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/cvs/Coro/Coro/State.xs

Comparing Coro/Coro/State.xs (file contents):
Revision 1.304 by root, Wed Nov 19 08:22:48 2008 UTC vs.
Revision 1.328 by root, Tue Nov 25 09:49:43 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
…		…
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
…		…
246	/* state data */	265	/* state data */
247	struct CoroSLF slf_frame; /* saved slf frame */	266	struct CoroSLF slf_frame; /* saved slf frame */
248	AV *mainstack;	267	AV *mainstack;
249	perl_slots *slot; /* basically the saved sp */	268	perl_slots *slot; /* basically the saved sp */
250		269
		270	CV *startcv; /* the CV to execute */
251	AV *args; /* data associated with this coroutine (initial args) */	271	AV *args; /* data associated with this coroutine (initial args) */
252	int refcnt; /* coroutines are refcounted, yes */	272	int refcnt; /* coroutines are refcounted, yes */
253	int flags; /* CF_ flags */	273	int flags; /* CF_ flags */
254	HV *hv; /* the perl hash associated with this coro, if any */	274	HV *hv; /* the perl hash associated with this coro, if any */
255	void (*on_destroy)(pTHX_ struct coro *coro);	275	void (*on_destroy)(pTHX_ struct coro *coro);
256		276
257	/* statistics */	277	/* statistics */
258	int usecount; /* number of transfers to this coro */	278	int usecount; /* number of transfers to this coro */
259		279
…		…
262	SV *except; /* exception to be thrown */	282	SV *except; /* exception to be thrown */
263	SV *rouse_cb;	283	SV *rouse_cb;
264		284
265	/* async_pool */	285	/* async_pool */
266	SV *saved_deffh;	286	SV *saved_deffh;
		287	SV *invoke_cb;
		288	AV *invoke_av;
267		289
268	/* linked list */	290	/* linked list */
269	struct coro *next, *prev;	291	struct coro *next, *prev;
270	};	292	};
271		293
…		…
288		310
289	/* for Coro.pm */	311	/* for Coro.pm */
290	static SV *coro_current;	312	static SV *coro_current;
291	static SV *coro_readyhook;	313	static SV *coro_readyhook;
292	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;
293	static struct coro *coro_first;	316	static struct coro *coro_first;
294	#define coro_nready coroapi.nready	317	#define coro_nready coroapi.nready
295		318
296	/** lowlevel stuff **********************************************************/	319	/** lowlevel stuff **********************************************************/
297		320
…		…
323	get_hv (name, create);	346	get_hv (name, create);
324	#endif	347	#endif
325	return get_hv (name, create);	348	return get_hv (name, create);
326	}	349	}
327		350
		351	/* may croak */
		352	INLINE CV *
		353	coro_sv_2cv (pTHX_ SV *sv)
		354	{
		355	HV *st;
		356	GV *gvp;
		357	return sv_2cv (sv, &st, &gvp, 0);
		358	}
		359
328	static AV *	360	static AV *
329	coro_clone_padlist (pTHX_ CV *cv)	361	coro_derive_padlist (pTHX_ CV *cv)
330	{	362	{
331	AV *padlist = CvPADLIST (cv);	363	AV *padlist = CvPADLIST (cv);
332	AV *newpadlist, *newpad;	364	AV *newpadlist, *newpad;
333		365
334	newpadlist = newAV ();	366	newpadlist = newAV ();
…		…
449	else	481	else
450	{	482	{
451	#if CORO_PREFER_PERL_FUNCTIONS	483	#if CORO_PREFER_PERL_FUNCTIONS
452	/* this is probably cleaner? but also slower! */	484	/* this is probably cleaner? but also slower! */
453	/* in practise, it seems to be less stable */	485	/* in practise, it seems to be less stable */
454	CV *cp = Perl_cv_clone (cv);	486	CV *cp = Perl_cv_clone (aTHX_ cv);
455	CvPADLIST (cv) = CvPADLIST (cp);	487	CvPADLIST (cv) = CvPADLIST (cp);
456	CvPADLIST (cp) = 0;	488	CvPADLIST (cp) = 0;
457	SvREFCNT_dec (cp);	489	SvREFCNT_dec (cp);
458	#else	490	#else
459	CvPADLIST (cv) = coro_clone_padlist (aTHX_ cv);	491	CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv);
460	#endif	492	#endif
461	}	493	}
462	}	494	}
463		495
464	static void	496	static void
…		…
486	perl_slots *slot = c->slot;	518	perl_slots *slot = c->slot;
487	c->slot = 0;	519	c->slot = 0;
488		520
489	PL_mainstack = c->mainstack;	521	PL_mainstack = c->mainstack;
490		522
491	GvSV (PL_defgv) = slot->defsv;	523	GvSV (PL_defgv) = slot->defsv;
492	GvAV (PL_defgv) = slot->defav;	524	GvAV (PL_defgv) = slot->defav;
493	GvSV (PL_errgv) = slot->errsv;	525	GvSV (PL_errgv) = slot->errsv;
494	GvSV (irsgv) = slot->irsgv;	526	GvSV (irsgv) = slot->irsgv;
		527	GvHV (PL_hintgv) = slot->hinthv;
495		528
496	#define VAR(name,type) PL_ ## name = slot->name;	529	#define VAR(name,type) PL_ ## name = slot->name;
497	# include "state.h"	530	# include "state.h"
498	#undef VAR	531	#undef VAR
499		532
…		…
585	c->mainstack = PL_mainstack;	618	c->mainstack = PL_mainstack;
586		619
587	{	620	{
588	perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1);	621	perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1);
589		622
590	slot->defav = GvAV (PL_defgv);	623	slot->defav = GvAV (PL_defgv);
591	slot->defsv = DEFSV;	624	slot->defsv = DEFSV;
592	slot->errsv = ERRSV;	625	slot->errsv = ERRSV;
593	slot->irsgv = GvSV (irsgv);	626	slot->irsgv = GvSV (irsgv);
		627	slot->hinthv = GvHV (PL_hintgv);
594		628
595	#define VAR(name,type) slot->name = PL_ ## name;	629	#define VAR(name,type) slot->name = PL_ ## name;
596	# include "state.h"	630	# include "state.h"
597	#undef VAR	631	#undef VAR
598	}	632	}
…		…
603	* of perl.c:init_stacks, except that it uses less memory	637	* of perl.c:init_stacks, except that it uses less memory
604	* on the (sometimes correct) assumption that coroutines do	638	* on the (sometimes correct) assumption that coroutines do
605	* not usually need a lot of stackspace.	639	* not usually need a lot of stackspace.
606	*/	640	*/
607	#if CORO_PREFER_PERL_FUNCTIONS	641	#if CORO_PREFER_PERL_FUNCTIONS
608	# define coro_init_stacks init_stacks	642	# define coro_init_stacks(thx) init_stacks ()
609	#else	643	#else
610	static void	644	static void
611	coro_init_stacks (pTHX)	645	coro_init_stacks (pTHX)
612	{	646	{
613	PL_curstackinfo = new_stackinfo(32, 8);	647	PL_curstackinfo = new_stackinfo(32, 8);
…		…
676	#if !PERL_VERSION_ATLEAST (5,10,0)	710	#if !PERL_VERSION_ATLEAST (5,10,0)
677	Safefree (PL_retstack);	711	Safefree (PL_retstack);
678	#endif	712	#endif
679	}	713	}
680		714
		715	#define CORO_RSS \
		716	rss += sizeof (SYM (curstackinfo)); \
		717	rss += (SYM (curstackinfo->si_cxmax) + 1) * sizeof (PERL_CONTEXT); \
		718	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (SYM (curstack))) * sizeof (SV *); \
		719	rss += SYM (tmps_max) * sizeof (SV *); \
		720	rss += (SYM (markstack_max) - SYM (markstack_ptr)) * sizeof (I32); \
		721	rss += SYM (scopestack_max) * sizeof (I32); \
		722	rss += SYM (savestack_max) * sizeof (ANY);
		723
681	static size_t	724	static size_t
682	coro_rss (pTHX_ struct coro *coro)	725	coro_rss (pTHX_ struct coro *coro)
683	{	726	{
684	size_t rss = sizeof (*coro);	727	size_t rss = sizeof (*coro);
685		728
686	if (coro->mainstack)	729	if (coro->mainstack)
687	{	730	{
688	perl_slots tmp_slot;
689	perl_slots *slot;
690
691	if (coro->flags & CF_RUNNING)	731	if (coro->flags & CF_RUNNING)
692	{	732	{
693	slot = &tmp_slot;	733	#define SYM(sym) PL_ ## sym
694		734	CORO_RSS;
695	#define VAR(name,type) slot->name = PL_ ## name;
696	# include "state.h"
697	#undef VAR	735	#undef SYM
698	}	736	}
699	else	737	else
700	slot = coro->slot;
701
702	if (slot)
703	{	738	{
704	rss += sizeof (slot->curstackinfo);	739	#define SYM(sym) coro->slot->sym
705	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);	740	CORO_RSS;
706	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);	741	#undef SYM
707	rss += slot->tmps_max * sizeof (SV *);
708	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
709	rss += slot->scopestack_max * sizeof (I32);
710	rss += slot->savestack_max * sizeof (ANY);
711
712	#if !PERL_VERSION_ATLEAST (5,10,0)
713	rss += slot->retstack_max * sizeof (OP *);
714	#endif
715	}	742	}
716	}	743	}
717		744
718	return rss;	745	return rss;
719	}	746	}
…		…
821	slf_check_nop (pTHX_ struct CoroSLF *frame)	848	slf_check_nop (pTHX_ struct CoroSLF *frame)
822	{	849	{
823	return 0;	850	return 0;
824	}	851	}
825		852
		853	static int
		854	slf_check_repeat (pTHX_ struct CoroSLF *frame)
		855	{
		856	return 1;
		857	}
		858
826	static UNOP coro_setup_op;	859	static UNOP coro_setup_op;
827		860
828	static void NOINLINE /* noinline to keep it out of the transfer fast path */	861	static void NOINLINE /* noinline to keep it out of the transfer fast path */
829	coro_setup (pTHX_ struct coro *coro)	862	coro_setup (pTHX_ struct coro *coro)
830	{	863	{
…		…
835		868
836	PL_runops = RUNOPS_DEFAULT;	869	PL_runops = RUNOPS_DEFAULT;
837	PL_curcop = &PL_compiling;	870	PL_curcop = &PL_compiling;
838	PL_in_eval = EVAL_NULL;	871	PL_in_eval = EVAL_NULL;
839	PL_comppad = 0;	872	PL_comppad = 0;
		873	PL_comppad_name = 0;
		874	PL_comppad_name_fill = 0;
		875	PL_comppad_name_floor = 0;
840	PL_curpm = 0;	876	PL_curpm = 0;
841	PL_curpad = 0;	877	PL_curpad = 0;
842	PL_localizing = 0;	878	PL_localizing = 0;
843	PL_dirty = 0;	879	PL_dirty = 0;
844	PL_restartop = 0;	880	PL_restartop = 0;
845	#if PERL_VERSION_ATLEAST (5,10,0)	881	#if PERL_VERSION_ATLEAST (5,10,0)
846	PL_parser = 0;	882	PL_parser = 0;
847	#endif	883	#endif
		884	PL_hints = 0;
848		885
849	/* recreate the die/warn hooks */	886	/* recreate the die/warn hooks */
850	PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook );	887	PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook );
851	PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook);	888	PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook);
852		889
853	GvSV (PL_defgv) = newSV (0);	890	GvSV (PL_defgv) = newSV (0);
854	GvAV (PL_defgv) = coro->args; coro->args = 0;	891	GvAV (PL_defgv) = coro->args; coro->args = 0;
855	GvSV (PL_errgv) = newSV (0);	892	GvSV (PL_errgv) = newSV (0);
856	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);	893	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
		894	GvHV (PL_hintgv) = 0;
857	PL_rs = newSVsv (GvSV (irsgv));	895	PL_rs = newSVsv (GvSV (irsgv));
858	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);	896	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);
859		897
860	{	898	{
861	dSP;	899	dSP;
862	UNOP myop;	900	UNOP myop;
863		901
864	Zero (&myop, 1, UNOP);	902	Zero (&myop, 1, UNOP);
865	myop.op_next = Nullop;	903	myop.op_next = Nullop;
		904	myop.op_type = OP_ENTERSUB;
866	myop.op_flags = OPf_WANT_VOID;	905	myop.op_flags = OPf_WANT_VOID;
867		906
868	PUSHMARK (SP);	907	PUSHMARK (SP);
869	XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv))));	908	PUSHs ((SV *)coro->startcv);
870	PUTBACK;	909	PUTBACK;
871	PL_op = (OP *)&myop;	910	PL_op = (OP *)&myop;
872	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	911	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
873	SPAGAIN;
874	}	912	}
875		913
876	/* this newly created coroutine might be run on an existing cctx which most	914	/* this newly created coroutine might be run on an existing cctx which most
877	* likely was suspended in pp_slf, so we have to emulate entering pp_slf here.	915	* likely was suspended in pp_slf, so we have to emulate entering pp_slf here.
878	*/	916	*/
879	slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */	917	slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */
880	slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */	918	slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */
881		919
882	/* and we have to provide the pp_slf op in any case, so pp_slf can skip it */	920	/* and we have to provide the pp_slf op in any case, so pp_slf can skip it */
883	coro_setup_op.op_next = PL_op;	921	coro_setup_op.op_next = PL_op;
884	coro_setup_op.op_type = OP_CUSTOM;	922	coro_setup_op.op_type = OP_ENTERSUB;
885	coro_setup_op.op_ppaddr = pp_slf;	923	coro_setup_op.op_ppaddr = pp_slf;
886	/* no flags required, as an init function won't be called */	924	/* no flags etc. required, as an init function won't be called */
887		925
888	PL_op = (OP *)&coro_setup_op;	926	PL_op = (OP *)&coro_setup_op;
889		927
890	/* copy throw, in case it was set before coro_setup */	928	/* copy throw, in case it was set before coro_setup */
891	CORO_THROW = coro->except;	929	CORO_THROW = coro->except;
…		…
915	SvREFCNT_dec (GvAV (PL_defgv));	953	SvREFCNT_dec (GvAV (PL_defgv));
916	SvREFCNT_dec (GvSV (PL_errgv));	954	SvREFCNT_dec (GvSV (PL_errgv));
917	SvREFCNT_dec (PL_defoutgv);	955	SvREFCNT_dec (PL_defoutgv);
918	SvREFCNT_dec (PL_rs);	956	SvREFCNT_dec (PL_rs);
919	SvREFCNT_dec (GvSV (irsgv));	957	SvREFCNT_dec (GvSV (irsgv));
		958	SvREFCNT_dec (GvHV (PL_hintgv));
920		959
921	SvREFCNT_dec (PL_diehook);	960	SvREFCNT_dec (PL_diehook);
922	SvREFCNT_dec (PL_warnhook);	961	SvREFCNT_dec (PL_warnhook);
923		962
924	SvREFCNT_dec (CORO_THROW);
925	SvREFCNT_dec (coro->saved_deffh);	963	SvREFCNT_dec (coro->saved_deffh);
926	SvREFCNT_dec (coro->rouse_cb);	964	SvREFCNT_dec (coro->rouse_cb);
		965	SvREFCNT_dec (coro->invoke_cb);
		966	SvREFCNT_dec (coro->invoke_av);
927		967
928	coro_destruct_stacks (aTHX);	968	coro_destruct_stacks (aTHX);
929	}	969	}
930		970
931	INLINE void	971	INLINE void
…		…
941	static int	981	static int
942	runops_trace (pTHX)	982	runops_trace (pTHX)
943	{	983	{
944	COP *oldcop = 0;	984	COP *oldcop = 0;
945	int oldcxix = -2;	985	int oldcxix = -2;
946	struct coro *coro = SvSTATE_current; /* trace cctx is tied to specific coro */
947	coro_cctx *cctx = coro->cctx;
948		986
949	while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))	987	while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))
950	{	988	{
951	PERL_ASYNC_CHECK ();	989	PERL_ASYNC_CHECK ();
952		990
953	if (cctx->flags & CC_TRACE_ALL)	991	if (cctx_current->flags & CC_TRACE_ALL)
954	{	992	{
955	if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB)	993	if (PL_op->op_type == OP_LEAVESUB && cctx_current->flags & CC_TRACE_SUB)
956	{	994	{
957	PERL_CONTEXT *cx = &cxstack[cxstack_ix];	995	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
958	SV **bot, **top;	996	SV **bot, **top;
959	AV *av = newAV (); /* return values */	997	AV *av = newAV (); /* return values */
960	SV **cb;	998	SV **cb;
…		…
997		1035
998	if (PL_curcop != &PL_compiling)	1036	if (PL_curcop != &PL_compiling)
999	{	1037	{
1000	SV **cb;	1038	SV **cb;
1001		1039
1002	if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB)	1040	if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB)
1003	{	1041	{
1004	PERL_CONTEXT *cx = &cxstack[cxstack_ix];	1042	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
1005		1043
1006	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)	1044	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)
1007	{	1045	{
1008	runops_proc_t old_runops = PL_runops;
1009	dSP;	1046	dSP;
1010	GV *gv = CvGV (cx->blk_sub.cv);	1047	GV *gv = CvGV (cx->blk_sub.cv);
1011	SV *fullname = sv_2mortal (newSV (0));	1048	SV *fullname = sv_2mortal (newSV (0));
1012		1049
1013	if (isGV (gv))	1050	if (isGV (gv))
…		…
1018	SAVETMPS;	1055	SAVETMPS;
1019	EXTEND (SP, 3);	1056	EXTEND (SP, 3);
1020	PUSHMARK (SP);	1057	PUSHMARK (SP);
1021	PUSHs (&PL_sv_yes);	1058	PUSHs (&PL_sv_yes);
1022	PUSHs (fullname);	1059	PUSHs (fullname);
1023	PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);	1060	PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
1024	PUTBACK;	1061	PUTBACK;
1025	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);	1062	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
1026	if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);	1063	if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
1027	SPAGAIN;	1064	SPAGAIN;
1028	FREETMPS;	1065	FREETMPS;
…		…
1031	}	1068	}
1032		1069
1033	oldcxix = cxstack_ix;	1070	oldcxix = cxstack_ix;
1034	}	1071	}
1035		1072
1036	if (cctx->flags & CC_TRACE_LINE)	1073	if (cctx_current->flags & CC_TRACE_LINE)
1037	{	1074	{
1038	dSP;	1075	dSP;
1039		1076
1040	PL_runops = RUNOPS_DEFAULT;	1077	PL_runops = RUNOPS_DEFAULT;
1041	ENTER;	1078	ENTER;
…		…
1060		1097
1061	TAINT_NOT;	1098	TAINT_NOT;
1062	return 0;	1099	return 0;
1063	}	1100	}
1064		1101
1065	static struct coro_cctx *cctx_ssl_cctx;
1066	static struct CoroSLF cctx_ssl_frame;	1102	static struct CoroSLF cctx_ssl_frame;
1067		1103
1068	static void	1104	static void
1069	slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta)	1105	slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta)
1070	{	1106	{
1071	ta->prev = (struct coro *)cctx_ssl_cctx;
1072	ta->next = 0;	1107	ta->prev = 0;
1073	}	1108	}
1074		1109
1075	static int	1110	static int
1076	slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame)	1111	slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame)
1077	{	1112	{
…		…
1080	return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */	1115	return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */
1081	}	1116	}
1082		1117
1083	/* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */	1118	/* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */
1084	static void NOINLINE	1119	static void NOINLINE
1085	cctx_prepare (pTHX_ coro_cctx *cctx)	1120	cctx_prepare (pTHX)
1086	{	1121	{
1087	PL_top_env = &PL_start_env;	1122	PL_top_env = &PL_start_env;
1088		1123
1089	if (cctx->flags & CC_TRACE)	1124	if (cctx_current->flags & CC_TRACE)
1090	PL_runops = runops_trace;	1125	PL_runops = runops_trace;
1091		1126
1092	/* we already must be executing an SLF op, there is no other valid way	1127	/* we already must be executing an SLF op, there is no other valid way
1093	* that can lead to creation of a new cctx */	1128	* that can lead to creation of a new cctx */
1094	assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)",	1129	assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)",
1095	slf_frame.prepare && PL_op->op_ppaddr == pp_slf));	1130	slf_frame.prepare && PL_op->op_ppaddr == pp_slf));
1096		1131
1097	/* we must emulate leaving pp_slf, which is done inside slf_check_set_stacklevel */	1132	/* we must emulate leaving pp_slf, which is done inside slf_check_set_stacklevel */
1098	cctx_ssl_cctx = cctx;
1099	cctx_ssl_frame = slf_frame;	1133	cctx_ssl_frame = slf_frame;
1100		1134
1101	slf_frame.prepare = slf_prepare_set_stacklevel;	1135	slf_frame.prepare = slf_prepare_set_stacklevel;
1102	slf_frame.check = slf_check_set_stacklevel;	1136	slf_frame.check = slf_check_set_stacklevel;
1103	}	1137	}
…		…
1126	/* normally we would need to skip the entersub here */	1160	/* normally we would need to skip the entersub here */
1127	/* not doing so will re-execute it, which is exactly what we want */	1161	/* not doing so will re-execute it, which is exactly what we want */
1128	/* PL_nop = PL_nop->op_next */	1162	/* PL_nop = PL_nop->op_next */
1129		1163
1130	/* inject a fake subroutine call to cctx_init */	1164	/* inject a fake subroutine call to cctx_init */
1131	cctx_prepare (aTHX_ (coro_cctx *)arg);	1165	cctx_prepare (aTHX);
1132		1166
1133	/* cctx_run is the alternative tail of transfer() */	1167	/* cctx_run is the alternative tail of transfer() */
1134	transfer_tail (aTHX);	1168	transfer_tail (aTHX);
1135		1169
1136	/* somebody or something will hit me for both perl_run and PL_restartop */	1170	/* somebody or something will hit me for both perl_run and PL_restartop */
1137	PL_restartop = PL_op;	1171	PL_restartop = PL_op;
1138	perl_run (PL_curinterp);	1172	perl_run (PL_curinterp);
		1173	/*
		1174	* Unfortunately, there is no way to get at the return values of the
		1175	* coro body here, as perl_run destroys these
		1176	*/
1139		1177
1140	/*	1178	/*
1141	* If perl-run returns we assume exit() was being called or the coro	1179	* If perl-run returns we assume exit() was being called or the coro
1142	* fell off the end, which seems to be the only valid (non-bug)	1180	* fell off the end, which seems to be the only valid (non-bug)
1143	* reason for perl_run to return. We try to exit by jumping to the	1181	* reason for perl_run to return. We try to exit by jumping to the
1144	* bootstrap-time "top" top_env, as we cannot restore the "main"	1182	* bootstrap-time "top" top_env, as we cannot restore the "main"
1145	* coroutine as Coro has no such concept	1183	* coroutine as Coro has no such concept.
		1184	* This actually isn't valid with the pthread backend, but OSes requiring
		1185	* that backend are too broken to do it in a standards-compliant way.
1146	*/	1186	*/
1147	PL_top_env = main_top_env;	1187	PL_top_env = main_top_env;
1148	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */	1188	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */
1149	}	1189	}
1150	}	1190	}
…		…
1227	cctx_destroy (coro_cctx *cctx)	1267	cctx_destroy (coro_cctx *cctx)
1228	{	1268	{
1229	if (!cctx)	1269	if (!cctx)
1230	return;	1270	return;
1231		1271
		1272	assert (cctx != cctx_current);//D temporary
		1273
1232	--cctx_count;	1274	--cctx_count;
1233	coro_destroy (&cctx->cctx);	1275	coro_destroy (&cctx->cctx);
1234		1276
1235	/* coro_transfer creates new, empty cctx's */	1277	/* coro_transfer creates new, empty cctx's */
1236	if (cctx->sptr)	1278	if (cctx->sptr)
…		…
1299	/* TODO: throwing up here is considered harmful */	1341	/* TODO: throwing up here is considered harmful */
1300		1342
1301	if (expect_true (prev != next))	1343	if (expect_true (prev != next))
1302	{	1344	{
1303	if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW))))	1345	if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW))))
1304	croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states,");	1346	croak ("Coro::State::transfer called with a suspended prev Coro::State, but can only transfer from running or new states,");
1305		1347
1306	if (expect_false (next->flags & CF_RUNNING))	1348	if (expect_false (next->flags & CF_RUNNING))
1307	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states,");	1349	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states,");
1308		1350
1309	if (expect_false (next->flags & CF_DESTROYED))	1351	if (expect_false (next->flags & CF_DESTROYED))
…		…
1321	transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx)	1363	transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx)
1322	{	1364	{
1323	dSTACKLEVEL;	1365	dSTACKLEVEL;
1324		1366
1325	/* sometimes transfer is only called to set idle_sp */	1367	/* sometimes transfer is only called to set idle_sp */
1326	if (expect_false (!next))	1368	if (expect_false (!prev))
1327	{	1369	{
1328	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1370	cctx_current->idle_sp = STACKLEVEL;
1329	assert (((coro_cctx *)prev)->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */	1371	assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */
1330	}	1372	}
1331	else if (expect_true (prev != next))	1373	else if (expect_true (prev != next))
1332	{	1374	{
1333	coro_cctx *prev__cctx;	1375	coro_cctx *cctx_prev;
1334		1376
1335	if (expect_false (prev->flags & CF_NEW))	1377	if (expect_false (prev->flags & CF_NEW))
1336	{	1378	{
1337	/* create a new empty/source context */	1379	/* create a new empty/source context */
1338	prev->cctx = cctx_new_empty ();
1339	prev->flags &= ~CF_NEW;	1380	prev->flags &= ~CF_NEW;
1340	prev->flags |= CF_RUNNING;	1381	prev->flags |= CF_RUNNING;
1341	}	1382	}
1342		1383
1343	prev->flags &= ~CF_RUNNING;	1384	prev->flags &= ~CF_RUNNING;
…		…
1354	coro_setup (aTHX_ next);	1395	coro_setup (aTHX_ next);
1355	}	1396	}
1356	else	1397	else
1357	load_perl (aTHX_ next);	1398	load_perl (aTHX_ next);
1358		1399
1359	prev__cctx = prev->cctx;	1400	assert (!prev->cctx);//D temporary
1360		1401
1361	/* possibly untie and reuse the cctx */	1402	/* possibly untie and reuse the cctx */
1362	if (expect_true (	1403	if (expect_true (
1363	prev__cctx->idle_sp == STACKLEVEL	1404	cctx_current->idle_sp == STACKLEVEL
1364	&& !(prev__cctx->flags & CC_TRACE)	1405	&& !(cctx_current->flags & CC_TRACE)
1365	&& !force_cctx	1406	&& !force_cctx
1366	))	1407	))
1367	{	1408	{
1368	/* I assume that stacklevel is a stronger indicator than PL_top_env changes */	1409	/* I assume that stacklevel is a stronger indicator than PL_top_env changes */
1369	assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == prev__cctx->idle_te));	1410	assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te));
1370		1411
1371	prev->cctx = 0;
1372
1373	/* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */	1412	/* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */
1374	/* without this the next cctx_get might destroy the prev__cctx while still in use */	1413	/* without this the next cctx_get might destroy the running cctx while still in use */
1375	if (expect_false (CCTX_EXPIRED (prev__cctx)))	1414	if (expect_false (CCTX_EXPIRED (cctx_current)))
1376	if (!next->cctx)	1415	if (expect_true (!next->cctx))
1377	next->cctx = cctx_get (aTHX);	1416	next->cctx = cctx_get (aTHX);
1378		1417
1379	cctx_put (prev__cctx);	1418	cctx_put (cctx_current);
1380	}	1419	}
		1420	else
		1421	prev->cctx = cctx_current;
1381		1422
1382	++next->usecount;	1423	++next->usecount;
1383		1424
1384	if (expect_true (!next->cctx))	1425	cctx_prev = cctx_current;
1385	next->cctx = cctx_get (aTHX);	1426	cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX);
1386		1427
1387	if (expect_false (prev__cctx != next->cctx))	1428	next->cctx = 0;
		1429
		1430	if (expect_false (cctx_prev != cctx_current))
1388	{	1431	{
1389	prev__cctx->top_env = PL_top_env;	1432	cctx_prev->top_env = PL_top_env;
1390	PL_top_env = next->cctx->top_env;	1433	PL_top_env = cctx_current->top_env;
1391	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);	1434	coro_transfer (&cctx_prev->cctx, &cctx_current->cctx);
1392	}	1435	}
1393		1436
1394	transfer_tail (aTHX);	1437	transfer_tail (aTHX);
1395	}	1438	}
1396	}	1439	}
…		…
1435		1478
1436	coro->slot = 0;	1479	coro->slot = 0;
1437	}	1480	}
1438		1481
1439	cctx_destroy (coro->cctx);	1482	cctx_destroy (coro->cctx);
		1483	SvREFCNT_dec (coro->startcv);
1440	SvREFCNT_dec (coro->args);	1484	SvREFCNT_dec (coro->args);
		1485	SvREFCNT_dec (CORO_THROW);
1441		1486
1442	if (coro->next) coro->next->prev = coro->prev;	1487	if (coro->next) coro->next->prev = coro->prev;
1443	if (coro->prev) coro->prev->next = coro->next;	1488	if (coro->prev) coro->prev->next = coro->next;
1444	if (coro == coro_first) coro_first = coro->next;	1489	if (coro == coro_first) coro_first = coro->next;
1445		1490
…		…
1549	{	1594	{
1550	struct coro *coro;	1595	struct coro *coro;
1551	SV *sv_hook;	1596	SV *sv_hook;
1552	void (*xs_hook)(void);	1597	void (*xs_hook)(void);
1553		1598
1554	if (SvROK (coro_sv))
1555	coro_sv = SvRV (coro_sv);
1556
1557	coro = SvSTATE (coro_sv);	1599	coro = SvSTATE (coro_sv);
1558		1600
1559	if (coro->flags & CF_READY)	1601	if (coro->flags & CF_READY)
1560	return 0;	1602	return 0;
1561		1603
…		…
1592	api_is_ready (pTHX_ SV *coro_sv)	1634	api_is_ready (pTHX_ SV *coro_sv)
1593	{	1635	{
1594	return !!(SvSTATE (coro_sv)->flags & CF_READY);	1636	return !!(SvSTATE (coro_sv)->flags & CF_READY);
1595	}	1637	}
1596		1638
		1639	/* expects to own a reference to next->hv */
1597	INLINE void	1640	INLINE void
1598	prepare_schedule (pTHX_ struct coro_transfer_args *ta)	1641	prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next)
1599	{	1642	{
1600	SV *prev_sv, *next_sv;
1601
1602	for (;;)
1603	{
1604	next_sv = coro_deq (aTHX);
1605
1606	/* nothing to schedule: call the idle handler */
1607	if (expect_false (!next_sv))
1608	{
1609	dSP;
1610
1611	ENTER;
1612	SAVETMPS;
1613
1614	PUSHMARK (SP);
1615	PUTBACK;
1616	call_sv (get_sv ("Coro::idle", FALSE), G_VOID | G_DISCARD);
1617
1618	FREETMPS;
1619	LEAVE;
1620	continue;
1621	}
1622
1623	ta->next = SvSTATE_hv (next_sv);
1624
1625	/* cannot transfer to destroyed coros, skip and look for next */
1626	if (expect_false (ta->next->flags & CF_DESTROYED))
1627	{
1628	SvREFCNT_dec (next_sv);
1629	/* coro_nready has already been taken care of by destroy */
1630	continue;
1631	}
1632
1633	--coro_nready;
1634	break;
1635	}
1636
1637	/* free this only after the transfer */
1638	prev_sv = SvRV (coro_current);	1643	SV *prev_sv = SvRV (coro_current);
		1644
1639	ta->prev = SvSTATE_hv (prev_sv);	1645	ta->prev = SvSTATE_hv (prev_sv);
		1646	ta->next = next;
		1647
1640	TRANSFER_CHECK (*ta);	1648	TRANSFER_CHECK (*ta);
1641	assert (("FATAL: next coroutine isn't marked as ready in Coro (please report)", ta->next->flags & CF_READY));	1649
1642	ta->next->flags &= ~CF_READY;
1643	SvRV_set (coro_current, next_sv);	1650	SvRV_set (coro_current, (SV *)next->hv);
1644		1651
1645	free_coro_mortal (aTHX);	1652	free_coro_mortal (aTHX);
1646	coro_mortal = prev_sv;	1653	coro_mortal = prev_sv;
1647	}	1654	}
1648		1655
		1656	static void
		1657	prepare_schedule (pTHX_ struct coro_transfer_args *ta)
		1658	{
		1659	for (;;)
		1660	{
		1661	SV *next_sv = coro_deq (aTHX);
		1662
		1663	if (expect_true (next_sv))
		1664	{
		1665	struct coro *next = SvSTATE_hv (next_sv);
		1666
		1667	/* cannot transfer to destroyed coros, skip and look for next */
		1668	if (expect_false (next->flags & CF_DESTROYED))
		1669	SvREFCNT_dec (next_sv); /* coro_nready has already been taken care of by destroy */
		1670	else
		1671	{
		1672	next->flags &= ~CF_READY;
		1673	--coro_nready;
		1674
		1675	prepare_schedule_to (aTHX_ ta, next);
		1676	break;
		1677	}
		1678	}
		1679	else
		1680	{
		1681	/* nothing to schedule: call the idle handler */
		1682	if (SvROK (sv_idle)
		1683	&& SvOBJECT (SvRV (sv_idle)))
		1684	{
		1685	++coro_nready; /* hack so that api_ready doesn't invoke ready hook */
		1686	api_ready (aTHX_ SvRV (sv_idle));
		1687	--coro_nready;
		1688	}
		1689	else
		1690	{
		1691	dSP;
		1692
		1693	ENTER;
		1694	SAVETMPS;
		1695
		1696	PUSHMARK (SP);
		1697	PUTBACK;
		1698	call_sv (sv_idle, G_VOID | G_DISCARD);
		1699
		1700	FREETMPS;
		1701	LEAVE;
		1702	}
		1703	}
		1704	}
		1705	}
		1706
1649	INLINE void	1707	INLINE void
1650	prepare_cede (pTHX_ struct coro_transfer_args *ta)	1708	prepare_cede (pTHX_ struct coro_transfer_args *ta)
1651	{	1709	{
1652	api_ready (aTHX_ coro_current);	1710	api_ready (aTHX_ coro_current);
1653	prepare_schedule (aTHX_ ta);	1711	prepare_schedule (aTHX_ ta);
…		…
1672	{	1730	{
1673	struct coro_transfer_args ta;	1731	struct coro_transfer_args ta;
1674		1732
1675	prepare_schedule (aTHX_ &ta);	1733	prepare_schedule (aTHX_ &ta);
1676	TRANSFER (ta, 1);	1734	TRANSFER (ta, 1);
		1735	}
		1736
		1737	static void
		1738	api_schedule_to (pTHX_ SV *coro_sv)
		1739	{
		1740	struct coro_transfer_args ta;
		1741	struct coro *next = SvSTATE (coro_sv);
		1742
		1743	SvREFCNT_inc_NN (coro_sv);
		1744	prepare_schedule_to (aTHX_ &ta, next);
1677	}	1745	}
1678		1746
1679	static int	1747	static int
1680	api_cede (pTHX)	1748	api_cede (pTHX)
1681	{	1749	{
…		…
1710	static void	1778	static void
1711	api_trace (pTHX_ SV *coro_sv, int flags)	1779	api_trace (pTHX_ SV *coro_sv, int flags)
1712	{	1780	{
1713	struct coro *coro = SvSTATE (coro_sv);	1781	struct coro *coro = SvSTATE (coro_sv);
1714		1782
		1783	if (coro->flags & CF_RUNNING)
		1784	croak ("cannot enable tracing on a running coroutine, caught");
		1785
1715	if (flags & CC_TRACE)	1786	if (flags & CC_TRACE)
1716	{	1787	{
1717	if (!coro->cctx)	1788	if (!coro->cctx)
1718	coro->cctx = cctx_new_run ();	1789	coro->cctx = cctx_new_run ();
1719	else if (!(coro->cctx->flags & CC_TRACE))	1790	else if (!(coro->cctx->flags & CC_TRACE))
1720	croak ("cannot enable tracing on coroutine with custom stack,");	1791	croak ("cannot enable tracing on coroutine with custom stack, caught");
1721		1792
1722	coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL));	1793	coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL));
1723	}	1794	}
1724	else if (coro->cctx && coro->cctx->flags & CC_TRACE)	1795	else if (coro->cctx && coro->cctx->flags & CC_TRACE)
1725	{	1796	{
…		…
1730	else	1801	else
1731	coro->slot->runops = RUNOPS_DEFAULT;	1802	coro->slot->runops = RUNOPS_DEFAULT;
1732	}	1803	}
1733	}	1804	}
1734		1805
		1806	static void
		1807	coro_call_on_destroy (pTHX_ struct coro *coro)
		1808	{
		1809	SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0);
		1810	SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0);
		1811
		1812	if (on_destroyp)
		1813	{
		1814	AV *on_destroy = (AV *)SvRV (*on_destroyp);
		1815
		1816	while (AvFILLp (on_destroy) >= 0)
		1817	{
		1818	dSP; /* don't disturb outer sp */
		1819	SV *cb = av_pop (on_destroy);
		1820
		1821	PUSHMARK (SP);
		1822
		1823	if (statusp)
		1824	{
		1825	int i;
		1826	AV *status = (AV *)SvRV (*statusp);
		1827	EXTEND (SP, AvFILLp (status) + 1);
		1828
		1829	for (i = 0; i <= AvFILLp (status); ++i)
		1830	PUSHs (AvARRAY (status)[i]);
		1831	}
		1832
		1833	PUTBACK;
		1834	call_sv (sv_2mortal (cb), G_VOID | G_DISCARD);
		1835	}
		1836	}
		1837	}
		1838
		1839	static void
		1840	slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
		1841	{
		1842	int i;
		1843	HV *hv = (HV *)SvRV (coro_current);
		1844	AV *av = newAV ();
		1845
		1846	av_extend (av, items - 1);
		1847	for (i = 0; i < items; ++i)
		1848	av_push (av, SvREFCNT_inc_NN (arg [i]));
		1849
		1850	hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0);
		1851
		1852	av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */
		1853	api_ready (aTHX_ sv_manager);
		1854
		1855	frame->prepare = prepare_schedule;
		1856	frame->check = slf_check_repeat;
		1857	}
		1858
		1859	/*****************************************************************************/
		1860	/* async pool handler */
		1861
		1862	static int
		1863	slf_check_pool_handler (pTHX_ struct CoroSLF *frame)
		1864	{
		1865	HV *hv = (HV *)SvRV (coro_current);
		1866	struct coro *coro = (struct coro *)frame->data;
		1867
		1868	if (!coro->invoke_cb)
		1869	return 1; /* loop till we have invoke */
		1870	else
		1871	{
		1872	hv_store (hv, "desc", sizeof ("desc") - 1,
		1873	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
		1874
		1875	coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv);
		1876
		1877	{
		1878	dSP;
		1879	XPUSHs (sv_2mortal (coro->invoke_cb)); coro->invoke_cb = 0;
		1880	PUTBACK;
		1881	}
		1882
		1883	SvREFCNT_dec (GvAV (PL_defgv));
		1884	GvAV (PL_defgv) = coro->invoke_av;
		1885	coro->invoke_av = 0;
		1886
		1887	return 0;
		1888	}
		1889	}
		1890
		1891	static void
		1892	slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
		1893	{
		1894	HV *hv = (HV *)SvRV (coro_current);
		1895	struct coro *coro = SvSTATE_hv ((SV *)hv);
		1896
		1897	if (expect_true (coro->saved_deffh))
		1898	{
		1899	/* subsequent iteration */
		1900	SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh;
		1901	coro->saved_deffh = 0;
		1902
		1903	if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss)
		1904	|| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
		1905	{
		1906	coro->invoke_cb = SvREFCNT_inc_NN ((SV *)cv_coro_terminate);
		1907	coro->invoke_av = newAV ();
		1908
		1909	frame->prepare = prepare_nop;
		1910	}
		1911	else
		1912	{
		1913	av_clear (GvAV (PL_defgv));
		1914	hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0);
		1915
		1916	coro->prio = 0;
		1917
		1918	if (coro->cctx && (coro->cctx->flags & CC_TRACE))
		1919	api_trace (aTHX_ coro_current, 0);
		1920
		1921	frame->prepare = prepare_schedule;
		1922	av_push (av_async_pool, SvREFCNT_inc (hv));
		1923	}
		1924	}
		1925	else
		1926	{
		1927	/* first iteration, simply fall through */
		1928	frame->prepare = prepare_nop;
		1929	}
		1930
		1931	frame->check = slf_check_pool_handler;
		1932	frame->data = (void *)coro;
		1933	}
		1934
1735	/*****************************************************************************/	1935	/*****************************************************************************/
1736	/* rouse callback */	1936	/* rouse callback */
1737		1937
1738	#define CORO_MAGIC_type_rouse PERL_MAGIC_ext	1938	#define CORO_MAGIC_type_rouse PERL_MAGIC_ext
1739		1939
…		…
1744	SV *data = (SV *)GENSUB_ARG;	1944	SV *data = (SV *)GENSUB_ARG;
1745		1945
1746	if (SvTYPE (SvRV (data)) != SVt_PVAV)	1946	if (SvTYPE (SvRV (data)) != SVt_PVAV)
1747	{	1947	{
1748	/* first call, set args */	1948	/* first call, set args */
1749	int i;
1750	AV *av = newAV ();	1949	AV *av = newAV ();
1751	SV *coro = SvRV (data);	1950	SV *coro = SvRV (data);
1752		1951
1753	SvRV_set (data, (SV *)av);	1952	SvRV_set (data, (SV *)av);
1754	api_ready (aTHX_ coro);	1953	api_ready (aTHX_ coro);
…		…
1895	static void	2094	static void
1896	slf_init_schedule (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)	2095	slf_init_schedule (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
1897	{	2096	{
1898	frame->prepare = prepare_schedule;	2097	frame->prepare = prepare_schedule;
1899	frame->check = slf_check_nop;	2098	frame->check = slf_check_nop;
		2099	}
		2100
		2101	static void
		2102	slf_prepare_schedule_to (pTHX_ struct coro_transfer_args *ta)
		2103	{
		2104	struct coro *next = (struct coro *)slf_frame.data;
		2105
		2106	SvREFCNT_inc_NN (next->hv);
		2107	prepare_schedule_to (aTHX_ ta, next);
		2108	}
		2109
		2110	static void
		2111	slf_init_schedule_to (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
		2112	{
		2113	if (!items)
		2114	croak ("Coro::schedule_to expects a coroutine argument, caught");
		2115
		2116	frame->data = (void *)SvSTATE (arg [0]);
		2117	frame->prepare = slf_prepare_schedule_to;
		2118	frame->check = slf_check_nop;
		2119	}
		2120
		2121	static void
		2122	slf_init_cede_to (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
		2123	{
		2124	api_ready (aTHX_ SvRV (coro_current));
		2125
		2126	slf_init_schedule_to (aTHX_ frame, cv, arg, items);
1900	}	2127	}
1901		2128
1902	static void	2129	static void
1903	slf_init_cede (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)	2130	slf_init_cede (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
1904	{	2131	{
…		…
2050	}	2277	}
2051	else	2278	else
2052	slf_argc = 0;	2279	slf_argc = 0;
2053		2280
2054	PL_op->op_ppaddr = pp_slf;	2281	PL_op->op_ppaddr = pp_slf;
2055	PL_op->op_type = OP_CUSTOM; /* maybe we should leave it at entersub? */	2282	/*PL_op->op_type = OP_CUSTOM; /* we do behave like entersub still */
2056		2283
2057	PL_op = (OP *)&slf_restore;	2284	PL_op = (OP *)&slf_restore;
2058	}	2285	}
2059		2286
2060	/*****************************************************************************/	2287	/*****************************************************************************/
…		…
2143	SV **ary;	2370	SV **ary;
2144		2371
2145	/* unfortunately, building manually saves memory */	2372	/* unfortunately, building manually saves memory */
2146	Newx (ary, 2, SV *);	2373	Newx (ary, 2, SV *);
2147	AvALLOC (av) = ary;	2374	AvALLOC (av) = ary;
		2375	/*AvARRAY (av) = ary;*/
2148	SvPV_set ((SV *)av, (char *)ary); /* 5.8.8 needs this syntax instead of AvARRAY = ary */	2376	SvPVX ((SV *)av) = (char *)ary; /* 5.8.8 needs this syntax instead of AvARRAY = ary */
2149	AvMAX (av) = 1;	2377	AvMAX (av) = 1;
2150	AvFILLp (av) = 0;	2378	AvFILLp (av) = 0;
2151	ary [0] = newSViv (count);	2379	ary [0] = newSViv (count);
2152		2380
2153	return newRV_noinc ((SV *)av);	2381	return newRV_noinc ((SV *)av);
…		…
2173	AvARRAY (av)[0] = AvARRAY (av)[1];	2401	AvARRAY (av)[0] = AvARRAY (av)[1];
2174	AvARRAY (av)[1] = count_sv;	2402	AvARRAY (av)[1] = count_sv;
2175	cb = av_shift (av);	2403	cb = av_shift (av);
2176		2404
2177	if (SvOBJECT (cb))	2405	if (SvOBJECT (cb))
		2406	{
2178	api_ready (aTHX_ cb);	2407	api_ready (aTHX_ cb);
2179	else	2408	--count;
2180	croak ("callbacks not yet supported");	2409	}
		2410	else if (SvTYPE (cb) == SVt_PVCV)
		2411	{
		2412	dSP;
		2413	PUSHMARK (SP);
		2414	XPUSHs (sv_2mortal (newRV_inc ((SV *)av)));
		2415	PUTBACK;
		2416	call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR);
		2417	}
2181		2418
2182	SvREFCNT_dec (cb);	2419	SvREFCNT_dec (cb);
2183
2184	--count;
2185	}	2420	}
2186	}	2421	}
2187		2422
2188	static void	2423	static void
2189	coro_semaphore_on_destroy (pTHX_ struct coro *coro)	2424	coro_semaphore_on_destroy (pTHX_ struct coro *coro)
…		…
2271	}	2506	}
2272		2507
2273	static void	2508	static void
2274	slf_init_semaphore_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)	2509	slf_init_semaphore_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
2275	{	2510	{
		2511	if (items >= 2)
		2512	{
		2513	/* callback form */
		2514	AV *av = (AV *)SvRV (arg [0]);
		2515	CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]);
		2516
		2517	av_push (av, (SV *)SvREFCNT_inc_NN (cb_cv));
		2518
		2519	if (SvIVX (AvARRAY (av)[0]) > 0)
		2520	coro_semaphore_adjust (aTHX_ av, 0);
		2521
		2522	frame->prepare = prepare_nop;
		2523	frame->check = slf_check_nop;
		2524	}
		2525	else
		2526	{
2276	slf_init_semaphore_down_or_wait (aTHX_ frame, cv, arg, items);	2527	slf_init_semaphore_down_or_wait (aTHX_ frame, cv, arg, items);
2277	frame->check = slf_check_semaphore_wait;	2528	frame->check = slf_check_semaphore_wait;
		2529	}
2278	}	2530	}
2279		2531
2280	/* signal */	2532	/* signal */
2281		2533
2282	static void	2534	static void
…		…
2354	dXSARGS;	2606	dXSARGS;
2355	AV *state = (AV *)GENSUB_ARG;	2607	AV *state = (AV *)GENSUB_ARG;
2356	SV *coro = av_pop (state);	2608	SV *coro = av_pop (state);
2357	SV *data_sv = newSV (sizeof (struct io_state));	2609	SV *data_sv = newSV (sizeof (struct io_state));
2358		2610
2359	av_extend (state, items);	2611	av_extend (state, items - 1);
2360		2612
2361	sv_upgrade (data_sv, SVt_PV);	2613	sv_upgrade (data_sv, SVt_PV);
2362	SvCUR_set (data_sv, sizeof (struct io_state));	2614	SvCUR_set (data_sv, sizeof (struct io_state));
2363	SvPOK_only (data_sv);	2615	SvPOK_only (data_sv);
2364		2616
…		…
2499	XSRETURN_EMPTY;	2751	XSRETURN_EMPTY;
2500	}	2752	}
2501		2753
2502	/*****************************************************************************/	2754	/*****************************************************************************/
2503		2755
		2756	#if CORO_CLONE
		2757	# include "clone.c"
		2758	#endif
		2759
2504	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	2760	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
2505		2761
2506	PROTOTYPES: DISABLE	2762	PROTOTYPES: DISABLE
2507		2763
2508	BOOT:	2764	BOOT:
…		…
2512	coro_thx = PERL_GET_CONTEXT;	2768	coro_thx = PERL_GET_CONTEXT;
2513	# endif	2769	# endif
2514	#endif	2770	#endif
2515	BOOT_PAGESIZE;	2771	BOOT_PAGESIZE;
2516		2772
		2773	cctx_current = cctx_new_empty ();
		2774
2517	irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV);	2775	irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV);
2518	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO);	2776	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO);
2519		2777
2520	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;	2778	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;
2521	orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;	2779	orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;
…		…
2540		2798
2541	{	2799	{
2542	SV *slf = sv_2mortal (newSViv (PTR2IV (pp_slf)));	2800	SV *slf = sv_2mortal (newSViv (PTR2IV (pp_slf)));
2543		2801
2544	if (!PL_custom_op_names) PL_custom_op_names = newHV ();	2802	if (!PL_custom_op_names) PL_custom_op_names = newHV ();
2545	hv_store_ent (PL_custom_op_names, slf,	2803	hv_store_ent (PL_custom_op_names, slf, newSVpv ("coro_slf", 0), 0);
2546	newSVpv ("coro_slf", 0), 0);
2547		2804
2548	if (!PL_custom_op_descs) PL_custom_op_descs = newHV ();	2805	if (!PL_custom_op_descs) PL_custom_op_descs = newHV ();
2549	hv_store_ent (PL_custom_op_descs, slf,	2806	hv_store_ent (PL_custom_op_descs, slf, newSVpv ("coro schedule like function", 0), 0);
2550	newSVpv ("coro schedule like function", 0), 0);
2551	}	2807	}
2552		2808
2553	coroapi.ver = CORO_API_VERSION;	2809	coroapi.ver = CORO_API_VERSION;
2554	coroapi.rev = CORO_API_REVISION;	2810	coroapi.rev = CORO_API_REVISION;
2555		2811
…		…
2574	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	2830	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
2575	}	2831	}
2576		2832
2577	SV *	2833	SV *
2578	new (char *klass, ...)	2834	new (char *klass, ...)
		2835	ALIAS:
		2836	Coro::new = 1
2579	CODE:	2837	CODE:
2580	{	2838	{
2581	struct coro *coro;	2839	struct coro *coro;
2582	MAGIC *mg;	2840	MAGIC *mg;
2583	HV *hv;	2841	HV *hv;
		2842	CV *cb;
2584	int i;	2843	int i;
		2844
		2845	if (items > 1)
		2846	{
		2847	cb = coro_sv_2cv (aTHX_ ST (1));
		2848
		2849	if (!ix)
		2850	{
		2851	if (CvISXSUB (cb))
		2852	croak ("Coro::State doesn't support XS functions as coroutine start, caught");
		2853
		2854	if (!CvROOT (cb))
		2855	croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught");
		2856	}
		2857	}
2585		2858
2586	Newz (0, coro, 1, struct coro);	2859	Newz (0, coro, 1, struct coro);
2587	coro->args = newAV ();	2860	coro->args = newAV ();
2588	coro->flags = CF_NEW;	2861	coro->flags = CF_NEW;
2589		2862
…		…
2594	coro->hv = hv = newHV ();	2867	coro->hv = hv = newHV ();
2595	mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0);	2868	mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0);
2596	mg->mg_flags |= MGf_DUP;	2869	mg->mg_flags |= MGf_DUP;
2597	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	2870	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
2598		2871
		2872	if (items > 1)
		2873	{
2599	av_extend (coro->args, items - 1);	2874	av_extend (coro->args, items - 1 + ix - 1);
		2875
		2876	if (ix)
		2877	{
		2878	av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb));
		2879	cb = cv_coro_run;
		2880	}
		2881
		2882	coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb);
		2883
2600	for (i = 1; i < items; i++)	2884	for (i = 2; i < items; i++)
2601	av_push (coro->args, newSVsv (ST (i)));	2885	av_push (coro->args, newSVsv (ST (i)));
		2886	}
2602	}	2887	}
2603	OUTPUT:	2888	OUTPUT:
2604	RETVAL	2889	RETVAL
2605		2890
2606	void	2891	void
…		…
2619	void	2904	void
2620	_exit (int code)	2905	_exit (int code)
2621	PROTOTYPE: $	2906	PROTOTYPE: $
2622	CODE:	2907	CODE:
2623	_exit (code);	2908	_exit (code);
		2909
		2910	SV *
		2911	clone (Coro::State coro)
		2912	CODE:
		2913	{
		2914	#if CORO_CLONE
		2915	struct coro *ncoro = coro_clone (coro);
		2916	MAGIC *mg;
		2917	/* TODO: too much duplication */
		2918	ncoro->hv = newHV ();
		2919	mg = sv_magicext ((SV *)ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)ncoro, 0);
		2920	mg->mg_flags |= MGf_DUP;
		2921	RETVAL = sv_bless (newRV_noinc ((SV *)ncoro->hv), SvSTASH (coro->hv));
		2922	#else
		2923	croak ("Coro::State->clone has not been configured into this installation of Coro, realised");
		2924	#endif
		2925	}
		2926	OUTPUT:
		2927	RETVAL
2624		2928
2625	int	2929	int
2626	cctx_stacksize (int new_stacksize = 0)	2930	cctx_stacksize (int new_stacksize = 0)
2627	PROTOTYPE: ;$	2931	PROTOTYPE: ;$
2628	CODE:	2932	CODE:
…		…
2749		3053
2750	SV *	3054	SV *
2751	has_cctx (Coro::State coro)	3055	has_cctx (Coro::State coro)
2752	PROTOTYPE: $	3056	PROTOTYPE: $
2753	CODE:	3057	CODE:
2754	RETVAL = boolSV (!!coro->cctx);	3058	/* maybe manage the running flag differently */
		3059	RETVAL = boolSV (!!coro->cctx || (coro->flags & CF_RUNNING));
2755	OUTPUT:	3060	OUTPUT:
2756	RETVAL	3061	RETVAL
2757		3062
2758	int	3063	int
2759	is_traced (Coro::State coro)	3064	is_traced (Coro::State coro)
…		…
2779		3084
2780	void	3085	void
2781	force_cctx ()	3086	force_cctx ()
2782	PROTOTYPE:	3087	PROTOTYPE:
2783	CODE:	3088	CODE:
2784	SvSTATE_current->cctx->idle_sp = 0;	3089	cctx_current->idle_sp = 0;
2785		3090
2786	void	3091	void
2787	swap_defsv (Coro::State self)	3092	swap_defsv (Coro::State self)
2788	PROTOTYPE: $	3093	PROTOTYPE: $
2789	ALIAS:	3094	ALIAS:
…		…
2804		3109
2805	BOOT:	3110	BOOT:
2806	{	3111	{
2807	int i;	3112	int i;
2808		3113
2809	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
2810	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);	3114	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
2811	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);	3115	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
2812		3116	cv_coro_run = get_cv ( "Coro::_terminate", GV_ADD);
		3117	cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD);
2813	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);	3118	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);
2814	SvREADONLY_on (coro_current);	3119	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
		3120	av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE);
		3121	sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE);
		3122	sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE);
		3123
		3124	sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle);
		3125	sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro);
		3126	cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler);
		3127	cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new);
2815		3128
2816	coro_stash = gv_stashpv ("Coro", TRUE);	3129	coro_stash = gv_stashpv ("Coro", TRUE);
2817		3130
2818	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	3131	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
2819	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	3132	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
…		…
2827		3140
2828	{	3141	{
2829	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);	3142	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);
2830		3143
2831	coroapi.schedule = api_schedule;	3144	coroapi.schedule = api_schedule;
		3145	coroapi.schedule_to = api_schedule_to;
2832	coroapi.cede = api_cede;	3146	coroapi.cede = api_cede;
2833	coroapi.cede_notself = api_cede_notself;	3147	coroapi.cede_notself = api_cede_notself;
2834	coroapi.ready = api_ready;	3148	coroapi.ready = api_ready;
2835	coroapi.is_ready = api_is_ready;	3149	coroapi.is_ready = api_is_ready;
2836	coroapi.nready = coro_nready;	3150	coroapi.nready = coro_nready;
…		…
2841	SvREADONLY_on (sv);	3155	SvREADONLY_on (sv);
2842	}	3156	}
2843	}	3157	}
2844		3158
2845	void	3159	void
		3160	terminate (...)
		3161	CODE:
		3162	CORO_EXECUTE_SLF_XS (slf_init_terminate);
		3163
		3164	void
2846	schedule (...)	3165	schedule (...)
2847	CODE:	3166	CODE:
2848	CORO_EXECUTE_SLF_XS (slf_init_schedule);	3167	CORO_EXECUTE_SLF_XS (slf_init_schedule);
		3168
		3169	void
		3170	schedule_to (...)
		3171	CODE:
		3172	CORO_EXECUTE_SLF_XS (slf_init_schedule_to);
		3173
		3174	void
		3175	cede_to (...)
		3176	CODE:
		3177	CORO_EXECUTE_SLF_XS (slf_init_cede_to);
2849		3178
2850	void	3179	void
2851	cede (...)	3180	cede (...)
2852	CODE:	3181	CODE:
2853	CORO_EXECUTE_SLF_XS (slf_init_cede);	3182	CORO_EXECUTE_SLF_XS (slf_init_cede);
2854		3183
2855	void	3184	void
2856	cede_notself (...)	3185	cede_notself (...)
2857	CODE:	3186	CODE:
2858	CORO_EXECUTE_SLF_XS (slf_init_cede_notself);	3187	CORO_EXECUTE_SLF_XS (slf_init_cede_notself);
		3188
		3189	void
		3190	_cancel (Coro::State self)
		3191	CODE:
		3192	coro_state_destroy (aTHX_ self);
		3193	coro_call_on_destroy (aTHX_ self);
2859		3194
2860	void	3195	void
2861	_set_current (SV *current)	3196	_set_current (SV *current)
2862	PROTOTYPE: $	3197	PROTOTYPE: $
2863	CODE:	3198	CODE:
…		…
2908	CODE:	3243	CODE:
2909	RETVAL = coro_nready;	3244	RETVAL = coro_nready;
2910	OUTPUT:	3245	OUTPUT:
2911	RETVAL	3246	RETVAL
2912		3247
2913	# for async_pool speedup
2914	void	3248	void
2915	_pool_1 (SV *cb)	3249	_pool_handler (...)
2916	CODE:	3250	CODE:
2917	{	3251	CORO_EXECUTE_SLF_XS (slf_init_pool_handler);
2918	HV *hv = (HV *)SvRV (coro_current);
2919	struct coro *coro = SvSTATE_hv ((SV *)hv);
2920	AV *defav = GvAV (PL_defgv);
2921	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
2922	AV *invoke_av;
2923	int i, len;
2924		3252
2925	if (!invoke)	3253	void
		3254	async_pool (SV *cv, ...)
		3255	PROTOTYPE: &@
		3256	PPCODE:
		3257	{
		3258	HV *hv = (HV *)av_pop (av_async_pool);
		3259	AV *av = newAV ();
		3260	SV *cb = ST (0);
		3261	int i;
		3262
		3263	av_extend (av, items - 2);
		3264	for (i = 1; i < items; ++i)
		3265	av_push (av, SvREFCNT_inc_NN (ST (i)));
		3266
		3267	if ((SV *)hv == &PL_sv_undef)
2926	{	3268	{
2927	SV *old = PL_diehook;	3269	PUSHMARK (SP);
2928	PL_diehook = 0;	3270	EXTEND (SP, 2);
2929	SvREFCNT_dec (old);	3271	PUSHs (sv_Coro);
2930	croak ("\3async_pool terminate\2\n");	3272	PUSHs ((SV *)cv_pool_handler);
		3273	PUTBACK;
		3274	call_sv ((SV *)cv_coro_state_new, G_SCALAR);
		3275	SPAGAIN;
		3276
		3277	hv = (HV *)SvREFCNT_inc_NN (SvRV (POPs));
2931	}	3278	}
2932		3279
2933	SvREFCNT_dec (coro->saved_deffh);
2934	coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv);
2935
2936	hv_store (hv, "desc", sizeof ("desc") - 1,
2937	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
2938
2939	invoke_av = (AV *)SvRV (invoke);
2940	len = av_len (invoke_av);
2941
2942	sv_setsv (cb, AvARRAY (invoke_av)[0]);
2943
2944	if (len > 0)
2945	{	3280	{
2946	av_fill (defav, len - 1);	3281	struct coro *coro = SvSTATE_hv (hv);
2947	for (i = 0; i < len; ++i)	3282
2948	av_store (defav, i, SvREFCNT_inc_NN (AvARRAY (invoke_av)[i + 1]));	3283	assert (!coro->invoke_cb);
		3284	assert (!coro->invoke_av);
		3285	coro->invoke_cb = SvREFCNT_inc (cb);
		3286	coro->invoke_av = av;
2949	}	3287	}
2950	}
2951		3288
2952	void	3289	api_ready (aTHX_ (SV *)hv);
2953	_pool_2 (SV *cb)
2954	CODE:
2955	{
2956	HV *hv = (HV *)SvRV (coro_current);
2957	struct coro *coro = SvSTATE_hv ((SV *)hv);
2958		3290
2959	sv_setsv (cb, &PL_sv_undef);	3291	if (GIMME_V != G_VOID)
2960		3292	XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv)));
2961	SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh;	3293	else
2962	coro->saved_deffh = 0;
2963
2964	if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss)
2965	|| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
2966	{
2967	SV *old = PL_diehook;
2968	PL_diehook = 0;
2969	SvREFCNT_dec (old);	3294	SvREFCNT_dec (hv);
2970	croak ("\3async_pool terminate\2\n");
2971	}
2972
2973	av_clear (GvAV (PL_defgv));
2974	hv_store (hv, "desc", sizeof ("desc") - 1,
2975	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
2976
2977	coro->prio = 0;
2978
2979	if (coro->cctx && (coro->cctx->flags & CC_TRACE))
2980	api_trace (aTHX_ coro_current, 0);
2981
2982	av_push (av_async_pool, newSVsv (coro_current));
2983	}	3295	}
2984		3296
2985	SV *	3297	SV *
2986	rouse_cb ()	3298	rouse_cb ()
2987	PROTOTYPE:	3299	PROTOTYPE:
…		…
2989	RETVAL = coro_new_rouse_cb (aTHX);	3301	RETVAL = coro_new_rouse_cb (aTHX);
2990	OUTPUT:	3302	OUTPUT:
2991	RETVAL	3303	RETVAL
2992		3304
2993	void	3305	void
2994	rouse_wait (SV *cb = 0)	3306	rouse_wait (...)
2995	PROTOTYPE: ;$	3307	PROTOTYPE: ;$
2996	PPCODE:	3308	PPCODE:
2997	CORO_EXECUTE_SLF_XS (slf_init_rouse_wait);	3309	CORO_EXECUTE_SLF_XS (slf_init_rouse_wait);
2998		3310
2999		3311
…		…
3036	adjust = 1	3348	adjust = 1
3037	CODE:	3349	CODE:
3038	coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), ix ? adjust : 1);	3350	coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), ix ? adjust : 1);
3039		3351
3040	void	3352	void
3041	down (SV *self)	3353	down (...)
3042	CODE:	3354	CODE:
3043	CORO_EXECUTE_SLF_XS (slf_init_semaphore_down);	3355	CORO_EXECUTE_SLF_XS (slf_init_semaphore_down);
3044		3356
3045	void	3357	void
3046	wait (SV *self)	3358	wait (...)
3047	CODE:	3359	CODE:
3048	CORO_EXECUTE_SLF_XS (slf_init_semaphore_wait);	3360	CORO_EXECUTE_SLF_XS (slf_init_semaphore_wait);
3049		3361
3050	void	3362	void
3051	try (SV *self)	3363	try (SV *self)
…		…
3094	);	3406	);
3095	OUTPUT:	3407	OUTPUT:
3096	RETVAL	3408	RETVAL
3097		3409
3098	void	3410	void
3099	wait (SV *self)	3411	wait (...)
3100	CODE:	3412	CODE:
3101	CORO_EXECUTE_SLF_XS (slf_init_signal_wait);	3413	CORO_EXECUTE_SLF_XS (slf_init_signal_wait);
3102		3414
3103	void	3415	void
3104	broadcast (SV *self)	3416	broadcast (SV *self)
…		…
3161		3473
3162	void	3474	void
3163	_register (char *target, char *proto, SV *req)	3475	_register (char *target, char *proto, SV *req)
3164	CODE:	3476	CODE:
3165	{	3477	{
3166	HV *st;	3478	CV *req_cv = coro_sv_2cv (aTHX_ req);
3167	GV *gvp;
3168	CV *req_cv = sv_2cv (req, &st, &gvp, 0);
3169	/* newXSproto doesn't return the CV on 5.8 */	3479	/* newXSproto doesn't return the CV on 5.8 */
3170	CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__);	3480	CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__);
3171	sv_setpv ((SV *)slf_cv, proto);	3481	sv_setpv ((SV *)slf_cv, proto);
3172	sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0);	3482	sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0);
3173	}	3483	}

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