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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.215 by root, Sun Oct 14 19:34:09 2007 UTC vs.
Revision 1.259 by root, Mon Nov 10 00:02:29 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 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 char next_has_throw; /* speedup flag for next->throw check */
151		187
152	static GV irsgv; / $/ */	188	static GV irsgv; / $/ */
153	static GV stdoutgv; / STDOUT /	189	static GV stdoutgv; / STDOUT /
154	static SV *rv_diehook;	190	static SV *rv_diehook;
155	static SV *rv_warnhook;	191	static SV *rv_warnhook;
…		…
157		193
158	/* async_pool helper stuff */	194	/* async_pool helper stuff */
159	static SV *sv_pool_rss;	195	static SV *sv_pool_rss;
160	static SV *sv_pool_size;	196	static SV *sv_pool_size;
161	static AV *av_async_pool;	197	static AV *av_async_pool;
		198
		199	/* Coro::AnyEvent */
		200	static SV *sv_activity;
162		201
163	static struct coro_cctx *cctx_first;	202	static struct coro_cctx *cctx_first;
164	static int cctx_count, cctx_idle;	203	static int cctx_count, cctx_idle;
165		204
166	enum {	205	enum {
…		…
184	void idle_sp; / sp of top-level transfer/schedule/cede call */	223	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 */	224	JMPENV idle_te; / same as idle_sp, but for top_env, TODO: remove once stable */
186	JMPENV *top_env;	225	JMPENV *top_env;
187	coro_context cctx;	226	coro_context cctx;
188		227
		228	U32 gen;
189	#if CORO_USE_VALGRIND	229	#if CORO_USE_VALGRIND
190	int valgrind_id;	230	int valgrind_id;
191	#endif	231	#endif
192	unsigned char flags;	232	unsigned char flags;
193	} coro_cctx;	233	} coro_cctx;
…		…
252	#define PRIO_IDLE -3	292	#define PRIO_IDLE -3
253	#define PRIO_MIN -4	293	#define PRIO_MIN -4
254		294
255	/* for Coro.pm */	295	/* for Coro.pm */
256	static SV *coro_current;	296	static SV *coro_current;
		297	static SV *coro_readyhook;
257	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];	298	static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1];
258	static int coro_nready;	299	static int coro_nready;
259	static struct coro *coro_first;	300	static struct coro *coro_first;
260		301
261	/ lowlevel stuff ********************************************************/	302	/ lowlevel stuff ********************************************************/
262		303
263	static SV *	304	static SV *
264	coro_get_sv (pTHX_ const char *name, int create)	305	coro_get_sv (pTHX_ const char *name, int create)
265	{	306	{
266	#if PERL_VERSION_ATLEAST (5,9,0)	307	#if PERL_VERSION_ATLEAST (5,10,0)
267	/* silence stupid and wrong 5.10 warning that I am unable to switch off */	308	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
268	get_sv (name, create);	309	get_sv (name, create);
269	#endif	310	#endif
270	return get_sv (name, create);	311	return get_sv (name, create);
271	}	312	}
272		313
273	static AV *	314	static AV *
274	coro_get_av (pTHX_ const char *name, int create)	315	coro_get_av (pTHX_ const char *name, int create)
275	{	316	{
276	#if PERL_VERSION_ATLEAST (5,9,0)	317	#if PERL_VERSION_ATLEAST (5,10,0)
277	/* silence stupid and wrong 5.10 warning that I am unable to switch off */	318	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
278	get_av (name, create);	319	get_av (name, create);
279	#endif	320	#endif
280	return get_av (name, create);	321	return get_av (name, create);
281	}	322	}
282		323
283	static HV *	324	static HV *
284	coro_get_hv (pTHX_ const char *name, int create)	325	coro_get_hv (pTHX_ const char *name, int create)
285	{	326	{
286	#if PERL_VERSION_ATLEAST (5,9,0)	327	#if PERL_VERSION_ATLEAST (5,10,0)
287	/* silence stupid and wrong 5.10 warning that I am unable to switch off */	328	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
288	get_hv (name, create);	329	get_hv (name, create);
289	#endif	330	#endif
290	return get_hv (name, create);	331	return get_hv (name, create);
291	}	332	}
…		…
296	AV *padlist = CvPADLIST (cv);	337	AV *padlist = CvPADLIST (cv);
297	AV newpadlist, newpad;	338	AV newpadlist, newpad;
298		339
299	newpadlist = newAV ();	340	newpadlist = newAV ();
300	AvREAL_off (newpadlist);	341	AvREAL_off (newpadlist);
301	#if PERL_VERSION_ATLEAST (5,9,0)	342	#if PERL_VERSION_ATLEAST (5,10,0)
302	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);	343	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);
303	#else	344	#else
304	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);	345	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
305	#endif	346	#endif
306	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];	347	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
307	--AvFILLp (padlist);	348	--AvFILLp (padlist);
308		349
309	av_store (newpadlist, 0, SvREFCNT_inc (*av_fetch (padlist, 0, FALSE)));	350	av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE)));
310	av_store (newpadlist, 1, (SV *)newpad);	351	av_store (newpadlist, 1, (SV *)newpad);
311		352
312	return newpadlist;	353	return newpadlist;
313	}	354	}
314		355
…		…
344		385
345	/* casting is fun. */	386	/* casting is fun. */
346	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))	387	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
347	free_padlist (aTHX_ padlist);	388	free_padlist (aTHX_ padlist);
348		389
		390	SvREFCNT_dec (av); /* sv_magicext increased the refcount */
		391
349	return 0;	392	return 0;
350	}	393	}
351		394
352	#define CORO_MAGIC_type_cv PERL_MAGIC_ext	395	#define CORO_MAGIC_type_cv PERL_MAGIC_ext
353	#define CORO_MAGIC_type_state PERL_MAGIC_ext	396	#define CORO_MAGIC_type_state PERL_MAGIC_ext
…		…
355	static MGVTBL coro_cv_vtbl = {	398	static MGVTBL coro_cv_vtbl = {
356	0, 0, 0, 0,	399	0, 0, 0, 0,
357	coro_cv_free	400	coro_cv_free
358	};	401	};
359		402
360	#define CORO_MAGIC(sv,type) \	403	#define CORO_MAGIC(sv, type) \
361	SvMAGIC (sv) \	404	SvMAGIC (sv) \
362	? SvMAGIC (sv)->mg_type == type \	405	? SvMAGIC (sv)->mg_type == type \
363	? SvMAGIC (sv) \	406	? SvMAGIC (sv) \
364	: mg_find (sv, type) \	407	: mg_find (sv, type) \
365	: 0	408	: 0
366		409
367	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)	410	#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)	411	#define CORO_MAGIC_state(sv) CORO_MAGIC (((SV *)(sv)), CORO_MAGIC_type_state)
369		412
370	static struct coro *	413	static struct coro *
…		…
403	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))	446	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))
404	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];	447	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
405	else	448	else
406	{	449	{
407	#if CORO_PREFER_PERL_FUNCTIONS	450	#if CORO_PREFER_PERL_FUNCTIONS
408	/* this is probably cleaner, but also slower? */	451	/* this is probably cleaner? but also slower! */
		452	/* in practise, it seems to be less stable */
409	CV *cp = Perl_cv_clone (cv);	453	CV *cp = Perl_cv_clone (cv);
410	CvPADLIST (cv) = CvPADLIST (cp);	454	CvPADLIST (cv) = CvPADLIST (cp);
411	CvPADLIST (cp) = 0;	455	CvPADLIST (cp) = 0;
412	SvREFCNT_dec (cp);	456	SvREFCNT_dec (cp);
413	#else	457	#else
…		…
497		541
498	if (expect_true (CvDEPTH (cv)))	542	if (expect_true (CvDEPTH (cv)))
499	{	543	{
500	EXTEND (SP, 3);	544	EXTEND (SP, 3);
501	PUSHs ((SV *)CvPADLIST (cv));	545	PUSHs ((SV *)CvPADLIST (cv));
502	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));	546	PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv)));
503	PUSHs ((SV *)cv);	547	PUSHs ((SV *)cv);
504		548
505	CvDEPTH (cv) = 0;	549	CvDEPTH (cv) = 0;
506	get_padlist (aTHX_ cv);	550	get_padlist (aTHX_ cv);
507	}	551	}
…		…
587		631
588	New(54,PL_savestack,24,ANY);	632	New(54,PL_savestack,24,ANY);
589	PL_savestack_ix = 0;	633	PL_savestack_ix = 0;
590	PL_savestack_max = 24;	634	PL_savestack_max = 24;
591		635
592	#if !PERL_VERSION_ATLEAST (5,9,0)	636	#if !PERL_VERSION_ATLEAST (5,10,0)
593	New(54,PL_retstack,4,OP*);	637	New(54,PL_retstack,4,OP*);
594	PL_retstack_ix = 0;	638	PL_retstack_ix = 0;
595	PL_retstack_max = 4;	639	PL_retstack_max = 4;
596	#endif	640	#endif
597	}	641	}
…		…
599		643
600	/*	644	/*
601	* destroy the stacks, the callchain etc...	645	* destroy the stacks, the callchain etc...
602	*/	646	*/
603	static void	647	static void
604	coro_destroy_stacks (pTHX)	648	coro_destruct_stacks (pTHX)
605	{	649	{
606	while (PL_curstackinfo->si_next)	650	while (PL_curstackinfo->si_next)
607	PL_curstackinfo = PL_curstackinfo->si_next;	651	PL_curstackinfo = PL_curstackinfo->si_next;
608		652
609	while (PL_curstackinfo)	653	while (PL_curstackinfo)
…		…
620		664
621	Safefree (PL_tmps_stack);	665	Safefree (PL_tmps_stack);
622	Safefree (PL_markstack);	666	Safefree (PL_markstack);
623	Safefree (PL_scopestack);	667	Safefree (PL_scopestack);
624	Safefree (PL_savestack);	668	Safefree (PL_savestack);
625	#if !PERL_VERSION_ATLEAST (5,9,0)	669	#if !PERL_VERSION_ATLEAST (5,10,0)
626	Safefree (PL_retstack);	670	Safefree (PL_retstack);
627	#endif	671	#endif
628	}	672	}
629		673
630	static size_t	674	static size_t
…		…
646	#undef VAR	690	#undef VAR
647	}	691	}
648	else	692	else
649	slot = coro->slot;	693	slot = coro->slot;
650		694
		695	if (slot)
		696	{
651	rss += sizeof (slot->curstackinfo);	697	rss += sizeof (slot->curstackinfo);
652	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);	698	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
653	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);	699	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);
654	rss += slot->tmps_max * sizeof (SV *);	700	rss += slot->tmps_max * sizeof (SV *);
655	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);	701	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
656	rss += slot->scopestack_max * sizeof (I32);	702	rss += slot->scopestack_max * sizeof (I32);
657	rss += slot->savestack_max * sizeof (ANY);	703	rss += slot->savestack_max * sizeof (ANY);
658		704
659	#if !PERL_VERSION_ATLEAST (5,9,0)	705	#if !PERL_VERSION_ATLEAST (5,10,0)
660	rss += slot->retstack_max * sizeof (OP *);	706	rss += slot->retstack_max * sizeof (OP *);
661	#endif	707	#endif
		708	}
662	}	709	}
663		710
664	return rss;	711	return rss;
665	}	712	}
666		713
667	/ coroutine stack handling **********************************************/	714	/ coroutine stack handling **********************************************/
668		715
669	#if 0
670	static int (orig_sigelem_get) (pTHX_ SV sv, MAGIC *mg);	716	static int (orig_sigelem_get) (pTHX_ SV sv, MAGIC *mg);
		717	static int (orig_sigelem_set) (pTHX_ SV sv, MAGIC *mg);
		718	static int (orig_sigelem_clr) (pTHX_ SV sv, MAGIC *mg);
		719
		720	/* apparently < 5.8.8 */
		721	#ifndef MgPV_nolen_const
		722	#define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \
		723	SvPV_nolen((SV*)((mg)->mg_ptr)) : \
		724	(const char*)(mg)->mg_ptr)
		725	#endif
671		726
672	/*	727	/*
673	* This overrides the default magic get method of %SIG elements.	728	* 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	729	* 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	730	* and instead of tryign to save and restore the hash elements, we just provide
…		…
679	* when a schedule happens then, but we ignore this.	734	* when a schedule happens then, but we ignore this.
680	*/	735	*/
681	static int	736	static int
682	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)	737	coro_sigelem_get (pTHX_ SV sv, MAGIC mg)
683	{	738	{
684	return orig_sigelem_get (aTHX_ sv, mg);
685	const char *s = MgPV_nolen_const (mg);	739	const char *s = MgPV_nolen_const (mg);
686		740
687	if (*s == '_')	741	if (*s == '_')
688	{	742	{
689	if (strEQ (s, "__DIE__" ) && PL_diehook ) return sv_setsv (sv, PL_diehook ), 0;	743	SV **svp = 0;
690	if (strEQ (s, "__WARN__") && PL_warnhook) return sv_setsv (sv, PL_warnhook), 0;	744
		745	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		746	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		747
		748	if (svp)
		749	{
		750	sv_setsv (sv, svp ? svp : &PL_sv_undef);
		751	return 0;
		752	}
		753	}
		754
		755	return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0;
		756	}
		757
		758	static int
		759	coro_sigelem_clr (pTHX_ SV sv, MAGIC mg)
		760	{
		761	const char *s = MgPV_nolen_const (mg);
		762
		763	if (*s == '_')
691	}	764	{
		765	SV **svp = 0;
692		766
		767	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		768	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		769
		770	if (svp)
		771	{
		772	SV old = svp;
		773	*svp = 0;
		774	SvREFCNT_dec (old);
		775	return 0;
		776	}
		777	}
		778
		779	return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0;
		780	}
		781
		782	static int
		783	coro_sigelem_set (pTHX_ SV sv, MAGIC mg)
		784	{
		785	const char *s = MgPV_nolen_const (mg);
		786
		787	if (*s == '_')
		788	{
		789	SV **svp = 0;
		790
		791	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		792	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		793
		794	if (svp)
		795	{
		796	SV old = svp;
		797	*svp = newSVsv (sv);
		798	SvREFCNT_dec (old);
		799	return 0;
		800	}
		801	}
		802
693	return orig_sigelem_get (aTHX_ sv, mg);	803	return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0;
694	}	804	}
695	#endif
696		805
697	static void	806	static void
698	coro_setup (pTHX_ struct coro *coro)	807	coro_setup (pTHX_ struct coro *coro)
699	{	808	{
700	/*	809	/*
…		…
709	PL_curpm = 0;	818	PL_curpm = 0;
710	PL_curpad = 0;	819	PL_curpad = 0;
711	PL_localizing = 0;	820	PL_localizing = 0;
712	PL_dirty = 0;	821	PL_dirty = 0;
713	PL_restartop = 0;	822	PL_restartop = 0;
		823	#if PERL_VERSION_ATLEAST (5,10,0)
		824	PL_parser = 0;
		825	#endif
714		826
715	/* recreate the die/warn hooks */	827	/* recreate the die/warn hooks */
716	PL_diehook = 0;	828	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);	829	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		830
724	GvSV (PL_defgv) = newSV (0);	831	GvSV (PL_defgv) = newSV (0);
725	GvAV (PL_defgv) = coro->args; coro->args = 0;	832	GvAV (PL_defgv) = coro->args; coro->args = 0;
726	GvSV (PL_errgv) = newSV (0);	833	GvSV (PL_errgv) = newSV (0);
727	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);	834	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
728	PL_rs = newSVsv (GvSV (irsgv));	835	PL_rs = newSVsv (GvSV (irsgv));
729	PL_defoutgv = (GV *)SvREFCNT_inc (stdoutgv);	836	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);
730		837
731	{	838	{
732	dSP;	839	dSP;
733	LOGOP myop;	840	LOGOP myop;
734		841
…		…
751	*/	858	*/
752	ENTER;	859	ENTER;
753	}	860	}
754		861
755	static void	862	static void
756	coro_destroy (pTHX_ struct coro *coro)	863	coro_destruct (pTHX_ struct coro *coro)
757	{	864	{
758	if (!IN_DESTRUCT)	865	if (!IN_DESTRUCT)
759	{	866	{
760	/* restore all saved variables and stuff */	867	/* restore all saved variables and stuff */
761	LEAVE_SCOPE (0);	868	LEAVE_SCOPE (0);
…		…
783	SvREFCNT_dec (PL_warnhook);	890	SvREFCNT_dec (PL_warnhook);
784		891
785	SvREFCNT_dec (coro->saved_deffh);	892	SvREFCNT_dec (coro->saved_deffh);
786	SvREFCNT_dec (coro->throw);	893	SvREFCNT_dec (coro->throw);
787		894
788	coro_destroy_stacks (aTHX);	895	coro_destruct_stacks (aTHX);
789	}	896	}
790		897
791	static void	898	static void
792	free_coro_mortal (pTHX)	899	free_coro_mortal (pTHX)
793	{	900	{
…		…
830	: cx->blk_gimme == G_SCALAR ? bot + 1	937	: cx->blk_gimme == G_SCALAR ? bot + 1
831	: bot;	938	: bot;
832		939
833	av_extend (av, top - bot);	940	av_extend (av, top - bot);
834	while (bot < top)	941	while (bot < top)
835	av_push (av, SvREFCNT_inc (*bot++));	942	av_push (av, SvREFCNT_inc_NN (*bot++));
836		943
837	PL_runops = RUNOPS_DEFAULT;	944	PL_runops = RUNOPS_DEFAULT;
838	ENTER;	945	ENTER;
839	SAVETMPS;	946	SAVETMPS;
840	EXTEND (SP, 3);	947	EXTEND (SP, 3);
…		…
878	SAVETMPS;	985	SAVETMPS;
879	EXTEND (SP, 3);	986	EXTEND (SP, 3);
880	PUSHMARK (SP);	987	PUSHMARK (SP);
881	PUSHs (&PL_sv_yes);	988	PUSHs (&PL_sv_yes);
882	PUSHs (fullname);	989	PUSHs (fullname);
883	PUSHs (cx->blk_sub.hasargs ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);	990	PUSHs (CxHASARGS (cx) ? sv_2mortal (newRV_inc ((SV *)cx->blk_sub.argarray)) : &PL_sv_undef);
884	PUTBACK;	991	PUTBACK;
885	cb = hv_fetch ((HV *)SvRV (coro_current), "_trace_sub_cb", sizeof ("_trace_sub_cb") - 1, 0);	992	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);	993	if (cb) call_sv (*cb, G_KEEPERR \| G_EVAL \| G_VOID \| G_DISCARD);
887	SPAGAIN;	994	SPAGAIN;
888	FREETMPS;	995	FREETMPS;
…		…
923	}	1030	}
924		1031
925	/* inject a fake call to Coro::State::_cctx_init into the execution */	1032	/* 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 */	1033	/* _cctx_init should be careful, as it could be called at almost any time */
927	/* during execution of a perl program */	1034	/* during execution of a perl program */
		1035	/* also initialises PL_top_env */
928	static void NOINLINE	1036	static void NOINLINE
929	cctx_prepare (pTHX_ coro_cctx *cctx)	1037	cctx_prepare (pTHX_ coro_cctx *cctx)
930	{	1038	{
931	dSP;	1039	dSP;
932	LOGOP myop;	1040	LOGOP myop;
…		…
948	PL_op = (OP *)&myop;	1056	PL_op = (OP *)&myop;
949	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	1057	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
950	SPAGAIN;	1058	SPAGAIN;
951	}	1059	}
952		1060
		1061	/* the tail of transfer: execute stuff we can onyl do afetr a transfer */
		1062	static void
		1063	transfer_tail (void)
		1064	{
		1065	UNLOCK;
		1066
		1067	if (expect_false (next_has_throw))
		1068	{
		1069	struct coro *coro = SvSTATE (coro_current);
		1070
		1071	if (coro->throw)
		1072	{
		1073	SV *exception = coro->throw;
		1074	coro->throw = 0;
		1075	sv_setsv (ERRSV, exception);
		1076	croak (0);
		1077	}
		1078	}
		1079	}
		1080
953	/*	1081	/*
954	* this is a _very_ stripped down perl interpreter ;)	1082	* this is a _very_ stripped down perl interpreter ;)
955	*/	1083	*/
956	static void	1084	static void
957	cctx_run (void *arg)	1085	cctx_run (void *arg)
958	{	1086	{
		1087	#ifdef USE_ITHREADS
		1088	# if CORO_PTHREAD
		1089	PERL_SET_CONTEXT (coro_thx);
		1090	# endif
		1091	#endif
		1092	{
959	dTHX;	1093	dTHX;
960		1094
961	/* cctx_run is the alternative tail of transfer(), so unlock here. */
962	UNLOCK;
963
964	/* we now skip the entersub that lead to transfer() */	1095	/* we now skip the entersub that lead to transfer () */
965	PL_op = PL_op->op_next;	1096	PL_op = PL_op->op_next;
966		1097
967	/* inject a fake subroutine call to cctx_init */	1098	/* inject a fake subroutine call to cctx_init */
968	cctx_prepare (aTHX_ (coro_cctx *)arg);	1099	cctx_prepare (aTHX_ (coro_cctx *)arg);
969		1100
		1101	/* cctx_run is the alternative tail of transfer () */
		1102	transfer_tail ();
		1103
970	/* somebody or something will hit me for both perl_run and PL_restartop */	1104	/* somebody or something will hit me for both perl_run and PL_restartop */
971	PL_restartop = PL_op;	1105	PL_restartop = PL_op;
972	perl_run (PL_curinterp);	1106	perl_run (PL_curinterp);
973		1107
974	/*	1108	/*
975	* If perl-run returns we assume exit() was being called or the coro	1109	* 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)	1110	* 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	1111	* 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"	1112	* bootstrap-time "top" top_env, as we cannot restore the "main"
979	* coroutine as Coro has no such concept	1113	* coroutine as Coro has no such concept
980	*/	1114	*/
981	PL_top_env = main_top_env;	1115	PL_top_env = main_top_env;
982	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */	1116	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */
		1117	}
983	}	1118	}
984		1119
985	static coro_cctx *	1120	static coro_cctx *
986	cctx_new ()	1121	cctx_new ()
987	{	1122	{
988	coro_cctx *cctx;	1123	coro_cctx *cctx;
		1124
		1125	++cctx_count;
		1126	New (0, cctx, 1, coro_cctx);
		1127
		1128	cctx->gen = cctx_gen;
		1129	cctx->flags = 0;
		1130	cctx->idle_sp = 0; /* can be accessed by transfer between cctx_run and set_stacklevel */
		1131
		1132	return cctx;
		1133	}
		1134
		1135	/* create a new cctx only suitable as source */
		1136	static coro_cctx *
		1137	cctx_new_empty ()
		1138	{
		1139	coro_cctx *cctx = cctx_new ();
		1140
		1141	cctx->sptr = 0;
		1142	coro_create (&cctx->cctx, 0, 0, 0, 0);
		1143
		1144	return cctx;
		1145	}
		1146
		1147	/* create a new cctx suitable as destination/running a perl interpreter */
		1148	static coro_cctx *
		1149	cctx_new_run ()
		1150	{
		1151	coro_cctx *cctx = cctx_new ();
989	void *stack_start;	1152	void *stack_start;
990	size_t stack_size;	1153	size_t stack_size;
991		1154
992	++cctx_count;
993
994	Newz (0, cctx, 1, coro_cctx);
995
996	#if HAVE_MMAP	1155	#if HAVE_MMAP
997	cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;	1156	cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;
998	/* mmap supposedly does allocate-on-write for us */	1157	/* 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);	1158	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);
1000		1159
1001	if (cctx->sptr != (void *)-1)	1160	if (cctx->sptr != (void *)-1)
1002	{	1161	{
…		…
1008	cctx->flags \|= CC_MAPPED;	1167	cctx->flags \|= CC_MAPPED;
1009	}	1168	}
1010	else	1169	else
1011	#endif	1170	#endif
1012	{	1171	{
1013	cctx->ssize = coro_stacksize * (long)sizeof (long);	1172	cctx->ssize = cctx_stacksize * (long)sizeof (long);
1014	New (0, cctx->sptr, coro_stacksize, long);	1173	New (0, cctx->sptr, cctx_stacksize, long);
1015		1174
1016	if (!cctx->sptr)	1175	if (!cctx->sptr)
1017	{	1176	{
1018	perror ("FATAL: unable to allocate stack for coroutine");	1177	perror ("FATAL: unable to allocate stack for coroutine");
1019	_exit (EXIT_FAILURE);	1178	_exit (EXIT_FAILURE);
…		…
1034	{	1193	{
1035	if (!cctx)	1194	if (!cctx)
1036	return;	1195	return;
1037		1196
1038	--cctx_count;	1197	--cctx_count;
		1198	coro_destroy (&cctx->cctx);
1039		1199
		1200	/* coro_transfer creates new, empty cctx's */
		1201	if (cctx->sptr)
		1202	{
1040	#if CORO_USE_VALGRIND	1203	#if CORO_USE_VALGRIND
1041	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);	1204	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
1042	#endif	1205	#endif
1043		1206
1044	#if HAVE_MMAP	1207	#if HAVE_MMAP
1045	if (cctx->flags & CC_MAPPED)	1208	if (cctx->flags & CC_MAPPED)
1046	munmap (cctx->sptr, cctx->ssize);	1209	munmap (cctx->sptr, cctx->ssize);
1047	else	1210	else
1048	#endif	1211	#endif
1049	Safefree (cctx->sptr);	1212	Safefree (cctx->sptr);
		1213	}
1050		1214
1051	Safefree (cctx);	1215	Safefree (cctx);
1052	}	1216	}
1053		1217
1054	/* wether this cctx should be destructed */	1218	/* wether this cctx should be destructed */
1055	#define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize \|\| ((cctx)->flags & CC_NOREUSE))	1219	#define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen \|\| ((cctx)->flags & CC_NOREUSE))
1056		1220
1057	static coro_cctx *	1221	static coro_cctx *
1058	cctx_get (pTHX)	1222	cctx_get (pTHX)
1059	{	1223	{
1060	while (expect_true (cctx_first))	1224	while (expect_true (cctx_first))
…		…
1067	return cctx;	1231	return cctx;
1068		1232
1069	cctx_destroy (cctx);	1233	cctx_destroy (cctx);
1070	}	1234	}
1071		1235
1072	return cctx_new ();	1236	return cctx_new_run ();
1073	}	1237	}
1074		1238
1075	static void	1239	static void
1076	cctx_put (coro_cctx *cctx)	1240	cctx_put (coro_cctx *cctx)
1077	{	1241	{
		1242	assert (("cctx_put called on non-initialised cctx", cctx->sptr));
		1243
1078	/* free another cctx if overlimit */	1244	/* free another cctx if overlimit */
1079	if (expect_false (cctx_idle >= MAX_IDLE_CCTX))	1245	if (expect_false (cctx_idle >= cctx_max_idle))
1080	{	1246	{
1081	coro_cctx *first = cctx_first;	1247	coro_cctx *first = cctx_first;
1082	cctx_first = first->next;	1248	cctx_first = first->next;
1083	--cctx_idle;	1249	--cctx_idle;
1084		1250
…		…
1104	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");	1270	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
1105		1271
1106	if (expect_false (next->flags & CF_DESTROYED))	1272	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");	1273	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
1108		1274
1109	if (
1110	#if PERL_VERSION_ATLEAST (5,9,0)	1275	#if !PERL_VERSION_ATLEAST (5,10,0)
1111	expect_false (PL_parser)
1112	#else
1113	expect_false (PL_lex_state != LEX_NOTPARSING)	1276	if (expect_false (PL_lex_state != LEX_NOTPARSING))
1114	#endif
1115	)
1116	croak ("Coro::State::transfer called while parsing, but this is not supported");	1277	croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version");
		1278	#endif
1117	}	1279	}
1118	}	1280	}
1119		1281
1120	/* always use the TRANSFER macro */	1282	/* always use the TRANSFER macro */
1121	static void NOINLINE	1283	static void NOINLINE
1122	transfer (pTHX_ struct coro prev, struct coro next)	1284	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)
1123	{	1285	{
1124	dSTACKLEVEL;	1286	dSTACKLEVEL;
1125		1287
1126	/* sometimes transfer is only called to set idle_sp */	1288	/* sometimes transfer is only called to set idle_sp */
1127	if (expect_false (!next))	1289	if (expect_false (!next))
…		…
1133	{	1295	{
1134	coro_cctx *prev__cctx;	1296	coro_cctx *prev__cctx;
1135		1297
1136	if (expect_false (prev->flags & CF_NEW))	1298	if (expect_false (prev->flags & CF_NEW))
1137	{	1299	{
1138	/* create a new empty context */	1300	/* create a new empty/source context */
1139	Newz (0, prev->cctx, 1, coro_cctx);	1301	prev->cctx = cctx_new_empty ();
1140	prev->flags &= ~CF_NEW;	1302	prev->flags &= ~CF_NEW;
1141	prev->flags \|= CF_RUNNING;	1303	prev->flags \|= CF_RUNNING;
1142	}	1304	}
1143		1305
1144	prev->flags &= ~CF_RUNNING;	1306	prev->flags &= ~CF_RUNNING;
…		…
1159	else	1321	else
1160	load_perl (aTHX_ next);	1322	load_perl (aTHX_ next);
1161		1323
1162	prev__cctx = prev->cctx;	1324	prev__cctx = prev->cctx;
1163		1325
		1326	if (prev__cctx->idle_sp == STACKLEVEL) asm volatile("");//D
		1327
1164	/* possibly "free" the cctx */	1328	/* possibly "free" the cctx */
1165	if (expect_true (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE)))	1329	if (expect_true (
		1330	prev__cctx->idle_sp == STACKLEVEL
		1331	&& !(prev__cctx->flags & CC_TRACE)
		1332	&& !force_cctx
		1333	))
1166	{	1334	{
1167	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */	1335	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */
1168	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));	1336	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
1169		1337
1170	prev->cctx = 0;	1338	prev->cctx = 0;
…		…
1180		1348
1181	++next->usecount;	1349	++next->usecount;
1182		1350
1183	if (expect_true (!next->cctx))	1351	if (expect_true (!next->cctx))
1184	next->cctx = cctx_get (aTHX);	1352	next->cctx = cctx_get (aTHX);
		1353
		1354	next_has_throw = !!next->throw;
1185		1355
1186	if (expect_false (prev__cctx != next->cctx))	1356	if (expect_false (prev__cctx != next->cctx))
1187	{	1357	{
1188	prev__cctx->top_env = PL_top_env;	1358	prev__cctx->top_env = PL_top_env;
1189	PL_top_env = next->cctx->top_env;	1359	PL_top_env = next->cctx->top_env;
…		…
1191	}	1361	}
1192		1362
1193	free_coro_mortal (aTHX);	1363	free_coro_mortal (aTHX);
1194	UNLOCK;	1364	UNLOCK;
1195		1365
1196	if (expect_false (prev->throw \|\| next->throw))	1366	transfer_tail ();
1197	{
1198	struct coro *coro = SvSTATE (coro_current);
1199
1200	if (coro->throw)
1201	{
1202	SV *exception = coro->throw;
1203	coro->throw = 0;
1204	sv_setsv (ERRSV, exception);
1205	croak (0);
1206	}
1207	}
1208	}	1367	}
1209	}	1368	}
1210		1369
1211	struct transfer_args	1370	struct transfer_args
1212	{	1371	{
1213	struct coro prev, next;	1372	struct coro prev, next;
1214	};	1373	};
1215		1374
1216	#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)	1375	#define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx))
1217	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)	1376	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
1218		1377
1219	/ high level stuff ******************************************************/	1378	/ high level stuff ******************************************************/
1220		1379
1221	static int	1380	static int
…		…
1245	croak ("FATAL: tried to destroy currently running coroutine");	1404	croak ("FATAL: tried to destroy currently running coroutine");
1246		1405
1247	save_perl (aTHX_ &temp);	1406	save_perl (aTHX_ &temp);
1248	load_perl (aTHX_ coro);	1407	load_perl (aTHX_ coro);
1249		1408
1250	coro_destroy (aTHX_ coro);	1409	coro_destruct (aTHX_ coro);
1251		1410
1252	load_perl (aTHX_ &temp);	1411	load_perl (aTHX_ &temp);
1253		1412
1254	coro->slot = 0;	1413	coro->slot = 0;
1255	}	1414	}
…		…
1315	{	1474	{
1316	dTHX;	1475	dTHX;
1317	struct transfer_args ta;	1476	struct transfer_args ta;
1318		1477
1319	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);	1478	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1320	TRANSFER (ta);	1479	TRANSFER (ta, 1);
1321	}	1480	}
1322		1481
1323	/ Coro ******************************************************************/	1482	/ Coro ******************************************************************/
1324		1483
1325	static void	1484	static void
…		…
1327	{	1486	{
1328	av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv);	1487	av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv);
1329	}	1488	}
1330		1489
1331	static SV *	1490	static SV *
1332	coro_deq (pTHX_ int min_prio)	1491	coro_deq (pTHX)
1333	{	1492	{
1334	int prio = PRIO_MAX - PRIO_MIN;	1493	int prio;
1335		1494
1336	min_prio -= PRIO_MIN;
1337	if (min_prio < 0)
1338	min_prio = 0;
1339
1340	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= min_prio; )	1495	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= 0; )
1341	if (AvFILLp (coro_ready [prio]) >= 0)	1496	if (AvFILLp (coro_ready [prio]) >= 0)
1342	return av_shift (coro_ready [prio]);	1497	return av_shift (coro_ready [prio]);
1343		1498
1344	return 0;	1499	return 0;
1345	}	1500	}
…		…
1347	static int	1502	static int
1348	api_ready (SV *coro_sv)	1503	api_ready (SV *coro_sv)
1349	{	1504	{
1350	dTHX;	1505	dTHX;
1351	struct coro *coro;	1506	struct coro *coro;
		1507	SV *sv_hook;
		1508	void (*xs_hook)(void);
1352		1509
1353	if (SvROK (coro_sv))	1510	if (SvROK (coro_sv))
1354	coro_sv = SvRV (coro_sv);	1511	coro_sv = SvRV (coro_sv);
1355		1512
1356	coro = SvSTATE (coro_sv);	1513	coro = SvSTATE (coro_sv);
…		…
1359	return 0;	1516	return 0;
1360		1517
1361	coro->flags \|= CF_READY;	1518	coro->flags \|= CF_READY;
1362		1519
1363	LOCK;	1520	LOCK;
		1521
		1522	sv_hook = coro_nready ? 0 : coro_readyhook;
		1523	xs_hook = coro_nready ? 0 : coroapi.readyhook;
		1524
1364	coro_enq (aTHX_ SvREFCNT_inc (coro_sv));	1525	coro_enq (aTHX_ SvREFCNT_inc_NN (coro_sv));
1365	++coro_nready;	1526	++coro_nready;
		1527
1366	UNLOCK;	1528	UNLOCK;
		1529
		1530	if (sv_hook)
		1531	{
		1532	dSP;
		1533
		1534	ENTER;
		1535	SAVETMPS;
		1536
		1537	PUSHMARK (SP);
		1538	PUTBACK;
		1539	call_sv (sv_hook, G_DISCARD);
		1540	SPAGAIN;
		1541
		1542	FREETMPS;
		1543	LEAVE;
		1544	}
		1545
		1546	if (xs_hook)
		1547	xs_hook ();
1367		1548
1368	return 1;	1549	return 1;
1369	}	1550	}
1370		1551
1371	static int	1552	static int
…		…
1381	SV prev_sv, next_sv;	1562	SV prev_sv, next_sv;
1382		1563
1383	for (;;)	1564	for (;;)
1384	{	1565	{
1385	LOCK;	1566	LOCK;
1386	next_sv = coro_deq (aTHX_ PRIO_MIN);	1567	next_sv = coro_deq (aTHX);
1387		1568
1388	/* nothing to schedule: call the idle handler */	1569	/* nothing to schedule: call the idle handler */
1389	if (expect_false (!next_sv))	1570	if (expect_false (!next_sv))
1390	{	1571	{
1391	dSP;	1572	dSP;
…		…
1395	SAVETMPS;	1576	SAVETMPS;
1396		1577
1397	PUSHMARK (SP);	1578	PUSHMARK (SP);
1398	PUTBACK;	1579	PUTBACK;
1399	call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD);	1580	call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD);
		1581	SPAGAIN;
1400		1582
1401	FREETMPS;	1583	FREETMPS;
1402	LEAVE;	1584	LEAVE;
1403	continue;	1585	continue;
1404	}	1586	}
…		…
1459	{	1641	{
1460	dTHX;	1642	dTHX;
1461	struct transfer_args ta;	1643	struct transfer_args ta;
1462		1644
1463	prepare_schedule (aTHX_ &ta);	1645	prepare_schedule (aTHX_ &ta);
1464	TRANSFER (ta);	1646	TRANSFER (ta, 1);
1465	}	1647	}
1466		1648
1467	static int	1649	static int
1468	api_cede (void)	1650	api_cede (void)
1469	{	1651	{
…		…
1472		1654
1473	prepare_cede (aTHX_ &ta);	1655	prepare_cede (aTHX_ &ta);
1474		1656
1475	if (expect_true (ta.prev != ta.next))	1657	if (expect_true (ta.prev != ta.next))
1476	{	1658	{
1477	TRANSFER (ta);	1659	TRANSFER (ta, 1);
1478	return 1;	1660	return 1;
1479	}	1661	}
1480	else	1662	else
1481	return 0;	1663	return 0;
1482	}	1664	}
…		…
1487	dTHX;	1669	dTHX;
1488	struct transfer_args ta;	1670	struct transfer_args ta;
1489		1671
1490	if (prepare_cede_notself (aTHX_ &ta))	1672	if (prepare_cede_notself (aTHX_ &ta))
1491	{	1673	{
1492	TRANSFER (ta);	1674	TRANSFER (ta, 1);
1493	return 1;	1675	return 1;
1494	}	1676	}
1495	else	1677	else
1496	return 0;	1678	return 0;
1497	}	1679	}
…		…
1503	struct coro *coro = SvSTATE (coro_sv);	1685	struct coro *coro = SvSTATE (coro_sv);
1504		1686
1505	if (flags & CC_TRACE)	1687	if (flags & CC_TRACE)
1506	{	1688	{
1507	if (!coro->cctx)	1689	if (!coro->cctx)
1508	coro->cctx = cctx_new ();	1690	coro->cctx = cctx_new_run ();
1509	else if (!(coro->cctx->flags & CC_TRACE))	1691	else if (!(coro->cctx->flags & CC_TRACE))
1510	croak ("cannot enable tracing on coroutine with custom stack");	1692	croak ("cannot enable tracing on coroutine with custom stack");
1511		1693
1512	coro->cctx->flags \|= CC_NOREUSE \| (flags & (CC_TRACE \| CC_TRACE_ALL));	1694	coro->cctx->flags \|= CC_NOREUSE \| (flags & (CC_TRACE \| CC_TRACE_ALL));
1513	}	1695	}
…		…
1520	else	1702	else
1521	coro->slot->runops = RUNOPS_DEFAULT;	1703	coro->slot->runops = RUNOPS_DEFAULT;
1522	}	1704	}
1523	}	1705	}
1524		1706
		1707	#if 0
		1708	static int
		1709	coro_gensub_free (pTHX_ SV sv, MAGIC mg)
		1710	{
		1711	AV *padlist;
		1712	AV av = (AV )mg->mg_obj;
		1713
		1714	abort ();
		1715
		1716	return 0;
		1717	}
		1718
		1719	static MGVTBL coro_gensub_vtbl = {
		1720	0, 0, 0, 0,
		1721	coro_gensub_free
		1722	};
		1723	#endif
		1724
		1725	/*****************************************************************************/
		1726	/* PerlIO::cede */
		1727
		1728	typedef struct
		1729	{
		1730	PerlIOBuf base;
		1731	NV next, every;
		1732	} PerlIOCede;
		1733
		1734	static IV
		1735	PerlIOCede_pushed (pTHX_ PerlIO f, const char mode, SV arg, PerlIO_funcs tab)
		1736	{
		1737	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1738
		1739	self->every = SvCUR (arg) ? SvNV (arg) : 0.01;
		1740	self->next = nvtime () + self->every;
		1741
		1742	return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab);
		1743	}
		1744
		1745	static SV *
		1746	PerlIOCede_getarg (pTHX_ PerlIO f, CLONE_PARAMS param, int flags)
		1747	{
		1748	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1749
		1750	return newSVnv (self->every);
		1751	}
		1752
		1753	static IV
		1754	PerlIOCede_flush (pTHX_ PerlIO *f)
		1755	{
		1756	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1757	double now = nvtime ();
		1758
		1759	if (now >= self->next)
		1760	{
		1761	api_cede ();
		1762	self->next = now + self->every;
		1763	}
		1764
		1765	return PerlIOBuf_flush (aTHX_ f);
		1766	}
		1767
		1768	static PerlIO_funcs PerlIO_cede =
		1769	{
		1770	sizeof(PerlIO_funcs),
		1771	"cede",
		1772	sizeof(PerlIOCede),
		1773	PERLIO_K_DESTRUCT \| PERLIO_K_RAW,
		1774	PerlIOCede_pushed,
		1775	PerlIOBuf_popped,
		1776	PerlIOBuf_open,
		1777	PerlIOBase_binmode,
		1778	PerlIOCede_getarg,
		1779	PerlIOBase_fileno,
		1780	PerlIOBuf_dup,
		1781	PerlIOBuf_read,
		1782	PerlIOBuf_unread,
		1783	PerlIOBuf_write,
		1784	PerlIOBuf_seek,
		1785	PerlIOBuf_tell,
		1786	PerlIOBuf_close,
		1787	PerlIOCede_flush,
		1788	PerlIOBuf_fill,
		1789	PerlIOBase_eof,
		1790	PerlIOBase_error,
		1791	PerlIOBase_clearerr,
		1792	PerlIOBase_setlinebuf,
		1793	PerlIOBuf_get_base,
		1794	PerlIOBuf_bufsiz,
		1795	PerlIOBuf_get_ptr,
		1796	PerlIOBuf_get_cnt,
		1797	PerlIOBuf_set_ptrcnt,
		1798	};
		1799
		1800
1525	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	1801	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1526		1802
1527	PROTOTYPES: DISABLE	1803	PROTOTYPES: DISABLE
1528		1804
1529	BOOT:	1805	BOOT:
1530	{	1806	{
1531	#ifdef USE_ITHREADS	1807	#ifdef USE_ITHREADS
1532	MUTEX_INIT (&coro_mutex);	1808	MUTEX_INIT (&coro_lock);
		1809	# if CORO_PTHREAD
		1810	coro_thx = PERL_GET_CONTEXT;
		1811	# endif
1533	#endif	1812	#endif
1534	BOOT_PAGESIZE;	1813	BOOT_PAGESIZE;
1535		1814
1536	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);	1815	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
1537	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);	1816	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
1538	#if 0	1817
1539	orig_sigelem_get = PL_vtbl_sigelem.svt_get;	1818	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;
1540	PL_vtbl_sigelem.svt_get = coro_sigelem_get;	1819	orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;
1541	#endif	1820	orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr;
		1821
1542	hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);	1822	hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);
1543	rv_diehook = SvREFCNT_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));	1823	rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));
1544	rv_warnhook = SvREFCNT_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));	1824	rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));
1545		1825
1546	coro_state_stash = gv_stashpv ("Coro::State", TRUE);	1826	coro_state_stash = gv_stashpv ("Coro::State", TRUE);
1547		1827
1548	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));	1828	newCONSTSUB (coro_state_stash, "CC_TRACE" , newSViv (CC_TRACE));
1549	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));	1829	newCONSTSUB (coro_state_stash, "CC_TRACE_SUB" , newSViv (CC_TRACE_SUB));
…		…
1554	main_top_env = PL_top_env;	1834	main_top_env = PL_top_env;
1555		1835
1556	while (main_top_env->je_prev)	1836	while (main_top_env->je_prev)
1557	main_top_env = main_top_env->je_prev;	1837	main_top_env = main_top_env->je_prev;
1558		1838
1559	coroapi.ver = CORO_API_VERSION;	1839	coroapi.ver = CORO_API_VERSION;
1560	coroapi.rev = CORO_API_REVISION;	1840	coroapi.rev = CORO_API_REVISION;
1561	coroapi.transfer = api_transfer;	1841	coroapi.transfer = api_transfer;
		1842
		1843	{
		1844	SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0);
		1845
		1846	if (!svp) croak ("Time::HiRes is required");
		1847	if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");
		1848
		1849	nvtime = INT2PTR (double ()(), SvIV (svp));
		1850	}
1562		1851
1563	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	1852	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
1564	}	1853	}
1565		1854
1566	SV *	1855	SV *
…		…
1604	Coro::cede_notself = 4	1893	Coro::cede_notself = 4
1605	CODE:	1894	CODE:
1606	{	1895	{
1607	struct transfer_args ta;	1896	struct transfer_args ta;
1608		1897
		1898	PUTBACK;
1609	switch (ix)	1899	switch (ix)
1610	{	1900	{
1611	case 0:	1901	case 0:
1612	ta.prev = (struct coro )INT2PTR (coro_cctx , SvIV (ST (0)));	1902	ta.prev = (struct coro )INT2PTR (coro_cctx , SvIV (ST (0)));
1613	ta.next = 0;	1903	ta.next = 0;
1614	break;	1904	break;
1615		1905
1616	case 1:	1906	case 1:
1617	if (items != 2)	1907	if (items != 2)
1618	croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items);	1908	croak ("Coro::State::transfer (prev, next) expects two arguments, not %d", items);
1619		1909
1620	prepare_transfer (aTHX_ &ta, ST (0), ST (1));	1910	prepare_transfer (aTHX_ &ta, ST (0), ST (1));
1621	break;	1911	break;
1622		1912
1623	case 2:	1913	case 2:
…		…
1632	if (!prepare_cede_notself (aTHX_ &ta))	1922	if (!prepare_cede_notself (aTHX_ &ta))
1633	XSRETURN_EMPTY;	1923	XSRETURN_EMPTY;
1634		1924
1635	break;	1925	break;
1636	}	1926	}
		1927	SPAGAIN;
1637		1928
1638	BARRIER;	1929	BARRIER;
1639	PUTBACK;	1930	PUTBACK;
1640	TRANSFER (ta);	1931	TRANSFER (ta, 0);
1641	SPAGAIN; /* might be the sp of a different coroutine now */	1932	SPAGAIN; /* might be the sp of a different coroutine now */
1642	/* be extra careful not to ever do anything after TRANSFER */	1933	/* be extra careful not to ever do anything after TRANSFER */
1643	}	1934	}
1644		1935
1645	bool	1936	bool
…		…
1648	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));	1939	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));
1649	OUTPUT:	1940	OUTPUT:
1650	RETVAL	1941	RETVAL
1651		1942
1652	void	1943	void
1653	_exit (code)	1944	_exit (int code)
1654	int code
1655	PROTOTYPE: $	1945	PROTOTYPE: $
1656	CODE:	1946	CODE:
1657	_exit (code);	1947	_exit (code);
1658		1948
1659	int	1949	int
1660	cctx_stacksize (int new_stacksize = 0)	1950	cctx_stacksize (int new_stacksize = 0)
1661	CODE:	1951	CODE:
1662	RETVAL = coro_stacksize;	1952	RETVAL = cctx_stacksize;
1663	if (new_stacksize)	1953	if (new_stacksize)
		1954	{
1664	coro_stacksize = new_stacksize;	1955	cctx_stacksize = new_stacksize;
		1956	++cctx_gen;
		1957	}
		1958	OUTPUT:
		1959	RETVAL
		1960
		1961	int
		1962	cctx_max_idle (int max_idle = 0)
		1963	CODE:
		1964	RETVAL = cctx_max_idle;
		1965	if (max_idle > 1)
		1966	cctx_max_idle = max_idle;
1665	OUTPUT:	1967	OUTPUT:
1666	RETVAL	1968	RETVAL
1667		1969
1668	int	1970	int
1669	cctx_count ()	1971	cctx_count ()
…		…
1693	call (Coro::State coro, SV *coderef)	1995	call (Coro::State coro, SV *coderef)
1694	ALIAS:	1996	ALIAS:
1695	eval = 1	1997	eval = 1
1696	CODE:	1998	CODE:
1697	{	1999	{
1698	if (coro->mainstack)	2000	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))
1699	{	2001	{
1700	struct coro temp;	2002	struct coro temp;
1701		2003
1702	if (!(coro->flags & CF_RUNNING))	2004	if (!(coro->flags & CF_RUNNING))
1703	{	2005	{
		2006	PUTBACK;
1704	save_perl (aTHX_ &temp);	2007	save_perl (aTHX_ &temp);
1705	load_perl (aTHX_ coro);	2008	load_perl (aTHX_ coro);
1706	}	2009	}
1707		2010
1708	{	2011	{
…		…
1727		2030
1728	if (!(coro->flags & CF_RUNNING))	2031	if (!(coro->flags & CF_RUNNING))
1729	{	2032	{
1730	save_perl (aTHX_ coro);	2033	save_perl (aTHX_ coro);
1731	load_perl (aTHX_ &temp);	2034	load_perl (aTHX_ &temp);
		2035	SPAGAIN;
1732	}	2036	}
1733	}	2037	}
1734	}	2038	}
1735		2039
1736	SV *	2040	SV *
…		…
1748		2052
1749	void	2053	void
1750	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)	2054	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)
1751		2055
1752	SV *	2056	SV *
1753	has_stack (Coro::State coro)	2057	has_cctx (Coro::State coro)
1754	PROTOTYPE: $	2058	PROTOTYPE: $
1755	CODE:	2059	CODE:
1756	RETVAL = boolSV (!!coro->cctx);	2060	RETVAL = boolSV (!!coro->cctx);
1757	OUTPUT:	2061	OUTPUT:
1758	RETVAL	2062	RETVAL
…		…
1763	CODE:	2067	CODE:
1764	RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL;	2068	RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL;
1765	OUTPUT:	2069	OUTPUT:
1766	RETVAL	2070	RETVAL
1767		2071
1768	IV	2072	UV
1769	rss (Coro::State coro)	2073	rss (Coro::State coro)
1770	PROTOTYPE: $	2074	PROTOTYPE: $
1771	ALIAS:	2075	ALIAS:
1772	usecount = 1	2076	usecount = 1
1773	CODE:	2077	CODE:
…		…
1777	case 1: RETVAL = coro->usecount; break;	2081	case 1: RETVAL = coro->usecount; break;
1778	}	2082	}
1779	OUTPUT:	2083	OUTPUT:
1780	RETVAL	2084	RETVAL
1781		2085
		2086	void
		2087	force_cctx ()
		2088	CODE:
		2089	struct coro *coro = SvSTATE (coro_current);
		2090	coro->cctx->idle_sp = 0;
		2091
		2092	void
		2093	swap_defsv (Coro::State self)
		2094	PROTOTYPE: $
		2095	ALIAS:
		2096	swap_defav = 1
		2097	CODE:
		2098	if (!self->slot)
		2099	croak ("cannot swap state with coroutine that has no saved state");
		2100	else
		2101	{
		2102	SV src = ix ? (SV )&GvAV (PL_defgv) : &GvSV (PL_defgv);
		2103	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;
		2104
		2105	SV tmp = src; src = dst; *dst = tmp;
		2106	}
1782		2107
1783	MODULE = Coro::State PACKAGE = Coro	2108	MODULE = Coro::State PACKAGE = Coro
1784		2109
1785	BOOT:	2110	BOOT:
1786	{	2111	{
1787	int i;	2112	int i;
1788		2113
		2114	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
1789	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);	2115	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
1790	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);	2116	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
1791	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
1792		2117
1793	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);	2118	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);
1794	SvREADONLY_on (coro_current);	2119	SvREADONLY_on (coro_current);
1795		2120
1796	coro_stash = gv_stashpv ("Coro", TRUE);	2121	coro_stash = gv_stashpv ("Coro", TRUE);
…		…
1826	void	2151	void
1827	_set_current (SV *current)	2152	_set_current (SV *current)
1828	PROTOTYPE: $	2153	PROTOTYPE: $
1829	CODE:	2154	CODE:
1830	SvREFCNT_dec (SvRV (coro_current));	2155	SvREFCNT_dec (SvRV (coro_current));
1831	SvRV_set (coro_current, SvREFCNT_inc (SvRV (current)));	2156	SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));
		2157
		2158	void
		2159	_set_readyhook (SV *hook)
		2160	PROTOTYPE: $
		2161	CODE:
		2162	LOCK;
		2163	SvREFCNT_dec (coro_readyhook);
		2164	coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;
		2165	UNLOCK;
1832		2166
1833	int	2167	int
1834	prio (Coro::State coro, int newprio = 0)	2168	prio (Coro::State coro, int newprio = 0)
1835	ALIAS:	2169	ALIAS:
1836	nice = 1	2170	nice = 1
…		…
1886	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);	2220	SV *invoke = hv_delete (hv, "_invoke", sizeof ("_invoke") - 1, 0);
1887	AV *invoke_av;	2221	AV *invoke_av;
1888	int i, len;	2222	int i, len;
1889		2223
1890	if (!invoke)	2224	if (!invoke)
		2225	{
		2226	SV *old = PL_diehook;
		2227	PL_diehook = 0;
		2228	SvREFCNT_dec (old);
1891	croak ("\3async_pool terminate\2\n");	2229	croak ("\3async_pool terminate\2\n");
		2230	}
1892		2231
1893	SvREFCNT_dec (coro->saved_deffh);	2232	SvREFCNT_dec (coro->saved_deffh);
1894	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);	2233	coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv);
1895		2234
1896	hv_store (hv, "desc", sizeof ("desc") - 1,	2235	hv_store (hv, "desc", sizeof ("desc") - 1,
1897	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);	2236	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
1898		2237
1899	invoke_av = (AV *)SvRV (invoke);	2238	invoke_av = (AV *)SvRV (invoke);
…		…
1903		2242
1904	if (len > 0)	2243	if (len > 0)
1905	{	2244	{
1906	av_fill (defav, len - 1);	2245	av_fill (defav, len - 1);
1907	for (i = 0; i < len; ++i)	2246	for (i = 0; i < len; ++i)
1908	av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1]));	2247	av_store (defav, i, SvREFCNT_inc_NN (AvARRAY (invoke_av)[i + 1]));
1909	}	2248	}
1910		2249
1911	SvREFCNT_dec (invoke);	2250	SvREFCNT_dec (invoke);
1912	}	2251	}
1913		2252
…		…
1920	sv_setsv (cb, &PL_sv_undef);	2259	sv_setsv (cb, &PL_sv_undef);
1921		2260
1922	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;	2261	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;
1923	coro->saved_deffh = 0;	2262	coro->saved_deffh = 0;
1924		2263
1925	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)	2264	if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss)
1926	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))	2265	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
		2266	{
		2267	SV *old = PL_diehook;
		2268	PL_diehook = 0;
		2269	SvREFCNT_dec (old);
1927	croak ("\3async_pool terminate\2\n");	2270	croak ("\3async_pool terminate\2\n");
		2271	}
1928		2272
1929	av_clear (GvAV (PL_defgv));	2273	av_clear (GvAV (PL_defgv));
1930	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,	2274	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
1931	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);	2275	newSVpvn ("[async_pool idle]", sizeof ("[async_pool idle]") - 1), 0);
1932		2276
…		…
1936	api_trace (coro_current, 0);	2280	api_trace (coro_current, 0);
1937		2281
1938	av_push (av_async_pool, newSVsv (coro_current));	2282	av_push (av_async_pool, newSVsv (coro_current));
1939	}	2283	}
1940		2284
		2285	#if 0
		2286
		2287	void
		2288	_generator_call (...)
		2289	PROTOTYPE: @
		2290	PPCODE:
		2291	fprintf (stderr, "call %p\n", CvXSUBANY(cv).any_ptr);
		2292	xxxx
		2293	abort ();
		2294
		2295	SV *
		2296	gensub (SV *sub, ...)
		2297	PROTOTYPE: &;@
		2298	CODE:
		2299	{
		2300	struct coro *coro;
		2301	MAGIC *mg;
		2302	CV *xcv;
		2303	CV ncv = (CV )newSV_type (SVt_PVCV);
		2304	int i;
		2305
		2306	CvGV (ncv) = CvGV (cv);
		2307	CvFILE (ncv) = CvFILE (cv);
		2308
		2309	Newz (0, coro, 1, struct coro);
		2310	coro->args = newAV ();
		2311	coro->flags = CF_NEW;
		2312
		2313	av_extend (coro->args, items - 1);
		2314	for (i = 1; i < items; i++)
		2315	av_push (coro->args, newSVsv (ST (i)));
		2316
		2317	CvISXSUB_on (ncv);
		2318	CvXSUBANY (ncv).any_ptr = (void *)coro;
		2319
		2320	xcv = GvCV (gv_fetchpv ("Coro::_generator_call", 0, SVt_PVCV));
		2321
		2322	CvXSUB (ncv) = CvXSUB (xcv);
		2323	CvANON_on (ncv);
		2324
		2325	mg = sv_magicext ((SV )ncv, 0, CORO_MAGIC_type_state, &coro_gensub_vtbl, (char )coro, 0);
		2326	RETVAL = newRV_noinc ((SV *)ncv);
		2327	}
		2328	OUTPUT:
		2329	RETVAL
		2330
		2331	#endif
		2332
1941		2333
1942	MODULE = Coro::State PACKAGE = Coro::AIO	2334	MODULE = Coro::State PACKAGE = Coro::AIO
1943		2335
1944	SV *	2336	void
1945	_get_state ()	2337	_get_state (SV *self)
1946	CODE:	2338	PPCODE:
1947	{	2339	{
1948	struct io_state *data;	2340	AV *defav = GvAV (PL_defgv);
1949		2341	AV *av = newAV ();
		2342	int i;
1950	RETVAL = newSV (sizeof (struct io_state));	2343	SV *data_sv = newSV (sizeof (struct io_state));
1951	data = (struct io_state *)SvPVX (RETVAL);	2344	struct io_state data = (struct io_state )SvPVX (data_sv);
1952	SvCUR_set (RETVAL, sizeof (struct io_state));	2345	SvCUR_set (data_sv, sizeof (struct io_state));
1953	SvPOK_only (RETVAL);	2346	SvPOK_only (data_sv);
1954		2347
1955	data->errorno = errno;	2348	data->errorno = errno;
1956	data->laststype = PL_laststype;	2349	data->laststype = PL_laststype;
1957	data->laststatval = PL_laststatval;	2350	data->laststatval = PL_laststatval;
1958	data->statcache = PL_statcache;	2351	data->statcache = PL_statcache;
		2352
		2353	av_extend (av, AvFILLp (defav) + 1 + 1);
		2354
		2355	for (i = 0; i <= AvFILLp (defav); ++i)
		2356	av_push (av, SvREFCNT_inc_NN (AvARRAY (defav)[i]));
		2357
		2358	av_push (av, data_sv);
		2359
		2360	XPUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		2361
		2362	api_ready (self);
1959	}	2363	}
1960	OUTPUT:
1961	RETVAL
1962		2364
1963	void	2365	void
1964	_set_state (char *data_)	2366	_set_state (SV *state)
1965	PROTOTYPE: $	2367	PROTOTYPE: $
1966	CODE:	2368	PPCODE:
1967	{	2369	{
1968	struct io_state data = (void )data_;	2370	AV av = (AV )SvRV (state);
		2371	struct io_state data = (struct io_state )SvPVX (AvARRAY (av)[AvFILLp (av)]);
		2372	int i;
1969		2373
1970	errno = data->errorno;	2374	errno = data->errorno;
1971	PL_laststype = data->laststype;	2375	PL_laststype = data->laststype;
1972	PL_laststatval = data->laststatval;	2376	PL_laststatval = data->laststatval;
1973	PL_statcache = data->statcache;	2377	PL_statcache = data->statcache;
1974	}
1975		2378
		2379	EXTEND (SP, AvFILLp (av));
		2380	for (i = 0; i < AvFILLp (av); ++i)
		2381	PUSHs (sv_2mortal (SvREFCNT_inc_NN (AvARRAY (av)[i])));
		2382	}
		2383
		2384
		2385	MODULE = Coro::State PACKAGE = Coro::AnyEvent
		2386
		2387	BOOT:
		2388	sv_activity = coro_get_sv (aTHX_ "Coro::AnyEvent::ACTIVITY", TRUE);
		2389
		2390	SV *
		2391	_schedule (...)
		2392	PROTOTYPE: @
		2393	CODE:
		2394	{
		2395	static int incede;
		2396
		2397	api_cede_notself ();
		2398
		2399	++incede;
		2400	while (coro_nready >= incede && api_cede ())
		2401	;
		2402
		2403	sv_setsv (sv_activity, &PL_sv_undef);
		2404	if (coro_nready >= incede)
		2405	{
		2406	PUSHMARK (SP);
		2407	PUTBACK;
		2408	call_pv ("Coro::AnyEvent::_activity", G_DISCARD \| G_EVAL);
		2409	SPAGAIN;
		2410	}
		2411
		2412	--incede;
		2413	}
		2414
		2415
		2416	MODULE = Coro::State PACKAGE = PerlIO::cede
		2417
		2418	BOOT:
		2419	PerlIO_define_layer (aTHX_ &PerlIO_cede);

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Comparing Coro/Coro/State.xs (file contents): Revision 1.215 by root, Sun Oct 14 19:34:09 2007 UTC vs. Revision 1.259 by root, Mon Nov 10 00:02:29 2008 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.215 by root, Sun Oct 14 19:34:09 2007 UTC vs.
Revision 1.259 by root, Mon Nov 10 00:02:29 2008 UTC