ViewVC Help

View File | Revision Log | Show Annotations | Download File

/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 1.345 by root, Wed Dec 17 04:57:07 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 */
		243	CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */
225	};	244	};
226		245
227	/* the structure where most of the perl state is stored, overlaid on the cxstack */	246	/* the structure where most of the perl state is stored, overlaid on the cxstack */
228	typedef struct	247	typedef struct
229	{	248	{
230	SV *defsv;	249	SV *defsv;
231	AV *defav;	250	AV *defav;
232	SV *errsv;	251	SV *errsv;
233	SV *irsgv;	252	SV *irsgv;
		253	HV *hinthv;
234	#define VAR(name,type) type name;	254	#define VAR(name,type) type name;
235	# include "state.h"	255	# include "state.h"
236	#undef VAR	256	#undef VAR
237	} perl_slots;	257	} perl_slots;
238		258
…		…
246	/* state data */	266	/* state data */
247	struct CoroSLF slf_frame; /* saved slf frame */	267	struct CoroSLF slf_frame; /* saved slf frame */
248	AV *mainstack;	268	AV *mainstack;
249	perl_slots *slot; /* basically the saved sp */	269	perl_slots *slot; /* basically the saved sp */
250		270
		271	CV *startcv; /* the CV to execute */
251	AV *args; /* data associated with this coroutine (initial args) */	272	AV *args; /* data associated with this coroutine (initial args) */
252	int refcnt; /* coroutines are refcounted, yes */	273	int refcnt; /* coroutines are refcounted, yes */
253	int flags; /* CF_ flags */	274	int flags; /* CF_ flags */
254	HV *hv; /* the perl hash associated with this coro, if any */	275	HV *hv; /* the perl hash associated with this coro, if any */
255	void (*on_destroy)(pTHX_ struct coro *coro);	276	void (*on_destroy)(pTHX_ struct coro *coro);
256		277
257	/* statistics */	278	/* statistics */
258	int usecount; /* number of transfers to this coro */	279	int usecount; /* number of transfers to this coro */
259		280
…		…
262	SV *except; /* exception to be thrown */	283	SV *except; /* exception to be thrown */
263	SV *rouse_cb;	284	SV *rouse_cb;
264		285
265	/* async_pool */	286	/* async_pool */
266	SV *saved_deffh;	287	SV *saved_deffh;
		288	SV *invoke_cb;
		289	AV *invoke_av;
		290
		291	/* on_enter/on_leave */
		292	AV *on_enter;
		293	AV *on_leave;
267		294
268	/* linked list */	295	/* linked list */
269	struct coro *next, *prev;	296	struct coro *next, *prev;
270	};	297	};
271		298
…		…
288		315
289	/* for Coro.pm */	316	/* for Coro.pm */
290	static SV *coro_current;	317	static SV *coro_current;
291	static SV *coro_readyhook;	318	static SV *coro_readyhook;
292	static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1];	319	static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1];
		320	static CV *cv_coro_run, *cv_coro_terminate;
293	static struct coro *coro_first;	321	static struct coro *coro_first;
294	#define coro_nready coroapi.nready	322	#define coro_nready coroapi.nready
295		323
296	/** lowlevel stuff **********************************************************/	324	/** lowlevel stuff **********************************************************/
297		325
…		…
323	get_hv (name, create);	351	get_hv (name, create);
324	#endif	352	#endif
325	return get_hv (name, create);	353	return get_hv (name, create);
326	}	354	}
327		355
		356	/* may croak */
		357	INLINE CV *
		358	coro_sv_2cv (pTHX_ SV *sv)
		359	{
		360	HV *st;
		361	GV *gvp;
		362	CV *cv = sv_2cv (sv, &st, &gvp, 0);
		363
		364	if (!cv)
		365	croak ("code reference expected");
		366
		367	return cv;
		368	}
		369
		370	/*****************************************************************************/
		371	/* magic glue */
		372
		373	#define CORO_MAGIC_type_cv 26
		374	#define CORO_MAGIC_type_state PERL_MAGIC_ext
		375
		376	#define CORO_MAGIC_NN(sv, type) \
		377	(expect_true (SvMAGIC (sv)->mg_type == type) \
		378	? SvMAGIC (sv) \
		379	: mg_find (sv, type))
		380
		381	#define CORO_MAGIC(sv, type) \
		382	(expect_true (SvMAGIC (sv)) \
		383	? CORO_MAGIC_NN (sv, type) \
		384	: 0)
		385
		386	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
		387	#define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state)
		388
		389	INLINE struct coro *
		390	SvSTATE_ (pTHX_ SV *coro)
		391	{
		392	HV *stash;
		393	MAGIC *mg;
		394
		395	if (SvROK (coro))
		396	coro = SvRV (coro);
		397
		398	if (expect_false (SvTYPE (coro) != SVt_PVHV))
		399	croak ("Coro::State object required");
		400
		401	stash = SvSTASH (coro);
		402	if (expect_false (stash != coro_stash && stash != coro_state_stash))
		403	{
		404	/* very slow, but rare, check */
		405	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
		406	croak ("Coro::State object required");
		407	}
		408
		409	mg = CORO_MAGIC_state (coro);
		410	return (struct coro *)mg->mg_ptr;
		411	}
		412
		413	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
		414
		415	/* faster than SvSTATE, but expects a coroutine hv */
		416	#define SvSTATE_hv(hv) ((struct coro *)CORO_MAGIC_NN ((SV *)hv, CORO_MAGIC_type_state)->mg_ptr)
		417	#define SvSTATE_current SvSTATE_hv (SvRV (coro_current))
		418
		419	/*****************************************************************************/
		420	/* padlist management and caching */
		421
328	static AV *	422	static AV *
329	coro_clone_padlist (pTHX_ CV *cv)	423	coro_derive_padlist (pTHX_ CV *cv)
330	{	424	{
331	AV *padlist = CvPADLIST (cv);	425	AV *padlist = CvPADLIST (cv);
332	AV *newpadlist, *newpad;	426	AV *newpadlist, *newpad;
333		427
334	newpadlist = newAV ();	428	newpadlist = newAV ();
…		…
339	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);	433	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
340	#endif	434	#endif
341	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];	435	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
342	--AvFILLp (padlist);	436	--AvFILLp (padlist);
343		437
344	av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE)));	438	av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0]));
345	av_store (newpadlist, 1, (SV *)newpad);	439	av_store (newpadlist, 1, (SV *)newpad);
346		440
347	return newpadlist;	441	return newpadlist;
348	}	442	}
349		443
350	static void	444	static void
351	free_padlist (pTHX_ AV *padlist)	445	free_padlist (pTHX_ AV *padlist)
352	{	446	{
353	/* may be during global destruction */	447	/* may be during global destruction */
354	if (SvREFCNT (padlist))	448	if (!IN_DESTRUCT)
355	{	449	{
356	I32 i = AvFILLp (padlist);	450	I32 i = AvFILLp (padlist);
357	while (i >= 0)	451
		452	while (i > 0) /* special-case index 0 */
358	{	453	{
359	SV **svp = av_fetch (padlist, i--, FALSE);	454	/* we try to be extra-careful here */
360	if (svp)	455	AV *av = (AV *)AvARRAY (padlist)[i--];
361	{	456	I32 j = AvFILLp (av);
362	SV *sv;	457
363	while (&PL_sv_undef != (sv = av_pop ((AV *)*svp)))	458	while (j >= 0)
		459	SvREFCNT_dec (AvARRAY (av)[j--]);
		460
		461	AvFILLp (av) = -1;
364	SvREFCNT_dec (sv);	462	SvREFCNT_dec (av);
365
366	SvREFCNT_dec (*svp);
367	}
368	}	463	}
369		464
		465	SvREFCNT_dec (AvARRAY (padlist)[0]);
		466
		467	AvFILLp (padlist) = -1;
370	SvREFCNT_dec ((SV*)padlist);	468	SvREFCNT_dec ((SV*)padlist);
371	}	469	}
372	}	470	}
373		471
374	static int	472	static int
…		…
383		481
384	SvREFCNT_dec (av); /* sv_magicext increased the refcount */	482	SvREFCNT_dec (av); /* sv_magicext increased the refcount */
385		483
386	return 0;	484	return 0;
387	}	485	}
388
389	#define CORO_MAGIC_type_cv 26
390	#define CORO_MAGIC_type_state PERL_MAGIC_ext
391		486
392	static MGVTBL coro_cv_vtbl = {	487	static MGVTBL coro_cv_vtbl = {
393	0, 0, 0, 0,	488	0, 0, 0, 0,
394	coro_cv_free	489	coro_cv_free
395	};	490	};
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		491
440	/* the next two functions merely cache the padlists */	492	/* the next two functions merely cache the padlists */
441	static void	493	static void
442	get_padlist (pTHX_ CV *cv)	494	get_padlist (pTHX_ CV *cv)
443	{	495	{
…		…
449	else	501	else
450	{	502	{
451	#if CORO_PREFER_PERL_FUNCTIONS	503	#if CORO_PREFER_PERL_FUNCTIONS
452	/* this is probably cleaner? but also slower! */	504	/* this is probably cleaner? but also slower! */
453	/* in practise, it seems to be less stable */	505	/* in practise, it seems to be less stable */
454	CV *cp = Perl_cv_clone (cv);	506	CV *cp = Perl_cv_clone (aTHX_ cv);
455	CvPADLIST (cv) = CvPADLIST (cp);	507	CvPADLIST (cv) = CvPADLIST (cp);
456	CvPADLIST (cp) = 0;	508	CvPADLIST (cp) = 0;
457	SvREFCNT_dec (cp);	509	SvREFCNT_dec (cp);
458	#else	510	#else
459	CvPADLIST (cv) = coro_clone_padlist (aTHX_ cv);	511	CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv);
460	#endif	512	#endif
461	}	513	}
462	}	514	}
463		515
464	static void	516	static void
…		…
471	mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);	523	mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);
472		524
473	av = (AV *)mg->mg_obj;	525	av = (AV *)mg->mg_obj;
474		526
475	if (expect_false (AvFILLp (av) >= AvMAX (av)))	527	if (expect_false (AvFILLp (av) >= AvMAX (av)))
476	av_extend (av, AvMAX (av) + 1);	528	av_extend (av, AvFILLp (av) + 1);
477		529
478	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);	530	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
479	}	531	}
480		532
481	/** load & save, init *******************************************************/	533	/** load & save, init *******************************************************/
		534
		535	static void
		536	on_enterleave_call (pTHX_ SV *cb);
482		537
483	static void	538	static void
484	load_perl (pTHX_ Coro__State c)	539	load_perl (pTHX_ Coro__State c)
485	{	540	{
486	perl_slots *slot = c->slot;	541	perl_slots *slot = c->slot;
487	c->slot = 0;	542	c->slot = 0;
488		543
489	PL_mainstack = c->mainstack;	544	PL_mainstack = c->mainstack;
490		545
491	GvSV (PL_defgv) = slot->defsv;	546	GvSV (PL_defgv) = slot->defsv;
492	GvAV (PL_defgv) = slot->defav;	547	GvAV (PL_defgv) = slot->defav;
493	GvSV (PL_errgv) = slot->errsv;	548	GvSV (PL_errgv) = slot->errsv;
494	GvSV (irsgv) = slot->irsgv;	549	GvSV (irsgv) = slot->irsgv;
		550	GvHV (PL_hintgv) = slot->hinthv;
495		551
496	#define VAR(name,type) PL_ ## name = slot->name;	552	#define VAR(name,type) PL_ ## name = slot->name;
497	# include "state.h"	553	# include "state.h"
498	#undef VAR	554	#undef VAR
499		555
…		…
513	PUTBACK;	569	PUTBACK;
514	}	570	}
515		571
516	slf_frame = c->slf_frame;	572	slf_frame = c->slf_frame;
517	CORO_THROW = c->except;	573	CORO_THROW = c->except;
		574
		575	if (expect_false (c->on_enter))
		576	{
		577	int i;
		578
		579	for (i = 0; i <= AvFILLp (c->on_enter); ++i)
		580	on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]);
		581	}
518	}	582	}
519		583
520	static void	584	static void
521	save_perl (pTHX_ Coro__State c)	585	save_perl (pTHX_ Coro__State c)
522	{	586	{
		587	if (expect_false (c->on_leave))
		588	{
		589	int i;
		590
		591	for (i = AvFILLp (c->on_leave); i >= 0; --i)
		592	on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]);
		593	}
		594
523	c->except = CORO_THROW;	595	c->except = CORO_THROW;
524	c->slf_frame = slf_frame;	596	c->slf_frame = slf_frame;
525		597
526	{	598	{
527	dSP;	599	dSP;
…		…
585	c->mainstack = PL_mainstack;	657	c->mainstack = PL_mainstack;
586		658
587	{	659	{
588	perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1);	660	perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1);
589		661
590	slot->defav = GvAV (PL_defgv);	662	slot->defav = GvAV (PL_defgv);
591	slot->defsv = DEFSV;	663	slot->defsv = DEFSV;
592	slot->errsv = ERRSV;	664	slot->errsv = ERRSV;
593	slot->irsgv = GvSV (irsgv);	665	slot->irsgv = GvSV (irsgv);
		666	slot->hinthv = GvHV (PL_hintgv);
594		667
595	#define VAR(name,type) slot->name = PL_ ## name;	668	#define VAR(name,type) slot->name = PL_ ## name;
596	# include "state.h"	669	# include "state.h"
597	#undef VAR	670	#undef VAR
598	}	671	}
…		…
603	* of perl.c:init_stacks, except that it uses less memory	676	* of perl.c:init_stacks, except that it uses less memory
604	* on the (sometimes correct) assumption that coroutines do	677	* on the (sometimes correct) assumption that coroutines do
605	* not usually need a lot of stackspace.	678	* not usually need a lot of stackspace.
606	*/	679	*/
607	#if CORO_PREFER_PERL_FUNCTIONS	680	#if CORO_PREFER_PERL_FUNCTIONS
608	# define coro_init_stacks init_stacks	681	# define coro_init_stacks(thx) init_stacks ()
609	#else	682	#else
610	static void	683	static void
611	coro_init_stacks (pTHX)	684	coro_init_stacks (pTHX)
612	{	685	{
613	PL_curstackinfo = new_stackinfo(32, 8);	686	PL_curstackinfo = new_stackinfo(32, 8);
…		…
676	#if !PERL_VERSION_ATLEAST (5,10,0)	749	#if !PERL_VERSION_ATLEAST (5,10,0)
677	Safefree (PL_retstack);	750	Safefree (PL_retstack);
678	#endif	751	#endif
679	}	752	}
680		753
		754	#define CORO_RSS \
		755	rss += sizeof (SYM (curstackinfo)); \
		756	rss += (SYM (curstackinfo->si_cxmax) + 1) * sizeof (PERL_CONTEXT); \
		757	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (SYM (curstack))) * sizeof (SV *); \
		758	rss += SYM (tmps_max) * sizeof (SV *); \
		759	rss += (SYM (markstack_max) - SYM (markstack_ptr)) * sizeof (I32); \
		760	rss += SYM (scopestack_max) * sizeof (I32); \
		761	rss += SYM (savestack_max) * sizeof (ANY);
		762
681	static size_t	763	static size_t
682	coro_rss (pTHX_ struct coro *coro)	764	coro_rss (pTHX_ struct coro *coro)
683	{	765	{
684	size_t rss = sizeof (*coro);	766	size_t rss = sizeof (*coro);
685		767
686	if (coro->mainstack)	768	if (coro->mainstack)
687	{	769	{
688	perl_slots tmp_slot;
689	perl_slots *slot;
690
691	if (coro->flags & CF_RUNNING)	770	if (coro->flags & CF_RUNNING)
692	{	771	{
693	slot = &tmp_slot;	772	#define SYM(sym) PL_ ## sym
694		773	CORO_RSS;
695	#define VAR(name,type) slot->name = PL_ ## name;
696	# include "state.h"
697	#undef VAR	774	#undef SYM
698	}	775	}
699	else	776	else
700	slot = coro->slot;
701
702	if (slot)
703	{	777	{
704	rss += sizeof (slot->curstackinfo);	778	#define SYM(sym) coro->slot->sym
705	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);	779	CORO_RSS;
706	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);	780	#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	}	781	}
716	}	782	}
717		783
718	return rss;	784	return rss;
719	}	785	}
…		…
732	#endif	798	#endif
733		799
734	/*	800	/*
735	* This overrides the default magic get method of %SIG elements.	801	* 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	802	* 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	803	* and instead of trying to save and restore the hash elements, we just provide
738	* readback here.	804	* 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	*/	805	*/
743	static int	806	static int
744	coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg)	807	coro_sigelem_get (pTHX_ SV *sv, MAGIC *mg)
745	{	808	{
746	const char *s = MgPV_nolen_const (mg);	809	const char *s = MgPV_nolen_const (mg);
…		…
799	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;	862	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
800		863
801	if (svp)	864	if (svp)
802	{	865	{
803	SV *old = *svp;	866	SV *old = *svp;
804	*svp = newSVsv (sv);	867	*svp = SvOK (sv) ? newSVsv (sv) : 0;
805	SvREFCNT_dec (old);	868	SvREFCNT_dec (old);
806	return 0;	869	return 0;
807	}	870	}
808	}	871	}
809		872
…		…
819		882
820	static int	883	static int
821	slf_check_nop (pTHX_ struct CoroSLF *frame)	884	slf_check_nop (pTHX_ struct CoroSLF *frame)
822	{	885	{
823	return 0;	886	return 0;
		887	}
		888
		889	static int
		890	slf_check_repeat (pTHX_ struct CoroSLF *frame)
		891	{
		892	return 1;
824	}	893	}
825		894
826	static UNOP coro_setup_op;	895	static UNOP coro_setup_op;
827		896
828	static void NOINLINE /* noinline to keep it out of the transfer fast path */	897	static void NOINLINE /* noinline to keep it out of the transfer fast path */
…		…
835		904
836	PL_runops = RUNOPS_DEFAULT;	905	PL_runops = RUNOPS_DEFAULT;
837	PL_curcop = &PL_compiling;	906	PL_curcop = &PL_compiling;
838	PL_in_eval = EVAL_NULL;	907	PL_in_eval = EVAL_NULL;
839	PL_comppad = 0;	908	PL_comppad = 0;
		909	PL_comppad_name = 0;
		910	PL_comppad_name_fill = 0;
		911	PL_comppad_name_floor = 0;
840	PL_curpm = 0;	912	PL_curpm = 0;
841	PL_curpad = 0;	913	PL_curpad = 0;
842	PL_localizing = 0;	914	PL_localizing = 0;
843	PL_dirty = 0;	915	PL_dirty = 0;
844	PL_restartop = 0;	916	PL_restartop = 0;
845	#if PERL_VERSION_ATLEAST (5,10,0)	917	#if PERL_VERSION_ATLEAST (5,10,0)
846	PL_parser = 0;	918	PL_parser = 0;
847	#endif	919	#endif
		920	PL_hints = 0;
848		921
849	/* recreate the die/warn hooks */	922	/* recreate the die/warn hooks */
850	PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook );	923	PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook );
851	PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook);	924	PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook);
852		925
853	GvSV (PL_defgv) = newSV (0);	926	GvSV (PL_defgv) = newSV (0);
854	GvAV (PL_defgv) = coro->args; coro->args = 0;	927	GvAV (PL_defgv) = coro->args; coro->args = 0;
855	GvSV (PL_errgv) = newSV (0);	928	GvSV (PL_errgv) = newSV (0);
856	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);	929	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
		930	GvHV (PL_hintgv) = 0;
857	PL_rs = newSVsv (GvSV (irsgv));	931	PL_rs = newSVsv (GvSV (irsgv));
858	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);	932	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);
859		933
860	{	934	{
861	dSP;	935	dSP;
862	UNOP myop;	936	UNOP myop;
863		937
864	Zero (&myop, 1, UNOP);	938	Zero (&myop, 1, UNOP);
865	myop.op_next = Nullop;	939	myop.op_next = Nullop;
		940	myop.op_type = OP_ENTERSUB;
866	myop.op_flags = OPf_WANT_VOID;	941	myop.op_flags = OPf_WANT_VOID;
867		942
868	PUSHMARK (SP);	943	PUSHMARK (SP);
869	XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv))));	944	PUSHs ((SV *)coro->startcv);
870	PUTBACK;	945	PUTBACK;
871	PL_op = (OP *)&myop;	946	PL_op = (OP *)&myop;
872	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	947	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
873	SPAGAIN;
874	}	948	}
875		949
876	/* this newly created coroutine might be run on an existing cctx which most	950	/* 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.	951	* likely was suspended in pp_slf, so we have to emulate entering pp_slf here.
878	*/	952	*/
879	slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */	953	slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */
880	slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */	954	slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */
881		955
882	/* and we have to provide the pp_slf op in any case, so pp_slf can skip it */	956	/* and we have to provide the pp_slf op in any case, so pp_slf can skip it */
883	coro_setup_op.op_next = PL_op;	957	coro_setup_op.op_next = PL_op;
884	coro_setup_op.op_type = OP_CUSTOM;	958	coro_setup_op.op_type = OP_ENTERSUB;
885	coro_setup_op.op_ppaddr = pp_slf;	959	coro_setup_op.op_ppaddr = pp_slf;
886	/* no flags required, as an init function won't be called */	960	/* no flags etc. required, as an init function won't be called */
887		961
888	PL_op = (OP *)&coro_setup_op;	962	PL_op = (OP *)&coro_setup_op;
889		963
890	/* copy throw, in case it was set before coro_setup */	964	/* copy throw, in case it was set before coro_setup */
891	CORO_THROW = coro->except;	965	CORO_THROW = coro->except;
892	}	966	}
893		967
894	static void	968	static void
895	coro_destruct (pTHX_ struct coro *coro)	969	coro_unwind_stacks (pTHX)
896	{	970	{
897	if (!IN_DESTRUCT)	971	if (!IN_DESTRUCT)
898	{	972	{
899	/* restore all saved variables and stuff */	973	/* restore all saved variables and stuff */
900	LEAVE_SCOPE (0);	974	LEAVE_SCOPE (0);
…		…
908	POPSTACK_TO (PL_mainstack);	982	POPSTACK_TO (PL_mainstack);
909		983
910	/* unwind main stack */	984	/* unwind main stack */
911	dounwind (-1);	985	dounwind (-1);
912	}	986	}
		987	}
		988
		989	static void
		990	coro_destruct_perl (pTHX_ struct coro *coro)
		991	{
		992	coro_unwind_stacks (aTHX);
913		993
914	SvREFCNT_dec (GvSV (PL_defgv));	994	SvREFCNT_dec (GvSV (PL_defgv));
915	SvREFCNT_dec (GvAV (PL_defgv));	995	SvREFCNT_dec (GvAV (PL_defgv));
916	SvREFCNT_dec (GvSV (PL_errgv));	996	SvREFCNT_dec (GvSV (PL_errgv));
917	SvREFCNT_dec (PL_defoutgv);	997	SvREFCNT_dec (PL_defoutgv);
918	SvREFCNT_dec (PL_rs);	998	SvREFCNT_dec (PL_rs);
919	SvREFCNT_dec (GvSV (irsgv));	999	SvREFCNT_dec (GvSV (irsgv));
		1000	SvREFCNT_dec (GvHV (PL_hintgv));
920		1001
921	SvREFCNT_dec (PL_diehook);	1002	SvREFCNT_dec (PL_diehook);
922	SvREFCNT_dec (PL_warnhook);	1003	SvREFCNT_dec (PL_warnhook);
923		1004
924	SvREFCNT_dec (CORO_THROW);
925	SvREFCNT_dec (coro->saved_deffh);	1005	SvREFCNT_dec (coro->saved_deffh);
926	SvREFCNT_dec (coro->rouse_cb);	1006	SvREFCNT_dec (coro->rouse_cb);
		1007	SvREFCNT_dec (coro->invoke_cb);
		1008	SvREFCNT_dec (coro->invoke_av);
927		1009
928	coro_destruct_stacks (aTHX);	1010	coro_destruct_stacks (aTHX);
929	}	1011	}
930		1012
931	INLINE void	1013	INLINE void
…		…
941	static int	1023	static int
942	runops_trace (pTHX)	1024	runops_trace (pTHX)
943	{	1025	{
944	COP *oldcop = 0;	1026	COP *oldcop = 0;
945	int oldcxix = -2;	1027	int oldcxix = -2;
946	struct coro *coro = SvSTATE_current; /* trace cctx is tied to specific coro */
947	coro_cctx *cctx = coro->cctx;
948		1028
949	while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))	1029	while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))
950	{	1030	{
951	PERL_ASYNC_CHECK ();	1031	PERL_ASYNC_CHECK ();
952		1032
953	if (cctx->flags & CC_TRACE_ALL)	1033	if (cctx_current->flags & CC_TRACE_ALL)
954	{	1034	{
955	if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB)	1035	if (PL_op->op_type == OP_LEAVESUB && cctx_current->flags & CC_TRACE_SUB)
956	{	1036	{
957	PERL_CONTEXT *cx = &cxstack[cxstack_ix];	1037	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
958	SV **bot, **top;	1038	SV **bot, **top;
959	AV *av = newAV (); /* return values */	1039	AV *av = newAV (); /* return values */
960	SV **cb;	1040	SV **cb;
…		…
997		1077
998	if (PL_curcop != &PL_compiling)	1078	if (PL_curcop != &PL_compiling)
999	{	1079	{
1000	SV **cb;	1080	SV **cb;
1001		1081
1002	if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB)	1082	if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB)
1003	{	1083	{
1004	PERL_CONTEXT *cx = &cxstack[cxstack_ix];	1084	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
1005		1085
1006	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)	1086	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)
1007	{	1087	{
1008	runops_proc_t old_runops = PL_runops;
1009	dSP;	1088	dSP;
1010	GV *gv = CvGV (cx->blk_sub.cv);	1089	GV *gv = CvGV (cx->blk_sub.cv);
1011	SV *fullname = sv_2mortal (newSV (0));	1090	SV *fullname = sv_2mortal (newSV (0));
1012		1091
1013	if (isGV (gv))	1092	if (isGV (gv))
…		…
1018	SAVETMPS;	1097	SAVETMPS;
1019	EXTEND (SP, 3);	1098	EXTEND (SP, 3);
1020	PUSHMARK (SP);	1099	PUSHMARK (SP);
1021	PUSHs (&PL_sv_yes);	1100	PUSHs (&PL_sv_yes);
1022	PUSHs (fullname);	1101	PUSHs (fullname);
1023	PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);	1102	PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
1024	PUTBACK;	1103	PUTBACK;
1025	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);	1104	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);	1105	if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
1027	SPAGAIN;	1106	SPAGAIN;
1028	FREETMPS;	1107	FREETMPS;
…		…
1031	}	1110	}
1032		1111
1033	oldcxix = cxstack_ix;	1112	oldcxix = cxstack_ix;
1034	}	1113	}
1035		1114
1036	if (cctx->flags & CC_TRACE_LINE)	1115	if (cctx_current->flags & CC_TRACE_LINE)
1037	{	1116	{
1038	dSP;	1117	dSP;
1039		1118
1040	PL_runops = RUNOPS_DEFAULT;	1119	PL_runops = RUNOPS_DEFAULT;
1041	ENTER;	1120	ENTER;
…		…
1060		1139
1061	TAINT_NOT;	1140	TAINT_NOT;
1062	return 0;	1141	return 0;
1063	}	1142	}
1064		1143
1065	static struct coro_cctx *cctx_ssl_cctx;
1066	static struct CoroSLF cctx_ssl_frame;	1144	static struct CoroSLF cctx_ssl_frame;
1067		1145
1068	static void	1146	static void
1069	slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta)	1147	slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta)
1070	{	1148	{
1071	ta->prev = (struct coro *)cctx_ssl_cctx;
1072	ta->next = 0;	1149	ta->prev = 0;
1073	}	1150	}
1074		1151
1075	static int	1152	static int
1076	slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame)	1153	slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame)
1077	{	1154	{
…		…
1080	return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */	1157	return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */
1081	}	1158	}
1082		1159
1083	/* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */	1160	/* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */
1084	static void NOINLINE	1161	static void NOINLINE
1085	cctx_prepare (pTHX_ coro_cctx *cctx)	1162	cctx_prepare (pTHX)
1086	{	1163	{
1087	PL_top_env = &PL_start_env;	1164	PL_top_env = &PL_start_env;
1088		1165
1089	if (cctx->flags & CC_TRACE)	1166	if (cctx_current->flags & CC_TRACE)
1090	PL_runops = runops_trace;	1167	PL_runops = runops_trace;
1091		1168
1092	/* we already must be executing an SLF op, there is no other valid way	1169	/* we already must be executing an SLF op, there is no other valid way
1093	* that can lead to creation of a new cctx */	1170	* that can lead to creation of a new cctx */
1094	assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)",	1171	assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)",
1095	slf_frame.prepare && PL_op->op_ppaddr == pp_slf));	1172	slf_frame.prepare && PL_op->op_ppaddr == pp_slf));
1096		1173
1097	/* we must emulate leaving pp_slf, which is done inside slf_check_set_stacklevel */	1174	/* we must emulate leaving pp_slf, which is done inside slf_check_set_stacklevel */
1098	cctx_ssl_cctx = cctx;
1099	cctx_ssl_frame = slf_frame;	1175	cctx_ssl_frame = slf_frame;
1100		1176
1101	slf_frame.prepare = slf_prepare_set_stacklevel;	1177	slf_frame.prepare = slf_prepare_set_stacklevel;
1102	slf_frame.check = slf_check_set_stacklevel;	1178	slf_frame.check = slf_check_set_stacklevel;
1103	}	1179	}
…		…
1126	/* normally we would need to skip the entersub here */	1202	/* normally we would need to skip the entersub here */
1127	/* not doing so will re-execute it, which is exactly what we want */	1203	/* not doing so will re-execute it, which is exactly what we want */
1128	/* PL_nop = PL_nop->op_next */	1204	/* PL_nop = PL_nop->op_next */
1129		1205
1130	/* inject a fake subroutine call to cctx_init */	1206	/* inject a fake subroutine call to cctx_init */
1131	cctx_prepare (aTHX_ (coro_cctx *)arg);	1207	cctx_prepare (aTHX);
1132		1208
1133	/* cctx_run is the alternative tail of transfer() */	1209	/* cctx_run is the alternative tail of transfer() */
1134	transfer_tail (aTHX);	1210	transfer_tail (aTHX);
1135		1211
1136	/* somebody or something will hit me for both perl_run and PL_restartop */	1212	/* somebody or something will hit me for both perl_run and PL_restartop */
1137	PL_restartop = PL_op;	1213	PL_restartop = PL_op;
1138	perl_run (PL_curinterp);	1214	perl_run (PL_curinterp);
		1215	/*
		1216	* Unfortunately, there is no way to get at the return values of the
		1217	* coro body here, as perl_run destroys these
		1218	*/
1139		1219
1140	/*	1220	/*
1141	* If perl-run returns we assume exit() was being called or the coro	1221	* If perl-run returns we assume exit() was being called or the coro
1142	* fell off the end, which seems to be the only valid (non-bug)	1222	* fell off the end, which seems to be the only valid (non-bug)
1143	* reason for perl_run to return. We try to exit by jumping to the	1223	* reason for perl_run to return. We try to exit by jumping to the
1144	* bootstrap-time "top" top_env, as we cannot restore the "main"	1224	* bootstrap-time "top" top_env, as we cannot restore the "main"
1145	* coroutine as Coro has no such concept	1225	* coroutine as Coro has no such concept.
		1226	* This actually isn't valid with the pthread backend, but OSes requiring
		1227	* that backend are too broken to do it in a standards-compliant way.
1146	*/	1228	*/
1147	PL_top_env = main_top_env;	1229	PL_top_env = main_top_env;
1148	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */	1230	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */
1149	}	1231	}
1150	}	1232	}
…		…
1227	cctx_destroy (coro_cctx *cctx)	1309	cctx_destroy (coro_cctx *cctx)
1228	{	1310	{
1229	if (!cctx)	1311	if (!cctx)
1230	return;	1312	return;
1231		1313
		1314	assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));//D temporary?
		1315
1232	--cctx_count;	1316	--cctx_count;
1233	coro_destroy (&cctx->cctx);	1317	coro_destroy (&cctx->cctx);
1234		1318
1235	/* coro_transfer creates new, empty cctx's */	1319	/* coro_transfer creates new, empty cctx's */
1236	if (cctx->sptr)	1320	if (cctx->sptr)
…		…
1299	/* TODO: throwing up here is considered harmful */	1383	/* TODO: throwing up here is considered harmful */
1300		1384
1301	if (expect_true (prev != next))	1385	if (expect_true (prev != next))
1302	{	1386	{
1303	if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW))))	1387	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,");	1388	croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,");
1305		1389
1306	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,");
1308
1309	if (expect_false (next->flags & CF_DESTROYED))	1390	if (expect_false (next->flags & (CF_RUNNING | CF_DESTROYED | CF_SUSPENDED)))
1310	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states,");	1391	croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,");
1311		1392
1312	#if !PERL_VERSION_ATLEAST (5,10,0)	1393	#if !PERL_VERSION_ATLEAST (5,10,0)
1313	if (expect_false (PL_lex_state != LEX_NOTPARSING))	1394	if (expect_false (PL_lex_state != LEX_NOTPARSING))
1314	croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,");	1395	croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,");
1315	#endif	1396	#endif
…		…
1321	transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx)	1402	transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx)
1322	{	1403	{
1323	dSTACKLEVEL;	1404	dSTACKLEVEL;
1324		1405
1325	/* sometimes transfer is only called to set idle_sp */	1406	/* sometimes transfer is only called to set idle_sp */
1326	if (expect_false (!next))	1407	if (expect_false (!prev))
1327	{	1408	{
1328	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1409	cctx_current->idle_sp = STACKLEVEL;
1329	assert (((coro_cctx *)prev)->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */	1410	assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */
1330	}	1411	}
1331	else if (expect_true (prev != next))	1412	else if (expect_true (prev != next))
1332	{	1413	{
1333	coro_cctx *prev__cctx;	1414	coro_cctx *cctx_prev;
1334		1415
1335	if (expect_false (prev->flags & CF_NEW))	1416	if (expect_false (prev->flags & CF_NEW))
1336	{	1417	{
1337	/* create a new empty/source context */	1418	/* create a new empty/source context */
1338	prev->cctx = cctx_new_empty ();
1339	prev->flags &= ~CF_NEW;	1419	prev->flags &= ~CF_NEW;
1340	prev->flags |= CF_RUNNING;	1420	prev->flags |= CF_RUNNING;
1341	}	1421	}
1342		1422
1343	prev->flags &= ~CF_RUNNING;	1423	prev->flags &= ~CF_RUNNING;
…		…
1354	coro_setup (aTHX_ next);	1434	coro_setup (aTHX_ next);
1355	}	1435	}
1356	else	1436	else
1357	load_perl (aTHX_ next);	1437	load_perl (aTHX_ next);
1358		1438
1359	prev__cctx = prev->cctx;
1360
1361	/* possibly untie and reuse the cctx */	1439	/* possibly untie and reuse the cctx */
1362	if (expect_true (	1440	if (expect_true (
1363	prev__cctx->idle_sp == STACKLEVEL	1441	cctx_current->idle_sp == STACKLEVEL
1364	&& !(prev__cctx->flags & CC_TRACE)	1442	&& !(cctx_current->flags & CC_TRACE)
1365	&& !force_cctx	1443	&& !force_cctx
1366	))	1444	))
1367	{	1445	{
1368	/* I assume that stacklevel is a stronger indicator than PL_top_env changes */	1446	/* I assume that stacklevel is a stronger indicator than PL_top_env changes */
1369	assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == prev__cctx->idle_te));	1447	assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te));
1370		1448
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 */	1449	/* 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 */	1450	/* without this the next cctx_get might destroy the running cctx while still in use */
1375	if (expect_false (CCTX_EXPIRED (prev__cctx)))	1451	if (expect_false (CCTX_EXPIRED (cctx_current)))
1376	if (!next->cctx)	1452	if (expect_true (!next->cctx))
1377	next->cctx = cctx_get (aTHX);	1453	next->cctx = cctx_get (aTHX);
1378		1454
1379	cctx_put (prev__cctx);	1455	cctx_put (cctx_current);
1380	}	1456	}
		1457	else
		1458	prev->cctx = cctx_current;
1381		1459
1382	++next->usecount;	1460	++next->usecount;
1383		1461
1384	if (expect_true (!next->cctx))	1462	cctx_prev = cctx_current;
1385	next->cctx = cctx_get (aTHX);	1463	cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX);
1386		1464
1387	if (expect_false (prev__cctx != next->cctx))	1465	next->cctx = 0;
		1466
		1467	if (expect_false (cctx_prev != cctx_current))
1388	{	1468	{
1389	prev__cctx->top_env = PL_top_env;	1469	cctx_prev->top_env = PL_top_env;
1390	PL_top_env = next->cctx->top_env;	1470	PL_top_env = cctx_current->top_env;
1391	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);	1471	coro_transfer (&cctx_prev->cctx, &cctx_current->cctx);
1392	}	1472	}
1393		1473
1394	transfer_tail (aTHX);	1474	transfer_tail (aTHX);
1395	}	1475	}
1396	}	1476	}
…		…
1404	coro_state_destroy (pTHX_ struct coro *coro)	1484	coro_state_destroy (pTHX_ struct coro *coro)
1405	{	1485	{
1406	if (coro->flags & CF_DESTROYED)	1486	if (coro->flags & CF_DESTROYED)
1407	return 0;	1487	return 0;
1408		1488
1409	if (coro->on_destroy)	1489	if (coro->on_destroy && !PL_dirty)
1410	coro->on_destroy (aTHX_ coro);	1490	coro->on_destroy (aTHX_ coro);
1411		1491
1412	coro->flags |= CF_DESTROYED;	1492	coro->flags |= CF_DESTROYED;
1413		1493
1414	if (coro->flags & CF_READY)	1494	if (coro->flags & CF_READY)
…		…
1418	--coro_nready;	1498	--coro_nready;
1419	}	1499	}
1420	else	1500	else
1421	coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */	1501	coro->flags |= CF_READY; /* make sure it is NOT put into the readyqueue */
1422		1502
1423	if (coro->mainstack && coro->mainstack != main_mainstack)	1503	if (coro->mainstack
		1504	&& coro->mainstack != main_mainstack
		1505	&& coro->slot
		1506	&& !PL_dirty)
1424	{	1507	{
1425	struct coro temp;	1508	struct coro *current = SvSTATE_current;
1426		1509
1427	assert (("FATAL: tried to destroy currently running coroutine (please report)", !(coro->flags & CF_RUNNING)));	1510	assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack));
1428		1511
1429	save_perl (aTHX_ &temp);	1512	save_perl (aTHX_ current);
1430	load_perl (aTHX_ coro);	1513	load_perl (aTHX_ coro);
1431		1514
1432	coro_destruct (aTHX_ coro);	1515	coro_destruct_perl (aTHX_ coro);
1433		1516
1434	load_perl (aTHX_ &temp);	1517	load_perl (aTHX_ current);
1435		1518
1436	coro->slot = 0;	1519	coro->slot = 0;
1437	}	1520	}
1438		1521
1439	cctx_destroy (coro->cctx);	1522	cctx_destroy (coro->cctx);
		1523	SvREFCNT_dec (coro->startcv);
1440	SvREFCNT_dec (coro->args);	1524	SvREFCNT_dec (coro->args);
		1525	SvREFCNT_dec (CORO_THROW);
1441		1526
1442	if (coro->next) coro->next->prev = coro->prev;	1527	if (coro->next) coro->next->prev = coro->prev;
1443	if (coro->prev) coro->prev->next = coro->next;	1528	if (coro->prev) coro->prev->next = coro->next;
1444	if (coro == coro_first) coro_first = coro->next;	1529	if (coro == coro_first) coro_first = coro->next;
1445		1530
…		…
1549	{	1634	{
1550	struct coro *coro;	1635	struct coro *coro;
1551	SV *sv_hook;	1636	SV *sv_hook;
1552	void (*xs_hook)(void);	1637	void (*xs_hook)(void);
1553		1638
1554	if (SvROK (coro_sv))
1555	coro_sv = SvRV (coro_sv);
1556
1557	coro = SvSTATE (coro_sv);	1639	coro = SvSTATE (coro_sv);
1558		1640
1559	if (coro->flags & CF_READY)	1641	if (coro->flags & CF_READY)
1560	return 0;	1642	return 0;
1561		1643
…		…
1592	api_is_ready (pTHX_ SV *coro_sv)	1674	api_is_ready (pTHX_ SV *coro_sv)
1593	{	1675	{
1594	return !!(SvSTATE (coro_sv)->flags & CF_READY);	1676	return !!(SvSTATE (coro_sv)->flags & CF_READY);
1595	}	1677	}
1596		1678
		1679	/* expects to own a reference to next->hv */
1597	INLINE void	1680	INLINE void
1598	prepare_schedule (pTHX_ struct coro_transfer_args *ta)	1681	prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next)
1599	{	1682	{
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);	1683	SV *prev_sv = SvRV (coro_current);
		1684
1639	ta->prev = SvSTATE_hv (prev_sv);	1685	ta->prev = SvSTATE_hv (prev_sv);
		1686	ta->next = next;
		1687
1640	TRANSFER_CHECK (*ta);	1688	TRANSFER_CHECK (*ta);
1641	assert (("FATAL: next coroutine isn't marked as ready in Coro (please report)", ta->next->flags & CF_READY));	1689
1642	ta->next->flags &= ~CF_READY;
1643	SvRV_set (coro_current, next_sv);	1690	SvRV_set (coro_current, (SV *)next->hv);
1644		1691
1645	free_coro_mortal (aTHX);	1692	free_coro_mortal (aTHX);
1646	coro_mortal = prev_sv;	1693	coro_mortal = prev_sv;
1647	}	1694	}
1648		1695
		1696	static void
		1697	prepare_schedule (pTHX_ struct coro_transfer_args *ta)
		1698	{
		1699	for (;;)
		1700	{
		1701	SV *next_sv = coro_deq (aTHX);
		1702
		1703	if (expect_true (next_sv))
		1704	{
		1705	struct coro *next = SvSTATE_hv (next_sv);
		1706
		1707	/* cannot transfer to destroyed coros, skip and look for next */
		1708	if (expect_false (next->flags & (CF_DESTROYED | CF_SUSPENDED)))
		1709	SvREFCNT_dec (next_sv); /* coro_nready has already been taken care of by destroy */
		1710	else
		1711	{
		1712	next->flags &= ~CF_READY;
		1713	--coro_nready;
		1714
		1715	prepare_schedule_to (aTHX_ ta, next);
		1716	break;
		1717	}
		1718	}
		1719	else
		1720	{
		1721	/* nothing to schedule: call the idle handler */
		1722	if (SvROK (sv_idle)
		1723	&& SvOBJECT (SvRV (sv_idle)))
		1724	{
		1725	++coro_nready; /* hack so that api_ready doesn't invoke ready hook */
		1726	api_ready (aTHX_ SvRV (sv_idle));
		1727	--coro_nready;
		1728	}
		1729	else
		1730	{
		1731	dSP;
		1732
		1733	ENTER;
		1734	SAVETMPS;
		1735
		1736	PUSHMARK (SP);
		1737	PUTBACK;
		1738	call_sv (sv_idle, G_VOID | G_DISCARD);
		1739
		1740	FREETMPS;
		1741	LEAVE;
		1742	}
		1743	}
		1744	}
		1745	}
		1746
1649	INLINE void	1747	INLINE void
1650	prepare_cede (pTHX_ struct coro_transfer_args *ta)	1748	prepare_cede (pTHX_ struct coro_transfer_args *ta)
1651	{	1749	{
1652	api_ready (aTHX_ coro_current);	1750	api_ready (aTHX_ coro_current);
1653	prepare_schedule (aTHX_ ta);	1751	prepare_schedule (aTHX_ ta);
…		…
1672	{	1770	{
1673	struct coro_transfer_args ta;	1771	struct coro_transfer_args ta;
1674		1772
1675	prepare_schedule (aTHX_ &ta);	1773	prepare_schedule (aTHX_ &ta);
1676	TRANSFER (ta, 1);	1774	TRANSFER (ta, 1);
		1775	}
		1776
		1777	static void
		1778	api_schedule_to (pTHX_ SV *coro_sv)
		1779	{
		1780	struct coro_transfer_args ta;
		1781	struct coro *next = SvSTATE (coro_sv);
		1782
		1783	SvREFCNT_inc_NN (coro_sv);
		1784	prepare_schedule_to (aTHX_ &ta, next);
1677	}	1785	}
1678		1786
1679	static int	1787	static int
1680	api_cede (pTHX)	1788	api_cede (pTHX)
1681	{	1789	{
…		…
1710	static void	1818	static void
1711	api_trace (pTHX_ SV *coro_sv, int flags)	1819	api_trace (pTHX_ SV *coro_sv, int flags)
1712	{	1820	{
1713	struct coro *coro = SvSTATE (coro_sv);	1821	struct coro *coro = SvSTATE (coro_sv);
1714		1822
		1823	if (coro->flags & CF_RUNNING)
		1824	croak ("cannot enable tracing on a running coroutine, caught");
		1825
1715	if (flags & CC_TRACE)	1826	if (flags & CC_TRACE)
1716	{	1827	{
1717	if (!coro->cctx)	1828	if (!coro->cctx)
1718	coro->cctx = cctx_new_run ();	1829	coro->cctx = cctx_new_run ();
1719	else if (!(coro->cctx->flags & CC_TRACE))	1830	else if (!(coro->cctx->flags & CC_TRACE))
1720	croak ("cannot enable tracing on coroutine with custom stack,");	1831	croak ("cannot enable tracing on coroutine with custom stack, caught");
1721		1832
1722	coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL));	1833	coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL));
1723	}	1834	}
1724	else if (coro->cctx && coro->cctx->flags & CC_TRACE)	1835	else if (coro->cctx && coro->cctx->flags & CC_TRACE)
1725	{	1836	{
…		…
1730	else	1841	else
1731	coro->slot->runops = RUNOPS_DEFAULT;	1842	coro->slot->runops = RUNOPS_DEFAULT;
1732	}	1843	}
1733	}	1844	}
1734		1845
		1846	static void
		1847	coro_call_on_destroy (pTHX_ struct coro *coro)
		1848	{
		1849	SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0);
		1850	SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0);
		1851
		1852	if (on_destroyp)
		1853	{
		1854	AV *on_destroy = (AV *)SvRV (*on_destroyp);
		1855
		1856	while (AvFILLp (on_destroy) >= 0)
		1857	{
		1858	dSP; /* don't disturb outer sp */
		1859	SV *cb = av_pop (on_destroy);
		1860
		1861	PUSHMARK (SP);
		1862
		1863	if (statusp)
		1864	{
		1865	int i;
		1866	AV *status = (AV *)SvRV (*statusp);
		1867	EXTEND (SP, AvFILLp (status) + 1);
		1868
		1869	for (i = 0; i <= AvFILLp (status); ++i)
		1870	PUSHs (AvARRAY (status)[i]);
		1871	}
		1872
		1873	PUTBACK;
		1874	call_sv (sv_2mortal (cb), G_VOID | G_DISCARD);
		1875	}
		1876	}
		1877	}
		1878
		1879	static void
		1880	slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
		1881	{
		1882	int i;
		1883	HV *hv = (HV *)SvRV (coro_current);
		1884	AV *av = newAV ();
		1885
		1886	av_extend (av, items - 1);
		1887	for (i = 0; i < items; ++i)
		1888	av_push (av, SvREFCNT_inc_NN (arg [i]));
		1889
		1890	hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0);
		1891
		1892	av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */
		1893	api_ready (aTHX_ sv_manager);
		1894
		1895	frame->prepare = prepare_schedule;
		1896	frame->check = slf_check_repeat;
		1897
		1898	/* as a minor optimisation, we could unwind all stacks here */
		1899	/* but that puts extra pressure on pp_slf, and is not worth much */
		1900	/*coro_unwind_stacks (aTHX);*/
		1901	}
		1902
		1903	/*****************************************************************************/
		1904	/* async pool handler */
		1905
		1906	static int
		1907	slf_check_pool_handler (pTHX_ struct CoroSLF *frame)
		1908	{
		1909	HV *hv = (HV *)SvRV (coro_current);
		1910	struct coro *coro = (struct coro *)frame->data;
		1911
		1912	if (!coro->invoke_cb)
		1913	return 1; /* loop till we have invoke */
		1914	else
		1915	{
		1916	hv_store (hv, "desc", sizeof ("desc") - 1,
		1917	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
		1918
		1919	coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv);
		1920
		1921	{
		1922	dSP;
		1923	XPUSHs (sv_2mortal (coro->invoke_cb)); coro->invoke_cb = 0;
		1924	PUTBACK;
		1925	}
		1926
		1927	SvREFCNT_dec (GvAV (PL_defgv));
		1928	GvAV (PL_defgv) = coro->invoke_av;
		1929	coro->invoke_av = 0;
		1930
		1931	return 0;
		1932	}
		1933	}
		1934
		1935	static void
		1936	slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
		1937	{
		1938	HV *hv = (HV *)SvRV (coro_current);
		1939	struct coro *coro = SvSTATE_hv ((SV *)hv);
		1940
		1941	if (expect_true (coro->saved_deffh))
		1942	{
		1943	/* subsequent iteration */
		1944	SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh;
		1945	coro->saved_deffh = 0;
		1946
		1947	if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss)
		1948	|| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
		1949	{
		1950	coro->invoke_cb = SvREFCNT_inc_NN ((SV *)cv_coro_terminate);
		1951	coro->invoke_av = newAV ();
		1952
		1953	frame->prepare = prepare_nop;
		1954	}
		1955	else
		1956	{
		1957	av_clear (GvAV (PL_defgv));
		1958	hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0);
		1959
		1960	coro->prio = 0;
		1961
		1962	if (coro->cctx && (coro->cctx->flags & CC_TRACE))
		1963	api_trace (aTHX_ coro_current, 0);
		1964
		1965	frame->prepare = prepare_schedule;
		1966	av_push (av_async_pool, SvREFCNT_inc (hv));
		1967	}
		1968	}
		1969	else
		1970	{
		1971	/* first iteration, simply fall through */
		1972	frame->prepare = prepare_nop;
		1973	}
		1974
		1975	frame->check = slf_check_pool_handler;
		1976	frame->data = (void *)coro;
		1977	}
		1978
1735	/*****************************************************************************/	1979	/*****************************************************************************/
1736	/* rouse callback */	1980	/* rouse callback */
1737		1981
1738	#define CORO_MAGIC_type_rouse PERL_MAGIC_ext	1982	#define CORO_MAGIC_type_rouse PERL_MAGIC_ext
1739		1983
…		…
1744	SV *data = (SV *)GENSUB_ARG;	1988	SV *data = (SV *)GENSUB_ARG;
1745		1989
1746	if (SvTYPE (SvRV (data)) != SVt_PVAV)	1990	if (SvTYPE (SvRV (data)) != SVt_PVAV)
1747	{	1991	{
1748	/* first call, set args */	1992	/* first call, set args */
1749	int i;
1750	AV *av = newAV ();	1993	AV *av = newAV ();
1751	SV *coro = SvRV (data);	1994	SV *coro = SvRV (data);
1752		1995
1753	SvRV_set (data, (SV *)av);	1996	SvRV_set (data, (SV *)av);
1754	api_ready (aTHX_ coro);	1997	api_ready (aTHX_ coro);
…		…
1895	static void	2138	static void
1896	slf_init_schedule (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)	2139	slf_init_schedule (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
1897	{	2140	{
1898	frame->prepare = prepare_schedule;	2141	frame->prepare = prepare_schedule;
1899	frame->check = slf_check_nop;	2142	frame->check = slf_check_nop;
		2143	}
		2144
		2145	static void
		2146	slf_prepare_schedule_to (pTHX_ struct coro_transfer_args *ta)
		2147	{
		2148	struct coro *next = (struct coro *)slf_frame.data;
		2149
		2150	SvREFCNT_inc_NN (next->hv);
		2151	prepare_schedule_to (aTHX_ ta, next);
		2152	}
		2153
		2154	static void
		2155	slf_init_schedule_to (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
		2156	{
		2157	if (!items)
		2158	croak ("Coro::schedule_to expects a coroutine argument, caught");
		2159
		2160	frame->data = (void *)SvSTATE (arg [0]);
		2161	frame->prepare = slf_prepare_schedule_to;
		2162	frame->check = slf_check_nop;
		2163	}
		2164
		2165	static void
		2166	slf_init_cede_to (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
		2167	{
		2168	api_ready (aTHX_ SvRV (coro_current));
		2169
		2170	slf_init_schedule_to (aTHX_ frame, cv, arg, items);
1900	}	2171	}
1901		2172
1902	static void	2173	static void
1903	slf_init_cede (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)	2174	slf_init_cede (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
1904	{	2175	{
…		…
2050	}	2321	}
2051	else	2322	else
2052	slf_argc = 0;	2323	slf_argc = 0;
2053		2324
2054	PL_op->op_ppaddr = pp_slf;	2325	PL_op->op_ppaddr = pp_slf;
2055	PL_op->op_type = OP_CUSTOM; /* maybe we should leave it at entersub? */	2326	/*PL_op->op_type = OP_CUSTOM; /* we do behave like entersub still */
2056		2327
2057	PL_op = (OP *)&slf_restore;	2328	PL_op = (OP *)&slf_restore;
		2329	}
		2330
		2331	/*****************************************************************************/
		2332	/* dynamic wind */
		2333
		2334	static void
		2335	on_enterleave_call (pTHX_ SV *cb)
		2336	{
		2337	dSP;
		2338
		2339	PUSHSTACK;
		2340
		2341	PUSHMARK (SP);
		2342	PUTBACK;
		2343	call_sv (cb, G_VOID | G_DISCARD);
		2344	SPAGAIN;
		2345
		2346	POPSTACK;
		2347	}
		2348
		2349	static SV *
		2350	coro_avp_pop_and_free (pTHX_ AV **avp)
		2351	{
		2352	AV *av = *avp;
		2353	SV *res = av_pop (av);
		2354
		2355	if (AvFILLp (av) < 0)
		2356	{
		2357	*avp = 0;
		2358	SvREFCNT_dec (av);
		2359	}
		2360
		2361	return res;
		2362	}
		2363
		2364	static void
		2365	coro_pop_on_enter (pTHX_ void *coro)
		2366	{
		2367	SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_enter);
		2368	SvREFCNT_dec (cb);
		2369	}
		2370
		2371	static void
		2372	coro_pop_on_leave (pTHX_ void *coro)
		2373	{
		2374	SV *cb = coro_avp_pop_and_free (aTHX_ &((struct coro *)coro)->on_leave);
		2375	on_enterleave_call (aTHX_ sv_2mortal (cb));
2058	}	2376	}
2059		2377
2060	/*****************************************************************************/	2378	/*****************************************************************************/
2061	/* PerlIO::cede */	2379	/* PerlIO::cede */
2062		2380
…		…
2143	SV **ary;	2461	SV **ary;
2144		2462
2145	/* unfortunately, building manually saves memory */	2463	/* unfortunately, building manually saves memory */
2146	Newx (ary, 2, SV *);	2464	Newx (ary, 2, SV *);
2147	AvALLOC (av) = ary;	2465	AvALLOC (av) = ary;
2148	SvPV_set ((SV *)av, (char *)ary); /* 5.8.8 needs this syntax instead of AvARRAY = ary */	2466	#if PERL_VERSION_ATLEAST (5,10,0)
		2467	AvARRAY (av) = ary;
		2468	#else
		2469	/* 5.8.8 needs this syntax instead of AvARRAY = ary, yet */
		2470	/* -DDEBUGGING flags this as a bug, despite it perfectly working */
		2471	SvPVX ((SV *)av) = (char *)ary;
		2472	#endif
2149	AvMAX (av) = 1;	2473	AvMAX (av) = 1;
2150	AvFILLp (av) = 0;	2474	AvFILLp (av) = 0;
2151	ary [0] = newSViv (count);	2475	ary [0] = newSViv (count);
2152		2476
2153	return newRV_noinc ((SV *)av);	2477	return newRV_noinc ((SV *)av);
…		…
2173	AvARRAY (av)[0] = AvARRAY (av)[1];	2497	AvARRAY (av)[0] = AvARRAY (av)[1];
2174	AvARRAY (av)[1] = count_sv;	2498	AvARRAY (av)[1] = count_sv;
2175	cb = av_shift (av);	2499	cb = av_shift (av);
2176		2500
2177	if (SvOBJECT (cb))	2501	if (SvOBJECT (cb))
		2502	{
2178	api_ready (aTHX_ cb);	2503	api_ready (aTHX_ cb);
2179	else	2504	--count;
2180	croak ("callbacks not yet supported");	2505	}
		2506	else if (SvTYPE (cb) == SVt_PVCV)
		2507	{
		2508	dSP;
		2509	PUSHMARK (SP);
		2510	XPUSHs (sv_2mortal (newRV_inc ((SV *)av)));
		2511	PUTBACK;
		2512	call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR);
		2513	}
2181		2514
2182	SvREFCNT_dec (cb);	2515	SvREFCNT_dec (cb);
2183
2184	--count;
2185	}	2516	}
2186	}	2517	}
2187		2518
2188	static void	2519	static void
2189	coro_semaphore_on_destroy (pTHX_ struct coro *coro)	2520	coro_semaphore_on_destroy (pTHX_ struct coro *coro)
…		…
2271	}	2602	}
2272		2603
2273	static void	2604	static void
2274	slf_init_semaphore_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)	2605	slf_init_semaphore_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
2275	{	2606	{
		2607	if (items >= 2)
		2608	{
		2609	/* callback form */
		2610	AV *av = (AV *)SvRV (arg [0]);
		2611	CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]);
		2612
		2613	av_push (av, (SV *)SvREFCNT_inc_NN (cb_cv));
		2614
		2615	if (SvIVX (AvARRAY (av)[0]) > 0)
		2616	coro_semaphore_adjust (aTHX_ av, 0);
		2617
		2618	frame->prepare = prepare_nop;
		2619	frame->check = slf_check_nop;
		2620	}
		2621	else
		2622	{
2276	slf_init_semaphore_down_or_wait (aTHX_ frame, cv, arg, items);	2623	slf_init_semaphore_down_or_wait (aTHX_ frame, cv, arg, items);
2277	frame->check = slf_check_semaphore_wait;	2624	frame->check = slf_check_semaphore_wait;
		2625	}
2278	}	2626	}
2279		2627
2280	/* signal */	2628	/* signal */
2281		2629
2282	static void	2630	static void
…		…
2354	dXSARGS;	2702	dXSARGS;
2355	AV *state = (AV *)GENSUB_ARG;	2703	AV *state = (AV *)GENSUB_ARG;
2356	SV *coro = av_pop (state);	2704	SV *coro = av_pop (state);
2357	SV *data_sv = newSV (sizeof (struct io_state));	2705	SV *data_sv = newSV (sizeof (struct io_state));
2358		2706
2359	av_extend (state, items);	2707	av_extend (state, items - 1);
2360		2708
2361	sv_upgrade (data_sv, SVt_PV);	2709	sv_upgrade (data_sv, SVt_PV);
2362	SvCUR_set (data_sv, sizeof (struct io_state));	2710	SvCUR_set (data_sv, sizeof (struct io_state));
2363	SvPOK_only (data_sv);	2711	SvPOK_only (data_sv);
2364		2712
…		…
2499	XSRETURN_EMPTY;	2847	XSRETURN_EMPTY;
2500	}	2848	}
2501		2849
2502	/*****************************************************************************/	2850	/*****************************************************************************/
2503		2851
		2852	#if CORO_CLONE
		2853	# include "clone.c"
		2854	#endif
		2855
2504	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	2856	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
2505		2857
2506	PROTOTYPES: DISABLE	2858	PROTOTYPES: DISABLE
2507		2859
2508	BOOT:	2860	BOOT:
…		…
2512	coro_thx = PERL_GET_CONTEXT;	2864	coro_thx = PERL_GET_CONTEXT;
2513	# endif	2865	# endif
2514	#endif	2866	#endif
2515	BOOT_PAGESIZE;	2867	BOOT_PAGESIZE;
2516		2868
		2869	cctx_current = cctx_new_empty ();
		2870
2517	irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV);	2871	irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV);
2518	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO);	2872	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO);
2519		2873
2520	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;	2874	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;
2521	orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;	2875	orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;
…		…
2540		2894
2541	{	2895	{
2542	SV *slf = sv_2mortal (newSViv (PTR2IV (pp_slf)));	2896	SV *slf = sv_2mortal (newSViv (PTR2IV (pp_slf)));
2543		2897
2544	if (!PL_custom_op_names) PL_custom_op_names = newHV ();	2898	if (!PL_custom_op_names) PL_custom_op_names = newHV ();
2545	hv_store_ent (PL_custom_op_names, slf,	2899	hv_store_ent (PL_custom_op_names, slf, newSVpv ("coro_slf", 0), 0);
2546	newSVpv ("coro_slf", 0), 0);
2547		2900
2548	if (!PL_custom_op_descs) PL_custom_op_descs = newHV ();	2901	if (!PL_custom_op_descs) PL_custom_op_descs = newHV ();
2549	hv_store_ent (PL_custom_op_descs, slf,	2902	hv_store_ent (PL_custom_op_descs, slf, newSVpv ("coro schedule like function", 0), 0);
2550	newSVpv ("coro schedule like function", 0), 0);
2551	}	2903	}
2552		2904
2553	coroapi.ver = CORO_API_VERSION;	2905	coroapi.ver = CORO_API_VERSION;
2554	coroapi.rev = CORO_API_REVISION;	2906	coroapi.rev = CORO_API_REVISION;
2555		2907
…		…
2574	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	2926	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
2575	}	2927	}
2576		2928
2577	SV *	2929	SV *
2578	new (char *klass, ...)	2930	new (char *klass, ...)
		2931	ALIAS:
		2932	Coro::new = 1
2579	CODE:	2933	CODE:
2580	{	2934	{
2581	struct coro *coro;	2935	struct coro *coro;
2582	MAGIC *mg;	2936	MAGIC *mg;
2583	HV *hv;	2937	HV *hv;
		2938	CV *cb;
2584	int i;	2939	int i;
		2940
		2941	if (items > 1)
		2942	{
		2943	cb = coro_sv_2cv (aTHX_ ST (1));
		2944
		2945	if (!ix)
		2946	{
		2947	if (CvISXSUB (cb))
		2948	croak ("Coro::State doesn't support XS functions as coroutine start, caught");
		2949
		2950	if (!CvROOT (cb))
		2951	croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught");
		2952	}
		2953	}
2585		2954
2586	Newz (0, coro, 1, struct coro);	2955	Newz (0, coro, 1, struct coro);
2587	coro->args = newAV ();	2956	coro->args = newAV ();
2588	coro->flags = CF_NEW;	2957	coro->flags = CF_NEW;
2589		2958
…		…
2594	coro->hv = hv = newHV ();	2963	coro->hv = hv = newHV ();
2595	mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0);	2964	mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0);
2596	mg->mg_flags |= MGf_DUP;	2965	mg->mg_flags |= MGf_DUP;
2597	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	2966	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
2598		2967
		2968	if (items > 1)
		2969	{
2599	av_extend (coro->args, items - 1);	2970	av_extend (coro->args, items - 1 + ix - 1);
		2971
		2972	if (ix)
		2973	{
		2974	av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb));
		2975	cb = cv_coro_run;
		2976	}
		2977
		2978	coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb);
		2979
2600	for (i = 1; i < items; i++)	2980	for (i = 2; i < items; i++)
2601	av_push (coro->args, newSVsv (ST (i)));	2981	av_push (coro->args, newSVsv (ST (i)));
		2982	}
2602	}	2983	}
2603	OUTPUT:	2984	OUTPUT:
2604	RETVAL	2985	RETVAL
2605		2986
2606	void	2987	void
…		…
2619	void	3000	void
2620	_exit (int code)	3001	_exit (int code)
2621	PROTOTYPE: $	3002	PROTOTYPE: $
2622	CODE:	3003	CODE:
2623	_exit (code);	3004	_exit (code);
		3005
		3006	SV *
		3007	clone (Coro::State coro)
		3008	CODE:
		3009	{
		3010	#if CORO_CLONE
		3011	struct coro *ncoro = coro_clone (aTHX_ coro);
		3012	MAGIC *mg;
		3013	/* TODO: too much duplication */
		3014	ncoro->hv = newHV ();
		3015	mg = sv_magicext ((SV *)ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)ncoro, 0);
		3016	mg->mg_flags |= MGf_DUP;
		3017	RETVAL = sv_bless (newRV_noinc ((SV *)ncoro->hv), SvSTASH (coro->hv));
		3018	#else
		3019	croak ("Coro::State->clone has not been configured into this installation of Coro, realised");
		3020	#endif
		3021	}
		3022	OUTPUT:
		3023	RETVAL
2624		3024
2625	int	3025	int
2626	cctx_stacksize (int new_stacksize = 0)	3026	cctx_stacksize (int new_stacksize = 0)
2627	PROTOTYPE: ;$	3027	PROTOTYPE: ;$
2628	CODE:	3028	CODE:
…		…
2678	eval = 1	3078	eval = 1
2679	CODE:	3079	CODE:
2680	{	3080	{
2681	if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot))	3081	if (coro->mainstack && ((coro->flags & CF_RUNNING) || coro->slot))
2682	{	3082	{
2683	struct coro temp;	3083	struct coro *current = SvSTATE_current;
2684		3084
2685	if (!(coro->flags & CF_RUNNING))	3085	if (current != coro)
2686	{	3086	{
2687	PUTBACK;	3087	PUTBACK;
2688	save_perl (aTHX_ &temp);	3088	save_perl (aTHX_ current);
2689	load_perl (aTHX_ coro);	3089	load_perl (aTHX_ coro);
		3090	SPAGAIN;
2690	}	3091	}
2691		3092
2692	{
2693	dSP;
2694	ENTER;
2695	SAVETMPS;
2696	PUTBACK;
2697	PUSHSTACK;	3093	PUSHSTACK;
		3094
2698	PUSHMARK (SP);	3095	PUSHMARK (SP);
		3096	PUTBACK;
2699		3097
2700	if (ix)	3098	if (ix)
2701	eval_sv (coderef, 0);	3099	eval_sv (coderef, 0);
2702	else	3100	else
2703	call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);	3101	call_sv (coderef, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
2704		3102
2705	POPSTACK;	3103	POPSTACK;
2706	SPAGAIN;	3104	SPAGAIN;
2707	FREETMPS;
2708	LEAVE;
2709	PUTBACK;
2710	}
2711		3105
2712	if (!(coro->flags & CF_RUNNING))	3106	if (current != coro)
2713	{	3107	{
		3108	PUTBACK;
2714	save_perl (aTHX_ coro);	3109	save_perl (aTHX_ coro);
2715	load_perl (aTHX_ &temp);	3110	load_perl (aTHX_ current);
2716	SPAGAIN;	3111	SPAGAIN;
2717	}	3112	}
2718	}	3113	}
2719	}	3114	}
2720		3115
…		…
2724	ALIAS:	3119	ALIAS:
2725	is_ready = CF_READY	3120	is_ready = CF_READY
2726	is_running = CF_RUNNING	3121	is_running = CF_RUNNING
2727	is_new = CF_NEW	3122	is_new = CF_NEW
2728	is_destroyed = CF_DESTROYED	3123	is_destroyed = CF_DESTROYED
		3124	is_suspended = CF_SUSPENDED
2729	CODE:	3125	CODE:
2730	RETVAL = boolSV (coro->flags & ix);	3126	RETVAL = boolSV (coro->flags & ix);
2731	OUTPUT:	3127	OUTPUT:
2732	RETVAL	3128	RETVAL
2733		3129
…		…
2749		3145
2750	SV *	3146	SV *
2751	has_cctx (Coro::State coro)	3147	has_cctx (Coro::State coro)
2752	PROTOTYPE: $	3148	PROTOTYPE: $
2753	CODE:	3149	CODE:
2754	RETVAL = boolSV (!!coro->cctx);	3150	/* maybe manage the running flag differently */
		3151	RETVAL = boolSV (!!coro->cctx || (coro->flags & CF_RUNNING));
2755	OUTPUT:	3152	OUTPUT:
2756	RETVAL	3153	RETVAL
2757		3154
2758	int	3155	int
2759	is_traced (Coro::State coro)	3156	is_traced (Coro::State coro)
…		…
2779		3176
2780	void	3177	void
2781	force_cctx ()	3178	force_cctx ()
2782	PROTOTYPE:	3179	PROTOTYPE:
2783	CODE:	3180	CODE:
2784	SvSTATE_current->cctx->idle_sp = 0;	3181	cctx_current->idle_sp = 0;
2785		3182
2786	void	3183	void
2787	swap_defsv (Coro::State self)	3184	swap_defsv (Coro::State self)
2788	PROTOTYPE: $	3185	PROTOTYPE: $
2789	ALIAS:	3186	ALIAS:
…		…
2797	SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv;	3194	SV **dst = ix ? (SV **)&self->slot->defav : (SV **)&self->slot->defsv;
2798		3195
2799	SV *tmp = *src; *src = *dst; *dst = tmp;	3196	SV *tmp = *src; *src = *dst; *dst = tmp;
2800	}	3197	}
2801		3198
		3199	void
		3200	cancel (Coro::State self)
		3201	CODE:
		3202	coro_state_destroy (aTHX_ self);
		3203	coro_call_on_destroy (aTHX_ self); /* actually only for Coro objects */
		3204
2802		3205
2803	MODULE = Coro::State PACKAGE = Coro	3206	MODULE = Coro::State PACKAGE = Coro
2804		3207
2805	BOOT:	3208	BOOT:
2806	{	3209	{
2807	int i;	3210	int i;
2808		3211
2809	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
2810	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);	3212	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
2811	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);	3213	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
2812		3214	cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD);
		3215	cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD);
2813	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);	3216	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);
2814	SvREADONLY_on (coro_current);	3217	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
		3218	av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE);
		3219	sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE);
		3220	sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE);
		3221
		3222	sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle);
		3223	sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro);
		3224	cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler);
		3225	cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new);
2815		3226
2816	coro_stash = gv_stashpv ("Coro", TRUE);	3227	coro_stash = gv_stashpv ("Coro", TRUE);
2817		3228
2818	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	3229	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
2819	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	3230	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
…		…
2827		3238
2828	{	3239	{
2829	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);	3240	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);
2830		3241
2831	coroapi.schedule = api_schedule;	3242	coroapi.schedule = api_schedule;
		3243	coroapi.schedule_to = api_schedule_to;
2832	coroapi.cede = api_cede;	3244	coroapi.cede = api_cede;
2833	coroapi.cede_notself = api_cede_notself;	3245	coroapi.cede_notself = api_cede_notself;
2834	coroapi.ready = api_ready;	3246	coroapi.ready = api_ready;
2835	coroapi.is_ready = api_is_ready;	3247	coroapi.is_ready = api_is_ready;
2836	coroapi.nready = coro_nready;	3248	coroapi.nready = coro_nready;
…		…
2841	SvREADONLY_on (sv);	3253	SvREADONLY_on (sv);
2842	}	3254	}
2843	}	3255	}
2844		3256
2845	void	3257	void
		3258	terminate (...)
		3259	CODE:
		3260	CORO_EXECUTE_SLF_XS (slf_init_terminate);
		3261
		3262	void
2846	schedule (...)	3263	schedule (...)
2847	CODE:	3264	CODE:
2848	CORO_EXECUTE_SLF_XS (slf_init_schedule);	3265	CORO_EXECUTE_SLF_XS (slf_init_schedule);
		3266
		3267	void
		3268	schedule_to (...)
		3269	CODE:
		3270	CORO_EXECUTE_SLF_XS (slf_init_schedule_to);
		3271
		3272	void
		3273	cede_to (...)
		3274	CODE:
		3275	CORO_EXECUTE_SLF_XS (slf_init_cede_to);
2849		3276
2850	void	3277	void
2851	cede (...)	3278	cede (...)
2852	CODE:	3279	CODE:
2853	CORO_EXECUTE_SLF_XS (slf_init_cede);	3280	CORO_EXECUTE_SLF_XS (slf_init_cede);
…		…
2908	CODE:	3335	CODE:
2909	RETVAL = coro_nready;	3336	RETVAL = coro_nready;
2910	OUTPUT:	3337	OUTPUT:
2911	RETVAL	3338	RETVAL
2912		3339
2913	# for async_pool speedup
2914	void	3340	void
2915	_pool_1 (SV *cb)	3341	suspend (Coro::State self)
		3342	PROTOTYPE: $
2916	CODE:	3343	CODE:
2917	{	3344	self->flags |= CF_SUSPENDED;
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	resume (Coro::State self)
		3348	PROTOTYPE: $
		3349	CODE:
		3350	self->flags &= ~CF_SUSPENDED;
		3351
		3352	void
		3353	_pool_handler (...)
		3354	CODE:
		3355	CORO_EXECUTE_SLF_XS (slf_init_pool_handler);
		3356
		3357	void
		3358	async_pool (SV *cv, ...)
		3359	PROTOTYPE: &@
		3360	PPCODE:
		3361	{
		3362	HV *hv = (HV *)av_pop (av_async_pool);
		3363	AV *av = newAV ();
		3364	SV *cb = ST (0);
		3365	int i;
		3366
		3367	av_extend (av, items - 2);
		3368	for (i = 1; i < items; ++i)
		3369	av_push (av, SvREFCNT_inc_NN (ST (i)));
		3370
		3371	if ((SV *)hv == &PL_sv_undef)
2926	{	3372	{
2927	SV *old = PL_diehook;	3373	PUSHMARK (SP);
2928	PL_diehook = 0;	3374	EXTEND (SP, 2);
2929	SvREFCNT_dec (old);	3375	PUSHs (sv_Coro);
2930	croak ("\3async_pool terminate\2\n");	3376	PUSHs ((SV *)cv_pool_handler);
		3377	PUTBACK;
		3378	call_sv ((SV *)cv_coro_state_new, G_SCALAR);
		3379	SPAGAIN;
		3380
		3381	hv = (HV *)SvREFCNT_inc_NN (SvRV (POPs));
2931	}	3382	}
2932		3383
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	{	3384	{
2946	av_fill (defav, len - 1);	3385	struct coro *coro = SvSTATE_hv (hv);
2947	for (i = 0; i < len; ++i)	3386
2948	av_store (defav, i, SvREFCNT_inc_NN (AvARRAY (invoke_av)[i + 1]));	3387	assert (!coro->invoke_cb);
		3388	assert (!coro->invoke_av);
		3389	coro->invoke_cb = SvREFCNT_inc (cb);
		3390	coro->invoke_av = av;
2949	}	3391	}
2950	}
2951		3392
2952	void	3393	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		3394
2959	sv_setsv (cb, &PL_sv_undef);	3395	if (GIMME_V != G_VOID)
2960		3396	XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv)));
2961	SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh;	3397	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);	3398	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	}	3399	}
2984		3400
2985	SV *	3401	SV *
2986	rouse_cb ()	3402	rouse_cb ()
2987	PROTOTYPE:	3403	PROTOTYPE:
…		…
2989	RETVAL = coro_new_rouse_cb (aTHX);	3405	RETVAL = coro_new_rouse_cb (aTHX);
2990	OUTPUT:	3406	OUTPUT:
2991	RETVAL	3407	RETVAL
2992		3408
2993	void	3409	void
2994	rouse_wait (SV *cb = 0)	3410	rouse_wait (...)
2995	PROTOTYPE: ;$	3411	PROTOTYPE: ;$
2996	PPCODE:	3412	PPCODE:
2997	CORO_EXECUTE_SLF_XS (slf_init_rouse_wait);	3413	CORO_EXECUTE_SLF_XS (slf_init_rouse_wait);
		3414
		3415	void
		3416	on_enter (SV *block)
		3417	ALIAS:
		3418	on_leave = 1
		3419	PROTOTYPE: &
		3420	CODE:
		3421	{
		3422	struct coro *coro = SvSTATE_current;
		3423	AV **avp = ix ? &coro->on_leave : &coro->on_enter;
		3424
		3425	block = (SV *)coro_sv_2cv (aTHX_ block);
		3426
		3427	if (!*avp)
		3428	*avp = newAV ();
		3429
		3430	av_push (*avp, SvREFCNT_inc (block));
		3431
		3432	if (!ix)
		3433	on_enterleave_call (aTHX_ block);
		3434
		3435	LEAVE; /* pp_entersub unfortunately forces an ENTER/LEAVE around xs calls */
		3436	SAVEDESTRUCTOR_X (ix ? coro_pop_on_leave : coro_pop_on_enter, (void *)coro);
		3437	ENTER; /* pp_entersub unfortunately forces an ENTER/LEAVE around xs calls */
		3438	}
2998		3439
2999		3440
3000	MODULE = Coro::State PACKAGE = PerlIO::cede	3441	MODULE = Coro::State PACKAGE = PerlIO::cede
3001		3442
3002	BOOT:	3443	BOOT:
…		…
3013	GvSTASH (CvGV (cv))	3454	GvSTASH (CvGV (cv))
3014	);	3455	);
3015	OUTPUT:	3456	OUTPUT:
3016	RETVAL	3457	RETVAL
3017		3458
3018	# helper for Coro::Channel	3459	# helper for Coro::Channel and others
3019	SV *	3460	SV *
3020	_alloc (int count)	3461	_alloc (int count)
3021	CODE:	3462	CODE:
3022	RETVAL = coro_waitarray_new (aTHX_ count);	3463	RETVAL = coro_waitarray_new (aTHX_ count);
3023	OUTPUT:	3464	OUTPUT:
…		…
3036	adjust = 1	3477	adjust = 1
3037	CODE:	3478	CODE:
3038	coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), ix ? adjust : 1);	3479	coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), ix ? adjust : 1);
3039		3480
3040	void	3481	void
3041	down (SV *self)	3482	down (...)
3042	CODE:	3483	CODE:
3043	CORO_EXECUTE_SLF_XS (slf_init_semaphore_down);	3484	CORO_EXECUTE_SLF_XS (slf_init_semaphore_down);
3044		3485
3045	void	3486	void
3046	wait (SV *self)	3487	wait (...)
3047	CODE:	3488	CODE:
3048	CORO_EXECUTE_SLF_XS (slf_init_semaphore_wait);	3489	CORO_EXECUTE_SLF_XS (slf_init_semaphore_wait);
3049		3490
3050	void	3491	void
3051	try (SV *self)	3492	try (SV *self)
…		…
3081	for (i = 1; i <= wcount; ++i)	3522	for (i = 1; i <= wcount; ++i)
3082	PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i])));	3523	PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i])));
3083	}	3524	}
3084	}	3525	}
3085		3526
		3527	MODULE = Coro::State PACKAGE = Coro::SemaphoreSet
		3528
		3529	void
		3530	_may_delete (SV *sem, int count, int extra_refs)
		3531	PPCODE:
		3532	{
		3533	AV *av = (AV *)SvRV (sem);
		3534
		3535	if (SvREFCNT ((SV *)av) == 1 + extra_refs
		3536	&& AvFILLp (av) == 0 /* no waiters, just count */
		3537	&& SvIV (AvARRAY (av)[0]) == count)
		3538	XSRETURN_YES;
		3539
		3540	XSRETURN_NO;
		3541	}
		3542
3086	MODULE = Coro::State PACKAGE = Coro::Signal	3543	MODULE = Coro::State PACKAGE = Coro::Signal
3087		3544
3088	SV *	3545	SV *
3089	new (SV *klass)	3546	new (SV *klass)
3090	CODE:	3547	CODE:
…		…
3094	);	3551	);
3095	OUTPUT:	3552	OUTPUT:
3096	RETVAL	3553	RETVAL
3097		3554
3098	void	3555	void
3099	wait (SV *self)	3556	wait (...)
3100	CODE:	3557	CODE:
3101	CORO_EXECUTE_SLF_XS (slf_init_signal_wait);	3558	CORO_EXECUTE_SLF_XS (slf_init_signal_wait);
3102		3559
3103	void	3560	void
3104	broadcast (SV *self)	3561	broadcast (SV *self)
…		…
3161		3618
3162	void	3619	void
3163	_register (char *target, char *proto, SV *req)	3620	_register (char *target, char *proto, SV *req)
3164	CODE:	3621	CODE:
3165	{	3622	{
3166	HV *st;	3623	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 */	3624	/* newXSproto doesn't return the CV on 5.8 */
3170	CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__);	3625	CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__);
3171	sv_setpv ((SV *)slf_cv, proto);	3626	sv_setpv ((SV *)slf_cv, proto);
3172	sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0);	3627	sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0);
3173	}	3628	}

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines