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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.209 by root, Wed Oct 10 02:58:17 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
15	#include <inttypes.h> /* portable stdint.h */	23	# include <inttypes.h> /* most portable stdint.h */
		24	#endif
16		25
17	#ifdef HAVE_MMAP	26	#ifdef HAVE_MMAP
18	# include <unistd.h>	27	# include <unistd.h>
19	# include <sys/mman.h>	28	# include <sys/mman.h>
20	# ifndef MAP_ANONYMOUS	29	# ifndef MAP_ANONYMOUS
…		…
72	# ifndef IS_PADCONST	81	# ifndef IS_PADCONST
73	# define IS_PADCONST(v) 0	82	# define IS_PADCONST(v) 0
74	# endif	83	# endif
75	#endif	84	#endif
76		85
		86	/* 5.8.8 */
		87	#ifndef GV_NOTQUAL
		88	# define GV_NOTQUAL 0
		89	#endif
		90	#ifndef newSV
		91	# define newSV(l) NEWSV(0,l)
		92	#endif
		93
		94	/* 5.11 */
		95	#ifndef CxHASARGS
		96	# define CxHASARGS(cx) (cx)->blk_sub.hasargs
		97	#endif
		98
77	/* 5.8.7 */	99	/* 5.8.7 */
78	#ifndef SvRV_set	100	#ifndef SvRV_set
79	# define SvRV_set(s,v) SvRV(s) = (v)	101	# define SvRV_set(s,v) SvRV(s) = (v)
80	#endif
81
82	/* 5.8.8 */
83	#ifndef GV_NOTQUAL
84	# define GV_NOTQUAL 0
85	#endif
86	#ifndef newSV
87	# define newSV(l) NEWSV(0,l)
88	#endif	102	#endif
89		103
90	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64	104	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64
91	# undef CORO_STACKGUARD	105	# undef CORO_STACKGUARD
92	#endif	106	#endif
…		…
131	#else	145	#else
132	# define LOCK (void)0	146	# define LOCK (void)0
133	# define UNLOCK (void)0	147	# define UNLOCK (void)0
134	#endif	148	#endif
135		149
136	#define strpair(const) const, sizeof (const) - 1
137
138	/* helper storage struct for Coro::AIO */	150	/* helper storage struct for Coro::AIO */
139	struct io_state	151	struct io_state
140	{	152	{
141	int errorno;	153	int errorno;
142	I32 laststype;	154	I32 laststype;
143	int laststatval;	155	int laststatval;
144	Stat_t statcache;	156	Stat_t statcache;
145	};	157	};
146		158
		159	static double (nvtime)(); / so why doesn't it take void? */
		160
147	static size_t coro_stacksize = CORO_STACKSIZE;	161	static size_t coro_stacksize = CORO_STACKSIZE;
148	static struct CoroAPI coroapi;	162	static struct CoroAPI coroapi;
149	static AV main_mainstack; / used to differentiate between $main and others */	163	static AV main_mainstack; / used to differentiate between $main and others */
150	static JMPENV *main_top_env;	164	static JMPENV *main_top_env;
151	static HV coro_state_stash, coro_stash;	165	static HV coro_state_stash, coro_stash;
152	static SV coro_mortal; / will be freed after next transfer */	166	static volatile SV coro_mortal; / will be freed after next transfer */
153		167
154	static GV irsgv; / $/ */	168	static GV irsgv; / $/ */
155	static GV stdoutgv; / STDOUT /	169	static GV stdoutgv; / STDOUT /
156		170	static SV *rv_diehook;
		171	static SV *rv_warnhook;
157	static HV hv_sig; / %SIG */	172	static HV hv_sig; / %SIG */
158	static SV *sv_diehook;
159	static SV *sv_warnhook;
160		173
161	/* async_pool helper stuff */	174	/* async_pool helper stuff */
162	static SV *sv_pool_rss;	175	static SV *sv_pool_rss;
163	static SV *sv_pool_size;	176	static SV *sv_pool_size;
164	static AV *av_async_pool;	177	static AV *av_async_pool;
165		178
166	static struct coro_cctx cctx_first[3]; / index by GIMME_V type, void, scalar, array */	179	/* Coro::AnyEvent */
		180	static SV *sv_activity;
		181
		182	static struct coro_cctx *cctx_first;
167	static int cctx_count, cctx_idle[3];	183	static int cctx_count, cctx_idle;
168		184
169	enum {	185	enum {
170	CC_MAPPED = 0x01,	186	CC_MAPPED = 0x01,
171	CC_NOREUSE = 0x02, /* throw this away after tracing */	187	CC_NOREUSE = 0x02, /* throw this away after tracing */
172	CC_TRACE = 0x04,	188	CC_TRACE = 0x04,
…		…
217		233
218	/* this is a structure representing a perl-level coroutine */	234	/* this is a structure representing a perl-level coroutine */
219	struct coro {	235	struct coro {
220	/* the c coroutine allocated to this perl coroutine, if any */	236	/* the c coroutine allocated to this perl coroutine, if any */
221	coro_cctx *cctx;	237	coro_cctx *cctx;
222	int gimme;
223		238
224	/* process data */	239	/* process data */
225	AV *mainstack;	240	AV *mainstack;
226	perl_slots slot; / basically the saved sp */	241	perl_slots slot; / basically the saved sp */
227		242
…		…
256	#define PRIO_IDLE -3	271	#define PRIO_IDLE -3
257	#define PRIO_MIN -4	272	#define PRIO_MIN -4
258		273
259	/* for Coro.pm */	274	/* for Coro.pm */
260	static SV *coro_current;	275	static SV *coro_current;
		276	static SV *coro_readyhook;
261	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];	277	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
262	static int coro_nready;	278	static int coro_nready;
263	static struct coro *coro_first;	279	static struct coro *coro_first;
264		280
265	/ lowlevel stuff ********************************************************/	281	/ lowlevel stuff ********************************************************/
266		282
267	static SV *	283	static SV *
268	coro_get_sv (const char *name, int create)	284	coro_get_sv (pTHX_ const char *name, int create)
269	{	285	{
270	#if PERL_VERSION_ATLEAST (5,9,0)	286	#if PERL_VERSION_ATLEAST (5,10,0)
271	/* 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 */
272	get_sv (name, create);	288	get_sv (name, create);
273	#endif	289	#endif
274	return get_sv (name, create);	290	return get_sv (name, create);
275	}	291	}
276		292
277	static AV *	293	static AV *
278	coro_get_av (const char *name, int create)	294	coro_get_av (pTHX_ const char *name, int create)
279	{	295	{
280	#if PERL_VERSION_ATLEAST (5,9,0)	296	#if PERL_VERSION_ATLEAST (5,10,0)
281	/* 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 */
282	get_av (name, create);	298	get_av (name, create);
283	#endif	299	#endif
284	return get_av (name, create);	300	return get_av (name, create);
285	}	301	}
286		302
287	static HV *	303	static HV *
288	coro_get_hv (const char *name, int create)	304	coro_get_hv (pTHX_ const char *name, int create)
289	{	305	{
290	#if PERL_VERSION_ATLEAST (5,9,0)	306	#if PERL_VERSION_ATLEAST (5,10,0)
291	/* 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 */
292	get_hv (name, create);	308	get_hv (name, create);
293	#endif	309	#endif
294	return get_hv (name, create);	310	return get_hv (name, create);
295	}	311	}
…		…
300	AV *padlist = CvPADLIST (cv);	316	AV *padlist = CvPADLIST (cv);
301	AV newpadlist, newpad;	317	AV newpadlist, newpad;
302		318
303	newpadlist = newAV ();	319	newpadlist = newAV ();
304	AvREAL_off (newpadlist);	320	AvREAL_off (newpadlist);
305	#if PERL_VERSION_ATLEAST (5,9,0)	321	#if PERL_VERSION_ATLEAST (5,10,0)
306	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);	322	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);
307	#else	323	#else
308	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);	324	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
309	#endif	325	#endif
310	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];	326	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
…		…
348		364
349	/* casting is fun. */	365	/* casting is fun. */
350	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))	366	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
351	free_padlist (aTHX_ padlist);	367	free_padlist (aTHX_ padlist);
352		368
353	SvREFCNT_dec (av);	369	SvREFCNT_dec (av); /* sv_magicext increased the refcount */
354		370
355	return 0;	371	return 0;
356	}	372	}
357		373
358	#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
359		376
360	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	};
361		381
362	#define CORO_MAGIC(cv) \	382	#define CORO_MAGIC(sv,type) \
363	SvMAGIC (cv) \	383	SvMAGIC (sv) \
364	? SvMAGIC (cv)->mg_type == PERL_MAGIC_coro \	384	? SvMAGIC (sv)->mg_type == type \
365	? SvMAGIC (cv) \	385	? SvMAGIC (sv) \
366	: mg_find ((SV *)cv, PERL_MAGIC_coro) \	386	: mg_find (sv, type) \
367	: 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)
368		391
369	static struct coro *	392	static struct coro *
370	SvSTATE_ (pTHX_ SV *coro)	393	SvSTATE_ (pTHX_ SV *coro)
371	{	394	{
372	HV *stash;	395	HV *stash;
…		…
384	/* very slow, but rare, check */	407	/* very slow, but rare, check */
385	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))	408	if (!sv_derived_from (sv_2mortal (newRV_inc (coro)), "Coro::State"))
386	croak ("Coro::State object required");	409	croak ("Coro::State object required");
387	}	410	}
388		411
389	mg = CORO_MAGIC (coro);	412	mg = CORO_MAGIC_state (coro);
390	return (struct coro *)mg->mg_ptr;	413	return (struct coro *)mg->mg_ptr;
391	}	414	}
392		415
393	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))	416	#define SvSTATE(sv) SvSTATE_ (aTHX_ (sv))
394		417
395	/* the next two functions merely cache the padlists */	418	/* the next two functions merely cache the padlists */
396	static void	419	static void
397	get_padlist (pTHX_ CV *cv)	420	get_padlist (pTHX_ CV *cv)
398	{	421	{
399	MAGIC *mg = CORO_MAGIC (cv);	422	MAGIC *mg = CORO_MAGIC_cv (cv);
400	AV *av;	423	AV *av;
401		424
402	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))	425	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))
403	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];	426	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
404	else	427	else
405	{	428	{
406	#if CORO_PREFER_PERL_FUNCTIONS	429	#if CORO_PREFER_PERL_FUNCTIONS
407	/* this is probably cleaner, but also slower? */	430	/* this is probably cleaner? but also slower! */
		431	/* in practise, it seems to be less stable */
408	CV *cp = Perl_cv_clone (cv);	432	CV *cp = Perl_cv_clone (cv);
409	CvPADLIST (cv) = CvPADLIST (cp);	433	CvPADLIST (cv) = CvPADLIST (cp);
410	CvPADLIST (cp) = 0;	434	CvPADLIST (cp) = 0;
411	SvREFCNT_dec (cp);	435	SvREFCNT_dec (cp);
412	#else	436	#else
…		…
416	}	440	}
417		441
418	static void	442	static void
419	put_padlist (pTHX_ CV *cv)	443	put_padlist (pTHX_ CV *cv)
420	{	444	{
421	MAGIC *mg = CORO_MAGIC (cv);	445	MAGIC *mg = CORO_MAGIC_cv (cv);
422	AV *av;	446	AV *av;
423		447
424	if (expect_false (!mg))	448	if (expect_false (!mg))
425	{	449	mg = sv_magicext ((SV )cv, (SV )newAV (), CORO_MAGIC_type_cv, &coro_cv_vtbl, 0, 0);
426	sv_magic ((SV *)cv, 0, PERL_MAGIC_coro, 0, 0);
427	mg = mg_find ((SV *)cv, PERL_MAGIC_coro);
428	mg->mg_virtual = &vtbl_coro;
429	mg->mg_obj = (SV *)newAV ();
430	}
431		450
432	av = (AV *)mg->mg_obj;	451	av = (AV *)mg->mg_obj;
433		452
434	if (expect_false (AvFILLp (av) >= AvMAX (av)))	453	if (expect_false (AvFILLp (av) >= AvMAX (av)))
435	av_extend (av, AvMAX (av) + 1);	454	av_extend (av, AvMAX (av) + 1);
…		…
453	GvSV (irsgv) = slot->irsgv;	472	GvSV (irsgv) = slot->irsgv;
454		473
455	#define VAR(name,type) PL_ ## name = slot->name;	474	#define VAR(name,type) PL_ ## name = slot->name;
456	# include "state.h"	475	# include "state.h"
457	#undef VAR	476	#undef VAR
458
459	/hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0);/
460	/hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0);/
461		477
462	{	478	{
463	dSP;	479	dSP;
464		480
465	CV *cv;	481	CV *cv;
…		…
504		520
505	if (expect_true (CvDEPTH (cv)))	521	if (expect_true (CvDEPTH (cv)))
506	{	522	{
507	EXTEND (SP, 3);	523	EXTEND (SP, 3);
508	PUSHs ((SV *)CvPADLIST (cv));	524	PUSHs ((SV *)CvPADLIST (cv));
509	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));	525	PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv)));
510	PUSHs ((SV *)cv);	526	PUSHs ((SV *)cv);
511		527
512	CvDEPTH (cv) = 0;	528	CvDEPTH (cv) = 0;
513	get_padlist (aTHX_ cv);	529	get_padlist (aTHX_ cv);
514	}	530	}
…		…
594		610
595	New(54,PL_savestack,24,ANY);	611	New(54,PL_savestack,24,ANY);
596	PL_savestack_ix = 0;	612	PL_savestack_ix = 0;
597	PL_savestack_max = 24;	613	PL_savestack_max = 24;
598		614
599	#if !PERL_VERSION_ATLEAST (5,9,0)	615	#if !PERL_VERSION_ATLEAST (5,10,0)
600	New(54,PL_retstack,4,OP*);	616	New(54,PL_retstack,4,OP*);
601	PL_retstack_ix = 0;	617	PL_retstack_ix = 0;
602	PL_retstack_max = 4;	618	PL_retstack_max = 4;
603	#endif	619	#endif
604	}	620	}
…		…
627		643
628	Safefree (PL_tmps_stack);	644	Safefree (PL_tmps_stack);
629	Safefree (PL_markstack);	645	Safefree (PL_markstack);
630	Safefree (PL_scopestack);	646	Safefree (PL_scopestack);
631	Safefree (PL_savestack);	647	Safefree (PL_savestack);
632	#if !PERL_VERSION_ATLEAST (5,9,0)	648	#if !PERL_VERSION_ATLEAST (5,10,0)
633	Safefree (PL_retstack);	649	Safefree (PL_retstack);
634	#endif	650	#endif
635	}	651	}
636		652
637	static size_t	653	static size_t
…		…
653	#undef VAR	669	#undef VAR
654	}	670	}
655	else	671	else
656	slot = coro->slot;	672	slot = coro->slot;
657		673
		674	if (slot)
		675	{
658	rss += sizeof (slot->curstackinfo);	676	rss += sizeof (slot->curstackinfo);
659	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);	677	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
660	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 *);
661	rss += slot->tmps_max * sizeof (SV *);	679	rss += slot->tmps_max * sizeof (SV *);
662	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);	680	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
663	rss += slot->scopestack_max * sizeof (I32);	681	rss += slot->scopestack_max * sizeof (I32);
664	rss += slot->savestack_max * sizeof (ANY);	682	rss += slot->savestack_max * sizeof (ANY);
665		683
666	#if !PERL_VERSION_ATLEAST (5,9,0)	684	#if !PERL_VERSION_ATLEAST (5,10,0)
667	rss += slot->retstack_max * sizeof (OP *);	685	rss += slot->retstack_max * sizeof (OP *);
668	#endif	686	#endif
		687	}
669	}	688	}
670		689
671	return rss;	690	return rss;
672	}	691	}
673		692
674	/ 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	}
675		784
676	static void	785	static void
677	coro_setup (pTHX_ struct coro *coro)	786	coro_setup (pTHX_ struct coro *coro)
678	{	787	{
679	/*	788	/*
…		…
688	PL_curpm = 0;	797	PL_curpm = 0;
689	PL_curpad = 0;	798	PL_curpad = 0;
690	PL_localizing = 0;	799	PL_localizing = 0;
691	PL_dirty = 0;	800	PL_dirty = 0;
692	PL_restartop = 0;	801	PL_restartop = 0;
693	PL_diehook = 0; hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0);	802	#if PERL_VERSION_ATLEAST (5,10,0)
694	PL_warnhook = 0; 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);
695		809
696	GvSV (PL_defgv) = newSV (0);	810	GvSV (PL_defgv) = newSV (0);
697	GvAV (PL_defgv) = coro->args; coro->args = 0;	811	GvAV (PL_defgv) = coro->args; coro->args = 0;
698	GvSV (PL_errgv) = newSV (0);	812	GvSV (PL_errgv) = newSV (0);
699	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);
…		…
712	XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv))));	826	XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv))));
713	PUTBACK;	827	PUTBACK;
714	PL_op = (OP *)&myop;	828	PL_op = (OP *)&myop;
715	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	829	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
716	SPAGAIN;	830	SPAGAIN;
717
718	/*
719	* now its very tricky. the "tail" of the next transfer might end up
720	* either in a new cctx, or an existing one.
721	* in case of an existing one we have to take care of whatever
722	* entersub and transfer do to the perl stack.
723	*/
724	ENTER;
725	EXTEND (SP, 4);
726	PUSHs ((SV )0); / items */
727	PUSHs ((SV )0); / ix, set_stacklevel */
728	PUSHs ((SV )(sp - PL_stack_base + 1)); / ax */
729	PUSHs ((SV )0); / again */
730	PUTBACK;
731	}	831	}
		832
		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;
732	}	839	}
733		840
734	static void	841	static void
735	coro_destroy (pTHX_ struct coro *coro)	842	coro_destroy (pTHX_ struct coro *coro)
736	{	843	{
…		…
820	PUSHMARK (SP);	927	PUSHMARK (SP);
821	PUSHs (&PL_sv_no);	928	PUSHs (&PL_sv_no);
822	PUSHs (fullname);	929	PUSHs (fullname);
823	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));	930	PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
824	PUTBACK;	931	PUTBACK;
825	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);
826	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);
827	SPAGAIN;	934	SPAGAIN;
828	FREETMPS;	935	FREETMPS;
829	LEAVE;	936	LEAVE;
830	PL_runops = runops_trace;	937	PL_runops = runops_trace;
…		…
857	SAVETMPS;	964	SAVETMPS;
858	EXTEND (SP, 3);	965	EXTEND (SP, 3);
859	PUSHMARK (SP);	966	PUSHMARK (SP);
860	PUSHs (&PL_sv_yes);	967	PUSHs (&PL_sv_yes);
861	PUSHs (fullname);	968	PUSHs (fullname);
862	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);
863	PUTBACK;	970	PUTBACK;
864	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);
865	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);
866	SPAGAIN;	973	SPAGAIN;
867	FREETMPS;	974	FREETMPS;
868	LEAVE;	975	LEAVE;
869	PL_runops = runops_trace;	976	PL_runops = runops_trace;
…		…
883	PL_runops = RUNOPS_DEFAULT;	990	PL_runops = RUNOPS_DEFAULT;
884	PUSHMARK (SP);	991	PUSHMARK (SP);
885	PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));	992	PUSHs (sv_2mortal (newSVpv (OutCopFILE (oldcop), 0)));
886	PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));	993	PUSHs (sv_2mortal (newSViv (CopLINE (oldcop))));
887	PUTBACK;	994	PUTBACK;
888	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);
889	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);
890	SPAGAIN;	997	SPAGAIN;
891	FREETMPS;	998	FREETMPS;
892	LEAVE;	999	LEAVE;
893	PL_runops = runops_trace;	1000	PL_runops = runops_trace;
…		…
1032		1139
1033	/* wether this cctx should be destructed */	1140	/* wether this cctx should be destructed */
1034	#define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize \|\| ((cctx)->flags & CC_NOREUSE))	1141	#define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize \|\| ((cctx)->flags & CC_NOREUSE))
1035		1142
1036	static coro_cctx *	1143	static coro_cctx *
1037	cctx_get (pTHX_ int gimme)	1144	cctx_get (pTHX)
1038	{	1145	{
1039	while (expect_true (cctx_first[gimme]))	1146	while (expect_true (cctx_first))
1040	{	1147	{
1041	coro_cctx *cctx = cctx_first[gimme];	1148	coro_cctx *cctx = cctx_first;
1042	cctx_first[gimme] = cctx->next;	1149	cctx_first = cctx->next;
1043	--cctx_idle[gimme];	1150	--cctx_idle;
1044		1151
1045	if (expect_true (!CCTX_EXPIRED (cctx)))	1152	if (expect_true (!CCTX_EXPIRED (cctx)))
1046	return cctx;	1153	return cctx;
1047		1154
1048	cctx_destroy (cctx);	1155	cctx_destroy (cctx);
1049	}	1156	}
1050		1157
1051	assert (!gimme);
1052	return cctx_new ();	1158	return cctx_new ();
1053	}	1159	}
1054		1160
1055	static void	1161	static void
1056	cctx_put (coro_cctx *cctx, int gimme)	1162	cctx_put (coro_cctx *cctx)
1057	{	1163	{
1058	/* free another cctx if overlimit */	1164	/* free another cctx if overlimit */
1059	if (expect_false (cctx_idle[gimme] >= MAX_IDLE_CCTX))	1165	if (expect_false (cctx_idle >= MAX_IDLE_CCTX))
1060	{	1166	{
1061	coro_cctx *first = cctx_first[gimme];	1167	coro_cctx *first = cctx_first;
1062	cctx_first[gimme] = first->next;	1168	cctx_first = first->next;
1063	--cctx_idle[gimme];	1169	--cctx_idle;
1064		1170
1065	cctx_destroy (first);	1171	cctx_destroy (first);
1066	}	1172	}
1067		1173
1068	++cctx_idle[gimme];	1174	++cctx_idle;
1069	cctx->next = cctx_first[gimme];	1175	cctx->next = cctx_first;
1070	cctx_first[gimme] = cctx;	1176	cctx_first = cctx;
1071	}	1177	}
1072		1178
1073	/ coroutine switching ***************************************************/	1179	/ coroutine switching ***************************************************/
1074		1180
1075	static void	1181	static void
…		…
1084	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");
1085		1191
1086	if (expect_false (next->flags & CF_DESTROYED))	1192	if (expect_false (next->flags & CF_DESTROYED))
1087	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");
1088		1194
1089	if (
1090	#if PERL_VERSION_ATLEAST (5,9,0)	1195	#if !PERL_VERSION_ATLEAST (5,10,0)
1091	expect_false (PL_parser)
1092	#else
1093	expect_false (PL_lex_state != LEX_NOTPARSING)	1196	if (expect_false (PL_lex_state != LEX_NOTPARSING))
1094	#endif
1095	)
1096	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
1097	}	1199	}
1098	}	1200	}
1099		1201
1100	/* always use the TRANSFER macro */	1202	/* always use the TRANSFER macro */
1101	static void NOINLINE	1203	static void NOINLINE
1102	transfer (pTHX_ struct coro prev, struct coro next)	1204	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)
1103	{	1205	{
1104	dSTACKLEVEL;	1206	dSTACKLEVEL;
		1207	static volatile int has_throw;
1105		1208
1106	/* sometimes transfer is only called to set idle_sp */	1209	/* sometimes transfer is only called to set idle_sp */
1107	if (expect_false (!next))	1210	if (expect_false (!next))
1108	{	1211	{
1109	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1212	((coro_cctx *)prev)->idle_sp = STACKLEVEL;
…		…
1124	prev->flags &= ~CF_RUNNING;	1227	prev->flags &= ~CF_RUNNING;
1125	next->flags \|= CF_RUNNING;	1228	next->flags \|= CF_RUNNING;
1126		1229
1127	LOCK;	1230	LOCK;
1128		1231
		1232	/* first get rid of the old state */
		1233	save_perl (aTHX_ prev);
		1234
1129	if (expect_false (next->flags & CF_NEW))	1235	if (expect_false (next->flags & CF_NEW))
1130	{	1236	{
1131	/* need to start coroutine */	1237	/* need to start coroutine */
1132	next->flags &= ~CF_NEW;	1238	next->flags &= ~CF_NEW;
1133	/* first get rid of the old state */
1134	save_perl (aTHX_ prev);
1135	/* setup coroutine call */	1239	/* setup coroutine call */
1136	coro_setup (aTHX_ next);	1240	coro_setup (aTHX_ next);
1137	}	1241	}
1138	else	1242	else
1139	{
1140	/* coroutine already started */
1141	save_perl (aTHX_ prev);
1142	load_perl (aTHX_ next);	1243	load_perl (aTHX_ next);
1143	}
1144		1244
1145	prev__cctx = prev->cctx;	1245	prev__cctx = prev->cctx;
1146		1246
1147	/* possibly "free" the cctx */	1247	/* possibly "free" the cctx */
1148	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	))
1149	{	1253	{
1150	/* 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 */
1151	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));
1152		1256
1153	prev->cctx = 0;	1257	prev->cctx = 0;
1154		1258
1155	/* 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 */
1156	/* 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 */
1157	if (expect_false (CCTX_EXPIRED (prev__cctx)))	1261	if (expect_false (CCTX_EXPIRED (prev__cctx)))
1158	if (!next->cctx)	1262	if (!next->cctx)
1159	next->cctx = cctx_get (aTHX_ next->gimme);	1263	next->cctx = cctx_get (aTHX);
1160		1264
1161	cctx_put (prev__cctx, prev->gimme);	1265	cctx_put (prev__cctx);
1162	}	1266	}
1163		1267
1164	++next->usecount;	1268	++next->usecount;
1165		1269
1166	if (expect_true (!next->cctx))	1270	if (expect_true (!next->cctx))
1167	next->cctx = cctx_get (aTHX_ next->gimme);	1271	next->cctx = cctx_get (aTHX);
		1272
		1273	has_throw = !!next->throw;
1168		1274
1169	if (expect_false (prev__cctx != next->cctx))	1275	if (expect_false (prev__cctx != next->cctx))
1170	{	1276	{
1171	prev__cctx->top_env = PL_top_env;	1277	prev__cctx->top_env = PL_top_env;
1172	PL_top_env = next->cctx->top_env;	1278	PL_top_env = next->cctx->top_env;
…		…
1174	}	1280	}
1175		1281
1176	free_coro_mortal (aTHX);	1282	free_coro_mortal (aTHX);
1177	UNLOCK;	1283	UNLOCK;
1178		1284
1179	if (expect_false (prev->throw \|\| next->throw))	1285	if (expect_false (has_throw))
1180	{	1286	{
1181	struct coro *coro = SvSTATE (coro_current);	1287	struct coro *coro = SvSTATE (coro_current);
1182		1288
1183	if (coro->throw)	1289	if (coro->throw)
1184	{	1290	{
…		…
1194	struct transfer_args	1300	struct transfer_args
1195	{	1301	{
1196	struct coro prev, next;	1302	struct coro prev, next;
1197	};	1303	};
1198		1304
1199	#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)	1305	#define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx))
1200	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)	1306	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
1201		1307
1202	/ high level stuff ******************************************************/	1308	/ high level stuff ******************************************************/
1203		1309
1204	static int	1310	static int
…		…
1298	{	1404	{
1299	dTHX;	1405	dTHX;
1300	struct transfer_args ta;	1406	struct transfer_args ta;
1301		1407
1302	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);	1408	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1303	TRANSFER (ta);	1409	TRANSFER (ta, 1);
1304	}	1410	}
1305		1411
1306	/ Coro ******************************************************************/	1412	/ Coro ******************************************************************/
1307		1413
1308	static void	1414	static void
…		…
1310	{	1416	{
1311	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);
1312	}	1418	}
1313		1419
1314	static SV *	1420	static SV *
1315	coro_deq (pTHX_ int min_prio)	1421	coro_deq (pTHX)
1316	{	1422	{
1317	int prio = PRIO_MAX - PRIO_MIN;	1423	int prio;
1318		1424
1319	min_prio -= PRIO_MIN;
1320	if (min_prio < 0)
1321	min_prio = 0;
1322
1323	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= min_prio; )	1425	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; )
1324	if (AvFILLp (coro_ready [prio]) >= 0)	1426	if (AvFILLp (coro_ready [prio]) >= 0)
1325	return av_shift (coro_ready [prio]);	1427	return av_shift (coro_ready [prio]);
1326		1428
1327	return 0;	1429	return 0;
1328	}	1430	}
…		…
1330	static int	1432	static int
1331	api_ready (SV *coro_sv)	1433	api_ready (SV *coro_sv)
1332	{	1434	{
1333	dTHX;	1435	dTHX;
1334	struct coro *coro;	1436	struct coro *coro;
		1437	SV *sv_hook;
		1438	void (*xs_hook)(void);
1335		1439
1336	if (SvROK (coro_sv))	1440	if (SvROK (coro_sv))
1337	coro_sv = SvRV (coro_sv);	1441	coro_sv = SvRV (coro_sv);
1338		1442
1339	coro = SvSTATE (coro_sv);	1443	coro = SvSTATE (coro_sv);
…		…
1342	return 0;	1446	return 0;
1343		1447
1344	coro->flags \|= CF_READY;	1448	coro->flags \|= CF_READY;
1345		1449
1346	LOCK;	1450	LOCK;
		1451
		1452	sv_hook = coro_nready ? 0 : coro_readyhook;
		1453	xs_hook = coro_nready ? 0 : coroapi.readyhook;
		1454
1347	coro_enq (aTHX_ SvREFCNT_inc (coro_sv));	1455	coro_enq (aTHX_ SvREFCNT_inc (coro_sv));
1348	++coro_nready;	1456	++coro_nready;
		1457
1349	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 ();
1350		1478
1351	return 1;	1479	return 1;
1352	}	1480	}
1353		1481
1354	static int	1482	static int
…		…
1364	SV prev_sv, next_sv;	1492	SV prev_sv, next_sv;
1365		1493
1366	for (;;)	1494	for (;;)
1367	{	1495	{
1368	LOCK;	1496	LOCK;
1369	next_sv = coro_deq (aTHX_ PRIO_MIN);	1497	next_sv = coro_deq (aTHX);
1370		1498
1371	/* nothing to schedule: call the idle handler */	1499	/* nothing to schedule: call the idle handler */
1372	if (expect_false (!next_sv))	1500	if (expect_false (!next_sv))
1373	{	1501	{
1374	dSP;	1502	dSP;
…		…
1378	SAVETMPS;	1506	SAVETMPS;
1379		1507
1380	PUSHMARK (SP);	1508	PUSHMARK (SP);
1381	PUTBACK;	1509	PUTBACK;
1382	call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD);	1510	call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD);
		1511	SPAGAIN;
1383		1512
1384	FREETMPS;	1513	FREETMPS;
1385	LEAVE;	1514	LEAVE;
1386	continue;	1515	continue;
1387	}	1516	}
…		…
1442	{	1571	{
1443	dTHX;	1572	dTHX;
1444	struct transfer_args ta;	1573	struct transfer_args ta;
1445		1574
1446	prepare_schedule (aTHX_ &ta);	1575	prepare_schedule (aTHX_ &ta);
1447	TRANSFER (ta);	1576	TRANSFER (ta, 1);
1448	}	1577	}
1449		1578
1450	static int	1579	static int
1451	api_cede (void)	1580	api_cede (void)
1452	{	1581	{
…		…
1455		1584
1456	prepare_cede (aTHX_ &ta);	1585	prepare_cede (aTHX_ &ta);
1457		1586
1458	if (expect_true (ta.prev != ta.next))	1587	if (expect_true (ta.prev != ta.next))
1459	{	1588	{
1460	TRANSFER (ta);	1589	TRANSFER (ta, 1);
1461	return 1;	1590	return 1;
1462	}	1591	}
1463	else	1592	else
1464	return 0;	1593	return 0;
1465	}	1594	}
…		…
1470	dTHX;	1599	dTHX;
1471	struct transfer_args ta;	1600	struct transfer_args ta;
1472		1601
1473	if (prepare_cede_notself (aTHX_ &ta))	1602	if (prepare_cede_notself (aTHX_ &ta))
1474	{	1603	{
1475	TRANSFER (ta);	1604	TRANSFER (ta, 1);
1476	return 1;	1605	return 1;
1477	}	1606	}
1478	else	1607	else
1479	return 0;	1608	return 0;
1480	}	1609	}
…		…
1503	else	1632	else
1504	coro->slot->runops = RUNOPS_DEFAULT;	1633	coro->slot->runops = RUNOPS_DEFAULT;
1505	}	1634	}
1506	}	1635	}
1507		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
1508	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	1729	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1509		1730
1510	PROTOTYPES: DISABLE	1731	PROTOTYPES: DISABLE
1511		1732
1512	BOOT:	1733	BOOT:
…		…
1517	BOOT_PAGESIZE;	1738	BOOT_PAGESIZE;
1518		1739
1519	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);	1740	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
1520	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);	1741	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
1521		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
1522	hv_sig = coro_get_hv ("SIG", TRUE);	1747	hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);
1523	sv_diehook = coro_get_sv ("Coro::State::DIEHOOK" , TRUE);	1748	rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));
1524	sv_warnhook = coro_get_sv ("Coro::State::WARNHOOK", TRUE);	1749	rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));
1525
1526	if (!PL_diehook ) hv_store (hv_sig, strpair ("__DIE__" ), SvREFCNT_inc (sv_diehook ), 0);
1527	if (!PL_warnhook) hv_store (hv_sig, strpair ("__WARN__"), SvREFCNT_inc (sv_warnhook), 0);
1528		1750
1529	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	1751	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1530		1752
1531	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));	1753	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1532	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));	1754	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
…		…
1537	main_top_env = PL_top_env;	1759	main_top_env = PL_top_env;
1538		1760
1539	while (main_top_env->je_prev)	1761	while (main_top_env->je_prev)
1540	main_top_env = main_top_env->je_prev;	1762	main_top_env = main_top_env->je_prev;
1541		1763
1542	coroapi.ver = CORO_API_VERSION;	1764	coroapi.ver = CORO_API_VERSION;
		1765	coroapi.rev = CORO_API_REVISION;
1543	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	}
1544		1776
1545	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	1777	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
1546	}	1778	}
1547		1779
1548	SV *	1780	SV *
1549	new (char *klass, ...)	1781	new (char *klass, ...)
1550	CODE:	1782	CODE:
1551	{	1783	{
1552	struct coro *coro;	1784	struct coro *coro;
		1785	MAGIC *mg;
1553	HV *hv;	1786	HV *hv;
1554	int i;	1787	int i;
1555		1788
1556	Newz (0, coro, 1, struct coro);	1789	Newz (0, coro, 1, struct coro);
1557	coro->args = newAV ();	1790	coro->args = newAV ();
…		…
1560	if (coro_first) coro_first->prev = coro;	1793	if (coro_first) coro_first->prev = coro;
1561	coro->next = coro_first;	1794	coro->next = coro_first;
1562	coro_first = coro;	1795	coro_first = coro;
1563		1796
1564	coro->hv = hv = newHV ();	1797	coro->hv = hv = newHV ();
1565	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;
1566	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));	1800	RETVAL = sv_bless (newRV_noinc ((SV *)hv), gv_stashpv (klass, 1));
1567		1801
1568	av_extend (coro->args, items - 1);	1802	av_extend (coro->args, items - 1);
1569	for (i = 1; i < items; i++)	1803	for (i = 1; i < items; i++)
1570	av_push (coro->args, newSVsv (ST (i)));	1804	av_push (coro->args, newSVsv (ST (i)));
…		…
1576	# function to increase chances that they all will call transfer with the same	1810	# function to increase chances that they all will call transfer with the same
1577	# stack offset	1811	# stack offset
1578	void	1812	void
1579	_set_stacklevel (...)	1813	_set_stacklevel (...)
1580	ALIAS:	1814	ALIAS:
1581	Coro::State::transfer = 1	1815	Coro::State::transfer = 1
1582	Coro::schedule = 2	1816	Coro::schedule = 2
1583	Coro::cede = 3	1817	Coro::cede = 3
1584	Coro::cede_notself = 4	1818	Coro::cede_notself = 4
1585	Coro::Event::next = 5
1586	Coro::Event::next_cancel = 6
1587	PPCODE:	1819	CODE:
1588	{	1820	{
1589	struct transfer_args ta;	1821	struct transfer_args ta;
1590	int again = 0;
1591		1822
1592	do	1823	PUTBACK;
		1824	switch (ix)
1593	{	1825	{
1594	switch (ix)
1595	{
1596	case 0:	1826	case 0:
1597	ta.prev = (struct coro )INT2PTR (coro_cctx , SvIV (ST (0)));	1827	ta.prev = (struct coro )INT2PTR (coro_cctx , SvIV (ST (0)));
1598	ta.next = 0;	1828	ta.next = 0;
1599	break;	1829	break;
1600		1830
1601	case 1:	1831	case 1:
1602	if (items != 2)	1832	if (items != 2)
1603	croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items);	1833	croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items);
1604		1834
1605	prepare_transfer (aTHX_ &ta, ST(0), ST(1));	1835	prepare_transfer (aTHX_ &ta, ST (0), ST (1));
1606	break;	1836	break;
1607		1837
1608	case 2:	1838	case 2:
1609	prepare_schedule (aTHX_ &ta);	1839	prepare_schedule (aTHX_ &ta);
1610	break;	1840	break;
1611		1841
1612	case 3:	1842	case 3:
1613	prepare_cede (aTHX_ &ta);	1843	prepare_cede (aTHX_ &ta);
1614	break;	1844	break;
1615		1845
1616	case 4:	1846	case 4:
1617	if (!prepare_cede_notself (aTHX_ &ta))	1847	if (!prepare_cede_notself (aTHX_ &ta))
1618	XSRETURN_EMPTY;	1848	XSRETURN_EMPTY;
1619		1849
1620	break;	1850	break;
1621
1622	case 5:
1623	case 6:
1624	if (items != 1)
1625	croak ("Coro::Event::next (watcher) expects one argument, not %d", items);
1626
1627	{
1628	SV *ev = coroapi.coro_event_next (ST (0), ix == 6, GIMME_V != G_VOID);
1629
1630	if (ev)
1631	{
1632	if (GIMME_V != G_VOID)
1633	{
1634	XPUSHs (ev);
1635	XSRETURN (1);
1636	}
1637	else
1638	XSRETURN_EMPTY;
1639	}
1640	}
1641
1642	prepare_schedule (aTHX_ &ta);
1643	again = 1;
1644	break;
1645	}
1646
1647	/* our caller, entersub, caches only this value */
1648	ta.prev->gimme = GIMME_V == G_VOID ? 0
1649	: GIMME_V == G_SCALAR ? 1
1650	: 2;
1651
1652	/* we need to save all local variables, as we might execute a different coroutine when transfer returns */
1653	sp += 2; /* save args */
1654	EXTEND (SP, 4);
1655	PUSHs ((SV *)(intptr_t)items);
1656	PUSHs ((SV *)(intptr_t)ix);
1657	PUSHs ((SV *)(intptr_t)ax);
1658	PUSHs ((SV *)(intptr_t)again);
1659	PUTBACK;
1660	BARRIER;
1661	TRANSFER (ta);
1662	BARRIER;
1663	SPAGAIN;
1664	again = (intptr_t)POPs;
1665	ax = (intptr_t)POPs;
1666	ix = (intptr_t)POPs;
1667	items = (intptr_t)POPs;
1668	sp -= 2; /* restore args */
1669	}	1851	}
1670	while (again);	1852	SPAGAIN;
1671		1853
1672	if (expect_false (GIMME_V != G_VOID && ta.next != ta.prev))	1854	BARRIER;
1673	XSRETURN_YES;	1855	PUTBACK;
1674		1856	TRANSFER (ta, 0);
1675	XSRETURN_EMPTY; /* not understood why this is necessary, likely some stack handling bug */	1857	SPAGAIN; /* might be the sp of a different coroutine now */
		1858	/* be extra careful not to ever do anything after TRANSFER */
1676	}	1859	}
1677		1860
1678	bool	1861	bool
1679	_destroy (SV *coro_sv)	1862	_destroy (SV *coro_sv)
1680	CODE:	1863	CODE:
1681	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));	1864	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));
1682	OUTPUT:	1865	OUTPUT:
1683	RETVAL	1866	RETVAL
1684		1867
1685	void	1868	void
1686	_exit (code)	1869	_exit (int code)
1687	int code
1688	PROTOTYPE: $	1870	PROTOTYPE: $
1689	CODE:	1871	CODE:
1690	_exit (code);	1872	_exit (code);
1691		1873
1692	int	1874	int
…		…
1706	RETVAL	1888	RETVAL
1707		1889
1708	int	1890	int
1709	cctx_idle ()	1891	cctx_idle ()
1710	CODE:	1892	CODE:
1711	RETVAL = cctx_idle[0] + cctx_idle[1] + cctx_idle[2];	1893	RETVAL = cctx_idle;
1712	OUTPUT:	1894	OUTPUT:
1713	RETVAL	1895	RETVAL
1714		1896
1715	void	1897	void
1716	list ()	1898	list ()
…		…
1726	call (Coro::State coro, SV *coderef)	1908	call (Coro::State coro, SV *coderef)
1727	ALIAS:	1909	ALIAS:
1728	eval = 1	1910	eval = 1
1729	CODE:	1911	CODE:
1730	{	1912	{
1731	if (coro->mainstack)	1913	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))
1732	{	1914	{
1733	struct coro temp;	1915	struct coro temp;
1734		1916
1735	if (!(coro->flags & CF_RUNNING))	1917	if (!(coro->flags & CF_RUNNING))
1736	{	1918	{
		1919	PUTBACK;
1737	save_perl (aTHX_ &temp);	1920	save_perl (aTHX_ &temp);
1738	load_perl (aTHX_ coro);	1921	load_perl (aTHX_ coro);
1739	}	1922	}
1740		1923
1741	{	1924	{
…		…
1750	eval_sv (coderef, 0);	1933	eval_sv (coderef, 0);
1751	else	1934	else
1752	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	1935	call_sv (coderef, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
1753		1936
1754	POPSTACK;	1937	POPSTACK;
		1938	SPAGAIN;
1755	FREETMPS;	1939	FREETMPS;
1756	LEAVE;	1940	LEAVE;
		1941	PUTBACK;
1757	}	1942	}
1758		1943
1759	if (!(coro->flags & CF_RUNNING))	1944	if (!(coro->flags & CF_RUNNING))
1760	{	1945	{
1761	save_perl (aTHX_ coro);	1946	save_perl (aTHX_ coro);
1762	load_perl (aTHX_ &temp);	1947	load_perl (aTHX_ &temp);
		1948	SPAGAIN;
1763	}	1949	}
1764	}	1950	}
1765	}	1951	}
1766		1952
1767	SV *	1953	SV *
…		…
1779		1965
1780	void	1966	void
1781	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)	1967	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)
1782		1968
1783	SV *	1969	SV *
1784	has_stack (Coro::State coro)	1970	has_cctx (Coro::State coro)
1785	PROTOTYPE: $	1971	PROTOTYPE: $
1786	CODE:	1972	CODE:
1787	RETVAL = boolSV (!!coro->cctx);	1973	RETVAL = boolSV (!!coro->cctx);
1788	OUTPUT:	1974	OUTPUT:
1789	RETVAL	1975	RETVAL
…		…
1808	case 1: RETVAL = coro->usecount; break;	1994	case 1: RETVAL = coro->usecount; break;
1809	}	1995	}
1810	OUTPUT:	1996	OUTPUT:
1811	RETVAL	1997	RETVAL
1812		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	}
1813		2027
1814	MODULE = Coro::State PACKAGE = Coro	2028	MODULE = Coro::State PACKAGE = Coro
1815		2029
1816	BOOT:	2030	BOOT:
1817	{	2031	{
1818	int i;	2032	int i;
1819		2033
1820	sv_pool_rss = coro_get_sv ("Coro::POOL_RSS" , TRUE);
1821	sv_pool_size = coro_get_sv ("Coro::POOL_SIZE" , TRUE);
1822	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);
1823		2037
1824	coro_current = coro_get_sv ("Coro::current", FALSE);	2038	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);
1825	SvREADONLY_on (coro_current);	2039	SvREADONLY_on (coro_current);
1826		2040
1827	coro_stash = gv_stashpv ("Coro", TRUE);	2041	coro_stash = gv_stashpv ("Coro", TRUE);
1828		2042
1829	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));	2043	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
…		…
1859	PROTOTYPE: $	2073	PROTOTYPE: $
1860	CODE:	2074	CODE:
1861	SvREFCNT_dec (SvRV (coro_current));	2075	SvREFCNT_dec (SvRV (coro_current));
1862	SvRV_set (coro_current, SvREFCNT_inc (SvRV (current)));	2076	SvRV_set (coro_current, SvREFCNT_inc (SvRV (current)));
1863		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
1864	int	2087	int
1865	prio (Coro::State coro, int newprio = 0)	2088	prio (Coro::State coro, int newprio = 0)
1866	ALIAS:	2089	ALIAS:
1867	nice = 1	2090	nice = 1
1868	CODE:	2091	CODE:
…		…
1897	CODE:	2120	CODE:
1898	RETVAL = coro_nready;	2121	RETVAL = coro_nready;
1899	OUTPUT:	2122	OUTPUT:
1900	RETVAL	2123	RETVAL
1901		2124
1902	void
1903	throw (Coro::State self, SV *throw = &PL_sv_undef)
1904	PROTOTYPE: $;$
1905	CODE:
1906	SvREFCNT_dec (self->throw);
1907	self->throw = SvOK (throw) ? newSVsv (throw) : 0;
1908
1909	# for async_pool speedup	2125	# for async_pool speedup
1910	void	2126	void
1911	_pool_1 (SV *cb)	2127	_pool_1 (SV *cb)
1912	CODE:	2128	CODE:
1913	{	2129	{
1914	struct coro *coro = SvSTATE (coro_current);	2130	struct coro *coro = SvSTATE (coro_current);
1915	HV hv = (HV )SvRV (coro_current);	2131	HV hv = (HV )SvRV (coro_current);
1916	AV *defav = GvAV (PL_defgv);	2132	AV *defav = GvAV (PL_defgv);
1917	SV *invoke = hv_delete (hv, strpair ("_invoke"), 0);	2133	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
1918	AV *invoke_av;	2134	AV *invoke_av;
1919	int i, len;	2135	int i, len;
1920		2136
1921	if (!invoke)	2137	if (!invoke)
		2138	{
		2139	SV *old = PL_diehook;
		2140	PL_diehook = 0;
		2141	SvREFCNT_dec (old);
1922	croak ("\3async_pool terminate\2\n");	2142	croak ("\3async_pool terminate\2\n");
		2143	}
1923		2144
1924	SvREFCNT_dec (coro->saved_deffh);	2145	SvREFCNT_dec (coro->saved_deffh);
1925	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);	2146	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);
1926		2147
1927	hv_store (hv, "desc", sizeof ("desc") - 1,	2148	hv_store (hv, "desc", sizeof ("desc") - 1,
1928	newSVpvn (strpair ("[async_pool]")), 0);	2149	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
1929		2150
1930	invoke_av = (AV *)SvRV (invoke);	2151	invoke_av = (AV *)SvRV (invoke);
1931	len = av_len (invoke_av);	2152	len = av_len (invoke_av);
1932		2153
1933	sv_setsv (cb, AvARRAY (invoke_av)[0]);	2154	sv_setsv (cb, AvARRAY (invoke_av)[0]);
…		…
1953	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;	2174	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;
1954	coro->saved_deffh = 0;	2175	coro->saved_deffh = 0;
1955		2176
1956	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)	2177	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1957	\|\| 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);
1958	croak ("\3async_pool terminate\2\n");	2183	croak ("\3async_pool terminate\2\n");
		2184	}
1959		2185
1960	av_clear (GvAV (PL_defgv));	2186	av_clear (GvAV (PL_defgv));
1961	hv_store ((HV *)SvRV (coro_current), strpair ("desc"),	2187	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
1962	newSVpvn (strpair ("[async_pool idle]")), 0);	2188	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
1963		2189
1964	coro->prio = 0;	2190	coro->prio = 0;
1965		2191
1966	if (coro->cctx && (coro->cctx->flags & CC_TRACE))	2192	if (coro->cctx && (coro->cctx->flags & CC_TRACE))
1967	api_trace (coro_current, 0);	2193	api_trace (coro_current, 0);
1968		2194
1969	av_push (av_async_pool, newSVsv (coro_current));	2195	av_push (av_async_pool, newSVsv (coro_current));
1970	}	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
1971		2245
1972		2246
1973	MODULE = Coro::State PACKAGE = Coro::AIO	2247	MODULE = Coro::State PACKAGE = Coro::AIO
1974		2248
1975	SV *	2249	SV *
…		…
2002	PL_laststype = data->laststype;	2276	PL_laststype = data->laststype;
2003	PL_laststatval = data->laststatval;	2277	PL_laststatval = data->laststatval;
2004	PL_statcache = data->statcache;	2278	PL_statcache = data->statcache;
2005	}	2279	}
2006		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 1.209 by root, Wed Oct 10 02:58:17 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 1.209 by root, Wed Oct 10 02:58:17 2007 UTC vs.
Revision 1.246 by root, Wed Sep 24 21:20:05 2008 UTC