* maybe manage the running flag differently */
		3151	RETVAL = boolSV (!!coro->cctx \|\| (coro->flags & CF_RUNNING));
2901	OUTPUT:	3152	OUTPUT:
2902	RETVAL	3153	RETVAL
2903		3154
2904	int	3155	int
2905	is_traced (Coro::State coro)	3156	is_traced (Coro::State coro)
…		…
2925		3176
2926	void	3177	void
2927	force_cctx ()	3178	force_cctx ()
2928	PROTOTYPE:	3179	PROTOTYPE:
2929	CODE:	3180	CODE:
2930	SvSTATE_current->cctx->idle_sp = 0;	3181	cctx_current->idle_sp = 0;
2931		3182
2932	void	3183	void
2933	swap_defsv (Coro::State self)	3184	swap_defsv (Coro::State self)
2934	PROTOTYPE: $	3185	PROTOTYPE: $
2935	ALIAS:	3186	ALIAS:
…		…
2943	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;	3194	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;
2944		3195
2945	SV tmp = src; src = dst; *dst = tmp;	3196	SV tmp = src; src = dst; *dst = tmp;
2946	}	3197	}
2947		3198
		3199	void
		3200	cancel (Coro::State self)
		3201	CODE:
		3202	coro_state_destroy (aTHX_ self);
		3203	coro_call_on_destroy (aTHX_ self); /* actually only for Coro objects */
		3204
2948		3205
2949	MODULE = Coro::State PACKAGE = Coro	3206	MODULE = Coro::State PACKAGE = Coro
2950		3207
2951	BOOT:	3208	BOOT:
2952	{	3209	{
2953	int i;	3210	int i;
2954		3211
2955	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
2956	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);	3212	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
2957	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);	3213	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
2958	cv_coro_run = get_cv ( "Coro::_terminate", GV_ADD);	3214	cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD);
2959	cv_coro_terminate = get_cv ( "Coro::terminate", GV_ADD);	3215	cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD);
2960	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE);	3216	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);
2961	SvREADONLY_on (coro_current);	3217	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
		3218	av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE);
		3219	sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE);
		3220	sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE);
2962		3221
2963	sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle);	3222	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);	3223	sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro);
2965	cv_pool_handler = get_cv ("Coro::_pool_handler", 0); SvREADONLY_on (cv_pool_handler);	3224	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);	3225	cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new);
2967		3226
2968	coro_stash = gv_stashpv ("Coro", TRUE);	3227	coro_stash = gv_stashpv ("Coro", TRUE);
2969		3228
2970	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	3229	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
2971	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	3230	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
…		…
2979		3238
2980	{	3239	{
2981	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);	3240	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);
2982		3241
2983	coroapi.schedule = api_schedule;	3242	coroapi.schedule = api_schedule;
		3243	coroapi.schedule_to = api_schedule_to;
2984	coroapi.cede = api_cede;	3244	coroapi.cede = api_cede;
2985	coroapi.cede_notself = api_cede_notself;	3245	coroapi.cede_notself = api_cede_notself;
2986	coroapi.ready = api_ready;	3246	coroapi.ready = api_ready;
2987	coroapi.is_ready = api_is_ready;	3247	coroapi.is_ready = api_is_ready;
2988	coroapi.nready = coro_nready;	3248	coroapi.nready = coro_nready;
…		…
2993	SvREADONLY_on (sv);	3253	SvREADONLY_on (sv);
2994	}	3254	}
2995	}	3255	}
2996		3256
2997	void	3257	void
		3258	terminate (...)
		3259	CODE:
		3260	CORO_EXECUTE_SLF_XS (slf_init_terminate);
		3261
		3262	void
2998	schedule (...)	3263	schedule (...)
2999	CODE:	3264	CODE:
3000	CORO_EXECUTE_SLF_XS (slf_init_schedule);	3265	CORO_EXECUTE_SLF_XS (slf_init_schedule);
		3266
		3267	void
		3268	schedule_to (...)
		3269	CODE:
		3270	CORO_EXECUTE_SLF_XS (slf_init_schedule_to);
		3271
		3272	void
		3273	cede_to (...)
		3274	CODE:
		3275	CORO_EXECUTE_SLF_XS (slf_init_cede_to);
3001		3276
3002	void	3277	void
3003	cede (...)	3278	cede (...)
3004	CODE:	3279	CODE:
3005	CORO_EXECUTE_SLF_XS (slf_init_cede);	3280	CORO_EXECUTE_SLF_XS (slf_init_cede);
…		…
3086	PUSHMARK (SP);	3361	PUSHMARK (SP);
3087	EXTEND (SP, 2);	3362	EXTEND (SP, 2);
3088	PUSHs (sv_Coro);	3363	PUSHs (sv_Coro);
3089	PUSHs ((SV *)cv_pool_handler);	3364	PUSHs ((SV *)cv_pool_handler);
3090	PUTBACK;	3365	PUTBACK;
3091	call_sv ((SV *)cv_coro_new, G_SCALAR);	3366	call_sv ((SV *)cv_coro_state_new, G_SCALAR);
3092	SPAGAIN;	3367	SPAGAIN;
3093		3368
3094	hv = (HV *)SvREFCNT_inc_NN (SvRV (POPs));	3369	hv = (HV *)SvREFCNT_inc_NN (SvRV (POPs));
3095	}	3370	}
3096		3371
…		…
3122	void	3397	void
3123	rouse_wait (...)	3398	rouse_wait (...)
3124	PROTOTYPE: ;$	3399	PROTOTYPE: ;$
3125	PPCODE:	3400	PPCODE:
3126	CORO_EXECUTE_SLF_XS (slf_init_rouse_wait);	3401	CORO_EXECUTE_SLF_XS (slf_init_rouse_wait);
		3402
		3403	void
		3404	on_enter (SV *block)
		3405	ALIAS:
		3406	on_leave = 1
		3407	PROTOTYPE: &
		3408	CODE:
		3409	{
		3410	struct coro *coro = SvSTATE_current;
		3411	AV **avp = ix ? &coro->on_leave : &coro->on_enter;
		3412
		3413	block = (SV *)coro_sv_2cv (aTHX_ block);
		3414
		3415	if (!*avp)
		3416	*avp = newAV ();
		3417
		3418	av_push (*avp, SvREFCNT_inc (block));
		3419
		3420	if (!ix)
		3421	on_enterleave_call (aTHX_ block);
		3422
		3423	LEAVE; /* pp_entersub unfortunately forces an ENTER/LEAVE around xs calls */
		3424	SAVEDESTRUCTOR_X (ix ? coro_pop_on_leave : coro_pop_on_enter, (void *)coro);
		3425	ENTER; /* pp_entersub unfortunately forces an ENTER/LEAVE around xs calls */
		3426	}
3127		3427
3128		3428
3129	MODULE = Coro::State PACKAGE = PerlIO::cede	3429	MODULE = Coro::State PACKAGE = PerlIO::cede
3130		3430
3131	BOOT:	3431	BOOT:
…		…
3142	GvSTASH (CvGV (cv))	3442	GvSTASH (CvGV (cv))
3143	);	3443	);
3144	OUTPUT:	3444	OUTPUT:
3145	RETVAL	3445	RETVAL
3146		3446
3147	# helper for Coro::Channel	3447	# helper for Coro::Channel and others
3148	SV *	3448	SV *
3149	_alloc (int count)	3449	_alloc (int count)
3150	CODE:	3450	CODE:
3151	RETVAL = coro_waitarray_new (aTHX_ count);	3451	RETVAL = coro_waitarray_new (aTHX_ count);
3152	OUTPUT:	3452	OUTPUT:

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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 1.343 by root, Mon Dec 15 16:41:43 2008 UTC

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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 1.343 by root, Mon Dec 15 16:41:43 2008 UTC