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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.326 by root, Mon Nov 24 04:56:38 2008 UTC vs.
Revision 1.358 by root, Mon Jun 29 04:30:25 2009 UTC

…		…
133	#else	133	#else
134	# define dSTACKLEVEL volatile void *stacklevel	134	# define dSTACKLEVEL volatile void *stacklevel
135	# define STACKLEVEL ((void *)&stacklevel)	135	# define STACKLEVEL ((void *)&stacklevel)
136	#endif	136	#endif
137		137
138	#define IN_DESTRUCT (PL_main_cv == Nullcv)	138	#define IN_DESTRUCT PL_dirty
139		139
140	#if __GNUC__ >= 3	140	#if __GNUC__ >= 3
141	# define attribute(x) __attribute__(x)	141	# define attribute(x) __attribute__(x)
142	# define expect(expr,value) __builtin_expect ((expr),(value))	142	# define expect(expr,value) __builtin_expect ((expr), (value))
143	# define INLINE static inline	143	# define INLINE static inline
144	#else	144	#else
145	# define attribute(x)	145	# define attribute(x)
146	# define expect(expr,value) (expr)	146	# define expect(expr,value) (expr)
147	# define INLINE static	147	# define INLINE static
…		…
156	#define GCoroAPI (&coroapi) /* very sneaky */	156	#define GCoroAPI (&coroapi) /* very sneaky */
157		157
158	#ifdef USE_ITHREADS	158	#ifdef USE_ITHREADS
159	# if CORO_PTHREAD	159	# if CORO_PTHREAD
160	static void *coro_thx;	160	static void *coro_thx;
		161	# endif
		162	#endif
		163
		164	#ifdef __linux
		165	# include <time.h> /* for timespec */
		166	# include <syscall.h> /* for SYS_* */
		167	# ifdef SYS_clock_gettime
		168	# define coro_clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
		169	# define CORO_CLOCK_MONOTONIC 1
		170	# define CORO_CLOCK_THREAD_CPUTIME_ID 3
161	# endif	171	# endif
162	#endif	172	#endif
163		173
164	static double (nvtime)(); / so why doesn't it take void? */	174	static double (nvtime)(); / so why doesn't it take void? */
165		175
…		…
238	enum {	248	enum {
239	CF_RUNNING = 0x0001, /* coroutine is running */	249	CF_RUNNING = 0x0001, /* coroutine is running */
240	CF_READY = 0x0002, /* coroutine is ready */	250	CF_READY = 0x0002, /* coroutine is ready */
241	CF_NEW = 0x0004, /* has never been switched to */	251	CF_NEW = 0x0004, /* has never been switched to */
242	CF_DESTROYED = 0x0008, /* coroutine data has been freed */	252	CF_DESTROYED = 0x0008, /* coroutine data has been freed */
		253	CF_SUSPENDED = 0x0010, /* coroutine can't be scheduled */
243	};	254	};
244		255
245	/* the structure where most of the perl state is stored, overlaid on the cxstack */	256	/* the structure where most of the perl state is stored, overlaid on the cxstack */
246	typedef struct	257	typedef struct
247	{	258	{
248	SV *defsv;	259	SV *defsv;
249	AV *defav;	260	AV *defav;
250	SV *errsv;	261	SV *errsv;
251	SV *irsgv;	262	SV *irsgv;
		263	HV *hinthv;
252	#define VAR(name,type) type name;	264	#define VAR(name,type) type name;
253	# include "state.h"	265	# include "state.h"
254	#undef VAR	266	#undef VAR
255	} perl_slots;	267	} perl_slots;
256		268
…		…
258		270
259	/* this is a structure representing a perl-level coroutine */	271	/* this is a structure representing a perl-level coroutine */
260	struct coro {	272	struct coro {
261	/* the C coroutine allocated to this perl coroutine, if any */	273	/* the C coroutine allocated to this perl coroutine, if any */
262	coro_cctx *cctx;	274	coro_cctx *cctx;
		275
		276	/* ready queue */
		277	struct coro *next_ready;
263		278
264	/* state data */	279	/* state data */
265	struct CoroSLF slf_frame; /* saved slf frame */	280	struct CoroSLF slf_frame; /* saved slf frame */
266	AV *mainstack;	281	AV *mainstack;
267	perl_slots slot; / basically the saved sp */	282	perl_slots slot; / basically the saved sp */
…		…
284	/* async_pool */	299	/* async_pool */
285	SV *saved_deffh;	300	SV *saved_deffh;
286	SV *invoke_cb;	301	SV *invoke_cb;
287	AV *invoke_av;	302	AV *invoke_av;
288		303
		304	/* on_enter/on_leave */
		305	AV *on_enter;
		306	AV *on_leave;
		307
289	/* linked list */	308	/* linked list */
290	struct coro next, prev;	309	struct coro next, prev;
291	};	310	};
292		311
293	typedef struct coro *Coro__State;	312	typedef struct coro *Coro__State;
…		…
298	/* the mainr easonw e don't support windows process emulation */	317	/* the mainr easonw e don't support windows process emulation */
299	static struct CoroSLF slf_frame; /* the current slf frame */	318	static struct CoroSLF slf_frame; /* the current slf frame */
300		319
301	/ Coro ******************************************************************/	320	/ Coro ******************************************************************/
302		321
303	#define PRIO_MAX 3	322	#define CORO_PRIO_MAX 3
304	#define PRIO_HIGH 1	323	#define CORO_PRIO_HIGH 1
305	#define PRIO_NORMAL 0	324	#define CORO_PRIO_NORMAL 0
306	#define PRIO_LOW -1	325	#define CORO_PRIO_LOW -1
307	#define PRIO_IDLE -3	326	#define CORO_PRIO_IDLE -3
308	#define PRIO_MIN -4	327	#define CORO_PRIO_MIN -4
309		328
310	/* for Coro.pm */	329	/* for Coro.pm */
311	static SV *coro_current;	330	static SV *coro_current;
312	static SV *coro_readyhook;	331	static SV *coro_readyhook;
313	static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1];	332	static struct coro coro_ready [CORO_PRIO_MAX - CORO_PRIO_MIN + 1][2]; / head\|tail */
314	static CV cv_coro_run, cv_coro_terminate;	333	static CV cv_coro_run, cv_coro_terminate;
315	static struct coro *coro_first;	334	static struct coro *coro_first;
316	#define coro_nready coroapi.nready	335	#define coro_nready coroapi.nready
317		336
318	/ lowlevel stuff ********************************************************/	337	/ lowlevel stuff ********************************************************/
…		…
351	INLINE CV *	370	INLINE CV *
352	coro_sv_2cv (pTHX_ SV *sv)	371	coro_sv_2cv (pTHX_ SV *sv)
353	{	372	{
354	HV *st;	373	HV *st;
355	GV *gvp;	374	GV *gvp;
356	return sv_2cv (sv, &st, &gvp, 0);	375	CV *cv = sv_2cv (sv, &st, &gvp, 0);
		376
		377	if (!cv)
		378	croak ("code reference expected");
		379
		380	return cv;
357	}	381	}
		382
		383	/*****************************************************************************/
		384	/* magic glue */
		385
		386	#define CORO_MAGIC_type_cv 26
		387	#define CORO_MAGIC_type_state PERL_MAGIC_ext
		388
		389	#define CORO_MAGIC_NN(sv, type) \
		390	(expect_true (SvMAGIC (sv)->mg_type == type) \
		391	? SvMAGIC (sv) \
		392	: mg_find (sv, type))
		393
		394	#define CORO_MAGIC(sv, type) \
		395	(expect_true (SvMAGIC (sv)) \
		396	? CORO_MAGIC_NN (sv, type) \
		397	: 0)
		398
		399	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
		400	#define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state)
		401
		402	INLINE struct coro *
		403	SvSTATE_ (pTHX_ SV *coro)
		404	{
		405	HV *stash;
		406	MAGIC *mg;
		407
		408	if (SvROK (coro))
		409	coro = SvRV (coro);
		410
		411	if (expect_false (SvTYPE (coro) != SVt_PVHV))
		412	croak ("Coro::State object required");
		413
		414	stash = SvSTASH (coro);
		415	if (expect_false (stash != coro_stash && stash != coro_state_stash))
		416	{
		417	/* very slow, but rare, check */
		418	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
		419	croak ("Coro::State object required");
		420	}
		421
		422	mg = CORO_MAGIC_state (coro);
		423	return (struct coro *)mg->mg_ptr;
		424	}
		425
		426	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
		427
		428	/* faster than SvSTATE, but expects a coroutine hv */
		429	#define SvSTATE_hv(hv) ((struct coro )CORO_MAGIC_NN ((SV )hv, CORO_MAGIC_type_state)->mg_ptr)
		430	#define SvSTATE_current SvSTATE_hv (SvRV (coro_current))
		431
		432	/*****************************************************************************/
		433	/* padlist management and caching */
358		434
359	static AV *	435	static AV *
360	coro_derive_padlist (pTHX_ CV *cv)	436	coro_derive_padlist (pTHX_ CV *cv)
361	{	437	{
362	AV *padlist = CvPADLIST (cv);	438	AV *padlist = CvPADLIST (cv);
…		…
370	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);	446	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
371	#endif	447	#endif
372	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];	448	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
373	--AvFILLp (padlist);	449	--AvFILLp (padlist);
374		450
375	av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE)));	451	av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0]));
376	av_store (newpadlist, 1, (SV *)newpad);	452	av_store (newpadlist, 1, (SV *)newpad);
377		453
378	return newpadlist;	454	return newpadlist;
379	}	455	}
380		456
381	static void	457	static void
382	free_padlist (pTHX_ AV *padlist)	458	free_padlist (pTHX_ AV *padlist)
383	{	459	{
384	/* may be during global destruction */	460	/* may be during global destruction */
385	if (SvREFCNT (padlist))	461	if (!IN_DESTRUCT)
386	{	462	{
387	I32 i = AvFILLp (padlist);	463	I32 i = AvFILLp (padlist);
388	while (i >= 0)	464
		465	while (i > 0) /* special-case index 0 */
389	{	466	{
390	SV **svp = av_fetch (padlist, i--, FALSE);	467	/* we try to be extra-careful here */
391	if (svp)	468	AV av = (AV )AvARRAY (padlist)[i--];
392	{	469	I32 j = AvFILLp (av);
393	SV *sv;	470
394	while (&PL_sv_undef != (sv = av_pop ((AV )svp)))	471	while (j >= 0)
		472	SvREFCNT_dec (AvARRAY (av)[j--]);
		473
		474	AvFILLp (av) = -1;
395	SvREFCNT_dec (sv);	475	SvREFCNT_dec (av);
396
397	SvREFCNT_dec (*svp);
398	}
399	}	476	}
400		477
		478	SvREFCNT_dec (AvARRAY (padlist)[0]);
		479
		480	AvFILLp (padlist) = -1;
401	SvREFCNT_dec ((SV*)padlist);	481	SvREFCNT_dec ((SV*)padlist);
402	}	482	}
403	}	483	}
404		484
405	static int	485	static int
406	coro_cv_free (pTHX_ SV sv, MAGIC mg)	486	coro_cv_free (pTHX_ SV sv, MAGIC mg)
407	{	487	{
408	AV *padlist;	488	AV *padlist;
409	AV av = (AV )mg->mg_obj;	489	AV av = (AV )mg->mg_obj;
		490
		491	/* perl manages to free our internal AV and _then_ call us */
		492	if (IN_DESTRUCT)
		493	return;
410		494
411	/* casting is fun. */	495	/* casting is fun. */
412	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))	496	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
413	free_padlist (aTHX_ padlist);	497	free_padlist (aTHX_ padlist);
414		498
415	SvREFCNT_dec (av); /* sv_magicext increased the refcount */	499	SvREFCNT_dec (av); /* sv_magicext increased the refcount */
416		500
417	return 0;	501	return 0;
418	}	502	}
419
420	#define CORO_MAGIC_type_cv 26
421	#define CORO_MAGIC_type_state PERL_MAGIC_ext
422		503
423	static MGVTBL coro_cv_vtbl = {	504	static MGVTBL coro_cv_vtbl = {
424	0, 0, 0, 0,	505	0, 0, 0, 0,
425	coro_cv_free	506	coro_cv_free
426	};	507	};
427
428	#define CORO_MAGIC_NN(sv, type) \
429	(expect_true (SvMAGIC (sv)->mg_type == type) \
430	? SvMAGIC (sv) \
431	: mg_find (sv, type))
432
433	#define CORO_MAGIC(sv, type) \
434	(expect_true (SvMAGIC (sv)) \
435	? CORO_MAGIC_NN (sv, type) \
436	: 0)
437
438	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
439	#define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state)
440
441	INLINE struct coro *
442	SvSTATE_ (pTHX_ SV *coro)
443	{
444	HV *stash;
445	MAGIC *mg;
446
447	if (SvROK (coro))
448	coro = SvRV (coro);
449
450	if (expect_false (SvTYPE (coro) != SVt_PVHV))
451	croak ("Coro::State object required");
452
453	stash = SvSTASH (coro);
454	if (expect_false (stash != coro_stash && stash != coro_state_stash))
455	{
456	/* very slow, but rare, check */
457	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
458	croak ("Coro::State object required");
459	}
460
461	mg = CORO_MAGIC_state (coro);
462	return (struct coro *)mg->mg_ptr;
463	}
464
465	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
466
467	/* faster than SvSTATE, but expects a coroutine hv */
468	#define SvSTATE_hv(hv) ((struct coro )CORO_MAGIC_NN ((SV )hv, CORO_MAGIC_type_state)->mg_ptr)
469	#define SvSTATE_current SvSTATE_hv (SvRV (coro_current))
470		508
471	/* the next two functions merely cache the padlists */	509	/* the next two functions merely cache the padlists */
472	static void	510	static void
473	get_padlist (pTHX_ CV *cv)	511	get_padlist (pTHX_ CV *cv)
474	{	512	{
…		…
502	mg = sv_magicext ((SV )cv, (SV )newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);	540	mg = sv_magicext ((SV )cv, (SV )newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);
503		541
504	av = (AV *)mg->mg_obj;	542	av = (AV *)mg->mg_obj;
505		543
506	if (expect_false (AvFILLp (av) >= AvMAX (av)))	544	if (expect_false (AvFILLp (av) >= AvMAX (av)))
507	av_extend (av, AvMAX (av) + 1);	545	av_extend (av, AvFILLp (av) + 1);
508		546
509	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);	547	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
510	}	548	}
511		549
512	/ load & save, init *****************************************************/	550	/ load & save, init *****************************************************/
		551
		552	static void
		553	on_enterleave_call (pTHX_ SV *cb);
513		554
514	static void	555	static void
515	load_perl (pTHX_ Coro__State c)	556	load_perl (pTHX_ Coro__State c)
516	{	557	{
517	perl_slots *slot = c->slot;	558	perl_slots *slot = c->slot;
518	c->slot = 0;	559	c->slot = 0;
519		560
520	PL_mainstack = c->mainstack;	561	PL_mainstack = c->mainstack;
521		562
522	GvSV (PL_defgv) = slot->defsv;	563	GvSV (PL_defgv) = slot->defsv;
523	GvAV (PL_defgv) = slot->defav;	564	GvAV (PL_defgv) = slot->defav;
524	GvSV (PL_errgv) = slot->errsv;	565	GvSV (PL_errgv) = slot->errsv;
525	GvSV (irsgv) = slot->irsgv;	566	GvSV (irsgv) = slot->irsgv;
		567	GvHV (PL_hintgv) = slot->hinthv;
526		568
527	#define VAR(name,type) PL_ ## name = slot->name;	569	#define VAR(name,type) PL_ ## name = slot->name;
528	# include "state.h"	570	# include "state.h"
529	#undef VAR	571	#undef VAR
530		572
…		…
544	PUTBACK;	586	PUTBACK;
545	}	587	}
546		588
547	slf_frame = c->slf_frame;	589	slf_frame = c->slf_frame;
548	CORO_THROW = c->except;	590	CORO_THROW = c->except;
		591
		592	if (expect_false (c->on_enter))
		593	{
		594	int i;
		595
		596	for (i = 0; i <= AvFILLp (c->on_enter); ++i)
		597	on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]);
		598	}
549	}	599	}
550		600
551	static void	601	static void
552	save_perl (pTHX_ Coro__State c)	602	save_perl (pTHX_ Coro__State c)
553	{	603	{
		604	if (expect_false (c->on_leave))
		605	{
		606	int i;
		607
		608	for (i = AvFILLp (c->on_leave); i >= 0; --i)
		609	on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]);
		610	}
		611
554	c->except = CORO_THROW;	612	c->except = CORO_THROW;
555	c->slf_frame = slf_frame;	613	c->slf_frame = slf_frame;
556		614
557	{	615	{
558	dSP;	616	dSP;
…		…
571	{	629	{
572	while (expect_true (cxix >= 0))	630	while (expect_true (cxix >= 0))
573	{	631	{
574	PERL_CONTEXT *cx = &ccstk[cxix--];	632	PERL_CONTEXT *cx = &ccstk[cxix--];
575		633
576	if (expect_true (CxTYPE (cx) == CXt_SUB \|\| CxTYPE (cx) == CXt_FORMAT))	634	if (expect_true (CxTYPE (cx) == CXt_SUB) \|\| expect_false (CxTYPE (cx) == CXt_FORMAT))
577	{	635	{
578	CV *cv = cx->blk_sub.cv;	636	CV *cv = cx->blk_sub.cv;
579		637
580	if (expect_true (CvDEPTH (cv)))	638	if (expect_true (CvDEPTH (cv)))
581	{	639	{
…		…
616	c->mainstack = PL_mainstack;	674	c->mainstack = PL_mainstack;
617		675
618	{	676	{
619	perl_slots slot = c->slot = (perl_slots )(cxstack + cxstack_ix + 1);	677	perl_slots slot = c->slot = (perl_slots )(cxstack + cxstack_ix + 1);
620		678
621	slot->defav = GvAV (PL_defgv);	679	slot->defav = GvAV (PL_defgv);
622	slot->defsv = DEFSV;	680	slot->defsv = DEFSV;
623	slot->errsv = ERRSV;	681	slot->errsv = ERRSV;
624	slot->irsgv = GvSV (irsgv);	682	slot->irsgv = GvSV (irsgv);
		683	slot->hinthv = GvHV (PL_hintgv);
625		684
626	#define VAR(name,type) slot->name = PL_ ## name;	685	#define VAR(name,type) slot->name = PL_ ## name;
627	# include "state.h"	686	# include "state.h"
628	#undef VAR	687	#undef VAR
629	}	688	}
…		…
756	#endif	815	#endif
757		816
758	/*	817	/*
759	* This overrides the default magic get method of %SIG elements.	818	* This overrides the default magic get method of %SIG elements.
760	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook	819	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook
761	* and instead of tryign to save and restore the hash elements, we just provide	820	* and instead of trying to save and restore the hash elements, we just provide
762	* readback here.	821	* readback here.
763	* We only do this when the hook is != 0, as they are often set to 0 temporarily,
764	* not expecting this to actually change the hook. This is a potential problem
765	* when a schedule happens then, but we ignore this.
766	*/	822	*/
767	static int	823	static int
768	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)	824	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)
769	{	825	{
770	const char *s = MgPV_nolen_const (mg);	826	const char *s = MgPV_nolen_const (mg);
…		…
823	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;	879	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
824		880
825	if (svp)	881	if (svp)
826	{	882	{
827	SV old = svp;	883	SV old = svp;
828	*svp = newSVsv (sv);	884	*svp = SvOK (sv) ? newSVsv (sv) : 0;
829	SvREFCNT_dec (old);	885	SvREFCNT_dec (old);
830	return 0;	886	return 0;
831	}	887	}
832	}	888	}
833		889
…		…
865		921
866	PL_runops = RUNOPS_DEFAULT;	922	PL_runops = RUNOPS_DEFAULT;
867	PL_curcop = &PL_compiling;	923	PL_curcop = &PL_compiling;
868	PL_in_eval = EVAL_NULL;	924	PL_in_eval = EVAL_NULL;
869	PL_comppad = 0;	925	PL_comppad = 0;
		926	PL_comppad_name = 0;
		927	PL_comppad_name_fill = 0;
		928	PL_comppad_name_floor = 0;
870	PL_curpm = 0;	929	PL_curpm = 0;
871	PL_curpad = 0;	930	PL_curpad = 0;
872	PL_localizing = 0;	931	PL_localizing = 0;
873	PL_dirty = 0;	932	PL_dirty = 0;
874	PL_restartop = 0;	933	PL_restartop = 0;
875	#if PERL_VERSION_ATLEAST (5,10,0)	934	#if PERL_VERSION_ATLEAST (5,10,0)
876	PL_parser = 0;	935	PL_parser = 0;
877	#endif	936	#endif
		937	PL_hints = 0;
878		938
879	/* recreate the die/warn hooks */	939	/* recreate the die/warn hooks */
880	PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook );	940	PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook );
881	PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook);	941	PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook);
882		942
883	GvSV (PL_defgv) = newSV (0);	943	GvSV (PL_defgv) = newSV (0);
884	GvAV (PL_defgv) = coro->args; coro->args = 0;	944	GvAV (PL_defgv) = coro->args; coro->args = 0;
885	GvSV (PL_errgv) = newSV (0);	945	GvSV (PL_errgv) = newSV (0);
886	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);	946	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
		947	GvHV (PL_hintgv) = 0;
887	PL_rs = newSVsv (GvSV (irsgv));	948	PL_rs = newSVsv (GvSV (irsgv));
888	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);	949	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);
889		950
890	{	951	{
891	dSP;	952	dSP;
…		…
920	/* copy throw, in case it was set before coro_setup */	981	/* copy throw, in case it was set before coro_setup */
921	CORO_THROW = coro->except;	982	CORO_THROW = coro->except;
922	}	983	}
923		984
924	static void	985	static void
925	coro_destruct (pTHX_ struct coro *coro)	986	coro_unwind_stacks (pTHX)
926	{	987	{
927	if (!IN_DESTRUCT)	988	if (!IN_DESTRUCT)
928	{	989	{
929	/* restore all saved variables and stuff */	990	/* restore all saved variables and stuff */
930	LEAVE_SCOPE (0);	991	LEAVE_SCOPE (0);
…		…
938	POPSTACK_TO (PL_mainstack);	999	POPSTACK_TO (PL_mainstack);
939		1000
940	/* unwind main stack */	1001	/* unwind main stack */
941	dounwind (-1);	1002	dounwind (-1);
942	}	1003	}
		1004	}
943		1005
944	SvREFCNT_dec (GvSV (PL_defgv));	1006	static void
945	SvREFCNT_dec (GvAV (PL_defgv));	1007	coro_destruct_perl (pTHX_ struct coro *coro)
946	SvREFCNT_dec (GvSV (PL_errgv));	1008	{
947	SvREFCNT_dec (PL_defoutgv);	1009	SV *svf [9];
948	SvREFCNT_dec (PL_rs);
949	SvREFCNT_dec (GvSV (irsgv));
950		1010
951	SvREFCNT_dec (PL_diehook);
952	SvREFCNT_dec (PL_warnhook);
953		1011	{
		1012	struct coro *current = SvSTATE_current;
		1013
		1014	assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack));
		1015
		1016	save_perl (aTHX_ current);
		1017	load_perl (aTHX_ coro);
		1018
		1019	coro_unwind_stacks (aTHX);
		1020	coro_destruct_stacks (aTHX);
		1021
		1022	// now save some sv's to be free'd later
		1023	svf [0] = GvSV (PL_defgv);
		1024	svf [1] = (SV *)GvAV (PL_defgv);
		1025	svf [2] = GvSV (PL_errgv);
		1026	svf [3] = (SV *)PL_defoutgv;
		1027	svf [4] = PL_rs;
		1028	svf [5] = GvSV (irsgv);
		1029	svf [6] = (SV *)GvHV (PL_hintgv);
		1030	svf [7] = PL_diehook;
		1031	svf [8] = PL_warnhook;
		1032	assert (9 == sizeof (svf) / sizeof (*svf));
		1033
		1034	load_perl (aTHX_ current);
		1035	}
		1036
		1037	{
		1038	int i;
		1039
		1040	for (i = 0; i < sizeof (svf) / sizeof (*svf); ++i)
		1041	SvREFCNT_dec (svf [i]);
		1042
954	SvREFCNT_dec (coro->saved_deffh);	1043	SvREFCNT_dec (coro->saved_deffh);
955	SvREFCNT_dec (coro->rouse_cb);	1044	SvREFCNT_dec (coro->rouse_cb);
956	SvREFCNT_dec (coro->invoke_cb);	1045	SvREFCNT_dec (coro->invoke_cb);
957	SvREFCNT_dec (coro->invoke_av);	1046	SvREFCNT_dec (coro->invoke_av);
958		1047	}
959	coro_destruct_stacks (aTHX);
960	}	1048	}
961		1049
962	INLINE void	1050	INLINE void
963	free_coro_mortal (pTHX)	1051	free_coro_mortal (pTHX)
964	{	1052	{
…		…
1169	/*	1257	/*
1170	* If perl-run returns we assume exit() was being called or the coro	1258	* If perl-run returns we assume exit() was being called or the coro
1171	* fell off the end, which seems to be the only valid (non-bug)	1259	* fell off the end, which seems to be the only valid (non-bug)
1172	* reason for perl_run to return. We try to exit by jumping to the	1260	* reason for perl_run to return. We try to exit by jumping to the
1173	* bootstrap-time "top" top_env, as we cannot restore the "main"	1261	* bootstrap-time "top" top_env, as we cannot restore the "main"
1174	* coroutine as Coro has no such concept	1262	* coroutine as Coro has no such concept.
		1263	* This actually isn't valid with the pthread backend, but OSes requiring
		1264	* that backend are too broken to do it in a standards-compliant way.
1175	*/	1265	*/
1176	PL_top_env = main_top_env;	1266	PL_top_env = main_top_env;
1177	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */	1267	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */
1178	}	1268	}
1179	}	1269	}
…		…
1256	cctx_destroy (coro_cctx *cctx)	1346	cctx_destroy (coro_cctx *cctx)
1257	{	1347	{
1258	if (!cctx)	1348	if (!cctx)
1259	return;	1349	return;
1260		1350
1261	assert (cctx != cctx_current);//D temporary	1351	assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));//D temporary?
1262		1352
1263	--cctx_count;	1353	--cctx_count;
1264	coro_destroy (&cctx->cctx);	1354	coro_destroy (&cctx->cctx);
1265		1355
1266	/* coro_transfer creates new, empty cctx's */	1356	/* coro_transfer creates new, empty cctx's */
…		…
1330	/* TODO: throwing up here is considered harmful */	1420	/* TODO: throwing up here is considered harmful */
1331		1421
1332	if (expect_true (prev != next))	1422	if (expect_true (prev != next))
1333	{	1423	{
1334	if (expect_false (!(prev->flags & (CF_RUNNING \| CF_NEW))))	1424	if (expect_false (!(prev->flags & (CF_RUNNING \| CF_NEW))))
1335	croak ("Coro::State::transfer called with a suspended prev Coro::State, but can only transfer from running or new states,");	1425	croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,");
1336		1426
1337	if (expect_false (next->flags & CF_RUNNING))
1338	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states,");
1339
1340	if (expect_false (next->flags & CF_DESTROYED))	1427	if (expect_false (next->flags & (CF_RUNNING \| CF_DESTROYED \| CF_SUSPENDED)))
1341	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states,");	1428	croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,");
1342		1429
1343	#if !PERL_VERSION_ATLEAST (5,10,0)	1430	#if !PERL_VERSION_ATLEAST (5,10,0)
1344	if (expect_false (PL_lex_state != LEX_NOTPARSING))	1431	if (expect_false (PL_lex_state != LEX_NOTPARSING))
1345	croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,");	1432	croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,");
1346	#endif	1433	#endif
…		…
1384	coro_setup (aTHX_ next);	1471	coro_setup (aTHX_ next);
1385	}	1472	}
1386	else	1473	else
1387	load_perl (aTHX_ next);	1474	load_perl (aTHX_ next);
1388		1475
1389	assert (!prev->cctx);//D temporary
1390
1391	/* possibly untie and reuse the cctx */	1476	/* possibly untie and reuse the cctx */
1392	if (expect_true (	1477	if (expect_true (
1393	cctx_current->idle_sp == STACKLEVEL	1478	cctx_current->idle_sp == STACKLEVEL
1394	&& !(cctx_current->flags & CC_TRACE)	1479	&& !(cctx_current->flags & CC_TRACE)
1395	&& !force_cctx	1480	&& !force_cctx
…		…
1436	coro_state_destroy (pTHX_ struct coro *coro)	1521	coro_state_destroy (pTHX_ struct coro *coro)
1437	{	1522	{
1438	if (coro->flags & CF_DESTROYED)	1523	if (coro->flags & CF_DESTROYED)
1439	return 0;	1524	return 0;
1440		1525
1441	if (coro->on_destroy)	1526	if (coro->on_destroy && !PL_dirty)
1442	coro->on_destroy (aTHX_ coro);	1527	coro->on_destroy (aTHX_ coro);
1443		1528
1444	coro->flags \|= CF_DESTROYED;	1529	coro->flags \|= CF_DESTROYED;
1445		1530
1446	if (coro->flags & CF_READY)	1531	if (coro->flags & CF_READY)
…		…
1450	--coro_nready;	1535	--coro_nready;
1451	}	1536	}
1452	else	1537	else
1453	coro->flags \|= CF_READY; /* make sure it is NOT put into the readyqueue */	1538	coro->flags \|= CF_READY; /* make sure it is NOT put into the readyqueue */
1454		1539
1455	if (coro->mainstack && coro->mainstack != main_mainstack)	1540	if (coro->mainstack
1456	{	1541	&& coro->mainstack != main_mainstack
1457	struct coro temp;	1542	&& coro->slot
1458		1543	&& !PL_dirty)
1459	assert (("FATAL: tried to destroy currently running coroutine (please report)", !(coro->flags & CF_RUNNING)));
1460
1461	save_perl (aTHX_ &temp);
1462	load_perl (aTHX_ coro);
1463
1464	coro_destruct (aTHX_ coro);	1544	coro_destruct_perl (aTHX_ coro);
1465
1466	load_perl (aTHX_ &temp);
1467
1468	coro->slot = 0;
1469	}
1470		1545
1471	cctx_destroy (coro->cctx);	1546	cctx_destroy (coro->cctx);
1472	SvREFCNT_dec (coro->startcv);	1547	SvREFCNT_dec (coro->startcv);
1473	SvREFCNT_dec (coro->args);	1548	SvREFCNT_dec (coro->args);
1474	SvREFCNT_dec (CORO_THROW);	1549	SvREFCNT_dec (CORO_THROW);
…		…
1561	/ Coro ******************************************************************/	1636	/ Coro ******************************************************************/
1562		1637
1563	INLINE void	1638	INLINE void
1564	coro_enq (pTHX_ struct coro *coro)	1639	coro_enq (pTHX_ struct coro *coro)
1565	{	1640	{
1566	av_push (coro_ready [coro->prio - PRIO_MIN], SvREFCNT_inc_NN (coro->hv));	1641	struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN];
1567	}
1568		1642
1569	INLINE SV *	1643	SvREFCNT_inc_NN (coro->hv);
		1644
		1645	coro->next_ready = 0;
		1646	*(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro;
		1647	ready [1] = coro;
		1648	}
		1649
		1650	INLINE struct coro *
1570	coro_deq (pTHX)	1651	coro_deq (pTHX)
1571	{	1652	{
1572	int prio;	1653	int prio;
1573		1654
1574	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; )	1655	for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; )
1575	if (AvFILLp (coro_ready [prio]) >= 0)	1656	{
1576	return av_shift (coro_ready [prio]);	1657	struct coro **ready = coro_ready [prio];
		1658
		1659	if (ready [0])
		1660	{
		1661	struct coro *coro = ready [0];
		1662	ready [0] = coro->next_ready;
		1663	return coro;
		1664	}
		1665	}
1577		1666
1578	return 0;	1667	return 0;
1579	}	1668	}
1580		1669
1581	static int	1670	static int
…		…
1645	static void	1734	static void
1646	prepare_schedule (pTHX_ struct coro_transfer_args *ta)	1735	prepare_schedule (pTHX_ struct coro_transfer_args *ta)
1647	{	1736	{
1648	for (;;)	1737	for (;;)
1649	{	1738	{
1650	SV *next_sv = coro_deq (aTHX);	1739	struct coro *next = coro_deq (aTHX);
1651		1740
1652	if (expect_true (next_sv))	1741	if (expect_true (next))
1653	{	1742	{
1654	struct coro *next = SvSTATE_hv (next_sv);
1655
1656	/* cannot transfer to destroyed coros, skip and look for next */	1743	/* cannot transfer to destroyed coros, skip and look for next */
1657	if (expect_false (next->flags & CF_DESTROYED))	1744	if (expect_false (next->flags & (CF_DESTROYED \| CF_SUSPENDED)))
1658	SvREFCNT_dec (next_sv); /* coro_nready has already been taken care of by destroy */	1745	SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */
1659	else	1746	else
1660	{	1747	{
1661	next->flags &= ~CF_READY;	1748	next->flags &= ~CF_READY;
1662	--coro_nready;	1749	--coro_nready;
1663		1750
…		…
1670	/* nothing to schedule: call the idle handler */	1757	/* nothing to schedule: call the idle handler */
1671	if (SvROK (sv_idle)	1758	if (SvROK (sv_idle)
1672	&& SvOBJECT (SvRV (sv_idle)))	1759	&& SvOBJECT (SvRV (sv_idle)))
1673	{	1760	{
1674	++coro_nready; /* hack so that api_ready doesn't invoke ready hook */	1761	++coro_nready; /* hack so that api_ready doesn't invoke ready hook */
1675	api_ready (SvRV (sv_idle));	1762	api_ready (aTHX_ SvRV (sv_idle));
1676	--coro_nready;	1763	--coro_nready;
1677	}	1764	}
1678	else	1765	else
1679	{	1766	{
1680	dSP;	1767	dSP;
…		…
1841	av_push (av_destroy, (SV )newRV_inc ((SV )hv)); /* RVinc for perl */	1928	av_push (av_destroy, (SV )newRV_inc ((SV )hv)); /* RVinc for perl */
1842	api_ready (aTHX_ sv_manager);	1929	api_ready (aTHX_ sv_manager);
1843		1930
1844	frame->prepare = prepare_schedule;	1931	frame->prepare = prepare_schedule;
1845	frame->check = slf_check_repeat;	1932	frame->check = slf_check_repeat;
		1933
		1934	/* as a minor optimisation, we could unwind all stacks here */
		1935	/* but that puts extra pressure on pp_slf, and is not worth much */
		1936	/coro_unwind_stacks (aTHX);/
1846	}	1937	}
1847		1938
1848	/*****************************************************************************/	1939	/*****************************************************************************/
1849	/* async pool handler */	1940	/* async pool handler */
1850		1941
…		…
1933	SV data = (SV )GENSUB_ARG;	2024	SV data = (SV )GENSUB_ARG;
1934		2025
1935	if (SvTYPE (SvRV (data)) != SVt_PVAV)	2026	if (SvTYPE (SvRV (data)) != SVt_PVAV)
1936	{	2027	{
1937	/* first call, set args */	2028	/* first call, set args */
		2029	SV *coro = SvRV (data);
1938	AV *av = newAV ();	2030	AV *av = newAV ();
1939	SV *coro = SvRV (data);
1940		2031
1941	SvRV_set (data, (SV *)av);	2032	SvRV_set (data, (SV *)av);
1942	api_ready (aTHX_ coro);
1943	SvREFCNT_dec (coro);
1944		2033
1945	/* better take a full copy of the arguments */	2034	/* better take a full copy of the arguments */
1946	while (items--)	2035	while (items--)
1947	av_store (av, items, newSVsv (ST (items)));	2036	av_store (av, items, newSVsv (ST (items)));
		2037
		2038	api_ready (aTHX_ coro);
		2039	SvREFCNT_dec (coro);
1948	}	2040	}
1949		2041
1950	XSRETURN_EMPTY;	2042	XSRETURN_EMPTY;
1951	}	2043	}
1952		2044
…		…
1969		2061
1970	EXTEND (SP, AvFILLp (av) + 1);	2062	EXTEND (SP, AvFILLp (av) + 1);
1971	for (i = 0; i <= AvFILLp (av); ++i)	2063	for (i = 0; i <= AvFILLp (av); ++i)
1972	PUSHs (sv_2mortal (AvARRAY (av)[i]));	2064	PUSHs (sv_2mortal (AvARRAY (av)[i]));
1973		2065
1974	/* we have stolen the elements, so ste length to zero and free */	2066	/* we have stolen the elements, so set length to zero and free */
1975	AvFILLp (av) = -1;	2067	AvFILLp (av) = -1;
1976	av_undef (av);	2068	av_undef (av);
1977		2069
1978	PUTBACK;	2070	PUTBACK;
1979	}	2071	}
…		…
2269		2361
2270	PL_op->op_ppaddr = pp_slf;	2362	PL_op->op_ppaddr = pp_slf;
2271	/PL_op->op_type = OP_CUSTOM; / we do behave like entersub still */	2363	/PL_op->op_type = OP_CUSTOM; / we do behave like entersub still */
2272		2364
2273	PL_op = (OP *)&slf_restore;	2365	PL_op = (OP *)&slf_restore;
		2366	}
		2367
		2368	/*****************************************************************************/
		2369	/* dynamic wind */
		2370
		2371	static void
		2372	on_enterleave_call (pTHX_ SV *cb)
		2373	{
		2374	dSP;
		2375
		2376	PUSHSTACK;
		2377
		2378	PUSHMARK (SP);
		2379	PUTBACK;
		2380	call_sv (cb, G_VOID \| G_DISCARD);
		2381	SPAGAIN;
		2382
		2383	POPSTACK;
		2384	}
		2385
		2386	static SV *
		2387	coro_avp_pop_and_free (pTHX_ AV **avp)
		2388	{
		2389	AV av = avp;
		2390	SV *res = av_pop (av);
		2391
		2392	if (AvFILLp (av) < 0)
		2393	{
		2394	*avp = 0;
		2395	SvREFCNT_dec (av);
		2396	}
		2397
		2398	return res;
		2399	}
		2400
		2401	static void
		2402	coro_pop_on_enter (pTHX_ void *coro)
		2403	{
		2404	SV cb = coro_avp_pop_and_free (aTHX_ &((struct coro )coro)->on_enter);
		2405	SvREFCNT_dec (cb);
		2406	}
		2407
		2408	static void
		2409	coro_pop_on_leave (pTHX_ void *coro)
		2410	{
		2411	SV cb = coro_avp_pop_and_free (aTHX_ &((struct coro )coro)->on_leave);
		2412	on_enterleave_call (aTHX_ sv_2mortal (cb));
2274	}	2413	}
2275		2414
2276	/*****************************************************************************/	2415	/*****************************************************************************/
2277	/* PerlIO::cede */	2416	/* PerlIO::cede */
2278		2417
…		…
2352	/* Coro::Semaphore & Coro::Signal */	2491	/* Coro::Semaphore & Coro::Signal */
2353		2492
2354	static SV *	2493	static SV *
2355	coro_waitarray_new (pTHX_ int count)	2494	coro_waitarray_new (pTHX_ int count)
2356	{	2495	{
2357	/* a semaphore contains a counter IV in $sem->[0] and any waiters after that */	2496	/* a waitarray=semaphore contains a counter IV in $sem->[0] and any waiters after that */
2358	AV *av = newAV ();	2497	AV *av = newAV ();
2359	SV **ary;	2498	SV **ary;
2360		2499
2361	/* unfortunately, building manually saves memory */	2500	/* unfortunately, building manually saves memory */
2362	Newx (ary, 2, SV *);	2501	Newx (ary, 2, SV *);
2363	AvALLOC (av) = ary;	2502	AvALLOC (av) = ary;
		2503	#if PERL_VERSION_ATLEAST (5,10,0)
2364	/AvARRAY (av) = ary;/	2504	AvARRAY (av) = ary;
		2505	#else
2365	SvPVX ((SV )av) = (char )ary; /* 5.8.8 needs this syntax instead of AvARRAY = ary */	2506	/* 5.8.8 needs this syntax instead of AvARRAY = ary, yet */
		2507	/* -DDEBUGGING flags this as a bug, despite it perfectly working */
		2508	SvPVX ((SV )av) = (char )ary;
		2509	#endif
2366	AvMAX (av) = 1;	2510	AvMAX (av) = 1;
2367	AvFILLp (av) = 0;	2511	AvFILLp (av) = 0;
2368	ary [0] = newSViv (count);	2512	ary [0] = newSViv (count);
2369		2513
2370	return newRV_noinc ((SV *)av);	2514	return newRV_noinc ((SV *)av);
…		…
2501	{	2645	{
2502	/* callback form */	2646	/* callback form */
2503	AV av = (AV )SvRV (arg [0]);	2647	AV av = (AV )SvRV (arg [0]);
2504	CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]);	2648	CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]);
2505		2649
2506	av_push (av, (SV *)SvREFCNT_inc_NN (cb_cv));	2650	av_push (av, SvREFCNT_inc_NN (cb_cv));
2507		2651
2508	if (SvIVX (AvARRAY (av)[0]) > 0)	2652	if (SvIVX (AvARRAY (av)[0]) > 0)
2509	coro_semaphore_adjust (aTHX_ av, 0);	2653	coro_semaphore_adjust (aTHX_ av, 0);
2510		2654
2511	frame->prepare = prepare_nop;	2655	frame->prepare = prepare_nop;
…		…
2535	AvARRAY (av)[0] = AvARRAY (av)[1];	2679	AvARRAY (av)[0] = AvARRAY (av)[1];
2536	AvARRAY (av)[1] = cb;	2680	AvARRAY (av)[1] = cb;
2537		2681
2538	cb = av_shift (av);	2682	cb = av_shift (av);
2539		2683
		2684	if (SvTYPE (cb) == SVt_PVCV)
		2685	{
		2686	dSP;
		2687	PUSHMARK (SP);
		2688	XPUSHs (sv_2mortal (newRV_inc ((SV *)av)));
		2689	PUTBACK;
		2690	call_sv (cb, G_VOID \| G_DISCARD \| G_EVAL \| G_KEEPERR);
		2691	}
		2692	else
		2693	{
2540	api_ready (aTHX_ cb);	2694	api_ready (aTHX_ cb);
2541	sv_setiv (cb, 0); /* signal waiter */	2695	sv_setiv (cb, 0); /* signal waiter */
		2696	}
		2697
2542	SvREFCNT_dec (cb);	2698	SvREFCNT_dec (cb);
2543		2699
2544	--count;	2700	--count;
2545	}	2701	}
2546	}	2702	}
…		…
2555	static void	2711	static void
2556	slf_init_signal_wait (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)	2712	slf_init_signal_wait (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)
2557	{	2713	{
2558	AV av = (AV )SvRV (arg [0]);	2714	AV av = (AV )SvRV (arg [0]);
2559		2715
		2716	if (items >= 2)
		2717	{
		2718	CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]);
		2719	av_push (av, SvREFCNT_inc_NN (cb_cv));
		2720
2560	if (SvIVX (AvARRAY (av)[0]))	2721	if (SvIVX (AvARRAY (av)[0]))
		2722	coro_signal_wake (aTHX_ av, 1); /* ust be the only waiter */
		2723
		2724	frame->prepare = prepare_nop;
		2725	frame->check = slf_check_nop;
		2726	}
		2727	else if (SvIVX (AvARRAY (av)[0]))
2561	{	2728	{
2562	SvIVX (AvARRAY (av)[0]) = 0;	2729	SvIVX (AvARRAY (av)[0]) = 0;
2563	frame->prepare = prepare_nop;	2730	frame->prepare = prepare_nop;
2564	frame->check = slf_check_nop;	2731	frame->check = slf_check_nop;
2565	}	2732	}
2566	else	2733	else
2567	{	2734	{
2568	SV waiter = newRV_inc (SvRV (coro_current)); / owned by signal av */	2735	SV waiter = newSVsv (coro_current); / owned by signal av */
2569		2736
2570	av_push (av, waiter);	2737	av_push (av, waiter);
2571		2738
2572	frame->data = (void )sv_2mortal (SvREFCNT_inc_NN (waiter)); / owned by process */	2739	frame->data = (void )sv_2mortal (SvREFCNT_inc_NN (waiter)); / owned by process */
2573	frame->prepare = prepare_schedule;	2740	frame->prepare = prepare_schedule;
…		…
2814	if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");	2981	if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");
2815		2982
2816	nvtime = INT2PTR (double ()(), SvIV (svp));	2983	nvtime = INT2PTR (double ()(), SvIV (svp));
2817	}	2984	}
2818		2985
2819	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	2986	assert (("PRIO_NORMAL must be 0", !CORO_PRIO_NORMAL));
2820	}	2987	}
2821		2988
2822	SV *	2989	SV *
2823	new (char *klass, ...)	2990	new (char *klass, ...)
2824	ALIAS:	2991	ALIAS:
…		…
2899	SV *	3066	SV *
2900	clone (Coro::State coro)	3067	clone (Coro::State coro)
2901	CODE:	3068	CODE:
2902	{	3069	{
2903	#if CORO_CLONE	3070	#if CORO_CLONE
2904	struct coro *ncoro = coro_clone (coro);	3071	struct coro *ncoro = coro_clone (aTHX_ coro);
2905	MAGIC *mg;	3072	MAGIC *mg;
2906	/* TODO: too much duplication */	3073	/* TODO: too much duplication */
2907	ncoro->hv = newHV ();	3074	ncoro->hv = newHV ();
2908	mg = sv_magicext ((SV )ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char )ncoro, 0);	3075	mg = sv_magicext ((SV )ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char )ncoro, 0);
2909	mg->mg_flags \|= MGf_DUP;	3076	mg->mg_flags \|= MGf_DUP;
…		…
2971	eval = 1	3138	eval = 1
2972	CODE:	3139	CODE:
2973	{	3140	{
2974	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))	3141	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))
2975	{	3142	{
2976	struct coro temp;	3143	struct coro *current = SvSTATE_current;
2977		3144
2978	if (!(coro->flags & CF_RUNNING))	3145	if (current != coro)
2979	{	3146	{
2980	PUTBACK;	3147	PUTBACK;
2981	save_perl (aTHX_ &temp);	3148	save_perl (aTHX_ current);
2982	load_perl (aTHX_ coro);	3149	load_perl (aTHX_ coro);
		3150	SPAGAIN;
2983	}	3151	}
2984		3152
2985	{
2986	dSP;
2987	ENTER;
2988	SAVETMPS;
2989	PUTBACK;
2990	PUSHSTACK;	3153	PUSHSTACK;
		3154
2991	PUSHMARK (SP);	3155	PUSHMARK (SP);
		3156	PUTBACK;
2992		3157
2993	if (ix)	3158	if (ix)
2994	eval_sv (coderef, 0);	3159	eval_sv (coderef, 0);
2995	else	3160	else
2996	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	3161	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
2997		3162
2998	POPSTACK;	3163	POPSTACK;
2999	SPAGAIN;	3164	SPAGAIN;
3000	FREETMPS;
3001	LEAVE;
3002	PUTBACK;
3003	}
3004		3165
3005	if (!(coro->flags & CF_RUNNING))	3166	if (current != coro)
3006	{	3167	{
		3168	PUTBACK;
3007	save_perl (aTHX_ coro);	3169	save_perl (aTHX_ coro);
3008	load_perl (aTHX_ &temp);	3170	load_perl (aTHX_ current);
3009	SPAGAIN;	3171	SPAGAIN;
3010	}	3172	}
3011	}	3173	}
3012	}	3174	}
3013		3175
…		…
3017	ALIAS:	3179	ALIAS:
3018	is_ready = CF_READY	3180	is_ready = CF_READY
3019	is_running = CF_RUNNING	3181	is_running = CF_RUNNING
3020	is_new = CF_NEW	3182	is_new = CF_NEW
3021	is_destroyed = CF_DESTROYED	3183	is_destroyed = CF_DESTROYED
		3184	is_suspended = CF_SUSPENDED
3022	CODE:	3185	CODE:
3023	RETVAL = boolSV (coro->flags & ix);	3186	RETVAL = boolSV (coro->flags & ix);
3024	OUTPUT:	3187	OUTPUT:
3025	RETVAL	3188	RETVAL
3026		3189
…		…
3030	CODE:	3193	CODE:
3031	{	3194	{
3032	struct coro *current = SvSTATE_current;	3195	struct coro *current = SvSTATE_current;
3033	SV **throwp = self == current ? &CORO_THROW : &self->except;	3196	SV **throwp = self == current ? &CORO_THROW : &self->except;
3034	SvREFCNT_dec (*throwp);	3197	SvREFCNT_dec (*throwp);
		3198	SvGETMAGIC (throw);
3035	*throwp = SvOK (throw) ? newSVsv (throw) : 0;	3199	*throwp = SvOK (throw) ? newSVsv (throw) : 0;
3036	}	3200	}
3037		3201
3038	void	3202	void
3039	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)	3203	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)
…		…
3091	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;	3255	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;
3092		3256
3093	SV tmp = src; src = dst; *dst = tmp;	3257	SV tmp = src; src = dst; *dst = tmp;
3094	}	3258	}
3095		3259
		3260	void
		3261	cancel (Coro::State self)
		3262	CODE:
		3263	coro_state_destroy (aTHX_ self);
		3264	coro_call_on_destroy (aTHX_ self); /* actually only for Coro objects */
		3265
3096		3266
3097	MODULE = Coro::State PACKAGE = Coro	3267	MODULE = Coro::State PACKAGE = Coro
3098		3268
3099	BOOT:	3269	BOOT:
3100	{	3270	{
3101	int i;
3102
3103	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);	3271	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
3104	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);	3272	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
3105	cv_coro_run = get_cv ( "Coro::_terminate", GV_ADD);	3273	cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD);
3106	cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD);	3274	cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD);
3107	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);	3275	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);
3108	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);	3276	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
3109	av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE);	3277	av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE);
3110	sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE);	3278	sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE);
…		…
3115	cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler);	3283	cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler);
3116	cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new);	3284	cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new);
3117		3285
3118	coro_stash = gv_stashpv ("Coro", TRUE);	3286	coro_stash = gv_stashpv ("Coro", TRUE);
3119		3287
3120	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	3288	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (CORO_PRIO_MAX));
3121	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	3289	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (CORO_PRIO_HIGH));
3122	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));	3290	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (CORO_PRIO_NORMAL));
3123	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));	3291	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (CORO_PRIO_LOW));
3124	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));	3292	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (CORO_PRIO_IDLE));
3125	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));	3293	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (CORO_PRIO_MIN));
3126
3127	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
3128	coro_ready[i] = newAV ();
3129		3294
3130	{	3295	{
3131	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);	3296	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);
3132		3297
3133	coroapi.schedule = api_schedule;	3298	coroapi.schedule = api_schedule;
…		…
3174	cede_notself (...)	3339	cede_notself (...)
3175	CODE:	3340	CODE:
3176	CORO_EXECUTE_SLF_XS (slf_init_cede_notself);	3341	CORO_EXECUTE_SLF_XS (slf_init_cede_notself);
3177		3342
3178	void	3343	void
3179	_cancel (Coro::State self)
3180	CODE:
3181	coro_state_destroy (aTHX_ self);
3182	coro_call_on_destroy (aTHX_ self);
3183
3184	void
3185	_set_current (SV *current)	3344	_set_current (SV *current)
3186	PROTOTYPE: $	3345	PROTOTYPE: $
3187	CODE:	3346	CODE:
3188	SvREFCNT_dec (SvRV (coro_current));	3347	SvREFCNT_dec (SvRV (coro_current));
3189	SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));	3348	SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));
…		…
3191	void	3350	void
3192	_set_readyhook (SV *hook)	3351	_set_readyhook (SV *hook)
3193	PROTOTYPE: $	3352	PROTOTYPE: $
3194	CODE:	3353	CODE:
3195	SvREFCNT_dec (coro_readyhook);	3354	SvREFCNT_dec (coro_readyhook);
		3355	SvGETMAGIC (hook);
3196	coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;	3356	coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;
3197		3357
3198	int	3358	int
3199	prio (Coro::State coro, int newprio = 0)	3359	prio (Coro::State coro, int newprio = 0)
3200	PROTOTYPE: $;$	3360	PROTOTYPE: $;$
…		…
3231	PROTOTYPE:	3391	PROTOTYPE:
3232	CODE:	3392	CODE:
3233	RETVAL = coro_nready;	3393	RETVAL = coro_nready;
3234	OUTPUT:	3394	OUTPUT:
3235	RETVAL	3395	RETVAL
		3396
		3397	void
		3398	suspend (Coro::State self)
		3399	PROTOTYPE: $
		3400	CODE:
		3401	self->flags \|= CF_SUSPENDED;
		3402
		3403	void
		3404	resume (Coro::State self)
		3405	PROTOTYPE: $
		3406	CODE:
		3407	self->flags &= ~CF_SUSPENDED;
3236		3408
3237	void	3409	void
3238	_pool_handler (...)	3410	_pool_handler (...)
3239	CODE:	3411	CODE:
3240	CORO_EXECUTE_SLF_XS (slf_init_pool_handler);	3412	CORO_EXECUTE_SLF_XS (slf_init_pool_handler);
…		…
3295	rouse_wait (...)	3467	rouse_wait (...)
3296	PROTOTYPE: ;$	3468	PROTOTYPE: ;$
3297	PPCODE:	3469	PPCODE:
3298	CORO_EXECUTE_SLF_XS (slf_init_rouse_wait);	3470	CORO_EXECUTE_SLF_XS (slf_init_rouse_wait);
3299		3471
		3472	void
		3473	on_enter (SV *block)
		3474	ALIAS:
		3475	on_leave = 1
		3476	PROTOTYPE: &
		3477	CODE:
		3478	{
		3479	struct coro *coro = SvSTATE_current;
		3480	AV **avp = ix ? &coro->on_leave : &coro->on_enter;
		3481
		3482	block = (SV *)coro_sv_2cv (aTHX_ block);
		3483
		3484	if (!*avp)
		3485	*avp = newAV ();
		3486
		3487	av_push (*avp, SvREFCNT_inc (block));
		3488
		3489	if (!ix)
		3490	on_enterleave_call (aTHX_ block);
		3491
		3492	LEAVE; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */
		3493	SAVEDESTRUCTOR_X (ix ? coro_pop_on_leave : coro_pop_on_enter, (void *)coro);
		3494	ENTER; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */
		3495	}
		3496
3300		3497
3301	MODULE = Coro::State PACKAGE = PerlIO::cede	3498	MODULE = Coro::State PACKAGE = PerlIO::cede
3302		3499
3303	BOOT:	3500	BOOT:
3304	PerlIO_define_layer (aTHX_ &PerlIO_cede);	3501	PerlIO_define_layer (aTHX_ &PerlIO_cede);
…		…
3307	MODULE = Coro::State PACKAGE = Coro::Semaphore	3504	MODULE = Coro::State PACKAGE = Coro::Semaphore
3308		3505
3309	SV *	3506	SV *
3310	new (SV klass, SV count = 0)	3507	new (SV klass, SV count = 0)
3311	CODE:	3508	CODE:
		3509	{
		3510	int semcnt = 1;
		3511
		3512	if (count)
		3513	{
		3514	SvGETMAGIC (count);
		3515
		3516	if (SvOK (count))
		3517	semcnt = SvIV (count);
		3518	}
		3519
3312	RETVAL = sv_bless (	3520	RETVAL = sv_bless (
3313	coro_waitarray_new (aTHX_ count && SvOK (count) ? SvIV (count) : 1),	3521	coro_waitarray_new (aTHX_ semcnt),
3314	GvSTASH (CvGV (cv))	3522	GvSTASH (CvGV (cv))
3315	);	3523	);
		3524	}
3316	OUTPUT:	3525	OUTPUT:
3317	RETVAL	3526	RETVAL
3318		3527
3319	# helper for Coro::Channel	3528	# helper for Coro::Channel and others
3320	SV *	3529	SV *
3321	_alloc (int count)	3530	_alloc (int count)
3322	CODE:	3531	CODE:
3323	RETVAL = coro_waitarray_new (aTHX_ count);	3532	RETVAL = coro_waitarray_new (aTHX_ count);
3324	OUTPUT:	3533	OUTPUT:
…		…
3382	for (i = 1; i <= wcount; ++i)	3591	for (i = 1; i <= wcount; ++i)
3383	PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i])));	3592	PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i])));
3384	}	3593	}
3385	}	3594	}
3386		3595
		3596	MODULE = Coro::State PACKAGE = Coro::SemaphoreSet
		3597
		3598	void
		3599	_may_delete (SV *sem, int count, int extra_refs)
		3600	PPCODE:
		3601	{
		3602	AV av = (AV )SvRV (sem);
		3603
		3604	if (SvREFCNT ((SV *)av) == 1 + extra_refs
		3605	&& AvFILLp (av) == 0 /* no waiters, just count */
		3606	&& SvIV (AvARRAY (av)[0]) == count)
		3607	XSRETURN_YES;
		3608
		3609	XSRETURN_NO;
		3610	}
		3611
3387	MODULE = Coro::State PACKAGE = Coro::Signal	3612	MODULE = Coro::State PACKAGE = Coro::Signal
3388		3613
3389	SV *	3614	SV *
3390	new (SV *klass)	3615	new (SV *klass)
3391	CODE:	3616	CODE:

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Comparing Coro/Coro/State.xs (file contents): Revision 1.326 by root, Mon Nov 24 04:56:38 2008 UTC vs. Revision 1.358 by root, Mon Jun 29 04:30:25 2009 UTC

Diff Legend

Comparing Coro/Coro/State.xs (file contents):
Revision 1.326 by root, Mon Nov 24 04:56:38 2008 UTC vs.
Revision 1.358 by root, Mon Jun 29 04:30:25 2009 UTC