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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.218 by root, Mon Dec 3 00:41:45 2007 UTC vs.
Revision 1.260 by root, Mon Nov 10 04:37:23 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
		96	/* 5.8.8 */
		97	#ifndef GV_NOTQUAL
		98	# define GV_NOTQUAL 0
		99	#endif
		100	#ifndef newSV
		101	# define newSV(l) NEWSV(0,l)
		102	#endif
		103
77	/* 5.8.7 */	104	/* 5.8.7 */
78	#ifndef SvRV_set	105	#ifndef SvRV_set
79	# define SvRV_set(s,v) SvRV(s) = (v)	106	# 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	107	#endif
89		108
90	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64	109	#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64
91	# undef CORO_STACKGUARD	110	# undef CORO_STACKGUARD
92	#endif	111	#endif
…		…
123	#define NOINLINE attribute ((noinline))	142	#define NOINLINE attribute ((noinline))
124		143
125	#include "CoroAPI.h"	144	#include "CoroAPI.h"
126		145
127	#ifdef USE_ITHREADS	146	#ifdef USE_ITHREADS
		147
128	static perl_mutex coro_mutex;	148	static perl_mutex coro_lock;
129	# define LOCK do { MUTEX_LOCK (&coro_mutex); } while (0)	149	# define LOCK do { MUTEX_LOCK (&coro_lock); } while (0)
130	# 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
131	#else	155	#else
		156
132	# define LOCK (void)0	157	# define LOCK (void)0
133	# define UNLOCK (void)0	158	# define UNLOCK (void)0
		159
134	#endif	160	#endif
		161
		162	# undef LOCK
		163	# define LOCK (void)0
		164	# undef UNLOCK
		165	# define UNLOCK (void)0
135		166
136	/* helper storage struct for Coro::AIO */	167	/* helper storage struct for Coro::AIO */
137	struct io_state	168	struct io_state
138	{	169	{
		170	AV *res;
139	int errorno;	171	int errorno;
140	I32 laststype;	172	I32 laststype; /* U16 in 5.10.0 */
141	int laststatval;	173	int laststatval;
142	Stat_t statcache;	174	Stat_t statcache;
143	};	175	};
144		176
		177	static double (nvtime)(); / so why doesn't it take void? */
		178
		179	static U32 cctx_gen;
145	static size_t coro_stacksize = CORO_STACKSIZE;	180	static size_t cctx_stacksize = CORO_STACKSIZE;
146	static struct CoroAPI coroapi;	181	static struct CoroAPI coroapi;
147	static AV main_mainstack; / used to differentiate between $main and others */	182	static AV main_mainstack; / used to differentiate between $main and others */
148	static JMPENV *main_top_env;	183	static JMPENV *main_top_env;
149	static HV coro_state_stash, coro_stash;	184	static HV coro_state_stash, coro_stash;
150	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	};
151		192
152	static GV irsgv; / $/ */	193	static GV irsgv; / $/ */
153	static GV stdoutgv; / STDOUT /	194	static GV stdoutgv; / STDOUT /
154	static SV *rv_diehook;	195	static SV *rv_diehook;
155	static SV *rv_warnhook;	196	static SV *rv_warnhook;
…		…
157		198
158	/* async_pool helper stuff */	199	/* async_pool helper stuff */
159	static SV *sv_pool_rss;	200	static SV *sv_pool_rss;
160	static SV *sv_pool_size;	201	static SV *sv_pool_size;
161	static AV *av_async_pool;	202	static AV *av_async_pool;
		203
		204	/* Coro::AnyEvent */
		205	static SV *sv_activity;
162		206
163	static struct coro_cctx *cctx_first;	207	static struct coro_cctx *cctx_first;
164	static int cctx_count, cctx_idle;	208	static int cctx_count, cctx_idle;
165		209
166	enum {	210	enum {
…		…
184	void idle_sp; / sp of top-level transfer/schedule/cede call */	228	void idle_sp; / sp of top-level transfer/schedule/cede call */
185	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 */
186	JMPENV *top_env;	230	JMPENV *top_env;
187	coro_context cctx;	231	coro_context cctx;
188		232
		233	U32 gen;
189	#if CORO_USE_VALGRIND	234	#if CORO_USE_VALGRIND
190	int valgrind_id;	235	int valgrind_id;
191	#endif	236	#endif
192	unsigned char flags;	237	unsigned char flags;
193	} coro_cctx;	238	} coro_cctx;
…		…
252	#define PRIO_IDLE -3	297	#define PRIO_IDLE -3
253	#define PRIO_MIN -4	298	#define PRIO_MIN -4
254		299
255	/* for Coro.pm */	300	/* for Coro.pm */
256	static SV *coro_current;	301	static SV *coro_current;
		302	static SV *coro_readyhook;
257	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];	303	static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1];
258	static int coro_nready;	304	static int coro_nready;
259	static struct coro *coro_first;	305	static struct coro *coro_first;
260		306
261	/ lowlevel stuff ********************************************************/	307	/ lowlevel stuff ********************************************************/
262		308
263	static SV *	309	static SV *
264	coro_get_sv (pTHX_ const char *name, int create)	310	coro_get_sv (pTHX_ const char *name, int create)
265	{	311	{
266	#if PERL_VERSION_ATLEAST (5,9,0)	312	#if PERL_VERSION_ATLEAST (5,10,0)
267	/* 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 */
268	get_sv (name, create);	314	get_sv (name, create);
269	#endif	315	#endif
270	return get_sv (name, create);	316	return get_sv (name, create);
271	}	317	}
272		318
273	static AV *	319	static AV *
274	coro_get_av (pTHX_ const char *name, int create)	320	coro_get_av (pTHX_ const char *name, int create)
275	{	321	{
276	#if PERL_VERSION_ATLEAST (5,9,0)	322	#if PERL_VERSION_ATLEAST (5,10,0)
277	/* 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 */
278	get_av (name, create);	324	get_av (name, create);
279	#endif	325	#endif
280	return get_av (name, create);	326	return get_av (name, create);
281	}	327	}
282		328
283	static HV *	329	static HV *
284	coro_get_hv (pTHX_ const char *name, int create)	330	coro_get_hv (pTHX_ const char *name, int create)
285	{	331	{
286	#if PERL_VERSION_ATLEAST (5,9,0)	332	#if PERL_VERSION_ATLEAST (5,10,0)
287	/* 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 */
288	get_hv (name, create);	334	get_hv (name, create);
289	#endif	335	#endif
290	return get_hv (name, create);	336	return get_hv (name, create);
291	}	337	}
…		…
296	AV *padlist = CvPADLIST (cv);	342	AV *padlist = CvPADLIST (cv);
297	AV newpadlist, newpad;	343	AV newpadlist, newpad;
298		344
299	newpadlist = newAV ();	345	newpadlist = newAV ();
300	AvREAL_off (newpadlist);	346	AvREAL_off (newpadlist);
301	#if PERL_VERSION_ATLEAST (5,9,0)	347	#if PERL_VERSION_ATLEAST (5,10,0)
302	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);	348	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);
303	#else	349	#else
304	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);	350	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
305	#endif	351	#endif
306	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];	352	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
307	--AvFILLp (padlist);	353	--AvFILLp (padlist);
308		354
309	av_store (newpadlist, 0, SvREFCNT_inc (*av_fetch (padlist, 0, FALSE)));	355	av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE)));
310	av_store (newpadlist, 1, (SV *)newpad);	356	av_store (newpadlist, 1, (SV *)newpad);
311		357
312	return newpadlist;	358	return newpadlist;
313	}	359	}
314		360
…		…
344		390
345	/* casting is fun. */	391	/* casting is fun. */
346	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))	392	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
347	free_padlist (aTHX_ padlist);	393	free_padlist (aTHX_ padlist);
348		394
		395	SvREFCNT_dec (av); /* sv_magicext increased the refcount */
		396
349	return 0;	397	return 0;
350	}	398	}
351		399
352	#define CORO_MAGIC_type_cv PERL_MAGIC_ext	400	#define CORO_MAGIC_type_cv PERL_MAGIC_ext
353	#define CORO_MAGIC_type_state PERL_MAGIC_ext	401	#define CORO_MAGIC_type_state PERL_MAGIC_ext
…		…
355	static MGVTBL coro_cv_vtbl = {	403	static MGVTBL coro_cv_vtbl = {
356	0, 0, 0, 0,	404	0, 0, 0, 0,
357	coro_cv_free	405	coro_cv_free
358	};	406	};
359		407
360	#define CORO_MAGIC(sv,type) \	408	#define CORO_MAGIC(sv, type) \
361	SvMAGIC (sv) \	409	SvMAGIC (sv) \
362	? SvMAGIC (sv)->mg_type == type \	410	? SvMAGIC (sv)->mg_type == type \
363	? SvMAGIC (sv) \	411	? SvMAGIC (sv) \
364	: mg_find (sv, type) \	412	: mg_find (sv, type) \
365	: 0	413	: 0
366		414
367	#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)
368	#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)
369		417
370	static struct coro *	418	static struct coro *
…		…
403	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))	451	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))
404	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];	452	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
405	else	453	else
406	{	454	{
407	#if CORO_PREFER_PERL_FUNCTIONS	455	#if CORO_PREFER_PERL_FUNCTIONS
408	/* this is probably cleaner, but also slower? */	456	/* this is probably cleaner? but also slower! */
		457	/* in practise, it seems to be less stable */
409	CV *cp = Perl_cv_clone (cv);	458	CV *cp = Perl_cv_clone (cv);
410	CvPADLIST (cv) = CvPADLIST (cp);	459	CvPADLIST (cv) = CvPADLIST (cp);
411	CvPADLIST (cp) = 0;	460	CvPADLIST (cp) = 0;
412	SvREFCNT_dec (cp);	461	SvREFCNT_dec (cp);
413	#else	462	#else
…		…
497		546
498	if (expect_true (CvDEPTH (cv)))	547	if (expect_true (CvDEPTH (cv)))
499	{	548	{
500	EXTEND (SP, 3);	549	EXTEND (SP, 3);
501	PUSHs ((SV *)CvPADLIST (cv));	550	PUSHs ((SV *)CvPADLIST (cv));
502	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));	551	PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv)));
503	PUSHs ((SV *)cv);	552	PUSHs ((SV *)cv);
504		553
505	CvDEPTH (cv) = 0;	554	CvDEPTH (cv) = 0;
506	get_padlist (aTHX_ cv);	555	get_padlist (aTHX_ cv);
507	}	556	}
…		…
587		636
588	New(54,PL_savestack,24,ANY);	637	New(54,PL_savestack,24,ANY);
589	PL_savestack_ix = 0;	638	PL_savestack_ix = 0;
590	PL_savestack_max = 24;	639	PL_savestack_max = 24;
591		640
592	#if !PERL_VERSION_ATLEAST (5,9,0)	641	#if !PERL_VERSION_ATLEAST (5,10,0)
593	New(54,PL_retstack,4,OP*);	642	New(54,PL_retstack,4,OP*);
594	PL_retstack_ix = 0;	643	PL_retstack_ix = 0;
595	PL_retstack_max = 4;	644	PL_retstack_max = 4;
596	#endif	645	#endif
597	}	646	}
…		…
599		648
600	/*	649	/*
601	* destroy the stacks, the callchain etc...	650	* destroy the stacks, the callchain etc...
602	*/	651	*/
603	static void	652	static void
604	coro_destroy_stacks (pTHX)	653	coro_destruct_stacks (pTHX)
605	{	654	{
606	while (PL_curstackinfo->si_next)	655	while (PL_curstackinfo->si_next)
607	PL_curstackinfo = PL_curstackinfo->si_next;	656	PL_curstackinfo = PL_curstackinfo->si_next;
608		657
609	while (PL_curstackinfo)	658	while (PL_curstackinfo)
…		…
620		669
621	Safefree (PL_tmps_stack);	670	Safefree (PL_tmps_stack);
622	Safefree (PL_markstack);	671	Safefree (PL_markstack);
623	Safefree (PL_scopestack);	672	Safefree (PL_scopestack);
624	Safefree (PL_savestack);	673	Safefree (PL_savestack);
625	#if !PERL_VERSION_ATLEAST (5,9,0)	674	#if !PERL_VERSION_ATLEAST (5,10,0)
626	Safefree (PL_retstack);	675	Safefree (PL_retstack);
627	#endif	676	#endif
628	}	677	}
629		678
630	static size_t	679	static size_t
…		…
646	#undef VAR	695	#undef VAR
647	}	696	}
648	else	697	else
649	slot = coro->slot;	698	slot = coro->slot;
650		699
		700	if (slot)
		701	{
651	rss += sizeof (slot->curstackinfo);	702	rss += sizeof (slot->curstackinfo);
652	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);	703	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
653	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 *);
654	rss += slot->tmps_max * sizeof (SV *);	705	rss += slot->tmps_max * sizeof (SV *);
655	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);	706	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
656	rss += slot->scopestack_max * sizeof (I32);	707	rss += slot->scopestack_max * sizeof (I32);
657	rss += slot->savestack_max * sizeof (ANY);	708	rss += slot->savestack_max * sizeof (ANY);
658		709
659	#if !PERL_VERSION_ATLEAST (5,9,0)	710	#if !PERL_VERSION_ATLEAST (5,10,0)
660	rss += slot->retstack_max * sizeof (OP *);	711	rss += slot->retstack_max * sizeof (OP *);
661	#endif	712	#endif
		713	}
662	}	714	}
663		715
664	return rss;	716	return rss;
665	}	717	}
666		718
667	/ coroutine stack handling **********************************************/	719	/ coroutine stack handling **********************************************/
668		720
669	#if 0
670	static int (orig_sigelem_get) (pTHX_ SV sv, MAGIC *mg);	721	static int (orig_sigelem_get) (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
671		731
672	/*	732	/*
673	* This overrides the default magic get method of %SIG elements.	733	* This overrides the default magic get method of %SIG elements.
674	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook	734	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook
675	* and instead of tryign to save and restore the hash elements, we just provide	735	* and instead of tryign to save and restore the hash elements, we just provide
…		…
679	* when a schedule happens then, but we ignore this.	739	* when a schedule happens then, but we ignore this.
680	*/	740	*/
681	static int	741	static int
682	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)	742	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)
683	{	743	{
684	return orig_sigelem_get (aTHX_ sv, mg);
685	const char *s = MgPV_nolen_const (mg);	744	const char *s = MgPV_nolen_const (mg);
686		745
687	if (*s == '_')	746	if (*s == '_')
688	{	747	{
689	if (strEQ (s, "__DIE__" ) && PL_diehook ) return sv_setsv (sv, PL_diehook ), 0;	748	SV **svp = 0;
690	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	}
		758	}
		759
		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 == '_')
691	}	769	{
		770	SV **svp = 0;
692		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;
		785	}
		786
		787	static int
		788	coro_sigelem_set (pTHX_ SV sv, MAGIC mg)
		789	{
		790	const char *s = MgPV_nolen_const (mg);
		791
		792	if (*s == '_')
		793	{
		794	SV **svp = 0;
		795
		796	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		797	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		798
		799	if (svp)
		800	{
		801	SV old = svp;
		802	*svp = newSVsv (sv);
		803	SvREFCNT_dec (old);
		804	return 0;
		805	}
		806	}
		807
693	return orig_sigelem_get (aTHX_ sv, mg);	808	return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0;
694	}	809	}
695	#endif
696		810
697	static void	811	static void
698	coro_setup (pTHX_ struct coro *coro)	812	coro_setup (pTHX_ struct coro *coro)
699	{	813	{
700	/*	814	/*
…		…
709	PL_curpm = 0;	823	PL_curpm = 0;
710	PL_curpad = 0;	824	PL_curpad = 0;
711	PL_localizing = 0;	825	PL_localizing = 0;
712	PL_dirty = 0;	826	PL_dirty = 0;
713	PL_restartop = 0;	827	PL_restartop = 0;
		828	#if PERL_VERSION_ATLEAST (5,10,0)
		829	PL_parser = 0;
		830	#endif
714		831
715	/* recreate the die/warn hooks */	832	/* recreate the die/warn hooks */
716	PL_diehook = 0;	833	PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook );
717	hv_store (hv_sig, "__DIE__", sizeof ("__DIE__") - 1, newSV (0), 0);	834	PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook);
718	PL_diehook = SvREFCNT_inc (rv_diehook);
719
720	PL_warnhook = 0;
721	hv_store (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, newSV (0), 0);
722	PL_warnhook = SvREFCNT_inc (rv_warnhook);
723		835
724	GvSV (PL_defgv) = newSV (0);	836	GvSV (PL_defgv) = newSV (0);
725	GvAV (PL_defgv) = coro->args; coro->args = 0;	837	GvAV (PL_defgv) = coro->args; coro->args = 0;
726	GvSV (PL_errgv) = newSV (0);	838	GvSV (PL_errgv) = newSV (0);
727	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);
728	PL_rs = newSVsv (GvSV (irsgv));	840	PL_rs = newSVsv (GvSV (irsgv));
729	PL_defoutgv = (GV *)SvREFCNT_inc (stdoutgv);	841	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);
730		842
731	{	843	{
732	dSP;	844	dSP;
733	LOGOP myop;	845	UNOP myop;
734		846
735	Zero (&myop, 1, LOGOP);	847	Zero (&myop, 1, UNOP);
736	myop.op_next = Nullop;	848	myop.op_next = Nullop;
737	myop.op_flags = OPf_WANT_VOID;	849	myop.op_flags = OPf_WANT_VOID;
738		850
739	PUSHMARK (SP);	851	PUSHMARK (SP);
740	XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv))));	852	XPUSHs (sv_2mortal (av_shift (GvAV (PL_defgv))));
…		…
745	}	857	}
746		858
747	/* 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
748	* likely was suspended in set_stacklevel, called from entersub.	860	* likely was suspended in set_stacklevel, called from entersub.
749	* set_stacklevl doesn't do anything on return, but entersub does LEAVE,	861	* set_stacklevl doesn't do anything on return, but entersub does LEAVE,
750	* so we ENTER here for symmetry	862	* so we ENTER here for symmetry.
751	*/	863	*/
752	ENTER;	864	ENTER;
753	}	865	}
754		866
755	static void	867	static void
756	coro_destroy (pTHX_ struct coro *coro)	868	coro_destruct (pTHX_ struct coro *coro)
757	{	869	{
758	if (!IN_DESTRUCT)	870	if (!IN_DESTRUCT)
759	{	871	{
760	/* restore all saved variables and stuff */	872	/* restore all saved variables and stuff */
761	LEAVE_SCOPE (0);	873	LEAVE_SCOPE (0);
…		…
783	SvREFCNT_dec (PL_warnhook);	895	SvREFCNT_dec (PL_warnhook);
784		896
785	SvREFCNT_dec (coro->saved_deffh);	897	SvREFCNT_dec (coro->saved_deffh);
786	SvREFCNT_dec (coro->throw);	898	SvREFCNT_dec (coro->throw);
787		899
788	coro_destroy_stacks (aTHX);	900	coro_destruct_stacks (aTHX);
789	}	901	}
790		902
791	static void	903	static void
792	free_coro_mortal (pTHX)	904	free_coro_mortal (pTHX)
793	{	905	{
…		…
830	: cx->blk_gimme == G_SCALAR ? bot + 1	942	: cx->blk_gimme == G_SCALAR ? bot + 1
831	: bot;	943	: bot;
832		944
833	av_extend (av, top - bot);	945	av_extend (av, top - bot);
834	while (bot < top)	946	while (bot < top)
835	av_push (av, SvREFCNT_inc (*bot++));	947	av_push (av, SvREFCNT_inc_NN (*bot++));
836		948
837	PL_runops = RUNOPS_DEFAULT;	949	PL_runops = RUNOPS_DEFAULT;
838	ENTER;	950	ENTER;
839	SAVETMPS;	951	SAVETMPS;
840	EXTEND (SP, 3);	952	EXTEND (SP, 3);
…		…
878	SAVETMPS;	990	SAVETMPS;
879	EXTEND (SP, 3);	991	EXTEND (SP, 3);
880	PUSHMARK (SP);	992	PUSHMARK (SP);
881	PUSHs (&PL_sv_yes);	993	PUSHs (&PL_sv_yes);
882	PUSHs (fullname);	994	PUSHs (fullname);
883	PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);	995	PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
884	PUTBACK;	996	PUTBACK;
885	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);	997	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);
886	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);	998	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
887	SPAGAIN;	999	SPAGAIN;
888	FREETMPS;	1000	FREETMPS;
…		…
920		1032
921	TAINT_NOT;	1033	TAINT_NOT;
922	return 0;	1034	return 0;
923	}	1035	}
924		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
925	/* 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 */
926	/* _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 */
927	/* during execution of a perl program */	1046	/* during execution of a perl program */
		1047	/* also initialises PL_top_env */
928	static void NOINLINE	1048	static void NOINLINE
929	cctx_prepare (pTHX_ coro_cctx *cctx)	1049	cctx_prepare (pTHX_ coro_cctx *cctx)
930	{	1050	{
931	dSP;	1051	dSP;
932	LOGOP myop;	1052	UNOP myop;
933		1053
934	PL_top_env = &PL_start_env;	1054	PL_top_env = &PL_start_env;
935		1055
936	if (cctx->flags & CC_TRACE)	1056	if (cctx->flags & CC_TRACE)
937	PL_runops = runops_trace;	1057	PL_runops = runops_trace;
938		1058
939	Zero (&myop, 1, LOGOP);	1059	Zero (&myop, 1, UNOP);
940	myop.op_next = PL_op;	1060	myop.op_next = PL_op;
941	myop.op_flags = OPf_WANT_VOID \| OPf_STACKED;	1061	myop.op_flags = OPf_WANT_VOID \| OPf_STACKED;
942		1062
943	PUSHMARK (SP);	1063	PUSHMARK (SP);
944	EXTEND (SP, 2);	1064	EXTEND (SP, 2);
945	PUSHs (sv_2mortal (newSViv (PTR2IV (cctx))));	1065	PUSHs (sv_2mortal (newSViv ((IV)cctx)));
946	PUSHs ((SV *)get_cv ("Coro::State::_cctx_init", FALSE));	1066	PUSHs ((SV *)get_cv ("Coro::State::_cctx_init", FALSE));
947	PUTBACK;	1067	PUTBACK;
948	PL_op = (OP *)&myop;	1068	PL_op = (OP *)&myop;
949	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	1069	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
950	SPAGAIN;	1070	SPAGAIN;
951	}	1071	}
952		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
953	/*	1094	/*
954	* this is a _very_ stripped down perl interpreter ;)	1095	* this is a _very_ stripped down perl interpreter ;)
955	*/	1096	*/
956	static void	1097	static void
957	cctx_run (void *arg)	1098	cctx_run (void *arg)
958	{	1099	{
		1100	#ifdef USE_ITHREADS
		1101	# if CORO_PTHREAD
		1102	PERL_SET_CONTEXT (coro_thx);
		1103	# endif
		1104	#endif
		1105	{
959	dTHX;	1106	dTHX;
960		1107
961	/* cctx_run is the alternative tail of transfer(), so unlock here. */	1108	/* entersub called ENTER, but we never 'returned', undo that here */
962	UNLOCK;	1109	LEAVE;
963		1110
964	/* we now skip the entersub that lead to transfer() */	1111	/* we now skip the entersub that did lead to transfer() */
965	PL_op = PL_op->op_next;	1112	PL_op = PL_op->op_next;
966		1113
967	/* inject a fake subroutine call to cctx_init */	1114	/* inject a fake subroutine call to cctx_init */
968	cctx_prepare (aTHX_ (coro_cctx *)arg);	1115	cctx_prepare (aTHX_ (coro_cctx *)arg);
969		1116
		1117	/* cctx_run is the alternative tail of transfer() */
		1118	transfer_tail ();
		1119
970	/* 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 */
971	PL_restartop = PL_op;	1121	PL_restartop = PL_op;
972	perl_run (PL_curinterp);	1122	perl_run (PL_curinterp);
973		1123
974	/*	1124	/*
975	* 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
976	* 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)
977	* 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
978	* bootstrap-time "top" top_env, as we cannot restore the "main"	1128	* bootstrap-time "top" top_env, as we cannot restore the "main"
979	* coroutine as Coro has no such concept	1129	* coroutine as Coro has no such concept
980	*/	1130	*/
981	PL_top_env = main_top_env;	1131	PL_top_env = main_top_env;
982	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	}
983	}	1134	}
984		1135
985	static coro_cctx *	1136	static coro_cctx *
986	cctx_new ()	1137	cctx_new ()
987	{	1138	{
988	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 ();
989	void *stack_start;	1168	void *stack_start;
990	size_t stack_size;	1169	size_t stack_size;
991		1170
992	++cctx_count;
993
994	Newz (0, cctx, 1, coro_cctx);
995
996	#if HAVE_MMAP	1171	#if HAVE_MMAP
997	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;
998	/* mmap supposedly does allocate-on-write for us */	1173	/* mmap supposedly does allocate-on-write for us */
999	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);
1000		1175
1001	if (cctx->sptr != (void *)-1)	1176	if (cctx->sptr != (void *)-1)
1002	{	1177	{
…		…
1008	cctx->flags \|= CC_MAPPED;	1183	cctx->flags \|= CC_MAPPED;
1009	}	1184	}
1010	else	1185	else
1011	#endif	1186	#endif
1012	{	1187	{
1013	cctx->ssize = coro_stacksize * (long)sizeof (long);	1188	cctx->ssize = cctx_stacksize * (long)sizeof (long);
1014	New (0, cctx->sptr, coro_stacksize, long);	1189	New (0, cctx->sptr, cctx_stacksize, long);
1015		1190
1016	if (!cctx->sptr)	1191	if (!cctx->sptr)
1017	{	1192	{
1018	perror ("FATAL: unable to allocate stack for coroutine");	1193	perror ("FATAL: unable to allocate stack for coroutine");
1019	_exit (EXIT_FAILURE);	1194	_exit (EXIT_FAILURE);
…		…
1034	{	1209	{
1035	if (!cctx)	1210	if (!cctx)
1036	return;	1211	return;
1037		1212
1038	--cctx_count;	1213	--cctx_count;
		1214	coro_destroy (&cctx->cctx);
1039		1215
		1216	/* coro_transfer creates new, empty cctx's */
		1217	if (cctx->sptr)
		1218	{
1040	#if CORO_USE_VALGRIND	1219	#if CORO_USE_VALGRIND
1041	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);	1220	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
1042	#endif	1221	#endif
1043		1222
1044	#if HAVE_MMAP	1223	#if HAVE_MMAP
1045	if (cctx->flags & CC_MAPPED)	1224	if (cctx->flags & CC_MAPPED)
1046	munmap (cctx->sptr, cctx->ssize);	1225	munmap (cctx->sptr, cctx->ssize);
1047	else	1226	else
1048	#endif	1227	#endif
1049	Safefree (cctx->sptr);	1228	Safefree (cctx->sptr);
		1229	}
1050		1230
1051	Safefree (cctx);	1231	Safefree (cctx);
1052	}	1232	}
1053		1233
1054	/* wether this cctx should be destructed */	1234	/* wether this cctx should be destructed */
1055	#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))
1056		1236
1057	static coro_cctx *	1237	static coro_cctx *
1058	cctx_get (pTHX)	1238	cctx_get (pTHX)
1059	{	1239	{
1060	while (expect_true (cctx_first))	1240	while (expect_true (cctx_first))
…		…
1067	return cctx;	1247	return cctx;
1068		1248
1069	cctx_destroy (cctx);	1249	cctx_destroy (cctx);
1070	}	1250	}
1071		1251
1072	return cctx_new ();	1252	return cctx_new_run ();
1073	}	1253	}
1074		1254
1075	static void	1255	static void
1076	cctx_put (coro_cctx *cctx)	1256	cctx_put (coro_cctx *cctx)
1077	{	1257	{
		1258	assert (("cctx_put called on non-initialised cctx", cctx->sptr));
		1259
1078	/* free another cctx if overlimit */	1260	/* free another cctx if overlimit */
1079	if (expect_false (cctx_idle >= MAX_IDLE_CCTX))	1261	if (expect_false (cctx_idle >= cctx_max_idle))
1080	{	1262	{
1081	coro_cctx *first = cctx_first;	1263	coro_cctx *first = cctx_first;
1082	cctx_first = first->next;	1264	cctx_first = first->next;
1083	--cctx_idle;	1265	--cctx_idle;
1084		1266
…		…
1104	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");
1105		1287
1106	if (expect_false (next->flags & CF_DESTROYED))	1288	if (expect_false (next->flags & CF_DESTROYED))
1107	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");	1289	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
1108		1290
1109	if (
1110	#if PERL_VERSION_ATLEAST (5,9,0)	1291	#if !PERL_VERSION_ATLEAST (5,10,0)
1111	expect_false (PL_parser)
1112	#else
1113	expect_false (PL_lex_state != LEX_NOTPARSING)	1292	if (expect_false (PL_lex_state != LEX_NOTPARSING))
1114	#endif
1115	)
1116	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
1117	}	1295	}
1118	}	1296	}
1119		1297
1120	/* always use the TRANSFER macro */	1298	/* always use the TRANSFER macro */
1121	static void NOINLINE	1299	static void NOINLINE
1122	transfer (pTHX_ struct coro prev, struct coro next)	1300	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)
1123	{	1301	{
1124	dSTACKLEVEL;	1302	dSTACKLEVEL;
1125	static volatile int has_throw;
1126		1303
1127	/* sometimes transfer is only called to set idle_sp */	1304	/* sometimes transfer is only called to set idle_sp */
1128	if (expect_false (!next))	1305	if (expect_false (!next))
1129	{	1306	{
1130	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1307	((coro_cctx *)prev)->idle_sp = STACKLEVEL;
…		…
1134	{	1311	{
1135	coro_cctx *prev__cctx;	1312	coro_cctx *prev__cctx;
1136		1313
1137	if (expect_false (prev->flags & CF_NEW))	1314	if (expect_false (prev->flags & CF_NEW))
1138	{	1315	{
1139	/* create a new empty context */	1316	/* create a new empty/source context */
1140	Newz (0, prev->cctx, 1, coro_cctx);	1317	prev->cctx = cctx_new_empty ();
1141	prev->flags &= ~CF_NEW;	1318	prev->flags &= ~CF_NEW;
1142	prev->flags \|= CF_RUNNING;	1319	prev->flags \|= CF_RUNNING;
1143	}	1320	}
1144		1321
1145	prev->flags &= ~CF_RUNNING;	1322	prev->flags &= ~CF_RUNNING;
…		…
1161	load_perl (aTHX_ next);	1338	load_perl (aTHX_ next);
1162		1339
1163	prev__cctx = prev->cctx;	1340	prev__cctx = prev->cctx;
1164		1341
1165	/* possibly "free" the cctx */	1342	/* possibly "free" the cctx */
1166	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	))
1167	{	1348	{
1168	/* 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 */
1169	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));
1170		1351
1171	prev->cctx = 0;	1352	prev->cctx = 0;
…		…
1182	++next->usecount;	1363	++next->usecount;
1183		1364
1184	if (expect_true (!next->cctx))	1365	if (expect_true (!next->cctx))
1185	next->cctx = cctx_get (aTHX);	1366	next->cctx = cctx_get (aTHX);
1186		1367
1187	has_throw = !!next->throw;	1368	assert (("FATAL ERROR: internal error 1352 in Coro, please report", !transfer_next));//D
		1369	transfer_next = next;
1188		1370
1189	if (expect_false (prev__cctx != next->cctx))	1371	if (expect_false (prev__cctx != next->cctx))
1190	{	1372	{
1191	prev__cctx->top_env = PL_top_env;	1373	prev__cctx->top_env = PL_top_env;
1192	PL_top_env = next->cctx->top_env;	1374	PL_top_env = next->cctx->top_env;
1193	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);	1375	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);
1194	}	1376	}
1195		1377
1196	free_coro_mortal (aTHX);	1378	transfer_tail ();
1197	UNLOCK;
1198
1199	if (expect_false (has_throw))
1200	{
1201	struct coro *coro = SvSTATE (coro_current);
1202
1203	if (coro->throw)
1204	{
1205	SV *exception = coro->throw;
1206	coro->throw = 0;
1207	sv_setsv (ERRSV, exception);
1208	croak (0);
1209	}
1210	}
1211	}	1379	}
1212	}	1380	}
1213		1381
1214	struct transfer_args
1215	{
1216	struct coro prev, next;
1217	};
1218
1219	#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)	1382	#define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx))
1220	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)	1383	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
1221		1384
1222	/ high level stuff ******************************************************/	1385	/ high level stuff ******************************************************/
1223		1386
1224	static int	1387	static int
…		…
1248	croak ("FATAL: tried to destroy currently running coroutine");	1411	croak ("FATAL: tried to destroy currently running coroutine");
1249		1412
1250	save_perl (aTHX_ &temp);	1413	save_perl (aTHX_ &temp);
1251	load_perl (aTHX_ coro);	1414	load_perl (aTHX_ coro);
1252		1415
1253	coro_destroy (aTHX_ coro);	1416	coro_destruct (aTHX_ coro);
1254		1417
1255	load_perl (aTHX_ &temp);	1418	load_perl (aTHX_ &temp);
1256		1419
1257	coro->slot = 0;	1420	coro->slot = 0;
1258	}	1421	}
…		…
1318	{	1481	{
1319	dTHX;	1482	dTHX;
1320	struct transfer_args ta;	1483	struct transfer_args ta;
1321		1484
1322	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);	1485	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1323	TRANSFER (ta);	1486	TRANSFER (ta, 1);
1324	}	1487	}
1325		1488
1326	/ Coro ******************************************************************/	1489	/ Coro ******************************************************************/
1327		1490
1328	static void	1491	static void
…		…
1346	static int	1509	static int
1347	api_ready (SV *coro_sv)	1510	api_ready (SV *coro_sv)
1348	{	1511	{
1349	dTHX;	1512	dTHX;
1350	struct coro *coro;	1513	struct coro *coro;
		1514	SV *sv_hook;
		1515	void (*xs_hook)(void);
1351		1516
1352	if (SvROK (coro_sv))	1517	if (SvROK (coro_sv))
1353	coro_sv = SvRV (coro_sv);	1518	coro_sv = SvRV (coro_sv);
1354		1519
1355	coro = SvSTATE (coro_sv);	1520	coro = SvSTATE (coro_sv);
…		…
1358	return 0;	1523	return 0;
1359		1524
1360	coro->flags \|= CF_READY;	1525	coro->flags \|= CF_READY;
1361		1526
1362	LOCK;	1527	LOCK;
		1528
		1529	sv_hook = coro_nready ? 0 : coro_readyhook;
		1530	xs_hook = coro_nready ? 0 : coroapi.readyhook;
		1531
1363	coro_enq (aTHX_ SvREFCNT_inc (coro_sv));	1532	coro_enq (aTHX_ SvREFCNT_inc_NN (coro_sv));
1364	++coro_nready;	1533	++coro_nready;
		1534
1365	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 ();
1366		1555
1367	return 1;	1556	return 1;
1368	}	1557	}
1369		1558
1370	static int	1559	static int
…		…
1394	SAVETMPS;	1583	SAVETMPS;
1395		1584
1396	PUSHMARK (SP);	1585	PUSHMARK (SP);
1397	PUTBACK;	1586	PUTBACK;
1398	call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD);	1587	call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD);
		1588	SPAGAIN;
1399		1589
1400	FREETMPS;	1590	FREETMPS;
1401	LEAVE;	1591	LEAVE;
1402	continue;	1592	continue;
1403	}	1593	}
…		…
1407	/* cannot transfer to destroyed coros, skip and look for next */	1597	/* cannot transfer to destroyed coros, skip and look for next */
1408	if (expect_false (ta->next->flags & CF_DESTROYED))	1598	if (expect_false (ta->next->flags & CF_DESTROYED))
1409	{	1599	{
1410	UNLOCK;	1600	UNLOCK;
1411	SvREFCNT_dec (next_sv);	1601	SvREFCNT_dec (next_sv);
1412	/* coro_nready is already taken care of by destroy */	1602	/* coro_nready has already been taken care of by destroy */
1413	continue;	1603	continue;
1414	}	1604	}
1415		1605
1416	--coro_nready;	1606	--coro_nready;
1417	UNLOCK;	1607	UNLOCK;
…		…
1458	{	1648	{
1459	dTHX;	1649	dTHX;
1460	struct transfer_args ta;	1650	struct transfer_args ta;
1461		1651
1462	prepare_schedule (aTHX_ &ta);	1652	prepare_schedule (aTHX_ &ta);
1463	TRANSFER (ta);	1653	TRANSFER (ta, 1);
1464	}	1654	}
1465		1655
1466	static int	1656	static int
1467	api_cede (void)	1657	api_cede (void)
1468	{	1658	{
…		…
1471		1661
1472	prepare_cede (aTHX_ &ta);	1662	prepare_cede (aTHX_ &ta);
1473		1663
1474	if (expect_true (ta.prev != ta.next))	1664	if (expect_true (ta.prev != ta.next))
1475	{	1665	{
1476	TRANSFER (ta);	1666	TRANSFER (ta, 1);
1477	return 1;	1667	return 1;
1478	}	1668	}
1479	else	1669	else
1480	return 0;	1670	return 0;
1481	}	1671	}
…		…
1486	dTHX;	1676	dTHX;
1487	struct transfer_args ta;	1677	struct transfer_args ta;
1488		1678
1489	if (prepare_cede_notself (aTHX_ &ta))	1679	if (prepare_cede_notself (aTHX_ &ta))
1490	{	1680	{
1491	TRANSFER (ta);	1681	TRANSFER (ta, 1);
1492	return 1;	1682	return 1;
1493	}	1683	}
1494	else	1684	else
1495	return 0;	1685	return 0;
1496	}	1686	}
…		…
1502	struct coro *coro = SvSTATE (coro_sv);	1692	struct coro *coro = SvSTATE (coro_sv);
1503		1693
1504	if (flags & CC_TRACE)	1694	if (flags & CC_TRACE)
1505	{	1695	{
1506	if (!coro->cctx)	1696	if (!coro->cctx)
1507	coro->cctx = cctx_new ();	1697	coro->cctx = cctx_new_run ();
1508	else if (!(coro->cctx->flags & CC_TRACE))	1698	else if (!(coro->cctx->flags & CC_TRACE))
1509	croak ("cannot enable tracing on coroutine with custom stack");	1699	croak ("cannot enable tracing on coroutine with custom stack");
1510		1700
1511	coro->cctx->flags \|= CC_NOREUSE \| (flags & (CC_TRACE \| CC_TRACE_ALL));	1701	coro->cctx->flags \|= CC_NOREUSE \| (flags & (CC_TRACE \| CC_TRACE_ALL));
1512	}	1702	}
…		…
1519	else	1709	else
1520	coro->slot->runops = RUNOPS_DEFAULT;	1710	coro->slot->runops = RUNOPS_DEFAULT;
1521	}	1711	}
1522	}	1712	}
1523		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
1524	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	1808	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1525		1809
1526	PROTOTYPES: DISABLE	1810	PROTOTYPES: DISABLE
1527		1811
1528	BOOT:	1812	BOOT:
1529	{	1813	{
1530	#ifdef USE_ITHREADS	1814	#ifdef USE_ITHREADS
1531	MUTEX_INIT (&coro_mutex);	1815	MUTEX_INIT (&coro_lock);
		1816	# if CORO_PTHREAD
		1817	coro_thx = PERL_GET_CONTEXT;
		1818	# endif
1532	#endif	1819	#endif
1533	BOOT_PAGESIZE;	1820	BOOT_PAGESIZE;
1534		1821
1535	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);	1822	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
1536	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);	1823	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
1537	#if 0	1824
1538	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;
1539	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;
1540	#endif	1827	orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr;
		1828
1541	hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);	1829	hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);
1542	rv_diehook = SvREFCNT_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));	1830	rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));
1543	rv_warnhook = SvREFCNT_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));	1831	rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));
1544		1832
1545	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	1833	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1546		1834
1547	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));	1835	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1548	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));	1836	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
…		…
1553	main_top_env = PL_top_env;	1841	main_top_env = PL_top_env;
1554		1842
1555	while (main_top_env->je_prev)	1843	while (main_top_env->je_prev)
1556	main_top_env = main_top_env->je_prev;	1844	main_top_env = main_top_env->je_prev;
1557		1845
1558	coroapi.ver = CORO_API_VERSION;	1846	coroapi.ver = CORO_API_VERSION;
1559	coroapi.rev = CORO_API_REVISION;	1847	coroapi.rev = CORO_API_REVISION;
1560	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	}
1561		1858
1562	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	1859	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
1563	}	1860	}
1564		1861
1565	SV *	1862	SV *
…		…
1603	Coro::cede_notself = 4	1900	Coro::cede_notself = 4
1604	CODE:	1901	CODE:
1605	{	1902	{
1606	struct transfer_args ta;	1903	struct transfer_args ta;
1607		1904
		1905	PUTBACK;
1608	switch (ix)	1906	switch (ix)
1609	{	1907	{
1610	case 0:	1908	case 0:
1611	ta.prev = (struct coro )INT2PTR (coro_cctx , SvIV (ST (0)));	1909	prepare_set_stacklevel (&ta, (struct coro_cctx *)SvIV (ST (0)));
1612	ta.next = 0;
1613	break;	1910	break;
1614		1911
1615	case 1:	1912	case 1:
1616	if (items != 2)	1913	if (items != 2)
1617	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);
1618		1915
1619	prepare_transfer (aTHX_ &ta, ST (0), ST (1));	1916	prepare_transfer (aTHX_ &ta, ST (0), ST (1));
1620	break;	1917	break;
1621		1918
1622	case 2:	1919	case 2:
…		…
1631	if (!prepare_cede_notself (aTHX_ &ta))	1928	if (!prepare_cede_notself (aTHX_ &ta))
1632	XSRETURN_EMPTY;	1929	XSRETURN_EMPTY;
1633		1930
1634	break;	1931	break;
1635	}	1932	}
		1933	SPAGAIN;
1636		1934
1637	BARRIER;	1935	BARRIER;
1638	PUTBACK;	1936	PUTBACK;
1639	TRANSFER (ta);	1937	TRANSFER (ta, 0);
1640	SPAGAIN; /* might be the sp of a different coroutine now */	1938	SPAGAIN; /* might be the sp of a different coroutine now */
1641	/* be extra careful not to ever do anything after TRANSFER */	1939	/* be extra careful not to ever do anything after TRANSFER */
1642	}	1940	}
1643		1941
1644	bool	1942	bool
…		…
1647	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));	1945	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));
1648	OUTPUT:	1946	OUTPUT:
1649	RETVAL	1947	RETVAL
1650		1948
1651	void	1949	void
1652	_exit (code)	1950	_exit (int code)
1653	int code
1654	PROTOTYPE: $	1951	PROTOTYPE: $
1655	CODE:	1952	CODE:
1656	_exit (code);	1953	_exit (code);
1657		1954
1658	int	1955	int
1659	cctx_stacksize (int new_stacksize = 0)	1956	cctx_stacksize (int new_stacksize = 0)
1660	CODE:	1957	CODE:
1661	RETVAL = coro_stacksize;	1958	RETVAL = cctx_stacksize;
1662	if (new_stacksize)	1959	if (new_stacksize)
		1960	{
1663	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;
1664	OUTPUT:	1973	OUTPUT:
1665	RETVAL	1974	RETVAL
1666		1975
1667	int	1976	int
1668	cctx_count ()	1977	cctx_count ()
…		…
1692	call (Coro::State coro, SV *coderef)	2001	call (Coro::State coro, SV *coderef)
1693	ALIAS:	2002	ALIAS:
1694	eval = 1	2003	eval = 1
1695	CODE:	2004	CODE:
1696	{	2005	{
1697	if (coro->mainstack)	2006	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))
1698	{	2007	{
1699	struct coro temp;	2008	struct coro temp;
1700		2009
1701	if (!(coro->flags & CF_RUNNING))	2010	if (!(coro->flags & CF_RUNNING))
1702	{	2011	{
		2012	PUTBACK;
1703	save_perl (aTHX_ &temp);	2013	save_perl (aTHX_ &temp);
1704	load_perl (aTHX_ coro);	2014	load_perl (aTHX_ coro);
1705	}	2015	}
1706		2016
1707	{	2017	{
…		…
1726		2036
1727	if (!(coro->flags & CF_RUNNING))	2037	if (!(coro->flags & CF_RUNNING))
1728	{	2038	{
1729	save_perl (aTHX_ coro);	2039	save_perl (aTHX_ coro);
1730	load_perl (aTHX_ &temp);	2040	load_perl (aTHX_ &temp);
		2041	SPAGAIN;
1731	}	2042	}
1732	}	2043	}
1733	}	2044	}
1734		2045
1735	SV *	2046	SV *
…		…
1744	RETVAL = boolSV (coro->flags & ix);	2055	RETVAL = boolSV (coro->flags & ix);
1745	OUTPUT:	2056	OUTPUT:
1746	RETVAL	2057	RETVAL
1747		2058
1748	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
1749	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)	2067	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)
1750		2068
1751	SV *	2069	SV *
1752	has_stack (Coro::State coro)	2070	has_cctx (Coro::State coro)
1753	PROTOTYPE: $	2071	PROTOTYPE: $
1754	CODE:	2072	CODE:
1755	RETVAL = boolSV (!!coro->cctx);	2073	RETVAL = boolSV (!!coro->cctx);
1756	OUTPUT:	2074	OUTPUT:
1757	RETVAL	2075	RETVAL
…		…
1762	CODE:	2080	CODE:
1763	RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL;	2081	RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL;
1764	OUTPUT:	2082	OUTPUT:
1765	RETVAL	2083	RETVAL
1766		2084
1767	IV	2085	UV
1768	rss (Coro::State coro)	2086	rss (Coro::State coro)
1769	PROTOTYPE: $	2087	PROTOTYPE: $
1770	ALIAS:	2088	ALIAS:
1771	usecount = 1	2089	usecount = 1
1772	CODE:	2090	CODE:
…		…
1776	case 1: RETVAL = coro->usecount; break;	2094	case 1: RETVAL = coro->usecount; break;
1777	}	2095	}
1778	OUTPUT:	2096	OUTPUT:
1779	RETVAL	2097	RETVAL
1780		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	}
1781		2120
1782	MODULE = Coro::State PACKAGE = Coro	2121	MODULE = Coro::State PACKAGE = Coro
1783		2122
1784	BOOT:	2123	BOOT:
1785	{	2124	{
1786	int i;	2125	int i;
1787		2126
		2127	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
1788	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);	2128	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
1789	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);	2129	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
1790	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
1791		2130
1792	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);	2131	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);
1793	SvREADONLY_on (coro_current);	2132	SvREADONLY_on (coro_current);
1794		2133
1795	coro_stash = gv_stashpv ("Coro", TRUE);	2134	coro_stash = gv_stashpv ("Coro", TRUE);
…		…
1825	void	2164	void
1826	_set_current (SV *current)	2165	_set_current (SV *current)
1827	PROTOTYPE: $	2166	PROTOTYPE: $
1828	CODE:	2167	CODE:
1829	SvREFCNT_dec (SvRV (coro_current));	2168	SvREFCNT_dec (SvRV (coro_current));
1830	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;
1831		2179
1832	int	2180	int
1833	prio (Coro::State coro, int newprio = 0)	2181	prio (Coro::State coro, int newprio = 0)
1834	ALIAS:	2182	ALIAS:
1835	nice = 1	2183	nice = 1
…		…
1865	CODE:	2213	CODE:
1866	RETVAL = coro_nready;	2214	RETVAL = coro_nready;
1867	OUTPUT:	2215	OUTPUT:
1868	RETVAL	2216	RETVAL
1869		2217
1870	void
1871	throw (Coro::State self, SV *throw = &PL_sv_undef)
1872	PROTOTYPE: $;$
1873	CODE:
1874	SvREFCNT_dec (self->throw);
1875	self->throw = SvOK (throw) ? newSVsv (throw) : 0;
1876
1877	# for async_pool speedup	2218	# for async_pool speedup
1878	void	2219	void
1879	_pool_1 (SV *cb)	2220	_pool_1 (SV *cb)
1880	CODE:	2221	CODE:
1881	{	2222	{
…		…
1885	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);	2226	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
1886	AV *invoke_av;	2227	AV *invoke_av;
1887	int i, len;	2228	int i, len;
1888		2229
1889	if (!invoke)	2230	if (!invoke)
		2231	{
		2232	SV *old = PL_diehook;
		2233	PL_diehook = 0;
		2234	SvREFCNT_dec (old);
1890	croak ("\3async_pool terminate\2\n");	2235	croak ("\3async_pool terminate\2\n");
		2236	}
1891		2237
1892	SvREFCNT_dec (coro->saved_deffh);	2238	SvREFCNT_dec (coro->saved_deffh);
1893	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);	2239	coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv);
1894		2240
1895	hv_store (hv, "desc", sizeof ("desc") - 1,	2241	hv_store (hv, "desc", sizeof ("desc") - 1,
1896	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);	2242	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
1897		2243
1898	invoke_av = (AV *)SvRV (invoke);	2244	invoke_av = (AV *)SvRV (invoke);
…		…
1902		2248
1903	if (len > 0)	2249	if (len > 0)
1904	{	2250	{
1905	av_fill (defav, len - 1);	2251	av_fill (defav, len - 1);
1906	for (i = 0; i < len; ++i)	2252	for (i = 0; i < len; ++i)
1907	av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1]));	2253	av_store (defav, i, SvREFCNT_inc_NN (AvARRAY (invoke_av)[i + 1]));
1908	}	2254	}
1909		2255
1910	SvREFCNT_dec (invoke);	2256	SvREFCNT_dec (invoke);
1911	}	2257	}
1912		2258
…		…
1919	sv_setsv (cb, &PL_sv_undef);	2265	sv_setsv (cb, &PL_sv_undef);
1920		2266
1921	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;	2267	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;
1922	coro->saved_deffh = 0;	2268	coro->saved_deffh = 0;
1923		2269
1924	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)	2270	if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss)
1925	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))	2271	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
		2272	{
		2273	SV *old = PL_diehook;
		2274	PL_diehook = 0;
		2275	SvREFCNT_dec (old);
1926	croak ("\3async_pool terminate\2\n");	2276	croak ("\3async_pool terminate\2\n");
		2277	}
1927		2278
1928	av_clear (GvAV (PL_defgv));	2279	av_clear (GvAV (PL_defgv));
1929	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,	2280	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
1930	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);	2281	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
1931		2282
…		…
1935	api_trace (coro_current, 0);	2286	api_trace (coro_current, 0);
1936		2287
1937	av_push (av_async_pool, newSVsv (coro_current));	2288	av_push (av_async_pool, newSVsv (coro_current));
1938	}	2289	}
1939		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
1940		2339
1941	MODULE = Coro::State PACKAGE = Coro::AIO	2340	MODULE = Coro::State PACKAGE = Coro::AIO
1942		2341
1943	SV *	2342	void
1944	_get_state ()	2343	_get_state (SV *self)
1945	CODE:	2344	PPCODE:
1946	{	2345	{
1947	struct io_state *data;	2346	AV *defav = GvAV (PL_defgv);
1948		2347	AV *av = newAV ();
		2348	int i;
1949	RETVAL = newSV (sizeof (struct io_state));	2349	SV *data_sv = newSV (sizeof (struct io_state));
1950	data = (struct io_state *)SvPVX (RETVAL);	2350	struct io_state data = (struct io_state )SvPVX (data_sv);
1951	SvCUR_set (RETVAL, sizeof (struct io_state));	2351	SvCUR_set (data_sv, sizeof (struct io_state));
1952	SvPOK_only (RETVAL);	2352	SvPOK_only (data_sv);
1953		2353
1954	data->errorno = errno;	2354	data->errorno = errno;
1955	data->laststype = PL_laststype;	2355	data->laststype = PL_laststype;
1956	data->laststatval = PL_laststatval;	2356	data->laststatval = PL_laststatval;
1957	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);
1958	}	2369	}
1959	OUTPUT:
1960	RETVAL
1961		2370
1962	void	2371	void
1963	_set_state (char *data_)	2372	_set_state (SV *state)
1964	PROTOTYPE: $	2373	PROTOTYPE: $
1965	CODE:	2374	PPCODE:
1966	{	2375	{
1967	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;
1968		2379
1969	errno = data->errorno;	2380	errno = data->errorno;
1970	PL_laststype = data->laststype;	2381	PL_laststype = data->laststype;
1971	PL_laststatval = data->laststatval;	2382	PL_laststatval = data->laststatval;
1972	PL_statcache = data->statcache;	2383	PL_statcache = data->statcache;
1973	}
1974		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 1.218 by root, Mon Dec 3 00:41:45 2007 UTC vs. Revision 1.260 by root, Mon Nov 10 04:37:23 2008 UTC

Diff Legend

Comparing Coro/Coro/State.xs (file contents):
Revision 1.218 by root, Mon Dec 3 00:41:45 2007 UTC vs.
Revision 1.260 by root, Mon Nov 10 04:37:23 2008 UTC