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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.207 by root, Tue Oct 9 22:29:27 2007 UTC vs.
Revision 1.251 by root, Thu Oct 30 09:44:31 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	/* 5.11 */
		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
		96	/* 5.8.8 */
		97	#ifndef GV_NOTQUAL
		98	# define GV_NOTQUAL 0
		99	#endif
		100	#ifndef newSV
		101	# define newSV(l) NEWSV(0,l)
		102	#endif
		103
76	/* 5.8.7 */	104	/* 5.8.7 */
77	#ifndef SvRV_set	105	#ifndef SvRV_set
78	# define SvRV_set(s,v) SvRV(s) = (v)	106	# 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	107	#endif
88		108
89	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64	109	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64
90	# undef CORO_STACKGUARD	110	# undef CORO_STACKGUARD
91	#endif	111	#endif
…		…
130	#else	150	#else
131	# define LOCK (void)0	151	# define LOCK (void)0
132	# define UNLOCK (void)0	152	# define UNLOCK (void)0
133	#endif	153	#endif
134		154
135	#define strpair(const) const, sizeof (const) - 1
136
137	/* helper storage struct for Coro::AIO */	155	/* helper storage struct for Coro::AIO */
138	struct io_state	156	struct io_state
139	{	157	{
		158	AV *res;
140	int errorno;	159	int errorno;
141	I32 laststype;	160	I32 laststype;
142	int laststatval;	161	int laststatval;
143	Stat_t statcache;	162	Stat_t statcache;
144	};	163	};
145		164
		165	static double (nvtime)(); / so why doesn't it take void? */
		166
146	static size_t coro_stacksize = CORO_STACKSIZE;	167	static size_t coro_stacksize = CORO_STACKSIZE;
147	static struct CoroAPI coroapi;	168	static struct CoroAPI coroapi;
148	static AV main_mainstack; / used to differentiate between $main and others */	169	static AV main_mainstack; / used to differentiate between $main and others */
149	static JMPENV *main_top_env;	170	static JMPENV *main_top_env;
150	static HV coro_state_stash, coro_stash;	171	static HV coro_state_stash, coro_stash;
151	static SV coro_mortal; / will be freed after next transfer */	172	static volatile SV coro_mortal; / will be freed after next transfer */
152		173
153	static GV irsgv; / $/ */	174	static GV irsgv; / $/ */
154	static GV stdoutgv; / STDOUT /	175	static GV stdoutgv; / STDOUT /
155		176	static SV *rv_diehook;
		177	static SV *rv_warnhook;
156	static HV hv_sig; / %SIG */	178	static HV hv_sig; / %SIG */
157	static SV *sv_diehook;
158	static SV *sv_warnhook;
159		179
160	/* async_pool helper stuff */	180	/* async_pool helper stuff */
161	static SV *sv_pool_rss;	181	static SV *sv_pool_rss;
162	static SV *sv_pool_size;	182	static SV *sv_pool_size;
163	static AV *av_async_pool;	183	static AV *av_async_pool;
		184
		185	/* Coro::AnyEvent */
		186	static SV *sv_activity;
164		187
165	static struct coro_cctx *cctx_first;	188	static struct coro_cctx *cctx_first;
166	static int cctx_count, cctx_idle;	189	static int cctx_count, cctx_idle;
167		190
168	enum {	191	enum {
…		…
254	#define PRIO_IDLE -3	277	#define PRIO_IDLE -3
255	#define PRIO_MIN -4	278	#define PRIO_MIN -4
256		279
257	/* for Coro.pm */	280	/* for Coro.pm */
258	static SV *coro_current;	281	static SV *coro_current;
		282	static SV *coro_readyhook;
259	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];	283	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
260	static int coro_nready;	284	static int coro_nready;
261	static struct coro *coro_first;	285	static struct coro *coro_first;
262		286
263	/ lowlevel stuff ********************************************************/	287	/ lowlevel stuff ********************************************************/
264		288
265	static SV *	289	static SV *
266	coro_get_sv (const char *name, int create)	290	coro_get_sv (pTHX_ const char *name, int create)
267	{	291	{
268	#if PERL_VERSION_ATLEAST (5,9,0)	292	#if PERL_VERSION_ATLEAST (5,10,0)
269	/* silence stupid and wrong 5.10 warning that I am unable to switch off */	293	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
270	get_sv (name, create);	294	get_sv (name, create);
271	#endif	295	#endif
272	return get_sv (name, create);	296	return get_sv (name, create);
273	}	297	}
274		298
275	static AV *	299	static AV *
276	coro_get_av (const char *name, int create)	300	coro_get_av (pTHX_ const char *name, int create)
277	{	301	{
278	#if PERL_VERSION_ATLEAST (5,9,0)	302	#if PERL_VERSION_ATLEAST (5,10,0)
279	/* silence stupid and wrong 5.10 warning that I am unable to switch off */	303	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
280	get_av (name, create);	304	get_av (name, create);
281	#endif	305	#endif
282	return get_av (name, create);	306	return get_av (name, create);
283	}	307	}
284		308
285	static HV *	309	static HV *
286	coro_get_hv (const char *name, int create)	310	coro_get_hv (pTHX_ const char *name, int create)
287	{	311	{
288	#if PERL_VERSION_ATLEAST (5,9,0)	312	#if PERL_VERSION_ATLEAST (5,10,0)
289	/* silence stupid and wrong 5.10 warning that I am unable to switch off */	313	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
290	get_hv (name, create);	314	get_hv (name, create);
291	#endif	315	#endif
292	return get_hv (name, create);	316	return get_hv (name, create);
293	}	317	}
…		…
298	AV *padlist = CvPADLIST (cv);	322	AV *padlist = CvPADLIST (cv);
299	AV newpadlist, newpad;	323	AV newpadlist, newpad;
300		324
301	newpadlist = newAV ();	325	newpadlist = newAV ();
302	AvREAL_off (newpadlist);	326	AvREAL_off (newpadlist);
303	#if PERL_VERSION_ATLEAST (5,9,0)	327	#if PERL_VERSION_ATLEAST (5,10,0)
304	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);	328	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);
305	#else	329	#else
306	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);	330	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
307	#endif	331	#endif
308	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];	332	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
309	--AvFILLp (padlist);	333	--AvFILLp (padlist);
310		334
311	av_store (newpadlist, 0, SvREFCNT_inc (*av_fetch (padlist, 0, FALSE)));	335	av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE)));
312	av_store (newpadlist, 1, (SV *)newpad);	336	av_store (newpadlist, 1, (SV *)newpad);
313		337
314	return newpadlist;	338	return newpadlist;
315	}	339	}
316		340
…		…
346		370
347	/* casting is fun. */	371	/* casting is fun. */
348	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))	372	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
349	free_padlist (aTHX_ padlist);	373	free_padlist (aTHX_ padlist);
350		374
351	SvREFCNT_dec (av);	375	SvREFCNT_dec (av); /* sv_magicext increased the refcount */
352		376
353	return 0;	377	return 0;
354	}	378	}
355		379
356	#define PERL_MAGIC_coro PERL_MAGIC_ext	380	#define CORO_MAGIC_type_cv PERL_MAGIC_ext
		381	#define CORO_MAGIC_type_state PERL_MAGIC_ext
357		382
358	static MGVTBL vtbl_coro = {0, 0, 0, 0, coro_cv_free};	383	static MGVTBL coro_cv_vtbl = {
		384	0, 0, 0, 0,
		385	coro_cv_free
		386	};
359		387
360	#define CORO_MAGIC(cv) \	388	#define CORO_MAGIC(sv,type) \
361	SvMAGIC (cv) \	389	SvMAGIC (sv) \
362	? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \	390	? SvMAGIC (sv)->mg_type == type \
363	? SvMAGIC (cv) \	391	? SvMAGIC (sv) \
364	: mg_find ((SV *)cv, PERL_MAGIC_coro) \	392	: mg_find (sv, type) \
365	: 0	393	: 0
		394
		395	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
		396	#define CORO_MAGIC_state(sv) CORO_MAGIC (((SV *)(sv)), CORO_MAGIC_type_state)
366		397
367	static struct coro *	398	static struct coro *
368	SvSTATE_ (pTHX_ SV *coro)	399	SvSTATE_ (pTHX_ SV *coro)
369	{	400	{
370	HV *stash;	401	HV *stash;
…		…
382	/* very slow, but rare, check */	413	/* very slow, but rare, check */
383	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))	414	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
384	croak ("Coro::State object required");	415	croak ("Coro::State object required");
385	}	416	}
386		417
387	mg = CORO_MAGIC (coro);	418	mg = CORO_MAGIC_state (coro);
388	return (struct coro *)mg->mg_ptr;	419	return (struct coro *)mg->mg_ptr;
389	}	420	}
390		421
391	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))	422	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
392		423
393	/* the next two functions merely cache the padlists */	424	/* the next two functions merely cache the padlists */
394	static void	425	static void
395	get_padlist (pTHX_ CV *cv)	426	get_padlist (pTHX_ CV *cv)
396	{	427	{
397	MAGIC *mg = CORO_MAGIC (cv);	428	MAGIC *mg = CORO_MAGIC_cv (cv);
398	AV *av;	429	AV *av;
399		430
400	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))	431	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))
401	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];	432	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
402	else	433	else
403	{	434	{
404	#if CORO_PREFER_PERL_FUNCTIONS	435	#if CORO_PREFER_PERL_FUNCTIONS
405	/* this is probably cleaner, but also slower? */	436	/* this is probably cleaner? but also slower! */
		437	/* in practise, it seems to be less stable */
406	CV *cp = Perl_cv_clone (cv);	438	CV *cp = Perl_cv_clone (cv);
407	CvPADLIST (cv) = CvPADLIST (cp);	439	CvPADLIST (cv) = CvPADLIST (cp);
408	CvPADLIST (cp) = 0;	440	CvPADLIST (cp) = 0;
409	SvREFCNT_dec (cp);	441	SvREFCNT_dec (cp);
410	#else	442	#else
…		…
414	}	446	}
415		447
416	static void	448	static void
417	put_padlist (pTHX_ CV *cv)	449	put_padlist (pTHX_ CV *cv)
418	{	450	{
419	MAGIC *mg = CORO_MAGIC (cv);	451	MAGIC *mg = CORO_MAGIC_cv (cv);
420	AV *av;	452	AV *av;
421		453
422	if (expect_false (!mg))	454	if (expect_false (!mg))
423	{	455	mg = sv_magicext ((SV )cv, (SV )newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);
424	sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0);
425	mg = mg_find ((SV *)cv, PERL_MAGIC_coro);
426	mg->mg_virtual = &vtbl_coro;
427	mg->mg_obj = (SV *)newAV ();
428	}
429		456
430	av = (AV *)mg->mg_obj;	457	av = (AV *)mg->mg_obj;
431		458
432	if (expect_false (AvFILLp (av) >= AvMAX (av)))	459	if (expect_false (AvFILLp (av) >= AvMAX (av)))
433	av_extend (av, AvMAX (av) + 1);	460	av_extend (av, AvMAX (av) + 1);
…		…
451	GvSV (irsgv) = slot->irsgv;	478	GvSV (irsgv) = slot->irsgv;
452		479
453	#define VAR(name,type) PL_ ## name = slot->name;	480	#define VAR(name,type) PL_ ## name = slot->name;
454	# include "state.h"	481	# include "state.h"
455	#undef VAR	482	#undef VAR
456
457	/hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0);/
458	/hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0);/
459		483
460	{	484	{
461	dSP;	485	dSP;
462		486
463	CV *cv;	487	CV *cv;
…		…
502		526
503	if (expect_true (CvDEPTH (cv)))	527	if (expect_true (CvDEPTH (cv)))
504	{	528	{
505	EXTEND (SP, 3);	529	EXTEND (SP, 3);
506	PUSHs ((SV *)CvPADLIST (cv));	530	PUSHs ((SV *)CvPADLIST (cv));
507	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));	531	PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv)));
508	PUSHs ((SV *)cv);	532	PUSHs ((SV *)cv);
509		533
510	CvDEPTH (cv) = 0;	534	CvDEPTH (cv) = 0;
511	get_padlist (aTHX_ cv);	535	get_padlist (aTHX_ cv);
512	}	536	}
…		…
592		616
593	New(54,PL_savestack,24,ANY);	617	New(54,PL_savestack,24,ANY);
594	PL_savestack_ix = 0;	618	PL_savestack_ix = 0;
595	PL_savestack_max = 24;	619	PL_savestack_max = 24;
596		620
597	#if !PERL_VERSION_ATLEAST (5,9,0)	621	#if !PERL_VERSION_ATLEAST (5,10,0)
598	New(54,PL_retstack,4,OP*);	622	New(54,PL_retstack,4,OP*);
599	PL_retstack_ix = 0;	623	PL_retstack_ix = 0;
600	PL_retstack_max = 4;	624	PL_retstack_max = 4;
601	#endif	625	#endif
602	}	626	}
…		…
625		649
626	Safefree (PL_tmps_stack);	650	Safefree (PL_tmps_stack);
627	Safefree (PL_markstack);	651	Safefree (PL_markstack);
628	Safefree (PL_scopestack);	652	Safefree (PL_scopestack);
629	Safefree (PL_savestack);	653	Safefree (PL_savestack);
630	#if !PERL_VERSION_ATLEAST (5,9,0)	654	#if !PERL_VERSION_ATLEAST (5,10,0)
631	Safefree (PL_retstack);	655	Safefree (PL_retstack);
632	#endif	656	#endif
633	}	657	}
634		658
635	static size_t	659	static size_t
…		…
651	#undef VAR	675	#undef VAR
652	}	676	}
653	else	677	else
654	slot = coro->slot;	678	slot = coro->slot;
655		679
		680	if (slot)
		681	{
656	rss += sizeof (slot->curstackinfo);	682	rss += sizeof (slot->curstackinfo);
657	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);	683	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
658	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);	684	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);
659	rss += slot->tmps_max * sizeof (SV *);	685	rss += slot->tmps_max * sizeof (SV *);
660	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);	686	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
661	rss += slot->scopestack_max * sizeof (I32);	687	rss += slot->scopestack_max * sizeof (I32);
662	rss += slot->savestack_max * sizeof (ANY);	688	rss += slot->savestack_max * sizeof (ANY);
663		689
664	#if !PERL_VERSION_ATLEAST (5,9,0)	690	#if !PERL_VERSION_ATLEAST (5,10,0)
665	rss += slot->retstack_max * sizeof (OP *);	691	rss += slot->retstack_max * sizeof (OP *);
666	#endif	692	#endif
		693	}
667	}	694	}
668		695
669	return rss;	696	return rss;
670	}	697	}
671		698
672	/ coroutine stack handling **********************************************/	699	/ coroutine stack handling **********************************************/
		700
		701	static int (orig_sigelem_get) (pTHX_ SV sv, MAGIC *mg);
		702	static int (orig_sigelem_set) (pTHX_ SV sv, MAGIC *mg);
		703	static int (orig_sigelem_clr) (pTHX_ SV sv, MAGIC *mg);
		704
		705	/* apparently < 5.8.8 */
		706	#ifndef MgPV_nolen_const
		707	#define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \
		708	SvPV_nolen((SV*)((mg)->mg_ptr)) : \
		709	(const char*)(mg)->mg_ptr)
		710	#endif
		711
		712	/*
		713	* This overrides the default magic get method of %SIG elements.
		714	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook
		715	* and instead of tryign to save and restore the hash elements, we just provide
		716	* readback here.
		717	* We only do this when the hook is != 0, as they are often set to 0 temporarily,
		718	* not expecting this to actually change the hook. This is a potential problem
		719	* when a schedule happens then, but we ignore this.
		720	*/
		721	static int
		722	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)
		723	{
		724	const char *s = MgPV_nolen_const (mg);
		725
		726	if (*s == '_')
		727	{
		728	SV **svp = 0;
		729
		730	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		731	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		732
		733	if (svp)
		734	{
		735	sv_setsv (sv, svp ? svp : &PL_sv_undef);
		736	return 0;
		737	}
		738	}
		739
		740	return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0;
		741	}
		742
		743	static int
		744	coro_sigelem_clr (pTHX_ SV sv, MAGIC mg)
		745	{
		746	const char *s = MgPV_nolen_const (mg);
		747
		748	if (*s == '_')
		749	{
		750	SV **svp = 0;
		751
		752	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		753	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		754
		755	if (svp)
		756	{
		757	SV old = svp;
		758	*svp = 0;
		759	SvREFCNT_dec (old);
		760	return 0;
		761	}
		762	}
		763
		764	return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0;
		765	}
		766
		767	static int
		768	coro_sigelem_set (pTHX_ SV sv, MAGIC mg)
		769	{
		770	const char *s = MgPV_nolen_const (mg);
		771
		772	if (*s == '_')
		773	{
		774	SV **svp = 0;
		775
		776	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		777	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		778
		779	if (svp)
		780	{
		781	SV old = svp;
		782	*svp = newSVsv (sv);
		783	SvREFCNT_dec (old);
		784	return 0;
		785	}
		786	}
		787
		788	return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0;
		789	}
673		790
674	static void	791	static void
675	coro_setup (pTHX_ struct coro *coro)	792	coro_setup (pTHX_ struct coro *coro)
676	{	793	{
677	/*	794	/*
…		…
686	PL_curpm = 0;	803	PL_curpm = 0;
687	PL_curpad = 0;	804	PL_curpad = 0;
688	PL_localizing = 0;	805	PL_localizing = 0;
689	PL_dirty = 0;	806	PL_dirty = 0;
690	PL_restartop = 0;	807	PL_restartop = 0;
691	PL_diehook = 0; hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0);	808	#if PERL_VERSION_ATLEAST (5,10,0)
692	PL_warnhook = 0; hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0);	809	PL_parser = 0;
		810	#endif
		811
		812	/* recreate the die/warn hooks */
		813	PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook );
		814	PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook);
693		815
694	GvSV (PL_defgv) = newSV (0);	816	GvSV (PL_defgv) = newSV (0);
695	GvAV (PL_defgv) = coro->args; coro->args = 0;	817	GvAV (PL_defgv) = coro->args; coro->args = 0;
696	GvSV (PL_errgv) = newSV (0);	818	GvSV (PL_errgv) = newSV (0);
697	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);	819	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
698	PL_rs = newSVsv (GvSV (irsgv));	820	PL_rs = newSVsv (GvSV (irsgv));
699	PL_defoutgv = (GV *)SvREFCNT_inc (stdoutgv);	821	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);
700		822
701	{	823	{
702	dSP;	824	dSP;
703	LOGOP myop;	825	LOGOP myop;
704		826
…		…
712	PL_op = (OP *)&myop;	834	PL_op = (OP *)&myop;
713	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	835	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
714	SPAGAIN;	836	SPAGAIN;
715	}	837	}
716		838
717	ENTER; /* necessary e.g. for dounwind and to balance the xsub-entersub */	839	/* this newly created coroutine might be run on an existing cctx which most
		840	* likely was suspended in set_stacklevel, called from entersub.
		841	* set_stacklevl doesn't do anything on return, but entersub does LEAVE,
		842	* so we ENTER here for symmetry
		843	*/
		844	ENTER;
718	}	845	}
719		846
720	static void	847	static void
721	coro_destroy (pTHX_ struct coro *coro)	848	coro_destroy (pTHX_ struct coro *coro)
722	{	849	{
…		…
795	: cx->blk_gimme == G_SCALAR ? bot + 1	922	: cx->blk_gimme == G_SCALAR ? bot + 1
796	: bot;	923	: bot;
797		924
798	av_extend (av, top - bot);	925	av_extend (av, top - bot);
799	while (bot < top)	926	while (bot < top)
800	av_push (av, SvREFCNT_inc (*bot++));	927	av_push (av, SvREFCNT_inc_NN (*bot++));
801		928
802	PL_runops = RUNOPS_DEFAULT;	929	PL_runops = RUNOPS_DEFAULT;
803	ENTER;	930	ENTER;
804	SAVETMPS;	931	SAVETMPS;
805	EXTEND (SP, 3);	932	EXTEND (SP, 3);
806	PUSHMARK (SP);	933	PUSHMARK (SP);
807	PUSHs (&PL_sv_no);	934	PUSHs (&PL_sv_no);
808	PUSHs (fullname);	935	PUSHs (fullname);
809	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));	936	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
810	PUTBACK;	937	PUTBACK;
811	cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_sub_cb"), 0);	938	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
812	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	939	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
813	SPAGAIN;	940	SPAGAIN;
814	FREETMPS;	941	FREETMPS;
815	LEAVE;	942	LEAVE;
816	PL_runops = runops_trace;	943	PL_runops = runops_trace;
…		…
843	SAVETMPS;	970	SAVETMPS;
844	EXTEND (SP, 3);	971	EXTEND (SP, 3);
845	PUSHMARK (SP);	972	PUSHMARK (SP);
846	PUSHs (&PL_sv_yes);	973	PUSHs (&PL_sv_yes);
847	PUSHs (fullname);	974	PUSHs (fullname);
848	PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);	975	PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
849	PUTBACK;	976	PUTBACK;
850	cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_sub_cb"), 0);	977	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
851	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	978	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
852	SPAGAIN;	979	SPAGAIN;
853	FREETMPS;	980	FREETMPS;
854	LEAVE;	981	LEAVE;
855	PL_runops = runops_trace;	982	PL_runops = runops_trace;
…		…
869	PL_runops = RUNOPS_DEFAULT;	996	PL_runops = RUNOPS_DEFAULT;
870	PUSHMARK (SP);	997	PUSHMARK (SP);
871	PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));	998	PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));
872	PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));	999	PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));
873	PUTBACK;	1000	PUTBACK;
874	cb = hv_fetch ((HV *)SvRV (coro_current), strpair ("_trace_line_cb"), 0);	1001	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_line_cb", sizeof ("_trace_line_cb") - 1, 0);
875	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	1002	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
876	SPAGAIN;	1003	SPAGAIN;
877	FREETMPS;	1004	FREETMPS;
878	LEAVE;	1005	LEAVE;
879	PL_runops = runops_trace;	1006	PL_runops = runops_trace;
…		…
1069	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");	1196	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
1070		1197
1071	if (expect_false (next->flags & CF_DESTROYED))	1198	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");	1199	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
1073		1200
1074	if (
1075	#if PERL_VERSION_ATLEAST (5,9,0)	1201	#if !PERL_VERSION_ATLEAST (5,10,0)
1076	expect_false (PL_parser)
1077	#else
1078	expect_false (PL_lex_state != LEX_NOTPARSING)	1202	if (expect_false (PL_lex_state != LEX_NOTPARSING))
1079	#endif
1080	)
1081	croak ("Coro::State::transfer called while parsing, but this is not supported");	1203	croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version");
		1204	#endif
1082	}	1205	}
1083	}	1206	}
1084		1207
1085	/* always use the TRANSFER macro */	1208	/* always use the TRANSFER macro */
1086	static void NOINLINE	1209	static void NOINLINE
1087	transfer (pTHX_ struct coro prev, struct coro next)	1210	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)
1088	{	1211	{
1089	dSTACKLEVEL;	1212	dSTACKLEVEL;
		1213	static volatile int has_throw;
1090		1214
1091	/* sometimes transfer is only called to set idle_sp */	1215	/* sometimes transfer is only called to set idle_sp */
1092	if (expect_false (!next))	1216	if (expect_false (!next))
1093	{	1217	{
1094	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1218	((coro_cctx *)prev)->idle_sp = STACKLEVEL;
…		…
1109	prev->flags &= ~CF_RUNNING;	1233	prev->flags &= ~CF_RUNNING;
1110	next->flags \|= CF_RUNNING;	1234	next->flags \|= CF_RUNNING;
1111		1235
1112	LOCK;	1236	LOCK;
1113		1237
		1238	/* first get rid of the old state */
		1239	save_perl (aTHX_ prev);
		1240
1114	if (expect_false (next->flags & CF_NEW))	1241	if (expect_false (next->flags & CF_NEW))
1115	{	1242	{
1116	/* need to start coroutine */	1243	/* need to start coroutine */
1117	next->flags &= ~CF_NEW;	1244	next->flags &= ~CF_NEW;
1118	/* first get rid of the old state */
1119	save_perl (aTHX_ prev);
1120	/* setup coroutine call */	1245	/* setup coroutine call */
1121	coro_setup (aTHX_ next);	1246	coro_setup (aTHX_ next);
1122	}	1247	}
1123	else	1248	else
1124	{
1125	/* coroutine already started */
1126	save_perl (aTHX_ prev);
1127	load_perl (aTHX_ next);	1249	load_perl (aTHX_ next);
1128	}
1129		1250
1130	prev__cctx = prev->cctx;	1251	prev__cctx = prev->cctx;
1131		1252
1132	/* possibly "free" the cctx */	1253	/* possibly "free" the cctx */
1133	if (expect_true (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE)))	1254	if (expect_true (
		1255	prev__cctx->idle_sp == STACKLEVEL
		1256	&& !(prev__cctx->flags & CC_TRACE)
		1257	&& !force_cctx
		1258	))
1134	{	1259	{
1135	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */	1260	/* 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));	1261	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
1137		1262
1138	prev->cctx = 0;	1263	prev->cctx = 0;
…		…
1148		1273
1149	++next->usecount;	1274	++next->usecount;
1150		1275
1151	if (expect_true (!next->cctx))	1276	if (expect_true (!next->cctx))
1152	next->cctx = cctx_get (aTHX);	1277	next->cctx = cctx_get (aTHX);
		1278
		1279	has_throw = !!next->throw;
1153		1280
1154	if (expect_false (prev__cctx != next->cctx))	1281	if (expect_false (prev__cctx != next->cctx))
1155	{	1282	{
1156	prev__cctx->top_env = PL_top_env;	1283	prev__cctx->top_env = PL_top_env;
1157	PL_top_env = next->cctx->top_env;	1284	PL_top_env = next->cctx->top_env;
…		…
1159	}	1286	}
1160		1287
1161	free_coro_mortal (aTHX);	1288	free_coro_mortal (aTHX);
1162	UNLOCK;	1289	UNLOCK;
1163		1290
1164	if (expect_false (prev->throw \|\| next->throw))	1291	if (expect_false (has_throw))
1165	{	1292	{
1166	struct coro *coro = SvSTATE (coro_current);	1293	struct coro *coro = SvSTATE (coro_current);
1167		1294
1168	if (coro->throw)	1295	if (coro->throw)
1169	{	1296	{
…		…
1179	struct transfer_args	1306	struct transfer_args
1180	{	1307	{
1181	struct coro prev, next;	1308	struct coro prev, next;
1182	};	1309	};
1183		1310
1184	#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)	1311	#define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx))
1185	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)	1312	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
1186		1313
1187	/ high level stuff ******************************************************/	1314	/ high level stuff ******************************************************/
1188		1315
1189	static int	1316	static int
…		…
1283	{	1410	{
1284	dTHX;	1411	dTHX;
1285	struct transfer_args ta;	1412	struct transfer_args ta;
1286		1413
1287	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);	1414	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1288	TRANSFER (ta);	1415	TRANSFER (ta, 1);
1289	}	1416	}
1290		1417
1291	/ Coro ******************************************************************/	1418	/ Coro ******************************************************************/
1292		1419
1293	static void	1420	static void
…		…
1295	{	1422	{
1296	av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv);	1423	av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv);
1297	}	1424	}
1298		1425
1299	static SV *	1426	static SV *
1300	coro_deq (pTHX_ int min_prio)	1427	coro_deq (pTHX)
1301	{	1428	{
1302	int prio = PRIO_MAX - PRIO_MIN;	1429	int prio;
1303		1430
1304	min_prio -= PRIO_MIN;
1305	if (min_prio < 0)
1306	min_prio = 0;
1307
1308	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= min_prio; )	1431	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; )
1309	if (AvFILLp (coro_ready [prio]) >= 0)	1432	if (AvFILLp (coro_ready [prio]) >= 0)
1310	return av_shift (coro_ready [prio]);	1433	return av_shift (coro_ready [prio]);
1311		1434
1312	return 0;	1435	return 0;
1313	}	1436	}
…		…
1315	static int	1438	static int
1316	api_ready (SV *coro_sv)	1439	api_ready (SV *coro_sv)
1317	{	1440	{
1318	dTHX;	1441	dTHX;
1319	struct coro *coro;	1442	struct coro *coro;
		1443	SV *sv_hook;
		1444	void (*xs_hook)(void);
1320		1445
1321	if (SvROK (coro_sv))	1446	if (SvROK (coro_sv))
1322	coro_sv = SvRV (coro_sv);	1447	coro_sv = SvRV (coro_sv);
1323		1448
1324	coro = SvSTATE (coro_sv);	1449	coro = SvSTATE (coro_sv);
…		…
1327	return 0;	1452	return 0;
1328		1453
1329	coro->flags \|= CF_READY;	1454	coro->flags \|= CF_READY;
1330		1455
1331	LOCK;	1456	LOCK;
		1457
		1458	sv_hook = coro_nready ? 0 : coro_readyhook;
		1459	xs_hook = coro_nready ? 0 : coroapi.readyhook;
		1460
1332	coro_enq (aTHX_ SvREFCNT_inc (coro_sv));	1461	coro_enq (aTHX_ SvREFCNT_inc_NN (coro_sv));
1333	++coro_nready;	1462	++coro_nready;
		1463
1334	UNLOCK;	1464	UNLOCK;
		1465
		1466	if (sv_hook)
		1467	{
		1468	dSP;
		1469
		1470	ENTER;
		1471	SAVETMPS;
		1472
		1473	PUSHMARK (SP);
		1474	PUTBACK;
		1475	call_sv (sv_hook, G_DISCARD);
		1476	SPAGAIN;
		1477
		1478	FREETMPS;
		1479	LEAVE;
		1480	}
		1481
		1482	if (xs_hook)
		1483	xs_hook ();
1335		1484
1336	return 1;	1485	return 1;
1337	}	1486	}
1338		1487
1339	static int	1488	static int
…		…
1349	SV prev_sv, next_sv;	1498	SV prev_sv, next_sv;
1350		1499
1351	for (;;)	1500	for (;;)
1352	{	1501	{
1353	LOCK;	1502	LOCK;
1354	next_sv = coro_deq (aTHX_ PRIO_MIN);	1503	next_sv = coro_deq (aTHX);
1355		1504
1356	/* nothing to schedule: call the idle handler */	1505	/* nothing to schedule: call the idle handler */
1357	if (expect_false (!next_sv))	1506	if (expect_false (!next_sv))
1358	{	1507	{
1359	dSP;	1508	dSP;
…		…
1363	SAVETMPS;	1512	SAVETMPS;
1364		1513
1365	PUSHMARK (SP);	1514	PUSHMARK (SP);
1366	PUTBACK;	1515	PUTBACK;
1367	call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD);	1516	call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD);
		1517	SPAGAIN;
1368		1518
1369	FREETMPS;	1519	FREETMPS;
1370	LEAVE;	1520	LEAVE;
1371	continue;	1521	continue;
1372	}	1522	}
…		…
1427	{	1577	{
1428	dTHX;	1578	dTHX;
1429	struct transfer_args ta;	1579	struct transfer_args ta;
1430		1580
1431	prepare_schedule (aTHX_ &ta);	1581	prepare_schedule (aTHX_ &ta);
1432	TRANSFER (ta);	1582	TRANSFER (ta, 1);
1433	}	1583	}
1434		1584
1435	static int	1585	static int
1436	api_cede (void)	1586	api_cede (void)
1437	{	1587	{
…		…
1440		1590
1441	prepare_cede (aTHX_ &ta);	1591	prepare_cede (aTHX_ &ta);
1442		1592
1443	if (expect_true (ta.prev != ta.next))	1593	if (expect_true (ta.prev != ta.next))
1444	{	1594	{
1445	TRANSFER (ta);	1595	TRANSFER (ta, 1);
1446	return 1;	1596	return 1;
1447	}	1597	}
1448	else	1598	else
1449	return 0;	1599	return 0;
1450	}	1600	}
…		…
1455	dTHX;	1605	dTHX;
1456	struct transfer_args ta;	1606	struct transfer_args ta;
1457		1607
1458	if (prepare_cede_notself (aTHX_ &ta))	1608	if (prepare_cede_notself (aTHX_ &ta))
1459	{	1609	{
1460	TRANSFER (ta);	1610	TRANSFER (ta, 1);
1461	return 1;	1611	return 1;
1462	}	1612	}
1463	else	1613	else
1464	return 0;	1614	return 0;
1465	}	1615	}
…		…
1488	else	1638	else
1489	coro->slot->runops = RUNOPS_DEFAULT;	1639	coro->slot->runops = RUNOPS_DEFAULT;
1490	}	1640	}
1491	}	1641	}
1492		1642
		1643	static int
		1644	coro_gensub_free (pTHX_ SV sv, MAGIC mg)
		1645	{
		1646	AV *padlist;
		1647	AV av = (AV )mg->mg_obj;
		1648
		1649	abort ();
		1650
		1651	return 0;
		1652	}
		1653
		1654	static MGVTBL coro_gensub_vtbl = {
		1655	0, 0, 0, 0,
		1656	coro_gensub_free
		1657	};
		1658
		1659	/*****************************************************************************/
		1660	/* PerlIO::cede */
		1661
		1662	typedef struct
		1663	{
		1664	PerlIOBuf base;
		1665	NV next, every;
		1666	} PerlIOCede;
		1667
		1668	static IV
		1669	PerlIOCede_pushed (pTHX_ PerlIO f, const char mode, SV arg, PerlIO_funcs tab)
		1670	{
		1671	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1672
		1673	self->every = SvCUR (arg) ? SvNV (arg) : 0.01;
		1674	self->next = nvtime () + self->every;
		1675
		1676	return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab);
		1677	}
		1678
		1679	static SV *
		1680	PerlIOCede_getarg (pTHX_ PerlIO f, CLONE_PARAMS param, int flags)
		1681	{
		1682	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1683
		1684	return newSVnv (self->every);
		1685	}
		1686
		1687	static IV
		1688	PerlIOCede_flush (pTHX_ PerlIO *f)
		1689	{
		1690	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1691	double now = nvtime ();
		1692
		1693	if (now >= self->next)
		1694	{
		1695	api_cede ();
		1696	self->next = now + self->every;
		1697	}
		1698
		1699	return PerlIOBuf_flush (aTHX_ f);
		1700	}
		1701
		1702	static PerlIO_funcs PerlIO_cede =
		1703	{
		1704	sizeof(PerlIO_funcs),
		1705	"cede",
		1706	sizeof(PerlIOCede),
		1707	PERLIO_K_DESTRUCT \| PERLIO_K_RAW,
		1708	PerlIOCede_pushed,
		1709	PerlIOBuf_popped,
		1710	PerlIOBuf_open,
		1711	PerlIOBase_binmode,
		1712	PerlIOCede_getarg,
		1713	PerlIOBase_fileno,
		1714	PerlIOBuf_dup,
		1715	PerlIOBuf_read,
		1716	PerlIOBuf_unread,
		1717	PerlIOBuf_write,
		1718	PerlIOBuf_seek,
		1719	PerlIOBuf_tell,
		1720	PerlIOBuf_close,
		1721	PerlIOCede_flush,
		1722	PerlIOBuf_fill,
		1723	PerlIOBase_eof,
		1724	PerlIOBase_error,
		1725	PerlIOBase_clearerr,
		1726	PerlIOBase_setlinebuf,
		1727	PerlIOBuf_get_base,
		1728	PerlIOBuf_bufsiz,
		1729	PerlIOBuf_get_ptr,
		1730	PerlIOBuf_get_cnt,
		1731	PerlIOBuf_set_ptrcnt,
		1732	};
		1733
		1734
1493	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	1735	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1494		1736
1495	PROTOTYPES: DISABLE	1737	PROTOTYPES: DISABLE
1496		1738
1497	BOOT:	1739	BOOT:
…		…
1502	BOOT_PAGESIZE;	1744	BOOT_PAGESIZE;
1503		1745
1504	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);	1746	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
1505	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);	1747	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
1506		1748
		1749	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;
		1750	orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;
		1751	orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr;
		1752
1507	hv_sig = coro_get_hv ("SIG", TRUE);	1753	hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);
1508	sv_diehook = coro_get_sv ("Coro::State::DIEHOOK" , TRUE);	1754	rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));
1509	sv_warnhook = coro_get_sv ("Coro::State::WARNHOOK", TRUE);	1755	rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));
1510
1511	if (!PL_diehook ) hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0);
1512	if (!PL_warnhook) hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0);
1513		1756
1514	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	1757	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1515		1758
1516	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));	1759	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1517	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));	1760	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
…		…
1522	main_top_env = PL_top_env;	1765	main_top_env = PL_top_env;
1523		1766
1524	while (main_top_env->je_prev)	1767	while (main_top_env->je_prev)
1525	main_top_env = main_top_env->je_prev;	1768	main_top_env = main_top_env->je_prev;
1526		1769
1527	coroapi.ver = CORO_API_VERSION;	1770	coroapi.ver = CORO_API_VERSION;
		1771	coroapi.rev = CORO_API_REVISION;
1528	coroapi.transfer = api_transfer;	1772	coroapi.transfer = api_transfer;
		1773
		1774	{
		1775	SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0);
		1776
		1777	if (!svp) croak ("Time::HiRes is required");
		1778	if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");
		1779
		1780	nvtime = INT2PTR (double ()(), SvIV (svp));
		1781	}
1529		1782
1530	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	1783	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
1531	}	1784	}
1532		1785
1533	SV *	1786	SV *
1534	new (char *klass, ...)	1787	new (char *klass, ...)
1535	CODE:	1788	CODE:
1536	{	1789	{
1537	struct coro *coro;	1790	struct coro *coro;
		1791	MAGIC *mg;
1538	HV *hv;	1792	HV *hv;
1539	int i;	1793	int i;
1540		1794
1541	Newz (0, coro, 1, struct coro);	1795	Newz (0, coro, 1, struct coro);
1542	coro->args = newAV ();	1796	coro->args = newAV ();
…		…
1545	if (coro_first) coro_first->prev = coro;	1799	if (coro_first) coro_first->prev = coro;
1546	coro->next = coro_first;	1800	coro->next = coro_first;
1547	coro_first = coro;	1801	coro_first = coro;
1548		1802
1549	coro->hv = hv = newHV ();	1803	coro->hv = hv = newHV ();
1550	sv_magicext ((SV )hv, 0, PERL_MAGIC_ext, &coro_state_vtbl, (char )coro, 0)->mg_flags \|= MGf_DUP;	1804	mg = sv_magicext ((SV )hv, 0, CORO_MAGIC_type_state, &coro_state_vtbl, (char )coro, 0);
		1805	mg->mg_flags \|= MGf_DUP;
1551	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	1806	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1552		1807
1553	av_extend (coro->args, items - 1);	1808	av_extend (coro->args, items - 1);
1554	for (i = 1; i < items; i++)	1809	for (i = 1; i < items; i++)
1555	av_push (coro->args, newSVsv (ST (i)));	1810	av_push (coro->args, newSVsv (ST (i)));
…		…
1561	# function to increase chances that they all will call transfer with the same	1816	# function to increase chances that they all will call transfer with the same
1562	# stack offset	1817	# stack offset
1563	void	1818	void
1564	_set_stacklevel (...)	1819	_set_stacklevel (...)
1565	ALIAS:	1820	ALIAS:
1566	Coro::State::transfer = 1	1821	Coro::State::transfer = 1
1567	Coro::schedule = 2	1822	Coro::schedule = 2
1568	Coro::cede = 3	1823	Coro::cede = 3
1569	Coro::cede_notself = 4	1824	Coro::cede_notself = 4
1570	Coro::Event::next = 5
1571	Coro::Event::next_cancel = 6
1572	PPCODE:	1825	CODE:
1573	{	1826	{
1574	struct transfer_args ta;	1827	struct transfer_args ta;
1575	int repeat = 0;
1576		1828
1577	do	1829	PUTBACK;
		1830	switch (ix)
1578	{	1831	{
1579	switch (ix)
1580	{
1581	case 0:	1832	case 0:
1582	ta.prev = (struct coro )INT2PTR (coro_cctx , SvIV (ST (0)));	1833	ta.prev = (struct coro )INT2PTR (coro_cctx , SvIV (ST (0)));
1583	ta.next = 0;	1834	ta.next = 0;
1584	break;	1835	break;
1585		1836
1586	case 1:	1837	case 1:
1587	if (items != 2)	1838	if (items != 2)
1588	croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items);	1839	croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items);
1589		1840
1590	prepare_transfer (aTHX_ &ta, ST (0), ST (1));	1841	prepare_transfer (aTHX_ &ta, ST (0), ST (1));
1591	break;	1842	break;
1592		1843
1593	case 2:	1844	case 2:
1594	prepare_schedule (aTHX_ &ta);	1845	prepare_schedule (aTHX_ &ta);
1595	break;	1846	break;
1596		1847
1597	case 3:	1848	case 3:
1598	prepare_cede (aTHX_ &ta);	1849	prepare_cede (aTHX_ &ta);
1599	break;	1850	break;
1600		1851
1601	case 4:	1852	case 4:
1602	if (!prepare_cede_notself (aTHX_ &ta))	1853	if (!prepare_cede_notself (aTHX_ &ta))
1603	XSRETURN_EMPTY;	1854	XSRETURN_EMPTY;
1604		1855
1605	break;	1856	break;
1606
1607	case 5:
1608	case 6:
1609	if (items != 1)
1610	croak ("Coro::Event::next (watcher) expects one argument, not %d", items);
1611
1612	{
1613	SV *ev = coroapi.coro_event_next (ST (0), ix == 6, GIMME_V != G_VOID);
1614
1615	if (ev)
1616	{
1617	if (GIMME_V != G_VOID)
1618	{
1619	XPUSHs (ev);
1620	XSRETURN (1);
1621	}
1622	else
1623	XSRETURN_EMPTY;
1624	}
1625	}
1626
1627	prepare_schedule (aTHX_ &ta);
1628	repeat = 1;
1629	break;
1630	}
1631
1632	BARRIER;
1633	TRANSFER (ta);
1634	BARRIER;
1635	}	1857	}
1636	while (repeat);	1858	SPAGAIN;
1637		1859
1638	if (expect_false (GIMME_V != G_VOID && ta.next != ta.prev))	1860	BARRIER;
1639	XSRETURN_YES;	1861	PUTBACK;
		1862	TRANSFER (ta, 0);
		1863	SPAGAIN; /* might be the sp of a different coroutine now */
		1864	/* be extra careful not to ever do anything after TRANSFER */
1640	}	1865	}
1641		1866
1642	bool	1867	bool
1643	_destroy (SV *coro_sv)	1868	_destroy (SV *coro_sv)
1644	CODE:	1869	CODE:
1645	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));	1870	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));
1646	OUTPUT:	1871	OUTPUT:
1647	RETVAL	1872	RETVAL
1648		1873
1649	void	1874	void
1650	_exit (code)	1875	_exit (int code)
1651	int code
1652	PROTOTYPE: $	1876	PROTOTYPE: $
1653	CODE:	1877	CODE:
1654	_exit (code);	1878	_exit (code);
1655		1879
1656	int	1880	int
…		…
1690	call (Coro::State coro, SV *coderef)	1914	call (Coro::State coro, SV *coderef)
1691	ALIAS:	1915	ALIAS:
1692	eval = 1	1916	eval = 1
1693	CODE:	1917	CODE:
1694	{	1918	{
1695	if (coro->mainstack)	1919	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))
1696	{	1920	{
1697	struct coro temp;	1921	struct coro temp;
1698		1922
1699	if (!(coro->flags & CF_RUNNING))	1923	if (!(coro->flags & CF_RUNNING))
1700	{	1924	{
		1925	PUTBACK;
1701	save_perl (aTHX_ &temp);	1926	save_perl (aTHX_ &temp);
1702	load_perl (aTHX_ coro);	1927	load_perl (aTHX_ coro);
1703	}	1928	}
1704		1929
1705	{	1930	{
1706	dSP;	1931	dSP;
1707	ENTER;	1932	ENTER;
1708	SAVETMPS;	1933	SAVETMPS;
		1934	PUTBACK;
		1935	PUSHSTACK;
1709	PUSHMARK (SP);	1936	PUSHMARK (SP);
1710	PUTBACK;
1711		1937
1712	if (ix)	1938	if (ix)
1713	eval_sv (coderef, 0);	1939	eval_sv (coderef, 0);
1714	else	1940	else
1715	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	1941	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
1716		1942
		1943	POPSTACK;
1717	SPAGAIN;	1944	SPAGAIN;
1718	FREETMPS;	1945	FREETMPS;
1719	LEAVE;	1946	LEAVE;
1720	PUTBACK;	1947	PUTBACK;
1721	}	1948	}
1722		1949
1723	if (!(coro->flags & CF_RUNNING))	1950	if (!(coro->flags & CF_RUNNING))
1724	{	1951	{
1725	save_perl (aTHX_ coro);	1952	save_perl (aTHX_ coro);
1726	load_perl (aTHX_ &temp);	1953	load_perl (aTHX_ &temp);
		1954	SPAGAIN;
1727	}	1955	}
1728	}	1956	}
1729	}	1957	}
1730		1958
1731	SV *	1959	SV *
…		…
1743		1971
1744	void	1972	void
1745	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)	1973	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)
1746		1974
1747	SV *	1975	SV *
1748	has_stack (Coro::State coro)	1976	has_cctx (Coro::State coro)
1749	PROTOTYPE: $	1977	PROTOTYPE: $
1750	CODE:	1978	CODE:
1751	RETVAL = boolSV (!!coro->cctx);	1979	RETVAL = boolSV (!!coro->cctx);
1752	OUTPUT:	1980	OUTPUT:
1753	RETVAL	1981	RETVAL
…		…
1772	case 1: RETVAL = coro->usecount; break;	2000	case 1: RETVAL = coro->usecount; break;
1773	}	2001	}
1774	OUTPUT:	2002	OUTPUT:
1775	RETVAL	2003	RETVAL
1776		2004
		2005	void
		2006	force_cctx ()
		2007	CODE:
		2008	struct coro *coro = SvSTATE (coro_current);
		2009	coro->cctx->idle_sp = 0;
		2010
		2011	void
		2012	throw (Coro::State self, SV *throw = &PL_sv_undef)
		2013	PROTOTYPE: $;$
		2014	CODE:
		2015	SvREFCNT_dec (self->throw);
		2016	self->throw = SvOK (throw) ? newSVsv (throw) : 0;
		2017
		2018	void
		2019	swap_defsv (Coro::State self)
		2020	PROTOTYPE: $
		2021	ALIAS:
		2022	swap_defav = 1
		2023	CODE:
		2024	if (!self->slot)
		2025	croak ("cannot swap state with coroutine that has no saved state");
		2026	else
		2027	{
		2028	SV src = ix ? (SV )&GvAV (PL_defgv) : &GvSV (PL_defgv);
		2029	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;
		2030
		2031	SV tmp = src; src = dst; *dst = tmp;
		2032	}
1777		2033
1778	MODULE = Coro::State PACKAGE = Coro	2034	MODULE = Coro::State PACKAGE = Coro
1779		2035
1780	BOOT:	2036	BOOT:
1781	{	2037	{
1782	int i;	2038	int i;
1783		2039
1784	sv_pool_rss = coro_get_sv ("Coro::POOL_RSS" , TRUE);
1785	sv_pool_size = coro_get_sv ("Coro::POOL_SIZE" , TRUE);
1786	av_async_pool = coro_get_av ("Coro::async_pool", TRUE);	2040	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
		2041	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
		2042	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
1787		2043
1788	coro_current = coro_get_sv ("Coro::current", FALSE);	2044	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);
1789	SvREADONLY_on (coro_current);	2045	SvREADONLY_on (coro_current);
1790		2046
1791	coro_stash = gv_stashpv ("Coro", TRUE);	2047	coro_stash = gv_stashpv ("Coro", TRUE);
1792		2048
1793	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	2049	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
…		…
1821	void	2077	void
1822	_set_current (SV *current)	2078	_set_current (SV *current)
1823	PROTOTYPE: $	2079	PROTOTYPE: $
1824	CODE:	2080	CODE:
1825	SvREFCNT_dec (SvRV (coro_current));	2081	SvREFCNT_dec (SvRV (coro_current));
1826	SvRV_set (coro_current, SvREFCNT_inc (SvRV (current)));	2082	SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));
		2083
		2084	void
		2085	_set_readyhook (SV *hook)
		2086	PROTOTYPE: $
		2087	CODE:
		2088	LOCK;
		2089	SvREFCNT_dec (coro_readyhook);
		2090	coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;
		2091	UNLOCK;
1827		2092
1828	int	2093	int
1829	prio (Coro::State coro, int newprio = 0)	2094	prio (Coro::State coro, int newprio = 0)
1830	ALIAS:	2095	ALIAS:
1831	nice = 1	2096	nice = 1
…		…
1861	CODE:	2126	CODE:
1862	RETVAL = coro_nready;	2127	RETVAL = coro_nready;
1863	OUTPUT:	2128	OUTPUT:
1864	RETVAL	2129	RETVAL
1865		2130
1866	void
1867	throw (Coro::State self, SV *throw = &PL_sv_undef)
1868	PROTOTYPE: $;$
1869	CODE:
1870	SvREFCNT_dec (self->throw);
1871	self->throw = SvOK (throw) ? newSVsv (throw) : 0;
1872
1873	# for async_pool speedup	2131	# for async_pool speedup
1874	void	2132	void
1875	_pool_1 (SV *cb)	2133	_pool_1 (SV *cb)
1876	CODE:	2134	CODE:
1877	{	2135	{
1878	struct coro *coro = SvSTATE (coro_current);	2136	struct coro *coro = SvSTATE (coro_current);
1879	HV hv = (HV )SvRV (coro_current);	2137	HV hv = (HV )SvRV (coro_current);
1880	AV *defav = GvAV (PL_defgv);	2138	AV *defav = GvAV (PL_defgv);
1881	SV *invoke = hv_delete (hv, strpair ("_invoke"), 0);	2139	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
1882	AV *invoke_av;	2140	AV *invoke_av;
1883	int i, len;	2141	int i, len;
1884		2142
1885	if (!invoke)	2143	if (!invoke)
		2144	{
		2145	SV *old = PL_diehook;
		2146	PL_diehook = 0;
		2147	SvREFCNT_dec (old);
1886	croak ("\3async_pool terminate\2\n");	2148	croak ("\3async_pool terminate\2\n");
		2149	}
1887		2150
1888	SvREFCNT_dec (coro->saved_deffh);	2151	SvREFCNT_dec (coro->saved_deffh);
1889	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);	2152	coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv);
1890		2153
1891	hv_store (hv, "desc", sizeof ("desc") - 1,	2154	hv_store (hv, "desc", sizeof ("desc") - 1,
1892	newSVpvn (strpair ("[async_pool]")), 0);	2155	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
1893		2156
1894	invoke_av = (AV *)SvRV (invoke);	2157	invoke_av = (AV *)SvRV (invoke);
1895	len = av_len (invoke_av);	2158	len = av_len (invoke_av);
1896		2159
1897	sv_setsv (cb, AvARRAY (invoke_av)[0]);	2160	sv_setsv (cb, AvARRAY (invoke_av)[0]);
1898		2161
1899	if (len > 0)	2162	if (len > 0)
1900	{	2163	{
1901	av_fill (defav, len - 1);	2164	av_fill (defav, len - 1);
1902	for (i = 0; i < len; ++i)	2165	for (i = 0; i < len; ++i)
1903	av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1]));	2166	av_store (defav, i, SvREFCNT_inc_NN (AvARRAY (invoke_av)[i + 1]));
1904	}	2167	}
1905		2168
1906	SvREFCNT_dec (invoke);	2169	SvREFCNT_dec (invoke);
1907	}	2170	}
1908		2171
…		…
1917	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;	2180	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;
1918	coro->saved_deffh = 0;	2181	coro->saved_deffh = 0;
1919		2182
1920	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)	2183	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1921	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))	2184	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
		2185	{
		2186	SV *old = PL_diehook;
		2187	PL_diehook = 0;
		2188	SvREFCNT_dec (old);
1922	croak ("\3async_pool terminate\2\n");	2189	croak ("\3async_pool terminate\2\n");
		2190	}
1923		2191
1924	av_clear (GvAV (PL_defgv));	2192	av_clear (GvAV (PL_defgv));
1925	hv_store ((HV *)SvRV (coro_current), strpair ("desc"),	2193	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
1926	newSVpvn (strpair ("[async_pool idle]")), 0);	2194	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
1927		2195
1928	coro->prio = 0;	2196	coro->prio = 0;
1929		2197
1930	if (coro->cctx && (coro->cctx->flags & CC_TRACE))	2198	if (coro->cctx && (coro->cctx->flags & CC_TRACE))
1931	api_trace (coro_current, 0);	2199	api_trace (coro_current, 0);
1932		2200
1933	av_push (av_async_pool, newSVsv (coro_current));	2201	av_push (av_async_pool, newSVsv (coro_current));
1934	}	2202	}
1935		2203
		2204	#if 0
		2205
		2206	void
		2207	_generator_call (...)
		2208	PROTOTYPE: @
		2209	PPCODE:
		2210	fprintf (stderr, "call %p\n", CvXSUBANY(cv).any_ptr);
		2211	xxxx
		2212	abort ();
		2213
		2214	SV *
		2215	gensub (SV *sub, ...)
		2216	PROTOTYPE: &;@
		2217	CODE:
		2218	{
		2219	struct coro *coro;
		2220	MAGIC *mg;
		2221	CV *xcv;
		2222	CV ncv = (CV )newSV_type (SVt_PVCV);
		2223	int i;
		2224
		2225	CvGV (ncv) = CvGV (cv);
		2226	CvFILE (ncv) = CvFILE (cv);
		2227
		2228	Newz (0, coro, 1, struct coro);
		2229	coro->args = newAV ();
		2230	coro->flags = CF_NEW;
		2231
		2232	av_extend (coro->args, items - 1);
		2233	for (i = 1; i < items; i++)
		2234	av_push (coro->args, newSVsv (ST (i)));
		2235
		2236	CvISXSUB_on (ncv);
		2237	CvXSUBANY (ncv).any_ptr = (void *)coro;
		2238
		2239	xcv = GvCV (gv_fetchpv ("Coro::_generator_call", 0, SVt_PVCV));
		2240
		2241	CvXSUB (ncv) = CvXSUB (xcv);
		2242	CvANON_on (ncv);
		2243
		2244	mg = sv_magicext ((SV )ncv, 0, CORO_MAGIC_type_state, &coro_gensub_vtbl, (char )coro, 0);
		2245	RETVAL = newRV_noinc ((SV *)ncv);
		2246	}
		2247	OUTPUT:
		2248	RETVAL
		2249
		2250	#endif
		2251
1936		2252
1937	MODULE = Coro::State PACKAGE = Coro::AIO	2253	MODULE = Coro::State PACKAGE = Coro::AIO
1938		2254
1939	SV *	2255	void
1940	_get_state ()	2256	_get_state (SV *self)
1941	CODE:	2257	PPCODE:
1942	{	2258	{
1943	struct io_state *data;	2259	AV *defav = GvAV (PL_defgv);
1944		2260	AV *av = newAV ();
		2261	int i;
1945	RETVAL = newSV (sizeof (struct io_state));	2262	SV *data_sv = newSV (sizeof (struct io_state));
1946	data = (struct io_state *)SvPVX (RETVAL);	2263	struct io_state data = (struct io_state )SvPVX (data_sv);
1947	SvCUR_set (RETVAL, sizeof (struct io_state));	2264	SvCUR_set (data_sv, sizeof (struct io_state));
1948	SvPOK_only (RETVAL);	2265	SvPOK_only (data_sv);
1949		2266
1950	data->errorno = errno;	2267	data->errorno = errno;
1951	data->laststype = PL_laststype;	2268	data->laststype = PL_laststype;
1952	data->laststatval = PL_laststatval;	2269	data->laststatval = PL_laststatval;
1953	data->statcache = PL_statcache;	2270	data->statcache = PL_statcache;
		2271
		2272	av_extend (av, AvFILLp (defav) + 1 + 1);
		2273
		2274	for (i = 0; i <= AvFILLp (defav); ++i)
		2275	av_push (av, SvREFCNT_inc_NN (AvARRAY (defav)[i]));
		2276
		2277	av_push (av, data_sv);
		2278
		2279	XPUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		2280
		2281	api_ready (self);
1954	}	2282	}
1955	OUTPUT:
1956	RETVAL
1957		2283
1958	void	2284	void
1959	_set_state (char *data_)	2285	_set_state (SV *state)
1960	PROTOTYPE: $	2286	PROTOTYPE: $
1961	CODE:	2287	PPCODE:
1962	{	2288	{
1963	struct io_state data = (void )data_;	2289	AV av = (AV )SvRV (state);
		2290	struct io_state data = (struct io_state )SvPVX (AvARRAY (av)[AvFILLp (av)]);
		2291	int i;
1964		2292
1965	errno = data->errorno;	2293	errno = data->errorno;
1966	PL_laststype = data->laststype;	2294	PL_laststype = data->laststype;
1967	PL_laststatval = data->laststatval;	2295	PL_laststatval = data->laststatval;
1968	PL_statcache = data->statcache;	2296	PL_statcache = data->statcache;
1969	}
1970		2297
		2298	EXTEND (SP, AvFILLp (av));
		2299	for (i = 0; i < AvFILLp (av); ++i)
		2300	PUSHs (sv_2mortal (SvREFCNT_inc_NN (AvARRAY (av)[i])));
		2301	}
		2302
		2303
		2304	MODULE = Coro::State PACKAGE = Coro::AnyEvent
		2305
		2306	BOOT:
		2307	sv_activity = coro_get_sv (aTHX_ "Coro::AnyEvent::ACTIVITY", TRUE);
		2308
		2309	SV *
		2310	_schedule (...)
		2311	PROTOTYPE: @
		2312	CODE:
		2313	{
		2314	static int incede;
		2315
		2316	api_cede_notself ();
		2317
		2318	++incede;
		2319	while (coro_nready >= incede && api_cede ())
		2320	;
		2321
		2322	sv_setsv (sv_activity, &PL_sv_undef);
		2323	if (coro_nready >= incede)
		2324	{
		2325	PUSHMARK (SP);
		2326	PUTBACK;
		2327	call_pv ("Coro::AnyEvent::_activity", G_DISCARD \| G_EVAL);
		2328	SPAGAIN;
		2329	}
		2330
		2331	--incede;
		2332	}
		2333
		2334
		2335	MODULE = Coro::State PACKAGE = PerlIO::cede
		2336
		2337	BOOT:
		2338	PerlIO_define_layer (aTHX_ &PerlIO_cede);

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Comparing Coro/Coro/State.xs (file contents): Revision 1.207 by root, Tue Oct 9 22:29:27 2007 UTC vs. Revision 1.251 by root, Thu Oct 30 09:44:31 2008 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.207 by root, Tue Oct 9 22:29:27 2007 UTC vs.
Revision 1.251 by root, Thu Oct 30 09:44:31 2008 UTC