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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.320 by root, Fri Nov 21 07:29:04 2008 UTC vs.
Revision 1.339 by root, Mon Dec 15 00:28:30 2008 UTC

…		…
101	# define CvISXSUB_on(cv) (void)cv	101	# define CvISXSUB_on(cv) (void)cv
102	#endif	102	#endif
103	#ifndef CvISXSUB	103	#ifndef CvISXSUB
104	# define CvISXSUB(cv) (CvXSUB (cv) ? TRUE : FALSE)	104	# define CvISXSUB(cv) (CvXSUB (cv) ? TRUE : FALSE)
105	#endif	105	#endif
		106	#ifndef Newx
		107	# define Newx(ptr,nitems,type) New (0,ptr,nitems,type)
		108	#endif
106		109
107	/* 5.8.7 */	110	/* 5.8.7 */
108	#ifndef SvRV_set	111	#ifndef SvRV_set
109	# define SvRV_set(s,v) SvRV(s) = (v)	112	# define SvRV_set(s,v) SvRV(s) = (v)
110	#endif	113	#endif
…		…
130	#else	133	#else
131	# define dSTACKLEVEL volatile void *stacklevel	134	# define dSTACKLEVEL volatile void *stacklevel
132	# define STACKLEVEL ((void *)&stacklevel)	135	# define STACKLEVEL ((void *)&stacklevel)
133	#endif	136	#endif
134		137
135	#define IN_DESTRUCT (PL_main_cv == Nullcv)	138	#define IN_DESTRUCT PL_dirty
136		139
137	#if __GNUC__ >= 3	140	#if __GNUC__ >= 3
138	# define attribute(x) __attribute__(x)	141	# define attribute(x) __attribute__(x)
139	# define expect(expr,value) __builtin_expect ((expr),(value))	142	# define expect(expr,value) __builtin_expect ((expr),(value))
140	# define INLINE static inline	143	# define INLINE static inline
…		…
172	static HV coro_state_stash, coro_stash;	175	static HV coro_state_stash, coro_stash;
173	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 */
174		177
175	static AV av_destroy; / destruction queue */	178	static AV av_destroy; / destruction queue */
176	static SV sv_manager; / the manager coro */	179	static SV sv_manager; / the manager coro */
		180	static SV sv_idle; / $Coro::idle */
177		181
178	static GV irsgv; / $/ */	182	static GV irsgv; / $/ */
179	static GV stdoutgv; / STDOUT /	183	static GV stdoutgv; / STDOUT /
180	static SV *rv_diehook;	184	static SV *rv_diehook;
181	static SV *rv_warnhook;	185	static SV *rv_warnhook;
…		…
225	int valgrind_id;	229	int valgrind_id;
226	#endif	230	#endif
227	unsigned char flags;	231	unsigned char flags;
228	} coro_cctx;	232	} coro_cctx;
229		233
		234	coro_cctx cctx_current; / the currently running cctx */
		235
		236	/*****************************************************************************/
		237
230	enum {	238	enum {
231	CF_RUNNING = 0x0001, /* coroutine is running */	239	CF_RUNNING = 0x0001, /* coroutine is running */
232	CF_READY = 0x0002, /* coroutine is ready */	240	CF_READY = 0x0002, /* coroutine is ready */
233	CF_NEW = 0x0004, /* has never been switched to */	241	CF_NEW = 0x0004, /* has never been switched to */
234	CF_DESTROYED = 0x0008, /* coroutine data has been freed */	242	CF_DESTROYED = 0x0008, /* coroutine data has been freed */
…		…
239	{	247	{
240	SV *defsv;	248	SV *defsv;
241	AV *defav;	249	AV *defav;
242	SV *errsv;	250	SV *errsv;
243	SV *irsgv;	251	SV *irsgv;
		252	HV *hinthv;
244	#define VAR(name,type) type name;	253	#define VAR(name,type) type name;
245	# include "state.h"	254	# include "state.h"
246	#undef VAR	255	#undef VAR
247	} perl_slots;	256	} perl_slots;
248		257
…		…
275		284
276	/* async_pool */	285	/* async_pool */
277	SV *saved_deffh;	286	SV *saved_deffh;
278	SV *invoke_cb;	287	SV *invoke_cb;
279	AV *invoke_av;	288	AV *invoke_av;
		289
		290	/* on_enter/on_leave */
		291	AV *on_enter;
		292	AV *on_leave;
280		293
281	/* linked list */	294	/* linked list */
282	struct coro next, prev;	295	struct coro next, prev;
283	};	296	};
284		297
…		…
343	INLINE CV *	356	INLINE CV *
344	coro_sv_2cv (pTHX_ SV *sv)	357	coro_sv_2cv (pTHX_ SV *sv)
345	{	358	{
346	HV *st;	359	HV *st;
347	GV *gvp;	360	GV *gvp;
348	return sv_2cv (sv, &st, &gvp, 0);	361	CV *cv = sv_2cv (sv, &st, &gvp, 0);
		362
		363	if (!cv)
		364	croak ("code reference expected");
		365
		366	return cv;
349	}	367	}
		368
		369	/*****************************************************************************/
		370	/* magic glue */
		371
		372	#define CORO_MAGIC_type_cv 26
		373	#define CORO_MAGIC_type_state PERL_MAGIC_ext
		374
		375	#define CORO_MAGIC_NN(sv, type) \
		376	(expect_true (SvMAGIC (sv)->mg_type == type) \
		377	? SvMAGIC (sv) \
		378	: mg_find (sv, type))
		379
		380	#define CORO_MAGIC(sv, type) \
		381	(expect_true (SvMAGIC (sv)) \
		382	? CORO_MAGIC_NN (sv, type) \
		383	: 0)
		384
		385	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
		386	#define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state)
		387
		388	INLINE struct coro *
		389	SvSTATE_ (pTHX_ SV *coro)
		390	{
		391	HV *stash;
		392	MAGIC *mg;
		393
		394	if (SvROK (coro))
		395	coro = SvRV (coro);
		396
		397	if (expect_false (SvTYPE (coro) != SVt_PVHV))
		398	croak ("Coro::State object required");
		399
		400	stash = SvSTASH (coro);
		401	if (expect_false (stash != coro_stash && stash != coro_state_stash))
		402	{
		403	/* very slow, but rare, check */
		404	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
		405	croak ("Coro::State object required");
		406	}
		407
		408	mg = CORO_MAGIC_state (coro);
		409	return (struct coro *)mg->mg_ptr;
		410	}
		411
		412	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
		413
		414	/* faster than SvSTATE, but expects a coroutine hv */
		415	#define SvSTATE_hv(hv) ((struct coro )CORO_MAGIC_NN ((SV )hv, CORO_MAGIC_type_state)->mg_ptr)
		416	#define SvSTATE_current SvSTATE_hv (SvRV (coro_current))
		417
		418	/*****************************************************************************/
		419	/* padlist management and caching */
350		420
351	static AV *	421	static AV *
352	coro_clone_padlist (pTHX_ CV *cv)	422	coro_derive_padlist (pTHX_ CV *cv)
353	{	423	{
354	AV *padlist = CvPADLIST (cv);	424	AV *padlist = CvPADLIST (cv);
355	AV newpadlist, newpad;	425	AV newpadlist, newpad;
356		426
357	newpadlist = newAV ();	427	newpadlist = newAV ();
…		…
362	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);	432	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
363	#endif	433	#endif
364	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];	434	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
365	--AvFILLp (padlist);	435	--AvFILLp (padlist);
366		436
367	av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE)));	437	av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0]));
368	av_store (newpadlist, 1, (SV *)newpad);	438	av_store (newpadlist, 1, (SV *)newpad);
369		439
370	return newpadlist;	440	return newpadlist;
371	}	441	}
372		442
373	static void	443	static void
374	free_padlist (pTHX_ AV *padlist)	444	free_padlist (pTHX_ AV *padlist)
375	{	445	{
376	/* may be during global destruction */	446	/* may be during global destruction */
377	if (SvREFCNT (padlist))	447	if (!IN_DESTRUCT)
378	{	448	{
379	I32 i = AvFILLp (padlist);	449	I32 i = AvFILLp (padlist);
380	while (i >= 0)	450
		451	while (i > 0) /* special-case index 0 */
381	{	452	{
382	SV **svp = av_fetch (padlist, i--, FALSE);	453	/* we try to be extra-careful here */
383	if (svp)	454	AV av = (AV )AvARRAY (padlist)[i--];
384	{	455	I32 j = AvFILLp (av);
385	SV *sv;	456
386	while (&PL_sv_undef != (sv = av_pop ((AV )svp)))	457	while (j >= 0)
		458	SvREFCNT_dec (AvARRAY (av)[j--]);
		459
		460	AvFILLp (av) = -1;
387	SvREFCNT_dec (sv);	461	SvREFCNT_dec (av);
388
389	SvREFCNT_dec (*svp);
390	}
391	}	462	}
392		463
		464	SvREFCNT_dec (AvARRAY (padlist)[0]);
		465
		466	AvFILLp (padlist) = -1;
393	SvREFCNT_dec ((SV*)padlist);	467	SvREFCNT_dec ((SV*)padlist);
394	}	468	}
395	}	469	}
396		470
397	static int	471	static int
…		…
406		480
407	SvREFCNT_dec (av); /* sv_magicext increased the refcount */	481	SvREFCNT_dec (av); /* sv_magicext increased the refcount */
408		482
409	return 0;	483	return 0;
410	}	484	}
411
412	#define CORO_MAGIC_type_cv 26
413	#define CORO_MAGIC_type_state PERL_MAGIC_ext
414		485
415	static MGVTBL coro_cv_vtbl = {	486	static MGVTBL coro_cv_vtbl = {
416	0, 0, 0, 0,	487	0, 0, 0, 0,
417	coro_cv_free	488	coro_cv_free
418	};	489	};
419
420	#define CORO_MAGIC_NN(sv, type) \
421	(expect_true (SvMAGIC (sv)->mg_type == type) \
422	? SvMAGIC (sv) \
423	: mg_find (sv, type))
424
425	#define CORO_MAGIC(sv, type) \
426	(expect_true (SvMAGIC (sv)) \
427	? CORO_MAGIC_NN (sv, type) \
428	: 0)
429
430	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
431	#define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state)
432
433	INLINE struct coro *
434	SvSTATE_ (pTHX_ SV *coro)
435	{
436	HV *stash;
437	MAGIC *mg;
438
439	if (SvROK (coro))
440	coro = SvRV (coro);
441
442	if (expect_false (SvTYPE (coro) != SVt_PVHV))
443	croak ("Coro::State object required");
444
445	stash = SvSTASH (coro);
446	if (expect_false (stash != coro_stash && stash != coro_state_stash))
447	{
448	/* very slow, but rare, check */
449	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
450	croak ("Coro::State object required");
451	}
452
453	mg = CORO_MAGIC_state (coro);
454	return (struct coro *)mg->mg_ptr;
455	}
456
457	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
458
459	/* faster than SvSTATE, but expects a coroutine hv */
460	#define SvSTATE_hv(hv) ((struct coro )CORO_MAGIC_NN ((SV )hv, CORO_MAGIC_type_state)->mg_ptr)
461	#define SvSTATE_current SvSTATE_hv (SvRV (coro_current))
462		490
463	/* the next two functions merely cache the padlists */	491	/* the next two functions merely cache the padlists */
464	static void	492	static void
465	get_padlist (pTHX_ CV *cv)	493	get_padlist (pTHX_ CV *cv)
466	{	494	{
…		…
477	CV *cp = Perl_cv_clone (aTHX_ cv);	505	CV *cp = Perl_cv_clone (aTHX_ cv);
478	CvPADLIST (cv) = CvPADLIST (cp);	506	CvPADLIST (cv) = CvPADLIST (cp);
479	CvPADLIST (cp) = 0;	507	CvPADLIST (cp) = 0;
480	SvREFCNT_dec (cp);	508	SvREFCNT_dec (cp);
481	#else	509	#else
482	CvPADLIST (cv) = coro_clone_padlist (aTHX_ cv);	510	CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv);
483	#endif	511	#endif
484	}	512	}
485	}	513	}
486		514
487	static void	515	static void
…		…
494	mg = sv_magicext ((SV )cv, (SV )newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);	522	mg = sv_magicext ((SV )cv, (SV )newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);
495		523
496	av = (AV *)mg->mg_obj;	524	av = (AV *)mg->mg_obj;
497		525
498	if (expect_false (AvFILLp (av) >= AvMAX (av)))	526	if (expect_false (AvFILLp (av) >= AvMAX (av)))
499	av_extend (av, AvMAX (av) + 1);	527	av_extend (av, AvFILLp (av) + 1);
500		528
501	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);	529	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
502	}	530	}
503		531
504	/ load & save, init *****************************************************/	532	/ load & save, init *****************************************************/
		533
		534	static void
		535	on_enterleave_call (pTHX_ SV *cb);
505		536
506	static void	537	static void
507	load_perl (pTHX_ Coro__State c)	538	load_perl (pTHX_ Coro__State c)
508	{	539	{
509	perl_slots *slot = c->slot;	540	perl_slots *slot = c->slot;
510	c->slot = 0;	541	c->slot = 0;
511		542
512	PL_mainstack = c->mainstack;	543	PL_mainstack = c->mainstack;
513		544
514	GvSV (PL_defgv) = slot->defsv;	545	GvSV (PL_defgv) = slot->defsv;
515	GvAV (PL_defgv) = slot->defav;	546	GvAV (PL_defgv) = slot->defav;
516	GvSV (PL_errgv) = slot->errsv;	547	GvSV (PL_errgv) = slot->errsv;
517	GvSV (irsgv) = slot->irsgv;	548	GvSV (irsgv) = slot->irsgv;
		549	GvHV (PL_hintgv) = slot->hinthv;
518		550
519	#define VAR(name,type) PL_ ## name = slot->name;	551	#define VAR(name,type) PL_ ## name = slot->name;
520	# include "state.h"	552	# include "state.h"
521	#undef VAR	553	#undef VAR
522		554
…		…
536	PUTBACK;	568	PUTBACK;
537	}	569	}
538		570
539	slf_frame = c->slf_frame;	571	slf_frame = c->slf_frame;
540	CORO_THROW = c->except;	572	CORO_THROW = c->except;
		573
		574	if (expect_false (c->on_enter))
		575	{
		576	int i;
		577
		578	for (i = 0; i <= AvFILLp (c->on_enter); ++i)
		579	on_enterleave_call (AvARRAY (c->on_enter)[i]);
		580	}
541	}	581	}
542		582
543	static void	583	static void
544	save_perl (pTHX_ Coro__State c)	584	save_perl (pTHX_ Coro__State c)
545	{	585	{
		586	if (expect_false (c->on_leave))
		587	{
		588	int i;
		589
		590	for (i = AvFILLp (c->on_leave); i >= 0; --i)
		591	on_enterleave_call (AvARRAY (c->on_leave)[i]);
		592	}
		593
546	c->except = CORO_THROW;	594	c->except = CORO_THROW;
547	c->slf_frame = slf_frame;	595	c->slf_frame = slf_frame;
548		596
549	{	597	{
550	dSP;	598	dSP;
…		…
608	c->mainstack = PL_mainstack;	656	c->mainstack = PL_mainstack;
609		657
610	{	658	{
611	perl_slots slot = c->slot = (perl_slots )(cxstack + cxstack_ix + 1);	659	perl_slots slot = c->slot = (perl_slots )(cxstack + cxstack_ix + 1);
612		660
613	slot->defav = GvAV (PL_defgv);	661	slot->defav = GvAV (PL_defgv);
614	slot->defsv = DEFSV;	662	slot->defsv = DEFSV;
615	slot->errsv = ERRSV;	663	slot->errsv = ERRSV;
616	slot->irsgv = GvSV (irsgv);	664	slot->irsgv = GvSV (irsgv);
		665	slot->hinthv = GvHV (PL_hintgv);
617		666
618	#define VAR(name,type) slot->name = PL_ ## name;	667	#define VAR(name,type) slot->name = PL_ ## name;
619	# include "state.h"	668	# include "state.h"
620	#undef VAR	669	#undef VAR
621	}	670	}
…		…
748	#endif	797	#endif
749		798
750	/*	799	/*
751	* This overrides the default magic get method of %SIG elements.	800	* This overrides the default magic get method of %SIG elements.
752	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook	801	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook
753	* and instead of tryign to save and restore the hash elements, we just provide	802	* and instead of trying to save and restore the hash elements, we just provide
754	* readback here.	803	* readback here.
755	* We only do this when the hook is != 0, as they are often set to 0 temporarily,
756	* not expecting this to actually change the hook. This is a potential problem
757	* when a schedule happens then, but we ignore this.
758	*/	804	*/
759	static int	805	static int
760	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)	806	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)
761	{	807	{
762	const char *s = MgPV_nolen_const (mg);	808	const char *s = MgPV_nolen_const (mg);
…		…
815	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;	861	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
816		862
817	if (svp)	863	if (svp)
818	{	864	{
819	SV old = svp;	865	SV old = svp;
820	*svp = newSVsv (sv);	866	*svp = SvOK (sv) ? newSVsv (sv) : 0;
821	SvREFCNT_dec (old);	867	SvREFCNT_dec (old);
822	return 0;	868	return 0;
823	}	869	}
824	}	870	}
825		871
…		…
857		903
858	PL_runops = RUNOPS_DEFAULT;	904	PL_runops = RUNOPS_DEFAULT;
859	PL_curcop = &PL_compiling;	905	PL_curcop = &PL_compiling;
860	PL_in_eval = EVAL_NULL;	906	PL_in_eval = EVAL_NULL;
861	PL_comppad = 0;	907	PL_comppad = 0;
		908	PL_comppad_name = 0;
		909	PL_comppad_name_fill = 0;
		910	PL_comppad_name_floor = 0;
862	PL_curpm = 0;	911	PL_curpm = 0;
863	PL_curpad = 0;	912	PL_curpad = 0;
864	PL_localizing = 0;	913	PL_localizing = 0;
865	PL_dirty = 0;	914	PL_dirty = 0;
866	PL_restartop = 0;	915	PL_restartop = 0;
867	#if PERL_VERSION_ATLEAST (5,10,0)	916	#if PERL_VERSION_ATLEAST (5,10,0)
868	PL_parser = 0;	917	PL_parser = 0;
869	#endif	918	#endif
		919	PL_hints = 0;
870		920
871	/* recreate the die/warn hooks */	921	/* recreate the die/warn hooks */
872	PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook );	922	PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook );
873	PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook);	923	PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook);
874		924
875	GvSV (PL_defgv) = newSV (0);	925	GvSV (PL_defgv) = newSV (0);
876	GvAV (PL_defgv) = coro->args; coro->args = 0;	926	GvAV (PL_defgv) = coro->args; coro->args = 0;
877	GvSV (PL_errgv) = newSV (0);	927	GvSV (PL_errgv) = newSV (0);
878	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);	928	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
		929	GvHV (PL_hintgv) = 0;
879	PL_rs = newSVsv (GvSV (irsgv));	930	PL_rs = newSVsv (GvSV (irsgv));
880	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);	931	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);
881		932
882	{	933	{
883	dSP;	934	dSP;
…		…
912	/* copy throw, in case it was set before coro_setup */	963	/* copy throw, in case it was set before coro_setup */
913	CORO_THROW = coro->except;	964	CORO_THROW = coro->except;
914	}	965	}
915		966
916	static void	967	static void
917	coro_destruct (pTHX_ struct coro *coro)	968	coro_unwind_stacks (pTHX)
918	{	969	{
919	if (!IN_DESTRUCT)	970	if (!IN_DESTRUCT)
920	{	971	{
921	/* restore all saved variables and stuff */	972	/* restore all saved variables and stuff */
922	LEAVE_SCOPE (0);	973	LEAVE_SCOPE (0);
…		…
930	POPSTACK_TO (PL_mainstack);	981	POPSTACK_TO (PL_mainstack);
931		982
932	/* unwind main stack */	983	/* unwind main stack */
933	dounwind (-1);	984	dounwind (-1);
934	}	985	}
		986	}
		987
		988	static void
		989	coro_destruct_perl (pTHX_ struct coro *coro)
		990	{
		991	coro_unwind_stacks (aTHX);
935		992
936	SvREFCNT_dec (GvSV (PL_defgv));	993	SvREFCNT_dec (GvSV (PL_defgv));
937	SvREFCNT_dec (GvAV (PL_defgv));	994	SvREFCNT_dec (GvAV (PL_defgv));
938	SvREFCNT_dec (GvSV (PL_errgv));	995	SvREFCNT_dec (GvSV (PL_errgv));
939	SvREFCNT_dec (PL_defoutgv);	996	SvREFCNT_dec (PL_defoutgv);
940	SvREFCNT_dec (PL_rs);	997	SvREFCNT_dec (PL_rs);
941	SvREFCNT_dec (GvSV (irsgv));	998	SvREFCNT_dec (GvSV (irsgv));
		999	SvREFCNT_dec (GvHV (PL_hintgv));
942		1000
943	SvREFCNT_dec (PL_diehook);	1001	SvREFCNT_dec (PL_diehook);
944	SvREFCNT_dec (PL_warnhook);	1002	SvREFCNT_dec (PL_warnhook);
945		1003
946	SvREFCNT_dec (coro->saved_deffh);	1004	SvREFCNT_dec (coro->saved_deffh);
…		…
964	static int	1022	static int
965	runops_trace (pTHX)	1023	runops_trace (pTHX)
966	{	1024	{
967	COP *oldcop = 0;	1025	COP *oldcop = 0;
968	int oldcxix = -2;	1026	int oldcxix = -2;
969	struct coro coro = SvSTATE_current; / trace cctx is tied to specific coro */
970	coro_cctx *cctx = coro->cctx;
971		1027
972	while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))	1028	while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))
973	{	1029	{
974	PERL_ASYNC_CHECK ();	1030	PERL_ASYNC_CHECK ();
975		1031
976	if (cctx->flags & CC_TRACE_ALL)	1032	if (cctx_current->flags & CC_TRACE_ALL)
977	{	1033	{
978	if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB)	1034	if (PL_op->op_type == OP_LEAVESUB && cctx_current->flags & CC_TRACE_SUB)
979	{	1035	{
980	PERL_CONTEXT *cx = &cxstack[cxstack_ix];	1036	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
981	SV bot, top;	1037	SV bot, top;
982	AV av = newAV (); / return values */	1038	AV av = newAV (); / return values */
983	SV **cb;	1039	SV **cb;
…		…
1020		1076
1021	if (PL_curcop != &PL_compiling)	1077	if (PL_curcop != &PL_compiling)
1022	{	1078	{
1023	SV **cb;	1079	SV **cb;
1024		1080
1025	if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB)	1081	if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB)
1026	{	1082	{
1027	PERL_CONTEXT *cx = &cxstack[cxstack_ix];	1083	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
1028		1084
1029	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)	1085	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)
1030	{	1086	{
…		…
1053	}	1109	}
1054		1110
1055	oldcxix = cxstack_ix;	1111	oldcxix = cxstack_ix;
1056	}	1112	}
1057		1113
1058	if (cctx->flags & CC_TRACE_LINE)	1114	if (cctx_current->flags & CC_TRACE_LINE)
1059	{	1115	{
1060	dSP;	1116	dSP;
1061		1117
1062	PL_runops = RUNOPS_DEFAULT;	1118	PL_runops = RUNOPS_DEFAULT;
1063	ENTER;	1119	ENTER;
…		…
1082		1138
1083	TAINT_NOT;	1139	TAINT_NOT;
1084	return 0;	1140	return 0;
1085	}	1141	}
1086		1142
1087	static struct coro_cctx *cctx_ssl_cctx;
1088	static struct CoroSLF cctx_ssl_frame;	1143	static struct CoroSLF cctx_ssl_frame;
1089		1144
1090	static void	1145	static void
1091	slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta)	1146	slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta)
1092	{	1147	{
1093	ta->prev = (struct coro *)cctx_ssl_cctx;
1094	ta->next = 0;	1148	ta->prev = 0;
1095	}	1149	}
1096		1150
1097	static int	1151	static int
1098	slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame)	1152	slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame)
1099	{	1153	{
…		…
1102	return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */	1156	return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */
1103	}	1157	}
1104		1158
1105	/* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */	1159	/* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */
1106	static void NOINLINE	1160	static void NOINLINE
1107	cctx_prepare (pTHX_ coro_cctx *cctx)	1161	cctx_prepare (pTHX)
1108	{	1162	{
1109	PL_top_env = &PL_start_env;	1163	PL_top_env = &PL_start_env;
1110		1164
1111	if (cctx->flags & CC_TRACE)	1165	if (cctx_current->flags & CC_TRACE)
1112	PL_runops = runops_trace;	1166	PL_runops = runops_trace;
1113		1167
1114	/* we already must be executing an SLF op, there is no other valid way	1168	/* we already must be executing an SLF op, there is no other valid way
1115	* that can lead to creation of a new cctx */	1169	* that can lead to creation of a new cctx */
1116	assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)",	1170	assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)",
1117	slf_frame.prepare && PL_op->op_ppaddr == pp_slf));	1171	slf_frame.prepare && PL_op->op_ppaddr == pp_slf));
1118		1172
1119	/* we must emulate leaving pp_slf, which is done inside slf_check_set_stacklevel */	1173	/* we must emulate leaving pp_slf, which is done inside slf_check_set_stacklevel */
1120	cctx_ssl_cctx = cctx;
1121	cctx_ssl_frame = slf_frame;	1174	cctx_ssl_frame = slf_frame;
1122		1175
1123	slf_frame.prepare = slf_prepare_set_stacklevel;	1176	slf_frame.prepare = slf_prepare_set_stacklevel;
1124	slf_frame.check = slf_check_set_stacklevel;	1177	slf_frame.check = slf_check_set_stacklevel;
1125	}	1178	}
…		…
1148	/* normally we would need to skip the entersub here */	1201	/* normally we would need to skip the entersub here */
1149	/* not doing so will re-execute it, which is exactly what we want */	1202	/* not doing so will re-execute it, which is exactly what we want */
1150	/* PL_nop = PL_nop->op_next */	1203	/* PL_nop = PL_nop->op_next */
1151		1204
1152	/* inject a fake subroutine call to cctx_init */	1205	/* inject a fake subroutine call to cctx_init */
1153	cctx_prepare (aTHX_ (coro_cctx *)arg);	1206	cctx_prepare (aTHX);
1154		1207
1155	/* cctx_run is the alternative tail of transfer() */	1208	/* cctx_run is the alternative tail of transfer() */
1156	transfer_tail (aTHX);	1209	transfer_tail (aTHX);
1157		1210
1158	/* somebody or something will hit me for both perl_run and PL_restartop */	1211	/* somebody or something will hit me for both perl_run and PL_restartop */
…		…
1166	/*	1219	/*
1167	* If perl-run returns we assume exit() was being called or the coro	1220	* If perl-run returns we assume exit() was being called or the coro
1168	* fell off the end, which seems to be the only valid (non-bug)	1221	* fell off the end, which seems to be the only valid (non-bug)
1169	* reason for perl_run to return. We try to exit by jumping to the	1222	* reason for perl_run to return. We try to exit by jumping to the
1170	* bootstrap-time "top" top_env, as we cannot restore the "main"	1223	* bootstrap-time "top" top_env, as we cannot restore the "main"
1171	* coroutine as Coro has no such concept	1224	* coroutine as Coro has no such concept.
		1225	* This actually isn't valid with the pthread backend, but OSes requiring
		1226	* that backend are too broken to do it in a standards-compliant way.
1172	*/	1227	*/
1173	PL_top_env = main_top_env;	1228	PL_top_env = main_top_env;
1174	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */	1229	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */
1175	}	1230	}
1176	}	1231	}
…		…
1253	cctx_destroy (coro_cctx *cctx)	1308	cctx_destroy (coro_cctx *cctx)
1254	{	1309	{
1255	if (!cctx)	1310	if (!cctx)
1256	return;	1311	return;
1257		1312
		1313	assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));//D temporary?
		1314
1258	--cctx_count;	1315	--cctx_count;
1259	coro_destroy (&cctx->cctx);	1316	coro_destroy (&cctx->cctx);
1260		1317
1261	/* coro_transfer creates new, empty cctx's */	1318	/* coro_transfer creates new, empty cctx's */
1262	if (cctx->sptr)	1319	if (cctx->sptr)
…		…
1325	/* TODO: throwing up here is considered harmful */	1382	/* TODO: throwing up here is considered harmful */
1326		1383
1327	if (expect_true (prev != next))	1384	if (expect_true (prev != next))
1328	{	1385	{
1329	if (expect_false (!(prev->flags & (CF_RUNNING \| CF_NEW))))	1386	if (expect_false (!(prev->flags & (CF_RUNNING \| CF_NEW))))
1330	croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states,");	1387	croak ("Coro::State::transfer called with a suspended prev Coro::State, but can only transfer from running or new states,");
1331		1388
1332	if (expect_false (next->flags & CF_RUNNING))	1389	if (expect_false (next->flags & CF_RUNNING))
1333	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states,");	1390	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states,");
1334		1391
1335	if (expect_false (next->flags & CF_DESTROYED))	1392	if (expect_false (next->flags & CF_DESTROYED))
…		…
1347	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)	1404	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)
1348	{	1405	{
1349	dSTACKLEVEL;	1406	dSTACKLEVEL;
1350		1407
1351	/* sometimes transfer is only called to set idle_sp */	1408	/* sometimes transfer is only called to set idle_sp */
1352	if (expect_false (!next))	1409	if (expect_false (!prev))
1353	{	1410	{
1354	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1411	cctx_current->idle_sp = STACKLEVEL;
1355	assert (((coro_cctx )prev)->idle_te = PL_top_env); / just for the side-effect when asserts are enabled */	1412	assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */
1356	}	1413	}
1357	else if (expect_true (prev != next))	1414	else if (expect_true (prev != next))
1358	{	1415	{
1359	coro_cctx *prev__cctx;	1416	coro_cctx *cctx_prev;
1360		1417
1361	if (expect_false (prev->flags & CF_NEW))	1418	if (expect_false (prev->flags & CF_NEW))
1362	{	1419	{
1363	/* create a new empty/source context */	1420	/* create a new empty/source context */
1364	prev->cctx = cctx_new_empty ();
1365	prev->flags &= ~CF_NEW;	1421	prev->flags &= ~CF_NEW;
1366	prev->flags \|= CF_RUNNING;	1422	prev->flags \|= CF_RUNNING;
1367	}	1423	}
1368		1424
1369	prev->flags &= ~CF_RUNNING;	1425	prev->flags &= ~CF_RUNNING;
…		…
1380	coro_setup (aTHX_ next);	1436	coro_setup (aTHX_ next);
1381	}	1437	}
1382	else	1438	else
1383	load_perl (aTHX_ next);	1439	load_perl (aTHX_ next);
1384		1440
1385	prev__cctx = prev->cctx;
1386
1387	/* possibly untie and reuse the cctx */	1441	/* possibly untie and reuse the cctx */
1388	if (expect_true (	1442	if (expect_true (
1389	prev__cctx->idle_sp == STACKLEVEL	1443	cctx_current->idle_sp == STACKLEVEL
1390	&& !(prev__cctx->flags & CC_TRACE)	1444	&& !(cctx_current->flags & CC_TRACE)
1391	&& !force_cctx	1445	&& !force_cctx
1392	))	1446	))
1393	{	1447	{
1394	/* I assume that stacklevel is a stronger indicator than PL_top_env changes */	1448	/* I assume that stacklevel is a stronger indicator than PL_top_env changes */
1395	assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == prev__cctx->idle_te));	1449	assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te));
1396		1450
1397	prev->cctx = 0;
1398
1399	/* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */	1451	/* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */
1400	/* without this the next cctx_get might destroy the prev__cctx while still in use */	1452	/* without this the next cctx_get might destroy the running cctx while still in use */
1401	if (expect_false (CCTX_EXPIRED (prev__cctx)))	1453	if (expect_false (CCTX_EXPIRED (cctx_current)))
1402	if (!next->cctx)	1454	if (expect_true (!next->cctx))
1403	next->cctx = cctx_get (aTHX);	1455	next->cctx = cctx_get (aTHX);
1404		1456
1405	cctx_put (prev__cctx);	1457	cctx_put (cctx_current);
1406	}	1458	}
		1459	else
		1460	prev->cctx = cctx_current;
1407		1461
1408	++next->usecount;	1462	++next->usecount;
1409		1463
1410	if (expect_true (!next->cctx))	1464	cctx_prev = cctx_current;
1411	next->cctx = cctx_get (aTHX);	1465	cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX);
1412		1466
1413	if (expect_false (prev__cctx != next->cctx))	1467	next->cctx = 0;
		1468
		1469	if (expect_false (cctx_prev != cctx_current))
1414	{	1470	{
1415	prev__cctx->top_env = PL_top_env;	1471	cctx_prev->top_env = PL_top_env;
1416	PL_top_env = next->cctx->top_env;	1472	PL_top_env = cctx_current->top_env;
1417	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);	1473	coro_transfer (&cctx_prev->cctx, &cctx_current->cctx);
1418	}	1474	}
1419		1475
1420	transfer_tail (aTHX);	1476	transfer_tail (aTHX);
1421	}	1477	}
1422	}	1478	}
…		…
1444	--coro_nready;	1500	--coro_nready;
1445	}	1501	}
1446	else	1502	else
1447	coro->flags \|= CF_READY; /* make sure it is NOT put into the readyqueue */	1503	coro->flags \|= CF_READY; /* make sure it is NOT put into the readyqueue */
1448		1504
1449	if (coro->mainstack && coro->mainstack != main_mainstack)	1505	if (coro->mainstack
		1506	&& coro->mainstack != main_mainstack
		1507	&& coro->slot
		1508	&& !PL_dirty)
1450	{	1509	{
1451	struct coro temp;	1510	struct coro *current = SvSTATE_current;
1452		1511
1453	assert (("FATAL: tried to destroy currently running coroutine (please report)", !(coro->flags & CF_RUNNING)));	1512	assert (("FATAL: tried to destroy currently running coroutine", coro->mainstack != PL_mainstack));
1454		1513
1455	save_perl (aTHX_ &temp);	1514	save_perl (aTHX_ current);
1456	load_perl (aTHX_ coro);	1515	load_perl (aTHX_ coro);
1457		1516
1458	coro_destruct (aTHX_ coro);	1517	coro_destruct_perl (aTHX_ coro);
1459		1518
1460	load_perl (aTHX_ &temp);	1519	load_perl (aTHX_ current);
1461		1520
1462	coro->slot = 0;	1521	coro->slot = 0;
1463	}	1522	}
1464		1523
1465	cctx_destroy (coro->cctx);	1524	cctx_destroy (coro->cctx);
…		…
1577	{	1636	{
1578	struct coro *coro;	1637	struct coro *coro;
1579	SV *sv_hook;	1638	SV *sv_hook;
1580	void (*xs_hook)(void);	1639	void (*xs_hook)(void);
1581		1640
1582	if (SvROK (coro_sv))
1583	coro_sv = SvRV (coro_sv);
1584
1585	coro = SvSTATE (coro_sv);	1641	coro = SvSTATE (coro_sv);
1586		1642
1587	if (coro->flags & CF_READY)	1643	if (coro->flags & CF_READY)
1588	return 0;	1644	return 0;
1589		1645
…		…
1663	}	1719	}
1664	}	1720	}
1665	else	1721	else
1666	{	1722	{
1667	/* nothing to schedule: call the idle handler */	1723	/* nothing to schedule: call the idle handler */
		1724	if (SvROK (sv_idle)
		1725	&& SvOBJECT (SvRV (sv_idle)))
		1726	{
		1727	++coro_nready; /* hack so that api_ready doesn't invoke ready hook */
		1728	api_ready (aTHX_ SvRV (sv_idle));
		1729	--coro_nready;
		1730	}
		1731	else
		1732	{
1668	dSP;	1733	dSP;
1669		1734
1670	ENTER;	1735	ENTER;
1671	SAVETMPS;	1736	SAVETMPS;
1672		1737
1673	PUSHMARK (SP);	1738	PUSHMARK (SP);
1674	PUTBACK;	1739	PUTBACK;
1675	call_sv (get_sv ("Coro::idle", FALSE), G_VOID \| G_DISCARD);	1740	call_sv (sv_idle, G_VOID \| G_DISCARD);
1676		1741
1677	FREETMPS;	1742	FREETMPS;
1678	LEAVE;	1743	LEAVE;
		1744	}
1679	}	1745	}
1680	}	1746	}
1681	}	1747	}
1682		1748
1683	INLINE void	1749	INLINE void
…		…
1754	static void	1820	static void
1755	api_trace (pTHX_ SV *coro_sv, int flags)	1821	api_trace (pTHX_ SV *coro_sv, int flags)
1756	{	1822	{
1757	struct coro *coro = SvSTATE (coro_sv);	1823	struct coro *coro = SvSTATE (coro_sv);
1758		1824
		1825	if (coro->flags & CF_RUNNING)
		1826	croak ("cannot enable tracing on a running coroutine, caught");
		1827
1759	if (flags & CC_TRACE)	1828	if (flags & CC_TRACE)
1760	{	1829	{
1761	if (!coro->cctx)	1830	if (!coro->cctx)
1762	coro->cctx = cctx_new_run ();	1831	coro->cctx = cctx_new_run ();
1763	else if (!(coro->cctx->flags & CC_TRACE))	1832	else if (!(coro->cctx->flags & CC_TRACE))
1764	croak ("cannot enable tracing on coroutine with custom stack,");	1833	croak ("cannot enable tracing on coroutine with custom stack, caught");
1765		1834
1766	coro->cctx->flags \|= CC_NOREUSE \| (flags & (CC_TRACE \| CC_TRACE_ALL));	1835	coro->cctx->flags \|= CC_NOREUSE \| (flags & (CC_TRACE \| CC_TRACE_ALL));
1767	}	1836	}
1768	else if (coro->cctx && coro->cctx->flags & CC_TRACE)	1837	else if (coro->cctx && coro->cctx->flags & CC_TRACE)
1769	{	1838	{
…		…
1825	av_push (av_destroy, (SV )newRV_inc ((SV )hv)); /* RVinc for perl */	1894	av_push (av_destroy, (SV )newRV_inc ((SV )hv)); /* RVinc for perl */
1826	api_ready (aTHX_ sv_manager);	1895	api_ready (aTHX_ sv_manager);
1827		1896
1828	frame->prepare = prepare_schedule;	1897	frame->prepare = prepare_schedule;
1829	frame->check = slf_check_repeat;	1898	frame->check = slf_check_repeat;
		1899
		1900	/* as a minor optimisation, we could unwind all stacks here */
		1901	/* but that puts extra pressure on pp_slf, and is not worth much */
		1902	/coro_unwind_stacks (aTHX);/
1830	}	1903	}
1831		1904
1832	/*****************************************************************************/	1905	/*****************************************************************************/
1833	/* async pool handler */	1906	/* async pool handler */
1834		1907
…		…
2253		2326
2254	PL_op->op_ppaddr = pp_slf;	2327	PL_op->op_ppaddr = pp_slf;
2255	/PL_op->op_type = OP_CUSTOM; / we do behave like entersub still */	2328	/PL_op->op_type = OP_CUSTOM; / we do behave like entersub still */
2256		2329
2257	PL_op = (OP *)&slf_restore;	2330	PL_op = (OP *)&slf_restore;
		2331	}
		2332
		2333	/*****************************************************************************/
		2334	/* dynamic wind */
		2335
		2336	static void
		2337	on_enterleave_call (pTHX_ SV *cb)
		2338	{
		2339	dSP;
		2340
		2341	PUSHSTACK;
		2342
		2343	PUSHMARK (SP);
		2344	PUTBACK;
		2345	call_sv (cb, G_VOID \| G_DISCARD);
		2346	SPAGAIN;
		2347
		2348	POPSTACK;
		2349	}
		2350
		2351	static SV *
		2352	coro_avp_pop_and_free (AV **avp)
		2353	{
		2354	AV av = avp;
		2355	SV *res = av_pop (av);
		2356
		2357	if (AvFILLp (av) < 0)
		2358	{
		2359	*avp = 0;
		2360	SvREFCNT_dec (av);
		2361	}
		2362
		2363	return res;
		2364	}
		2365
		2366	static void
		2367	coro_pop_on_enter (pTHX_ void *coro)
		2368	{
		2369	SV cb = coro_avp_pop_and_free (&((struct coro )coro)->on_enter);
		2370	SvREFCNT_dec (cb);
		2371	}
		2372
		2373	static void
		2374	coro_pop_on_leave (pTHX_ void *coro)
		2375	{
		2376	SV cb = coro_avp_pop_and_free (&((struct coro )coro)->on_leave);
		2377	on_enterleave_call (sv_2mortal (cb));
2258	}	2378	}
2259		2379
2260	/*****************************************************************************/	2380	/*****************************************************************************/
2261	/* PerlIO::cede */	2381	/* PerlIO::cede */
2262		2382
…		…
2343	SV **ary;	2463	SV **ary;
2344		2464
2345	/* unfortunately, building manually saves memory */	2465	/* unfortunately, building manually saves memory */
2346	Newx (ary, 2, SV *);	2466	Newx (ary, 2, SV *);
2347	AvALLOC (av) = ary;	2467	AvALLOC (av) = ary;
		2468	#if PERL_VERSION_ATLEAST (5,10,0)
2348	/AvARRAY (av) = ary;/	2469	AvARRAY (av) = ary;
		2470	#else
2349	SvPVX ((SV )av) = (char )ary; /* 5.8.8 needs this syntax instead of AvARRAY = ary */	2471	/* 5.8.8 needs this syntax instead of AvARRAY = ary, yet */
		2472	/* -DDEBUGGING flags this as a bug, despite it perfectly working */
		2473	SvPVX ((SV )av) = (char )ary;
		2474	#endif
2350	AvMAX (av) = 1;	2475	AvMAX (av) = 1;
2351	AvFILLp (av) = 0;	2476	AvFILLp (av) = 0;
2352	ary [0] = newSViv (count);	2477	ary [0] = newSViv (count);
2353		2478
2354	return newRV_noinc ((SV *)av);	2479	return newRV_noinc ((SV *)av);
…		…
2724	XSRETURN_EMPTY;	2849	XSRETURN_EMPTY;
2725	}	2850	}
2726		2851
2727	/*****************************************************************************/	2852	/*****************************************************************************/
2728		2853
		2854	#if CORO_CLONE
		2855	# include "clone.c"
		2856	#endif
		2857
2729	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	2858	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
2730		2859
2731	PROTOTYPES: DISABLE	2860	PROTOTYPES: DISABLE
2732		2861
2733	BOOT:	2862	BOOT:
…		…
2736	# if CORO_PTHREAD	2865	# if CORO_PTHREAD
2737	coro_thx = PERL_GET_CONTEXT;	2866	coro_thx = PERL_GET_CONTEXT;
2738	# endif	2867	# endif
2739	#endif	2868	#endif
2740	BOOT_PAGESIZE;	2869	BOOT_PAGESIZE;
		2870
		2871	cctx_current = cctx_new_empty ();
2741		2872
2742	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);	2873	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
2743	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);	2874	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
2744		2875
2745	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;	2876	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;
…		…
2871	void	3002	void
2872	_exit (int code)	3003	_exit (int code)
2873	PROTOTYPE: $	3004	PROTOTYPE: $
2874	CODE:	3005	CODE:
2875	_exit (code);	3006	_exit (code);
		3007
		3008	SV *
		3009	clone (Coro::State coro)
		3010	CODE:
		3011	{
		3012	#if CORO_CLONE
		3013	struct coro *ncoro = coro_clone (aTHX_ coro);
		3014	MAGIC *mg;
		3015	/* TODO: too much duplication */
		3016	ncoro->hv = newHV ();
		3017	mg = sv_magicext ((SV )ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char )ncoro, 0);
		3018	mg->mg_flags \|= MGf_DUP;
		3019	RETVAL = sv_bless (newRV_noinc ((SV *)ncoro->hv), SvSTASH (coro->hv));
		3020	#else
		3021	croak ("Coro::State->clone has not been configured into this installation of Coro, realised");
		3022	#endif
		3023	}
		3024	OUTPUT:
		3025	RETVAL
2876		3026
2877	int	3027	int
2878	cctx_stacksize (int new_stacksize = 0)	3028	cctx_stacksize (int new_stacksize = 0)
2879	PROTOTYPE: ;$	3029	PROTOTYPE: ;$
2880	CODE:	3030	CODE:
…		…
2930	eval = 1	3080	eval = 1
2931	CODE:	3081	CODE:
2932	{	3082	{
2933	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))	3083	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))
2934	{	3084	{
2935	struct coro temp;	3085	struct coro *current = SvSTATE_current;
2936		3086
2937	if (!(coro->flags & CF_RUNNING))	3087	if (current != coro)
2938	{	3088	{
2939	PUTBACK;	3089	PUTBACK;
2940	save_perl (aTHX_ &temp);	3090	save_perl (aTHX_ current);
2941	load_perl (aTHX_ coro);	3091	load_perl (aTHX_ coro);
		3092	SPAGAIN;
2942	}	3093	}
2943		3094
2944	{
2945	dSP;
2946	ENTER;
2947	SAVETMPS;
2948	PUTBACK;
2949	PUSHSTACK;	3095	PUSHSTACK;
		3096
2950	PUSHMARK (SP);	3097	PUSHMARK (SP);
		3098	PUTBACK;
2951		3099
2952	if (ix)	3100	if (ix)
2953	eval_sv (coderef, 0);	3101	eval_sv (coderef, 0);
2954	else	3102	else
2955	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	3103	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
2956		3104
		3105	SPAGAIN;
2957	POPSTACK;	3106	POPSTACK;
2958	SPAGAIN;
2959	FREETMPS;
2960	LEAVE;
2961	PUTBACK;
2962	}
2963		3107
2964	if (!(coro->flags & CF_RUNNING))	3108	if (current != coro)
2965	{	3109	{
		3110	PUTBACK;
2966	save_perl (aTHX_ coro);	3111	save_perl (aTHX_ coro);
2967	load_perl (aTHX_ &temp);	3112	load_perl (aTHX_ current);
2968	SPAGAIN;	3113	SPAGAIN;
2969	}	3114	}
2970	}	3115	}
2971	}	3116	}
2972		3117
…		…
3001		3146
3002	SV *	3147	SV *
3003	has_cctx (Coro::State coro)	3148	has_cctx (Coro::State coro)
3004	PROTOTYPE: $	3149	PROTOTYPE: $
3005	CODE:	3150	CODE:
3006	RETVAL = boolSV (!!coro->cctx);	3151	/* maybe manage the running flag differently */
		3152	RETVAL = boolSV (!!coro->cctx \|\| (coro->flags & CF_RUNNING));
3007	OUTPUT:	3153	OUTPUT:
3008	RETVAL	3154	RETVAL
3009		3155
3010	int	3156	int
3011	is_traced (Coro::State coro)	3157	is_traced (Coro::State coro)
…		…
3031		3177
3032	void	3178	void
3033	force_cctx ()	3179	force_cctx ()
3034	PROTOTYPE:	3180	PROTOTYPE:
3035	CODE:	3181	CODE:
3036	SvSTATE_current->cctx->idle_sp = 0;	3182	cctx_current->idle_sp = 0;
3037		3183
3038	void	3184	void
3039	swap_defsv (Coro::State self)	3185	swap_defsv (Coro::State self)
3040	PROTOTYPE: $	3186	PROTOTYPE: $
3041	ALIAS:	3187	ALIAS:
…		…
3058	{	3204	{
3059	int i;	3205	int i;
3060		3206
3061	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);	3207	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
3062	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);	3208	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
3063	cv_coro_run = get_cv ( "Coro::_terminate", GV_ADD);	3209	cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD);
3064	cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD);	3210	cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD);
3065	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);	3211	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);
3066	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);	3212	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
3067	av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE);	3213	av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE);
3068	sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE);	3214	sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE);
		3215	sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE);
3069		3216
3070	sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle);	3217	sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle);
3071	sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro);	3218	sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro);
3072	cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler);	3219	cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler);
3073	cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new);	3220	cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new);
…		…
3252	rouse_wait (...)	3399	rouse_wait (...)
3253	PROTOTYPE: ;$	3400	PROTOTYPE: ;$
3254	PPCODE:	3401	PPCODE:
3255	CORO_EXECUTE_SLF_XS (slf_init_rouse_wait);	3402	CORO_EXECUTE_SLF_XS (slf_init_rouse_wait);
3256		3403
		3404	void
		3405	on_enter (SV *block)
		3406	ALIAS:
		3407	on_leave = 1
		3408	PROTOTYPE: &
		3409	CODE:
		3410	{
		3411	struct coro *coro = SvSTATE_current;
		3412	AV **avp = ix ? &coro->on_leave : &coro->on_enter;
		3413
		3414	block = (SV *)coro_sv_2cv (block);
		3415
		3416	if (!*avp)
		3417	*avp = newAV ();
		3418
		3419	av_push (*avp, SvREFCNT_inc (block));
		3420
		3421	if (!ix)
		3422	on_enterleave_call (aTHX_ block);
		3423
		3424	LEAVE; /* pp_entersub unfortunately forces an ENTER/LEAVE around xs calls */
		3425	SAVEDESTRUCTOR_X (ix ? coro_pop_on_leave : coro_pop_on_enter, (void *)coro);
		3426	ENTER; /* pp_entersub unfortunately forces an ENTER/LEAVE around xs calls */
		3427	}
		3428
3257		3429
3258	MODULE = Coro::State PACKAGE = PerlIO::cede	3430	MODULE = Coro::State PACKAGE = PerlIO::cede
3259		3431
3260	BOOT:	3432	BOOT:
3261	PerlIO_define_layer (aTHX_ &PerlIO_cede);	3433	PerlIO_define_layer (aTHX_ &PerlIO_cede);

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+Removed lines
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Comparing Coro/Coro/State.xs (file contents): Revision 1.320 by root, Fri Nov 21 07:29:04 2008 UTC vs. Revision 1.339 by root, Mon Dec 15 00:28:30 2008 UTC

Diff Legend

Comparing Coro/Coro/State.xs (file contents):
Revision 1.320 by root, Fri Nov 21 07:29:04 2008 UTC vs.
Revision 1.339 by root, Mon Dec 15 00:28:30 2008 UTC