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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.228 by root, Sun Apr 6 17:51:15 2008 UTC vs.
Revision 1.262 by root, Mon Nov 10 20:38:19 2008 UTC

…		…
4	#define PERL_EXT	4	#define PERL_EXT
5		5
6	#include "EXTERN.h"	6	#include "EXTERN.h"
7	#include "perl.h"	7	#include "perl.h"
8	#include "XSUB.h"	8	#include "XSUB.h"
		9	#include "perliol.h"
9		10
10	#include "patchlevel.h"	11	#include "patchlevel.h"
11		12
12	#include <stdio.h>	13	#include <stdio.h>
13	#include <errno.h>	14	#include <errno.h>
14	#include <assert.h>	15	#include <assert.h>
		16
		17	#ifdef WIN32
		18	# undef setjmp
		19	# undef longjmp
		20	# undef _exit
		21	# define setjmp _setjmp // deep magic, don't ask
		22	#else
15	#include <inttypes.h> /* portable stdint.h */	23	# include <inttypes.h> /* most portable stdint.h */
		24	#endif
16		25
17	#ifdef HAVE_MMAP	26	#ifdef HAVE_MMAP
18	# include <unistd.h>	27	# include <unistd.h>
19	# include <sys/mman.h>	28	# include <sys/mman.h>
20	# ifndef MAP_ANONYMOUS	29	# ifndef MAP_ANONYMOUS
…		…
43	#else	52	#else
44	# define REGISTER_STACK(cctx,start,end)	53	# define REGISTER_STACK(cctx,start,end)
45	#endif	54	#endif
46		55
47	/* the maximum number of idle cctx that will be pooled */	56	/* the maximum number of idle cctx that will be pooled */
48	#define MAX_IDLE_CCTX 8	57	static int cctx_max_idle = 4;
49		58
50	#define PERL_VERSION_ATLEAST(a,b,c) \	59	#define PERL_VERSION_ATLEAST(a,b,c) \
51	(PERL_REVISION > (a) \	60	(PERL_REVISION > (a) \
52	\|\| (PERL_REVISION == (a) \	61	\|\| (PERL_REVISION == (a) \
53	&& (PERL_VERSION > (b) \	62	&& (PERL_VERSION > (b) \
…		…
72	# ifndef IS_PADCONST	81	# ifndef IS_PADCONST
73	# define IS_PADCONST(v) 0	82	# define IS_PADCONST(v) 0
74	# endif	83	# endif
75	#endif	84	#endif
76		85
		86	/* 5.11 */
		87	#ifndef CxHASARGS
		88	# define CxHASARGS(cx) (cx)->blk_sub.hasargs
		89	#endif
		90
		91	/* 5.10.0 */
		92	#ifndef SvREFCNT_inc_NN
		93	# define SvREFCNT_inc_NN(sv) SvREFCNT_inc (sv)
		94	#endif
		95
77	/* 5.8.8 */	96	/* 5.8.8 */
78	#ifndef GV_NOTQUAL	97	#ifndef GV_NOTQUAL
79	# define GV_NOTQUAL 0	98	# define GV_NOTQUAL 0
80	#endif	99	#endif
81	#ifndef newSV	100	#ifndef newSV
82	# define newSV(l) NEWSV(0,l)	101	# define newSV(l) NEWSV(0,l)
83	#endif
84
85	/* 5.11 */
86	#ifndef CxHASARGS
87	# define CxHASARGS(cx) (cx)->blk_sub.hasargs
88	#endif	102	#endif
89		103
90	/* 5.8.7 */	104	/* 5.8.7 */
91	#ifndef SvRV_set	105	#ifndef SvRV_set
92	# define SvRV_set(s,v) SvRV(s) = (v)	106	# define SvRV_set(s,v) SvRV(s) = (v)
…		…
128	#define NOINLINE attribute ((noinline))	142	#define NOINLINE attribute ((noinline))
129		143
130	#include "CoroAPI.h"	144	#include "CoroAPI.h"
131		145
132	#ifdef USE_ITHREADS	146	#ifdef USE_ITHREADS
		147
133	static perl_mutex coro_mutex;	148	static perl_mutex coro_lock;
134	# define LOCK do { MUTEX_LOCK (&coro_mutex); } while (0)	149	# define LOCK do { MUTEX_LOCK (&coro_lock); } while (0)
135	# define UNLOCK do { MUTEX_UNLOCK (&coro_mutex); } while (0)	150	# define UNLOCK do { MUTEX_UNLOCK (&coro_lock); } while (0)
		151	# if CORO_PTHREAD
		152	static void *coro_thx;
		153	# endif
		154
136	#else	155	#else
		156
137	# define LOCK (void)0	157	# define LOCK (void)0
138	# define UNLOCK (void)0	158	# define UNLOCK (void)0
		159
139	#endif	160	#endif
		161
		162	# undef LOCK
		163	# define LOCK (void)0
		164	# undef UNLOCK
		165	# define UNLOCK (void)0
140		166
141	/* helper storage struct for Coro::AIO */	167	/* helper storage struct for Coro::AIO */
142	struct io_state	168	struct io_state
143	{	169	{
		170	AV *res;
144	int errorno;	171	int errorno;
145	I32 laststype;	172	I32 laststype; /* U16 in 5.10.0 */
146	int laststatval;	173	int laststatval;
147	Stat_t statcache;	174	Stat_t statcache;
148	};	175	};
149		176
		177	static double (nvtime)(); / so why doesn't it take void? */
		178
		179	static U32 cctx_gen;
150	static size_t coro_stacksize = CORO_STACKSIZE;	180	static size_t cctx_stacksize = CORO_STACKSIZE;
151	static struct CoroAPI coroapi;	181	static struct CoroAPI coroapi;
152	static AV main_mainstack; / used to differentiate between $main and others */	182	static AV main_mainstack; / used to differentiate between $main and others */
153	static JMPENV *main_top_env;	183	static JMPENV *main_top_env;
154	static HV coro_state_stash, coro_stash;	184	static HV coro_state_stash, coro_stash;
155	static volatile SV coro_mortal; / will be freed after next transfer */	185	static volatile SV coro_mortal; / will be freed/thrown after next transfer */
		186	static volatile struct coro *transfer_next;
		187
		188	struct transfer_args
		189	{
		190	struct coro prev, next;
		191	};
156		192
157	static GV irsgv; / $/ */	193	static GV irsgv; / $/ */
158	static GV stdoutgv; / STDOUT /	194	static GV stdoutgv; / STDOUT /
159	static SV *rv_diehook;	195	static SV *rv_diehook;
160	static SV *rv_warnhook;	196	static SV *rv_warnhook;
…		…
162		198
163	/* async_pool helper stuff */	199	/* async_pool helper stuff */
164	static SV *sv_pool_rss;	200	static SV *sv_pool_rss;
165	static SV *sv_pool_size;	201	static SV *sv_pool_size;
166	static AV *av_async_pool;	202	static AV *av_async_pool;
		203
		204	/* Coro::AnyEvent */
		205	static SV *sv_activity;
167		206
168	static struct coro_cctx *cctx_first;	207	static struct coro_cctx *cctx_first;
169	static int cctx_count, cctx_idle;	208	static int cctx_count, cctx_idle;
170		209
171	enum {	210	enum {
…		…
189	void idle_sp; / sp of top-level transfer/schedule/cede call */	228	void idle_sp; / sp of top-level transfer/schedule/cede call */
190	JMPENV idle_te; / same as idle_sp, but for top_env, TODO: remove once stable */	229	JMPENV idle_te; / same as idle_sp, but for top_env, TODO: remove once stable */
191	JMPENV *top_env;	230	JMPENV *top_env;
192	coro_context cctx;	231	coro_context cctx;
193		232
		233	U32 gen;
194	#if CORO_USE_VALGRIND	234	#if CORO_USE_VALGRIND
195	int valgrind_id;	235	int valgrind_id;
196	#endif	236	#endif
197	unsigned char flags;	237	unsigned char flags;
198	} coro_cctx;	238	} coro_cctx;
…		…
257	#define PRIO_IDLE -3	297	#define PRIO_IDLE -3
258	#define PRIO_MIN -4	298	#define PRIO_MIN -4
259		299
260	/* for Coro.pm */	300	/* for Coro.pm */
261	static SV *coro_current;	301	static SV *coro_current;
		302	static SV *coro_readyhook;
262	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];	303	static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1];
263	static int coro_nready;	304	static int coro_nready;
264	static struct coro *coro_first;	305	static struct coro *coro_first;
265		306
266	/ lowlevel stuff ********************************************************/	307	/ lowlevel stuff ********************************************************/
267		308
…		…
309	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);	350	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
310	#endif	351	#endif
311	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];	352	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
312	--AvFILLp (padlist);	353	--AvFILLp (padlist);
313		354
314	av_store (newpadlist, 0, SvREFCNT_inc (*av_fetch (padlist, 0, FALSE)));	355	av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE)));
315	av_store (newpadlist, 1, (SV *)newpad);	356	av_store (newpadlist, 1, (SV *)newpad);
316		357
317	return newpadlist;	358	return newpadlist;
318	}	359	}
319		360
…		…
349		390
350	/* casting is fun. */	391	/* casting is fun. */
351	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))	392	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
352	free_padlist (aTHX_ padlist);	393	free_padlist (aTHX_ padlist);
353		394
		395	SvREFCNT_dec (av); /* sv_magicext increased the refcount */
		396
354	return 0;	397	return 0;
355	}	398	}
356		399
357	#define CORO_MAGIC_type_cv PERL_MAGIC_ext	400	#define CORO_MAGIC_type_cv PERL_MAGIC_ext
358	#define CORO_MAGIC_type_state PERL_MAGIC_ext	401	#define CORO_MAGIC_type_state PERL_MAGIC_ext
…		…
360	static MGVTBL coro_cv_vtbl = {	403	static MGVTBL coro_cv_vtbl = {
361	0, 0, 0, 0,	404	0, 0, 0, 0,
362	coro_cv_free	405	coro_cv_free
363	};	406	};
364		407
365	#define CORO_MAGIC(sv,type) \	408	#define CORO_MAGIC(sv, type) \
366	SvMAGIC (sv) \	409	SvMAGIC (sv) \
367	? SvMAGIC (sv)->mg_type == type \	410	? SvMAGIC (sv)->mg_type == type \
368	? SvMAGIC (sv) \	411	? SvMAGIC (sv) \
369	: mg_find (sv, type) \	412	: mg_find (sv, type) \
370	: 0	413	: 0
371		414
372	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)	415	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
373	#define CORO_MAGIC_state(sv) CORO_MAGIC (((SV *)(sv)), CORO_MAGIC_type_state)	416	#define CORO_MAGIC_state(sv) CORO_MAGIC (((SV *)(sv)), CORO_MAGIC_type_state)
374		417
375	static struct coro *	418	static struct coro *
…		…
408	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))	451	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))
409	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];	452	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
410	else	453	else
411	{	454	{
412	#if CORO_PREFER_PERL_FUNCTIONS	455	#if CORO_PREFER_PERL_FUNCTIONS
413	/* this is probably cleaner, but also slower? */	456	/* this is probably cleaner? but also slower! */
		457	/* in practise, it seems to be less stable */
414	CV *cp = Perl_cv_clone (cv);	458	CV *cp = Perl_cv_clone (cv);
415	CvPADLIST (cv) = CvPADLIST (cp);	459	CvPADLIST (cv) = CvPADLIST (cp);
416	CvPADLIST (cp) = 0;	460	CvPADLIST (cp) = 0;
417	SvREFCNT_dec (cp);	461	SvREFCNT_dec (cp);
418	#else	462	#else
…		…
502		546
503	if (expect_true (CvDEPTH (cv)))	547	if (expect_true (CvDEPTH (cv)))
504	{	548	{
505	EXTEND (SP, 3);	549	EXTEND (SP, 3);
506	PUSHs ((SV *)CvPADLIST (cv));	550	PUSHs ((SV *)CvPADLIST (cv));
507	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));	551	PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv)));
508	PUSHs ((SV *)cv);	552	PUSHs ((SV *)cv);
509		553
510	CvDEPTH (cv) = 0;	554	CvDEPTH (cv) = 0;
511	get_padlist (aTHX_ cv);	555	get_padlist (aTHX_ cv);
512	}	556	}
…		…
604		648
605	/*	649	/*
606	* destroy the stacks, the callchain etc...	650	* destroy the stacks, the callchain etc...
607	*/	651	*/
608	static void	652	static void
609	coro_destroy_stacks (pTHX)	653	coro_destruct_stacks (pTHX)
610	{	654	{
611	while (PL_curstackinfo->si_next)	655	while (PL_curstackinfo->si_next)
612	PL_curstackinfo = PL_curstackinfo->si_next;	656	PL_curstackinfo = PL_curstackinfo->si_next;
613		657
614	while (PL_curstackinfo)	658	while (PL_curstackinfo)
…		…
651	#undef VAR	695	#undef VAR
652	}	696	}
653	else	697	else
654	slot = coro->slot;	698	slot = coro->slot;
655		699
		700	if (slot)
		701	{
656	rss += sizeof (slot->curstackinfo);	702	rss += sizeof (slot->curstackinfo);
657	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);	703	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
658	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);	704	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);
659	rss += slot->tmps_max * sizeof (SV *);	705	rss += slot->tmps_max * sizeof (SV *);
660	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);	706	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
661	rss += slot->scopestack_max * sizeof (I32);	707	rss += slot->scopestack_max * sizeof (I32);
662	rss += slot->savestack_max * sizeof (ANY);	708	rss += slot->savestack_max * sizeof (ANY);
663		709
664	#if !PERL_VERSION_ATLEAST (5,10,0)	710	#if !PERL_VERSION_ATLEAST (5,10,0)
665	rss += slot->retstack_max * sizeof (OP *);	711	rss += slot->retstack_max * sizeof (OP *);
666	#endif	712	#endif
		713	}
667	}	714	}
668		715
669	return rss;	716	return rss;
670	}	717	}
671		718
672	/ coroutine stack handling **********************************************/	719	/ coroutine stack handling **********************************************/
673		720
674	static int (orig_sigelem_get) (pTHX_ SV sv, MAGIC *mg);	721	static int (orig_sigelem_get) (pTHX_ SV sv, MAGIC *mg);
675	static int (orig_sigelem_set) (pTHX_ SV sv, MAGIC *mg);	722	static int (orig_sigelem_set) (pTHX_ SV sv, MAGIC *mg);
		723	static int (orig_sigelem_clr) (pTHX_ SV sv, MAGIC *mg);
		724
		725	/* apparently < 5.8.8 */
		726	#ifndef MgPV_nolen_const
		727	#define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \
		728	SvPV_nolen((SV*)((mg)->mg_ptr)) : \
		729	(const char*)(mg)->mg_ptr)
		730	#endif
676		731
677	/*	732	/*
678	* This overrides the default magic get method of %SIG elements.	733	* This overrides the default magic get method of %SIG elements.
679	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook	734	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook
680	* and instead of tryign to save and restore the hash elements, we just provide	735	* and instead of tryign to save and restore the hash elements, we just provide
…		…
688	{	743	{
689	const char *s = MgPV_nolen_const (mg);	744	const char *s = MgPV_nolen_const (mg);
690		745
691	if (*s == '_')	746	if (*s == '_')
692	{	747	{
693	if (strEQ (s, "__DIE__" ) && PL_diehook ) return sv_setsv (sv, PL_diehook ), 0;	748	SV **svp = 0;
694	if (strEQ (s, "__WARN__") && PL_warnhook) return sv_setsv (sv, PL_warnhook), 0;	749
		750	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		751	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		752
		753	if (svp)
		754	{
		755	sv_setsv (sv, svp ? svp : &PL_sv_undef);
		756	return 0;
		757	}
695	}	758	}
696		759
697	return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0;	760	return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0;
		761	}
		762
		763	static int
		764	coro_sigelem_clr (pTHX_ SV sv, MAGIC mg)
		765	{
		766	const char *s = MgPV_nolen_const (mg);
		767
		768	if (*s == '_')
		769	{
		770	SV **svp = 0;
		771
		772	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		773	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		774
		775	if (svp)
		776	{
		777	SV old = svp;
		778	*svp = 0;
		779	SvREFCNT_dec (old);
		780	return 0;
		781	}
		782	}
		783
		784	return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0;
698	}	785	}
699		786
700	static int	787	static int
701	coro_sigelem_set (pTHX_ SV sv, MAGIC mg)	788	coro_sigelem_set (pTHX_ SV sv, MAGIC mg)
702	{	789	{
…		…
712	if (svp)	799	if (svp)
713	{	800	{
714	SV old = svp;	801	SV old = svp;
715	*svp = newSVsv (sv);	802	*svp = newSVsv (sv);
716	SvREFCNT_dec (old);	803	SvREFCNT_dec (old);
717	return;	804	return 0;
718	}	805	}
719	}	806	}
720		807
721	return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0;	808	return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0;
722	}	809	}
…		…
736	PL_curpm = 0;	823	PL_curpm = 0;
737	PL_curpad = 0;	824	PL_curpad = 0;
738	PL_localizing = 0;	825	PL_localizing = 0;
739	PL_dirty = 0;	826	PL_dirty = 0;
740	PL_restartop = 0;	827	PL_restartop = 0;
741	#if !PERL_VERSION_ATLEAST (5,10,0)	828	#if PERL_VERSION_ATLEAST (5,10,0)
742	PL_parser = 0;	829	PL_parser = 0;
743	#endif	830	#endif
744		831
745	/* recreate the die/warn hooks */	832	/* recreate the die/warn hooks */
746	PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook );	833	PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook );
…		…
749	GvSV (PL_defgv) = newSV (0);	836	GvSV (PL_defgv) = newSV (0);
750	GvAV (PL_defgv) = coro->args; coro->args = 0;	837	GvAV (PL_defgv) = coro->args; coro->args = 0;
751	GvSV (PL_errgv) = newSV (0);	838	GvSV (PL_errgv) = newSV (0);
752	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);	839	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
753	PL_rs = newSVsv (GvSV (irsgv));	840	PL_rs = newSVsv (GvSV (irsgv));
754	PL_defoutgv = (GV *)SvREFCNT_inc (stdoutgv);	841	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);
755		842
756	{	843	{
757	dSP;	844	dSP;
758	LOGOP myop;	845	UNOP myop;
759		846
760	Zero (&myop, 1, LOGOP);	847	Zero (&myop, 1, UNOP);
761	myop.op_next = Nullop;	848	myop.op_next = Nullop;
762	myop.op_flags = OPf_WANT_VOID;	849	myop.op_flags = OPf_WANT_VOID;
763		850
764	PUSHMARK (SP);	851	PUSHMARK (SP);
765	XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv))));	852	XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv))));
…		…
769	SPAGAIN;	856	SPAGAIN;
770	}	857	}
771		858
772	/* this newly created coroutine might be run on an existing cctx which most	859	/* this newly created coroutine might be run on an existing cctx which most
773	* likely was suspended in set_stacklevel, called from entersub.	860	* likely was suspended in set_stacklevel, called from entersub.
774	* set_stacklevl doesn't do anything on return, but entersub does LEAVE,	861	* set_stacklevel doesn't do anything on return, but entersub does LEAVE,
775	* so we ENTER here for symmetry	862	* so we ENTER here for symmetry.
776	*/	863	*/
777	ENTER;	864	ENTER;
778	}	865	}
779		866
780	static void	867	static void
781	coro_destroy (pTHX_ struct coro *coro)	868	coro_destruct (pTHX_ struct coro *coro)
782	{	869	{
783	if (!IN_DESTRUCT)	870	if (!IN_DESTRUCT)
784	{	871	{
785	/* restore all saved variables and stuff */	872	/* restore all saved variables and stuff */
786	LEAVE_SCOPE (0);	873	LEAVE_SCOPE (0);
…		…
808	SvREFCNT_dec (PL_warnhook);	895	SvREFCNT_dec (PL_warnhook);
809		896
810	SvREFCNT_dec (coro->saved_deffh);	897	SvREFCNT_dec (coro->saved_deffh);
811	SvREFCNT_dec (coro->throw);	898	SvREFCNT_dec (coro->throw);
812		899
813	coro_destroy_stacks (aTHX);	900	coro_destruct_stacks (aTHX);
814	}	901	}
815		902
816	static void	903	static void
817	free_coro_mortal (pTHX)	904	free_coro_mortal (pTHX)
818	{	905	{
…		…
855	: cx->blk_gimme == G_SCALAR ? bot + 1	942	: cx->blk_gimme == G_SCALAR ? bot + 1
856	: bot;	943	: bot;
857		944
858	av_extend (av, top - bot);	945	av_extend (av, top - bot);
859	while (bot < top)	946	while (bot < top)
860	av_push (av, SvREFCNT_inc (*bot++));	947	av_push (av, SvREFCNT_inc_NN (*bot++));
861		948
862	PL_runops = RUNOPS_DEFAULT;	949	PL_runops = RUNOPS_DEFAULT;
863	ENTER;	950	ENTER;
864	SAVETMPS;	951	SAVETMPS;
865	EXTEND (SP, 3);	952	EXTEND (SP, 3);
…		…
945		1032
946	TAINT_NOT;	1033	TAINT_NOT;
947	return 0;	1034	return 0;
948	}	1035	}
949		1036
		1037	static void
		1038	prepare_set_stacklevel (struct transfer_args ta, struct coro_cctx cctx)
		1039	{
		1040	ta->prev = (struct coro *)cctx;
		1041	ta->next = 0;
		1042	}
		1043
950	/* inject a fake call to Coro::State::_cctx_init into the execution */	1044	/* inject a fake call to Coro::State::_cctx_init into the execution */
951	/* _cctx_init should be careful, as it could be called at almost any time */	1045	/* _cctx_init should be careful, as it could be called at almost any time */
952	/* during execution of a perl program */	1046	/* during execution of a perl program */
		1047	/* also initialises PL_top_env */
953	static void NOINLINE	1048	static void NOINLINE
954	cctx_prepare (pTHX_ coro_cctx *cctx)	1049	cctx_prepare (pTHX_ coro_cctx *cctx)
955	{	1050	{
956	dSP;	1051	dSP;
957	LOGOP myop;	1052	UNOP myop;
958		1053
959	PL_top_env = &PL_start_env;	1054	PL_top_env = &PL_start_env;
960		1055
961	if (cctx->flags & CC_TRACE)	1056	if (cctx->flags & CC_TRACE)
962	PL_runops = runops_trace;	1057	PL_runops = runops_trace;
963		1058
964	Zero (&myop, 1, LOGOP);	1059	Zero (&myop, 1, UNOP);
965	myop.op_next = PL_op;	1060	myop.op_next = PL_op;
966	myop.op_flags = OPf_WANT_VOID \| OPf_STACKED;	1061	myop.op_flags = OPf_WANT_VOID \| OPf_STACKED;
967		1062
968	PUSHMARK (SP);	1063	PUSHMARK (SP);
969	EXTEND (SP, 2);	1064	EXTEND (SP, 2);
970	PUSHs (sv_2mortal (newSViv (PTR2IV (cctx))));	1065	PUSHs (sv_2mortal (newSViv ((IV)cctx)));
971	PUSHs ((SV *)get_cv ("Coro::State::_cctx_init", FALSE));	1066	PUSHs ((SV *)get_cv ("Coro::State::_cctx_init", FALSE));
972	PUTBACK;	1067	PUTBACK;
973	PL_op = (OP *)&myop;	1068	PL_op = (OP *)&myop;
974	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	1069	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
975	SPAGAIN;	1070	SPAGAIN;
976	}	1071	}
977		1072
		1073	/* the tail of transfer: execute stuff we can only do after a transfer */
		1074	static void
		1075	transfer_tail (pTHX)
		1076	{
		1077	struct coro next = (struct coro )transfer_next;
		1078	transfer_next = 0; //D for temporary assertion in transfer
		1079	assert (("FATAL ERROR: internal error 1067 in Coro module, please report", next));//D
		1080
		1081	free_coro_mortal (aTHX);
		1082	UNLOCK;
		1083
		1084	if (expect_false (next->throw))
		1085	{
		1086	SV *exception = sv_2mortal (next->throw);
		1087
		1088	next->throw = 0;
		1089	sv_setsv (ERRSV, exception);
		1090	croak (0);
		1091	}
		1092	}
		1093
978	/*	1094	/*
979	* this is a _very_ stripped down perl interpreter ;)	1095	* this is a _very_ stripped down perl interpreter ;)
980	*/	1096	*/
981	static void	1097	static void
982	cctx_run (void *arg)	1098	cctx_run (void *arg)
983	{	1099	{
		1100	#ifdef USE_ITHREADS
		1101	# if CORO_PTHREAD
		1102	PERL_SET_CONTEXT (coro_thx);
		1103	# endif
		1104	#endif
		1105	{
984	dTHX;	1106	dTHX;
985		1107
986	/* cctx_run is the alternative tail of transfer(), so unlock here. */	1108	/* entersub called ENTER, but we never 'returned', undo that here */
987	UNLOCK;	1109	LEAVE;
988		1110
989	/* we now skip the entersub that lead to transfer() */	1111	/* we now skip the entersub that did lead to transfer() */
990	PL_op = PL_op->op_next;	1112	PL_op = PL_op->op_next;
991		1113
992	/* inject a fake subroutine call to cctx_init */	1114	/* inject a fake subroutine call to cctx_init */
993	cctx_prepare (aTHX_ (coro_cctx *)arg);	1115	cctx_prepare (aTHX_ (coro_cctx *)arg);
994		1116
		1117	/* cctx_run is the alternative tail of transfer() */
		1118	transfer_tail (aTHX);
		1119
995	/* somebody or something will hit me for both perl_run and PL_restartop */	1120	/* somebody or something will hit me for both perl_run and PL_restartop */
996	PL_restartop = PL_op;	1121	PL_restartop = PL_op;
997	perl_run (PL_curinterp);	1122	perl_run (PL_curinterp);
998		1123
999	/*	1124	/*
1000	* If perl-run returns we assume exit() was being called or the coro	1125	* If perl-run returns we assume exit() was being called or the coro
1001	* fell off the end, which seems to be the only valid (non-bug)	1126	* fell off the end, which seems to be the only valid (non-bug)
1002	* reason for perl_run to return. We try to exit by jumping to the	1127	* reason for perl_run to return. We try to exit by jumping to the
1003	* bootstrap-time "top" top_env, as we cannot restore the "main"	1128	* bootstrap-time "top" top_env, as we cannot restore the "main"
1004	* coroutine as Coro has no such concept	1129	* coroutine as Coro has no such concept
1005	*/	1130	*/
1006	PL_top_env = main_top_env;	1131	PL_top_env = main_top_env;
1007	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */	1132	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */
		1133	}
1008	}	1134	}
1009		1135
1010	static coro_cctx *	1136	static coro_cctx *
1011	cctx_new ()	1137	cctx_new ()
1012	{	1138	{
1013	coro_cctx *cctx;	1139	coro_cctx *cctx;
		1140
		1141	++cctx_count;
		1142	New (0, cctx, 1, coro_cctx);
		1143
		1144	cctx->gen = cctx_gen;
		1145	cctx->flags = 0;
		1146	cctx->idle_sp = 0; /* can be accessed by transfer between cctx_run and set_stacklevel, on throw */
		1147
		1148	return cctx;
		1149	}
		1150
		1151	/* create a new cctx only suitable as source */
		1152	static coro_cctx *
		1153	cctx_new_empty ()
		1154	{
		1155	coro_cctx *cctx = cctx_new ();
		1156
		1157	cctx->sptr = 0;
		1158	coro_create (&cctx->cctx, 0, 0, 0, 0);
		1159
		1160	return cctx;
		1161	}
		1162
		1163	/* create a new cctx suitable as destination/running a perl interpreter */
		1164	static coro_cctx *
		1165	cctx_new_run ()
		1166	{
		1167	coro_cctx *cctx = cctx_new ();
1014	void *stack_start;	1168	void *stack_start;
1015	size_t stack_size;	1169	size_t stack_size;
1016		1170
1017	++cctx_count;
1018
1019	Newz (0, cctx, 1, coro_cctx);
1020
1021	#if HAVE_MMAP	1171	#if HAVE_MMAP
1022	cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;	1172	cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;
1023	/* mmap supposedly does allocate-on-write for us */	1173	/* mmap supposedly does allocate-on-write for us */
1024	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);	1174	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);
1025		1175
1026	if (cctx->sptr != (void *)-1)	1176	if (cctx->sptr != (void *)-1)
1027	{	1177	{
…		…
1033	cctx->flags \|= CC_MAPPED;	1183	cctx->flags \|= CC_MAPPED;
1034	}	1184	}
1035	else	1185	else
1036	#endif	1186	#endif
1037	{	1187	{
1038	cctx->ssize = coro_stacksize * (long)sizeof (long);	1188	cctx->ssize = cctx_stacksize * (long)sizeof (long);
1039	New (0, cctx->sptr, coro_stacksize, long);	1189	New (0, cctx->sptr, cctx_stacksize, long);
1040		1190
1041	if (!cctx->sptr)	1191	if (!cctx->sptr)
1042	{	1192	{
1043	perror ("FATAL: unable to allocate stack for coroutine");	1193	perror ("FATAL: unable to allocate stack for coroutine");
1044	_exit (EXIT_FAILURE);	1194	_exit (EXIT_FAILURE);
…		…
1059	{	1209	{
1060	if (!cctx)	1210	if (!cctx)
1061	return;	1211	return;
1062		1212
1063	--cctx_count;	1213	--cctx_count;
		1214	coro_destroy (&cctx->cctx);
1064		1215
		1216	/* coro_transfer creates new, empty cctx's */
		1217	if (cctx->sptr)
		1218	{
1065	#if CORO_USE_VALGRIND	1219	#if CORO_USE_VALGRIND
1066	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);	1220	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
1067	#endif	1221	#endif
1068		1222
1069	#if HAVE_MMAP	1223	#if HAVE_MMAP
1070	if (cctx->flags & CC_MAPPED)	1224	if (cctx->flags & CC_MAPPED)
1071	munmap (cctx->sptr, cctx->ssize);	1225	munmap (cctx->sptr, cctx->ssize);
1072	else	1226	else
1073	#endif	1227	#endif
1074	Safefree (cctx->sptr);	1228	Safefree (cctx->sptr);
		1229	}
1075		1230
1076	Safefree (cctx);	1231	Safefree (cctx);
1077	}	1232	}
1078		1233
1079	/* wether this cctx should be destructed */	1234	/* wether this cctx should be destructed */
1080	#define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize \|\| ((cctx)->flags & CC_NOREUSE))	1235	#define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen \|\| ((cctx)->flags & CC_NOREUSE))
1081		1236
1082	static coro_cctx *	1237	static coro_cctx *
1083	cctx_get (pTHX)	1238	cctx_get (pTHX)
1084	{	1239	{
1085	while (expect_true (cctx_first))	1240	while (expect_true (cctx_first))
…		…
1092	return cctx;	1247	return cctx;
1093		1248
1094	cctx_destroy (cctx);	1249	cctx_destroy (cctx);
1095	}	1250	}
1096		1251
1097	return cctx_new ();	1252	return cctx_new_run ();
1098	}	1253	}
1099		1254
1100	static void	1255	static void
1101	cctx_put (coro_cctx *cctx)	1256	cctx_put (coro_cctx *cctx)
1102	{	1257	{
		1258	assert (("cctx_put called on non-initialised cctx", cctx->sptr));
		1259
1103	/* free another cctx if overlimit */	1260	/* free another cctx if overlimit */
1104	if (expect_false (cctx_idle >= MAX_IDLE_CCTX))	1261	if (expect_false (cctx_idle >= cctx_max_idle))
1105	{	1262	{
1106	coro_cctx *first = cctx_first;	1263	coro_cctx *first = cctx_first;
1107	cctx_first = first->next;	1264	cctx_first = first->next;
1108	--cctx_idle;	1265	--cctx_idle;
1109		1266
…		…
1130		1287
1131	if (expect_false (next->flags & CF_DESTROYED))	1288	if (expect_false (next->flags & CF_DESTROYED))
1132	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");	1289	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
1133		1290
1134	#if !PERL_VERSION_ATLEAST (5,10,0)	1291	#if !PERL_VERSION_ATLEAST (5,10,0)
1135	if (expect_false (PL_lex_state != LEX_NOTPARSING)	1292	if (expect_false (PL_lex_state != LEX_NOTPARSING))
1136	croak ("Coro::State::transfer called while parsing, but this is not supported");	1293	croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version");
1137	#endif	1294	#endif
1138	}	1295	}
1139	}	1296	}
1140		1297
1141	/* always use the TRANSFER macro */	1298	/* always use the TRANSFER macro */
1142	static void NOINLINE	1299	static void NOINLINE
1143	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)	1300	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)
1144	{	1301	{
1145	dSTACKLEVEL;	1302	dSTACKLEVEL;
1146	static volatile int has_throw;
1147		1303
1148	/* sometimes transfer is only called to set idle_sp */	1304	/* sometimes transfer is only called to set idle_sp */
1149	if (expect_false (!next))	1305	if (expect_false (!next))
1150	{	1306	{
1151	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1307	((coro_cctx *)prev)->idle_sp = STACKLEVEL;
…		…
1155	{	1311	{
1156	coro_cctx *prev__cctx;	1312	coro_cctx *prev__cctx;
1157		1313
1158	if (expect_false (prev->flags & CF_NEW))	1314	if (expect_false (prev->flags & CF_NEW))
1159	{	1315	{
1160	/* create a new empty context */	1316	/* create a new empty/source context */
1161	Newz (0, prev->cctx, 1, coro_cctx);	1317	prev->cctx = cctx_new_empty ();
1162	prev->flags &= ~CF_NEW;	1318	prev->flags &= ~CF_NEW;
1163	prev->flags \|= CF_RUNNING;	1319	prev->flags \|= CF_RUNNING;
1164	}	1320	}
1165		1321
1166	prev->flags &= ~CF_RUNNING;	1322	prev->flags &= ~CF_RUNNING;
…		…
1181	else	1337	else
1182	load_perl (aTHX_ next);	1338	load_perl (aTHX_ next);
1183		1339
1184	prev__cctx = prev->cctx;	1340	prev__cctx = prev->cctx;
1185		1341
1186	/* possibly "free" the cctx */	1342	/* possibly untie and reuse the cctx */
1187	if (expect_true (	1343	if (expect_true (
1188	prev__cctx->idle_sp == STACKLEVEL	1344	prev__cctx->idle_sp == STACKLEVEL
1189	&& !(prev__cctx->flags & CC_TRACE)	1345	&& !(prev__cctx->flags & CC_TRACE)
1190	&& !force_cctx	1346	&& !force_cctx
1191	))	1347	))
…		…
1207	++next->usecount;	1363	++next->usecount;
1208		1364
1209	if (expect_true (!next->cctx))	1365	if (expect_true (!next->cctx))
1210	next->cctx = cctx_get (aTHX);	1366	next->cctx = cctx_get (aTHX);
1211		1367
1212	has_throw = !!next->throw;	1368	assert (("FATAL ERROR: internal error 1352 in Coro, please report", !transfer_next));//D
		1369	transfer_next = next;
1213		1370
1214	if (expect_false (prev__cctx != next->cctx))	1371	if (expect_false (prev__cctx != next->cctx))
1215	{	1372	{
1216	prev__cctx->top_env = PL_top_env;	1373	prev__cctx->top_env = PL_top_env;
1217	PL_top_env = next->cctx->top_env;	1374	PL_top_env = next->cctx->top_env;
1218	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);	1375	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);
1219	}	1376	}
1220		1377
1221	free_coro_mortal (aTHX);	1378	transfer_tail (aTHX);
1222	UNLOCK;
1223
1224	if (expect_false (has_throw))
1225	{
1226	struct coro *coro = SvSTATE (coro_current);
1227
1228	if (coro->throw)
1229	{
1230	SV *exception = coro->throw;
1231	coro->throw = 0;
1232	sv_setsv (ERRSV, exception);
1233	croak (0);
1234	}
1235	}
1236	}	1379	}
1237	}	1380	}
1238
1239	struct transfer_args
1240	{
1241	struct coro prev, next;
1242	};
1243		1381
1244	#define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx))	1382	#define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx))
1245	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)	1383	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
1246		1384
1247	/ high level stuff ******************************************************/	1385	/ high level stuff ******************************************************/
…		…
1273	croak ("FATAL: tried to destroy currently running coroutine");	1411	croak ("FATAL: tried to destroy currently running coroutine");
1274		1412
1275	save_perl (aTHX_ &temp);	1413	save_perl (aTHX_ &temp);
1276	load_perl (aTHX_ coro);	1414	load_perl (aTHX_ coro);
1277		1415
1278	coro_destroy (aTHX_ coro);	1416	coro_destruct (aTHX_ coro);
1279		1417
1280	load_perl (aTHX_ &temp);	1418	load_perl (aTHX_ &temp);
1281		1419
1282	coro->slot = 0;	1420	coro->slot = 0;
1283	}	1421	}
…		…
1371	static int	1509	static int
1372	api_ready (SV *coro_sv)	1510	api_ready (SV *coro_sv)
1373	{	1511	{
1374	dTHX;	1512	dTHX;
1375	struct coro *coro;	1513	struct coro *coro;
		1514	SV *sv_hook;
		1515	void (*xs_hook)(void);
1376		1516
1377	if (SvROK (coro_sv))	1517	if (SvROK (coro_sv))
1378	coro_sv = SvRV (coro_sv);	1518	coro_sv = SvRV (coro_sv);
1379		1519
1380	coro = SvSTATE (coro_sv);	1520	coro = SvSTATE (coro_sv);
…		…
1383	return 0;	1523	return 0;
1384		1524
1385	coro->flags \|= CF_READY;	1525	coro->flags \|= CF_READY;
1386		1526
1387	LOCK;	1527	LOCK;
		1528
		1529	sv_hook = coro_nready ? 0 : coro_readyhook;
		1530	xs_hook = coro_nready ? 0 : coroapi.readyhook;
		1531
1388	coro_enq (aTHX_ SvREFCNT_inc (coro_sv));	1532	coro_enq (aTHX_ SvREFCNT_inc_NN (coro_sv));
1389	++coro_nready;	1533	++coro_nready;
		1534
1390	UNLOCK;	1535	UNLOCK;
		1536
		1537	if (sv_hook)
		1538	{
		1539	dSP;
		1540
		1541	ENTER;
		1542	SAVETMPS;
		1543
		1544	PUSHMARK (SP);
		1545	PUTBACK;
		1546	call_sv (sv_hook, G_DISCARD);
		1547	SPAGAIN;
		1548
		1549	FREETMPS;
		1550	LEAVE;
		1551	}
		1552
		1553	if (xs_hook)
		1554	xs_hook ();
1391		1555
1392	return 1;	1556	return 1;
1393	}	1557	}
1394		1558
1395	static int	1559	static int
…		…
1433	/* cannot transfer to destroyed coros, skip and look for next */	1597	/* cannot transfer to destroyed coros, skip and look for next */
1434	if (expect_false (ta->next->flags & CF_DESTROYED))	1598	if (expect_false (ta->next->flags & CF_DESTROYED))
1435	{	1599	{
1436	UNLOCK;	1600	UNLOCK;
1437	SvREFCNT_dec (next_sv);	1601	SvREFCNT_dec (next_sv);
1438	/* coro_nready is already taken care of by destroy */	1602	/* coro_nready has already been taken care of by destroy */
1439	continue;	1603	continue;
1440	}	1604	}
1441		1605
1442	--coro_nready;	1606	--coro_nready;
1443	UNLOCK;	1607	UNLOCK;
…		…
1528	struct coro *coro = SvSTATE (coro_sv);	1692	struct coro *coro = SvSTATE (coro_sv);
1529		1693
1530	if (flags & CC_TRACE)	1694	if (flags & CC_TRACE)
1531	{	1695	{
1532	if (!coro->cctx)	1696	if (!coro->cctx)
1533	coro->cctx = cctx_new ();	1697	coro->cctx = cctx_new_run ();
1534	else if (!(coro->cctx->flags & CC_TRACE))	1698	else if (!(coro->cctx->flags & CC_TRACE))
1535	croak ("cannot enable tracing on coroutine with custom stack");	1699	croak ("cannot enable tracing on coroutine with custom stack");
1536		1700
1537	coro->cctx->flags \|= CC_NOREUSE \| (flags & (CC_TRACE \| CC_TRACE_ALL));	1701	coro->cctx->flags \|= CC_NOREUSE \| (flags & (CC_TRACE \| CC_TRACE_ALL));
1538	}	1702	}
…		…
1545	else	1709	else
1546	coro->slot->runops = RUNOPS_DEFAULT;	1710	coro->slot->runops = RUNOPS_DEFAULT;
1547	}	1711	}
1548	}	1712	}
1549		1713
		1714	#if 0
		1715	static int
		1716	coro_gensub_free (pTHX_ SV sv, MAGIC mg)
		1717	{
		1718	AV *padlist;
		1719	AV av = (AV )mg->mg_obj;
		1720
		1721	abort ();
		1722
		1723	return 0;
		1724	}
		1725
		1726	static MGVTBL coro_gensub_vtbl = {
		1727	0, 0, 0, 0,
		1728	coro_gensub_free
		1729	};
		1730	#endif
		1731
		1732	/*****************************************************************************/
		1733	/* PerlIO::cede */
		1734
		1735	typedef struct
		1736	{
		1737	PerlIOBuf base;
		1738	NV next, every;
		1739	} PerlIOCede;
		1740
		1741	static IV
		1742	PerlIOCede_pushed (pTHX_ PerlIO f, const char mode, SV arg, PerlIO_funcs tab)
		1743	{
		1744	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1745
		1746	self->every = SvCUR (arg) ? SvNV (arg) : 0.01;
		1747	self->next = nvtime () + self->every;
		1748
		1749	return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab);
		1750	}
		1751
		1752	static SV *
		1753	PerlIOCede_getarg (pTHX_ PerlIO f, CLONE_PARAMS param, int flags)
		1754	{
		1755	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1756
		1757	return newSVnv (self->every);
		1758	}
		1759
		1760	static IV
		1761	PerlIOCede_flush (pTHX_ PerlIO *f)
		1762	{
		1763	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1764	double now = nvtime ();
		1765
		1766	if (now >= self->next)
		1767	{
		1768	api_cede ();
		1769	self->next = now + self->every;
		1770	}
		1771
		1772	return PerlIOBuf_flush (aTHX_ f);
		1773	}
		1774
		1775	static PerlIO_funcs PerlIO_cede =
		1776	{
		1777	sizeof(PerlIO_funcs),
		1778	"cede",
		1779	sizeof(PerlIOCede),
		1780	PERLIO_K_DESTRUCT \| PERLIO_K_RAW,
		1781	PerlIOCede_pushed,
		1782	PerlIOBuf_popped,
		1783	PerlIOBuf_open,
		1784	PerlIOBase_binmode,
		1785	PerlIOCede_getarg,
		1786	PerlIOBase_fileno,
		1787	PerlIOBuf_dup,
		1788	PerlIOBuf_read,
		1789	PerlIOBuf_unread,
		1790	PerlIOBuf_write,
		1791	PerlIOBuf_seek,
		1792	PerlIOBuf_tell,
		1793	PerlIOBuf_close,
		1794	PerlIOCede_flush,
		1795	PerlIOBuf_fill,
		1796	PerlIOBase_eof,
		1797	PerlIOBase_error,
		1798	PerlIOBase_clearerr,
		1799	PerlIOBase_setlinebuf,
		1800	PerlIOBuf_get_base,
		1801	PerlIOBuf_bufsiz,
		1802	PerlIOBuf_get_ptr,
		1803	PerlIOBuf_get_cnt,
		1804	PerlIOBuf_set_ptrcnt,
		1805	};
		1806
		1807
1550	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	1808	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1551		1809
1552	PROTOTYPES: DISABLE	1810	PROTOTYPES: DISABLE
1553		1811
1554	BOOT:	1812	BOOT:
1555	{	1813	{
1556	#ifdef USE_ITHREADS	1814	#ifdef USE_ITHREADS
1557	MUTEX_INIT (&coro_mutex);	1815	MUTEX_INIT (&coro_lock);
		1816	# if CORO_PTHREAD
		1817	coro_thx = PERL_GET_CONTEXT;
		1818	# endif
1558	#endif	1819	#endif
1559	BOOT_PAGESIZE;	1820	BOOT_PAGESIZE;
1560		1821
1561	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);	1822	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
1562	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);	1823	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
1563		1824
1564	orig_sigelem_get = PL_vtbl_sigelem.svt_get;	1825	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;
1565	PL_vtbl_sigelem.svt_get = coro_sigelem_get;	1826	orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;
1566	orig_sigelem_set = PL_vtbl_sigelem.svt_set;	1827	orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr;
1567	PL_vtbl_sigelem.svt_set = coro_sigelem_set;
1568		1828
1569	hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);	1829	hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);
1570	rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));	1830	rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));
1571	rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));	1831	rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));
1572		1832
…		…
1581	main_top_env = PL_top_env;	1841	main_top_env = PL_top_env;
1582		1842
1583	while (main_top_env->je_prev)	1843	while (main_top_env->je_prev)
1584	main_top_env = main_top_env->je_prev;	1844	main_top_env = main_top_env->je_prev;
1585		1845
1586	coroapi.ver = CORO_API_VERSION;	1846	coroapi.ver = CORO_API_VERSION;
1587	coroapi.rev = CORO_API_REVISION;	1847	coroapi.rev = CORO_API_REVISION;
1588	coroapi.transfer = api_transfer;	1848	coroapi.transfer = api_transfer;
		1849
		1850	{
		1851	SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0);
		1852
		1853	if (!svp) croak ("Time::HiRes is required");
		1854	if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");
		1855
		1856	nvtime = INT2PTR (double ()(), SvIV (svp));
		1857	}
1589		1858
1590	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	1859	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
1591	}	1860	}
1592		1861
1593	SV *	1862	SV *
…		…
1635		1904
1636	PUTBACK;	1905	PUTBACK;
1637	switch (ix)	1906	switch (ix)
1638	{	1907	{
1639	case 0:	1908	case 0:
1640	ta.prev = (struct coro )INT2PTR (coro_cctx , SvIV (ST (0)));	1909	prepare_set_stacklevel (&ta, (struct coro_cctx *)SvIV (ST (0)));
1641	ta.next = 0;
1642	break;	1910	break;
1643		1911
1644	case 1:	1912	case 1:
1645	if (items != 2)	1913	if (items != 2)
1646	croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items);	1914	croak ("Coro::State::transfer (prev, next) expects two arguments, not %d", items);
1647		1915
1648	prepare_transfer (aTHX_ &ta, ST (0), ST (1));	1916	prepare_transfer (aTHX_ &ta, ST (0), ST (1));
1649	break;	1917	break;
1650		1918
1651	case 2:	1919	case 2:
…		…
1677	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));	1945	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));
1678	OUTPUT:	1946	OUTPUT:
1679	RETVAL	1947	RETVAL
1680		1948
1681	void	1949	void
1682	_exit (code)	1950	_exit (int code)
1683	int code
1684	PROTOTYPE: $	1951	PROTOTYPE: $
1685	CODE:	1952	CODE:
1686	_exit (code);	1953	_exit (code);
1687		1954
1688	int	1955	int
1689	cctx_stacksize (int new_stacksize = 0)	1956	cctx_stacksize (int new_stacksize = 0)
1690	CODE:	1957	CODE:
1691	RETVAL = coro_stacksize;	1958	RETVAL = cctx_stacksize;
1692	if (new_stacksize)	1959	if (new_stacksize)
		1960	{
1693	coro_stacksize = new_stacksize;	1961	cctx_stacksize = new_stacksize;
		1962	++cctx_gen;
		1963	}
		1964	OUTPUT:
		1965	RETVAL
		1966
		1967	int
		1968	cctx_max_idle (int max_idle = 0)
		1969	CODE:
		1970	RETVAL = cctx_max_idle;
		1971	if (max_idle > 1)
		1972	cctx_max_idle = max_idle;
1694	OUTPUT:	1973	OUTPUT:
1695	RETVAL	1974	RETVAL
1696		1975
1697	int	1976	int
1698	cctx_count ()	1977	cctx_count ()
…		…
1722	call (Coro::State coro, SV *coderef)	2001	call (Coro::State coro, SV *coderef)
1723	ALIAS:	2002	ALIAS:
1724	eval = 1	2003	eval = 1
1725	CODE:	2004	CODE:
1726	{	2005	{
1727	if (coro->mainstack)	2006	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))
1728	{	2007	{
1729	struct coro temp;	2008	struct coro temp;
1730		2009
1731	if (!(coro->flags & CF_RUNNING))	2010	if (!(coro->flags & CF_RUNNING))
1732	{	2011	{
…		…
1776	RETVAL = boolSV (coro->flags & ix);	2055	RETVAL = boolSV (coro->flags & ix);
1777	OUTPUT:	2056	OUTPUT:
1778	RETVAL	2057	RETVAL
1779		2058
1780	void	2059	void
		2060	throw (Coro::State self, SV *throw = &PL_sv_undef)
		2061	PROTOTYPE: $;$
		2062	CODE:
		2063	SvREFCNT_dec (self->throw);
		2064	self->throw = SvOK (throw) ? newSVsv (throw) : 0;
		2065
		2066	void
1781	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)	2067	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)
1782		2068
1783	SV *	2069	SV *
1784	has_stack (Coro::State coro)	2070	has_cctx (Coro::State coro)
1785	PROTOTYPE: $	2071	PROTOTYPE: $
1786	CODE:	2072	CODE:
1787	RETVAL = boolSV (!!coro->cctx);	2073	RETVAL = boolSV (!!coro->cctx);
1788	OUTPUT:	2074	OUTPUT:
1789	RETVAL	2075	RETVAL
…		…
1794	CODE:	2080	CODE:
1795	RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL;	2081	RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL;
1796	OUTPUT:	2082	OUTPUT:
1797	RETVAL	2083	RETVAL
1798		2084
1799	IV	2085	UV
1800	rss (Coro::State coro)	2086	rss (Coro::State coro)
1801	PROTOTYPE: $	2087	PROTOTYPE: $
1802	ALIAS:	2088	ALIAS:
1803	usecount = 1	2089	usecount = 1
1804	CODE:	2090	CODE:
…		…
1814	force_cctx ()	2100	force_cctx ()
1815	CODE:	2101	CODE:
1816	struct coro *coro = SvSTATE (coro_current);	2102	struct coro *coro = SvSTATE (coro_current);
1817	coro->cctx->idle_sp = 0;	2103	coro->cctx->idle_sp = 0;
1818		2104
1819	MODULE = Coro::State PACKAGE = Coro
1820
1821	BOOT:
1822	{
1823	int i;
1824
1825	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
1826	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
1827	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
1828
1829	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);
1830	SvREADONLY_on (coro_current);
1831
1832	coro_stash = gv_stashpv ("Coro", TRUE);
1833
1834	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
1835	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
1836	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
1837	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
1838	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));
1839	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));
1840
1841	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
1842	coro_ready[i] = newAV ();
1843
1844	{
1845	SV *sv = perl_get_sv ("Coro::API", TRUE);
1846	perl_get_sv ("Coro::API", TRUE); /* silence 5.10 warning */
1847
1848	coroapi.schedule = api_schedule;
1849	coroapi.cede = api_cede;
1850	coroapi.cede_notself = api_cede_notself;
1851	coroapi.ready = api_ready;
1852	coroapi.is_ready = api_is_ready;
1853	coroapi.nready = &coro_nready;
1854	coroapi.current = coro_current;
1855
1856	GCoroAPI = &coroapi;
1857	sv_setiv (sv, (IV)&coroapi);
1858	SvREADONLY_on (sv);
1859	}
1860	}
1861
1862	void
1863	_set_current (SV *current)
1864	PROTOTYPE: $
1865	CODE:
1866	SvREFCNT_dec (SvRV (coro_current));
1867	SvRV_set (coro_current, SvREFCNT_inc (SvRV (current)));
1868
1869	int
1870	prio (Coro::State coro, int newprio = 0)
1871	ALIAS:
1872	nice = 1
1873	CODE:
1874	{
1875	RETVAL = coro->prio;
1876
1877	if (items > 1)
1878	{
1879	if (ix)
1880	newprio = coro->prio - newprio;
1881
1882	if (newprio < PRIO_MIN) newprio = PRIO_MIN;
1883	if (newprio > PRIO_MAX) newprio = PRIO_MAX;
1884
1885	coro->prio = newprio;
1886	}
1887	}
1888	OUTPUT:
1889	RETVAL
1890
1891	SV *
1892	ready (SV *self)
1893	PROTOTYPE: $
1894	CODE:
1895	RETVAL = boolSV (api_ready (self));
1896	OUTPUT:
1897	RETVAL
1898
1899	int
1900	nready (...)
1901	PROTOTYPE:
1902	CODE:
1903	RETVAL = coro_nready;
1904	OUTPUT:
1905	RETVAL
1906
1907	void
1908	throw (Coro::State self, SV *throw = &PL_sv_undef)
1909	PROTOTYPE: $;$
1910	CODE:
1911	SvREFCNT_dec (self->throw);
1912	self->throw = SvOK (throw) ? newSVsv (throw) : 0;
1913
1914	void	2105	void
1915	swap_defsv (Coro::State self)	2106	swap_defsv (Coro::State self)
1916	PROTOTYPE: $	2107	PROTOTYPE: $
1917	ALIAS:	2108	ALIAS:
1918	swap_defav = 1	2109	swap_defav = 1
…		…
1925	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;	2116	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;
1926		2117
1927	SV tmp = src; src = dst; *dst = tmp;	2118	SV tmp = src; src = dst; *dst = tmp;
1928	}	2119	}
1929		2120
		2121	MODULE = Coro::State PACKAGE = Coro
		2122
		2123	BOOT:
		2124	{
		2125	int i;
		2126
		2127	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
		2128	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
		2129	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
		2130
		2131	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);
		2132	SvREADONLY_on (coro_current);
		2133
		2134	coro_stash = gv_stashpv ("Coro", TRUE);
		2135
		2136	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
		2137	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
		2138	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
		2139	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
		2140	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));
		2141	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));
		2142
		2143	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
		2144	coro_ready[i] = newAV ();
		2145
		2146	{
		2147	SV *sv = perl_get_sv ("Coro::API", TRUE);
		2148	perl_get_sv ("Coro::API", TRUE); /* silence 5.10 warning */
		2149
		2150	coroapi.schedule = api_schedule;
		2151	coroapi.cede = api_cede;
		2152	coroapi.cede_notself = api_cede_notself;
		2153	coroapi.ready = api_ready;
		2154	coroapi.is_ready = api_is_ready;
		2155	coroapi.nready = &coro_nready;
		2156	coroapi.current = coro_current;
		2157
		2158	GCoroAPI = &coroapi;
		2159	sv_setiv (sv, (IV)&coroapi);
		2160	SvREADONLY_on (sv);
		2161	}
		2162	}
		2163
		2164	void
		2165	_set_current (SV *current)
		2166	PROTOTYPE: $
		2167	CODE:
		2168	SvREFCNT_dec (SvRV (coro_current));
		2169	SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));
		2170
		2171	void
		2172	_set_readyhook (SV *hook)
		2173	PROTOTYPE: $
		2174	CODE:
		2175	LOCK;
		2176	SvREFCNT_dec (coro_readyhook);
		2177	coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;
		2178	UNLOCK;
		2179
		2180	int
		2181	prio (Coro::State coro, int newprio = 0)
		2182	ALIAS:
		2183	nice = 1
		2184	CODE:
		2185	{
		2186	RETVAL = coro->prio;
		2187
		2188	if (items > 1)
		2189	{
		2190	if (ix)
		2191	newprio = coro->prio - newprio;
		2192
		2193	if (newprio < PRIO_MIN) newprio = PRIO_MIN;
		2194	if (newprio > PRIO_MAX) newprio = PRIO_MAX;
		2195
		2196	coro->prio = newprio;
		2197	}
		2198	}
		2199	OUTPUT:
		2200	RETVAL
		2201
		2202	SV *
		2203	ready (SV *self)
		2204	PROTOTYPE: $
		2205	CODE:
		2206	RETVAL = boolSV (api_ready (self));
		2207	OUTPUT:
		2208	RETVAL
		2209
		2210	int
		2211	nready (...)
		2212	PROTOTYPE:
		2213	CODE:
		2214	RETVAL = coro_nready;
		2215	OUTPUT:
		2216	RETVAL
		2217
1930	# for async_pool speedup	2218	# for async_pool speedup
1931	void	2219	void
1932	_pool_1 (SV *cb)	2220	_pool_1 (SV *cb)
1933	CODE:	2221	CODE:
1934	{	2222	{
…		…
1939	AV *invoke_av;	2227	AV *invoke_av;
1940	int i, len;	2228	int i, len;
1941		2229
1942	if (!invoke)	2230	if (!invoke)
1943	{	2231	{
1944	SvREFCNT_dec (PL_diehook); PL_diehook = 0;	2232	SV *old = PL_diehook;
		2233	PL_diehook = 0;
		2234	SvREFCNT_dec (old);
1945	croak ("\3async_pool terminate\2\n");	2235	croak ("\3async_pool terminate\2\n");
1946	}	2236	}
1947		2237
1948	SvREFCNT_dec (coro->saved_deffh);	2238	SvREFCNT_dec (coro->saved_deffh);
1949	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);	2239	coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv);
1950		2240
1951	hv_store (hv, "desc", sizeof ("desc") - 1,	2241	hv_store (hv, "desc", sizeof ("desc") - 1,
1952	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);	2242	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
1953		2243
1954	invoke_av = (AV *)SvRV (invoke);	2244	invoke_av = (AV *)SvRV (invoke);
…		…
1958		2248
1959	if (len > 0)	2249	if (len > 0)
1960	{	2250	{
1961	av_fill (defav, len - 1);	2251	av_fill (defav, len - 1);
1962	for (i = 0; i < len; ++i)	2252	for (i = 0; i < len; ++i)
1963	av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1]));	2253	av_store (defav, i, SvREFCNT_inc_NN (AvARRAY (invoke_av)[i + 1]));
1964	}	2254	}
1965		2255
1966	SvREFCNT_dec (invoke);	2256	SvREFCNT_dec (invoke);
1967	}	2257	}
1968		2258
…		…
1975	sv_setsv (cb, &PL_sv_undef);	2265	sv_setsv (cb, &PL_sv_undef);
1976		2266
1977	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;	2267	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;
1978	coro->saved_deffh = 0;	2268	coro->saved_deffh = 0;
1979		2269
1980	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)	2270	if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss)
1981	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))	2271	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
1982	{	2272	{
1983	SvREFCNT_dec (PL_diehook); PL_diehook = 0;	2273	SV *old = PL_diehook;
		2274	PL_diehook = 0;
		2275	SvREFCNT_dec (old);
1984	croak ("\3async_pool terminate\2\n");	2276	croak ("\3async_pool terminate\2\n");
1985	}	2277	}
1986		2278
1987	av_clear (GvAV (PL_defgv));	2279	av_clear (GvAV (PL_defgv));
1988	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,	2280	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
…		…
1994	api_trace (coro_current, 0);	2286	api_trace (coro_current, 0);
1995		2287
1996	av_push (av_async_pool, newSVsv (coro_current));	2288	av_push (av_async_pool, newSVsv (coro_current));
1997	}	2289	}
1998		2290
		2291	#if 0
		2292
		2293	void
		2294	_generator_call (...)
		2295	PROTOTYPE: @
		2296	PPCODE:
		2297	fprintf (stderr, "call %p\n", CvXSUBANY(cv).any_ptr);
		2298	xxxx
		2299	abort ();
		2300
		2301	SV *
		2302	gensub (SV *sub, ...)
		2303	PROTOTYPE: &;@
		2304	CODE:
		2305	{
		2306	struct coro *coro;
		2307	MAGIC *mg;
		2308	CV *xcv;
		2309	CV ncv = (CV )newSV_type (SVt_PVCV);
		2310	int i;
		2311
		2312	CvGV (ncv) = CvGV (cv);
		2313	CvFILE (ncv) = CvFILE (cv);
		2314
		2315	Newz (0, coro, 1, struct coro);
		2316	coro->args = newAV ();
		2317	coro->flags = CF_NEW;
		2318
		2319	av_extend (coro->args, items - 1);
		2320	for (i = 1; i < items; i++)
		2321	av_push (coro->args, newSVsv (ST (i)));
		2322
		2323	CvISXSUB_on (ncv);
		2324	CvXSUBANY (ncv).any_ptr = (void *)coro;
		2325
		2326	xcv = GvCV (gv_fetchpv ("Coro::_generator_call", 0, SVt_PVCV));
		2327
		2328	CvXSUB (ncv) = CvXSUB (xcv);
		2329	CvANON_on (ncv);
		2330
		2331	mg = sv_magicext ((SV )ncv, 0, CORO_MAGIC_type_state, &coro_gensub_vtbl, (char )coro, 0);
		2332	RETVAL = newRV_noinc ((SV *)ncv);
		2333	}
		2334	OUTPUT:
		2335	RETVAL
		2336
		2337	#endif
		2338
1999		2339
2000	MODULE = Coro::State PACKAGE = Coro::AIO	2340	MODULE = Coro::State PACKAGE = Coro::AIO
2001		2341
2002	SV *	2342	void
2003	_get_state ()	2343	_get_state (SV *self)
2004	CODE:	2344	PPCODE:
2005	{	2345	{
2006	struct io_state *data;	2346	AV *defav = GvAV (PL_defgv);
2007		2347	AV *av = newAV ();
		2348	int i;
2008	RETVAL = newSV (sizeof (struct io_state));	2349	SV *data_sv = newSV (sizeof (struct io_state));
2009	data = (struct io_state *)SvPVX (RETVAL);	2350	struct io_state data = (struct io_state )SvPVX (data_sv);
2010	SvCUR_set (RETVAL, sizeof (struct io_state));	2351	SvCUR_set (data_sv, sizeof (struct io_state));
2011	SvPOK_only (RETVAL);	2352	SvPOK_only (data_sv);
2012		2353
2013	data->errorno = errno;	2354	data->errorno = errno;
2014	data->laststype = PL_laststype;	2355	data->laststype = PL_laststype;
2015	data->laststatval = PL_laststatval;	2356	data->laststatval = PL_laststatval;
2016	data->statcache = PL_statcache;	2357	data->statcache = PL_statcache;
		2358
		2359	av_extend (av, AvFILLp (defav) + 1 + 1);
		2360
		2361	for (i = 0; i <= AvFILLp (defav); ++i)
		2362	av_push (av, SvREFCNT_inc_NN (AvARRAY (defav)[i]));
		2363
		2364	av_push (av, data_sv);
		2365
		2366	XPUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		2367
		2368	api_ready (self);
2017	}	2369	}
2018	OUTPUT:
2019	RETVAL
2020		2370
2021	void	2371	void
2022	_set_state (char *data_)	2372	_set_state (SV *state)
2023	PROTOTYPE: $	2373	PROTOTYPE: $
2024	CODE:	2374	PPCODE:
2025	{	2375	{
2026	struct io_state data = (void )data_;	2376	AV av = (AV )SvRV (state);
		2377	struct io_state data = (struct io_state )SvPVX (AvARRAY (av)[AvFILLp (av)]);
		2378	int i;
2027		2379
2028	errno = data->errorno;	2380	errno = data->errorno;
2029	PL_laststype = data->laststype;	2381	PL_laststype = data->laststype;
2030	PL_laststatval = data->laststatval;	2382	PL_laststatval = data->laststatval;
2031	PL_statcache = data->statcache;	2383	PL_statcache = data->statcache;
2032	}
2033		2384
		2385	EXTEND (SP, AvFILLp (av));
		2386	for (i = 0; i < AvFILLp (av); ++i)
		2387	PUSHs (sv_2mortal (SvREFCNT_inc_NN (AvARRAY (av)[i])));
		2388	}
		2389
		2390
		2391	MODULE = Coro::State PACKAGE = Coro::AnyEvent
		2392
		2393	BOOT:
		2394	sv_activity = coro_get_sv (aTHX_ "Coro::AnyEvent::ACTIVITY", TRUE);
		2395
		2396	SV *
		2397	_schedule (...)
		2398	PROTOTYPE: @
		2399	CODE:
		2400	{
		2401	static int incede;
		2402
		2403	api_cede_notself ();
		2404
		2405	++incede;
		2406	while (coro_nready >= incede && api_cede ())
		2407	;
		2408
		2409	sv_setsv (sv_activity, &PL_sv_undef);
		2410	if (coro_nready >= incede)
		2411	{
		2412	PUSHMARK (SP);
		2413	PUTBACK;
		2414	call_pv ("Coro::AnyEvent::_activity", G_DISCARD \| G_EVAL);
		2415	SPAGAIN;
		2416	}
		2417
		2418	--incede;
		2419	}
		2420
		2421
		2422	MODULE = Coro::State PACKAGE = PerlIO::cede
		2423
		2424	BOOT:
		2425	PerlIO_define_layer (aTHX_ &PerlIO_cede);

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Comparing Coro/Coro/State.xs (file contents): Revision 1.228 by root, Sun Apr 6 17:51:15 2008 UTC vs. Revision 1.262 by root, Mon Nov 10 20:38:19 2008 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.228 by root, Sun Apr 6 17:51:15 2008 UTC vs.
Revision 1.262 by root, Mon Nov 10 20:38:19 2008 UTC