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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.316 by root, Thu Nov 20 06:01:40 2008 UTC vs.
Revision 1.343 by root, Mon Dec 15 16:41:43 2008 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
…		…
170	static AV main_mainstack; / used to differentiate between $main and others */	173	static AV main_mainstack; / used to differentiate between $main and others */
171	static JMPENV *main_top_env;	174	static JMPENV *main_top_env;
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
		178	static AV av_destroy; / destruction queue */
		179	static SV sv_manager; / the manager coro */
		180	static SV sv_idle; / $Coro::idle */
		181
175	static GV irsgv; / $/ */	182	static GV irsgv; / $/ */
176	static GV stdoutgv; / STDOUT /	183	static GV stdoutgv; / STDOUT /
177	static SV *rv_diehook;	184	static SV *rv_diehook;
178	static SV *rv_warnhook;	185	static SV *rv_warnhook;
179	static HV hv_sig; / %SIG */	186	static HV hv_sig; / %SIG */
180		187
181	/* async_pool helper stuff */	188	/* async_pool helper stuff */
182	static SV *sv_pool_rss;	189	static SV *sv_pool_rss;
183	static SV *sv_pool_size;	190	static SV *sv_pool_size;
184	static SV *sv_async_pool_idle;	191	static SV sv_async_pool_idle; / description string */
185	static AV *av_async_pool;	192	static AV av_async_pool; / idle pool */
186	static SV *sv_Coro;	193	static SV sv_Coro; / class string */
187	static CV *cv_pool_handler;	194	static CV *cv_pool_handler;
188	static CV *cv_coro_state_new;	195	static CV *cv_coro_state_new;
189		196
190	/* Coro::AnyEvent */	197	/* Coro::AnyEvent */
191	static SV *sv_activity;	198	static SV *sv_activity;
…		…
222	int valgrind_id;	229	int valgrind_id;
223	#endif	230	#endif
224	unsigned char flags;	231	unsigned char flags;
225	} coro_cctx;	232	} coro_cctx;
226		233
		234	coro_cctx cctx_current; / the currently running cctx */
		235
		236	/*****************************************************************************/
		237
227	enum {	238	enum {
228	CF_RUNNING = 0x0001, /* coroutine is running */	239	CF_RUNNING = 0x0001, /* coroutine is running */
229	CF_READY = 0x0002, /* coroutine is ready */	240	CF_READY = 0x0002, /* coroutine is ready */
230	CF_NEW = 0x0004, /* has never been switched to */	241	CF_NEW = 0x0004, /* has never been switched to */
231	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 */
232	};	244	};
233		245
234	/* 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 */
235	typedef struct	247	typedef struct
236	{	248	{
237	SV *defsv;	249	SV *defsv;
238	AV *defav;	250	AV *defav;
239	SV *errsv;	251	SV *errsv;
240	SV *irsgv;	252	SV *irsgv;
		253	HV *hinthv;
241	#define VAR(name,type) type name;	254	#define VAR(name,type) type name;
242	# include "state.h"	255	# include "state.h"
243	#undef VAR	256	#undef VAR
244	} perl_slots;	257	} perl_slots;
245		258
…		…
272		285
273	/* async_pool */	286	/* async_pool */
274	SV *saved_deffh;	287	SV *saved_deffh;
275	SV *invoke_cb;	288	SV *invoke_cb;
276	AV *invoke_av;	289	AV *invoke_av;
		290
		291	/* on_enter/on_leave */
		292	AV *on_enter;
		293	AV *on_leave;
277		294
278	/* linked list */	295	/* linked list */
279	struct coro next, prev;	296	struct coro next, prev;
280	};	297	};
281		298
…		…
340	INLINE CV *	357	INLINE CV *
341	coro_sv_2cv (pTHX_ SV *sv)	358	coro_sv_2cv (pTHX_ SV *sv)
342	{	359	{
343	HV *st;	360	HV *st;
344	GV *gvp;	361	GV *gvp;
345	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;
346	}	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 */
347		421
348	static AV *	422	static AV *
349	coro_clone_padlist (pTHX_ CV *cv)	423	coro_derive_padlist (pTHX_ CV *cv)
350	{	424	{
351	AV *padlist = CvPADLIST (cv);	425	AV *padlist = CvPADLIST (cv);
352	AV newpadlist, newpad;	426	AV newpadlist, newpad;
353		427
354	newpadlist = newAV ();	428	newpadlist = newAV ();
…		…
359	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);	433	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
360	#endif	434	#endif
361	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];	435	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
362	--AvFILLp (padlist);	436	--AvFILLp (padlist);
363		437
364	av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE)));	438	av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0]));
365	av_store (newpadlist, 1, (SV *)newpad);	439	av_store (newpadlist, 1, (SV *)newpad);
366		440
367	return newpadlist;	441	return newpadlist;
368	}	442	}
369		443
370	static void	444	static void
371	free_padlist (pTHX_ AV *padlist)	445	free_padlist (pTHX_ AV *padlist)
372	{	446	{
373	/* may be during global destruction */	447	/* may be during global destruction */
374	if (SvREFCNT (padlist))	448	if (!IN_DESTRUCT)
375	{	449	{
376	I32 i = AvFILLp (padlist);	450	I32 i = AvFILLp (padlist);
377	while (i >= 0)	451
		452	while (i > 0) /* special-case index 0 */
378	{	453	{
379	SV **svp = av_fetch (padlist, i--, FALSE);	454	/* we try to be extra-careful here */
380	if (svp)	455	AV av = (AV )AvARRAY (padlist)[i--];
381	{	456	I32 j = AvFILLp (av);
382	SV *sv;	457
383	while (&PL_sv_undef != (sv = av_pop ((AV )svp)))	458	while (j >= 0)
		459	SvREFCNT_dec (AvARRAY (av)[j--]);
		460
		461	AvFILLp (av) = -1;
384	SvREFCNT_dec (sv);	462	SvREFCNT_dec (av);
385
386	SvREFCNT_dec (*svp);
387	}
388	}	463	}
389		464
		465	SvREFCNT_dec (AvARRAY (padlist)[0]);
		466
		467	AvFILLp (padlist) = -1;
390	SvREFCNT_dec ((SV*)padlist);	468	SvREFCNT_dec ((SV*)padlist);
391	}	469	}
392	}	470	}
393		471
394	static int	472	static int
…		…
403		481
404	SvREFCNT_dec (av); /* sv_magicext increased the refcount */	482	SvREFCNT_dec (av); /* sv_magicext increased the refcount */
405		483
406	return 0;	484	return 0;
407	}	485	}
408
409	#define CORO_MAGIC_type_cv 26
410	#define CORO_MAGIC_type_state PERL_MAGIC_ext
411		486
412	static MGVTBL coro_cv_vtbl = {	487	static MGVTBL coro_cv_vtbl = {
413	0, 0, 0, 0,	488	0, 0, 0, 0,
414	coro_cv_free	489	coro_cv_free
415	};	490	};
416
417	#define CORO_MAGIC_NN(sv, type) \
418	(expect_true (SvMAGIC (sv)->mg_type == type) \
419	? SvMAGIC (sv) \
420	: mg_find (sv, type))
421
422	#define CORO_MAGIC(sv, type) \
423	(expect_true (SvMAGIC (sv)) \
424	? CORO_MAGIC_NN (sv, type) \
425	: 0)
426
427	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
428	#define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state)
429
430	INLINE struct coro *
431	SvSTATE_ (pTHX_ SV *coro)
432	{
433	HV *stash;
434	MAGIC *mg;
435
436	if (SvROK (coro))
437	coro = SvRV (coro);
438
439	if (expect_false (SvTYPE (coro) != SVt_PVHV))
440	croak ("Coro::State object required");
441
442	stash = SvSTASH (coro);
443	if (expect_false (stash != coro_stash && stash != coro_state_stash))
444	{
445	/* very slow, but rare, check */
446	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
447	croak ("Coro::State object required");
448	}
449
450	mg = CORO_MAGIC_state (coro);
451	return (struct coro *)mg->mg_ptr;
452	}
453
454	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
455
456	/* faster than SvSTATE, but expects a coroutine hv */
457	#define SvSTATE_hv(hv) ((struct coro )CORO_MAGIC_NN ((SV )hv, CORO_MAGIC_type_state)->mg_ptr)
458	#define SvSTATE_current SvSTATE_hv (SvRV (coro_current))
459		491
460	/* the next two functions merely cache the padlists */	492	/* the next two functions merely cache the padlists */
461	static void	493	static void
462	get_padlist (pTHX_ CV *cv)	494	get_padlist (pTHX_ CV *cv)
463	{	495	{
…		…
474	CV *cp = Perl_cv_clone (aTHX_ cv);	506	CV *cp = Perl_cv_clone (aTHX_ cv);
475	CvPADLIST (cv) = CvPADLIST (cp);	507	CvPADLIST (cv) = CvPADLIST (cp);
476	CvPADLIST (cp) = 0;	508	CvPADLIST (cp) = 0;
477	SvREFCNT_dec (cp);	509	SvREFCNT_dec (cp);
478	#else	510	#else
479	CvPADLIST (cv) = coro_clone_padlist (aTHX_ cv);	511	CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv);
480	#endif	512	#endif
481	}	513	}
482	}	514	}
483		515
484	static void	516	static void
…		…
491	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);
492		524
493	av = (AV *)mg->mg_obj;	525	av = (AV *)mg->mg_obj;
494		526
495	if (expect_false (AvFILLp (av) >= AvMAX (av)))	527	if (expect_false (AvFILLp (av) >= AvMAX (av)))
496	av_extend (av, AvMAX (av) + 1);	528	av_extend (av, AvFILLp (av) + 1);
497		529
498	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);	530	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
499	}	531	}
500		532
501	/ load & save, init *****************************************************/	533	/ load & save, init *****************************************************/
		534
		535	static void
		536	on_enterleave_call (pTHX_ SV *cb);
502		537
503	static void	538	static void
504	load_perl (pTHX_ Coro__State c)	539	load_perl (pTHX_ Coro__State c)
505	{	540	{
506	perl_slots *slot = c->slot;	541	perl_slots *slot = c->slot;
507	c->slot = 0;	542	c->slot = 0;
508		543
509	PL_mainstack = c->mainstack;	544	PL_mainstack = c->mainstack;
510		545
511	GvSV (PL_defgv) = slot->defsv;	546	GvSV (PL_defgv) = slot->defsv;
512	GvAV (PL_defgv) = slot->defav;	547	GvAV (PL_defgv) = slot->defav;
513	GvSV (PL_errgv) = slot->errsv;	548	GvSV (PL_errgv) = slot->errsv;
514	GvSV (irsgv) = slot->irsgv;	549	GvSV (irsgv) = slot->irsgv;
		550	GvHV (PL_hintgv) = slot->hinthv;
515		551
516	#define VAR(name,type) PL_ ## name = slot->name;	552	#define VAR(name,type) PL_ ## name = slot->name;
517	# include "state.h"	553	# include "state.h"
518	#undef VAR	554	#undef VAR
519		555
…		…
533	PUTBACK;	569	PUTBACK;
534	}	570	}
535		571
536	slf_frame = c->slf_frame;	572	slf_frame = c->slf_frame;
537	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	}
538	}	582	}
539		583
540	static void	584	static void
541	save_perl (pTHX_ Coro__State c)	585	save_perl (pTHX_ Coro__State c)
542	{	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
543	c->except = CORO_THROW;	595	c->except = CORO_THROW;
544	c->slf_frame = slf_frame;	596	c->slf_frame = slf_frame;
545		597
546	{	598	{
547	dSP;	599	dSP;
…		…
605	c->mainstack = PL_mainstack;	657	c->mainstack = PL_mainstack;
606		658
607	{	659	{
608	perl_slots slot = c->slot = (perl_slots )(cxstack + cxstack_ix + 1);	660	perl_slots slot = c->slot = (perl_slots )(cxstack + cxstack_ix + 1);
609		661
610	slot->defav = GvAV (PL_defgv);	662	slot->defav = GvAV (PL_defgv);
611	slot->defsv = DEFSV;	663	slot->defsv = DEFSV;
612	slot->errsv = ERRSV;	664	slot->errsv = ERRSV;
613	slot->irsgv = GvSV (irsgv);	665	slot->irsgv = GvSV (irsgv);
		666	slot->hinthv = GvHV (PL_hintgv);
614		667
615	#define VAR(name,type) slot->name = PL_ ## name;	668	#define VAR(name,type) slot->name = PL_ ## name;
616	# include "state.h"	669	# include "state.h"
617	#undef VAR	670	#undef VAR
618	}	671	}
…		…
745	#endif	798	#endif
746		799
747	/*	800	/*
748	* This overrides the default magic get method of %SIG elements.	801	* This overrides the default magic get method of %SIG elements.
749	* 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
750	* 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
751	* readback here.	804	* readback here.
752	* We only do this when the hook is != 0, as they are often set to 0 temporarily,
753	* not expecting this to actually change the hook. This is a potential problem
754	* when a schedule happens then, but we ignore this.
755	*/	805	*/
756	static int	806	static int
757	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)	807	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)
758	{	808	{
759	const char *s = MgPV_nolen_const (mg);	809	const char *s = MgPV_nolen_const (mg);
…		…
812	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;	862	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
813		863
814	if (svp)	864	if (svp)
815	{	865	{
816	SV old = svp;	866	SV old = svp;
817	*svp = newSVsv (sv);	867	*svp = SvOK (sv) ? newSVsv (sv) : 0;
818	SvREFCNT_dec (old);	868	SvREFCNT_dec (old);
819	return 0;	869	return 0;
820	}	870	}
821	}	871	}
822		872
…		…
832		882
833	static int	883	static int
834	slf_check_nop (pTHX_ struct CoroSLF *frame)	884	slf_check_nop (pTHX_ struct CoroSLF *frame)
835	{	885	{
836	return 0;	886	return 0;
		887	}
		888
		889	static int
		890	slf_check_repeat (pTHX_ struct CoroSLF *frame)
		891	{
		892	return 1;
837	}	893	}
838		894
839	static UNOP coro_setup_op;	895	static UNOP coro_setup_op;
840		896
841	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 */
…		…
848		904
849	PL_runops = RUNOPS_DEFAULT;	905	PL_runops = RUNOPS_DEFAULT;
850	PL_curcop = &PL_compiling;	906	PL_curcop = &PL_compiling;
851	PL_in_eval = EVAL_NULL;	907	PL_in_eval = EVAL_NULL;
852	PL_comppad = 0;	908	PL_comppad = 0;
		909	PL_comppad_name = 0;
		910	PL_comppad_name_fill = 0;
		911	PL_comppad_name_floor = 0;
853	PL_curpm = 0;	912	PL_curpm = 0;
854	PL_curpad = 0;	913	PL_curpad = 0;
855	PL_localizing = 0;	914	PL_localizing = 0;
856	PL_dirty = 0;	915	PL_dirty = 0;
857	PL_restartop = 0;	916	PL_restartop = 0;
858	#if PERL_VERSION_ATLEAST (5,10,0)	917	#if PERL_VERSION_ATLEAST (5,10,0)
859	PL_parser = 0;	918	PL_parser = 0;
860	#endif	919	#endif
		920	PL_hints = 0;
861		921
862	/* recreate the die/warn hooks */	922	/* recreate the die/warn hooks */
863	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 );
864	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);
865		925
866	GvSV (PL_defgv) = newSV (0);	926	GvSV (PL_defgv) = newSV (0);
867	GvAV (PL_defgv) = coro->args; coro->args = 0;	927	GvAV (PL_defgv) = coro->args; coro->args = 0;
868	GvSV (PL_errgv) = newSV (0);	928	GvSV (PL_errgv) = newSV (0);
869	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;
870	PL_rs = newSVsv (GvSV (irsgv));	931	PL_rs = newSVsv (GvSV (irsgv));
871	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);	932	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);
872		933
873	{	934	{
874	dSP;	935	dSP;
…		…
892	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 */
893	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 */
894		955
895	/* 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 */
896	coro_setup_op.op_next = PL_op;	957	coro_setup_op.op_next = PL_op;
897	coro_setup_op.op_type = OP_CUSTOM;	958	coro_setup_op.op_type = OP_ENTERSUB;
898	coro_setup_op.op_ppaddr = pp_slf;	959	coro_setup_op.op_ppaddr = pp_slf;
899	/* 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 */
900		961
901	PL_op = (OP *)&coro_setup_op;	962	PL_op = (OP *)&coro_setup_op;
902		963
903	/* copy throw, in case it was set before coro_setup */	964	/* copy throw, in case it was set before coro_setup */
904	CORO_THROW = coro->except;	965	CORO_THROW = coro->except;
905	}	966	}
906		967
907	static void	968	static void
908	coro_destruct (pTHX_ struct coro *coro)	969	coro_unwind_stacks (pTHX)
909	{	970	{
910	if (!IN_DESTRUCT)	971	if (!IN_DESTRUCT)
911	{	972	{
912	/* restore all saved variables and stuff */	973	/* restore all saved variables and stuff */
913	LEAVE_SCOPE (0);	974	LEAVE_SCOPE (0);
…		…
921	POPSTACK_TO (PL_mainstack);	982	POPSTACK_TO (PL_mainstack);
922		983
923	/* unwind main stack */	984	/* unwind main stack */
924	dounwind (-1);	985	dounwind (-1);
925	}	986	}
		987	}
		988
		989	static void
		990	coro_destruct_perl (pTHX_ struct coro *coro)
		991	{
		992	coro_unwind_stacks (aTHX);
926		993
927	SvREFCNT_dec (GvSV (PL_defgv));	994	SvREFCNT_dec (GvSV (PL_defgv));
928	SvREFCNT_dec (GvAV (PL_defgv));	995	SvREFCNT_dec (GvAV (PL_defgv));
929	SvREFCNT_dec (GvSV (PL_errgv));	996	SvREFCNT_dec (GvSV (PL_errgv));
930	SvREFCNT_dec (PL_defoutgv);	997	SvREFCNT_dec (PL_defoutgv);
931	SvREFCNT_dec (PL_rs);	998	SvREFCNT_dec (PL_rs);
932	SvREFCNT_dec (GvSV (irsgv));	999	SvREFCNT_dec (GvSV (irsgv));
		1000	SvREFCNT_dec (GvHV (PL_hintgv));
933		1001
934	SvREFCNT_dec (PL_diehook);	1002	SvREFCNT_dec (PL_diehook);
935	SvREFCNT_dec (PL_warnhook);	1003	SvREFCNT_dec (PL_warnhook);
936		1004
937	SvREFCNT_dec (coro->saved_deffh);	1005	SvREFCNT_dec (coro->saved_deffh);
…		…
955	static int	1023	static int
956	runops_trace (pTHX)	1024	runops_trace (pTHX)
957	{	1025	{
958	COP *oldcop = 0;	1026	COP *oldcop = 0;
959	int oldcxix = -2;	1027	int oldcxix = -2;
960	struct coro coro = SvSTATE_current; / trace cctx is tied to specific coro */
961	coro_cctx *cctx = coro->cctx;
962		1028
963	while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))	1029	while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))
964	{	1030	{
965	PERL_ASYNC_CHECK ();	1031	PERL_ASYNC_CHECK ();
966		1032
967	if (cctx->flags & CC_TRACE_ALL)	1033	if (cctx_current->flags & CC_TRACE_ALL)
968	{	1034	{
969	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)
970	{	1036	{
971	PERL_CONTEXT *cx = &cxstack[cxstack_ix];	1037	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
972	SV bot, top;	1038	SV bot, top;
973	AV av = newAV (); / return values */	1039	AV av = newAV (); / return values */
974	SV **cb;	1040	SV **cb;
…		…
1011		1077
1012	if (PL_curcop != &PL_compiling)	1078	if (PL_curcop != &PL_compiling)
1013	{	1079	{
1014	SV **cb;	1080	SV **cb;
1015		1081
1016	if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB)	1082	if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB)
1017	{	1083	{
1018	PERL_CONTEXT *cx = &cxstack[cxstack_ix];	1084	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
1019		1085
1020	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)	1086	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)
1021	{	1087	{
1022	runops_proc_t old_runops = PL_runops;
1023	dSP;	1088	dSP;
1024	GV *gv = CvGV (cx->blk_sub.cv);	1089	GV *gv = CvGV (cx->blk_sub.cv);
1025	SV *fullname = sv_2mortal (newSV (0));	1090	SV *fullname = sv_2mortal (newSV (0));
1026		1091
1027	if (isGV (gv))	1092	if (isGV (gv))
…		…
1045	}	1110	}
1046		1111
1047	oldcxix = cxstack_ix;	1112	oldcxix = cxstack_ix;
1048	}	1113	}
1049		1114
1050	if (cctx->flags & CC_TRACE_LINE)	1115	if (cctx_current->flags & CC_TRACE_LINE)
1051	{	1116	{
1052	dSP;	1117	dSP;
1053		1118
1054	PL_runops = RUNOPS_DEFAULT;	1119	PL_runops = RUNOPS_DEFAULT;
1055	ENTER;	1120	ENTER;
…		…
1074		1139
1075	TAINT_NOT;	1140	TAINT_NOT;
1076	return 0;	1141	return 0;
1077	}	1142	}
1078		1143
1079	static struct coro_cctx *cctx_ssl_cctx;
1080	static struct CoroSLF cctx_ssl_frame;	1144	static struct CoroSLF cctx_ssl_frame;
1081		1145
1082	static void	1146	static void
1083	slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta)	1147	slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta)
1084	{	1148	{
1085	ta->prev = (struct coro *)cctx_ssl_cctx;
1086	ta->next = 0;	1149	ta->prev = 0;
1087	}	1150	}
1088		1151
1089	static int	1152	static int
1090	slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame)	1153	slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame)
1091	{	1154	{
…		…
1094	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 */
1095	}	1158	}
1096		1159
1097	/* 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 */
1098	static void NOINLINE	1161	static void NOINLINE
1099	cctx_prepare (pTHX_ coro_cctx *cctx)	1162	cctx_prepare (pTHX)
1100	{	1163	{
1101	PL_top_env = &PL_start_env;	1164	PL_top_env = &PL_start_env;
1102		1165
1103	if (cctx->flags & CC_TRACE)	1166	if (cctx_current->flags & CC_TRACE)
1104	PL_runops = runops_trace;	1167	PL_runops = runops_trace;
1105		1168
1106	/* 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
1107	* that can lead to creation of a new cctx */	1170	* that can lead to creation of a new cctx */
1108	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)",
1109	slf_frame.prepare && PL_op->op_ppaddr == pp_slf));	1172	slf_frame.prepare && PL_op->op_ppaddr == pp_slf));
1110		1173
1111	/* 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 */
1112	cctx_ssl_cctx = cctx;
1113	cctx_ssl_frame = slf_frame;	1175	cctx_ssl_frame = slf_frame;
1114		1176
1115	slf_frame.prepare = slf_prepare_set_stacklevel;	1177	slf_frame.prepare = slf_prepare_set_stacklevel;
1116	slf_frame.check = slf_check_set_stacklevel;	1178	slf_frame.check = slf_check_set_stacklevel;
1117	}	1179	}
…		…
1140	/* normally we would need to skip the entersub here */	1202	/* normally we would need to skip the entersub here */
1141	/* 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 */
1142	/* PL_nop = PL_nop->op_next */	1204	/* PL_nop = PL_nop->op_next */
1143		1205
1144	/* inject a fake subroutine call to cctx_init */	1206	/* inject a fake subroutine call to cctx_init */
1145	cctx_prepare (aTHX_ (coro_cctx *)arg);	1207	cctx_prepare (aTHX);
1146		1208
1147	/* cctx_run is the alternative tail of transfer() */	1209	/* cctx_run is the alternative tail of transfer() */
1148	transfer_tail (aTHX);	1210	transfer_tail (aTHX);
1149		1211
1150	/* 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 */
…		…
1158	/*	1220	/*
1159	* 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
1160	* 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)
1161	* 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
1162	* bootstrap-time "top" top_env, as we cannot restore the "main"	1224	* bootstrap-time "top" top_env, as we cannot restore the "main"
1163	* 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.
1164	*/	1228	*/
1165	PL_top_env = main_top_env;	1229	PL_top_env = main_top_env;
1166	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 */
1167	}	1231	}
1168	}	1232	}
…		…
1245	cctx_destroy (coro_cctx *cctx)	1309	cctx_destroy (coro_cctx *cctx)
1246	{	1310	{
1247	if (!cctx)	1311	if (!cctx)
1248	return;	1312	return;
1249		1313
		1314	assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));//D temporary?
		1315
1250	--cctx_count;	1316	--cctx_count;
1251	coro_destroy (&cctx->cctx);	1317	coro_destroy (&cctx->cctx);
1252		1318
1253	/* coro_transfer creates new, empty cctx's */	1319	/* coro_transfer creates new, empty cctx's */
1254	if (cctx->sptr)	1320	if (cctx->sptr)
…		…
1317	/* TODO: throwing up here is considered harmful */	1383	/* TODO: throwing up here is considered harmful */
1318		1384
1319	if (expect_true (prev != next))	1385	if (expect_true (prev != next))
1320	{	1386	{
1321	if (expect_false (!(prev->flags & (CF_RUNNING \| CF_NEW))))	1387	if (expect_false (!(prev->flags & (CF_RUNNING \| CF_NEW))))
1322	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,");
1323		1389
1324	if (expect_false (next->flags & CF_RUNNING))
1325	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states,");
1326
1327	if (expect_false (next->flags & CF_DESTROYED))	1390	if (expect_false (next->flags & (CF_RUNNING \| CF_DESTROYED \| CF_SUSPENDED)))
1328	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,");
1329		1392
1330	#if !PERL_VERSION_ATLEAST (5,10,0)	1393	#if !PERL_VERSION_ATLEAST (5,10,0)
1331	if (expect_false (PL_lex_state != LEX_NOTPARSING))	1394	if (expect_false (PL_lex_state != LEX_NOTPARSING))
1332	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,");
1333	#endif	1396	#endif
…		…
1339	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)	1402	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)
1340	{	1403	{
1341	dSTACKLEVEL;	1404	dSTACKLEVEL;
1342		1405
1343	/* sometimes transfer is only called to set idle_sp */	1406	/* sometimes transfer is only called to set idle_sp */
1344	if (expect_false (!next))	1407	if (expect_false (!prev))
1345	{	1408	{
1346	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1409	cctx_current->idle_sp = STACKLEVEL;
1347	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 */
1348	}	1411	}
1349	else if (expect_true (prev != next))	1412	else if (expect_true (prev != next))
1350	{	1413	{
1351	coro_cctx *prev__cctx;	1414	coro_cctx *cctx_prev;
1352		1415
1353	if (expect_false (prev->flags & CF_NEW))	1416	if (expect_false (prev->flags & CF_NEW))
1354	{	1417	{
1355	/* create a new empty/source context */	1418	/* create a new empty/source context */
1356	prev->cctx = cctx_new_empty ();
1357	prev->flags &= ~CF_NEW;	1419	prev->flags &= ~CF_NEW;
1358	prev->flags \|= CF_RUNNING;	1420	prev->flags \|= CF_RUNNING;
1359	}	1421	}
1360		1422
1361	prev->flags &= ~CF_RUNNING;	1423	prev->flags &= ~CF_RUNNING;
…		…
1372	coro_setup (aTHX_ next);	1434	coro_setup (aTHX_ next);
1373	}	1435	}
1374	else	1436	else
1375	load_perl (aTHX_ next);	1437	load_perl (aTHX_ next);
1376		1438
1377	prev__cctx = prev->cctx;
1378
1379	/* possibly untie and reuse the cctx */	1439	/* possibly untie and reuse the cctx */
1380	if (expect_true (	1440	if (expect_true (
1381	prev__cctx->idle_sp == STACKLEVEL	1441	cctx_current->idle_sp == STACKLEVEL
1382	&& !(prev__cctx->flags & CC_TRACE)	1442	&& !(cctx_current->flags & CC_TRACE)
1383	&& !force_cctx	1443	&& !force_cctx
1384	))	1444	))
1385	{	1445	{
1386	/* 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 */
1387	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));
1388		1448
1389	prev->cctx = 0;
1390
1391	/* 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. */
1392	/* 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 */
1393	if (expect_false (CCTX_EXPIRED (prev__cctx)))	1451	if (expect_false (CCTX_EXPIRED (cctx_current)))
1394	if (!next->cctx)	1452	if (expect_true (!next->cctx))
1395	next->cctx = cctx_get (aTHX);	1453	next->cctx = cctx_get (aTHX);
1396		1454
1397	cctx_put (prev__cctx);	1455	cctx_put (cctx_current);
1398	}	1456	}
		1457	else
		1458	prev->cctx = cctx_current;
1399		1459
1400	++next->usecount;	1460	++next->usecount;
1401		1461
1402	if (expect_true (!next->cctx))	1462	cctx_prev = cctx_current;
1403	next->cctx = cctx_get (aTHX);	1463	cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX);
1404		1464
1405	if (expect_false (prev__cctx != next->cctx))	1465	next->cctx = 0;
		1466
		1467	if (expect_false (cctx_prev != cctx_current))
1406	{	1468	{
1407	prev__cctx->top_env = PL_top_env;	1469	cctx_prev->top_env = PL_top_env;
1408	PL_top_env = next->cctx->top_env;	1470	PL_top_env = cctx_current->top_env;
1409	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);	1471	coro_transfer (&cctx_prev->cctx, &cctx_current->cctx);
1410	}	1472	}
1411		1473
1412	transfer_tail (aTHX);	1474	transfer_tail (aTHX);
1413	}	1475	}
1414	}	1476	}
…		…
1436	--coro_nready;	1498	--coro_nready;
1437	}	1499	}
1438	else	1500	else
1439	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 */
1440		1502
1441	if (coro->mainstack && coro->mainstack != main_mainstack)	1503	if (coro->mainstack
		1504	&& coro->mainstack != main_mainstack
		1505	&& coro->slot
		1506	&& !PL_dirty)
1442	{	1507	{
1443	struct coro temp;	1508	struct coro *current = SvSTATE_current;
1444		1509
1445	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));
1446		1511
1447	save_perl (aTHX_ &temp);	1512	save_perl (aTHX_ current);
1448	load_perl (aTHX_ coro);	1513	load_perl (aTHX_ coro);
1449		1514
1450	coro_destruct (aTHX_ coro);	1515	coro_destruct_perl (aTHX_ coro);
1451		1516
1452	load_perl (aTHX_ &temp);	1517	load_perl (aTHX_ current);
1453		1518
1454	coro->slot = 0;	1519	coro->slot = 0;
1455	}	1520	}
1456		1521
1457	cctx_destroy (coro->cctx);	1522	cctx_destroy (coro->cctx);
…		…
1569	{	1634	{
1570	struct coro *coro;	1635	struct coro *coro;
1571	SV *sv_hook;	1636	SV *sv_hook;
1572	void (*xs_hook)(void);	1637	void (*xs_hook)(void);
1573		1638
1574	if (SvROK (coro_sv))
1575	coro_sv = SvRV (coro_sv);
1576
1577	coro = SvSTATE (coro_sv);	1639	coro = SvSTATE (coro_sv);
1578		1640
1579	if (coro->flags & CF_READY)	1641	if (coro->flags & CF_READY)
1580	return 0;	1642	return 0;
1581		1643
…		…
1614	return !!(SvSTATE (coro_sv)->flags & CF_READY);	1676	return !!(SvSTATE (coro_sv)->flags & CF_READY);
1615	}	1677	}
1616		1678
1617	/* expects to own a reference to next->hv */	1679	/* expects to own a reference to next->hv */
1618	INLINE void	1680	INLINE void
1619	prepare_cede_to (pTHX_ struct coro_transfer_args ta, struct coro next)	1681	prepare_schedule_to (pTHX_ struct coro_transfer_args ta, struct coro next)
1620	{	1682	{
1621	SV *prev_sv = SvRV (coro_current);	1683	SV *prev_sv = SvRV (coro_current);
1622		1684
1623	ta->prev = SvSTATE_hv (prev_sv);	1685	ta->prev = SvSTATE_hv (prev_sv);
1624	ta->next = next;	1686	ta->next = next;
1625		1687
1626	TRANSFER_CHECK (*ta);	1688	TRANSFER_CHECK (*ta);
1627		1689
1628	SvRV_set (coro_current, next->hv);	1690	SvRV_set (coro_current, (SV *)next->hv);
1629		1691
1630	free_coro_mortal (aTHX);	1692	free_coro_mortal (aTHX);
1631	coro_mortal = prev_sv;	1693	coro_mortal = prev_sv;
1632	}	1694	}
1633		1695
…		…
1636	{	1698	{
1637	for (;;)	1699	for (;;)
1638	{	1700	{
1639	SV *next_sv = coro_deq (aTHX);	1701	SV *next_sv = coro_deq (aTHX);
1640		1702
1641	if (expect_false (!next_sv))	1703	if (expect_true (next_sv))
1642	{
1643	/* nothing to schedule: call the idle handler */
1644	dSP;
1645
1646	ENTER;
1647	SAVETMPS;
1648
1649	PUSHMARK (SP);
1650	PUTBACK;
1651	call_sv (get_sv ("Coro::idle", FALSE), G_VOID \| G_DISCARD);
1652
1653	FREETMPS;
1654	LEAVE;
1655	}
1656	else
1657	{	1704	{
1658	struct coro *next = SvSTATE_hv (next_sv);	1705	struct coro *next = SvSTATE_hv (next_sv);
1659		1706
1660	/* cannot transfer to destroyed coros, skip and look for next */	1707	/* cannot transfer to destroyed coros, skip and look for next */
1661	if (expect_false (next->flags & CF_DESTROYED))	1708	if (expect_false (next->flags & (CF_DESTROYED \| CF_SUSPENDED)))
1662	SvREFCNT_dec (next_sv); /* coro_nready has already been taken care of by destroy */	1709	SvREFCNT_dec (next_sv); /* coro_nready has already been taken care of by destroy */
1663	else	1710	else
1664	{	1711	{
1665	next->flags &= ~CF_READY;	1712	next->flags &= ~CF_READY;
1666	--coro_nready;	1713	--coro_nready;
1667		1714
1668	return prepare_cede_to (aTHX_ ta, next);	1715	prepare_schedule_to (aTHX_ ta, next);
		1716	break;
1669	}	1717	}
1670	}	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	}
1671	}	1744	}
1672	}	1745	}
1673		1746
1674	INLINE void	1747	INLINE void
1675	prepare_cede (pTHX_ struct coro_transfer_args *ta)	1748	prepare_cede (pTHX_ struct coro_transfer_args *ta)
…		…
1697	{	1770	{
1698	struct coro_transfer_args ta;	1771	struct coro_transfer_args ta;
1699		1772
1700	prepare_schedule (aTHX_ &ta);	1773	prepare_schedule (aTHX_ &ta);
1701	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);
1702	}	1785	}
1703		1786
1704	static int	1787	static int
1705	api_cede (pTHX)	1788	api_cede (pTHX)
1706	{	1789	{
…		…
1735	static void	1818	static void
1736	api_trace (pTHX_ SV *coro_sv, int flags)	1819	api_trace (pTHX_ SV *coro_sv, int flags)
1737	{	1820	{
1738	struct coro *coro = SvSTATE (coro_sv);	1821	struct coro *coro = SvSTATE (coro_sv);
1739		1822
		1823	if (coro->flags & CF_RUNNING)
		1824	croak ("cannot enable tracing on a running coroutine, caught");
		1825
1740	if (flags & CC_TRACE)	1826	if (flags & CC_TRACE)
1741	{	1827	{
1742	if (!coro->cctx)	1828	if (!coro->cctx)
1743	coro->cctx = cctx_new_run ();	1829	coro->cctx = cctx_new_run ();
1744	else if (!(coro->cctx->flags & CC_TRACE))	1830	else if (!(coro->cctx->flags & CC_TRACE))
1745	croak ("cannot enable tracing on coroutine with custom stack,");	1831	croak ("cannot enable tracing on coroutine with custom stack, caught");
1746		1832
1747	coro->cctx->flags \|= CC_NOREUSE \| (flags & (CC_TRACE \| CC_TRACE_ALL));	1833	coro->cctx->flags \|= CC_NOREUSE \| (flags & (CC_TRACE \| CC_TRACE_ALL));
1748	}	1834	}
1749	else if (coro->cctx && coro->cctx->flags & CC_TRACE)	1835	else if (coro->cctx && coro->cctx->flags & CC_TRACE)
1750	{	1836	{
…		…
1753	if (coro->flags & CF_RUNNING)	1839	if (coro->flags & CF_RUNNING)
1754	PL_runops = RUNOPS_DEFAULT;	1840	PL_runops = RUNOPS_DEFAULT;
1755	else	1841	else
1756	coro->slot->runops = RUNOPS_DEFAULT;	1842	coro->slot->runops = RUNOPS_DEFAULT;
1757	}	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);/
1758	}	1901	}
1759		1902
1760	/*****************************************************************************/	1903	/*****************************************************************************/
1761	/* async pool handler */	1904	/* async pool handler */
1762		1905
…		…
1995	static void	2138	static void
1996	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)
1997	{	2140	{
1998	frame->prepare = prepare_schedule;	2141	frame->prepare = prepare_schedule;
1999	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);
2000	}	2171	}
2001		2172
2002	static void	2173	static void
2003	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)
2004	{	2175	{
…		…
2150	}	2321	}
2151	else	2322	else
2152	slf_argc = 0;	2323	slf_argc = 0;
2153		2324
2154	PL_op->op_ppaddr = pp_slf;	2325	PL_op->op_ppaddr = pp_slf;
2155	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 */
2156		2327
2157	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));
2158	}	2376	}
2159		2377
2160	/*****************************************************************************/	2378	/*****************************************************************************/
2161	/* PerlIO::cede */	2379	/* PerlIO::cede */
2162		2380
…		…
2243	SV **ary;	2461	SV **ary;
2244		2462
2245	/* unfortunately, building manually saves memory */	2463	/* unfortunately, building manually saves memory */
2246	Newx (ary, 2, SV *);	2464	Newx (ary, 2, SV *);
2247	AvALLOC (av) = ary;	2465	AvALLOC (av) = ary;
		2466	#if PERL_VERSION_ATLEAST (5,10,0)
2248	/AvARRAY (av) = ary;/	2467	AvARRAY (av) = ary;
		2468	#else
2249	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
2250	AvMAX (av) = 1;	2473	AvMAX (av) = 1;
2251	AvFILLp (av) = 0;	2474	AvFILLp (av) = 0;
2252	ary [0] = newSViv (count);	2475	ary [0] = newSViv (count);
2253		2476
2254	return newRV_noinc ((SV *)av);	2477	return newRV_noinc ((SV *)av);
…		…
2624	XSRETURN_EMPTY;	2847	XSRETURN_EMPTY;
2625	}	2848	}
2626		2849
2627	/*****************************************************************************/	2850	/*****************************************************************************/
2628		2851
		2852	#if CORO_CLONE
		2853	# include "clone.c"
		2854	#endif
		2855
2629	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	2856	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
2630		2857
2631	PROTOTYPES: DISABLE	2858	PROTOTYPES: DISABLE
2632		2859
2633	BOOT:	2860	BOOT:
…		…
2637	coro_thx = PERL_GET_CONTEXT;	2864	coro_thx = PERL_GET_CONTEXT;
2638	# endif	2865	# endif
2639	#endif	2866	#endif
2640	BOOT_PAGESIZE;	2867	BOOT_PAGESIZE;
2641		2868
		2869	cctx_current = cctx_new_empty ();
		2870
2642	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);	2871	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
2643	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);	2872	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
2644		2873
2645	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;
2646	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;
…		…
2665		2894
2666	{	2895	{
2667	SV *slf = sv_2mortal (newSViv (PTR2IV (pp_slf)));	2896	SV *slf = sv_2mortal (newSViv (PTR2IV (pp_slf)));
2668		2897
2669	if (!PL_custom_op_names) PL_custom_op_names = newHV ();	2898	if (!PL_custom_op_names) PL_custom_op_names = newHV ();
2670	hv_store_ent (PL_custom_op_names, slf,	2899	hv_store_ent (PL_custom_op_names, slf, newSVpv ("coro_slf", 0), 0);
2671	newSVpv ("coro_slf", 0), 0);
2672		2900
2673	if (!PL_custom_op_descs) PL_custom_op_descs = newHV ();	2901	if (!PL_custom_op_descs) PL_custom_op_descs = newHV ();
2674	hv_store_ent (PL_custom_op_descs, slf,	2902	hv_store_ent (PL_custom_op_descs, slf, newSVpv ("coro schedule like function", 0), 0);
2675	newSVpv ("coro schedule like function", 0), 0);
2676	}	2903	}
2677		2904
2678	coroapi.ver = CORO_API_VERSION;	2905	coroapi.ver = CORO_API_VERSION;
2679	coroapi.rev = CORO_API_REVISION;	2906	coroapi.rev = CORO_API_REVISION;
2680		2907
…		…
2773	void	3000	void
2774	_exit (int code)	3001	_exit (int code)
2775	PROTOTYPE: $	3002	PROTOTYPE: $
2776	CODE:	3003	CODE:
2777	_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
2778		3024
2779	int	3025	int
2780	cctx_stacksize (int new_stacksize = 0)	3026	cctx_stacksize (int new_stacksize = 0)
2781	PROTOTYPE: ;$	3027	PROTOTYPE: ;$
2782	CODE:	3028	CODE:
…		…
2832	eval = 1	3078	eval = 1
2833	CODE:	3079	CODE:
2834	{	3080	{
2835	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))	3081	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))
2836	{	3082	{
2837	struct coro temp;	3083	struct coro *current = SvSTATE_current;
2838		3084
2839	if (!(coro->flags & CF_RUNNING))	3085	if (current != coro)
2840	{	3086	{
2841	PUTBACK;	3087	PUTBACK;
2842	save_perl (aTHX_ &temp);	3088	save_perl (aTHX_ current);
2843	load_perl (aTHX_ coro);	3089	load_perl (aTHX_ coro);
		3090	SPAGAIN;
2844	}	3091	}
2845		3092
2846	{
2847	dSP;
2848	ENTER;
2849	SAVETMPS;
2850	PUTBACK;
2851	PUSHSTACK;	3093	PUSHSTACK;
		3094
2852	PUSHMARK (SP);	3095	PUSHMARK (SP);
		3096	PUTBACK;
2853		3097
2854	if (ix)	3098	if (ix)
2855	eval_sv (coderef, 0);	3099	eval_sv (coderef, 0);
2856	else	3100	else
2857	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	3101	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
2858		3102
2859	POPSTACK;	3103	POPSTACK;
2860	SPAGAIN;	3104	SPAGAIN;
2861	FREETMPS;
2862	LEAVE;
2863	PUTBACK;
2864	}
2865		3105
2866	if (!(coro->flags & CF_RUNNING))	3106	if (current != coro)
2867	{	3107	{
		3108	PUTBACK;
2868	save_perl (aTHX_ coro);	3109	save_perl (aTHX_ coro);
2869	load_perl (aTHX_ &temp);	3110	load_perl (aTHX_ current);
2870	SPAGAIN;	3111	SPAGAIN;
2871	}	3112	}
2872	}	3113	}
2873	}	3114	}
2874		3115
…		…
2878	ALIAS:	3119	ALIAS:
2879	is_ready = CF_READY	3120	is_ready = CF_READY
2880	is_running = CF_RUNNING	3121	is_running = CF_RUNNING
2881	is_new = CF_NEW	3122	is_new = CF_NEW
2882	is_destroyed = CF_DESTROYED	3123	is_destroyed = CF_DESTROYED
		3124	is_suspended = CF_SUSPENDED
2883	CODE:	3125	CODE:
2884	RETVAL = boolSV (coro->flags & ix);	3126	RETVAL = boolSV (coro->flags & ix);
2885	OUTPUT:	3127	OUTPUT:
2886	RETVAL	3128	RETVAL
2887		3129
…		…
2903		3145
2904	SV *	3146	SV *
2905	has_cctx (Coro::State coro)	3147	has_cctx (Coro::State coro)
2906	PROTOTYPE: $	3148	PROTOTYPE: $
2907	CODE:	3149	CODE:
2908	RETVAL = boolSV (!!coro->cctx);	3150	/* maybe manage the running flag differently */
		3151	RETVAL = boolSV (!!coro->cctx \|\| (coro->flags & CF_RUNNING));
2909	OUTPUT:	3152	OUTPUT:
2910	RETVAL	3153	RETVAL
2911		3154
2912	int	3155	int
2913	is_traced (Coro::State coro)	3156	is_traced (Coro::State coro)
…		…
2933		3176
2934	void	3177	void
2935	force_cctx ()	3178	force_cctx ()
2936	PROTOTYPE:	3179	PROTOTYPE:
2937	CODE:	3180	CODE:
2938	SvSTATE_current->cctx->idle_sp = 0;	3181	cctx_current->idle_sp = 0;
2939		3182
2940	void	3183	void
2941	swap_defsv (Coro::State self)	3184	swap_defsv (Coro::State self)
2942	PROTOTYPE: $	3185	PROTOTYPE: $
2943	ALIAS:	3186	ALIAS:
…		…
2951	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;	3194	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;
2952		3195
2953	SV tmp = src; src = dst; *dst = tmp;	3196	SV tmp = src; src = dst; *dst = tmp;
2954	}	3197	}
2955		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
2956		3205
2957	MODULE = Coro::State PACKAGE = Coro	3206	MODULE = Coro::State PACKAGE = Coro
2958		3207
2959	BOOT:	3208	BOOT:
2960	{	3209	{
2961	int i;	3210	int i;
2962		3211
2963	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
2964	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);	3212	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
2965	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);	3213	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
2966	cv_coro_run = get_cv ( "Coro::_terminate", GV_ADD);	3214	cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD);
2967	cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD);	3215	cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD);
2968	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);	3216	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); 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);
2969		3221
2970	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);
2971	sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro);	3223	sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro);
2972	cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler);	3224	cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler);
2973	cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new);	3225	cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new);
…		…
2986		3238
2987	{	3239	{
2988	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);	3240	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);
2989		3241
2990	coroapi.schedule = api_schedule;	3242	coroapi.schedule = api_schedule;
		3243	coroapi.schedule_to = api_schedule_to;
2991	coroapi.cede = api_cede;	3244	coroapi.cede = api_cede;
2992	coroapi.cede_notself = api_cede_notself;	3245	coroapi.cede_notself = api_cede_notself;
2993	coroapi.ready = api_ready;	3246	coroapi.ready = api_ready;
2994	coroapi.is_ready = api_is_ready;	3247	coroapi.is_ready = api_is_ready;
2995	coroapi.nready = coro_nready;	3248	coroapi.nready = coro_nready;
…		…
3000	SvREADONLY_on (sv);	3253	SvREADONLY_on (sv);
3001	}	3254	}
3002	}	3255	}
3003		3256
3004	void	3257	void
		3258	terminate (...)
		3259	CODE:
		3260	CORO_EXECUTE_SLF_XS (slf_init_terminate);
		3261
		3262	void
3005	schedule (...)	3263	schedule (...)
3006	CODE:	3264	CODE:
3007	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);
3008		3276
3009	void	3277	void
3010	cede (...)	3278	cede (...)
3011	CODE:	3279	CODE:
3012	CORO_EXECUTE_SLF_XS (slf_init_cede);	3280	CORO_EXECUTE_SLF_XS (slf_init_cede);
…		…
3130	rouse_wait (...)	3398	rouse_wait (...)
3131	PROTOTYPE: ;$	3399	PROTOTYPE: ;$
3132	PPCODE:	3400	PPCODE:
3133	CORO_EXECUTE_SLF_XS (slf_init_rouse_wait);	3401	CORO_EXECUTE_SLF_XS (slf_init_rouse_wait);
3134		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	}
		3427
3135		3428
3136	MODULE = Coro::State PACKAGE = PerlIO::cede	3429	MODULE = Coro::State PACKAGE = PerlIO::cede
3137		3430
3138	BOOT:	3431	BOOT:
3139	PerlIO_define_layer (aTHX_ &PerlIO_cede);	3432	PerlIO_define_layer (aTHX_ &PerlIO_cede);
…		…
3149	GvSTASH (CvGV (cv))	3442	GvSTASH (CvGV (cv))
3150	);	3443	);
3151	OUTPUT:	3444	OUTPUT:
3152	RETVAL	3445	RETVAL
3153		3446
3154	# helper for Coro::Channel	3447	# helper for Coro::Channel and others
3155	SV *	3448	SV *
3156	_alloc (int count)	3449	_alloc (int count)
3157	CODE:	3450	CODE:
3158	RETVAL = coro_waitarray_new (aTHX_ count);	3451	RETVAL = coro_waitarray_new (aTHX_ count);
3159	OUTPUT:	3452	OUTPUT:

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Comparing Coro/Coro/State.xs (file contents): Revision 1.316 by root, Thu Nov 20 06:01:40 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 1.316 by root, Thu Nov 20 06:01:40 2008 UTC vs.
Revision 1.343 by root, Mon Dec 15 16:41:43 2008 UTC