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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.324 by root, Sat Nov 22 07:02:28 2008 UTC vs.
Revision 1.340 by root, Mon Dec 15 00:30:40 2008 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
…		…
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;
…		…
246	{	247	{
247	SV *defsv;	248	SV *defsv;
248	AV *defav;	249	AV *defav;
249	SV *errsv;	250	SV *errsv;
250	SV *irsgv;	251	SV *irsgv;
		252	HV *hinthv;
251	#define VAR(name,type) type name;	253	#define VAR(name,type) type name;
252	# include "state.h"	254	# include "state.h"
253	#undef VAR	255	#undef VAR
254	} perl_slots;	256	} perl_slots;
255		257
…		…
282		284
283	/* async_pool */	285	/* async_pool */
284	SV *saved_deffh;	286	SV *saved_deffh;
285	SV *invoke_cb;	287	SV *invoke_cb;
286	AV *invoke_av;	288	AV *invoke_av;
		289
		290	/* on_enter/on_leave */
		291	AV *on_enter;
		292	AV *on_leave;
287		293
288	/* linked list */	294	/* linked list */
289	struct coro next, prev;	295	struct coro next, prev;
290	};	296	};
291		297
…		…
350	INLINE CV *	356	INLINE CV *
351	coro_sv_2cv (pTHX_ SV *sv)	357	coro_sv_2cv (pTHX_ SV *sv)
352	{	358	{
353	HV *st;	359	HV *st;
354	GV *gvp;	360	GV *gvp;
355	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;
356	}	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 */
357		420
358	static AV *	421	static AV *
359	coro_derive_padlist (pTHX_ CV *cv)	422	coro_derive_padlist (pTHX_ CV *cv)
360	{	423	{
361	AV *padlist = CvPADLIST (cv);	424	AV *padlist = CvPADLIST (cv);
…		…
369	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);	432	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
370	#endif	433	#endif
371	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];	434	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
372	--AvFILLp (padlist);	435	--AvFILLp (padlist);
373		436
374	av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE)));	437	av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0]));
375	av_store (newpadlist, 1, (SV *)newpad);	438	av_store (newpadlist, 1, (SV *)newpad);
376		439
377	return newpadlist;	440	return newpadlist;
378	}	441	}
379		442
380	static void	443	static void
381	free_padlist (pTHX_ AV *padlist)	444	free_padlist (pTHX_ AV *padlist)
382	{	445	{
383	/* may be during global destruction */	446	/* may be during global destruction */
384	if (SvREFCNT (padlist))	447	if (!IN_DESTRUCT)
385	{	448	{
386	I32 i = AvFILLp (padlist);	449	I32 i = AvFILLp (padlist);
387	while (i >= 0)	450
		451	while (i > 0) /* special-case index 0 */
388	{	452	{
389	SV **svp = av_fetch (padlist, i--, FALSE);	453	/* we try to be extra-careful here */
390	if (svp)	454	AV av = (AV )AvARRAY (padlist)[i--];
391	{	455	I32 j = AvFILLp (av);
392	SV *sv;	456
393	while (&PL_sv_undef != (sv = av_pop ((AV )svp)))	457	while (j >= 0)
		458	SvREFCNT_dec (AvARRAY (av)[j--]);
		459
		460	AvFILLp (av) = -1;
394	SvREFCNT_dec (sv);	461	SvREFCNT_dec (av);
395
396	SvREFCNT_dec (*svp);
397	}
398	}	462	}
399		463
		464	SvREFCNT_dec (AvARRAY (padlist)[0]);
		465
		466	AvFILLp (padlist) = -1;
400	SvREFCNT_dec ((SV*)padlist);	467	SvREFCNT_dec ((SV*)padlist);
401	}	468	}
402	}	469	}
403		470
404	static int	471	static int
…		…
413		480
414	SvREFCNT_dec (av); /* sv_magicext increased the refcount */	481	SvREFCNT_dec (av); /* sv_magicext increased the refcount */
415		482
416	return 0;	483	return 0;
417	}	484	}
418
419	#define CORO_MAGIC_type_cv 26
420	#define CORO_MAGIC_type_state PERL_MAGIC_ext
421		485
422	static MGVTBL coro_cv_vtbl = {	486	static MGVTBL coro_cv_vtbl = {
423	0, 0, 0, 0,	487	0, 0, 0, 0,
424	coro_cv_free	488	coro_cv_free
425	};	489	};
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		490
470	/* the next two functions merely cache the padlists */	491	/* the next two functions merely cache the padlists */
471	static void	492	static void
472	get_padlist (pTHX_ CV *cv)	493	get_padlist (pTHX_ CV *cv)
473	{	494	{
…		…
501	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);
502		523
503	av = (AV *)mg->mg_obj;	524	av = (AV *)mg->mg_obj;
504		525
505	if (expect_false (AvFILLp (av) >= AvMAX (av)))	526	if (expect_false (AvFILLp (av) >= AvMAX (av)))
506	av_extend (av, AvMAX (av) + 1);	527	av_extend (av, AvFILLp (av) + 1);
507		528
508	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);	529	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
509	}	530	}
510		531
511	/ load & save, init *****************************************************/	532	/ load & save, init *****************************************************/
		533
		534	static void
		535	on_enterleave_call (pTHX_ SV *cb);
512		536
513	static void	537	static void
514	load_perl (pTHX_ Coro__State c)	538	load_perl (pTHX_ Coro__State c)
515	{	539	{
516	perl_slots *slot = c->slot;	540	perl_slots *slot = c->slot;
517	c->slot = 0;	541	c->slot = 0;
518		542
519	PL_mainstack = c->mainstack;	543	PL_mainstack = c->mainstack;
520		544
521	GvSV (PL_defgv) = slot->defsv;	545	GvSV (PL_defgv) = slot->defsv;
522	GvAV (PL_defgv) = slot->defav;	546	GvAV (PL_defgv) = slot->defav;
523	GvSV (PL_errgv) = slot->errsv;	547	GvSV (PL_errgv) = slot->errsv;
524	GvSV (irsgv) = slot->irsgv;	548	GvSV (irsgv) = slot->irsgv;
		549	GvHV (PL_hintgv) = slot->hinthv;
525		550
526	#define VAR(name,type) PL_ ## name = slot->name;	551	#define VAR(name,type) PL_ ## name = slot->name;
527	# include "state.h"	552	# include "state.h"
528	#undef VAR	553	#undef VAR
529		554
…		…
543	PUTBACK;	568	PUTBACK;
544	}	569	}
545		570
546	slf_frame = c->slf_frame;	571	slf_frame = c->slf_frame;
547	CORO_THROW = c->except;	572	CORO_THROW = c->except;
		573
		574	if (expect_false (c->on_enter))
		575	{
		576	int i;
		577
		578	for (i = 0; i <= AvFILLp (c->on_enter); ++i)
		579	on_enterleave_call (aTHX_ AvARRAY (c->on_enter)[i]);
		580	}
548	}	581	}
549		582
550	static void	583	static void
551	save_perl (pTHX_ Coro__State c)	584	save_perl (pTHX_ Coro__State c)
552	{	585	{
		586	if (expect_false (c->on_leave))
		587	{
		588	int i;
		589
		590	for (i = AvFILLp (c->on_leave); i >= 0; --i)
		591	on_enterleave_call (aTHX_ AvARRAY (c->on_leave)[i]);
		592	}
		593
553	c->except = CORO_THROW;	594	c->except = CORO_THROW;
554	c->slf_frame = slf_frame;	595	c->slf_frame = slf_frame;
555		596
556	{	597	{
557	dSP;	598	dSP;
…		…
615	c->mainstack = PL_mainstack;	656	c->mainstack = PL_mainstack;
616		657
617	{	658	{
618	perl_slots slot = c->slot = (perl_slots )(cxstack + cxstack_ix + 1);	659	perl_slots slot = c->slot = (perl_slots )(cxstack + cxstack_ix + 1);
619		660
620	slot->defav = GvAV (PL_defgv);	661	slot->defav = GvAV (PL_defgv);
621	slot->defsv = DEFSV;	662	slot->defsv = DEFSV;
622	slot->errsv = ERRSV;	663	slot->errsv = ERRSV;
623	slot->irsgv = GvSV (irsgv);	664	slot->irsgv = GvSV (irsgv);
		665	slot->hinthv = GvHV (PL_hintgv);
624		666
625	#define VAR(name,type) slot->name = PL_ ## name;	667	#define VAR(name,type) slot->name = PL_ ## name;
626	# include "state.h"	668	# include "state.h"
627	#undef VAR	669	#undef VAR
628	}	670	}
…		…
755	#endif	797	#endif
756		798
757	/*	799	/*
758	* This overrides the default magic get method of %SIG elements.	800	* 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	801	* 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	802	* and instead of trying to save and restore the hash elements, we just provide
761	* readback here.	803	* 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	*/	804	*/
766	static int	805	static int
767	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)	806	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)
768	{	807	{
769	const char *s = MgPV_nolen_const (mg);	808	const char *s = MgPV_nolen_const (mg);
…		…
822	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;	861	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
823		862
824	if (svp)	863	if (svp)
825	{	864	{
826	SV old = svp;	865	SV old = svp;
827	*svp = newSVsv (sv);	866	*svp = SvOK (sv) ? newSVsv (sv) : 0;
828	SvREFCNT_dec (old);	867	SvREFCNT_dec (old);
829	return 0;	868	return 0;
830	}	869	}
831	}	870	}
832		871
…		…
864		903
865	PL_runops = RUNOPS_DEFAULT;	904	PL_runops = RUNOPS_DEFAULT;
866	PL_curcop = &PL_compiling;	905	PL_curcop = &PL_compiling;
867	PL_in_eval = EVAL_NULL;	906	PL_in_eval = EVAL_NULL;
868	PL_comppad = 0;	907	PL_comppad = 0;
		908	PL_comppad_name = 0;
		909	PL_comppad_name_fill = 0;
		910	PL_comppad_name_floor = 0;
869	PL_curpm = 0;	911	PL_curpm = 0;
870	PL_curpad = 0;	912	PL_curpad = 0;
871	PL_localizing = 0;	913	PL_localizing = 0;
872	PL_dirty = 0;	914	PL_dirty = 0;
873	PL_restartop = 0;	915	PL_restartop = 0;
874	#if PERL_VERSION_ATLEAST (5,10,0)	916	#if PERL_VERSION_ATLEAST (5,10,0)
875	PL_parser = 0;	917	PL_parser = 0;
876	#endif	918	#endif
		919	PL_hints = 0;
877		920
878	/* recreate the die/warn hooks */	921	/* recreate the die/warn hooks */
879	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 );
880	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);
881		924
882	GvSV (PL_defgv) = newSV (0);	925	GvSV (PL_defgv) = newSV (0);
883	GvAV (PL_defgv) = coro->args; coro->args = 0;	926	GvAV (PL_defgv) = coro->args; coro->args = 0;
884	GvSV (PL_errgv) = newSV (0);	927	GvSV (PL_errgv) = newSV (0);
885	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;
886	PL_rs = newSVsv (GvSV (irsgv));	930	PL_rs = newSVsv (GvSV (irsgv));
887	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);	931	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);
888		932
889	{	933	{
890	dSP;	934	dSP;
…		…
919	/* copy throw, in case it was set before coro_setup */	963	/* copy throw, in case it was set before coro_setup */
920	CORO_THROW = coro->except;	964	CORO_THROW = coro->except;
921	}	965	}
922		966
923	static void	967	static void
924	coro_destruct (pTHX_ struct coro *coro)	968	coro_unwind_stacks (pTHX)
925	{	969	{
926	if (!IN_DESTRUCT)	970	if (!IN_DESTRUCT)
927	{	971	{
928	/* restore all saved variables and stuff */	972	/* restore all saved variables and stuff */
929	LEAVE_SCOPE (0);	973	LEAVE_SCOPE (0);
…		…
937	POPSTACK_TO (PL_mainstack);	981	POPSTACK_TO (PL_mainstack);
938		982
939	/* unwind main stack */	983	/* unwind main stack */
940	dounwind (-1);	984	dounwind (-1);
941	}	985	}
		986	}
		987
		988	static void
		989	coro_destruct_perl (pTHX_ struct coro *coro)
		990	{
		991	coro_unwind_stacks (aTHX);
942		992
943	SvREFCNT_dec (GvSV (PL_defgv));	993	SvREFCNT_dec (GvSV (PL_defgv));
944	SvREFCNT_dec (GvAV (PL_defgv));	994	SvREFCNT_dec (GvAV (PL_defgv));
945	SvREFCNT_dec (GvSV (PL_errgv));	995	SvREFCNT_dec (GvSV (PL_errgv));
946	SvREFCNT_dec (PL_defoutgv);	996	SvREFCNT_dec (PL_defoutgv);
947	SvREFCNT_dec (PL_rs);	997	SvREFCNT_dec (PL_rs);
948	SvREFCNT_dec (GvSV (irsgv));	998	SvREFCNT_dec (GvSV (irsgv));
		999	SvREFCNT_dec (GvHV (PL_hintgv));
949		1000
950	SvREFCNT_dec (PL_diehook);	1001	SvREFCNT_dec (PL_diehook);
951	SvREFCNT_dec (PL_warnhook);	1002	SvREFCNT_dec (PL_warnhook);
952		1003
953	SvREFCNT_dec (coro->saved_deffh);	1004	SvREFCNT_dec (coro->saved_deffh);
…		…
1168	/*	1219	/*
1169	* 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
1170	* 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)
1171	* 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
1172	* bootstrap-time "top" top_env, as we cannot restore the "main"	1223	* bootstrap-time "top" top_env, as we cannot restore the "main"
1173	* 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.
1174	*/	1227	*/
1175	PL_top_env = main_top_env;	1228	PL_top_env = main_top_env;
1176	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 */
1177	}	1230	}
1178	}	1231	}
…		…
1255	cctx_destroy (coro_cctx *cctx)	1308	cctx_destroy (coro_cctx *cctx)
1256	{	1309	{
1257	if (!cctx)	1310	if (!cctx)
1258	return;	1311	return;
1259		1312
1260	assert (cctx != cctx_current);//D temporary	1313	assert (("FATAL: tried to destroy current cctx", cctx != cctx_current));//D temporary?
1261		1314
1262	--cctx_count;	1315	--cctx_count;
1263	coro_destroy (&cctx->cctx);	1316	coro_destroy (&cctx->cctx);
1264		1317
1265	/* coro_transfer creates new, empty cctx's */	1318	/* coro_transfer creates new, empty cctx's */
…		…
1329	/* TODO: throwing up here is considered harmful */	1382	/* TODO: throwing up here is considered harmful */
1330		1383
1331	if (expect_true (prev != next))	1384	if (expect_true (prev != next))
1332	{	1385	{
1333	if (expect_false (!(prev->flags & (CF_RUNNING \| CF_NEW))))	1386	if (expect_false (!(prev->flags & (CF_RUNNING \| CF_NEW))))
1334	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,");
1335		1388
1336	if (expect_false (next->flags & CF_RUNNING))	1389	if (expect_false (next->flags & CF_RUNNING))
1337	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,");
1338		1391
1339	if (expect_false (next->flags & CF_DESTROYED))	1392	if (expect_false (next->flags & CF_DESTROYED))
…		…
1383	coro_setup (aTHX_ next);	1436	coro_setup (aTHX_ next);
1384	}	1437	}
1385	else	1438	else
1386	load_perl (aTHX_ next);	1439	load_perl (aTHX_ next);
1387		1440
1388	assert (!prev->cctx);//D temporary
1389
1390	/* possibly untie and reuse the cctx */	1441	/* possibly untie and reuse the cctx */
1391	if (expect_true (	1442	if (expect_true (
1392	cctx_current->idle_sp == STACKLEVEL	1443	cctx_current->idle_sp == STACKLEVEL
1393	&& !(cctx_current->flags & CC_TRACE)	1444	&& !(cctx_current->flags & CC_TRACE)
1394	&& !force_cctx	1445	&& !force_cctx
…		…
1449	--coro_nready;	1500	--coro_nready;
1450	}	1501	}
1451	else	1502	else
1452	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 */
1453		1504
1454	if (coro->mainstack && coro->mainstack != main_mainstack)	1505	if (coro->mainstack
		1506	&& coro->mainstack != main_mainstack
		1507	&& coro->slot
		1508	&& !PL_dirty)
1455	{	1509	{
1456	struct coro temp;	1510	struct coro *current = SvSTATE_current;
1457		1511
1458	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));
1459		1513
1460	save_perl (aTHX_ &temp);	1514	save_perl (aTHX_ current);
1461	load_perl (aTHX_ coro);	1515	load_perl (aTHX_ coro);
1462		1516
1463	coro_destruct (aTHX_ coro);	1517	coro_destruct_perl (aTHX_ coro);
1464		1518
1465	load_perl (aTHX_ &temp);	1519	load_perl (aTHX_ current);
1466		1520
1467	coro->slot = 0;	1521	coro->slot = 0;
1468	}	1522	}
1469		1523
1470	cctx_destroy (coro->cctx);	1524	cctx_destroy (coro->cctx);
…		…
1582	{	1636	{
1583	struct coro *coro;	1637	struct coro *coro;
1584	SV *sv_hook;	1638	SV *sv_hook;
1585	void (*xs_hook)(void);	1639	void (*xs_hook)(void);
1586		1640
1587	if (SvROK (coro_sv))
1588	coro_sv = SvRV (coro_sv);
1589
1590	coro = SvSTATE (coro_sv);	1641	coro = SvSTATE (coro_sv);
1591		1642
1592	if (coro->flags & CF_READY)	1643	if (coro->flags & CF_READY)
1593	return 0;	1644	return 0;
1594		1645
…		…
1668	}	1719	}
1669	}	1720	}
1670	else	1721	else
1671	{	1722	{
1672	/* 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	{
1673	dSP;	1733	dSP;
1674		1734
1675	ENTER;	1735	ENTER;
1676	SAVETMPS;	1736	SAVETMPS;
1677		1737
1678	PUSHMARK (SP);	1738	PUSHMARK (SP);
1679	PUTBACK;	1739	PUTBACK;
1680	call_sv (get_sv ("Coro::idle", FALSE), G_VOID \| G_DISCARD);	1740	call_sv (sv_idle, G_VOID \| G_DISCARD);
1681		1741
1682	FREETMPS;	1742	FREETMPS;
1683	LEAVE;	1743	LEAVE;
		1744	}
1684	}	1745	}
1685	}	1746	}
1686	}	1747	}
1687		1748
1688	INLINE void	1749	INLINE void
…		…
1833	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 */
1834	api_ready (aTHX_ sv_manager);	1895	api_ready (aTHX_ sv_manager);
1835		1896
1836	frame->prepare = prepare_schedule;	1897	frame->prepare = prepare_schedule;
1837	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);/
1838	}	1903	}
1839		1904
1840	/*****************************************************************************/	1905	/*****************************************************************************/
1841	/* async pool handler */	1906	/* async pool handler */
1842		1907
…		…
2261		2326
2262	PL_op->op_ppaddr = pp_slf;	2327	PL_op->op_ppaddr = pp_slf;
2263	/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 */
2264		2329
2265	PL_op = (OP *)&slf_restore;	2330	PL_op = (OP *)&slf_restore;
		2331	}
		2332
		2333	/*****************************************************************************/
		2334	/* dynamic wind */
		2335
		2336	static void
		2337	on_enterleave_call (pTHX_ SV *cb)
		2338	{
		2339	dSP;
		2340
		2341	PUSHSTACK;
		2342
		2343	PUSHMARK (SP);
		2344	PUTBACK;
		2345	call_sv (cb, G_VOID \| G_DISCARD);
		2346	SPAGAIN;
		2347
		2348	POPSTACK;
		2349	}
		2350
		2351	static SV *
		2352	coro_avp_pop_and_free (pTHX_ AV **avp)
		2353	{
		2354	AV av = avp;
		2355	SV *res = av_pop (av);
		2356
		2357	if (AvFILLp (av) < 0)
		2358	{
		2359	*avp = 0;
		2360	SvREFCNT_dec (av);
		2361	}
		2362
		2363	return res;
		2364	}
		2365
		2366	static void
		2367	coro_pop_on_enter (pTHX_ void *coro)
		2368	{
		2369	SV cb = coro_avp_pop_and_free (aTHX_ &((struct coro )coro)->on_enter);
		2370	SvREFCNT_dec (cb);
		2371	}
		2372
		2373	static void
		2374	coro_pop_on_leave (pTHX_ void *coro)
		2375	{
		2376	SV cb = coro_avp_pop_and_free (aTHX_ &((struct coro )coro)->on_leave);
		2377	on_enterleave_call (aTHX_ sv_2mortal (cb));
2266	}	2378	}
2267		2379
2268	/*****************************************************************************/	2380	/*****************************************************************************/
2269	/* PerlIO::cede */	2381	/* PerlIO::cede */
2270		2382
…		…
2351	SV **ary;	2463	SV **ary;
2352		2464
2353	/* unfortunately, building manually saves memory */	2465	/* unfortunately, building manually saves memory */
2354	Newx (ary, 2, SV *);	2466	Newx (ary, 2, SV *);
2355	AvALLOC (av) = ary;	2467	AvALLOC (av) = ary;
		2468	#if PERL_VERSION_ATLEAST (5,10,0)
2356	/AvARRAY (av) = ary;/	2469	AvARRAY (av) = ary;
		2470	#else
2357	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
2358	AvMAX (av) = 1;	2475	AvMAX (av) = 1;
2359	AvFILLp (av) = 0;	2476	AvFILLp (av) = 0;
2360	ary [0] = newSViv (count);	2477	ary [0] = newSViv (count);
2361		2478
2362	return newRV_noinc ((SV *)av);	2479	return newRV_noinc ((SV *)av);
…		…
2891	SV *	3008	SV *
2892	clone (Coro::State coro)	3009	clone (Coro::State coro)
2893	CODE:	3010	CODE:
2894	{	3011	{
2895	#if CORO_CLONE	3012	#if CORO_CLONE
2896	struct coro *ncoro = coro_clone (coro);	3013	struct coro *ncoro = coro_clone (aTHX_ coro);
2897	MAGIC *mg;	3014	MAGIC *mg;
2898	/* TODO: too much duplication */	3015	/* TODO: too much duplication */
2899	ncoro->hv = newHV ();	3016	ncoro->hv = newHV ();
2900	mg = sv_magicext ((SV )ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char )ncoro, 0);	3017	mg = sv_magicext ((SV )ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char )ncoro, 0);
2901	mg->mg_flags \|= MGf_DUP;	3018	mg->mg_flags \|= MGf_DUP;
…		…
2963	eval = 1	3080	eval = 1
2964	CODE:	3081	CODE:
2965	{	3082	{
2966	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))	3083	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))
2967	{	3084	{
2968	struct coro temp;	3085	struct coro *current = SvSTATE_current;
2969		3086
2970	if (!(coro->flags & CF_RUNNING))	3087	if (current != coro)
2971	{	3088	{
2972	PUTBACK;	3089	PUTBACK;
2973	save_perl (aTHX_ &temp);	3090	save_perl (aTHX_ current);
2974	load_perl (aTHX_ coro);	3091	load_perl (aTHX_ coro);
		3092	SPAGAIN;
2975	}	3093	}
2976		3094
2977	{
2978	dSP;
2979	ENTER;
2980	SAVETMPS;
2981	PUTBACK;
2982	PUSHSTACK;	3095	PUSHSTACK;
		3096
2983	PUSHMARK (SP);	3097	PUSHMARK (SP);
		3098	PUTBACK;
2984		3099
2985	if (ix)	3100	if (ix)
2986	eval_sv (coderef, 0);	3101	eval_sv (coderef, 0);
2987	else	3102	else
2988	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	3103	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
2989		3104
		3105	SPAGAIN;
2990	POPSTACK;	3106	POPSTACK;
2991	SPAGAIN;
2992	FREETMPS;
2993	LEAVE;
2994	PUTBACK;
2995	}
2996		3107
2997	if (!(coro->flags & CF_RUNNING))	3108	if (current != coro)
2998	{	3109	{
		3110	PUTBACK;
2999	save_perl (aTHX_ coro);	3111	save_perl (aTHX_ coro);
3000	load_perl (aTHX_ &temp);	3112	load_perl (aTHX_ current);
3001	SPAGAIN;	3113	SPAGAIN;
3002	}	3114	}
3003	}	3115	}
3004	}	3116	}
3005		3117
…		…
3092	{	3204	{
3093	int i;	3205	int i;
3094		3206
3095	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);	3207	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
3096	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);	3208	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
3097	cv_coro_run = get_cv ( "Coro::_terminate", GV_ADD);	3209	cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD);
3098	cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD);	3210	cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD);
3099	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);
3100	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);	3212	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
3101	av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE);	3213	av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE);
3102	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);
3103		3216
3104	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);
3105	sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro);	3218	sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro);
3106	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);
3107	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);
…		…
3286	rouse_wait (...)	3399	rouse_wait (...)
3287	PROTOTYPE: ;$	3400	PROTOTYPE: ;$
3288	PPCODE:	3401	PPCODE:
3289	CORO_EXECUTE_SLF_XS (slf_init_rouse_wait);	3402	CORO_EXECUTE_SLF_XS (slf_init_rouse_wait);
3290		3403
		3404	void
		3405	on_enter (SV *block)
		3406	ALIAS:
		3407	on_leave = 1
		3408	PROTOTYPE: &
		3409	CODE:
		3410	{
		3411	struct coro *coro = SvSTATE_current;
		3412	AV **avp = ix ? &coro->on_leave : &coro->on_enter;
		3413
		3414	block = (SV *)coro_sv_2cv (aTHX_ block);
		3415
		3416	if (!*avp)
		3417	*avp = newAV ();
		3418
		3419	av_push (*avp, SvREFCNT_inc (block));
		3420
		3421	if (!ix)
		3422	on_enterleave_call (aTHX_ block);
		3423
		3424	LEAVE; /* pp_entersub unfortunately forces an ENTER/LEAVE around xs calls */
		3425	SAVEDESTRUCTOR_X (ix ? coro_pop_on_leave : coro_pop_on_enter, (void *)coro);
		3426	ENTER; /* pp_entersub unfortunately forces an ENTER/LEAVE around xs calls */
		3427	}
		3428
3291		3429
3292	MODULE = Coro::State PACKAGE = PerlIO::cede	3430	MODULE = Coro::State PACKAGE = PerlIO::cede
3293		3431
3294	BOOT:	3432	BOOT:
3295	PerlIO_define_layer (aTHX_ &PerlIO_cede);	3433	PerlIO_define_layer (aTHX_ &PerlIO_cede);

Diff Legend

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

Comparing Coro/Coro/State.xs (file contents): Revision 1.324 by root, Sat Nov 22 07:02:28 2008 UTC vs. Revision 1.340 by root, Mon Dec 15 00:30:40 2008 UTC

Diff Legend

Comparing Coro/Coro/State.xs (file contents):
Revision 1.324 by root, Sat Nov 22 07:02:28 2008 UTC vs.
Revision 1.340 by root, Mon Dec 15 00:30:40 2008 UTC