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/cvs/Coro/Coro/State.xs

Comparing Coro/Coro/State.xs (file contents):
Revision 1.308 by root, Wed Nov 19 15:09:57 2008 UTC vs.
Revision 1.346 by root, Tue Jun 9 18:56:45 2009 UTC

…		…
55		55
56	#define PERL_VERSION_ATLEAST(a,b,c) \	56	#define PERL_VERSION_ATLEAST(a,b,c) \
57	(PERL_REVISION > (a) \	57	(PERL_REVISION > (a) \
58	|| (PERL_REVISION == (a) \	58	|| (PERL_REVISION == (a) \
59	&& (PERL_VERSION > (b) \	59	&& (PERL_VERSION > (b) \
60	|| (PERL_VERSION == (b) && PERLSUBVERSION >= (c)))))	60	|| (PERL_VERSION == (b) && PERL_SUBVERSION >= (c)))))
61		61
62	#if !PERL_VERSION_ATLEAST (5,6,0)	62	#if !PERL_VERSION_ATLEAST (5,6,0)
63	# ifndef PL_ppaddr	63	# ifndef PL_ppaddr
64	# define PL_ppaddr ppaddr	64	# define PL_ppaddr ppaddr
65	# endif	65	# endif
…		…
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;
		191	static SV *sv_async_pool_idle; /* description string */
181	static AV *av_async_pool;	192	static AV *av_async_pool; /* idle pool */
		193	static SV *sv_Coro; /* class string */
		194	static CV *cv_pool_handler;
		195	static CV *cv_coro_state_new;
182		196
183	/* Coro::AnyEvent */	197	/* Coro::AnyEvent */
184	static SV *sv_activity;	198	static SV *sv_activity;
185		199
186	static struct coro_cctx *cctx_first;	200	static struct coro_cctx *cctx_first;
…		…
215	int valgrind_id;	229	int valgrind_id;
216	#endif	230	#endif
217	unsigned char flags;	231	unsigned char flags;
218	} coro_cctx;	232	} coro_cctx;
219		233
		234	coro_cctx *cctx_current; /* the currently running cctx */
		235
		236	/*****************************************************************************/
		237
220	enum {	238	enum {
221	CF_RUNNING = 0x0001, /* coroutine is running */	239	CF_RUNNING = 0x0001, /* coroutine is running */
222	CF_READY = 0x0002, /* coroutine is ready */	240	CF_READY = 0x0002, /* coroutine is ready */
223	CF_NEW = 0x0004, /* has never been switched to */	241	CF_NEW = 0x0004, /* has never been switched to */
224	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 */
225	};	244	};
226		245
227	/* 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 */
228	typedef struct	247	typedef struct
229	{	248	{
230	SV *defsv;	249	SV *defsv;
231	AV *defav;	250	AV *defav;
232	SV *errsv;	251	SV *errsv;
233	SV *irsgv;	252	SV *irsgv;
		253	HV *hinthv;
234	#define VAR(name,type) type name;	254	#define VAR(name,type) type name;
235	# include "state.h"	255	# include "state.h"
236	#undef VAR	256	#undef VAR
237	} perl_slots;	257	} perl_slots;
238		258
…		…
263	SV *except; /* exception to be thrown */	283	SV *except; /* exception to be thrown */
264	SV *rouse_cb;	284	SV *rouse_cb;
265		285
266	/* async_pool */	286	/* async_pool */
267	SV *saved_deffh;	287	SV *saved_deffh;
		288	SV *invoke_cb;
		289	AV *invoke_av;
		290
		291	/* on_enter/on_leave */
		292	AV *on_enter;
		293	AV *on_leave;
268		294
269	/* linked list */	295	/* linked list */
270	struct coro *next, *prev;	296	struct coro *next, *prev;
271	};	297	};
272		298
…		…
289		315
290	/* for Coro.pm */	316	/* for Coro.pm */
291	static SV *coro_current;	317	static SV *coro_current;
292	static SV *coro_readyhook;	318	static SV *coro_readyhook;
293	static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1];	319	static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1];
		320	static CV *cv_coro_run, *cv_coro_terminate;
294	static struct coro *coro_first;	321	static struct coro *coro_first;
295	#define coro_nready coroapi.nready	322	#define coro_nready coroapi.nready
296		323
297	/** lowlevel stuff **********************************************************/	324	/** lowlevel stuff **********************************************************/
298		325
…		…
326	return get_hv (name, create);	353	return get_hv (name, create);
327	}	354	}
328		355
329	/* may croak */	356	/* may croak */
330	INLINE CV *	357	INLINE CV *
331	coro_sv_2cv (SV *sv)	358	coro_sv_2cv (pTHX_ SV *sv)
332	{	359	{
333	HV *st;	360	HV *st;
334	GV *gvp;	361	GV *gvp;
335	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;
336	}	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 */
337		421
338	static AV *	422	static AV *
339	coro_clone_padlist (pTHX_ CV *cv)	423	coro_derive_padlist (pTHX_ CV *cv)
340	{	424	{
341	AV *padlist = CvPADLIST (cv);	425	AV *padlist = CvPADLIST (cv);
342	AV *newpadlist, *newpad;	426	AV *newpadlist, *newpad;
343		427
344	newpadlist = newAV ();	428	newpadlist = newAV ();
…		…
349	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);	433	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
350	#endif	434	#endif
351	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];	435	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
352	--AvFILLp (padlist);	436	--AvFILLp (padlist);
353		437
354	av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE)));	438	av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0]));
355	av_store (newpadlist, 1, (SV *)newpad);	439	av_store (newpadlist, 1, (SV *)newpad);
356		440
357	return newpadlist;	441	return newpadlist;
358	}	442	}
359		443
360	static void	444	static void
361	free_padlist (pTHX_ AV *padlist)	445	free_padlist (pTHX_ AV *padlist)
362	{	446	{
363	/* may be during global destruction */	447	/* may be during global destruction */
364	if (SvREFCNT (padlist))	448	if (!IN_DESTRUCT)
365	{	449	{
366	I32 i = AvFILLp (padlist);	450	I32 i = AvFILLp (padlist);
367	while (i >= 0)	451
		452	while (i > 0) /* special-case index 0 */
368	{	453	{
369	SV **svp = av_fetch (padlist, i--, FALSE);	454	/* we try to be extra-careful here */
370	if (svp)	455	AV *av = (AV *)AvARRAY (padlist)[i--];
371	{	456	I32 j = AvFILLp (av);
372	SV *sv;	457
373	while (&PL_sv_undef != (sv = av_pop ((AV *)*svp)))	458	while (j >= 0)
		459	SvREFCNT_dec (AvARRAY (av)[j--]);
		460
		461	AvFILLp (av) = -1;
374	SvREFCNT_dec (sv);	462	SvREFCNT_dec (av);
375
376	SvREFCNT_dec (*svp);
377	}
378	}	463	}
379		464
		465	SvREFCNT_dec (AvARRAY (padlist)[0]);
		466
		467	AvFILLp (padlist) = -1;
380	SvREFCNT_dec ((SV*)padlist);	468	SvREFCNT_dec ((SV*)padlist);
381	}	469	}
382	}	470	}
383		471
384	static int	472	static int
…		…
393		481
394	SvREFCNT_dec (av); /* sv_magicext increased the refcount */	482	SvREFCNT_dec (av); /* sv_magicext increased the refcount */
395		483
396	return 0;	484	return 0;
397	}	485	}
398
399	#define CORO_MAGIC_type_cv 26
400	#define CORO_MAGIC_type_state PERL_MAGIC_ext
401		486
402	static MGVTBL coro_cv_vtbl = {	487	static MGVTBL coro_cv_vtbl = {
403	0, 0, 0, 0,	488	0, 0, 0, 0,
404	coro_cv_free	489	coro_cv_free
405	};	490	};
406
407	#define CORO_MAGIC_NN(sv, type) \
408	(expect_true (SvMAGIC (sv)->mg_type == type) \
409	? SvMAGIC (sv) \
410	: mg_find (sv, type))
411
412	#define CORO_MAGIC(sv, type) \
413	(expect_true (SvMAGIC (sv)) \
414	? CORO_MAGIC_NN (sv, type) \
415	: 0)
416
417	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
418	#define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state)
419
420	INLINE struct coro *
421	SvSTATE_ (pTHX_ SV *coro)
422	{
423	HV *stash;
424	MAGIC *mg;
425
426	if (SvROK (coro))
427	coro = SvRV (coro);
428
429	if (expect_false (SvTYPE (coro) != SVt_PVHV))
430	croak ("Coro::State object required");
431
432	stash = SvSTASH (coro);
433	if (expect_false (stash != coro_stash && stash != coro_state_stash))
434	{
435	/* very slow, but rare, check */
436	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
437	croak ("Coro::State object required");
438	}
439
440	mg = CORO_MAGIC_state (coro);
441	return (struct coro *)mg->mg_ptr;
442	}
443
444	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
445
446	/* faster than SvSTATE, but expects a coroutine hv */
447	#define SvSTATE_hv(hv) ((struct coro *)CORO_MAGIC_NN ((SV *)hv, CORO_MAGIC_type_state)->mg_ptr)
448	#define SvSTATE_current SvSTATE_hv (SvRV (coro_current))
449		491
450	/* the next two functions merely cache the padlists */	492	/* the next two functions merely cache the padlists */
451	static void	493	static void
452	get_padlist (pTHX_ CV *cv)	494	get_padlist (pTHX_ CV *cv)
453	{	495	{
…		…
464	CV *cp = Perl_cv_clone (aTHX_ cv);	506	CV *cp = Perl_cv_clone (aTHX_ cv);
465	CvPADLIST (cv) = CvPADLIST (cp);	507	CvPADLIST (cv) = CvPADLIST (cp);
466	CvPADLIST (cp) = 0;	508	CvPADLIST (cp) = 0;
467	SvREFCNT_dec (cp);	509	SvREFCNT_dec (cp);
468	#else	510	#else
469	CvPADLIST (cv) = coro_clone_padlist (aTHX_ cv);	511	CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv);
470	#endif	512	#endif
471	}	513	}
472	}	514	}
473		515
474	static void	516	static void
…		…
481	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);
482		524
483	av = (AV *)mg->mg_obj;	525	av = (AV *)mg->mg_obj;
484		526
485	if (expect_false (AvFILLp (av) >= AvMAX (av)))	527	if (expect_false (AvFILLp (av) >= AvMAX (av)))
486	av_extend (av, AvMAX (av) + 1);	528	av_extend (av, AvFILLp (av) + 1);
487		529
488	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);	530	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
489	}	531	}
490		532
491	/** load & save, init *******************************************************/	533	/** load & save, init *******************************************************/
		534
		535	static void
		536	on_enterleave_call (pTHX_ SV *cb);
492		537
493	static void	538	static void
494	load_perl (pTHX_ Coro__State c)	539	load_perl (pTHX_ Coro__State c)
495	{	540	{
496	perl_slots *slot = c->slot;	541	perl_slots *slot = c->slot;
497	c->slot = 0;	542	c->slot = 0;
498		543
499	PL_mainstack = c->mainstack;	544	PL_mainstack = c->mainstack;
500		545
501	GvSV (PL_defgv) = slot->defsv;	546	GvSV (PL_defgv) = slot->defsv;
502	GvAV (PL_defgv) = slot->defav;	547	GvAV (PL_defgv) = slot->defav;
503	GvSV (PL_errgv) = slot->errsv;	548	GvSV (PL_errgv) = slot->errsv;
504	GvSV (irsgv) = slot->irsgv;	549	GvSV (irsgv) = slot->irsgv;
		550	GvHV (PL_hintgv) = slot->hinthv;
505		551
506	#define VAR(name,type) PL_ ## name = slot->name;	552	#define VAR(name,type) PL_ ## name = slot->name;
507	# include "state.h"	553	# include "state.h"
508	#undef VAR	554	#undef VAR
509		555
…		…
523	PUTBACK;	569	PUTBACK;
524	}	570	}
525		571
526	slf_frame = c->slf_frame;	572	slf_frame = c->slf_frame;
527	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	}
528	}	582	}
529		583
530	static void	584	static void
531	save_perl (pTHX_ Coro__State c)	585	save_perl (pTHX_ Coro__State c)
532	{	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
533	c->except = CORO_THROW;	595	c->except = CORO_THROW;
534	c->slf_frame = slf_frame;	596	c->slf_frame = slf_frame;
535		597
536	{	598	{
537	dSP;	599	dSP;
…		…
595	c->mainstack = PL_mainstack;	657	c->mainstack = PL_mainstack;
596		658
597	{	659	{
598	perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1);	660	perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1);
599		661
600	slot->defav = GvAV (PL_defgv);	662	slot->defav = GvAV (PL_defgv);
601	slot->defsv = DEFSV;	663	slot->defsv = DEFSV;
602	slot->errsv = ERRSV;	664	slot->errsv = ERRSV;
603	slot->irsgv = GvSV (irsgv);	665	slot->irsgv = GvSV (irsgv);
		666	slot->hinthv = GvHV (PL_hintgv);
604		667
605	#define VAR(name,type) slot->name = PL_ ## name;	668	#define VAR(name,type) slot->name = PL_ ## name;
606	# include "state.h"	669	# include "state.h"
607	#undef VAR	670	#undef VAR
608	}	671	}
…		…
686	#if !PERL_VERSION_ATLEAST (5,10,0)	749	#if !PERL_VERSION_ATLEAST (5,10,0)
687	Safefree (PL_retstack);	750	Safefree (PL_retstack);
688	#endif	751	#endif
689	}	752	}
690		753
		754	#define CORO_RSS \
		755	rss += sizeof (SYM (curstackinfo)); \
		756	rss += (SYM (curstackinfo->si_cxmax) + 1) * sizeof (PERL_CONTEXT); \
		757	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (SYM (curstack))) * sizeof (SV *); \
		758	rss += SYM (tmps_max) * sizeof (SV *); \
		759	rss += (SYM (markstack_max) - SYM (markstack_ptr)) * sizeof (I32); \
		760	rss += SYM (scopestack_max) * sizeof (I32); \
		761	rss += SYM (savestack_max) * sizeof (ANY);
		762
691	static size_t	763	static size_t
692	coro_rss (pTHX_ struct coro *coro)	764	coro_rss (pTHX_ struct coro *coro)
693	{	765	{
694	size_t rss = sizeof (*coro);	766	size_t rss = sizeof (*coro);
695		767
696	if (coro->mainstack)	768	if (coro->mainstack)
697	{	769	{
698	perl_slots tmp_slot;
699	perl_slots *slot;
700
701	if (coro->flags & CF_RUNNING)	770	if (coro->flags & CF_RUNNING)
702	{	771	{
703	slot = &tmp_slot;	772	#define SYM(sym) PL_ ## sym
704		773	CORO_RSS;
705	#define VAR(name,type) slot->name = PL_ ## name;
706	# include "state.h"
707	#undef VAR	774	#undef SYM
708	}	775	}
709	else	776	else
710	slot = coro->slot;
711
712	if (slot)
713	{	777	{
714	rss += sizeof (slot->curstackinfo);	778	#define SYM(sym) coro->slot->sym
715	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);	779	CORO_RSS;
716	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);	780	#undef SYM
717	rss += slot->tmps_max * sizeof (SV *);
718	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
719	rss += slot->scopestack_max * sizeof (I32);
720	rss += slot->savestack_max * sizeof (ANY);
721
722	#if !PERL_VERSION_ATLEAST (5,10,0)
723	rss += slot->retstack_max * sizeof (OP *);
724	#endif
725	}	781	}
726	}	782	}
727		783
728	return rss;	784	return rss;
729	}	785	}
…		…
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);
935	SvREFCNT_dec (coro->rouse_cb);	1006	SvREFCNT_dec (coro->rouse_cb);
		1007	SvREFCNT_dec (coro->invoke_cb);
		1008	SvREFCNT_dec (coro->invoke_av);
936		1009
937	coro_destruct_stacks (aTHX);	1010	coro_destruct_stacks (aTHX);
938	}	1011	}
939		1012
940	INLINE void	1013	INLINE void
…		…
950	static int	1023	static int
951	runops_trace (pTHX)	1024	runops_trace (pTHX)
952	{	1025	{
953	COP *oldcop = 0;	1026	COP *oldcop = 0;
954	int oldcxix = -2;	1027	int oldcxix = -2;
955	struct coro *coro = SvSTATE_current; /* trace cctx is tied to specific coro */
956	coro_cctx *cctx = coro->cctx;
957		1028
958	while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))	1029	while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))
959	{	1030	{
960	PERL_ASYNC_CHECK ();	1031	PERL_ASYNC_CHECK ();
961		1032
962	if (cctx->flags & CC_TRACE_ALL)	1033	if (cctx_current->flags & CC_TRACE_ALL)
963	{	1034	{
964	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)
965	{	1036	{
966	PERL_CONTEXT *cx = &cxstack[cxstack_ix];	1037	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
967	SV **bot, **top;	1038	SV **bot, **top;
968	AV *av = newAV (); /* return values */	1039	AV *av = newAV (); /* return values */
969	SV **cb;	1040	SV **cb;
…		…
1006		1077
1007	if (PL_curcop != &PL_compiling)	1078	if (PL_curcop != &PL_compiling)
1008	{	1079	{
1009	SV **cb;	1080	SV **cb;
1010		1081
1011	if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB)	1082	if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB)
1012	{	1083	{
1013	PERL_CONTEXT *cx = &cxstack[cxstack_ix];	1084	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
1014		1085
1015	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)	1086	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)
1016	{	1087	{
1017	runops_proc_t old_runops = PL_runops;
1018	dSP;	1088	dSP;
1019	GV *gv = CvGV (cx->blk_sub.cv);	1089	GV *gv = CvGV (cx->blk_sub.cv);
1020	SV *fullname = sv_2mortal (newSV (0));	1090	SV *fullname = sv_2mortal (newSV (0));
1021		1091
1022	if (isGV (gv))	1092	if (isGV (gv))
…		…
1040	}	1110	}
1041		1111
1042	oldcxix = cxstack_ix;	1112	oldcxix = cxstack_ix;
1043	}	1113	}
1044		1114
1045	if (cctx->flags & CC_TRACE_LINE)	1115	if (cctx_current->flags & CC_TRACE_LINE)
1046	{	1116	{
1047	dSP;	1117	dSP;
1048		1118
1049	PL_runops = RUNOPS_DEFAULT;	1119	PL_runops = RUNOPS_DEFAULT;
1050	ENTER;	1120	ENTER;
…		…
1069		1139
1070	TAINT_NOT;	1140	TAINT_NOT;
1071	return 0;	1141	return 0;
1072	}	1142	}
1073		1143
1074	static struct coro_cctx *cctx_ssl_cctx;
1075	static struct CoroSLF cctx_ssl_frame;	1144	static struct CoroSLF cctx_ssl_frame;
1076		1145
1077	static void	1146	static void
1078	slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta)	1147	slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta)
1079	{	1148	{
1080	ta->prev = (struct coro *)cctx_ssl_cctx;
1081	ta->next = 0;	1149	ta->prev = 0;
1082	}	1150	}
1083		1151
1084	static int	1152	static int
1085	slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame)	1153	slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame)
1086	{	1154	{
…		…
1089	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 */
1090	}	1158	}
1091		1159
1092	/* 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 */
1093	static void NOINLINE	1161	static void NOINLINE
1094	cctx_prepare (pTHX_ coro_cctx *cctx)	1162	cctx_prepare (pTHX)
1095	{	1163	{
1096	PL_top_env = &PL_start_env;	1164	PL_top_env = &PL_start_env;
1097		1165
1098	if (cctx->flags & CC_TRACE)	1166	if (cctx_current->flags & CC_TRACE)
1099	PL_runops = runops_trace;	1167	PL_runops = runops_trace;
1100		1168
1101	/* 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
1102	* that can lead to creation of a new cctx */	1170	* that can lead to creation of a new cctx */
1103	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)",
1104	slf_frame.prepare && PL_op->op_ppaddr == pp_slf));	1172	slf_frame.prepare && PL_op->op_ppaddr == pp_slf));
1105		1173
1106	/* 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 */
1107	cctx_ssl_cctx = cctx;
1108	cctx_ssl_frame = slf_frame;	1175	cctx_ssl_frame = slf_frame;
1109		1176
1110	slf_frame.prepare = slf_prepare_set_stacklevel;	1177	slf_frame.prepare = slf_prepare_set_stacklevel;
1111	slf_frame.check = slf_check_set_stacklevel;	1178	slf_frame.check = slf_check_set_stacklevel;
1112	}	1179	}
…		…
1135	/* normally we would need to skip the entersub here */	1202	/* normally we would need to skip the entersub here */
1136	/* 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 */
1137	/* PL_nop = PL_nop->op_next */	1204	/* PL_nop = PL_nop->op_next */
1138		1205
1139	/* inject a fake subroutine call to cctx_init */	1206	/* inject a fake subroutine call to cctx_init */
1140	cctx_prepare (aTHX_ (coro_cctx *)arg);	1207	cctx_prepare (aTHX);
1141		1208
1142	/* cctx_run is the alternative tail of transfer() */	1209	/* cctx_run is the alternative tail of transfer() */
1143	transfer_tail (aTHX);	1210	transfer_tail (aTHX);
1144		1211
1145	/* 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 */
…		…
1153	/*	1220	/*
1154	* 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
1155	* 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)
1156	* 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
1157	* bootstrap-time "top" top_env, as we cannot restore the "main"	1224	* bootstrap-time "top" top_env, as we cannot restore the "main"
1158	* 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.
1159	*/	1228	*/
1160	PL_top_env = main_top_env;	1229	PL_top_env = main_top_env;
1161	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 */
1162	}	1231	}
1163	}	1232	}
…		…
1240	cctx_destroy (coro_cctx *cctx)	1309	cctx_destroy (coro_cctx *cctx)
1241	{	1310	{
1242	if (!cctx)	1311	if (!cctx)
1243	return;	1312	return;
1244		1313
		1314	assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));//D temporary?
		1315
1245	--cctx_count;	1316	--cctx_count;
1246	coro_destroy (&cctx->cctx);	1317	coro_destroy (&cctx->cctx);
1247		1318
1248	/* coro_transfer creates new, empty cctx's */	1319	/* coro_transfer creates new, empty cctx's */
1249	if (cctx->sptr)	1320	if (cctx->sptr)
…		…
1312	/* TODO: throwing up here is considered harmful */	1383	/* TODO: throwing up here is considered harmful */
1313		1384
1314	if (expect_true (prev != next))	1385	if (expect_true (prev != next))
1315	{	1386	{
1316	if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW))))	1387	if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW))))
1317	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,");
1318		1389
1319	if (expect_false (next->flags & CF_RUNNING))
1320	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states,");
1321
1322	if (expect_false (next->flags & CF_DESTROYED))	1390	if (expect_false (next->flags & (CF_RUNNING | CF_DESTROYED | CF_SUSPENDED)))
1323	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,");
1324		1392
1325	#if !PERL_VERSION_ATLEAST (5,10,0)	1393	#if !PERL_VERSION_ATLEAST (5,10,0)
1326	if (expect_false (PL_lex_state != LEX_NOTPARSING))	1394	if (expect_false (PL_lex_state != LEX_NOTPARSING))
1327	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,");
1328	#endif	1396	#endif
…		…
1334	transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx)	1402	transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx)
1335	{	1403	{
1336	dSTACKLEVEL;	1404	dSTACKLEVEL;
1337		1405
1338	/* sometimes transfer is only called to set idle_sp */	1406	/* sometimes transfer is only called to set idle_sp */
1339	if (expect_false (!next))	1407	if (expect_false (!prev))
1340	{	1408	{
1341	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1409	cctx_current->idle_sp = STACKLEVEL;
1342	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 */
1343	}	1411	}
1344	else if (expect_true (prev != next))	1412	else if (expect_true (prev != next))
1345	{	1413	{
1346	coro_cctx *prev__cctx;	1414	coro_cctx *cctx_prev;
1347		1415
1348	if (expect_false (prev->flags & CF_NEW))	1416	if (expect_false (prev->flags & CF_NEW))
1349	{	1417	{
1350	/* create a new empty/source context */	1418	/* create a new empty/source context */
1351	prev->cctx = cctx_new_empty ();
1352	prev->flags &= ~CF_NEW;	1419	prev->flags &= ~CF_NEW;
1353	prev->flags |= CF_RUNNING;	1420	prev->flags |= CF_RUNNING;
1354	}	1421	}
1355		1422
1356	prev->flags &= ~CF_RUNNING;	1423	prev->flags &= ~CF_RUNNING;
…		…
1367	coro_setup (aTHX_ next);	1434	coro_setup (aTHX_ next);
1368	}	1435	}
1369	else	1436	else
1370	load_perl (aTHX_ next);	1437	load_perl (aTHX_ next);
1371		1438
1372	prev__cctx = prev->cctx;
1373
1374	/* possibly untie and reuse the cctx */	1439	/* possibly untie and reuse the cctx */
1375	if (expect_true (	1440	if (expect_true (
1376	prev__cctx->idle_sp == STACKLEVEL	1441	cctx_current->idle_sp == STACKLEVEL
1377	&& !(prev__cctx->flags & CC_TRACE)	1442	&& !(cctx_current->flags & CC_TRACE)
1378	&& !force_cctx	1443	&& !force_cctx
1379	))	1444	))
1380	{	1445	{
1381	/* 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 */
1382	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));
1383		1448
1384	prev->cctx = 0;
1385
1386	/* 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. */
1387	/* 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 */
1388	if (expect_false (CCTX_EXPIRED (prev__cctx)))	1451	if (expect_false (CCTX_EXPIRED (cctx_current)))
1389	if (!next->cctx)	1452	if (expect_true (!next->cctx))
1390	next->cctx = cctx_get (aTHX);	1453	next->cctx = cctx_get (aTHX);
1391		1454
1392	cctx_put (prev__cctx);	1455	cctx_put (cctx_current);
1393	}	1456	}
		1457	else
		1458	prev->cctx = cctx_current;
1394		1459
1395	++next->usecount;	1460	++next->usecount;
1396		1461
1397	if (expect_true (!next->cctx))	1462	cctx_prev = cctx_current;
1398	next->cctx = cctx_get (aTHX);	1463	cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX);
1399		1464
1400	if (expect_false (prev__cctx != next->cctx))	1465	next->cctx = 0;
		1466
		1467	if (expect_false (cctx_prev != cctx_current))
1401	{	1468	{
1402	prev__cctx->top_env = PL_top_env;	1469	cctx_prev->top_env = PL_top_env;
1403	PL_top_env = next->cctx->top_env;	1470	PL_top_env = cctx_current->top_env;
1404	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);	1471	coro_transfer (&cctx_prev->cctx, &cctx_current->cctx);
1405	}	1472	}
1406		1473
1407	transfer_tail (aTHX);	1474	transfer_tail (aTHX);
1408	}	1475	}
1409	}	1476	}
…		…
1417	coro_state_destroy (pTHX_ struct coro *coro)	1484	coro_state_destroy (pTHX_ struct coro *coro)
1418	{	1485	{
1419	if (coro->flags & CF_DESTROYED)	1486	if (coro->flags & CF_DESTROYED)
1420	return 0;	1487	return 0;
1421		1488
1422	if (coro->on_destroy)	1489	if (coro->on_destroy && !PL_dirty)
1423	coro->on_destroy (aTHX_ coro);	1490	coro->on_destroy (aTHX_ coro);
1424		1491
1425	coro->flags |= CF_DESTROYED;	1492	coro->flags |= CF_DESTROYED;
1426		1493
1427	if (coro->flags & CF_READY)	1494	if (coro->flags & CF_READY)
…		…
1431	--coro_nready;	1498	--coro_nready;
1432	}	1499	}
1433	else	1500	else
1434	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 */
1435		1502
1436	if (coro->mainstack && coro->mainstack != main_mainstack)	1503	if (coro->mainstack
		1504	&& coro->mainstack != main_mainstack
		1505	&& coro->slot
		1506	&& !PL_dirty)
1437	{	1507	{
1438	struct coro temp;	1508	struct coro *current = SvSTATE_current;
1439		1509
1440	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));
1441		1511
1442	save_perl (aTHX_ &temp);	1512	save_perl (aTHX_ current);
1443	load_perl (aTHX_ coro);	1513	load_perl (aTHX_ coro);
1444		1514
1445	coro_destruct (aTHX_ coro);	1515	coro_destruct_perl (aTHX_ coro);
1446		1516
1447	load_perl (aTHX_ &temp);	1517	load_perl (aTHX_ current);
1448		1518
1449	coro->slot = 0;	1519	coro->slot = 0;
1450	}	1520	}
1451		1521
1452	cctx_destroy (coro->cctx);	1522	cctx_destroy (coro->cctx);
…		…
1564	{	1634	{
1565	struct coro *coro;	1635	struct coro *coro;
1566	SV *sv_hook;	1636	SV *sv_hook;
1567	void (*xs_hook)(void);	1637	void (*xs_hook)(void);
1568		1638
1569	if (SvROK (coro_sv))
1570	coro_sv = SvRV (coro_sv);
1571
1572	coro = SvSTATE (coro_sv);	1639	coro = SvSTATE (coro_sv);
1573		1640
1574	if (coro->flags & CF_READY)	1641	if (coro->flags & CF_READY)
1575	return 0;	1642	return 0;
1576		1643
…		…
1607	api_is_ready (pTHX_ SV *coro_sv)	1674	api_is_ready (pTHX_ SV *coro_sv)
1608	{	1675	{
1609	return !!(SvSTATE (coro_sv)->flags & CF_READY);	1676	return !!(SvSTATE (coro_sv)->flags & CF_READY);
1610	}	1677	}
1611		1678
		1679	/* expects to own a reference to next->hv */
1612	INLINE void	1680	INLINE void
1613	prepare_schedule (pTHX_ struct coro_transfer_args *ta)	1681	prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next)
1614	{	1682	{
1615	SV *prev_sv, *next_sv;
1616
1617	for (;;)
1618	{
1619	next_sv = coro_deq (aTHX);
1620
1621	/* nothing to schedule: call the idle handler */
1622	if (expect_false (!next_sv))
1623	{
1624	dSP;
1625
1626	ENTER;
1627	SAVETMPS;
1628
1629	PUSHMARK (SP);
1630	PUTBACK;
1631	call_sv (get_sv ("Coro::idle", FALSE), G_VOID | G_DISCARD);
1632
1633	FREETMPS;
1634	LEAVE;
1635	continue;
1636	}
1637
1638	ta->next = SvSTATE_hv (next_sv);
1639
1640	/* cannot transfer to destroyed coros, skip and look for next */
1641	if (expect_false (ta->next->flags & CF_DESTROYED))
1642	{
1643	SvREFCNT_dec (next_sv);
1644	/* coro_nready has already been taken care of by destroy */
1645	continue;
1646	}
1647
1648	--coro_nready;
1649	break;
1650	}
1651
1652	/* free this only after the transfer */
1653	prev_sv = SvRV (coro_current);	1683	SV *prev_sv = SvRV (coro_current);
		1684
1654	ta->prev = SvSTATE_hv (prev_sv);	1685	ta->prev = SvSTATE_hv (prev_sv);
		1686	ta->next = next;
		1687
1655	TRANSFER_CHECK (*ta);	1688	TRANSFER_CHECK (*ta);
1656	assert (("FATAL: next coroutine isn't marked as ready in Coro (please report)", ta->next->flags & CF_READY));	1689
1657	ta->next->flags &= ~CF_READY;
1658	SvRV_set (coro_current, next_sv);	1690	SvRV_set (coro_current, (SV *)next->hv);
1659		1691
1660	free_coro_mortal (aTHX);	1692	free_coro_mortal (aTHX);
1661	coro_mortal = prev_sv;	1693	coro_mortal = prev_sv;
1662	}	1694	}
1663		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
1664	INLINE void	1747	INLINE void
1665	prepare_cede (pTHX_ struct coro_transfer_args *ta)	1748	prepare_cede (pTHX_ struct coro_transfer_args *ta)
1666	{	1749	{
1667	api_ready (aTHX_ coro_current);	1750	api_ready (aTHX_ coro_current);
1668	prepare_schedule (aTHX_ ta);	1751	prepare_schedule (aTHX_ ta);
…		…
1687	{	1770	{
1688	struct coro_transfer_args ta;	1771	struct coro_transfer_args ta;
1689		1772
1690	prepare_schedule (aTHX_ &ta);	1773	prepare_schedule (aTHX_ &ta);
1691	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);
1692	}	1785	}
1693		1786
1694	static int	1787	static int
1695	api_cede (pTHX)	1788	api_cede (pTHX)
1696	{	1789	{
…		…
1725	static void	1818	static void
1726	api_trace (pTHX_ SV *coro_sv, int flags)	1819	api_trace (pTHX_ SV *coro_sv, int flags)
1727	{	1820	{
1728	struct coro *coro = SvSTATE (coro_sv);	1821	struct coro *coro = SvSTATE (coro_sv);
1729		1822
		1823	if (coro->flags & CF_RUNNING)
		1824	croak ("cannot enable tracing on a running coroutine, caught");
		1825
1730	if (flags & CC_TRACE)	1826	if (flags & CC_TRACE)
1731	{	1827	{
1732	if (!coro->cctx)	1828	if (!coro->cctx)
1733	coro->cctx = cctx_new_run ();	1829	coro->cctx = cctx_new_run ();
1734	else if (!(coro->cctx->flags & CC_TRACE))	1830	else if (!(coro->cctx->flags & CC_TRACE))
1735	croak ("cannot enable tracing on coroutine with custom stack,");	1831	croak ("cannot enable tracing on coroutine with custom stack, caught");
1736		1832
1737	coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL));	1833	coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL));
1738	}	1834	}
1739	else if (coro->cctx && coro->cctx->flags & CC_TRACE)	1835	else if (coro->cctx && coro->cctx->flags & CC_TRACE)
1740	{	1836	{
…		…
1745	else	1841	else
1746	coro->slot->runops = RUNOPS_DEFAULT;	1842	coro->slot->runops = RUNOPS_DEFAULT;
1747	}	1843	}
1748	}	1844	}
1749		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);*/
		1901	}
		1902
		1903	/*****************************************************************************/
		1904	/* async pool handler */
		1905
		1906	static int
		1907	slf_check_pool_handler (pTHX_ struct CoroSLF *frame)
		1908	{
		1909	HV *hv = (HV *)SvRV (coro_current);
		1910	struct coro *coro = (struct coro *)frame->data;
		1911
		1912	if (!coro->invoke_cb)
		1913	return 1; /* loop till we have invoke */
		1914	else
		1915	{
		1916	hv_store (hv, "desc", sizeof ("desc") - 1,
		1917	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
		1918
		1919	coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv);
		1920
		1921	{
		1922	dSP;
		1923	XPUSHs (sv_2mortal (coro->invoke_cb)); coro->invoke_cb = 0;
		1924	PUTBACK;
		1925	}
		1926
		1927	SvREFCNT_dec (GvAV (PL_defgv));
		1928	GvAV (PL_defgv) = coro->invoke_av;
		1929	coro->invoke_av = 0;
		1930
		1931	return 0;
		1932	}
		1933	}
		1934
		1935	static void
		1936	slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
		1937	{
		1938	HV *hv = (HV *)SvRV (coro_current);
		1939	struct coro *coro = SvSTATE_hv ((SV *)hv);
		1940
		1941	if (expect_true (coro->saved_deffh))
		1942	{
		1943	/* subsequent iteration */
		1944	SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh;
		1945	coro->saved_deffh = 0;
		1946
		1947	if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss)
		1948	|| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
		1949	{
		1950	coro->invoke_cb = SvREFCNT_inc_NN ((SV *)cv_coro_terminate);
		1951	coro->invoke_av = newAV ();
		1952
		1953	frame->prepare = prepare_nop;
		1954	}
		1955	else
		1956	{
		1957	av_clear (GvAV (PL_defgv));
		1958	hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0);
		1959
		1960	coro->prio = 0;
		1961
		1962	if (coro->cctx && (coro->cctx->flags & CC_TRACE))
		1963	api_trace (aTHX_ coro_current, 0);
		1964
		1965	frame->prepare = prepare_schedule;
		1966	av_push (av_async_pool, SvREFCNT_inc (hv));
		1967	}
		1968	}
		1969	else
		1970	{
		1971	/* first iteration, simply fall through */
		1972	frame->prepare = prepare_nop;
		1973	}
		1974
		1975	frame->check = slf_check_pool_handler;
		1976	frame->data = (void *)coro;
		1977	}
		1978
1750	/*****************************************************************************/	1979	/*****************************************************************************/
1751	/* rouse callback */	1980	/* rouse callback */
1752		1981
1753	#define CORO_MAGIC_type_rouse PERL_MAGIC_ext	1982	#define CORO_MAGIC_type_rouse PERL_MAGIC_ext
1754		1983
…		…
1759	SV *data = (SV *)GENSUB_ARG;	1988	SV *data = (SV *)GENSUB_ARG;
1760		1989
1761	if (SvTYPE (SvRV (data)) != SVt_PVAV)	1990	if (SvTYPE (SvRV (data)) != SVt_PVAV)
1762	{	1991	{
1763	/* first call, set args */	1992	/* first call, set args */
1764	int i;	1993	SV *coro = SvRV (data);
1765	AV *av = newAV ();	1994	AV *av = newAV ();
1766	SV *coro = SvRV (data);
1767		1995
1768	SvRV_set (data, (SV *)av);	1996	SvRV_set (data, (SV *)av);
1769	api_ready (aTHX_ coro);
1770	SvREFCNT_dec (coro);
1771		1997
1772	/* better take a full copy of the arguments */	1998	/* better take a full copy of the arguments */
1773	while (items--)	1999	while (items--)
1774	av_store (av, items, newSVsv (ST (items)));	2000	av_store (av, items, newSVsv (ST (items)));
		2001
		2002	api_ready (aTHX_ coro);
		2003	SvREFCNT_dec (coro);
1775	}	2004	}
1776		2005
1777	XSRETURN_EMPTY;	2006	XSRETURN_EMPTY;
1778	}	2007	}
1779		2008
…		…
1796		2025
1797	EXTEND (SP, AvFILLp (av) + 1);	2026	EXTEND (SP, AvFILLp (av) + 1);
1798	for (i = 0; i <= AvFILLp (av); ++i)	2027	for (i = 0; i <= AvFILLp (av); ++i)
1799	PUSHs (sv_2mortal (AvARRAY (av)[i]));	2028	PUSHs (sv_2mortal (AvARRAY (av)[i]));
1800		2029
1801	/* we have stolen the elements, so ste length to zero and free */	2030	/* we have stolen the elements, so set length to zero and free */
1802	AvFILLp (av) = -1;	2031	AvFILLp (av) = -1;
1803	av_undef (av);	2032	av_undef (av);
1804		2033
1805	PUTBACK;	2034	PUTBACK;
1806	}	2035	}
…		…
1910	static void	2139	static void
1911	slf_init_schedule (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)	2140	slf_init_schedule (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
1912	{	2141	{
1913	frame->prepare = prepare_schedule;	2142	frame->prepare = prepare_schedule;
1914	frame->check = slf_check_nop;	2143	frame->check = slf_check_nop;
		2144	}
		2145
		2146	static void
		2147	slf_prepare_schedule_to (pTHX_ struct coro_transfer_args *ta)
		2148	{
		2149	struct coro *next = (struct coro *)slf_frame.data;
		2150
		2151	SvREFCNT_inc_NN (next->hv);
		2152	prepare_schedule_to (aTHX_ ta, next);
		2153	}
		2154
		2155	static void
		2156	slf_init_schedule_to (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
		2157	{
		2158	if (!items)
		2159	croak ("Coro::schedule_to expects a coroutine argument, caught");
		2160
		2161	frame->data = (void *)SvSTATE (arg [0]);
		2162	frame->prepare = slf_prepare_schedule_to;
		2163	frame->check = slf_check_nop;
		2164	}
		2165
		2166	static void
		2167	slf_init_cede_to (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
		2168	{
		2169	api_ready (aTHX_ SvRV (coro_current));
		2170
		2171	slf_init_schedule_to (aTHX_ frame, cv, arg, items);
1915	}	2172	}
1916		2173
1917	static void	2174	static void
1918	slf_init_cede (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)	2175	slf_init_cede (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
1919	{	2176	{
…		…
2065	}	2322	}
2066	else	2323	else
2067	slf_argc = 0;	2324	slf_argc = 0;
2068		2325
2069	PL_op->op_ppaddr = pp_slf;	2326	PL_op->op_ppaddr = pp_slf;
2070	PL_op->op_type = OP_CUSTOM; /* maybe we should leave it at entersub? */	2327	/*PL_op->op_type = OP_CUSTOM; /* we do behave like entersub still */
2071		2328
2072	PL_op = (OP *)&slf_restore;	2329	PL_op = (OP *)&slf_restore;
		2330	}
		2331
		2332	/*****************************************************************************/
		2333	/* dynamic wind */
		2334
		2335	static void
		2336	on_enterleave_call (pTHX_ SV *cb)
		2337	{
		2338	dSP;
		2339
		2340	PUSHSTACK;
		2341
		2342	PUSHMARK (SP);
		2343	PUTBACK;
		2344	call_sv (cb, G_VOID | G_DISCARD);
		2345	SPAGAIN;
		2346
		2347	POPSTACK;
		2348	}
		2349
		2350	static SV *
		2351	coro_avp_pop_and_free (pTHX_ AV **avp)
		2352	{
		2353	AV *av = *avp;
		2354	SV *res = av_pop (av);
		2355
		2356	if (AvFILLp (av) < 0)
		2357	{
		2358	*avp = 0;
		2359	SvREFCNT_dec (av);
		2360	}
		2361
		2362	return res;
		2363	}
		2364
		2365	static void
		2366	coro_pop_on_enter (pTHX_ void *coro)
		2367	{
		2368	SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_enter);
		2369	SvREFCNT_dec (cb);
		2370	}
		2371
		2372	static void
		2373	coro_pop_on_leave (pTHX_ void *coro)
		2374	{
		2375	SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_leave);
		2376	on_enterleave_call (aTHX_ sv_2mortal (cb));
2073	}	2377	}
2074		2378
2075	/*****************************************************************************/	2379	/*****************************************************************************/
2076	/* PerlIO::cede */	2380	/* PerlIO::cede */
2077		2381
…		…
2158	SV **ary;	2462	SV **ary;
2159		2463
2160	/* unfortunately, building manually saves memory */	2464	/* unfortunately, building manually saves memory */
2161	Newx (ary, 2, SV *);	2465	Newx (ary, 2, SV *);
2162	AvALLOC (av) = ary;	2466	AvALLOC (av) = ary;
		2467	#if PERL_VERSION_ATLEAST (5,10,0)
2163	/*AvARRAY (av) = ary;*/	2468	AvARRAY (av) = ary;
		2469	#else
2164	SvPVX ((SV *)av) = (char *)ary; /* 5.8.8 needs this syntax instead of AvARRAY = ary */	2470	/* 5.8.8 needs this syntax instead of AvARRAY = ary, yet */
		2471	/* -DDEBUGGING flags this as a bug, despite it perfectly working */
		2472	SvPVX ((SV *)av) = (char *)ary;
		2473	#endif
2165	AvMAX (av) = 1;	2474	AvMAX (av) = 1;
2166	AvFILLp (av) = 0;	2475	AvFILLp (av) = 0;
2167	ary [0] = newSViv (count);	2476	ary [0] = newSViv (count);
2168		2477
2169	return newRV_noinc ((SV *)av);	2478	return newRV_noinc ((SV *)av);
…		…
2298	{	2607	{
2299	if (items >= 2)	2608	if (items >= 2)
2300	{	2609	{
2301	/* callback form */	2610	/* callback form */
2302	AV *av = (AV *)SvRV (arg [0]);	2611	AV *av = (AV *)SvRV (arg [0]);
2303	CV *cb_cv = coro_sv_2cv (arg [1]);	2612	CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]);
2304		2613
2305	av_push (av, (SV *)SvREFCNT_inc_NN (cb_cv));	2614	av_push (av, (SV *)SvREFCNT_inc_NN (cb_cv));
2306		2615
2307	if (SvIVX (AvARRAY (av)[0]) > 0)	2616	if (SvIVX (AvARRAY (av)[0]) > 0)
2308	coro_semaphore_adjust (aTHX_ av, 0);	2617	coro_semaphore_adjust (aTHX_ av, 0);
…		…
2394	dXSARGS;	2703	dXSARGS;
2395	AV *state = (AV *)GENSUB_ARG;	2704	AV *state = (AV *)GENSUB_ARG;
2396	SV *coro = av_pop (state);	2705	SV *coro = av_pop (state);
2397	SV *data_sv = newSV (sizeof (struct io_state));	2706	SV *data_sv = newSV (sizeof (struct io_state));
2398		2707
2399	av_extend (state, items);	2708	av_extend (state, items - 1);
2400		2709
2401	sv_upgrade (data_sv, SVt_PV);	2710	sv_upgrade (data_sv, SVt_PV);
2402	SvCUR_set (data_sv, sizeof (struct io_state));	2711	SvCUR_set (data_sv, sizeof (struct io_state));
2403	SvPOK_only (data_sv);	2712	SvPOK_only (data_sv);
2404		2713
…		…
2539	XSRETURN_EMPTY;	2848	XSRETURN_EMPTY;
2540	}	2849	}
2541		2850
2542	/*****************************************************************************/	2851	/*****************************************************************************/
2543		2852
		2853	#if CORO_CLONE
		2854	# include "clone.c"
		2855	#endif
		2856
2544	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	2857	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
2545		2858
2546	PROTOTYPES: DISABLE	2859	PROTOTYPES: DISABLE
2547		2860
2548	BOOT:	2861	BOOT:
…		…
2552	coro_thx = PERL_GET_CONTEXT;	2865	coro_thx = PERL_GET_CONTEXT;
2553	# endif	2866	# endif
2554	#endif	2867	#endif
2555	BOOT_PAGESIZE;	2868	BOOT_PAGESIZE;
2556		2869
		2870	cctx_current = cctx_new_empty ();
		2871
2557	irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV);	2872	irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV);
2558	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO);	2873	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO);
2559		2874
2560	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;	2875	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;
2561	orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;	2876	orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;
…		…
2580		2895
2581	{	2896	{
2582	SV *slf = sv_2mortal (newSViv (PTR2IV (pp_slf)));	2897	SV *slf = sv_2mortal (newSViv (PTR2IV (pp_slf)));
2583		2898
2584	if (!PL_custom_op_names) PL_custom_op_names = newHV ();	2899	if (!PL_custom_op_names) PL_custom_op_names = newHV ();
2585	hv_store_ent (PL_custom_op_names, slf,	2900	hv_store_ent (PL_custom_op_names, slf, newSVpv ("coro_slf", 0), 0);
2586	newSVpv ("coro_slf", 0), 0);
2587		2901
2588	if (!PL_custom_op_descs) PL_custom_op_descs = newHV ();	2902	if (!PL_custom_op_descs) PL_custom_op_descs = newHV ();
2589	hv_store_ent (PL_custom_op_descs, slf,	2903	hv_store_ent (PL_custom_op_descs, slf, newSVpv ("coro schedule like function", 0), 0);
2590	newSVpv ("coro schedule like function", 0), 0);
2591	}	2904	}
2592		2905
2593	coroapi.ver = CORO_API_VERSION;	2906	coroapi.ver = CORO_API_VERSION;
2594	coroapi.rev = CORO_API_REVISION;	2907	coroapi.rev = CORO_API_REVISION;
2595		2908
…		…
2614	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	2927	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
2615	}	2928	}
2616		2929
2617	SV *	2930	SV *
2618	new (char *klass, ...)	2931	new (char *klass, ...)
		2932	ALIAS:
		2933	Coro::new = 1
2619	CODE:	2934	CODE:
2620	{	2935	{
2621	struct coro *coro;	2936	struct coro *coro;
2622	MAGIC *mg;	2937	MAGIC *mg;
2623	HV *hv;	2938	HV *hv;
2624	CV *cb;	2939	CV *cb;
2625	int i;	2940	int i;
2626		2941
2627	if (items > 1)	2942	if (items > 1)
2628	{	2943	{
2629	cb = coro_sv_2cv (ST (1));	2944	cb = coro_sv_2cv (aTHX_ ST (1));
2630		2945
		2946	if (!ix)
		2947	{
2631	if (CvISXSUB (cb))	2948	if (CvISXSUB (cb))
2632	croak ("Coro::State doesn't support XS functions as coroutine start, caught");	2949	croak ("Coro::State doesn't support XS functions as coroutine start, caught");
2633		2950
2634	if (!CvROOT (cb))	2951	if (!CvROOT (cb))
2635	croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught");	2952	croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught");
		2953	}
2636	}	2954	}
2637		2955
2638	Newz (0, coro, 1, struct coro);	2956	Newz (0, coro, 1, struct coro);
2639	coro->args = newAV ();	2957	coro->args = newAV ();
2640	coro->flags = CF_NEW;	2958	coro->flags = CF_NEW;
…		…
2648	mg->mg_flags |= MGf_DUP;	2966	mg->mg_flags |= MGf_DUP;
2649	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	2967	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
2650		2968
2651	if (items > 1)	2969	if (items > 1)
2652	{	2970	{
2653	coro->startcv = SvREFCNT_inc_NN (cb);
2654
2655	av_extend (coro->args, items - 1);	2971	av_extend (coro->args, items - 1 + ix - 1);
		2972
		2973	if (ix)
		2974	{
		2975	av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb));
		2976	cb = cv_coro_run;
		2977	}
		2978
		2979	coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb);
		2980
2656	for (i = 2; i < items; i++)	2981	for (i = 2; i < items; i++)
2657	av_push (coro->args, newSVsv (ST (i)));	2982	av_push (coro->args, newSVsv (ST (i)));
2658	}	2983	}
2659	}	2984	}
2660	OUTPUT:	2985	OUTPUT:
…		…
2676	void	3001	void
2677	_exit (int code)	3002	_exit (int code)
2678	PROTOTYPE: $	3003	PROTOTYPE: $
2679	CODE:	3004	CODE:
2680	_exit (code);	3005	_exit (code);
		3006
		3007	SV *
		3008	clone (Coro::State coro)
		3009	CODE:
		3010	{
		3011	#if CORO_CLONE
		3012	struct coro *ncoro = coro_clone (aTHX_ coro);
		3013	MAGIC *mg;
		3014	/* TODO: too much duplication */
		3015	ncoro->hv = newHV ();
		3016	mg = sv_magicext ((SV *)ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)ncoro, 0);
		3017	mg->mg_flags |= MGf_DUP;
		3018	RETVAL = sv_bless (newRV_noinc ((SV *)ncoro->hv), SvSTASH (coro->hv));
		3019	#else
		3020	croak ("Coro::State->clone has not been configured into this installation of Coro, realised");
		3021	#endif
		3022	}
		3023	OUTPUT:
		3024	RETVAL
2681		3025
2682	int	3026	int
2683	cctx_stacksize (int new_stacksize = 0)	3027	cctx_stacksize (int new_stacksize = 0)
2684	PROTOTYPE: ;$	3028	PROTOTYPE: ;$
2685	CODE:	3029	CODE:
…		…
2735	eval = 1	3079	eval = 1
2736	CODE:	3080	CODE:
2737	{	3081	{
2738	if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot))	3082	if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot))
2739	{	3083	{
2740	struct coro temp;	3084	struct coro *current = SvSTATE_current;
2741		3085
2742	if (!(coro->flags & CF_RUNNING))	3086	if (current != coro)
2743	{	3087	{
2744	PUTBACK;	3088	PUTBACK;
2745	save_perl (aTHX_ &temp);	3089	save_perl (aTHX_ current);
2746	load_perl (aTHX_ coro);	3090	load_perl (aTHX_ coro);
		3091	SPAGAIN;
2747	}	3092	}
2748		3093
2749	{
2750	dSP;
2751	ENTER;
2752	SAVETMPS;
2753	PUTBACK;
2754	PUSHSTACK;	3094	PUSHSTACK;
		3095
2755	PUSHMARK (SP);	3096	PUSHMARK (SP);
		3097	PUTBACK;
2756		3098
2757	if (ix)	3099	if (ix)
2758	eval_sv (coderef, 0);	3100	eval_sv (coderef, 0);
2759	else	3101	else
2760	call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);	3102	call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
2761		3103
2762	POPSTACK;	3104	POPSTACK;
2763	SPAGAIN;	3105	SPAGAIN;
2764	FREETMPS;
2765	LEAVE;
2766	PUTBACK;
2767	}
2768		3106
2769	if (!(coro->flags & CF_RUNNING))	3107	if (current != coro)
2770	{	3108	{
		3109	PUTBACK;
2771	save_perl (aTHX_ coro);	3110	save_perl (aTHX_ coro);
2772	load_perl (aTHX_ &temp);	3111	load_perl (aTHX_ current);
2773	SPAGAIN;	3112	SPAGAIN;
2774	}	3113	}
2775	}	3114	}
2776	}	3115	}
2777		3116
…		…
2781	ALIAS:	3120	ALIAS:
2782	is_ready = CF_READY	3121	is_ready = CF_READY
2783	is_running = CF_RUNNING	3122	is_running = CF_RUNNING
2784	is_new = CF_NEW	3123	is_new = CF_NEW
2785	is_destroyed = CF_DESTROYED	3124	is_destroyed = CF_DESTROYED
		3125	is_suspended = CF_SUSPENDED
2786	CODE:	3126	CODE:
2787	RETVAL = boolSV (coro->flags & ix);	3127	RETVAL = boolSV (coro->flags & ix);
2788	OUTPUT:	3128	OUTPUT:
2789	RETVAL	3129	RETVAL
2790		3130
…		…
2806		3146
2807	SV *	3147	SV *
2808	has_cctx (Coro::State coro)	3148	has_cctx (Coro::State coro)
2809	PROTOTYPE: $	3149	PROTOTYPE: $
2810	CODE:	3150	CODE:
2811	RETVAL = boolSV (!!coro->cctx);	3151	/* maybe manage the running flag differently */
		3152	RETVAL = boolSV (!!coro->cctx || (coro->flags & CF_RUNNING));
2812	OUTPUT:	3153	OUTPUT:
2813	RETVAL	3154	RETVAL
2814		3155
2815	int	3156	int
2816	is_traced (Coro::State coro)	3157	is_traced (Coro::State coro)
…		…
2836		3177
2837	void	3178	void
2838	force_cctx ()	3179	force_cctx ()
2839	PROTOTYPE:	3180	PROTOTYPE:
2840	CODE:	3181	CODE:
2841	SvSTATE_current->cctx->idle_sp = 0;	3182	cctx_current->idle_sp = 0;
2842		3183
2843	void	3184	void
2844	swap_defsv (Coro::State self)	3185	swap_defsv (Coro::State self)
2845	PROTOTYPE: $	3186	PROTOTYPE: $
2846	ALIAS:	3187	ALIAS:
…		…
2854	SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv;	3195	SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv;
2855		3196
2856	SV *tmp = *src; *src = *dst; *dst = tmp;	3197	SV *tmp = *src; *src = *dst; *dst = tmp;
2857	}	3198	}
2858		3199
		3200	void
		3201	cancel (Coro::State self)
		3202	CODE:
		3203	coro_state_destroy (aTHX_ self);
		3204	coro_call_on_destroy (aTHX_ self); /* actually only for Coro objects */
		3205
2859		3206
2860	MODULE = Coro::State PACKAGE = Coro	3207	MODULE = Coro::State PACKAGE = Coro
2861		3208
2862	BOOT:	3209	BOOT:
2863	{	3210	{
2864	int i;	3211	int i;
2865		3212
2866	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
2867	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);	3213	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
2868	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);	3214	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
2869		3215	cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD);
		3216	cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD);
2870	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);	3217	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);
2871	SvREADONLY_on (coro_current);	3218	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
		3219	av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE);
		3220	sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE);
		3221	sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE);
		3222
		3223	sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle);
		3224	sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro);
		3225	cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler);
		3226	cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new);
2872		3227
2873	coro_stash = gv_stashpv ("Coro", TRUE);	3228	coro_stash = gv_stashpv ("Coro", TRUE);
2874		3229
2875	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	3230	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
2876	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	3231	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
…		…
2884		3239
2885	{	3240	{
2886	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);	3241	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);
2887		3242
2888	coroapi.schedule = api_schedule;	3243	coroapi.schedule = api_schedule;
		3244	coroapi.schedule_to = api_schedule_to;
2889	coroapi.cede = api_cede;	3245	coroapi.cede = api_cede;
2890	coroapi.cede_notself = api_cede_notself;	3246	coroapi.cede_notself = api_cede_notself;
2891	coroapi.ready = api_ready;	3247	coroapi.ready = api_ready;
2892	coroapi.is_ready = api_is_ready;	3248	coroapi.is_ready = api_is_ready;
2893	coroapi.nready = coro_nready;	3249	coroapi.nready = coro_nready;
…		…
2898	SvREADONLY_on (sv);	3254	SvREADONLY_on (sv);
2899	}	3255	}
2900	}	3256	}
2901		3257
2902	void	3258	void
		3259	terminate (...)
		3260	CODE:
		3261	CORO_EXECUTE_SLF_XS (slf_init_terminate);
		3262
		3263	void
2903	schedule (...)	3264	schedule (...)
2904	CODE:	3265	CODE:
2905	CORO_EXECUTE_SLF_XS (slf_init_schedule);	3266	CORO_EXECUTE_SLF_XS (slf_init_schedule);
		3267
		3268	void
		3269	schedule_to (...)
		3270	CODE:
		3271	CORO_EXECUTE_SLF_XS (slf_init_schedule_to);
		3272
		3273	void
		3274	cede_to (...)
		3275	CODE:
		3276	CORO_EXECUTE_SLF_XS (slf_init_cede_to);
2906		3277
2907	void	3278	void
2908	cede (...)	3279	cede (...)
2909	CODE:	3280	CODE:
2910	CORO_EXECUTE_SLF_XS (slf_init_cede);	3281	CORO_EXECUTE_SLF_XS (slf_init_cede);
…		…
2965	CODE:	3336	CODE:
2966	RETVAL = coro_nready;	3337	RETVAL = coro_nready;
2967	OUTPUT:	3338	OUTPUT:
2968	RETVAL	3339	RETVAL
2969		3340
2970	# for async_pool speedup
2971	void	3341	void
2972	_pool_1 (SV *cb)	3342	suspend (Coro::State self)
		3343	PROTOTYPE: $
2973	CODE:	3344	CODE:
2974	{	3345	self->flags |= CF_SUSPENDED;
2975	HV *hv = (HV *)SvRV (coro_current);
2976	struct coro *coro = SvSTATE_hv ((SV *)hv);
2977	AV *defav = GvAV (PL_defgv);
2978	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
2979	AV *invoke_av;
2980	int i, len;
2981		3346
2982	if (!invoke)	3347	void
		3348	resume (Coro::State self)
		3349	PROTOTYPE: $
		3350	CODE:
		3351	self->flags &= ~CF_SUSPENDED;
		3352
		3353	void
		3354	_pool_handler (...)
		3355	CODE:
		3356	CORO_EXECUTE_SLF_XS (slf_init_pool_handler);
		3357
		3358	void
		3359	async_pool (SV *cv, ...)
		3360	PROTOTYPE: &@
		3361	PPCODE:
		3362	{
		3363	HV *hv = (HV *)av_pop (av_async_pool);
		3364	AV *av = newAV ();
		3365	SV *cb = ST (0);
		3366	int i;
		3367
		3368	av_extend (av, items - 2);
		3369	for (i = 1; i < items; ++i)
		3370	av_push (av, SvREFCNT_inc_NN (ST (i)));
		3371
		3372	if ((SV *)hv == &PL_sv_undef)
2983	{	3373	{
2984	SV *old = PL_diehook;	3374	PUSHMARK (SP);
2985	PL_diehook = 0;	3375	EXTEND (SP, 2);
2986	SvREFCNT_dec (old);	3376	PUSHs (sv_Coro);
2987	croak ("\3async_pool terminate\2\n");	3377	PUSHs ((SV *)cv_pool_handler);
		3378	PUTBACK;
		3379	call_sv ((SV *)cv_coro_state_new, G_SCALAR);
		3380	SPAGAIN;
		3381
		3382	hv = (HV *)SvREFCNT_inc_NN (SvRV (POPs));
2988	}	3383	}
2989		3384
2990	SvREFCNT_dec (coro->saved_deffh);
2991	coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv);
2992
2993	hv_store (hv, "desc", sizeof ("desc") - 1,
2994	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
2995
2996	invoke_av = (AV *)SvRV (invoke);
2997	len = av_len (invoke_av);
2998
2999	sv_setsv (cb, AvARRAY (invoke_av)[0]);
3000
3001	if (len > 0)
3002	{	3385	{
3003	av_fill (defav, len - 1);	3386	struct coro *coro = SvSTATE_hv (hv);
3004	for (i = 0; i < len; ++i)	3387
3005	av_store (defav, i, SvREFCNT_inc_NN (AvARRAY (invoke_av)[i + 1]));	3388	assert (!coro->invoke_cb);
		3389	assert (!coro->invoke_av);
		3390	coro->invoke_cb = SvREFCNT_inc (cb);
		3391	coro->invoke_av = av;
3006	}	3392	}
3007	}
3008		3393
3009	void	3394	api_ready (aTHX_ (SV *)hv);
3010	_pool_2 (SV *cb)
3011	CODE:
3012	{
3013	HV *hv = (HV *)SvRV (coro_current);
3014	struct coro *coro = SvSTATE_hv ((SV *)hv);
3015		3395
3016	sv_setsv (cb, &PL_sv_undef);	3396	if (GIMME_V != G_VOID)
3017		3397	XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv)));
3018	SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh;	3398	else
3019	coro->saved_deffh = 0;
3020
3021	if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss)
3022	|| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
3023	{
3024	SV *old = PL_diehook;
3025	PL_diehook = 0;
3026	SvREFCNT_dec (old);	3399	SvREFCNT_dec (hv);
3027	croak ("\3async_pool terminate\2\n");
3028	}
3029
3030	av_clear (GvAV (PL_defgv));
3031	hv_store (hv, "desc", sizeof ("desc") - 1,
3032	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
3033
3034	coro->prio = 0;
3035
3036	if (coro->cctx && (coro->cctx->flags & CC_TRACE))
3037	api_trace (aTHX_ coro_current, 0);
3038
3039	av_push (av_async_pool, newSVsv (coro_current));
3040	}	3400	}
3041		3401
3042	SV *	3402	SV *
3043	rouse_cb ()	3403	rouse_cb ()
3044	PROTOTYPE:	3404	PROTOTYPE:
…		…
3050	void	3410	void
3051	rouse_wait (...)	3411	rouse_wait (...)
3052	PROTOTYPE: ;$	3412	PROTOTYPE: ;$
3053	PPCODE:	3413	PPCODE:
3054	CORO_EXECUTE_SLF_XS (slf_init_rouse_wait);	3414	CORO_EXECUTE_SLF_XS (slf_init_rouse_wait);
		3415
		3416	void
		3417	on_enter (SV *block)
		3418	ALIAS:
		3419	on_leave = 1
		3420	PROTOTYPE: &
		3421	CODE:
		3422	{
		3423	struct coro *coro = SvSTATE_current;
		3424	AV **avp = ix ? &coro->on_leave : &coro->on_enter;
		3425
		3426	block = (SV *)coro_sv_2cv (aTHX_ block);
		3427
		3428	if (!*avp)
		3429	*avp = newAV ();
		3430
		3431	av_push (*avp, SvREFCNT_inc (block));
		3432
		3433	if (!ix)
		3434	on_enterleave_call (aTHX_ block);
		3435
		3436	LEAVE; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */
		3437	SAVEDESTRUCTOR_X (ix ? coro_pop_on_leave : coro_pop_on_enter, (void *)coro);
		3438	ENTER; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */
		3439	}
3055		3440
3056		3441
3057	MODULE = Coro::State PACKAGE = PerlIO::cede	3442	MODULE = Coro::State PACKAGE = PerlIO::cede
3058		3443
3059	BOOT:	3444	BOOT:
…		…
3070	GvSTASH (CvGV (cv))	3455	GvSTASH (CvGV (cv))
3071	);	3456	);
3072	OUTPUT:	3457	OUTPUT:
3073	RETVAL	3458	RETVAL
3074		3459
3075	# helper for Coro::Channel	3460	# helper for Coro::Channel and others
3076	SV *	3461	SV *
3077	_alloc (int count)	3462	_alloc (int count)
3078	CODE:	3463	CODE:
3079	RETVAL = coro_waitarray_new (aTHX_ count);	3464	RETVAL = coro_waitarray_new (aTHX_ count);
3080	OUTPUT:	3465	OUTPUT:
…		…
3138	for (i = 1; i <= wcount; ++i)	3523	for (i = 1; i <= wcount; ++i)
3139	PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i])));	3524	PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i])));
3140	}	3525	}
3141	}	3526	}
3142		3527
		3528	MODULE = Coro::State PACKAGE = Coro::SemaphoreSet
		3529
		3530	void
		3531	_may_delete (SV *sem, int count, int extra_refs)
		3532	PPCODE:
		3533	{
		3534	AV *av = (AV *)SvRV (sem);
		3535
		3536	if (SvREFCNT ((SV *)av) == 1 + extra_refs
		3537	&& AvFILLp (av) == 0 /* no waiters, just count */
		3538	&& SvIV (AvARRAY (av)[0]) == count)
		3539	XSRETURN_YES;
		3540
		3541	XSRETURN_NO;
		3542	}
		3543
3143	MODULE = Coro::State PACKAGE = Coro::Signal	3544	MODULE = Coro::State PACKAGE = Coro::Signal
3144		3545
3145	SV *	3546	SV *
3146	new (SV *klass)	3547	new (SV *klass)
3147	CODE:	3548	CODE:
…		…
3218		3619
3219	void	3620	void
3220	_register (char *target, char *proto, SV *req)	3621	_register (char *target, char *proto, SV *req)
3221	CODE:	3622	CODE:
3222	{	3623	{
3223	CV *req_cv = coro_sv_2cv (req);	3624	CV *req_cv = coro_sv_2cv (aTHX_ req);
3224	/* newXSproto doesn't return the CV on 5.8 */	3625	/* newXSproto doesn't return the CV on 5.8 */
3225	CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__);	3626	CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__);
3226	sv_setpv ((SV *)slf_cv, proto);	3627	sv_setpv ((SV *)slf_cv, proto);
3227	sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0);	3628	sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0);
3228	}	3629	}

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