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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.312 by root, Thu Nov 20 03:10:30 2008 UTC vs.
Revision 1.335 by root, Thu Dec 4 04:31:41 2008 UTC

…		…
98	# define newSV(l) NEWSV(0,l)	98	# define newSV(l) NEWSV(0,l)
99	#endif	99	#endif
100	#ifndef CvISXSUB_on	100	#ifndef CvISXSUB_on
101	# define CvISXSUB_on(cv) (void)cv	101	# define CvISXSUB_on(cv) (void)cv
102	#endif	102	#endif
		103	#ifndef CvISXSUB
		104	# define CvISXSUB(cv) (CvXSUB (cv) ? TRUE : FALSE)
		105	#endif
		106	#ifndef Newx
		107	# define Newx(ptr,nitems,type) New (0,ptr,nitems,type)
		108	#endif
103		109
104	/* 5.8.7 */	110	/* 5.8.7 */
105	#ifndef SvRV_set	111	#ifndef SvRV_set
106	# define SvRV_set(s,v) SvRV(s) = (v)	112	# define SvRV_set(s,v) SvRV(s) = (v)
107	#endif	113	#endif
…		…
127	#else	133	#else
128	# define dSTACKLEVEL volatile void *stacklevel	134	# define dSTACKLEVEL volatile void *stacklevel
129	# define STACKLEVEL ((void *)&stacklevel)	135	# define STACKLEVEL ((void *)&stacklevel)
130	#endif	136	#endif
131		137
132	#define IN_DESTRUCT (PL_main_cv == Nullcv)	138	#define IN_DESTRUCT PL_dirty
133		139
134	#if __GNUC__ >= 3	140	#if __GNUC__ >= 3
135	# define attribute(x) __attribute__(x)	141	# define attribute(x) __attribute__(x)
136	# define expect(expr,value) __builtin_expect ((expr),(value))	142	# define expect(expr,value) __builtin_expect ((expr),(value))
137	# define INLINE static inline	143	# define INLINE static inline
…		…
167	static AV main_mainstack; / used to differentiate between $main and others */	173	static AV main_mainstack; / used to differentiate between $main and others */
168	static JMPENV *main_top_env;	174	static JMPENV *main_top_env;
169	static HV coro_state_stash, coro_stash;	175	static HV coro_state_stash, coro_stash;
170	static volatile SV coro_mortal; / will be freed/thrown after next transfer */	176	static volatile SV coro_mortal; / will be freed/thrown after next transfer */
171		177
		178	static AV av_destroy; / destruction queue */
		179	static SV sv_manager; / the manager coro */
		180	static SV sv_idle; / $Coro::idle */
		181
172	static GV irsgv; / $/ */	182	static GV irsgv; / $/ */
173	static GV stdoutgv; / STDOUT /	183	static GV stdoutgv; / STDOUT /
174	static SV *rv_diehook;	184	static SV *rv_diehook;
175	static SV *rv_warnhook;	185	static SV *rv_warnhook;
176	static HV hv_sig; / %SIG */	186	static HV hv_sig; / %SIG */
177		187
178	/* async_pool helper stuff */	188	/* async_pool helper stuff */
179	static SV *sv_pool_rss;	189	static SV *sv_pool_rss;
180	static SV *sv_pool_size;	190	static SV *sv_pool_size;
181	static SV *sv_async_pool_idle;	191	static SV sv_async_pool_idle; / description string */
182	static AV *av_async_pool;	192	static AV av_async_pool; / idle pool */
183	static SV *sv_Coro;	193	static SV sv_Coro; / class string */
184	static CV *cv_pool_handler;	194	static CV *cv_pool_handler;
185	static CV *cv_coro_new;	195	static CV *cv_coro_state_new;
186		196
187	/* Coro::AnyEvent */	197	/* Coro::AnyEvent */
188	static SV *sv_activity;	198	static SV *sv_activity;
189		199
190	static struct coro_cctx *cctx_first;	200	static struct coro_cctx *cctx_first;
…		…
219	int valgrind_id;	229	int valgrind_id;
220	#endif	230	#endif
221	unsigned char flags;	231	unsigned char flags;
222	} coro_cctx;	232	} coro_cctx;
223		233
		234	coro_cctx cctx_current; / the currently running cctx */
		235
		236	/*****************************************************************************/
		237
224	enum {	238	enum {
225	CF_RUNNING = 0x0001, /* coroutine is running */	239	CF_RUNNING = 0x0001, /* coroutine is running */
226	CF_READY = 0x0002, /* coroutine is ready */	240	CF_READY = 0x0002, /* coroutine is ready */
227	CF_NEW = 0x0004, /* has never been switched to */	241	CF_NEW = 0x0004, /* has never been switched to */
228	CF_DESTROYED = 0x0008, /* coroutine data has been freed */	242	CF_DESTROYED = 0x0008, /* coroutine data has been freed */
…		…
233	{	247	{
234	SV *defsv;	248	SV *defsv;
235	AV *defav;	249	AV *defav;
236	SV *errsv;	250	SV *errsv;
237	SV *irsgv;	251	SV *irsgv;
		252	HV *hinthv;
238	#define VAR(name,type) type name;	253	#define VAR(name,type) type name;
239	# include "state.h"	254	# include "state.h"
240	#undef VAR	255	#undef VAR
241	} perl_slots;	256	} perl_slots;
242		257
…		…
340	HV *st;	355	HV *st;
341	GV *gvp;	356	GV *gvp;
342	return sv_2cv (sv, &st, &gvp, 0);	357	return sv_2cv (sv, &st, &gvp, 0);
343	}	358	}
344		359
		360	/*****************************************************************************/
		361	/* magic glue */
		362
		363	#define CORO_MAGIC_type_cv 26
		364	#define CORO_MAGIC_type_state PERL_MAGIC_ext
		365
		366	#define CORO_MAGIC_NN(sv, type) \
		367	(expect_true (SvMAGIC (sv)->mg_type == type) \
		368	? SvMAGIC (sv) \
		369	: mg_find (sv, type))
		370
		371	#define CORO_MAGIC(sv, type) \
		372	(expect_true (SvMAGIC (sv)) \
		373	? CORO_MAGIC_NN (sv, type) \
		374	: 0)
		375
		376	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
		377	#define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state)
		378
		379	INLINE struct coro *
		380	SvSTATE_ (pTHX_ SV *coro)
		381	{
		382	HV *stash;
		383	MAGIC *mg;
		384
		385	if (SvROK (coro))
		386	coro = SvRV (coro);
		387
		388	if (expect_false (SvTYPE (coro) != SVt_PVHV))
		389	croak ("Coro::State object required");
		390
		391	stash = SvSTASH (coro);
		392	if (expect_false (stash != coro_stash && stash != coro_state_stash))
		393	{
		394	/* very slow, but rare, check */
		395	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
		396	croak ("Coro::State object required");
		397	}
		398
		399	mg = CORO_MAGIC_state (coro);
		400	return (struct coro *)mg->mg_ptr;
		401	}
		402
		403	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
		404
		405	/* faster than SvSTATE, but expects a coroutine hv */
		406	#define SvSTATE_hv(hv) ((struct coro )CORO_MAGIC_NN ((SV )hv, CORO_MAGIC_type_state)->mg_ptr)
		407	#define SvSTATE_current SvSTATE_hv (SvRV (coro_current))
		408
		409	/*****************************************************************************/
		410	/* padlist management and caching */
		411
345	static AV *	412	static AV *
346	coro_clone_padlist (pTHX_ CV *cv)	413	coro_derive_padlist (pTHX_ CV *cv)
347	{	414	{
348	AV *padlist = CvPADLIST (cv);	415	AV *padlist = CvPADLIST (cv);
349	AV newpadlist, newpad;	416	AV newpadlist, newpad;
350		417
351	newpadlist = newAV ();	418	newpadlist = newAV ();
…		…
356	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);	423	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
357	#endif	424	#endif
358	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];	425	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
359	--AvFILLp (padlist);	426	--AvFILLp (padlist);
360		427
361	av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE)));	428	av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0]));
362	av_store (newpadlist, 1, (SV *)newpad);	429	av_store (newpadlist, 1, (SV *)newpad);
363		430
364	return newpadlist;	431	return newpadlist;
365	}	432	}
366		433
367	static void	434	static void
368	free_padlist (pTHX_ AV *padlist)	435	free_padlist (pTHX_ AV *padlist)
369	{	436	{
370	/* may be during global destruction */	437	/* may be during global destruction */
371	if (SvREFCNT (padlist))	438	if (!IN_DESTRUCT)
372	{	439	{
373	I32 i = AvFILLp (padlist);	440	I32 i = AvFILLp (padlist);
374	while (i >= 0)	441
		442	while (i > 0) /* special-case index 0 */
375	{	443	{
376	SV **svp = av_fetch (padlist, i--, FALSE);	444	/* we try to be extra-careful here */
377	if (svp)	445	AV av = (AV )AvARRAY (padlist)[i--];
378	{	446	I32 j = AvFILLp (av);
379	SV *sv;	447
380	while (&PL_sv_undef != (sv = av_pop ((AV )svp)))	448	while (j >= 0)
		449	SvREFCNT_dec (AvARRAY (av)[j--]);
		450
		451	AvFILLp (av) = -1;
381	SvREFCNT_dec (sv);	452	SvREFCNT_dec (av);
382
383	SvREFCNT_dec (*svp);
384	}
385	}	453	}
386		454
		455	SvREFCNT_dec (AvARRAY (padlist)[0]);
		456
		457	AvFILLp (padlist) = -1;
387	SvREFCNT_dec ((SV*)padlist);	458	SvREFCNT_dec ((SV*)padlist);
388	}	459	}
389	}	460	}
390		461
391	static int	462	static int
…		…
400		471
401	SvREFCNT_dec (av); /* sv_magicext increased the refcount */	472	SvREFCNT_dec (av); /* sv_magicext increased the refcount */
402		473
403	return 0;	474	return 0;
404	}	475	}
405
406	#define CORO_MAGIC_type_cv 26
407	#define CORO_MAGIC_type_state PERL_MAGIC_ext
408		476
409	static MGVTBL coro_cv_vtbl = {	477	static MGVTBL coro_cv_vtbl = {
410	0, 0, 0, 0,	478	0, 0, 0, 0,
411	coro_cv_free	479	coro_cv_free
412	};	480	};
413
414	#define CORO_MAGIC_NN(sv, type) \
415	(expect_true (SvMAGIC (sv)->mg_type == type) \
416	? SvMAGIC (sv) \
417	: mg_find (sv, type))
418
419	#define CORO_MAGIC(sv, type) \
420	(expect_true (SvMAGIC (sv)) \
421	? CORO_MAGIC_NN (sv, type) \
422	: 0)
423
424	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
425	#define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state)
426
427	INLINE struct coro *
428	SvSTATE_ (pTHX_ SV *coro)
429	{
430	HV *stash;
431	MAGIC *mg;
432
433	if (SvROK (coro))
434	coro = SvRV (coro);
435
436	if (expect_false (SvTYPE (coro) != SVt_PVHV))
437	croak ("Coro::State object required");
438
439	stash = SvSTASH (coro);
440	if (expect_false (stash != coro_stash && stash != coro_state_stash))
441	{
442	/* very slow, but rare, check */
443	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
444	croak ("Coro::State object required");
445	}
446
447	mg = CORO_MAGIC_state (coro);
448	return (struct coro *)mg->mg_ptr;
449	}
450
451	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
452
453	/* faster than SvSTATE, but expects a coroutine hv */
454	#define SvSTATE_hv(hv) ((struct coro )CORO_MAGIC_NN ((SV )hv, CORO_MAGIC_type_state)->mg_ptr)
455	#define SvSTATE_current SvSTATE_hv (SvRV (coro_current))
456		481
457	/* the next two functions merely cache the padlists */	482	/* the next two functions merely cache the padlists */
458	static void	483	static void
459	get_padlist (pTHX_ CV *cv)	484	get_padlist (pTHX_ CV *cv)
460	{	485	{
…		…
471	CV *cp = Perl_cv_clone (aTHX_ cv);	496	CV *cp = Perl_cv_clone (aTHX_ cv);
472	CvPADLIST (cv) = CvPADLIST (cp);	497	CvPADLIST (cv) = CvPADLIST (cp);
473	CvPADLIST (cp) = 0;	498	CvPADLIST (cp) = 0;
474	SvREFCNT_dec (cp);	499	SvREFCNT_dec (cp);
475	#else	500	#else
476	CvPADLIST (cv) = coro_clone_padlist (aTHX_ cv);	501	CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv);
477	#endif	502	#endif
478	}	503	}
479	}	504	}
480		505
481	static void	506	static void
…		…
488	mg = sv_magicext ((SV )cv, (SV )newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);	513	mg = sv_magicext ((SV )cv, (SV )newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);
489		514
490	av = (AV *)mg->mg_obj;	515	av = (AV *)mg->mg_obj;
491		516
492	if (expect_false (AvFILLp (av) >= AvMAX (av)))	517	if (expect_false (AvFILLp (av) >= AvMAX (av)))
493	av_extend (av, AvMAX (av) + 1);	518	av_extend (av, AvFILLp (av) + 1);
494		519
495	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);	520	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
496	}	521	}
497		522
498	/ load & save, init *****************************************************/	523	/ load & save, init *****************************************************/
…		…
503	perl_slots *slot = c->slot;	528	perl_slots *slot = c->slot;
504	c->slot = 0;	529	c->slot = 0;
505		530
506	PL_mainstack = c->mainstack;	531	PL_mainstack = c->mainstack;
507		532
508	GvSV (PL_defgv) = slot->defsv;	533	GvSV (PL_defgv) = slot->defsv;
509	GvAV (PL_defgv) = slot->defav;	534	GvAV (PL_defgv) = slot->defav;
510	GvSV (PL_errgv) = slot->errsv;	535	GvSV (PL_errgv) = slot->errsv;
511	GvSV (irsgv) = slot->irsgv;	536	GvSV (irsgv) = slot->irsgv;
		537	GvHV (PL_hintgv) = slot->hinthv;
512		538
513	#define VAR(name,type) PL_ ## name = slot->name;	539	#define VAR(name,type) PL_ ## name = slot->name;
514	# include "state.h"	540	# include "state.h"
515	#undef VAR	541	#undef VAR
516		542
…		…
602	c->mainstack = PL_mainstack;	628	c->mainstack = PL_mainstack;
603		629
604	{	630	{
605	perl_slots slot = c->slot = (perl_slots )(cxstack + cxstack_ix + 1);	631	perl_slots slot = c->slot = (perl_slots )(cxstack + cxstack_ix + 1);
606		632
607	slot->defav = GvAV (PL_defgv);	633	slot->defav = GvAV (PL_defgv);
608	slot->defsv = DEFSV;	634	slot->defsv = DEFSV;
609	slot->errsv = ERRSV;	635	slot->errsv = ERRSV;
610	slot->irsgv = GvSV (irsgv);	636	slot->irsgv = GvSV (irsgv);
		637	slot->hinthv = GvHV (PL_hintgv);
611		638
612	#define VAR(name,type) slot->name = PL_ ## name;	639	#define VAR(name,type) slot->name = PL_ ## name;
613	# include "state.h"	640	# include "state.h"
614	#undef VAR	641	#undef VAR
615	}	642	}
…		…
831	slf_check_nop (pTHX_ struct CoroSLF *frame)	858	slf_check_nop (pTHX_ struct CoroSLF *frame)
832	{	859	{
833	return 0;	860	return 0;
834	}	861	}
835		862
		863	static int
		864	slf_check_repeat (pTHX_ struct CoroSLF *frame)
		865	{
		866	return 1;
		867	}
		868
836	static UNOP coro_setup_op;	869	static UNOP coro_setup_op;
837		870
838	static void NOINLINE /* noinline to keep it out of the transfer fast path */	871	static void NOINLINE /* noinline to keep it out of the transfer fast path */
839	coro_setup (pTHX_ struct coro *coro)	872	coro_setup (pTHX_ struct coro *coro)
840	{	873	{
…		…
845		878
846	PL_runops = RUNOPS_DEFAULT;	879	PL_runops = RUNOPS_DEFAULT;
847	PL_curcop = &PL_compiling;	880	PL_curcop = &PL_compiling;
848	PL_in_eval = EVAL_NULL;	881	PL_in_eval = EVAL_NULL;
849	PL_comppad = 0;	882	PL_comppad = 0;
		883	PL_comppad_name = 0;
		884	PL_comppad_name_fill = 0;
		885	PL_comppad_name_floor = 0;
850	PL_curpm = 0;	886	PL_curpm = 0;
851	PL_curpad = 0;	887	PL_curpad = 0;
852	PL_localizing = 0;	888	PL_localizing = 0;
853	PL_dirty = 0;	889	PL_dirty = 0;
854	PL_restartop = 0;	890	PL_restartop = 0;
855	#if PERL_VERSION_ATLEAST (5,10,0)	891	#if PERL_VERSION_ATLEAST (5,10,0)
856	PL_parser = 0;	892	PL_parser = 0;
857	#endif	893	#endif
		894	PL_hints = 0;
858		895
859	/* recreate the die/warn hooks */	896	/* recreate the die/warn hooks */
860	PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook );	897	PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook );
861	PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook);	898	PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook);
862		899
863	GvSV (PL_defgv) = newSV (0);	900	GvSV (PL_defgv) = newSV (0);
864	GvAV (PL_defgv) = coro->args; coro->args = 0;	901	GvAV (PL_defgv) = coro->args; coro->args = 0;
865	GvSV (PL_errgv) = newSV (0);	902	GvSV (PL_errgv) = newSV (0);
866	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);	903	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
		904	GvHV (PL_hintgv) = 0;
867	PL_rs = newSVsv (GvSV (irsgv));	905	PL_rs = newSVsv (GvSV (irsgv));
868	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);	906	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);
869		907
870	{	908	{
871	dSP;	909	dSP;
…		…
889	slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */	927	slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */
890	slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */	928	slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */
891		929
892	/* and we have to provide the pp_slf op in any case, so pp_slf can skip it */	930	/* and we have to provide the pp_slf op in any case, so pp_slf can skip it */
893	coro_setup_op.op_next = PL_op;	931	coro_setup_op.op_next = PL_op;
894	coro_setup_op.op_type = OP_CUSTOM;	932	coro_setup_op.op_type = OP_ENTERSUB;
895	coro_setup_op.op_ppaddr = pp_slf;	933	coro_setup_op.op_ppaddr = pp_slf;
896	/* no flags etc. required, as an init function won't be called */	934	/* no flags etc. required, as an init function won't be called */
897		935
898	PL_op = (OP *)&coro_setup_op;	936	PL_op = (OP *)&coro_setup_op;
899		937
900	/* copy throw, in case it was set before coro_setup */	938	/* copy throw, in case it was set before coro_setup */
901	CORO_THROW = coro->except;	939	CORO_THROW = coro->except;
902	}	940	}
903		941
904	static void	942	static void
905	coro_destruct (pTHX_ struct coro *coro)	943	coro_destruct_perl (pTHX_ struct coro *coro)
906	{	944	{
907	if (!IN_DESTRUCT)	945	if (!IN_DESTRUCT)
908	{	946	{
909	/* restore all saved variables and stuff */	947	/* restore all saved variables and stuff */
910	LEAVE_SCOPE (0);	948	LEAVE_SCOPE (0);
…		…
925	SvREFCNT_dec (GvAV (PL_defgv));	963	SvREFCNT_dec (GvAV (PL_defgv));
926	SvREFCNT_dec (GvSV (PL_errgv));	964	SvREFCNT_dec (GvSV (PL_errgv));
927	SvREFCNT_dec (PL_defoutgv);	965	SvREFCNT_dec (PL_defoutgv);
928	SvREFCNT_dec (PL_rs);	966	SvREFCNT_dec (PL_rs);
929	SvREFCNT_dec (GvSV (irsgv));	967	SvREFCNT_dec (GvSV (irsgv));
		968	SvREFCNT_dec (GvHV (PL_hintgv));
930		969
931	SvREFCNT_dec (PL_diehook);	970	SvREFCNT_dec (PL_diehook);
932	SvREFCNT_dec (PL_warnhook);	971	SvREFCNT_dec (PL_warnhook);
933		972
934	SvREFCNT_dec (coro->saved_deffh);	973	SvREFCNT_dec (coro->saved_deffh);
…		…
952	static int	991	static int
953	runops_trace (pTHX)	992	runops_trace (pTHX)
954	{	993	{
955	COP *oldcop = 0;	994	COP *oldcop = 0;
956	int oldcxix = -2;	995	int oldcxix = -2;
957	struct coro coro = SvSTATE_current; / trace cctx is tied to specific coro */
958	coro_cctx *cctx = coro->cctx;
959		996
960	while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))	997	while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))
961	{	998	{
962	PERL_ASYNC_CHECK ();	999	PERL_ASYNC_CHECK ();
963		1000
964	if (cctx->flags & CC_TRACE_ALL)	1001	if (cctx_current->flags & CC_TRACE_ALL)
965	{	1002	{
966	if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB)	1003	if (PL_op->op_type == OP_LEAVESUB && cctx_current->flags & CC_TRACE_SUB)
967	{	1004	{
968	PERL_CONTEXT *cx = &cxstack[cxstack_ix];	1005	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
969	SV bot, top;	1006	SV bot, top;
970	AV av = newAV (); / return values */	1007	AV av = newAV (); / return values */
971	SV **cb;	1008	SV **cb;
…		…
1008		1045
1009	if (PL_curcop != &PL_compiling)	1046	if (PL_curcop != &PL_compiling)
1010	{	1047	{
1011	SV **cb;	1048	SV **cb;
1012		1049
1013	if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB)	1050	if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB)
1014	{	1051	{
1015	PERL_CONTEXT *cx = &cxstack[cxstack_ix];	1052	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
1016		1053
1017	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)	1054	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)
1018	{	1055	{
1019	runops_proc_t old_runops = PL_runops;
1020	dSP;	1056	dSP;
1021	GV *gv = CvGV (cx->blk_sub.cv);	1057	GV *gv = CvGV (cx->blk_sub.cv);
1022	SV *fullname = sv_2mortal (newSV (0));	1058	SV *fullname = sv_2mortal (newSV (0));
1023		1059
1024	if (isGV (gv))	1060	if (isGV (gv))
…		…
1042	}	1078	}
1043		1079
1044	oldcxix = cxstack_ix;	1080	oldcxix = cxstack_ix;
1045	}	1081	}
1046		1082
1047	if (cctx->flags & CC_TRACE_LINE)	1083	if (cctx_current->flags & CC_TRACE_LINE)
1048	{	1084	{
1049	dSP;	1085	dSP;
1050		1086
1051	PL_runops = RUNOPS_DEFAULT;	1087	PL_runops = RUNOPS_DEFAULT;
1052	ENTER;	1088	ENTER;
…		…
1071		1107
1072	TAINT_NOT;	1108	TAINT_NOT;
1073	return 0;	1109	return 0;
1074	}	1110	}
1075		1111
1076	static struct coro_cctx *cctx_ssl_cctx;
1077	static struct CoroSLF cctx_ssl_frame;	1112	static struct CoroSLF cctx_ssl_frame;
1078		1113
1079	static void	1114	static void
1080	slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta)	1115	slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta)
1081	{	1116	{
1082	ta->prev = (struct coro *)cctx_ssl_cctx;
1083	ta->next = 0;	1117	ta->prev = 0;
1084	}	1118	}
1085		1119
1086	static int	1120	static int
1087	slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame)	1121	slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame)
1088	{	1122	{
…		…
1091	return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */	1125	return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */
1092	}	1126	}
1093		1127
1094	/* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */	1128	/* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */
1095	static void NOINLINE	1129	static void NOINLINE
1096	cctx_prepare (pTHX_ coro_cctx *cctx)	1130	cctx_prepare (pTHX)
1097	{	1131	{
1098	PL_top_env = &PL_start_env;	1132	PL_top_env = &PL_start_env;
1099		1133
1100	if (cctx->flags & CC_TRACE)	1134	if (cctx_current->flags & CC_TRACE)
1101	PL_runops = runops_trace;	1135	PL_runops = runops_trace;
1102		1136
1103	/* we already must be executing an SLF op, there is no other valid way	1137	/* we already must be executing an SLF op, there is no other valid way
1104	* that can lead to creation of a new cctx */	1138	* that can lead to creation of a new cctx */
1105	assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)",	1139	assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)",
1106	slf_frame.prepare && PL_op->op_ppaddr == pp_slf));	1140	slf_frame.prepare && PL_op->op_ppaddr == pp_slf));
1107		1141
1108	/* we must emulate leaving pp_slf, which is done inside slf_check_set_stacklevel */	1142	/* we must emulate leaving pp_slf, which is done inside slf_check_set_stacklevel */
1109	cctx_ssl_cctx = cctx;
1110	cctx_ssl_frame = slf_frame;	1143	cctx_ssl_frame = slf_frame;
1111		1144
1112	slf_frame.prepare = slf_prepare_set_stacklevel;	1145	slf_frame.prepare = slf_prepare_set_stacklevel;
1113	slf_frame.check = slf_check_set_stacklevel;	1146	slf_frame.check = slf_check_set_stacklevel;
1114	}	1147	}
…		…
1137	/* normally we would need to skip the entersub here */	1170	/* normally we would need to skip the entersub here */
1138	/* not doing so will re-execute it, which is exactly what we want */	1171	/* not doing so will re-execute it, which is exactly what we want */
1139	/* PL_nop = PL_nop->op_next */	1172	/* PL_nop = PL_nop->op_next */
1140		1173
1141	/* inject a fake subroutine call to cctx_init */	1174	/* inject a fake subroutine call to cctx_init */
1142	cctx_prepare (aTHX_ (coro_cctx *)arg);	1175	cctx_prepare (aTHX);
1143		1176
1144	/* cctx_run is the alternative tail of transfer() */	1177	/* cctx_run is the alternative tail of transfer() */
1145	transfer_tail (aTHX);	1178	transfer_tail (aTHX);
1146		1179
1147	/* somebody or something will hit me for both perl_run and PL_restartop */	1180	/* somebody or something will hit me for both perl_run and PL_restartop */
…		…
1155	/*	1188	/*
1156	* If perl-run returns we assume exit() was being called or the coro	1189	* If perl-run returns we assume exit() was being called or the coro
1157	* fell off the end, which seems to be the only valid (non-bug)	1190	* fell off the end, which seems to be the only valid (non-bug)
1158	* reason for perl_run to return. We try to exit by jumping to the	1191	* reason for perl_run to return. We try to exit by jumping to the
1159	* bootstrap-time "top" top_env, as we cannot restore the "main"	1192	* bootstrap-time "top" top_env, as we cannot restore the "main"
1160	* coroutine as Coro has no such concept	1193	* coroutine as Coro has no such concept.
		1194	* This actually isn't valid with the pthread backend, but OSes requiring
		1195	* that backend are too broken to do it in a standards-compliant way.
1161	*/	1196	*/
1162	PL_top_env = main_top_env;	1197	PL_top_env = main_top_env;
1163	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */	1198	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */
1164	}	1199	}
1165	}	1200	}
…		…
1242	cctx_destroy (coro_cctx *cctx)	1277	cctx_destroy (coro_cctx *cctx)
1243	{	1278	{
1244	if (!cctx)	1279	if (!cctx)
1245	return;	1280	return;
1246		1281
		1282	assert (cctx != cctx_current);//D temporary
		1283
1247	--cctx_count;	1284	--cctx_count;
1248	coro_destroy (&cctx->cctx);	1285	coro_destroy (&cctx->cctx);
1249		1286
1250	/* coro_transfer creates new, empty cctx's */	1287	/* coro_transfer creates new, empty cctx's */
1251	if (cctx->sptr)	1288	if (cctx->sptr)
…		…
1314	/* TODO: throwing up here is considered harmful */	1351	/* TODO: throwing up here is considered harmful */
1315		1352
1316	if (expect_true (prev != next))	1353	if (expect_true (prev != next))
1317	{	1354	{
1318	if (expect_false (!(prev->flags & (CF_RUNNING \| CF_NEW))))	1355	if (expect_false (!(prev->flags & (CF_RUNNING \| CF_NEW))))
1319	croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states,");	1356	croak ("Coro::State::transfer called with a suspended prev Coro::State, but can only transfer from running or new states,");
1320		1357
1321	if (expect_false (next->flags & CF_RUNNING))	1358	if (expect_false (next->flags & CF_RUNNING))
1322	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states,");	1359	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states,");
1323		1360
1324	if (expect_false (next->flags & CF_DESTROYED))	1361	if (expect_false (next->flags & CF_DESTROYED))
…		…
1336	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)	1373	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)
1337	{	1374	{
1338	dSTACKLEVEL;	1375	dSTACKLEVEL;
1339		1376
1340	/* sometimes transfer is only called to set idle_sp */	1377	/* sometimes transfer is only called to set idle_sp */
1341	if (expect_false (!next))	1378	if (expect_false (!prev))
1342	{	1379	{
1343	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1380	cctx_current->idle_sp = STACKLEVEL;
1344	assert (((coro_cctx )prev)->idle_te = PL_top_env); / just for the side-effect when asserts are enabled */	1381	assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */
1345	}	1382	}
1346	else if (expect_true (prev != next))	1383	else if (expect_true (prev != next))
1347	{	1384	{
1348	coro_cctx *prev__cctx;	1385	coro_cctx *cctx_prev;
1349		1386
1350	if (expect_false (prev->flags & CF_NEW))	1387	if (expect_false (prev->flags & CF_NEW))
1351	{	1388	{
1352	/* create a new empty/source context */	1389	/* create a new empty/source context */
1353	prev->cctx = cctx_new_empty ();
1354	prev->flags &= ~CF_NEW;	1390	prev->flags &= ~CF_NEW;
1355	prev->flags \|= CF_RUNNING;	1391	prev->flags \|= CF_RUNNING;
1356	}	1392	}
1357		1393
1358	prev->flags &= ~CF_RUNNING;	1394	prev->flags &= ~CF_RUNNING;
…		…
1369	coro_setup (aTHX_ next);	1405	coro_setup (aTHX_ next);
1370	}	1406	}
1371	else	1407	else
1372	load_perl (aTHX_ next);	1408	load_perl (aTHX_ next);
1373		1409
1374	prev__cctx = prev->cctx;	1410	assert (!prev->cctx);//D temporary
1375		1411
1376	/* possibly untie and reuse the cctx */	1412	/* possibly untie and reuse the cctx */
1377	if (expect_true (	1413	if (expect_true (
1378	prev__cctx->idle_sp == STACKLEVEL	1414	cctx_current->idle_sp == STACKLEVEL
1379	&& !(prev__cctx->flags & CC_TRACE)	1415	&& !(cctx_current->flags & CC_TRACE)
1380	&& !force_cctx	1416	&& !force_cctx
1381	))	1417	))
1382	{	1418	{
1383	/* I assume that stacklevel is a stronger indicator than PL_top_env changes */	1419	/* I assume that stacklevel is a stronger indicator than PL_top_env changes */
1384	assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == prev__cctx->idle_te));	1420	assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te));
1385		1421
1386	prev->cctx = 0;
1387
1388	/* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */	1422	/* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */
1389	/* without this the next cctx_get might destroy the prev__cctx while still in use */	1423	/* without this the next cctx_get might destroy the running cctx while still in use */
1390	if (expect_false (CCTX_EXPIRED (prev__cctx)))	1424	if (expect_false (CCTX_EXPIRED (cctx_current)))
1391	if (!next->cctx)	1425	if (expect_true (!next->cctx))
1392	next->cctx = cctx_get (aTHX);	1426	next->cctx = cctx_get (aTHX);
1393		1427
1394	cctx_put (prev__cctx);	1428	cctx_put (cctx_current);
1395	}	1429	}
		1430	else
		1431	prev->cctx = cctx_current;
1396		1432
1397	++next->usecount;	1433	++next->usecount;
1398		1434
1399	if (expect_true (!next->cctx))	1435	cctx_prev = cctx_current;
1400	next->cctx = cctx_get (aTHX);	1436	cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX);
1401		1437
1402	if (expect_false (prev__cctx != next->cctx))	1438	next->cctx = 0;
		1439
		1440	if (expect_false (cctx_prev != cctx_current))
1403	{	1441	{
1404	prev__cctx->top_env = PL_top_env;	1442	cctx_prev->top_env = PL_top_env;
1405	PL_top_env = next->cctx->top_env;	1443	PL_top_env = cctx_current->top_env;
1406	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);	1444	coro_transfer (&cctx_prev->cctx, &cctx_current->cctx);
1407	}	1445	}
1408		1446
1409	transfer_tail (aTHX);	1447	transfer_tail (aTHX);
1410	}	1448	}
1411	}	1449	}
…		…
1433	--coro_nready;	1471	--coro_nready;
1434	}	1472	}
1435	else	1473	else
1436	coro->flags \|= CF_READY; /* make sure it is NOT put into the readyqueue */	1474	coro->flags \|= CF_READY; /* make sure it is NOT put into the readyqueue */
1437		1475
1438	if (coro->mainstack && coro->mainstack != main_mainstack)	1476	if (coro->mainstack
		1477	&& coro->mainstack != main_mainstack
		1478	&& !PL_dirty)
1439	{	1479	{
1440	struct coro temp;	1480	struct coro temp;
1441		1481
1442	assert (("FATAL: tried to destroy currently running coroutine (please report)", !(coro->flags & CF_RUNNING)));	1482	assert (("FATAL: tried to destroy currently running coroutine (please report)", !(coro->flags & CF_RUNNING)));
1443		1483
1444	save_perl (aTHX_ &temp);	1484	save_perl (aTHX_ &temp);
1445	load_perl (aTHX_ coro);	1485	load_perl (aTHX_ coro);
1446		1486
1447	coro_destruct (aTHX_ coro);	1487	coro_destruct_perl (aTHX_ coro);
1448		1488
1449	load_perl (aTHX_ &temp);	1489	load_perl (aTHX_ &temp);
1450		1490
1451	coro->slot = 0;	1491	coro->slot = 0;
1452	}	1492	}
…		…
1566	{	1606	{
1567	struct coro *coro;	1607	struct coro *coro;
1568	SV *sv_hook;	1608	SV *sv_hook;
1569	void (*xs_hook)(void);	1609	void (*xs_hook)(void);
1570		1610
1571	if (SvROK (coro_sv))
1572	coro_sv = SvRV (coro_sv);
1573
1574	coro = SvSTATE (coro_sv);	1611	coro = SvSTATE (coro_sv);
1575		1612
1576	if (coro->flags & CF_READY)	1613	if (coro->flags & CF_READY)
1577	return 0;	1614	return 0;
1578		1615
…		…
1609	api_is_ready (pTHX_ SV *coro_sv)	1646	api_is_ready (pTHX_ SV *coro_sv)
1610	{	1647	{
1611	return !!(SvSTATE (coro_sv)->flags & CF_READY);	1648	return !!(SvSTATE (coro_sv)->flags & CF_READY);
1612	}	1649	}
1613		1650
		1651	/* expects to own a reference to next->hv */
1614	INLINE void	1652	INLINE void
1615	prepare_schedule (pTHX_ struct coro_transfer_args *ta)	1653	prepare_schedule_to (pTHX_ struct coro_transfer_args ta, struct coro next)
1616	{	1654	{
1617	SV prev_sv, next_sv;
1618
1619	for (;;)
1620	{
1621	next_sv = coro_deq (aTHX);
1622
1623	/* nothing to schedule: call the idle handler */
1624	if (expect_false (!next_sv))
1625	{
1626	dSP;
1627
1628	ENTER;
1629	SAVETMPS;
1630
1631	PUSHMARK (SP);
1632	PUTBACK;
1633	call_sv (get_sv ("Coro::idle", FALSE), G_VOID \| G_DISCARD);
1634
1635	FREETMPS;
1636	LEAVE;
1637	continue;
1638	}
1639
1640	ta->next = SvSTATE_hv (next_sv);
1641
1642	/* cannot transfer to destroyed coros, skip and look for next */
1643	if (expect_false (ta->next->flags & CF_DESTROYED))
1644	{
1645	SvREFCNT_dec (next_sv);
1646	/* coro_nready has already been taken care of by destroy */
1647	continue;
1648	}
1649
1650	--coro_nready;
1651	break;
1652	}
1653
1654	/* free this only after the transfer */
1655	prev_sv = SvRV (coro_current);	1655	SV *prev_sv = SvRV (coro_current);
		1656
1656	ta->prev = SvSTATE_hv (prev_sv);	1657	ta->prev = SvSTATE_hv (prev_sv);
		1658	ta->next = next;
		1659
1657	TRANSFER_CHECK (*ta);	1660	TRANSFER_CHECK (*ta);
1658	assert (("FATAL: next coroutine isn't marked as ready in Coro (please report)", ta->next->flags & CF_READY));	1661
1659	ta->next->flags &= ~CF_READY;
1660	SvRV_set (coro_current, next_sv);	1662	SvRV_set (coro_current, (SV *)next->hv);
1661		1663
1662	free_coro_mortal (aTHX);	1664	free_coro_mortal (aTHX);
1663	coro_mortal = prev_sv;	1665	coro_mortal = prev_sv;
1664	}	1666	}
1665		1667
		1668	static void
		1669	prepare_schedule (pTHX_ struct coro_transfer_args *ta)
		1670	{
		1671	for (;;)
		1672	{
		1673	SV *next_sv = coro_deq (aTHX);
		1674
		1675	if (expect_true (next_sv))
		1676	{
		1677	struct coro *next = SvSTATE_hv (next_sv);
		1678
		1679	/* cannot transfer to destroyed coros, skip and look for next */
		1680	if (expect_false (next->flags & CF_DESTROYED))
		1681	SvREFCNT_dec (next_sv); /* coro_nready has already been taken care of by destroy */
		1682	else
		1683	{
		1684	next->flags &= ~CF_READY;
		1685	--coro_nready;
		1686
		1687	prepare_schedule_to (aTHX_ ta, next);
		1688	break;
		1689	}
		1690	}
		1691	else
		1692	{
		1693	/* nothing to schedule: call the idle handler */
		1694	if (SvROK (sv_idle)
		1695	&& SvOBJECT (SvRV (sv_idle)))
		1696	{
		1697	++coro_nready; /* hack so that api_ready doesn't invoke ready hook */
		1698	api_ready (aTHX_ SvRV (sv_idle));
		1699	--coro_nready;
		1700	}
		1701	else
		1702	{
		1703	dSP;
		1704
		1705	ENTER;
		1706	SAVETMPS;
		1707
		1708	PUSHMARK (SP);
		1709	PUTBACK;
		1710	call_sv (sv_idle, G_VOID \| G_DISCARD);
		1711
		1712	FREETMPS;
		1713	LEAVE;
		1714	}
		1715	}
		1716	}
		1717	}
		1718
1666	INLINE void	1719	INLINE void
1667	prepare_cede (pTHX_ struct coro_transfer_args *ta)	1720	prepare_cede (pTHX_ struct coro_transfer_args *ta)
1668	{	1721	{
1669	api_ready (aTHX_ coro_current);	1722	api_ready (aTHX_ coro_current);
1670	prepare_schedule (aTHX_ ta);	1723	prepare_schedule (aTHX_ ta);
…		…
1689	{	1742	{
1690	struct coro_transfer_args ta;	1743	struct coro_transfer_args ta;
1691		1744
1692	prepare_schedule (aTHX_ &ta);	1745	prepare_schedule (aTHX_ &ta);
1693	TRANSFER (ta, 1);	1746	TRANSFER (ta, 1);
		1747	}
		1748
		1749	static void
		1750	api_schedule_to (pTHX_ SV *coro_sv)
		1751	{
		1752	struct coro_transfer_args ta;
		1753	struct coro *next = SvSTATE (coro_sv);
		1754
		1755	SvREFCNT_inc_NN (coro_sv);
		1756	prepare_schedule_to (aTHX_ &ta, next);
1694	}	1757	}
1695		1758
1696	static int	1759	static int
1697	api_cede (pTHX)	1760	api_cede (pTHX)
1698	{	1761	{
…		…
1727	static void	1790	static void
1728	api_trace (pTHX_ SV *coro_sv, int flags)	1791	api_trace (pTHX_ SV *coro_sv, int flags)
1729	{	1792	{
1730	struct coro *coro = SvSTATE (coro_sv);	1793	struct coro *coro = SvSTATE (coro_sv);
1731		1794
		1795	if (coro->flags & CF_RUNNING)
		1796	croak ("cannot enable tracing on a running coroutine, caught");
		1797
1732	if (flags & CC_TRACE)	1798	if (flags & CC_TRACE)
1733	{	1799	{
1734	if (!coro->cctx)	1800	if (!coro->cctx)
1735	coro->cctx = cctx_new_run ();	1801	coro->cctx = cctx_new_run ();
1736	else if (!(coro->cctx->flags & CC_TRACE))	1802	else if (!(coro->cctx->flags & CC_TRACE))
1737	croak ("cannot enable tracing on coroutine with custom stack,");	1803	croak ("cannot enable tracing on coroutine with custom stack, caught");
1738		1804
1739	coro->cctx->flags \|= CC_NOREUSE \| (flags & (CC_TRACE \| CC_TRACE_ALL));	1805	coro->cctx->flags \|= CC_NOREUSE \| (flags & (CC_TRACE \| CC_TRACE_ALL));
1740	}	1806	}
1741	else if (coro->cctx && coro->cctx->flags & CC_TRACE)	1807	else if (coro->cctx && coro->cctx->flags & CC_TRACE)
1742	{	1808	{
…		…
1747	else	1813	else
1748	coro->slot->runops = RUNOPS_DEFAULT;	1814	coro->slot->runops = RUNOPS_DEFAULT;
1749	}	1815	}
1750	}	1816	}
1751		1817
		1818	static void
		1819	coro_call_on_destroy (pTHX_ struct coro *coro)
		1820	{
		1821	SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0);
		1822	SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0);
		1823
		1824	if (on_destroyp)
		1825	{
		1826	AV on_destroy = (AV )SvRV (*on_destroyp);
		1827
		1828	while (AvFILLp (on_destroy) >= 0)
		1829	{
		1830	dSP; /* don't disturb outer sp */
		1831	SV *cb = av_pop (on_destroy);
		1832
		1833	PUSHMARK (SP);
		1834
		1835	if (statusp)
		1836	{
		1837	int i;
		1838	AV status = (AV )SvRV (*statusp);
		1839	EXTEND (SP, AvFILLp (status) + 1);
		1840
		1841	for (i = 0; i <= AvFILLp (status); ++i)
		1842	PUSHs (AvARRAY (status)[i]);
		1843	}
		1844
		1845	PUTBACK;
		1846	call_sv (sv_2mortal (cb), G_VOID \| G_DISCARD);
		1847	}
		1848	}
		1849	}
		1850
		1851	static void
		1852	slf_init_terminate (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)
		1853	{
		1854	int i;
		1855	HV hv = (HV )SvRV (coro_current);
		1856	AV *av = newAV ();
		1857
		1858	av_extend (av, items - 1);
		1859	for (i = 0; i < items; ++i)
		1860	av_push (av, SvREFCNT_inc_NN (arg [i]));
		1861
		1862	hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0);
		1863
		1864	av_push (av_destroy, (SV )newRV_inc ((SV )hv)); /* RVinc for perl */
		1865	api_ready (aTHX_ sv_manager);
		1866
		1867	frame->prepare = prepare_schedule;
		1868	frame->check = slf_check_repeat;
		1869	}
		1870
1752	/*****************************************************************************/	1871	/*****************************************************************************/
1753	/* async pool handler */	1872	/* async pool handler */
1754		1873
1755	static int	1874	static int
1756	slf_check_pool_handler (pTHX_ struct CoroSLF *frame)	1875	slf_check_pool_handler (pTHX_ struct CoroSLF *frame)
…		…
1760		1879
1761	if (!coro->invoke_cb)	1880	if (!coro->invoke_cb)
1762	return 1; /* loop till we have invoke */	1881	return 1; /* loop till we have invoke */
1763	else	1882	else
1764	{	1883	{
1765	int i, len;
1766
1767	hv_store (hv, "desc", sizeof ("desc") - 1,	1884	hv_store (hv, "desc", sizeof ("desc") - 1,
1768	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);	1885	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
1769		1886
1770	coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv);	1887	coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv);
1771
1772	len = av_len (coro->invoke_av);
1773		1888
1774	{	1889	{
1775	dSP;	1890	dSP;
1776	XPUSHs (sv_2mortal (coro->invoke_cb)); coro->invoke_cb = 0;	1891	XPUSHs (sv_2mortal (coro->invoke_cb)); coro->invoke_cb = 0;
1777	PUTBACK;	1892	PUTBACK;
…		…
1841	SV data = (SV )GENSUB_ARG;	1956	SV data = (SV )GENSUB_ARG;
1842		1957
1843	if (SvTYPE (SvRV (data)) != SVt_PVAV)	1958	if (SvTYPE (SvRV (data)) != SVt_PVAV)
1844	{	1959	{
1845	/* first call, set args */	1960	/* first call, set args */
1846	int i;
1847	AV *av = newAV ();	1961	AV *av = newAV ();
1848	SV *coro = SvRV (data);	1962	SV *coro = SvRV (data);
1849		1963
1850	SvRV_set (data, (SV *)av);	1964	SvRV_set (data, (SV *)av);
1851	api_ready (aTHX_ coro);	1965	api_ready (aTHX_ coro);
…		…
1992	static void	2106	static void
1993	slf_init_schedule (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)	2107	slf_init_schedule (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)
1994	{	2108	{
1995	frame->prepare = prepare_schedule;	2109	frame->prepare = prepare_schedule;
1996	frame->check = slf_check_nop;	2110	frame->check = slf_check_nop;
		2111	}
		2112
		2113	static void
		2114	slf_prepare_schedule_to (pTHX_ struct coro_transfer_args *ta)
		2115	{
		2116	struct coro next = (struct coro )slf_frame.data;
		2117
		2118	SvREFCNT_inc_NN (next->hv);
		2119	prepare_schedule_to (aTHX_ ta, next);
		2120	}
		2121
		2122	static void
		2123	slf_init_schedule_to (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)
		2124	{
		2125	if (!items)
		2126	croak ("Coro::schedule_to expects a coroutine argument, caught");
		2127
		2128	frame->data = (void *)SvSTATE (arg [0]);
		2129	frame->prepare = slf_prepare_schedule_to;
		2130	frame->check = slf_check_nop;
		2131	}
		2132
		2133	static void
		2134	slf_init_cede_to (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)
		2135	{
		2136	api_ready (aTHX_ SvRV (coro_current));
		2137
		2138	slf_init_schedule_to (aTHX_ frame, cv, arg, items);
1997	}	2139	}
1998		2140
1999	static void	2141	static void
2000	slf_init_cede (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)	2142	slf_init_cede (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)
2001	{	2143	{
…		…
2147	}	2289	}
2148	else	2290	else
2149	slf_argc = 0;	2291	slf_argc = 0;
2150		2292
2151	PL_op->op_ppaddr = pp_slf;	2293	PL_op->op_ppaddr = pp_slf;
2152	PL_op->op_type = OP_CUSTOM; /* maybe we should leave it at entersub? */	2294	/PL_op->op_type = OP_CUSTOM; / we do behave like entersub still */
2153		2295
2154	PL_op = (OP *)&slf_restore;	2296	PL_op = (OP *)&slf_restore;
2155	}	2297	}
2156		2298
2157	/*****************************************************************************/	2299	/*****************************************************************************/
…		…
2240	SV **ary;	2382	SV **ary;
2241		2383
2242	/* unfortunately, building manually saves memory */	2384	/* unfortunately, building manually saves memory */
2243	Newx (ary, 2, SV *);	2385	Newx (ary, 2, SV *);
2244	AvALLOC (av) = ary;	2386	AvALLOC (av) = ary;
		2387	#if PERL_VERSION_ATLEAST (5,10,0)
2245	/AvARRAY (av) = ary;/	2388	AvARRAY (av) = ary;
		2389	#else
2246	SvPVX ((SV )av) = (char )ary; /* 5.8.8 needs this syntax instead of AvARRAY = ary */	2390	/* 5.8.8 needs this syntax instead of AvARRAY = ary, yet */
		2391	/* -DDEBUGGING flags this as a bug, despite it perfectly working */
		2392	SvPVX ((SV )av) = (char )ary;
		2393	#endif
2247	AvMAX (av) = 1;	2394	AvMAX (av) = 1;
2248	AvFILLp (av) = 0;	2395	AvFILLp (av) = 0;
2249	ary [0] = newSViv (count);	2396	ary [0] = newSViv (count);
2250		2397
2251	return newRV_noinc ((SV *)av);	2398	return newRV_noinc ((SV *)av);
…		…
2621	XSRETURN_EMPTY;	2768	XSRETURN_EMPTY;
2622	}	2769	}
2623		2770
2624	/*****************************************************************************/	2771	/*****************************************************************************/
2625		2772
		2773	#if CORO_CLONE
		2774	# include "clone.c"
		2775	#endif
		2776
2626	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	2777	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
2627		2778
2628	PROTOTYPES: DISABLE	2779	PROTOTYPES: DISABLE
2629		2780
2630	BOOT:	2781	BOOT:
…		…
2634	coro_thx = PERL_GET_CONTEXT;	2785	coro_thx = PERL_GET_CONTEXT;
2635	# endif	2786	# endif
2636	#endif	2787	#endif
2637	BOOT_PAGESIZE;	2788	BOOT_PAGESIZE;
2638		2789
		2790	cctx_current = cctx_new_empty ();
		2791
2639	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);	2792	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
2640	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);	2793	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
2641		2794
2642	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;	2795	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;
2643	orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;	2796	orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;
…		…
2662		2815
2663	{	2816	{
2664	SV *slf = sv_2mortal (newSViv (PTR2IV (pp_slf)));	2817	SV *slf = sv_2mortal (newSViv (PTR2IV (pp_slf)));
2665		2818
2666	if (!PL_custom_op_names) PL_custom_op_names = newHV ();	2819	if (!PL_custom_op_names) PL_custom_op_names = newHV ();
2667	hv_store_ent (PL_custom_op_names, slf,	2820	hv_store_ent (PL_custom_op_names, slf, newSVpv ("coro_slf", 0), 0);
2668	newSVpv ("coro_slf", 0), 0);
2669		2821
2670	if (!PL_custom_op_descs) PL_custom_op_descs = newHV ();	2822	if (!PL_custom_op_descs) PL_custom_op_descs = newHV ();
2671	hv_store_ent (PL_custom_op_descs, slf,	2823	hv_store_ent (PL_custom_op_descs, slf, newSVpv ("coro schedule like function", 0), 0);
2672	newSVpv ("coro schedule like function", 0), 0);
2673	}	2824	}
2674		2825
2675	coroapi.ver = CORO_API_VERSION;	2826	coroapi.ver = CORO_API_VERSION;
2676	coroapi.rev = CORO_API_REVISION;	2827	coroapi.rev = CORO_API_REVISION;
2677		2828
…		…
2770	void	2921	void
2771	_exit (int code)	2922	_exit (int code)
2772	PROTOTYPE: $	2923	PROTOTYPE: $
2773	CODE:	2924	CODE:
2774	_exit (code);	2925	_exit (code);
		2926
		2927	SV *
		2928	clone (Coro::State coro)
		2929	CODE:
		2930	{
		2931	#if CORO_CLONE
		2932	struct coro *ncoro = coro_clone (aTHX_ coro);
		2933	MAGIC *mg;
		2934	/* TODO: too much duplication */
		2935	ncoro->hv = newHV ();
		2936	mg = sv_magicext ((SV )ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char )ncoro, 0);
		2937	mg->mg_flags \|= MGf_DUP;
		2938	RETVAL = sv_bless (newRV_noinc ((SV *)ncoro->hv), SvSTASH (coro->hv));
		2939	#else
		2940	croak ("Coro::State->clone has not been configured into this installation of Coro, realised");
		2941	#endif
		2942	}
		2943	OUTPUT:
		2944	RETVAL
2775		2945
2776	int	2946	int
2777	cctx_stacksize (int new_stacksize = 0)	2947	cctx_stacksize (int new_stacksize = 0)
2778	PROTOTYPE: ;$	2948	PROTOTYPE: ;$
2779	CODE:	2949	CODE:
…		…
2900		3070
2901	SV *	3071	SV *
2902	has_cctx (Coro::State coro)	3072	has_cctx (Coro::State coro)
2903	PROTOTYPE: $	3073	PROTOTYPE: $
2904	CODE:	3074	CODE:
2905	RETVAL = boolSV (!!coro->cctx);	3075	/* maybe manage the running flag differently */
		3076	RETVAL = boolSV (!!coro->cctx \|\| (coro->flags & CF_RUNNING));
2906	OUTPUT:	3077	OUTPUT:
2907	RETVAL	3078	RETVAL
2908		3079
2909	int	3080	int
2910	is_traced (Coro::State coro)	3081	is_traced (Coro::State coro)
…		…
2930		3101
2931	void	3102	void
2932	force_cctx ()	3103	force_cctx ()
2933	PROTOTYPE:	3104	PROTOTYPE:
2934	CODE:	3105	CODE:
2935	SvSTATE_current->cctx->idle_sp = 0;	3106	cctx_current->idle_sp = 0;
2936		3107
2937	void	3108	void
2938	swap_defsv (Coro::State self)	3109	swap_defsv (Coro::State self)
2939	PROTOTYPE: $	3110	PROTOTYPE: $
2940	ALIAS:	3111	ALIAS:
…		…
2955		3126
2956	BOOT:	3127	BOOT:
2957	{	3128	{
2958	int i;	3129	int i;
2959		3130
2960	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
2961	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);	3131	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
2962	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);	3132	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
2963	cv_coro_run = get_cv ( "Coro::_terminate", GV_ADD);	3133	cv_coro_run = get_cv ( "Coro::_coro_run" , GV_ADD);
2964	cv_coro_terminate = get_cv ( "Coro::terminate", GV_ADD);	3134	cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD);
2965	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE);	3135	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);
2966	SvREADONLY_on (coro_current);	3136	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
		3137	av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE);
		3138	sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE);
		3139	sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE);
2967		3140
2968	sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle);	3141	sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle);
2969	sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro);	3142	sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro);
2970	cv_pool_handler = get_cv ("Coro::_pool_handler", 0); SvREADONLY_on (cv_pool_handler);	3143	cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler);
2971	cv_coro_new = get_cv ("Coro::new", 0); SvREADONLY_on (cv_coro_new);	3144	cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new);
2972		3145
2973	coro_stash = gv_stashpv ("Coro", TRUE);	3146	coro_stash = gv_stashpv ("Coro", TRUE);
2974		3147
2975	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	3148	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
2976	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	3149	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
…		…
2984		3157
2985	{	3158	{
2986	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);	3159	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);
2987		3160
2988	coroapi.schedule = api_schedule;	3161	coroapi.schedule = api_schedule;
		3162	coroapi.schedule_to = api_schedule_to;
2989	coroapi.cede = api_cede;	3163	coroapi.cede = api_cede;
2990	coroapi.cede_notself = api_cede_notself;	3164	coroapi.cede_notself = api_cede_notself;
2991	coroapi.ready = api_ready;	3165	coroapi.ready = api_ready;
2992	coroapi.is_ready = api_is_ready;	3166	coroapi.is_ready = api_is_ready;
2993	coroapi.nready = coro_nready;	3167	coroapi.nready = coro_nready;
…		…
2998	SvREADONLY_on (sv);	3172	SvREADONLY_on (sv);
2999	}	3173	}
3000	}	3174	}
3001		3175
3002	void	3176	void
		3177	terminate (...)
		3178	CODE:
		3179	CORO_EXECUTE_SLF_XS (slf_init_terminate);
		3180
		3181	void
3003	schedule (...)	3182	schedule (...)
3004	CODE:	3183	CODE:
3005	CORO_EXECUTE_SLF_XS (slf_init_schedule);	3184	CORO_EXECUTE_SLF_XS (slf_init_schedule);
		3185
		3186	void
		3187	schedule_to (...)
		3188	CODE:
		3189	CORO_EXECUTE_SLF_XS (slf_init_schedule_to);
		3190
		3191	void
		3192	cede_to (...)
		3193	CODE:
		3194	CORO_EXECUTE_SLF_XS (slf_init_cede_to);
3006		3195
3007	void	3196	void
3008	cede (...)	3197	cede (...)
3009	CODE:	3198	CODE:
3010	CORO_EXECUTE_SLF_XS (slf_init_cede);	3199	CORO_EXECUTE_SLF_XS (slf_init_cede);
3011		3200
3012	void	3201	void
3013	cede_notself (...)	3202	cede_notself (...)
3014	CODE:	3203	CODE:
3015	CORO_EXECUTE_SLF_XS (slf_init_cede_notself);	3204	CORO_EXECUTE_SLF_XS (slf_init_cede_notself);
		3205
		3206	void
		3207	_cancel (Coro::State self)
		3208	CODE:
		3209	coro_state_destroy (aTHX_ self);
		3210	coro_call_on_destroy (aTHX_ self);
3016		3211
3017	void	3212	void
3018	_set_current (SV *current)	3213	_set_current (SV *current)
3019	PROTOTYPE: $	3214	PROTOTYPE: $
3020	CODE:	3215	CODE:
…		…
3091	PUSHMARK (SP);	3286	PUSHMARK (SP);
3092	EXTEND (SP, 2);	3287	EXTEND (SP, 2);
3093	PUSHs (sv_Coro);	3288	PUSHs (sv_Coro);
3094	PUSHs ((SV *)cv_pool_handler);	3289	PUSHs ((SV *)cv_pool_handler);
3095	PUTBACK;	3290	PUTBACK;
3096	call_sv (cv_coro_new, G_SCALAR);	3291	call_sv ((SV *)cv_coro_state_new, G_SCALAR);
3097	SPAGAIN;	3292	SPAGAIN;
3098		3293
3099	hv = (HV *)SvREFCNT_inc_NN (SvRV (POPs));	3294	hv = (HV *)SvREFCNT_inc_NN (SvRV (POPs));
3100	}	3295	}
3101		3296
…		…
3106	assert (!coro->invoke_av);	3301	assert (!coro->invoke_av);
3107	coro->invoke_cb = SvREFCNT_inc (cb);	3302	coro->invoke_cb = SvREFCNT_inc (cb);
3108	coro->invoke_av = av;	3303	coro->invoke_av = av;
3109	}	3304	}
3110		3305
3111	api_ready ((SV *)hv);	3306	api_ready (aTHX_ (SV *)hv);
3112		3307
3113	if (GIMME_V != G_VOID)	3308	if (GIMME_V != G_VOID)
3114	XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv)));	3309	XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv)));
3115	else	3310	else
3116	SvREFCNT_dec (hv);	3311	SvREFCNT_dec (hv);

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+Removed lines
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Comparing Coro/Coro/State.xs (file contents): Revision 1.312 by root, Thu Nov 20 03:10:30 2008 UTC vs. Revision 1.335 by root, Thu Dec 4 04:31:41 2008 UTC

Diff Legend

Comparing Coro/Coro/State.xs (file contents):
Revision 1.312 by root, Thu Nov 20 03:10:30 2008 UTC vs.
Revision 1.335 by root, Thu Dec 4 04:31:41 2008 UTC