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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.223 by root, Wed Feb 13 15:46:00 2008 UTC vs.
Revision 1.257 by root, Sun Nov 9 15:35:44 2008 UTC

…		…
4	#define PERL_EXT	4	#define PERL_EXT
5		5
6	#include "EXTERN.h"	6	#include "EXTERN.h"
7	#include "perl.h"	7	#include "perl.h"
8	#include "XSUB.h"	8	#include "XSUB.h"
		9	#include "perliol.h"
9		10
10	#include "patchlevel.h"	11	#include "patchlevel.h"
11		12
12	#include <stdio.h>	13	#include <stdio.h>
13	#include <errno.h>	14	#include <errno.h>
14	#include <assert.h>	15	#include <assert.h>
		16
		17	#ifdef WIN32
		18	# undef setjmp
		19	# undef longjmp
		20	# undef _exit
		21	# define setjmp _setjmp // deep magic, don't ask
		22	#else
15	#include <inttypes.h> /* portable stdint.h */	23	# include <inttypes.h> /* most portable stdint.h */
		24	#endif
16		25
17	#ifdef HAVE_MMAP	26	#ifdef HAVE_MMAP
18	# include <unistd.h>	27	# include <unistd.h>
19	# include <sys/mman.h>	28	# include <sys/mman.h>
20	# ifndef MAP_ANONYMOUS	29	# ifndef MAP_ANONYMOUS
…		…
43	#else	52	#else
44	# define REGISTER_STACK(cctx,start,end)	53	# define REGISTER_STACK(cctx,start,end)
45	#endif	54	#endif
46		55
47	/* the maximum number of idle cctx that will be pooled */	56	/* the maximum number of idle cctx that will be pooled */
48	#define MAX_IDLE_CCTX 8	57	static int cctx_max_idle = 4;
49		58
50	#define PERL_VERSION_ATLEAST(a,b,c) \	59	#define PERL_VERSION_ATLEAST(a,b,c) \
51	(PERL_REVISION > (a) \	60	(PERL_REVISION > (a) \
52	\|\| (PERL_REVISION == (a) \	61	\|\| (PERL_REVISION == (a) \
53	&& (PERL_VERSION > (b) \	62	&& (PERL_VERSION > (b) \
…		…
72	# ifndef IS_PADCONST	81	# ifndef IS_PADCONST
73	# define IS_PADCONST(v) 0	82	# define IS_PADCONST(v) 0
74	# endif	83	# endif
75	#endif	84	#endif
76		85
		86	/* 5.11 */
		87	#ifndef CxHASARGS
		88	# define CxHASARGS(cx) (cx)->blk_sub.hasargs
		89	#endif
		90
		91	/* 5.10.0 */
		92	#ifndef SvREFCNT_inc_NN
		93	# define SvREFCNT_inc_NN(sv) SvREFCNT_inc (sv)
		94	#endif
		95
77	/* 5.8.8 */	96	/* 5.8.8 */
78	#ifndef GV_NOTQUAL	97	#ifndef GV_NOTQUAL
79	# define GV_NOTQUAL 0	98	# define GV_NOTQUAL 0
80	#endif	99	#endif
81	#ifndef newSV	100	#ifndef newSV
82	# define newSV(l) NEWSV(0,l)	101	# define newSV(l) NEWSV(0,l)
83	#endif
84
85	/* 5.11 */
86	#ifndef CxHASARGS
87	# define CxHASARGS(cx) (cx)->blk_sub.hasargs
88	#endif	102	#endif
89		103
90	/* 5.8.7 */	104	/* 5.8.7 */
91	#ifndef SvRV_set	105	#ifndef SvRV_set
92	# define SvRV_set(s,v) SvRV(s) = (v)	106	# define SvRV_set(s,v) SvRV(s) = (v)
…		…
128	#define NOINLINE attribute ((noinline))	142	#define NOINLINE attribute ((noinline))
129		143
130	#include "CoroAPI.h"	144	#include "CoroAPI.h"
131		145
132	#ifdef USE_ITHREADS	146	#ifdef USE_ITHREADS
		147
133	static perl_mutex coro_mutex;	148	static perl_mutex coro_lock;
134	# define LOCK do { MUTEX_LOCK (&coro_mutex); } while (0)	149	# define LOCK do { MUTEX_LOCK (&coro_lock); } while (0)
135	# define UNLOCK do { MUTEX_UNLOCK (&coro_mutex); } while (0)	150	# define UNLOCK do { MUTEX_UNLOCK (&coro_lock); } while (0)
		151	# if CORO_PTHREAD
		152	static void *coro_thx;
		153	# endif
		154
136	#else	155	#else
		156
137	# define LOCK (void)0	157	# define LOCK (void)0
138	# define UNLOCK (void)0	158	# define UNLOCK (void)0
		159
139	#endif	160	#endif
		161
		162	# undef LOCK
		163	# define LOCK (void)0
		164	# undef UNLOCK
		165	# define UNLOCK (void)0
140		166
141	/* helper storage struct for Coro::AIO */	167	/* helper storage struct for Coro::AIO */
142	struct io_state	168	struct io_state
143	{	169	{
		170	AV *res;
144	int errorno;	171	int errorno;
145	I32 laststype;	172	I32 laststype; /* U16 in 5.10.0 */
146	int laststatval;	173	int laststatval;
147	Stat_t statcache;	174	Stat_t statcache;
148	};	175	};
149		176
		177	static double (nvtime)(); / so why doesn't it take void? */
		178
		179	static U32 cctx_gen;
150	static size_t coro_stacksize = CORO_STACKSIZE;	180	static size_t cctx_stacksize = CORO_STACKSIZE;
151	static struct CoroAPI coroapi;	181	static struct CoroAPI coroapi;
152	static AV main_mainstack; / used to differentiate between $main and others */	182	static AV main_mainstack; / used to differentiate between $main and others */
153	static JMPENV *main_top_env;	183	static JMPENV *main_top_env;
154	static HV coro_state_stash, coro_stash;	184	static HV coro_state_stash, coro_stash;
155	static volatile SV coro_mortal; / will be freed after next transfer */	185	static volatile SV coro_mortal; / will be freed/thrown after next transfer */
156		186
157	static GV irsgv; / $/ */	187	static GV irsgv; / $/ */
158	static GV stdoutgv; / STDOUT /	188	static GV stdoutgv; / STDOUT /
159	static SV *rv_diehook;	189	static SV *rv_diehook;
160	static SV *rv_warnhook;	190	static SV *rv_warnhook;
…		…
162		192
163	/* async_pool helper stuff */	193	/* async_pool helper stuff */
164	static SV *sv_pool_rss;	194	static SV *sv_pool_rss;
165	static SV *sv_pool_size;	195	static SV *sv_pool_size;
166	static AV *av_async_pool;	196	static AV *av_async_pool;
		197
		198	/* Coro::AnyEvent */
		199	static SV *sv_activity;
167		200
168	static struct coro_cctx *cctx_first;	201	static struct coro_cctx *cctx_first;
169	static int cctx_count, cctx_idle;	202	static int cctx_count, cctx_idle;
170		203
171	enum {	204	enum {
…		…
189	void idle_sp; / sp of top-level transfer/schedule/cede call */	222	void idle_sp; / sp of top-level transfer/schedule/cede call */
190	JMPENV idle_te; / same as idle_sp, but for top_env, TODO: remove once stable */	223	JMPENV idle_te; / same as idle_sp, but for top_env, TODO: remove once stable */
191	JMPENV *top_env;	224	JMPENV *top_env;
192	coro_context cctx;	225	coro_context cctx;
193		226
		227	U32 gen;
194	#if CORO_USE_VALGRIND	228	#if CORO_USE_VALGRIND
195	int valgrind_id;	229	int valgrind_id;
196	#endif	230	#endif
197	unsigned char flags;	231	unsigned char flags;
198	} coro_cctx;	232	} coro_cctx;
…		…
257	#define PRIO_IDLE -3	291	#define PRIO_IDLE -3
258	#define PRIO_MIN -4	292	#define PRIO_MIN -4
259		293
260	/* for Coro.pm */	294	/* for Coro.pm */
261	static SV *coro_current;	295	static SV *coro_current;
		296	static SV *coro_readyhook;
262	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];	297	static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1];
263	static int coro_nready;	298	static int coro_nready;
264	static struct coro *coro_first;	299	static struct coro *coro_first;
265		300
266	/ lowlevel stuff ********************************************************/	301	/ lowlevel stuff ********************************************************/
267		302
268	static SV *	303	static SV *
269	coro_get_sv (pTHX_ const char *name, int create)	304	coro_get_sv (pTHX_ const char *name, int create)
270	{	305	{
271	#if PERL_VERSION_ATLEAST (5,9,0)	306	#if PERL_VERSION_ATLEAST (5,10,0)
272	/* silence stupid and wrong 5.10 warning that I am unable to switch off */	307	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
273	get_sv (name, create);	308	get_sv (name, create);
274	#endif	309	#endif
275	return get_sv (name, create);	310	return get_sv (name, create);
276	}	311	}
277		312
278	static AV *	313	static AV *
279	coro_get_av (pTHX_ const char *name, int create)	314	coro_get_av (pTHX_ const char *name, int create)
280	{	315	{
281	#if PERL_VERSION_ATLEAST (5,9,0)	316	#if PERL_VERSION_ATLEAST (5,10,0)
282	/* silence stupid and wrong 5.10 warning that I am unable to switch off */	317	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
283	get_av (name, create);	318	get_av (name, create);
284	#endif	319	#endif
285	return get_av (name, create);	320	return get_av (name, create);
286	}	321	}
287		322
288	static HV *	323	static HV *
289	coro_get_hv (pTHX_ const char *name, int create)	324	coro_get_hv (pTHX_ const char *name, int create)
290	{	325	{
291	#if PERL_VERSION_ATLEAST (5,9,0)	326	#if PERL_VERSION_ATLEAST (5,10,0)
292	/* silence stupid and wrong 5.10 warning that I am unable to switch off */	327	/* silence stupid and wrong 5.10 warning that I am unable to switch off */
293	get_hv (name, create);	328	get_hv (name, create);
294	#endif	329	#endif
295	return get_hv (name, create);	330	return get_hv (name, create);
296	}	331	}
…		…
301	AV *padlist = CvPADLIST (cv);	336	AV *padlist = CvPADLIST (cv);
302	AV newpadlist, newpad;	337	AV newpadlist, newpad;
303		338
304	newpadlist = newAV ();	339	newpadlist = newAV ();
305	AvREAL_off (newpadlist);	340	AvREAL_off (newpadlist);
306	#if PERL_VERSION_ATLEAST (5,9,0)	341	#if PERL_VERSION_ATLEAST (5,10,0)
307	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);	342	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1);
308	#else	343	#else
309	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);	344	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
310	#endif	345	#endif
311	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];	346	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
312	--AvFILLp (padlist);	347	--AvFILLp (padlist);
313		348
314	av_store (newpadlist, 0, SvREFCNT_inc (*av_fetch (padlist, 0, FALSE)));	349	av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE)));
315	av_store (newpadlist, 1, (SV *)newpad);	350	av_store (newpadlist, 1, (SV *)newpad);
316		351
317	return newpadlist;	352	return newpadlist;
318	}	353	}
319		354
…		…
349		384
350	/* casting is fun. */	385	/* casting is fun. */
351	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))	386	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
352	free_padlist (aTHX_ padlist);	387	free_padlist (aTHX_ padlist);
353		388
		389	SvREFCNT_dec (av); /* sv_magicext increased the refcount */
		390
354	return 0;	391	return 0;
355	}	392	}
356		393
357	#define CORO_MAGIC_type_cv PERL_MAGIC_ext	394	#define CORO_MAGIC_type_cv PERL_MAGIC_ext
358	#define CORO_MAGIC_type_state PERL_MAGIC_ext	395	#define CORO_MAGIC_type_state PERL_MAGIC_ext
…		…
360	static MGVTBL coro_cv_vtbl = {	397	static MGVTBL coro_cv_vtbl = {
361	0, 0, 0, 0,	398	0, 0, 0, 0,
362	coro_cv_free	399	coro_cv_free
363	};	400	};
364		401
365	#define CORO_MAGIC(sv,type) \	402	#define CORO_MAGIC(sv, type) \
366	SvMAGIC (sv) \	403	SvMAGIC (sv) \
367	? SvMAGIC (sv)->mg_type == type \	404	? SvMAGIC (sv)->mg_type == type \
368	? SvMAGIC (sv) \	405	? SvMAGIC (sv) \
369	: mg_find (sv, type) \	406	: mg_find (sv, type) \
370	: 0	407	: 0
371		408
372	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)	409	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
373	#define CORO_MAGIC_state(sv) CORO_MAGIC (((SV *)(sv)), CORO_MAGIC_type_state)	410	#define CORO_MAGIC_state(sv) CORO_MAGIC (((SV *)(sv)), CORO_MAGIC_type_state)
374		411
375	static struct coro *	412	static struct coro *
…		…
408	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))	445	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))
409	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];	446	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
410	else	447	else
411	{	448	{
412	#if CORO_PREFER_PERL_FUNCTIONS	449	#if CORO_PREFER_PERL_FUNCTIONS
413	/* this is probably cleaner, but also slower? */	450	/* this is probably cleaner? but also slower! */
		451	/* in practise, it seems to be less stable */
414	CV *cp = Perl_cv_clone (cv);	452	CV *cp = Perl_cv_clone (cv);
415	CvPADLIST (cv) = CvPADLIST (cp);	453	CvPADLIST (cv) = CvPADLIST (cp);
416	CvPADLIST (cp) = 0;	454	CvPADLIST (cp) = 0;
417	SvREFCNT_dec (cp);	455	SvREFCNT_dec (cp);
418	#else	456	#else
…		…
502		540
503	if (expect_true (CvDEPTH (cv)))	541	if (expect_true (CvDEPTH (cv)))
504	{	542	{
505	EXTEND (SP, 3);	543	EXTEND (SP, 3);
506	PUSHs ((SV *)CvPADLIST (cv));	544	PUSHs ((SV *)CvPADLIST (cv));
507	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));	545	PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv)));
508	PUSHs ((SV *)cv);	546	PUSHs ((SV *)cv);
509		547
510	CvDEPTH (cv) = 0;	548	CvDEPTH (cv) = 0;
511	get_padlist (aTHX_ cv);	549	get_padlist (aTHX_ cv);
512	}	550	}
…		…
592		630
593	New(54,PL_savestack,24,ANY);	631	New(54,PL_savestack,24,ANY);
594	PL_savestack_ix = 0;	632	PL_savestack_ix = 0;
595	PL_savestack_max = 24;	633	PL_savestack_max = 24;
596		634
597	#if !PERL_VERSION_ATLEAST (5,9,0)	635	#if !PERL_VERSION_ATLEAST (5,10,0)
598	New(54,PL_retstack,4,OP*);	636	New(54,PL_retstack,4,OP*);
599	PL_retstack_ix = 0;	637	PL_retstack_ix = 0;
600	PL_retstack_max = 4;	638	PL_retstack_max = 4;
601	#endif	639	#endif
602	}	640	}
…		…
604		642
605	/*	643	/*
606	* destroy the stacks, the callchain etc...	644	* destroy the stacks, the callchain etc...
607	*/	645	*/
608	static void	646	static void
609	coro_destroy_stacks (pTHX)	647	coro_destruct_stacks (pTHX)
610	{	648	{
611	while (PL_curstackinfo->si_next)	649	while (PL_curstackinfo->si_next)
612	PL_curstackinfo = PL_curstackinfo->si_next;	650	PL_curstackinfo = PL_curstackinfo->si_next;
613		651
614	while (PL_curstackinfo)	652	while (PL_curstackinfo)
…		…
625		663
626	Safefree (PL_tmps_stack);	664	Safefree (PL_tmps_stack);
627	Safefree (PL_markstack);	665	Safefree (PL_markstack);
628	Safefree (PL_scopestack);	666	Safefree (PL_scopestack);
629	Safefree (PL_savestack);	667	Safefree (PL_savestack);
630	#if !PERL_VERSION_ATLEAST (5,9,0)	668	#if !PERL_VERSION_ATLEAST (5,10,0)
631	Safefree (PL_retstack);	669	Safefree (PL_retstack);
632	#endif	670	#endif
633	}	671	}
634		672
635	static size_t	673	static size_t
…		…
651	#undef VAR	689	#undef VAR
652	}	690	}
653	else	691	else
654	slot = coro->slot;	692	slot = coro->slot;
655		693
		694	if (slot)
		695	{
656	rss += sizeof (slot->curstackinfo);	696	rss += sizeof (slot->curstackinfo);
657	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);	697	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
658	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);	698	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);
659	rss += slot->tmps_max * sizeof (SV *);	699	rss += slot->tmps_max * sizeof (SV *);
660	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);	700	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
661	rss += slot->scopestack_max * sizeof (I32);	701	rss += slot->scopestack_max * sizeof (I32);
662	rss += slot->savestack_max * sizeof (ANY);	702	rss += slot->savestack_max * sizeof (ANY);
663		703
664	#if !PERL_VERSION_ATLEAST (5,9,0)	704	#if !PERL_VERSION_ATLEAST (5,10,0)
665	rss += slot->retstack_max * sizeof (OP *);	705	rss += slot->retstack_max * sizeof (OP *);
666	#endif	706	#endif
		707	}
667	}	708	}
668		709
669	return rss;	710	return rss;
670	}	711	}
671		712
672	/ coroutine stack handling **********************************************/	713	/ coroutine stack handling **********************************************/
673		714
674	static int (orig_sigelem_get) (pTHX_ SV sv, MAGIC *mg);	715	static int (orig_sigelem_get) (pTHX_ SV sv, MAGIC *mg);
675	static int (orig_sigelem_set) (pTHX_ SV sv, MAGIC *mg);	716	static int (orig_sigelem_set) (pTHX_ SV sv, MAGIC *mg);
		717	static int (orig_sigelem_clr) (pTHX_ SV sv, MAGIC *mg);
		718
		719	/* apparently < 5.8.8 */
		720	#ifndef MgPV_nolen_const
		721	#define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \
		722	SvPV_nolen((SV*)((mg)->mg_ptr)) : \
		723	(const char*)(mg)->mg_ptr)
		724	#endif
676		725
677	/*	726	/*
678	* This overrides the default magic get method of %SIG elements.	727	* This overrides the default magic get method of %SIG elements.
679	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook	728	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook
680	* and instead of tryign to save and restore the hash elements, we just provide	729	* and instead of tryign to save and restore the hash elements, we just provide
…		…
688	{	737	{
689	const char *s = MgPV_nolen_const (mg);	738	const char *s = MgPV_nolen_const (mg);
690		739
691	if (*s == '_')	740	if (*s == '_')
692	{	741	{
693	if (strEQ (s, "__DIE__" ) && PL_diehook ) return sv_setsv (sv, PL_diehook ), 0;	742	SV **svp = 0;
694	if (strEQ (s, "__WARN__") && PL_warnhook) return sv_setsv (sv, PL_warnhook), 0;	743
		744	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		745	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		746
		747	if (svp)
		748	{
		749	sv_setsv (sv, svp ? svp : &PL_sv_undef);
		750	return 0;
		751	}
695	}	752	}
696		753
697	return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0;	754	return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0;
		755	}
		756
		757	static int
		758	coro_sigelem_clr (pTHX_ SV sv, MAGIC mg)
		759	{
		760	const char *s = MgPV_nolen_const (mg);
		761
		762	if (*s == '_')
		763	{
		764	SV **svp = 0;
		765
		766	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		767	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		768
		769	if (svp)
		770	{
		771	SV old = svp;
		772	*svp = 0;
		773	SvREFCNT_dec (old);
		774	return 0;
		775	}
		776	}
		777
		778	return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0;
698	}	779	}
699		780
700	static int	781	static int
701	coro_sigelem_set (pTHX_ SV sv, MAGIC mg)	782	coro_sigelem_set (pTHX_ SV sv, MAGIC mg)
702	{	783	{
…		…
712	if (svp)	793	if (svp)
713	{	794	{
714	SV old = svp;	795	SV old = svp;
715	*svp = newSVsv (sv);	796	*svp = newSVsv (sv);
716	SvREFCNT_dec (old);	797	SvREFCNT_dec (old);
717	return;	798	return 0;
718	}	799	}
719	}	800	}
720		801
721	return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0;	802	return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0;
722	}	803	}
…		…
736	PL_curpm = 0;	817	PL_curpm = 0;
737	PL_curpad = 0;	818	PL_curpad = 0;
738	PL_localizing = 0;	819	PL_localizing = 0;
739	PL_dirty = 0;	820	PL_dirty = 0;
740	PL_restartop = 0;	821	PL_restartop = 0;
		822	#if PERL_VERSION_ATLEAST (5,10,0)
		823	PL_parser = 0;
		824	#endif
741		825
742	/* recreate the die/warn hooks */	826	/* recreate the die/warn hooks */
743	PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook );	827	PL_diehook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__DIE__" , sizeof ("__DIE__" ) - 1, 1), rv_diehook );
744	PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook);	828	PL_warnhook = 0; SvSetMagicSV (*hv_fetch (hv_sig, "__WARN__", sizeof ("__WARN__") - 1, 1), rv_warnhook);
745		829
746	GvSV (PL_defgv) = newSV (0);	830	GvSV (PL_defgv) = newSV (0);
747	GvAV (PL_defgv) = coro->args; coro->args = 0;	831	GvAV (PL_defgv) = coro->args; coro->args = 0;
748	GvSV (PL_errgv) = newSV (0);	832	GvSV (PL_errgv) = newSV (0);
749	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);	833	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
750	PL_rs = newSVsv (GvSV (irsgv));	834	PL_rs = newSVsv (GvSV (irsgv));
751	PL_defoutgv = (GV *)SvREFCNT_inc (stdoutgv);	835	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);
752		836
753	{	837	{
754	dSP;	838	dSP;
755	LOGOP myop;	839	LOGOP myop;
756		840
…		…
773	*/	857	*/
774	ENTER;	858	ENTER;
775	}	859	}
776		860
777	static void	861	static void
778	coro_destroy (pTHX_ struct coro *coro)	862	coro_destruct (pTHX_ struct coro *coro)
779	{	863	{
780	if (!IN_DESTRUCT)	864	if (!IN_DESTRUCT)
781	{	865	{
782	/* restore all saved variables and stuff */	866	/* restore all saved variables and stuff */
783	LEAVE_SCOPE (0);	867	LEAVE_SCOPE (0);
…		…
805	SvREFCNT_dec (PL_warnhook);	889	SvREFCNT_dec (PL_warnhook);
806		890
807	SvREFCNT_dec (coro->saved_deffh);	891	SvREFCNT_dec (coro->saved_deffh);
808	SvREFCNT_dec (coro->throw);	892	SvREFCNT_dec (coro->throw);
809		893
810	coro_destroy_stacks (aTHX);	894	coro_destruct_stacks (aTHX);
811	}	895	}
812		896
813	static void	897	static void
814	free_coro_mortal (pTHX)	898	free_coro_mortal (pTHX)
815	{	899	{
…		…
852	: cx->blk_gimme == G_SCALAR ? bot + 1	936	: cx->blk_gimme == G_SCALAR ? bot + 1
853	: bot;	937	: bot;
854		938
855	av_extend (av, top - bot);	939	av_extend (av, top - bot);
856	while (bot < top)	940	while (bot < top)
857	av_push (av, SvREFCNT_inc (*bot++));	941	av_push (av, SvREFCNT_inc_NN (*bot++));
858		942
859	PL_runops = RUNOPS_DEFAULT;	943	PL_runops = RUNOPS_DEFAULT;
860	ENTER;	944	ENTER;
861	SAVETMPS;	945	SAVETMPS;
862	EXTEND (SP, 3);	946	EXTEND (SP, 3);
…		…
976	* this is a _very_ stripped down perl interpreter ;)	1060	* this is a _very_ stripped down perl interpreter ;)
977	*/	1061	*/
978	static void	1062	static void
979	cctx_run (void *arg)	1063	cctx_run (void *arg)
980	{	1064	{
		1065	#ifdef USE_ITHREADS
		1066	# if CORO_PTHREAD
		1067	PERL_SET_CONTEXT (coro_thx);
		1068	# endif
		1069	#endif
		1070	{
981	dTHX;	1071	dTHX;
982		1072
983	/* cctx_run is the alternative tail of transfer(), so unlock here. */	1073	/* cctx_run is the alternative tail of transfer(), so unlock here. */
984	UNLOCK;	1074	UNLOCK;
985		1075
986	/* we now skip the entersub that lead to transfer() */	1076	/* we now skip the entersub that lead to transfer() */
987	PL_op = PL_op->op_next;	1077	PL_op = PL_op->op_next;
988		1078
989	/* inject a fake subroutine call to cctx_init */	1079	/* inject a fake subroutine call to cctx_init */
990	cctx_prepare (aTHX_ (coro_cctx *)arg);	1080	cctx_prepare (aTHX_ (coro_cctx *)arg);
991		1081
992	/* somebody or something will hit me for both perl_run and PL_restartop */	1082	/* somebody or something will hit me for both perl_run and PL_restartop */
993	PL_restartop = PL_op;	1083	PL_restartop = PL_op;
994	perl_run (PL_curinterp);	1084	perl_run (PL_curinterp);
995		1085
996	/*	1086	/*
997	* If perl-run returns we assume exit() was being called or the coro	1087	* If perl-run returns we assume exit() was being called or the coro
998	* fell off the end, which seems to be the only valid (non-bug)	1088	* fell off the end, which seems to be the only valid (non-bug)
999	* reason for perl_run to return. We try to exit by jumping to the	1089	* reason for perl_run to return. We try to exit by jumping to the
1000	* bootstrap-time "top" top_env, as we cannot restore the "main"	1090	* bootstrap-time "top" top_env, as we cannot restore the "main"
1001	* coroutine as Coro has no such concept	1091	* coroutine as Coro has no such concept
1002	*/	1092	*/
1003	PL_top_env = main_top_env;	1093	PL_top_env = main_top_env;
1004	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */	1094	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */
		1095	}
1005	}	1096	}
1006		1097
1007	static coro_cctx *	1098	static coro_cctx *
1008	cctx_new ()	1099	cctx_new ()
1009	{	1100	{
1010	coro_cctx *cctx;	1101	coro_cctx *cctx;
1011	void *stack_start;	1102	void *stack_start;
1012	size_t stack_size;	1103	size_t stack_size;
1013		1104
1014	++cctx_count;	1105	++cctx_count;
1015
1016	Newz (0, cctx, 1, coro_cctx);	1106	Newz (0, cctx, 1, coro_cctx);
1017		1107
		1108	cctx->gen = cctx_gen;
		1109
1018	#if HAVE_MMAP	1110	#if HAVE_MMAP
1019	cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;	1111	cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;
1020	/* mmap supposedly does allocate-on-write for us */	1112	/* mmap supposedly does allocate-on-write for us */
1021	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);	1113	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);
1022		1114
1023	if (cctx->sptr != (void *)-1)	1115	if (cctx->sptr != (void *)-1)
1024	{	1116	{
…		…
1030	cctx->flags \|= CC_MAPPED;	1122	cctx->flags \|= CC_MAPPED;
1031	}	1123	}
1032	else	1124	else
1033	#endif	1125	#endif
1034	{	1126	{
1035	cctx->ssize = coro_stacksize * (long)sizeof (long);	1127	cctx->ssize = cctx_stacksize * (long)sizeof (long);
1036	New (0, cctx->sptr, coro_stacksize, long);	1128	New (0, cctx->sptr, cctx_stacksize, long);
1037		1129
1038	if (!cctx->sptr)	1130	if (!cctx->sptr)
1039	{	1131	{
1040	perror ("FATAL: unable to allocate stack for coroutine");	1132	perror ("FATAL: unable to allocate stack for coroutine");
1041	_exit (EXIT_FAILURE);	1133	_exit (EXIT_FAILURE);
…		…
1056	{	1148	{
1057	if (!cctx)	1149	if (!cctx)
1058	return;	1150	return;
1059		1151
1060	--cctx_count;	1152	--cctx_count;
		1153	coro_destroy (&cctx->cctx);
1061		1154
		1155	/* coro_transfer creates new, empty cctx's */
		1156	if (cctx->sptr)
		1157	{
1062	#if CORO_USE_VALGRIND	1158	#if CORO_USE_VALGRIND
1063	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);	1159	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
1064	#endif	1160	#endif
1065		1161
1066	#if HAVE_MMAP	1162	#if HAVE_MMAP
1067	if (cctx->flags & CC_MAPPED)	1163	if (cctx->flags & CC_MAPPED)
1068	munmap (cctx->sptr, cctx->ssize);	1164	munmap (cctx->sptr, cctx->ssize);
1069	else	1165	else
1070	#endif	1166	#endif
1071	Safefree (cctx->sptr);	1167	Safefree (cctx->sptr);
		1168	}
1072		1169
1073	Safefree (cctx);	1170	Safefree (cctx);
1074	}	1171	}
1075		1172
1076	/* wether this cctx should be destructed */	1173	/* wether this cctx should be destructed */
1077	#define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize \|\| ((cctx)->flags & CC_NOREUSE))	1174	#define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen \|\| ((cctx)->flags & CC_NOREUSE))
1078		1175
1079	static coro_cctx *	1176	static coro_cctx *
1080	cctx_get (pTHX)	1177	cctx_get (pTHX)
1081	{	1178	{
1082	while (expect_true (cctx_first))	1179	while (expect_true (cctx_first))
…		…
1095	}	1192	}
1096		1193
1097	static void	1194	static void
1098	cctx_put (coro_cctx *cctx)	1195	cctx_put (coro_cctx *cctx)
1099	{	1196	{
		1197	assert (("cctx_put called on non-initialised cctx", cctx->sptr));
		1198
1100	/* free another cctx if overlimit */	1199	/* free another cctx if overlimit */
1101	if (expect_false (cctx_idle >= MAX_IDLE_CCTX))	1200	if (expect_false (cctx_idle >= cctx_max_idle))
1102	{	1201	{
1103	coro_cctx *first = cctx_first;	1202	coro_cctx *first = cctx_first;
1104	cctx_first = first->next;	1203	cctx_first = first->next;
1105	--cctx_idle;	1204	--cctx_idle;
1106		1205
…		…
1126	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");	1225	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
1127		1226
1128	if (expect_false (next->flags & CF_DESTROYED))	1227	if (expect_false (next->flags & CF_DESTROYED))
1129	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");	1228	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
1130		1229
1131	if (
1132	#if PERL_VERSION_ATLEAST (5,9,0)	1230	#if !PERL_VERSION_ATLEAST (5,10,0)
1133	expect_false (PL_parser && PL_parser->lex_state != LEX_NOTPARSING)
1134	#else
1135	expect_false (PL_lex_state != LEX_NOTPARSING)	1231	if (expect_false (PL_lex_state != LEX_NOTPARSING))
1136	#endif
1137	)
1138	croak ("Coro::State::transfer called while parsing, but this is not supported");	1232	croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version");
		1233	#endif
1139	}	1234	}
1140	}	1235	}
1141		1236
1142	/* always use the TRANSFER macro */	1237	/* always use the TRANSFER macro */
1143	static void NOINLINE	1238	static void NOINLINE
1144	transfer (pTHX_ struct coro prev, struct coro next)	1239	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)
1145	{	1240	{
1146	dSTACKLEVEL;	1241	dSTACKLEVEL;
1147	static volatile int has_throw;
1148		1242
1149	/* sometimes transfer is only called to set idle_sp */	1243	/* sometimes transfer is only called to set idle_sp */
1150	if (expect_false (!next))	1244	if (expect_false (!next))
1151	{	1245	{
1152	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1246	((coro_cctx *)prev)->idle_sp = STACKLEVEL;
1153	assert (((coro_cctx )prev)->idle_te = PL_top_env); / just for the side-effect when asserts are enabled */	1247	assert (((coro_cctx )prev)->idle_te = PL_top_env); / just for the side-effect when asserts are enabled */
1154	}	1248	}
1155	else if (expect_true (prev != next))	1249	else if (expect_true (prev != next))
1156	{	1250	{
		1251	static volatile int has_throw;
1157	coro_cctx *prev__cctx;	1252	coro_cctx *prev__cctx;
1158		1253
1159	if (expect_false (prev->flags & CF_NEW))	1254	if (expect_false (prev->flags & CF_NEW))
1160	{	1255	{
1161	/* create a new empty context */	1256	/* create a new empty/source context */
		1257	++cctx_count;
1162	Newz (0, prev->cctx, 1, coro_cctx);	1258	New (0, prev->cctx, 1, coro_cctx);
		1259	prev->cctx->sptr = 0;
		1260	coro_create (&prev->cctx->cctx, 0, 0, 0, 0);
		1261
1163	prev->flags &= ~CF_NEW;	1262	prev->flags &= ~CF_NEW;
1164	prev->flags \|= CF_RUNNING;	1263	prev->flags \|= CF_RUNNING;
1165	}	1264	}
1166		1265
1167	prev->flags &= ~CF_RUNNING;	1266	prev->flags &= ~CF_RUNNING;
…		…
1183	load_perl (aTHX_ next);	1282	load_perl (aTHX_ next);
1184		1283
1185	prev__cctx = prev->cctx;	1284	prev__cctx = prev->cctx;
1186		1285
1187	/* possibly "free" the cctx */	1286	/* possibly "free" the cctx */
1188	if (expect_true (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE)))	1287	if (expect_true (
		1288	prev__cctx->idle_sp == STACKLEVEL
		1289	&& !(prev__cctx->flags & CC_TRACE)
		1290	&& !force_cctx
		1291	))
1189	{	1292	{
1190	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */	1293	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */
1191	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));	1294	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
1192		1295
1193	prev->cctx = 0;	1296	prev->cctx = 0;
…		…
1236	struct transfer_args	1339	struct transfer_args
1237	{	1340	{
1238	struct coro prev, next;	1341	struct coro prev, next;
1239	};	1342	};
1240		1343
1241	#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)	1344	#define TRANSFER(ta, force_cctx) transfer (aTHX_ (ta).prev, (ta).next, (force_cctx))
1242	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)	1345	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
1243		1346
1244	/ high level stuff ******************************************************/	1347	/ high level stuff ******************************************************/
1245		1348
1246	static int	1349	static int
…		…
1270	croak ("FATAL: tried to destroy currently running coroutine");	1373	croak ("FATAL: tried to destroy currently running coroutine");
1271		1374
1272	save_perl (aTHX_ &temp);	1375	save_perl (aTHX_ &temp);
1273	load_perl (aTHX_ coro);	1376	load_perl (aTHX_ coro);
1274		1377
1275	coro_destroy (aTHX_ coro);	1378	coro_destruct (aTHX_ coro);
1276		1379
1277	load_perl (aTHX_ &temp);	1380	load_perl (aTHX_ &temp);
1278		1381
1279	coro->slot = 0;	1382	coro->slot = 0;
1280	}	1383	}
…		…
1340	{	1443	{
1341	dTHX;	1444	dTHX;
1342	struct transfer_args ta;	1445	struct transfer_args ta;
1343		1446
1344	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);	1447	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1345	TRANSFER (ta);	1448	TRANSFER (ta, 1);
1346	}	1449	}
1347		1450
1348	/ Coro ******************************************************************/	1451	/ Coro ******************************************************************/
1349		1452
1350	static void	1453	static void
…		…
1368	static int	1471	static int
1369	api_ready (SV *coro_sv)	1472	api_ready (SV *coro_sv)
1370	{	1473	{
1371	dTHX;	1474	dTHX;
1372	struct coro *coro;	1475	struct coro *coro;
		1476	SV *sv_hook;
		1477	void (*xs_hook)(void);
1373		1478
1374	if (SvROK (coro_sv))	1479	if (SvROK (coro_sv))
1375	coro_sv = SvRV (coro_sv);	1480	coro_sv = SvRV (coro_sv);
1376		1481
1377	coro = SvSTATE (coro_sv);	1482	coro = SvSTATE (coro_sv);
…		…
1380	return 0;	1485	return 0;
1381		1486
1382	coro->flags \|= CF_READY;	1487	coro->flags \|= CF_READY;
1383		1488
1384	LOCK;	1489	LOCK;
		1490
		1491	sv_hook = coro_nready ? 0 : coro_readyhook;
		1492	xs_hook = coro_nready ? 0 : coroapi.readyhook;
		1493
1385	coro_enq (aTHX_ SvREFCNT_inc (coro_sv));	1494	coro_enq (aTHX_ SvREFCNT_inc_NN (coro_sv));
1386	++coro_nready;	1495	++coro_nready;
		1496
1387	UNLOCK;	1497	UNLOCK;
		1498
		1499	if (sv_hook)
		1500	{
		1501	dSP;
		1502
		1503	ENTER;
		1504	SAVETMPS;
		1505
		1506	PUSHMARK (SP);
		1507	PUTBACK;
		1508	call_sv (sv_hook, G_DISCARD);
		1509	SPAGAIN;
		1510
		1511	FREETMPS;
		1512	LEAVE;
		1513	}
		1514
		1515	if (xs_hook)
		1516	xs_hook ();
1388		1517
1389	return 1;	1518	return 1;
1390	}	1519	}
1391		1520
1392	static int	1521	static int
…		…
1481	{	1610	{
1482	dTHX;	1611	dTHX;
1483	struct transfer_args ta;	1612	struct transfer_args ta;
1484		1613
1485	prepare_schedule (aTHX_ &ta);	1614	prepare_schedule (aTHX_ &ta);
1486	TRANSFER (ta);	1615	TRANSFER (ta, 1);
1487	}	1616	}
1488		1617
1489	static int	1618	static int
1490	api_cede (void)	1619	api_cede (void)
1491	{	1620	{
…		…
1494		1623
1495	prepare_cede (aTHX_ &ta);	1624	prepare_cede (aTHX_ &ta);
1496		1625
1497	if (expect_true (ta.prev != ta.next))	1626	if (expect_true (ta.prev != ta.next))
1498	{	1627	{
1499	TRANSFER (ta);	1628	TRANSFER (ta, 1);
1500	return 1;	1629	return 1;
1501	}	1630	}
1502	else	1631	else
1503	return 0;	1632	return 0;
1504	}	1633	}
…		…
1509	dTHX;	1638	dTHX;
1510	struct transfer_args ta;	1639	struct transfer_args ta;
1511		1640
1512	if (prepare_cede_notself (aTHX_ &ta))	1641	if (prepare_cede_notself (aTHX_ &ta))
1513	{	1642	{
1514	TRANSFER (ta);	1643	TRANSFER (ta, 1);
1515	return 1;	1644	return 1;
1516	}	1645	}
1517	else	1646	else
1518	return 0;	1647	return 0;
1519	}	1648	}
…		…
1542	else	1671	else
1543	coro->slot->runops = RUNOPS_DEFAULT;	1672	coro->slot->runops = RUNOPS_DEFAULT;
1544	}	1673	}
1545	}	1674	}
1546		1675
		1676	#if 0
		1677	static int
		1678	coro_gensub_free (pTHX_ SV sv, MAGIC mg)
		1679	{
		1680	AV *padlist;
		1681	AV av = (AV )mg->mg_obj;
		1682
		1683	abort ();
		1684
		1685	return 0;
		1686	}
		1687
		1688	static MGVTBL coro_gensub_vtbl = {
		1689	0, 0, 0, 0,
		1690	coro_gensub_free
		1691	};
		1692	#endif
		1693
		1694	/*****************************************************************************/
		1695	/* PerlIO::cede */
		1696
		1697	typedef struct
		1698	{
		1699	PerlIOBuf base;
		1700	NV next, every;
		1701	} PerlIOCede;
		1702
		1703	static IV
		1704	PerlIOCede_pushed (pTHX_ PerlIO f, const char mode, SV arg, PerlIO_funcs tab)
		1705	{
		1706	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1707
		1708	self->every = SvCUR (arg) ? SvNV (arg) : 0.01;
		1709	self->next = nvtime () + self->every;
		1710
		1711	return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab);
		1712	}
		1713
		1714	static SV *
		1715	PerlIOCede_getarg (pTHX_ PerlIO f, CLONE_PARAMS param, int flags)
		1716	{
		1717	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1718
		1719	return newSVnv (self->every);
		1720	}
		1721
		1722	static IV
		1723	PerlIOCede_flush (pTHX_ PerlIO *f)
		1724	{
		1725	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1726	double now = nvtime ();
		1727
		1728	if (now >= self->next)
		1729	{
		1730	api_cede ();
		1731	self->next = now + self->every;
		1732	}
		1733
		1734	return PerlIOBuf_flush (aTHX_ f);
		1735	}
		1736
		1737	static PerlIO_funcs PerlIO_cede =
		1738	{
		1739	sizeof(PerlIO_funcs),
		1740	"cede",
		1741	sizeof(PerlIOCede),
		1742	PERLIO_K_DESTRUCT \| PERLIO_K_RAW,
		1743	PerlIOCede_pushed,
		1744	PerlIOBuf_popped,
		1745	PerlIOBuf_open,
		1746	PerlIOBase_binmode,
		1747	PerlIOCede_getarg,
		1748	PerlIOBase_fileno,
		1749	PerlIOBuf_dup,
		1750	PerlIOBuf_read,
		1751	PerlIOBuf_unread,
		1752	PerlIOBuf_write,
		1753	PerlIOBuf_seek,
		1754	PerlIOBuf_tell,
		1755	PerlIOBuf_close,
		1756	PerlIOCede_flush,
		1757	PerlIOBuf_fill,
		1758	PerlIOBase_eof,
		1759	PerlIOBase_error,
		1760	PerlIOBase_clearerr,
		1761	PerlIOBase_setlinebuf,
		1762	PerlIOBuf_get_base,
		1763	PerlIOBuf_bufsiz,
		1764	PerlIOBuf_get_ptr,
		1765	PerlIOBuf_get_cnt,
		1766	PerlIOBuf_set_ptrcnt,
		1767	};
		1768
		1769
1547	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	1770	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1548		1771
1549	PROTOTYPES: DISABLE	1772	PROTOTYPES: DISABLE
1550		1773
1551	BOOT:	1774	BOOT:
1552	{	1775	{
1553	#ifdef USE_ITHREADS	1776	#ifdef USE_ITHREADS
1554	MUTEX_INIT (&coro_mutex);	1777	MUTEX_INIT (&coro_lock);
		1778	# if CORO_PTHREAD
		1779	coro_thx = PERL_GET_CONTEXT;
		1780	# endif
1555	#endif	1781	#endif
1556	BOOT_PAGESIZE;	1782	BOOT_PAGESIZE;
1557		1783
1558	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);	1784	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
1559	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);	1785	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
1560		1786
1561	orig_sigelem_get = PL_vtbl_sigelem.svt_get;	1787	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;
1562	PL_vtbl_sigelem.svt_get = coro_sigelem_get;	1788	orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;
1563	orig_sigelem_set = PL_vtbl_sigelem.svt_set;	1789	orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr;
1564	PL_vtbl_sigelem.svt_set = coro_sigelem_set;
1565		1790
1566	hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);	1791	hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);
1567	rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));	1792	rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));
1568	rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));	1793	rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));
1569		1794
…		…
1578	main_top_env = PL_top_env;	1803	main_top_env = PL_top_env;
1579		1804
1580	while (main_top_env->je_prev)	1805	while (main_top_env->je_prev)
1581	main_top_env = main_top_env->je_prev;	1806	main_top_env = main_top_env->je_prev;
1582		1807
1583	coroapi.ver = CORO_API_VERSION;	1808	coroapi.ver = CORO_API_VERSION;
1584	coroapi.rev = CORO_API_REVISION;	1809	coroapi.rev = CORO_API_REVISION;
1585	coroapi.transfer = api_transfer;	1810	coroapi.transfer = api_transfer;
		1811
		1812	{
		1813	SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0);
		1814
		1815	if (!svp) croak ("Time::HiRes is required");
		1816	if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");
		1817
		1818	nvtime = INT2PTR (double ()(), SvIV (svp));
		1819	}
1586		1820
1587	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	1821	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
1588	}	1822	}
1589		1823
1590	SV *	1824	SV *
…		…
1638	ta.next = 0;	1872	ta.next = 0;
1639	break;	1873	break;
1640		1874
1641	case 1:	1875	case 1:
1642	if (items != 2)	1876	if (items != 2)
1643	croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items);	1877	croak ("Coro::State::transfer (prev, next) expects two arguments, not %d", items);
1644		1878
1645	prepare_transfer (aTHX_ &ta, ST (0), ST (1));	1879	prepare_transfer (aTHX_ &ta, ST (0), ST (1));
1646	break;	1880	break;
1647		1881
1648	case 2:	1882	case 2:
…		…
1661	}	1895	}
1662	SPAGAIN;	1896	SPAGAIN;
1663		1897
1664	BARRIER;	1898	BARRIER;
1665	PUTBACK;	1899	PUTBACK;
1666	TRANSFER (ta);	1900	TRANSFER (ta, 0);
1667	SPAGAIN; /* might be the sp of a different coroutine now */	1901	SPAGAIN; /* might be the sp of a different coroutine now */
1668	/* be extra careful not to ever do anything after TRANSFER */	1902	/* be extra careful not to ever do anything after TRANSFER */
1669	}	1903	}
1670		1904
1671	bool	1905	bool
…		…
1674	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));	1908	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));
1675	OUTPUT:	1909	OUTPUT:
1676	RETVAL	1910	RETVAL
1677		1911
1678	void	1912	void
1679	_exit (code)	1913	_exit (int code)
1680	int code
1681	PROTOTYPE: $	1914	PROTOTYPE: $
1682	CODE:	1915	CODE:
1683	_exit (code);	1916	_exit (code);
1684		1917
1685	int	1918	int
1686	cctx_stacksize (int new_stacksize = 0)	1919	cctx_stacksize (int new_stacksize = 0)
1687	CODE:	1920	CODE:
1688	RETVAL = coro_stacksize;	1921	RETVAL = cctx_stacksize;
1689	if (new_stacksize)	1922	if (new_stacksize)
		1923	{
1690	coro_stacksize = new_stacksize;	1924	cctx_stacksize = new_stacksize;
		1925	++cctx_gen;
		1926	}
		1927	OUTPUT:
		1928	RETVAL
		1929
		1930	int
		1931	cctx_max_idle (int max_idle = 0)
		1932	CODE:
		1933	RETVAL = cctx_max_idle;
		1934	if (max_idle > 1)
		1935	cctx_max_idle = max_idle;
1691	OUTPUT:	1936	OUTPUT:
1692	RETVAL	1937	RETVAL
1693		1938
1694	int	1939	int
1695	cctx_count ()	1940	cctx_count ()
…		…
1719	call (Coro::State coro, SV *coderef)	1964	call (Coro::State coro, SV *coderef)
1720	ALIAS:	1965	ALIAS:
1721	eval = 1	1966	eval = 1
1722	CODE:	1967	CODE:
1723	{	1968	{
1724	if (coro->mainstack)	1969	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))
1725	{	1970	{
1726	struct coro temp;	1971	struct coro temp;
1727		1972
1728	if (!(coro->flags & CF_RUNNING))	1973	if (!(coro->flags & CF_RUNNING))
1729	{	1974	{
…		…
1776		2021
1777	void	2022	void
1778	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)	2023	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)
1779		2024
1780	SV *	2025	SV *
1781	has_stack (Coro::State coro)	2026	has_cctx (Coro::State coro)
1782	PROTOTYPE: $	2027	PROTOTYPE: $
1783	CODE:	2028	CODE:
1784	RETVAL = boolSV (!!coro->cctx);	2029	RETVAL = boolSV (!!coro->cctx);
1785	OUTPUT:	2030	OUTPUT:
1786	RETVAL	2031	RETVAL
…		…
1791	CODE:	2036	CODE:
1792	RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL;	2037	RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL;
1793	OUTPUT:	2038	OUTPUT:
1794	RETVAL	2039	RETVAL
1795		2040
1796	IV	2041	UV
1797	rss (Coro::State coro)	2042	rss (Coro::State coro)
1798	PROTOTYPE: $	2043	PROTOTYPE: $
1799	ALIAS:	2044	ALIAS:
1800	usecount = 1	2045	usecount = 1
1801	CODE:	2046	CODE:
…		…
1805	case 1: RETVAL = coro->usecount; break;	2050	case 1: RETVAL = coro->usecount; break;
1806	}	2051	}
1807	OUTPUT:	2052	OUTPUT:
1808	RETVAL	2053	RETVAL
1809		2054
		2055	void
		2056	force_cctx ()
		2057	CODE:
		2058	struct coro *coro = SvSTATE (coro_current);
		2059	coro->cctx->idle_sp = 0;
		2060
		2061	void
		2062	swap_defsv (Coro::State self)
		2063	PROTOTYPE: $
		2064	ALIAS:
		2065	swap_defav = 1
		2066	CODE:
		2067	if (!self->slot)
		2068	croak ("cannot swap state with coroutine that has no saved state");
		2069	else
		2070	{
		2071	SV src = ix ? (SV )&GvAV (PL_defgv) : &GvSV (PL_defgv);
		2072	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;
		2073
		2074	SV tmp = src; src = dst; *dst = tmp;
		2075	}
1810		2076
1811	MODULE = Coro::State PACKAGE = Coro	2077	MODULE = Coro::State PACKAGE = Coro
1812		2078
1813	BOOT:	2079	BOOT:
1814	{	2080	{
1815	int i;	2081	int i;
1816		2082
		2083	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
1817	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);	2084	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
1818	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);	2085	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
1819	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
1820		2086
1821	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);	2087	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);
1822	SvREADONLY_on (coro_current);	2088	SvREADONLY_on (coro_current);
1823		2089
1824	coro_stash = gv_stashpv ("Coro", TRUE);	2090	coro_stash = gv_stashpv ("Coro", TRUE);
…		…
1854	void	2120	void
1855	_set_current (SV *current)	2121	_set_current (SV *current)
1856	PROTOTYPE: $	2122	PROTOTYPE: $
1857	CODE:	2123	CODE:
1858	SvREFCNT_dec (SvRV (coro_current));	2124	SvREFCNT_dec (SvRV (coro_current));
1859	SvRV_set (coro_current, SvREFCNT_inc (SvRV (current)));	2125	SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));
		2126
		2127	void
		2128	_set_readyhook (SV *hook)
		2129	PROTOTYPE: $
		2130	CODE:
		2131	LOCK;
		2132	SvREFCNT_dec (coro_readyhook);
		2133	coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;
		2134	UNLOCK;
1860		2135
1861	int	2136	int
1862	prio (Coro::State coro, int newprio = 0)	2137	prio (Coro::State coro, int newprio = 0)
1863	ALIAS:	2138	ALIAS:
1864	nice = 1	2139	nice = 1
…		…
1915	AV *invoke_av;	2190	AV *invoke_av;
1916	int i, len;	2191	int i, len;
1917		2192
1918	if (!invoke)	2193	if (!invoke)
1919	{	2194	{
1920	SvREFCNT_dec (PL_diehook); PL_diehook = 0;	2195	SV *old = PL_diehook;
		2196	PL_diehook = 0;
		2197	SvREFCNT_dec (old);
1921	croak ("\3async_pool terminate\2\n");	2198	croak ("\3async_pool terminate\2\n");
1922	}	2199	}
1923		2200
1924	SvREFCNT_dec (coro->saved_deffh);	2201	SvREFCNT_dec (coro->saved_deffh);
1925	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);	2202	coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv);
1926		2203
1927	hv_store (hv, "desc", sizeof ("desc") - 1,	2204	hv_store (hv, "desc", sizeof ("desc") - 1,
1928	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);	2205	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
1929		2206
1930	invoke_av = (AV *)SvRV (invoke);	2207	invoke_av = (AV *)SvRV (invoke);
…		…
1934		2211
1935	if (len > 0)	2212	if (len > 0)
1936	{	2213	{
1937	av_fill (defav, len - 1);	2214	av_fill (defav, len - 1);
1938	for (i = 0; i < len; ++i)	2215	for (i = 0; i < len; ++i)
1939	av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1]));	2216	av_store (defav, i, SvREFCNT_inc_NN (AvARRAY (invoke_av)[i + 1]));
1940	}	2217	}
1941		2218
1942	SvREFCNT_dec (invoke);	2219	SvREFCNT_dec (invoke);
1943	}	2220	}
1944		2221
…		…
1951	sv_setsv (cb, &PL_sv_undef);	2228	sv_setsv (cb, &PL_sv_undef);
1952		2229
1953	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;	2230	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;
1954	coro->saved_deffh = 0;	2231	coro->saved_deffh = 0;
1955		2232
1956	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)	2233	if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss)
1957	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))	2234	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
1958	{	2235	{
1959	SvREFCNT_dec (PL_diehook); PL_diehook = 0;	2236	SV *old = PL_diehook;
		2237	PL_diehook = 0;
		2238	SvREFCNT_dec (old);
1960	croak ("\3async_pool terminate\2\n");	2239	croak ("\3async_pool terminate\2\n");
1961	}	2240	}
1962		2241
1963	av_clear (GvAV (PL_defgv));	2242	av_clear (GvAV (PL_defgv));
1964	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,	2243	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
…		…
1970	api_trace (coro_current, 0);	2249	api_trace (coro_current, 0);
1971		2250
1972	av_push (av_async_pool, newSVsv (coro_current));	2251	av_push (av_async_pool, newSVsv (coro_current));
1973	}	2252	}
1974		2253
		2254	#if 0
		2255
		2256	void
		2257	_generator_call (...)
		2258	PROTOTYPE: @
		2259	PPCODE:
		2260	fprintf (stderr, "call %p\n", CvXSUBANY(cv).any_ptr);
		2261	xxxx
		2262	abort ();
		2263
		2264	SV *
		2265	gensub (SV *sub, ...)
		2266	PROTOTYPE: &;@
		2267	CODE:
		2268	{
		2269	struct coro *coro;
		2270	MAGIC *mg;
		2271	CV *xcv;
		2272	CV ncv = (CV )newSV_type (SVt_PVCV);
		2273	int i;
		2274
		2275	CvGV (ncv) = CvGV (cv);
		2276	CvFILE (ncv) = CvFILE (cv);
		2277
		2278	Newz (0, coro, 1, struct coro);
		2279	coro->args = newAV ();
		2280	coro->flags = CF_NEW;
		2281
		2282	av_extend (coro->args, items - 1);
		2283	for (i = 1; i < items; i++)
		2284	av_push (coro->args, newSVsv (ST (i)));
		2285
		2286	CvISXSUB_on (ncv);
		2287	CvXSUBANY (ncv).any_ptr = (void *)coro;
		2288
		2289	xcv = GvCV (gv_fetchpv ("Coro::_generator_call", 0, SVt_PVCV));
		2290
		2291	CvXSUB (ncv) = CvXSUB (xcv);
		2292	CvANON_on (ncv);
		2293
		2294	mg = sv_magicext ((SV )ncv, 0, CORO_MAGIC_type_state, &coro_gensub_vtbl, (char )coro, 0);
		2295	RETVAL = newRV_noinc ((SV *)ncv);
		2296	}
		2297	OUTPUT:
		2298	RETVAL
		2299
		2300	#endif
		2301
1975		2302
1976	MODULE = Coro::State PACKAGE = Coro::AIO	2303	MODULE = Coro::State PACKAGE = Coro::AIO
1977		2304
1978	SV *	2305	void
1979	_get_state ()	2306	_get_state (SV *self)
1980	CODE:	2307	PPCODE:
1981	{	2308	{
1982	struct io_state *data;	2309	AV *defav = GvAV (PL_defgv);
1983		2310	AV *av = newAV ();
		2311	int i;
1984	RETVAL = newSV (sizeof (struct io_state));	2312	SV *data_sv = newSV (sizeof (struct io_state));
1985	data = (struct io_state *)SvPVX (RETVAL);	2313	struct io_state data = (struct io_state )SvPVX (data_sv);
1986	SvCUR_set (RETVAL, sizeof (struct io_state));	2314	SvCUR_set (data_sv, sizeof (struct io_state));
1987	SvPOK_only (RETVAL);	2315	SvPOK_only (data_sv);
1988		2316
1989	data->errorno = errno;	2317	data->errorno = errno;
1990	data->laststype = PL_laststype;	2318	data->laststype = PL_laststype;
1991	data->laststatval = PL_laststatval;	2319	data->laststatval = PL_laststatval;
1992	data->statcache = PL_statcache;	2320	data->statcache = PL_statcache;
		2321
		2322	av_extend (av, AvFILLp (defav) + 1 + 1);
		2323
		2324	for (i = 0; i <= AvFILLp (defav); ++i)
		2325	av_push (av, SvREFCNT_inc_NN (AvARRAY (defav)[i]));
		2326
		2327	av_push (av, data_sv);
		2328
		2329	XPUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		2330
		2331	api_ready (self);
1993	}	2332	}
1994	OUTPUT:
1995	RETVAL
1996		2333
1997	void	2334	void
1998	_set_state (char *data_)	2335	_set_state (SV *state)
1999	PROTOTYPE: $	2336	PROTOTYPE: $
2000	CODE:	2337	PPCODE:
2001	{	2338	{
2002	struct io_state data = (void )data_;	2339	AV av = (AV )SvRV (state);
		2340	struct io_state data = (struct io_state )SvPVX (AvARRAY (av)[AvFILLp (av)]);
		2341	int i;
2003		2342
2004	errno = data->errorno;	2343	errno = data->errorno;
2005	PL_laststype = data->laststype;	2344	PL_laststype = data->laststype;
2006	PL_laststatval = data->laststatval;	2345	PL_laststatval = data->laststatval;
2007	PL_statcache = data->statcache;	2346	PL_statcache = data->statcache;
2008	}
2009		2347
		2348	EXTEND (SP, AvFILLp (av));
		2349	for (i = 0; i < AvFILLp (av); ++i)
		2350	PUSHs (sv_2mortal (SvREFCNT_inc_NN (AvARRAY (av)[i])));
		2351	}
		2352
		2353
		2354	MODULE = Coro::State PACKAGE = Coro::AnyEvent
		2355
		2356	BOOT:
		2357	sv_activity = coro_get_sv (aTHX_ "Coro::AnyEvent::ACTIVITY", TRUE);
		2358
		2359	SV *
		2360	_schedule (...)
		2361	PROTOTYPE: @
		2362	CODE:
		2363	{
		2364	static int incede;
		2365
		2366	api_cede_notself ();
		2367
		2368	++incede;
		2369	while (coro_nready >= incede && api_cede ())
		2370	;
		2371
		2372	sv_setsv (sv_activity, &PL_sv_undef);
		2373	if (coro_nready >= incede)
		2374	{
		2375	PUSHMARK (SP);
		2376	PUTBACK;
		2377	call_pv ("Coro::AnyEvent::_activity", G_DISCARD \| G_EVAL);
		2378	SPAGAIN;
		2379	}
		2380
		2381	--incede;
		2382	}
		2383
		2384
		2385	MODULE = Coro::State PACKAGE = PerlIO::cede
		2386
		2387	BOOT:
		2388	PerlIO_define_layer (aTHX_ &PerlIO_cede);

Diff Legend

-–
+Removed lines
-+
+Added lines
-<
+Changed lines
->
+Changed lines

Comparing Coro/Coro/State.xs (file contents): Revision 1.223 by root, Wed Feb 13 15:46:00 2008 UTC vs. Revision 1.257 by root, Sun Nov 9 15:35:44 2008 UTC

Diff Legend

Comparing Coro/Coro/State.xs (file contents):
Revision 1.223 by root, Wed Feb 13 15:46:00 2008 UTC vs.
Revision 1.257 by root, Sun Nov 9 15:35:44 2008 UTC