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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.219 by root, Tue Dec 4 19:33:45 2007 UTC vs.
Revision 1.247 by root, Wed Sep 24 21:31:29 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
…		…
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	/* 5.8.8 */
		87	#ifndef GV_NOTQUAL
		88	# define GV_NOTQUAL 0
		89	#endif
		90	#ifndef newSV
		91	# define newSV(l) NEWSV(0,l)
		92	#endif
		93
		94	/* 5.11 */
		95	#ifndef CxHASARGS
		96	# define CxHASARGS(cx) (cx)->blk_sub.hasargs
		97	#endif
		98
77	/* 5.8.7 */	99	/* 5.8.7 */
78	#ifndef SvRV_set	100	#ifndef SvRV_set
79	# define SvRV_set(s,v) SvRV(s) = (v)	101	# define SvRV_set(s,v) SvRV(s) = (v)
80	#endif
81
82	/* 5.8.8 */
83	#ifndef GV_NOTQUAL
84	# define GV_NOTQUAL 0
85	#endif
86	#ifndef newSV
87	# define newSV(l) NEWSV(0,l)
88	#endif	102	#endif
89		103
90	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64	104	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64
91	# undef CORO_STACKGUARD	105	# undef CORO_STACKGUARD
92	#endif	106	#endif
…		…
140	I32 laststype;	154	I32 laststype;
141	int laststatval;	155	int laststatval;
142	Stat_t statcache;	156	Stat_t statcache;
143	};	157	};
144		158
		159	static double (nvtime)(); / so why doesn't it take void? */
		160
145	static size_t coro_stacksize = CORO_STACKSIZE;	161	static size_t coro_stacksize = CORO_STACKSIZE;
146	static struct CoroAPI coroapi;	162	static struct CoroAPI coroapi;
147	static AV main_mainstack; / used to differentiate between $main and others */	163	static AV main_mainstack; / used to differentiate between $main and others */
148	static JMPENV *main_top_env;	164	static JMPENV *main_top_env;
149	static HV coro_state_stash, coro_stash;	165	static HV coro_state_stash, coro_stash;
…		…
157		173
158	/* async_pool helper stuff */	174	/* async_pool helper stuff */
159	static SV *sv_pool_rss;	175	static SV *sv_pool_rss;
160	static SV *sv_pool_size;	176	static SV *sv_pool_size;
161	static AV *av_async_pool;	177	static AV *av_async_pool;
		178
		179	/* Coro::AnyEvent */
		180	static SV *sv_activity;
162		181
163	static struct coro_cctx *cctx_first;	182	static struct coro_cctx *cctx_first;
164	static int cctx_count, cctx_idle;	183	static int cctx_count, cctx_idle;
165		184
166	enum {	185	enum {
…		…
252	#define PRIO_IDLE -3	271	#define PRIO_IDLE -3
253	#define PRIO_MIN -4	272	#define PRIO_MIN -4
254		273
255	/* for Coro.pm */	274	/* for Coro.pm */
256	static SV *coro_current;	275	static SV *coro_current;
		276	static SV *coro_readyhook;
257	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];	277	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
258	static int coro_nready;	278	static int coro_nready;
259	static struct coro *coro_first;	279	static struct coro *coro_first;
260		280
261	/ lowlevel stuff ********************************************************/	281	/ lowlevel stuff ********************************************************/
262		282
263	static SV *	283	static SV *
264	coro_get_sv (pTHX_ const char *name, int create)	284	coro_get_sv (pTHX_ const char *name, int create)
265	{	285	{
266	#if PERL_VERSION_ATLEAST (5,9,0)	286	#if PERL_VERSION_ATLEAST (5,10,0)
267	/* silence stupid and wrong 5.10 warning that I am unable to switch off */	287	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
268	get_sv (name, create);	288	get_sv (name, create);
269	#endif	289	#endif
270	return get_sv (name, create);	290	return get_sv (name, create);
271	}	291	}
272		292
273	static AV *	293	static AV *
274	coro_get_av (pTHX_ const char *name, int create)	294	coro_get_av (pTHX_ const char *name, int create)
275	{	295	{
276	#if PERL_VERSION_ATLEAST (5,9,0)	296	#if PERL_VERSION_ATLEAST (5,10,0)
277	/* silence stupid and wrong 5.10 warning that I am unable to switch off */	297	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
278	get_av (name, create);	298	get_av (name, create);
279	#endif	299	#endif
280	return get_av (name, create);	300	return get_av (name, create);
281	}	301	}
282		302
283	static HV *	303	static HV *
284	coro_get_hv (pTHX_ const char *name, int create)	304	coro_get_hv (pTHX_ const char *name, int create)
285	{	305	{
286	#if PERL_VERSION_ATLEAST (5,9,0)	306	#if PERL_VERSION_ATLEAST (5,10,0)
287	/* silence stupid and wrong 5.10 warning that I am unable to switch off */	307	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
288	get_hv (name, create);	308	get_hv (name, create);
289	#endif	309	#endif
290	return get_hv (name, create);	310	return get_hv (name, create);
291	}	311	}
…		…
296	AV *padlist = CvPADLIST (cv);	316	AV *padlist = CvPADLIST (cv);
297	AV newpadlist, newpad;	317	AV newpadlist, newpad;
298		318
299	newpadlist = newAV ();	319	newpadlist = newAV ();
300	AvREAL_off (newpadlist);	320	AvREAL_off (newpadlist);
301	#if PERL_VERSION_ATLEAST (5,9,0)	321	#if PERL_VERSION_ATLEAST (5,10,0)
302	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);	322	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);
303	#else	323	#else
304	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);	324	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
305	#endif	325	#endif
306	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];	326	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
…		…
344		364
345	/* casting is fun. */	365	/* casting is fun. */
346	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))	366	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
347	free_padlist (aTHX_ padlist);	367	free_padlist (aTHX_ padlist);
348		368
		369	SvREFCNT_dec (av); /* sv_magicext increased the refcount */
		370
349	return 0;	371	return 0;
350	}	372	}
351		373
352	#define CORO_MAGIC_type_cv PERL_MAGIC_ext	374	#define CORO_MAGIC_type_cv PERL_MAGIC_ext
353	#define CORO_MAGIC_type_state PERL_MAGIC_ext	375	#define CORO_MAGIC_type_state PERL_MAGIC_ext
…		…
403	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))	425	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))
404	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];	426	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
405	else	427	else
406	{	428	{
407	#if CORO_PREFER_PERL_FUNCTIONS	429	#if CORO_PREFER_PERL_FUNCTIONS
408	/* this is probably cleaner, but also slower? */	430	/* this is probably cleaner? but also slower! */
		431	/* in practise, it seems to be less stable */
409	CV *cp = Perl_cv_clone (cv);	432	CV *cp = Perl_cv_clone (cv);
410	CvPADLIST (cv) = CvPADLIST (cp);	433	CvPADLIST (cv) = CvPADLIST (cp);
411	CvPADLIST (cp) = 0;	434	CvPADLIST (cp) = 0;
412	SvREFCNT_dec (cp);	435	SvREFCNT_dec (cp);
413	#else	436	#else
…		…
497		520
498	if (expect_true (CvDEPTH (cv)))	521	if (expect_true (CvDEPTH (cv)))
499	{	522	{
500	EXTEND (SP, 3);	523	EXTEND (SP, 3);
501	PUSHs ((SV *)CvPADLIST (cv));	524	PUSHs ((SV *)CvPADLIST (cv));
502	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));	525	PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv)));
503	PUSHs ((SV *)cv);	526	PUSHs ((SV *)cv);
504		527
505	CvDEPTH (cv) = 0;	528	CvDEPTH (cv) = 0;
506	get_padlist (aTHX_ cv);	529	get_padlist (aTHX_ cv);
507	}	530	}
…		…
587		610
588	New(54,PL_savestack,24,ANY);	611	New(54,PL_savestack,24,ANY);
589	PL_savestack_ix = 0;	612	PL_savestack_ix = 0;
590	PL_savestack_max = 24;	613	PL_savestack_max = 24;
591		614
592	#if !PERL_VERSION_ATLEAST (5,9,0)	615	#if !PERL_VERSION_ATLEAST (5,10,0)
593	New(54,PL_retstack,4,OP*);	616	New(54,PL_retstack,4,OP*);
594	PL_retstack_ix = 0;	617	PL_retstack_ix = 0;
595	PL_retstack_max = 4;	618	PL_retstack_max = 4;
596	#endif	619	#endif
597	}	620	}
…		…
620		643
621	Safefree (PL_tmps_stack);	644	Safefree (PL_tmps_stack);
622	Safefree (PL_markstack);	645	Safefree (PL_markstack);
623	Safefree (PL_scopestack);	646	Safefree (PL_scopestack);
624	Safefree (PL_savestack);	647	Safefree (PL_savestack);
625	#if !PERL_VERSION_ATLEAST (5,9,0)	648	#if !PERL_VERSION_ATLEAST (5,10,0)
626	Safefree (PL_retstack);	649	Safefree (PL_retstack);
627	#endif	650	#endif
628	}	651	}
629		652
630	static size_t	653	static size_t
…		…
646	#undef VAR	669	#undef VAR
647	}	670	}
648	else	671	else
649	slot = coro->slot;	672	slot = coro->slot;
650		673
		674	if (slot)
		675	{
651	rss += sizeof (slot->curstackinfo);	676	rss += sizeof (slot->curstackinfo);
652	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);	677	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
653	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);	678	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);
654	rss += slot->tmps_max * sizeof (SV *);	679	rss += slot->tmps_max * sizeof (SV *);
655	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);	680	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
656	rss += slot->scopestack_max * sizeof (I32);	681	rss += slot->scopestack_max * sizeof (I32);
657	rss += slot->savestack_max * sizeof (ANY);	682	rss += slot->savestack_max * sizeof (ANY);
658		683
659	#if !PERL_VERSION_ATLEAST (5,9,0)	684	#if !PERL_VERSION_ATLEAST (5,10,0)
660	rss += slot->retstack_max * sizeof (OP *);	685	rss += slot->retstack_max * sizeof (OP *);
661	#endif	686	#endif
		687	}
662	}	688	}
663		689
664	return rss;	690	return rss;
665	}	691	}
666		692
667	/ coroutine stack handling **********************************************/	693	/ coroutine stack handling **********************************************/
668		694
669	#if 0
670	static int (orig_sigelem_get) (pTHX_ SV sv, MAGIC *mg);	695	static int (orig_sigelem_get) (pTHX_ SV sv, MAGIC *mg);
		696	static int (orig_sigelem_set) (pTHX_ SV sv, MAGIC *mg);
		697	static int (orig_sigelem_clr) (pTHX_ SV sv, MAGIC *mg);
		698
		699	/* apparently < 5.8.8 */
		700	#ifndef MgPV_nolen_const
		701	#define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \
		702	SvPV_nolen((SV*)((mg)->mg_ptr)) : \
		703	(const char*)(mg)->mg_ptr)
		704	#endif
671		705
672	/*	706	/*
673	* This overrides the default magic get method of %SIG elements.	707	* This overrides the default magic get method of %SIG elements.
674	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook	708	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook
675	* and instead of tryign to save and restore the hash elements, we just provide	709	* and instead of tryign to save and restore the hash elements, we just provide
…		…
679	* when a schedule happens then, but we ignore this.	713	* when a schedule happens then, but we ignore this.
680	*/	714	*/
681	static int	715	static int
682	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)	716	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)
683	{	717	{
684	return orig_sigelem_get (aTHX_ sv, mg);
685	const char *s = MgPV_nolen_const (mg);	718	const char *s = MgPV_nolen_const (mg);
686		719
687	if (*s == '_')	720	if (*s == '_')
688	{	721	{
689	if (strEQ (s, "__DIE__" ) && PL_diehook ) return sv_setsv (sv, PL_diehook ), 0;	722	SV **svp = 0;
690	if (strEQ (s, "__WARN__") && PL_warnhook) return sv_setsv (sv, PL_warnhook), 0;	723
		724	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		725	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		726
		727	if (svp)
		728	{
		729	sv_setsv (sv, svp ? svp : &PL_sv_undef);
		730	return 0;
		731	}
		732	}
		733
		734	return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0;
		735	}
		736
		737	static int
		738	coro_sigelem_clr (pTHX_ SV sv, MAGIC mg)
		739	{
		740	const char *s = MgPV_nolen_const (mg);
		741
		742	if (*s == '_')
691	}	743	{
		744	SV **svp = 0;
692		745
		746	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		747	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		748
		749	if (svp)
		750	{
		751	SV old = svp;
		752	*svp = 0;
		753	SvREFCNT_dec (old);
		754	return 0;
		755	}
		756	}
		757
		758	return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0;
		759	}
		760
		761	static int
		762	coro_sigelem_set (pTHX_ SV sv, MAGIC mg)
		763	{
		764	const char *s = MgPV_nolen_const (mg);
		765
		766	if (*s == '_')
		767	{
		768	SV **svp = 0;
		769
		770	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		771	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		772
		773	if (svp)
		774	{
		775	SV old = svp;
		776	*svp = newSVsv (sv);
		777	SvREFCNT_dec (old);
		778	return 0;
		779	}
		780	}
		781
693	return orig_sigelem_get (aTHX_ sv, mg);	782	return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0;
694	}	783	}
695	#endif
696		784
697	static void	785	static void
698	coro_setup (pTHX_ struct coro *coro)	786	coro_setup (pTHX_ struct coro *coro)
699	{	787	{
700	/*	788	/*
…		…
709	PL_curpm = 0;	797	PL_curpm = 0;
710	PL_curpad = 0;	798	PL_curpad = 0;
711	PL_localizing = 0;	799	PL_localizing = 0;
712	PL_dirty = 0;	800	PL_dirty = 0;
713	PL_restartop = 0;	801	PL_restartop = 0;
		802	#if PERL_VERSION_ATLEAST (5,10,0)
		803	PL_parser = 0;
		804	#endif
714		805
715	/* recreate the die/warn hooks */	806	/* recreate the die/warn hooks */
716	PL_diehook = 0;	807	PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook );
717	hv_store (hv_sig, "__DIE__", sizeof ("__DIE__") - 1, newSV (0), 0);	808	PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook);
718	PL_diehook = SvREFCNT_inc (rv_diehook);
719
720	PL_warnhook = 0;
721	hv_store (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, newSV (0), 0);
722	PL_warnhook = SvREFCNT_inc (rv_warnhook);
723		809
724	GvSV (PL_defgv) = newSV (0);	810	GvSV (PL_defgv) = newSV (0);
725	GvAV (PL_defgv) = coro->args; coro->args = 0;	811	GvAV (PL_defgv) = coro->args; coro->args = 0;
726	GvSV (PL_errgv) = newSV (0);	812	GvSV (PL_errgv) = newSV (0);
727	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);	813	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
…		…
878	SAVETMPS;	964	SAVETMPS;
879	EXTEND (SP, 3);	965	EXTEND (SP, 3);
880	PUSHMARK (SP);	966	PUSHMARK (SP);
881	PUSHs (&PL_sv_yes);	967	PUSHs (&PL_sv_yes);
882	PUSHs (fullname);	968	PUSHs (fullname);
883	PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);	969	PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
884	PUTBACK;	970	PUTBACK;
885	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);	971	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
886	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	972	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
887	SPAGAIN;	973	SPAGAIN;
888	FREETMPS;	974	FREETMPS;
…		…
1104	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");	1190	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
1105		1191
1106	if (expect_false (next->flags & CF_DESTROYED))	1192	if (expect_false (next->flags & CF_DESTROYED))
1107	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");	1193	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
1108		1194
1109	if (
1110	#if PERL_VERSION_ATLEAST (5,9,0)	1195	#if !PERL_VERSION_ATLEAST (5,10,0)
1111	expect_false (PL_parser)
1112	#else
1113	expect_false (PL_lex_state != LEX_NOTPARSING)	1196	if (expect_false (PL_lex_state != LEX_NOTPARSING))
1114	#endif
1115	)
1116	croak ("Coro::State::transfer called while parsing, but this is not supported");	1197	croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version");
		1198	#endif
1117	}	1199	}
1118	}	1200	}
1119		1201
1120	/* always use the TRANSFER macro */	1202	/* always use the TRANSFER macro */
1121	static void NOINLINE	1203	static void NOINLINE
1122	transfer (pTHX_ struct coro prev, struct coro next)	1204	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)
1123	{	1205	{
1124	dSTACKLEVEL;	1206	dSTACKLEVEL;
1125	static volatile int has_throw;	1207	static volatile int has_throw;
1126		1208
1127	/* sometimes transfer is only called to set idle_sp */	1209	/* sometimes transfer is only called to set idle_sp */
…		…
1161	load_perl (aTHX_ next);	1243	load_perl (aTHX_ next);
1162		1244
1163	prev__cctx = prev->cctx;	1245	prev__cctx = prev->cctx;
1164		1246
1165	/* possibly "free" the cctx */	1247	/* possibly "free" the cctx */
1166	if (expect_true (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE)))	1248	if (expect_true (
		1249	prev__cctx->idle_sp == STACKLEVEL
		1250	&& !(prev__cctx->flags & CC_TRACE)
		1251	&& !force_cctx
		1252	))
1167	{	1253	{
1168	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */	1254	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */
1169	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));	1255	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
1170		1256
1171	prev->cctx = 0;	1257	prev->cctx = 0;
…		…
1214	struct transfer_args	1300	struct transfer_args
1215	{	1301	{
1216	struct coro prev, next;	1302	struct coro prev, next;
1217	};	1303	};
1218		1304
1219	#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)	1305	#define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx))
1220	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)	1306	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
1221		1307
1222	/ high level stuff ******************************************************/	1308	/ high level stuff ******************************************************/
1223		1309
1224	static int	1310	static int
…		…
1318	{	1404	{
1319	dTHX;	1405	dTHX;
1320	struct transfer_args ta;	1406	struct transfer_args ta;
1321		1407
1322	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);	1408	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1323	TRANSFER (ta);	1409	TRANSFER (ta, 1);
1324	}	1410	}
1325		1411
1326	/ Coro ******************************************************************/	1412	/ Coro ******************************************************************/
1327		1413
1328	static void	1414	static void
…		…
1346	static int	1432	static int
1347	api_ready (SV *coro_sv)	1433	api_ready (SV *coro_sv)
1348	{	1434	{
1349	dTHX;	1435	dTHX;
1350	struct coro *coro;	1436	struct coro *coro;
		1437	SV *sv_hook;
		1438	void (*xs_hook)(void);
1351		1439
1352	if (SvROK (coro_sv))	1440	if (SvROK (coro_sv))
1353	coro_sv = SvRV (coro_sv);	1441	coro_sv = SvRV (coro_sv);
1354		1442
1355	coro = SvSTATE (coro_sv);	1443	coro = SvSTATE (coro_sv);
…		…
1358	return 0;	1446	return 0;
1359		1447
1360	coro->flags \|= CF_READY;	1448	coro->flags \|= CF_READY;
1361		1449
1362	LOCK;	1450	LOCK;
		1451
		1452	sv_hook = coro_nready ? 0 : coro_readyhook;
		1453	xs_hook = coro_nready ? 0 : coroapi.readyhook;
		1454
1363	coro_enq (aTHX_ SvREFCNT_inc (coro_sv));	1455	coro_enq (aTHX_ SvREFCNT_inc (coro_sv));
1364	++coro_nready;	1456	++coro_nready;
		1457
1365	UNLOCK;	1458	UNLOCK;
		1459
		1460	if (sv_hook)
		1461	{
		1462	dSP;
		1463
		1464	ENTER;
		1465	SAVETMPS;
		1466
		1467	PUSHMARK (SP);
		1468	PUTBACK;
		1469	call_sv (sv_hook, G_DISCARD);
		1470	SPAGAIN;
		1471
		1472	FREETMPS;
		1473	LEAVE;
		1474	}
		1475
		1476	if (xs_hook)
		1477	xs_hook ();
1366		1478
1367	return 1;	1479	return 1;
1368	}	1480	}
1369		1481
1370	static int	1482	static int
…		…
1459	{	1571	{
1460	dTHX;	1572	dTHX;
1461	struct transfer_args ta;	1573	struct transfer_args ta;
1462		1574
1463	prepare_schedule (aTHX_ &ta);	1575	prepare_schedule (aTHX_ &ta);
1464	TRANSFER (ta);	1576	TRANSFER (ta, 1);
1465	}	1577	}
1466		1578
1467	static int	1579	static int
1468	api_cede (void)	1580	api_cede (void)
1469	{	1581	{
…		…
1472		1584
1473	prepare_cede (aTHX_ &ta);	1585	prepare_cede (aTHX_ &ta);
1474		1586
1475	if (expect_true (ta.prev != ta.next))	1587	if (expect_true (ta.prev != ta.next))
1476	{	1588	{
1477	TRANSFER (ta);	1589	TRANSFER (ta, 1);
1478	return 1;	1590	return 1;
1479	}	1591	}
1480	else	1592	else
1481	return 0;	1593	return 0;
1482	}	1594	}
…		…
1487	dTHX;	1599	dTHX;
1488	struct transfer_args ta;	1600	struct transfer_args ta;
1489		1601
1490	if (prepare_cede_notself (aTHX_ &ta))	1602	if (prepare_cede_notself (aTHX_ &ta))
1491	{	1603	{
1492	TRANSFER (ta);	1604	TRANSFER (ta, 1);
1493	return 1;	1605	return 1;
1494	}	1606	}
1495	else	1607	else
1496	return 0;	1608	return 0;
1497	}	1609	}
…		…
1520	else	1632	else
1521	coro->slot->runops = RUNOPS_DEFAULT;	1633	coro->slot->runops = RUNOPS_DEFAULT;
1522	}	1634	}
1523	}	1635	}
1524		1636
		1637	static int
		1638	coro_gensub_free (pTHX_ SV sv, MAGIC mg)
		1639	{
		1640	AV *padlist;
		1641	AV av = (AV )mg->mg_obj;
		1642
		1643	abort ();
		1644
		1645	return 0;
		1646	}
		1647
		1648	static MGVTBL coro_gensub_vtbl = {
		1649	0, 0, 0, 0,
		1650	coro_gensub_free
		1651	};
		1652
		1653	/*****************************************************************************/
		1654	/* PerlIO::cede */
		1655
		1656	typedef struct
		1657	{
		1658	PerlIOBuf base;
		1659	NV next, every;
		1660	} PerlIOCede;
		1661
		1662	static IV
		1663	PerlIOCede_pushed (pTHX_ PerlIO f, const char mode, SV arg, PerlIO_funcs tab)
		1664	{
		1665	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1666
		1667	self->every = SvCUR (arg) ? SvNV (arg) : 0.01;
		1668	self->next = nvtime () + self->every;
		1669
		1670	return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab);
		1671	}
		1672
		1673	static SV *
		1674	PerlIOCede_getarg (pTHX_ PerlIO f, CLONE_PARAMS param, int flags)
		1675	{
		1676	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1677
		1678	return newSVnv (self->every);
		1679	}
		1680
		1681	static IV
		1682	PerlIOCede_flush (pTHX_ PerlIO *f)
		1683	{
		1684	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1685	double now = nvtime ();
		1686
		1687	if (now >= self->next)
		1688	{
		1689	api_cede ();
		1690	self->next = now + self->every;
		1691	}
		1692
		1693	return PerlIOBuf_flush (f);
		1694	}
		1695
		1696	static PerlIO_funcs PerlIO_cede =
		1697	{
		1698	sizeof(PerlIO_funcs),
		1699	"cede",
		1700	sizeof(PerlIOCede),
		1701	PERLIO_K_DESTRUCT \| PERLIO_K_RAW,
		1702	PerlIOCede_pushed,
		1703	PerlIOBuf_popped,
		1704	PerlIOBuf_open,
		1705	PerlIOBase_binmode,
		1706	PerlIOCede_getarg,
		1707	PerlIOBase_fileno,
		1708	PerlIOBuf_dup,
		1709	PerlIOBuf_read,
		1710	PerlIOBuf_unread,
		1711	PerlIOBuf_write,
		1712	PerlIOBuf_seek,
		1713	PerlIOBuf_tell,
		1714	PerlIOBuf_close,
		1715	PerlIOCede_flush,
		1716	PerlIOBuf_fill,
		1717	PerlIOBase_eof,
		1718	PerlIOBase_error,
		1719	PerlIOBase_clearerr,
		1720	PerlIOBase_setlinebuf,
		1721	PerlIOBuf_get_base,
		1722	PerlIOBuf_bufsiz,
		1723	PerlIOBuf_get_ptr,
		1724	PerlIOBuf_get_cnt,
		1725	PerlIOBuf_set_ptrcnt,
		1726	};
		1727
		1728
1525	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	1729	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1526		1730
1527	PROTOTYPES: DISABLE	1731	PROTOTYPES: DISABLE
1528		1732
1529	BOOT:	1733	BOOT:
…		…
1533	#endif	1737	#endif
1534	BOOT_PAGESIZE;	1738	BOOT_PAGESIZE;
1535		1739
1536	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);	1740	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
1537	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);	1741	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
1538	#if 0	1742
1539	orig_sigelem_get = PL_vtbl_sigelem.svt_get;	1743	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;
1540	PL_vtbl_sigelem.svt_get = coro_sigelem_get;	1744	orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;
1541	#endif	1745	orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr;
		1746
1542	hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);	1747	hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);
1543	rv_diehook = SvREFCNT_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));	1748	rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));
1544	rv_warnhook = SvREFCNT_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));	1749	rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));
1545		1750
1546	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	1751	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1547		1752
1548	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));	1753	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1549	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));	1754	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
…		…
1554	main_top_env = PL_top_env;	1759	main_top_env = PL_top_env;
1555		1760
1556	while (main_top_env->je_prev)	1761	while (main_top_env->je_prev)
1557	main_top_env = main_top_env->je_prev;	1762	main_top_env = main_top_env->je_prev;
1558		1763
1559	coroapi.ver = CORO_API_VERSION;	1764	coroapi.ver = CORO_API_VERSION;
1560	coroapi.rev = CORO_API_REVISION;	1765	coroapi.rev = CORO_API_REVISION;
1561	coroapi.transfer = api_transfer;	1766	coroapi.transfer = api_transfer;
		1767
		1768	{
		1769	SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0);
		1770
		1771	if (!svp) croak ("Time::HiRes is required");
		1772	if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");
		1773
		1774	nvtime = INT2PTR (double ()(), SvIV (svp));
		1775	}
1562		1776
1563	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	1777	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
1564	}	1778	}
1565		1779
1566	SV *	1780	SV *
…		…
1637	}	1851	}
1638	SPAGAIN;	1852	SPAGAIN;
1639		1853
1640	BARRIER;	1854	BARRIER;
1641	PUTBACK;	1855	PUTBACK;
1642	TRANSFER (ta);	1856	TRANSFER (ta, 0);
1643	SPAGAIN; /* might be the sp of a different coroutine now */	1857	SPAGAIN; /* might be the sp of a different coroutine now */
1644	/* be extra careful not to ever do anything after TRANSFER */	1858	/* be extra careful not to ever do anything after TRANSFER */
1645	}	1859	}
1646		1860
1647	bool	1861	bool
…		…
1650	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));	1864	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));
1651	OUTPUT:	1865	OUTPUT:
1652	RETVAL	1866	RETVAL
1653		1867
1654	void	1868	void
1655	_exit (code)	1869	_exit (int code)
1656	int code
1657	PROTOTYPE: $	1870	PROTOTYPE: $
1658	CODE:	1871	CODE:
1659	_exit (code);	1872	_exit (code);
1660		1873
1661	int	1874	int
…		…
1695	call (Coro::State coro, SV *coderef)	1908	call (Coro::State coro, SV *coderef)
1696	ALIAS:	1909	ALIAS:
1697	eval = 1	1910	eval = 1
1698	CODE:	1911	CODE:
1699	{	1912	{
1700	if (coro->mainstack)	1913	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))
1701	{	1914	{
1702	struct coro temp;	1915	struct coro temp;
1703		1916
1704	if (!(coro->flags & CF_RUNNING))	1917	if (!(coro->flags & CF_RUNNING))
1705	{	1918	{
…		…
1752		1965
1753	void	1966	void
1754	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)	1967	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)
1755		1968
1756	SV *	1969	SV *
1757	has_stack (Coro::State coro)	1970	has_cctx (Coro::State coro)
1758	PROTOTYPE: $	1971	PROTOTYPE: $
1759	CODE:	1972	CODE:
1760	RETVAL = boolSV (!!coro->cctx);	1973	RETVAL = boolSV (!!coro->cctx);
1761	OUTPUT:	1974	OUTPUT:
1762	RETVAL	1975	RETVAL
…		…
1781	case 1: RETVAL = coro->usecount; break;	1994	case 1: RETVAL = coro->usecount; break;
1782	}	1995	}
1783	OUTPUT:	1996	OUTPUT:
1784	RETVAL	1997	RETVAL
1785		1998
		1999	void
		2000	force_cctx ()
		2001	CODE:
		2002	struct coro *coro = SvSTATE (coro_current);
		2003	coro->cctx->idle_sp = 0;
		2004
		2005	void
		2006	throw (Coro::State self, SV *throw = &PL_sv_undef)
		2007	PROTOTYPE: $;$
		2008	CODE:
		2009	SvREFCNT_dec (self->throw);
		2010	self->throw = SvOK (throw) ? newSVsv (throw) : 0;
		2011
		2012	void
		2013	swap_defsv (Coro::State self)
		2014	PROTOTYPE: $
		2015	ALIAS:
		2016	swap_defav = 1
		2017	CODE:
		2018	if (!self->slot)
		2019	croak ("cannot swap state with coroutine that has no saved state");
		2020	else
		2021	{
		2022	SV src = ix ? (SV )&GvAV (PL_defgv) : &GvSV (PL_defgv);
		2023	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;
		2024
		2025	SV tmp = src; src = dst; *dst = tmp;
		2026	}
1786		2027
1787	MODULE = Coro::State PACKAGE = Coro	2028	MODULE = Coro::State PACKAGE = Coro
1788		2029
1789	BOOT:	2030	BOOT:
1790	{	2031	{
1791	int i;	2032	int i;
1792		2033
		2034	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
1793	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);	2035	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
1794	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);	2036	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
1795	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
1796		2037
1797	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);	2038	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);
1798	SvREADONLY_on (coro_current);	2039	SvREADONLY_on (coro_current);
1799		2040
1800	coro_stash = gv_stashpv ("Coro", TRUE);	2041	coro_stash = gv_stashpv ("Coro", TRUE);
…		…
1832	PROTOTYPE: $	2073	PROTOTYPE: $
1833	CODE:	2074	CODE:
1834	SvREFCNT_dec (SvRV (coro_current));	2075	SvREFCNT_dec (SvRV (coro_current));
1835	SvRV_set (coro_current, SvREFCNT_inc (SvRV (current)));	2076	SvRV_set (coro_current, SvREFCNT_inc (SvRV (current)));
1836		2077
		2078	void
		2079	_set_readyhook (SV *hook)
		2080	PROTOTYPE: $
		2081	CODE:
		2082	LOCK;
		2083	SvREFCNT_dec (coro_readyhook);
		2084	coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;
		2085	UNLOCK;
		2086
1837	int	2087	int
1838	prio (Coro::State coro, int newprio = 0)	2088	prio (Coro::State coro, int newprio = 0)
1839	ALIAS:	2089	ALIAS:
1840	nice = 1	2090	nice = 1
1841	CODE:	2091	CODE:
…		…
1870	CODE:	2120	CODE:
1871	RETVAL = coro_nready;	2121	RETVAL = coro_nready;
1872	OUTPUT:	2122	OUTPUT:
1873	RETVAL	2123	RETVAL
1874		2124
1875	void
1876	throw (Coro::State self, SV *throw = &PL_sv_undef)
1877	PROTOTYPE: $;$
1878	CODE:
1879	SvREFCNT_dec (self->throw);
1880	self->throw = SvOK (throw) ? newSVsv (throw) : 0;
1881
1882	# for async_pool speedup	2125	# for async_pool speedup
1883	void	2126	void
1884	_pool_1 (SV *cb)	2127	_pool_1 (SV *cb)
1885	CODE:	2128	CODE:
1886	{	2129	{
…		…
1890	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);	2133	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
1891	AV *invoke_av;	2134	AV *invoke_av;
1892	int i, len;	2135	int i, len;
1893		2136
1894	if (!invoke)	2137	if (!invoke)
		2138	{
		2139	SV *old = PL_diehook;
		2140	PL_diehook = 0;
		2141	SvREFCNT_dec (old);
1895	croak ("\3async_pool terminate\2\n");	2142	croak ("\3async_pool terminate\2\n");
		2143	}
1896		2144
1897	SvREFCNT_dec (coro->saved_deffh);	2145	SvREFCNT_dec (coro->saved_deffh);
1898	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);	2146	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);
1899		2147
1900	hv_store (hv, "desc", sizeof ("desc") - 1,	2148	hv_store (hv, "desc", sizeof ("desc") - 1,
…		…
1926	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;	2174	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;
1927	coro->saved_deffh = 0;	2175	coro->saved_deffh = 0;
1928		2176
1929	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)	2177	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1930	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))	2178	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
		2179	{
		2180	SV *old = PL_diehook;
		2181	PL_diehook = 0;
		2182	SvREFCNT_dec (old);
1931	croak ("\3async_pool terminate\2\n");	2183	croak ("\3async_pool terminate\2\n");
		2184	}
1932		2185
1933	av_clear (GvAV (PL_defgv));	2186	av_clear (GvAV (PL_defgv));
1934	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,	2187	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
1935	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);	2188	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
1936		2189
…		…
1939	if (coro->cctx && (coro->cctx->flags & CC_TRACE))	2192	if (coro->cctx && (coro->cctx->flags & CC_TRACE))
1940	api_trace (coro_current, 0);	2193	api_trace (coro_current, 0);
1941		2194
1942	av_push (av_async_pool, newSVsv (coro_current));	2195	av_push (av_async_pool, newSVsv (coro_current));
1943	}	2196	}
		2197
		2198	#if 0
		2199
		2200	void
		2201	_generator_call (...)
		2202	PROTOTYPE: @
		2203	PPCODE:
		2204	fprintf (stderr, "call %p\n", CvXSUBANY(cv).any_ptr);
		2205	xxxx
		2206	abort ();
		2207
		2208	SV *
		2209	gensub (SV *sub, ...)
		2210	PROTOTYPE: &;@
		2211	CODE:
		2212	{
		2213	struct coro *coro;
		2214	MAGIC *mg;
		2215	CV *xcv;
		2216	CV ncv = (CV )newSV_type (SVt_PVCV);
		2217	int i;
		2218
		2219	CvGV (ncv) = CvGV (cv);
		2220	CvFILE (ncv) = CvFILE (cv);
		2221
		2222	Newz (0, coro, 1, struct coro);
		2223	coro->args = newAV ();
		2224	coro->flags = CF_NEW;
		2225
		2226	av_extend (coro->args, items - 1);
		2227	for (i = 1; i < items; i++)
		2228	av_push (coro->args, newSVsv (ST (i)));
		2229
		2230	CvISXSUB_on (ncv);
		2231	CvXSUBANY (ncv).any_ptr = (void *)coro;
		2232
		2233	xcv = GvCV (gv_fetchpv ("Coro::_generator_call", 0, SVt_PVCV));
		2234
		2235	CvXSUB (ncv) = CvXSUB (xcv);
		2236	CvANON_on (ncv);
		2237
		2238	mg = sv_magicext ((SV )ncv, 0, CORO_MAGIC_type_state, &coro_gensub_vtbl, (char )coro, 0);
		2239	RETVAL = newRV_noinc ((SV *)ncv);
		2240	}
		2241	OUTPUT:
		2242	RETVAL
		2243
		2244	#endif
1944		2245
1945		2246
1946	MODULE = Coro::State PACKAGE = Coro::AIO	2247	MODULE = Coro::State PACKAGE = Coro::AIO
1947		2248
1948	SV *	2249	SV *
…		…
1975	PL_laststype = data->laststype;	2276	PL_laststype = data->laststype;
1976	PL_laststatval = data->laststatval;	2277	PL_laststatval = data->laststatval;
1977	PL_statcache = data->statcache;	2278	PL_statcache = data->statcache;
1978	}	2279	}
1979		2280
		2281
		2282	MODULE = Coro::State PACKAGE = Coro::AnyEvent
		2283
		2284	BOOT:
		2285	sv_activity = coro_get_sv (aTHX_ "Coro::AnyEvent::ACTIVITY", TRUE);
		2286
		2287	SV *
		2288	_schedule (...)
		2289	PROTOTYPE: @
		2290	CODE:
		2291	{
		2292	static int incede;
		2293
		2294	api_cede_notself ();
		2295
		2296	++incede;
		2297	while (coro_nready >= incede && api_cede ())
		2298	;
		2299
		2300	sv_setsv (sv_activity, &PL_sv_undef);
		2301	if (coro_nready >= incede)
		2302	{
		2303	PUSHMARK (SP);
		2304	PUTBACK;
		2305	call_pv ("Coro::AnyEvent::_activity", G_DISCARD \| G_EVAL);
		2306	SPAGAIN;
		2307	}
		2308
		2309	--incede;
		2310	}
		2311
		2312
		2313	MODULE = Coro::State PACKAGE = PerlIO::cede
		2314
		2315	BOOT:
		2316	PerlIO_define_layer (aTHX_ &PerlIO_cede);

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Comparing Coro/Coro/State.xs (file contents): Revision 1.219 by root, Tue Dec 4 19:33:45 2007 UTC vs. Revision 1.247 by root, Wed Sep 24 21:31:29 2008 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.219 by root, Tue Dec 4 19:33:45 2007 UTC vs.
Revision 1.247 by root, Wed Sep 24 21:31:29 2008 UTC