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/cvs/Coro/Coro/State.xs

Comparing Coro/Coro/State.xs (file contents):
Revision 1.304 by root, Wed Nov 19 08:22:48 2008 UTC vs.
Revision 1.340 by root, Mon Dec 15 00:30:40 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
…		…
246	/* state data */	265	/* state data */
247	struct CoroSLF slf_frame; /* saved slf frame */	266	struct CoroSLF slf_frame; /* saved slf frame */
248	AV *mainstack;	267	AV *mainstack;
249	perl_slots *slot; /* basically the saved sp */	268	perl_slots *slot; /* basically the saved sp */
250		269
		270	CV *startcv; /* the CV to execute */
251	AV *args; /* data associated with this coroutine (initial args) */	271	AV *args; /* data associated with this coroutine (initial args) */
252	int refcnt; /* coroutines are refcounted, yes */	272	int refcnt; /* coroutines are refcounted, yes */
253	int flags; /* CF_ flags */	273	int flags; /* CF_ flags */
254	HV *hv; /* the perl hash associated with this coro, if any */	274	HV *hv; /* the perl hash associated with this coro, if any */
255	void (*on_destroy)(pTHX_ struct coro *coro);	275	void (*on_destroy)(pTHX_ struct coro *coro);
256		276
257	/* statistics */	277	/* statistics */
258	int usecount; /* number of transfers to this coro */	278	int usecount; /* number of transfers to this coro */
259		279
…		…
262	SV *except; /* exception to be thrown */	282	SV *except; /* exception to be thrown */
263	SV *rouse_cb;	283	SV *rouse_cb;
264		284
265	/* async_pool */	285	/* async_pool */
266	SV *saved_deffh;	286	SV *saved_deffh;
		287	SV *invoke_cb;
		288	AV *invoke_av;
		289
		290	/* on_enter/on_leave */
		291	AV *on_enter;
		292	AV *on_leave;
267		293
268	/* linked list */	294	/* linked list */
269	struct coro *next, *prev;	295	struct coro *next, *prev;
270	};	296	};
271		297
…		…
288		314
289	/* for Coro.pm */	315	/* for Coro.pm */
290	static SV *coro_current;	316	static SV *coro_current;
291	static SV *coro_readyhook;	317	static SV *coro_readyhook;
292	static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1];	318	static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1];
		319	static CV *cv_coro_run, *cv_coro_terminate;
293	static struct coro *coro_first;	320	static struct coro *coro_first;
294	#define coro_nready coroapi.nready	321	#define coro_nready coroapi.nready
295		322
296	/** lowlevel stuff **********************************************************/	323	/** lowlevel stuff **********************************************************/
297		324
…		…
323	get_hv (name, create);	350	get_hv (name, create);
324	#endif	351	#endif
325	return get_hv (name, create);	352	return get_hv (name, create);
326	}	353	}
327		354
		355	/* may croak */
		356	INLINE CV *
		357	coro_sv_2cv (pTHX_ SV *sv)
		358	{
		359	HV *st;
		360	GV *gvp;
		361	CV *cv = sv_2cv (sv, &st, &gvp, 0);
		362
		363	if (!cv)
		364	croak ("code reference expected");
		365
		366	return cv;
		367	}
		368
		369	/*****************************************************************************/
		370	/* magic glue */
		371
		372	#define CORO_MAGIC_type_cv 26
		373	#define CORO_MAGIC_type_state PERL_MAGIC_ext
		374
		375	#define CORO_MAGIC_NN(sv, type) \
		376	(expect_true (SvMAGIC (sv)->mg_type == type) \
		377	? SvMAGIC (sv) \
		378	: mg_find (sv, type))
		379
		380	#define CORO_MAGIC(sv, type) \
		381	(expect_true (SvMAGIC (sv)) \
		382	? CORO_MAGIC_NN (sv, type) \
		383	: 0)
		384
		385	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
		386	#define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state)
		387
		388	INLINE struct coro *
		389	SvSTATE_ (pTHX_ SV *coro)
		390	{
		391	HV *stash;
		392	MAGIC *mg;
		393
		394	if (SvROK (coro))
		395	coro = SvRV (coro);
		396
		397	if (expect_false (SvTYPE (coro) != SVt_PVHV))
		398	croak ("Coro::State object required");
		399
		400	stash = SvSTASH (coro);
		401	if (expect_false (stash != coro_stash && stash != coro_state_stash))
		402	{
		403	/* very slow, but rare, check */
		404	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
		405	croak ("Coro::State object required");
		406	}
		407
		408	mg = CORO_MAGIC_state (coro);
		409	return (struct coro *)mg->mg_ptr;
		410	}
		411
		412	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
		413
		414	/* faster than SvSTATE, but expects a coroutine hv */
		415	#define SvSTATE_hv(hv) ((struct coro *)CORO_MAGIC_NN ((SV *)hv, CORO_MAGIC_type_state)->mg_ptr)
		416	#define SvSTATE_current SvSTATE_hv (SvRV (coro_current))
		417
		418	/*****************************************************************************/
		419	/* padlist management and caching */
		420
328	static AV *	421	static AV *
329	coro_clone_padlist (pTHX_ CV *cv)	422	coro_derive_padlist (pTHX_ CV *cv)
330	{	423	{
331	AV *padlist = CvPADLIST (cv);	424	AV *padlist = CvPADLIST (cv);
332	AV *newpadlist, *newpad;	425	AV *newpadlist, *newpad;
333		426
334	newpadlist = newAV ();	427	newpadlist = newAV ();
…		…
339	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);	432	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
340	#endif	433	#endif
341	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];	434	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
342	--AvFILLp (padlist);	435	--AvFILLp (padlist);
343		436
344	av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE)));	437	av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0]));
345	av_store (newpadlist, 1, (SV *)newpad);	438	av_store (newpadlist, 1, (SV *)newpad);
346		439
347	return newpadlist;	440	return newpadlist;
348	}	441	}
349		442
350	static void	443	static void
351	free_padlist (pTHX_ AV *padlist)	444	free_padlist (pTHX_ AV *padlist)
352	{	445	{
353	/* may be during global destruction */	446	/* may be during global destruction */
354	if (SvREFCNT (padlist))	447	if (!IN_DESTRUCT)
355	{	448	{
356	I32 i = AvFILLp (padlist);	449	I32 i = AvFILLp (padlist);
357	while (i >= 0)	450
		451	while (i > 0) /* special-case index 0 */
358	{	452	{
359	SV **svp = av_fetch (padlist, i--, FALSE);	453	/* we try to be extra-careful here */
360	if (svp)	454	AV *av = (AV *)AvARRAY (padlist)[i--];
361	{	455	I32 j = AvFILLp (av);
362	SV *sv;	456
363	while (&PL_sv_undef != (sv = av_pop ((AV *)*svp)))	457	while (j >= 0)
		458	SvREFCNT_dec (AvARRAY (av)[j--]);
		459
		460	AvFILLp (av) = -1;
364	SvREFCNT_dec (sv);	461	SvREFCNT_dec (av);
365
366	SvREFCNT_dec (*svp);
367	}
368	}	462	}
369		463
		464	SvREFCNT_dec (AvARRAY (padlist)[0]);
		465
		466	AvFILLp (padlist) = -1;
370	SvREFCNT_dec ((SV*)padlist);	467	SvREFCNT_dec ((SV*)padlist);
371	}	468	}
372	}	469	}
373		470
374	static int	471	static int
…		…
383		480
384	SvREFCNT_dec (av); /* sv_magicext increased the refcount */	481	SvREFCNT_dec (av); /* sv_magicext increased the refcount */
385		482
386	return 0;	483	return 0;
387	}	484	}
388
389	#define CORO_MAGIC_type_cv 26
390	#define CORO_MAGIC_type_state PERL_MAGIC_ext
391		485
392	static MGVTBL coro_cv_vtbl = {	486	static MGVTBL coro_cv_vtbl = {
393	0, 0, 0, 0,	487	0, 0, 0, 0,
394	coro_cv_free	488	coro_cv_free
395	};	489	};
396
397	#define CORO_MAGIC_NN(sv, type) \
398	(expect_true (SvMAGIC (sv)->mg_type == type) \
399	? SvMAGIC (sv) \
400	: mg_find (sv, type))
401
402	#define CORO_MAGIC(sv, type) \
403	(expect_true (SvMAGIC (sv)) \
404	? CORO_MAGIC_NN (sv, type) \
405	: 0)
406
407	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
408	#define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state)
409
410	INLINE struct coro *
411	SvSTATE_ (pTHX_ SV *coro)
412	{
413	HV *stash;
414	MAGIC *mg;
415
416	if (SvROK (coro))
417	coro = SvRV (coro);
418
419	if (expect_false (SvTYPE (coro) != SVt_PVHV))
420	croak ("Coro::State object required");
421
422	stash = SvSTASH (coro);
423	if (expect_false (stash != coro_stash && stash != coro_state_stash))
424	{
425	/* very slow, but rare, check */
426	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
427	croak ("Coro::State object required");
428	}
429
430	mg = CORO_MAGIC_state (coro);
431	return (struct coro *)mg->mg_ptr;
432	}
433
434	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
435
436	/* faster than SvSTATE, but expects a coroutine hv */
437	#define SvSTATE_hv(hv) ((struct coro *)CORO_MAGIC_NN ((SV *)hv, CORO_MAGIC_type_state)->mg_ptr)
438	#define SvSTATE_current SvSTATE_hv (SvRV (coro_current))
439		490
440	/* the next two functions merely cache the padlists */	491	/* the next two functions merely cache the padlists */
441	static void	492	static void
442	get_padlist (pTHX_ CV *cv)	493	get_padlist (pTHX_ CV *cv)
443	{	494	{
…		…
449	else	500	else
450	{	501	{
451	#if CORO_PREFER_PERL_FUNCTIONS	502	#if CORO_PREFER_PERL_FUNCTIONS
452	/* this is probably cleaner? but also slower! */	503	/* this is probably cleaner? but also slower! */
453	/* in practise, it seems to be less stable */	504	/* in practise, it seems to be less stable */
454	CV *cp = Perl_cv_clone (cv);	505	CV *cp = Perl_cv_clone (aTHX_ cv);
455	CvPADLIST (cv) = CvPADLIST (cp);	506	CvPADLIST (cv) = CvPADLIST (cp);
456	CvPADLIST (cp) = 0;	507	CvPADLIST (cp) = 0;
457	SvREFCNT_dec (cp);	508	SvREFCNT_dec (cp);
458	#else	509	#else
459	CvPADLIST (cv) = coro_clone_padlist (aTHX_ cv);	510	CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv);
460	#endif	511	#endif
461	}	512	}
462	}	513	}
463		514
464	static void	515	static void
…		…
471	mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);	522	mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);
472		523
473	av = (AV *)mg->mg_obj;	524	av = (AV *)mg->mg_obj;
474		525
475	if (expect_false (AvFILLp (av) >= AvMAX (av)))	526	if (expect_false (AvFILLp (av) >= AvMAX (av)))
476	av_extend (av, AvMAX (av) + 1);	527	av_extend (av, AvFILLp (av) + 1);
477		528
478	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);	529	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
479	}	530	}
480		531
481	/** load & save, init *******************************************************/	532	/** load & save, init *******************************************************/
		533
		534	static void
		535	on_enterleave_call (pTHX_ SV *cb);
482		536
483	static void	537	static void
484	load_perl (pTHX_ Coro__State c)	538	load_perl (pTHX_ Coro__State c)
485	{	539	{
486	perl_slots *slot = c->slot;	540	perl_slots *slot = c->slot;
487	c->slot = 0;	541	c->slot = 0;
488		542
489	PL_mainstack = c->mainstack;	543	PL_mainstack = c->mainstack;
490		544
491	GvSV (PL_defgv) = slot->defsv;	545	GvSV (PL_defgv) = slot->defsv;
492	GvAV (PL_defgv) = slot->defav;	546	GvAV (PL_defgv) = slot->defav;
493	GvSV (PL_errgv) = slot->errsv;	547	GvSV (PL_errgv) = slot->errsv;
494	GvSV (irsgv) = slot->irsgv;	548	GvSV (irsgv) = slot->irsgv;
		549	GvHV (PL_hintgv) = slot->hinthv;
495		550
496	#define VAR(name,type) PL_ ## name = slot->name;	551	#define VAR(name,type) PL_ ## name = slot->name;
497	# include "state.h"	552	# include "state.h"
498	#undef VAR	553	#undef VAR
499		554
…		…
513	PUTBACK;	568	PUTBACK;
514	}	569	}
515		570
516	slf_frame = c->slf_frame;	571	slf_frame = c->slf_frame;
517	CORO_THROW = c->except;	572	CORO_THROW = c->except;
		573
		574	if (expect_false (c->on_enter))
		575	{
		576	int i;
		577
		578	for (i = 0; i <= AvFILLp (c->on_enter); ++i)
		579	on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]);
		580	}
518	}	581	}
519		582
520	static void	583	static void
521	save_perl (pTHX_ Coro__State c)	584	save_perl (pTHX_ Coro__State c)
522	{	585	{
		586	if (expect_false (c->on_leave))
		587	{
		588	int i;
		589
		590	for (i = AvFILLp (c->on_leave); i >= 0; --i)
		591	on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]);
		592	}
		593
523	c->except = CORO_THROW;	594	c->except = CORO_THROW;
524	c->slf_frame = slf_frame;	595	c->slf_frame = slf_frame;
525		596
526	{	597	{
527	dSP;	598	dSP;
…		…
585	c->mainstack = PL_mainstack;	656	c->mainstack = PL_mainstack;
586		657
587	{	658	{
588	perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1);	659	perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1);
589		660
590	slot->defav = GvAV (PL_defgv);	661	slot->defav = GvAV (PL_defgv);
591	slot->defsv = DEFSV;	662	slot->defsv = DEFSV;
592	slot->errsv = ERRSV;	663	slot->errsv = ERRSV;
593	slot->irsgv = GvSV (irsgv);	664	slot->irsgv = GvSV (irsgv);
		665	slot->hinthv = GvHV (PL_hintgv);
594		666
595	#define VAR(name,type) slot->name = PL_ ## name;	667	#define VAR(name,type) slot->name = PL_ ## name;
596	# include "state.h"	668	# include "state.h"
597	#undef VAR	669	#undef VAR
598	}	670	}
…		…
603	* of perl.c:init_stacks, except that it uses less memory	675	* of perl.c:init_stacks, except that it uses less memory
604	* on the (sometimes correct) assumption that coroutines do	676	* on the (sometimes correct) assumption that coroutines do
605	* not usually need a lot of stackspace.	677	* not usually need a lot of stackspace.
606	*/	678	*/
607	#if CORO_PREFER_PERL_FUNCTIONS	679	#if CORO_PREFER_PERL_FUNCTIONS
608	# define coro_init_stacks init_stacks	680	# define coro_init_stacks(thx) init_stacks ()
609	#else	681	#else
610	static void	682	static void
611	coro_init_stacks (pTHX)	683	coro_init_stacks (pTHX)
612	{	684	{
613	PL_curstackinfo = new_stackinfo(32, 8);	685	PL_curstackinfo = new_stackinfo(32, 8);
…		…
676	#if !PERL_VERSION_ATLEAST (5,10,0)	748	#if !PERL_VERSION_ATLEAST (5,10,0)
677	Safefree (PL_retstack);	749	Safefree (PL_retstack);
678	#endif	750	#endif
679	}	751	}
680		752
		753	#define CORO_RSS \
		754	rss += sizeof (SYM (curstackinfo)); \
		755	rss += (SYM (curstackinfo->si_cxmax) + 1) * sizeof (PERL_CONTEXT); \
		756	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (SYM (curstack))) * sizeof (SV *); \
		757	rss += SYM (tmps_max) * sizeof (SV *); \
		758	rss += (SYM (markstack_max) - SYM (markstack_ptr)) * sizeof (I32); \
		759	rss += SYM (scopestack_max) * sizeof (I32); \
		760	rss += SYM (savestack_max) * sizeof (ANY);
		761
681	static size_t	762	static size_t
682	coro_rss (pTHX_ struct coro *coro)	763	coro_rss (pTHX_ struct coro *coro)
683	{	764	{
684	size_t rss = sizeof (*coro);	765	size_t rss = sizeof (*coro);
685		766
686	if (coro->mainstack)	767	if (coro->mainstack)
687	{	768	{
688	perl_slots tmp_slot;
689	perl_slots *slot;
690
691	if (coro->flags & CF_RUNNING)	769	if (coro->flags & CF_RUNNING)
692	{	770	{
693	slot = &tmp_slot;	771	#define SYM(sym) PL_ ## sym
694		772	CORO_RSS;
695	#define VAR(name,type) slot->name = PL_ ## name;
696	# include "state.h"
697	#undef VAR	773	#undef SYM
698	}	774	}
699	else	775	else
700	slot = coro->slot;
701
702	if (slot)
703	{	776	{
704	rss += sizeof (slot->curstackinfo);	777	#define SYM(sym) coro->slot->sym
705	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);	778	CORO_RSS;
706	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);	779	#undef SYM
707	rss += slot->tmps_max * sizeof (SV *);
708	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
709	rss += slot->scopestack_max * sizeof (I32);
710	rss += slot->savestack_max * sizeof (ANY);
711
712	#if !PERL_VERSION_ATLEAST (5,10,0)
713	rss += slot->retstack_max * sizeof (OP *);
714	#endif
715	}	780	}
716	}	781	}
717		782
718	return rss;	783	return rss;
719	}	784	}
…		…
732	#endif	797	#endif
733		798
734	/*	799	/*
735	* This overrides the default magic get method of %SIG elements.	800	* This overrides the default magic get method of %SIG elements.
736	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook	801	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook
737	* and instead of tryign to save and restore the hash elements, we just provide	802	* and instead of trying to save and restore the hash elements, we just provide
738	* readback here.	803	* readback here.
739	* We only do this when the hook is != 0, as they are often set to 0 temporarily,
740	* not expecting this to actually change the hook. This is a potential problem
741	* when a schedule happens then, but we ignore this.
742	*/	804	*/
743	static int	805	static int
744	coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg)	806	coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg)
745	{	807	{
746	const char *s = MgPV_nolen_const (mg);	808	const char *s = MgPV_nolen_const (mg);
…		…
799	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;	861	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
800		862
801	if (svp)	863	if (svp)
802	{	864	{
803	SV *old = *svp;	865	SV *old = *svp;
804	*svp = newSVsv (sv);	866	*svp = SvOK (sv) ? newSVsv (sv) : 0;
805	SvREFCNT_dec (old);	867	SvREFCNT_dec (old);
806	return 0;	868	return 0;
807	}	869	}
808	}	870	}
809		871
…		…
819		881
820	static int	882	static int
821	slf_check_nop (pTHX_ struct CoroSLF *frame)	883	slf_check_nop (pTHX_ struct CoroSLF *frame)
822	{	884	{
823	return 0;	885	return 0;
		886	}
		887
		888	static int
		889	slf_check_repeat (pTHX_ struct CoroSLF *frame)
		890	{
		891	return 1;
824	}	892	}
825		893
826	static UNOP coro_setup_op;	894	static UNOP coro_setup_op;
827		895
828	static void NOINLINE /* noinline to keep it out of the transfer fast path */	896	static void NOINLINE /* noinline to keep it out of the transfer fast path */
…		…
835		903
836	PL_runops = RUNOPS_DEFAULT;	904	PL_runops = RUNOPS_DEFAULT;
837	PL_curcop = &PL_compiling;	905	PL_curcop = &PL_compiling;
838	PL_in_eval = EVAL_NULL;	906	PL_in_eval = EVAL_NULL;
839	PL_comppad = 0;	907	PL_comppad = 0;
		908	PL_comppad_name = 0;
		909	PL_comppad_name_fill = 0;
		910	PL_comppad_name_floor = 0;
840	PL_curpm = 0;	911	PL_curpm = 0;
841	PL_curpad = 0;	912	PL_curpad = 0;
842	PL_localizing = 0;	913	PL_localizing = 0;
843	PL_dirty = 0;	914	PL_dirty = 0;
844	PL_restartop = 0;	915	PL_restartop = 0;
845	#if PERL_VERSION_ATLEAST (5,10,0)	916	#if PERL_VERSION_ATLEAST (5,10,0)
846	PL_parser = 0;	917	PL_parser = 0;
847	#endif	918	#endif
		919	PL_hints = 0;
848		920
849	/* recreate the die/warn hooks */	921	/* recreate the die/warn hooks */
850	PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook );	922	PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook );
851	PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook);	923	PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook);
852		924
853	GvSV (PL_defgv) = newSV (0);	925	GvSV (PL_defgv) = newSV (0);
854	GvAV (PL_defgv) = coro->args; coro->args = 0;	926	GvAV (PL_defgv) = coro->args; coro->args = 0;
855	GvSV (PL_errgv) = newSV (0);	927	GvSV (PL_errgv) = newSV (0);
856	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);	928	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
		929	GvHV (PL_hintgv) = 0;
857	PL_rs = newSVsv (GvSV (irsgv));	930	PL_rs = newSVsv (GvSV (irsgv));
858	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);	931	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);
859		932
860	{	933	{
861	dSP;	934	dSP;
862	UNOP myop;	935	UNOP myop;
863		936
864	Zero (&myop, 1, UNOP);	937	Zero (&myop, 1, UNOP);
865	myop.op_next = Nullop;	938	myop.op_next = Nullop;
		939	myop.op_type = OP_ENTERSUB;
866	myop.op_flags = OPf_WANT_VOID;	940	myop.op_flags = OPf_WANT_VOID;
867		941
868	PUSHMARK (SP);	942	PUSHMARK (SP);
869	XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv))));	943	PUSHs ((SV *)coro->startcv);
870	PUTBACK;	944	PUTBACK;
871	PL_op = (OP *)&myop;	945	PL_op = (OP *)&myop;
872	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	946	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
873	SPAGAIN;
874	}	947	}
875		948
876	/* this newly created coroutine might be run on an existing cctx which most	949	/* this newly created coroutine might be run on an existing cctx which most
877	* likely was suspended in pp_slf, so we have to emulate entering pp_slf here.	950	* likely was suspended in pp_slf, so we have to emulate entering pp_slf here.
878	*/	951	*/
879	slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */	952	slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */
880	slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */	953	slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */
881		954
882	/* and we have to provide the pp_slf op in any case, so pp_slf can skip it */	955	/* and we have to provide the pp_slf op in any case, so pp_slf can skip it */
883	coro_setup_op.op_next = PL_op;	956	coro_setup_op.op_next = PL_op;
884	coro_setup_op.op_type = OP_CUSTOM;	957	coro_setup_op.op_type = OP_ENTERSUB;
885	coro_setup_op.op_ppaddr = pp_slf;	958	coro_setup_op.op_ppaddr = pp_slf;
886	/* no flags required, as an init function won't be called */	959	/* no flags etc. required, as an init function won't be called */
887		960
888	PL_op = (OP *)&coro_setup_op;	961	PL_op = (OP *)&coro_setup_op;
889		962
890	/* copy throw, in case it was set before coro_setup */	963	/* copy throw, in case it was set before coro_setup */
891	CORO_THROW = coro->except;	964	CORO_THROW = coro->except;
892	}	965	}
893		966
894	static void	967	static void
895	coro_destruct (pTHX_ struct coro *coro)	968	coro_unwind_stacks (pTHX)
896	{	969	{
897	if (!IN_DESTRUCT)	970	if (!IN_DESTRUCT)
898	{	971	{
899	/* restore all saved variables and stuff */	972	/* restore all saved variables and stuff */
900	LEAVE_SCOPE (0);	973	LEAVE_SCOPE (0);
…		…
908	POPSTACK_TO (PL_mainstack);	981	POPSTACK_TO (PL_mainstack);
909		982
910	/* unwind main stack */	983	/* unwind main stack */
911	dounwind (-1);	984	dounwind (-1);
912	}	985	}
		986	}
		987
		988	static void
		989	coro_destruct_perl (pTHX_ struct coro *coro)
		990	{
		991	coro_unwind_stacks (aTHX);
913		992
914	SvREFCNT_dec (GvSV (PL_defgv));	993	SvREFCNT_dec (GvSV (PL_defgv));
915	SvREFCNT_dec (GvAV (PL_defgv));	994	SvREFCNT_dec (GvAV (PL_defgv));
916	SvREFCNT_dec (GvSV (PL_errgv));	995	SvREFCNT_dec (GvSV (PL_errgv));
917	SvREFCNT_dec (PL_defoutgv);	996	SvREFCNT_dec (PL_defoutgv);
918	SvREFCNT_dec (PL_rs);	997	SvREFCNT_dec (PL_rs);
919	SvREFCNT_dec (GvSV (irsgv));	998	SvREFCNT_dec (GvSV (irsgv));
		999	SvREFCNT_dec (GvHV (PL_hintgv));
920		1000
921	SvREFCNT_dec (PL_diehook);	1001	SvREFCNT_dec (PL_diehook);
922	SvREFCNT_dec (PL_warnhook);	1002	SvREFCNT_dec (PL_warnhook);
923		1003
924	SvREFCNT_dec (CORO_THROW);
925	SvREFCNT_dec (coro->saved_deffh);	1004	SvREFCNT_dec (coro->saved_deffh);
926	SvREFCNT_dec (coro->rouse_cb);	1005	SvREFCNT_dec (coro->rouse_cb);
		1006	SvREFCNT_dec (coro->invoke_cb);
		1007	SvREFCNT_dec (coro->invoke_av);
927		1008
928	coro_destruct_stacks (aTHX);	1009	coro_destruct_stacks (aTHX);
929	}	1010	}
930		1011
931	INLINE void	1012	INLINE void
…		…
941	static int	1022	static int
942	runops_trace (pTHX)	1023	runops_trace (pTHX)
943	{	1024	{
944	COP *oldcop = 0;	1025	COP *oldcop = 0;
945	int oldcxix = -2;	1026	int oldcxix = -2;
946	struct coro *coro = SvSTATE_current; /* trace cctx is tied to specific coro */
947	coro_cctx *cctx = coro->cctx;
948		1027
949	while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))	1028	while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))
950	{	1029	{
951	PERL_ASYNC_CHECK ();	1030	PERL_ASYNC_CHECK ();
952		1031
953	if (cctx->flags & CC_TRACE_ALL)	1032	if (cctx_current->flags & CC_TRACE_ALL)
954	{	1033	{
955	if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB)	1034	if (PL_op->op_type == OP_LEAVESUB && cctx_current->flags & CC_TRACE_SUB)
956	{	1035	{
957	PERL_CONTEXT *cx = &cxstack[cxstack_ix];	1036	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
958	SV **bot, **top;	1037	SV **bot, **top;
959	AV *av = newAV (); /* return values */	1038	AV *av = newAV (); /* return values */
960	SV **cb;	1039	SV **cb;
…		…
997		1076
998	if (PL_curcop != &PL_compiling)	1077	if (PL_curcop != &PL_compiling)
999	{	1078	{
1000	SV **cb;	1079	SV **cb;
1001		1080
1002	if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB)	1081	if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB)
1003	{	1082	{
1004	PERL_CONTEXT *cx = &cxstack[cxstack_ix];	1083	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
1005		1084
1006	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)	1085	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)
1007	{	1086	{
1008	runops_proc_t old_runops = PL_runops;
1009	dSP;	1087	dSP;
1010	GV *gv = CvGV (cx->blk_sub.cv);	1088	GV *gv = CvGV (cx->blk_sub.cv);
1011	SV *fullname = sv_2mortal (newSV (0));	1089	SV *fullname = sv_2mortal (newSV (0));
1012		1090
1013	if (isGV (gv))	1091	if (isGV (gv))
…		…
1018	SAVETMPS;	1096	SAVETMPS;
1019	EXTEND (SP, 3);	1097	EXTEND (SP, 3);
1020	PUSHMARK (SP);	1098	PUSHMARK (SP);
1021	PUSHs (&PL_sv_yes);	1099	PUSHs (&PL_sv_yes);
1022	PUSHs (fullname);	1100	PUSHs (fullname);
1023	PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);	1101	PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
1024	PUTBACK;	1102	PUTBACK;
1025	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);	1103	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
1026	if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);	1104	if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
1027	SPAGAIN;	1105	SPAGAIN;
1028	FREETMPS;	1106	FREETMPS;
…		…
1031	}	1109	}
1032		1110
1033	oldcxix = cxstack_ix;	1111	oldcxix = cxstack_ix;
1034	}	1112	}
1035		1113
1036	if (cctx->flags & CC_TRACE_LINE)	1114	if (cctx_current->flags & CC_TRACE_LINE)
1037	{	1115	{
1038	dSP;	1116	dSP;
1039		1117
1040	PL_runops = RUNOPS_DEFAULT;	1118	PL_runops = RUNOPS_DEFAULT;
1041	ENTER;	1119	ENTER;
…		…
1060		1138
1061	TAINT_NOT;	1139	TAINT_NOT;
1062	return 0;	1140	return 0;
1063	}	1141	}
1064		1142
1065	static struct coro_cctx *cctx_ssl_cctx;
1066	static struct CoroSLF cctx_ssl_frame;	1143	static struct CoroSLF cctx_ssl_frame;
1067		1144
1068	static void	1145	static void
1069	slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta)	1146	slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta)
1070	{	1147	{
1071	ta->prev = (struct coro *)cctx_ssl_cctx;
1072	ta->next = 0;	1148	ta->prev = 0;
1073	}	1149	}
1074		1150
1075	static int	1151	static int
1076	slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame)	1152	slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame)
1077	{	1153	{
…		…
1080	return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */	1156	return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */
1081	}	1157	}
1082		1158
1083	/* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */	1159	/* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */
1084	static void NOINLINE	1160	static void NOINLINE
1085	cctx_prepare (pTHX_ coro_cctx *cctx)	1161	cctx_prepare (pTHX)
1086	{	1162	{
1087	PL_top_env = &PL_start_env;	1163	PL_top_env = &PL_start_env;
1088		1164
1089	if (cctx->flags & CC_TRACE)	1165	if (cctx_current->flags & CC_TRACE)
1090	PL_runops = runops_trace;	1166	PL_runops = runops_trace;
1091		1167
1092	/* we already must be executing an SLF op, there is no other valid way	1168	/* we already must be executing an SLF op, there is no other valid way
1093	* that can lead to creation of a new cctx */	1169	* that can lead to creation of a new cctx */
1094	assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)",	1170	assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)",
1095	slf_frame.prepare && PL_op->op_ppaddr == pp_slf));	1171	slf_frame.prepare && PL_op->op_ppaddr == pp_slf));
1096		1172
1097	/* we must emulate leaving pp_slf, which is done inside slf_check_set_stacklevel */	1173	/* we must emulate leaving pp_slf, which is done inside slf_check_set_stacklevel */
1098	cctx_ssl_cctx = cctx;
1099	cctx_ssl_frame = slf_frame;	1174	cctx_ssl_frame = slf_frame;
1100		1175
1101	slf_frame.prepare = slf_prepare_set_stacklevel;	1176	slf_frame.prepare = slf_prepare_set_stacklevel;
1102	slf_frame.check = slf_check_set_stacklevel;	1177	slf_frame.check = slf_check_set_stacklevel;
1103	}	1178	}
…		…
1126	/* normally we would need to skip the entersub here */	1201	/* normally we would need to skip the entersub here */
1127	/* not doing so will re-execute it, which is exactly what we want */	1202	/* not doing so will re-execute it, which is exactly what we want */
1128	/* PL_nop = PL_nop->op_next */	1203	/* PL_nop = PL_nop->op_next */
1129		1204
1130	/* inject a fake subroutine call to cctx_init */	1205	/* inject a fake subroutine call to cctx_init */
1131	cctx_prepare (aTHX_ (coro_cctx *)arg);	1206	cctx_prepare (aTHX);
1132		1207
1133	/* cctx_run is the alternative tail of transfer() */	1208	/* cctx_run is the alternative tail of transfer() */
1134	transfer_tail (aTHX);	1209	transfer_tail (aTHX);
1135		1210
1136	/* somebody or something will hit me for both perl_run and PL_restartop */	1211	/* somebody or something will hit me for both perl_run and PL_restartop */
1137	PL_restartop = PL_op;	1212	PL_restartop = PL_op;
1138	perl_run (PL_curinterp);	1213	perl_run (PL_curinterp);
		1214	/*
		1215	* Unfortunately, there is no way to get at the return values of the
		1216	* coro body here, as perl_run destroys these
		1217	*/
1139		1218
1140	/*	1219	/*
1141	* If perl-run returns we assume exit() was being called or the coro	1220	* If perl-run returns we assume exit() was being called or the coro
1142	* fell off the end, which seems to be the only valid (non-bug)	1221	* fell off the end, which seems to be the only valid (non-bug)
1143	* reason for perl_run to return. We try to exit by jumping to the	1222	* reason for perl_run to return. We try to exit by jumping to the
1144	* bootstrap-time "top" top_env, as we cannot restore the "main"	1223	* bootstrap-time "top" top_env, as we cannot restore the "main"
1145	* coroutine as Coro has no such concept	1224	* coroutine as Coro has no such concept.
		1225	* This actually isn't valid with the pthread backend, but OSes requiring
		1226	* that backend are too broken to do it in a standards-compliant way.
1146	*/	1227	*/
1147	PL_top_env = main_top_env;	1228	PL_top_env = main_top_env;
1148	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */	1229	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */
1149	}	1230	}
1150	}	1231	}
…		…
1227	cctx_destroy (coro_cctx *cctx)	1308	cctx_destroy (coro_cctx *cctx)
1228	{	1309	{
1229	if (!cctx)	1310	if (!cctx)
1230	return;	1311	return;
1231		1312
		1313	assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));//D temporary?
		1314
1232	--cctx_count;	1315	--cctx_count;
1233	coro_destroy (&cctx->cctx);	1316	coro_destroy (&cctx->cctx);
1234		1317
1235	/* coro_transfer creates new, empty cctx's */	1318	/* coro_transfer creates new, empty cctx's */
1236	if (cctx->sptr)	1319	if (cctx->sptr)
…		…
1299	/* TODO: throwing up here is considered harmful */	1382	/* TODO: throwing up here is considered harmful */
1300		1383
1301	if (expect_true (prev != next))	1384	if (expect_true (prev != next))
1302	{	1385	{
1303	if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW))))	1386	if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW))))
1304	croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states,");	1387	croak ("Coro::State::transfer called with a suspended prev Coro::State, but can only transfer from running or new states,");
1305		1388
1306	if (expect_false (next->flags & CF_RUNNING))	1389	if (expect_false (next->flags & CF_RUNNING))
1307	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states,");	1390	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states,");
1308		1391
1309	if (expect_false (next->flags & CF_DESTROYED))	1392	if (expect_false (next->flags & CF_DESTROYED))
…		…
1321	transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx)	1404	transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx)
1322	{	1405	{
1323	dSTACKLEVEL;	1406	dSTACKLEVEL;
1324		1407
1325	/* sometimes transfer is only called to set idle_sp */	1408	/* sometimes transfer is only called to set idle_sp */
1326	if (expect_false (!next))	1409	if (expect_false (!prev))
1327	{	1410	{
1328	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1411	cctx_current->idle_sp = STACKLEVEL;
1329	assert (((coro_cctx *)prev)->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */	1412	assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */
1330	}	1413	}
1331	else if (expect_true (prev != next))	1414	else if (expect_true (prev != next))
1332	{	1415	{
1333	coro_cctx *prev__cctx;	1416	coro_cctx *cctx_prev;
1334		1417
1335	if (expect_false (prev->flags & CF_NEW))	1418	if (expect_false (prev->flags & CF_NEW))
1336	{	1419	{
1337	/* create a new empty/source context */	1420	/* create a new empty/source context */
1338	prev->cctx = cctx_new_empty ();
1339	prev->flags &= ~CF_NEW;	1421	prev->flags &= ~CF_NEW;
1340	prev->flags |= CF_RUNNING;	1422	prev->flags |= CF_RUNNING;
1341	}	1423	}
1342		1424
1343	prev->flags &= ~CF_RUNNING;	1425	prev->flags &= ~CF_RUNNING;
…		…
1354	coro_setup (aTHX_ next);	1436	coro_setup (aTHX_ next);
1355	}	1437	}
1356	else	1438	else
1357	load_perl (aTHX_ next);	1439	load_perl (aTHX_ next);
1358		1440
1359	prev__cctx = prev->cctx;
1360
1361	/* possibly untie and reuse the cctx */	1441	/* possibly untie and reuse the cctx */
1362	if (expect_true (	1442	if (expect_true (
1363	prev__cctx->idle_sp == STACKLEVEL	1443	cctx_current->idle_sp == STACKLEVEL
1364	&& !(prev__cctx->flags & CC_TRACE)	1444	&& !(cctx_current->flags & CC_TRACE)
1365	&& !force_cctx	1445	&& !force_cctx
1366	))	1446	))
1367	{	1447	{
1368	/* I assume that stacklevel is a stronger indicator than PL_top_env changes */	1448	/* I assume that stacklevel is a stronger indicator than PL_top_env changes */
1369	assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == prev__cctx->idle_te));	1449	assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te));
1370		1450
1371	prev->cctx = 0;
1372
1373	/* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */	1451	/* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */
1374	/* without this the next cctx_get might destroy the prev__cctx while still in use */	1452	/* without this the next cctx_get might destroy the running cctx while still in use */
1375	if (expect_false (CCTX_EXPIRED (prev__cctx)))	1453	if (expect_false (CCTX_EXPIRED (cctx_current)))
1376	if (!next->cctx)	1454	if (expect_true (!next->cctx))
1377	next->cctx = cctx_get (aTHX);	1455	next->cctx = cctx_get (aTHX);
1378		1456
1379	cctx_put (prev__cctx);	1457	cctx_put (cctx_current);
1380	}	1458	}
		1459	else
		1460	prev->cctx = cctx_current;
1381		1461
1382	++next->usecount;	1462	++next->usecount;
1383		1463
1384	if (expect_true (!next->cctx))	1464	cctx_prev = cctx_current;
1385	next->cctx = cctx_get (aTHX);	1465	cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX);
1386		1466
1387	if (expect_false (prev__cctx != next->cctx))	1467	next->cctx = 0;
		1468
		1469	if (expect_false (cctx_prev != cctx_current))
1388	{	1470	{
1389	prev__cctx->top_env = PL_top_env;	1471	cctx_prev->top_env = PL_top_env;
1390	PL_top_env = next->cctx->top_env;	1472	PL_top_env = cctx_current->top_env;
1391	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);	1473	coro_transfer (&cctx_prev->cctx, &cctx_current->cctx);
1392	}	1474	}
1393		1475
1394	transfer_tail (aTHX);	1476	transfer_tail (aTHX);
1395	}	1477	}
1396	}	1478	}
…		…
1418	--coro_nready;	1500	--coro_nready;
1419	}	1501	}
1420	else	1502	else
1421	coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */	1503	coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */
1422		1504
1423	if (coro->mainstack && coro->mainstack != main_mainstack)	1505	if (coro->mainstack
		1506	&& coro->mainstack != main_mainstack
		1507	&& coro->slot
		1508	&& !PL_dirty)
1424	{	1509	{
1425	struct coro temp;	1510	struct coro *current = SvSTATE_current;
1426		1511
1427	assert (("FATAL: tried to destroy currently running coroutine (please report)", !(coro->flags & CF_RUNNING)));	1512	assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack));
1428		1513
1429	save_perl (aTHX_ &temp);	1514	save_perl (aTHX_ current);
1430	load_perl (aTHX_ coro);	1515	load_perl (aTHX_ coro);
1431		1516
1432	coro_destruct (aTHX_ coro);	1517	coro_destruct_perl (aTHX_ coro);
1433		1518
1434	load_perl (aTHX_ &temp);	1519	load_perl (aTHX_ current);
1435		1520
1436	coro->slot = 0;	1521	coro->slot = 0;
1437	}	1522	}
1438		1523
1439	cctx_destroy (coro->cctx);	1524	cctx_destroy (coro->cctx);
		1525	SvREFCNT_dec (coro->startcv);
1440	SvREFCNT_dec (coro->args);	1526	SvREFCNT_dec (coro->args);
		1527	SvREFCNT_dec (CORO_THROW);
1441		1528
1442	if (coro->next) coro->next->prev = coro->prev;	1529	if (coro->next) coro->next->prev = coro->prev;
1443	if (coro->prev) coro->prev->next = coro->next;	1530	if (coro->prev) coro->prev->next = coro->next;
1444	if (coro == coro_first) coro_first = coro->next;	1531	if (coro == coro_first) coro_first = coro->next;
1445		1532
…		…
1549	{	1636	{
1550	struct coro *coro;	1637	struct coro *coro;
1551	SV *sv_hook;	1638	SV *sv_hook;
1552	void (*xs_hook)(void);	1639	void (*xs_hook)(void);
1553		1640
1554	if (SvROK (coro_sv))
1555	coro_sv = SvRV (coro_sv);
1556
1557	coro = SvSTATE (coro_sv);	1641	coro = SvSTATE (coro_sv);
1558		1642
1559	if (coro->flags & CF_READY)	1643	if (coro->flags & CF_READY)
1560	return 0;	1644	return 0;
1561		1645
…		…
1592	api_is_ready (pTHX_ SV *coro_sv)	1676	api_is_ready (pTHX_ SV *coro_sv)
1593	{	1677	{
1594	return !!(SvSTATE (coro_sv)->flags & CF_READY);	1678	return !!(SvSTATE (coro_sv)->flags & CF_READY);
1595	}	1679	}
1596		1680
		1681	/* expects to own a reference to next->hv */
1597	INLINE void	1682	INLINE void
1598	prepare_schedule (pTHX_ struct coro_transfer_args *ta)	1683	prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next)
1599	{	1684	{
1600	SV *prev_sv, *next_sv;
1601
1602	for (;;)
1603	{
1604	next_sv = coro_deq (aTHX);
1605
1606	/* nothing to schedule: call the idle handler */
1607	if (expect_false (!next_sv))
1608	{
1609	dSP;
1610
1611	ENTER;
1612	SAVETMPS;
1613
1614	PUSHMARK (SP);
1615	PUTBACK;
1616	call_sv (get_sv ("Coro::idle", FALSE), G_VOID | G_DISCARD);
1617
1618	FREETMPS;
1619	LEAVE;
1620	continue;
1621	}
1622
1623	ta->next = SvSTATE_hv (next_sv);
1624
1625	/* cannot transfer to destroyed coros, skip and look for next */
1626	if (expect_false (ta->next->flags & CF_DESTROYED))
1627	{
1628	SvREFCNT_dec (next_sv);
1629	/* coro_nready has already been taken care of by destroy */
1630	continue;
1631	}
1632
1633	--coro_nready;
1634	break;
1635	}
1636
1637	/* free this only after the transfer */
1638	prev_sv = SvRV (coro_current);	1685	SV *prev_sv = SvRV (coro_current);
		1686
1639	ta->prev = SvSTATE_hv (prev_sv);	1687	ta->prev = SvSTATE_hv (prev_sv);
		1688	ta->next = next;
		1689
1640	TRANSFER_CHECK (*ta);	1690	TRANSFER_CHECK (*ta);
1641	assert (("FATAL: next coroutine isn't marked as ready in Coro (please report)", ta->next->flags & CF_READY));	1691
1642	ta->next->flags &= ~CF_READY;
1643	SvRV_set (coro_current, next_sv);	1692	SvRV_set (coro_current, (SV *)next->hv);
1644		1693
1645	free_coro_mortal (aTHX);	1694	free_coro_mortal (aTHX);
1646	coro_mortal = prev_sv;	1695	coro_mortal = prev_sv;
1647	}	1696	}
1648		1697
		1698	static void
		1699	prepare_schedule (pTHX_ struct coro_transfer_args *ta)
		1700	{
		1701	for (;;)
		1702	{
		1703	SV *next_sv = coro_deq (aTHX);
		1704
		1705	if (expect_true (next_sv))
		1706	{
		1707	struct coro *next = SvSTATE_hv (next_sv);
		1708
		1709	/* cannot transfer to destroyed coros, skip and look for next */
		1710	if (expect_false (next->flags & CF_DESTROYED))
		1711	SvREFCNT_dec (next_sv); /* coro_nready has already been taken care of by destroy */
		1712	else
		1713	{
		1714	next->flags &= ~CF_READY;
		1715	--coro_nready;
		1716
		1717	prepare_schedule_to (aTHX_ ta, next);
		1718	break;
		1719	}
		1720	}
		1721	else
		1722	{
		1723	/* nothing to schedule: call the idle handler */
		1724	if (SvROK (sv_idle)
		1725	&& SvOBJECT (SvRV (sv_idle)))
		1726	{
		1727	++coro_nready; /* hack so that api_ready doesn't invoke ready hook */
		1728	api_ready (aTHX_ SvRV (sv_idle));
		1729	--coro_nready;
		1730	}
		1731	else
		1732	{
		1733	dSP;
		1734
		1735	ENTER;
		1736	SAVETMPS;
		1737
		1738	PUSHMARK (SP);
		1739	PUTBACK;
		1740	call_sv (sv_idle, G_VOID | G_DISCARD);
		1741
		1742	FREETMPS;
		1743	LEAVE;
		1744	}
		1745	}
		1746	}
		1747	}
		1748
1649	INLINE void	1749	INLINE void
1650	prepare_cede (pTHX_ struct coro_transfer_args *ta)	1750	prepare_cede (pTHX_ struct coro_transfer_args *ta)
1651	{	1751	{
1652	api_ready (aTHX_ coro_current);	1752	api_ready (aTHX_ coro_current);
1653	prepare_schedule (aTHX_ ta);	1753	prepare_schedule (aTHX_ ta);
…		…
1672	{	1772	{
1673	struct coro_transfer_args ta;	1773	struct coro_transfer_args ta;
1674		1774
1675	prepare_schedule (aTHX_ &ta);	1775	prepare_schedule (aTHX_ &ta);
1676	TRANSFER (ta, 1);	1776	TRANSFER (ta, 1);
		1777	}
		1778
		1779	static void
		1780	api_schedule_to (pTHX_ SV *coro_sv)
		1781	{
		1782	struct coro_transfer_args ta;
		1783	struct coro *next = SvSTATE (coro_sv);
		1784
		1785	SvREFCNT_inc_NN (coro_sv);
		1786	prepare_schedule_to (aTHX_ &ta, next);
1677	}	1787	}
1678		1788
1679	static int	1789	static int
1680	api_cede (pTHX)	1790	api_cede (pTHX)
1681	{	1791	{
…		…
1710	static void	1820	static void
1711	api_trace (pTHX_ SV *coro_sv, int flags)	1821	api_trace (pTHX_ SV *coro_sv, int flags)
1712	{	1822	{
1713	struct coro *coro = SvSTATE (coro_sv);	1823	struct coro *coro = SvSTATE (coro_sv);
1714		1824
		1825	if (coro->flags & CF_RUNNING)
		1826	croak ("cannot enable tracing on a running coroutine, caught");
		1827
1715	if (flags & CC_TRACE)	1828	if (flags & CC_TRACE)
1716	{	1829	{
1717	if (!coro->cctx)	1830	if (!coro->cctx)
1718	coro->cctx = cctx_new_run ();	1831	coro->cctx = cctx_new_run ();
1719	else if (!(coro->cctx->flags & CC_TRACE))	1832	else if (!(coro->cctx->flags & CC_TRACE))
1720	croak ("cannot enable tracing on coroutine with custom stack,");	1833	croak ("cannot enable tracing on coroutine with custom stack, caught");
1721		1834
1722	coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL));	1835	coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL));
1723	}	1836	}
1724	else if (coro->cctx && coro->cctx->flags & CC_TRACE)	1837	else if (coro->cctx && coro->cctx->flags & CC_TRACE)
1725	{	1838	{
…		…
1730	else	1843	else
1731	coro->slot->runops = RUNOPS_DEFAULT;	1844	coro->slot->runops = RUNOPS_DEFAULT;
1732	}	1845	}
1733	}	1846	}
1734		1847
		1848	static void
		1849	coro_call_on_destroy (pTHX_ struct coro *coro)
		1850	{
		1851	SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0);
		1852	SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0);
		1853
		1854	if (on_destroyp)
		1855	{
		1856	AV *on_destroy = (AV *)SvRV (*on_destroyp);
		1857
		1858	while (AvFILLp (on_destroy) >= 0)
		1859	{
		1860	dSP; /* don't disturb outer sp */
		1861	SV *cb = av_pop (on_destroy);
		1862
		1863	PUSHMARK (SP);
		1864
		1865	if (statusp)
		1866	{
		1867	int i;
		1868	AV *status = (AV *)SvRV (*statusp);
		1869	EXTEND (SP, AvFILLp (status) + 1);
		1870
		1871	for (i = 0; i <= AvFILLp (status); ++i)
		1872	PUSHs (AvARRAY (status)[i]);
		1873	}
		1874
		1875	PUTBACK;
		1876	call_sv (sv_2mortal (cb), G_VOID | G_DISCARD);
		1877	}
		1878	}
		1879	}
		1880
		1881	static void
		1882	slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
		1883	{
		1884	int i;
		1885	HV *hv = (HV *)SvRV (coro_current);
		1886	AV *av = newAV ();
		1887
		1888	av_extend (av, items - 1);
		1889	for (i = 0; i < items; ++i)
		1890	av_push (av, SvREFCNT_inc_NN (arg [i]));
		1891
		1892	hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0);
		1893
		1894	av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */
		1895	api_ready (aTHX_ sv_manager);
		1896
		1897	frame->prepare = prepare_schedule;
		1898	frame->check = slf_check_repeat;
		1899
		1900	/* as a minor optimisation, we could unwind all stacks here */
		1901	/* but that puts extra pressure on pp_slf, and is not worth much */
		1902	/*coro_unwind_stacks (aTHX);*/
		1903	}
		1904
		1905	/*****************************************************************************/
		1906	/* async pool handler */
		1907
		1908	static int
		1909	slf_check_pool_handler (pTHX_ struct CoroSLF *frame)
		1910	{
		1911	HV *hv = (HV *)SvRV (coro_current);
		1912	struct coro *coro = (struct coro *)frame->data;
		1913
		1914	if (!coro->invoke_cb)
		1915	return 1; /* loop till we have invoke */
		1916	else
		1917	{
		1918	hv_store (hv, "desc", sizeof ("desc") - 1,
		1919	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
		1920
		1921	coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv);
		1922
		1923	{
		1924	dSP;
		1925	XPUSHs (sv_2mortal (coro->invoke_cb)); coro->invoke_cb = 0;
		1926	PUTBACK;
		1927	}
		1928
		1929	SvREFCNT_dec (GvAV (PL_defgv));
		1930	GvAV (PL_defgv) = coro->invoke_av;
		1931	coro->invoke_av = 0;
		1932
		1933	return 0;
		1934	}
		1935	}
		1936
		1937	static void
		1938	slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
		1939	{
		1940	HV *hv = (HV *)SvRV (coro_current);
		1941	struct coro *coro = SvSTATE_hv ((SV *)hv);
		1942
		1943	if (expect_true (coro->saved_deffh))
		1944	{
		1945	/* subsequent iteration */
		1946	SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh;
		1947	coro->saved_deffh = 0;
		1948
		1949	if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss)
		1950	|| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
		1951	{
		1952	coro->invoke_cb = SvREFCNT_inc_NN ((SV *)cv_coro_terminate);
		1953	coro->invoke_av = newAV ();
		1954
		1955	frame->prepare = prepare_nop;
		1956	}
		1957	else
		1958	{
		1959	av_clear (GvAV (PL_defgv));
		1960	hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0);
		1961
		1962	coro->prio = 0;
		1963
		1964	if (coro->cctx && (coro->cctx->flags & CC_TRACE))
		1965	api_trace (aTHX_ coro_current, 0);
		1966
		1967	frame->prepare = prepare_schedule;
		1968	av_push (av_async_pool, SvREFCNT_inc (hv));
		1969	}
		1970	}
		1971	else
		1972	{
		1973	/* first iteration, simply fall through */
		1974	frame->prepare = prepare_nop;
		1975	}
		1976
		1977	frame->check = slf_check_pool_handler;
		1978	frame->data = (void *)coro;
		1979	}
		1980
1735	/*****************************************************************************/	1981	/*****************************************************************************/
1736	/* rouse callback */	1982	/* rouse callback */
1737		1983
1738	#define CORO_MAGIC_type_rouse PERL_MAGIC_ext	1984	#define CORO_MAGIC_type_rouse PERL_MAGIC_ext
1739		1985
…		…
1744	SV *data = (SV *)GENSUB_ARG;	1990	SV *data = (SV *)GENSUB_ARG;
1745		1991
1746	if (SvTYPE (SvRV (data)) != SVt_PVAV)	1992	if (SvTYPE (SvRV (data)) != SVt_PVAV)
1747	{	1993	{
1748	/* first call, set args */	1994	/* first call, set args */
1749	int i;
1750	AV *av = newAV ();	1995	AV *av = newAV ();
1751	SV *coro = SvRV (data);	1996	SV *coro = SvRV (data);
1752		1997
1753	SvRV_set (data, (SV *)av);	1998	SvRV_set (data, (SV *)av);
1754	api_ready (aTHX_ coro);	1999	api_ready (aTHX_ coro);
…		…
1895	static void	2140	static void
1896	slf_init_schedule (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)	2141	slf_init_schedule (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
1897	{	2142	{
1898	frame->prepare = prepare_schedule;	2143	frame->prepare = prepare_schedule;
1899	frame->check = slf_check_nop;	2144	frame->check = slf_check_nop;
		2145	}
		2146
		2147	static void
		2148	slf_prepare_schedule_to (pTHX_ struct coro_transfer_args *ta)
		2149	{
		2150	struct coro *next = (struct coro *)slf_frame.data;
		2151
		2152	SvREFCNT_inc_NN (next->hv);
		2153	prepare_schedule_to (aTHX_ ta, next);
		2154	}
		2155
		2156	static void
		2157	slf_init_schedule_to (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
		2158	{
		2159	if (!items)
		2160	croak ("Coro::schedule_to expects a coroutine argument, caught");
		2161
		2162	frame->data = (void *)SvSTATE (arg [0]);
		2163	frame->prepare = slf_prepare_schedule_to;
		2164	frame->check = slf_check_nop;
		2165	}
		2166
		2167	static void
		2168	slf_init_cede_to (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
		2169	{
		2170	api_ready (aTHX_ SvRV (coro_current));
		2171
		2172	slf_init_schedule_to (aTHX_ frame, cv, arg, items);
1900	}	2173	}
1901		2174
1902	static void	2175	static void
1903	slf_init_cede (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)	2176	slf_init_cede (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
1904	{	2177	{
…		…
2050	}	2323	}
2051	else	2324	else
2052	slf_argc = 0;	2325	slf_argc = 0;
2053		2326
2054	PL_op->op_ppaddr = pp_slf;	2327	PL_op->op_ppaddr = pp_slf;
2055	PL_op->op_type = OP_CUSTOM; /* maybe we should leave it at entersub? */	2328	/*PL_op->op_type = OP_CUSTOM; /* we do behave like entersub still */
2056		2329
2057	PL_op = (OP *)&slf_restore;	2330	PL_op = (OP *)&slf_restore;
		2331	}
		2332
		2333	/*****************************************************************************/
		2334	/* dynamic wind */
		2335
		2336	static void
		2337	on_enterleave_call (pTHX_ SV *cb)
		2338	{
		2339	dSP;
		2340
		2341	PUSHSTACK;
		2342
		2343	PUSHMARK (SP);
		2344	PUTBACK;
		2345	call_sv (cb, G_VOID | G_DISCARD);
		2346	SPAGAIN;
		2347
		2348	POPSTACK;
		2349	}
		2350
		2351	static SV *
		2352	coro_avp_pop_and_free (pTHX_ AV **avp)
		2353	{
		2354	AV *av = *avp;
		2355	SV *res = av_pop (av);
		2356
		2357	if (AvFILLp (av) < 0)
		2358	{
		2359	*avp = 0;
		2360	SvREFCNT_dec (av);
		2361	}
		2362
		2363	return res;
		2364	}
		2365
		2366	static void
		2367	coro_pop_on_enter (pTHX_ void *coro)
		2368	{
		2369	SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_enter);
		2370	SvREFCNT_dec (cb);
		2371	}
		2372
		2373	static void
		2374	coro_pop_on_leave (pTHX_ void *coro)
		2375	{
		2376	SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_leave);
		2377	on_enterleave_call (aTHX_ sv_2mortal (cb));
2058	}	2378	}
2059		2379
2060	/*****************************************************************************/	2380	/*****************************************************************************/
2061	/* PerlIO::cede */	2381	/* PerlIO::cede */
2062		2382
…		…
2143	SV **ary;	2463	SV **ary;
2144		2464
2145	/* unfortunately, building manually saves memory */	2465	/* unfortunately, building manually saves memory */
2146	Newx (ary, 2, SV *);	2466	Newx (ary, 2, SV *);
2147	AvALLOC (av) = ary;	2467	AvALLOC (av) = ary;
2148	SvPV_set ((SV *)av, (char *)ary); /* 5.8.8 needs this syntax instead of AvARRAY = ary */	2468	#if PERL_VERSION_ATLEAST (5,10,0)
		2469	AvARRAY (av) = ary;
		2470	#else
		2471	/* 5.8.8 needs this syntax instead of AvARRAY = ary, yet */
		2472	/* -DDEBUGGING flags this as a bug, despite it perfectly working */
		2473	SvPVX ((SV *)av) = (char *)ary;
		2474	#endif
2149	AvMAX (av) = 1;	2475	AvMAX (av) = 1;
2150	AvFILLp (av) = 0;	2476	AvFILLp (av) = 0;
2151	ary [0] = newSViv (count);	2477	ary [0] = newSViv (count);
2152		2478
2153	return newRV_noinc ((SV *)av);	2479	return newRV_noinc ((SV *)av);
…		…
2173	AvARRAY (av)[0] = AvARRAY (av)[1];	2499	AvARRAY (av)[0] = AvARRAY (av)[1];
2174	AvARRAY (av)[1] = count_sv;	2500	AvARRAY (av)[1] = count_sv;
2175	cb = av_shift (av);	2501	cb = av_shift (av);
2176		2502
2177	if (SvOBJECT (cb))	2503	if (SvOBJECT (cb))
		2504	{
2178	api_ready (aTHX_ cb);	2505	api_ready (aTHX_ cb);
2179	else	2506	--count;
2180	croak ("callbacks not yet supported");	2507	}
		2508	else if (SvTYPE (cb) == SVt_PVCV)
		2509	{
		2510	dSP;
		2511	PUSHMARK (SP);
		2512	XPUSHs (sv_2mortal (newRV_inc ((SV *)av)));
		2513	PUTBACK;
		2514	call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR);
		2515	}
2181		2516
2182	SvREFCNT_dec (cb);	2517	SvREFCNT_dec (cb);
2183
2184	--count;
2185	}	2518	}
2186	}	2519	}
2187		2520
2188	static void	2521	static void
2189	coro_semaphore_on_destroy (pTHX_ struct coro *coro)	2522	coro_semaphore_on_destroy (pTHX_ struct coro *coro)
…		…
2271	}	2604	}
2272		2605
2273	static void	2606	static void
2274	slf_init_semaphore_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)	2607	slf_init_semaphore_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
2275	{	2608	{
		2609	if (items >= 2)
		2610	{
		2611	/* callback form */
		2612	AV *av = (AV *)SvRV (arg [0]);
		2613	CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]);
		2614
		2615	av_push (av, (SV *)SvREFCNT_inc_NN (cb_cv));
		2616
		2617	if (SvIVX (AvARRAY (av)[0]) > 0)
		2618	coro_semaphore_adjust (aTHX_ av, 0);
		2619
		2620	frame->prepare = prepare_nop;
		2621	frame->check = slf_check_nop;
		2622	}
		2623	else
		2624	{
2276	slf_init_semaphore_down_or_wait (aTHX_ frame, cv, arg, items);	2625	slf_init_semaphore_down_or_wait (aTHX_ frame, cv, arg, items);
2277	frame->check = slf_check_semaphore_wait;	2626	frame->check = slf_check_semaphore_wait;
		2627	}
2278	}	2628	}
2279		2629
2280	/* signal */	2630	/* signal */
2281		2631
2282	static void	2632	static void
…		…
2354	dXSARGS;	2704	dXSARGS;
2355	AV *state = (AV *)GENSUB_ARG;	2705	AV *state = (AV *)GENSUB_ARG;
2356	SV *coro = av_pop (state);	2706	SV *coro = av_pop (state);
2357	SV *data_sv = newSV (sizeof (struct io_state));	2707	SV *data_sv = newSV (sizeof (struct io_state));
2358		2708
2359	av_extend (state, items);	2709	av_extend (state, items - 1);
2360		2710
2361	sv_upgrade (data_sv, SVt_PV);	2711	sv_upgrade (data_sv, SVt_PV);
2362	SvCUR_set (data_sv, sizeof (struct io_state));	2712	SvCUR_set (data_sv, sizeof (struct io_state));
2363	SvPOK_only (data_sv);	2713	SvPOK_only (data_sv);
2364		2714
…		…
2499	XSRETURN_EMPTY;	2849	XSRETURN_EMPTY;
2500	}	2850	}
2501		2851
2502	/*****************************************************************************/	2852	/*****************************************************************************/
2503		2853
		2854	#if CORO_CLONE
		2855	# include "clone.c"
		2856	#endif
		2857
2504	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	2858	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
2505		2859
2506	PROTOTYPES: DISABLE	2860	PROTOTYPES: DISABLE
2507		2861
2508	BOOT:	2862	BOOT:
…		…
2512	coro_thx = PERL_GET_CONTEXT;	2866	coro_thx = PERL_GET_CONTEXT;
2513	# endif	2867	# endif
2514	#endif	2868	#endif
2515	BOOT_PAGESIZE;	2869	BOOT_PAGESIZE;
2516		2870
		2871	cctx_current = cctx_new_empty ();
		2872
2517	irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV);	2873	irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV);
2518	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO);	2874	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO);
2519		2875
2520	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;	2876	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;
2521	orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;	2877	orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;
…		…
2540		2896
2541	{	2897	{
2542	SV *slf = sv_2mortal (newSViv (PTR2IV (pp_slf)));	2898	SV *slf = sv_2mortal (newSViv (PTR2IV (pp_slf)));
2543		2899
2544	if (!PL_custom_op_names) PL_custom_op_names = newHV ();	2900	if (!PL_custom_op_names) PL_custom_op_names = newHV ();
2545	hv_store_ent (PL_custom_op_names, slf,	2901	hv_store_ent (PL_custom_op_names, slf, newSVpv ("coro_slf", 0), 0);
2546	newSVpv ("coro_slf", 0), 0);
2547		2902
2548	if (!PL_custom_op_descs) PL_custom_op_descs = newHV ();	2903	if (!PL_custom_op_descs) PL_custom_op_descs = newHV ();
2549	hv_store_ent (PL_custom_op_descs, slf,	2904	hv_store_ent (PL_custom_op_descs, slf, newSVpv ("coro schedule like function", 0), 0);
2550	newSVpv ("coro schedule like function", 0), 0);
2551	}	2905	}
2552		2906
2553	coroapi.ver = CORO_API_VERSION;	2907	coroapi.ver = CORO_API_VERSION;
2554	coroapi.rev = CORO_API_REVISION;	2908	coroapi.rev = CORO_API_REVISION;
2555		2909
…		…
2574	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	2928	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
2575	}	2929	}
2576		2930
2577	SV *	2931	SV *
2578	new (char *klass, ...)	2932	new (char *klass, ...)
		2933	ALIAS:
		2934	Coro::new = 1
2579	CODE:	2935	CODE:
2580	{	2936	{
2581	struct coro *coro;	2937	struct coro *coro;
2582	MAGIC *mg;	2938	MAGIC *mg;
2583	HV *hv;	2939	HV *hv;
		2940	CV *cb;
2584	int i;	2941	int i;
		2942
		2943	if (items > 1)
		2944	{
		2945	cb = coro_sv_2cv (aTHX_ ST (1));
		2946
		2947	if (!ix)
		2948	{
		2949	if (CvISXSUB (cb))
		2950	croak ("Coro::State doesn't support XS functions as coroutine start, caught");
		2951
		2952	if (!CvROOT (cb))
		2953	croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught");
		2954	}
		2955	}
2585		2956
2586	Newz (0, coro, 1, struct coro);	2957	Newz (0, coro, 1, struct coro);
2587	coro->args = newAV ();	2958	coro->args = newAV ();
2588	coro->flags = CF_NEW;	2959	coro->flags = CF_NEW;
2589		2960
…		…
2594	coro->hv = hv = newHV ();	2965	coro->hv = hv = newHV ();
2595	mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0);	2966	mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0);
2596	mg->mg_flags |= MGf_DUP;	2967	mg->mg_flags |= MGf_DUP;
2597	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	2968	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
2598		2969
		2970	if (items > 1)
		2971	{
2599	av_extend (coro->args, items - 1);	2972	av_extend (coro->args, items - 1 + ix - 1);
		2973
		2974	if (ix)
		2975	{
		2976	av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb));
		2977	cb = cv_coro_run;
		2978	}
		2979
		2980	coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb);
		2981
2600	for (i = 1; i < items; i++)	2982	for (i = 2; i < items; i++)
2601	av_push (coro->args, newSVsv (ST (i)));	2983	av_push (coro->args, newSVsv (ST (i)));
		2984	}
2602	}	2985	}
2603	OUTPUT:	2986	OUTPUT:
2604	RETVAL	2987	RETVAL
2605		2988
2606	void	2989	void
…		…
2619	void	3002	void
2620	_exit (int code)	3003	_exit (int code)
2621	PROTOTYPE: $	3004	PROTOTYPE: $
2622	CODE:	3005	CODE:
2623	_exit (code);	3006	_exit (code);
		3007
		3008	SV *
		3009	clone (Coro::State coro)
		3010	CODE:
		3011	{
		3012	#if CORO_CLONE
		3013	struct coro *ncoro = coro_clone (aTHX_ coro);
		3014	MAGIC *mg;
		3015	/* TODO: too much duplication */
		3016	ncoro->hv = newHV ();
		3017	mg = sv_magicext ((SV *)ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)ncoro, 0);
		3018	mg->mg_flags |= MGf_DUP;
		3019	RETVAL = sv_bless (newRV_noinc ((SV *)ncoro->hv), SvSTASH (coro->hv));
		3020	#else
		3021	croak ("Coro::State->clone has not been configured into this installation of Coro, realised");
		3022	#endif
		3023	}
		3024	OUTPUT:
		3025	RETVAL
2624		3026
2625	int	3027	int
2626	cctx_stacksize (int new_stacksize = 0)	3028	cctx_stacksize (int new_stacksize = 0)
2627	PROTOTYPE: ;$	3029	PROTOTYPE: ;$
2628	CODE:	3030	CODE:
…		…
2678	eval = 1	3080	eval = 1
2679	CODE:	3081	CODE:
2680	{	3082	{
2681	if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot))	3083	if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot))
2682	{	3084	{
2683	struct coro temp;	3085	struct coro *current = SvSTATE_current;
2684		3086
2685	if (!(coro->flags & CF_RUNNING))	3087	if (current != coro)
2686	{	3088	{
2687	PUTBACK;	3089	PUTBACK;
2688	save_perl (aTHX_ &temp);	3090	save_perl (aTHX_ current);
2689	load_perl (aTHX_ coro);	3091	load_perl (aTHX_ coro);
		3092	SPAGAIN;
2690	}	3093	}
2691		3094
2692	{
2693	dSP;
2694	ENTER;
2695	SAVETMPS;
2696	PUTBACK;
2697	PUSHSTACK;	3095	PUSHSTACK;
		3096
2698	PUSHMARK (SP);	3097	PUSHMARK (SP);
		3098	PUTBACK;
2699		3099
2700	if (ix)	3100	if (ix)
2701	eval_sv (coderef, 0);	3101	eval_sv (coderef, 0);
2702	else	3102	else
2703	call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);	3103	call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
2704		3104
		3105	SPAGAIN;
2705	POPSTACK;	3106	POPSTACK;
2706	SPAGAIN;
2707	FREETMPS;
2708	LEAVE;
2709	PUTBACK;
2710	}
2711		3107
2712	if (!(coro->flags & CF_RUNNING))	3108	if (current != coro)
2713	{	3109	{
		3110	PUTBACK;
2714	save_perl (aTHX_ coro);	3111	save_perl (aTHX_ coro);
2715	load_perl (aTHX_ &temp);	3112	load_perl (aTHX_ current);
2716	SPAGAIN;	3113	SPAGAIN;
2717	}	3114	}
2718	}	3115	}
2719	}	3116	}
2720		3117
…		…
2749		3146
2750	SV *	3147	SV *
2751	has_cctx (Coro::State coro)	3148	has_cctx (Coro::State coro)
2752	PROTOTYPE: $	3149	PROTOTYPE: $
2753	CODE:	3150	CODE:
2754	RETVAL = boolSV (!!coro->cctx);	3151	/* maybe manage the running flag differently */
		3152	RETVAL = boolSV (!!coro->cctx || (coro->flags & CF_RUNNING));
2755	OUTPUT:	3153	OUTPUT:
2756	RETVAL	3154	RETVAL
2757		3155
2758	int	3156	int
2759	is_traced (Coro::State coro)	3157	is_traced (Coro::State coro)
…		…
2779		3177
2780	void	3178	void
2781	force_cctx ()	3179	force_cctx ()
2782	PROTOTYPE:	3180	PROTOTYPE:
2783	CODE:	3181	CODE:
2784	SvSTATE_current->cctx->idle_sp = 0;	3182	cctx_current->idle_sp = 0;
2785		3183
2786	void	3184	void
2787	swap_defsv (Coro::State self)	3185	swap_defsv (Coro::State self)
2788	PROTOTYPE: $	3186	PROTOTYPE: $
2789	ALIAS:	3187	ALIAS:
…		…
2804		3202
2805	BOOT:	3203	BOOT:
2806	{	3204	{
2807	int i;	3205	int i;
2808		3206
2809	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
2810	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);	3207	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
2811	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);	3208	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
2812		3209	cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD);
		3210	cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD);
2813	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);	3211	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);
2814	SvREADONLY_on (coro_current);	3212	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
		3213	av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE);
		3214	sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE);
		3215	sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE);
		3216
		3217	sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle);
		3218	sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro);
		3219	cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler);
		3220	cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new);
2815		3221
2816	coro_stash = gv_stashpv ("Coro", TRUE);	3222	coro_stash = gv_stashpv ("Coro", TRUE);
2817		3223
2818	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	3224	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
2819	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	3225	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
…		…
2827		3233
2828	{	3234	{
2829	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);	3235	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);
2830		3236
2831	coroapi.schedule = api_schedule;	3237	coroapi.schedule = api_schedule;
		3238	coroapi.schedule_to = api_schedule_to;
2832	coroapi.cede = api_cede;	3239	coroapi.cede = api_cede;
2833	coroapi.cede_notself = api_cede_notself;	3240	coroapi.cede_notself = api_cede_notself;
2834	coroapi.ready = api_ready;	3241	coroapi.ready = api_ready;
2835	coroapi.is_ready = api_is_ready;	3242	coroapi.is_ready = api_is_ready;
2836	coroapi.nready = coro_nready;	3243	coroapi.nready = coro_nready;
…		…
2841	SvREADONLY_on (sv);	3248	SvREADONLY_on (sv);
2842	}	3249	}
2843	}	3250	}
2844		3251
2845	void	3252	void
		3253	terminate (...)
		3254	CODE:
		3255	CORO_EXECUTE_SLF_XS (slf_init_terminate);
		3256
		3257	void
2846	schedule (...)	3258	schedule (...)
2847	CODE:	3259	CODE:
2848	CORO_EXECUTE_SLF_XS (slf_init_schedule);	3260	CORO_EXECUTE_SLF_XS (slf_init_schedule);
		3261
		3262	void
		3263	schedule_to (...)
		3264	CODE:
		3265	CORO_EXECUTE_SLF_XS (slf_init_schedule_to);
		3266
		3267	void
		3268	cede_to (...)
		3269	CODE:
		3270	CORO_EXECUTE_SLF_XS (slf_init_cede_to);
2849		3271
2850	void	3272	void
2851	cede (...)	3273	cede (...)
2852	CODE:	3274	CODE:
2853	CORO_EXECUTE_SLF_XS (slf_init_cede);	3275	CORO_EXECUTE_SLF_XS (slf_init_cede);
2854		3276
2855	void	3277	void
2856	cede_notself (...)	3278	cede_notself (...)
2857	CODE:	3279	CODE:
2858	CORO_EXECUTE_SLF_XS (slf_init_cede_notself);	3280	CORO_EXECUTE_SLF_XS (slf_init_cede_notself);
		3281
		3282	void
		3283	_cancel (Coro::State self)
		3284	CODE:
		3285	coro_state_destroy (aTHX_ self);
		3286	coro_call_on_destroy (aTHX_ self);
2859		3287
2860	void	3288	void
2861	_set_current (SV *current)	3289	_set_current (SV *current)
2862	PROTOTYPE: $	3290	PROTOTYPE: $
2863	CODE:	3291	CODE:
…		…
2908	CODE:	3336	CODE:
2909	RETVAL = coro_nready;	3337	RETVAL = coro_nready;
2910	OUTPUT:	3338	OUTPUT:
2911	RETVAL	3339	RETVAL
2912		3340
2913	# for async_pool speedup
2914	void	3341	void
2915	_pool_1 (SV *cb)	3342	_pool_handler (...)
2916	CODE:	3343	CODE:
2917	{	3344	CORO_EXECUTE_SLF_XS (slf_init_pool_handler);
2918	HV *hv = (HV *)SvRV (coro_current);
2919	struct coro *coro = SvSTATE_hv ((SV *)hv);
2920	AV *defav = GvAV (PL_defgv);
2921	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
2922	AV *invoke_av;
2923	int i, len;
2924		3345
2925	if (!invoke)	3346	void
		3347	async_pool (SV *cv, ...)
		3348	PROTOTYPE: &@
		3349	PPCODE:
		3350	{
		3351	HV *hv = (HV *)av_pop (av_async_pool);
		3352	AV *av = newAV ();
		3353	SV *cb = ST (0);
		3354	int i;
		3355
		3356	av_extend (av, items - 2);
		3357	for (i = 1; i < items; ++i)
		3358	av_push (av, SvREFCNT_inc_NN (ST (i)));
		3359
		3360	if ((SV *)hv == &PL_sv_undef)
2926	{	3361	{
2927	SV *old = PL_diehook;	3362	PUSHMARK (SP);
2928	PL_diehook = 0;	3363	EXTEND (SP, 2);
2929	SvREFCNT_dec (old);	3364	PUSHs (sv_Coro);
2930	croak ("\3async_pool terminate\2\n");	3365	PUSHs ((SV *)cv_pool_handler);
		3366	PUTBACK;
		3367	call_sv ((SV *)cv_coro_state_new, G_SCALAR);
		3368	SPAGAIN;
		3369
		3370	hv = (HV *)SvREFCNT_inc_NN (SvRV (POPs));
2931	}	3371	}
2932		3372
2933	SvREFCNT_dec (coro->saved_deffh);
2934	coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv);
2935
2936	hv_store (hv, "desc", sizeof ("desc") - 1,
2937	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
2938
2939	invoke_av = (AV *)SvRV (invoke);
2940	len = av_len (invoke_av);
2941
2942	sv_setsv (cb, AvARRAY (invoke_av)[0]);
2943
2944	if (len > 0)
2945	{	3373	{
2946	av_fill (defav, len - 1);	3374	struct coro *coro = SvSTATE_hv (hv);
2947	for (i = 0; i < len; ++i)	3375
2948	av_store (defav, i, SvREFCNT_inc_NN (AvARRAY (invoke_av)[i + 1]));	3376	assert (!coro->invoke_cb);
		3377	assert (!coro->invoke_av);
		3378	coro->invoke_cb = SvREFCNT_inc (cb);
		3379	coro->invoke_av = av;
2949	}	3380	}
2950	}
2951		3381
2952	void	3382	api_ready (aTHX_ (SV *)hv);
2953	_pool_2 (SV *cb)
2954	CODE:
2955	{
2956	HV *hv = (HV *)SvRV (coro_current);
2957	struct coro *coro = SvSTATE_hv ((SV *)hv);
2958		3383
2959	sv_setsv (cb, &PL_sv_undef);	3384	if (GIMME_V != G_VOID)
2960		3385	XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv)));
2961	SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh;	3386	else
2962	coro->saved_deffh = 0;
2963
2964	if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss)
2965	|| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
2966	{
2967	SV *old = PL_diehook;
2968	PL_diehook = 0;
2969	SvREFCNT_dec (old);	3387	SvREFCNT_dec (hv);
2970	croak ("\3async_pool terminate\2\n");
2971	}
2972
2973	av_clear (GvAV (PL_defgv));
2974	hv_store (hv, "desc", sizeof ("desc") - 1,
2975	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
2976
2977	coro->prio = 0;
2978
2979	if (coro->cctx && (coro->cctx->flags & CC_TRACE))
2980	api_trace (aTHX_ coro_current, 0);
2981
2982	av_push (av_async_pool, newSVsv (coro_current));
2983	}	3388	}
2984		3389
2985	SV *	3390	SV *
2986	rouse_cb ()	3391	rouse_cb ()
2987	PROTOTYPE:	3392	PROTOTYPE:
…		…
2989	RETVAL = coro_new_rouse_cb (aTHX);	3394	RETVAL = coro_new_rouse_cb (aTHX);
2990	OUTPUT:	3395	OUTPUT:
2991	RETVAL	3396	RETVAL
2992		3397
2993	void	3398	void
2994	rouse_wait (SV *cb = 0)	3399	rouse_wait (...)
2995	PROTOTYPE: ;$	3400	PROTOTYPE: ;$
2996	PPCODE:	3401	PPCODE:
2997	CORO_EXECUTE_SLF_XS (slf_init_rouse_wait);	3402	CORO_EXECUTE_SLF_XS (slf_init_rouse_wait);
		3403
		3404	void
		3405	on_enter (SV *block)
		3406	ALIAS:
		3407	on_leave = 1
		3408	PROTOTYPE: &
		3409	CODE:
		3410	{
		3411	struct coro *coro = SvSTATE_current;
		3412	AV **avp = ix ? &coro->on_leave : &coro->on_enter;
		3413
		3414	block = (SV *)coro_sv_2cv (aTHX_ block);
		3415
		3416	if (!*avp)
		3417	*avp = newAV ();
		3418
		3419	av_push (*avp, SvREFCNT_inc (block));
		3420
		3421	if (!ix)
		3422	on_enterleave_call (aTHX_ block);
		3423
		3424	LEAVE; /* pp_entersub unfortunately forces an ENTER/LEAVE around xs calls */
		3425	SAVEDESTRUCTOR_X (ix ? coro_pop_on_leave : coro_pop_on_enter, (void *)coro);
		3426	ENTER; /* pp_entersub unfortunately forces an ENTER/LEAVE around xs calls */
		3427	}
2998		3428
2999		3429
3000	MODULE = Coro::State PACKAGE = PerlIO::cede	3430	MODULE = Coro::State PACKAGE = PerlIO::cede
3001		3431
3002	BOOT:	3432	BOOT:
…		…
3036	adjust = 1	3466	adjust = 1
3037	CODE:	3467	CODE:
3038	coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), ix ? adjust : 1);	3468	coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), ix ? adjust : 1);
3039		3469
3040	void	3470	void
3041	down (SV *self)	3471	down (...)
3042	CODE:	3472	CODE:
3043	CORO_EXECUTE_SLF_XS (slf_init_semaphore_down);	3473	CORO_EXECUTE_SLF_XS (slf_init_semaphore_down);
3044		3474
3045	void	3475	void
3046	wait (SV *self)	3476	wait (...)
3047	CODE:	3477	CODE:
3048	CORO_EXECUTE_SLF_XS (slf_init_semaphore_wait);	3478	CORO_EXECUTE_SLF_XS (slf_init_semaphore_wait);
3049		3479
3050	void	3480	void
3051	try (SV *self)	3481	try (SV *self)
…		…
3094	);	3524	);
3095	OUTPUT:	3525	OUTPUT:
3096	RETVAL	3526	RETVAL
3097		3527
3098	void	3528	void
3099	wait (SV *self)	3529	wait (...)
3100	CODE:	3530	CODE:
3101	CORO_EXECUTE_SLF_XS (slf_init_signal_wait);	3531	CORO_EXECUTE_SLF_XS (slf_init_signal_wait);
3102		3532
3103	void	3533	void
3104	broadcast (SV *self)	3534	broadcast (SV *self)
…		…
3161		3591
3162	void	3592	void
3163	_register (char *target, char *proto, SV *req)	3593	_register (char *target, char *proto, SV *req)
3164	CODE:	3594	CODE:
3165	{	3595	{
3166	HV *st;	3596	CV *req_cv = coro_sv_2cv (aTHX_ req);
3167	GV *gvp;
3168	CV *req_cv = sv_2cv (req, &st, &gvp, 0);
3169	/* newXSproto doesn't return the CV on 5.8 */	3597	/* newXSproto doesn't return the CV on 5.8 */
3170	CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__);	3598	CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__);
3171	sv_setpv ((SV *)slf_cv, proto);	3599	sv_setpv ((SV *)slf_cv, proto);
3172	sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0);	3600	sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0);
3173	}	3601	}

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