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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.314 by root, Thu Nov 20 03:24:39 2008 UTC vs.
Revision 1.333 by root, Thu Nov 27 12:39:00 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
…		…
170	static AV main_mainstack; / used to differentiate between $main and others */	173	static AV main_mainstack; / used to differentiate between $main and others */
171	static JMPENV *main_top_env;	174	static JMPENV *main_top_env;
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
		178	static AV av_destroy; / destruction queue */
		179	static SV sv_manager; / the manager coro */
		180	static SV sv_idle; / $Coro::idle */
		181
175	static GV irsgv; / $/ */	182	static GV irsgv; / $/ */
176	static GV stdoutgv; / STDOUT /	183	static GV stdoutgv; / STDOUT /
177	static SV *rv_diehook;	184	static SV *rv_diehook;
178	static SV *rv_warnhook;	185	static SV *rv_warnhook;
179	static HV hv_sig; / %SIG */	186	static HV hv_sig; / %SIG */
180		187
181	/* async_pool helper stuff */	188	/* async_pool helper stuff */
182	static SV *sv_pool_rss;	189	static SV *sv_pool_rss;
183	static SV *sv_pool_size;	190	static SV *sv_pool_size;
184	static SV *sv_async_pool_idle;	191	static SV sv_async_pool_idle; / description string */
185	static AV *av_async_pool;	192	static AV av_async_pool; / idle pool */
186	static SV *sv_Coro;	193	static SV sv_Coro; / class string */
187	static CV *cv_pool_handler;	194	static CV *cv_pool_handler;
188	static CV *cv_coro_new;	195	static CV *cv_coro_state_new;
189		196
190	/* Coro::AnyEvent */	197	/* Coro::AnyEvent */
191	static SV *sv_activity;	198	static SV *sv_activity;
192		199
193	static struct coro_cctx *cctx_first;	200	static struct coro_cctx *cctx_first;
…		…
222	int valgrind_id;	229	int valgrind_id;
223	#endif	230	#endif
224	unsigned char flags;	231	unsigned char flags;
225	} coro_cctx;	232	} coro_cctx;
226		233
		234	coro_cctx cctx_current; / the currently running cctx */
		235
		236	/*****************************************************************************/
		237
227	enum {	238	enum {
228	CF_RUNNING = 0x0001, /* coroutine is running */	239	CF_RUNNING = 0x0001, /* coroutine is running */
229	CF_READY = 0x0002, /* coroutine is ready */	240	CF_READY = 0x0002, /* coroutine is ready */
230	CF_NEW = 0x0004, /* has never been switched to */	241	CF_NEW = 0x0004, /* has never been switched to */
231	CF_DESTROYED = 0x0008, /* coroutine data has been freed */	242	CF_DESTROYED = 0x0008, /* coroutine data has been freed */
…		…
236	{	247	{
237	SV *defsv;	248	SV *defsv;
238	AV *defav;	249	AV *defav;
239	SV *errsv;	250	SV *errsv;
240	SV *irsgv;	251	SV *irsgv;
		252	HV *hinthv;
241	#define VAR(name,type) type name;	253	#define VAR(name,type) type name;
242	# include "state.h"	254	# include "state.h"
243	#undef VAR	255	#undef VAR
244	} perl_slots;	256	} perl_slots;
245		257
…		…
343	HV *st;	355	HV *st;
344	GV *gvp;	356	GV *gvp;
345	return sv_2cv (sv, &st, &gvp, 0);	357	return sv_2cv (sv, &st, &gvp, 0);
346	}	358	}
347		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
348	static AV *	412	static AV *
349	coro_clone_padlist (pTHX_ CV *cv)	413	coro_derive_padlist (pTHX_ CV *cv)
350	{	414	{
351	AV *padlist = CvPADLIST (cv);	415	AV *padlist = CvPADLIST (cv);
352	AV newpadlist, newpad;	416	AV newpadlist, newpad;
353		417
354	newpadlist = newAV ();	418	newpadlist = newAV ();
…		…
359	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);	423	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
360	#endif	424	#endif
361	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];	425	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
362	--AvFILLp (padlist);	426	--AvFILLp (padlist);
363		427
364	av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE)));	428	av_store (newpadlist, 0, SvREFCNT_inc_NN (AvARRAY (padlist)[0]));
365	av_store (newpadlist, 1, (SV *)newpad);	429	av_store (newpadlist, 1, (SV *)newpad);
366		430
367	return newpadlist;	431	return newpadlist;
368	}	432	}
369		433
370	static void	434	static void
371	free_padlist (pTHX_ AV *padlist)	435	free_padlist (pTHX_ AV *padlist)
372	{	436	{
373	/* may be during global destruction */	437	/* may be during global destruction */
374	if (SvREFCNT (padlist))	438	if (!IN_DESTRUCT)
375	{	439	{
376	I32 i = AvFILLp (padlist);	440	I32 i = AvFILLp (padlist);
377	while (i >= 0)	441
		442	while (i > 0) /* special-case index 0 */
378	{	443	{
379	SV **svp = av_fetch (padlist, i--, FALSE);	444	/* we try to be extra-careful here */
380	if (svp)	445	AV av = (AV )AvARRAY (padlist)[i--];
381	{	446	I32 j = AvFILLp (av);
382	SV *sv;	447
383	while (&PL_sv_undef != (sv = av_pop ((AV )svp)))	448	while (j >= 0)
		449	SvREFCNT_dec (AvARRAY (av)[j--]);
		450
		451	AvFILLp (av) = -1;
384	SvREFCNT_dec (sv);	452	SvREFCNT_dec (av);
385
386	SvREFCNT_dec (*svp);
387	}
388	}	453	}
389		454
		455	SvREFCNT_dec (AvARRAY (padlist)[0]);
		456
		457	AvFILLp (padlist) = -1;
390	SvREFCNT_dec ((SV*)padlist);	458	SvREFCNT_dec ((SV*)padlist);
391	}	459	}
392	}	460	}
393		461
394	static int	462	static int
…		…
403		471
404	SvREFCNT_dec (av); /* sv_magicext increased the refcount */	472	SvREFCNT_dec (av); /* sv_magicext increased the refcount */
405		473
406	return 0;	474	return 0;
407	}	475	}
408
409	#define CORO_MAGIC_type_cv 26
410	#define CORO_MAGIC_type_state PERL_MAGIC_ext
411		476
412	static MGVTBL coro_cv_vtbl = {	477	static MGVTBL coro_cv_vtbl = {
413	0, 0, 0, 0,	478	0, 0, 0, 0,
414	coro_cv_free	479	coro_cv_free
415	};	480	};
416
417	#define CORO_MAGIC_NN(sv, type) \
418	(expect_true (SvMAGIC (sv)->mg_type == type) \
419	? SvMAGIC (sv) \
420	: mg_find (sv, type))
421
422	#define CORO_MAGIC(sv, type) \
423	(expect_true (SvMAGIC (sv)) \
424	? CORO_MAGIC_NN (sv, type) \
425	: 0)
426
427	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
428	#define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state)
429
430	INLINE struct coro *
431	SvSTATE_ (pTHX_ SV *coro)
432	{
433	HV *stash;
434	MAGIC *mg;
435
436	if (SvROK (coro))
437	coro = SvRV (coro);
438
439	if (expect_false (SvTYPE (coro) != SVt_PVHV))
440	croak ("Coro::State object required");
441
442	stash = SvSTASH (coro);
443	if (expect_false (stash != coro_stash && stash != coro_state_stash))
444	{
445	/* very slow, but rare, check */
446	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
447	croak ("Coro::State object required");
448	}
449
450	mg = CORO_MAGIC_state (coro);
451	return (struct coro *)mg->mg_ptr;
452	}
453
454	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
455
456	/* faster than SvSTATE, but expects a coroutine hv */
457	#define SvSTATE_hv(hv) ((struct coro )CORO_MAGIC_NN ((SV )hv, CORO_MAGIC_type_state)->mg_ptr)
458	#define SvSTATE_current SvSTATE_hv (SvRV (coro_current))
459		481
460	/* the next two functions merely cache the padlists */	482	/* the next two functions merely cache the padlists */
461	static void	483	static void
462	get_padlist (pTHX_ CV *cv)	484	get_padlist (pTHX_ CV *cv)
463	{	485	{
…		…
474	CV *cp = Perl_cv_clone (aTHX_ cv);	496	CV *cp = Perl_cv_clone (aTHX_ cv);
475	CvPADLIST (cv) = CvPADLIST (cp);	497	CvPADLIST (cv) = CvPADLIST (cp);
476	CvPADLIST (cp) = 0;	498	CvPADLIST (cp) = 0;
477	SvREFCNT_dec (cp);	499	SvREFCNT_dec (cp);
478	#else	500	#else
479	CvPADLIST (cv) = coro_clone_padlist (aTHX_ cv);	501	CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv);
480	#endif	502	#endif
481	}	503	}
482	}	504	}
483		505
484	static void	506	static void
…		…
491	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);
492		514
493	av = (AV *)mg->mg_obj;	515	av = (AV *)mg->mg_obj;
494		516
495	if (expect_false (AvFILLp (av) >= AvMAX (av)))	517	if (expect_false (AvFILLp (av) >= AvMAX (av)))
496	av_extend (av, AvMAX (av) + 1);	518	av_extend (av, AvFILLp (av) + 1);
497		519
498	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);	520	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
499	}	521	}
500		522
501	/ load & save, init *****************************************************/	523	/ load & save, init *****************************************************/
…		…
506	perl_slots *slot = c->slot;	528	perl_slots *slot = c->slot;
507	c->slot = 0;	529	c->slot = 0;
508		530
509	PL_mainstack = c->mainstack;	531	PL_mainstack = c->mainstack;
510		532
511	GvSV (PL_defgv) = slot->defsv;	533	GvSV (PL_defgv) = slot->defsv;
512	GvAV (PL_defgv) = slot->defav;	534	GvAV (PL_defgv) = slot->defav;
513	GvSV (PL_errgv) = slot->errsv;	535	GvSV (PL_errgv) = slot->errsv;
514	GvSV (irsgv) = slot->irsgv;	536	GvSV (irsgv) = slot->irsgv;
		537	GvHV (PL_hintgv) = slot->hinthv;
515		538
516	#define VAR(name,type) PL_ ## name = slot->name;	539	#define VAR(name,type) PL_ ## name = slot->name;
517	# include "state.h"	540	# include "state.h"
518	#undef VAR	541	#undef VAR
519		542
…		…
605	c->mainstack = PL_mainstack;	628	c->mainstack = PL_mainstack;
606		629
607	{	630	{
608	perl_slots slot = c->slot = (perl_slots )(cxstack + cxstack_ix + 1);	631	perl_slots slot = c->slot = (perl_slots )(cxstack + cxstack_ix + 1);
609		632
610	slot->defav = GvAV (PL_defgv);	633	slot->defav = GvAV (PL_defgv);
611	slot->defsv = DEFSV;	634	slot->defsv = DEFSV;
612	slot->errsv = ERRSV;	635	slot->errsv = ERRSV;
613	slot->irsgv = GvSV (irsgv);	636	slot->irsgv = GvSV (irsgv);
		637	slot->hinthv = GvHV (PL_hintgv);
614		638
615	#define VAR(name,type) slot->name = PL_ ## name;	639	#define VAR(name,type) slot->name = PL_ ## name;
616	# include "state.h"	640	# include "state.h"
617	#undef VAR	641	#undef VAR
618	}	642	}
…		…
834	slf_check_nop (pTHX_ struct CoroSLF *frame)	858	slf_check_nop (pTHX_ struct CoroSLF *frame)
835	{	859	{
836	return 0;	860	return 0;
837	}	861	}
838		862
		863	static int
		864	slf_check_repeat (pTHX_ struct CoroSLF *frame)
		865	{
		866	return 1;
		867	}
		868
839	static UNOP coro_setup_op;	869	static UNOP coro_setup_op;
840		870
841	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 */
842	coro_setup (pTHX_ struct coro *coro)	872	coro_setup (pTHX_ struct coro *coro)
843	{	873	{
…		…
848		878
849	PL_runops = RUNOPS_DEFAULT;	879	PL_runops = RUNOPS_DEFAULT;
850	PL_curcop = &PL_compiling;	880	PL_curcop = &PL_compiling;
851	PL_in_eval = EVAL_NULL;	881	PL_in_eval = EVAL_NULL;
852	PL_comppad = 0;	882	PL_comppad = 0;
		883	PL_comppad_name = 0;
		884	PL_comppad_name_fill = 0;
		885	PL_comppad_name_floor = 0;
853	PL_curpm = 0;	886	PL_curpm = 0;
854	PL_curpad = 0;	887	PL_curpad = 0;
855	PL_localizing = 0;	888	PL_localizing = 0;
856	PL_dirty = 0;	889	PL_dirty = 0;
857	PL_restartop = 0;	890	PL_restartop = 0;
858	#if PERL_VERSION_ATLEAST (5,10,0)	891	#if PERL_VERSION_ATLEAST (5,10,0)
859	PL_parser = 0;	892	PL_parser = 0;
860	#endif	893	#endif
		894	PL_hints = 0;
861		895
862	/* recreate the die/warn hooks */	896	/* recreate the die/warn hooks */
863	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 );
864	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);
865		899
866	GvSV (PL_defgv) = newSV (0);	900	GvSV (PL_defgv) = newSV (0);
867	GvAV (PL_defgv) = coro->args; coro->args = 0;	901	GvAV (PL_defgv) = coro->args; coro->args = 0;
868	GvSV (PL_errgv) = newSV (0);	902	GvSV (PL_errgv) = newSV (0);
869	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;
870	PL_rs = newSVsv (GvSV (irsgv));	905	PL_rs = newSVsv (GvSV (irsgv));
871	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);	906	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);
872		907
873	{	908	{
874	dSP;	909	dSP;
…		…
892	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 */
893	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 */
894		929
895	/* 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 */
896	coro_setup_op.op_next = PL_op;	931	coro_setup_op.op_next = PL_op;
897	coro_setup_op.op_type = OP_CUSTOM;	932	coro_setup_op.op_type = OP_ENTERSUB;
898	coro_setup_op.op_ppaddr = pp_slf;	933	coro_setup_op.op_ppaddr = pp_slf;
899	/* 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 */
900		935
901	PL_op = (OP *)&coro_setup_op;	936	PL_op = (OP *)&coro_setup_op;
902		937
…		…
928	SvREFCNT_dec (GvAV (PL_defgv));	963	SvREFCNT_dec (GvAV (PL_defgv));
929	SvREFCNT_dec (GvSV (PL_errgv));	964	SvREFCNT_dec (GvSV (PL_errgv));
930	SvREFCNT_dec (PL_defoutgv);	965	SvREFCNT_dec (PL_defoutgv);
931	SvREFCNT_dec (PL_rs);	966	SvREFCNT_dec (PL_rs);
932	SvREFCNT_dec (GvSV (irsgv));	967	SvREFCNT_dec (GvSV (irsgv));
		968	SvREFCNT_dec (GvHV (PL_hintgv));
933		969
934	SvREFCNT_dec (PL_diehook);	970	SvREFCNT_dec (PL_diehook);
935	SvREFCNT_dec (PL_warnhook);	971	SvREFCNT_dec (PL_warnhook);
936		972
937	SvREFCNT_dec (coro->saved_deffh);	973	SvREFCNT_dec (coro->saved_deffh);
…		…
955	static int	991	static int
956	runops_trace (pTHX)	992	runops_trace (pTHX)
957	{	993	{
958	COP *oldcop = 0;	994	COP *oldcop = 0;
959	int oldcxix = -2;	995	int oldcxix = -2;
960	struct coro coro = SvSTATE_current; / trace cctx is tied to specific coro */
961	coro_cctx *cctx = coro->cctx;
962		996
963	while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))	997	while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))
964	{	998	{
965	PERL_ASYNC_CHECK ();	999	PERL_ASYNC_CHECK ();
966		1000
967	if (cctx->flags & CC_TRACE_ALL)	1001	if (cctx_current->flags & CC_TRACE_ALL)
968	{	1002	{
969	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)
970	{	1004	{
971	PERL_CONTEXT *cx = &cxstack[cxstack_ix];	1005	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
972	SV bot, top;	1006	SV bot, top;
973	AV av = newAV (); / return values */	1007	AV av = newAV (); / return values */
974	SV **cb;	1008	SV **cb;
…		…
1011		1045
1012	if (PL_curcop != &PL_compiling)	1046	if (PL_curcop != &PL_compiling)
1013	{	1047	{
1014	SV **cb;	1048	SV **cb;
1015		1049
1016	if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB)	1050	if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB)
1017	{	1051	{
1018	PERL_CONTEXT *cx = &cxstack[cxstack_ix];	1052	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
1019		1053
1020	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)	1054	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)
1021	{	1055	{
1022	runops_proc_t old_runops = PL_runops;
1023	dSP;	1056	dSP;
1024	GV *gv = CvGV (cx->blk_sub.cv);	1057	GV *gv = CvGV (cx->blk_sub.cv);
1025	SV *fullname = sv_2mortal (newSV (0));	1058	SV *fullname = sv_2mortal (newSV (0));
1026		1059
1027	if (isGV (gv))	1060	if (isGV (gv))
…		…
1045	}	1078	}
1046		1079
1047	oldcxix = cxstack_ix;	1080	oldcxix = cxstack_ix;
1048	}	1081	}
1049		1082
1050	if (cctx->flags & CC_TRACE_LINE)	1083	if (cctx_current->flags & CC_TRACE_LINE)
1051	{	1084	{
1052	dSP;	1085	dSP;
1053		1086
1054	PL_runops = RUNOPS_DEFAULT;	1087	PL_runops = RUNOPS_DEFAULT;
1055	ENTER;	1088	ENTER;
…		…
1074		1107
1075	TAINT_NOT;	1108	TAINT_NOT;
1076	return 0;	1109	return 0;
1077	}	1110	}
1078		1111
1079	static struct coro_cctx *cctx_ssl_cctx;
1080	static struct CoroSLF cctx_ssl_frame;	1112	static struct CoroSLF cctx_ssl_frame;
1081		1113
1082	static void	1114	static void
1083	slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta)	1115	slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta)
1084	{	1116	{
1085	ta->prev = (struct coro *)cctx_ssl_cctx;
1086	ta->next = 0;	1117	ta->prev = 0;
1087	}	1118	}
1088		1119
1089	static int	1120	static int
1090	slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame)	1121	slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame)
1091	{	1122	{
…		…
1094	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 */
1095	}	1126	}
1096		1127
1097	/* 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 */
1098	static void NOINLINE	1129	static void NOINLINE
1099	cctx_prepare (pTHX_ coro_cctx *cctx)	1130	cctx_prepare (pTHX)
1100	{	1131	{
1101	PL_top_env = &PL_start_env;	1132	PL_top_env = &PL_start_env;
1102		1133
1103	if (cctx->flags & CC_TRACE)	1134	if (cctx_current->flags & CC_TRACE)
1104	PL_runops = runops_trace;	1135	PL_runops = runops_trace;
1105		1136
1106	/* 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
1107	* that can lead to creation of a new cctx */	1138	* that can lead to creation of a new cctx */
1108	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)",
1109	slf_frame.prepare && PL_op->op_ppaddr == pp_slf));	1140	slf_frame.prepare && PL_op->op_ppaddr == pp_slf));
1110		1141
1111	/* 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 */
1112	cctx_ssl_cctx = cctx;
1113	cctx_ssl_frame = slf_frame;	1143	cctx_ssl_frame = slf_frame;
1114		1144
1115	slf_frame.prepare = slf_prepare_set_stacklevel;	1145	slf_frame.prepare = slf_prepare_set_stacklevel;
1116	slf_frame.check = slf_check_set_stacklevel;	1146	slf_frame.check = slf_check_set_stacklevel;
1117	}	1147	}
…		…
1140	/* normally we would need to skip the entersub here */	1170	/* normally we would need to skip the entersub here */
1141	/* 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 */
1142	/* PL_nop = PL_nop->op_next */	1172	/* PL_nop = PL_nop->op_next */
1143		1173
1144	/* inject a fake subroutine call to cctx_init */	1174	/* inject a fake subroutine call to cctx_init */
1145	cctx_prepare (aTHX_ (coro_cctx *)arg);	1175	cctx_prepare (aTHX);
1146		1176
1147	/* cctx_run is the alternative tail of transfer() */	1177	/* cctx_run is the alternative tail of transfer() */
1148	transfer_tail (aTHX);	1178	transfer_tail (aTHX);
1149		1179
1150	/* 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 */
…		…
1158	/*	1188	/*
1159	* 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
1160	* 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)
1161	* 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
1162	* bootstrap-time "top" top_env, as we cannot restore the "main"	1192	* bootstrap-time "top" top_env, as we cannot restore the "main"
1163	* 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.
1164	*/	1196	*/
1165	PL_top_env = main_top_env;	1197	PL_top_env = main_top_env;
1166	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 */
1167	}	1199	}
1168	}	1200	}
…		…
1245	cctx_destroy (coro_cctx *cctx)	1277	cctx_destroy (coro_cctx *cctx)
1246	{	1278	{
1247	if (!cctx)	1279	if (!cctx)
1248	return;	1280	return;
1249		1281
		1282	assert (cctx != cctx_current);//D temporary
		1283
1250	--cctx_count;	1284	--cctx_count;
1251	coro_destroy (&cctx->cctx);	1285	coro_destroy (&cctx->cctx);
1252		1286
1253	/* coro_transfer creates new, empty cctx's */	1287	/* coro_transfer creates new, empty cctx's */
1254	if (cctx->sptr)	1288	if (cctx->sptr)
…		…
1317	/* TODO: throwing up here is considered harmful */	1351	/* TODO: throwing up here is considered harmful */
1318		1352
1319	if (expect_true (prev != next))	1353	if (expect_true (prev != next))
1320	{	1354	{
1321	if (expect_false (!(prev->flags & (CF_RUNNING \| CF_NEW))))	1355	if (expect_false (!(prev->flags & (CF_RUNNING \| CF_NEW))))
1322	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,");
1323		1357
1324	if (expect_false (next->flags & CF_RUNNING))	1358	if (expect_false (next->flags & CF_RUNNING))
1325	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,");
1326		1360
1327	if (expect_false (next->flags & CF_DESTROYED))	1361	if (expect_false (next->flags & CF_DESTROYED))
…		…
1339	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)	1373	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)
1340	{	1374	{
1341	dSTACKLEVEL;	1375	dSTACKLEVEL;
1342		1376
1343	/* sometimes transfer is only called to set idle_sp */	1377	/* sometimes transfer is only called to set idle_sp */
1344	if (expect_false (!next))	1378	if (expect_false (!prev))
1345	{	1379	{
1346	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1380	cctx_current->idle_sp = STACKLEVEL;
1347	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 */
1348	}	1382	}
1349	else if (expect_true (prev != next))	1383	else if (expect_true (prev != next))
1350	{	1384	{
1351	coro_cctx *prev__cctx;	1385	coro_cctx *cctx_prev;
1352		1386
1353	if (expect_false (prev->flags & CF_NEW))	1387	if (expect_false (prev->flags & CF_NEW))
1354	{	1388	{
1355	/* create a new empty/source context */	1389	/* create a new empty/source context */
1356	prev->cctx = cctx_new_empty ();
1357	prev->flags &= ~CF_NEW;	1390	prev->flags &= ~CF_NEW;
1358	prev->flags \|= CF_RUNNING;	1391	prev->flags \|= CF_RUNNING;
1359	}	1392	}
1360		1393
1361	prev->flags &= ~CF_RUNNING;	1394	prev->flags &= ~CF_RUNNING;
…		…
1372	coro_setup (aTHX_ next);	1405	coro_setup (aTHX_ next);
1373	}	1406	}
1374	else	1407	else
1375	load_perl (aTHX_ next);	1408	load_perl (aTHX_ next);
1376		1409
1377	prev__cctx = prev->cctx;	1410	assert (!prev->cctx);//D temporary
1378		1411
1379	/* possibly untie and reuse the cctx */	1412	/* possibly untie and reuse the cctx */
1380	if (expect_true (	1413	if (expect_true (
1381	prev__cctx->idle_sp == STACKLEVEL	1414	cctx_current->idle_sp == STACKLEVEL
1382	&& !(prev__cctx->flags & CC_TRACE)	1415	&& !(cctx_current->flags & CC_TRACE)
1383	&& !force_cctx	1416	&& !force_cctx
1384	))	1417	))
1385	{	1418	{
1386	/* 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 */
1387	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));
1388		1421
1389	prev->cctx = 0;
1390
1391	/* 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. */
1392	/* 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 */
1393	if (expect_false (CCTX_EXPIRED (prev__cctx)))	1424	if (expect_false (CCTX_EXPIRED (cctx_current)))
1394	if (!next->cctx)	1425	if (expect_true (!next->cctx))
1395	next->cctx = cctx_get (aTHX);	1426	next->cctx = cctx_get (aTHX);
1396		1427
1397	cctx_put (prev__cctx);	1428	cctx_put (cctx_current);
1398	}	1429	}
		1430	else
		1431	prev->cctx = cctx_current;
1399		1432
1400	++next->usecount;	1433	++next->usecount;
1401		1434
1402	if (expect_true (!next->cctx))	1435	cctx_prev = cctx_current;
1403	next->cctx = cctx_get (aTHX);	1436	cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX);
1404		1437
1405	if (expect_false (prev__cctx != next->cctx))	1438	next->cctx = 0;
		1439
		1440	if (expect_false (cctx_prev != cctx_current))
1406	{	1441	{
1407	prev__cctx->top_env = PL_top_env;	1442	cctx_prev->top_env = PL_top_env;
1408	PL_top_env = next->cctx->top_env;	1443	PL_top_env = cctx_current->top_env;
1409	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);	1444	coro_transfer (&cctx_prev->cctx, &cctx_current->cctx);
1410	}	1445	}
1411		1446
1412	transfer_tail (aTHX);	1447	transfer_tail (aTHX);
1413	}	1448	}
1414	}	1449	}
…		…
1569	{	1604	{
1570	struct coro *coro;	1605	struct coro *coro;
1571	SV *sv_hook;	1606	SV *sv_hook;
1572	void (*xs_hook)(void);	1607	void (*xs_hook)(void);
1573		1608
1574	if (SvROK (coro_sv))
1575	coro_sv = SvRV (coro_sv);
1576
1577	coro = SvSTATE (coro_sv);	1609	coro = SvSTATE (coro_sv);
1578		1610
1579	if (coro->flags & CF_READY)	1611	if (coro->flags & CF_READY)
1580	return 0;	1612	return 0;
1581		1613
…		…
1612	api_is_ready (pTHX_ SV *coro_sv)	1644	api_is_ready (pTHX_ SV *coro_sv)
1613	{	1645	{
1614	return !!(SvSTATE (coro_sv)->flags & CF_READY);	1646	return !!(SvSTATE (coro_sv)->flags & CF_READY);
1615	}	1647	}
1616		1648
		1649	/* expects to own a reference to next->hv */
1617	INLINE void	1650	INLINE void
1618	prepare_schedule (pTHX_ struct coro_transfer_args *ta)	1651	prepare_schedule_to (pTHX_ struct coro_transfer_args ta, struct coro next)
1619	{	1652	{
1620	SV prev_sv, next_sv;
1621
1622	for (;;)
1623	{
1624	next_sv = coro_deq (aTHX);
1625
1626	/* nothing to schedule: call the idle handler */
1627	if (expect_false (!next_sv))
1628	{
1629	dSP;
1630
1631	ENTER;
1632	SAVETMPS;
1633
1634	PUSHMARK (SP);
1635	PUTBACK;
1636	call_sv (get_sv ("Coro::idle", FALSE), G_VOID \| G_DISCARD);
1637
1638	FREETMPS;
1639	LEAVE;
1640	continue;
1641	}
1642
1643	ta->next = SvSTATE_hv (next_sv);
1644
1645	/* cannot transfer to destroyed coros, skip and look for next */
1646	if (expect_false (ta->next->flags & CF_DESTROYED))
1647	{
1648	SvREFCNT_dec (next_sv);
1649	/* coro_nready has already been taken care of by destroy */
1650	continue;
1651	}
1652
1653	--coro_nready;
1654	break;
1655	}
1656
1657	/* free this only after the transfer */
1658	prev_sv = SvRV (coro_current);	1653	SV *prev_sv = SvRV (coro_current);
		1654
1659	ta->prev = SvSTATE_hv (prev_sv);	1655	ta->prev = SvSTATE_hv (prev_sv);
		1656	ta->next = next;
		1657
1660	TRANSFER_CHECK (*ta);	1658	TRANSFER_CHECK (*ta);
1661	assert (("FATAL: next coroutine isn't marked as ready in Coro (please report)", ta->next->flags & CF_READY));	1659
1662	ta->next->flags &= ~CF_READY;
1663	SvRV_set (coro_current, next_sv);	1660	SvRV_set (coro_current, (SV *)next->hv);
1664		1661
1665	free_coro_mortal (aTHX);	1662	free_coro_mortal (aTHX);
1666	coro_mortal = prev_sv;	1663	coro_mortal = prev_sv;
1667	}	1664	}
1668		1665
		1666	static void
		1667	prepare_schedule (pTHX_ struct coro_transfer_args *ta)
		1668	{
		1669	for (;;)
		1670	{
		1671	SV *next_sv = coro_deq (aTHX);
		1672
		1673	if (expect_true (next_sv))
		1674	{
		1675	struct coro *next = SvSTATE_hv (next_sv);
		1676
		1677	/* cannot transfer to destroyed coros, skip and look for next */
		1678	if (expect_false (next->flags & CF_DESTROYED))
		1679	SvREFCNT_dec (next_sv); /* coro_nready has already been taken care of by destroy */
		1680	else
		1681	{
		1682	next->flags &= ~CF_READY;
		1683	--coro_nready;
		1684
		1685	prepare_schedule_to (aTHX_ ta, next);
		1686	break;
		1687	}
		1688	}
		1689	else
		1690	{
		1691	/* nothing to schedule: call the idle handler */
		1692	if (SvROK (sv_idle)
		1693	&& SvOBJECT (SvRV (sv_idle)))
		1694	{
		1695	++coro_nready; /* hack so that api_ready doesn't invoke ready hook */
		1696	api_ready (aTHX_ SvRV (sv_idle));
		1697	--coro_nready;
		1698	}
		1699	else
		1700	{
		1701	dSP;
		1702
		1703	ENTER;
		1704	SAVETMPS;
		1705
		1706	PUSHMARK (SP);
		1707	PUTBACK;
		1708	call_sv (sv_idle, G_VOID \| G_DISCARD);
		1709
		1710	FREETMPS;
		1711	LEAVE;
		1712	}
		1713	}
		1714	}
		1715	}
		1716
1669	INLINE void	1717	INLINE void
1670	prepare_cede (pTHX_ struct coro_transfer_args *ta)	1718	prepare_cede (pTHX_ struct coro_transfer_args *ta)
1671	{	1719	{
1672	api_ready (aTHX_ coro_current);	1720	api_ready (aTHX_ coro_current);
1673	prepare_schedule (aTHX_ ta);	1721	prepare_schedule (aTHX_ ta);
…		…
1692	{	1740	{
1693	struct coro_transfer_args ta;	1741	struct coro_transfer_args ta;
1694		1742
1695	prepare_schedule (aTHX_ &ta);	1743	prepare_schedule (aTHX_ &ta);
1696	TRANSFER (ta, 1);	1744	TRANSFER (ta, 1);
		1745	}
		1746
		1747	static void
		1748	api_schedule_to (pTHX_ SV *coro_sv)
		1749	{
		1750	struct coro_transfer_args ta;
		1751	struct coro *next = SvSTATE (coro_sv);
		1752
		1753	SvREFCNT_inc_NN (coro_sv);
		1754	prepare_schedule_to (aTHX_ &ta, next);
1697	}	1755	}
1698		1756
1699	static int	1757	static int
1700	api_cede (pTHX)	1758	api_cede (pTHX)
1701	{	1759	{
…		…
1730	static void	1788	static void
1731	api_trace (pTHX_ SV *coro_sv, int flags)	1789	api_trace (pTHX_ SV *coro_sv, int flags)
1732	{	1790	{
1733	struct coro *coro = SvSTATE (coro_sv);	1791	struct coro *coro = SvSTATE (coro_sv);
1734		1792
		1793	if (coro->flags & CF_RUNNING)
		1794	croak ("cannot enable tracing on a running coroutine, caught");
		1795
1735	if (flags & CC_TRACE)	1796	if (flags & CC_TRACE)
1736	{	1797	{
1737	if (!coro->cctx)	1798	if (!coro->cctx)
1738	coro->cctx = cctx_new_run ();	1799	coro->cctx = cctx_new_run ();
1739	else if (!(coro->cctx->flags & CC_TRACE))	1800	else if (!(coro->cctx->flags & CC_TRACE))
1740	croak ("cannot enable tracing on coroutine with custom stack,");	1801	croak ("cannot enable tracing on coroutine with custom stack, caught");
1741		1802
1742	coro->cctx->flags \|= CC_NOREUSE \| (flags & (CC_TRACE \| CC_TRACE_ALL));	1803	coro->cctx->flags \|= CC_NOREUSE \| (flags & (CC_TRACE \| CC_TRACE_ALL));
1743	}	1804	}
1744	else if (coro->cctx && coro->cctx->flags & CC_TRACE)	1805	else if (coro->cctx && coro->cctx->flags & CC_TRACE)
1745	{	1806	{
…		…
1748	if (coro->flags & CF_RUNNING)	1809	if (coro->flags & CF_RUNNING)
1749	PL_runops = RUNOPS_DEFAULT;	1810	PL_runops = RUNOPS_DEFAULT;
1750	else	1811	else
1751	coro->slot->runops = RUNOPS_DEFAULT;	1812	coro->slot->runops = RUNOPS_DEFAULT;
1752	}	1813	}
		1814	}
		1815
		1816	static void
		1817	coro_call_on_destroy (pTHX_ struct coro *coro)
		1818	{
		1819	SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0);
		1820	SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0);
		1821
		1822	if (on_destroyp)
		1823	{
		1824	AV on_destroy = (AV )SvRV (*on_destroyp);
		1825
		1826	while (AvFILLp (on_destroy) >= 0)
		1827	{
		1828	dSP; /* don't disturb outer sp */
		1829	SV *cb = av_pop (on_destroy);
		1830
		1831	PUSHMARK (SP);
		1832
		1833	if (statusp)
		1834	{
		1835	int i;
		1836	AV status = (AV )SvRV (*statusp);
		1837	EXTEND (SP, AvFILLp (status) + 1);
		1838
		1839	for (i = 0; i <= AvFILLp (status); ++i)
		1840	PUSHs (AvARRAY (status)[i]);
		1841	}
		1842
		1843	PUTBACK;
		1844	call_sv (sv_2mortal (cb), G_VOID \| G_DISCARD);
		1845	}
		1846	}
		1847	}
		1848
		1849	static void
		1850	slf_init_terminate (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)
		1851	{
		1852	int i;
		1853	HV hv = (HV )SvRV (coro_current);
		1854	AV *av = newAV ();
		1855
		1856	av_extend (av, items - 1);
		1857	for (i = 0; i < items; ++i)
		1858	av_push (av, SvREFCNT_inc_NN (arg [i]));
		1859
		1860	hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0);
		1861
		1862	av_push (av_destroy, (SV )newRV_inc ((SV )hv)); /* RVinc for perl */
		1863	api_ready (aTHX_ sv_manager);
		1864
		1865	frame->prepare = prepare_schedule;
		1866	frame->check = slf_check_repeat;
1753	}	1867	}
1754		1868
1755	/*****************************************************************************/	1869	/*****************************************************************************/
1756	/* async pool handler */	1870	/* async pool handler */
1757		1871
…		…
1990	static void	2104	static void
1991	slf_init_schedule (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)	2105	slf_init_schedule (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)
1992	{	2106	{
1993	frame->prepare = prepare_schedule;	2107	frame->prepare = prepare_schedule;
1994	frame->check = slf_check_nop;	2108	frame->check = slf_check_nop;
		2109	}
		2110
		2111	static void
		2112	slf_prepare_schedule_to (pTHX_ struct coro_transfer_args *ta)
		2113	{
		2114	struct coro next = (struct coro )slf_frame.data;
		2115
		2116	SvREFCNT_inc_NN (next->hv);
		2117	prepare_schedule_to (aTHX_ ta, next);
		2118	}
		2119
		2120	static void
		2121	slf_init_schedule_to (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)
		2122	{
		2123	if (!items)
		2124	croak ("Coro::schedule_to expects a coroutine argument, caught");
		2125
		2126	frame->data = (void *)SvSTATE (arg [0]);
		2127	frame->prepare = slf_prepare_schedule_to;
		2128	frame->check = slf_check_nop;
		2129	}
		2130
		2131	static void
		2132	slf_init_cede_to (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)
		2133	{
		2134	api_ready (aTHX_ SvRV (coro_current));
		2135
		2136	slf_init_schedule_to (aTHX_ frame, cv, arg, items);
1995	}	2137	}
1996		2138
1997	static void	2139	static void
1998	slf_init_cede (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)	2140	slf_init_cede (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)
1999	{	2141	{
…		…
2145	}	2287	}
2146	else	2288	else
2147	slf_argc = 0;	2289	slf_argc = 0;
2148		2290
2149	PL_op->op_ppaddr = pp_slf;	2291	PL_op->op_ppaddr = pp_slf;
2150	PL_op->op_type = OP_CUSTOM; /* maybe we should leave it at entersub? */	2292	/PL_op->op_type = OP_CUSTOM; / we do behave like entersub still */
2151		2293
2152	PL_op = (OP *)&slf_restore;	2294	PL_op = (OP *)&slf_restore;
2153	}	2295	}
2154		2296
2155	/*****************************************************************************/	2297	/*****************************************************************************/
…		…
2238	SV **ary;	2380	SV **ary;
2239		2381
2240	/* unfortunately, building manually saves memory */	2382	/* unfortunately, building manually saves memory */
2241	Newx (ary, 2, SV *);	2383	Newx (ary, 2, SV *);
2242	AvALLOC (av) = ary;	2384	AvALLOC (av) = ary;
		2385	#if PERL_VERSION_ATLEAST (5,10,0)
2243	/AvARRAY (av) = ary;/	2386	AvARRAY (av) = ary;
		2387	#else
2244	SvPVX ((SV )av) = (char )ary; /* 5.8.8 needs this syntax instead of AvARRAY = ary */	2388	/* 5.8.8 needs this syntax instead of AvARRAY = ary, yet */
		2389	/* -DDEBUGGING flags this as a bug, despite it perfectly working */
		2390	SvPVX ((SV )av) = (char )ary;
		2391	#endif
2245	AvMAX (av) = 1;	2392	AvMAX (av) = 1;
2246	AvFILLp (av) = 0;	2393	AvFILLp (av) = 0;
2247	ary [0] = newSViv (count);	2394	ary [0] = newSViv (count);
2248		2395
2249	return newRV_noinc ((SV *)av);	2396	return newRV_noinc ((SV *)av);
…		…
2619	XSRETURN_EMPTY;	2766	XSRETURN_EMPTY;
2620	}	2767	}
2621		2768
2622	/*****************************************************************************/	2769	/*****************************************************************************/
2623		2770
		2771	#if CORO_CLONE
		2772	# include "clone.c"
		2773	#endif
		2774
2624	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	2775	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
2625		2776
2626	PROTOTYPES: DISABLE	2777	PROTOTYPES: DISABLE
2627		2778
2628	BOOT:	2779	BOOT:
…		…
2632	coro_thx = PERL_GET_CONTEXT;	2783	coro_thx = PERL_GET_CONTEXT;
2633	# endif	2784	# endif
2634	#endif	2785	#endif
2635	BOOT_PAGESIZE;	2786	BOOT_PAGESIZE;
2636		2787
		2788	cctx_current = cctx_new_empty ();
		2789
2637	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);	2790	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
2638	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);	2791	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
2639		2792
2640	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;	2793	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;
2641	orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;	2794	orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;
…		…
2660		2813
2661	{	2814	{
2662	SV *slf = sv_2mortal (newSViv (PTR2IV (pp_slf)));	2815	SV *slf = sv_2mortal (newSViv (PTR2IV (pp_slf)));
2663		2816
2664	if (!PL_custom_op_names) PL_custom_op_names = newHV ();	2817	if (!PL_custom_op_names) PL_custom_op_names = newHV ();
2665	hv_store_ent (PL_custom_op_names, slf,	2818	hv_store_ent (PL_custom_op_names, slf, newSVpv ("coro_slf", 0), 0);
2666	newSVpv ("coro_slf", 0), 0);
2667		2819
2668	if (!PL_custom_op_descs) PL_custom_op_descs = newHV ();	2820	if (!PL_custom_op_descs) PL_custom_op_descs = newHV ();
2669	hv_store_ent (PL_custom_op_descs, slf,	2821	hv_store_ent (PL_custom_op_descs, slf, newSVpv ("coro schedule like function", 0), 0);
2670	newSVpv ("coro schedule like function", 0), 0);
2671	}	2822	}
2672		2823
2673	coroapi.ver = CORO_API_VERSION;	2824	coroapi.ver = CORO_API_VERSION;
2674	coroapi.rev = CORO_API_REVISION;	2825	coroapi.rev = CORO_API_REVISION;
2675		2826
…		…
2768	void	2919	void
2769	_exit (int code)	2920	_exit (int code)
2770	PROTOTYPE: $	2921	PROTOTYPE: $
2771	CODE:	2922	CODE:
2772	_exit (code);	2923	_exit (code);
		2924
		2925	SV *
		2926	clone (Coro::State coro)
		2927	CODE:
		2928	{
		2929	#if CORO_CLONE
		2930	struct coro *ncoro = coro_clone (aTHX_ coro);
		2931	MAGIC *mg;
		2932	/* TODO: too much duplication */
		2933	ncoro->hv = newHV ();
		2934	mg = sv_magicext ((SV )ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char )ncoro, 0);
		2935	mg->mg_flags \|= MGf_DUP;
		2936	RETVAL = sv_bless (newRV_noinc ((SV *)ncoro->hv), SvSTASH (coro->hv));
		2937	#else
		2938	croak ("Coro::State->clone has not been configured into this installation of Coro, realised");
		2939	#endif
		2940	}
		2941	OUTPUT:
		2942	RETVAL
2773		2943
2774	int	2944	int
2775	cctx_stacksize (int new_stacksize = 0)	2945	cctx_stacksize (int new_stacksize = 0)
2776	PROTOTYPE: ;$	2946	PROTOTYPE: ;$
2777	CODE:	2947	CODE:
…		…
2898		3068
2899	SV *	3069	SV *
2900	has_cctx (Coro::State coro)	3070	has_cctx (Coro::State coro)
2901	PROTOTYPE: $	3071	PROTOTYPE: $
2902	CODE:	3072	CODE:
2903	RETVAL = boolSV (!!coro->cctx);	3073	/* maybe manage the running flag differently */
		3074	RETVAL = boolSV (!!coro->cctx \|\| (coro->flags & CF_RUNNING));
2904	OUTPUT:	3075	OUTPUT:
2905	RETVAL	3076	RETVAL
2906		3077
2907	int	3078	int
2908	is_traced (Coro::State coro)	3079	is_traced (Coro::State coro)
…		…
2928		3099
2929	void	3100	void
2930	force_cctx ()	3101	force_cctx ()
2931	PROTOTYPE:	3102	PROTOTYPE:
2932	CODE:	3103	CODE:
2933	SvSTATE_current->cctx->idle_sp = 0;	3104	cctx_current->idle_sp = 0;
2934		3105
2935	void	3106	void
2936	swap_defsv (Coro::State self)	3107	swap_defsv (Coro::State self)
2937	PROTOTYPE: $	3108	PROTOTYPE: $
2938	ALIAS:	3109	ALIAS:
…		…
2953		3124
2954	BOOT:	3125	BOOT:
2955	{	3126	{
2956	int i;	3127	int i;
2957		3128
2958	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
2959	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);	3129	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
2960	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);	3130	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
2961	cv_coro_run = get_cv ( "Coro::_terminate", GV_ADD);	3131	cv_coro_run = get_cv ( "Coro::_terminate", GV_ADD);
2962	cv_coro_terminate = get_cv ( "Coro::terminate", GV_ADD);	3132	cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD);
2963	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE);	3133	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);
2964	SvREADONLY_on (coro_current);	3134	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
		3135	av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE);
		3136	sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE);
		3137	sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE);
2965		3138
2966	sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle);	3139	sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle);
2967	sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro);	3140	sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro);
2968	cv_pool_handler = get_cv ("Coro::_pool_handler", 0); SvREADONLY_on (cv_pool_handler);	3141	cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler);
2969	cv_coro_new = get_cv ("Coro::new", 0); SvREADONLY_on (cv_coro_new);	3142	cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new);
2970		3143
2971	coro_stash = gv_stashpv ("Coro", TRUE);	3144	coro_stash = gv_stashpv ("Coro", TRUE);
2972		3145
2973	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	3146	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
2974	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	3147	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
…		…
2982		3155
2983	{	3156	{
2984	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);	3157	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);
2985		3158
2986	coroapi.schedule = api_schedule;	3159	coroapi.schedule = api_schedule;
		3160	coroapi.schedule_to = api_schedule_to;
2987	coroapi.cede = api_cede;	3161	coroapi.cede = api_cede;
2988	coroapi.cede_notself = api_cede_notself;	3162	coroapi.cede_notself = api_cede_notself;
2989	coroapi.ready = api_ready;	3163	coroapi.ready = api_ready;
2990	coroapi.is_ready = api_is_ready;	3164	coroapi.is_ready = api_is_ready;
2991	coroapi.nready = coro_nready;	3165	coroapi.nready = coro_nready;
…		…
2996	SvREADONLY_on (sv);	3170	SvREADONLY_on (sv);
2997	}	3171	}
2998	}	3172	}
2999		3173
3000	void	3174	void
		3175	terminate (...)
		3176	CODE:
		3177	CORO_EXECUTE_SLF_XS (slf_init_terminate);
		3178
		3179	void
3001	schedule (...)	3180	schedule (...)
3002	CODE:	3181	CODE:
3003	CORO_EXECUTE_SLF_XS (slf_init_schedule);	3182	CORO_EXECUTE_SLF_XS (slf_init_schedule);
		3183
		3184	void
		3185	schedule_to (...)
		3186	CODE:
		3187	CORO_EXECUTE_SLF_XS (slf_init_schedule_to);
		3188
		3189	void
		3190	cede_to (...)
		3191	CODE:
		3192	CORO_EXECUTE_SLF_XS (slf_init_cede_to);
3004		3193
3005	void	3194	void
3006	cede (...)	3195	cede (...)
3007	CODE:	3196	CODE:
3008	CORO_EXECUTE_SLF_XS (slf_init_cede);	3197	CORO_EXECUTE_SLF_XS (slf_init_cede);
3009		3198
3010	void	3199	void
3011	cede_notself (...)	3200	cede_notself (...)
3012	CODE:	3201	CODE:
3013	CORO_EXECUTE_SLF_XS (slf_init_cede_notself);	3202	CORO_EXECUTE_SLF_XS (slf_init_cede_notself);
		3203
		3204	void
		3205	_cancel (Coro::State self)
		3206	CODE:
		3207	coro_state_destroy (aTHX_ self);
		3208	coro_call_on_destroy (aTHX_ self);
3014		3209
3015	void	3210	void
3016	_set_current (SV *current)	3211	_set_current (SV *current)
3017	PROTOTYPE: $	3212	PROTOTYPE: $
3018	CODE:	3213	CODE:
…		…
3089	PUSHMARK (SP);	3284	PUSHMARK (SP);
3090	EXTEND (SP, 2);	3285	EXTEND (SP, 2);
3091	PUSHs (sv_Coro);	3286	PUSHs (sv_Coro);
3092	PUSHs ((SV *)cv_pool_handler);	3287	PUSHs ((SV *)cv_pool_handler);
3093	PUTBACK;	3288	PUTBACK;
3094	call_sv ((SV *)cv_coro_new, G_SCALAR);	3289	call_sv ((SV *)cv_coro_state_new, G_SCALAR);
3095	SPAGAIN;	3290	SPAGAIN;
3096		3291
3097	hv = (HV *)SvREFCNT_inc_NN (SvRV (POPs));	3292	hv = (HV *)SvREFCNT_inc_NN (SvRV (POPs));
3098	}	3293	}
3099		3294

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Comparing Coro/Coro/State.xs (file contents): Revision 1.314 by root, Thu Nov 20 03:24:39 2008 UTC vs. Revision 1.333 by root, Thu Nov 27 12:39:00 2008 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.314 by root, Thu Nov 20 03:24:39 2008 UTC vs.
Revision 1.333 by root, Thu Nov 27 12:39:00 2008 UTC