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/cvs/Coro/Coro/State.xs

Comparing Coro/Coro/State.xs (file contents):
Revision 1.310 by root, Wed Nov 19 16:01:32 2008 UTC vs.
Revision 1.334 by root, Fri Nov 28 23:30:55 2008 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 */
…		…
229	{	247	{
230	SV *defsv;	248	SV *defsv;
231	AV *defav;	249	AV *defav;
232	SV *errsv;	250	SV *errsv;
233	SV *irsgv;	251	SV *irsgv;
		252	HV *hinthv;
234	#define VAR(name,type) type name;	253	#define VAR(name,type) type name;
235	# include "state.h"	254	# include "state.h"
236	#undef VAR	255	#undef VAR
237	} perl_slots;	256	} perl_slots;
238		257
…		…
263	SV *except; /* exception to be thrown */	282	SV *except; /* exception to be thrown */
264	SV *rouse_cb;	283	SV *rouse_cb;
265		284
266	/* async_pool */	285	/* async_pool */
267	SV *saved_deffh;	286	SV *saved_deffh;
		287	SV *invoke_cb;
		288	AV *invoke_av;
268		289
269	/* linked list */	290	/* linked list */
270	struct coro *next, *prev;	291	struct coro *next, *prev;
271	};	292	};
272		293
…		…
289		310
290	/* for Coro.pm */	311	/* for Coro.pm */
291	static SV *coro_current;	312	static SV *coro_current;
292	static SV *coro_readyhook;	313	static SV *coro_readyhook;
293	static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1];	314	static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1];
294	static CV *cv_coro_run;	315	static CV *cv_coro_run, *cv_coro_terminate;
295	static struct coro *coro_first;	316	static struct coro *coro_first;
296	#define coro_nready coroapi.nready	317	#define coro_nready coroapi.nready
297		318
298	/** lowlevel stuff **********************************************************/	319	/** lowlevel stuff **********************************************************/
299		320
…		…
327	return get_hv (name, create);	348	return get_hv (name, create);
328	}	349	}
329		350
330	/* may croak */	351	/* may croak */
331	INLINE CV *	352	INLINE CV *
332	coro_sv_2cv (SV *sv)	353	coro_sv_2cv (pTHX_ SV *sv)
333	{	354	{
334	HV *st;	355	HV *st;
335	GV *gvp;	356	GV *gvp;
336	return sv_2cv (sv, &st, &gvp, 0);	357	return sv_2cv (sv, &st, &gvp, 0);
337	}	358	}
338		359
		360	/*****************************************************************************/
		361	/* magic glue */
		362
		363	#define CORO_MAGIC_type_cv 26
		364	#define CORO_MAGIC_type_state PERL_MAGIC_ext
		365
		366	#define CORO_MAGIC_NN(sv, type) \
		367	(expect_true (SvMAGIC (sv)->mg_type == type) \
		368	? SvMAGIC (sv) \
		369	: mg_find (sv, type))
		370
		371	#define CORO_MAGIC(sv, type) \
		372	(expect_true (SvMAGIC (sv)) \
		373	? CORO_MAGIC_NN (sv, type) \
		374	: 0)
		375
		376	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
		377	#define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state)
		378
		379	INLINE struct coro *
		380	SvSTATE_ (pTHX_ SV *coro)
		381	{
		382	HV *stash;
		383	MAGIC *mg;
		384
		385	if (SvROK (coro))
		386	coro = SvRV (coro);
		387
		388	if (expect_false (SvTYPE (coro) != SVt_PVHV))
		389	croak ("Coro::State object required");
		390
		391	stash = SvSTASH (coro);
		392	if (expect_false (stash != coro_stash && stash != coro_state_stash))
		393	{
		394	/* very slow, but rare, check */
		395	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
		396	croak ("Coro::State object required");
		397	}
		398
		399	mg = CORO_MAGIC_state (coro);
		400	return (struct coro *)mg->mg_ptr;
		401	}
		402
		403	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
		404
		405	/* faster than SvSTATE, but expects a coroutine hv */
		406	#define SvSTATE_hv(hv) ((struct coro *)CORO_MAGIC_NN ((SV *)hv, CORO_MAGIC_type_state)->mg_ptr)
		407	#define SvSTATE_current SvSTATE_hv (SvRV (coro_current))
		408
		409	/*****************************************************************************/
		410	/* padlist management and caching */
		411
339	static AV *	412	static AV *
340	coro_clone_padlist (pTHX_ CV *cv)	413	coro_derive_padlist (pTHX_ CV *cv)
341	{	414	{
342	AV *padlist = CvPADLIST (cv);	415	AV *padlist = CvPADLIST (cv);
343	AV *newpadlist, *newpad;	416	AV *newpadlist, *newpad;
344		417
345	newpadlist = newAV ();	418	newpadlist = newAV ();
…		…
350	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);	423	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
351	#endif	424	#endif
352	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];	425	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
353	--AvFILLp (padlist);	426	--AvFILLp (padlist);
354		427
355	av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE)));	428	av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0]));
356	av_store (newpadlist, 1, (SV *)newpad);	429	av_store (newpadlist, 1, (SV *)newpad);
357		430
358	return newpadlist;	431	return newpadlist;
359	}	432	}
360		433
361	static void	434	static void
362	free_padlist (pTHX_ AV *padlist)	435	free_padlist (pTHX_ AV *padlist)
363	{	436	{
364	/* may be during global destruction */	437	/* may be during global destruction */
365	if (SvREFCNT (padlist))	438	if (!IN_DESTRUCT)
366	{	439	{
367	I32 i = AvFILLp (padlist);	440	I32 i = AvFILLp (padlist);
368	while (i >= 0)	441
		442	while (i > 0) /* special-case index 0 */
369	{	443	{
370	SV **svp = av_fetch (padlist, i--, FALSE);	444	/* we try to be extra-careful here */
371	if (svp)	445	AV *av = (AV *)AvARRAY (padlist)[i--];
372	{	446	I32 j = AvFILLp (av);
373	SV *sv;	447
374	while (&PL_sv_undef != (sv = av_pop ((AV *)*svp)))	448	while (j >= 0)
		449	SvREFCNT_dec (AvARRAY (av)[j--]);
		450
		451	AvFILLp (av) = -1;
375	SvREFCNT_dec (sv);	452	SvREFCNT_dec (av);
376
377	SvREFCNT_dec (*svp);
378	}
379	}	453	}
380		454
		455	SvREFCNT_dec (AvARRAY (padlist)[0]);
		456
		457	AvFILLp (padlist) = -1;
381	SvREFCNT_dec ((SV*)padlist);	458	SvREFCNT_dec ((SV*)padlist);
382	}	459	}
383	}	460	}
384		461
385	static int	462	static int
…		…
394		471
395	SvREFCNT_dec (av); /* sv_magicext increased the refcount */	472	SvREFCNT_dec (av); /* sv_magicext increased the refcount */
396		473
397	return 0;	474	return 0;
398	}	475	}
399
400	#define CORO_MAGIC_type_cv 26
401	#define CORO_MAGIC_type_state PERL_MAGIC_ext
402		476
403	static MGVTBL coro_cv_vtbl = {	477	static MGVTBL coro_cv_vtbl = {
404	0, 0, 0, 0,	478	0, 0, 0, 0,
405	coro_cv_free	479	coro_cv_free
406	};	480	};
407
408	#define CORO_MAGIC_NN(sv, type) \
409	(expect_true (SvMAGIC (sv)->mg_type == type) \
410	? SvMAGIC (sv) \
411	: mg_find (sv, type))
412
413	#define CORO_MAGIC(sv, type) \
414	(expect_true (SvMAGIC (sv)) \
415	? CORO_MAGIC_NN (sv, type) \
416	: 0)
417
418	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
419	#define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state)
420
421	INLINE struct coro *
422	SvSTATE_ (pTHX_ SV *coro)
423	{
424	HV *stash;
425	MAGIC *mg;
426
427	if (SvROK (coro))
428	coro = SvRV (coro);
429
430	if (expect_false (SvTYPE (coro) != SVt_PVHV))
431	croak ("Coro::State object required");
432
433	stash = SvSTASH (coro);
434	if (expect_false (stash != coro_stash && stash != coro_state_stash))
435	{
436	/* very slow, but rare, check */
437	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
438	croak ("Coro::State object required");
439	}
440
441	mg = CORO_MAGIC_state (coro);
442	return (struct coro *)mg->mg_ptr;
443	}
444
445	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
446
447	/* faster than SvSTATE, but expects a coroutine hv */
448	#define SvSTATE_hv(hv) ((struct coro *)CORO_MAGIC_NN ((SV *)hv, CORO_MAGIC_type_state)->mg_ptr)
449	#define SvSTATE_current SvSTATE_hv (SvRV (coro_current))
450		481
451	/* the next two functions merely cache the padlists */	482	/* the next two functions merely cache the padlists */
452	static void	483	static void
453	get_padlist (pTHX_ CV *cv)	484	get_padlist (pTHX_ CV *cv)
454	{	485	{
…		…
465	CV *cp = Perl_cv_clone (aTHX_ cv);	496	CV *cp = Perl_cv_clone (aTHX_ cv);
466	CvPADLIST (cv) = CvPADLIST (cp);	497	CvPADLIST (cv) = CvPADLIST (cp);
467	CvPADLIST (cp) = 0;	498	CvPADLIST (cp) = 0;
468	SvREFCNT_dec (cp);	499	SvREFCNT_dec (cp);
469	#else	500	#else
470	CvPADLIST (cv) = coro_clone_padlist (aTHX_ cv);	501	CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv);
471	#endif	502	#endif
472	}	503	}
473	}	504	}
474		505
475	static void	506	static void
…		…
482	mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);	513	mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);
483		514
484	av = (AV *)mg->mg_obj;	515	av = (AV *)mg->mg_obj;
485		516
486	if (expect_false (AvFILLp (av) >= AvMAX (av)))	517	if (expect_false (AvFILLp (av) >= AvMAX (av)))
487	av_extend (av, AvMAX (av) + 1);	518	av_extend (av, AvFILLp (av) + 1);
488		519
489	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);	520	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
490	}	521	}
491		522
492	/** load & save, init *******************************************************/	523	/** load & save, init *******************************************************/
…		…
497	perl_slots *slot = c->slot;	528	perl_slots *slot = c->slot;
498	c->slot = 0;	529	c->slot = 0;
499		530
500	PL_mainstack = c->mainstack;	531	PL_mainstack = c->mainstack;
501		532
502	GvSV (PL_defgv) = slot->defsv;	533	GvSV (PL_defgv) = slot->defsv;
503	GvAV (PL_defgv) = slot->defav;	534	GvAV (PL_defgv) = slot->defav;
504	GvSV (PL_errgv) = slot->errsv;	535	GvSV (PL_errgv) = slot->errsv;
505	GvSV (irsgv) = slot->irsgv;	536	GvSV (irsgv) = slot->irsgv;
		537	GvHV (PL_hintgv) = slot->hinthv;
506		538
507	#define VAR(name,type) PL_ ## name = slot->name;	539	#define VAR(name,type) PL_ ## name = slot->name;
508	# include "state.h"	540	# include "state.h"
509	#undef VAR	541	#undef VAR
510		542
…		…
596	c->mainstack = PL_mainstack;	628	c->mainstack = PL_mainstack;
597		629
598	{	630	{
599	perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1);	631	perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1);
600		632
601	slot->defav = GvAV (PL_defgv);	633	slot->defav = GvAV (PL_defgv);
602	slot->defsv = DEFSV;	634	slot->defsv = DEFSV;
603	slot->errsv = ERRSV;	635	slot->errsv = ERRSV;
604	slot->irsgv = GvSV (irsgv);	636	slot->irsgv = GvSV (irsgv);
		637	slot->hinthv = GvHV (PL_hintgv);
605		638
606	#define VAR(name,type) slot->name = PL_ ## name;	639	#define VAR(name,type) slot->name = PL_ ## name;
607	# include "state.h"	640	# include "state.h"
608	#undef VAR	641	#undef VAR
609	}	642	}
…		…
687	#if !PERL_VERSION_ATLEAST (5,10,0)	720	#if !PERL_VERSION_ATLEAST (5,10,0)
688	Safefree (PL_retstack);	721	Safefree (PL_retstack);
689	#endif	722	#endif
690	}	723	}
691		724
		725	#define CORO_RSS \
		726	rss += sizeof (SYM (curstackinfo)); \
		727	rss += (SYM (curstackinfo->si_cxmax) + 1) * sizeof (PERL_CONTEXT); \
		728	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (SYM (curstack))) * sizeof (SV *); \
		729	rss += SYM (tmps_max) * sizeof (SV *); \
		730	rss += (SYM (markstack_max) - SYM (markstack_ptr)) * sizeof (I32); \
		731	rss += SYM (scopestack_max) * sizeof (I32); \
		732	rss += SYM (savestack_max) * sizeof (ANY);
		733
692	static size_t	734	static size_t
693	coro_rss (pTHX_ struct coro *coro)	735	coro_rss (pTHX_ struct coro *coro)
694	{	736	{
695	size_t rss = sizeof (*coro);	737	size_t rss = sizeof (*coro);
696		738
697	if (coro->mainstack)	739	if (coro->mainstack)
698	{	740	{
699	perl_slots tmp_slot;
700	perl_slots *slot;
701
702	if (coro->flags & CF_RUNNING)	741	if (coro->flags & CF_RUNNING)
703	{	742	{
704	slot = &tmp_slot;	743	#define SYM(sym) PL_ ## sym
705		744	CORO_RSS;
706	#define VAR(name,type) slot->name = PL_ ## name;
707	# include "state.h"
708	#undef VAR	745	#undef SYM
709	}	746	}
710	else	747	else
711	slot = coro->slot;
712
713	if (slot)
714	{	748	{
715	rss += sizeof (slot->curstackinfo);	749	#define SYM(sym) coro->slot->sym
716	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);	750	CORO_RSS;
717	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);	751	#undef SYM
718	rss += slot->tmps_max * sizeof (SV *);
719	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
720	rss += slot->scopestack_max * sizeof (I32);
721	rss += slot->savestack_max * sizeof (ANY);
722
723	#if !PERL_VERSION_ATLEAST (5,10,0)
724	rss += slot->retstack_max * sizeof (OP *);
725	#endif
726	}	752	}
727	}	753	}
728		754
729	return rss;	755	return rss;
730	}	756	}
…		…
832	slf_check_nop (pTHX_ struct CoroSLF *frame)	858	slf_check_nop (pTHX_ struct CoroSLF *frame)
833	{	859	{
834	return 0;	860	return 0;
835	}	861	}
836		862
		863	static int
		864	slf_check_repeat (pTHX_ struct CoroSLF *frame)
		865	{
		866	return 1;
		867	}
		868
837	static UNOP coro_setup_op;	869	static UNOP coro_setup_op;
838		870
839	static void NOINLINE /* noinline to keep it out of the transfer fast path */	871	static void NOINLINE /* noinline to keep it out of the transfer fast path */
840	coro_setup (pTHX_ struct coro *coro)	872	coro_setup (pTHX_ struct coro *coro)
841	{	873	{
…		…
846		878
847	PL_runops = RUNOPS_DEFAULT;	879	PL_runops = RUNOPS_DEFAULT;
848	PL_curcop = &PL_compiling;	880	PL_curcop = &PL_compiling;
849	PL_in_eval = EVAL_NULL;	881	PL_in_eval = EVAL_NULL;
850	PL_comppad = 0;	882	PL_comppad = 0;
		883	PL_comppad_name = 0;
		884	PL_comppad_name_fill = 0;
		885	PL_comppad_name_floor = 0;
851	PL_curpm = 0;	886	PL_curpm = 0;
852	PL_curpad = 0;	887	PL_curpad = 0;
853	PL_localizing = 0;	888	PL_localizing = 0;
854	PL_dirty = 0;	889	PL_dirty = 0;
855	PL_restartop = 0;	890	PL_restartop = 0;
856	#if PERL_VERSION_ATLEAST (5,10,0)	891	#if PERL_VERSION_ATLEAST (5,10,0)
857	PL_parser = 0;	892	PL_parser = 0;
858	#endif	893	#endif
		894	PL_hints = 0;
859		895
860	/* recreate the die/warn hooks */	896	/* recreate the die/warn hooks */
861	PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook );	897	PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook );
862	PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook);	898	PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook);
863		899
864	GvSV (PL_defgv) = newSV (0);	900	GvSV (PL_defgv) = newSV (0);
865	GvAV (PL_defgv) = coro->args; coro->args = 0;	901	GvAV (PL_defgv) = coro->args; coro->args = 0;
866	GvSV (PL_errgv) = newSV (0);	902	GvSV (PL_errgv) = newSV (0);
867	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);	903	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
		904	GvHV (PL_hintgv) = 0;
868	PL_rs = newSVsv (GvSV (irsgv));	905	PL_rs = newSVsv (GvSV (irsgv));
869	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);	906	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);
870		907
871	{	908	{
872	dSP;	909	dSP;
…		…
890	slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */	927	slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */
891	slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */	928	slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */
892		929
893	/* and we have to provide the pp_slf op in any case, so pp_slf can skip it */	930	/* and we have to provide the pp_slf op in any case, so pp_slf can skip it */
894	coro_setup_op.op_next = PL_op;	931	coro_setup_op.op_next = PL_op;
895	coro_setup_op.op_type = OP_CUSTOM;	932	coro_setup_op.op_type = OP_ENTERSUB;
896	coro_setup_op.op_ppaddr = pp_slf;	933	coro_setup_op.op_ppaddr = pp_slf;
897	/* no flags etc. required, as an init function won't be called */	934	/* no flags etc. required, as an init function won't be called */
898		935
899	PL_op = (OP *)&coro_setup_op;	936	PL_op = (OP *)&coro_setup_op;
900		937
901	/* copy throw, in case it was set before coro_setup */	938	/* copy throw, in case it was set before coro_setup */
902	CORO_THROW = coro->except;	939	CORO_THROW = coro->except;
903	}	940	}
904		941
905	static void	942	static void
906	coro_destruct (pTHX_ struct coro *coro)	943	coro_destruct_perl (pTHX_ struct coro *coro)
907	{	944	{
908	if (!IN_DESTRUCT)	945	if (!IN_DESTRUCT)
909	{	946	{
910	/* restore all saved variables and stuff */	947	/* restore all saved variables and stuff */
911	LEAVE_SCOPE (0);	948	LEAVE_SCOPE (0);
…		…
926	SvREFCNT_dec (GvAV (PL_defgv));	963	SvREFCNT_dec (GvAV (PL_defgv));
927	SvREFCNT_dec (GvSV (PL_errgv));	964	SvREFCNT_dec (GvSV (PL_errgv));
928	SvREFCNT_dec (PL_defoutgv);	965	SvREFCNT_dec (PL_defoutgv);
929	SvREFCNT_dec (PL_rs);	966	SvREFCNT_dec (PL_rs);
930	SvREFCNT_dec (GvSV (irsgv));	967	SvREFCNT_dec (GvSV (irsgv));
		968	SvREFCNT_dec (GvHV (PL_hintgv));
931		969
932	SvREFCNT_dec (PL_diehook);	970	SvREFCNT_dec (PL_diehook);
933	SvREFCNT_dec (PL_warnhook);	971	SvREFCNT_dec (PL_warnhook);
934		972
935	SvREFCNT_dec (coro->saved_deffh);	973	SvREFCNT_dec (coro->saved_deffh);
936	SvREFCNT_dec (coro->rouse_cb);	974	SvREFCNT_dec (coro->rouse_cb);
		975	SvREFCNT_dec (coro->invoke_cb);
		976	SvREFCNT_dec (coro->invoke_av);
937		977
938	coro_destruct_stacks (aTHX);	978	coro_destruct_stacks (aTHX);
939	}	979	}
940		980
941	INLINE void	981	INLINE void
…		…
951	static int	991	static int
952	runops_trace (pTHX)	992	runops_trace (pTHX)
953	{	993	{
954	COP *oldcop = 0;	994	COP *oldcop = 0;
955	int oldcxix = -2;	995	int oldcxix = -2;
956	struct coro *coro = SvSTATE_current; /* trace cctx is tied to specific coro */
957	coro_cctx *cctx = coro->cctx;
958		996
959	while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))	997	while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))
960	{	998	{
961	PERL_ASYNC_CHECK ();	999	PERL_ASYNC_CHECK ();
962		1000
963	if (cctx->flags & CC_TRACE_ALL)	1001	if (cctx_current->flags & CC_TRACE_ALL)
964	{	1002	{
965	if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB)	1003	if (PL_op->op_type == OP_LEAVESUB && cctx_current->flags & CC_TRACE_SUB)
966	{	1004	{
967	PERL_CONTEXT *cx = &cxstack[cxstack_ix];	1005	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
968	SV **bot, **top;	1006	SV **bot, **top;
969	AV *av = newAV (); /* return values */	1007	AV *av = newAV (); /* return values */
970	SV **cb;	1008	SV **cb;
…		…
1007		1045
1008	if (PL_curcop != &PL_compiling)	1046	if (PL_curcop != &PL_compiling)
1009	{	1047	{
1010	SV **cb;	1048	SV **cb;
1011		1049
1012	if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB)	1050	if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB)
1013	{	1051	{
1014	PERL_CONTEXT *cx = &cxstack[cxstack_ix];	1052	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
1015		1053
1016	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)	1054	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)
1017	{	1055	{
1018	runops_proc_t old_runops = PL_runops;
1019	dSP;	1056	dSP;
1020	GV *gv = CvGV (cx->blk_sub.cv);	1057	GV *gv = CvGV (cx->blk_sub.cv);
1021	SV *fullname = sv_2mortal (newSV (0));	1058	SV *fullname = sv_2mortal (newSV (0));
1022		1059
1023	if (isGV (gv))	1060	if (isGV (gv))
…		…
1041	}	1078	}
1042		1079
1043	oldcxix = cxstack_ix;	1080	oldcxix = cxstack_ix;
1044	}	1081	}
1045		1082
1046	if (cctx->flags & CC_TRACE_LINE)	1083	if (cctx_current->flags & CC_TRACE_LINE)
1047	{	1084	{
1048	dSP;	1085	dSP;
1049		1086
1050	PL_runops = RUNOPS_DEFAULT;	1087	PL_runops = RUNOPS_DEFAULT;
1051	ENTER;	1088	ENTER;
…		…
1070		1107
1071	TAINT_NOT;	1108	TAINT_NOT;
1072	return 0;	1109	return 0;
1073	}	1110	}
1074		1111
1075	static struct coro_cctx *cctx_ssl_cctx;
1076	static struct CoroSLF cctx_ssl_frame;	1112	static struct CoroSLF cctx_ssl_frame;
1077		1113
1078	static void	1114	static void
1079	slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta)	1115	slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta)
1080	{	1116	{
1081	ta->prev = (struct coro *)cctx_ssl_cctx;
1082	ta->next = 0;	1117	ta->prev = 0;
1083	}	1118	}
1084		1119
1085	static int	1120	static int
1086	slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame)	1121	slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame)
1087	{	1122	{
…		…
1090	return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */	1125	return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */
1091	}	1126	}
1092		1127
1093	/* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */	1128	/* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */
1094	static void NOINLINE	1129	static void NOINLINE
1095	cctx_prepare (pTHX_ coro_cctx *cctx)	1130	cctx_prepare (pTHX)
1096	{	1131	{
1097	PL_top_env = &PL_start_env;	1132	PL_top_env = &PL_start_env;
1098		1133
1099	if (cctx->flags & CC_TRACE)	1134	if (cctx_current->flags & CC_TRACE)
1100	PL_runops = runops_trace;	1135	PL_runops = runops_trace;
1101		1136
1102	/* we already must be executing an SLF op, there is no other valid way	1137	/* we already must be executing an SLF op, there is no other valid way
1103	* that can lead to creation of a new cctx */	1138	* that can lead to creation of a new cctx */
1104	assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)",	1139	assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)",
1105	slf_frame.prepare && PL_op->op_ppaddr == pp_slf));	1140	slf_frame.prepare && PL_op->op_ppaddr == pp_slf));
1106		1141
1107	/* we must emulate leaving pp_slf, which is done inside slf_check_set_stacklevel */	1142	/* we must emulate leaving pp_slf, which is done inside slf_check_set_stacklevel */
1108	cctx_ssl_cctx = cctx;
1109	cctx_ssl_frame = slf_frame;	1143	cctx_ssl_frame = slf_frame;
1110		1144
1111	slf_frame.prepare = slf_prepare_set_stacklevel;	1145	slf_frame.prepare = slf_prepare_set_stacklevel;
1112	slf_frame.check = slf_check_set_stacklevel;	1146	slf_frame.check = slf_check_set_stacklevel;
1113	}	1147	}
…		…
1136	/* normally we would need to skip the entersub here */	1170	/* normally we would need to skip the entersub here */
1137	/* not doing so will re-execute it, which is exactly what we want */	1171	/* not doing so will re-execute it, which is exactly what we want */
1138	/* PL_nop = PL_nop->op_next */	1172	/* PL_nop = PL_nop->op_next */
1139		1173
1140	/* inject a fake subroutine call to cctx_init */	1174	/* inject a fake subroutine call to cctx_init */
1141	cctx_prepare (aTHX_ (coro_cctx *)arg);	1175	cctx_prepare (aTHX);
1142		1176
1143	/* cctx_run is the alternative tail of transfer() */	1177	/* cctx_run is the alternative tail of transfer() */
1144	transfer_tail (aTHX);	1178	transfer_tail (aTHX);
1145		1179
1146	/* somebody or something will hit me for both perl_run and PL_restartop */	1180	/* somebody or something will hit me for both perl_run and PL_restartop */
…		…
1154	/*	1188	/*
1155	* If perl-run returns we assume exit() was being called or the coro	1189	* If perl-run returns we assume exit() was being called or the coro
1156	* fell off the end, which seems to be the only valid (non-bug)	1190	* fell off the end, which seems to be the only valid (non-bug)
1157	* reason for perl_run to return. We try to exit by jumping to the	1191	* reason for perl_run to return. We try to exit by jumping to the
1158	* bootstrap-time "top" top_env, as we cannot restore the "main"	1192	* bootstrap-time "top" top_env, as we cannot restore the "main"
1159	* coroutine as Coro has no such concept	1193	* coroutine as Coro has no such concept.
		1194	* This actually isn't valid with the pthread backend, but OSes requiring
		1195	* that backend are too broken to do it in a standards-compliant way.
1160	*/	1196	*/
1161	PL_top_env = main_top_env;	1197	PL_top_env = main_top_env;
1162	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */	1198	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */
1163	}	1199	}
1164	}	1200	}
…		…
1241	cctx_destroy (coro_cctx *cctx)	1277	cctx_destroy (coro_cctx *cctx)
1242	{	1278	{
1243	if (!cctx)	1279	if (!cctx)
1244	return;	1280	return;
1245		1281
		1282	assert (cctx != cctx_current);//D temporary
		1283
1246	--cctx_count;	1284	--cctx_count;
1247	coro_destroy (&cctx->cctx);	1285	coro_destroy (&cctx->cctx);
1248		1286
1249	/* coro_transfer creates new, empty cctx's */	1287	/* coro_transfer creates new, empty cctx's */
1250	if (cctx->sptr)	1288	if (cctx->sptr)
…		…
1313	/* TODO: throwing up here is considered harmful */	1351	/* TODO: throwing up here is considered harmful */
1314		1352
1315	if (expect_true (prev != next))	1353	if (expect_true (prev != next))
1316	{	1354	{
1317	if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW))))	1355	if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW))))
1318	croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states,");	1356	croak ("Coro::State::transfer called with a suspended prev Coro::State, but can only transfer from running or new states,");
1319		1357
1320	if (expect_false (next->flags & CF_RUNNING))	1358	if (expect_false (next->flags & CF_RUNNING))
1321	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states,");	1359	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states,");
1322		1360
1323	if (expect_false (next->flags & CF_DESTROYED))	1361	if (expect_false (next->flags & CF_DESTROYED))
…		…
1335	transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx)	1373	transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx)
1336	{	1374	{
1337	dSTACKLEVEL;	1375	dSTACKLEVEL;
1338		1376
1339	/* sometimes transfer is only called to set idle_sp */	1377	/* sometimes transfer is only called to set idle_sp */
1340	if (expect_false (!next))	1378	if (expect_false (!prev))
1341	{	1379	{
1342	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1380	cctx_current->idle_sp = STACKLEVEL;
1343	assert (((coro_cctx *)prev)->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */	1381	assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */
1344	}	1382	}
1345	else if (expect_true (prev != next))	1383	else if (expect_true (prev != next))
1346	{	1384	{
1347	coro_cctx *prev__cctx;	1385	coro_cctx *cctx_prev;
1348		1386
1349	if (expect_false (prev->flags & CF_NEW))	1387	if (expect_false (prev->flags & CF_NEW))
1350	{	1388	{
1351	/* create a new empty/source context */	1389	/* create a new empty/source context */
1352	prev->cctx = cctx_new_empty ();
1353	prev->flags &= ~CF_NEW;	1390	prev->flags &= ~CF_NEW;
1354	prev->flags |= CF_RUNNING;	1391	prev->flags |= CF_RUNNING;
1355	}	1392	}
1356		1393
1357	prev->flags &= ~CF_RUNNING;	1394	prev->flags &= ~CF_RUNNING;
…		…
1368	coro_setup (aTHX_ next);	1405	coro_setup (aTHX_ next);
1369	}	1406	}
1370	else	1407	else
1371	load_perl (aTHX_ next);	1408	load_perl (aTHX_ next);
1372		1409
1373	prev__cctx = prev->cctx;	1410	assert (!prev->cctx);//D temporary
1374		1411
1375	/* possibly untie and reuse the cctx */	1412	/* possibly untie and reuse the cctx */
1376	if (expect_true (	1413	if (expect_true (
1377	prev__cctx->idle_sp == STACKLEVEL	1414	cctx_current->idle_sp == STACKLEVEL
1378	&& !(prev__cctx->flags & CC_TRACE)	1415	&& !(cctx_current->flags & CC_TRACE)
1379	&& !force_cctx	1416	&& !force_cctx
1380	))	1417	))
1381	{	1418	{
1382	/* I assume that stacklevel is a stronger indicator than PL_top_env changes */	1419	/* I assume that stacklevel is a stronger indicator than PL_top_env changes */
1383	assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == prev__cctx->idle_te));	1420	assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te));
1384		1421
1385	prev->cctx = 0;
1386
1387	/* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */	1422	/* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */
1388	/* without this the next cctx_get might destroy the prev__cctx while still in use */	1423	/* without this the next cctx_get might destroy the running cctx while still in use */
1389	if (expect_false (CCTX_EXPIRED (prev__cctx)))	1424	if (expect_false (CCTX_EXPIRED (cctx_current)))
1390	if (!next->cctx)	1425	if (expect_true (!next->cctx))
1391	next->cctx = cctx_get (aTHX);	1426	next->cctx = cctx_get (aTHX);
1392		1427
1393	cctx_put (prev__cctx);	1428	cctx_put (cctx_current);
1394	}	1429	}
		1430	else
		1431	prev->cctx = cctx_current;
1395		1432
1396	++next->usecount;	1433	++next->usecount;
1397		1434
1398	if (expect_true (!next->cctx))	1435	cctx_prev = cctx_current;
1399	next->cctx = cctx_get (aTHX);	1436	cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX);
1400		1437
1401	if (expect_false (prev__cctx != next->cctx))	1438	next->cctx = 0;
		1439
		1440	if (expect_false (cctx_prev != cctx_current))
1402	{	1441	{
1403	prev__cctx->top_env = PL_top_env;	1442	cctx_prev->top_env = PL_top_env;
1404	PL_top_env = next->cctx->top_env;	1443	PL_top_env = cctx_current->top_env;
1405	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);	1444	coro_transfer (&cctx_prev->cctx, &cctx_current->cctx);
1406	}	1445	}
1407		1446
1408	transfer_tail (aTHX);	1447	transfer_tail (aTHX);
1409	}	1448	}
1410	}	1449	}
…		…
1432	--coro_nready;	1471	--coro_nready;
1433	}	1472	}
1434	else	1473	else
1435	coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */	1474	coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */
1436		1475
1437	if (coro->mainstack && coro->mainstack != main_mainstack)	1476	if (coro->mainstack
		1477	&& coro->mainstack != main_mainstack
		1478	&& !PL_dirty)
1438	{	1479	{
1439	struct coro temp;	1480	struct coro temp;
1440		1481
1441	assert (("FATAL: tried to destroy currently running coroutine (please report)", !(coro->flags & CF_RUNNING)));	1482	assert (("FATAL: tried to destroy currently running coroutine (please report)", !(coro->flags & CF_RUNNING)));
1442		1483
1443	save_perl (aTHX_ &temp);	1484	save_perl (aTHX_ &temp);
1444	load_perl (aTHX_ coro);	1485	load_perl (aTHX_ coro);
1445		1486
1446	coro_destruct (aTHX_ coro);	1487	coro_destruct_perl (aTHX_ coro);
1447		1488
1448	load_perl (aTHX_ &temp);	1489	load_perl (aTHX_ &temp);
1449		1490
1450	coro->slot = 0;	1491	coro->slot = 0;
1451	}	1492	}
…		…
1565	{	1606	{
1566	struct coro *coro;	1607	struct coro *coro;
1567	SV *sv_hook;	1608	SV *sv_hook;
1568	void (*xs_hook)(void);	1609	void (*xs_hook)(void);
1569		1610
1570	if (SvROK (coro_sv))
1571	coro_sv = SvRV (coro_sv);
1572
1573	coro = SvSTATE (coro_sv);	1611	coro = SvSTATE (coro_sv);
1574		1612
1575	if (coro->flags & CF_READY)	1613	if (coro->flags & CF_READY)
1576	return 0;	1614	return 0;
1577		1615
…		…
1608	api_is_ready (pTHX_ SV *coro_sv)	1646	api_is_ready (pTHX_ SV *coro_sv)
1609	{	1647	{
1610	return !!(SvSTATE (coro_sv)->flags & CF_READY);	1648	return !!(SvSTATE (coro_sv)->flags & CF_READY);
1611	}	1649	}
1612		1650
		1651	/* expects to own a reference to next->hv */
1613	INLINE void	1652	INLINE void
1614	prepare_schedule (pTHX_ struct coro_transfer_args *ta)	1653	prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next)
1615	{	1654	{
1616	SV *prev_sv, *next_sv;
1617
1618	for (;;)
1619	{
1620	next_sv = coro_deq (aTHX);
1621
1622	/* nothing to schedule: call the idle handler */
1623	if (expect_false (!next_sv))
1624	{
1625	dSP;
1626
1627	ENTER;
1628	SAVETMPS;
1629
1630	PUSHMARK (SP);
1631	PUTBACK;
1632	call_sv (get_sv ("Coro::idle", FALSE), G_VOID | G_DISCARD);
1633
1634	FREETMPS;
1635	LEAVE;
1636	continue;
1637	}
1638
1639	ta->next = SvSTATE_hv (next_sv);
1640
1641	/* cannot transfer to destroyed coros, skip and look for next */
1642	if (expect_false (ta->next->flags & CF_DESTROYED))
1643	{
1644	SvREFCNT_dec (next_sv);
1645	/* coro_nready has already been taken care of by destroy */
1646	continue;
1647	}
1648
1649	--coro_nready;
1650	break;
1651	}
1652
1653	/* free this only after the transfer */
1654	prev_sv = SvRV (coro_current);	1655	SV *prev_sv = SvRV (coro_current);
		1656
1655	ta->prev = SvSTATE_hv (prev_sv);	1657	ta->prev = SvSTATE_hv (prev_sv);
		1658	ta->next = next;
		1659
1656	TRANSFER_CHECK (*ta);	1660	TRANSFER_CHECK (*ta);
1657	assert (("FATAL: next coroutine isn't marked as ready in Coro (please report)", ta->next->flags & CF_READY));	1661
1658	ta->next->flags &= ~CF_READY;
1659	SvRV_set (coro_current, next_sv);	1662	SvRV_set (coro_current, (SV *)next->hv);
1660		1663
1661	free_coro_mortal (aTHX);	1664	free_coro_mortal (aTHX);
1662	coro_mortal = prev_sv;	1665	coro_mortal = prev_sv;
1663	}	1666	}
1664		1667
		1668	static void
		1669	prepare_schedule (pTHX_ struct coro_transfer_args *ta)
		1670	{
		1671	for (;;)
		1672	{
		1673	SV *next_sv = coro_deq (aTHX);
		1674
		1675	if (expect_true (next_sv))
		1676	{
		1677	struct coro *next = SvSTATE_hv (next_sv);
		1678
		1679	/* cannot transfer to destroyed coros, skip and look for next */
		1680	if (expect_false (next->flags & CF_DESTROYED))
		1681	SvREFCNT_dec (next_sv); /* coro_nready has already been taken care of by destroy */
		1682	else
		1683	{
		1684	next->flags &= ~CF_READY;
		1685	--coro_nready;
		1686
		1687	prepare_schedule_to (aTHX_ ta, next);
		1688	break;
		1689	}
		1690	}
		1691	else
		1692	{
		1693	/* nothing to schedule: call the idle handler */
		1694	if (SvROK (sv_idle)
		1695	&& SvOBJECT (SvRV (sv_idle)))
		1696	{
		1697	++coro_nready; /* hack so that api_ready doesn't invoke ready hook */
		1698	api_ready (aTHX_ SvRV (sv_idle));
		1699	--coro_nready;
		1700	}
		1701	else
		1702	{
		1703	dSP;
		1704
		1705	ENTER;
		1706	SAVETMPS;
		1707
		1708	PUSHMARK (SP);
		1709	PUTBACK;
		1710	call_sv (sv_idle, G_VOID | G_DISCARD);
		1711
		1712	FREETMPS;
		1713	LEAVE;
		1714	}
		1715	}
		1716	}
		1717	}
		1718
1665	INLINE void	1719	INLINE void
1666	prepare_cede (pTHX_ struct coro_transfer_args *ta)	1720	prepare_cede (pTHX_ struct coro_transfer_args *ta)
1667	{	1721	{
1668	api_ready (aTHX_ coro_current);	1722	api_ready (aTHX_ coro_current);
1669	prepare_schedule (aTHX_ ta);	1723	prepare_schedule (aTHX_ ta);
…		…
1688	{	1742	{
1689	struct coro_transfer_args ta;	1743	struct coro_transfer_args ta;
1690		1744
1691	prepare_schedule (aTHX_ &ta);	1745	prepare_schedule (aTHX_ &ta);
1692	TRANSFER (ta, 1);	1746	TRANSFER (ta, 1);
		1747	}
		1748
		1749	static void
		1750	api_schedule_to (pTHX_ SV *coro_sv)
		1751	{
		1752	struct coro_transfer_args ta;
		1753	struct coro *next = SvSTATE (coro_sv);
		1754
		1755	SvREFCNT_inc_NN (coro_sv);
		1756	prepare_schedule_to (aTHX_ &ta, next);
1693	}	1757	}
1694		1758
1695	static int	1759	static int
1696	api_cede (pTHX)	1760	api_cede (pTHX)
1697	{	1761	{
…		…
1726	static void	1790	static void
1727	api_trace (pTHX_ SV *coro_sv, int flags)	1791	api_trace (pTHX_ SV *coro_sv, int flags)
1728	{	1792	{
1729	struct coro *coro = SvSTATE (coro_sv);	1793	struct coro *coro = SvSTATE (coro_sv);
1730		1794
		1795	if (coro->flags & CF_RUNNING)
		1796	croak ("cannot enable tracing on a running coroutine, caught");
		1797
1731	if (flags & CC_TRACE)	1798	if (flags & CC_TRACE)
1732	{	1799	{
1733	if (!coro->cctx)	1800	if (!coro->cctx)
1734	coro->cctx = cctx_new_run ();	1801	coro->cctx = cctx_new_run ();
1735	else if (!(coro->cctx->flags & CC_TRACE))	1802	else if (!(coro->cctx->flags & CC_TRACE))
1736	croak ("cannot enable tracing on coroutine with custom stack,");	1803	croak ("cannot enable tracing on coroutine with custom stack, caught");
1737		1804
1738	coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL));	1805	coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL));
1739	}	1806	}
1740	else if (coro->cctx && coro->cctx->flags & CC_TRACE)	1807	else if (coro->cctx && coro->cctx->flags & CC_TRACE)
1741	{	1808	{
…		…
1746	else	1813	else
1747	coro->slot->runops = RUNOPS_DEFAULT;	1814	coro->slot->runops = RUNOPS_DEFAULT;
1748	}	1815	}
1749	}	1816	}
1750		1817
		1818	static void
		1819	coro_call_on_destroy (pTHX_ struct coro *coro)
		1820	{
		1821	SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0);
		1822	SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0);
		1823
		1824	if (on_destroyp)
		1825	{
		1826	AV *on_destroy = (AV *)SvRV (*on_destroyp);
		1827
		1828	while (AvFILLp (on_destroy) >= 0)
		1829	{
		1830	dSP; /* don't disturb outer sp */
		1831	SV *cb = av_pop (on_destroy);
		1832
		1833	PUSHMARK (SP);
		1834
		1835	if (statusp)
		1836	{
		1837	int i;
		1838	AV *status = (AV *)SvRV (*statusp);
		1839	EXTEND (SP, AvFILLp (status) + 1);
		1840
		1841	for (i = 0; i <= AvFILLp (status); ++i)
		1842	PUSHs (AvARRAY (status)[i]);
		1843	}
		1844
		1845	PUTBACK;
		1846	call_sv (sv_2mortal (cb), G_VOID | G_DISCARD);
		1847	}
		1848	}
		1849	}
		1850
		1851	static void
		1852	slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
		1853	{
		1854	int i;
		1855	HV *hv = (HV *)SvRV (coro_current);
		1856	AV *av = newAV ();
		1857
		1858	av_extend (av, items - 1);
		1859	for (i = 0; i < items; ++i)
		1860	av_push (av, SvREFCNT_inc_NN (arg [i]));
		1861
		1862	hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0);
		1863
		1864	av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */
		1865	api_ready (aTHX_ sv_manager);
		1866
		1867	frame->prepare = prepare_schedule;
		1868	frame->check = slf_check_repeat;
		1869	}
		1870
		1871	/*****************************************************************************/
		1872	/* async pool handler */
		1873
		1874	static int
		1875	slf_check_pool_handler (pTHX_ struct CoroSLF *frame)
		1876	{
		1877	HV *hv = (HV *)SvRV (coro_current);
		1878	struct coro *coro = (struct coro *)frame->data;
		1879
		1880	if (!coro->invoke_cb)
		1881	return 1; /* loop till we have invoke */
		1882	else
		1883	{
		1884	hv_store (hv, "desc", sizeof ("desc") - 1,
		1885	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
		1886
		1887	coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv);
		1888
		1889	{
		1890	dSP;
		1891	XPUSHs (sv_2mortal (coro->invoke_cb)); coro->invoke_cb = 0;
		1892	PUTBACK;
		1893	}
		1894
		1895	SvREFCNT_dec (GvAV (PL_defgv));
		1896	GvAV (PL_defgv) = coro->invoke_av;
		1897	coro->invoke_av = 0;
		1898
		1899	return 0;
		1900	}
		1901	}
		1902
		1903	static void
		1904	slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
		1905	{
		1906	HV *hv = (HV *)SvRV (coro_current);
		1907	struct coro *coro = SvSTATE_hv ((SV *)hv);
		1908
		1909	if (expect_true (coro->saved_deffh))
		1910	{
		1911	/* subsequent iteration */
		1912	SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh;
		1913	coro->saved_deffh = 0;
		1914
		1915	if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss)
		1916	|| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
		1917	{
		1918	coro->invoke_cb = SvREFCNT_inc_NN ((SV *)cv_coro_terminate);
		1919	coro->invoke_av = newAV ();
		1920
		1921	frame->prepare = prepare_nop;
		1922	}
		1923	else
		1924	{
		1925	av_clear (GvAV (PL_defgv));
		1926	hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0);
		1927
		1928	coro->prio = 0;
		1929
		1930	if (coro->cctx && (coro->cctx->flags & CC_TRACE))
		1931	api_trace (aTHX_ coro_current, 0);
		1932
		1933	frame->prepare = prepare_schedule;
		1934	av_push (av_async_pool, SvREFCNT_inc (hv));
		1935	}
		1936	}
		1937	else
		1938	{
		1939	/* first iteration, simply fall through */
		1940	frame->prepare = prepare_nop;
		1941	}
		1942
		1943	frame->check = slf_check_pool_handler;
		1944	frame->data = (void *)coro;
		1945	}
		1946
1751	/*****************************************************************************/	1947	/*****************************************************************************/
1752	/* rouse callback */	1948	/* rouse callback */
1753		1949
1754	#define CORO_MAGIC_type_rouse PERL_MAGIC_ext	1950	#define CORO_MAGIC_type_rouse PERL_MAGIC_ext
1755		1951
…		…
1760	SV *data = (SV *)GENSUB_ARG;	1956	SV *data = (SV *)GENSUB_ARG;
1761		1957
1762	if (SvTYPE (SvRV (data)) != SVt_PVAV)	1958	if (SvTYPE (SvRV (data)) != SVt_PVAV)
1763	{	1959	{
1764	/* first call, set args */	1960	/* first call, set args */
1765	int i;
1766	AV *av = newAV ();	1961	AV *av = newAV ();
1767	SV *coro = SvRV (data);	1962	SV *coro = SvRV (data);
1768		1963
1769	SvRV_set (data, (SV *)av);	1964	SvRV_set (data, (SV *)av);
1770	api_ready (aTHX_ coro);	1965	api_ready (aTHX_ coro);
…		…
1911	static void	2106	static void
1912	slf_init_schedule (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)	2107	slf_init_schedule (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
1913	{	2108	{
1914	frame->prepare = prepare_schedule;	2109	frame->prepare = prepare_schedule;
1915	frame->check = slf_check_nop;	2110	frame->check = slf_check_nop;
		2111	}
		2112
		2113	static void
		2114	slf_prepare_schedule_to (pTHX_ struct coro_transfer_args *ta)
		2115	{
		2116	struct coro *next = (struct coro *)slf_frame.data;
		2117
		2118	SvREFCNT_inc_NN (next->hv);
		2119	prepare_schedule_to (aTHX_ ta, next);
		2120	}
		2121
		2122	static void
		2123	slf_init_schedule_to (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
		2124	{
		2125	if (!items)
		2126	croak ("Coro::schedule_to expects a coroutine argument, caught");
		2127
		2128	frame->data = (void *)SvSTATE (arg [0]);
		2129	frame->prepare = slf_prepare_schedule_to;
		2130	frame->check = slf_check_nop;
		2131	}
		2132
		2133	static void
		2134	slf_init_cede_to (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
		2135	{
		2136	api_ready (aTHX_ SvRV (coro_current));
		2137
		2138	slf_init_schedule_to (aTHX_ frame, cv, arg, items);
1916	}	2139	}
1917		2140
1918	static void	2141	static void
1919	slf_init_cede (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)	2142	slf_init_cede (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
1920	{	2143	{
…		…
2066	}	2289	}
2067	else	2290	else
2068	slf_argc = 0;	2291	slf_argc = 0;
2069		2292
2070	PL_op->op_ppaddr = pp_slf;	2293	PL_op->op_ppaddr = pp_slf;
2071	PL_op->op_type = OP_CUSTOM; /* maybe we should leave it at entersub? */	2294	/*PL_op->op_type = OP_CUSTOM; /* we do behave like entersub still */
2072		2295
2073	PL_op = (OP *)&slf_restore;	2296	PL_op = (OP *)&slf_restore;
2074	}	2297	}
2075		2298
2076	/*****************************************************************************/	2299	/*****************************************************************************/
…		…
2159	SV **ary;	2382	SV **ary;
2160		2383
2161	/* unfortunately, building manually saves memory */	2384	/* unfortunately, building manually saves memory */
2162	Newx (ary, 2, SV *);	2385	Newx (ary, 2, SV *);
2163	AvALLOC (av) = ary;	2386	AvALLOC (av) = ary;
		2387	#if PERL_VERSION_ATLEAST (5,10,0)
2164	/*AvARRAY (av) = ary;*/	2388	AvARRAY (av) = ary;
		2389	#else
2165	SvPVX ((SV *)av) = (char *)ary; /* 5.8.8 needs this syntax instead of AvARRAY = ary */	2390	/* 5.8.8 needs this syntax instead of AvARRAY = ary, yet */
		2391	/* -DDEBUGGING flags this as a bug, despite it perfectly working */
		2392	SvPVX ((SV *)av) = (char *)ary;
		2393	#endif
2166	AvMAX (av) = 1;	2394	AvMAX (av) = 1;
2167	AvFILLp (av) = 0;	2395	AvFILLp (av) = 0;
2168	ary [0] = newSViv (count);	2396	ary [0] = newSViv (count);
2169		2397
2170	return newRV_noinc ((SV *)av);	2398	return newRV_noinc ((SV *)av);
…		…
2299	{	2527	{
2300	if (items >= 2)	2528	if (items >= 2)
2301	{	2529	{
2302	/* callback form */	2530	/* callback form */
2303	AV *av = (AV *)SvRV (arg [0]);	2531	AV *av = (AV *)SvRV (arg [0]);
2304	CV *cb_cv = coro_sv_2cv (arg [1]);	2532	CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]);
2305		2533
2306	av_push (av, (SV *)SvREFCNT_inc_NN (cb_cv));	2534	av_push (av, (SV *)SvREFCNT_inc_NN (cb_cv));
2307		2535
2308	if (SvIVX (AvARRAY (av)[0]) > 0)	2536	if (SvIVX (AvARRAY (av)[0]) > 0)
2309	coro_semaphore_adjust (aTHX_ av, 0);	2537	coro_semaphore_adjust (aTHX_ av, 0);
…		…
2395	dXSARGS;	2623	dXSARGS;
2396	AV *state = (AV *)GENSUB_ARG;	2624	AV *state = (AV *)GENSUB_ARG;
2397	SV *coro = av_pop (state);	2625	SV *coro = av_pop (state);
2398	SV *data_sv = newSV (sizeof (struct io_state));	2626	SV *data_sv = newSV (sizeof (struct io_state));
2399		2627
2400	av_extend (state, items);	2628	av_extend (state, items - 1);
2401		2629
2402	sv_upgrade (data_sv, SVt_PV);	2630	sv_upgrade (data_sv, SVt_PV);
2403	SvCUR_set (data_sv, sizeof (struct io_state));	2631	SvCUR_set (data_sv, sizeof (struct io_state));
2404	SvPOK_only (data_sv);	2632	SvPOK_only (data_sv);
2405		2633
…		…
2540	XSRETURN_EMPTY;	2768	XSRETURN_EMPTY;
2541	}	2769	}
2542		2770
2543	/*****************************************************************************/	2771	/*****************************************************************************/
2544		2772
		2773	#if CORO_CLONE
		2774	# include "clone.c"
		2775	#endif
		2776
2545	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	2777	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
2546		2778
2547	PROTOTYPES: DISABLE	2779	PROTOTYPES: DISABLE
2548		2780
2549	BOOT:	2781	BOOT:
…		…
2553	coro_thx = PERL_GET_CONTEXT;	2785	coro_thx = PERL_GET_CONTEXT;
2554	# endif	2786	# endif
2555	#endif	2787	#endif
2556	BOOT_PAGESIZE;	2788	BOOT_PAGESIZE;
2557		2789
		2790	cctx_current = cctx_new_empty ();
		2791
2558	irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV);	2792	irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV);
2559	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO);	2793	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO);
2560		2794
2561	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;	2795	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;
2562	orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;	2796	orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;
…		…
2581		2815
2582	{	2816	{
2583	SV *slf = sv_2mortal (newSViv (PTR2IV (pp_slf)));	2817	SV *slf = sv_2mortal (newSViv (PTR2IV (pp_slf)));
2584		2818
2585	if (!PL_custom_op_names) PL_custom_op_names = newHV ();	2819	if (!PL_custom_op_names) PL_custom_op_names = newHV ();
2586	hv_store_ent (PL_custom_op_names, slf,	2820	hv_store_ent (PL_custom_op_names, slf, newSVpv ("coro_slf", 0), 0);
2587	newSVpv ("coro_slf", 0), 0);
2588		2821
2589	if (!PL_custom_op_descs) PL_custom_op_descs = newHV ();	2822	if (!PL_custom_op_descs) PL_custom_op_descs = newHV ();
2590	hv_store_ent (PL_custom_op_descs, slf,	2823	hv_store_ent (PL_custom_op_descs, slf, newSVpv ("coro schedule like function", 0), 0);
2591	newSVpv ("coro schedule like function", 0), 0);
2592	}	2824	}
2593		2825
2594	coroapi.ver = CORO_API_VERSION;	2826	coroapi.ver = CORO_API_VERSION;
2595	coroapi.rev = CORO_API_REVISION;	2827	coroapi.rev = CORO_API_REVISION;
2596		2828
…		…
2627	CV *cb;	2859	CV *cb;
2628	int i;	2860	int i;
2629		2861
2630	if (items > 1)	2862	if (items > 1)
2631	{	2863	{
2632	cb = coro_sv_2cv (ST (1));	2864	cb = coro_sv_2cv (aTHX_ ST (1));
2633		2865
2634	if (!ix)	2866	if (!ix)
2635	{	2867	{
2636	if (CvISXSUB (cb))	2868	if (CvISXSUB (cb))
2637	croak ("Coro::State doesn't support XS functions as coroutine start, caught");	2869	croak ("Coro::State doesn't support XS functions as coroutine start, caught");
…		…
2654	mg->mg_flags |= MGf_DUP;	2886	mg->mg_flags |= MGf_DUP;
2655	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	2887	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
2656		2888
2657	if (items > 1)	2889	if (items > 1)
2658	{	2890	{
2659	av_extend (coro->args, items - 1 + ix);	2891	av_extend (coro->args, items - 1 + ix - 1);
2660		2892
2661	if (ix)	2893	if (ix)
2662	{	2894	{
2663	av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb));	2895	av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb));
2664	cb = cv_coro_run;	2896	cb = cv_coro_run;
…		…
2689	void	2921	void
2690	_exit (int code)	2922	_exit (int code)
2691	PROTOTYPE: $	2923	PROTOTYPE: $
2692	CODE:	2924	CODE:
2693	_exit (code);	2925	_exit (code);
		2926
		2927	SV *
		2928	clone (Coro::State coro)
		2929	CODE:
		2930	{
		2931	#if CORO_CLONE
		2932	struct coro *ncoro = coro_clone (aTHX_ coro);
		2933	MAGIC *mg;
		2934	/* TODO: too much duplication */
		2935	ncoro->hv = newHV ();
		2936	mg = sv_magicext ((SV *)ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)ncoro, 0);
		2937	mg->mg_flags |= MGf_DUP;
		2938	RETVAL = sv_bless (newRV_noinc ((SV *)ncoro->hv), SvSTASH (coro->hv));
		2939	#else
		2940	croak ("Coro::State->clone has not been configured into this installation of Coro, realised");
		2941	#endif
		2942	}
		2943	OUTPUT:
		2944	RETVAL
2694		2945
2695	int	2946	int
2696	cctx_stacksize (int new_stacksize = 0)	2947	cctx_stacksize (int new_stacksize = 0)
2697	PROTOTYPE: ;$	2948	PROTOTYPE: ;$
2698	CODE:	2949	CODE:
…		…
2819		3070
2820	SV *	3071	SV *
2821	has_cctx (Coro::State coro)	3072	has_cctx (Coro::State coro)
2822	PROTOTYPE: $	3073	PROTOTYPE: $
2823	CODE:	3074	CODE:
2824	RETVAL = boolSV (!!coro->cctx);	3075	/* maybe manage the running flag differently */
		3076	RETVAL = boolSV (!!coro->cctx || (coro->flags & CF_RUNNING));
2825	OUTPUT:	3077	OUTPUT:
2826	RETVAL	3078	RETVAL
2827		3079
2828	int	3080	int
2829	is_traced (Coro::State coro)	3081	is_traced (Coro::State coro)
…		…
2849		3101
2850	void	3102	void
2851	force_cctx ()	3103	force_cctx ()
2852	PROTOTYPE:	3104	PROTOTYPE:
2853	CODE:	3105	CODE:
2854	SvSTATE_current->cctx->idle_sp = 0;	3106	cctx_current->idle_sp = 0;
2855		3107
2856	void	3108	void
2857	swap_defsv (Coro::State self)	3109	swap_defsv (Coro::State self)
2858	PROTOTYPE: $	3110	PROTOTYPE: $
2859	ALIAS:	3111	ALIAS:
…		…
2874		3126
2875	BOOT:	3127	BOOT:
2876	{	3128	{
2877	int i;	3129	int i;
2878		3130
2879	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
2880	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);	3131	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
2881	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);	3132	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
2882	cv_coro_run = get_cv (aTHX_ "Coro::_terminate", GV_ADD);	3133	cv_coro_run = get_cv ( "Coro::_terminate", GV_ADD);
		3134	cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD);
2883	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE);	3135	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);
2884	SvREADONLY_on (coro_current);	3136	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
		3137	av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE);
		3138	sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE);
		3139	sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE);
		3140
		3141	sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle);
		3142	sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro);
		3143	cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler);
		3144	cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new);
2885		3145
2886	coro_stash = gv_stashpv ("Coro", TRUE);	3146	coro_stash = gv_stashpv ("Coro", TRUE);
2887		3147
2888	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	3148	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
2889	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	3149	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
…		…
2897		3157
2898	{	3158	{
2899	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);	3159	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);
2900		3160
2901	coroapi.schedule = api_schedule;	3161	coroapi.schedule = api_schedule;
		3162	coroapi.schedule_to = api_schedule_to;
2902	coroapi.cede = api_cede;	3163	coroapi.cede = api_cede;
2903	coroapi.cede_notself = api_cede_notself;	3164	coroapi.cede_notself = api_cede_notself;
2904	coroapi.ready = api_ready;	3165	coroapi.ready = api_ready;
2905	coroapi.is_ready = api_is_ready;	3166	coroapi.is_ready = api_is_ready;
2906	coroapi.nready = coro_nready;	3167	coroapi.nready = coro_nready;
…		…
2911	SvREADONLY_on (sv);	3172	SvREADONLY_on (sv);
2912	}	3173	}
2913	}	3174	}
2914		3175
2915	void	3176	void
		3177	terminate (...)
		3178	CODE:
		3179	CORO_EXECUTE_SLF_XS (slf_init_terminate);
		3180
		3181	void
2916	schedule (...)	3182	schedule (...)
2917	CODE:	3183	CODE:
2918	CORO_EXECUTE_SLF_XS (slf_init_schedule);	3184	CORO_EXECUTE_SLF_XS (slf_init_schedule);
		3185
		3186	void
		3187	schedule_to (...)
		3188	CODE:
		3189	CORO_EXECUTE_SLF_XS (slf_init_schedule_to);
		3190
		3191	void
		3192	cede_to (...)
		3193	CODE:
		3194	CORO_EXECUTE_SLF_XS (slf_init_cede_to);
2919		3195
2920	void	3196	void
2921	cede (...)	3197	cede (...)
2922	CODE:	3198	CODE:
2923	CORO_EXECUTE_SLF_XS (slf_init_cede);	3199	CORO_EXECUTE_SLF_XS (slf_init_cede);
2924		3200
2925	void	3201	void
2926	cede_notself (...)	3202	cede_notself (...)
2927	CODE:	3203	CODE:
2928	CORO_EXECUTE_SLF_XS (slf_init_cede_notself);	3204	CORO_EXECUTE_SLF_XS (slf_init_cede_notself);
		3205
		3206	void
		3207	_cancel (Coro::State self)
		3208	CODE:
		3209	coro_state_destroy (aTHX_ self);
		3210	coro_call_on_destroy (aTHX_ self);
2929		3211
2930	void	3212	void
2931	_set_current (SV *current)	3213	_set_current (SV *current)
2932	PROTOTYPE: $	3214	PROTOTYPE: $
2933	CODE:	3215	CODE:
…		…
2978	CODE:	3260	CODE:
2979	RETVAL = coro_nready;	3261	RETVAL = coro_nready;
2980	OUTPUT:	3262	OUTPUT:
2981	RETVAL	3263	RETVAL
2982		3264
2983	# for async_pool speedup
2984	void	3265	void
2985	_pool_1 (SV *cb)	3266	_pool_handler (...)
2986	CODE:	3267	CODE:
2987	{	3268	CORO_EXECUTE_SLF_XS (slf_init_pool_handler);
2988	HV *hv = (HV *)SvRV (coro_current);
2989	struct coro *coro = SvSTATE_hv ((SV *)hv);
2990	AV *defav = GvAV (PL_defgv);
2991	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
2992	AV *invoke_av;
2993	int i, len;
2994		3269
2995	if (!invoke)	3270	void
		3271	async_pool (SV *cv, ...)
		3272	PROTOTYPE: &@
		3273	PPCODE:
		3274	{
		3275	HV *hv = (HV *)av_pop (av_async_pool);
		3276	AV *av = newAV ();
		3277	SV *cb = ST (0);
		3278	int i;
		3279
		3280	av_extend (av, items - 2);
		3281	for (i = 1; i < items; ++i)
		3282	av_push (av, SvREFCNT_inc_NN (ST (i)));
		3283
		3284	if ((SV *)hv == &PL_sv_undef)
2996	{	3285	{
2997	SV *old = PL_diehook;	3286	PUSHMARK (SP);
2998	PL_diehook = 0;	3287	EXTEND (SP, 2);
2999	SvREFCNT_dec (old);	3288	PUSHs (sv_Coro);
3000	croak ("\3async_pool terminate\2\n");	3289	PUSHs ((SV *)cv_pool_handler);
		3290	PUTBACK;
		3291	call_sv ((SV *)cv_coro_state_new, G_SCALAR);
		3292	SPAGAIN;
		3293
		3294	hv = (HV *)SvREFCNT_inc_NN (SvRV (POPs));
3001	}	3295	}
3002		3296
3003	SvREFCNT_dec (coro->saved_deffh);
3004	coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv);
3005
3006	hv_store (hv, "desc", sizeof ("desc") - 1,
3007	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
3008
3009	invoke_av = (AV *)SvRV (invoke);
3010	len = av_len (invoke_av);
3011
3012	sv_setsv (cb, AvARRAY (invoke_av)[0]);
3013
3014	if (len > 0)
3015	{	3297	{
3016	av_fill (defav, len - 1);	3298	struct coro *coro = SvSTATE_hv (hv);
3017	for (i = 0; i < len; ++i)	3299
3018	av_store (defav, i, SvREFCNT_inc_NN (AvARRAY (invoke_av)[i + 1]));	3300	assert (!coro->invoke_cb);
		3301	assert (!coro->invoke_av);
		3302	coro->invoke_cb = SvREFCNT_inc (cb);
		3303	coro->invoke_av = av;
3019	}	3304	}
3020	}
3021		3305
3022	void	3306	api_ready (aTHX_ (SV *)hv);
3023	_pool_2 (SV *cb)
3024	CODE:
3025	{
3026	HV *hv = (HV *)SvRV (coro_current);
3027	struct coro *coro = SvSTATE_hv ((SV *)hv);
3028		3307
3029	sv_setsv (cb, &PL_sv_undef);	3308	if (GIMME_V != G_VOID)
3030		3309	XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv)));
3031	SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh;	3310	else
3032	coro->saved_deffh = 0;
3033
3034	if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss)
3035	|| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
3036	{
3037	SV *old = PL_diehook;
3038	PL_diehook = 0;
3039	SvREFCNT_dec (old);	3311	SvREFCNT_dec (hv);
3040	croak ("\3async_pool terminate\2\n");
3041	}
3042
3043	av_clear (GvAV (PL_defgv));
3044	hv_store (hv, "desc", sizeof ("desc") - 1,
3045	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
3046
3047	coro->prio = 0;
3048
3049	if (coro->cctx && (coro->cctx->flags & CC_TRACE))
3050	api_trace (aTHX_ coro_current, 0);
3051
3052	av_push (av_async_pool, newSVsv (coro_current));
3053	}	3312	}
3054		3313
3055	SV *	3314	SV *
3056	rouse_cb ()	3315	rouse_cb ()
3057	PROTOTYPE:	3316	PROTOTYPE:
…		…
3231		3490
3232	void	3491	void
3233	_register (char *target, char *proto, SV *req)	3492	_register (char *target, char *proto, SV *req)
3234	CODE:	3493	CODE:
3235	{	3494	{
3236	CV *req_cv = coro_sv_2cv (req);	3495	CV *req_cv = coro_sv_2cv (aTHX_ req);
3237	/* newXSproto doesn't return the CV on 5.8 */	3496	/* newXSproto doesn't return the CV on 5.8 */
3238	CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__);	3497	CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__);
3239	sv_setpv ((SV *)slf_cv, proto);	3498	sv_setpv ((SV *)slf_cv, proto);
3240	sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0);	3499	sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0);
3241	}	3500	}

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