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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.223 by root, Wed Feb 13 15:46:00 2008 UTC vs.
Revision 1.261 by root, Mon Nov 10 05:09:30 2008 UTC

…		…
4	#define PERL_EXT	4	#define PERL_EXT
5		5
6	#include "EXTERN.h"	6	#include "EXTERN.h"
7	#include "perl.h"	7	#include "perl.h"
8	#include "XSUB.h"	8	#include "XSUB.h"
		9	#include "perliol.h"
9		10
10	#include "patchlevel.h"	11	#include "patchlevel.h"
11		12
12	#include <stdio.h>	13	#include <stdio.h>
13	#include <errno.h>	14	#include <errno.h>
14	#include <assert.h>	15	#include <assert.h>
		16
		17	#ifdef WIN32
		18	# undef setjmp
		19	# undef longjmp
		20	# undef _exit
		21	# define setjmp _setjmp // deep magic, don't ask
		22	#else
15	#include <inttypes.h> /* portable stdint.h */	23	# include <inttypes.h> /* most portable stdint.h */
		24	#endif
16		25
17	#ifdef HAVE_MMAP	26	#ifdef HAVE_MMAP
18	# include <unistd.h>	27	# include <unistd.h>
19	# include <sys/mman.h>	28	# include <sys/mman.h>
20	# ifndef MAP_ANONYMOUS	29	# ifndef MAP_ANONYMOUS
…		…
43	#else	52	#else
44	# define REGISTER_STACK(cctx,start,end)	53	# define REGISTER_STACK(cctx,start,end)
45	#endif	54	#endif
46		55
47	/* the maximum number of idle cctx that will be pooled */	56	/* the maximum number of idle cctx that will be pooled */
48	#define MAX_IDLE_CCTX 8	57	static int cctx_max_idle = 4;
49		58
50	#define PERL_VERSION_ATLEAST(a,b,c) \	59	#define PERL_VERSION_ATLEAST(a,b,c) \
51	(PERL_REVISION > (a) \	60	(PERL_REVISION > (a) \
52	\|\| (PERL_REVISION == (a) \	61	\|\| (PERL_REVISION == (a) \
53	&& (PERL_VERSION > (b) \	62	&& (PERL_VERSION > (b) \
…		…
72	# ifndef IS_PADCONST	81	# ifndef IS_PADCONST
73	# define IS_PADCONST(v) 0	82	# define IS_PADCONST(v) 0
74	# endif	83	# endif
75	#endif	84	#endif
76		85
		86	/* 5.11 */
		87	#ifndef CxHASARGS
		88	# define CxHASARGS(cx) (cx)->blk_sub.hasargs
		89	#endif
		90
		91	/* 5.10.0 */
		92	#ifndef SvREFCNT_inc_NN
		93	# define SvREFCNT_inc_NN(sv) SvREFCNT_inc (sv)
		94	#endif
		95
77	/* 5.8.8 */	96	/* 5.8.8 */
78	#ifndef GV_NOTQUAL	97	#ifndef GV_NOTQUAL
79	# define GV_NOTQUAL 0	98	# define GV_NOTQUAL 0
80	#endif	99	#endif
81	#ifndef newSV	100	#ifndef newSV
82	# define newSV(l) NEWSV(0,l)	101	# define newSV(l) NEWSV(0,l)
83	#endif
84
85	/* 5.11 */
86	#ifndef CxHASARGS
87	# define CxHASARGS(cx) (cx)->blk_sub.hasargs
88	#endif	102	#endif
89		103
90	/* 5.8.7 */	104	/* 5.8.7 */
91	#ifndef SvRV_set	105	#ifndef SvRV_set
92	# define SvRV_set(s,v) SvRV(s) = (v)	106	# define SvRV_set(s,v) SvRV(s) = (v)
…		…
128	#define NOINLINE attribute ((noinline))	142	#define NOINLINE attribute ((noinline))
129		143
130	#include "CoroAPI.h"	144	#include "CoroAPI.h"
131		145
132	#ifdef USE_ITHREADS	146	#ifdef USE_ITHREADS
		147
133	static perl_mutex coro_mutex;	148	static perl_mutex coro_lock;
134	# define LOCK do { MUTEX_LOCK (&coro_mutex); } while (0)	149	# define LOCK do { MUTEX_LOCK (&coro_lock); } while (0)
135	# define UNLOCK do { MUTEX_UNLOCK (&coro_mutex); } while (0)	150	# define UNLOCK do { MUTEX_UNLOCK (&coro_lock); } while (0)
		151	# if CORO_PTHREAD
		152	static void *coro_thx;
		153	# endif
		154
136	#else	155	#else
		156
137	# define LOCK (void)0	157	# define LOCK (void)0
138	# define UNLOCK (void)0	158	# define UNLOCK (void)0
		159
139	#endif	160	#endif
		161
		162	# undef LOCK
		163	# define LOCK (void)0
		164	# undef UNLOCK
		165	# define UNLOCK (void)0
140		166
141	/* helper storage struct for Coro::AIO */	167	/* helper storage struct for Coro::AIO */
142	struct io_state	168	struct io_state
143	{	169	{
		170	AV *res;
144	int errorno;	171	int errorno;
145	I32 laststype;	172	I32 laststype; /* U16 in 5.10.0 */
146	int laststatval;	173	int laststatval;
147	Stat_t statcache;	174	Stat_t statcache;
148	};	175	};
149		176
		177	static double (nvtime)(); / so why doesn't it take void? */
		178
		179	static U32 cctx_gen;
150	static size_t coro_stacksize = CORO_STACKSIZE;	180	static size_t cctx_stacksize = CORO_STACKSIZE;
151	static struct CoroAPI coroapi;	181	static struct CoroAPI coroapi;
152	static AV main_mainstack; / used to differentiate between $main and others */	182	static AV main_mainstack; / used to differentiate between $main and others */
153	static JMPENV *main_top_env;	183	static JMPENV *main_top_env;
154	static HV coro_state_stash, coro_stash;	184	static HV coro_state_stash, coro_stash;
155	static volatile SV coro_mortal; / will be freed after next transfer */	185	static volatile SV coro_mortal; / will be freed/thrown after next transfer */
		186	static volatile struct coro *transfer_next;
		187
		188	struct transfer_args
		189	{
		190	struct coro prev, next;
		191	};
156		192
157	static GV irsgv; / $/ */	193	static GV irsgv; / $/ */
158	static GV stdoutgv; / STDOUT /	194	static GV stdoutgv; / STDOUT /
159	static SV *rv_diehook;	195	static SV *rv_diehook;
160	static SV *rv_warnhook;	196	static SV *rv_warnhook;
…		…
162		198
163	/* async_pool helper stuff */	199	/* async_pool helper stuff */
164	static SV *sv_pool_rss;	200	static SV *sv_pool_rss;
165	static SV *sv_pool_size;	201	static SV *sv_pool_size;
166	static AV *av_async_pool;	202	static AV *av_async_pool;
		203
		204	/* Coro::AnyEvent */
		205	static SV *sv_activity;
167		206
168	static struct coro_cctx *cctx_first;	207	static struct coro_cctx *cctx_first;
169	static int cctx_count, cctx_idle;	208	static int cctx_count, cctx_idle;
170		209
171	enum {	210	enum {
…		…
189	void idle_sp; / sp of top-level transfer/schedule/cede call */	228	void idle_sp; / sp of top-level transfer/schedule/cede call */
190	JMPENV idle_te; / same as idle_sp, but for top_env, TODO: remove once stable */	229	JMPENV idle_te; / same as idle_sp, but for top_env, TODO: remove once stable */
191	JMPENV *top_env;	230	JMPENV *top_env;
192	coro_context cctx;	231	coro_context cctx;
193		232
		233	U32 gen;
194	#if CORO_USE_VALGRIND	234	#if CORO_USE_VALGRIND
195	int valgrind_id;	235	int valgrind_id;
196	#endif	236	#endif
197	unsigned char flags;	237	unsigned char flags;
198	} coro_cctx;	238	} coro_cctx;
…		…
257	#define PRIO_IDLE -3	297	#define PRIO_IDLE -3
258	#define PRIO_MIN -4	298	#define PRIO_MIN -4
259		299
260	/* for Coro.pm */	300	/* for Coro.pm */
261	static SV *coro_current;	301	static SV *coro_current;
		302	static SV *coro_readyhook;
262	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];	303	static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1];
263	static int coro_nready;	304	static int coro_nready;
264	static struct coro *coro_first;	305	static struct coro *coro_first;
265		306
266	/ lowlevel stuff ********************************************************/	307	/ lowlevel stuff ********************************************************/
267		308
268	static SV *	309	static SV *
269	coro_get_sv (pTHX_ const char *name, int create)	310	coro_get_sv (pTHX_ const char *name, int create)
270	{	311	{
271	#if PERL_VERSION_ATLEAST (5,9,0)	312	#if PERL_VERSION_ATLEAST (5,10,0)
272	/* 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 */
273	get_sv (name, create);	314	get_sv (name, create);
274	#endif	315	#endif
275	return get_sv (name, create);	316	return get_sv (name, create);
276	}	317	}
277		318
278	static AV *	319	static AV *
279	coro_get_av (pTHX_ const char *name, int create)	320	coro_get_av (pTHX_ const char *name, int create)
280	{	321	{
281	#if PERL_VERSION_ATLEAST (5,9,0)	322	#if PERL_VERSION_ATLEAST (5,10,0)
282	/* silence stupid and wrong 5.10 warning that I am unable to switch off */	323	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
283	get_av (name, create);	324	get_av (name, create);
284	#endif	325	#endif
285	return get_av (name, create);	326	return get_av (name, create);
286	}	327	}
287		328
288	static HV *	329	static HV *
289	coro_get_hv (pTHX_ const char *name, int create)	330	coro_get_hv (pTHX_ const char *name, int create)
290	{	331	{
291	#if PERL_VERSION_ATLEAST (5,9,0)	332	#if PERL_VERSION_ATLEAST (5,10,0)
292	/* silence stupid and wrong 5.10 warning that I am unable to switch off */	333	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
293	get_hv (name, create);	334	get_hv (name, create);
294	#endif	335	#endif
295	return get_hv (name, create);	336	return get_hv (name, create);
296	}	337	}
…		…
301	AV *padlist = CvPADLIST (cv);	342	AV *padlist = CvPADLIST (cv);
302	AV newpadlist, newpad;	343	AV newpadlist, newpad;
303		344
304	newpadlist = newAV ();	345	newpadlist = newAV ();
305	AvREAL_off (newpadlist);	346	AvREAL_off (newpadlist);
306	#if PERL_VERSION_ATLEAST (5,9,0)	347	#if PERL_VERSION_ATLEAST (5,10,0)
307	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);	348	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);
308	#else	349	#else
309	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);	350	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
310	#endif	351	#endif
311	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];	352	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
312	--AvFILLp (padlist);	353	--AvFILLp (padlist);
313		354
314	av_store (newpadlist, 0, SvREFCNT_inc (*av_fetch (padlist, 0, FALSE)));	355	av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE)));
315	av_store (newpadlist, 1, (SV *)newpad);	356	av_store (newpadlist, 1, (SV *)newpad);
316		357
317	return newpadlist;	358	return newpadlist;
318	}	359	}
319		360
…		…
349		390
350	/* casting is fun. */	391	/* casting is fun. */
351	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))	392	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
352	free_padlist (aTHX_ padlist);	393	free_padlist (aTHX_ padlist);
353		394
		395	SvREFCNT_dec (av); /* sv_magicext increased the refcount */
		396
354	return 0;	397	return 0;
355	}	398	}
356		399
357	#define CORO_MAGIC_type_cv PERL_MAGIC_ext	400	#define CORO_MAGIC_type_cv PERL_MAGIC_ext
358	#define CORO_MAGIC_type_state PERL_MAGIC_ext	401	#define CORO_MAGIC_type_state PERL_MAGIC_ext
…		…
360	static MGVTBL coro_cv_vtbl = {	403	static MGVTBL coro_cv_vtbl = {
361	0, 0, 0, 0,	404	0, 0, 0, 0,
362	coro_cv_free	405	coro_cv_free
363	};	406	};
364		407
365	#define CORO_MAGIC(sv,type) \	408	#define CORO_MAGIC(sv, type) \
366	SvMAGIC (sv) \	409	SvMAGIC (sv) \
367	? SvMAGIC (sv)->mg_type == type \	410	? SvMAGIC (sv)->mg_type == type \
368	? SvMAGIC (sv) \	411	? SvMAGIC (sv) \
369	: mg_find (sv, type) \	412	: mg_find (sv, type) \
370	: 0	413	: 0
371		414
372	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)	415	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
373	#define CORO_MAGIC_state(sv) CORO_MAGIC (((SV *)(sv)), CORO_MAGIC_type_state)	416	#define CORO_MAGIC_state(sv) CORO_MAGIC (((SV *)(sv)), CORO_MAGIC_type_state)
374		417
375	static struct coro *	418	static struct coro *
…		…
408	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))	451	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))
409	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];	452	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
410	else	453	else
411	{	454	{
412	#if CORO_PREFER_PERL_FUNCTIONS	455	#if CORO_PREFER_PERL_FUNCTIONS
413	/* this is probably cleaner, but also slower? */	456	/* this is probably cleaner? but also slower! */
		457	/* in practise, it seems to be less stable */
414	CV *cp = Perl_cv_clone (cv);	458	CV *cp = Perl_cv_clone (cv);
415	CvPADLIST (cv) = CvPADLIST (cp);	459	CvPADLIST (cv) = CvPADLIST (cp);
416	CvPADLIST (cp) = 0;	460	CvPADLIST (cp) = 0;
417	SvREFCNT_dec (cp);	461	SvREFCNT_dec (cp);
418	#else	462	#else
…		…
502		546
503	if (expect_true (CvDEPTH (cv)))	547	if (expect_true (CvDEPTH (cv)))
504	{	548	{
505	EXTEND (SP, 3);	549	EXTEND (SP, 3);
506	PUSHs ((SV *)CvPADLIST (cv));	550	PUSHs ((SV *)CvPADLIST (cv));
507	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));	551	PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv)));
508	PUSHs ((SV *)cv);	552	PUSHs ((SV *)cv);
509		553
510	CvDEPTH (cv) = 0;	554	CvDEPTH (cv) = 0;
511	get_padlist (aTHX_ cv);	555	get_padlist (aTHX_ cv);
512	}	556	}
…		…
592		636
593	New(54,PL_savestack,24,ANY);	637	New(54,PL_savestack,24,ANY);
594	PL_savestack_ix = 0;	638	PL_savestack_ix = 0;
595	PL_savestack_max = 24;	639	PL_savestack_max = 24;
596		640
597	#if !PERL_VERSION_ATLEAST (5,9,0)	641	#if !PERL_VERSION_ATLEAST (5,10,0)
598	New(54,PL_retstack,4,OP*);	642	New(54,PL_retstack,4,OP*);
599	PL_retstack_ix = 0;	643	PL_retstack_ix = 0;
600	PL_retstack_max = 4;	644	PL_retstack_max = 4;
601	#endif	645	#endif
602	}	646	}
…		…
604		648
605	/*	649	/*
606	* destroy the stacks, the callchain etc...	650	* destroy the stacks, the callchain etc...
607	*/	651	*/
608	static void	652	static void
609	coro_destroy_stacks (pTHX)	653	coro_destruct_stacks (pTHX)
610	{	654	{
611	while (PL_curstackinfo->si_next)	655	while (PL_curstackinfo->si_next)
612	PL_curstackinfo = PL_curstackinfo->si_next;	656	PL_curstackinfo = PL_curstackinfo->si_next;
613		657
614	while (PL_curstackinfo)	658	while (PL_curstackinfo)
…		…
625		669
626	Safefree (PL_tmps_stack);	670	Safefree (PL_tmps_stack);
627	Safefree (PL_markstack);	671	Safefree (PL_markstack);
628	Safefree (PL_scopestack);	672	Safefree (PL_scopestack);
629	Safefree (PL_savestack);	673	Safefree (PL_savestack);
630	#if !PERL_VERSION_ATLEAST (5,9,0)	674	#if !PERL_VERSION_ATLEAST (5,10,0)
631	Safefree (PL_retstack);	675	Safefree (PL_retstack);
632	#endif	676	#endif
633	}	677	}
634		678
635	static size_t	679	static size_t
…		…
651	#undef VAR	695	#undef VAR
652	}	696	}
653	else	697	else
654	slot = coro->slot;	698	slot = coro->slot;
655		699
		700	if (slot)
		701	{
656	rss += sizeof (slot->curstackinfo);	702	rss += sizeof (slot->curstackinfo);
657	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);	703	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
658	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);	704	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);
659	rss += slot->tmps_max * sizeof (SV *);	705	rss += slot->tmps_max * sizeof (SV *);
660	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);	706	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
661	rss += slot->scopestack_max * sizeof (I32);	707	rss += slot->scopestack_max * sizeof (I32);
662	rss += slot->savestack_max * sizeof (ANY);	708	rss += slot->savestack_max * sizeof (ANY);
663		709
664	#if !PERL_VERSION_ATLEAST (5,9,0)	710	#if !PERL_VERSION_ATLEAST (5,10,0)
665	rss += slot->retstack_max * sizeof (OP *);	711	rss += slot->retstack_max * sizeof (OP *);
666	#endif	712	#endif
		713	}
667	}	714	}
668		715
669	return rss;	716	return rss;
670	}	717	}
671		718
672	/ coroutine stack handling **********************************************/	719	/ coroutine stack handling **********************************************/
673		720
674	static int (orig_sigelem_get) (pTHX_ SV sv, MAGIC *mg);	721	static int (orig_sigelem_get) (pTHX_ SV sv, MAGIC *mg);
675	static int (orig_sigelem_set) (pTHX_ SV sv, MAGIC *mg);	722	static int (orig_sigelem_set) (pTHX_ SV sv, MAGIC *mg);
		723	static int (orig_sigelem_clr) (pTHX_ SV sv, MAGIC *mg);
		724
		725	/* apparently < 5.8.8 */
		726	#ifndef MgPV_nolen_const
		727	#define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \
		728	SvPV_nolen((SV*)((mg)->mg_ptr)) : \
		729	(const char*)(mg)->mg_ptr)
		730	#endif
676		731
677	/*	732	/*
678	* This overrides the default magic get method of %SIG elements.	733	* This overrides the default magic get method of %SIG elements.
679	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook	734	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook
680	* and instead of tryign to save and restore the hash elements, we just provide	735	* and instead of tryign to save and restore the hash elements, we just provide
…		…
688	{	743	{
689	const char *s = MgPV_nolen_const (mg);	744	const char *s = MgPV_nolen_const (mg);
690		745
691	if (*s == '_')	746	if (*s == '_')
692	{	747	{
693	if (strEQ (s, "__DIE__" ) && PL_diehook ) return sv_setsv (sv, PL_diehook ), 0;	748	SV **svp = 0;
694	if (strEQ (s, "__WARN__") && PL_warnhook) return sv_setsv (sv, PL_warnhook), 0;	749
		750	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		751	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		752
		753	if (svp)
		754	{
		755	sv_setsv (sv, svp ? svp : &PL_sv_undef);
		756	return 0;
		757	}
695	}	758	}
696		759
697	return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0;	760	return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0;
		761	}
		762
		763	static int
		764	coro_sigelem_clr (pTHX_ SV sv, MAGIC mg)
		765	{
		766	const char *s = MgPV_nolen_const (mg);
		767
		768	if (*s == '_')
		769	{
		770	SV **svp = 0;
		771
		772	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		773	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		774
		775	if (svp)
		776	{
		777	SV old = svp;
		778	*svp = 0;
		779	SvREFCNT_dec (old);
		780	return 0;
		781	}
		782	}
		783
		784	return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0;
698	}	785	}
699		786
700	static int	787	static int
701	coro_sigelem_set (pTHX_ SV sv, MAGIC mg)	788	coro_sigelem_set (pTHX_ SV sv, MAGIC mg)
702	{	789	{
…		…
712	if (svp)	799	if (svp)
713	{	800	{
714	SV old = svp;	801	SV old = svp;
715	*svp = newSVsv (sv);	802	*svp = newSVsv (sv);
716	SvREFCNT_dec (old);	803	SvREFCNT_dec (old);
717	return;	804	return 0;
718	}	805	}
719	}	806	}
720		807
721	return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0;	808	return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0;
722	}	809	}
…		…
736	PL_curpm = 0;	823	PL_curpm = 0;
737	PL_curpad = 0;	824	PL_curpad = 0;
738	PL_localizing = 0;	825	PL_localizing = 0;
739	PL_dirty = 0;	826	PL_dirty = 0;
740	PL_restartop = 0;	827	PL_restartop = 0;
		828	#if PERL_VERSION_ATLEAST (5,10,0)
		829	PL_parser = 0;
		830	#endif
741		831
742	/* recreate the die/warn hooks */	832	/* recreate the die/warn hooks */
743	PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook );	833	PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook );
744	PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook);	834	PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook);
745		835
746	GvSV (PL_defgv) = newSV (0);	836	GvSV (PL_defgv) = newSV (0);
747	GvAV (PL_defgv) = coro->args; coro->args = 0;	837	GvAV (PL_defgv) = coro->args; coro->args = 0;
748	GvSV (PL_errgv) = newSV (0);	838	GvSV (PL_errgv) = newSV (0);
749	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);	839	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
750	PL_rs = newSVsv (GvSV (irsgv));	840	PL_rs = newSVsv (GvSV (irsgv));
751	PL_defoutgv = (GV *)SvREFCNT_inc (stdoutgv);	841	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);
752		842
753	{	843	{
754	dSP;	844	dSP;
755	LOGOP myop;	845	UNOP myop;
756		846
757	Zero (&myop, 1, LOGOP);	847	Zero (&myop, 1, UNOP);
758	myop.op_next = Nullop;	848	myop.op_next = Nullop;
759	myop.op_flags = OPf_WANT_VOID;	849	myop.op_flags = OPf_WANT_VOID;
760		850
761	PUSHMARK (SP);	851	PUSHMARK (SP);
762	XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv))));	852	XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv))));
…		…
766	SPAGAIN;	856	SPAGAIN;
767	}	857	}
768		858
769	/* this newly created coroutine might be run on an existing cctx which most	859	/* this newly created coroutine might be run on an existing cctx which most
770	* likely was suspended in set_stacklevel, called from entersub.	860	* likely was suspended in set_stacklevel, called from entersub.
771	* set_stacklevl doesn't do anything on return, but entersub does LEAVE,	861	* set_stacklevel doesn't do anything on return, but entersub does LEAVE,
772	* so we ENTER here for symmetry	862	* so we ENTER here for symmetry.
773	*/	863	*/
774	ENTER;	864	ENTER;
775	}	865	}
776		866
777	static void	867	static void
778	coro_destroy (pTHX_ struct coro *coro)	868	coro_destruct (pTHX_ struct coro *coro)
779	{	869	{
780	if (!IN_DESTRUCT)	870	if (!IN_DESTRUCT)
781	{	871	{
782	/* restore all saved variables and stuff */	872	/* restore all saved variables and stuff */
783	LEAVE_SCOPE (0);	873	LEAVE_SCOPE (0);
…		…
805	SvREFCNT_dec (PL_warnhook);	895	SvREFCNT_dec (PL_warnhook);
806		896
807	SvREFCNT_dec (coro->saved_deffh);	897	SvREFCNT_dec (coro->saved_deffh);
808	SvREFCNT_dec (coro->throw);	898	SvREFCNT_dec (coro->throw);
809		899
810	coro_destroy_stacks (aTHX);	900	coro_destruct_stacks (aTHX);
811	}	901	}
812		902
813	static void	903	static void
814	free_coro_mortal (pTHX)	904	free_coro_mortal (pTHX)
815	{	905	{
…		…
852	: cx->blk_gimme == G_SCALAR ? bot + 1	942	: cx->blk_gimme == G_SCALAR ? bot + 1
853	: bot;	943	: bot;
854		944
855	av_extend (av, top - bot);	945	av_extend (av, top - bot);
856	while (bot < top)	946	while (bot < top)
857	av_push (av, SvREFCNT_inc (*bot++));	947	av_push (av, SvREFCNT_inc_NN (*bot++));
858		948
859	PL_runops = RUNOPS_DEFAULT;	949	PL_runops = RUNOPS_DEFAULT;
860	ENTER;	950	ENTER;
861	SAVETMPS;	951	SAVETMPS;
862	EXTEND (SP, 3);	952	EXTEND (SP, 3);
…		…
942		1032
943	TAINT_NOT;	1033	TAINT_NOT;
944	return 0;	1034	return 0;
945	}	1035	}
946		1036
		1037	static void
		1038	prepare_set_stacklevel (struct transfer_args ta, struct coro_cctx cctx)
		1039	{
		1040	ta->prev = (struct coro *)cctx;
		1041	ta->next = 0;
		1042	}
		1043
947	/* inject a fake call to Coro::State::_cctx_init into the execution */	1044	/* inject a fake call to Coro::State::_cctx_init into the execution */
948	/* _cctx_init should be careful, as it could be called at almost any time */	1045	/* _cctx_init should be careful, as it could be called at almost any time */
949	/* during execution of a perl program */	1046	/* during execution of a perl program */
		1047	/* also initialises PL_top_env */
950	static void NOINLINE	1048	static void NOINLINE
951	cctx_prepare (pTHX_ coro_cctx *cctx)	1049	cctx_prepare (pTHX_ coro_cctx *cctx)
952	{	1050	{
953	dSP;	1051	dSP;
954	LOGOP myop;	1052	UNOP myop;
955		1053
956	PL_top_env = &PL_start_env;	1054	PL_top_env = &PL_start_env;
957		1055
958	if (cctx->flags & CC_TRACE)	1056	if (cctx->flags & CC_TRACE)
959	PL_runops = runops_trace;	1057	PL_runops = runops_trace;
960		1058
961	Zero (&myop, 1, LOGOP);	1059	Zero (&myop, 1, UNOP);
962	myop.op_next = PL_op;	1060	myop.op_next = PL_op;
963	myop.op_flags = OPf_WANT_VOID \| OPf_STACKED;	1061	myop.op_flags = OPf_WANT_VOID \| OPf_STACKED;
964		1062
965	PUSHMARK (SP);	1063	PUSHMARK (SP);
966	EXTEND (SP, 2);	1064	EXTEND (SP, 2);
967	PUSHs (sv_2mortal (newSViv (PTR2IV (cctx))));	1065	PUSHs (sv_2mortal (newSViv ((IV)cctx)));
968	PUSHs ((SV *)get_cv ("Coro::State::_cctx_init", FALSE));	1066	PUSHs ((SV *)get_cv ("Coro::State::_cctx_init", FALSE));
969	PUTBACK;	1067	PUTBACK;
970	PL_op = (OP *)&myop;	1068	PL_op = (OP *)&myop;
971	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	1069	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
972	SPAGAIN;	1070	SPAGAIN;
973	}	1071	}
974		1072
		1073	/* the tail of transfer: execute stuff we can onyl do afetr a transfer */
		1074	static void
		1075	transfer_tail (void)
		1076	{
		1077	struct coro next = (struct coro )transfer_next;
		1078	transfer_next = 0; //D for temporary assertion in transfer
		1079	assert (("FATAL ERROR: internal error 1067 in Coro module, please report", next));//D
		1080
		1081	free_coro_mortal (aTHX);
		1082	UNLOCK;
		1083
		1084	if (expect_false (next->throw))
		1085	{
		1086	SV *exception = sv_2mortal (next->throw);
		1087
		1088	next->throw = 0;
		1089	sv_setsv (ERRSV, exception);
		1090	croak (0);
		1091	}
		1092	}
		1093
975	/*	1094	/*
976	* this is a _very_ stripped down perl interpreter ;)	1095	* this is a _very_ stripped down perl interpreter ;)
977	*/	1096	*/
978	static void	1097	static void
979	cctx_run (void *arg)	1098	cctx_run (void *arg)
980	{	1099	{
		1100	#ifdef USE_ITHREADS
		1101	# if CORO_PTHREAD
		1102	PERL_SET_CONTEXT (coro_thx);
		1103	# endif
		1104	#endif
		1105	{
981	dTHX;	1106	dTHX;
982		1107
983	/* cctx_run is the alternative tail of transfer(), so unlock here. */	1108	/* entersub called ENTER, but we never 'returned', undo that here */
984	UNLOCK;	1109	LEAVE;
985		1110
986	/* we now skip the entersub that lead to transfer() */	1111	/* we now skip the entersub that did lead to transfer() */
987	PL_op = PL_op->op_next;	1112	PL_op = PL_op->op_next;
988		1113
989	/* inject a fake subroutine call to cctx_init */	1114	/* inject a fake subroutine call to cctx_init */
990	cctx_prepare (aTHX_ (coro_cctx *)arg);	1115	cctx_prepare (aTHX_ (coro_cctx *)arg);
991		1116
		1117	/* cctx_run is the alternative tail of transfer() */
		1118	transfer_tail ();
		1119
992	/* somebody or something will hit me for both perl_run and PL_restartop */	1120	/* somebody or something will hit me for both perl_run and PL_restartop */
993	PL_restartop = PL_op;	1121	PL_restartop = PL_op;
994	perl_run (PL_curinterp);	1122	perl_run (PL_curinterp);
995		1123
996	/*	1124	/*
997	* If perl-run returns we assume exit() was being called or the coro	1125	* If perl-run returns we assume exit() was being called or the coro
998	* fell off the end, which seems to be the only valid (non-bug)	1126	* fell off the end, which seems to be the only valid (non-bug)
999	* reason for perl_run to return. We try to exit by jumping to the	1127	* reason for perl_run to return. We try to exit by jumping to the
1000	* bootstrap-time "top" top_env, as we cannot restore the "main"	1128	* bootstrap-time "top" top_env, as we cannot restore the "main"
1001	* coroutine as Coro has no such concept	1129	* coroutine as Coro has no such concept
1002	*/	1130	*/
1003	PL_top_env = main_top_env;	1131	PL_top_env = main_top_env;
1004	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */	1132	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */
		1133	}
1005	}	1134	}
1006		1135
1007	static coro_cctx *	1136	static coro_cctx *
1008	cctx_new ()	1137	cctx_new ()
1009	{	1138	{
1010	coro_cctx *cctx;	1139	coro_cctx *cctx;
		1140
		1141	++cctx_count;
		1142	New (0, cctx, 1, coro_cctx);
		1143
		1144	cctx->gen = cctx_gen;
		1145	cctx->flags = 0;
		1146	cctx->idle_sp = 0; /* can be accessed by transfer between cctx_run and set_stacklevel, on throw */
		1147
		1148	return cctx;
		1149	}
		1150
		1151	/* create a new cctx only suitable as source */
		1152	static coro_cctx *
		1153	cctx_new_empty ()
		1154	{
		1155	coro_cctx *cctx = cctx_new ();
		1156
		1157	cctx->sptr = 0;
		1158	coro_create (&cctx->cctx, 0, 0, 0, 0);
		1159
		1160	return cctx;
		1161	}
		1162
		1163	/* create a new cctx suitable as destination/running a perl interpreter */
		1164	static coro_cctx *
		1165	cctx_new_run ()
		1166	{
		1167	coro_cctx *cctx = cctx_new ();
1011	void *stack_start;	1168	void *stack_start;
1012	size_t stack_size;	1169	size_t stack_size;
1013		1170
1014	++cctx_count;
1015
1016	Newz (0, cctx, 1, coro_cctx);
1017
1018	#if HAVE_MMAP	1171	#if HAVE_MMAP
1019	cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;	1172	cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;
1020	/* mmap supposedly does allocate-on-write for us */	1173	/* mmap supposedly does allocate-on-write for us */
1021	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);	1174	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);
1022		1175
1023	if (cctx->sptr != (void *)-1)	1176	if (cctx->sptr != (void *)-1)
1024	{	1177	{
…		…
1030	cctx->flags \|= CC_MAPPED;	1183	cctx->flags \|= CC_MAPPED;
1031	}	1184	}
1032	else	1185	else
1033	#endif	1186	#endif
1034	{	1187	{
1035	cctx->ssize = coro_stacksize * (long)sizeof (long);	1188	cctx->ssize = cctx_stacksize * (long)sizeof (long);
1036	New (0, cctx->sptr, coro_stacksize, long);	1189	New (0, cctx->sptr, cctx_stacksize, long);
1037		1190
1038	if (!cctx->sptr)	1191	if (!cctx->sptr)
1039	{	1192	{
1040	perror ("FATAL: unable to allocate stack for coroutine");	1193	perror ("FATAL: unable to allocate stack for coroutine");
1041	_exit (EXIT_FAILURE);	1194	_exit (EXIT_FAILURE);
…		…
1056	{	1209	{
1057	if (!cctx)	1210	if (!cctx)
1058	return;	1211	return;
1059		1212
1060	--cctx_count;	1213	--cctx_count;
		1214	coro_destroy (&cctx->cctx);
1061		1215
		1216	/* coro_transfer creates new, empty cctx's */
		1217	if (cctx->sptr)
		1218	{
1062	#if CORO_USE_VALGRIND	1219	#if CORO_USE_VALGRIND
1063	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);	1220	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
1064	#endif	1221	#endif
1065		1222
1066	#if HAVE_MMAP	1223	#if HAVE_MMAP
1067	if (cctx->flags & CC_MAPPED)	1224	if (cctx->flags & CC_MAPPED)
1068	munmap (cctx->sptr, cctx->ssize);	1225	munmap (cctx->sptr, cctx->ssize);
1069	else	1226	else
1070	#endif	1227	#endif
1071	Safefree (cctx->sptr);	1228	Safefree (cctx->sptr);
		1229	}
1072		1230
1073	Safefree (cctx);	1231	Safefree (cctx);
1074	}	1232	}
1075		1233
1076	/* wether this cctx should be destructed */	1234	/* wether this cctx should be destructed */
1077	#define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize \|\| ((cctx)->flags & CC_NOREUSE))	1235	#define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen \|\| ((cctx)->flags & CC_NOREUSE))
1078		1236
1079	static coro_cctx *	1237	static coro_cctx *
1080	cctx_get (pTHX)	1238	cctx_get (pTHX)
1081	{	1239	{
1082	while (expect_true (cctx_first))	1240	while (expect_true (cctx_first))
…		…
1089	return cctx;	1247	return cctx;
1090		1248
1091	cctx_destroy (cctx);	1249	cctx_destroy (cctx);
1092	}	1250	}
1093		1251
1094	return cctx_new ();	1252	return cctx_new_run ();
1095	}	1253	}
1096		1254
1097	static void	1255	static void
1098	cctx_put (coro_cctx *cctx)	1256	cctx_put (coro_cctx *cctx)
1099	{	1257	{
		1258	assert (("cctx_put called on non-initialised cctx", cctx->sptr));
		1259
1100	/* free another cctx if overlimit */	1260	/* free another cctx if overlimit */
1101	if (expect_false (cctx_idle >= MAX_IDLE_CCTX))	1261	if (expect_false (cctx_idle >= cctx_max_idle))
1102	{	1262	{
1103	coro_cctx *first = cctx_first;	1263	coro_cctx *first = cctx_first;
1104	cctx_first = first->next;	1264	cctx_first = first->next;
1105	--cctx_idle;	1265	--cctx_idle;
1106		1266
…		…
1126	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");	1286	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
1127		1287
1128	if (expect_false (next->flags & CF_DESTROYED))	1288	if (expect_false (next->flags & CF_DESTROYED))
1129	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");	1289	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
1130		1290
1131	if (
1132	#if PERL_VERSION_ATLEAST (5,9,0)	1291	#if !PERL_VERSION_ATLEAST (5,10,0)
1133	expect_false (PL_parser && PL_parser->lex_state != LEX_NOTPARSING)
1134	#else
1135	expect_false (PL_lex_state != LEX_NOTPARSING)	1292	if (expect_false (PL_lex_state != LEX_NOTPARSING))
1136	#endif
1137	)
1138	croak ("Coro::State::transfer called while parsing, but this is not supported");	1293	croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version");
		1294	#endif
1139	}	1295	}
1140	}	1296	}
1141		1297
1142	/* always use the TRANSFER macro */	1298	/* always use the TRANSFER macro */
1143	static void NOINLINE	1299	static void NOINLINE
1144	transfer (pTHX_ struct coro prev, struct coro next)	1300	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)
1145	{	1301	{
1146	dSTACKLEVEL;	1302	dSTACKLEVEL;
1147	static volatile int has_throw;
1148		1303
1149	/* sometimes transfer is only called to set idle_sp */	1304	/* sometimes transfer is only called to set idle_sp */
1150	if (expect_false (!next))	1305	if (expect_false (!next))
1151	{	1306	{
1152	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1307	((coro_cctx *)prev)->idle_sp = STACKLEVEL;
…		…
1156	{	1311	{
1157	coro_cctx *prev__cctx;	1312	coro_cctx *prev__cctx;
1158		1313
1159	if (expect_false (prev->flags & CF_NEW))	1314	if (expect_false (prev->flags & CF_NEW))
1160	{	1315	{
1161	/* create a new empty context */	1316	/* create a new empty/source context */
1162	Newz (0, prev->cctx, 1, coro_cctx);	1317	prev->cctx = cctx_new_empty ();
1163	prev->flags &= ~CF_NEW;	1318	prev->flags &= ~CF_NEW;
1164	prev->flags \|= CF_RUNNING;	1319	prev->flags \|= CF_RUNNING;
1165	}	1320	}
1166		1321
1167	prev->flags &= ~CF_RUNNING;	1322	prev->flags &= ~CF_RUNNING;
…		…
1182	else	1337	else
1183	load_perl (aTHX_ next);	1338	load_perl (aTHX_ next);
1184		1339
1185	prev__cctx = prev->cctx;	1340	prev__cctx = prev->cctx;
1186		1341
1187	/* possibly "free" the cctx */	1342	/* possibly untie and reuse the cctx */
1188	if (expect_true (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE)))	1343	if (expect_true (
		1344	prev__cctx->idle_sp == STACKLEVEL
		1345	&& !(prev__cctx->flags & CC_TRACE)
		1346	&& !force_cctx
		1347	))
1189	{	1348	{
1190	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */	1349	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */
1191	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));	1350	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
1192		1351
1193	prev->cctx = 0;	1352	prev->cctx = 0;
…		…
1204	++next->usecount;	1363	++next->usecount;
1205		1364
1206	if (expect_true (!next->cctx))	1365	if (expect_true (!next->cctx))
1207	next->cctx = cctx_get (aTHX);	1366	next->cctx = cctx_get (aTHX);
1208		1367
1209	has_throw = !!next->throw;	1368	assert (("FATAL ERROR: internal error 1352 in Coro, please report", !transfer_next));//D
		1369	transfer_next = next;
1210		1370
1211	if (expect_false (prev__cctx != next->cctx))	1371	if (expect_false (prev__cctx != next->cctx))
1212	{	1372	{
1213	prev__cctx->top_env = PL_top_env;	1373	prev__cctx->top_env = PL_top_env;
1214	PL_top_env = next->cctx->top_env;	1374	PL_top_env = next->cctx->top_env;
1215	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);	1375	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);
1216	}	1376	}
1217		1377
1218	free_coro_mortal (aTHX);	1378	transfer_tail ();
1219	UNLOCK;
1220
1221	if (expect_false (has_throw))
1222	{
1223	struct coro *coro = SvSTATE (coro_current);
1224
1225	if (coro->throw)
1226	{
1227	SV *exception = coro->throw;
1228	coro->throw = 0;
1229	sv_setsv (ERRSV, exception);
1230	croak (0);
1231	}
1232	}
1233	}	1379	}
1234	}	1380	}
1235		1381
1236	struct transfer_args
1237	{
1238	struct coro prev, next;
1239	};
1240
1241	#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)	1382	#define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx))
1242	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)	1383	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
1243		1384
1244	/ high level stuff ******************************************************/	1385	/ high level stuff ******************************************************/
1245		1386
1246	static int	1387	static int
…		…
1270	croak ("FATAL: tried to destroy currently running coroutine");	1411	croak ("FATAL: tried to destroy currently running coroutine");
1271		1412
1272	save_perl (aTHX_ &temp);	1413	save_perl (aTHX_ &temp);
1273	load_perl (aTHX_ coro);	1414	load_perl (aTHX_ coro);
1274		1415
1275	coro_destroy (aTHX_ coro);	1416	coro_destruct (aTHX_ coro);
1276		1417
1277	load_perl (aTHX_ &temp);	1418	load_perl (aTHX_ &temp);
1278		1419
1279	coro->slot = 0;	1420	coro->slot = 0;
1280	}	1421	}
…		…
1340	{	1481	{
1341	dTHX;	1482	dTHX;
1342	struct transfer_args ta;	1483	struct transfer_args ta;
1343		1484
1344	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);	1485	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1345	TRANSFER (ta);	1486	TRANSFER (ta, 1);
1346	}	1487	}
1347		1488
1348	/ Coro ******************************************************************/	1489	/ Coro ******************************************************************/
1349		1490
1350	static void	1491	static void
…		…
1368	static int	1509	static int
1369	api_ready (SV *coro_sv)	1510	api_ready (SV *coro_sv)
1370	{	1511	{
1371	dTHX;	1512	dTHX;
1372	struct coro *coro;	1513	struct coro *coro;
		1514	SV *sv_hook;
		1515	void (*xs_hook)(void);
1373		1516
1374	if (SvROK (coro_sv))	1517	if (SvROK (coro_sv))
1375	coro_sv = SvRV (coro_sv);	1518	coro_sv = SvRV (coro_sv);
1376		1519
1377	coro = SvSTATE (coro_sv);	1520	coro = SvSTATE (coro_sv);
…		…
1380	return 0;	1523	return 0;
1381		1524
1382	coro->flags \|= CF_READY;	1525	coro->flags \|= CF_READY;
1383		1526
1384	LOCK;	1527	LOCK;
		1528
		1529	sv_hook = coro_nready ? 0 : coro_readyhook;
		1530	xs_hook = coro_nready ? 0 : coroapi.readyhook;
		1531
1385	coro_enq (aTHX_ SvREFCNT_inc (coro_sv));	1532	coro_enq (aTHX_ SvREFCNT_inc_NN (coro_sv));
1386	++coro_nready;	1533	++coro_nready;
		1534
1387	UNLOCK;	1535	UNLOCK;
		1536
		1537	if (sv_hook)
		1538	{
		1539	dSP;
		1540
		1541	ENTER;
		1542	SAVETMPS;
		1543
		1544	PUSHMARK (SP);
		1545	PUTBACK;
		1546	call_sv (sv_hook, G_DISCARD);
		1547	SPAGAIN;
		1548
		1549	FREETMPS;
		1550	LEAVE;
		1551	}
		1552
		1553	if (xs_hook)
		1554	xs_hook ();
1388		1555
1389	return 1;	1556	return 1;
1390	}	1557	}
1391		1558
1392	static int	1559	static int
…		…
1430	/* cannot transfer to destroyed coros, skip and look for next */	1597	/* cannot transfer to destroyed coros, skip and look for next */
1431	if (expect_false (ta->next->flags & CF_DESTROYED))	1598	if (expect_false (ta->next->flags & CF_DESTROYED))
1432	{	1599	{
1433	UNLOCK;	1600	UNLOCK;
1434	SvREFCNT_dec (next_sv);	1601	SvREFCNT_dec (next_sv);
1435	/* coro_nready is already taken care of by destroy */	1602	/* coro_nready has already been taken care of by destroy */
1436	continue;	1603	continue;
1437	}	1604	}
1438		1605
1439	--coro_nready;	1606	--coro_nready;
1440	UNLOCK;	1607	UNLOCK;
…		…
1481	{	1648	{
1482	dTHX;	1649	dTHX;
1483	struct transfer_args ta;	1650	struct transfer_args ta;
1484		1651
1485	prepare_schedule (aTHX_ &ta);	1652	prepare_schedule (aTHX_ &ta);
1486	TRANSFER (ta);	1653	TRANSFER (ta, 1);
1487	}	1654	}
1488		1655
1489	static int	1656	static int
1490	api_cede (void)	1657	api_cede (void)
1491	{	1658	{
…		…
1494		1661
1495	prepare_cede (aTHX_ &ta);	1662	prepare_cede (aTHX_ &ta);
1496		1663
1497	if (expect_true (ta.prev != ta.next))	1664	if (expect_true (ta.prev != ta.next))
1498	{	1665	{
1499	TRANSFER (ta);	1666	TRANSFER (ta, 1);
1500	return 1;	1667	return 1;
1501	}	1668	}
1502	else	1669	else
1503	return 0;	1670	return 0;
1504	}	1671	}
…		…
1509	dTHX;	1676	dTHX;
1510	struct transfer_args ta;	1677	struct transfer_args ta;
1511		1678
1512	if (prepare_cede_notself (aTHX_ &ta))	1679	if (prepare_cede_notself (aTHX_ &ta))
1513	{	1680	{
1514	TRANSFER (ta);	1681	TRANSFER (ta, 1);
1515	return 1;	1682	return 1;
1516	}	1683	}
1517	else	1684	else
1518	return 0;	1685	return 0;
1519	}	1686	}
…		…
1525	struct coro *coro = SvSTATE (coro_sv);	1692	struct coro *coro = SvSTATE (coro_sv);
1526		1693
1527	if (flags & CC_TRACE)	1694	if (flags & CC_TRACE)
1528	{	1695	{
1529	if (!coro->cctx)	1696	if (!coro->cctx)
1530	coro->cctx = cctx_new ();	1697	coro->cctx = cctx_new_run ();
1531	else if (!(coro->cctx->flags & CC_TRACE))	1698	else if (!(coro->cctx->flags & CC_TRACE))
1532	croak ("cannot enable tracing on coroutine with custom stack");	1699	croak ("cannot enable tracing on coroutine with custom stack");
1533		1700
1534	coro->cctx->flags \|= CC_NOREUSE \| (flags & (CC_TRACE \| CC_TRACE_ALL));	1701	coro->cctx->flags \|= CC_NOREUSE \| (flags & (CC_TRACE \| CC_TRACE_ALL));
1535	}	1702	}
…		…
1542	else	1709	else
1543	coro->slot->runops = RUNOPS_DEFAULT;	1710	coro->slot->runops = RUNOPS_DEFAULT;
1544	}	1711	}
1545	}	1712	}
1546		1713
		1714	#if 0
		1715	static int
		1716	coro_gensub_free (pTHX_ SV sv, MAGIC mg)
		1717	{
		1718	AV *padlist;
		1719	AV av = (AV )mg->mg_obj;
		1720
		1721	abort ();
		1722
		1723	return 0;
		1724	}
		1725
		1726	static MGVTBL coro_gensub_vtbl = {
		1727	0, 0, 0, 0,
		1728	coro_gensub_free
		1729	};
		1730	#endif
		1731
		1732	/*****************************************************************************/
		1733	/* PerlIO::cede */
		1734
		1735	typedef struct
		1736	{
		1737	PerlIOBuf base;
		1738	NV next, every;
		1739	} PerlIOCede;
		1740
		1741	static IV
		1742	PerlIOCede_pushed (pTHX_ PerlIO f, const char mode, SV arg, PerlIO_funcs tab)
		1743	{
		1744	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1745
		1746	self->every = SvCUR (arg) ? SvNV (arg) : 0.01;
		1747	self->next = nvtime () + self->every;
		1748
		1749	return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab);
		1750	}
		1751
		1752	static SV *
		1753	PerlIOCede_getarg (pTHX_ PerlIO f, CLONE_PARAMS param, int flags)
		1754	{
		1755	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1756
		1757	return newSVnv (self->every);
		1758	}
		1759
		1760	static IV
		1761	PerlIOCede_flush (pTHX_ PerlIO *f)
		1762	{
		1763	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1764	double now = nvtime ();
		1765
		1766	if (now >= self->next)
		1767	{
		1768	api_cede ();
		1769	self->next = now + self->every;
		1770	}
		1771
		1772	return PerlIOBuf_flush (aTHX_ f);
		1773	}
		1774
		1775	static PerlIO_funcs PerlIO_cede =
		1776	{
		1777	sizeof(PerlIO_funcs),
		1778	"cede",
		1779	sizeof(PerlIOCede),
		1780	PERLIO_K_DESTRUCT \| PERLIO_K_RAW,
		1781	PerlIOCede_pushed,
		1782	PerlIOBuf_popped,
		1783	PerlIOBuf_open,
		1784	PerlIOBase_binmode,
		1785	PerlIOCede_getarg,
		1786	PerlIOBase_fileno,
		1787	PerlIOBuf_dup,
		1788	PerlIOBuf_read,
		1789	PerlIOBuf_unread,
		1790	PerlIOBuf_write,
		1791	PerlIOBuf_seek,
		1792	PerlIOBuf_tell,
		1793	PerlIOBuf_close,
		1794	PerlIOCede_flush,
		1795	PerlIOBuf_fill,
		1796	PerlIOBase_eof,
		1797	PerlIOBase_error,
		1798	PerlIOBase_clearerr,
		1799	PerlIOBase_setlinebuf,
		1800	PerlIOBuf_get_base,
		1801	PerlIOBuf_bufsiz,
		1802	PerlIOBuf_get_ptr,
		1803	PerlIOBuf_get_cnt,
		1804	PerlIOBuf_set_ptrcnt,
		1805	};
		1806
		1807
1547	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	1808	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1548		1809
1549	PROTOTYPES: DISABLE	1810	PROTOTYPES: DISABLE
1550		1811
1551	BOOT:	1812	BOOT:
1552	{	1813	{
1553	#ifdef USE_ITHREADS	1814	#ifdef USE_ITHREADS
1554	MUTEX_INIT (&coro_mutex);	1815	MUTEX_INIT (&coro_lock);
		1816	# if CORO_PTHREAD
		1817	coro_thx = PERL_GET_CONTEXT;
		1818	# endif
1555	#endif	1819	#endif
1556	BOOT_PAGESIZE;	1820	BOOT_PAGESIZE;
1557		1821
1558	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);	1822	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
1559	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);	1823	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
1560		1824
1561	orig_sigelem_get = PL_vtbl_sigelem.svt_get;	1825	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;
1562	PL_vtbl_sigelem.svt_get = coro_sigelem_get;	1826	orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;
1563	orig_sigelem_set = PL_vtbl_sigelem.svt_set;	1827	orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr;
1564	PL_vtbl_sigelem.svt_set = coro_sigelem_set;
1565		1828
1566	hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);	1829	hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);
1567	rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));	1830	rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));
1568	rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));	1831	rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));
1569		1832
…		…
1578	main_top_env = PL_top_env;	1841	main_top_env = PL_top_env;
1579		1842
1580	while (main_top_env->je_prev)	1843	while (main_top_env->je_prev)
1581	main_top_env = main_top_env->je_prev;	1844	main_top_env = main_top_env->je_prev;
1582		1845
1583	coroapi.ver = CORO_API_VERSION;	1846	coroapi.ver = CORO_API_VERSION;
1584	coroapi.rev = CORO_API_REVISION;	1847	coroapi.rev = CORO_API_REVISION;
1585	coroapi.transfer = api_transfer;	1848	coroapi.transfer = api_transfer;
		1849
		1850	{
		1851	SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0);
		1852
		1853	if (!svp) croak ("Time::HiRes is required");
		1854	if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");
		1855
		1856	nvtime = INT2PTR (double ()(), SvIV (svp));
		1857	}
1586		1858
1587	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	1859	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
1588	}	1860	}
1589		1861
1590	SV *	1862	SV *
…		…
1632		1904
1633	PUTBACK;	1905	PUTBACK;
1634	switch (ix)	1906	switch (ix)
1635	{	1907	{
1636	case 0:	1908	case 0:
1637	ta.prev = (struct coro )INT2PTR (coro_cctx , SvIV (ST (0)));	1909	prepare_set_stacklevel (&ta, (struct coro_cctx *)SvIV (ST (0)));
1638	ta.next = 0;
1639	break;	1910	break;
1640		1911
1641	case 1:	1912	case 1:
1642	if (items != 2)	1913	if (items != 2)
1643	croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items);	1914	croak ("Coro::State::transfer (prev, next) expects two arguments, not %d", items);
1644		1915
1645	prepare_transfer (aTHX_ &ta, ST (0), ST (1));	1916	prepare_transfer (aTHX_ &ta, ST (0), ST (1));
1646	break;	1917	break;
1647		1918
1648	case 2:	1919	case 2:
…		…
1661	}	1932	}
1662	SPAGAIN;	1933	SPAGAIN;
1663		1934
1664	BARRIER;	1935	BARRIER;
1665	PUTBACK;	1936	PUTBACK;
1666	TRANSFER (ta);	1937	TRANSFER (ta, 0);
1667	SPAGAIN; /* might be the sp of a different coroutine now */	1938	SPAGAIN; /* might be the sp of a different coroutine now */
1668	/* be extra careful not to ever do anything after TRANSFER */	1939	/* be extra careful not to ever do anything after TRANSFER */
1669	}	1940	}
1670		1941
1671	bool	1942	bool
…		…
1674	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));	1945	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));
1675	OUTPUT:	1946	OUTPUT:
1676	RETVAL	1947	RETVAL
1677		1948
1678	void	1949	void
1679	_exit (code)	1950	_exit (int code)
1680	int code
1681	PROTOTYPE: $	1951	PROTOTYPE: $
1682	CODE:	1952	CODE:
1683	_exit (code);	1953	_exit (code);
1684		1954
1685	int	1955	int
1686	cctx_stacksize (int new_stacksize = 0)	1956	cctx_stacksize (int new_stacksize = 0)
1687	CODE:	1957	CODE:
1688	RETVAL = coro_stacksize;	1958	RETVAL = cctx_stacksize;
1689	if (new_stacksize)	1959	if (new_stacksize)
		1960	{
1690	coro_stacksize = new_stacksize;	1961	cctx_stacksize = new_stacksize;
		1962	++cctx_gen;
		1963	}
		1964	OUTPUT:
		1965	RETVAL
		1966
		1967	int
		1968	cctx_max_idle (int max_idle = 0)
		1969	CODE:
		1970	RETVAL = cctx_max_idle;
		1971	if (max_idle > 1)
		1972	cctx_max_idle = max_idle;
1691	OUTPUT:	1973	OUTPUT:
1692	RETVAL	1974	RETVAL
1693		1975
1694	int	1976	int
1695	cctx_count ()	1977	cctx_count ()
…		…
1719	call (Coro::State coro, SV *coderef)	2001	call (Coro::State coro, SV *coderef)
1720	ALIAS:	2002	ALIAS:
1721	eval = 1	2003	eval = 1
1722	CODE:	2004	CODE:
1723	{	2005	{
1724	if (coro->mainstack)	2006	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))
1725	{	2007	{
1726	struct coro temp;	2008	struct coro temp;
1727		2009
1728	if (!(coro->flags & CF_RUNNING))	2010	if (!(coro->flags & CF_RUNNING))
1729	{	2011	{
…		…
1773	RETVAL = boolSV (coro->flags & ix);	2055	RETVAL = boolSV (coro->flags & ix);
1774	OUTPUT:	2056	OUTPUT:
1775	RETVAL	2057	RETVAL
1776		2058
1777	void	2059	void
		2060	throw (Coro::State self, SV *throw = &PL_sv_undef)
		2061	PROTOTYPE: $;$
		2062	CODE:
		2063	SvREFCNT_dec (self->throw);
		2064	self->throw = SvOK (throw) ? newSVsv (throw) : 0;
		2065
		2066	void
1778	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)	2067	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)
1779		2068
1780	SV *	2069	SV *
1781	has_stack (Coro::State coro)	2070	has_cctx (Coro::State coro)
1782	PROTOTYPE: $	2071	PROTOTYPE: $
1783	CODE:	2072	CODE:
1784	RETVAL = boolSV (!!coro->cctx);	2073	RETVAL = boolSV (!!coro->cctx);
1785	OUTPUT:	2074	OUTPUT:
1786	RETVAL	2075	RETVAL
…		…
1791	CODE:	2080	CODE:
1792	RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL;	2081	RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL;
1793	OUTPUT:	2082	OUTPUT:
1794	RETVAL	2083	RETVAL
1795		2084
1796	IV	2085	UV
1797	rss (Coro::State coro)	2086	rss (Coro::State coro)
1798	PROTOTYPE: $	2087	PROTOTYPE: $
1799	ALIAS:	2088	ALIAS:
1800	usecount = 1	2089	usecount = 1
1801	CODE:	2090	CODE:
…		…
1805	case 1: RETVAL = coro->usecount; break;	2094	case 1: RETVAL = coro->usecount; break;
1806	}	2095	}
1807	OUTPUT:	2096	OUTPUT:
1808	RETVAL	2097	RETVAL
1809		2098
		2099	void
		2100	force_cctx ()
		2101	CODE:
		2102	struct coro *coro = SvSTATE (coro_current);
		2103	coro->cctx->idle_sp = 0;
		2104
		2105	void
		2106	swap_defsv (Coro::State self)
		2107	PROTOTYPE: $
		2108	ALIAS:
		2109	swap_defav = 1
		2110	CODE:
		2111	if (!self->slot)
		2112	croak ("cannot swap state with coroutine that has no saved state");
		2113	else
		2114	{
		2115	SV src = ix ? (SV )&GvAV (PL_defgv) : &GvSV (PL_defgv);
		2116	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;
		2117
		2118	SV tmp = src; src = dst; *dst = tmp;
		2119	}
1810		2120
1811	MODULE = Coro::State PACKAGE = Coro	2121	MODULE = Coro::State PACKAGE = Coro
1812		2122
1813	BOOT:	2123	BOOT:
1814	{	2124	{
1815	int i;	2125	int i;
1816		2126
		2127	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
1817	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);	2128	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
1818	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);	2129	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
1819	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
1820		2130
1821	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);	2131	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);
1822	SvREADONLY_on (coro_current);	2132	SvREADONLY_on (coro_current);
1823		2133
1824	coro_stash = gv_stashpv ("Coro", TRUE);	2134	coro_stash = gv_stashpv ("Coro", TRUE);
…		…
1854	void	2164	void
1855	_set_current (SV *current)	2165	_set_current (SV *current)
1856	PROTOTYPE: $	2166	PROTOTYPE: $
1857	CODE:	2167	CODE:
1858	SvREFCNT_dec (SvRV (coro_current));	2168	SvREFCNT_dec (SvRV (coro_current));
1859	SvRV_set (coro_current, SvREFCNT_inc (SvRV (current)));	2169	SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));
		2170
		2171	void
		2172	_set_readyhook (SV *hook)
		2173	PROTOTYPE: $
		2174	CODE:
		2175	LOCK;
		2176	SvREFCNT_dec (coro_readyhook);
		2177	coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;
		2178	UNLOCK;
1860		2179
1861	int	2180	int
1862	prio (Coro::State coro, int newprio = 0)	2181	prio (Coro::State coro, int newprio = 0)
1863	ALIAS:	2182	ALIAS:
1864	nice = 1	2183	nice = 1
…		…
1894	CODE:	2213	CODE:
1895	RETVAL = coro_nready;	2214	RETVAL = coro_nready;
1896	OUTPUT:	2215	OUTPUT:
1897	RETVAL	2216	RETVAL
1898		2217
1899	void
1900	throw (Coro::State self, SV *throw = &PL_sv_undef)
1901	PROTOTYPE: $;$
1902	CODE:
1903	SvREFCNT_dec (self->throw);
1904	self->throw = SvOK (throw) ? newSVsv (throw) : 0;
1905
1906	# for async_pool speedup	2218	# for async_pool speedup
1907	void	2219	void
1908	_pool_1 (SV *cb)	2220	_pool_1 (SV *cb)
1909	CODE:	2221	CODE:
1910	{	2222	{
…		…
1915	AV *invoke_av;	2227	AV *invoke_av;
1916	int i, len;	2228	int i, len;
1917		2229
1918	if (!invoke)	2230	if (!invoke)
1919	{	2231	{
1920	SvREFCNT_dec (PL_diehook); PL_diehook = 0;	2232	SV *old = PL_diehook;
		2233	PL_diehook = 0;
		2234	SvREFCNT_dec (old);
1921	croak ("\3async_pool terminate\2\n");	2235	croak ("\3async_pool terminate\2\n");
1922	}	2236	}
1923		2237
1924	SvREFCNT_dec (coro->saved_deffh);	2238	SvREFCNT_dec (coro->saved_deffh);
1925	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);	2239	coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv);
1926		2240
1927	hv_store (hv, "desc", sizeof ("desc") - 1,	2241	hv_store (hv, "desc", sizeof ("desc") - 1,
1928	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);	2242	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
1929		2243
1930	invoke_av = (AV *)SvRV (invoke);	2244	invoke_av = (AV *)SvRV (invoke);
…		…
1934		2248
1935	if (len > 0)	2249	if (len > 0)
1936	{	2250	{
1937	av_fill (defav, len - 1);	2251	av_fill (defav, len - 1);
1938	for (i = 0; i < len; ++i)	2252	for (i = 0; i < len; ++i)
1939	av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1]));	2253	av_store (defav, i, SvREFCNT_inc_NN (AvARRAY (invoke_av)[i + 1]));
1940	}	2254	}
1941		2255
1942	SvREFCNT_dec (invoke);	2256	SvREFCNT_dec (invoke);
1943	}	2257	}
1944		2258
…		…
1951	sv_setsv (cb, &PL_sv_undef);	2265	sv_setsv (cb, &PL_sv_undef);
1952		2266
1953	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;	2267	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;
1954	coro->saved_deffh = 0;	2268	coro->saved_deffh = 0;
1955		2269
1956	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)	2270	if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss)
1957	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))	2271	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
1958	{	2272	{
1959	SvREFCNT_dec (PL_diehook); PL_diehook = 0;	2273	SV *old = PL_diehook;
		2274	PL_diehook = 0;
		2275	SvREFCNT_dec (old);
1960	croak ("\3async_pool terminate\2\n");	2276	croak ("\3async_pool terminate\2\n");
1961	}	2277	}
1962		2278
1963	av_clear (GvAV (PL_defgv));	2279	av_clear (GvAV (PL_defgv));
1964	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,	2280	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
…		…
1970	api_trace (coro_current, 0);	2286	api_trace (coro_current, 0);
1971		2287
1972	av_push (av_async_pool, newSVsv (coro_current));	2288	av_push (av_async_pool, newSVsv (coro_current));
1973	}	2289	}
1974		2290
		2291	#if 0
		2292
		2293	void
		2294	_generator_call (...)
		2295	PROTOTYPE: @
		2296	PPCODE:
		2297	fprintf (stderr, "call %p\n", CvXSUBANY(cv).any_ptr);
		2298	xxxx
		2299	abort ();
		2300
		2301	SV *
		2302	gensub (SV *sub, ...)
		2303	PROTOTYPE: &;@
		2304	CODE:
		2305	{
		2306	struct coro *coro;
		2307	MAGIC *mg;
		2308	CV *xcv;
		2309	CV ncv = (CV )newSV_type (SVt_PVCV);
		2310	int i;
		2311
		2312	CvGV (ncv) = CvGV (cv);
		2313	CvFILE (ncv) = CvFILE (cv);
		2314
		2315	Newz (0, coro, 1, struct coro);
		2316	coro->args = newAV ();
		2317	coro->flags = CF_NEW;
		2318
		2319	av_extend (coro->args, items - 1);
		2320	for (i = 1; i < items; i++)
		2321	av_push (coro->args, newSVsv (ST (i)));
		2322
		2323	CvISXSUB_on (ncv);
		2324	CvXSUBANY (ncv).any_ptr = (void *)coro;
		2325
		2326	xcv = GvCV (gv_fetchpv ("Coro::_generator_call", 0, SVt_PVCV));
		2327
		2328	CvXSUB (ncv) = CvXSUB (xcv);
		2329	CvANON_on (ncv);
		2330
		2331	mg = sv_magicext ((SV )ncv, 0, CORO_MAGIC_type_state, &coro_gensub_vtbl, (char )coro, 0);
		2332	RETVAL = newRV_noinc ((SV *)ncv);
		2333	}
		2334	OUTPUT:
		2335	RETVAL
		2336
		2337	#endif
		2338
1975		2339
1976	MODULE = Coro::State PACKAGE = Coro::AIO	2340	MODULE = Coro::State PACKAGE = Coro::AIO
1977		2341
1978	SV *	2342	void
1979	_get_state ()	2343	_get_state (SV *self)
1980	CODE:	2344	PPCODE:
1981	{	2345	{
1982	struct io_state *data;	2346	AV *defav = GvAV (PL_defgv);
1983		2347	AV *av = newAV ();
		2348	int i;
1984	RETVAL = newSV (sizeof (struct io_state));	2349	SV *data_sv = newSV (sizeof (struct io_state));
1985	data = (struct io_state *)SvPVX (RETVAL);	2350	struct io_state data = (struct io_state )SvPVX (data_sv);
1986	SvCUR_set (RETVAL, sizeof (struct io_state));	2351	SvCUR_set (data_sv, sizeof (struct io_state));
1987	SvPOK_only (RETVAL);	2352	SvPOK_only (data_sv);
1988		2353
1989	data->errorno = errno;	2354	data->errorno = errno;
1990	data->laststype = PL_laststype;	2355	data->laststype = PL_laststype;
1991	data->laststatval = PL_laststatval;	2356	data->laststatval = PL_laststatval;
1992	data->statcache = PL_statcache;	2357	data->statcache = PL_statcache;
		2358
		2359	av_extend (av, AvFILLp (defav) + 1 + 1);
		2360
		2361	for (i = 0; i <= AvFILLp (defav); ++i)
		2362	av_push (av, SvREFCNT_inc_NN (AvARRAY (defav)[i]));
		2363
		2364	av_push (av, data_sv);
		2365
		2366	XPUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		2367
		2368	api_ready (self);
1993	}	2369	}
1994	OUTPUT:
1995	RETVAL
1996		2370
1997	void	2371	void
1998	_set_state (char *data_)	2372	_set_state (SV *state)
1999	PROTOTYPE: $	2373	PROTOTYPE: $
2000	CODE:	2374	PPCODE:
2001	{	2375	{
2002	struct io_state data = (void )data_;	2376	AV av = (AV )SvRV (state);
		2377	struct io_state data = (struct io_state )SvPVX (AvARRAY (av)[AvFILLp (av)]);
		2378	int i;
2003		2379
2004	errno = data->errorno;	2380	errno = data->errorno;
2005	PL_laststype = data->laststype;	2381	PL_laststype = data->laststype;
2006	PL_laststatval = data->laststatval;	2382	PL_laststatval = data->laststatval;
2007	PL_statcache = data->statcache;	2383	PL_statcache = data->statcache;
2008	}
2009		2384
		2385	EXTEND (SP, AvFILLp (av));
		2386	for (i = 0; i < AvFILLp (av); ++i)
		2387	PUSHs (sv_2mortal (SvREFCNT_inc_NN (AvARRAY (av)[i])));
		2388	}
		2389
		2390
		2391	MODULE = Coro::State PACKAGE = Coro::AnyEvent
		2392
		2393	BOOT:
		2394	sv_activity = coro_get_sv (aTHX_ "Coro::AnyEvent::ACTIVITY", TRUE);
		2395
		2396	SV *
		2397	_schedule (...)
		2398	PROTOTYPE: @
		2399	CODE:
		2400	{
		2401	static int incede;
		2402
		2403	api_cede_notself ();
		2404
		2405	++incede;
		2406	while (coro_nready >= incede && api_cede ())
		2407	;
		2408
		2409	sv_setsv (sv_activity, &PL_sv_undef);
		2410	if (coro_nready >= incede)
		2411	{
		2412	PUSHMARK (SP);
		2413	PUTBACK;
		2414	call_pv ("Coro::AnyEvent::_activity", G_DISCARD \| G_EVAL);
		2415	SPAGAIN;
		2416	}
		2417
		2418	--incede;
		2419	}
		2420
		2421
		2422	MODULE = Coro::State PACKAGE = PerlIO::cede
		2423
		2424	BOOT:
		2425	PerlIO_define_layer (aTHX_ &PerlIO_cede);

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Comparing Coro/Coro/State.xs (file contents): Revision 1.223 by root, Wed Feb 13 15:46:00 2008 UTC vs. Revision 1.261 by root, Mon Nov 10 05:09:30 2008 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.223 by root, Wed Feb 13 15:46:00 2008 UTC vs.
Revision 1.261 by root, Mon Nov 10 05:09:30 2008 UTC