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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.200 by root, Sun Oct 7 15:08:23 2007 UTC vs.
Revision 1.246 by root, Wed Sep 24 21:20:05 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
		23	# include <inttypes.h> /* most portable stdint.h */
		24	#endif
15		25
16	#ifdef HAVE_MMAP	26	#ifdef HAVE_MMAP
17	# include <unistd.h>	27	# include <unistd.h>
18	# include <sys/mman.h>	28	# include <sys/mman.h>
19	# ifndef MAP_ANONYMOUS	29	# ifndef MAP_ANONYMOUS
…		…
71	# ifndef IS_PADCONST	81	# ifndef IS_PADCONST
72	# define IS_PADCONST(v) 0	82	# define IS_PADCONST(v) 0
73	# endif	83	# endif
74	#endif	84	#endif
75		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
76	/* 5.8.7 */	99	/* 5.8.7 */
77	#ifndef SvRV_set	100	#ifndef SvRV_set
78	# define SvRV_set(s,v) SvRV(s) = (v)	101	# define SvRV_set(s,v) SvRV(s) = (v)
79	#endif
80
81	/* 5.8.8 */
82	#ifndef GV_NOTQUAL
83	# define GV_NOTQUAL 0
84	#endif
85	#ifndef newSV
86	# define newSV(l) NEWSV(0,l)
87	#endif	102	#endif
88		103
89	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64	104	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64
90	# undef CORO_STACKGUARD	105	# undef CORO_STACKGUARD
91	#endif	106	#endif
…		…
130	#else	145	#else
131	# define LOCK (void)0	146	# define LOCK (void)0
132	# define UNLOCK (void)0	147	# define UNLOCK (void)0
133	#endif	148	#endif
134		149
135	#define strpair(const) const, sizeof (const) - 1
136
137	/* helper storage struct for Coro::AIO */	150	/* helper storage struct for Coro::AIO */
138	struct io_state	151	struct io_state
139	{	152	{
140	int errorno;	153	int errorno;
141	I32 laststype;	154	I32 laststype;
142	int laststatval;	155	int laststatval;
143	Stat_t statcache;	156	Stat_t statcache;
144	};	157	};
145		158
		159	static double (nvtime)(); / so why doesn't it take void? */
		160
146	static size_t coro_stacksize = CORO_STACKSIZE;	161	static size_t coro_stacksize = CORO_STACKSIZE;
147	static struct CoroAPI coroapi;	162	static struct CoroAPI coroapi;
148	static AV main_mainstack; / used to differentiate between $main and others */	163	static AV main_mainstack; / used to differentiate between $main and others */
149	static JMPENV *main_top_env;	164	static JMPENV *main_top_env;
150	static HV coro_state_stash, coro_stash;	165	static HV coro_state_stash, coro_stash;
151	static SV coro_mortal; / will be freed after next transfer */	166	static volatile SV coro_mortal; / will be freed after next transfer */
152		167
153	static GV irsgv; / $/ */	168	static GV irsgv; / $/ */
154	static GV stdoutgv; / STDOUT /	169	static GV stdoutgv; / STDOUT /
155		170	static SV *rv_diehook;
		171	static SV *rv_warnhook;
156	static HV hv_sig; / %SIG */	172	static HV hv_sig; / %SIG */
157	static SV *sv_diehook;
158	static SV *sv_warnhook;
159		173
160	/* async_pool helper stuff */	174	/* async_pool helper stuff */
161	static SV *sv_pool_rss;	175	static SV *sv_pool_rss;
162	static SV *sv_pool_size;	176	static SV *sv_pool_size;
163	static AV *av_async_pool;	177	static AV *av_async_pool;
		178
		179	/* Coro::AnyEvent */
		180	static SV *sv_activity;
164		181
165	static struct coro_cctx *cctx_first;	182	static struct coro_cctx *cctx_first;
166	static int cctx_count, cctx_idle;	183	static int cctx_count, cctx_idle;
167		184
168	enum {	185	enum {
…		…
221		238
222	/* process data */	239	/* process data */
223	AV *mainstack;	240	AV *mainstack;
224	perl_slots slot; / basically the saved sp */	241	perl_slots slot; / basically the saved sp */
225		242
226	/* data associated with this coroutine (initial args) */	243	AV args; / data associated with this coroutine (initial args) */
227	AV *args;	244	int refcnt; /* coroutines are refcounted, yes */
228	int refcnt;
229	int flags; /* CF_ flags */	245	int flags; /* CF_ flags */
		246	HV hv; / the perl hash associated with this coro, if any */
230		247
231	/* statistics */	248	/* statistics */
232	int usecount; /* number of transfers to this coro */	249	int usecount; /* number of transfers to this coro */
233		250
234	/* coro process data */	251	/* coro process data */
235	int prio;	252	int prio;
236	SV *throw;	253	SV throw; / exception to be thrown */
237		254
238	/* async_pool */	255	/* async_pool */
239	SV *saved_deffh;	256	SV *saved_deffh;
240		257
241	/* linked list */	258	/* linked list */
242	struct coro next, prev;	259	struct coro next, prev;
243	HV hv; / the perl hash associated with this coro, if any */
244	};	260	};
245		261
246	typedef struct coro *Coro__State;	262	typedef struct coro *Coro__State;
247	typedef struct coro *Coro__State_or_hashref;	263	typedef struct coro *Coro__State_or_hashref;
248		264
…		…
255	#define PRIO_IDLE -3	271	#define PRIO_IDLE -3
256	#define PRIO_MIN -4	272	#define PRIO_MIN -4
257		273
258	/* for Coro.pm */	274	/* for Coro.pm */
259	static SV *coro_current;	275	static SV *coro_current;
		276	static SV *coro_readyhook;
260	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];	277	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
261	static int coro_nready;	278	static int coro_nready;
262	static struct coro *coro_first;	279	static struct coro *coro_first;
263		280
264	/ lowlevel stuff ********************************************************/	281	/ lowlevel stuff ********************************************************/
265		282
266	static SV *	283	static SV *
267	coro_get_sv (const char *name, int create)	284	coro_get_sv (pTHX_ const char *name, int create)
268	{	285	{
269	#if PERL_VERSION_ATLEAST (5,9,0)	286	#if PERL_VERSION_ATLEAST (5,10,0)
270	/* 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 */
271	get_sv (name, create);	288	get_sv (name, create);
272	#endif	289	#endif
273	return get_sv (name, create);	290	return get_sv (name, create);
274	}	291	}
275		292
276	static AV *	293	static AV *
277	coro_get_av (const char *name, int create)	294	coro_get_av (pTHX_ const char *name, int create)
278	{	295	{
279	#if PERL_VERSION_ATLEAST (5,9,0)	296	#if PERL_VERSION_ATLEAST (5,10,0)
280	/* 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 */
281	get_av (name, create);	298	get_av (name, create);
282	#endif	299	#endif
283	return get_av (name, create);	300	return get_av (name, create);
284	}	301	}
285		302
286	static HV *	303	static HV *
287	coro_get_hv (const char *name, int create)	304	coro_get_hv (pTHX_ const char *name, int create)
288	{	305	{
289	#if PERL_VERSION_ATLEAST (5,9,0)	306	#if PERL_VERSION_ATLEAST (5,10,0)
290	/* 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 */
291	get_hv (name, create);	308	get_hv (name, create);
292	#endif	309	#endif
293	return get_hv (name, create);	310	return get_hv (name, create);
294	}	311	}
…		…
299	AV *padlist = CvPADLIST (cv);	316	AV *padlist = CvPADLIST (cv);
300	AV newpadlist, newpad;	317	AV newpadlist, newpad;
301		318
302	newpadlist = newAV ();	319	newpadlist = newAV ();
303	AvREAL_off (newpadlist);	320	AvREAL_off (newpadlist);
304	#if PERL_VERSION_ATLEAST (5,9,0)	321	#if PERL_VERSION_ATLEAST (5,10,0)
305	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);	322	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);
306	#else	323	#else
307	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);	324	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
308	#endif	325	#endif
309	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];	326	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
…		…
347		364
348	/* casting is fun. */	365	/* casting is fun. */
349	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))	366	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
350	free_padlist (aTHX_ padlist);	367	free_padlist (aTHX_ padlist);
351		368
352	SvREFCNT_dec (av);	369	SvREFCNT_dec (av); /* sv_magicext increased the refcount */
353		370
354	return 0;	371	return 0;
355	}	372	}
356		373
357	#define PERL_MAGIC_coro PERL_MAGIC_ext	374	#define CORO_MAGIC_type_cv PERL_MAGIC_ext
		375	#define CORO_MAGIC_type_state PERL_MAGIC_ext
358		376
359	static MGVTBL vtbl_coro = {0, 0, 0, 0, coro_cv_free};	377	static MGVTBL coro_cv_vtbl = {
		378	0, 0, 0, 0,
		379	coro_cv_free
		380	};
360		381
361	#define CORO_MAGIC(cv) \	382	#define CORO_MAGIC(sv,type) \
362	SvMAGIC (cv) \	383	SvMAGIC (sv) \
363	? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \	384	? SvMAGIC (sv)->mg_type == type \
364	? SvMAGIC (cv) \	385	? SvMAGIC (sv) \
365	: mg_find ((SV *)cv, PERL_MAGIC_coro) \	386	: mg_find (sv, type) \
366	: 0	387	: 0
		388
		389	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
		390	#define CORO_MAGIC_state(sv) CORO_MAGIC (((SV *)(sv)), CORO_MAGIC_type_state)
367		391
368	static struct coro *	392	static struct coro *
369	SvSTATE_ (pTHX_ SV *coro)	393	SvSTATE_ (pTHX_ SV *coro)
370	{	394	{
371	HV *stash;	395	HV *stash;
…		…
383	/* very slow, but rare, check */	407	/* very slow, but rare, check */
384	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))	408	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
385	croak ("Coro::State object required");	409	croak ("Coro::State object required");
386	}	410	}
387		411
388	mg = CORO_MAGIC (coro);	412	mg = CORO_MAGIC_state (coro);
389	return (struct coro *)mg->mg_ptr;	413	return (struct coro *)mg->mg_ptr;
390	}	414	}
391		415
392	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))	416	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
393		417
394	/* the next two functions merely cache the padlists */	418	/* the next two functions merely cache the padlists */
395	static void	419	static void
396	get_padlist (pTHX_ CV *cv)	420	get_padlist (pTHX_ CV *cv)
397	{	421	{
398	MAGIC *mg = CORO_MAGIC (cv);	422	MAGIC *mg = CORO_MAGIC_cv (cv);
399	AV *av;	423	AV *av;
400		424
401	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))	425	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))
402	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];	426	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
403	else	427	else
404	{	428	{
405	#if CORO_PREFER_PERL_FUNCTIONS	429	#if CORO_PREFER_PERL_FUNCTIONS
406	/* this is probably cleaner, but also slower? */	430	/* this is probably cleaner? but also slower! */
		431	/* in practise, it seems to be less stable */
407	CV *cp = Perl_cv_clone (cv);	432	CV *cp = Perl_cv_clone (cv);
408	CvPADLIST (cv) = CvPADLIST (cp);	433	CvPADLIST (cv) = CvPADLIST (cp);
409	CvPADLIST (cp) = 0;	434	CvPADLIST (cp) = 0;
410	SvREFCNT_dec (cp);	435	SvREFCNT_dec (cp);
411	#else	436	#else
…		…
415	}	440	}
416		441
417	static void	442	static void
418	put_padlist (pTHX_ CV *cv)	443	put_padlist (pTHX_ CV *cv)
419	{	444	{
420	MAGIC *mg = CORO_MAGIC (cv);	445	MAGIC *mg = CORO_MAGIC_cv (cv);
421	AV *av;	446	AV *av;
422		447
423	if (expect_false (!mg))	448	if (expect_false (!mg))
424	{	449	mg = sv_magicext ((SV )cv, (SV )newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);
425	sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0);
426	mg = mg_find ((SV *)cv, PERL_MAGIC_coro);
427	mg->mg_virtual = &vtbl_coro;
428	mg->mg_obj = (SV *)newAV ();
429	}
430		450
431	av = (AV *)mg->mg_obj;	451	av = (AV *)mg->mg_obj;
432		452
433	if (expect_false (AvFILLp (av) >= AvMAX (av)))	453	if (expect_false (AvFILLp (av) >= AvMAX (av)))
434	av_extend (av, AvMAX (av) + 1);	454	av_extend (av, AvMAX (av) + 1);
…		…
500		520
501	if (expect_true (CvDEPTH (cv)))	521	if (expect_true (CvDEPTH (cv)))
502	{	522	{
503	EXTEND (SP, 3);	523	EXTEND (SP, 3);
504	PUSHs ((SV *)CvPADLIST (cv));	524	PUSHs ((SV *)CvPADLIST (cv));
505	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));	525	PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv)));
506	PUSHs ((SV *)cv);	526	PUSHs ((SV *)cv);
507		527
508	CvDEPTH (cv) = 0;	528	CvDEPTH (cv) = 0;
509	get_padlist (aTHX_ cv);	529	get_padlist (aTHX_ cv);
510	}	530	}
…		…
521		541
522	PUTBACK;	542	PUTBACK;
523	}	543	}
524		544
525	/* allocate some space on the context stack for our purposes */	545	/* allocate some space on the context stack for our purposes */
		546	/* we manually unroll here, as usually 2 slots is enough */
		547	if (SLOT_COUNT >= 1) CXINC;
		548	if (SLOT_COUNT >= 2) CXINC;
		549	if (SLOT_COUNT >= 3) CXINC;
526	{	550	{
527	/* we manually unroll here, as usually 2 slots is enough */
528	int i;	551	int i;
529	if (SLOT_COUNT >= 1) CXINC;
530	if (SLOT_COUNT >= 2) CXINC;
531	if (SLOT_COUNT >= 3) CXINC;
532	for (i = 3; i < SLOT_COUNT; ++i)	552	for (i = 3; i < SLOT_COUNT; ++i)
533	CXINC;	553	CXINC;
534
535	cxstack_ix -= SLOT_COUNT; /* undo allocation */
536	}	554	}
		555	cxstack_ix -= SLOT_COUNT; /* undo allocation */
537		556
538	c->mainstack = PL_mainstack;	557	c->mainstack = PL_mainstack;
539		558
540	{	559	{
541	perl_slots slot = c->slot = (perl_slots )(cxstack + cxstack_ix + 1);	560	perl_slots slot = c->slot = (perl_slots )(cxstack + cxstack_ix + 1);
…		…
591		610
592	New(54,PL_savestack,24,ANY);	611	New(54,PL_savestack,24,ANY);
593	PL_savestack_ix = 0;	612	PL_savestack_ix = 0;
594	PL_savestack_max = 24;	613	PL_savestack_max = 24;
595		614
596	#if !PERL_VERSION_ATLEAST (5,9,0)	615	#if !PERL_VERSION_ATLEAST (5,10,0)
597	New(54,PL_retstack,4,OP*);	616	New(54,PL_retstack,4,OP*);
598	PL_retstack_ix = 0;	617	PL_retstack_ix = 0;
599	PL_retstack_max = 4;	618	PL_retstack_max = 4;
600	#endif	619	#endif
601	}	620	}
…		…
624		643
625	Safefree (PL_tmps_stack);	644	Safefree (PL_tmps_stack);
626	Safefree (PL_markstack);	645	Safefree (PL_markstack);
627	Safefree (PL_scopestack);	646	Safefree (PL_scopestack);
628	Safefree (PL_savestack);	647	Safefree (PL_savestack);
629	#if !PERL_VERSION_ATLEAST (5,9,0)	648	#if !PERL_VERSION_ATLEAST (5,10,0)
630	Safefree (PL_retstack);	649	Safefree (PL_retstack);
631	#endif	650	#endif
632	}	651	}
633		652
634	static size_t	653	static size_t
…		…
650	#undef VAR	669	#undef VAR
651	}	670	}
652	else	671	else
653	slot = coro->slot;	672	slot = coro->slot;
654		673
		674	if (slot)
		675	{
655	rss += sizeof (slot->curstackinfo);	676	rss += sizeof (slot->curstackinfo);
656	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);	677	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
657	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 *);
658	rss += slot->tmps_max * sizeof (SV *);	679	rss += slot->tmps_max * sizeof (SV *);
659	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);	680	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
660	rss += slot->scopestack_max * sizeof (I32);	681	rss += slot->scopestack_max * sizeof (I32);
661	rss += slot->savestack_max * sizeof (ANY);	682	rss += slot->savestack_max * sizeof (ANY);
662		683
663	#if !PERL_VERSION_ATLEAST (5,9,0)	684	#if !PERL_VERSION_ATLEAST (5,10,0)
664	rss += slot->retstack_max * sizeof (OP *);	685	rss += slot->retstack_max * sizeof (OP *);
665	#endif	686	#endif
		687	}
666	}	688	}
667		689
668	return rss;	690	return rss;
669	}	691	}
670		692
671	/ coroutine stack handling **********************************************/	693	/ coroutine stack handling **********************************************/
		694
		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
		705
		706	/*
		707	* This overrides the default magic get method of %SIG elements.
		708	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook
		709	* and instead of tryign to save and restore the hash elements, we just provide
		710	* readback here.
		711	* We only do this when the hook is != 0, as they are often set to 0 temporarily,
		712	* not expecting this to actually change the hook. This is a potential problem
		713	* when a schedule happens then, but we ignore this.
		714	*/
		715	static int
		716	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)
		717	{
		718	const char *s = MgPV_nolen_const (mg);
		719
		720	if (*s == '_')
		721	{
		722	SV **svp = 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 == '_')
		743	{
		744	SV **svp = 0;
		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
		782	return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0;
		783	}
672		784
673	static void	785	static void
674	coro_setup (pTHX_ struct coro *coro)	786	coro_setup (pTHX_ struct coro *coro)
675	{	787	{
676	/*	788	/*
…		…
685	PL_curpm = 0;	797	PL_curpm = 0;
686	PL_curpad = 0;	798	PL_curpad = 0;
687	PL_localizing = 0;	799	PL_localizing = 0;
688	PL_dirty = 0;	800	PL_dirty = 0;
689	PL_restartop = 0;	801	PL_restartop = 0;
690	SvREFCNT_inc (PL_diehook ); hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0);	802	#if PERL_VERSION_ATLEAST (5,10,0)
691	SvREFCNT_inc (PL_warnhook); hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0);	803	PL_parser = 0;
		804	#endif
		805
		806	/* recreate the die/warn hooks */
		807	PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook );
		808	PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook);
692		809
693	GvSV (PL_defgv) = newSV (0);	810	GvSV (PL_defgv) = newSV (0);
694	GvAV (PL_defgv) = coro->args; coro->args = 0;	811	GvAV (PL_defgv) = coro->args; coro->args = 0;
695	GvSV (PL_errgv) = newSV (0);	812	GvSV (PL_errgv) = newSV (0);
696	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);
…		…
711	PL_op = (OP *)&myop;	828	PL_op = (OP *)&myop;
712	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	829	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
713	SPAGAIN;	830	SPAGAIN;
714	}	831	}
715		832
716	ENTER; /* necessary e.g. for dounwind and to balance the xsub-entersub */	833	/* this newly created coroutine might be run on an existing cctx which most
		834	* likely was suspended in set_stacklevel, called from entersub.
		835	* set_stacklevl doesn't do anything on return, but entersub does LEAVE,
		836	* so we ENTER here for symmetry
		837	*/
		838	ENTER;
717	}	839	}
718		840
719	static void	841	static void
720	coro_destroy (pTHX_ struct coro *coro)	842	coro_destroy (pTHX_ struct coro *coro)
721	{	843	{
…		…
805	PUSHMARK (SP);	927	PUSHMARK (SP);
806	PUSHs (&PL_sv_no);	928	PUSHs (&PL_sv_no);
807	PUSHs (fullname);	929	PUSHs (fullname);
808	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));	930	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
809	PUTBACK;	931	PUTBACK;
810	cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_sub_cb"), 0);	932	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
811	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	933	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
812	SPAGAIN;	934	SPAGAIN;
813	FREETMPS;	935	FREETMPS;
814	LEAVE;	936	LEAVE;
815	PL_runops = runops_trace;	937	PL_runops = runops_trace;
…		…
842	SAVETMPS;	964	SAVETMPS;
843	EXTEND (SP, 3);	965	EXTEND (SP, 3);
844	PUSHMARK (SP);	966	PUSHMARK (SP);
845	PUSHs (&PL_sv_yes);	967	PUSHs (&PL_sv_yes);
846	PUSHs (fullname);	968	PUSHs (fullname);
847	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);
848	PUTBACK;	970	PUTBACK;
849	cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_sub_cb"), 0);	971	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
850	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);
851	SPAGAIN;	973	SPAGAIN;
852	FREETMPS;	974	FREETMPS;
853	LEAVE;	975	LEAVE;
854	PL_runops = runops_trace;	976	PL_runops = runops_trace;
…		…
868	PL_runops = RUNOPS_DEFAULT;	990	PL_runops = RUNOPS_DEFAULT;
869	PUSHMARK (SP);	991	PUSHMARK (SP);
870	PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));	992	PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));
871	PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));	993	PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));
872	PUTBACK;	994	PUTBACK;
873	cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_line_cb"), 0);	995	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0);
874	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	996	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
875	SPAGAIN;	997	SPAGAIN;
876	FREETMPS;	998	FREETMPS;
877	LEAVE;	999	LEAVE;
878	PL_runops = runops_trace;	1000	PL_runops = runops_trace;
…		…
888		1010
889	/* inject a fake call to Coro::State::_cctx_init into the execution */	1011	/* inject a fake call to Coro::State::_cctx_init into the execution */
890	/* _cctx_init should be careful, as it could be called at almost any time */	1012	/* _cctx_init should be careful, as it could be called at almost any time */
891	/* during execution of a perl program */	1013	/* during execution of a perl program */
892	static void NOINLINE	1014	static void NOINLINE
893	prepare_cctx (pTHX_ coro_cctx *cctx)	1015	cctx_prepare (pTHX_ coro_cctx *cctx)
894	{	1016	{
895	dSP;	1017	dSP;
896	LOGOP myop;	1018	LOGOP myop;
897		1019
898	PL_top_env = &PL_start_env;	1020	PL_top_env = &PL_start_env;
…		…
916		1038
917	/*	1039	/*
918	* this is a _very_ stripped down perl interpreter ;)	1040	* this is a _very_ stripped down perl interpreter ;)
919	*/	1041	*/
920	static void	1042	static void
921	coro_run (void *arg)	1043	cctx_run (void *arg)
922	{	1044	{
923	dTHX;	1045	dTHX;
924		1046
925	/* coro_run is the alternative tail of transfer(), so unlock here. */	1047	/* cctx_run is the alternative tail of transfer(), so unlock here. */
926	UNLOCK;	1048	UNLOCK;
927		1049
928	/* we now skip the entersub that lead to transfer() */	1050	/* we now skip the entersub that lead to transfer() */
929	PL_op = PL_op->op_next;	1051	PL_op = PL_op->op_next;
930		1052
931	/* inject a fake subroutine call to cctx_init */	1053	/* inject a fake subroutine call to cctx_init */
932	prepare_cctx (aTHX_ (coro_cctx *)arg);	1054	cctx_prepare (aTHX_ (coro_cctx *)arg);
933		1055
934	/* somebody or something will hit me for both perl_run and PL_restartop */	1056	/* somebody or something will hit me for both perl_run and PL_restartop */
935	PL_restartop = PL_op;	1057	PL_restartop = PL_op;
936	perl_run (PL_curinterp);	1058	perl_run (PL_curinterp);
937		1059
…		…
956	++cctx_count;	1078	++cctx_count;
957		1079
958	Newz (0, cctx, 1, coro_cctx);	1080	Newz (0, cctx, 1, coro_cctx);
959		1081
960	#if HAVE_MMAP	1082	#if HAVE_MMAP
961
962	cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;	1083	cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;
963	/* mmap supposedly does allocate-on-write for us */	1084	/* mmap supposedly does allocate-on-write for us */
964	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);	1085	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);
965		1086
966	if (cctx->sptr != (void *)-1)	1087	if (cctx->sptr != (void *)-1)
…		…
987	stack_start = cctx->sptr;	1108	stack_start = cctx->sptr;
988	stack_size = cctx->ssize;	1109	stack_size = cctx->ssize;
989	}	1110	}
990		1111
991	REGISTER_STACK (cctx, (char )stack_start, (char )stack_start + stack_size);	1112	REGISTER_STACK (cctx, (char )stack_start, (char )stack_start + stack_size);
992	coro_create (&cctx->cctx, coro_run, (void *)cctx, stack_start, stack_size);	1113	coro_create (&cctx->cctx, cctx_run, (void *)cctx, stack_start, stack_size);
993		1114
994	return cctx;	1115	return cctx;
995	}	1116	}
996		1117
997	static void	1118	static void
…		…
1069	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");
1070		1191
1071	if (expect_false (next->flags & CF_DESTROYED))	1192	if (expect_false (next->flags & CF_DESTROYED))
1072	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");
1073		1194
1074	if (
1075	#if PERL_VERSION_ATLEAST (5,9,0)	1195	#if !PERL_VERSION_ATLEAST (5,10,0)
1076	expect_false (PL_parser)
1077	#else
1078	expect_false (PL_lex_state != LEX_NOTPARSING)	1196	if (expect_false (PL_lex_state != LEX_NOTPARSING))
1079	#endif
1080	)
1081	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
1082	}	1199	}
1083	}	1200	}
1084		1201
1085	/* always use the TRANSFER macro */	1202	/* always use the TRANSFER macro */
1086	static void NOINLINE	1203	static void NOINLINE
1087	transfer (pTHX_ struct coro prev, struct coro next)	1204	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)
1088	{	1205	{
1089	dSTACKLEVEL;	1206	dSTACKLEVEL;
		1207	static volatile int has_throw;
1090		1208
1091	/* sometimes transfer is only called to set idle_sp */	1209	/* sometimes transfer is only called to set idle_sp */
1092	if (expect_false (!next))	1210	if (expect_false (!next))
1093	{	1211	{
1094	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1212	((coro_cctx *)prev)->idle_sp = STACKLEVEL;
…		…
1109	prev->flags &= ~CF_RUNNING;	1227	prev->flags &= ~CF_RUNNING;
1110	next->flags \|= CF_RUNNING;	1228	next->flags \|= CF_RUNNING;
1111		1229
1112	LOCK;	1230	LOCK;
1113		1231
		1232	/* first get rid of the old state */
		1233	save_perl (aTHX_ prev);
		1234
1114	if (expect_false (next->flags & CF_NEW))	1235	if (expect_false (next->flags & CF_NEW))
1115	{	1236	{
1116	/* need to start coroutine */	1237	/* need to start coroutine */
1117	next->flags &= ~CF_NEW;	1238	next->flags &= ~CF_NEW;
1118	/* first get rid of the old state */
1119	save_perl (aTHX_ prev);
1120	/* setup coroutine call */	1239	/* setup coroutine call */
1121	coro_setup (aTHX_ next);	1240	coro_setup (aTHX_ next);
1122	}	1241	}
1123	else	1242	else
1124	{
1125	/* coroutine already started */
1126	save_perl (aTHX_ prev);
1127	load_perl (aTHX_ next);	1243	load_perl (aTHX_ next);
1128	}
1129		1244
1130	prev__cctx = prev->cctx;	1245	prev__cctx = prev->cctx;
1131		1246
1132	/* possibly "free" the cctx */	1247	/* possibly "free" the cctx */
1133	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	))
1134	{	1253	{
1135	/* 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 */
1136	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));
1137		1256
1138	prev->cctx = 0;	1257	prev->cctx = 0;
1139		1258
1140	/* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */	1259	/* if the cctx is about to be destroyed we need to make sure we won't see it in cctx_get */
1141	/* without this the next cctx_get might destroy the prev__cctx while still in use */	1260	/* without this the next cctx_get might destroy the prev__cctx while still in use */
1142	if (expect_false (CCTX_EXPIRED (prev__cctx)))	1261	if (expect_false (CCTX_EXPIRED (prev__cctx)))
		1262	if (!next->cctx)
1143	next->cctx = cctx_get (aTHX);	1263	next->cctx = cctx_get (aTHX);
1144		1264
1145	cctx_put (prev__cctx);	1265	cctx_put (prev__cctx);
1146	}	1266	}
1147		1267
1148	++next->usecount;	1268	++next->usecount;
1149		1269
1150	if (expect_true (!next->cctx))	1270	if (expect_true (!next->cctx))
1151	next->cctx = cctx_get (aTHX);	1271	next->cctx = cctx_get (aTHX);
		1272
		1273	has_throw = !!next->throw;
1152		1274
1153	if (expect_false (prev__cctx != next->cctx))	1275	if (expect_false (prev__cctx != next->cctx))
1154	{	1276	{
1155	prev__cctx->top_env = PL_top_env;	1277	prev__cctx->top_env = PL_top_env;
1156	PL_top_env = next->cctx->top_env;	1278	PL_top_env = next->cctx->top_env;
…		…
1158	}	1280	}
1159		1281
1160	free_coro_mortal (aTHX);	1282	free_coro_mortal (aTHX);
1161	UNLOCK;	1283	UNLOCK;
1162		1284
1163	if (expect_false (prev->throw \|\| next->throw))	1285	if (expect_false (has_throw))
1164	{	1286	{
1165	struct coro *coro = SvSTATE (coro_current);	1287	struct coro *coro = SvSTATE (coro_current);
1166		1288
1167	if (coro->throw)	1289	if (coro->throw)
1168	{	1290	{
…		…
1178	struct transfer_args	1300	struct transfer_args
1179	{	1301	{
1180	struct coro prev, next;	1302	struct coro prev, next;
1181	};	1303	};
1182		1304
1183	#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)	1305	#define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx))
1184	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)	1306	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
1185		1307
1186	/ high level stuff ******************************************************/	1308	/ high level stuff ******************************************************/
1187		1309
1188	static int	1310	static int
…		…
1282	{	1404	{
1283	dTHX;	1405	dTHX;
1284	struct transfer_args ta;	1406	struct transfer_args ta;
1285		1407
1286	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);	1408	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1287	TRANSFER (ta);	1409	TRANSFER (ta, 1);
1288	}	1410	}
1289		1411
1290	/ Coro ******************************************************************/	1412	/ Coro ******************************************************************/
1291		1413
1292	static void	1414	static void
…		…
1294	{	1416	{
1295	av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv);	1417	av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv);
1296	}	1418	}
1297		1419
1298	static SV *	1420	static SV *
1299	coro_deq (pTHX_ int min_prio)	1421	coro_deq (pTHX)
1300	{	1422	{
1301	int prio = PRIO_MAX - PRIO_MIN;	1423	int prio;
1302		1424
1303	min_prio -= PRIO_MIN;
1304	if (min_prio < 0)
1305	min_prio = 0;
1306
1307	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= min_prio; )	1425	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; )
1308	if (AvFILLp (coro_ready [prio]) >= 0)	1426	if (AvFILLp (coro_ready [prio]) >= 0)
1309	return av_shift (coro_ready [prio]);	1427	return av_shift (coro_ready [prio]);
1310		1428
1311	return 0;	1429	return 0;
1312	}	1430	}
…		…
1314	static int	1432	static int
1315	api_ready (SV *coro_sv)	1433	api_ready (SV *coro_sv)
1316	{	1434	{
1317	dTHX;	1435	dTHX;
1318	struct coro *coro;	1436	struct coro *coro;
		1437	SV *sv_hook;
		1438	void (*xs_hook)(void);
1319		1439
1320	if (SvROK (coro_sv))	1440	if (SvROK (coro_sv))
1321	coro_sv = SvRV (coro_sv);	1441	coro_sv = SvRV (coro_sv);
1322		1442
1323	coro = SvSTATE (coro_sv);	1443	coro = SvSTATE (coro_sv);
…		…
1326	return 0;	1446	return 0;
1327		1447
1328	coro->flags \|= CF_READY;	1448	coro->flags \|= CF_READY;
1329		1449
1330	LOCK;	1450	LOCK;
		1451
		1452	sv_hook = coro_nready ? 0 : coro_readyhook;
		1453	xs_hook = coro_nready ? 0 : coroapi.readyhook;
		1454
1331	coro_enq (aTHX_ SvREFCNT_inc (coro_sv));	1455	coro_enq (aTHX_ SvREFCNT_inc (coro_sv));
1332	++coro_nready;	1456	++coro_nready;
		1457
1333	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 ();
1334		1478
1335	return 1;	1479	return 1;
1336	}	1480	}
1337		1481
1338	static int	1482	static int
…		…
1348	SV prev_sv, next_sv;	1492	SV prev_sv, next_sv;
1349		1493
1350	for (;;)	1494	for (;;)
1351	{	1495	{
1352	LOCK;	1496	LOCK;
1353	next_sv = coro_deq (aTHX_ PRIO_MIN);	1497	next_sv = coro_deq (aTHX);
1354		1498
1355	/* nothing to schedule: call the idle handler */	1499	/* nothing to schedule: call the idle handler */
1356	if (expect_false (!next_sv))	1500	if (expect_false (!next_sv))
1357	{	1501	{
1358	dSP;	1502	dSP;
…		…
1362	SAVETMPS;	1506	SAVETMPS;
1363		1507
1364	PUSHMARK (SP);	1508	PUSHMARK (SP);
1365	PUTBACK;	1509	PUTBACK;
1366	call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD);	1510	call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD);
		1511	SPAGAIN;
1367		1512
1368	FREETMPS;	1513	FREETMPS;
1369	LEAVE;	1514	LEAVE;
1370	continue;	1515	continue;
1371	}	1516	}
…		…
1426	{	1571	{
1427	dTHX;	1572	dTHX;
1428	struct transfer_args ta;	1573	struct transfer_args ta;
1429		1574
1430	prepare_schedule (aTHX_ &ta);	1575	prepare_schedule (aTHX_ &ta);
1431	TRANSFER (ta);	1576	TRANSFER (ta, 1);
1432	}	1577	}
1433		1578
1434	static int	1579	static int
1435	api_cede (void)	1580	api_cede (void)
1436	{	1581	{
…		…
1439		1584
1440	prepare_cede (aTHX_ &ta);	1585	prepare_cede (aTHX_ &ta);
1441		1586
1442	if (expect_true (ta.prev != ta.next))	1587	if (expect_true (ta.prev != ta.next))
1443	{	1588	{
1444	TRANSFER (ta);	1589	TRANSFER (ta, 1);
1445	return 1;	1590	return 1;
1446	}	1591	}
1447	else	1592	else
1448	return 0;	1593	return 0;
1449	}	1594	}
…		…
1454	dTHX;	1599	dTHX;
1455	struct transfer_args ta;	1600	struct transfer_args ta;
1456		1601
1457	if (prepare_cede_notself (aTHX_ &ta))	1602	if (prepare_cede_notself (aTHX_ &ta))
1458	{	1603	{
1459	TRANSFER (ta);	1604	TRANSFER (ta, 1);
1460	return 1;	1605	return 1;
1461	}	1606	}
1462	else	1607	else
1463	return 0;	1608	return 0;
1464	}	1609	}
…		…
1487	else	1632	else
1488	coro->slot->runops = RUNOPS_DEFAULT;	1633	coro->slot->runops = RUNOPS_DEFAULT;
1489	}	1634	}
1490	}	1635	}
1491		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 = SvNV (arg);
		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
1492	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	1729	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1493		1730
1494	PROTOTYPES: DISABLE	1731	PROTOTYPES: DISABLE
1495		1732
1496	BOOT:	1733	BOOT:
…		…
1501	BOOT_PAGESIZE;	1738	BOOT_PAGESIZE;
1502		1739
1503	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);	1740	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
1504	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);	1741	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
1505		1742
		1743	orig_sigelem_get = PL_vtbl_sigelem.svt_get; 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;
		1745	orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr;
		1746
1506	hv_sig = coro_get_hv ("SIG", TRUE);	1747	hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);
1507	sv_diehook = coro_get_sv ("Coro::State::DIEHOOK" , TRUE);	1748	rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));
1508	sv_warnhook = coro_get_sv ("Coro::State::WARNHOOK", TRUE);	1749	rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));
1509
1510	if (!PL_diehook ) hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0);
1511	if (!PL_warnhook) hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0);
1512		1750
1513	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	1751	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1514		1752
1515	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));	1753	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1516	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));	1754	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
…		…
1521	main_top_env = PL_top_env;	1759	main_top_env = PL_top_env;
1522		1760
1523	while (main_top_env->je_prev)	1761	while (main_top_env->je_prev)
1524	main_top_env = main_top_env->je_prev;	1762	main_top_env = main_top_env->je_prev;
1525		1763
1526	coroapi.ver = CORO_API_VERSION;	1764	coroapi.ver = CORO_API_VERSION;
		1765	coroapi.rev = CORO_API_REVISION;
1527	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	}
1528		1776
1529	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	1777	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
1530	}	1778	}
1531		1779
1532	SV *	1780	SV *
1533	new (char *klass, ...)	1781	new (char *klass, ...)
1534	CODE:	1782	CODE:
1535	{	1783	{
1536	struct coro *coro;	1784	struct coro *coro;
		1785	MAGIC *mg;
1537	HV *hv;	1786	HV *hv;
1538	int i;	1787	int i;
1539		1788
1540	Newz (0, coro, 1, struct coro);	1789	Newz (0, coro, 1, struct coro);
1541	coro->args = newAV ();	1790	coro->args = newAV ();
…		…
1544	if (coro_first) coro_first->prev = coro;	1793	if (coro_first) coro_first->prev = coro;
1545	coro->next = coro_first;	1794	coro->next = coro_first;
1546	coro_first = coro;	1795	coro_first = coro;
1547		1796
1548	coro->hv = hv = newHV ();	1797	coro->hv = hv = newHV ();
1549	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;	1798	mg = sv_magicext ((SV )hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char )coro, 0);
		1799	mg->mg_flags \|= MGf_DUP;
1550	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	1800	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1551		1801
1552	av_extend (coro->args, items - 1);	1802	av_extend (coro->args, items - 1);
1553	for (i = 1; i < items; i++)	1803	for (i = 1; i < items; i++)
1554	av_push (coro->args, newSVsv (ST (i)));	1804	av_push (coro->args, newSVsv (ST (i)));
…		…
1568	Coro::cede_notself = 4	1818	Coro::cede_notself = 4
1569	CODE:	1819	CODE:
1570	{	1820	{
1571	struct transfer_args ta;	1821	struct transfer_args ta;
1572		1822
		1823	PUTBACK;
1573	switch (ix)	1824	switch (ix)
1574	{	1825	{
1575	case 0:	1826	case 0:
1576	ta.prev = (struct coro )INT2PTR (coro_cctx , SvIV (ST (0)));	1827	ta.prev = (struct coro )INT2PTR (coro_cctx , SvIV (ST (0)));
1577	ta.next = 0;	1828	ta.next = 0;
…		…
1596	if (!prepare_cede_notself (aTHX_ &ta))	1847	if (!prepare_cede_notself (aTHX_ &ta))
1597	XSRETURN_EMPTY;	1848	XSRETURN_EMPTY;
1598		1849
1599	break;	1850	break;
1600	}	1851	}
		1852	SPAGAIN;
1601		1853
1602	BARRIER;	1854	BARRIER;
		1855	PUTBACK;
1603	TRANSFER (ta);	1856	TRANSFER (ta, 0);
1604		1857	SPAGAIN; /* might be the sp of a different coroutine now */
1605	if (expect_false (GIMME_V != G_VOID && ta.next != ta.prev))	1858	/* be extra careful not to ever do anything after TRANSFER */
1606	XSRETURN_YES;
1607	}	1859	}
1608		1860
1609	bool	1861	bool
1610	_destroy (SV *coro_sv)	1862	_destroy (SV *coro_sv)
1611	CODE:	1863	CODE:
1612	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));	1864	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));
1613	OUTPUT:	1865	OUTPUT:
1614	RETVAL	1866	RETVAL
1615		1867
1616	void	1868	void
1617	_exit (code)	1869	_exit (int code)
1618	int code
1619	PROTOTYPE: $	1870	PROTOTYPE: $
1620	CODE:	1871	CODE:
1621	_exit (code);	1872	_exit (code);
1622		1873
1623	int	1874	int
…		…
1657	call (Coro::State coro, SV *coderef)	1908	call (Coro::State coro, SV *coderef)
1658	ALIAS:	1909	ALIAS:
1659	eval = 1	1910	eval = 1
1660	CODE:	1911	CODE:
1661	{	1912	{
1662	if (coro->mainstack)	1913	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))
1663	{	1914	{
1664	struct coro temp;	1915	struct coro temp;
1665		1916
1666	if (!(coro->flags & CF_RUNNING))	1917	if (!(coro->flags & CF_RUNNING))
1667	{	1918	{
		1919	PUTBACK;
1668	save_perl (aTHX_ &temp);	1920	save_perl (aTHX_ &temp);
1669	load_perl (aTHX_ coro);	1921	load_perl (aTHX_ coro);
1670	}	1922	}
1671		1923
1672	{	1924	{
1673	dSP;	1925	dSP;
1674	ENTER;	1926	ENTER;
1675	SAVETMPS;	1927	SAVETMPS;
		1928	PUTBACK;
		1929	PUSHSTACK;
1676	PUSHMARK (SP);	1930	PUSHMARK (SP);
1677	PUTBACK;
1678		1931
1679	if (ix)	1932	if (ix)
1680	eval_sv (coderef, 0);	1933	eval_sv (coderef, 0);
1681	else	1934	else
1682	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	1935	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
1683		1936
		1937	POPSTACK;
1684	SPAGAIN;	1938	SPAGAIN;
1685	FREETMPS;	1939	FREETMPS;
1686	LEAVE;	1940	LEAVE;
1687	PUTBACK;	1941	PUTBACK;
1688	}	1942	}
1689		1943
1690	if (!(coro->flags & CF_RUNNING))	1944	if (!(coro->flags & CF_RUNNING))
1691	{	1945	{
1692	save_perl (aTHX_ coro);	1946	save_perl (aTHX_ coro);
1693	load_perl (aTHX_ &temp);	1947	load_perl (aTHX_ &temp);
		1948	SPAGAIN;
1694	}	1949	}
1695	}	1950	}
1696	}	1951	}
1697		1952
1698	SV *	1953	SV *
…		…
1710		1965
1711	void	1966	void
1712	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)	1967	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)
1713		1968
1714	SV *	1969	SV *
1715	has_stack (Coro::State coro)	1970	has_cctx (Coro::State coro)
1716	PROTOTYPE: $	1971	PROTOTYPE: $
1717	CODE:	1972	CODE:
1718	RETVAL = boolSV (!!coro->cctx);	1973	RETVAL = boolSV (!!coro->cctx);
1719	OUTPUT:	1974	OUTPUT:
1720	RETVAL	1975	RETVAL
…		…
1739	case 1: RETVAL = coro->usecount; break;	1994	case 1: RETVAL = coro->usecount; break;
1740	}	1995	}
1741	OUTPUT:	1996	OUTPUT:
1742	RETVAL	1997	RETVAL
1743		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	}
1744		2027
1745	MODULE = Coro::State PACKAGE = Coro	2028	MODULE = Coro::State PACKAGE = Coro
1746		2029
1747	BOOT:	2030	BOOT:
1748	{	2031	{
1749	int i;	2032	int i;
1750		2033
1751	sv_pool_rss = coro_get_sv ("Coro::POOL_RSS" , TRUE);
1752	sv_pool_size = coro_get_sv ("Coro::POOL_SIZE" , TRUE);
1753	av_async_pool = coro_get_av ("Coro::async_pool", TRUE);	2034	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
		2035	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
		2036	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
1754		2037
1755	coro_current = coro_get_sv ("Coro::current", FALSE);	2038	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);
1756	SvREADONLY_on (coro_current);	2039	SvREADONLY_on (coro_current);
1757		2040
1758	coro_stash = gv_stashpv ("Coro", TRUE);	2041	coro_stash = gv_stashpv ("Coro", TRUE);
1759		2042
1760	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	2043	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
…		…
1790	PROTOTYPE: $	2073	PROTOTYPE: $
1791	CODE:	2074	CODE:
1792	SvREFCNT_dec (SvRV (coro_current));	2075	SvREFCNT_dec (SvRV (coro_current));
1793	SvRV_set (coro_current, SvREFCNT_inc (SvRV (current)));	2076	SvRV_set (coro_current, SvREFCNT_inc (SvRV (current)));
1794		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
1795	int	2087	int
1796	prio (Coro::State coro, int newprio = 0)	2088	prio (Coro::State coro, int newprio = 0)
1797	ALIAS:	2089	ALIAS:
1798	nice = 1	2090	nice = 1
1799	CODE:	2091	CODE:
…		…
1828	CODE:	2120	CODE:
1829	RETVAL = coro_nready;	2121	RETVAL = coro_nready;
1830	OUTPUT:	2122	OUTPUT:
1831	RETVAL	2123	RETVAL
1832		2124
1833	void
1834	throw (Coro::State self, SV *throw = &PL_sv_undef)
1835	PROTOTYPE: $;$
1836	CODE:
1837	SvREFCNT_dec (self->throw);
1838	self->throw = SvOK (throw) ? newSVsv (throw) : 0;
1839
1840	# for async_pool speedup	2125	# for async_pool speedup
1841	void	2126	void
1842	_pool_1 (SV *cb)	2127	_pool_1 (SV *cb)
1843	CODE:	2128	CODE:
1844	{	2129	{
1845	struct coro *coro = SvSTATE (coro_current);	2130	struct coro *coro = SvSTATE (coro_current);
1846	HV hv = (HV )SvRV (coro_current);	2131	HV hv = (HV )SvRV (coro_current);
1847	AV *defav = GvAV (PL_defgv);	2132	AV *defav = GvAV (PL_defgv);
1848	SV *invoke = hv_delete (hv, strpair ("_invoke"), 0);	2133	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
1849	AV *invoke_av;	2134	AV *invoke_av;
1850	int i, len;	2135	int i, len;
1851		2136
1852	if (!invoke)	2137	if (!invoke)
		2138	{
		2139	SV *old = PL_diehook;
		2140	PL_diehook = 0;
		2141	SvREFCNT_dec (old);
1853	croak ("\3async_pool terminate\2\n");	2142	croak ("\3async_pool terminate\2\n");
		2143	}
1854		2144
1855	SvREFCNT_dec (coro->saved_deffh);	2145	SvREFCNT_dec (coro->saved_deffh);
1856	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);	2146	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);
1857		2147
1858	hv_store (hv, "desc", sizeof ("desc") - 1,	2148	hv_store (hv, "desc", sizeof ("desc") - 1,
1859	newSVpvn (strpair ("[async_pool]")), 0);	2149	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
1860		2150
1861	invoke_av = (AV *)SvRV (invoke);	2151	invoke_av = (AV *)SvRV (invoke);
1862	len = av_len (invoke_av);	2152	len = av_len (invoke_av);
1863		2153
1864	sv_setsv (cb, AvARRAY (invoke_av)[0]);	2154	sv_setsv (cb, AvARRAY (invoke_av)[0]);
…		…
1884	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;	2174	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;
1885	coro->saved_deffh = 0;	2175	coro->saved_deffh = 0;
1886		2176
1887	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)	2177	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1888	\|\| 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);
1889	croak ("\3async_pool terminate\2\n");	2183	croak ("\3async_pool terminate\2\n");
		2184	}
1890		2185
1891	av_clear (GvAV (PL_defgv));	2186	av_clear (GvAV (PL_defgv));
1892	hv_store ((HV *)SvRV (coro_current), strpair ("desc"),	2187	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
1893	newSVpvn (strpair ("[async_pool idle]")), 0);	2188	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
1894		2189
1895	coro->prio = 0;	2190	coro->prio = 0;
1896		2191
1897	if (coro->cctx && (coro->cctx->flags & CC_TRACE))	2192	if (coro->cctx && (coro->cctx->flags & CC_TRACE))
1898	api_trace (coro_current, 0);	2193	api_trace (coro_current, 0);
1899		2194
1900	av_push (av_async_pool, newSVsv (coro_current));	2195	av_push (av_async_pool, newSVsv (coro_current));
1901	}	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
1902		2245
1903		2246
1904	MODULE = Coro::State PACKAGE = Coro::AIO	2247	MODULE = Coro::State PACKAGE = Coro::AIO
1905		2248
1906	SV *	2249	SV *
…		…
1933	PL_laststype = data->laststype;	2276	PL_laststype = data->laststype;
1934	PL_laststatval = data->laststatval;	2277	PL_laststatval = data->laststatval;
1935	PL_statcache = data->statcache;	2278	PL_statcache = data->statcache;
1936	}	2279	}
1937		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 1.200 by root, Sun Oct 7 15:08:23 2007 UTC vs. Revision 1.246 by root, Wed Sep 24 21:20:05 2008 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.200 by root, Sun Oct 7 15:08:23 2007 UTC vs.
Revision 1.246 by root, Wed Sep 24 21:20:05 2008 UTC