[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 1.258 by root, Sun Nov 9 23:08:49 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;
		1102
		1103	++cctx_count;
		1104	New (0, cctx, 1, coro_cctx);
		1105
		1106	cctx->gen = cctx_gen;
		1107	cctx->flags = 0;
		1108
		1109	return cctx;
		1110	}
		1111
		1112	/* create a new cctx only suitable as source */
		1113	static coro_cctx *
		1114	cctx_new_empty ()
		1115	{
		1116	coro_cctx *cctx = cctx_new ();
		1117
		1118	cctx->sptr = 0;
		1119	cctx->idle_sp = 0; /* should never be a valid address */
		1120	coro_create (&cctx->cctx, 0, 0, 0, 0);
		1121
		1122	return cctx;
		1123	}
		1124
		1125	/* create a new cctx suitable as destination/running a perl interpreter */
		1126	static coro_cctx *
		1127	cctx_new_run ()
		1128	{
		1129	coro_cctx *cctx = cctx_new ();
1011	void *stack_start;	1130	void *stack_start;
1012	size_t stack_size;	1131	size_t stack_size;
1013		1132
1014	++cctx_count;
1015
1016	Newz (0, cctx, 1, coro_cctx);
1017
1018	#if HAVE_MMAP	1133	#if HAVE_MMAP
1019	cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;	1134	cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;
1020	/* mmap supposedly does allocate-on-write for us */	1135	/* 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);	1136	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);
1022		1137
1023	if (cctx->sptr != (void *)-1)	1138	if (cctx->sptr != (void *)-1)
1024	{	1139	{
…		…
1030	cctx->flags \|= CC_MAPPED;	1145	cctx->flags \|= CC_MAPPED;
1031	}	1146	}
1032	else	1147	else
1033	#endif	1148	#endif
1034	{	1149	{
1035	cctx->ssize = coro_stacksize * (long)sizeof (long);	1150	cctx->ssize = cctx_stacksize * (long)sizeof (long);
1036	New (0, cctx->sptr, coro_stacksize, long);	1151	New (0, cctx->sptr, cctx_stacksize, long);
1037		1152
1038	if (!cctx->sptr)	1153	if (!cctx->sptr)
1039	{	1154	{
1040	perror ("FATAL: unable to allocate stack for coroutine");	1155	perror ("FATAL: unable to allocate stack for coroutine");
1041	_exit (EXIT_FAILURE);	1156	_exit (EXIT_FAILURE);
…		…
1056	{	1171	{
1057	if (!cctx)	1172	if (!cctx)
1058	return;	1173	return;
1059		1174
1060	--cctx_count;	1175	--cctx_count;
		1176	coro_destroy (&cctx->cctx);
1061		1177
		1178	/* coro_transfer creates new, empty cctx's */
		1179	if (cctx->sptr)
		1180	{
1062	#if CORO_USE_VALGRIND	1181	#if CORO_USE_VALGRIND
1063	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);	1182	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
1064	#endif	1183	#endif
1065		1184
1066	#if HAVE_MMAP	1185	#if HAVE_MMAP
1067	if (cctx->flags & CC_MAPPED)	1186	if (cctx->flags & CC_MAPPED)
1068	munmap (cctx->sptr, cctx->ssize);	1187	munmap (cctx->sptr, cctx->ssize);
1069	else	1188	else
1070	#endif	1189	#endif
1071	Safefree (cctx->sptr);	1190	Safefree (cctx->sptr);
		1191	}
1072		1192
1073	Safefree (cctx);	1193	Safefree (cctx);
1074	}	1194	}
1075		1195
1076	/* wether this cctx should be destructed */	1196	/* wether this cctx should be destructed */
1077	#define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize \|\| ((cctx)->flags & CC_NOREUSE))	1197	#define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen \|\| ((cctx)->flags & CC_NOREUSE))
1078		1198
1079	static coro_cctx *	1199	static coro_cctx *
1080	cctx_get (pTHX)	1200	cctx_get (pTHX)
1081	{	1201	{
1082	while (expect_true (cctx_first))	1202	while (expect_true (cctx_first))
…		…
1089	return cctx;	1209	return cctx;
1090		1210
1091	cctx_destroy (cctx);	1211	cctx_destroy (cctx);
1092	}	1212	}
1093		1213
1094	return cctx_new ();	1214	return cctx_new_run ();
1095	}	1215	}
1096		1216
1097	static void	1217	static void
1098	cctx_put (coro_cctx *cctx)	1218	cctx_put (coro_cctx *cctx)
1099	{	1219	{
		1220	assert (("cctx_put called on non-initialised cctx", cctx->sptr));
		1221
1100	/* free another cctx if overlimit */	1222	/* free another cctx if overlimit */
1101	if (expect_false (cctx_idle >= MAX_IDLE_CCTX))	1223	if (expect_false (cctx_idle >= cctx_max_idle))
1102	{	1224	{
1103	coro_cctx *first = cctx_first;	1225	coro_cctx *first = cctx_first;
1104	cctx_first = first->next;	1226	cctx_first = first->next;
1105	--cctx_idle;	1227	--cctx_idle;
1106		1228
…		…
1126	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");	1248	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
1127		1249
1128	if (expect_false (next->flags & CF_DESTROYED))	1250	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");	1251	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
1130		1252
1131	if (
1132	#if PERL_VERSION_ATLEAST (5,9,0)	1253	#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)	1254	if (expect_false (PL_lex_state != LEX_NOTPARSING))
1136	#endif
1137	)
1138	croak ("Coro::State::transfer called while parsing, but this is not supported");	1255	croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version");
		1256	#endif
1139	}	1257	}
1140	}	1258	}
1141		1259
1142	/* always use the TRANSFER macro */	1260	/* always use the TRANSFER macro */
1143	static void NOINLINE	1261	static void NOINLINE
1144	transfer (pTHX_ struct coro prev, struct coro next)	1262	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)
1145	{	1263	{
1146	dSTACKLEVEL;	1264	dSTACKLEVEL;
1147	static volatile int has_throw;
1148		1265
1149	/* sometimes transfer is only called to set idle_sp */	1266	/* sometimes transfer is only called to set idle_sp */
1150	if (expect_false (!next))	1267	if (expect_false (!next))
1151	{	1268	{
1152	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1269	((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 */	1270	assert (((coro_cctx )prev)->idle_te = PL_top_env); / just for the side-effect when asserts are enabled */
1154	}	1271	}
1155	else if (expect_true (prev != next))	1272	else if (expect_true (prev != next))
1156	{	1273	{
		1274	static volatile int has_throw;
1157	coro_cctx *prev__cctx;	1275	coro_cctx *prev__cctx;
1158		1276
1159	if (expect_false (prev->flags & CF_NEW))	1277	if (expect_false (prev->flags & CF_NEW))
1160	{	1278	{
1161	/* create a new empty context */	1279	/* create a new empty/source context */
1162	Newz (0, prev->cctx, 1, coro_cctx);	1280	prev->cctx = cctx_new_empty ();
1163	prev->flags &= ~CF_NEW;	1281	prev->flags &= ~CF_NEW;
1164	prev->flags \|= CF_RUNNING;	1282	prev->flags \|= CF_RUNNING;
1165	}	1283	}
1166		1284
1167	prev->flags &= ~CF_RUNNING;	1285	prev->flags &= ~CF_RUNNING;
…		…
1183	load_perl (aTHX_ next);	1301	load_perl (aTHX_ next);
1184		1302
1185	prev__cctx = prev->cctx;	1303	prev__cctx = prev->cctx;
1186		1304
1187	/* possibly "free" the cctx */	1305	/* possibly "free" the cctx */
1188	if (expect_true (prev__cctx->idle_sp == STACKLEVEL && !(prev__cctx->flags & CC_TRACE)))	1306	if (expect_true (
		1307	prev__cctx->idle_sp == STACKLEVEL
		1308	&& !(prev__cctx->flags & CC_TRACE)
		1309	&& !force_cctx
		1310	))
1189	{	1311	{
1190	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */	1312	/* 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));	1313	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
1192		1314
1193	prev->cctx = 0;	1315	prev->cctx = 0;
…		…
1236	struct transfer_args	1358	struct transfer_args
1237	{	1359	{
1238	struct coro prev, next;	1360	struct coro prev, next;
1239	};	1361	};
1240		1362
1241	#define TRANSFER(ta) transfer (aTHX_ (ta).prev, (ta).next)	1363	#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)	1364	#define TRANSFER_CHECK(ta) transfer_check (aTHX_ (ta).prev, (ta).next)
1243		1365
1244	/ high level stuff ******************************************************/	1366	/ high level stuff ******************************************************/
1245		1367
1246	static int	1368	static int
…		…
1270	croak ("FATAL: tried to destroy currently running coroutine");	1392	croak ("FATAL: tried to destroy currently running coroutine");
1271		1393
1272	save_perl (aTHX_ &temp);	1394	save_perl (aTHX_ &temp);
1273	load_perl (aTHX_ coro);	1395	load_perl (aTHX_ coro);
1274		1396
1275	coro_destroy (aTHX_ coro);	1397	coro_destruct (aTHX_ coro);
1276		1398
1277	load_perl (aTHX_ &temp);	1399	load_perl (aTHX_ &temp);
1278		1400
1279	coro->slot = 0;	1401	coro->slot = 0;
1280	}	1402	}
…		…
1340	{	1462	{
1341	dTHX;	1463	dTHX;
1342	struct transfer_args ta;	1464	struct transfer_args ta;
1343		1465
1344	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);	1466	prepare_transfer (aTHX_ &ta, prev_sv, next_sv);
1345	TRANSFER (ta);	1467	TRANSFER (ta, 1);
1346	}	1468	}
1347		1469
1348	/ Coro ******************************************************************/	1470	/ Coro ******************************************************************/
1349		1471
1350	static void	1472	static void
…		…
1368	static int	1490	static int
1369	api_ready (SV *coro_sv)	1491	api_ready (SV *coro_sv)
1370	{	1492	{
1371	dTHX;	1493	dTHX;
1372	struct coro *coro;	1494	struct coro *coro;
		1495	SV *sv_hook;
		1496	void (*xs_hook)(void);
1373		1497
1374	if (SvROK (coro_sv))	1498	if (SvROK (coro_sv))
1375	coro_sv = SvRV (coro_sv);	1499	coro_sv = SvRV (coro_sv);
1376		1500
1377	coro = SvSTATE (coro_sv);	1501	coro = SvSTATE (coro_sv);
…		…
1380	return 0;	1504	return 0;
1381		1505
1382	coro->flags \|= CF_READY;	1506	coro->flags \|= CF_READY;
1383		1507
1384	LOCK;	1508	LOCK;
		1509
		1510	sv_hook = coro_nready ? 0 : coro_readyhook;
		1511	xs_hook = coro_nready ? 0 : coroapi.readyhook;
		1512
1385	coro_enq (aTHX_ SvREFCNT_inc (coro_sv));	1513	coro_enq (aTHX_ SvREFCNT_inc_NN (coro_sv));
1386	++coro_nready;	1514	++coro_nready;
		1515
1387	UNLOCK;	1516	UNLOCK;
		1517
		1518	if (sv_hook)
		1519	{
		1520	dSP;
		1521
		1522	ENTER;
		1523	SAVETMPS;
		1524
		1525	PUSHMARK (SP);
		1526	PUTBACK;
		1527	call_sv (sv_hook, G_DISCARD);
		1528	SPAGAIN;
		1529
		1530	FREETMPS;
		1531	LEAVE;
		1532	}
		1533
		1534	if (xs_hook)
		1535	xs_hook ();
1388		1536
1389	return 1;	1537	return 1;
1390	}	1538	}
1391		1539
1392	static int	1540	static int
…		…
1481	{	1629	{
1482	dTHX;	1630	dTHX;
1483	struct transfer_args ta;	1631	struct transfer_args ta;
1484		1632
1485	prepare_schedule (aTHX_ &ta);	1633	prepare_schedule (aTHX_ &ta);
1486	TRANSFER (ta);	1634	TRANSFER (ta, 1);
1487	}	1635	}
1488		1636
1489	static int	1637	static int
1490	api_cede (void)	1638	api_cede (void)
1491	{	1639	{
…		…
1494		1642
1495	prepare_cede (aTHX_ &ta);	1643	prepare_cede (aTHX_ &ta);
1496		1644
1497	if (expect_true (ta.prev != ta.next))	1645	if (expect_true (ta.prev != ta.next))
1498	{	1646	{
1499	TRANSFER (ta);	1647	TRANSFER (ta, 1);
1500	return 1;	1648	return 1;
1501	}	1649	}
1502	else	1650	else
1503	return 0;	1651	return 0;
1504	}	1652	}
…		…
1509	dTHX;	1657	dTHX;
1510	struct transfer_args ta;	1658	struct transfer_args ta;
1511		1659
1512	if (prepare_cede_notself (aTHX_ &ta))	1660	if (prepare_cede_notself (aTHX_ &ta))
1513	{	1661	{
1514	TRANSFER (ta);	1662	TRANSFER (ta, 1);
1515	return 1;	1663	return 1;
1516	}	1664	}
1517	else	1665	else
1518	return 0;	1666	return 0;
1519	}	1667	}
…		…
1525	struct coro *coro = SvSTATE (coro_sv);	1673	struct coro *coro = SvSTATE (coro_sv);
1526		1674
1527	if (flags & CC_TRACE)	1675	if (flags & CC_TRACE)
1528	{	1676	{
1529	if (!coro->cctx)	1677	if (!coro->cctx)
1530	coro->cctx = cctx_new ();	1678	coro->cctx = cctx_new_run ();
1531	else if (!(coro->cctx->flags & CC_TRACE))	1679	else if (!(coro->cctx->flags & CC_TRACE))
1532	croak ("cannot enable tracing on coroutine with custom stack");	1680	croak ("cannot enable tracing on coroutine with custom stack");
1533		1681
1534	coro->cctx->flags \|= CC_NOREUSE \| (flags & (CC_TRACE \| CC_TRACE_ALL));	1682	coro->cctx->flags \|= CC_NOREUSE \| (flags & (CC_TRACE \| CC_TRACE_ALL));
1535	}	1683	}
…		…
1542	else	1690	else
1543	coro->slot->runops = RUNOPS_DEFAULT;	1691	coro->slot->runops = RUNOPS_DEFAULT;
1544	}	1692	}
1545	}	1693	}
1546		1694
		1695	#if 0
		1696	static int
		1697	coro_gensub_free (pTHX_ SV sv, MAGIC mg)
		1698	{
		1699	AV *padlist;
		1700	AV av = (AV )mg->mg_obj;
		1701
		1702	abort ();
		1703
		1704	return 0;
		1705	}
		1706
		1707	static MGVTBL coro_gensub_vtbl = {
		1708	0, 0, 0, 0,
		1709	coro_gensub_free
		1710	};
		1711	#endif
		1712
		1713	/*****************************************************************************/
		1714	/* PerlIO::cede */
		1715
		1716	typedef struct
		1717	{
		1718	PerlIOBuf base;
		1719	NV next, every;
		1720	} PerlIOCede;
		1721
		1722	static IV
		1723	PerlIOCede_pushed (pTHX_ PerlIO f, const char mode, SV arg, PerlIO_funcs tab)
		1724	{
		1725	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1726
		1727	self->every = SvCUR (arg) ? SvNV (arg) : 0.01;
		1728	self->next = nvtime () + self->every;
		1729
		1730	return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab);
		1731	}
		1732
		1733	static SV *
		1734	PerlIOCede_getarg (pTHX_ PerlIO f, CLONE_PARAMS param, int flags)
		1735	{
		1736	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1737
		1738	return newSVnv (self->every);
		1739	}
		1740
		1741	static IV
		1742	PerlIOCede_flush (pTHX_ PerlIO *f)
		1743	{
		1744	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1745	double now = nvtime ();
		1746
		1747	if (now >= self->next)
		1748	{
		1749	api_cede ();
		1750	self->next = now + self->every;
		1751	}
		1752
		1753	return PerlIOBuf_flush (aTHX_ f);
		1754	}
		1755
		1756	static PerlIO_funcs PerlIO_cede =
		1757	{
		1758	sizeof(PerlIO_funcs),
		1759	"cede",
		1760	sizeof(PerlIOCede),
		1761	PERLIO_K_DESTRUCT \| PERLIO_K_RAW,
		1762	PerlIOCede_pushed,
		1763	PerlIOBuf_popped,
		1764	PerlIOBuf_open,
		1765	PerlIOBase_binmode,
		1766	PerlIOCede_getarg,
		1767	PerlIOBase_fileno,
		1768	PerlIOBuf_dup,
		1769	PerlIOBuf_read,
		1770	PerlIOBuf_unread,
		1771	PerlIOBuf_write,
		1772	PerlIOBuf_seek,
		1773	PerlIOBuf_tell,
		1774	PerlIOBuf_close,
		1775	PerlIOCede_flush,
		1776	PerlIOBuf_fill,
		1777	PerlIOBase_eof,
		1778	PerlIOBase_error,
		1779	PerlIOBase_clearerr,
		1780	PerlIOBase_setlinebuf,
		1781	PerlIOBuf_get_base,
		1782	PerlIOBuf_bufsiz,
		1783	PerlIOBuf_get_ptr,
		1784	PerlIOBuf_get_cnt,
		1785	PerlIOBuf_set_ptrcnt,
		1786	};
		1787
		1788
1547	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	1789	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1548		1790
1549	PROTOTYPES: DISABLE	1791	PROTOTYPES: DISABLE
1550		1792
1551	BOOT:	1793	BOOT:
1552	{	1794	{
1553	#ifdef USE_ITHREADS	1795	#ifdef USE_ITHREADS
1554	MUTEX_INIT (&coro_mutex);	1796	MUTEX_INIT (&coro_lock);
		1797	# if CORO_PTHREAD
		1798	coro_thx = PERL_GET_CONTEXT;
		1799	# endif
1555	#endif	1800	#endif
1556	BOOT_PAGESIZE;	1801	BOOT_PAGESIZE;
1557		1802
1558	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);	1803	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
1559	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);	1804	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
1560		1805
1561	orig_sigelem_get = PL_vtbl_sigelem.svt_get;	1806	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;	1807	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;	1808	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		1809
1566	hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);	1810	hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);
1567	rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));	1811	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));	1812	rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));
1569		1813
…		…
1578	main_top_env = PL_top_env;	1822	main_top_env = PL_top_env;
1579		1823
1580	while (main_top_env->je_prev)	1824	while (main_top_env->je_prev)
1581	main_top_env = main_top_env->je_prev;	1825	main_top_env = main_top_env->je_prev;
1582		1826
1583	coroapi.ver = CORO_API_VERSION;	1827	coroapi.ver = CORO_API_VERSION;
1584	coroapi.rev = CORO_API_REVISION;	1828	coroapi.rev = CORO_API_REVISION;
1585	coroapi.transfer = api_transfer;	1829	coroapi.transfer = api_transfer;
		1830
		1831	{
		1832	SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0);
		1833
		1834	if (!svp) croak ("Time::HiRes is required");
		1835	if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");
		1836
		1837	nvtime = INT2PTR (double ()(), SvIV (svp));
		1838	}
1586		1839
1587	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	1840	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
1588	}	1841	}
1589		1842
1590	SV *	1843	SV *
…		…
1638	ta.next = 0;	1891	ta.next = 0;
1639	break;	1892	break;
1640		1893
1641	case 1:	1894	case 1:
1642	if (items != 2)	1895	if (items != 2)
1643	croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items);	1896	croak ("Coro::State::transfer (prev, next) expects two arguments, not %d", items);
1644		1897
1645	prepare_transfer (aTHX_ &ta, ST (0), ST (1));	1898	prepare_transfer (aTHX_ &ta, ST (0), ST (1));
1646	break;	1899	break;
1647		1900
1648	case 2:	1901	case 2:
…		…
1661	}	1914	}
1662	SPAGAIN;	1915	SPAGAIN;
1663		1916
1664	BARRIER;	1917	BARRIER;
1665	PUTBACK;	1918	PUTBACK;
1666	TRANSFER (ta);	1919	TRANSFER (ta, 0);
1667	SPAGAIN; /* might be the sp of a different coroutine now */	1920	SPAGAIN; /* might be the sp of a different coroutine now */
1668	/* be extra careful not to ever do anything after TRANSFER */	1921	/* be extra careful not to ever do anything after TRANSFER */
1669	}	1922	}
1670		1923
1671	bool	1924	bool
…		…
1674	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));	1927	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));
1675	OUTPUT:	1928	OUTPUT:
1676	RETVAL	1929	RETVAL
1677		1930
1678	void	1931	void
1679	_exit (code)	1932	_exit (int code)
1680	int code
1681	PROTOTYPE: $	1933	PROTOTYPE: $
1682	CODE:	1934	CODE:
1683	_exit (code);	1935	_exit (code);
1684		1936
1685	int	1937	int
1686	cctx_stacksize (int new_stacksize = 0)	1938	cctx_stacksize (int new_stacksize = 0)
1687	CODE:	1939	CODE:
1688	RETVAL = coro_stacksize;	1940	RETVAL = cctx_stacksize;
1689	if (new_stacksize)	1941	if (new_stacksize)
		1942	{
1690	coro_stacksize = new_stacksize;	1943	cctx_stacksize = new_stacksize;
		1944	++cctx_gen;
		1945	}
		1946	OUTPUT:
		1947	RETVAL
		1948
		1949	int
		1950	cctx_max_idle (int max_idle = 0)
		1951	CODE:
		1952	RETVAL = cctx_max_idle;
		1953	if (max_idle > 1)
		1954	cctx_max_idle = max_idle;
1691	OUTPUT:	1955	OUTPUT:
1692	RETVAL	1956	RETVAL
1693		1957
1694	int	1958	int
1695	cctx_count ()	1959	cctx_count ()
…		…
1719	call (Coro::State coro, SV *coderef)	1983	call (Coro::State coro, SV *coderef)
1720	ALIAS:	1984	ALIAS:
1721	eval = 1	1985	eval = 1
1722	CODE:	1986	CODE:
1723	{	1987	{
1724	if (coro->mainstack)	1988	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))
1725	{	1989	{
1726	struct coro temp;	1990	struct coro temp;
1727		1991
1728	if (!(coro->flags & CF_RUNNING))	1992	if (!(coro->flags & CF_RUNNING))
1729	{	1993	{
…		…
1776		2040
1777	void	2041	void
1778	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)	2042	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)
1779		2043
1780	SV *	2044	SV *
1781	has_stack (Coro::State coro)	2045	has_cctx (Coro::State coro)
1782	PROTOTYPE: $	2046	PROTOTYPE: $
1783	CODE:	2047	CODE:
1784	RETVAL = boolSV (!!coro->cctx);	2048	RETVAL = boolSV (!!coro->cctx);
1785	OUTPUT:	2049	OUTPUT:
1786	RETVAL	2050	RETVAL
…		…
1791	CODE:	2055	CODE:
1792	RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL;	2056	RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL;
1793	OUTPUT:	2057	OUTPUT:
1794	RETVAL	2058	RETVAL
1795		2059
1796	IV	2060	UV
1797	rss (Coro::State coro)	2061	rss (Coro::State coro)
1798	PROTOTYPE: $	2062	PROTOTYPE: $
1799	ALIAS:	2063	ALIAS:
1800	usecount = 1	2064	usecount = 1
1801	CODE:	2065	CODE:
…		…
1805	case 1: RETVAL = coro->usecount; break;	2069	case 1: RETVAL = coro->usecount; break;
1806	}	2070	}
1807	OUTPUT:	2071	OUTPUT:
1808	RETVAL	2072	RETVAL
1809		2073
		2074	void
		2075	force_cctx ()
		2076	CODE:
		2077	struct coro *coro = SvSTATE (coro_current);
		2078	coro->cctx->idle_sp = 0;
		2079
		2080	void
		2081	swap_defsv (Coro::State self)
		2082	PROTOTYPE: $
		2083	ALIAS:
		2084	swap_defav = 1
		2085	CODE:
		2086	if (!self->slot)
		2087	croak ("cannot swap state with coroutine that has no saved state");
		2088	else
		2089	{
		2090	SV src = ix ? (SV )&GvAV (PL_defgv) : &GvSV (PL_defgv);
		2091	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;
		2092
		2093	SV tmp = src; src = dst; *dst = tmp;
		2094	}
1810		2095
1811	MODULE = Coro::State PACKAGE = Coro	2096	MODULE = Coro::State PACKAGE = Coro
1812		2097
1813	BOOT:	2098	BOOT:
1814	{	2099	{
1815	int i;	2100	int i;
1816		2101
		2102	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
1817	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);	2103	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
1818	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);	2104	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
1819	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
1820		2105
1821	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);	2106	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);
1822	SvREADONLY_on (coro_current);	2107	SvREADONLY_on (coro_current);
1823		2108
1824	coro_stash = gv_stashpv ("Coro", TRUE);	2109	coro_stash = gv_stashpv ("Coro", TRUE);
…		…
1854	void	2139	void
1855	_set_current (SV *current)	2140	_set_current (SV *current)
1856	PROTOTYPE: $	2141	PROTOTYPE: $
1857	CODE:	2142	CODE:
1858	SvREFCNT_dec (SvRV (coro_current));	2143	SvREFCNT_dec (SvRV (coro_current));
1859	SvRV_set (coro_current, SvREFCNT_inc (SvRV (current)));	2144	SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));
		2145
		2146	void
		2147	_set_readyhook (SV *hook)
		2148	PROTOTYPE: $
		2149	CODE:
		2150	LOCK;
		2151	SvREFCNT_dec (coro_readyhook);
		2152	coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;
		2153	UNLOCK;
1860		2154
1861	int	2155	int
1862	prio (Coro::State coro, int newprio = 0)	2156	prio (Coro::State coro, int newprio = 0)
1863	ALIAS:	2157	ALIAS:
1864	nice = 1	2158	nice = 1
…		…
1915	AV *invoke_av;	2209	AV *invoke_av;
1916	int i, len;	2210	int i, len;
1917		2211
1918	if (!invoke)	2212	if (!invoke)
1919	{	2213	{
1920	SvREFCNT_dec (PL_diehook); PL_diehook = 0;	2214	SV *old = PL_diehook;
		2215	PL_diehook = 0;
		2216	SvREFCNT_dec (old);
1921	croak ("\3async_pool terminate\2\n");	2217	croak ("\3async_pool terminate\2\n");
1922	}	2218	}
1923		2219
1924	SvREFCNT_dec (coro->saved_deffh);	2220	SvREFCNT_dec (coro->saved_deffh);
1925	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);	2221	coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv);
1926		2222
1927	hv_store (hv, "desc", sizeof ("desc") - 1,	2223	hv_store (hv, "desc", sizeof ("desc") - 1,
1928	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);	2224	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
1929		2225
1930	invoke_av = (AV *)SvRV (invoke);	2226	invoke_av = (AV *)SvRV (invoke);
…		…
1934		2230
1935	if (len > 0)	2231	if (len > 0)
1936	{	2232	{
1937	av_fill (defav, len - 1);	2233	av_fill (defav, len - 1);
1938	for (i = 0; i < len; ++i)	2234	for (i = 0; i < len; ++i)
1939	av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1]));	2235	av_store (defav, i, SvREFCNT_inc_NN (AvARRAY (invoke_av)[i + 1]));
1940	}	2236	}
1941		2237
1942	SvREFCNT_dec (invoke);	2238	SvREFCNT_dec (invoke);
1943	}	2239	}
1944		2240
…		…
1951	sv_setsv (cb, &PL_sv_undef);	2247	sv_setsv (cb, &PL_sv_undef);
1952		2248
1953	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;	2249	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;
1954	coro->saved_deffh = 0;	2250	coro->saved_deffh = 0;
1955		2251
1956	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)	2252	if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss)
1957	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))	2253	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
1958	{	2254	{
1959	SvREFCNT_dec (PL_diehook); PL_diehook = 0;	2255	SV *old = PL_diehook;
		2256	PL_diehook = 0;
		2257	SvREFCNT_dec (old);
1960	croak ("\3async_pool terminate\2\n");	2258	croak ("\3async_pool terminate\2\n");
1961	}	2259	}
1962		2260
1963	av_clear (GvAV (PL_defgv));	2261	av_clear (GvAV (PL_defgv));
1964	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,	2262	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
…		…
1970	api_trace (coro_current, 0);	2268	api_trace (coro_current, 0);
1971		2269
1972	av_push (av_async_pool, newSVsv (coro_current));	2270	av_push (av_async_pool, newSVsv (coro_current));
1973	}	2271	}
1974		2272
		2273	#if 0
		2274
		2275	void
		2276	_generator_call (...)
		2277	PROTOTYPE: @
		2278	PPCODE:
		2279	fprintf (stderr, "call %p\n", CvXSUBANY(cv).any_ptr);
		2280	xxxx
		2281	abort ();
		2282
		2283	SV *
		2284	gensub (SV *sub, ...)
		2285	PROTOTYPE: &;@
		2286	CODE:
		2287	{
		2288	struct coro *coro;
		2289	MAGIC *mg;
		2290	CV *xcv;
		2291	CV ncv = (CV )newSV_type (SVt_PVCV);
		2292	int i;
		2293
		2294	CvGV (ncv) = CvGV (cv);
		2295	CvFILE (ncv) = CvFILE (cv);
		2296
		2297	Newz (0, coro, 1, struct coro);
		2298	coro->args = newAV ();
		2299	coro->flags = CF_NEW;
		2300
		2301	av_extend (coro->args, items - 1);
		2302	for (i = 1; i < items; i++)
		2303	av_push (coro->args, newSVsv (ST (i)));
		2304
		2305	CvISXSUB_on (ncv);
		2306	CvXSUBANY (ncv).any_ptr = (void *)coro;
		2307
		2308	xcv = GvCV (gv_fetchpv ("Coro::_generator_call", 0, SVt_PVCV));
		2309
		2310	CvXSUB (ncv) = CvXSUB (xcv);
		2311	CvANON_on (ncv);
		2312
		2313	mg = sv_magicext ((SV )ncv, 0, CORO_MAGIC_type_state, &coro_gensub_vtbl, (char )coro, 0);
		2314	RETVAL = newRV_noinc ((SV *)ncv);
		2315	}
		2316	OUTPUT:
		2317	RETVAL
		2318
		2319	#endif
		2320
1975		2321
1976	MODULE = Coro::State PACKAGE = Coro::AIO	2322	MODULE = Coro::State PACKAGE = Coro::AIO
1977		2323
1978	SV *	2324	void
1979	_get_state ()	2325	_get_state (SV *self)
1980	CODE:	2326	PPCODE:
1981	{	2327	{
1982	struct io_state *data;	2328	AV *defav = GvAV (PL_defgv);
1983		2329	AV *av = newAV ();
		2330	int i;
1984	RETVAL = newSV (sizeof (struct io_state));	2331	SV *data_sv = newSV (sizeof (struct io_state));
1985	data = (struct io_state *)SvPVX (RETVAL);	2332	struct io_state data = (struct io_state )SvPVX (data_sv);
1986	SvCUR_set (RETVAL, sizeof (struct io_state));	2333	SvCUR_set (data_sv, sizeof (struct io_state));
1987	SvPOK_only (RETVAL);	2334	SvPOK_only (data_sv);
1988		2335
1989	data->errorno = errno;	2336	data->errorno = errno;
1990	data->laststype = PL_laststype;	2337	data->laststype = PL_laststype;
1991	data->laststatval = PL_laststatval;	2338	data->laststatval = PL_laststatval;
1992	data->statcache = PL_statcache;	2339	data->statcache = PL_statcache;
		2340
		2341	av_extend (av, AvFILLp (defav) + 1 + 1);
		2342
		2343	for (i = 0; i <= AvFILLp (defav); ++i)
		2344	av_push (av, SvREFCNT_inc_NN (AvARRAY (defav)[i]));
		2345
		2346	av_push (av, data_sv);
		2347
		2348	XPUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		2349
		2350	api_ready (self);
1993	}	2351	}
1994	OUTPUT:
1995	RETVAL
1996		2352
1997	void	2353	void
1998	_set_state (char *data_)	2354	_set_state (SV *state)
1999	PROTOTYPE: $	2355	PROTOTYPE: $
2000	CODE:	2356	PPCODE:
2001	{	2357	{
2002	struct io_state data = (void )data_;	2358	AV av = (AV )SvRV (state);
		2359	struct io_state data = (struct io_state )SvPVX (AvARRAY (av)[AvFILLp (av)]);
		2360	int i;
2003		2361
2004	errno = data->errorno;	2362	errno = data->errorno;
2005	PL_laststype = data->laststype;	2363	PL_laststype = data->laststype;
2006	PL_laststatval = data->laststatval;	2364	PL_laststatval = data->laststatval;
2007	PL_statcache = data->statcache;	2365	PL_statcache = data->statcache;
2008	}
2009		2366
		2367	EXTEND (SP, AvFILLp (av));
		2368	for (i = 0; i < AvFILLp (av); ++i)
		2369	PUSHs (sv_2mortal (SvREFCNT_inc_NN (AvARRAY (av)[i])));
		2370	}
		2371
		2372
		2373	MODULE = Coro::State PACKAGE = Coro::AnyEvent
		2374
		2375	BOOT:
		2376	sv_activity = coro_get_sv (aTHX_ "Coro::AnyEvent::ACTIVITY", TRUE);
		2377
		2378	SV *
		2379	_schedule (...)
		2380	PROTOTYPE: @
		2381	CODE:
		2382	{
		2383	static int incede;
		2384
		2385	api_cede_notself ();
		2386
		2387	++incede;
		2388	while (coro_nready >= incede && api_cede ())
		2389	;
		2390
		2391	sv_setsv (sv_activity, &PL_sv_undef);
		2392	if (coro_nready >= incede)
		2393	{
		2394	PUSHMARK (SP);
		2395	PUTBACK;
		2396	call_pv ("Coro::AnyEvent::_activity", G_DISCARD \| G_EVAL);
		2397	SPAGAIN;
		2398	}
		2399
		2400	--incede;
		2401	}
		2402
		2403
		2404	MODULE = Coro::State PACKAGE = PerlIO::cede
		2405
		2406	BOOT:
		2407	PerlIO_define_layer (aTHX_ &PerlIO_cede);

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Comparing Coro/Coro/State.xs (file contents): Revision 1.223 by root, Wed Feb 13 15:46:00 2008 UTC vs. Revision 1.258 by root, Sun Nov 9 23:08:49 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 1.258 by root, Sun Nov 9 23:08:49 2008 UTC