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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.307 by root, Wed Nov 19 14:34:46 2008 UTC vs.
Revision 1.331 by root, Thu Nov 27 12:00:59 2008 UTC

…		…
55		55
56	#define PERL_VERSION_ATLEAST(a,b,c) \	56	#define PERL_VERSION_ATLEAST(a,b,c) \
57	(PERL_REVISION > (a) \	57	(PERL_REVISION > (a) \
58	\|\| (PERL_REVISION == (a) \	58	\|\| (PERL_REVISION == (a) \
59	&& (PERL_VERSION > (b) \	59	&& (PERL_VERSION > (b) \
60	\|\| (PERL_VERSION == (b) && PERLSUBVERSION >= (c)))))	60	\|\| (PERL_VERSION == (b) && PERL_SUBVERSION >= (c)))))
61		61
62	#if !PERL_VERSION_ATLEAST (5,6,0)	62	#if !PERL_VERSION_ATLEAST (5,6,0)
63	# ifndef PL_ppaddr	63	# ifndef PL_ppaddr
64	# define PL_ppaddr ppaddr	64	# define PL_ppaddr ppaddr
65	# endif	65	# endif
…		…
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;
		191	static SV sv_async_pool_idle; / description string */
181	static AV *av_async_pool;	192	static AV av_async_pool; / idle pool */
		193	static SV sv_Coro; / class string */
		194	static CV *cv_pool_handler;
		195	static CV *cv_coro_state_new;
182		196
183	/* Coro::AnyEvent */	197	/* Coro::AnyEvent */
184	static SV *sv_activity;	198	static SV *sv_activity;
185		199
186	static struct coro_cctx *cctx_first;	200	static struct coro_cctx *cctx_first;
…		…
215	int valgrind_id;	229	int valgrind_id;
216	#endif	230	#endif
217	unsigned char flags;	231	unsigned char flags;
218	} coro_cctx;	232	} coro_cctx;
219		233
		234	coro_cctx cctx_current; / the currently running cctx */
		235
		236	/*****************************************************************************/
		237
220	enum {	238	enum {
221	CF_RUNNING = 0x0001, /* coroutine is running */	239	CF_RUNNING = 0x0001, /* coroutine is running */
222	CF_READY = 0x0002, /* coroutine is ready */	240	CF_READY = 0x0002, /* coroutine is ready */
223	CF_NEW = 0x0004, /* has never been switched to */	241	CF_NEW = 0x0004, /* has never been switched to */
224	CF_DESTROYED = 0x0008, /* coroutine data has been freed */	242	CF_DESTROYED = 0x0008, /* coroutine data has been freed */
…		…
229	{	247	{
230	SV *defsv;	248	SV *defsv;
231	AV *defav;	249	AV *defav;
232	SV *errsv;	250	SV *errsv;
233	SV *irsgv;	251	SV *irsgv;
		252	HV *hinthv;
234	#define VAR(name,type) type name;	253	#define VAR(name,type) type name;
235	# include "state.h"	254	# include "state.h"
236	#undef VAR	255	#undef VAR
237	} perl_slots;	256	} perl_slots;
238		257
…		…
263	SV except; / exception to be thrown */	282	SV except; / exception to be thrown */
264	SV *rouse_cb;	283	SV *rouse_cb;
265		284
266	/* async_pool */	285	/* async_pool */
267	SV *saved_deffh;	286	SV *saved_deffh;
		287	SV *invoke_cb;
		288	AV *invoke_av;
268		289
269	/* linked list */	290	/* linked list */
270	struct coro next, prev;	291	struct coro next, prev;
271	};	292	};
272		293
…		…
289		310
290	/* for Coro.pm */	311	/* for Coro.pm */
291	static SV *coro_current;	312	static SV *coro_current;
292	static SV *coro_readyhook;	313	static SV *coro_readyhook;
293	static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1];	314	static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1];
		315	static CV cv_coro_run, cv_coro_terminate;
294	static struct coro *coro_first;	316	static struct coro *coro_first;
295	#define coro_nready coroapi.nready	317	#define coro_nready coroapi.nready
296		318
297	/ lowlevel stuff ********************************************************/	319	/ lowlevel stuff ********************************************************/
298		320
…		…
326	return get_hv (name, create);	348	return get_hv (name, create);
327	}	349	}
328		350
329	/* may croak */	351	/* may croak */
330	INLINE CV *	352	INLINE CV *
331	coro_sv_2cv (SV *sv)	353	coro_sv_2cv (pTHX_ SV *sv)
332	{	354	{
333	HV *st;	355	HV *st;
334	GV *gvp;	356	GV *gvp;
335	return sv_2cv (sv, &st, &gvp, 0);	357	return sv_2cv (sv, &st, &gvp, 0);
336	}	358	}
337		359
338	static AV *	360	static AV *
339	coro_clone_padlist (pTHX_ CV *cv)	361	coro_derive_padlist (pTHX_ CV *cv)
340	{	362	{
341	AV *padlist = CvPADLIST (cv);	363	AV *padlist = CvPADLIST (cv);
342	AV newpadlist, newpad;	364	AV newpadlist, newpad;
343		365
344	newpadlist = newAV ();	366	newpadlist = newAV ();
…		…
359		381
360	static void	382	static void
361	free_padlist (pTHX_ AV *padlist)	383	free_padlist (pTHX_ AV *padlist)
362	{	384	{
363	/* may be during global destruction */	385	/* may be during global destruction */
364	if (SvREFCNT (padlist))	386	if (!IN_DESTRUCT)
365	{	387	{
366	I32 i = AvFILLp (padlist);	388	I32 i = AvFILLp (padlist);
		389
367	while (i >= 0)	390	while (i >= 0)
368	{	391	{
369	SV **svp = av_fetch (padlist, i--, FALSE);	392	/* we try to be extra-careful here */
370	if (svp)	393	AV av = (AV )AvARRAY (padlist)[i--];
371	{	394
372	SV *sv;	395	I32 i = AvFILLp (av);
373	while (&PL_sv_undef != (sv = av_pop ((AV )svp)))	396
		397	while (i >= 0)
		398	SvREFCNT_dec (AvARRAY (av)[i--]);
		399
		400	AvFILLp (av) = -1;
374	SvREFCNT_dec (sv);	401	SvREFCNT_dec (av);
375
376	SvREFCNT_dec (*svp);
377	}
378	}	402	}
379		403
		404	AvFILLp (padlist) = -1;
380	SvREFCNT_dec ((SV*)padlist);	405	SvREFCNT_dec ((SV*)padlist);
381	}	406	}
382	}	407	}
383		408
384	static int	409	static int
…		…
464	CV *cp = Perl_cv_clone (aTHX_ cv);	489	CV *cp = Perl_cv_clone (aTHX_ cv);
465	CvPADLIST (cv) = CvPADLIST (cp);	490	CvPADLIST (cv) = CvPADLIST (cp);
466	CvPADLIST (cp) = 0;	491	CvPADLIST (cp) = 0;
467	SvREFCNT_dec (cp);	492	SvREFCNT_dec (cp);
468	#else	493	#else
469	CvPADLIST (cv) = coro_clone_padlist (aTHX_ cv);	494	CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv);
470	#endif	495	#endif
471	}	496	}
472	}	497	}
473		498
474	static void	499	static void
…		…
481	mg = sv_magicext ((SV )cv, (SV )newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);	506	mg = sv_magicext ((SV )cv, (SV )newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);
482		507
483	av = (AV *)mg->mg_obj;	508	av = (AV *)mg->mg_obj;
484		509
485	if (expect_false (AvFILLp (av) >= AvMAX (av)))	510	if (expect_false (AvFILLp (av) >= AvMAX (av)))
486	av_extend (av, AvMAX (av) + 1);	511	av_extend (av, AvFILLp (av) + 1);
487		512
488	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);	513	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
489	}	514	}
490		515
491	/ load & save, init *****************************************************/	516	/ load & save, init *****************************************************/
…		…
496	perl_slots *slot = c->slot;	521	perl_slots *slot = c->slot;
497	c->slot = 0;	522	c->slot = 0;
498		523
499	PL_mainstack = c->mainstack;	524	PL_mainstack = c->mainstack;
500		525
501	GvSV (PL_defgv) = slot->defsv;	526	GvSV (PL_defgv) = slot->defsv;
502	GvAV (PL_defgv) = slot->defav;	527	GvAV (PL_defgv) = slot->defav;
503	GvSV (PL_errgv) = slot->errsv;	528	GvSV (PL_errgv) = slot->errsv;
504	GvSV (irsgv) = slot->irsgv;	529	GvSV (irsgv) = slot->irsgv;
		530	GvHV (PL_hintgv) = slot->hinthv;
505		531
506	#define VAR(name,type) PL_ ## name = slot->name;	532	#define VAR(name,type) PL_ ## name = slot->name;
507	# include "state.h"	533	# include "state.h"
508	#undef VAR	534	#undef VAR
509		535
…		…
595	c->mainstack = PL_mainstack;	621	c->mainstack = PL_mainstack;
596		622
597	{	623	{
598	perl_slots slot = c->slot = (perl_slots )(cxstack + cxstack_ix + 1);	624	perl_slots slot = c->slot = (perl_slots )(cxstack + cxstack_ix + 1);
599		625
600	slot->defav = GvAV (PL_defgv);	626	slot->defav = GvAV (PL_defgv);
601	slot->defsv = DEFSV;	627	slot->defsv = DEFSV;
602	slot->errsv = ERRSV;	628	slot->errsv = ERRSV;
603	slot->irsgv = GvSV (irsgv);	629	slot->irsgv = GvSV (irsgv);
		630	slot->hinthv = GvHV (PL_hintgv);
604		631
605	#define VAR(name,type) slot->name = PL_ ## name;	632	#define VAR(name,type) slot->name = PL_ ## name;
606	# include "state.h"	633	# include "state.h"
607	#undef VAR	634	#undef VAR
608	}	635	}
…		…
686	#if !PERL_VERSION_ATLEAST (5,10,0)	713	#if !PERL_VERSION_ATLEAST (5,10,0)
687	Safefree (PL_retstack);	714	Safefree (PL_retstack);
688	#endif	715	#endif
689	}	716	}
690		717
		718	#define CORO_RSS \
		719	rss += sizeof (SYM (curstackinfo)); \
		720	rss += (SYM (curstackinfo->si_cxmax) + 1) * sizeof (PERL_CONTEXT); \
		721	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (SYM (curstack))) * sizeof (SV *); \
		722	rss += SYM (tmps_max) * sizeof (SV *); \
		723	rss += (SYM (markstack_max) - SYM (markstack_ptr)) * sizeof (I32); \
		724	rss += SYM (scopestack_max) * sizeof (I32); \
		725	rss += SYM (savestack_max) * sizeof (ANY);
		726
691	static size_t	727	static size_t
692	coro_rss (pTHX_ struct coro *coro)	728	coro_rss (pTHX_ struct coro *coro)
693	{	729	{
694	size_t rss = sizeof (*coro);	730	size_t rss = sizeof (*coro);
695		731
696	if (coro->mainstack)	732	if (coro->mainstack)
697	{	733	{
698	perl_slots tmp_slot;
699	perl_slots *slot;
700
701	if (coro->flags & CF_RUNNING)	734	if (coro->flags & CF_RUNNING)
702	{	735	{
703	slot = &tmp_slot;	736	#define SYM(sym) PL_ ## sym
704		737	CORO_RSS;
705	#define VAR(name,type) slot->name = PL_ ## name;
706	# include "state.h"
707	#undef VAR	738	#undef SYM
708	}	739	}
709	else	740	else
710	slot = coro->slot;
711
712	if (slot)
713	{	741	{
714	rss += sizeof (slot->curstackinfo);	742	#define SYM(sym) coro->slot->sym
715	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);	743	CORO_RSS;
716	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);	744	#undef SYM
717	rss += slot->tmps_max * sizeof (SV *);
718	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
719	rss += slot->scopestack_max * sizeof (I32);
720	rss += slot->savestack_max * sizeof (ANY);
721
722	#if !PERL_VERSION_ATLEAST (5,10,0)
723	rss += slot->retstack_max * sizeof (OP *);
724	#endif
725	}	745	}
726	}	746	}
727		747
728	return rss;	748	return rss;
729	}	749	}
…		…
831	slf_check_nop (pTHX_ struct CoroSLF *frame)	851	slf_check_nop (pTHX_ struct CoroSLF *frame)
832	{	852	{
833	return 0;	853	return 0;
834	}	854	}
835		855
		856	static int
		857	slf_check_repeat (pTHX_ struct CoroSLF *frame)
		858	{
		859	return 1;
		860	}
		861
836	static UNOP coro_setup_op;	862	static UNOP coro_setup_op;
837		863
838	static void NOINLINE /* noinline to keep it out of the transfer fast path */	864	static void NOINLINE /* noinline to keep it out of the transfer fast path */
839	coro_setup (pTHX_ struct coro *coro)	865	coro_setup (pTHX_ struct coro *coro)
840	{	866	{
…		…
845		871
846	PL_runops = RUNOPS_DEFAULT;	872	PL_runops = RUNOPS_DEFAULT;
847	PL_curcop = &PL_compiling;	873	PL_curcop = &PL_compiling;
848	PL_in_eval = EVAL_NULL;	874	PL_in_eval = EVAL_NULL;
849	PL_comppad = 0;	875	PL_comppad = 0;
		876	PL_comppad_name = 0;
		877	PL_comppad_name_fill = 0;
		878	PL_comppad_name_floor = 0;
850	PL_curpm = 0;	879	PL_curpm = 0;
851	PL_curpad = 0;	880	PL_curpad = 0;
852	PL_localizing = 0;	881	PL_localizing = 0;
853	PL_dirty = 0;	882	PL_dirty = 0;
854	PL_restartop = 0;	883	PL_restartop = 0;
855	#if PERL_VERSION_ATLEAST (5,10,0)	884	#if PERL_VERSION_ATLEAST (5,10,0)
856	PL_parser = 0;	885	PL_parser = 0;
857	#endif	886	#endif
		887	PL_hints = 0;
858		888
859	/* recreate the die/warn hooks */	889	/* recreate the die/warn hooks */
860	PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook );	890	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);	891	PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook);
862		892
863	GvSV (PL_defgv) = newSV (0);	893	GvSV (PL_defgv) = newSV (0);
864	GvAV (PL_defgv) = coro->args; coro->args = 0;	894	GvAV (PL_defgv) = coro->args; coro->args = 0;
865	GvSV (PL_errgv) = newSV (0);	895	GvSV (PL_errgv) = newSV (0);
866	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);	896	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
		897	GvHV (PL_hintgv) = 0;
867	PL_rs = newSVsv (GvSV (irsgv));	898	PL_rs = newSVsv (GvSV (irsgv));
868	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);	899	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);
869		900
870	{	901	{
871	dSP;	902	dSP;
872	UNOP myop;	903	UNOP myop;
873		904
874	Zero (&myop, 1, UNOP);	905	Zero (&myop, 1, UNOP);
875	myop.op_next = Nullop;	906	myop.op_next = Nullop;
		907	myop.op_type = OP_ENTERSUB;
876	myop.op_flags = OPf_WANT_VOID;	908	myop.op_flags = OPf_WANT_VOID;
877		909
878	PUSHMARK (SP);	910	PUSHMARK (SP);
879	XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv))));	911	PUSHs ((SV *)coro->startcv);
880	PUTBACK;	912	PUTBACK;
881	PL_op = (OP *)&myop;	913	PL_op = (OP *)&myop;
882	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	914	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
883	SPAGAIN;
884	}	915	}
885		916
886	/* this newly created coroutine might be run on an existing cctx which most	917	/* this newly created coroutine might be run on an existing cctx which most
887	* likely was suspended in pp_slf, so we have to emulate entering pp_slf here.	918	* likely was suspended in pp_slf, so we have to emulate entering pp_slf here.
888	*/	919	*/
889	slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */	920	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 */	921	slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */
891		922
892	/* and we have to provide the pp_slf op in any case, so pp_slf can skip it */	923	/* 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;	924	coro_setup_op.op_next = PL_op;
894	coro_setup_op.op_type = OP_CUSTOM;	925	coro_setup_op.op_type = OP_ENTERSUB;
895	coro_setup_op.op_ppaddr = pp_slf;	926	coro_setup_op.op_ppaddr = pp_slf;
896	/* no flags required, as an init function won't be called */	927	/* no flags etc. required, as an init function won't be called */
897		928
898	PL_op = (OP *)&coro_setup_op;	929	PL_op = (OP *)&coro_setup_op;
899		930
900	/* copy throw, in case it was set before coro_setup */	931	/* copy throw, in case it was set before coro_setup */
901	CORO_THROW = coro->except;	932	CORO_THROW = coro->except;
…		…
925	SvREFCNT_dec (GvAV (PL_defgv));	956	SvREFCNT_dec (GvAV (PL_defgv));
926	SvREFCNT_dec (GvSV (PL_errgv));	957	SvREFCNT_dec (GvSV (PL_errgv));
927	SvREFCNT_dec (PL_defoutgv);	958	SvREFCNT_dec (PL_defoutgv);
928	SvREFCNT_dec (PL_rs);	959	SvREFCNT_dec (PL_rs);
929	SvREFCNT_dec (GvSV (irsgv));	960	SvREFCNT_dec (GvSV (irsgv));
		961	SvREFCNT_dec (GvHV (PL_hintgv));
930		962
931	SvREFCNT_dec (PL_diehook);	963	SvREFCNT_dec (PL_diehook);
932	SvREFCNT_dec (PL_warnhook);	964	SvREFCNT_dec (PL_warnhook);
933		965
934	SvREFCNT_dec (CORO_THROW);
935	SvREFCNT_dec (coro->saved_deffh);	966	SvREFCNT_dec (coro->saved_deffh);
936	SvREFCNT_dec (coro->rouse_cb);	967	SvREFCNT_dec (coro->rouse_cb);
		968	SvREFCNT_dec (coro->invoke_cb);
		969	SvREFCNT_dec (coro->invoke_av);
937		970
938	coro_destruct_stacks (aTHX);	971	coro_destruct_stacks (aTHX);
939	}	972	}
940		973
941	INLINE void	974	INLINE void
…		…
951	static int	984	static int
952	runops_trace (pTHX)	985	runops_trace (pTHX)
953	{	986	{
954	COP *oldcop = 0;	987	COP *oldcop = 0;
955	int oldcxix = -2;	988	int oldcxix = -2;
956	struct coro coro = SvSTATE_current; / trace cctx is tied to specific coro */
957	coro_cctx *cctx = coro->cctx;
958		989
959	while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))	990	while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))
960	{	991	{
961	PERL_ASYNC_CHECK ();	992	PERL_ASYNC_CHECK ();
962		993
963	if (cctx->flags & CC_TRACE_ALL)	994	if (cctx_current->flags & CC_TRACE_ALL)
964	{	995	{
965	if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB)	996	if (PL_op->op_type == OP_LEAVESUB && cctx_current->flags & CC_TRACE_SUB)
966	{	997	{
967	PERL_CONTEXT *cx = &cxstack[cxstack_ix];	998	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
968	SV bot, top;	999	SV bot, top;
969	AV av = newAV (); / return values */	1000	AV av = newAV (); / return values */
970	SV **cb;	1001	SV **cb;
…		…
1007		1038
1008	if (PL_curcop != &PL_compiling)	1039	if (PL_curcop != &PL_compiling)
1009	{	1040	{
1010	SV **cb;	1041	SV **cb;
1011		1042
1012	if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB)	1043	if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB)
1013	{	1044	{
1014	PERL_CONTEXT *cx = &cxstack[cxstack_ix];	1045	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
1015		1046
1016	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)	1047	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)
1017	{	1048	{
1018	runops_proc_t old_runops = PL_runops;
1019	dSP;	1049	dSP;
1020	GV *gv = CvGV (cx->blk_sub.cv);	1050	GV *gv = CvGV (cx->blk_sub.cv);
1021	SV *fullname = sv_2mortal (newSV (0));	1051	SV *fullname = sv_2mortal (newSV (0));
1022		1052
1023	if (isGV (gv))	1053	if (isGV (gv))
…		…
1041	}	1071	}
1042		1072
1043	oldcxix = cxstack_ix;	1073	oldcxix = cxstack_ix;
1044	}	1074	}
1045		1075
1046	if (cctx->flags & CC_TRACE_LINE)	1076	if (cctx_current->flags & CC_TRACE_LINE)
1047	{	1077	{
1048	dSP;	1078	dSP;
1049		1079
1050	PL_runops = RUNOPS_DEFAULT;	1080	PL_runops = RUNOPS_DEFAULT;
1051	ENTER;	1081	ENTER;
…		…
1070		1100
1071	TAINT_NOT;	1101	TAINT_NOT;
1072	return 0;	1102	return 0;
1073	}	1103	}
1074		1104
1075	static struct coro_cctx *cctx_ssl_cctx;
1076	static struct CoroSLF cctx_ssl_frame;	1105	static struct CoroSLF cctx_ssl_frame;
1077		1106
1078	static void	1107	static void
1079	slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta)	1108	slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta)
1080	{	1109	{
1081	ta->prev = (struct coro *)cctx_ssl_cctx;
1082	ta->next = 0;	1110	ta->prev = 0;
1083	}	1111	}
1084		1112
1085	static int	1113	static int
1086	slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame)	1114	slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame)
1087	{	1115	{
…		…
1090	return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */	1118	return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */
1091	}	1119	}
1092		1120
1093	/* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */	1121	/* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */
1094	static void NOINLINE	1122	static void NOINLINE
1095	cctx_prepare (pTHX_ coro_cctx *cctx)	1123	cctx_prepare (pTHX)
1096	{	1124	{
1097	PL_top_env = &PL_start_env;	1125	PL_top_env = &PL_start_env;
1098		1126
1099	if (cctx->flags & CC_TRACE)	1127	if (cctx_current->flags & CC_TRACE)
1100	PL_runops = runops_trace;	1128	PL_runops = runops_trace;
1101		1129
1102	/* we already must be executing an SLF op, there is no other valid way	1130	/* we already must be executing an SLF op, there is no other valid way
1103	* that can lead to creation of a new cctx */	1131	* that can lead to creation of a new cctx */
1104	assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)",	1132	assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)",
1105	slf_frame.prepare && PL_op->op_ppaddr == pp_slf));	1133	slf_frame.prepare && PL_op->op_ppaddr == pp_slf));
1106		1134
1107	/* we must emulate leaving pp_slf, which is done inside slf_check_set_stacklevel */	1135	/* we must emulate leaving pp_slf, which is done inside slf_check_set_stacklevel */
1108	cctx_ssl_cctx = cctx;
1109	cctx_ssl_frame = slf_frame;	1136	cctx_ssl_frame = slf_frame;
1110		1137
1111	slf_frame.prepare = slf_prepare_set_stacklevel;	1138	slf_frame.prepare = slf_prepare_set_stacklevel;
1112	slf_frame.check = slf_check_set_stacklevel;	1139	slf_frame.check = slf_check_set_stacklevel;
1113	}	1140	}
…		…
1136	/* normally we would need to skip the entersub here */	1163	/* normally we would need to skip the entersub here */
1137	/* not doing so will re-execute it, which is exactly what we want */	1164	/* not doing so will re-execute it, which is exactly what we want */
1138	/* PL_nop = PL_nop->op_next */	1165	/* PL_nop = PL_nop->op_next */
1139		1166
1140	/* inject a fake subroutine call to cctx_init */	1167	/* inject a fake subroutine call to cctx_init */
1141	cctx_prepare (aTHX_ (coro_cctx *)arg);	1168	cctx_prepare (aTHX);
1142		1169
1143	/* cctx_run is the alternative tail of transfer() */	1170	/* cctx_run is the alternative tail of transfer() */
1144	transfer_tail (aTHX);	1171	transfer_tail (aTHX);
1145		1172
1146	/* somebody or something will hit me for both perl_run and PL_restartop */	1173	/* somebody or something will hit me for both perl_run and PL_restartop */
1147	PL_restartop = PL_op;	1174	PL_restartop = PL_op;
1148	perl_run (PL_curinterp);	1175	perl_run (PL_curinterp);
		1176	/*
		1177	* Unfortunately, there is no way to get at the return values of the
		1178	* coro body here, as perl_run destroys these
		1179	*/
1149		1180
1150	/*	1181	/*
1151	* If perl-run returns we assume exit() was being called or the coro	1182	* If perl-run returns we assume exit() was being called or the coro
1152	* fell off the end, which seems to be the only valid (non-bug)	1183	* fell off the end, which seems to be the only valid (non-bug)
1153	* reason for perl_run to return. We try to exit by jumping to the	1184	* reason for perl_run to return. We try to exit by jumping to the
1154	* bootstrap-time "top" top_env, as we cannot restore the "main"	1185	* bootstrap-time "top" top_env, as we cannot restore the "main"
1155	* coroutine as Coro has no such concept	1186	* coroutine as Coro has no such concept.
		1187	* This actually isn't valid with the pthread backend, but OSes requiring
		1188	* that backend are too broken to do it in a standards-compliant way.
1156	*/	1189	*/
1157	PL_top_env = main_top_env;	1190	PL_top_env = main_top_env;
1158	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */	1191	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */
1159	}	1192	}
1160	}	1193	}
…		…
1237	cctx_destroy (coro_cctx *cctx)	1270	cctx_destroy (coro_cctx *cctx)
1238	{	1271	{
1239	if (!cctx)	1272	if (!cctx)
1240	return;	1273	return;
1241		1274
		1275	assert (cctx != cctx_current);//D temporary
		1276
1242	--cctx_count;	1277	--cctx_count;
1243	coro_destroy (&cctx->cctx);	1278	coro_destroy (&cctx->cctx);
1244		1279
1245	/* coro_transfer creates new, empty cctx's */	1280	/* coro_transfer creates new, empty cctx's */
1246	if (cctx->sptr)	1281	if (cctx->sptr)
…		…
1309	/* TODO: throwing up here is considered harmful */	1344	/* TODO: throwing up here is considered harmful */
1310		1345
1311	if (expect_true (prev != next))	1346	if (expect_true (prev != next))
1312	{	1347	{
1313	if (expect_false (!(prev->flags & (CF_RUNNING \| CF_NEW))))	1348	if (expect_false (!(prev->flags & (CF_RUNNING \| CF_NEW))))
1314	croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states,");	1349	croak ("Coro::State::transfer called with a suspended prev Coro::State, but can only transfer from running or new states,");
1315		1350
1316	if (expect_false (next->flags & CF_RUNNING))	1351	if (expect_false (next->flags & CF_RUNNING))
1317	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states,");	1352	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states,");
1318		1353
1319	if (expect_false (next->flags & CF_DESTROYED))	1354	if (expect_false (next->flags & CF_DESTROYED))
…		…
1331	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)	1366	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)
1332	{	1367	{
1333	dSTACKLEVEL;	1368	dSTACKLEVEL;
1334		1369
1335	/* sometimes transfer is only called to set idle_sp */	1370	/* sometimes transfer is only called to set idle_sp */
1336	if (expect_false (!next))	1371	if (expect_false (!prev))
1337	{	1372	{
1338	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1373	cctx_current->idle_sp = STACKLEVEL;
1339	assert (((coro_cctx )prev)->idle_te = PL_top_env); / just for the side-effect when asserts are enabled */	1374	assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */
1340	}	1375	}
1341	else if (expect_true (prev != next))	1376	else if (expect_true (prev != next))
1342	{	1377	{
1343	coro_cctx *prev__cctx;	1378	coro_cctx *cctx_prev;
1344		1379
1345	if (expect_false (prev->flags & CF_NEW))	1380	if (expect_false (prev->flags & CF_NEW))
1346	{	1381	{
1347	/* create a new empty/source context */	1382	/* create a new empty/source context */
1348	prev->cctx = cctx_new_empty ();
1349	prev->flags &= ~CF_NEW;	1383	prev->flags &= ~CF_NEW;
1350	prev->flags \|= CF_RUNNING;	1384	prev->flags \|= CF_RUNNING;
1351	}	1385	}
1352		1386
1353	prev->flags &= ~CF_RUNNING;	1387	prev->flags &= ~CF_RUNNING;
…		…
1364	coro_setup (aTHX_ next);	1398	coro_setup (aTHX_ next);
1365	}	1399	}
1366	else	1400	else
1367	load_perl (aTHX_ next);	1401	load_perl (aTHX_ next);
1368		1402
1369	prev__cctx = prev->cctx;	1403	assert (!prev->cctx);//D temporary
1370		1404
1371	/* possibly untie and reuse the cctx */	1405	/* possibly untie and reuse the cctx */
1372	if (expect_true (	1406	if (expect_true (
1373	prev__cctx->idle_sp == STACKLEVEL	1407	cctx_current->idle_sp == STACKLEVEL
1374	&& !(prev__cctx->flags & CC_TRACE)	1408	&& !(cctx_current->flags & CC_TRACE)
1375	&& !force_cctx	1409	&& !force_cctx
1376	))	1410	))
1377	{	1411	{
1378	/* I assume that stacklevel is a stronger indicator than PL_top_env changes */	1412	/* I assume that stacklevel is a stronger indicator than PL_top_env changes */
1379	assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == prev__cctx->idle_te));	1413	assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te));
1380		1414
1381	prev->cctx = 0;
1382
1383	/* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */	1415	/* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */
1384	/* without this the next cctx_get might destroy the prev__cctx while still in use */	1416	/* without this the next cctx_get might destroy the running cctx while still in use */
1385	if (expect_false (CCTX_EXPIRED (prev__cctx)))	1417	if (expect_false (CCTX_EXPIRED (cctx_current)))
1386	if (!next->cctx)	1418	if (expect_true (!next->cctx))
1387	next->cctx = cctx_get (aTHX);	1419	next->cctx = cctx_get (aTHX);
1388		1420
1389	cctx_put (prev__cctx);	1421	cctx_put (cctx_current);
1390	}	1422	}
		1423	else
		1424	prev->cctx = cctx_current;
1391		1425
1392	++next->usecount;	1426	++next->usecount;
1393		1427
1394	if (expect_true (!next->cctx))	1428	cctx_prev = cctx_current;
1395	next->cctx = cctx_get (aTHX);	1429	cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX);
1396		1430
1397	if (expect_false (prev__cctx != next->cctx))	1431	next->cctx = 0;
		1432
		1433	if (expect_false (cctx_prev != cctx_current))
1398	{	1434	{
1399	prev__cctx->top_env = PL_top_env;	1435	cctx_prev->top_env = PL_top_env;
1400	PL_top_env = next->cctx->top_env;	1436	PL_top_env = cctx_current->top_env;
1401	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);	1437	coro_transfer (&cctx_prev->cctx, &cctx_current->cctx);
1402	}	1438	}
1403		1439
1404	transfer_tail (aTHX);	1440	transfer_tail (aTHX);
1405	}	1441	}
1406	}	1442	}
…		…
1447	}	1483	}
1448		1484
1449	cctx_destroy (coro->cctx);	1485	cctx_destroy (coro->cctx);
1450	SvREFCNT_dec (coro->startcv);	1486	SvREFCNT_dec (coro->startcv);
1451	SvREFCNT_dec (coro->args);	1487	SvREFCNT_dec (coro->args);
		1488	SvREFCNT_dec (CORO_THROW);
1452		1489
1453	if (coro->next) coro->next->prev = coro->prev;	1490	if (coro->next) coro->next->prev = coro->prev;
1454	if (coro->prev) coro->prev->next = coro->next;	1491	if (coro->prev) coro->prev->next = coro->next;
1455	if (coro == coro_first) coro_first = coro->next;	1492	if (coro == coro_first) coro_first = coro->next;
1456		1493
…		…
1560	{	1597	{
1561	struct coro *coro;	1598	struct coro *coro;
1562	SV *sv_hook;	1599	SV *sv_hook;
1563	void (*xs_hook)(void);	1600	void (*xs_hook)(void);
1564		1601
1565	if (SvROK (coro_sv))
1566	coro_sv = SvRV (coro_sv);
1567
1568	coro = SvSTATE (coro_sv);	1602	coro = SvSTATE (coro_sv);
1569		1603
1570	if (coro->flags & CF_READY)	1604	if (coro->flags & CF_READY)
1571	return 0;	1605	return 0;
1572		1606
…		…
1603	api_is_ready (pTHX_ SV *coro_sv)	1637	api_is_ready (pTHX_ SV *coro_sv)
1604	{	1638	{
1605	return !!(SvSTATE (coro_sv)->flags & CF_READY);	1639	return !!(SvSTATE (coro_sv)->flags & CF_READY);
1606	}	1640	}
1607		1641
		1642	/* expects to own a reference to next->hv */
1608	INLINE void	1643	INLINE void
1609	prepare_schedule (pTHX_ struct coro_transfer_args *ta)	1644	prepare_schedule_to (pTHX_ struct coro_transfer_args ta, struct coro next)
1610	{	1645	{
1611	SV prev_sv, next_sv;
1612
1613	for (;;)
1614	{
1615	next_sv = coro_deq (aTHX);
1616
1617	/* nothing to schedule: call the idle handler */
1618	if (expect_false (!next_sv))
1619	{
1620	dSP;
1621
1622	ENTER;
1623	SAVETMPS;
1624
1625	PUSHMARK (SP);
1626	PUTBACK;
1627	call_sv (get_sv ("Coro::idle", FALSE), G_VOID \| G_DISCARD);
1628
1629	FREETMPS;
1630	LEAVE;
1631	continue;
1632	}
1633
1634	ta->next = SvSTATE_hv (next_sv);
1635
1636	/* cannot transfer to destroyed coros, skip and look for next */
1637	if (expect_false (ta->next->flags & CF_DESTROYED))
1638	{
1639	SvREFCNT_dec (next_sv);
1640	/* coro_nready has already been taken care of by destroy */
1641	continue;
1642	}
1643
1644	--coro_nready;
1645	break;
1646	}
1647
1648	/* free this only after the transfer */
1649	prev_sv = SvRV (coro_current);	1646	SV *prev_sv = SvRV (coro_current);
		1647
1650	ta->prev = SvSTATE_hv (prev_sv);	1648	ta->prev = SvSTATE_hv (prev_sv);
		1649	ta->next = next;
		1650
1651	TRANSFER_CHECK (*ta);	1651	TRANSFER_CHECK (*ta);
1652	assert (("FATAL: next coroutine isn't marked as ready in Coro (please report)", ta->next->flags & CF_READY));	1652
1653	ta->next->flags &= ~CF_READY;
1654	SvRV_set (coro_current, next_sv);	1653	SvRV_set (coro_current, (SV *)next->hv);
1655		1654
1656	free_coro_mortal (aTHX);	1655	free_coro_mortal (aTHX);
1657	coro_mortal = prev_sv;	1656	coro_mortal = prev_sv;
1658	}	1657	}
1659		1658
		1659	static void
		1660	prepare_schedule (pTHX_ struct coro_transfer_args *ta)
		1661	{
		1662	for (;;)
		1663	{
		1664	SV *next_sv = coro_deq (aTHX);
		1665
		1666	if (expect_true (next_sv))
		1667	{
		1668	struct coro *next = SvSTATE_hv (next_sv);
		1669
		1670	/* cannot transfer to destroyed coros, skip and look for next */
		1671	if (expect_false (next->flags & CF_DESTROYED))
		1672	SvREFCNT_dec (next_sv); /* coro_nready has already been taken care of by destroy */
		1673	else
		1674	{
		1675	next->flags &= ~CF_READY;
		1676	--coro_nready;
		1677
		1678	prepare_schedule_to (aTHX_ ta, next);
		1679	break;
		1680	}
		1681	}
		1682	else
		1683	{
		1684	/* nothing to schedule: call the idle handler */
		1685	if (SvROK (sv_idle)
		1686	&& SvOBJECT (SvRV (sv_idle)))
		1687	{
		1688	++coro_nready; /* hack so that api_ready doesn't invoke ready hook */
		1689	api_ready (aTHX_ SvRV (sv_idle));
		1690	--coro_nready;
		1691	}
		1692	else
		1693	{
		1694	dSP;
		1695
		1696	ENTER;
		1697	SAVETMPS;
		1698
		1699	PUSHMARK (SP);
		1700	PUTBACK;
		1701	call_sv (sv_idle, G_VOID \| G_DISCARD);
		1702
		1703	FREETMPS;
		1704	LEAVE;
		1705	}
		1706	}
		1707	}
		1708	}
		1709
1660	INLINE void	1710	INLINE void
1661	prepare_cede (pTHX_ struct coro_transfer_args *ta)	1711	prepare_cede (pTHX_ struct coro_transfer_args *ta)
1662	{	1712	{
1663	api_ready (aTHX_ coro_current);	1713	api_ready (aTHX_ coro_current);
1664	prepare_schedule (aTHX_ ta);	1714	prepare_schedule (aTHX_ ta);
…		…
1683	{	1733	{
1684	struct coro_transfer_args ta;	1734	struct coro_transfer_args ta;
1685		1735
1686	prepare_schedule (aTHX_ &ta);	1736	prepare_schedule (aTHX_ &ta);
1687	TRANSFER (ta, 1);	1737	TRANSFER (ta, 1);
		1738	}
		1739
		1740	static void
		1741	api_schedule_to (pTHX_ SV *coro_sv)
		1742	{
		1743	struct coro_transfer_args ta;
		1744	struct coro *next = SvSTATE (coro_sv);
		1745
		1746	SvREFCNT_inc_NN (coro_sv);
		1747	prepare_schedule_to (aTHX_ &ta, next);
1688	}	1748	}
1689		1749
1690	static int	1750	static int
1691	api_cede (pTHX)	1751	api_cede (pTHX)
1692	{	1752	{
…		…
1721	static void	1781	static void
1722	api_trace (pTHX_ SV *coro_sv, int flags)	1782	api_trace (pTHX_ SV *coro_sv, int flags)
1723	{	1783	{
1724	struct coro *coro = SvSTATE (coro_sv);	1784	struct coro *coro = SvSTATE (coro_sv);
1725		1785
		1786	if (coro->flags & CF_RUNNING)
		1787	croak ("cannot enable tracing on a running coroutine, caught");
		1788
1726	if (flags & CC_TRACE)	1789	if (flags & CC_TRACE)
1727	{	1790	{
1728	if (!coro->cctx)	1791	if (!coro->cctx)
1729	coro->cctx = cctx_new_run ();	1792	coro->cctx = cctx_new_run ();
1730	else if (!(coro->cctx->flags & CC_TRACE))	1793	else if (!(coro->cctx->flags & CC_TRACE))
1731	croak ("cannot enable tracing on coroutine with custom stack,");	1794	croak ("cannot enable tracing on coroutine with custom stack, caught");
1732		1795
1733	coro->cctx->flags \|= CC_NOREUSE \| (flags & (CC_TRACE \| CC_TRACE_ALL));	1796	coro->cctx->flags \|= CC_NOREUSE \| (flags & (CC_TRACE \| CC_TRACE_ALL));
1734	}	1797	}
1735	else if (coro->cctx && coro->cctx->flags & CC_TRACE)	1798	else if (coro->cctx && coro->cctx->flags & CC_TRACE)
1736	{	1799	{
…		…
1741	else	1804	else
1742	coro->slot->runops = RUNOPS_DEFAULT;	1805	coro->slot->runops = RUNOPS_DEFAULT;
1743	}	1806	}
1744	}	1807	}
1745		1808
		1809	static void
		1810	coro_call_on_destroy (pTHX_ struct coro *coro)
		1811	{
		1812	SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0);
		1813	SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0);
		1814
		1815	if (on_destroyp)
		1816	{
		1817	AV on_destroy = (AV )SvRV (*on_destroyp);
		1818
		1819	while (AvFILLp (on_destroy) >= 0)
		1820	{
		1821	dSP; /* don't disturb outer sp */
		1822	SV *cb = av_pop (on_destroy);
		1823
		1824	PUSHMARK (SP);
		1825
		1826	if (statusp)
		1827	{
		1828	int i;
		1829	AV status = (AV )SvRV (*statusp);
		1830	EXTEND (SP, AvFILLp (status) + 1);
		1831
		1832	for (i = 0; i <= AvFILLp (status); ++i)
		1833	PUSHs (AvARRAY (status)[i]);
		1834	}
		1835
		1836	PUTBACK;
		1837	call_sv (sv_2mortal (cb), G_VOID \| G_DISCARD);
		1838	}
		1839	}
		1840	}
		1841
		1842	static void
		1843	slf_init_terminate (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)
		1844	{
		1845	int i;
		1846	HV hv = (HV )SvRV (coro_current);
		1847	AV *av = newAV ();
		1848
		1849	av_extend (av, items - 1);
		1850	for (i = 0; i < items; ++i)
		1851	av_push (av, SvREFCNT_inc_NN (arg [i]));
		1852
		1853	hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0);
		1854
		1855	av_push (av_destroy, (SV )newRV_inc ((SV )hv)); /* RVinc for perl */
		1856	api_ready (aTHX_ sv_manager);
		1857
		1858	frame->prepare = prepare_schedule;
		1859	frame->check = slf_check_repeat;
		1860	}
		1861
		1862	/*****************************************************************************/
		1863	/* async pool handler */
		1864
		1865	static int
		1866	slf_check_pool_handler (pTHX_ struct CoroSLF *frame)
		1867	{
		1868	HV hv = (HV )SvRV (coro_current);
		1869	struct coro coro = (struct coro )frame->data;
		1870
		1871	if (!coro->invoke_cb)
		1872	return 1; /* loop till we have invoke */
		1873	else
		1874	{
		1875	hv_store (hv, "desc", sizeof ("desc") - 1,
		1876	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
		1877
		1878	coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv);
		1879
		1880	{
		1881	dSP;
		1882	XPUSHs (sv_2mortal (coro->invoke_cb)); coro->invoke_cb = 0;
		1883	PUTBACK;
		1884	}
		1885
		1886	SvREFCNT_dec (GvAV (PL_defgv));
		1887	GvAV (PL_defgv) = coro->invoke_av;
		1888	coro->invoke_av = 0;
		1889
		1890	return 0;
		1891	}
		1892	}
		1893
		1894	static void
		1895	slf_init_pool_handler (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)
		1896	{
		1897	HV hv = (HV )SvRV (coro_current);
		1898	struct coro coro = SvSTATE_hv ((SV )hv);
		1899
		1900	if (expect_true (coro->saved_deffh))
		1901	{
		1902	/* subsequent iteration */
		1903	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;
		1904	coro->saved_deffh = 0;
		1905
		1906	if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss)
		1907	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
		1908	{
		1909	coro->invoke_cb = SvREFCNT_inc_NN ((SV *)cv_coro_terminate);
		1910	coro->invoke_av = newAV ();
		1911
		1912	frame->prepare = prepare_nop;
		1913	}
		1914	else
		1915	{
		1916	av_clear (GvAV (PL_defgv));
		1917	hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0);
		1918
		1919	coro->prio = 0;
		1920
		1921	if (coro->cctx && (coro->cctx->flags & CC_TRACE))
		1922	api_trace (aTHX_ coro_current, 0);
		1923
		1924	frame->prepare = prepare_schedule;
		1925	av_push (av_async_pool, SvREFCNT_inc (hv));
		1926	}
		1927	}
		1928	else
		1929	{
		1930	/* first iteration, simply fall through */
		1931	frame->prepare = prepare_nop;
		1932	}
		1933
		1934	frame->check = slf_check_pool_handler;
		1935	frame->data = (void *)coro;
		1936	}
		1937
1746	/*****************************************************************************/	1938	/*****************************************************************************/
1747	/* rouse callback */	1939	/* rouse callback */
1748		1940
1749	#define CORO_MAGIC_type_rouse PERL_MAGIC_ext	1941	#define CORO_MAGIC_type_rouse PERL_MAGIC_ext
1750		1942
…		…
1755	SV data = (SV )GENSUB_ARG;	1947	SV data = (SV )GENSUB_ARG;
1756		1948
1757	if (SvTYPE (SvRV (data)) != SVt_PVAV)	1949	if (SvTYPE (SvRV (data)) != SVt_PVAV)
1758	{	1950	{
1759	/* first call, set args */	1951	/* first call, set args */
1760	int i;
1761	AV *av = newAV ();	1952	AV *av = newAV ();
1762	SV *coro = SvRV (data);	1953	SV *coro = SvRV (data);
1763		1954
1764	SvRV_set (data, (SV *)av);	1955	SvRV_set (data, (SV *)av);
1765	api_ready (aTHX_ coro);	1956	api_ready (aTHX_ coro);
…		…
1906	static void	2097	static void
1907	slf_init_schedule (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)	2098	slf_init_schedule (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)
1908	{	2099	{
1909	frame->prepare = prepare_schedule;	2100	frame->prepare = prepare_schedule;
1910	frame->check = slf_check_nop;	2101	frame->check = slf_check_nop;
		2102	}
		2103
		2104	static void
		2105	slf_prepare_schedule_to (pTHX_ struct coro_transfer_args *ta)
		2106	{
		2107	struct coro next = (struct coro )slf_frame.data;
		2108
		2109	SvREFCNT_inc_NN (next->hv);
		2110	prepare_schedule_to (aTHX_ ta, next);
		2111	}
		2112
		2113	static void
		2114	slf_init_schedule_to (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)
		2115	{
		2116	if (!items)
		2117	croak ("Coro::schedule_to expects a coroutine argument, caught");
		2118
		2119	frame->data = (void *)SvSTATE (arg [0]);
		2120	frame->prepare = slf_prepare_schedule_to;
		2121	frame->check = slf_check_nop;
		2122	}
		2123
		2124	static void
		2125	slf_init_cede_to (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)
		2126	{
		2127	api_ready (aTHX_ SvRV (coro_current));
		2128
		2129	slf_init_schedule_to (aTHX_ frame, cv, arg, items);
1911	}	2130	}
1912		2131
1913	static void	2132	static void
1914	slf_init_cede (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)	2133	slf_init_cede (pTHX_ struct CoroSLF frame, CV cv, SV **arg, int items)
1915	{	2134	{
…		…
2061	}	2280	}
2062	else	2281	else
2063	slf_argc = 0;	2282	slf_argc = 0;
2064		2283
2065	PL_op->op_ppaddr = pp_slf;	2284	PL_op->op_ppaddr = pp_slf;
2066	PL_op->op_type = OP_CUSTOM; /* maybe we should leave it at entersub? */	2285	/PL_op->op_type = OP_CUSTOM; / we do behave like entersub still */
2067		2286
2068	PL_op = (OP *)&slf_restore;	2287	PL_op = (OP *)&slf_restore;
2069	}	2288	}
2070		2289
2071	/*****************************************************************************/	2290	/*****************************************************************************/
…		…
2154	SV **ary;	2373	SV **ary;
2155		2374
2156	/* unfortunately, building manually saves memory */	2375	/* unfortunately, building manually saves memory */
2157	Newx (ary, 2, SV *);	2376	Newx (ary, 2, SV *);
2158	AvALLOC (av) = ary;	2377	AvALLOC (av) = ary;
		2378	#if PERL_VERSION_ATLEAST (5,10,0)
2159	/AvARRAY (av) = ary;/	2379	AvARRAY (av) = ary;
		2380	#else
2160	SvPVX ((SV )av) = (char )ary; /* 5.8.8 needs this syntax instead of AvARRAY = ary */	2381	/* 5.8.8 needs this syntax instead of AvARRAY = ary, yet */
		2382	/* -DDEBUGGING flags this as a bug, despite it perfectly working */
		2383	SvPVX ((SV )av) = (char )ary;
		2384	#endif
2161	AvMAX (av) = 1;	2385	AvMAX (av) = 1;
2162	AvFILLp (av) = 0;	2386	AvFILLp (av) = 0;
2163	ary [0] = newSViv (count);	2387	ary [0] = newSViv (count);
2164		2388
2165	return newRV_noinc ((SV *)av);	2389	return newRV_noinc ((SV *)av);
…		…
2294	{	2518	{
2295	if (items >= 2)	2519	if (items >= 2)
2296	{	2520	{
2297	/* callback form */	2521	/* callback form */
2298	AV av = (AV )SvRV (arg [0]);	2522	AV av = (AV )SvRV (arg [0]);
2299	CV *cb_cv = coro_sv_2cv (arg [1]);	2523	CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]);
2300		2524
2301	av_push (av, (SV *)SvREFCNT_inc_NN (cb_cv));	2525	av_push (av, (SV *)SvREFCNT_inc_NN (cb_cv));
2302		2526
2303	if (SvIVX (AvARRAY (av)[0]) > 0)	2527	if (SvIVX (AvARRAY (av)[0]) > 0)
2304	coro_semaphore_adjust (aTHX_ av, 0);	2528	coro_semaphore_adjust (aTHX_ av, 0);
…		…
2390	dXSARGS;	2614	dXSARGS;
2391	AV state = (AV )GENSUB_ARG;	2615	AV state = (AV )GENSUB_ARG;
2392	SV *coro = av_pop (state);	2616	SV *coro = av_pop (state);
2393	SV *data_sv = newSV (sizeof (struct io_state));	2617	SV *data_sv = newSV (sizeof (struct io_state));
2394		2618
2395	av_extend (state, items);	2619	av_extend (state, items - 1);
2396		2620
2397	sv_upgrade (data_sv, SVt_PV);	2621	sv_upgrade (data_sv, SVt_PV);
2398	SvCUR_set (data_sv, sizeof (struct io_state));	2622	SvCUR_set (data_sv, sizeof (struct io_state));
2399	SvPOK_only (data_sv);	2623	SvPOK_only (data_sv);
2400		2624
…		…
2535	XSRETURN_EMPTY;	2759	XSRETURN_EMPTY;
2536	}	2760	}
2537		2761
2538	/*****************************************************************************/	2762	/*****************************************************************************/
2539		2763
		2764	#if CORO_CLONE
		2765	# include "clone.c"
		2766	#endif
		2767
2540	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	2768	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
2541		2769
2542	PROTOTYPES: DISABLE	2770	PROTOTYPES: DISABLE
2543		2771
2544	BOOT:	2772	BOOT:
…		…
2548	coro_thx = PERL_GET_CONTEXT;	2776	coro_thx = PERL_GET_CONTEXT;
2549	# endif	2777	# endif
2550	#endif	2778	#endif
2551	BOOT_PAGESIZE;	2779	BOOT_PAGESIZE;
2552		2780
		2781	cctx_current = cctx_new_empty ();
		2782
2553	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);	2783	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
2554	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);	2784	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
2555		2785
2556	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;	2786	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;
2557	orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;	2787	orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;
…		…
2576		2806
2577	{	2807	{
2578	SV *slf = sv_2mortal (newSViv (PTR2IV (pp_slf)));	2808	SV *slf = sv_2mortal (newSViv (PTR2IV (pp_slf)));
2579		2809
2580	if (!PL_custom_op_names) PL_custom_op_names = newHV ();	2810	if (!PL_custom_op_names) PL_custom_op_names = newHV ();
2581	hv_store_ent (PL_custom_op_names, slf,	2811	hv_store_ent (PL_custom_op_names, slf, newSVpv ("coro_slf", 0), 0);
2582	newSVpv ("coro_slf", 0), 0);
2583		2812
2584	if (!PL_custom_op_descs) PL_custom_op_descs = newHV ();	2813	if (!PL_custom_op_descs) PL_custom_op_descs = newHV ();
2585	hv_store_ent (PL_custom_op_descs, slf,	2814	hv_store_ent (PL_custom_op_descs, slf, newSVpv ("coro schedule like function", 0), 0);
2586	newSVpv ("coro schedule like function", 0), 0);
2587	}	2815	}
2588		2816
2589	coroapi.ver = CORO_API_VERSION;	2817	coroapi.ver = CORO_API_VERSION;
2590	coroapi.rev = CORO_API_REVISION;	2818	coroapi.rev = CORO_API_REVISION;
2591		2819
…		…
2610	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	2838	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
2611	}	2839	}
2612		2840
2613	SV *	2841	SV *
2614	new (char *klass, ...)	2842	new (char *klass, ...)
		2843	ALIAS:
		2844	Coro::new = 1
2615	CODE:	2845	CODE:
2616	{	2846	{
2617	struct coro *coro;	2847	struct coro *coro;
2618	MAGIC *mg;	2848	MAGIC *mg;
2619	HV *hv;	2849	HV *hv;
2620	CV *cb;	2850	CV *cb;
2621	int i;	2851	int i;
2622		2852
2623	if (items > 1)	2853	if (items > 1)
2624	{	2854	{
2625	cb = coro_sv_2cv (ST (1));	2855	cb = coro_sv_2cv (aTHX_ ST (1));
2626		2856
		2857	if (!ix)
		2858	{
2627	if (CvISXSUB (cb))	2859	if (CvISXSUB (cb))
2628	croak ("Coro::State doesn't support XS functions as coroutine start, caught");	2860	croak ("Coro::State doesn't support XS functions as coroutine start, caught");
2629		2861
2630	if (!CvROOT (cb))	2862	if (!CvROOT (cb))
2631	croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught");	2863	croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught");
		2864	}
2632	}	2865	}
2633		2866
2634	Newz (0, coro, 1, struct coro);	2867	Newz (0, coro, 1, struct coro);
2635	coro->args = newAV ();	2868	coro->args = newAV ();
2636	coro->flags = CF_NEW;	2869	coro->flags = CF_NEW;
…		…
2644	mg->mg_flags \|= MGf_DUP;	2877	mg->mg_flags \|= MGf_DUP;
2645	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	2878	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
2646		2879
2647	if (items > 1)	2880	if (items > 1)
2648	{	2881	{
2649	coro->startcv = SvREFCNT_inc_NN (cb);
2650
2651	av_extend (coro->args, items - 1);	2882	av_extend (coro->args, items - 1 + ix - 1);
		2883
		2884	if (ix)
		2885	{
2652	av_push (coro->args, SvREFCNT_inc (cb));	2886	av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb));
		2887	cb = cv_coro_run;
		2888	}
		2889
		2890	coro->startcv = (CV )SvREFCNT_inc_NN ((SV )cb);
		2891
2653	for (i = 2; i < items; i++)	2892	for (i = 2; i < items; i++)
2654	av_push (coro->args, newSVsv (ST (i)));	2893	av_push (coro->args, newSVsv (ST (i)));
2655	}	2894	}
2656	}	2895	}
2657	OUTPUT:	2896	OUTPUT:
…		…
2673	void	2912	void
2674	_exit (int code)	2913	_exit (int code)
2675	PROTOTYPE: $	2914	PROTOTYPE: $
2676	CODE:	2915	CODE:
2677	_exit (code);	2916	_exit (code);
		2917
		2918	SV *
		2919	clone (Coro::State coro)
		2920	CODE:
		2921	{
		2922	#if CORO_CLONE
		2923	struct coro *ncoro = coro_clone (coro);
		2924	MAGIC *mg;
		2925	/* TODO: too much duplication */
		2926	ncoro->hv = newHV ();
		2927	mg = sv_magicext ((SV )ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char )ncoro, 0);
		2928	mg->mg_flags \|= MGf_DUP;
		2929	RETVAL = sv_bless (newRV_noinc ((SV *)ncoro->hv), SvSTASH (coro->hv));
		2930	#else
		2931	croak ("Coro::State->clone has not been configured into this installation of Coro, realised");
		2932	#endif
		2933	}
		2934	OUTPUT:
		2935	RETVAL
2678		2936
2679	int	2937	int
2680	cctx_stacksize (int new_stacksize = 0)	2938	cctx_stacksize (int new_stacksize = 0)
2681	PROTOTYPE: ;$	2939	PROTOTYPE: ;$
2682	CODE:	2940	CODE:
…		…
2803		3061
2804	SV *	3062	SV *
2805	has_cctx (Coro::State coro)	3063	has_cctx (Coro::State coro)
2806	PROTOTYPE: $	3064	PROTOTYPE: $
2807	CODE:	3065	CODE:
2808	RETVAL = boolSV (!!coro->cctx);	3066	/* maybe manage the running flag differently */
		3067	RETVAL = boolSV (!!coro->cctx \|\| (coro->flags & CF_RUNNING));
2809	OUTPUT:	3068	OUTPUT:
2810	RETVAL	3069	RETVAL
2811		3070
2812	int	3071	int
2813	is_traced (Coro::State coro)	3072	is_traced (Coro::State coro)
…		…
2833		3092
2834	void	3093	void
2835	force_cctx ()	3094	force_cctx ()
2836	PROTOTYPE:	3095	PROTOTYPE:
2837	CODE:	3096	CODE:
2838	SvSTATE_current->cctx->idle_sp = 0;	3097	cctx_current->idle_sp = 0;
2839		3098
2840	void	3099	void
2841	swap_defsv (Coro::State self)	3100	swap_defsv (Coro::State self)
2842	PROTOTYPE: $	3101	PROTOTYPE: $
2843	ALIAS:	3102	ALIAS:
…		…
2858		3117
2859	BOOT:	3118	BOOT:
2860	{	3119	{
2861	int i;	3120	int i;
2862		3121
2863	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
2864	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);	3122	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
2865	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);	3123	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
2866		3124	cv_coro_run = get_cv ( "Coro::_terminate", GV_ADD);
		3125	cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD);
2867	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);	3126	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);
2868	SvREADONLY_on (coro_current);	3127	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
		3128	av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE);
		3129	sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE);
		3130	sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE);
		3131
		3132	sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle);
		3133	sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro);
		3134	cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler);
		3135	cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new);
2869		3136
2870	coro_stash = gv_stashpv ("Coro", TRUE);	3137	coro_stash = gv_stashpv ("Coro", TRUE);
2871		3138
2872	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	3139	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
2873	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	3140	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
…		…
2881		3148
2882	{	3149	{
2883	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);	3150	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);
2884		3151
2885	coroapi.schedule = api_schedule;	3152	coroapi.schedule = api_schedule;
		3153	coroapi.schedule_to = api_schedule_to;
2886	coroapi.cede = api_cede;	3154	coroapi.cede = api_cede;
2887	coroapi.cede_notself = api_cede_notself;	3155	coroapi.cede_notself = api_cede_notself;
2888	coroapi.ready = api_ready;	3156	coroapi.ready = api_ready;
2889	coroapi.is_ready = api_is_ready;	3157	coroapi.is_ready = api_is_ready;
2890	coroapi.nready = coro_nready;	3158	coroapi.nready = coro_nready;
…		…
2895	SvREADONLY_on (sv);	3163	SvREADONLY_on (sv);
2896	}	3164	}
2897	}	3165	}
2898		3166
2899	void	3167	void
		3168	terminate (...)
		3169	CODE:
		3170	CORO_EXECUTE_SLF_XS (slf_init_terminate);
		3171
		3172	void
2900	schedule (...)	3173	schedule (...)
2901	CODE:	3174	CODE:
2902	CORO_EXECUTE_SLF_XS (slf_init_schedule);	3175	CORO_EXECUTE_SLF_XS (slf_init_schedule);
		3176
		3177	void
		3178	schedule_to (...)
		3179	CODE:
		3180	CORO_EXECUTE_SLF_XS (slf_init_schedule_to);
		3181
		3182	void
		3183	cede_to (...)
		3184	CODE:
		3185	CORO_EXECUTE_SLF_XS (slf_init_cede_to);
2903		3186
2904	void	3187	void
2905	cede (...)	3188	cede (...)
2906	CODE:	3189	CODE:
2907	CORO_EXECUTE_SLF_XS (slf_init_cede);	3190	CORO_EXECUTE_SLF_XS (slf_init_cede);
2908		3191
2909	void	3192	void
2910	cede_notself (...)	3193	cede_notself (...)
2911	CODE:	3194	CODE:
2912	CORO_EXECUTE_SLF_XS (slf_init_cede_notself);	3195	CORO_EXECUTE_SLF_XS (slf_init_cede_notself);
		3196
		3197	void
		3198	_cancel (Coro::State self)
		3199	CODE:
		3200	coro_state_destroy (aTHX_ self);
		3201	coro_call_on_destroy (aTHX_ self);
2913		3202
2914	void	3203	void
2915	_set_current (SV *current)	3204	_set_current (SV *current)
2916	PROTOTYPE: $	3205	PROTOTYPE: $
2917	CODE:	3206	CODE:
…		…
2962	CODE:	3251	CODE:
2963	RETVAL = coro_nready;	3252	RETVAL = coro_nready;
2964	OUTPUT:	3253	OUTPUT:
2965	RETVAL	3254	RETVAL
2966		3255
2967	# for async_pool speedup
2968	void	3256	void
2969	_pool_1 (SV *cb)	3257	_pool_handler (...)
2970	CODE:	3258	CODE:
2971	{	3259	CORO_EXECUTE_SLF_XS (slf_init_pool_handler);
2972	HV hv = (HV )SvRV (coro_current);
2973	struct coro coro = SvSTATE_hv ((SV )hv);
2974	AV *defav = GvAV (PL_defgv);
2975	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
2976	AV *invoke_av;
2977	int i, len;
2978		3260
2979	if (!invoke)	3261	void
		3262	async_pool (SV *cv, ...)
		3263	PROTOTYPE: &@
		3264	PPCODE:
		3265	{
		3266	HV hv = (HV )av_pop (av_async_pool);
		3267	AV *av = newAV ();
		3268	SV *cb = ST (0);
		3269	int i;
		3270
		3271	av_extend (av, items - 2);
		3272	for (i = 1; i < items; ++i)
		3273	av_push (av, SvREFCNT_inc_NN (ST (i)));
		3274
		3275	if ((SV *)hv == &PL_sv_undef)
2980	{	3276	{
2981	SV *old = PL_diehook;	3277	PUSHMARK (SP);
2982	PL_diehook = 0;	3278	EXTEND (SP, 2);
2983	SvREFCNT_dec (old);	3279	PUSHs (sv_Coro);
2984	croak ("\3async_pool terminate\2\n");	3280	PUSHs ((SV *)cv_pool_handler);
		3281	PUTBACK;
		3282	call_sv ((SV *)cv_coro_state_new, G_SCALAR);
		3283	SPAGAIN;
		3284
		3285	hv = (HV *)SvREFCNT_inc_NN (SvRV (POPs));
2985	}	3286	}
2986		3287
2987	SvREFCNT_dec (coro->saved_deffh);
2988	coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv);
2989
2990	hv_store (hv, "desc", sizeof ("desc") - 1,
2991	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
2992
2993	invoke_av = (AV *)SvRV (invoke);
2994	len = av_len (invoke_av);
2995
2996	sv_setsv (cb, AvARRAY (invoke_av)[0]);
2997
2998	if (len > 0)
2999	{	3288	{
3000	av_fill (defav, len - 1);	3289	struct coro *coro = SvSTATE_hv (hv);
3001	for (i = 0; i < len; ++i)	3290
3002	av_store (defav, i, SvREFCNT_inc_NN (AvARRAY (invoke_av)[i + 1]));	3291	assert (!coro->invoke_cb);
		3292	assert (!coro->invoke_av);
		3293	coro->invoke_cb = SvREFCNT_inc (cb);
		3294	coro->invoke_av = av;
3003	}	3295	}
3004	}
3005		3296
3006	void	3297	api_ready (aTHX_ (SV *)hv);
3007	_pool_2 (SV *cb)
3008	CODE:
3009	{
3010	HV hv = (HV )SvRV (coro_current);
3011	struct coro coro = SvSTATE_hv ((SV )hv);
3012		3298
3013	sv_setsv (cb, &PL_sv_undef);	3299	if (GIMME_V != G_VOID)
3014		3300	XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv)));
3015	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;	3301	else
3016	coro->saved_deffh = 0;
3017
3018	if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss)
3019	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
3020	{
3021	SV *old = PL_diehook;
3022	PL_diehook = 0;
3023	SvREFCNT_dec (old);	3302	SvREFCNT_dec (hv);
3024	croak ("\3async_pool terminate\2\n");
3025	}
3026
3027	av_clear (GvAV (PL_defgv));
3028	hv_store (hv, "desc", sizeof ("desc") - 1,
3029	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
3030
3031	coro->prio = 0;
3032
3033	if (coro->cctx && (coro->cctx->flags & CC_TRACE))
3034	api_trace (aTHX_ coro_current, 0);
3035
3036	av_push (av_async_pool, newSVsv (coro_current));
3037	}	3303	}
3038		3304
3039	SV *	3305	SV *
3040	rouse_cb ()	3306	rouse_cb ()
3041	PROTOTYPE:	3307	PROTOTYPE:
…		…
3215		3481
3216	void	3482	void
3217	_register (char target, char proto, SV *req)	3483	_register (char target, char proto, SV *req)
3218	CODE:	3484	CODE:
3219	{	3485	{
3220	CV *req_cv = coro_sv_2cv (req);	3486	CV *req_cv = coro_sv_2cv (aTHX_ req);
3221	/* newXSproto doesn't return the CV on 5.8 */	3487	/* newXSproto doesn't return the CV on 5.8 */
3222	CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__);	3488	CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__);
3223	sv_setpv ((SV *)slf_cv, proto);	3489	sv_setpv ((SV *)slf_cv, proto);
3224	sv_magicext ((SV )slf_cv, (SV )req_cv, CORO_MAGIC_type_aio, 0, 0, 0);	3490	sv_magicext ((SV )slf_cv, (SV )req_cv, CORO_MAGIC_type_aio, 0, 0, 0);
3225	}	3491	}

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Comparing Coro/Coro/State.xs (file contents): Revision 1.307 by root, Wed Nov 19 14:34:46 2008 UTC vs. Revision 1.331 by root, Thu Nov 27 12:00:59 2008 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.307 by root, Wed Nov 19 14:34:46 2008 UTC vs.
Revision 1.331 by root, Thu Nov 27 12:00:59 2008 UTC