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/cvs/Coro/Coro/State.xs

Comparing Coro/Coro/State.xs (file contents):
Revision 1.299 by root, Wed Nov 19 00:06:55 2008 UTC vs.
Revision 1.331 by root, Thu Nov 27 12:00:59 2008 UTC

…		…
16		16
17	#ifdef WIN32	17	#ifdef WIN32
18	# undef setjmp	18	# undef setjmp
19	# undef longjmp	19	# undef longjmp
20	# undef _exit	20	# undef _exit
21	# define setjmp _setjmp // deep magic, don't ask	21	# define setjmp _setjmp /* deep magic */
22	#else	22	#else
23	# include <inttypes.h> /* most portable stdint.h */	23	# include <inttypes.h> /* most portable stdint.h */
24	#endif	24	#endif
25		25
26	#ifdef HAVE_MMAP	26	#ifdef HAVE_MMAP
…		…
55		55
56	#define PERL_VERSION_ATLEAST(a,b,c) \	56	#define PERL_VERSION_ATLEAST(a,b,c) \
57	(PERL_REVISION > (a) \	57	(PERL_REVISION > (a) \
58	|| (PERL_REVISION == (a) \	58	|| (PERL_REVISION == (a) \
59	&& (PERL_VERSION > (b) \	59	&& (PERL_VERSION > (b) \
60	|| (PERL_VERSION == (b) && PERLSUBVERSION >= (c)))))	60	|| (PERL_VERSION == (b) && PERL_SUBVERSION >= (c)))))
61		61
62	#if !PERL_VERSION_ATLEAST (5,6,0)	62	#if !PERL_VERSION_ATLEAST (5,6,0)
63	# ifndef PL_ppaddr	63	# ifndef PL_ppaddr
64	# define PL_ppaddr ppaddr	64	# define PL_ppaddr ppaddr
65	# endif	65	# endif
…		…
98	# define newSV(l) NEWSV(0,l)	98	# define newSV(l) NEWSV(0,l)
99	#endif	99	#endif
100	#ifndef CvISXSUB_on	100	#ifndef CvISXSUB_on
101	# define CvISXSUB_on(cv) (void)cv	101	# define CvISXSUB_on(cv) (void)cv
102	#endif	102	#endif
		103	#ifndef CvISXSUB
		104	# define CvISXSUB(cv) (CvXSUB (cv) ? TRUE : FALSE)
		105	#endif
		106	#ifndef Newx
		107	# define Newx(ptr,nitems,type) New (0,ptr,nitems,type)
		108	#endif
103		109
104	/* 5.8.7 */	110	/* 5.8.7 */
105	#ifndef SvRV_set	111	#ifndef SvRV_set
106	# define SvRV_set(s,v) SvRV(s) = (v)	112	# define SvRV_set(s,v) SvRV(s) = (v)
107	#endif	113	#endif
…		…
127	#else	133	#else
128	# define dSTACKLEVEL volatile void *stacklevel	134	# define dSTACKLEVEL volatile void *stacklevel
129	# define STACKLEVEL ((void *)&stacklevel)	135	# define STACKLEVEL ((void *)&stacklevel)
130	#endif	136	#endif
131		137
132	#define IN_DESTRUCT (PL_main_cv == Nullcv)	138	#define IN_DESTRUCT PL_dirty
133		139
134	#if __GNUC__ >= 3	140	#if __GNUC__ >= 3
135	# define attribute(x) __attribute__(x)	141	# define attribute(x) __attribute__(x)
136	# define expect(expr,value) __builtin_expect ((expr),(value))	142	# define expect(expr,value) __builtin_expect ((expr),(value))
137	# define INLINE static inline	143	# define INLINE static inline
…		…
167	static AV *main_mainstack; /* used to differentiate between $main and others */	173	static AV *main_mainstack; /* used to differentiate between $main and others */
168	static JMPENV *main_top_env;	174	static JMPENV *main_top_env;
169	static HV *coro_state_stash, *coro_stash;	175	static HV *coro_state_stash, *coro_stash;
170	static volatile SV *coro_mortal; /* will be freed/thrown after next transfer */	176	static volatile SV *coro_mortal; /* will be freed/thrown after next transfer */
171		177
		178	static AV *av_destroy; /* destruction queue */
		179	static SV *sv_manager; /* the manager coro */
		180	static SV *sv_idle; /* $Coro::idle */
		181
172	static GV *irsgv; /* $/ */	182	static GV *irsgv; /* $/ */
173	static GV *stdoutgv; /* *STDOUT */	183	static GV *stdoutgv; /* *STDOUT */
174	static SV *rv_diehook;	184	static SV *rv_diehook;
175	static SV *rv_warnhook;	185	static SV *rv_warnhook;
176	static HV *hv_sig; /* %SIG */	186	static HV *hv_sig; /* %SIG */
177		187
178	/* async_pool helper stuff */	188	/* async_pool helper stuff */
179	static SV *sv_pool_rss;	189	static SV *sv_pool_rss;
180	static SV *sv_pool_size;	190	static SV *sv_pool_size;
		191	static SV *sv_async_pool_idle; /* description string */
181	static AV *av_async_pool;	192	static AV *av_async_pool; /* idle pool */
		193	static SV *sv_Coro; /* class string */
		194	static CV *cv_pool_handler;
		195	static CV *cv_coro_state_new;
182		196
183	/* Coro::AnyEvent */	197	/* Coro::AnyEvent */
184	static SV *sv_activity;	198	static SV *sv_activity;
185		199
186	static struct coro_cctx *cctx_first;	200	static struct coro_cctx *cctx_first;
…		…
215	int valgrind_id;	229	int valgrind_id;
216	#endif	230	#endif
217	unsigned char flags;	231	unsigned char flags;
218	} coro_cctx;	232	} coro_cctx;
219		233
		234	coro_cctx *cctx_current; /* the currently running cctx */
		235
		236	/*****************************************************************************/
		237
220	enum {	238	enum {
221	CF_RUNNING = 0x0001, /* coroutine is running */	239	CF_RUNNING = 0x0001, /* coroutine is running */
222	CF_READY = 0x0002, /* coroutine is ready */	240	CF_READY = 0x0002, /* coroutine is ready */
223	CF_NEW = 0x0004, /* has never been switched to */	241	CF_NEW = 0x0004, /* has never been switched to */
224	CF_DESTROYED = 0x0008, /* coroutine data has been freed */	242	CF_DESTROYED = 0x0008, /* coroutine data has been freed */
…		…
229	{	247	{
230	SV *defsv;	248	SV *defsv;
231	AV *defav;	249	AV *defav;
232	SV *errsv;	250	SV *errsv;
233	SV *irsgv;	251	SV *irsgv;
		252	HV *hinthv;
234	#define VAR(name,type) type name;	253	#define VAR(name,type) type name;
235	# include "state.h"	254	# include "state.h"
236	#undef VAR	255	#undef VAR
237	} perl_slots;	256	} perl_slots;
238		257
…		…
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
260	/* coro process data */	280	/* coro process data */
261	int prio;	281	int prio;
262	SV *except; /* exception to be thrown */	282	SV *except; /* exception to be thrown */
		283	SV *rouse_cb;
263		284
264	/* async_pool */	285	/* async_pool */
265	SV *saved_deffh;	286	SV *saved_deffh;
		287	SV *invoke_cb;
		288	AV *invoke_av;
266		289
267	/* linked list */	290	/* linked list */
268	struct coro *next, *prev;	291	struct coro *next, *prev;
269	};	292	};
270		293
…		…
287		310
288	/* for Coro.pm */	311	/* for Coro.pm */
289	static SV *coro_current;	312	static SV *coro_current;
290	static SV *coro_readyhook;	313	static SV *coro_readyhook;
291	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;
292	static struct coro *coro_first;	316	static struct coro *coro_first;
293	#define coro_nready coroapi.nready	317	#define coro_nready coroapi.nready
294		318
295	/** lowlevel stuff **********************************************************/	319	/** lowlevel stuff **********************************************************/
296		320
…		…
322	get_hv (name, create);	346	get_hv (name, create);
323	#endif	347	#endif
324	return get_hv (name, create);	348	return get_hv (name, create);
325	}	349	}
326		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
327	static AV *	360	static AV *
328	coro_clone_padlist (pTHX_ CV *cv)	361	coro_derive_padlist (pTHX_ CV *cv)
329	{	362	{
330	AV *padlist = CvPADLIST (cv);	363	AV *padlist = CvPADLIST (cv);
331	AV *newpadlist, *newpad;	364	AV *newpadlist, *newpad;
332		365
333	newpadlist = newAV ();	366	newpadlist = newAV ();
…		…
348		381
349	static void	382	static void
350	free_padlist (pTHX_ AV *padlist)	383	free_padlist (pTHX_ AV *padlist)
351	{	384	{
352	/* may be during global destruction */	385	/* may be during global destruction */
353	if (SvREFCNT (padlist))	386	if (!IN_DESTRUCT)
354	{	387	{
355	I32 i = AvFILLp (padlist);	388	I32 i = AvFILLp (padlist);
		389
356	while (i >= 0)	390	while (i >= 0)
357	{	391	{
358	SV **svp = av_fetch (padlist, i--, FALSE);	392	/* we try to be extra-careful here */
359	if (svp)	393	AV *av = (AV *)AvARRAY (padlist)[i--];
360	{	394
361	SV *sv;	395	I32 i = AvFILLp (av);
362	while (&PL_sv_undef != (sv = av_pop ((AV *)*svp)))	396
		397	while (i >= 0)
		398	SvREFCNT_dec (AvARRAY (av)[i--]);
		399
		400	AvFILLp (av) = -1;
363	SvREFCNT_dec (sv);	401	SvREFCNT_dec (av);
364
365	SvREFCNT_dec (*svp);
366	}
367	}	402	}
368		403
		404	AvFILLp (padlist) = -1;
369	SvREFCNT_dec ((SV*)padlist);	405	SvREFCNT_dec ((SV*)padlist);
370	}	406	}
371	}	407	}
372		408
373	static int	409	static int
…		…
448	else	484	else
449	{	485	{
450	#if CORO_PREFER_PERL_FUNCTIONS	486	#if CORO_PREFER_PERL_FUNCTIONS
451	/* this is probably cleaner? but also slower! */	487	/* this is probably cleaner? but also slower! */
452	/* in practise, it seems to be less stable */	488	/* in practise, it seems to be less stable */
453	CV *cp = Perl_cv_clone (cv);	489	CV *cp = Perl_cv_clone (aTHX_ cv);
454	CvPADLIST (cv) = CvPADLIST (cp);	490	CvPADLIST (cv) = CvPADLIST (cp);
455	CvPADLIST (cp) = 0;	491	CvPADLIST (cp) = 0;
456	SvREFCNT_dec (cp);	492	SvREFCNT_dec (cp);
457	#else	493	#else
458	CvPADLIST (cv) = coro_clone_padlist (aTHX_ cv);	494	CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv);
459	#endif	495	#endif
460	}	496	}
461	}	497	}
462		498
463	static void	499	static void
…		…
470	mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);	506	mg = sv_magicext ((SV *)cv, (SV *)newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);
471		507
472	av = (AV *)mg->mg_obj;	508	av = (AV *)mg->mg_obj;
473		509
474	if (expect_false (AvFILLp (av) >= AvMAX (av)))	510	if (expect_false (AvFILLp (av) >= AvMAX (av)))
475	av_extend (av, AvMAX (av) + 1);	511	av_extend (av, AvFILLp (av) + 1);
476		512
477	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);	513	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
478	}	514	}
479		515
480	/** load & save, init *******************************************************/	516	/** load & save, init *******************************************************/
…		…
485	perl_slots *slot = c->slot;	521	perl_slots *slot = c->slot;
486	c->slot = 0;	522	c->slot = 0;
487		523
488	PL_mainstack = c->mainstack;	524	PL_mainstack = c->mainstack;
489		525
490	GvSV (PL_defgv) = slot->defsv;	526	GvSV (PL_defgv) = slot->defsv;
491	GvAV (PL_defgv) = slot->defav;	527	GvAV (PL_defgv) = slot->defav;
492	GvSV (PL_errgv) = slot->errsv;	528	GvSV (PL_errgv) = slot->errsv;
493	GvSV (irsgv) = slot->irsgv;	529	GvSV (irsgv) = slot->irsgv;
		530	GvHV (PL_hintgv) = slot->hinthv;
494		531
495	#define VAR(name,type) PL_ ## name = slot->name;	532	#define VAR(name,type) PL_ ## name = slot->name;
496	# include "state.h"	533	# include "state.h"
497	#undef VAR	534	#undef VAR
498		535
…		…
584	c->mainstack = PL_mainstack;	621	c->mainstack = PL_mainstack;
585		622
586	{	623	{
587	perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1);	624	perl_slots *slot = c->slot = (perl_slots *)(cxstack + cxstack_ix + 1);
588		625
589	slot->defav = GvAV (PL_defgv);	626	slot->defav = GvAV (PL_defgv);
590	slot->defsv = DEFSV;	627	slot->defsv = DEFSV;
591	slot->errsv = ERRSV;	628	slot->errsv = ERRSV;
592	slot->irsgv = GvSV (irsgv);	629	slot->irsgv = GvSV (irsgv);
		630	slot->hinthv = GvHV (PL_hintgv);
593		631
594	#define VAR(name,type) slot->name = PL_ ## name;	632	#define VAR(name,type) slot->name = PL_ ## name;
595	# include "state.h"	633	# include "state.h"
596	#undef VAR	634	#undef VAR
597	}	635	}
…		…
602	* of perl.c:init_stacks, except that it uses less memory	640	* of perl.c:init_stacks, except that it uses less memory
603	* on the (sometimes correct) assumption that coroutines do	641	* on the (sometimes correct) assumption that coroutines do
604	* not usually need a lot of stackspace.	642	* not usually need a lot of stackspace.
605	*/	643	*/
606	#if CORO_PREFER_PERL_FUNCTIONS	644	#if CORO_PREFER_PERL_FUNCTIONS
607	# define coro_init_stacks init_stacks	645	# define coro_init_stacks(thx) init_stacks ()
608	#else	646	#else
609	static void	647	static void
610	coro_init_stacks (pTHX)	648	coro_init_stacks (pTHX)
611	{	649	{
612	PL_curstackinfo = new_stackinfo(32, 8);	650	PL_curstackinfo = new_stackinfo(32, 8);
…		…
675	#if !PERL_VERSION_ATLEAST (5,10,0)	713	#if !PERL_VERSION_ATLEAST (5,10,0)
676	Safefree (PL_retstack);	714	Safefree (PL_retstack);
677	#endif	715	#endif
678	}	716	}
679		717
		718	#define CORO_RSS \
		719	rss += sizeof (SYM (curstackinfo)); \
		720	rss += (SYM (curstackinfo->si_cxmax) + 1) * sizeof (PERL_CONTEXT); \
		721	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (SYM (curstack))) * sizeof (SV *); \
		722	rss += SYM (tmps_max) * sizeof (SV *); \
		723	rss += (SYM (markstack_max) - SYM (markstack_ptr)) * sizeof (I32); \
		724	rss += SYM (scopestack_max) * sizeof (I32); \
		725	rss += SYM (savestack_max) * sizeof (ANY);
		726
680	static size_t	727	static size_t
681	coro_rss (pTHX_ struct coro *coro)	728	coro_rss (pTHX_ struct coro *coro)
682	{	729	{
683	size_t rss = sizeof (*coro);	730	size_t rss = sizeof (*coro);
684		731
685	if (coro->mainstack)	732	if (coro->mainstack)
686	{	733	{
687	perl_slots tmp_slot;
688	perl_slots *slot;
689
690	if (coro->flags & CF_RUNNING)	734	if (coro->flags & CF_RUNNING)
691	{	735	{
692	slot = &tmp_slot;	736	#define SYM(sym) PL_ ## sym
693		737	CORO_RSS;
694	#define VAR(name,type) slot->name = PL_ ## name;
695	# include "state.h"
696	#undef VAR	738	#undef SYM
697	}	739	}
698	else	740	else
699	slot = coro->slot;
700
701	if (slot)
702	{	741	{
703	rss += sizeof (slot->curstackinfo);	742	#define SYM(sym) coro->slot->sym
704	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);	743	CORO_RSS;
705	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);	744	#undef SYM
706	rss += slot->tmps_max * sizeof (SV *);
707	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
708	rss += slot->scopestack_max * sizeof (I32);
709	rss += slot->savestack_max * sizeof (ANY);
710
711	#if !PERL_VERSION_ATLEAST (5,10,0)
712	rss += slot->retstack_max * sizeof (OP *);
713	#endif
714	}	745	}
715	}	746	}
716		747
717	return rss;	748	return rss;
718	}	749	}
…		…
820	slf_check_nop (pTHX_ struct CoroSLF *frame)	851	slf_check_nop (pTHX_ struct CoroSLF *frame)
821	{	852	{
822	return 0;	853	return 0;
823	}	854	}
824		855
		856	static int
		857	slf_check_repeat (pTHX_ struct CoroSLF *frame)
		858	{
		859	return 1;
		860	}
		861
825	static UNOP coro_setup_op;	862	static UNOP coro_setup_op;
826		863
827	static void NOINLINE /* noinline to keep it out of the transfer fast path */	864	static void NOINLINE /* noinline to keep it out of the transfer fast path */
828	coro_setup (pTHX_ struct coro *coro)	865	coro_setup (pTHX_ struct coro *coro)
829	{	866	{
…		…
834		871
835	PL_runops = RUNOPS_DEFAULT;	872	PL_runops = RUNOPS_DEFAULT;
836	PL_curcop = &PL_compiling;	873	PL_curcop = &PL_compiling;
837	PL_in_eval = EVAL_NULL;	874	PL_in_eval = EVAL_NULL;
838	PL_comppad = 0;	875	PL_comppad = 0;
		876	PL_comppad_name = 0;
		877	PL_comppad_name_fill = 0;
		878	PL_comppad_name_floor = 0;
839	PL_curpm = 0;	879	PL_curpm = 0;
840	PL_curpad = 0;	880	PL_curpad = 0;
841	PL_localizing = 0;	881	PL_localizing = 0;
842	PL_dirty = 0;	882	PL_dirty = 0;
843	PL_restartop = 0;	883	PL_restartop = 0;
844	#if PERL_VERSION_ATLEAST (5,10,0)	884	#if PERL_VERSION_ATLEAST (5,10,0)
845	PL_parser = 0;	885	PL_parser = 0;
846	#endif	886	#endif
		887	PL_hints = 0;
847		888
848	/* recreate the die/warn hooks */	889	/* recreate the die/warn hooks */
849	PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook );	890	PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook );
850	PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook);	891	PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook);
851		892
852	GvSV (PL_defgv) = newSV (0);	893	GvSV (PL_defgv) = newSV (0);
853	GvAV (PL_defgv) = coro->args; coro->args = 0;	894	GvAV (PL_defgv) = coro->args; coro->args = 0;
854	GvSV (PL_errgv) = newSV (0);	895	GvSV (PL_errgv) = newSV (0);
855	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);	896	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
		897	GvHV (PL_hintgv) = 0;
856	PL_rs = newSVsv (GvSV (irsgv));	898	PL_rs = newSVsv (GvSV (irsgv));
857	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);	899	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);
858		900
859	{	901	{
860	dSP;	902	dSP;
861	UNOP myop;	903	UNOP myop;
862		904
863	Zero (&myop, 1, UNOP);	905	Zero (&myop, 1, UNOP);
864	myop.op_next = Nullop;	906	myop.op_next = Nullop;
		907	myop.op_type = OP_ENTERSUB;
865	myop.op_flags = OPf_WANT_VOID;	908	myop.op_flags = OPf_WANT_VOID;
866		909
867	PUSHMARK (SP);	910	PUSHMARK (SP);
868	XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv))));	911	PUSHs ((SV *)coro->startcv);
869	PUTBACK;	912	PUTBACK;
870	PL_op = (OP *)&myop;	913	PL_op = (OP *)&myop;
871	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	914	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
872	SPAGAIN;
873	}	915	}
874		916
875	/* this newly created coroutine might be run on an existing cctx which most	917	/* this newly created coroutine might be run on an existing cctx which most
876	* likely was suspended in pp_slf, so we have to emulate entering pp_slf here.	918	* likely was suspended in pp_slf, so we have to emulate entering pp_slf here.
877	*/	919	*/
878	slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */	920	slf_frame.prepare = prepare_nop; /* provide a nop function for an eventual pp_slf */
879	slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */	921	slf_frame.check = slf_check_nop; /* signal pp_slf to not repeat */
880		922
881	/* and we have to provide the pp_slf op in any case, so pp_slf can skip it */	923	/* and we have to provide the pp_slf op in any case, so pp_slf can skip it */
882	coro_setup_op.op_next = PL_op;	924	coro_setup_op.op_next = PL_op;
883	coro_setup_op.op_type = OP_CUSTOM;	925	coro_setup_op.op_type = OP_ENTERSUB;
884	coro_setup_op.op_ppaddr = pp_slf;	926	coro_setup_op.op_ppaddr = pp_slf;
885	/* no flags required, as an init function won't be called */	927	/* no flags etc. required, as an init function won't be called */
886		928
887	PL_op = (OP *)&coro_setup_op;	929	PL_op = (OP *)&coro_setup_op;
888		930
889	/* copy throw, in case it was set before coro_setup */	931	/* copy throw, in case it was set before coro_setup */
890	CORO_THROW = coro->except;	932	CORO_THROW = coro->except;
…		…
914	SvREFCNT_dec (GvAV (PL_defgv));	956	SvREFCNT_dec (GvAV (PL_defgv));
915	SvREFCNT_dec (GvSV (PL_errgv));	957	SvREFCNT_dec (GvSV (PL_errgv));
916	SvREFCNT_dec (PL_defoutgv);	958	SvREFCNT_dec (PL_defoutgv);
917	SvREFCNT_dec (PL_rs);	959	SvREFCNT_dec (PL_rs);
918	SvREFCNT_dec (GvSV (irsgv));	960	SvREFCNT_dec (GvSV (irsgv));
		961	SvREFCNT_dec (GvHV (PL_hintgv));
919		962
920	SvREFCNT_dec (PL_diehook);	963	SvREFCNT_dec (PL_diehook);
921	SvREFCNT_dec (PL_warnhook);	964	SvREFCNT_dec (PL_warnhook);
922		965
923	SvREFCNT_dec (coro->saved_deffh);	966	SvREFCNT_dec (coro->saved_deffh);
924	SvREFCNT_dec (CORO_THROW);	967	SvREFCNT_dec (coro->rouse_cb);
		968	SvREFCNT_dec (coro->invoke_cb);
		969	SvREFCNT_dec (coro->invoke_av);
925		970
926	coro_destruct_stacks (aTHX);	971	coro_destruct_stacks (aTHX);
927	}	972	}
928		973
929	INLINE void	974	INLINE void
…		…
939	static int	984	static int
940	runops_trace (pTHX)	985	runops_trace (pTHX)
941	{	986	{
942	COP *oldcop = 0;	987	COP *oldcop = 0;
943	int oldcxix = -2;	988	int oldcxix = -2;
944	struct coro *coro = SvSTATE_current; /* trace cctx is tied to specific coro */
945	coro_cctx *cctx = coro->cctx;
946		989
947	while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))	990	while ((PL_op = CALL_FPTR (PL_op->op_ppaddr) (aTHX)))
948	{	991	{
949	PERL_ASYNC_CHECK ();	992	PERL_ASYNC_CHECK ();
950		993
951	if (cctx->flags & CC_TRACE_ALL)	994	if (cctx_current->flags & CC_TRACE_ALL)
952	{	995	{
953	if (PL_op->op_type == OP_LEAVESUB && cctx->flags & CC_TRACE_SUB)	996	if (PL_op->op_type == OP_LEAVESUB && cctx_current->flags & CC_TRACE_SUB)
954	{	997	{
955	PERL_CONTEXT *cx = &cxstack[cxstack_ix];	998	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
956	SV **bot, **top;	999	SV **bot, **top;
957	AV *av = newAV (); /* return values */	1000	AV *av = newAV (); /* return values */
958	SV **cb;	1001	SV **cb;
…		…
995		1038
996	if (PL_curcop != &PL_compiling)	1039	if (PL_curcop != &PL_compiling)
997	{	1040	{
998	SV **cb;	1041	SV **cb;
999		1042
1000	if (oldcxix != cxstack_ix && cctx->flags & CC_TRACE_SUB)	1043	if (oldcxix != cxstack_ix && cctx_current->flags & CC_TRACE_SUB)
1001	{	1044	{
1002	PERL_CONTEXT *cx = &cxstack[cxstack_ix];	1045	PERL_CONTEXT *cx = &cxstack[cxstack_ix];
1003		1046
1004	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)	1047	if (CxTYPE (cx) == CXt_SUB && oldcxix < cxstack_ix)
1005	{	1048	{
1006	runops_proc_t old_runops = PL_runops;
1007	dSP;	1049	dSP;
1008	GV *gv = CvGV (cx->blk_sub.cv);	1050	GV *gv = CvGV (cx->blk_sub.cv);
1009	SV *fullname = sv_2mortal (newSV (0));	1051	SV *fullname = sv_2mortal (newSV (0));
1010		1052
1011	if (isGV (gv))	1053	if (isGV (gv))
…		…
1016	SAVETMPS;	1058	SAVETMPS;
1017	EXTEND (SP, 3);	1059	EXTEND (SP, 3);
1018	PUSHMARK (SP);	1060	PUSHMARK (SP);
1019	PUSHs (&PL_sv_yes);	1061	PUSHs (&PL_sv_yes);
1020	PUSHs (fullname);	1062	PUSHs (fullname);
1021	PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);	1063	PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
1022	PUTBACK;	1064	PUTBACK;
1023	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);	1065	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
1024	if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);	1066	if (cb) call_sv (*cb, G_KEEPERR | G_EVAL | G_VOID | G_DISCARD);
1025	SPAGAIN;	1067	SPAGAIN;
1026	FREETMPS;	1068	FREETMPS;
…		…
1029	}	1071	}
1030		1072
1031	oldcxix = cxstack_ix;	1073	oldcxix = cxstack_ix;
1032	}	1074	}
1033		1075
1034	if (cctx->flags & CC_TRACE_LINE)	1076	if (cctx_current->flags & CC_TRACE_LINE)
1035	{	1077	{
1036	dSP;	1078	dSP;
1037		1079
1038	PL_runops = RUNOPS_DEFAULT;	1080	PL_runops = RUNOPS_DEFAULT;
1039	ENTER;	1081	ENTER;
…		…
1058		1100
1059	TAINT_NOT;	1101	TAINT_NOT;
1060	return 0;	1102	return 0;
1061	}	1103	}
1062		1104
1063	static struct coro_cctx *cctx_ssl_cctx;
1064	static struct CoroSLF cctx_ssl_frame;	1105	static struct CoroSLF cctx_ssl_frame;
1065		1106
1066	static void	1107	static void
1067	slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta)	1108	slf_prepare_set_stacklevel (pTHX_ struct coro_transfer_args *ta)
1068	{	1109	{
1069	ta->prev = (struct coro *)cctx_ssl_cctx;
1070	ta->next = 0;	1110	ta->prev = 0;
1071	}	1111	}
1072		1112
1073	static int	1113	static int
1074	slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame)	1114	slf_check_set_stacklevel (pTHX_ struct CoroSLF *frame)
1075	{	1115	{
…		…
1078	return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */	1118	return frame->check (aTHX_ frame); /* execute the restored frame - there must be one */
1079	}	1119	}
1080		1120
1081	/* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */	1121	/* initialises PL_top_env and injects a pseudo-slf-call to set the stacklevel */
1082	static void NOINLINE	1122	static void NOINLINE
1083	cctx_prepare (pTHX_ coro_cctx *cctx)	1123	cctx_prepare (pTHX)
1084	{	1124	{
1085	PL_top_env = &PL_start_env;	1125	PL_top_env = &PL_start_env;
1086		1126
1087	if (cctx->flags & CC_TRACE)	1127	if (cctx_current->flags & CC_TRACE)
1088	PL_runops = runops_trace;	1128	PL_runops = runops_trace;
1089		1129
1090	/* we already must be executing an SLF op, there is no other valid way	1130	/* we already must be executing an SLF op, there is no other valid way
1091	* that can lead to creation of a new cctx */	1131	* that can lead to creation of a new cctx */
1092	assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)",	1132	assert (("FATAL: can't prepare slf-less cctx in Coro module (please report)",
1093	slf_frame.prepare && PL_op->op_ppaddr == pp_slf));	1133	slf_frame.prepare && PL_op->op_ppaddr == pp_slf));
1094		1134
1095	/* we must emulate leaving pp_slf, which is done inside slf_check_set_stacklevel */	1135	/* we must emulate leaving pp_slf, which is done inside slf_check_set_stacklevel */
1096	cctx_ssl_cctx = cctx;
1097	cctx_ssl_frame = slf_frame;	1136	cctx_ssl_frame = slf_frame;
1098		1137
1099	slf_frame.prepare = slf_prepare_set_stacklevel;	1138	slf_frame.prepare = slf_prepare_set_stacklevel;
1100	slf_frame.check = slf_check_set_stacklevel;	1139	slf_frame.check = slf_check_set_stacklevel;
1101	}	1140	}
…		…
1124	/* normally we would need to skip the entersub here */	1163	/* normally we would need to skip the entersub here */
1125	/* not doing so will re-execute it, which is exactly what we want */	1164	/* not doing so will re-execute it, which is exactly what we want */
1126	/* PL_nop = PL_nop->op_next */	1165	/* PL_nop = PL_nop->op_next */
1127		1166
1128	/* inject a fake subroutine call to cctx_init */	1167	/* inject a fake subroutine call to cctx_init */
1129	cctx_prepare (aTHX_ (coro_cctx *)arg);	1168	cctx_prepare (aTHX);
1130		1169
1131	/* cctx_run is the alternative tail of transfer() */	1170	/* cctx_run is the alternative tail of transfer() */
1132	transfer_tail (aTHX);	1171	transfer_tail (aTHX);
1133		1172
1134	/* somebody or something will hit me for both perl_run and PL_restartop */	1173	/* somebody or something will hit me for both perl_run and PL_restartop */
1135	PL_restartop = PL_op;	1174	PL_restartop = PL_op;
1136	perl_run (PL_curinterp);	1175	perl_run (PL_curinterp);
		1176	/*
		1177	* Unfortunately, there is no way to get at the return values of the
		1178	* coro body here, as perl_run destroys these
		1179	*/
1137		1180
1138	/*	1181	/*
1139	* If perl-run returns we assume exit() was being called or the coro	1182	* If perl-run returns we assume exit() was being called or the coro
1140	* fell off the end, which seems to be the only valid (non-bug)	1183	* fell off the end, which seems to be the only valid (non-bug)
1141	* reason for perl_run to return. We try to exit by jumping to the	1184	* reason for perl_run to return. We try to exit by jumping to the
1142	* bootstrap-time "top" top_env, as we cannot restore the "main"	1185	* bootstrap-time "top" top_env, as we cannot restore the "main"
1143	* coroutine as Coro has no such concept	1186	* coroutine as Coro has no such concept.
		1187	* This actually isn't valid with the pthread backend, but OSes requiring
		1188	* that backend are too broken to do it in a standards-compliant way.
1144	*/	1189	*/
1145	PL_top_env = main_top_env;	1190	PL_top_env = main_top_env;
1146	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */	1191	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */
1147	}	1192	}
1148	}	1193	}
…		…
1225	cctx_destroy (coro_cctx *cctx)	1270	cctx_destroy (coro_cctx *cctx)
1226	{	1271	{
1227	if (!cctx)	1272	if (!cctx)
1228	return;	1273	return;
1229		1274
		1275	assert (cctx != cctx_current);//D temporary
		1276
1230	--cctx_count;	1277	--cctx_count;
1231	coro_destroy (&cctx->cctx);	1278	coro_destroy (&cctx->cctx);
1232		1279
1233	/* coro_transfer creates new, empty cctx's */	1280	/* coro_transfer creates new, empty cctx's */
1234	if (cctx->sptr)	1281	if (cctx->sptr)
…		…
1297	/* TODO: throwing up here is considered harmful */	1344	/* TODO: throwing up here is considered harmful */
1298		1345
1299	if (expect_true (prev != next))	1346	if (expect_true (prev != next))
1300	{	1347	{
1301	if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW))))	1348	if (expect_false (!(prev->flags & (CF_RUNNING | CF_NEW))))
1302	croak ("Coro::State::transfer called with non-running/new prev Coro::State, but can only transfer from running or new states,");	1349	croak ("Coro::State::transfer called with a suspended prev Coro::State, but can only transfer from running or new states,");
1303		1350
1304	if (expect_false (next->flags & CF_RUNNING))	1351	if (expect_false (next->flags & CF_RUNNING))
1305	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states,");	1352	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states,");
1306		1353
1307	if (expect_false (next->flags & CF_DESTROYED))	1354	if (expect_false (next->flags & CF_DESTROYED))
…		…
1319	transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx)	1366	transfer (pTHX_ struct coro *prev, struct coro *next, int force_cctx)
1320	{	1367	{
1321	dSTACKLEVEL;	1368	dSTACKLEVEL;
1322		1369
1323	/* sometimes transfer is only called to set idle_sp */	1370	/* sometimes transfer is only called to set idle_sp */
1324	if (expect_false (!next))	1371	if (expect_false (!prev))
1325	{	1372	{
1326	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1373	cctx_current->idle_sp = STACKLEVEL;
1327	assert (((coro_cctx *)prev)->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */	1374	assert (cctx_current->idle_te = PL_top_env); /* just for the side-effect when asserts are enabled */
1328	}	1375	}
1329	else if (expect_true (prev != next))	1376	else if (expect_true (prev != next))
1330	{	1377	{
1331	coro_cctx *prev__cctx;	1378	coro_cctx *cctx_prev;
1332		1379
1333	if (expect_false (prev->flags & CF_NEW))	1380	if (expect_false (prev->flags & CF_NEW))
1334	{	1381	{
1335	/* create a new empty/source context */	1382	/* create a new empty/source context */
1336	prev->cctx = cctx_new_empty ();
1337	prev->flags &= ~CF_NEW;	1383	prev->flags &= ~CF_NEW;
1338	prev->flags |= CF_RUNNING;	1384	prev->flags |= CF_RUNNING;
1339	}	1385	}
1340		1386
1341	prev->flags &= ~CF_RUNNING;	1387	prev->flags &= ~CF_RUNNING;
…		…
1352	coro_setup (aTHX_ next);	1398	coro_setup (aTHX_ next);
1353	}	1399	}
1354	else	1400	else
1355	load_perl (aTHX_ next);	1401	load_perl (aTHX_ next);
1356		1402
1357	prev__cctx = prev->cctx;	1403	assert (!prev->cctx);//D temporary
1358		1404
1359	/* possibly untie and reuse the cctx */	1405	/* possibly untie and reuse the cctx */
1360	if (expect_true (	1406	if (expect_true (
1361	prev__cctx->idle_sp == STACKLEVEL	1407	cctx_current->idle_sp == STACKLEVEL
1362	&& !(prev__cctx->flags & CC_TRACE)	1408	&& !(cctx_current->flags & CC_TRACE)
1363	&& !force_cctx	1409	&& !force_cctx
1364	))	1410	))
1365	{	1411	{
1366	/* I assume that stacklevel is a stronger indicator than PL_top_env changes */	1412	/* I assume that stacklevel is a stronger indicator than PL_top_env changes */
1367	assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == prev__cctx->idle_te));	1413	assert (("FATAL: current top_env must equal previous top_env in Coro (please report)", PL_top_env == cctx_current->idle_te));
1368		1414
1369	prev->cctx = 0;
1370
1371	/* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */	1415	/* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get. */
1372	/* without this the next cctx_get might destroy the prev__cctx while still in use */	1416	/* without this the next cctx_get might destroy the running cctx while still in use */
1373	if (expect_false (CCTX_EXPIRED (prev__cctx)))	1417	if (expect_false (CCTX_EXPIRED (cctx_current)))
1374	if (!next->cctx)	1418	if (expect_true (!next->cctx))
1375	next->cctx = cctx_get (aTHX);	1419	next->cctx = cctx_get (aTHX);
1376		1420
1377	cctx_put (prev__cctx);	1421	cctx_put (cctx_current);
1378	}	1422	}
		1423	else
		1424	prev->cctx = cctx_current;
1379		1425
1380	++next->usecount;	1426	++next->usecount;
1381		1427
1382	if (expect_true (!next->cctx))	1428	cctx_prev = cctx_current;
1383	next->cctx = cctx_get (aTHX);	1429	cctx_current = expect_false (next->cctx) ? next->cctx : cctx_get (aTHX);
1384		1430
1385	if (expect_false (prev__cctx != next->cctx))	1431	next->cctx = 0;
		1432
		1433	if (expect_false (cctx_prev != cctx_current))
1386	{	1434	{
1387	prev__cctx->top_env = PL_top_env;	1435	cctx_prev->top_env = PL_top_env;
1388	PL_top_env = next->cctx->top_env;	1436	PL_top_env = cctx_current->top_env;
1389	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);	1437	coro_transfer (&cctx_prev->cctx, &cctx_current->cctx);
1390	}	1438	}
1391		1439
1392	transfer_tail (aTHX);	1440	transfer_tail (aTHX);
1393	}	1441	}
1394	}	1442	}
…		…
1433		1481
1434	coro->slot = 0;	1482	coro->slot = 0;
1435	}	1483	}
1436		1484
1437	cctx_destroy (coro->cctx);	1485	cctx_destroy (coro->cctx);
		1486	SvREFCNT_dec (coro->startcv);
1438	SvREFCNT_dec (coro->args);	1487	SvREFCNT_dec (coro->args);
		1488	SvREFCNT_dec (CORO_THROW);
1439		1489
1440	if (coro->next) coro->next->prev = coro->prev;	1490	if (coro->next) coro->next->prev = coro->prev;
1441	if (coro->prev) coro->prev->next = coro->next;	1491	if (coro->prev) coro->prev->next = coro->next;
1442	if (coro == coro_first) coro_first = coro->next;	1492	if (coro == coro_first) coro_first = coro->next;
1443		1493
…		…
1497		1547
1498	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);	1548	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1499	TRANSFER (ta, 1);	1549	TRANSFER (ta, 1);
1500	}	1550	}
1501		1551
		1552	/*****************************************************************************/
		1553	/* gensub: simple closure generation utility */
		1554
		1555	#define GENSUB_ARG CvXSUBANY (cv).any_ptr
		1556
		1557	/* create a closure from XS, returns a code reference */
		1558	/* the arg can be accessed via GENSUB_ARG from the callback */
		1559	/* the callback must use dXSARGS/XSRETURN */
		1560	static SV *
		1561	gensub (pTHX_ void (*xsub)(pTHX_ CV *), void *arg)
		1562	{
		1563	CV *cv = (CV *)newSV (0);
		1564
		1565	sv_upgrade ((SV *)cv, SVt_PVCV);
		1566
		1567	CvANON_on (cv);
		1568	CvISXSUB_on (cv);
		1569	CvXSUB (cv) = xsub;
		1570	GENSUB_ARG = arg;
		1571
		1572	return newRV_noinc ((SV *)cv);
		1573	}
		1574
1502	/** Coro ********************************************************************/	1575	/** Coro ********************************************************************/
1503		1576
1504	INLINE void	1577	INLINE void
1505	coro_enq (pTHX_ struct coro *coro)	1578	coro_enq (pTHX_ struct coro *coro)
1506	{	1579	{
…		…
1524	{	1597	{
1525	struct coro *coro;	1598	struct coro *coro;
1526	SV *sv_hook;	1599	SV *sv_hook;
1527	void (*xs_hook)(void);	1600	void (*xs_hook)(void);
1528		1601
1529	if (SvROK (coro_sv))
1530	coro_sv = SvRV (coro_sv);
1531
1532	coro = SvSTATE (coro_sv);	1602	coro = SvSTATE (coro_sv);
1533		1603
1534	if (coro->flags & CF_READY)	1604	if (coro->flags & CF_READY)
1535	return 0;	1605	return 0;
1536		1606
…		…
1567	api_is_ready (pTHX_ SV *coro_sv)	1637	api_is_ready (pTHX_ SV *coro_sv)
1568	{	1638	{
1569	return !!(SvSTATE (coro_sv)->flags & CF_READY);	1639	return !!(SvSTATE (coro_sv)->flags & CF_READY);
1570	}	1640	}
1571		1641
		1642	/* expects to own a reference to next->hv */
1572	INLINE void	1643	INLINE void
1573	prepare_schedule (pTHX_ struct coro_transfer_args *ta)	1644	prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next)
1574	{	1645	{
1575	SV *prev_sv, *next_sv;
1576
1577	for (;;)
1578	{
1579	next_sv = coro_deq (aTHX);
1580
1581	/* nothing to schedule: call the idle handler */
1582	if (expect_false (!next_sv))
1583	{
1584	dSP;
1585
1586	ENTER;
1587	SAVETMPS;
1588
1589	PUSHMARK (SP);
1590	PUTBACK;
1591	call_sv (get_sv ("Coro::idle", FALSE), G_VOID | G_DISCARD);
1592
1593	FREETMPS;
1594	LEAVE;
1595	continue;
1596	}
1597
1598	ta->next = SvSTATE_hv (next_sv);
1599
1600	/* cannot transfer to destroyed coros, skip and look for next */
1601	if (expect_false (ta->next->flags & CF_DESTROYED))
1602	{
1603	SvREFCNT_dec (next_sv);
1604	/* coro_nready has already been taken care of by destroy */
1605	continue;
1606	}
1607
1608	--coro_nready;
1609	break;
1610	}
1611
1612	/* free this only after the transfer */
1613	prev_sv = SvRV (coro_current);	1646	SV *prev_sv = SvRV (coro_current);
		1647
1614	ta->prev = SvSTATE_hv (prev_sv);	1648	ta->prev = SvSTATE_hv (prev_sv);
		1649	ta->next = next;
		1650
1615	TRANSFER_CHECK (*ta);	1651	TRANSFER_CHECK (*ta);
1616	assert (("FATAL: next coroutine isn't marked as ready in Coro (please report)", ta->next->flags & CF_READY));	1652
1617	ta->next->flags &= ~CF_READY;
1618	SvRV_set (coro_current, next_sv);	1653	SvRV_set (coro_current, (SV *)next->hv);
1619		1654
1620	free_coro_mortal (aTHX);	1655	free_coro_mortal (aTHX);
1621	coro_mortal = prev_sv;	1656	coro_mortal = prev_sv;
1622	}	1657	}
1623		1658
		1659	static void
		1660	prepare_schedule (pTHX_ struct coro_transfer_args *ta)
		1661	{
		1662	for (;;)
		1663	{
		1664	SV *next_sv = coro_deq (aTHX);
		1665
		1666	if (expect_true (next_sv))
		1667	{
		1668	struct coro *next = SvSTATE_hv (next_sv);
		1669
		1670	/* cannot transfer to destroyed coros, skip and look for next */
		1671	if (expect_false (next->flags & CF_DESTROYED))
		1672	SvREFCNT_dec (next_sv); /* coro_nready has already been taken care of by destroy */
		1673	else
		1674	{
		1675	next->flags &= ~CF_READY;
		1676	--coro_nready;
		1677
		1678	prepare_schedule_to (aTHX_ ta, next);
		1679	break;
		1680	}
		1681	}
		1682	else
		1683	{
		1684	/* nothing to schedule: call the idle handler */
		1685	if (SvROK (sv_idle)
		1686	&& SvOBJECT (SvRV (sv_idle)))
		1687	{
		1688	++coro_nready; /* hack so that api_ready doesn't invoke ready hook */
		1689	api_ready (aTHX_ SvRV (sv_idle));
		1690	--coro_nready;
		1691	}
		1692	else
		1693	{
		1694	dSP;
		1695
		1696	ENTER;
		1697	SAVETMPS;
		1698
		1699	PUSHMARK (SP);
		1700	PUTBACK;
		1701	call_sv (sv_idle, G_VOID | G_DISCARD);
		1702
		1703	FREETMPS;
		1704	LEAVE;
		1705	}
		1706	}
		1707	}
		1708	}
		1709
1624	INLINE void	1710	INLINE void
1625	prepare_cede (pTHX_ struct coro_transfer_args *ta)	1711	prepare_cede (pTHX_ struct coro_transfer_args *ta)
1626	{	1712	{
1627	api_ready (aTHX_ coro_current);	1713	api_ready (aTHX_ coro_current);
1628	prepare_schedule (aTHX_ ta);	1714	prepare_schedule (aTHX_ ta);
…		…
1647	{	1733	{
1648	struct coro_transfer_args ta;	1734	struct coro_transfer_args ta;
1649		1735
1650	prepare_schedule (aTHX_ &ta);	1736	prepare_schedule (aTHX_ &ta);
1651	TRANSFER (ta, 1);	1737	TRANSFER (ta, 1);
		1738	}
		1739
		1740	static void
		1741	api_schedule_to (pTHX_ SV *coro_sv)
		1742	{
		1743	struct coro_transfer_args ta;
		1744	struct coro *next = SvSTATE (coro_sv);
		1745
		1746	SvREFCNT_inc_NN (coro_sv);
		1747	prepare_schedule_to (aTHX_ &ta, next);
1652	}	1748	}
1653		1749
1654	static int	1750	static int
1655	api_cede (pTHX)	1751	api_cede (pTHX)
1656	{	1752	{
…		…
1685	static void	1781	static void
1686	api_trace (pTHX_ SV *coro_sv, int flags)	1782	api_trace (pTHX_ SV *coro_sv, int flags)
1687	{	1783	{
1688	struct coro *coro = SvSTATE (coro_sv);	1784	struct coro *coro = SvSTATE (coro_sv);
1689		1785
		1786	if (coro->flags & CF_RUNNING)
		1787	croak ("cannot enable tracing on a running coroutine, caught");
		1788
1690	if (flags & CC_TRACE)	1789	if (flags & CC_TRACE)
1691	{	1790	{
1692	if (!coro->cctx)	1791	if (!coro->cctx)
1693	coro->cctx = cctx_new_run ();	1792	coro->cctx = cctx_new_run ();
1694	else if (!(coro->cctx->flags & CC_TRACE))	1793	else if (!(coro->cctx->flags & CC_TRACE))
1695	croak ("cannot enable tracing on coroutine with custom stack,");	1794	croak ("cannot enable tracing on coroutine with custom stack, caught");
1696		1795
1697	coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL));	1796	coro->cctx->flags |= CC_NOREUSE | (flags & (CC_TRACE | CC_TRACE_ALL));
1698	}	1797	}
1699	else if (coro->cctx && coro->cctx->flags & CC_TRACE)	1798	else if (coro->cctx && coro->cctx->flags & CC_TRACE)
1700	{	1799	{
…		…
1703	if (coro->flags & CF_RUNNING)	1802	if (coro->flags & CF_RUNNING)
1704	PL_runops = RUNOPS_DEFAULT;	1803	PL_runops = RUNOPS_DEFAULT;
1705	else	1804	else
1706	coro->slot->runops = RUNOPS_DEFAULT;	1805	coro->slot->runops = RUNOPS_DEFAULT;
1707	}	1806	}
		1807	}
		1808
		1809	static void
		1810	coro_call_on_destroy (pTHX_ struct coro *coro)
		1811	{
		1812	SV **on_destroyp = hv_fetch (coro->hv, "_on_destroy", sizeof ("_on_destroy") - 1, 0);
		1813	SV **statusp = hv_fetch (coro->hv, "_status", sizeof ("_status") - 1, 0);
		1814
		1815	if (on_destroyp)
		1816	{
		1817	AV *on_destroy = (AV *)SvRV (*on_destroyp);
		1818
		1819	while (AvFILLp (on_destroy) >= 0)
		1820	{
		1821	dSP; /* don't disturb outer sp */
		1822	SV *cb = av_pop (on_destroy);
		1823
		1824	PUSHMARK (SP);
		1825
		1826	if (statusp)
		1827	{
		1828	int i;
		1829	AV *status = (AV *)SvRV (*statusp);
		1830	EXTEND (SP, AvFILLp (status) + 1);
		1831
		1832	for (i = 0; i <= AvFILLp (status); ++i)
		1833	PUSHs (AvARRAY (status)[i]);
		1834	}
		1835
		1836	PUTBACK;
		1837	call_sv (sv_2mortal (cb), G_VOID | G_DISCARD);
		1838	}
		1839	}
		1840	}
		1841
		1842	static void
		1843	slf_init_terminate (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
		1844	{
		1845	int i;
		1846	HV *hv = (HV *)SvRV (coro_current);
		1847	AV *av = newAV ();
		1848
		1849	av_extend (av, items - 1);
		1850	for (i = 0; i < items; ++i)
		1851	av_push (av, SvREFCNT_inc_NN (arg [i]));
		1852
		1853	hv_store (hv, "_status", sizeof ("_status") - 1, newRV_noinc ((SV *)av), 0);
		1854
		1855	av_push (av_destroy, (SV *)newRV_inc ((SV *)hv)); /* RVinc for perl */
		1856	api_ready (aTHX_ sv_manager);
		1857
		1858	frame->prepare = prepare_schedule;
		1859	frame->check = slf_check_repeat;
		1860	}
		1861
		1862	/*****************************************************************************/
		1863	/* async pool handler */
		1864
		1865	static int
		1866	slf_check_pool_handler (pTHX_ struct CoroSLF *frame)
		1867	{
		1868	HV *hv = (HV *)SvRV (coro_current);
		1869	struct coro *coro = (struct coro *)frame->data;
		1870
		1871	if (!coro->invoke_cb)
		1872	return 1; /* loop till we have invoke */
		1873	else
		1874	{
		1875	hv_store (hv, "desc", sizeof ("desc") - 1,
		1876	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
		1877
		1878	coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv);
		1879
		1880	{
		1881	dSP;
		1882	XPUSHs (sv_2mortal (coro->invoke_cb)); coro->invoke_cb = 0;
		1883	PUTBACK;
		1884	}
		1885
		1886	SvREFCNT_dec (GvAV (PL_defgv));
		1887	GvAV (PL_defgv) = coro->invoke_av;
		1888	coro->invoke_av = 0;
		1889
		1890	return 0;
		1891	}
		1892	}
		1893
		1894	static void
		1895	slf_init_pool_handler (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
		1896	{
		1897	HV *hv = (HV *)SvRV (coro_current);
		1898	struct coro *coro = SvSTATE_hv ((SV *)hv);
		1899
		1900	if (expect_true (coro->saved_deffh))
		1901	{
		1902	/* subsequent iteration */
		1903	SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh;
		1904	coro->saved_deffh = 0;
		1905
		1906	if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss)
		1907	|| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
		1908	{
		1909	coro->invoke_cb = SvREFCNT_inc_NN ((SV *)cv_coro_terminate);
		1910	coro->invoke_av = newAV ();
		1911
		1912	frame->prepare = prepare_nop;
		1913	}
		1914	else
		1915	{
		1916	av_clear (GvAV (PL_defgv));
		1917	hv_store (hv, "desc", sizeof ("desc") - 1, SvREFCNT_inc_NN (sv_async_pool_idle), 0);
		1918
		1919	coro->prio = 0;
		1920
		1921	if (coro->cctx && (coro->cctx->flags & CC_TRACE))
		1922	api_trace (aTHX_ coro_current, 0);
		1923
		1924	frame->prepare = prepare_schedule;
		1925	av_push (av_async_pool, SvREFCNT_inc (hv));
		1926	}
		1927	}
		1928	else
		1929	{
		1930	/* first iteration, simply fall through */
		1931	frame->prepare = prepare_nop;
		1932	}
		1933
		1934	frame->check = slf_check_pool_handler;
		1935	frame->data = (void *)coro;
		1936	}
		1937
		1938	/*****************************************************************************/
		1939	/* rouse callback */
		1940
		1941	#define CORO_MAGIC_type_rouse PERL_MAGIC_ext
		1942
		1943	static void
		1944	coro_rouse_callback (pTHX_ CV *cv)
		1945	{
		1946	dXSARGS;
		1947	SV *data = (SV *)GENSUB_ARG;
		1948
		1949	if (SvTYPE (SvRV (data)) != SVt_PVAV)
		1950	{
		1951	/* first call, set args */
		1952	AV *av = newAV ();
		1953	SV *coro = SvRV (data);
		1954
		1955	SvRV_set (data, (SV *)av);
		1956	api_ready (aTHX_ coro);
		1957	SvREFCNT_dec (coro);
		1958
		1959	/* better take a full copy of the arguments */
		1960	while (items--)
		1961	av_store (av, items, newSVsv (ST (items)));
		1962	}
		1963
		1964	XSRETURN_EMPTY;
		1965	}
		1966
		1967	static int
		1968	slf_check_rouse_wait (pTHX_ struct CoroSLF *frame)
		1969	{
		1970	SV *data = (SV *)frame->data;
		1971
		1972	if (CORO_THROW)
		1973	return 0;
		1974
		1975	if (SvTYPE (SvRV (data)) != SVt_PVAV)
		1976	return 1;
		1977
		1978	/* now push all results on the stack */
		1979	{
		1980	dSP;
		1981	AV *av = (AV *)SvRV (data);
		1982	int i;
		1983
		1984	EXTEND (SP, AvFILLp (av) + 1);
		1985	for (i = 0; i <= AvFILLp (av); ++i)
		1986	PUSHs (sv_2mortal (AvARRAY (av)[i]));
		1987
		1988	/* we have stolen the elements, so ste length to zero and free */
		1989	AvFILLp (av) = -1;
		1990	av_undef (av);
		1991
		1992	PUTBACK;
		1993	}
		1994
		1995	return 0;
		1996	}
		1997
		1998	static void
		1999	slf_init_rouse_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
		2000	{
		2001	SV *cb;
		2002
		2003	if (items)
		2004	cb = arg [0];
		2005	else
		2006	{
		2007	struct coro *coro = SvSTATE_current;
		2008
		2009	if (!coro->rouse_cb)
		2010	croak ("Coro::rouse_wait called without rouse callback, and no default rouse callback found either,");
		2011
		2012	cb = sv_2mortal (coro->rouse_cb);
		2013	coro->rouse_cb = 0;
		2014	}
		2015
		2016	if (!SvROK (cb)
		2017	|| SvTYPE (SvRV (cb)) != SVt_PVCV
		2018	|| CvXSUB ((CV *)SvRV (cb)) != coro_rouse_callback)
		2019	croak ("Coro::rouse_wait called with illegal callback argument,");
		2020
		2021	{
		2022	CV *cv = (CV *)SvRV (cb); /* for GENSUB_ARG */
		2023	SV *data = (SV *)GENSUB_ARG;
		2024
		2025	frame->data = (void *)data;
		2026	frame->prepare = SvTYPE (SvRV (data)) == SVt_PVAV ? prepare_nop : prepare_schedule;
		2027	frame->check = slf_check_rouse_wait;
		2028	}
		2029	}
		2030
		2031	static SV *
		2032	coro_new_rouse_cb (pTHX)
		2033	{
		2034	HV *hv = (HV *)SvRV (coro_current);
		2035	struct coro *coro = SvSTATE_hv (hv);
		2036	SV *data = newRV_inc ((SV *)hv);
		2037	SV *cb = gensub (aTHX_ coro_rouse_callback, (void *)data);
		2038
		2039	sv_magicext (SvRV (cb), data, CORO_MAGIC_type_rouse, 0, 0, 0);
		2040	SvREFCNT_dec (data); /* magicext increases the refcount */
		2041
		2042	SvREFCNT_dec (coro->rouse_cb);
		2043	coro->rouse_cb = SvREFCNT_inc_NN (cb);
		2044
		2045	return cb;
1708	}	2046	}
1709		2047
1710	/*****************************************************************************/	2048	/*****************************************************************************/
1711	/* schedule-like-function opcode (SLF) */	2049	/* schedule-like-function opcode (SLF) */
1712		2050
…		…
1759	static void	2097	static void
1760	slf_init_schedule (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)	2098	slf_init_schedule (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
1761	{	2099	{
1762	frame->prepare = prepare_schedule;	2100	frame->prepare = prepare_schedule;
1763	frame->check = slf_check_nop;	2101	frame->check = slf_check_nop;
		2102	}
		2103
		2104	static void
		2105	slf_prepare_schedule_to (pTHX_ struct coro_transfer_args *ta)
		2106	{
		2107	struct coro *next = (struct coro *)slf_frame.data;
		2108
		2109	SvREFCNT_inc_NN (next->hv);
		2110	prepare_schedule_to (aTHX_ ta, next);
		2111	}
		2112
		2113	static void
		2114	slf_init_schedule_to (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
		2115	{
		2116	if (!items)
		2117	croak ("Coro::schedule_to expects a coroutine argument, caught");
		2118
		2119	frame->data = (void *)SvSTATE (arg [0]);
		2120	frame->prepare = slf_prepare_schedule_to;
		2121	frame->check = slf_check_nop;
		2122	}
		2123
		2124	static void
		2125	slf_init_cede_to (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
		2126	{
		2127	api_ready (aTHX_ SvRV (coro_current));
		2128
		2129	slf_init_schedule_to (aTHX_ frame, cv, arg, items);
1764	}	2130	}
1765		2131
1766	static void	2132	static void
1767	slf_init_cede (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)	2133	slf_init_cede (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
1768	{	2134	{
…		…
1914	}	2280	}
1915	else	2281	else
1916	slf_argc = 0;	2282	slf_argc = 0;
1917		2283
1918	PL_op->op_ppaddr = pp_slf;	2284	PL_op->op_ppaddr = pp_slf;
1919	PL_op->op_type = OP_CUSTOM; /* maybe we should leave it at entersub? */	2285	/*PL_op->op_type = OP_CUSTOM; /* we do behave like entersub still */
1920		2286
1921	PL_op = (OP *)&slf_restore;	2287	PL_op = (OP *)&slf_restore;
1922	}	2288	}
1923		2289
1924	/*****************************************************************************/	2290	/*****************************************************************************/
…		…
1995	PerlIOBuf_get_cnt,	2361	PerlIOBuf_get_cnt,
1996	PerlIOBuf_set_ptrcnt,	2362	PerlIOBuf_set_ptrcnt,
1997	};	2363	};
1998		2364
1999	/*****************************************************************************/	2365	/*****************************************************************************/
2000	/* Coro::Semaphore */	2366	/* Coro::Semaphore & Coro::Signal */
2001		2367
2002	static SV *	2368	static SV *
2003	coro_semaphore_new (int count)	2369	coro_waitarray_new (pTHX_ int count)
2004	{	2370	{
2005	/* a semaphore contains a counter IV in $sem->[0] and any waiters after that */	2371	/* a semaphore contains a counter IV in $sem->[0] and any waiters after that */
2006	AV *av = newAV ();	2372	AV *av = newAV ();
2007	SV **ary;	2373	SV **ary;
2008		2374
2009	/* unfortunately, building manually saves memory */	2375	/* unfortunately, building manually saves memory */
2010	Newx (ary, 2, SV *);	2376	Newx (ary, 2, SV *);
2011	AvALLOC (av) = ary;	2377	AvALLOC (av) = ary;
		2378	#if PERL_VERSION_ATLEAST (5,10,0)
2012	AvARRAY (av) = ary;	2379	AvARRAY (av) = ary;
		2380	#else
		2381	/* 5.8.8 needs this syntax instead of AvARRAY = ary, yet */
		2382	/* -DDEBUGGING flags this as a bug, despite it perfectly working */
		2383	SvPVX ((SV *)av) = (char *)ary;
		2384	#endif
2013	AvMAX (av) = 1;	2385	AvMAX (av) = 1;
2014	AvFILLp (av) = 0;	2386	AvFILLp (av) = 0;
2015	ary [0] = newSViv (count);	2387	ary [0] = newSViv (count);
2016		2388
2017	return newRV_noinc ((SV *)av);	2389	return newRV_noinc ((SV *)av);
2018	}	2390	}
		2391
		2392	/* semaphore */
2019		2393
2020	static void	2394	static void
2021	coro_semaphore_adjust (pTHX_ AV *av, IV adjust)	2395	coro_semaphore_adjust (pTHX_ AV *av, IV adjust)
2022	{	2396	{
2023	SV *count_sv = AvARRAY (av)[0];	2397	SV *count_sv = AvARRAY (av)[0];
…		…
2035	AvARRAY (av)[0] = AvARRAY (av)[1];	2409	AvARRAY (av)[0] = AvARRAY (av)[1];
2036	AvARRAY (av)[1] = count_sv;	2410	AvARRAY (av)[1] = count_sv;
2037	cb = av_shift (av);	2411	cb = av_shift (av);
2038		2412
2039	if (SvOBJECT (cb))	2413	if (SvOBJECT (cb))
		2414	{
2040	api_ready (aTHX_ cb);	2415	api_ready (aTHX_ cb);
2041	else	2416	--count;
2042	croak ("callbacks not yet supported");	2417	}
		2418	else if (SvTYPE (cb) == SVt_PVCV)
		2419	{
		2420	dSP;
		2421	PUSHMARK (SP);
		2422	XPUSHs (sv_2mortal (newRV_inc ((SV *)av)));
		2423	PUTBACK;
		2424	call_sv (cb, G_VOID | G_DISCARD | G_EVAL | G_KEEPERR);
		2425	}
2043		2426
2044	SvREFCNT_dec (cb);	2427	SvREFCNT_dec (cb);
2045
2046	--count;
2047	}	2428	}
2048	}	2429	}
2049		2430
2050	static void	2431	static void
2051	coro_semaphore_on_destroy (pTHX_ struct coro *coro)	2432	coro_semaphore_on_destroy (pTHX_ struct coro *coro)
…		…
2133	}	2514	}
2134		2515
2135	static void	2516	static void
2136	slf_init_semaphore_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)	2517	slf_init_semaphore_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
2137	{	2518	{
		2519	if (items >= 2)
		2520	{
		2521	/* callback form */
		2522	AV *av = (AV *)SvRV (arg [0]);
		2523	CV *cb_cv = coro_sv_2cv (aTHX_ arg [1]);
		2524
		2525	av_push (av, (SV *)SvREFCNT_inc_NN (cb_cv));
		2526
		2527	if (SvIVX (AvARRAY (av)[0]) > 0)
		2528	coro_semaphore_adjust (aTHX_ av, 0);
		2529
		2530	frame->prepare = prepare_nop;
		2531	frame->check = slf_check_nop;
		2532	}
		2533	else
		2534	{
2138	slf_init_semaphore_down_or_wait (aTHX_ frame, cv, arg, items);	2535	slf_init_semaphore_down_or_wait (aTHX_ frame, cv, arg, items);
2139	frame->check = slf_check_semaphore_wait;	2536	frame->check = slf_check_semaphore_wait;
		2537	}
2140	}	2538	}
2141		2539
2142	/*****************************************************************************/	2540	/* signal */
2143	/* gensub: simple closure generation utility */
2144		2541
2145	#define GENSUB_ARG CvXSUBANY (cv).any_ptr	2542	static void
2146		2543	coro_signal_wake (pTHX_ AV *av, int count)
2147	/* create a closure from XS, returns a code reference */
2148	/* the arg can be accessed via GENSUB_ARG from the callback */
2149	/* the callback must use dXSARGS/XSRETURN */
2150	static SV *
2151	gensub (pTHX_ void (*xsub)(pTHX_ CV *), void *arg)
2152	{	2544	{
2153	CV *cv = (CV *)newSV (0);	2545	SvIVX (AvARRAY (av)[0]) = 0;
2154		2546
2155	sv_upgrade ((SV *)cv, SVt_PVCV);	2547	/* now signal count waiters */
		2548	while (count > 0 && AvFILLp (av) > 0)
		2549	{
		2550	SV *cb;
2156		2551
2157	CvANON_on (cv);	2552	/* swap first two elements so we can shift a waiter */
2158	CvISXSUB_on (cv);	2553	cb = AvARRAY (av)[0];
2159	CvXSUB (cv) = xsub;	2554	AvARRAY (av)[0] = AvARRAY (av)[1];
2160	GENSUB_ARG = arg;	2555	AvARRAY (av)[1] = cb;
2161		2556
2162	return newRV_noinc ((SV *)cv);	2557	cb = av_shift (av);
		2558
		2559	api_ready (aTHX_ cb);
		2560	sv_setiv (cb, 0); /* signal waiter */
		2561	SvREFCNT_dec (cb);
		2562
		2563	--count;
		2564	}
		2565	}
		2566
		2567	static int
		2568	slf_check_signal_wait (pTHX_ struct CoroSLF *frame)
		2569	{
		2570	/* if we are about to throw, also stop waiting */
		2571	return SvROK ((SV *)frame->data) && !CORO_THROW;
		2572	}
		2573
		2574	static void
		2575	slf_init_signal_wait (pTHX_ struct CoroSLF *frame, CV *cv, SV **arg, int items)
		2576	{
		2577	AV *av = (AV *)SvRV (arg [0]);
		2578
		2579	if (SvIVX (AvARRAY (av)[0]))
		2580	{
		2581	SvIVX (AvARRAY (av)[0]) = 0;
		2582	frame->prepare = prepare_nop;
		2583	frame->check = slf_check_nop;
		2584	}
		2585	else
		2586	{
		2587	SV *waiter = newRV_inc (SvRV (coro_current)); /* owned by signal av */
		2588
		2589	av_push (av, waiter);
		2590
		2591	frame->data = (void *)sv_2mortal (SvREFCNT_inc_NN (waiter)); /* owned by process */
		2592	frame->prepare = prepare_schedule;
		2593	frame->check = slf_check_signal_wait;
		2594	}
2163	}	2595	}
2164		2596
2165	/*****************************************************************************/	2597	/*****************************************************************************/
2166	/* Coro::AIO */	2598	/* Coro::AIO */
2167		2599
…		…
2182	dXSARGS;	2614	dXSARGS;
2183	AV *state = (AV *)GENSUB_ARG;	2615	AV *state = (AV *)GENSUB_ARG;
2184	SV *coro = av_pop (state);	2616	SV *coro = av_pop (state);
2185	SV *data_sv = newSV (sizeof (struct io_state));	2617	SV *data_sv = newSV (sizeof (struct io_state));
2186		2618
2187	av_extend (state, items);	2619	av_extend (state, items - 1);
2188		2620
2189	sv_upgrade (data_sv, SVt_PV);	2621	sv_upgrade (data_sv, SVt_PV);
2190	SvCUR_set (data_sv, sizeof (struct io_state));	2622	SvCUR_set (data_sv, sizeof (struct io_state));
2191	SvPOK_only (data_sv);	2623	SvPOK_only (data_sv);
2192		2624
…		…
2327	XSRETURN_EMPTY;	2759	XSRETURN_EMPTY;
2328	}	2760	}
2329		2761
2330	/*****************************************************************************/	2762	/*****************************************************************************/
2331		2763
		2764	#if CORO_CLONE
		2765	# include "clone.c"
		2766	#endif
		2767
2332	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	2768	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
2333		2769
2334	PROTOTYPES: DISABLE	2770	PROTOTYPES: DISABLE
2335		2771
2336	BOOT:	2772	BOOT:
…		…
2340	coro_thx = PERL_GET_CONTEXT;	2776	coro_thx = PERL_GET_CONTEXT;
2341	# endif	2777	# endif
2342	#endif	2778	#endif
2343	BOOT_PAGESIZE;	2779	BOOT_PAGESIZE;
2344		2780
		2781	cctx_current = cctx_new_empty ();
		2782
2345	irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV);	2783	irsgv = gv_fetchpv ("/" , GV_ADD|GV_NOTQUAL, SVt_PV);
2346	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO);	2784	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO);
2347		2785
2348	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;	2786	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;
2349	orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;	2787	orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;
…		…
2368		2806
2369	{	2807	{
2370	SV *slf = sv_2mortal (newSViv (PTR2IV (pp_slf)));	2808	SV *slf = sv_2mortal (newSViv (PTR2IV (pp_slf)));
2371		2809
2372	if (!PL_custom_op_names) PL_custom_op_names = newHV ();	2810	if (!PL_custom_op_names) PL_custom_op_names = newHV ();
2373	hv_store_ent (PL_custom_op_names, slf,	2811	hv_store_ent (PL_custom_op_names, slf, newSVpv ("coro_slf", 0), 0);
2374	newSVpv ("coro_slf", 0), 0);
2375		2812
2376	if (!PL_custom_op_descs) PL_custom_op_descs = newHV ();	2813	if (!PL_custom_op_descs) PL_custom_op_descs = newHV ();
2377	hv_store_ent (PL_custom_op_descs, slf,	2814	hv_store_ent (PL_custom_op_descs, slf, newSVpv ("coro schedule like function", 0), 0);
2378	newSVpv ("coro schedule like function", 0), 0);
2379	}	2815	}
2380		2816
2381	coroapi.ver = CORO_API_VERSION;	2817	coroapi.ver = CORO_API_VERSION;
2382	coroapi.rev = CORO_API_REVISION;	2818	coroapi.rev = CORO_API_REVISION;
2383		2819
…		…
2402	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	2838	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
2403	}	2839	}
2404		2840
2405	SV *	2841	SV *
2406	new (char *klass, ...)	2842	new (char *klass, ...)
		2843	ALIAS:
		2844	Coro::new = 1
2407	CODE:	2845	CODE:
2408	{	2846	{
2409	struct coro *coro;	2847	struct coro *coro;
2410	MAGIC *mg;	2848	MAGIC *mg;
2411	HV *hv;	2849	HV *hv;
		2850	CV *cb;
2412	int i;	2851	int i;
		2852
		2853	if (items > 1)
		2854	{
		2855	cb = coro_sv_2cv (aTHX_ ST (1));
		2856
		2857	if (!ix)
		2858	{
		2859	if (CvISXSUB (cb))
		2860	croak ("Coro::State doesn't support XS functions as coroutine start, caught");
		2861
		2862	if (!CvROOT (cb))
		2863	croak ("Coro::State doesn't support autoloaded or undefined functions as coroutine start, caught");
		2864	}
		2865	}
2413		2866
2414	Newz (0, coro, 1, struct coro);	2867	Newz (0, coro, 1, struct coro);
2415	coro->args = newAV ();	2868	coro->args = newAV ();
2416	coro->flags = CF_NEW;	2869	coro->flags = CF_NEW;
2417		2870
…		…
2422	coro->hv = hv = newHV ();	2875	coro->hv = hv = newHV ();
2423	mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0);	2876	mg = sv_magicext ((SV *)hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)coro, 0);
2424	mg->mg_flags |= MGf_DUP;	2877	mg->mg_flags |= MGf_DUP;
2425	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	2878	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
2426		2879
		2880	if (items > 1)
		2881	{
2427	av_extend (coro->args, items - 1);	2882	av_extend (coro->args, items - 1 + ix - 1);
		2883
		2884	if (ix)
		2885	{
		2886	av_push (coro->args, SvREFCNT_inc_NN ((SV *)cb));
		2887	cb = cv_coro_run;
		2888	}
		2889
		2890	coro->startcv = (CV *)SvREFCNT_inc_NN ((SV *)cb);
		2891
2428	for (i = 1; i < items; i++)	2892	for (i = 2; i < items; i++)
2429	av_push (coro->args, newSVsv (ST (i)));	2893	av_push (coro->args, newSVsv (ST (i)));
		2894	}
2430	}	2895	}
2431	OUTPUT:	2896	OUTPUT:
2432	RETVAL	2897	RETVAL
2433		2898
2434	void	2899	void
…		…
2447	void	2912	void
2448	_exit (int code)	2913	_exit (int code)
2449	PROTOTYPE: $	2914	PROTOTYPE: $
2450	CODE:	2915	CODE:
2451	_exit (code);	2916	_exit (code);
		2917
		2918	SV *
		2919	clone (Coro::State coro)
		2920	CODE:
		2921	{
		2922	#if CORO_CLONE
		2923	struct coro *ncoro = coro_clone (coro);
		2924	MAGIC *mg;
		2925	/* TODO: too much duplication */
		2926	ncoro->hv = newHV ();
		2927	mg = sv_magicext ((SV *)ncoro->hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char *)ncoro, 0);
		2928	mg->mg_flags |= MGf_DUP;
		2929	RETVAL = sv_bless (newRV_noinc ((SV *)ncoro->hv), SvSTASH (coro->hv));
		2930	#else
		2931	croak ("Coro::State->clone has not been configured into this installation of Coro, realised");
		2932	#endif
		2933	}
		2934	OUTPUT:
		2935	RETVAL
2452		2936
2453	int	2937	int
2454	cctx_stacksize (int new_stacksize = 0)	2938	cctx_stacksize (int new_stacksize = 0)
2455	PROTOTYPE: ;$	2939	PROTOTYPE: ;$
2456	CODE:	2940	CODE:
…		…
2577		3061
2578	SV *	3062	SV *
2579	has_cctx (Coro::State coro)	3063	has_cctx (Coro::State coro)
2580	PROTOTYPE: $	3064	PROTOTYPE: $
2581	CODE:	3065	CODE:
2582	RETVAL = boolSV (!!coro->cctx);	3066	/* maybe manage the running flag differently */
		3067	RETVAL = boolSV (!!coro->cctx || (coro->flags & CF_RUNNING));
2583	OUTPUT:	3068	OUTPUT:
2584	RETVAL	3069	RETVAL
2585		3070
2586	int	3071	int
2587	is_traced (Coro::State coro)	3072	is_traced (Coro::State coro)
…		…
2607		3092
2608	void	3093	void
2609	force_cctx ()	3094	force_cctx ()
2610	PROTOTYPE:	3095	PROTOTYPE:
2611	CODE:	3096	CODE:
2612	SvSTATE_current->cctx->idle_sp = 0;	3097	cctx_current->idle_sp = 0;
2613		3098
2614	void	3099	void
2615	swap_defsv (Coro::State self)	3100	swap_defsv (Coro::State self)
2616	PROTOTYPE: $	3101	PROTOTYPE: $
2617	ALIAS:	3102	ALIAS:
…		…
2632		3117
2633	BOOT:	3118	BOOT:
2634	{	3119	{
2635	int i;	3120	int i;
2636		3121
2637	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
2638	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);	3122	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
2639	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);	3123	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
2640		3124	cv_coro_run = get_cv ( "Coro::_terminate", GV_ADD);
		3125	cv_coro_terminate = get_cv ( "Coro::terminate" , GV_ADD);
2641	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);	3126	coro_current = coro_get_sv (aTHX_ "Coro::current" , FALSE); SvREADONLY_on (coro_current);
2642	SvREADONLY_on (coro_current);	3127	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
		3128	av_destroy = coro_get_av (aTHX_ "Coro::destroy" , TRUE);
		3129	sv_manager = coro_get_sv (aTHX_ "Coro::manager" , TRUE);
		3130	sv_idle = coro_get_sv (aTHX_ "Coro::idle" , TRUE);
		3131
		3132	sv_async_pool_idle = newSVpv ("[async pool idle]", 0); SvREADONLY_on (sv_async_pool_idle);
		3133	sv_Coro = newSVpv ("Coro", 0); SvREADONLY_on (sv_Coro);
		3134	cv_pool_handler = get_cv ("Coro::pool_handler", GV_ADD); SvREADONLY_on (cv_pool_handler);
		3135	cv_coro_state_new = get_cv ("Coro::State::new", 0); SvREADONLY_on (cv_coro_state_new);
2643		3136
2644	coro_stash = gv_stashpv ("Coro", TRUE);	3137	coro_stash = gv_stashpv ("Coro", TRUE);
2645		3138
2646	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	3139	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
2647	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));	3140	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
…		…
2655		3148
2656	{	3149	{
2657	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);	3150	SV *sv = coro_get_sv (aTHX_ "Coro::API", TRUE);
2658		3151
2659	coroapi.schedule = api_schedule;	3152	coroapi.schedule = api_schedule;
		3153	coroapi.schedule_to = api_schedule_to;
2660	coroapi.cede = api_cede;	3154	coroapi.cede = api_cede;
2661	coroapi.cede_notself = api_cede_notself;	3155	coroapi.cede_notself = api_cede_notself;
2662	coroapi.ready = api_ready;	3156	coroapi.ready = api_ready;
2663	coroapi.is_ready = api_is_ready;	3157	coroapi.is_ready = api_is_ready;
2664	coroapi.nready = coro_nready;	3158	coroapi.nready = coro_nready;
…		…
2669	SvREADONLY_on (sv);	3163	SvREADONLY_on (sv);
2670	}	3164	}
2671	}	3165	}
2672		3166
2673	void	3167	void
		3168	terminate (...)
		3169	CODE:
		3170	CORO_EXECUTE_SLF_XS (slf_init_terminate);
		3171
		3172	void
2674	schedule (...)	3173	schedule (...)
2675	CODE:	3174	CODE:
2676	CORO_EXECUTE_SLF_XS (slf_init_schedule);	3175	CORO_EXECUTE_SLF_XS (slf_init_schedule);
		3176
		3177	void
		3178	schedule_to (...)
		3179	CODE:
		3180	CORO_EXECUTE_SLF_XS (slf_init_schedule_to);
		3181
		3182	void
		3183	cede_to (...)
		3184	CODE:
		3185	CORO_EXECUTE_SLF_XS (slf_init_cede_to);
2677		3186
2678	void	3187	void
2679	cede (...)	3188	cede (...)
2680	CODE:	3189	CODE:
2681	CORO_EXECUTE_SLF_XS (slf_init_cede);	3190	CORO_EXECUTE_SLF_XS (slf_init_cede);
2682		3191
2683	void	3192	void
2684	cede_notself (...)	3193	cede_notself (...)
2685	CODE:	3194	CODE:
2686	CORO_EXECUTE_SLF_XS (slf_init_cede_notself);	3195	CORO_EXECUTE_SLF_XS (slf_init_cede_notself);
		3196
		3197	void
		3198	_cancel (Coro::State self)
		3199	CODE:
		3200	coro_state_destroy (aTHX_ self);
		3201	coro_call_on_destroy (aTHX_ self);
2687		3202
2688	void	3203	void
2689	_set_current (SV *current)	3204	_set_current (SV *current)
2690	PROTOTYPE: $	3205	PROTOTYPE: $
2691	CODE:	3206	CODE:
…		…
2736	CODE:	3251	CODE:
2737	RETVAL = coro_nready;	3252	RETVAL = coro_nready;
2738	OUTPUT:	3253	OUTPUT:
2739	RETVAL	3254	RETVAL
2740		3255
2741	# for async_pool speedup
2742	void	3256	void
2743	_pool_1 (SV *cb)	3257	_pool_handler (...)
2744	CODE:	3258	CODE:
2745	{	3259	CORO_EXECUTE_SLF_XS (slf_init_pool_handler);
2746	HV *hv = (HV *)SvRV (coro_current);
2747	struct coro *coro = SvSTATE_hv ((SV *)hv);
2748	AV *defav = GvAV (PL_defgv);
2749	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
2750	AV *invoke_av;
2751	int i, len;
2752		3260
2753	if (!invoke)	3261	void
		3262	async_pool (SV *cv, ...)
		3263	PROTOTYPE: &@
		3264	PPCODE:
		3265	{
		3266	HV *hv = (HV *)av_pop (av_async_pool);
		3267	AV *av = newAV ();
		3268	SV *cb = ST (0);
		3269	int i;
		3270
		3271	av_extend (av, items - 2);
		3272	for (i = 1; i < items; ++i)
		3273	av_push (av, SvREFCNT_inc_NN (ST (i)));
		3274
		3275	if ((SV *)hv == &PL_sv_undef)
2754	{	3276	{
2755	SV *old = PL_diehook;	3277	PUSHMARK (SP);
2756	PL_diehook = 0;	3278	EXTEND (SP, 2);
2757	SvREFCNT_dec (old);	3279	PUSHs (sv_Coro);
2758	croak ("\3async_pool terminate\2\n");	3280	PUSHs ((SV *)cv_pool_handler);
		3281	PUTBACK;
		3282	call_sv ((SV *)cv_coro_state_new, G_SCALAR);
		3283	SPAGAIN;
		3284
		3285	hv = (HV *)SvREFCNT_inc_NN (SvRV (POPs));
2759	}	3286	}
2760		3287
2761	SvREFCNT_dec (coro->saved_deffh);
2762	coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv);
2763
2764	hv_store (hv, "desc", sizeof ("desc") - 1,
2765	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
2766
2767	invoke_av = (AV *)SvRV (invoke);
2768	len = av_len (invoke_av);
2769
2770	sv_setsv (cb, AvARRAY (invoke_av)[0]);
2771
2772	if (len > 0)
2773	{	3288	{
2774	av_fill (defav, len - 1);	3289	struct coro *coro = SvSTATE_hv (hv);
2775	for (i = 0; i < len; ++i)	3290
2776	av_store (defav, i, SvREFCNT_inc_NN (AvARRAY (invoke_av)[i + 1]));	3291	assert (!coro->invoke_cb);
		3292	assert (!coro->invoke_av);
		3293	coro->invoke_cb = SvREFCNT_inc (cb);
		3294	coro->invoke_av = av;
2777	}	3295	}
		3296
		3297	api_ready (aTHX_ (SV *)hv);
		3298
		3299	if (GIMME_V != G_VOID)
		3300	XPUSHs (sv_2mortal (newRV_noinc ((SV *)hv)));
		3301	else
		3302	SvREFCNT_dec (hv);
2778	}	3303	}
		3304
		3305	SV *
		3306	rouse_cb ()
		3307	PROTOTYPE:
		3308	CODE:
		3309	RETVAL = coro_new_rouse_cb (aTHX);
		3310	OUTPUT:
		3311	RETVAL
2779		3312
2780	void	3313	void
2781	_pool_2 (SV *cb)	3314	rouse_wait (...)
		3315	PROTOTYPE: ;$
2782	CODE:	3316	PPCODE:
2783	{	3317	CORO_EXECUTE_SLF_XS (slf_init_rouse_wait);
2784	HV *hv = (HV *)SvRV (coro_current);
2785	struct coro *coro = SvSTATE_hv ((SV *)hv);
2786
2787	sv_setsv (cb, &PL_sv_undef);
2788
2789	SvREFCNT_dec ((SV *)PL_defoutgv); PL_defoutgv = (GV *)coro->saved_deffh;
2790	coro->saved_deffh = 0;
2791
2792	if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss)
2793	|| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
2794	{
2795	SV *old = PL_diehook;
2796	PL_diehook = 0;
2797	SvREFCNT_dec (old);
2798	croak ("\3async_pool terminate\2\n");
2799	}
2800
2801	av_clear (GvAV (PL_defgv));
2802	hv_store (hv, "desc", sizeof ("desc") - 1,
2803	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
2804
2805	coro->prio = 0;
2806
2807	if (coro->cctx && (coro->cctx->flags & CC_TRACE))
2808	api_trace (aTHX_ coro_current, 0);
2809
2810	av_push (av_async_pool, newSVsv (coro_current));
2811	}
2812		3318
2813		3319
2814	MODULE = Coro::State PACKAGE = PerlIO::cede	3320	MODULE = Coro::State PACKAGE = PerlIO::cede
2815		3321
2816	BOOT:	3322	BOOT:
…		…
2821		3327
2822	SV *	3328	SV *
2823	new (SV *klass, SV *count = 0)	3329	new (SV *klass, SV *count = 0)
2824	CODE:	3330	CODE:
2825	RETVAL = sv_bless (	3331	RETVAL = sv_bless (
2826	coro_semaphore_new (count && SvOK (count) ? SvIV (count) : 1),	3332	coro_waitarray_new (aTHX_ count && SvOK (count) ? SvIV (count) : 1),
2827	GvSTASH (CvGV (cv))	3333	GvSTASH (CvGV (cv))
2828	);	3334	);
2829	OUTPUT:	3335	OUTPUT:
2830	RETVAL	3336	RETVAL
2831		3337
2832	# helper for Coro::Channel	3338	# helper for Coro::Channel
2833	SV *	3339	SV *
2834	_alloc (int count)	3340	_alloc (int count)
2835	CODE:	3341	CODE:
2836	RETVAL = coro_semaphore_new (count);	3342	RETVAL = coro_waitarray_new (aTHX_ count);
2837	OUTPUT:	3343	OUTPUT:
2838	RETVAL	3344	RETVAL
2839		3345
2840	SV *	3346	SV *
2841	count (SV *self)	3347	count (SV *self)
…		…
2850	adjust = 1	3356	adjust = 1
2851	CODE:	3357	CODE:
2852	coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), ix ? adjust : 1);	3358	coro_semaphore_adjust (aTHX_ (AV *)SvRV (self), ix ? adjust : 1);
2853		3359
2854	void	3360	void
2855	down (SV *self)	3361	down (...)
2856	ALIAS:
2857	Coro::Signal::wait = 0
2858	CODE:	3362	CODE:
2859	CORO_EXECUTE_SLF_XS (slf_init_semaphore_down);	3363	CORO_EXECUTE_SLF_XS (slf_init_semaphore_down);
2860		3364
2861	void	3365	void
2862	wait (SV *self)	3366	wait (...)
2863	CODE:	3367	CODE:
2864	CORO_EXECUTE_SLF_XS (slf_init_semaphore_wait);	3368	CORO_EXECUTE_SLF_XS (slf_init_semaphore_wait);
2865		3369
2866	void	3370	void
2867	try (SV *self)	3371	try (SV *self)
…		…
2903		3407
2904	SV *	3408	SV *
2905	new (SV *klass)	3409	new (SV *klass)
2906	CODE:	3410	CODE:
2907	RETVAL = sv_bless (	3411	RETVAL = sv_bless (
2908	coro_semaphore_new (0),	3412	coro_waitarray_new (aTHX_ 0),
2909	GvSTASH (CvGV (cv))	3413	GvSTASH (CvGV (cv))
2910	);	3414	);
2911	OUTPUT:	3415	OUTPUT:
2912	RETVAL	3416	RETVAL
2913		3417
2914	void	3418	void
2915	broadcast (SV *self, int adjust = 1)	3419	wait (...)
2916	CODE:	3420	CODE:
		3421	CORO_EXECUTE_SLF_XS (slf_init_signal_wait);
		3422
		3423	void
		3424	broadcast (SV *self)
		3425	CODE:
		3426	{
		3427	AV *av = (AV *)SvRV (self);
		3428	coro_signal_wake (aTHX_ av, AvFILLp (av));
		3429	}
		3430
		3431	void
		3432	send (SV *self)
		3433	CODE:
2917	{	3434	{
2918	AV *av = (AV *)SvRV (self);	3435	AV *av = (AV *)SvRV (self);
2919	SvIVX (AvARRAY (av)[0]) = 0; /* not necessary, but gives me fuzzy warm feelings */	3436
2920	coro_semaphore_adjust (aTHX_ av, AvFILLp (av) + 1 - 1);	3437	if (AvFILLp (av))
		3438	coro_signal_wake (aTHX_ av, 1);
		3439	else
2921	SvIVX (AvARRAY (av)[0]) = 0; /* necessary */	3440	SvIVX (AvARRAY (av)[0]) = 1; /* remember the signal */
2922	}	3441	}
		3442
		3443	IV
		3444	awaited (SV *self)
		3445	CODE:
		3446	RETVAL = AvFILLp ((AV *)SvRV (self)) + 1 - 1;
		3447	OUTPUT:
		3448	RETVAL
2923		3449
2924		3450
2925	MODULE = Coro::State PACKAGE = Coro::AnyEvent	3451	MODULE = Coro::State PACKAGE = Coro::AnyEvent
2926		3452
2927	BOOT:	3453	BOOT:
…		…
2955		3481
2956	void	3482	void
2957	_register (char *target, char *proto, SV *req)	3483	_register (char *target, char *proto, SV *req)
2958	CODE:	3484	CODE:
2959	{	3485	{
2960	HV *st;	3486	CV *req_cv = coro_sv_2cv (aTHX_ req);
2961	GV *gvp;
2962	CV *req_cv = sv_2cv (req, &st, &gvp, 0);
2963	/* newXSproto doesn't return the CV on 5.8 */	3487	/* newXSproto doesn't return the CV on 5.8 */
2964	CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__);	3488	CV *slf_cv = newXS (target, coro_aio_req_xs, __FILE__);
2965	sv_setpv ((SV *)slf_cv, proto);	3489	sv_setpv ((SV *)slf_cv, proto);
2966	sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0);	3490	sv_magicext ((SV *)slf_cv, (SV *)req_cv, CORO_MAGIC_type_aio, 0, 0, 0);
2967	}	3491	}

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