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/cvs/Coro/Coro/State.xs

Comparing Coro/Coro/State.xs (file contents):
Revision 1.302 by root, Wed Nov 19 04:48:24 2008 UTC vs.
Revision 1.330 by root, Wed Nov 26 09:29:06 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 ();
…		…
354	if (SvREFCNT (padlist))	386	if (SvREFCNT (padlist))
355	{	387	{
356	I32 i = AvFILLp (padlist);	388	I32 i = AvFILLp (padlist);
357	while (i >= 0)	389	while (i >= 0)
358	{	390	{
359	SV **svp = av_fetch (padlist, i--, FALSE);	391	SV **svp = AvARRAY (padlist)[i--];
360	if (svp)	392	if (svp)
361	{	393	{
362	SV *sv;	394	AvREAL_on (*svp);
363	while (&PL_sv_undef != (sv = av_pop ((AV *)*svp)))
364	SvREFCNT_dec (sv);	395	av_undef (*svp);
365
366	SvREFCNT_dec (*svp);	396	SvREFCNT_dec (*svp);
367	}	397	}
368	}	398	}
369		399
370	SvREFCNT_dec ((SV*)padlist);	400	SvREFCNT_dec ((SV*)padlist);
…		…
449	else	479	else
450	{	480	{
451	#if CORO_PREFER_PERL_FUNCTIONS	481	#if CORO_PREFER_PERL_FUNCTIONS
452	/* this is probably cleaner? but also slower! */	482	/* this is probably cleaner? but also slower! */
453	/* in practise, it seems to be less stable */	483	/* in practise, it seems to be less stable */
454	CV *cp = Perl_cv_clone (cv);	484	CV *cp = Perl_cv_clone (aTHX_ cv);
455	CvPADLIST (cv) = CvPADLIST (cp);	485	CvPADLIST (cv) = CvPADLIST (cp);
456	CvPADLIST (cp) = 0;	486	CvPADLIST (cp) = 0;
457	SvREFCNT_dec (cp);	487	SvREFCNT_dec (cp);
458	#else	488	#else
459	CvPADLIST (cv) = coro_clone_padlist (aTHX_ cv);	489	CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv);
460	#endif	490	#endif
461	}	491	}
462	}	492	}
463		493
464	static void	494	static void
…		…
471	mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);	501	mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);
472		502
473	av = (AV *)mg->mg_obj;	503	av = (AV *)mg->mg_obj;
474		504
475	if (expect_false (AvFILLp (av) >= AvMAX (av)))	505	if (expect_false (AvFILLp (av) >= AvMAX (av)))
476	av_extend (av, AvMAX (av) + 1);	506	av_extend (av, AvFILLp (av) + 1);
477		507
478	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);	508	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
479	}	509	}
480		510
481	/** load & save, init *******************************************************/	511	/** load & save, init *******************************************************/
…		…
486	perl_slots *slot = c->slot;	516	perl_slots *slot = c->slot;
487	c->slot = 0;	517	c->slot = 0;
488		518
489	PL_mainstack = c->mainstack;	519	PL_mainstack = c->mainstack;
490		520
491	GvSV (PL_defgv) = slot->defsv;	521	GvSV (PL_defgv) = slot->defsv;
492	GvAV (PL_defgv) = slot->defav;	522	GvAV (PL_defgv) = slot->defav;
493	GvSV (PL_errgv) = slot->errsv;	523	GvSV (PL_errgv) = slot->errsv;
494	GvSV (irsgv) = slot->irsgv;	524	GvSV (irsgv) = slot->irsgv;
		525	GvHV (PL_hintgv) = slot->hinthv;
495		526
496	#define VAR(name,type) PL_ ## name = slot->name;	527	#define VAR(name,type) PL_ ## name = slot->name;
497	# include "state.h"	528	# include "state.h"
498	#undef VAR	529	#undef VAR
499		530
…		…
585	c->mainstack = PL_mainstack;	616	c->mainstack = PL_mainstack;
586		617
587	{	618	{
588	perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1);	619	perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1);
589		620
590	slot->defav = GvAV (PL_defgv);	621	slot->defav = GvAV (PL_defgv);
591	slot->defsv = DEFSV;	622	slot->defsv = DEFSV;
592	slot->errsv = ERRSV;	623	slot->errsv = ERRSV;
593	slot->irsgv = GvSV (irsgv);	624	slot->irsgv = GvSV (irsgv);
		625	slot->hinthv = GvHV (PL_hintgv);
594		626
595	#define VAR(name,type) slot->name = PL_ ## name;	627	#define VAR(name,type) slot->name = PL_ ## name;
596	# include "state.h"	628	# include "state.h"
597	#undef VAR	629	#undef VAR
598	}	630	}
…		…
603	* of perl.c:init_stacks, except that it uses less memory	635	* of perl.c:init_stacks, except that it uses less memory
604	* on the (sometimes correct) assumption that coroutines do	636	* on the (sometimes correct) assumption that coroutines do
605	* not usually need a lot of stackspace.	637	* not usually need a lot of stackspace.
606	*/	638	*/
607	#if CORO_PREFER_PERL_FUNCTIONS	639	#if CORO_PREFER_PERL_FUNCTIONS
608	# define coro_init_stacks init_stacks	640	# define coro_init_stacks(thx) init_stacks ()
609	#else	641	#else
610	static void	642	static void
611	coro_init_stacks (pTHX)	643	coro_init_stacks (pTHX)
612	{	644	{
613	PL_curstackinfo = new_stackinfo(32, 8);	645	PL_curstackinfo = new_stackinfo(32, 8);
…		…
676	#if !PERL_VERSION_ATLEAST (5,10,0)	708	#if !PERL_VERSION_ATLEAST (5,10,0)
677	Safefree (PL_retstack);	709	Safefree (PL_retstack);
678	#endif	710	#endif
679	}	711	}
680		712
		713	#define CORO_RSS \
		714	rss += sizeof (SYM (curstackinfo)); \
		715	rss += (SYM (curstackinfo->si_cxmax) + 1) * sizeof (PERL_CONTEXT); \
		716	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (SYM (curstack))) * sizeof (SV *); \
		717	rss += SYM (tmps_max) * sizeof (SV *); \
		718	rss += (SYM (markstack_max) - SYM (markstack_ptr)) * sizeof (I32); \
		719	rss += SYM (scopestack_max) * sizeof (I32); \
		720	rss += SYM (savestack_max) * sizeof (ANY);
		721
681	static size_t	722	static size_t
682	coro_rss (pTHX_ struct coro *coro)	723	coro_rss (pTHX_ struct coro *coro)
683	{	724	{
684	size_t rss = sizeof (*coro);	725	size_t rss = sizeof (*coro);
685		726
686	if (coro->mainstack)	727	if (coro->mainstack)
687	{	728	{
688	perl_slots tmp_slot;
689	perl_slots *slot;
690
691	if (coro->flags & CF_RUNNING)	729	if (coro->flags & CF_RUNNING)
692	{	730	{
693	slot = &tmp_slot;	731	#define SYM(sym) PL_ ## sym
694		732	CORO_RSS;
695	#define VAR(name,type) slot->name = PL_ ## name;
696	# include "state.h"
697	#undef VAR	733	#undef SYM
698	}	734	}
699	else	735	else
700	slot = coro->slot;
701
702	if (slot)
703	{	736	{
704	rss += sizeof (slot->curstackinfo);	737	#define SYM(sym) coro->slot->sym
705	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);	738	CORO_RSS;
706	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);	739	#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	}	740	}
716	}	741	}
717		742
718	return rss;	743	return rss;
719	}	744	}
…		…
821	slf_check_nop (pTHX_ struct CoroSLF *frame)	846	slf_check_nop (pTHX_ struct CoroSLF *frame)
822	{	847	{
823	return 0;	848	return 0;
824	}	849	}
825		850
		851	static int
		852	slf_check_repeat (pTHX_ struct CoroSLF *frame)
		853	{
		854	return 1;
		855	}
		856
826	static UNOP coro_setup_op;	857	static UNOP coro_setup_op;
827		858
828	static void NOINLINE /* noinline to keep it out of the transfer fast path */	859	static void NOINLINE /* noinline to keep it out of the transfer fast path */
829	coro_setup (pTHX_ struct coro *coro)	860	coro_setup (pTHX_ struct coro *coro)
830	{	861	{
…		…
835		866
836	PL_runops = RUNOPS_DEFAULT;	867	PL_runops = RUNOPS_DEFAULT;
837	PL_curcop = &PL_compiling;	868	PL_curcop = &PL_compiling;
838	PL_in_eval = EVAL_NULL;	869	PL_in_eval = EVAL_NULL;
839	PL_comppad = 0;	870	PL_comppad = 0;
		871	PL_comppad_name = 0;
		872	PL_comppad_name_fill = 0;
		873	PL_comppad_name_floor = 0;
840	PL_curpm = 0;	874	PL_curpm = 0;
841	PL_curpad = 0;	875	PL_curpad = 0;
842	PL_localizing = 0;	876	PL_localizing = 0;
843	PL_dirty = 0;	877	PL_dirty = 0;
844	PL_restartop = 0;	878	PL_restartop = 0;
845	#if PERL_VERSION_ATLEAST (5,10,0)	879	#if PERL_VERSION_ATLEAST (5,10,0)
846	PL_parser = 0;	880	PL_parser = 0;
847	#endif	881	#endif
		882	PL_hints = 0;
848		883
849	/* recreate the die/warn hooks */	884	/* recreate the die/warn hooks */
850	PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook );	885	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);	886	PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook);
852		887
853	GvSV (PL_defgv) = newSV (0);	888	GvSV (PL_defgv) = newSV (0);
854	GvAV (PL_defgv) = coro->args; coro->args = 0;	889	GvAV (PL_defgv) = coro->args; coro->args = 0;
855	GvSV (PL_errgv) = newSV (0);	890	GvSV (PL_errgv) = newSV (0);
856	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);	891	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
		892	GvHV (PL_hintgv) = 0;
857	PL_rs = newSVsv (GvSV (irsgv));	893	PL_rs = newSVsv (GvSV (irsgv));
858	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);	894	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);
859		895
860	{	896	{
861	dSP;	897	dSP;
862	UNOP myop;	898	UNOP myop;
863		899
864	Zero (&myop, 1, UNOP);	900	Zero (&myop, 1, UNOP);
865	myop.op_next = Nullop;	901	myop.op_next = Nullop;
		902	myop.op_type = OP_ENTERSUB;
866	myop.op_flags = OPf_WANT_VOID;	903	myop.op_flags = OPf_WANT_VOID;
867		904
868	PUSHMARK (SP);	905	PUSHMARK (SP);
869	XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv))));	906	PUSHs ((SV *)coro->startcv);
870	PUTBACK;	907	PUTBACK;
871	PL_op = (OP *)&myop;	908	PL_op = (OP *)&myop;
872	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	909	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
873	SPAGAIN;
874	}	910	}
875		911
876	/* this newly created coroutine might be run on an existing cctx which most	912	/* 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.	913	* likely was suspended in pp_slf, so we have to emulate entering pp_slf here.
878	*/	914	*/
879	slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */	915	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 */	916	slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */
881		917
882	/* and we have to provide the pp_slf op in any case, so pp_slf can skip it */	918	/* 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;	919	coro_setup_op.op_next = PL_op;
884	coro_setup_op.op_type = OP_CUSTOM;	920	coro_setup_op.op_type = OP_ENTERSUB;
885	coro_setup_op.op_ppaddr = pp_slf;	921	coro_setup_op.op_ppaddr = pp_slf;
886	/* no flags required, as an init function won't be called */	922	/* no flags etc. required, as an init function won't be called */
887		923
888	PL_op = (OP *)&coro_setup_op;	924	PL_op = (OP *)&coro_setup_op;
889		925
890	/* copy throw, in case it was set before coro_setup */	926	/* copy throw, in case it was set before coro_setup */
891	CORO_THROW = coro->except;	927	CORO_THROW = coro->except;
…		…
915	SvREFCNT_dec (GvAV (PL_defgv));	951	SvREFCNT_dec (GvAV (PL_defgv));
916	SvREFCNT_dec (GvSV (PL_errgv));	952	SvREFCNT_dec (GvSV (PL_errgv));
917	SvREFCNT_dec (PL_defoutgv);	953	SvREFCNT_dec (PL_defoutgv);
918	SvREFCNT_dec (PL_rs);	954	SvREFCNT_dec (PL_rs);
919	SvREFCNT_dec (GvSV (irsgv));	955	SvREFCNT_dec (GvSV (irsgv));
		956	SvREFCNT_dec (GvHV (PL_hintgv));
920		957
921	SvREFCNT_dec (PL_diehook);	958	SvREFCNT_dec (PL_diehook);
922	SvREFCNT_dec (PL_warnhook);	959	SvREFCNT_dec (PL_warnhook);
923		960
924	SvREFCNT_dec (CORO_THROW);
925	SvREFCNT_dec (coro->saved_deffh);	961	SvREFCNT_dec (coro->saved_deffh);
926	SvREFCNT_dec (coro->rouse_cb);	962	SvREFCNT_dec (coro->rouse_cb);
		963	SvREFCNT_dec (coro->invoke_cb);
		964	SvREFCNT_dec (coro->invoke_av);
927		965
928	coro_destruct_stacks (aTHX);	966	coro_destruct_stacks (aTHX);
929	}	967	}
930		968
931	INLINE void	969	INLINE void
…		…
941	static int	979	static int
942	runops_trace (pTHX)	980	runops_trace (pTHX)
943	{	981	{
944	COP *oldcop = 0;	982	COP *oldcop = 0;
945	int oldcxix = -2;	983	int oldcxix = -2;
946	struct coro *coro = SvSTATE_current; /* trace cctx is tied to specific coro */
947	coro_cctx *cctx = coro->cctx;
948		984
949	while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))	985	while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))
950	{	986	{
951	PERL_ASYNC_CHECK ();	987	PERL_ASYNC_CHECK ();
952		988
953	if (cctx->flags & CC_TRACE_ALL)	989	if (cctx_current->flags & CC_TRACE_ALL)
954	{	990	{
955	if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB)	991	if (PL_op->op_type == OP_LEAVESUB && cctx_current->flags & CC_TRACE_SUB)
956	{	992	{
957	PERL_CONTEXT *cx = &cxstack[cxstack_ix];	993	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
958	SV **bot, **top;	994	SV **bot, **top;
959	AV *av = newAV (); /* return values */	995	AV *av = newAV (); /* return values */
960	SV **cb;	996	SV **cb;
…		…
997		1033
998	if (PL_curcop != &PL_compiling)	1034	if (PL_curcop != &PL_compiling)
999	{	1035	{
1000	SV **cb;	1036	SV **cb;
1001		1037
1002	if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB)	1038	if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB)
1003	{	1039	{
1004	PERL_CONTEXT *cx = &cxstack[cxstack_ix];	1040	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
1005		1041
1006	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)	1042	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)
1007	{	1043	{
1008	runops_proc_t old_runops = PL_runops;
1009	dSP;	1044	dSP;
1010	GV *gv = CvGV (cx->blk_sub.cv);	1045	GV *gv = CvGV (cx->blk_sub.cv);
1011	SV *fullname = sv_2mortal (newSV (0));	1046	SV *fullname = sv_2mortal (newSV (0));
1012		1047
1013	if (isGV (gv))	1048	if (isGV (gv))
…		…
1018	SAVETMPS;	1053	SAVETMPS;
1019	EXTEND (SP, 3);	1054	EXTEND (SP, 3);
1020	PUSHMARK (SP);	1055	PUSHMARK (SP);
1021	PUSHs (&PL_sv_yes);	1056	PUSHs (&PL_sv_yes);
1022	PUSHs (fullname);	1057	PUSHs (fullname);
1023	PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);	1058	PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
1024	PUTBACK;	1059	PUTBACK;
1025	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);	1060	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);	1061	if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
1027	SPAGAIN;	1062	SPAGAIN;
1028	FREETMPS;	1063	FREETMPS;
…		…
1031	}	1066	}
1032		1067
1033	oldcxix = cxstack_ix;	1068	oldcxix = cxstack_ix;
1034	}	1069	}
1035		1070
1036	if (cctx->flags & CC_TRACE_LINE)	1071	if (cctx_current->flags & CC_TRACE_LINE)
1037	{	1072	{
1038	dSP;	1073	dSP;
1039		1074
1040	PL_runops = RUNOPS_DEFAULT;	1075	PL_runops = RUNOPS_DEFAULT;
1041	ENTER;	1076	ENTER;
…		…
1060		1095
1061	TAINT_NOT;	1096	TAINT_NOT;
1062	return 0;	1097	return 0;
1063	}	1098	}
1064		1099
1065	static struct coro_cctx *cctx_ssl_cctx;
1066	static struct CoroSLF cctx_ssl_frame;	1100	static struct CoroSLF cctx_ssl_frame;
1067		1101
1068	static void	1102	static void
1069	slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta)	1103	slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta)
1070	{	1104	{
1071	ta->prev = (struct coro *)cctx_ssl_cctx;
1072	ta->next = 0;	1105	ta->prev = 0;
1073	}	1106	}
1074		1107
1075	static int	1108	static int
1076	slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame)	1109	slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame)
1077	{	1110	{
…		…
1080	return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */	1113	return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */
1081	}	1114	}
1082		1115
1083	/* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */	1116	/* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */
1084	static void NOINLINE	1117	static void NOINLINE
1085	cctx_prepare (pTHX_ coro_cctx *cctx)	1118	cctx_prepare (pTHX)
1086	{	1119	{
1087	PL_top_env = &PL_start_env;	1120	PL_top_env = &PL_start_env;
1088		1121
1089	if (cctx->flags & CC_TRACE)	1122	if (cctx_current->flags & CC_TRACE)
1090	PL_runops = runops_trace;	1123	PL_runops = runops_trace;
1091		1124
1092	/* we already must be executing an SLF op, there is no other valid way	1125	/* we already must be executing an SLF op, there is no other valid way
1093	* that can lead to creation of a new cctx */	1126	* that can lead to creation of a new cctx */
1094	assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)",	1127	assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)",
1095	slf_frame.prepare && PL_op->op_ppaddr == pp_slf));	1128	slf_frame.prepare && PL_op->op_ppaddr == pp_slf));
1096		1129
1097	/* we must emulate leaving pp_slf, which is done inside slf_check_set_stacklevel */	1130	/* 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;	1131	cctx_ssl_frame = slf_frame;
1100		1132
1101	slf_frame.prepare = slf_prepare_set_stacklevel;	1133	slf_frame.prepare = slf_prepare_set_stacklevel;
1102	slf_frame.check = slf_check_set_stacklevel;	1134	slf_frame.check = slf_check_set_stacklevel;
1103	}	1135	}
…		…
1126	/* normally we would need to skip the entersub here */	1158	/* normally we would need to skip the entersub here */
1127	/* not doing so will re-execute it, which is exactly what we want */	1159	/* not doing so will re-execute it, which is exactly what we want */
1128	/* PL_nop = PL_nop->op_next */	1160	/* PL_nop = PL_nop->op_next */
1129		1161
1130	/* inject a fake subroutine call to cctx_init */	1162	/* inject a fake subroutine call to cctx_init */
1131	cctx_prepare (aTHX_ (coro_cctx *)arg);	1163	cctx_prepare (aTHX);
1132		1164
1133	/* cctx_run is the alternative tail of transfer() */	1165	/* cctx_run is the alternative tail of transfer() */
1134	transfer_tail (aTHX);	1166	transfer_tail (aTHX);
1135		1167
1136	/* somebody or something will hit me for both perl_run and PL_restartop */	1168	/* somebody or something will hit me for both perl_run and PL_restartop */
1137	PL_restartop = PL_op;	1169	PL_restartop = PL_op;
1138	perl_run (PL_curinterp);	1170	perl_run (PL_curinterp);
		1171	/*
		1172	* Unfortunately, there is no way to get at the return values of the
		1173	* coro body here, as perl_run destroys these
		1174	*/
1139		1175
1140	/*	1176	/*
1141	* If perl-run returns we assume exit() was being called or the coro	1177	* 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)	1178	* 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	1179	* 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"	1180	* bootstrap-time "top" top_env, as we cannot restore the "main"
1145	* coroutine as Coro has no such concept	1181	* coroutine as Coro has no such concept.
		1182	* This actually isn't valid with the pthread backend, but OSes requiring
		1183	* that backend are too broken to do it in a standards-compliant way.
1146	*/	1184	*/
1147	PL_top_env = main_top_env;	1185	PL_top_env = main_top_env;
1148	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */	1186	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */
1149	}	1187	}
1150	}	1188	}
…		…
1227	cctx_destroy (coro_cctx *cctx)	1265	cctx_destroy (coro_cctx *cctx)
1228	{	1266	{
1229	if (!cctx)	1267	if (!cctx)
1230	return;	1268	return;
1231		1269
		1270	assert (cctx != cctx_current);//D temporary
		1271
1232	--cctx_count;	1272	--cctx_count;
1233	coro_destroy (&cctx->cctx);	1273	coro_destroy (&cctx->cctx);
1234		1274
1235	/* coro_transfer creates new, empty cctx's */	1275	/* coro_transfer creates new, empty cctx's */
1236	if (cctx->sptr)	1276	if (cctx->sptr)
…		…
1299	/* TODO: throwing up here is considered harmful */	1339	/* TODO: throwing up here is considered harmful */
1300		1340
1301	if (expect_true (prev != next))	1341	if (expect_true (prev != next))
1302	{	1342	{
1303	if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW))))	1343	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,");	1344	croak ("Coro::State::transfer called with a suspended prev Coro::State, but can only transfer from running or new states,");
1305		1345
1306	if (expect_false (next->flags & CF_RUNNING))	1346	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,");	1347	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states,");
1308		1348
1309	if (expect_false (next->flags & CF_DESTROYED))	1349	if (expect_false (next->flags & CF_DESTROYED))
…		…
1321	transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx)	1361	transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx)
1322	{	1362	{
1323	dSTACKLEVEL;	1363	dSTACKLEVEL;
1324		1364
1325	/* sometimes transfer is only called to set idle_sp */	1365	/* sometimes transfer is only called to set idle_sp */
1326	if (expect_false (!next))	1366	if (expect_false (!prev))
1327	{	1367	{
1328	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1368	cctx_current->idle_sp = STACKLEVEL;
1329	assert (((coro_cctx *)prev)->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */	1369	assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */
1330	}	1370	}
1331	else if (expect_true (prev != next))	1371	else if (expect_true (prev != next))
1332	{	1372	{
1333	coro_cctx *prev__cctx;	1373	coro_cctx *cctx_prev;
1334		1374
1335	if (expect_false (prev->flags & CF_NEW))	1375	if (expect_false (prev->flags & CF_NEW))
1336	{	1376	{
1337	/* create a new empty/source context */	1377	/* create a new empty/source context */
1338	prev->cctx = cctx_new_empty ();
1339	prev->flags &= ~CF_NEW;	1378	prev->flags &= ~CF_NEW;
1340	prev->flags |= CF_RUNNING;	1379	prev->flags |= CF_RUNNING;
1341	}	1380	}
1342		1381
1343	prev->flags &= ~CF_RUNNING;	1382	prev->flags &= ~CF_RUNNING;
…		…
1354	coro_setup (aTHX_ next);	1393	coro_setup (aTHX_ next);
1355	}	1394	}
1356	else	1395	else
1357	load_perl (aTHX_ next);	1396	load_perl (aTHX_ next);
1358		1397
1359	prev__cctx = prev->cctx;	1398	assert (!prev->cctx);//D temporary
1360		1399
1361	/* possibly untie and reuse the cctx */	1400	/* possibly untie and reuse the cctx */
1362	if (expect_true (	1401	if (expect_true (
1363	prev__cctx->idle_sp == STACKLEVEL	1402	cctx_current->idle_sp == STACKLEVEL
1364	&& !(prev__cctx->flags & CC_TRACE)	1403	&& !(cctx_current->flags & CC_TRACE)
1365	&& !force_cctx	1404	&& !force_cctx
1366	))	1405	))
1367	{	1406	{
1368	/* I assume that stacklevel is a stronger indicator than PL_top_env changes */	1407	/* 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));	1408	assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te));
1370		1409
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 */	1410	/* 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 */	1411	/* without this the next cctx_get might destroy the running cctx while still in use */
1375	if (expect_false (CCTX_EXPIRED (prev__cctx)))	1412	if (expect_false (CCTX_EXPIRED (cctx_current)))
1376	if (!next->cctx)	1413	if (expect_true (!next->cctx))
1377	next->cctx = cctx_get (aTHX);	1414	next->cctx = cctx_get (aTHX);
1378		1415
1379	cctx_put (prev__cctx);	1416	cctx_put (cctx_current);
1380	}	1417	}
		1418	else
		1419	prev->cctx = cctx_current;
1381		1420
1382	++next->usecount;	1421	++next->usecount;
1383		1422
1384	if (expect_true (!next->cctx))	1423	cctx_prev = cctx_current;
1385	next->cctx = cctx_get (aTHX);	1424	cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX);
1386		1425
1387	if (expect_false (prev__cctx != next->cctx))	1426	next->cctx = 0;
		1427
		1428	if (expect_false (cctx_prev != cctx_current))
1388	{	1429	{
1389	prev__cctx->top_env = PL_top_env;	1430	cctx_prev->top_env = PL_top_env;
1390	PL_top_env = next->cctx->top_env;	1431	PL_top_env = cctx_current->top_env;
1391	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);	1432	coro_transfer (&cctx_prev->cctx, &cctx_current->cctx);
1392	}	1433	}
1393		1434
1394	transfer_tail (aTHX);	1435	transfer_tail (aTHX);
1395	}	1436	}
1396	}	1437	}
…		…
1435		1476
1436	coro->slot = 0;	1477	coro->slot = 0;
1437	}	1478	}
1438		1479
1439	cctx_destroy (coro->cctx);	1480	cctx_destroy (coro->cctx);
		1481	SvREFCNT_dec (coro->startcv);
1440	SvREFCNT_dec (coro->args);	1482	SvREFCNT_dec (coro->args);
		1483	SvREFCNT_dec (CORO_THROW);
1441		1484
1442	if (coro->next) coro->next->prev = coro->prev;	1485	if (coro->next) coro->next->prev = coro->prev;
1443	if (coro->prev) coro->prev->next = coro->next;	1486	if (coro->prev) coro->prev->next = coro->next;
1444	if (coro == coro_first) coro_first = coro->next;	1487	if (coro == coro_first) coro_first = coro->next;
1445		1488
…		…
1549	{	1592	{
1550	struct coro *coro;	1593	struct coro *coro;
1551	SV *sv_hook;	1594	SV *sv_hook;
1552	void (*xs_hook)(void);	1595	void (*xs_hook)(void);
1553		1596
1554	if (SvROK (coro_sv))
1555	coro_sv = SvRV (coro_sv);
1556
1557	coro = SvSTATE (coro_sv);	1597	coro = SvSTATE (coro_sv);
1558		1598
1559	if (coro->flags & CF_READY)	1599	if (coro->flags & CF_READY)
1560	return 0;	1600	return 0;
1561		1601
…		…
1592	api_is_ready (pTHX_ SV *coro_sv)	1632	api_is_ready (pTHX_ SV *coro_sv)
1593	{	1633	{
1594	return !!(SvSTATE (coro_sv)->flags & CF_READY);	1634	return !!(SvSTATE (coro_sv)->flags & CF_READY);
1595	}	1635	}
1596		1636
		1637	/* expects to own a reference to next->hv */
1597	INLINE void	1638	INLINE void
1598	prepare_schedule (pTHX_ struct coro_transfer_args *ta)	1639	prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next)
1599	{	1640	{
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);	1641	SV *prev_sv = SvRV (coro_current);
		1642
1639	ta->prev = SvSTATE_hv (prev_sv);	1643	ta->prev = SvSTATE_hv (prev_sv);
		1644	ta->next = next;
		1645
1640	TRANSFER_CHECK (*ta);	1646	TRANSFER_CHECK (*ta);
1641	assert (("FATAL: next coroutine isn't marked as ready in Coro (please report)", ta->next->flags & CF_READY));	1647
1642	ta->next->flags &= ~CF_READY;
1643	SvRV_set (coro_current, next_sv);	1648	SvRV_set (coro_current, (SV *)next->hv);
1644		1649
1645	free_coro_mortal (aTHX);	1650	free_coro_mortal (aTHX);
1646	coro_mortal = prev_sv;	1651	coro_mortal = prev_sv;
1647	}	1652	}
1648		1653
		1654	static void
		1655	prepare_schedule (pTHX_ struct coro_transfer_args *ta)
		1656	{
		1657	for (;;)
		1658	{
		1659	SV *next_sv = coro_deq (aTHX);
		1660
		1661	if (expect_true (next_sv))
		1662	{
		1663	struct coro *next = SvSTATE_hv (next_sv);
		1664
		1665	/* cannot transfer to destroyed coros, skip and look for next */
		1666	if (expect_false (next->flags & CF_DESTROYED))
		1667	SvREFCNT_dec (next_sv); /* coro_nready has already been taken care of by destroy */
		1668	else
		1669	{
		1670	next->flags &= ~CF_READY;
		1671	--coro_nready;
		1672
		1673	prepare_schedule_to (aTHX_ ta, next);
		1674	break;
		1675	}
		1676	}
		1677	else
		1678	{
		1679	/* nothing to schedule: call the idle handler */
		1680	if (SvROK (sv_idle)
		1681	&& SvOBJECT (SvRV (sv_idle)))
		1682	{
		1683	++coro_nready; /* hack so that api_ready doesn't invoke ready hook */
		1684	api_ready (aTHX_ SvRV (sv_idle));
		1685	--coro_nready;
		1686	}
		1687	else
		1688	{
		1689	dSP;
		1690
		1691	ENTER;
		1692	SAVETMPS;
		1693
		1694	PUSHMARK (SP);
		1695	PUTBACK;
		1696	call_sv (sv_idle, G_VOID | G_DISCARD);
		1697
		1698	FREETMPS;
		1699	LEAVE;
		1700	}
		1701	}
		1702	}
		1703	}
		1704
1649	INLINE void	1705	INLINE void
1650	prepare_cede (pTHX_ struct coro_transfer_args *ta)	1706	prepare_cede (pTHX_ struct coro_transfer_args *ta)
1651	{	1707	{
1652	api_ready (aTHX_ coro_current);	1708	api_ready (aTHX_ coro_current);
1653	prepare_schedule (aTHX_ ta);	1709	prepare_schedule (aTHX_ ta);
…		…
1672	{	1728	{
1673	struct coro_transfer_args ta;	1729	struct coro_transfer_args ta;
1674		1730
1675	prepare_schedule (aTHX_ &ta);	1731	prepare_schedule (aTHX_ &ta);
1676	TRANSFER (ta, 1);	1732	TRANSFER (ta, 1);
		1733	}
		1734
		1735	static void
		1736	api_schedule_to (pTHX_ SV *coro_sv)
		1737	{
		1738	struct coro_transfer_args ta;
		1739	struct coro *next = SvSTATE (coro_sv);
		1740
		1741	SvREFCNT_inc_NN (coro_sv);
		1742	prepare_schedule_to (aTHX_ &ta, next);
1677	}	1743	}
1678		1744
1679	static int	1745	static int
1680	api_cede (pTHX)	1746	api_cede (pTHX)
1681	{	1747	{
…		…
1710	static void	1776	static void
1711	api_trace (pTHX_ SV *coro_sv, int flags)	1777	api_trace (pTHX_ SV *coro_sv, int flags)
1712	{	1778	{
1713	struct coro *coro = SvSTATE (coro_sv);	1779	struct coro *coro = SvSTATE (coro_sv);
1714		1780
		1781	if (coro->flags & CF_RUNNING)
		1782	croak ("cannot enable tracing on a running coroutine, caught");
		1783
1715	if (flags & CC_TRACE)	1784	if (flags & CC_TRACE)
1716	{	1785	{
1717	if (!coro->cctx)	1786	if (!coro->cctx)
1718	coro->cctx = cctx_new_run ();	1787	coro->cctx = cctx_new_run ();
1719	else if (!(coro->cctx->flags & CC_TRACE))	1788	else if (!(coro->cctx->flags & CC_TRACE))
1720	croak ("cannot enable tracing on coroutine with custom stack,");	1789	croak ("cannot enable tracing on coroutine with custom stack, caught");
1721		1790
1722	coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL));	1791	coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL));
1723	}	1792	}
1724	else if (coro->cctx && coro->cctx->flags & CC_TRACE)	1793	else if (coro->cctx && coro->cctx->flags & CC_TRACE)
1725	{	1794	{
…		…
1730	else	1799	else
1731	coro->slot->runops = RUNOPS_DEFAULT;	1800	coro->slot->runops = RUNOPS_DEFAULT;
1732	}	1801	}
1733	}	1802	}
1734		1803
		1804	static void
		1805	coro_call_on_destroy (pTHX_ struct coro *coro)
		1806	{
		1807	SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0);
		1808	SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0);
		1809
		1810	if (on_destroyp)
		1811	{
		1812	AV *on_destroy = (AV *)SvRV (*on_destroyp);
		1813
		1814	while (AvFILLp (on_destroy) >= 0)
		1815	{
		1816	dSP; /* don't disturb outer sp */
		1817	SV *cb = av_pop (on_destroy);
		1818
		1819	PUSHMARK (SP);
		1820
		1821	if (statusp)
		1822	{
		1823	int i;
		1824	AV *status = (AV *)SvRV (*statusp);
		1825	EXTEND (SP, AvFILLp (status) + 1);
		1826
		1827	for (i = 0; i <= AvFILLp (status); ++i)
		1828	PUSHs (AvARRAY (status)[i]);
		1829	}
		1830
		1831	PUTBACK;
		1832	call_sv (sv_2mortal (cb), G_VOID | G_DISCARD);
		1833	}
		1834	}
		1835	}
		1836
		1837	static void
		1838	slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
		1839	{
		1840	int i;
		1841	HV *hv = (HV *)SvRV (coro_current);
		1842	AV *av = newAV ();
		1843
		1844	av_extend (av, items - 1);
		1845	for (i = 0; i < items; ++i)
		1846	av_push (av, SvREFCNT_inc_NN (arg [i]));
		1847
		1848	hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0);
		1849
		1850	av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */
		1851	api_ready (aTHX_ sv_manager);
		1852
		1853	frame->prepare = prepare_schedule;
		1854	frame->check = slf_check_repeat;
		1855	}
		1856
		1857	/*****************************************************************************/
		1858	/* async pool handler */
		1859
		1860	static int
		1861	slf_check_pool_handler (pTHX_ struct CoroSLF *frame)
		1862	{
		1863	HV *hv = (HV *)SvRV (coro_current);
		1864	struct coro *coro = (struct coro *)frame->data;
		1865
		1866	if (!coro->invoke_cb)
		1867	return 1; /* loop till we have invoke */
		1868	else
		1869	{
		1870	hv_store (hv, "desc", sizeof ("desc") - 1,
		1871	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
		1872
		1873	coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv);
		1874
		1875	{
		1876	dSP;
		1877	XPUSHs (sv_2mortal (coro->invoke_cb)); coro->invoke_cb = 0;
		1878	PUTBACK;
		1879	}
		1880
		1881	SvREFCNT_dec (GvAV (PL_defgv));
		1882	GvAV (PL_defgv) = coro->invoke_av;
		1883	coro->invoke_av = 0;
		1884
		1885	return 0;
		1886	}
		1887	}
		1888
		1889	static void
		1890	slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
		1891	{
		1892	HV *hv = (HV *)SvRV (coro_current);
		1893	struct coro *coro = SvSTATE_hv ((SV *)hv);
		1894
		1895	if (expect_true (coro->saved_deffh))
		1896	{
		1897	/* subsequent iteration */
		1898	SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh;
		1899	coro->saved_deffh = 0;
		1900
		1901	if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss)
		1902	|| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
		1903	{
		1904	coro->invoke_cb = SvREFCNT_inc_NN ((SV *)cv_coro_terminate);
		1905	coro->invoke_av = newAV ();
		1906
		1907	frame->prepare = prepare_nop;
		1908	}
		1909	else
		1910	{
		1911	av_clear (GvAV (PL_defgv));
		1912	hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0);
		1913
		1914	coro->prio = 0;
		1915
		1916	if (coro->cctx && (coro->cctx->flags & CC_TRACE))
		1917	api_trace (aTHX_ coro_current, 0);
		1918
		1919	frame->prepare = prepare_schedule;
		1920	av_push (av_async_pool, SvREFCNT_inc (hv));
		1921	}
		1922	}
		1923	else
		1924	{
		1925	/* first iteration, simply fall through */
		1926	frame->prepare = prepare_nop;
		1927	}
		1928
		1929	frame->check = slf_check_pool_handler;
		1930	frame->data = (void *)coro;
		1931	}
		1932
1735	/*****************************************************************************/	1933	/*****************************************************************************/
1736	/* rouse callback */	1934	/* rouse callback */
1737		1935
1738	#define CORO_MAGIC_type_rouse PERL_MAGIC_ext	1936	#define CORO_MAGIC_type_rouse PERL_MAGIC_ext
1739		1937
…		…
1744	SV *data = (SV *)GENSUB_ARG;	1942	SV *data = (SV *)GENSUB_ARG;
1745		1943
1746	if (SvTYPE (SvRV (data)) != SVt_PVAV)	1944	if (SvTYPE (SvRV (data)) != SVt_PVAV)
1747	{	1945	{
1748	/* first call, set args */	1946	/* first call, set args */
1749	int i;
1750	AV *av = newAV ();	1947	AV *av = newAV ();
1751	SV *coro = SvRV (data);	1948	SV *coro = SvRV (data);
1752		1949
1753	SvRV_set (data, (SV *)av);	1950	SvRV_set (data, (SV *)av);
1754	api_ready (aTHX_ coro);	1951	api_ready (aTHX_ coro);
1755	SvREFCNT_dec (coro);	1952	SvREFCNT_dec (coro);
1756		1953
		1954	/* better take a full copy of the arguments */
1757	while (items--)	1955	while (items--)
1758	av_store (av, items, SvREFCNT_inc_NN (ST (items)));	1956	av_store (av, items, newSVsv (ST (items)));
1759	}	1957	}
1760		1958
1761	XSRETURN_EMPTY;	1959	XSRETURN_EMPTY;
1762	}	1960	}
1763		1961
…		…
1778	AV *av = (AV *)SvRV (data);	1976	AV *av = (AV *)SvRV (data);
1779	int i;	1977	int i;
1780		1978
1781	EXTEND (SP, AvFILLp (av) + 1);	1979	EXTEND (SP, AvFILLp (av) + 1);
1782	for (i = 0; i <= AvFILLp (av); ++i)	1980	for (i = 0; i <= AvFILLp (av); ++i)
1783	PUSHs (AvARRAY (av)[i]);	1981	PUSHs (sv_2mortal (AvARRAY (av)[i]));
		1982
		1983	/* we have stolen the elements, so ste length to zero and free */
		1984	AvFILLp (av) = -1;
		1985	av_undef (av);
1784		1986
1785	PUTBACK;	1987	PUTBACK;
1786	}	1988	}
1787		1989
1788	return 0;	1990	return 0;
…		…
1828	struct coro *coro = SvSTATE_hv (hv);	2030	struct coro *coro = SvSTATE_hv (hv);
1829	SV *data = newRV_inc ((SV *)hv);	2031	SV *data = newRV_inc ((SV *)hv);
1830	SV *cb = gensub (aTHX_ coro_rouse_callback, (void *)data);	2032	SV *cb = gensub (aTHX_ coro_rouse_callback, (void *)data);
1831		2033
1832	sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0);	2034	sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0);
		2035	SvREFCNT_dec (data); /* magicext increases the refcount */
1833		2036
1834	SvREFCNT_dec (coro->rouse_cb);	2037	SvREFCNT_dec (coro->rouse_cb);
1835	coro->rouse_cb = SvREFCNT_inc_NN (cb);	2038	coro->rouse_cb = SvREFCNT_inc_NN (cb);
1836		2039
1837	return cb;	2040	return cb;
…		…
1889	static void	2092	static void
1890	slf_init_schedule (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)	2093	slf_init_schedule (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
1891	{	2094	{
1892	frame->prepare = prepare_schedule;	2095	frame->prepare = prepare_schedule;
1893	frame->check = slf_check_nop;	2096	frame->check = slf_check_nop;
		2097	}
		2098
		2099	static void
		2100	slf_prepare_schedule_to (pTHX_ struct coro_transfer_args *ta)
		2101	{
		2102	struct coro *next = (struct coro *)slf_frame.data;
		2103
		2104	SvREFCNT_inc_NN (next->hv);
		2105	prepare_schedule_to (aTHX_ ta, next);
		2106	}
		2107
		2108	static void
		2109	slf_init_schedule_to (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
		2110	{
		2111	if (!items)
		2112	croak ("Coro::schedule_to expects a coroutine argument, caught");
		2113
		2114	frame->data = (void *)SvSTATE (arg [0]);
		2115	frame->prepare = slf_prepare_schedule_to;
		2116	frame->check = slf_check_nop;
		2117	}
		2118
		2119	static void
		2120	slf_init_cede_to (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
		2121	{
		2122	api_ready (aTHX_ SvRV (coro_current));
		2123
		2124	slf_init_schedule_to (aTHX_ frame, cv, arg, items);
1894	}	2125	}
1895		2126
1896	static void	2127	static void
1897	slf_init_cede (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)	2128	slf_init_cede (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
1898	{	2129	{
…		…
2044	}	2275	}
2045	else	2276	else
2046	slf_argc = 0;	2277	slf_argc = 0;
2047		2278
2048	PL_op->op_ppaddr = pp_slf;	2279	PL_op->op_ppaddr = pp_slf;
2049	PL_op->op_type = OP_CUSTOM; /* maybe we should leave it at entersub? */	2280	/*PL_op->op_type = OP_CUSTOM; /* we do behave like entersub still */
2050		2281
2051	PL_op = (OP *)&slf_restore;	2282	PL_op = (OP *)&slf_restore;
2052	}	2283	}
2053		2284
2054	/*****************************************************************************/	2285	/*****************************************************************************/
…		…
2137	SV **ary;	2368	SV **ary;
2138		2369
2139	/* unfortunately, building manually saves memory */	2370	/* unfortunately, building manually saves memory */
2140	Newx (ary, 2, SV *);	2371	Newx (ary, 2, SV *);
2141	AvALLOC (av) = ary;	2372	AvALLOC (av) = ary;
		2373	#if PERL_VERSION_ATLEAST (5,10,0)
2142	AvARRAY (av) = ary;	2374	AvARRAY (av) = ary;
		2375	#else
		2376	/* 5.8.8 needs this syntax instead of AvARRAY = ary, yet */
		2377	/* -DDEBUGGING flags this as a bug, despite it perfectly working */
		2378	SvPVX ((SV *)av) = (char *)ary;
		2379	#endif
2143	AvMAX (av) = 1;	2380	AvMAX (av) = 1;
2144	AvFILLp (av) = 0;	2381	AvFILLp (av) = 0;
2145	ary [0] = newSViv (count);	2382	ary [0] = newSViv (count);
2146		2383
2147	return newRV_noinc ((SV *)av);	2384	return newRV_noinc ((SV *)av);
…		…
2167	AvARRAY (av)[0] = AvARRAY (av)[1];	2404	AvARRAY (av)[0] = AvARRAY (av)[1];
2168	AvARRAY (av)[1] = count_sv;	2405	AvARRAY (av)[1] = count_sv;
2169	cb = av_shift (av);	2406	cb = av_shift (av);
2170		2407
2171	if (SvOBJECT (cb))	2408	if (SvOBJECT (cb))
		2409	{
2172	api_ready (aTHX_ cb);	2410	api_ready (aTHX_ cb);
2173	else	2411	--count;
2174	croak ("callbacks not yet supported");	2412	}
		2413	else if (SvTYPE (cb) == SVt_PVCV)
		2414	{
		2415	dSP;
		2416	PUSHMARK (SP);
		2417	XPUSHs (sv_2mortal (newRV_inc ((SV *)av)));
		2418	PUTBACK;
		2419	call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR);
		2420	}
2175		2421
2176	SvREFCNT_dec (cb);	2422	SvREFCNT_dec (cb);
2177
2178	--count;
2179	}	2423	}
2180	}	2424	}
2181		2425
2182	static void	2426	static void
2183	coro_semaphore_on_destroy (pTHX_ struct coro *coro)	2427	coro_semaphore_on_destroy (pTHX_ struct coro *coro)
…		…
2265	}	2509	}
2266		2510
2267	static void	2511	static void
2268	slf_init_semaphore_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)	2512	slf_init_semaphore_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
2269	{	2513	{
		2514	if (items >= 2)
		2515	{
		2516	/* callback form */
		2517	AV *av = (AV *)SvRV (arg [0]);
		2518	CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]);
		2519
		2520	av_push (av, (SV *)SvREFCNT_inc_NN (cb_cv));
		2521
		2522	if (SvIVX (AvARRAY (av)[0]) > 0)
		2523	coro_semaphore_adjust (aTHX_ av, 0);
		2524
		2525	frame->prepare = prepare_nop;
		2526	frame->check = slf_check_nop;
		2527	}
		2528	else
		2529	{
2270	slf_init_semaphore_down_or_wait (aTHX_ frame, cv, arg, items);	2530	slf_init_semaphore_down_or_wait (aTHX_ frame, cv, arg, items);
2271	frame->check = slf_check_semaphore_wait;	2531	frame->check = slf_check_semaphore_wait;
		2532	}
2272	}	2533	}
2273		2534
2274	/* signal */	2535	/* signal */
2275		2536
2276	static void	2537	static void
…		…
2348	dXSARGS;	2609	dXSARGS;
2349	AV *state = (AV *)GENSUB_ARG;	2610	AV *state = (AV *)GENSUB_ARG;
2350	SV *coro = av_pop (state);	2611	SV *coro = av_pop (state);
2351	SV *data_sv = newSV (sizeof (struct io_state));	2612	SV *data_sv = newSV (sizeof (struct io_state));
2352		2613
2353	av_extend (state, items);	2614	av_extend (state, items - 1);
2354		2615
2355	sv_upgrade (data_sv, SVt_PV);	2616	sv_upgrade (data_sv, SVt_PV);
2356	SvCUR_set (data_sv, sizeof (struct io_state));	2617	SvCUR_set (data_sv, sizeof (struct io_state));
2357	SvPOK_only (data_sv);	2618	SvPOK_only (data_sv);
2358		2619
…		…
2493	XSRETURN_EMPTY;	2754	XSRETURN_EMPTY;
2494	}	2755	}
2495		2756
2496	/*****************************************************************************/	2757	/*****************************************************************************/
2497		2758
		2759	#if CORO_CLONE
		2760	# include "clone.c"
		2761	#endif
		2762
2498	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	2763	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
2499		2764
2500	PROTOTYPES: DISABLE	2765	PROTOTYPES: DISABLE
2501		2766
2502	BOOT:	2767	BOOT:
…		…
2506	coro_thx = PERL_GET_CONTEXT;	2771	coro_thx = PERL_GET_CONTEXT;
2507	# endif	2772	# endif
2508	#endif	2773	#endif
2509	BOOT_PAGESIZE;	2774	BOOT_PAGESIZE;
2510		2775
		2776	cctx_current = cctx_new_empty ();
		2777
2511	irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV);	2778	irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV);
2512	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO);	2779	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO);
2513		2780
2514	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;	2781	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;
2515	orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;	2782	orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;
…		…
2534		2801
2535	{	2802	{
2536	SV *slf = sv_2mortal (newSViv (PTR2IV (pp_slf)));	2803	SV *slf = sv_2mortal (newSViv (PTR2IV (pp_slf)));
2537		2804
2538	if (!PL_custom_op_names) PL_custom_op_names = newHV ();	2805	if (!PL_custom_op_names) PL_custom_op_names = newHV ();
2539	hv_store_ent (PL_custom_op_names, slf,	2806	hv_store_ent (PL_custom_op_names, slf, newSVpv ("coro_slf", 0), 0);
2540	newSVpv ("coro_slf", 0), 0);
2541		2807
2542	if (!PL_custom_op_descs) PL_custom_op_descs = newHV ();	2808	if (!PL_custom_op_descs) PL_custom_op_descs = newHV ();
2543	hv_store_ent (PL_custom_op_descs, slf,	2809	hv_store_ent (PL_custom_op_descs, slf, newSVpv ("coro schedule like function", 0), 0);
2544	newSVpv ("coro schedule like function", 0), 0);
2545	}	2810	}
2546		2811
2547	coroapi.ver = CORO_API_VERSION;	2812	coroapi.ver = CORO_API_VERSION;
2548	coroapi.rev = CORO_API_REVISION;	2813	coroapi.rev = CORO_API_REVISION;
2549		2814
…		…
2568	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	2833	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
2569	}	2834	}
2570		2835
2571	SV *	2836	SV *
2572	new (char *klass, ...)	2837	new (char *klass, ...)
		2838	ALIAS:
		2839	Coro::new = 1
2573	CODE:	2840	CODE:
2574	{	2841	{
2575	struct coro *coro;	2842	struct coro *coro;
2576	MAGIC *mg;	2843	MAGIC *mg;
2577	HV *hv;	2844	HV *hv;
		2845	CV *cb;
2578	int i;	2846	int i;
		2847
		2848	if (items > 1)
		2849	{
		2850	cb = coro_sv_2cv (aTHX_ ST (1));
		2851
		2852	if (!ix)
		2853	{
		2854	if (CvISXSUB (cb))
		2855	croak ("Coro::State doesn't support XS functions as coroutine start, caught");
		2856
		2857	if (!CvROOT (cb))
		2858	croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught");
		2859	}
		2860	}
2579		2861
2580	Newz (0, coro, 1, struct coro);	2862	Newz (0, coro, 1, struct coro);
2581	coro->args = newAV ();	2863	coro->args = newAV ();
2582	coro->flags = CF_NEW;	2864	coro->flags = CF_NEW;
2583		2865
…		…
2588	coro->hv = hv = newHV ();	2870	coro->hv = hv = newHV ();
2589	mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0);	2871	mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0);
2590	mg->mg_flags |= MGf_DUP;	2872	mg->mg_flags |= MGf_DUP;
2591	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	2873	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
2592		2874
		2875	if (items > 1)
		2876	{
2593	av_extend (coro->args, items - 1);	2877	av_extend (coro->args, items - 1 + ix - 1);
		2878
		2879	if (ix)
		2880	{
		2881	av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb));
		2882	cb = cv_coro_run;
		2883	}
		2884
		2885	coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb);
		2886
2594	for (i = 1; i < items; i++)	2887	for (i = 2; i < items; i++)
2595	av_push (coro->args, newSVsv (ST (i)));	2888	av_push (coro->args, newSVsv (ST (i)));
		2889	}
2596	}	2890	}
2597	OUTPUT:	2891	OUTPUT:
2598	RETVAL	2892	RETVAL
2599		2893
2600	void	2894	void
…		…
2613	void	2907	void
2614	_exit (int code)	2908	_exit (int code)
2615	PROTOTYPE: $	2909	PROTOTYPE: $
2616	CODE:	2910	CODE:
2617	_exit (code);	2911	_exit (code);
		2912
		2913	SV *
		2914	clone (Coro::State coro)
		2915	CODE:
		2916	{
		2917	#if CORO_CLONE
		2918	struct coro *ncoro = coro_clone (coro);
		2919	MAGIC *mg;
		2920	/* TODO: too much duplication */
		2921	ncoro->hv = newHV ();
		2922	mg = sv_magicext ((SV *)ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)ncoro, 0);
		2923	mg->mg_flags |= MGf_DUP;
		2924	RETVAL = sv_bless (newRV_noinc ((SV *)ncoro->hv), SvSTASH (coro->hv));
		2925	#else
		2926	croak ("Coro::State->clone has not been configured into this installation of Coro, realised");
		2927	#endif
		2928	}
		2929	OUTPUT:
		2930	RETVAL
2618		2931
2619	int	2932	int
2620	cctx_stacksize (int new_stacksize = 0)	2933	cctx_stacksize (int new_stacksize = 0)
2621	PROTOTYPE: ;$	2934	PROTOTYPE: ;$
2622	CODE:	2935	CODE:
…		…
2743		3056
2744	SV *	3057	SV *
2745	has_cctx (Coro::State coro)	3058	has_cctx (Coro::State coro)
2746	PROTOTYPE: $	3059	PROTOTYPE: $
2747	CODE:	3060	CODE:
2748	RETVAL = boolSV (!!coro->cctx);	3061	/* maybe manage the running flag differently */
		3062	RETVAL = boolSV (!!coro->cctx || (coro->flags & CF_RUNNING));
2749	OUTPUT:	3063	OUTPUT:
2750	RETVAL	3064	RETVAL
2751		3065
2752	int	3066	int
2753	is_traced (Coro::State coro)	3067	is_traced (Coro::State coro)
…		…
2773		3087
2774	void	3088	void
2775	force_cctx ()	3089	force_cctx ()
2776	PROTOTYPE:	3090	PROTOTYPE:
2777	CODE:	3091	CODE:
2778	SvSTATE_current->cctx->idle_sp = 0;	3092	cctx_current->idle_sp = 0;
2779		3093
2780	void	3094	void
2781	swap_defsv (Coro::State self)	3095	swap_defsv (Coro::State self)
2782	PROTOTYPE: $	3096	PROTOTYPE: $
2783	ALIAS:	3097	ALIAS:
…		…
2798		3112
2799	BOOT:	3113	BOOT:
2800	{	3114	{
2801	int i;	3115	int i;
2802		3116
2803	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
2804	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);	3117	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
2805	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);	3118	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
2806		3119	cv_coro_run = get_cv ( "Coro::_terminate", GV_ADD);
		3120	cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD);
2807	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);	3121	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);
2808	SvREADONLY_on (coro_current);	3122	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
		3123	av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE);
		3124	sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE);
		3125	sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE);
		3126
		3127	sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle);
		3128	sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro);
		3129	cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler);
		3130	cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new);
2809		3131
2810	coro_stash = gv_stashpv ("Coro", TRUE);	3132	coro_stash = gv_stashpv ("Coro", TRUE);
2811		3133
2812	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	3134	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
2813	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	3135	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
…		…
2821		3143
2822	{	3144	{
2823	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);	3145	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);
2824		3146
2825	coroapi.schedule = api_schedule;	3147	coroapi.schedule = api_schedule;
		3148	coroapi.schedule_to = api_schedule_to;
2826	coroapi.cede = api_cede;	3149	coroapi.cede = api_cede;
2827	coroapi.cede_notself = api_cede_notself;	3150	coroapi.cede_notself = api_cede_notself;
2828	coroapi.ready = api_ready;	3151	coroapi.ready = api_ready;
2829	coroapi.is_ready = api_is_ready;	3152	coroapi.is_ready = api_is_ready;
2830	coroapi.nready = coro_nready;	3153	coroapi.nready = coro_nready;
…		…
2835	SvREADONLY_on (sv);	3158	SvREADONLY_on (sv);
2836	}	3159	}
2837	}	3160	}
2838		3161
2839	void	3162	void
		3163	terminate (...)
		3164	CODE:
		3165	CORO_EXECUTE_SLF_XS (slf_init_terminate);
		3166
		3167	void
2840	schedule (...)	3168	schedule (...)
2841	CODE:	3169	CODE:
2842	CORO_EXECUTE_SLF_XS (slf_init_schedule);	3170	CORO_EXECUTE_SLF_XS (slf_init_schedule);
		3171
		3172	void
		3173	schedule_to (...)
		3174	CODE:
		3175	CORO_EXECUTE_SLF_XS (slf_init_schedule_to);
		3176
		3177	void
		3178	cede_to (...)
		3179	CODE:
		3180	CORO_EXECUTE_SLF_XS (slf_init_cede_to);
2843		3181
2844	void	3182	void
2845	cede (...)	3183	cede (...)
2846	CODE:	3184	CODE:
2847	CORO_EXECUTE_SLF_XS (slf_init_cede);	3185	CORO_EXECUTE_SLF_XS (slf_init_cede);
2848		3186
2849	void	3187	void
2850	cede_notself (...)	3188	cede_notself (...)
2851	CODE:	3189	CODE:
2852	CORO_EXECUTE_SLF_XS (slf_init_cede_notself);	3190	CORO_EXECUTE_SLF_XS (slf_init_cede_notself);
		3191
		3192	void
		3193	_cancel (Coro::State self)
		3194	CODE:
		3195	coro_state_destroy (aTHX_ self);
		3196	coro_call_on_destroy (aTHX_ self);
2853		3197
2854	void	3198	void
2855	_set_current (SV *current)	3199	_set_current (SV *current)
2856	PROTOTYPE: $	3200	PROTOTYPE: $
2857	CODE:	3201	CODE:
…		…
2902	CODE:	3246	CODE:
2903	RETVAL = coro_nready;	3247	RETVAL = coro_nready;
2904	OUTPUT:	3248	OUTPUT:
2905	RETVAL	3249	RETVAL
2906		3250
2907	# for async_pool speedup
2908	void	3251	void
2909	_pool_1 (SV *cb)	3252	_pool_handler (...)
2910	CODE:	3253	CODE:
2911	{	3254	CORO_EXECUTE_SLF_XS (slf_init_pool_handler);
2912	HV *hv = (HV *)SvRV (coro_current);
2913	struct coro *coro = SvSTATE_hv ((SV *)hv);
2914	AV *defav = GvAV (PL_defgv);
2915	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
2916	AV *invoke_av;
2917	int i, len;
2918		3255
2919	if (!invoke)	3256	void
		3257	async_pool (SV *cv, ...)
		3258	PROTOTYPE: &@
		3259	PPCODE:
		3260	{
		3261	HV *hv = (HV *)av_pop (av_async_pool);
		3262	AV *av = newAV ();
		3263	SV *cb = ST (0);
		3264	int i;
		3265
		3266	av_extend (av, items - 2);
		3267	for (i = 1; i < items; ++i)
		3268	av_push (av, SvREFCNT_inc_NN (ST (i)));
		3269
		3270	if ((SV *)hv == &PL_sv_undef)
2920	{	3271	{
2921	SV *old = PL_diehook;	3272	PUSHMARK (SP);
2922	PL_diehook = 0;	3273	EXTEND (SP, 2);
2923	SvREFCNT_dec (old);	3274	PUSHs (sv_Coro);
2924	croak ("\3async_pool terminate\2\n");	3275	PUSHs ((SV *)cv_pool_handler);
		3276	PUTBACK;
		3277	call_sv ((SV *)cv_coro_state_new, G_SCALAR);
		3278	SPAGAIN;
		3279
		3280	hv = (HV *)SvREFCNT_inc_NN (SvRV (POPs));
2925	}	3281	}
2926		3282
2927	SvREFCNT_dec (coro->saved_deffh);
2928	coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv);
2929
2930	hv_store (hv, "desc", sizeof ("desc") - 1,
2931	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
2932
2933	invoke_av = (AV *)SvRV (invoke);
2934	len = av_len (invoke_av);
2935
2936	sv_setsv (cb, AvARRAY (invoke_av)[0]);
2937
2938	if (len > 0)
2939	{	3283	{
2940	av_fill (defav, len - 1);	3284	struct coro *coro = SvSTATE_hv (hv);
2941	for (i = 0; i < len; ++i)	3285
2942	av_store (defav, i, SvREFCNT_inc_NN (AvARRAY (invoke_av)[i + 1]));	3286	assert (!coro->invoke_cb);
		3287	assert (!coro->invoke_av);
		3288	coro->invoke_cb = SvREFCNT_inc (cb);
		3289	coro->invoke_av = av;
2943	}	3290	}
2944	}
2945		3291
2946	void	3292	api_ready (aTHX_ (SV *)hv);
2947	_pool_2 (SV *cb)
2948	CODE:
2949	{
2950	HV *hv = (HV *)SvRV (coro_current);
2951	struct coro *coro = SvSTATE_hv ((SV *)hv);
2952		3293
2953	sv_setsv (cb, &PL_sv_undef);	3294	if (GIMME_V != G_VOID)
2954		3295	XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv)));
2955	SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh;	3296	else
2956	coro->saved_deffh = 0;
2957
2958	if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss)
2959	|| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
2960	{
2961	SV *old = PL_diehook;
2962	PL_diehook = 0;
2963	SvREFCNT_dec (old);	3297	SvREFCNT_dec (hv);
2964	croak ("\3async_pool terminate\2\n");
2965	}
2966
2967	av_clear (GvAV (PL_defgv));
2968	hv_store (hv, "desc", sizeof ("desc") - 1,
2969	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
2970
2971	coro->prio = 0;
2972
2973	if (coro->cctx && (coro->cctx->flags & CC_TRACE))
2974	api_trace (aTHX_ coro_current, 0);
2975
2976	av_push (av_async_pool, newSVsv (coro_current));
2977	}	3298	}
2978		3299
2979	SV *	3300	SV *
2980	rouse_cb ()	3301	rouse_cb ()
2981	PROTOTYPE:	3302	PROTOTYPE:
…		…
2983	RETVAL = coro_new_rouse_cb (aTHX);	3304	RETVAL = coro_new_rouse_cb (aTHX);
2984	OUTPUT:	3305	OUTPUT:
2985	RETVAL	3306	RETVAL
2986		3307
2987	void	3308	void
2988	rouse_wait (SV *cb = 0)	3309	rouse_wait (...)
2989	PROTOTYPE: ;$	3310	PROTOTYPE: ;$
2990	PPCODE:	3311	PPCODE:
2991	CORO_EXECUTE_SLF_XS (slf_init_rouse_wait);	3312	CORO_EXECUTE_SLF_XS (slf_init_rouse_wait);
2992		3313
2993		3314
…		…
3030	adjust = 1	3351	adjust = 1
3031	CODE:	3352	CODE:
3032	coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), ix ? adjust : 1);	3353	coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), ix ? adjust : 1);
3033		3354
3034	void	3355	void
3035	down (SV *self)	3356	down (...)
3036	CODE:	3357	CODE:
3037	CORO_EXECUTE_SLF_XS (slf_init_semaphore_down);	3358	CORO_EXECUTE_SLF_XS (slf_init_semaphore_down);
3038		3359
3039	void	3360	void
3040	wait (SV *self)	3361	wait (...)
3041	CODE:	3362	CODE:
3042	CORO_EXECUTE_SLF_XS (slf_init_semaphore_wait);	3363	CORO_EXECUTE_SLF_XS (slf_init_semaphore_wait);
3043		3364
3044	void	3365	void
3045	try (SV *self)	3366	try (SV *self)
…		…
3088	);	3409	);
3089	OUTPUT:	3410	OUTPUT:
3090	RETVAL	3411	RETVAL
3091		3412
3092	void	3413	void
3093	wait (SV *self)	3414	wait (...)
3094	CODE:	3415	CODE:
3095	CORO_EXECUTE_SLF_XS (slf_init_signal_wait);	3416	CORO_EXECUTE_SLF_XS (slf_init_signal_wait);
3096		3417
3097	void	3418	void
3098	broadcast (SV *self)	3419	broadcast (SV *self)
…		…
3155		3476
3156	void	3477	void
3157	_register (char *target, char *proto, SV *req)	3478	_register (char *target, char *proto, SV *req)
3158	CODE:	3479	CODE:
3159	{	3480	{
3160	HV *st;	3481	CV *req_cv = coro_sv_2cv (aTHX_ req);
3161	GV *gvp;
3162	CV *req_cv = sv_2cv (req, &st, &gvp, 0);
3163	/* newXSproto doesn't return the CV on 5.8 */	3482	/* newXSproto doesn't return the CV on 5.8 */
3164	CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__);	3483	CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__);
3165	sv_setpv ((SV *)slf_cv, proto);	3484	sv_setpv ((SV *)slf_cv, proto);
3166	sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0);	3485	sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0);
3167	}	3486	}

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