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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.322 by root, Sat Nov 22 05:13:34 2008 UTC vs.
Revision 1.355 by root, Wed Jun 24 02:52:38 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
…		…
175	static HV coro_state_stash, coro_stash;	175	static HV coro_state_stash, coro_stash;
176	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 */
177		177
178	static AV av_destroy; / destruction queue */	178	static AV av_destroy; / destruction queue */
179	static SV sv_manager; / the manager coro */	179	static SV sv_manager; / the manager coro */
		180	static SV sv_idle; / $Coro::idle */
180		181
181	static GV irsgv; / $/ */	182	static GV irsgv; / $/ */
182	static GV stdoutgv; / STDOUT /	183	static GV stdoutgv; / STDOUT /
183	static SV *rv_diehook;	184	static SV *rv_diehook;
184	static SV *rv_warnhook;	185	static SV *rv_warnhook;
…		…
237	enum {	238	enum {
238	CF_RUNNING = 0x0001, /* coroutine is running */	239	CF_RUNNING = 0x0001, /* coroutine is running */
239	CF_READY = 0x0002, /* coroutine is ready */	240	CF_READY = 0x0002, /* coroutine is ready */
240	CF_NEW = 0x0004, /* has never been switched to */	241	CF_NEW = 0x0004, /* has never been switched to */
241	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 */
242	};	244	};
243		245
244	/* 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 */
245	typedef struct	247	typedef struct
246	{	248	{
247	SV *defsv;	249	SV *defsv;
248	AV *defav;	250	AV *defav;
249	SV *errsv;	251	SV *errsv;
250	SV *irsgv;	252	SV *irsgv;
		253	HV *hinthv;
251	#define VAR(name,type) type name;	254	#define VAR(name,type) type name;
252	# include "state.h"	255	# include "state.h"
253	#undef VAR	256	#undef VAR
254	} perl_slots;	257	} perl_slots;
255		258
…		…
257		260
258	/* this is a structure representing a perl-level coroutine */	261	/* this is a structure representing a perl-level coroutine */
259	struct coro {	262	struct coro {
260	/* the C coroutine allocated to this perl coroutine, if any */	263	/* the C coroutine allocated to this perl coroutine, if any */
261	coro_cctx *cctx;	264	coro_cctx *cctx;
		265
		266	/* ready queue */
		267	struct coro *next_ready;
262		268
263	/* state data */	269	/* state data */
264	struct CoroSLF slf_frame; /* saved slf frame */	270	struct CoroSLF slf_frame; /* saved slf frame */
265	AV *mainstack;	271	AV *mainstack;
266	perl_slots slot; / basically the saved sp */	272	perl_slots slot; / basically the saved sp */
…		…
283	/* async_pool */	289	/* async_pool */
284	SV *saved_deffh;	290	SV *saved_deffh;
285	SV *invoke_cb;	291	SV *invoke_cb;
286	AV *invoke_av;	292	AV *invoke_av;
287		293
		294	/* on_enter/on_leave */
		295	AV *on_enter;
		296	AV *on_leave;
		297
288	/* linked list */	298	/* linked list */
289	struct coro next, prev;	299	struct coro next, prev;
290	};	300	};
291		301
292	typedef struct coro *Coro__State;	302	typedef struct coro *Coro__State;
…		…
307	#define PRIO_MIN -4	317	#define PRIO_MIN -4
308		318
309	/* for Coro.pm */	319	/* for Coro.pm */
310	static SV *coro_current;	320	static SV *coro_current;
311	static SV *coro_readyhook;	321	static SV *coro_readyhook;
312	static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1];	322	static struct coro coro_ready [PRIO_MAX - PRIO_MIN + 1][2]; / head\|tail */
313	static CV cv_coro_run, cv_coro_terminate;	323	static CV cv_coro_run, cv_coro_terminate;
314	static struct coro *coro_first;	324	static struct coro *coro_first;
315	#define coro_nready coroapi.nready	325	#define coro_nready coroapi.nready
316		326
317	/ lowlevel stuff ********************************************************/	327	/ lowlevel stuff ********************************************************/
…		…
350	INLINE CV *	360	INLINE CV *
351	coro_sv_2cv (pTHX_ SV *sv)	361	coro_sv_2cv (pTHX_ SV *sv)
352	{	362	{
353	HV *st;	363	HV *st;
354	GV *gvp;	364	GV *gvp;
355	return sv_2cv (sv, &st, &gvp, 0);	365	CV *cv = sv_2cv (sv, &st, &gvp, 0);
		366
		367	if (!cv)
		368	croak ("code reference expected");
		369
		370	return cv;
356	}	371	}
		372
		373	/*****************************************************************************/
		374	/* magic glue */
		375
		376	#define CORO_MAGIC_type_cv 26
		377	#define CORO_MAGIC_type_state PERL_MAGIC_ext
		378
		379	#define CORO_MAGIC_NN(sv, type) \
		380	(expect_true (SvMAGIC (sv)->mg_type == type) \
		381	? SvMAGIC (sv) \
		382	: mg_find (sv, type))
		383
		384	#define CORO_MAGIC(sv, type) \
		385	(expect_true (SvMAGIC (sv)) \
		386	? CORO_MAGIC_NN (sv, type) \
		387	: 0)
		388
		389	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
		390	#define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state)
		391
		392	INLINE struct coro *
		393	SvSTATE_ (pTHX_ SV *coro)
		394	{
		395	HV *stash;
		396	MAGIC *mg;
		397
		398	if (SvROK (coro))
		399	coro = SvRV (coro);
		400
		401	if (expect_false (SvTYPE (coro) != SVt_PVHV))
		402	croak ("Coro::State object required");
		403
		404	stash = SvSTASH (coro);
		405	if (expect_false (stash != coro_stash && stash != coro_state_stash))
		406	{
		407	/* very slow, but rare, check */
		408	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
		409	croak ("Coro::State object required");
		410	}
		411
		412	mg = CORO_MAGIC_state (coro);
		413	return (struct coro *)mg->mg_ptr;
		414	}
		415
		416	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
		417
		418	/* faster than SvSTATE, but expects a coroutine hv */
		419	#define SvSTATE_hv(hv) ((struct coro )CORO_MAGIC_NN ((SV )hv, CORO_MAGIC_type_state)->mg_ptr)
		420	#define SvSTATE_current SvSTATE_hv (SvRV (coro_current))
		421
		422	/*****************************************************************************/
		423	/* padlist management and caching */
357		424
358	static AV *	425	static AV *
359	coro_derive_padlist (pTHX_ CV *cv)	426	coro_derive_padlist (pTHX_ CV *cv)
360	{	427	{
361	AV *padlist = CvPADLIST (cv);	428	AV *padlist = CvPADLIST (cv);
…		…
369	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);	436	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
370	#endif	437	#endif
371	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];	438	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
372	--AvFILLp (padlist);	439	--AvFILLp (padlist);
373		440
374	av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE)));	441	av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0]));
375	av_store (newpadlist, 1, (SV *)newpad);	442	av_store (newpadlist, 1, (SV *)newpad);
376		443
377	return newpadlist;	444	return newpadlist;
378	}	445	}
379		446
380	static void	447	static void
381	free_padlist (pTHX_ AV *padlist)	448	free_padlist (pTHX_ AV *padlist)
382	{	449	{
383	/* may be during global destruction */	450	/* may be during global destruction */
384	if (SvREFCNT (padlist))	451	if (!IN_DESTRUCT)
385	{	452	{
386	I32 i = AvFILLp (padlist);	453	I32 i = AvFILLp (padlist);
387	while (i >= 0)	454
		455	while (i > 0) /* special-case index 0 */
388	{	456	{
389	SV **svp = av_fetch (padlist, i--, FALSE);	457	/* we try to be extra-careful here */
390	if (svp)	458	AV av = (AV )AvARRAY (padlist)[i--];
391	{	459	I32 j = AvFILLp (av);
392	SV *sv;	460
393	while (&PL_sv_undef != (sv = av_pop ((AV )svp)))	461	while (j >= 0)
		462	SvREFCNT_dec (AvARRAY (av)[j--]);
		463
		464	AvFILLp (av) = -1;
394	SvREFCNT_dec (sv);	465	SvREFCNT_dec (av);
395
396	SvREFCNT_dec (*svp);
397	}
398	}	466	}
399		467
		468	SvREFCNT_dec (AvARRAY (padlist)[0]);
		469
		470	AvFILLp (padlist) = -1;
400	SvREFCNT_dec ((SV*)padlist);	471	SvREFCNT_dec ((SV*)padlist);
401	}	472	}
402	}	473	}
403		474
404	static int	475	static int
…		…
413		484
414	SvREFCNT_dec (av); /* sv_magicext increased the refcount */	485	SvREFCNT_dec (av); /* sv_magicext increased the refcount */
415		486
416	return 0;	487	return 0;
417	}	488	}
418
419	#define CORO_MAGIC_type_cv 26
420	#define CORO_MAGIC_type_state PERL_MAGIC_ext
421		489
422	static MGVTBL coro_cv_vtbl = {	490	static MGVTBL coro_cv_vtbl = {
423	0, 0, 0, 0,	491	0, 0, 0, 0,
424	coro_cv_free	492	coro_cv_free
425	};	493	};
426
427	#define CORO_MAGIC_NN(sv, type) \
428	(expect_true (SvMAGIC (sv)->mg_type == type) \
429	? SvMAGIC (sv) \
430	: mg_find (sv, type))
431
432	#define CORO_MAGIC(sv, type) \
433	(expect_true (SvMAGIC (sv)) \
434	? CORO_MAGIC_NN (sv, type) \
435	: 0)
436
437	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
438	#define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state)
439
440	INLINE struct coro *
441	SvSTATE_ (pTHX_ SV *coro)
442	{
443	HV *stash;
444	MAGIC *mg;
445
446	if (SvROK (coro))
447	coro = SvRV (coro);
448
449	if (expect_false (SvTYPE (coro) != SVt_PVHV))
450	croak ("Coro::State object required");
451
452	stash = SvSTASH (coro);
453	if (expect_false (stash != coro_stash && stash != coro_state_stash))
454	{
455	/* very slow, but rare, check */
456	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
457	croak ("Coro::State object required");
458	}
459
460	mg = CORO_MAGIC_state (coro);
461	return (struct coro *)mg->mg_ptr;
462	}
463
464	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
465
466	/* faster than SvSTATE, but expects a coroutine hv */
467	#define SvSTATE_hv(hv) ((struct coro )CORO_MAGIC_NN ((SV )hv, CORO_MAGIC_type_state)->mg_ptr)
468	#define SvSTATE_current SvSTATE_hv (SvRV (coro_current))
469		494
470	/* the next two functions merely cache the padlists */	495	/* the next two functions merely cache the padlists */
471	static void	496	static void
472	get_padlist (pTHX_ CV *cv)	497	get_padlist (pTHX_ CV *cv)
473	{	498	{
…		…
501	mg = sv_magicext ((SV )cv, (SV )newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);	526	mg = sv_magicext ((SV )cv, (SV )newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);
502		527
503	av = (AV *)mg->mg_obj;	528	av = (AV *)mg->mg_obj;
504		529
505	if (expect_false (AvFILLp (av) >= AvMAX (av)))	530	if (expect_false (AvFILLp (av) >= AvMAX (av)))
506	av_extend (av, AvMAX (av) + 1);	531	av_extend (av, AvFILLp (av) + 1);
507		532
508	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);	533	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
509	}	534	}
510		535
511	/ load & save, init *****************************************************/	536	/ load & save, init *****************************************************/
		537
		538	static void
		539	on_enterleave_call (pTHX_ SV *cb);
512		540
513	static void	541	static void
514	load_perl (pTHX_ Coro__State c)	542	load_perl (pTHX_ Coro__State c)
515	{	543	{
516	perl_slots *slot = c->slot;	544	perl_slots *slot = c->slot;
517	c->slot = 0;	545	c->slot = 0;
518		546
519	PL_mainstack = c->mainstack;	547	PL_mainstack = c->mainstack;
520		548
521	GvSV (PL_defgv) = slot->defsv;	549	GvSV (PL_defgv) = slot->defsv;
522	GvAV (PL_defgv) = slot->defav;	550	GvAV (PL_defgv) = slot->defav;
523	GvSV (PL_errgv) = slot->errsv;	551	GvSV (PL_errgv) = slot->errsv;
524	GvSV (irsgv) = slot->irsgv;	552	GvSV (irsgv) = slot->irsgv;
		553	GvHV (PL_hintgv) = slot->hinthv;
525		554
526	#define VAR(name,type) PL_ ## name = slot->name;	555	#define VAR(name,type) PL_ ## name = slot->name;
527	# include "state.h"	556	# include "state.h"
528	#undef VAR	557	#undef VAR
529		558
…		…
543	PUTBACK;	572	PUTBACK;
544	}	573	}
545		574
546	slf_frame = c->slf_frame;	575	slf_frame = c->slf_frame;
547	CORO_THROW = c->except;	576	CORO_THROW = c->except;
		577
		578	if (expect_false (c->on_enter))
		579	{
		580	int i;
		581
		582	for (i = 0; i <= AvFILLp (c->on_enter); ++i)
		583	on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]);
		584	}
548	}	585	}
549		586
550	static void	587	static void
551	save_perl (pTHX_ Coro__State c)	588	save_perl (pTHX_ Coro__State c)
552	{	589	{
		590	if (expect_false (c->on_leave))
		591	{
		592	int i;
		593
		594	for (i = AvFILLp (c->on_leave); i >= 0; --i)
		595	on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]);
		596	}
		597
553	c->except = CORO_THROW;	598	c->except = CORO_THROW;
554	c->slf_frame = slf_frame;	599	c->slf_frame = slf_frame;
555		600
556	{	601	{
557	dSP;	602	dSP;
…		…
570	{	615	{
571	while (expect_true (cxix >= 0))	616	while (expect_true (cxix >= 0))
572	{	617	{
573	PERL_CONTEXT *cx = &ccstk[cxix--];	618	PERL_CONTEXT *cx = &ccstk[cxix--];
574		619
575	if (expect_true (CxTYPE (cx) == CXt_SUB \|\| CxTYPE (cx) == CXt_FORMAT))	620	if (expect_true (CxTYPE (cx) == CXt_SUB) \|\| expect_false (CxTYPE (cx) == CXt_FORMAT))
576	{	621	{
577	CV *cv = cx->blk_sub.cv;	622	CV *cv = cx->blk_sub.cv;
578		623
579	if (expect_true (CvDEPTH (cv)))	624	if (expect_true (CvDEPTH (cv)))
580	{	625	{
…		…
615	c->mainstack = PL_mainstack;	660	c->mainstack = PL_mainstack;
616		661
617	{	662	{
618	perl_slots slot = c->slot = (perl_slots )(cxstack + cxstack_ix + 1);	663	perl_slots slot = c->slot = (perl_slots )(cxstack + cxstack_ix + 1);
619		664
620	slot->defav = GvAV (PL_defgv);	665	slot->defav = GvAV (PL_defgv);
621	slot->defsv = DEFSV;	666	slot->defsv = DEFSV;
622	slot->errsv = ERRSV;	667	slot->errsv = ERRSV;
623	slot->irsgv = GvSV (irsgv);	668	slot->irsgv = GvSV (irsgv);
		669	slot->hinthv = GvHV (PL_hintgv);
624		670
625	#define VAR(name,type) slot->name = PL_ ## name;	671	#define VAR(name,type) slot->name = PL_ ## name;
626	# include "state.h"	672	# include "state.h"
627	#undef VAR	673	#undef VAR
628	}	674	}
…		…
755	#endif	801	#endif
756		802
757	/*	803	/*
758	* This overrides the default magic get method of %SIG elements.	804	* This overrides the default magic get method of %SIG elements.
759	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook	805	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook
760	* and instead of tryign to save and restore the hash elements, we just provide	806	* and instead of trying to save and restore the hash elements, we just provide
761	* readback here.	807	* readback here.
762	* We only do this when the hook is != 0, as they are often set to 0 temporarily,
763	* not expecting this to actually change the hook. This is a potential problem
764	* when a schedule happens then, but we ignore this.
765	*/	808	*/
766	static int	809	static int
767	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)	810	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)
768	{	811	{
769	const char *s = MgPV_nolen_const (mg);	812	const char *s = MgPV_nolen_const (mg);
…		…
822	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;	865	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
823		866
824	if (svp)	867	if (svp)
825	{	868	{
826	SV old = svp;	869	SV old = svp;
827	*svp = newSVsv (sv);	870	*svp = SvOK (sv) ? newSVsv (sv) : 0;
828	SvREFCNT_dec (old);	871	SvREFCNT_dec (old);
829	return 0;	872	return 0;
830	}	873	}
831	}	874	}
832		875
…		…
864		907
865	PL_runops = RUNOPS_DEFAULT;	908	PL_runops = RUNOPS_DEFAULT;
866	PL_curcop = &PL_compiling;	909	PL_curcop = &PL_compiling;
867	PL_in_eval = EVAL_NULL;	910	PL_in_eval = EVAL_NULL;
868	PL_comppad = 0;	911	PL_comppad = 0;
		912	PL_comppad_name = 0;
		913	PL_comppad_name_fill = 0;
		914	PL_comppad_name_floor = 0;
869	PL_curpm = 0;	915	PL_curpm = 0;
870	PL_curpad = 0;	916	PL_curpad = 0;
871	PL_localizing = 0;	917	PL_localizing = 0;
872	PL_dirty = 0;	918	PL_dirty = 0;
873	PL_restartop = 0;	919	PL_restartop = 0;
874	#if PERL_VERSION_ATLEAST (5,10,0)	920	#if PERL_VERSION_ATLEAST (5,10,0)
875	PL_parser = 0;	921	PL_parser = 0;
876	#endif	922	#endif
		923	PL_hints = 0;
877		924
878	/* recreate the die/warn hooks */	925	/* recreate the die/warn hooks */
879	PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook );	926	PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook );
880	PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook);	927	PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook);
881		928
882	GvSV (PL_defgv) = newSV (0);	929	GvSV (PL_defgv) = newSV (0);
883	GvAV (PL_defgv) = coro->args; coro->args = 0;	930	GvAV (PL_defgv) = coro->args; coro->args = 0;
884	GvSV (PL_errgv) = newSV (0);	931	GvSV (PL_errgv) = newSV (0);
885	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);	932	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
		933	GvHV (PL_hintgv) = 0;
886	PL_rs = newSVsv (GvSV (irsgv));	934	PL_rs = newSVsv (GvSV (irsgv));
887	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);	935	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);
888		936
889	{	937	{
890	dSP;	938	dSP;
…		…
919	/* copy throw, in case it was set before coro_setup */	967	/* copy throw, in case it was set before coro_setup */
920	CORO_THROW = coro->except;	968	CORO_THROW = coro->except;
921	}	969	}
922		970
923	static void	971	static void
924	coro_destruct (pTHX_ struct coro *coro)	972	coro_unwind_stacks (pTHX)
925	{	973	{
926	if (!IN_DESTRUCT)	974	if (!IN_DESTRUCT)
927	{	975	{
928	/* restore all saved variables and stuff */	976	/* restore all saved variables and stuff */
929	LEAVE_SCOPE (0);	977	LEAVE_SCOPE (0);
…		…
937	POPSTACK_TO (PL_mainstack);	985	POPSTACK_TO (PL_mainstack);
938		986
939	/* unwind main stack */	987	/* unwind main stack */
940	dounwind (-1);	988	dounwind (-1);
941	}	989	}
		990	}
942		991
943	SvREFCNT_dec (GvSV (PL_defgv));	992	static void
944	SvREFCNT_dec (GvAV (PL_defgv));	993	coro_destruct_perl (pTHX_ struct coro *coro)
945	SvREFCNT_dec (GvSV (PL_errgv));	994	{
946	SvREFCNT_dec (PL_defoutgv);	995	SV *svf [9];
947	SvREFCNT_dec (PL_rs);
948	SvREFCNT_dec (GvSV (irsgv));
949		996
950	SvREFCNT_dec (PL_diehook);
951	SvREFCNT_dec (PL_warnhook);
952		997	{
		998	struct coro *current = SvSTATE_current;
		999
		1000	assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack));
		1001
		1002	save_perl (aTHX_ current);
		1003	load_perl (aTHX_ coro);
		1004
		1005	coro_unwind_stacks (aTHX);
		1006	coro_destruct_stacks (aTHX);
		1007
		1008	// now save some sv's to be free'd later
		1009	svf [0] = GvSV (PL_defgv);
		1010	svf [1] = (SV *)GvAV (PL_defgv);
		1011	svf [2] = GvSV (PL_errgv);
		1012	svf [3] = (SV *)PL_defoutgv;
		1013	svf [4] = PL_rs;
		1014	svf [5] = GvSV (irsgv);
		1015	svf [6] = (SV *)GvHV (PL_hintgv);
		1016	svf [7] = PL_diehook;
		1017	svf [8] = PL_warnhook;
		1018	assert (9 == sizeof (svf) / sizeof (*svf));
		1019
		1020	load_perl (aTHX_ current);
		1021	}
		1022
		1023	{
		1024	int i;
		1025
		1026	for (i = 0; i < sizeof (svf) / sizeof (*svf); ++i)
		1027	SvREFCNT_dec (svf [i]);
		1028
953	SvREFCNT_dec (coro->saved_deffh);	1029	SvREFCNT_dec (coro->saved_deffh);
954	SvREFCNT_dec (coro->rouse_cb);	1030	SvREFCNT_dec (coro->rouse_cb);
955	SvREFCNT_dec (coro->invoke_cb);	1031	SvREFCNT_dec (coro->invoke_cb);
956	SvREFCNT_dec (coro->invoke_av);	1032	SvREFCNT_dec (coro->invoke_av);
957		1033	}
958	coro_destruct_stacks (aTHX);
959	}	1034	}
960		1035
961	INLINE void	1036	INLINE void
962	free_coro_mortal (pTHX)	1037	free_coro_mortal (pTHX)
963	{	1038	{
…		…
971	static int	1046	static int
972	runops_trace (pTHX)	1047	runops_trace (pTHX)
973	{	1048	{
974	COP *oldcop = 0;	1049	COP *oldcop = 0;
975	int oldcxix = -2;	1050	int oldcxix = -2;
976	struct coro coro = SvSTATE_current; / trace cctx is tied to specific coro */
977	coro_cctx *cctx = coro->cctx;
978		1051
979	while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))	1052	while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))
980	{	1053	{
981	PERL_ASYNC_CHECK ();	1054	PERL_ASYNC_CHECK ();
982		1055
983	if (cctx->flags & CC_TRACE_ALL)	1056	if (cctx_current->flags & CC_TRACE_ALL)
984	{	1057	{
985	if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB)	1058	if (PL_op->op_type == OP_LEAVESUB && cctx_current->flags & CC_TRACE_SUB)
986	{	1059	{
987	PERL_CONTEXT *cx = &cxstack[cxstack_ix];	1060	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
988	SV bot, top;	1061	SV bot, top;
989	AV av = newAV (); / return values */	1062	AV av = newAV (); / return values */
990	SV **cb;	1063	SV **cb;
…		…
1027		1100
1028	if (PL_curcop != &PL_compiling)	1101	if (PL_curcop != &PL_compiling)
1029	{	1102	{
1030	SV **cb;	1103	SV **cb;
1031		1104
1032	if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB)	1105	if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB)
1033	{	1106	{
1034	PERL_CONTEXT *cx = &cxstack[cxstack_ix];	1107	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
1035		1108
1036	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)	1109	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)
1037	{	1110	{
…		…
1060	}	1133	}
1061		1134
1062	oldcxix = cxstack_ix;	1135	oldcxix = cxstack_ix;
1063	}	1136	}
1064		1137
1065	if (cctx->flags & CC_TRACE_LINE)	1138	if (cctx_current->flags & CC_TRACE_LINE)
1066	{	1139	{
1067	dSP;	1140	dSP;
1068		1141
1069	PL_runops = RUNOPS_DEFAULT;	1142	PL_runops = RUNOPS_DEFAULT;
1070	ENTER;	1143	ENTER;
…		…
1170	/*	1243	/*
1171	* If perl-run returns we assume exit() was being called or the coro	1244	* If perl-run returns we assume exit() was being called or the coro
1172	* fell off the end, which seems to be the only valid (non-bug)	1245	* fell off the end, which seems to be the only valid (non-bug)
1173	* reason for perl_run to return. We try to exit by jumping to the	1246	* reason for perl_run to return. We try to exit by jumping to the
1174	* bootstrap-time "top" top_env, as we cannot restore the "main"	1247	* bootstrap-time "top" top_env, as we cannot restore the "main"
1175	* coroutine as Coro has no such concept	1248	* coroutine as Coro has no such concept.
		1249	* This actually isn't valid with the pthread backend, but OSes requiring
		1250	* that backend are too broken to do it in a standards-compliant way.
1176	*/	1251	*/
1177	PL_top_env = main_top_env;	1252	PL_top_env = main_top_env;
1178	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */	1253	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */
1179	}	1254	}
1180	}	1255	}
…		…
1257	cctx_destroy (coro_cctx *cctx)	1332	cctx_destroy (coro_cctx *cctx)
1258	{	1333	{
1259	if (!cctx)	1334	if (!cctx)
1260	return;	1335	return;
1261		1336
1262	assert (cctx != cctx_current);//D temporary	1337	assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));//D temporary?
1263		1338
1264	--cctx_count;	1339	--cctx_count;
1265	coro_destroy (&cctx->cctx);	1340	coro_destroy (&cctx->cctx);
1266		1341
1267	/* coro_transfer creates new, empty cctx's */	1342	/* coro_transfer creates new, empty cctx's */
…		…
1331	/* TODO: throwing up here is considered harmful */	1406	/* TODO: throwing up here is considered harmful */
1332		1407
1333	if (expect_true (prev != next))	1408	if (expect_true (prev != next))
1334	{	1409	{
1335	if (expect_false (!(prev->flags & (CF_RUNNING \| CF_NEW))))	1410	if (expect_false (!(prev->flags & (CF_RUNNING \| CF_NEW))))
1336	croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states,");	1411	croak ("Coro::State::transfer called with a blocked prev Coro::State, but can only transfer from running or new states,");
1337		1412
1338	if (expect_false (next->flags & CF_RUNNING))
1339	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states,");
1340
1341	if (expect_false (next->flags & CF_DESTROYED))	1413	if (expect_false (next->flags & (CF_RUNNING \| CF_DESTROYED \| CF_SUSPENDED)))
1342	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states,");	1414	croak ("Coro::State::transfer called with running, destroyed or suspended next Coro::State, but can only transfer to inactive states,");
1343		1415
1344	#if !PERL_VERSION_ATLEAST (5,10,0)	1416	#if !PERL_VERSION_ATLEAST (5,10,0)
1345	if (expect_false (PL_lex_state != LEX_NOTPARSING))	1417	if (expect_false (PL_lex_state != LEX_NOTPARSING))
1346	croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,");	1418	croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version,");
1347	#endif	1419	#endif
…		…
1395	))	1467	))
1396	{	1468	{
1397	/* I assume that stacklevel is a stronger indicator than PL_top_env changes */	1469	/* I assume that stacklevel is a stronger indicator than PL_top_env changes */
1398	assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te));	1470	assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te));
1399		1471
1400	/* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */	1472	/* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */
1401	/* without this the next cctx_get might destroy the prev__cctx while still in use */	1473	/* without this the next cctx_get might destroy the running cctx while still in use */
1402	if (expect_false (CCTX_EXPIRED (cctx_current)))	1474	if (expect_false (CCTX_EXPIRED (cctx_current)))
1403	if (!next->cctx)	1475	if (expect_true (!next->cctx))
1404	next->cctx = cctx_get (aTHX);	1476	next->cctx = cctx_get (aTHX);
1405		1477
1406	cctx_put (cctx_current);	1478	cctx_put (cctx_current);
1407	assert (!prev->cctx);//D temporary
1408	}	1479	}
1409	else	1480	else
1410	prev->cctx = cctx_current;	1481	prev->cctx = cctx_current;
1411		1482
1412	++next->usecount;	1483	++next->usecount;
…		…
1436	coro_state_destroy (pTHX_ struct coro *coro)	1507	coro_state_destroy (pTHX_ struct coro *coro)
1437	{	1508	{
1438	if (coro->flags & CF_DESTROYED)	1509	if (coro->flags & CF_DESTROYED)
1439	return 0;	1510	return 0;
1440		1511
1441	if (coro->on_destroy)	1512	if (coro->on_destroy && !PL_dirty)
1442	coro->on_destroy (aTHX_ coro);	1513	coro->on_destroy (aTHX_ coro);
1443		1514
1444	coro->flags \|= CF_DESTROYED;	1515	coro->flags \|= CF_DESTROYED;
1445		1516
1446	if (coro->flags & CF_READY)	1517	if (coro->flags & CF_READY)
…		…
1450	--coro_nready;	1521	--coro_nready;
1451	}	1522	}
1452	else	1523	else
1453	coro->flags \|= CF_READY; /* make sure it is NOT put into the readyqueue */	1524	coro->flags \|= CF_READY; /* make sure it is NOT put into the readyqueue */
1454		1525
1455	if (coro->mainstack && coro->mainstack != main_mainstack)	1526	if (coro->mainstack
1456	{	1527	&& coro->mainstack != main_mainstack
1457	struct coro temp;	1528	&& coro->slot
1458		1529	&& !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);	1530	coro_destruct_perl (aTHX_ coro);
1465
1466	load_perl (aTHX_ &temp);
1467
1468	coro->slot = 0;
1469	}
1470		1531
1471	cctx_destroy (coro->cctx);	1532	cctx_destroy (coro->cctx);
1472	SvREFCNT_dec (coro->startcv);	1533	SvREFCNT_dec (coro->startcv);
1473	SvREFCNT_dec (coro->args);	1534	SvREFCNT_dec (coro->args);
1474	SvREFCNT_dec (CORO_THROW);	1535	SvREFCNT_dec (CORO_THROW);
…		…
1561	/ Coro ******************************************************************/	1622	/ Coro ******************************************************************/
1562		1623
1563	INLINE void	1624	INLINE void
1564	coro_enq (pTHX_ struct coro *coro)	1625	coro_enq (pTHX_ struct coro *coro)
1565	{	1626	{
1566	av_push (coro_ready [coro->prio - PRIO_MIN], SvREFCNT_inc_NN (coro->hv));	1627	struct coro **ready = coro_ready [coro->prio - PRIO_MIN];
1567	}
1568		1628
1569	INLINE SV *	1629	SvREFCNT_inc_NN (coro->hv);
		1630
		1631	coro->next_ready = 0;
		1632	*(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro;
		1633	ready [1] = coro;
		1634	}
		1635
		1636	INLINE struct coro *
1570	coro_deq (pTHX)	1637	coro_deq (pTHX)
1571	{	1638	{
1572	int prio;	1639	int prio;
1573		1640
1574	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; )	1641	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; )
1575	if (AvFILLp (coro_ready [prio]) >= 0)	1642	{
1576	return av_shift (coro_ready [prio]);	1643	struct coro **ready = coro_ready [prio];
		1644
		1645	if (ready [0])
		1646	{
		1647	struct coro *coro = ready [0];
		1648	ready [0] = coro->next_ready;
		1649	return coro;
		1650	}
		1651	}
1577		1652
1578	return 0;	1653	return 0;
1579	}	1654	}
1580		1655
1581	static int	1656	static int
…		…
1583	{	1658	{
1584	struct coro *coro;	1659	struct coro *coro;
1585	SV *sv_hook;	1660	SV *sv_hook;
1586	void (*xs_hook)(void);	1661	void (*xs_hook)(void);
1587		1662
1588	if (SvROK (coro_sv))
1589	coro_sv = SvRV (coro_sv);
1590
1591	coro = SvSTATE (coro_sv);	1663	coro = SvSTATE (coro_sv);
1592		1664
1593	if (coro->flags & CF_READY)	1665	if (coro->flags & CF_READY)
1594	return 0;	1666	return 0;
1595		1667
…		…
1648	static void	1720	static void
1649	prepare_schedule (pTHX_ struct coro_transfer_args *ta)	1721	prepare_schedule (pTHX_ struct coro_transfer_args *ta)
1650	{	1722	{
1651	for (;;)	1723	for (;;)
1652	{	1724	{
1653	SV *next_sv = coro_deq (aTHX);	1725	struct coro *next = coro_deq (aTHX);
1654		1726
1655	if (expect_true (next_sv))	1727	if (expect_true (next))
1656	{	1728	{
1657	struct coro *next = SvSTATE_hv (next_sv);
1658
1659	/* cannot transfer to destroyed coros, skip and look for next */	1729	/* cannot transfer to destroyed coros, skip and look for next */
1660	if (expect_false (next->flags & CF_DESTROYED))	1730	if (expect_false (next->flags & (CF_DESTROYED \| CF_SUSPENDED)))
1661	SvREFCNT_dec (next_sv); /* coro_nready has already been taken care of by destroy */	1731	SvREFCNT_dec (next->hv); /* coro_nready has already been taken care of by destroy */
1662	else	1732	else
1663	{	1733	{
1664	next->flags &= ~CF_READY;	1734	next->flags &= ~CF_READY;
1665	--coro_nready;	1735	--coro_nready;
1666		1736
…		…
1669	}	1739	}
1670	}	1740	}
1671	else	1741	else
1672	{	1742	{
1673	/* nothing to schedule: call the idle handler */	1743	/* nothing to schedule: call the idle handler */
		1744	if (SvROK (sv_idle)
		1745	&& SvOBJECT (SvRV (sv_idle)))
		1746	{
		1747	++coro_nready; /* hack so that api_ready doesn't invoke ready hook */
		1748	api_ready (aTHX_ SvRV (sv_idle));
		1749	--coro_nready;
		1750	}
		1751	else
		1752	{
1674	dSP;	1753	dSP;
1675		1754
1676	ENTER;	1755	ENTER;
1677	SAVETMPS;	1756	SAVETMPS;
1678		1757
1679	PUSHMARK (SP);	1758	PUSHMARK (SP);
1680	PUTBACK;	1759	PUTBACK;
1681	call_sv (get_sv ("Coro::idle", FALSE), G_VOID \| G_DISCARD);	1760	call_sv (sv_idle, G_VOID \| G_DISCARD);
1682		1761
1683	FREETMPS;	1762	FREETMPS;
1684	LEAVE;	1763	LEAVE;
		1764	}
1685	}	1765	}
1686	}	1766	}
1687	}	1767	}
1688		1768
1689	INLINE void	1769	INLINE void
…		…
1760	static void	1840	static void
1761	api_trace (pTHX_ SV *coro_sv, int flags)	1841	api_trace (pTHX_ SV *coro_sv, int flags)
1762	{	1842	{
1763	struct coro *coro = SvSTATE (coro_sv);	1843	struct coro *coro = SvSTATE (coro_sv);
1764		1844
		1845	if (coro->flags & CF_RUNNING)
		1846	croak ("cannot enable tracing on a running coroutine, caught");
		1847
1765	if (flags & CC_TRACE)	1848	if (flags & CC_TRACE)
1766	{	1849	{
1767	if (!coro->cctx)	1850	if (!coro->cctx)
1768	coro->cctx = cctx_new_run ();	1851	coro->cctx = cctx_new_run ();
1769	else if (!(coro->cctx->flags & CC_TRACE))	1852	else if (!(coro->cctx->flags & CC_TRACE))
1770	croak ("cannot enable tracing on coroutine with custom stack,");	1853	croak ("cannot enable tracing on coroutine with custom stack, caught");
1771		1854
1772	coro->cctx->flags \|= CC_NOREUSE \| (flags & (CC_TRACE \| CC_TRACE_ALL));	1855	coro->cctx->flags \|= CC_NOREUSE \| (flags & (CC_TRACE \| CC_TRACE_ALL));
1773	}	1856	}
1774	else if (coro->cctx && coro->cctx->flags & CC_TRACE)	1857	else if (coro->cctx && coro->cctx->flags & CC_TRACE)
1775	{	1858	{
…		…
1831	av_push (av_destroy, (SV )newRV_inc ((SV )hv)); /* RVinc for perl */	1914	av_push (av_destroy, (SV )newRV_inc ((SV )hv)); /* RVinc for perl */
1832	api_ready (aTHX_ sv_manager);	1915	api_ready (aTHX_ sv_manager);
1833		1916
1834	frame->prepare = prepare_schedule;	1917	frame->prepare = prepare_schedule;
1835	frame->check = slf_check_repeat;	1918	frame->check = slf_check_repeat;
		1919
		1920	/* as a minor optimisation, we could unwind all stacks here */
		1921	/* but that puts extra pressure on pp_slf, and is not worth much */
		1922	/coro_unwind_stacks (aTHX);/
1836	}	1923	}
1837		1924
1838	/*****************************************************************************/	1925	/*****************************************************************************/
1839	/* async pool handler */	1926	/* async pool handler */
1840		1927
…		…
1923	SV data = (SV )GENSUB_ARG;	2010	SV data = (SV )GENSUB_ARG;
1924		2011
1925	if (SvTYPE (SvRV (data)) != SVt_PVAV)	2012	if (SvTYPE (SvRV (data)) != SVt_PVAV)
1926	{	2013	{
1927	/* first call, set args */	2014	/* first call, set args */
		2015	SV *coro = SvRV (data);
1928	AV *av = newAV ();	2016	AV *av = newAV ();
1929	SV *coro = SvRV (data);
1930		2017
1931	SvRV_set (data, (SV *)av);	2018	SvRV_set (data, (SV *)av);
1932	api_ready (aTHX_ coro);
1933	SvREFCNT_dec (coro);
1934		2019
1935	/* better take a full copy of the arguments */	2020	/* better take a full copy of the arguments */
1936	while (items--)	2021	while (items--)
1937	av_store (av, items, newSVsv (ST (items)));	2022	av_store (av, items, newSVsv (ST (items)));
		2023
		2024	api_ready (aTHX_ coro);
		2025	SvREFCNT_dec (coro);
1938	}	2026	}
1939		2027
1940	XSRETURN_EMPTY;	2028	XSRETURN_EMPTY;
1941	}	2029	}
1942		2030
…		…
1959		2047
1960	EXTEND (SP, AvFILLp (av) + 1);	2048	EXTEND (SP, AvFILLp (av) + 1);
1961	for (i = 0; i <= AvFILLp (av); ++i)	2049	for (i = 0; i <= AvFILLp (av); ++i)
1962	PUSHs (sv_2mortal (AvARRAY (av)[i]));	2050	PUSHs (sv_2mortal (AvARRAY (av)[i]));
1963		2051
1964	/* we have stolen the elements, so ste length to zero and free */	2052	/* we have stolen the elements, so set length to zero and free */
1965	AvFILLp (av) = -1;	2053	AvFILLp (av) = -1;
1966	av_undef (av);	2054	av_undef (av);
1967		2055
1968	PUTBACK;	2056	PUTBACK;
1969	}	2057	}
…		…
2259		2347
2260	PL_op->op_ppaddr = pp_slf;	2348	PL_op->op_ppaddr = pp_slf;
2261	/PL_op->op_type = OP_CUSTOM; / we do behave like entersub still */	2349	/PL_op->op_type = OP_CUSTOM; / we do behave like entersub still */
2262		2350
2263	PL_op = (OP *)&slf_restore;	2351	PL_op = (OP *)&slf_restore;
		2352	}
		2353
		2354	/*****************************************************************************/
		2355	/* dynamic wind */
		2356
		2357	static void
		2358	on_enterleave_call (pTHX_ SV *cb)
		2359	{
		2360	dSP;
		2361
		2362	PUSHSTACK;
		2363
		2364	PUSHMARK (SP);
		2365	PUTBACK;
		2366	call_sv (cb, G_VOID \| G_DISCARD);
		2367	SPAGAIN;
		2368
		2369	POPSTACK;
		2370	}
		2371
		2372	static SV *
		2373	coro_avp_pop_and_free (pTHX_ AV **avp)
		2374	{
		2375	AV av = avp;
		2376	SV *res = av_pop (av);
		2377
		2378	if (AvFILLp (av) < 0)
		2379	{
		2380	*avp = 0;
		2381	SvREFCNT_dec (av);
		2382	}
		2383
		2384	return res;
		2385	}
		2386
		2387	static void
		2388	coro_pop_on_enter (pTHX_ void *coro)
		2389	{
		2390	SV cb = coro_avp_pop_and_free (aTHX_ &((struct coro )coro)->on_enter);
		2391	SvREFCNT_dec (cb);
		2392	}
		2393
		2394	static void
		2395	coro_pop_on_leave (pTHX_ void *coro)
		2396	{
		2397	SV cb = coro_avp_pop_and_free (aTHX_ &((struct coro )coro)->on_leave);
		2398	on_enterleave_call (aTHX_ sv_2mortal (cb));
2264	}	2399	}
2265		2400
2266	/*****************************************************************************/	2401	/*****************************************************************************/
2267	/* PerlIO::cede */	2402	/* PerlIO::cede */
2268		2403
…		…
2342	/* Coro::Semaphore & Coro::Signal */	2477	/* Coro::Semaphore & Coro::Signal */
2343		2478
2344	static SV *	2479	static SV *
2345	coro_waitarray_new (pTHX_ int count)	2480	coro_waitarray_new (pTHX_ int count)
2346	{	2481	{
2347	/* a semaphore contains a counter IV in $sem->[0] and any waiters after that */	2482	/* a waitarray=semaphore contains a counter IV in $sem->[0] and any waiters after that */
2348	AV *av = newAV ();	2483	AV *av = newAV ();
2349	SV **ary;	2484	SV **ary;
2350		2485
2351	/* unfortunately, building manually saves memory */	2486	/* unfortunately, building manually saves memory */
2352	Newx (ary, 2, SV *);	2487	Newx (ary, 2, SV *);
2353	AvALLOC (av) = ary;	2488	AvALLOC (av) = ary;
		2489	#if PERL_VERSION_ATLEAST (5,10,0)
2354	/AvARRAY (av) = ary;/	2490	AvARRAY (av) = ary;
		2491	#else
2355	SvPVX ((SV )av) = (char )ary; /* 5.8.8 needs this syntax instead of AvARRAY = ary */	2492	/* 5.8.8 needs this syntax instead of AvARRAY = ary, yet */
		2493	/* -DDEBUGGING flags this as a bug, despite it perfectly working */
		2494	SvPVX ((SV )av) = (char )ary;
		2495	#endif
2356	AvMAX (av) = 1;	2496	AvMAX (av) = 1;
2357	AvFILLp (av) = 0;	2497	AvFILLp (av) = 0;
2358	ary [0] = newSViv (count);	2498	ary [0] = newSViv (count);
2359		2499
2360	return newRV_noinc ((SV *)av);	2500	return newRV_noinc ((SV *)av);
…		…
2491	{	2631	{
2492	/* callback form */	2632	/* callback form */
2493	AV av = (AV )SvRV (arg [0]);	2633	AV av = (AV )SvRV (arg [0]);
2494	CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]);	2634	CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]);
2495		2635
2496	av_push (av, (SV *)SvREFCNT_inc_NN (cb_cv));	2636	av_push (av, SvREFCNT_inc_NN (cb_cv));
2497		2637
2498	if (SvIVX (AvARRAY (av)[0]) > 0)	2638	if (SvIVX (AvARRAY (av)[0]) > 0)
2499	coro_semaphore_adjust (aTHX_ av, 0);	2639	coro_semaphore_adjust (aTHX_ av, 0);
2500		2640
2501	frame->prepare = prepare_nop;	2641	frame->prepare = prepare_nop;
…		…
2525	AvARRAY (av)[0] = AvARRAY (av)[1];	2665	AvARRAY (av)[0] = AvARRAY (av)[1];
2526	AvARRAY (av)[1] = cb;	2666	AvARRAY (av)[1] = cb;
2527		2667
2528	cb = av_shift (av);	2668	cb = av_shift (av);
2529		2669
		2670	if (SvTYPE (cb) == SVt_PVCV)
		2671	{
		2672	dSP;
		2673	PUSHMARK (SP);
		2674	XPUSHs (sv_2mortal (newRV_inc ((SV *)av)));
		2675	PUTBACK;
		2676	call_sv (cb, G_VOID \| G_DISCARD \| G_EVAL \| G_KEEPERR);
		2677	}
		2678	else
		2679	{
2530	api_ready (aTHX_ cb);	2680	api_ready (aTHX_ cb);
2531	sv_setiv (cb, 0); /* signal waiter */	2681	sv_setiv (cb, 0); /* signal waiter */
		2682	}
		2683
2532	SvREFCNT_dec (cb);	2684	SvREFCNT_dec (cb);
2533		2685
2534	--count;	2686	--count;
2535	}	2687	}
2536	}	2688	}
…		…
2545	static void	2697	static void
2546	slf_init_signal_wait (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)	2698	slf_init_signal_wait (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)
2547	{	2699	{
2548	AV av = (AV )SvRV (arg [0]);	2700	AV av = (AV )SvRV (arg [0]);
2549		2701
		2702	if (items >= 2)
		2703	{
		2704	CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]);
		2705	av_push (av, SvREFCNT_inc_NN (cb_cv));
		2706
2550	if (SvIVX (AvARRAY (av)[0]))	2707	if (SvIVX (AvARRAY (av)[0]))
		2708	coro_signal_wake (aTHX_ av, 1); /* ust be the only waiter */
		2709
		2710	frame->prepare = prepare_nop;
		2711	frame->check = slf_check_nop;
		2712	}
		2713	else if (SvIVX (AvARRAY (av)[0]))
2551	{	2714	{
2552	SvIVX (AvARRAY (av)[0]) = 0;	2715	SvIVX (AvARRAY (av)[0]) = 0;
2553	frame->prepare = prepare_nop;	2716	frame->prepare = prepare_nop;
2554	frame->check = slf_check_nop;	2717	frame->check = slf_check_nop;
2555	}	2718	}
2556	else	2719	else
2557	{	2720	{
2558	SV waiter = newRV_inc (SvRV (coro_current)); / owned by signal av */	2721	SV waiter = newSVsv (coro_current); / owned by signal av */
2559		2722
2560	av_push (av, waiter);	2723	av_push (av, waiter);
2561		2724
2562	frame->data = (void )sv_2mortal (SvREFCNT_inc_NN (waiter)); / owned by process */	2725	frame->data = (void )sv_2mortal (SvREFCNT_inc_NN (waiter)); / owned by process */
2563	frame->prepare = prepare_schedule;	2726	frame->prepare = prepare_schedule;
…		…
2889	SV *	3052	SV *
2890	clone (Coro::State coro)	3053	clone (Coro::State coro)
2891	CODE:	3054	CODE:
2892	{	3055	{
2893	#if CORO_CLONE	3056	#if CORO_CLONE
2894	struct coro *ncoro = coro_clone (coro);	3057	struct coro *ncoro = coro_clone (aTHX_ coro);
2895	MAGIC *mg;	3058	MAGIC *mg;
2896	/* TODO: too much duplication */	3059	/* TODO: too much duplication */
2897	ncoro->hv = newHV ();	3060	ncoro->hv = newHV ();
2898	mg = sv_magicext ((SV )ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char )ncoro, 0);	3061	mg = sv_magicext ((SV )ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char )ncoro, 0);
2899	mg->mg_flags \|= MGf_DUP;	3062	mg->mg_flags \|= MGf_DUP;
…		…
2961	eval = 1	3124	eval = 1
2962	CODE:	3125	CODE:
2963	{	3126	{
2964	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))	3127	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))
2965	{	3128	{
2966	struct coro temp;	3129	struct coro *current = SvSTATE_current;
2967		3130
2968	if (!(coro->flags & CF_RUNNING))	3131	if (current != coro)
2969	{	3132	{
2970	PUTBACK;	3133	PUTBACK;
2971	save_perl (aTHX_ &temp);	3134	save_perl (aTHX_ current);
2972	load_perl (aTHX_ coro);	3135	load_perl (aTHX_ coro);
		3136	SPAGAIN;
2973	}	3137	}
2974		3138
2975	{
2976	dSP;
2977	ENTER;
2978	SAVETMPS;
2979	PUTBACK;
2980	PUSHSTACK;	3139	PUSHSTACK;
		3140
2981	PUSHMARK (SP);	3141	PUSHMARK (SP);
		3142	PUTBACK;
2982		3143
2983	if (ix)	3144	if (ix)
2984	eval_sv (coderef, 0);	3145	eval_sv (coderef, 0);
2985	else	3146	else
2986	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	3147	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
2987		3148
2988	POPSTACK;	3149	POPSTACK;
2989	SPAGAIN;	3150	SPAGAIN;
2990	FREETMPS;
2991	LEAVE;
2992	PUTBACK;
2993	}
2994		3151
2995	if (!(coro->flags & CF_RUNNING))	3152	if (current != coro)
2996	{	3153	{
		3154	PUTBACK;
2997	save_perl (aTHX_ coro);	3155	save_perl (aTHX_ coro);
2998	load_perl (aTHX_ &temp);	3156	load_perl (aTHX_ current);
2999	SPAGAIN;	3157	SPAGAIN;
3000	}	3158	}
3001	}	3159	}
3002	}	3160	}
3003		3161
…		…
3007	ALIAS:	3165	ALIAS:
3008	is_ready = CF_READY	3166	is_ready = CF_READY
3009	is_running = CF_RUNNING	3167	is_running = CF_RUNNING
3010	is_new = CF_NEW	3168	is_new = CF_NEW
3011	is_destroyed = CF_DESTROYED	3169	is_destroyed = CF_DESTROYED
		3170	is_suspended = CF_SUSPENDED
3012	CODE:	3171	CODE:
3013	RETVAL = boolSV (coro->flags & ix);	3172	RETVAL = boolSV (coro->flags & ix);
3014	OUTPUT:	3173	OUTPUT:
3015	RETVAL	3174	RETVAL
3016		3175
…		…
3032		3191
3033	SV *	3192	SV *
3034	has_cctx (Coro::State coro)	3193	has_cctx (Coro::State coro)
3035	PROTOTYPE: $	3194	PROTOTYPE: $
3036	CODE:	3195	CODE:
3037	RETVAL = boolSV (!!coro->cctx);	3196	/* maybe manage the running flag differently */
		3197	RETVAL = boolSV (!!coro->cctx \|\| (coro->flags & CF_RUNNING));
3038	OUTPUT:	3198	OUTPUT:
3039	RETVAL	3199	RETVAL
3040		3200
3041	int	3201	int
3042	is_traced (Coro::State coro)	3202	is_traced (Coro::State coro)
…		…
3062		3222
3063	void	3223	void
3064	force_cctx ()	3224	force_cctx ()
3065	PROTOTYPE:	3225	PROTOTYPE:
3066	CODE:	3226	CODE:
3067	SvSTATE_current->cctx->idle_sp = 0;	3227	cctx_current->idle_sp = 0;
3068		3228
3069	void	3229	void
3070	swap_defsv (Coro::State self)	3230	swap_defsv (Coro::State self)
3071	PROTOTYPE: $	3231	PROTOTYPE: $
3072	ALIAS:	3232	ALIAS:
…		…
3080	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;	3240	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;
3081		3241
3082	SV tmp = src; src = dst; *dst = tmp;	3242	SV tmp = src; src = dst; *dst = tmp;
3083	}	3243	}
3084		3244
		3245	void
		3246	cancel (Coro::State self)
		3247	CODE:
		3248	coro_state_destroy (aTHX_ self);
		3249	coro_call_on_destroy (aTHX_ self); /* actually only for Coro objects */
		3250
3085		3251
3086	MODULE = Coro::State PACKAGE = Coro	3252	MODULE = Coro::State PACKAGE = Coro
3087		3253
3088	BOOT:	3254	BOOT:
3089	{	3255	{
3090	int i;
3091
3092	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);	3256	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
3093	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);	3257	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
3094	cv_coro_run = get_cv ( "Coro::_terminate", GV_ADD);	3258	cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD);
3095	cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD);	3259	cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD);
3096	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);	3260	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);
3097	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);	3261	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
3098	av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE);	3262	av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE);
3099	sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE);	3263	sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE);
		3264	sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE);
3100		3265
3101	sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle);	3266	sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle);
3102	sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro);	3267	sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro);
3103	cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler);	3268	cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler);
3104	cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new);	3269	cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new);
…		…
3109	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	3274	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
3110	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));	3275	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
3111	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));	3276	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
3112	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));	3277	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));
3113	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));	3278	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));
3114
3115	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
3116	coro_ready[i] = newAV ();
3117		3279
3118	{	3280	{
3119	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);	3281	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);
3120		3282
3121	coroapi.schedule = api_schedule;	3283	coroapi.schedule = api_schedule;
…		…
3162	cede_notself (...)	3324	cede_notself (...)
3163	CODE:	3325	CODE:
3164	CORO_EXECUTE_SLF_XS (slf_init_cede_notself);	3326	CORO_EXECUTE_SLF_XS (slf_init_cede_notself);
3165		3327
3166	void	3328	void
3167	_cancel (Coro::State self)
3168	CODE:
3169	coro_state_destroy (aTHX_ self);
3170	coro_call_on_destroy (aTHX_ self);
3171
3172	void
3173	_set_current (SV *current)	3329	_set_current (SV *current)
3174	PROTOTYPE: $	3330	PROTOTYPE: $
3175	CODE:	3331	CODE:
3176	SvREFCNT_dec (SvRV (coro_current));	3332	SvREFCNT_dec (SvRV (coro_current));
3177	SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));	3333	SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));
…		…
3219	PROTOTYPE:	3375	PROTOTYPE:
3220	CODE:	3376	CODE:
3221	RETVAL = coro_nready;	3377	RETVAL = coro_nready;
3222	OUTPUT:	3378	OUTPUT:
3223	RETVAL	3379	RETVAL
		3380
		3381	void
		3382	suspend (Coro::State self)
		3383	PROTOTYPE: $
		3384	CODE:
		3385	self->flags \|= CF_SUSPENDED;
		3386
		3387	void
		3388	resume (Coro::State self)
		3389	PROTOTYPE: $
		3390	CODE:
		3391	self->flags &= ~CF_SUSPENDED;
3224		3392
3225	void	3393	void
3226	_pool_handler (...)	3394	_pool_handler (...)
3227	CODE:	3395	CODE:
3228	CORO_EXECUTE_SLF_XS (slf_init_pool_handler);	3396	CORO_EXECUTE_SLF_XS (slf_init_pool_handler);
…		…
3283	rouse_wait (...)	3451	rouse_wait (...)
3284	PROTOTYPE: ;$	3452	PROTOTYPE: ;$
3285	PPCODE:	3453	PPCODE:
3286	CORO_EXECUTE_SLF_XS (slf_init_rouse_wait);	3454	CORO_EXECUTE_SLF_XS (slf_init_rouse_wait);
3287		3455
		3456	void
		3457	on_enter (SV *block)
		3458	ALIAS:
		3459	on_leave = 1
		3460	PROTOTYPE: &
		3461	CODE:
		3462	{
		3463	struct coro *coro = SvSTATE_current;
		3464	AV **avp = ix ? &coro->on_leave : &coro->on_enter;
		3465
		3466	block = (SV *)coro_sv_2cv (aTHX_ block);
		3467
		3468	if (!*avp)
		3469	*avp = newAV ();
		3470
		3471	av_push (*avp, SvREFCNT_inc (block));
		3472
		3473	if (!ix)
		3474	on_enterleave_call (aTHX_ block);
		3475
		3476	LEAVE; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */
		3477	SAVEDESTRUCTOR_X (ix ? coro_pop_on_leave : coro_pop_on_enter, (void *)coro);
		3478	ENTER; /* pp_entersub unfortunately forces an ENTER/LEAVE around XS calls */
		3479	}
		3480
3288		3481
3289	MODULE = Coro::State PACKAGE = PerlIO::cede	3482	MODULE = Coro::State PACKAGE = PerlIO::cede
3290		3483
3291	BOOT:	3484	BOOT:
3292	PerlIO_define_layer (aTHX_ &PerlIO_cede);	3485	PerlIO_define_layer (aTHX_ &PerlIO_cede);
…		…
3302	GvSTASH (CvGV (cv))	3495	GvSTASH (CvGV (cv))
3303	);	3496	);
3304	OUTPUT:	3497	OUTPUT:
3305	RETVAL	3498	RETVAL
3306		3499
3307	# helper for Coro::Channel	3500	# helper for Coro::Channel and others
3308	SV *	3501	SV *
3309	_alloc (int count)	3502	_alloc (int count)
3310	CODE:	3503	CODE:
3311	RETVAL = coro_waitarray_new (aTHX_ count);	3504	RETVAL = coro_waitarray_new (aTHX_ count);
3312	OUTPUT:	3505	OUTPUT:
…		…
3370	for (i = 1; i <= wcount; ++i)	3563	for (i = 1; i <= wcount; ++i)
3371	PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i])));	3564	PUSHs (sv_2mortal (newRV_inc (AvARRAY (av)[i])));
3372	}	3565	}
3373	}	3566	}
3374		3567
		3568	MODULE = Coro::State PACKAGE = Coro::SemaphoreSet
		3569
		3570	void
		3571	_may_delete (SV *sem, int count, int extra_refs)
		3572	PPCODE:
		3573	{
		3574	AV av = (AV )SvRV (sem);
		3575
		3576	if (SvREFCNT ((SV *)av) == 1 + extra_refs
		3577	&& AvFILLp (av) == 0 /* no waiters, just count */
		3578	&& SvIV (AvARRAY (av)[0]) == count)
		3579	XSRETURN_YES;
		3580
		3581	XSRETURN_NO;
		3582	}
		3583
3375	MODULE = Coro::State PACKAGE = Coro::Signal	3584	MODULE = Coro::State PACKAGE = Coro::Signal
3376		3585
3377	SV *	3586	SV *
3378	new (SV *klass)	3587	new (SV *klass)
3379	CODE:	3588	CODE:

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Comparing Coro/Coro/State.xs (file contents): Revision 1.322 by root, Sat Nov 22 05:13:34 2008 UTC vs. Revision 1.355 by root, Wed Jun 24 02:52:38 2009 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.322 by root, Sat Nov 22 05:13:34 2008 UTC vs.
Revision 1.355 by root, Wed Jun 24 02:52:38 2009 UTC