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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.229 by root, Thu Apr 10 07:45:33 2008 UTC vs.
Revision 1.255 by root, Sat Nov 8 04:52:01 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
133	static perl_mutex coro_mutex;	147	static perl_mutex coro_lock;
134	# define LOCK do { MUTEX_LOCK (&coro_mutex); } while (0)	148	# define LOCK do { MUTEX_LOCK (&coro_lock); } while (0)
135	# define UNLOCK do { MUTEX_UNLOCK (&coro_mutex); } while (0)	149	# define UNLOCK do { MUTEX_UNLOCK (&coro_lock); } while (0)
136	#else	150	#else
137	# define LOCK (void)0	151	# define LOCK (void)0
138	# define UNLOCK (void)0	152	# define UNLOCK (void)0
139	#endif	153	#endif
140		154
141	/* helper storage struct for Coro::AIO */	155	/* helper storage struct for Coro::AIO */
142	struct io_state	156	struct io_state
143	{	157	{
		158	AV *res;
144	int errorno;	159	int errorno;
145	I32 laststype;	160	I32 laststype; /* U16 in 5.10.0 */
146	int laststatval;	161	int laststatval;
147	Stat_t statcache;	162	Stat_t statcache;
148	};	163	};
149		164
		165	static double (nvtime)(); / so why doesn't it take void? */
		166
		167	static U32 cctx_gen;
150	static size_t coro_stacksize = CORO_STACKSIZE;	168	static size_t cctx_stacksize = CORO_STACKSIZE;
151	static struct CoroAPI coroapi;	169	static struct CoroAPI coroapi;
152	static AV main_mainstack; / used to differentiate between $main and others */	170	static AV main_mainstack; / used to differentiate between $main and others */
153	static JMPENV *main_top_env;	171	static JMPENV *main_top_env;
154	static HV coro_state_stash, coro_stash;	172	static HV coro_state_stash, coro_stash;
155	static volatile SV coro_mortal; / will be freed after next transfer */	173	static volatile SV coro_mortal; / will be freed/thrown after next transfer */
156		174
157	static GV irsgv; / $/ */	175	static GV irsgv; / $/ */
158	static GV stdoutgv; / STDOUT /	176	static GV stdoutgv; / STDOUT /
159	static SV *rv_diehook;	177	static SV *rv_diehook;
160	static SV *rv_warnhook;	178	static SV *rv_warnhook;
…		…
162		180
163	/* async_pool helper stuff */	181	/* async_pool helper stuff */
164	static SV *sv_pool_rss;	182	static SV *sv_pool_rss;
165	static SV *sv_pool_size;	183	static SV *sv_pool_size;
166	static AV *av_async_pool;	184	static AV *av_async_pool;
		185
		186	/* Coro::AnyEvent */
		187	static SV *sv_activity;
167		188
168	static struct coro_cctx *cctx_first;	189	static struct coro_cctx *cctx_first;
169	static int cctx_count, cctx_idle;	190	static int cctx_count, cctx_idle;
170		191
171	enum {	192	enum {
…		…
189	void idle_sp; / sp of top-level transfer/schedule/cede call */	210	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 */	211	JMPENV idle_te; / same as idle_sp, but for top_env, TODO: remove once stable */
191	JMPENV *top_env;	212	JMPENV *top_env;
192	coro_context cctx;	213	coro_context cctx;
193		214
		215	U32 gen;
194	#if CORO_USE_VALGRIND	216	#if CORO_USE_VALGRIND
195	int valgrind_id;	217	int valgrind_id;
196	#endif	218	#endif
197	unsigned char flags;	219	unsigned char flags;
198	} coro_cctx;	220	} coro_cctx;
…		…
257	#define PRIO_IDLE -3	279	#define PRIO_IDLE -3
258	#define PRIO_MIN -4	280	#define PRIO_MIN -4
259		281
260	/* for Coro.pm */	282	/* for Coro.pm */
261	static SV *coro_current;	283	static SV *coro_current;
		284	static SV *coro_readyhook;
262	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];	285	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
263	static int coro_nready;	286	static int coro_nready;
264	static struct coro *coro_first;	287	static struct coro *coro_first;
265		288
266	/ lowlevel stuff ********************************************************/	289	/ lowlevel stuff ********************************************************/
…		…
309	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);	332	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
310	#endif	333	#endif
311	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];	334	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
312	--AvFILLp (padlist);	335	--AvFILLp (padlist);
313		336
314	av_store (newpadlist, 0, SvREFCNT_inc (*av_fetch (padlist, 0, FALSE)));	337	av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE)));
315	av_store (newpadlist, 1, (SV *)newpad);	338	av_store (newpadlist, 1, (SV *)newpad);
316		339
317	return newpadlist;	340	return newpadlist;
318	}	341	}
319		342
…		…
349		372
350	/* casting is fun. */	373	/* casting is fun. */
351	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))	374	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
352	free_padlist (aTHX_ padlist);	375	free_padlist (aTHX_ padlist);
353		376
		377	SvREFCNT_dec (av); /* sv_magicext increased the refcount */
		378
354	return 0;	379	return 0;
355	}	380	}
356		381
357	#define CORO_MAGIC_type_cv PERL_MAGIC_ext	382	#define CORO_MAGIC_type_cv PERL_MAGIC_ext
358	#define CORO_MAGIC_type_state PERL_MAGIC_ext	383	#define CORO_MAGIC_type_state PERL_MAGIC_ext
…		…
360	static MGVTBL coro_cv_vtbl = {	385	static MGVTBL coro_cv_vtbl = {
361	0, 0, 0, 0,	386	0, 0, 0, 0,
362	coro_cv_free	387	coro_cv_free
363	};	388	};
364		389
365	#define CORO_MAGIC(sv,type) \	390	#define CORO_MAGIC(sv, type) \
366	SvMAGIC (sv) \	391	SvMAGIC (sv) \
367	? SvMAGIC (sv)->mg_type == type \	392	? SvMAGIC (sv)->mg_type == type \
368	? SvMAGIC (sv) \	393	? SvMAGIC (sv) \
369	: mg_find (sv, type) \	394	: mg_find (sv, type) \
370	: 0	395	: 0
371		396
372	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)	397	#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)	398	#define CORO_MAGIC_state(sv) CORO_MAGIC (((SV *)(sv)), CORO_MAGIC_type_state)
374		399
375	static struct coro *	400	static struct coro *
…		…
408	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))	433	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))
409	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];	434	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
410	else	435	else
411	{	436	{
412	#if CORO_PREFER_PERL_FUNCTIONS	437	#if CORO_PREFER_PERL_FUNCTIONS
413	/* this is probably cleaner, but also slower? */	438	/* this is probably cleaner? but also slower! */
		439	/* in practise, it seems to be less stable */
414	CV *cp = Perl_cv_clone (cv);	440	CV *cp = Perl_cv_clone (cv);
415	CvPADLIST (cv) = CvPADLIST (cp);	441	CvPADLIST (cv) = CvPADLIST (cp);
416	CvPADLIST (cp) = 0;	442	CvPADLIST (cp) = 0;
417	SvREFCNT_dec (cp);	443	SvREFCNT_dec (cp);
418	#else	444	#else
…		…
502		528
503	if (expect_true (CvDEPTH (cv)))	529	if (expect_true (CvDEPTH (cv)))
504	{	530	{
505	EXTEND (SP, 3);	531	EXTEND (SP, 3);
506	PUSHs ((SV *)CvPADLIST (cv));	532	PUSHs ((SV *)CvPADLIST (cv));
507	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));	533	PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv)));
508	PUSHs ((SV *)cv);	534	PUSHs ((SV *)cv);
509		535
510	CvDEPTH (cv) = 0;	536	CvDEPTH (cv) = 0;
511	get_padlist (aTHX_ cv);	537	get_padlist (aTHX_ cv);
512	}	538	}
…		…
604		630
605	/*	631	/*
606	* destroy the stacks, the callchain etc...	632	* destroy the stacks, the callchain etc...
607	*/	633	*/
608	static void	634	static void
609	coro_destroy_stacks (pTHX)	635	coro_destruct_stacks (pTHX)
610	{	636	{
611	while (PL_curstackinfo->si_next)	637	while (PL_curstackinfo->si_next)
612	PL_curstackinfo = PL_curstackinfo->si_next;	638	PL_curstackinfo = PL_curstackinfo->si_next;
613		639
614	while (PL_curstackinfo)	640	while (PL_curstackinfo)
…		…
651	#undef VAR	677	#undef VAR
652	}	678	}
653	else	679	else
654	slot = coro->slot;	680	slot = coro->slot;
655		681
		682	if (slot)
		683	{
656	rss += sizeof (slot->curstackinfo);	684	rss += sizeof (slot->curstackinfo);
657	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);	685	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
658	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);	686	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);
659	rss += slot->tmps_max * sizeof (SV *);	687	rss += slot->tmps_max * sizeof (SV *);
660	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);	688	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
661	rss += slot->scopestack_max * sizeof (I32);	689	rss += slot->scopestack_max * sizeof (I32);
662	rss += slot->savestack_max * sizeof (ANY);	690	rss += slot->savestack_max * sizeof (ANY);
663		691
664	#if !PERL_VERSION_ATLEAST (5,10,0)	692	#if !PERL_VERSION_ATLEAST (5,10,0)
665	rss += slot->retstack_max * sizeof (OP *);	693	rss += slot->retstack_max * sizeof (OP *);
666	#endif	694	#endif
		695	}
667	}	696	}
668		697
669	return rss;	698	return rss;
670	}	699	}
671		700
672	/ coroutine stack handling **********************************************/	701	/ coroutine stack handling **********************************************/
673		702
674	static int (orig_sigelem_get) (pTHX_ SV sv, MAGIC *mg);	703	static int (orig_sigelem_get) (pTHX_ SV sv, MAGIC *mg);
675	static int (orig_sigelem_set) (pTHX_ SV sv, MAGIC *mg);	704	static int (orig_sigelem_set) (pTHX_ SV sv, MAGIC *mg);
		705	static int (orig_sigelem_clr) (pTHX_ SV sv, MAGIC *mg);
		706
		707	/* apparently < 5.8.8 */
		708	#ifndef MgPV_nolen_const
		709	#define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \
		710	SvPV_nolen((SV*)((mg)->mg_ptr)) : \
		711	(const char*)(mg)->mg_ptr)
		712	#endif
676		713
677	/*	714	/*
678	* This overrides the default magic get method of %SIG elements.	715	* 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	716	* 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	717	* and instead of tryign to save and restore the hash elements, we just provide
…		…
688	{	725	{
689	const char *s = MgPV_nolen_const (mg);	726	const char *s = MgPV_nolen_const (mg);
690		727
691	if (*s == '_')	728	if (*s == '_')
692	{	729	{
693	if (strEQ (s, "__DIE__" ) && PL_diehook ) return sv_setsv (sv, PL_diehook ), 0;	730	SV **svp = 0;
694	if (strEQ (s, "__WARN__") && PL_warnhook) return sv_setsv (sv, PL_warnhook), 0;	731
		732	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		733	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		734
		735	if (svp)
		736	{
		737	sv_setsv (sv, svp ? svp : &PL_sv_undef);
		738	return 0;
		739	}
695	}	740	}
696		741
697	return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0;	742	return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0;
		743	}
		744
		745	static int
		746	coro_sigelem_clr (pTHX_ SV sv, MAGIC mg)
		747	{
		748	const char *s = MgPV_nolen_const (mg);
		749
		750	if (*s == '_')
		751	{
		752	SV **svp = 0;
		753
		754	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		755	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		756
		757	if (svp)
		758	{
		759	SV old = svp;
		760	*svp = 0;
		761	SvREFCNT_dec (old);
		762	return 0;
		763	}
		764	}
		765
		766	return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0;
698	}	767	}
699		768
700	static int	769	static int
701	coro_sigelem_set (pTHX_ SV sv, MAGIC mg)	770	coro_sigelem_set (pTHX_ SV sv, MAGIC mg)
702	{	771	{
…		…
712	if (svp)	781	if (svp)
713	{	782	{
714	SV old = svp;	783	SV old = svp;
715	*svp = newSVsv (sv);	784	*svp = newSVsv (sv);
716	SvREFCNT_dec (old);	785	SvREFCNT_dec (old);
717	return;	786	return 0;
718	}	787	}
719	}	788	}
720		789
721	return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0;	790	return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0;
722	}	791	}
…		…
749	GvSV (PL_defgv) = newSV (0);	818	GvSV (PL_defgv) = newSV (0);
750	GvAV (PL_defgv) = coro->args; coro->args = 0;	819	GvAV (PL_defgv) = coro->args; coro->args = 0;
751	GvSV (PL_errgv) = newSV (0);	820	GvSV (PL_errgv) = newSV (0);
752	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);	821	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
753	PL_rs = newSVsv (GvSV (irsgv));	822	PL_rs = newSVsv (GvSV (irsgv));
754	PL_defoutgv = (GV *)SvREFCNT_inc (stdoutgv);	823	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);
755		824
756	{	825	{
757	dSP;	826	dSP;
758	LOGOP myop;	827	LOGOP myop;
759		828
…		…
776	*/	845	*/
777	ENTER;	846	ENTER;
778	}	847	}
779		848
780	static void	849	static void
781	coro_destroy (pTHX_ struct coro *coro)	850	coro_destruct (pTHX_ struct coro *coro)
782	{	851	{
783	if (!IN_DESTRUCT)	852	if (!IN_DESTRUCT)
784	{	853	{
785	/* restore all saved variables and stuff */	854	/* restore all saved variables and stuff */
786	LEAVE_SCOPE (0);	855	LEAVE_SCOPE (0);
…		…
808	SvREFCNT_dec (PL_warnhook);	877	SvREFCNT_dec (PL_warnhook);
809		878
810	SvREFCNT_dec (coro->saved_deffh);	879	SvREFCNT_dec (coro->saved_deffh);
811	SvREFCNT_dec (coro->throw);	880	SvREFCNT_dec (coro->throw);
812		881
813	coro_destroy_stacks (aTHX);	882	coro_destruct_stacks (aTHX);
814	}	883	}
815		884
816	static void	885	static void
817	free_coro_mortal (pTHX)	886	free_coro_mortal (pTHX)
818	{	887	{
…		…
855	: cx->blk_gimme == G_SCALAR ? bot + 1	924	: cx->blk_gimme == G_SCALAR ? bot + 1
856	: bot;	925	: bot;
857		926
858	av_extend (av, top - bot);	927	av_extend (av, top - bot);
859	while (bot < top)	928	while (bot < top)
860	av_push (av, SvREFCNT_inc (*bot++));	929	av_push (av, SvREFCNT_inc_NN (*bot++));
861		930
862	PL_runops = RUNOPS_DEFAULT;	931	PL_runops = RUNOPS_DEFAULT;
863	ENTER;	932	ENTER;
864	SAVETMPS;	933	SAVETMPS;
865	EXTEND (SP, 3);	934	EXTEND (SP, 3);
…		…
1013	coro_cctx *cctx;	1082	coro_cctx *cctx;
1014	void *stack_start;	1083	void *stack_start;
1015	size_t stack_size;	1084	size_t stack_size;
1016		1085
1017	++cctx_count;	1086	++cctx_count;
1018
1019	Newz (0, cctx, 1, coro_cctx);	1087	Newz (0, cctx, 1, coro_cctx);
1020		1088
		1089	cctx->gen = cctx_gen;
		1090
1021	#if HAVE_MMAP	1091	#if HAVE_MMAP
1022	cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;	1092	cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;
1023	/* mmap supposedly does allocate-on-write for us */	1093	/* mmap supposedly does allocate-on-write for us */
1024	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);	1094	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);
1025		1095
1026	if (cctx->sptr != (void *)-1)	1096	if (cctx->sptr != (void *)-1)
1027	{	1097	{
…		…
1033	cctx->flags \|= CC_MAPPED;	1103	cctx->flags \|= CC_MAPPED;
1034	}	1104	}
1035	else	1105	else
1036	#endif	1106	#endif
1037	{	1107	{
1038	cctx->ssize = coro_stacksize * (long)sizeof (long);	1108	cctx->ssize = cctx_stacksize * (long)sizeof (long);
1039	New (0, cctx->sptr, coro_stacksize, long);	1109	New (0, cctx->sptr, cctx_stacksize, long);
1040		1110
1041	if (!cctx->sptr)	1111	if (!cctx->sptr)
1042	{	1112	{
1043	perror ("FATAL: unable to allocate stack for coroutine");	1113	perror ("FATAL: unable to allocate stack for coroutine");
1044	_exit (EXIT_FAILURE);	1114	_exit (EXIT_FAILURE);
…		…
1059	{	1129	{
1060	if (!cctx)	1130	if (!cctx)
1061	return;	1131	return;
1062		1132
1063	--cctx_count;	1133	--cctx_count;
		1134	coro_destroy (&cctx->cctx);
1064		1135
		1136	/* coro_transfer creates new, empty cctx's */
		1137	if (cctx->sptr)
		1138	{
1065	#if CORO_USE_VALGRIND	1139	#if CORO_USE_VALGRIND
1066	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);	1140	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
1067	#endif	1141	#endif
1068		1142
1069	#if HAVE_MMAP	1143	#if HAVE_MMAP
1070	if (cctx->flags & CC_MAPPED)	1144	if (cctx->flags & CC_MAPPED)
1071	munmap (cctx->sptr, cctx->ssize);	1145	munmap (cctx->sptr, cctx->ssize);
1072	else	1146	else
1073	#endif	1147	#endif
1074	Safefree (cctx->sptr);	1148	Safefree (cctx->sptr);
		1149	}
1075		1150
1076	Safefree (cctx);	1151	Safefree (cctx);
1077	}	1152	}
1078		1153
1079	/* wether this cctx should be destructed */	1154	/* wether this cctx should be destructed */
1080	#define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize \|\| ((cctx)->flags & CC_NOREUSE))	1155	#define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen \|\| ((cctx)->flags & CC_NOREUSE))
1081		1156
1082	static coro_cctx *	1157	static coro_cctx *
1083	cctx_get (pTHX)	1158	cctx_get (pTHX)
1084	{	1159	{
1085	while (expect_true (cctx_first))	1160	while (expect_true (cctx_first))
…		…
1098	}	1173	}
1099		1174
1100	static void	1175	static void
1101	cctx_put (coro_cctx *cctx)	1176	cctx_put (coro_cctx *cctx)
1102	{	1177	{
		1178	assert (("cctx_put called on non-initialised cctx", cctx->sptr));
		1179
1103	/* free another cctx if overlimit */	1180	/* free another cctx if overlimit */
1104	if (expect_false (cctx_idle >= MAX_IDLE_CCTX))	1181	if (expect_false (cctx_idle >= cctx_max_idle))
1105	{	1182	{
1106	coro_cctx *first = cctx_first;	1183	coro_cctx *first = cctx_first;
1107	cctx_first = first->next;	1184	cctx_first = first->next;
1108	--cctx_idle;	1185	--cctx_idle;
1109		1186
…		…
1130		1207
1131	if (expect_false (next->flags & CF_DESTROYED))	1208	if (expect_false (next->flags & CF_DESTROYED))
1132	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");	1209	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
1133		1210
1134	#if !PERL_VERSION_ATLEAST (5,10,0)	1211	#if !PERL_VERSION_ATLEAST (5,10,0)
1135	if (expect_false (PL_lex_state != LEX_NOTPARSING)	1212	if (expect_false (PL_lex_state != LEX_NOTPARSING))
1136	croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version");	1213	croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version");
1137	#endif	1214	#endif
1138	}	1215	}
1139	}	1216	}
1140		1217
1141	/* always use the TRANSFER macro */	1218	/* always use the TRANSFER macro */
1142	static void NOINLINE	1219	static void NOINLINE
1143	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)	1220	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)
1144	{	1221	{
1145	dSTACKLEVEL;	1222	dSTACKLEVEL;
1146	static volatile int has_throw;
1147		1223
1148	/* sometimes transfer is only called to set idle_sp */	1224	/* sometimes transfer is only called to set idle_sp */
1149	if (expect_false (!next))	1225	if (expect_false (!next))
1150	{	1226	{
1151	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1227	((coro_cctx *)prev)->idle_sp = STACKLEVEL;
1152	assert (((coro_cctx )prev)->idle_te = PL_top_env); / just for the side-effect when asserts are enabled */	1228	assert (((coro_cctx )prev)->idle_te = PL_top_env); / just for the side-effect when asserts are enabled */
1153	}	1229	}
1154	else if (expect_true (prev != next))	1230	else if (expect_true (prev != next))
1155	{	1231	{
		1232	static volatile int has_throw;
1156	coro_cctx *prev__cctx;	1233	coro_cctx *prev__cctx;
1157		1234
1158	if (expect_false (prev->flags & CF_NEW))	1235	if (expect_false (prev->flags & CF_NEW))
1159	{	1236	{
1160	/* create a new empty context */	1237	/* create a new empty/source context */
		1238	++cctx_count;
1161	Newz (0, prev->cctx, 1, coro_cctx);	1239	New (0, prev->cctx, 1, coro_cctx);
		1240	prev->cctx->sptr = 0;
		1241	coro_create (&prev->cctx->cctx, 0, 0, 0, 0);
		1242
1162	prev->flags &= ~CF_NEW;	1243	prev->flags &= ~CF_NEW;
1163	prev->flags \|= CF_RUNNING;	1244	prev->flags \|= CF_RUNNING;
1164	}	1245	}
1165		1246
1166	prev->flags &= ~CF_RUNNING;	1247	prev->flags &= ~CF_RUNNING;
…		…
1273	croak ("FATAL: tried to destroy currently running coroutine");	1354	croak ("FATAL: tried to destroy currently running coroutine");
1274		1355
1275	save_perl (aTHX_ &temp);	1356	save_perl (aTHX_ &temp);
1276	load_perl (aTHX_ coro);	1357	load_perl (aTHX_ coro);
1277		1358
1278	coro_destroy (aTHX_ coro);	1359	coro_destruct (aTHX_ coro);
1279		1360
1280	load_perl (aTHX_ &temp);	1361	load_perl (aTHX_ &temp);
1281		1362
1282	coro->slot = 0;	1363	coro->slot = 0;
1283	}	1364	}
…		…
1371	static int	1452	static int
1372	api_ready (SV *coro_sv)	1453	api_ready (SV *coro_sv)
1373	{	1454	{
1374	dTHX;	1455	dTHX;
1375	struct coro *coro;	1456	struct coro *coro;
		1457	SV *sv_hook;
		1458	void (*xs_hook)(void);
1376		1459
1377	if (SvROK (coro_sv))	1460	if (SvROK (coro_sv))
1378	coro_sv = SvRV (coro_sv);	1461	coro_sv = SvRV (coro_sv);
1379		1462
1380	coro = SvSTATE (coro_sv);	1463	coro = SvSTATE (coro_sv);
…		…
1383	return 0;	1466	return 0;
1384		1467
1385	coro->flags \|= CF_READY;	1468	coro->flags \|= CF_READY;
1386		1469
1387	LOCK;	1470	LOCK;
		1471
		1472	sv_hook = coro_nready ? 0 : coro_readyhook;
		1473	xs_hook = coro_nready ? 0 : coroapi.readyhook;
		1474
1388	coro_enq (aTHX_ SvREFCNT_inc (coro_sv));	1475	coro_enq (aTHX_ SvREFCNT_inc_NN (coro_sv));
1389	++coro_nready;	1476	++coro_nready;
		1477
1390	UNLOCK;	1478	UNLOCK;
		1479
		1480	if (sv_hook)
		1481	{
		1482	dSP;
		1483
		1484	ENTER;
		1485	SAVETMPS;
		1486
		1487	PUSHMARK (SP);
		1488	PUTBACK;
		1489	call_sv (sv_hook, G_DISCARD);
		1490	SPAGAIN;
		1491
		1492	FREETMPS;
		1493	LEAVE;
		1494	}
		1495
		1496	if (xs_hook)
		1497	xs_hook ();
1391		1498
1392	return 1;	1499	return 1;
1393	}	1500	}
1394		1501
1395	static int	1502	static int
…		…
1545	else	1652	else
1546	coro->slot->runops = RUNOPS_DEFAULT;	1653	coro->slot->runops = RUNOPS_DEFAULT;
1547	}	1654	}
1548	}	1655	}
1549		1656
		1657	#if 0
		1658	static int
		1659	coro_gensub_free (pTHX_ SV sv, MAGIC mg)
		1660	{
		1661	AV *padlist;
		1662	AV av = (AV )mg->mg_obj;
		1663
		1664	abort ();
		1665
		1666	return 0;
		1667	}
		1668
		1669	static MGVTBL coro_gensub_vtbl = {
		1670	0, 0, 0, 0,
		1671	coro_gensub_free
		1672	};
		1673	#endif
		1674
		1675	/*****************************************************************************/
		1676	/* PerlIO::cede */
		1677
		1678	typedef struct
		1679	{
		1680	PerlIOBuf base;
		1681	NV next, every;
		1682	} PerlIOCede;
		1683
		1684	static IV
		1685	PerlIOCede_pushed (pTHX_ PerlIO f, const char mode, SV arg, PerlIO_funcs tab)
		1686	{
		1687	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1688
		1689	self->every = SvCUR (arg) ? SvNV (arg) : 0.01;
		1690	self->next = nvtime () + self->every;
		1691
		1692	return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab);
		1693	}
		1694
		1695	static SV *
		1696	PerlIOCede_getarg (pTHX_ PerlIO f, CLONE_PARAMS param, int flags)
		1697	{
		1698	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1699
		1700	return newSVnv (self->every);
		1701	}
		1702
		1703	static IV
		1704	PerlIOCede_flush (pTHX_ PerlIO *f)
		1705	{
		1706	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1707	double now = nvtime ();
		1708
		1709	if (now >= self->next)
		1710	{
		1711	api_cede ();
		1712	self->next = now + self->every;
		1713	}
		1714
		1715	return PerlIOBuf_flush (aTHX_ f);
		1716	}
		1717
		1718	static PerlIO_funcs PerlIO_cede =
		1719	{
		1720	sizeof(PerlIO_funcs),
		1721	"cede",
		1722	sizeof(PerlIOCede),
		1723	PERLIO_K_DESTRUCT \| PERLIO_K_RAW,
		1724	PerlIOCede_pushed,
		1725	PerlIOBuf_popped,
		1726	PerlIOBuf_open,
		1727	PerlIOBase_binmode,
		1728	PerlIOCede_getarg,
		1729	PerlIOBase_fileno,
		1730	PerlIOBuf_dup,
		1731	PerlIOBuf_read,
		1732	PerlIOBuf_unread,
		1733	PerlIOBuf_write,
		1734	PerlIOBuf_seek,
		1735	PerlIOBuf_tell,
		1736	PerlIOBuf_close,
		1737	PerlIOCede_flush,
		1738	PerlIOBuf_fill,
		1739	PerlIOBase_eof,
		1740	PerlIOBase_error,
		1741	PerlIOBase_clearerr,
		1742	PerlIOBase_setlinebuf,
		1743	PerlIOBuf_get_base,
		1744	PerlIOBuf_bufsiz,
		1745	PerlIOBuf_get_ptr,
		1746	PerlIOBuf_get_cnt,
		1747	PerlIOBuf_set_ptrcnt,
		1748	};
		1749
		1750
1550	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	1751	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1551		1752
1552	PROTOTYPES: DISABLE	1753	PROTOTYPES: DISABLE
1553		1754
1554	BOOT:	1755	BOOT:
1555	{	1756	{
1556	#ifdef USE_ITHREADS	1757	#ifdef USE_ITHREADS
1557	MUTEX_INIT (&coro_mutex);	1758	MUTEX_INIT (&coro_lock);
1558	#endif	1759	#endif
1559	BOOT_PAGESIZE;	1760	BOOT_PAGESIZE;
1560		1761
1561	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);	1762	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
1562	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);	1763	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
1563		1764
1564	orig_sigelem_get = PL_vtbl_sigelem.svt_get;	1765	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;
1565	PL_vtbl_sigelem.svt_get = coro_sigelem_get;	1766	orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;
1566	orig_sigelem_set = PL_vtbl_sigelem.svt_set;	1767	orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr;
1567	PL_vtbl_sigelem.svt_set = coro_sigelem_set;
1568		1768
1569	hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);	1769	hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);
1570	rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));	1770	rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));
1571	rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));	1771	rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));
1572		1772
…		…
1581	main_top_env = PL_top_env;	1781	main_top_env = PL_top_env;
1582		1782
1583	while (main_top_env->je_prev)	1783	while (main_top_env->je_prev)
1584	main_top_env = main_top_env->je_prev;	1784	main_top_env = main_top_env->je_prev;
1585		1785
1586	coroapi.ver = CORO_API_VERSION;	1786	coroapi.ver = CORO_API_VERSION;
1587	coroapi.rev = CORO_API_REVISION;	1787	coroapi.rev = CORO_API_REVISION;
1588	coroapi.transfer = api_transfer;	1788	coroapi.transfer = api_transfer;
		1789
		1790	{
		1791	SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0);
		1792
		1793	if (!svp) croak ("Time::HiRes is required");
		1794	if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");
		1795
		1796	nvtime = INT2PTR (double ()(), SvIV (svp));
		1797	}
1589		1798
1590	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	1799	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
1591	}	1800	}
1592		1801
1593	SV *	1802	SV *
…		…
1641	ta.next = 0;	1850	ta.next = 0;
1642	break;	1851	break;
1643		1852
1644	case 1:	1853	case 1:
1645	if (items != 2)	1854	if (items != 2)
1646	croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items);	1855	croak ("Coro::State::transfer (prev, next) expects two arguments, not %d", items);
1647		1856
1648	prepare_transfer (aTHX_ &ta, ST (0), ST (1));	1857	prepare_transfer (aTHX_ &ta, ST (0), ST (1));
1649	break;	1858	break;
1650		1859
1651	case 2:	1860	case 2:
…		…
1677	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));	1886	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));
1678	OUTPUT:	1887	OUTPUT:
1679	RETVAL	1888	RETVAL
1680		1889
1681	void	1890	void
1682	_exit (code)	1891	_exit (int code)
1683	int code
1684	PROTOTYPE: $	1892	PROTOTYPE: $
1685	CODE:	1893	CODE:
1686	_exit (code);	1894	_exit (code);
1687		1895
1688	int	1896	int
1689	cctx_stacksize (int new_stacksize = 0)	1897	cctx_stacksize (int new_stacksize = 0)
1690	CODE:	1898	CODE:
1691	RETVAL = coro_stacksize;	1899	RETVAL = cctx_stacksize;
1692	if (new_stacksize)	1900	if (new_stacksize)
		1901	{
1693	coro_stacksize = new_stacksize;	1902	cctx_stacksize = new_stacksize;
		1903	++cctx_gen;
		1904	}
		1905	OUTPUT:
		1906	RETVAL
		1907
		1908	int
		1909	cctx_max_idle (int max_idle = 0)
		1910	CODE:
		1911	RETVAL = cctx_max_idle;
		1912	if (max_idle > 1)
		1913	cctx_max_idle = max_idle;
1694	OUTPUT:	1914	OUTPUT:
1695	RETVAL	1915	RETVAL
1696		1916
1697	int	1917	int
1698	cctx_count ()	1918	cctx_count ()
…		…
1722	call (Coro::State coro, SV *coderef)	1942	call (Coro::State coro, SV *coderef)
1723	ALIAS:	1943	ALIAS:
1724	eval = 1	1944	eval = 1
1725	CODE:	1945	CODE:
1726	{	1946	{
1727	if (coro->mainstack)	1947	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))
1728	{	1948	{
1729	struct coro temp;	1949	struct coro temp;
1730		1950
1731	if (!(coro->flags & CF_RUNNING))	1951	if (!(coro->flags & CF_RUNNING))
1732	{	1952	{
…		…
1779		1999
1780	void	2000	void
1781	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)	2001	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)
1782		2002
1783	SV *	2003	SV *
1784	has_stack (Coro::State coro)	2004	has_cctx (Coro::State coro)
1785	PROTOTYPE: $	2005	PROTOTYPE: $
1786	CODE:	2006	CODE:
1787	RETVAL = boolSV (!!coro->cctx);	2007	RETVAL = boolSV (!!coro->cctx);
1788	OUTPUT:	2008	OUTPUT:
1789	RETVAL	2009	RETVAL
…		…
1794	CODE:	2014	CODE:
1795	RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL;	2015	RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL;
1796	OUTPUT:	2016	OUTPUT:
1797	RETVAL	2017	RETVAL
1798		2018
1799	IV	2019	UV
1800	rss (Coro::State coro)	2020	rss (Coro::State coro)
1801	PROTOTYPE: $	2021	PROTOTYPE: $
1802	ALIAS:	2022	ALIAS:
1803	usecount = 1	2023	usecount = 1
1804	CODE:	2024	CODE:
…		…
1814	force_cctx ()	2034	force_cctx ()
1815	CODE:	2035	CODE:
1816	struct coro *coro = SvSTATE (coro_current);	2036	struct coro *coro = SvSTATE (coro_current);
1817	coro->cctx->idle_sp = 0;	2037	coro->cctx->idle_sp = 0;
1818		2038
1819	MODULE = Coro::State PACKAGE = Coro
1820
1821	BOOT:
1822	{
1823	int i;
1824
1825	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
1826	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
1827	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
1828
1829	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);
1830	SvREADONLY_on (coro_current);
1831
1832	coro_stash = gv_stashpv ("Coro", TRUE);
1833
1834	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
1835	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
1836	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
1837	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
1838	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));
1839	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));
1840
1841	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
1842	coro_ready[i] = newAV ();
1843
1844	{
1845	SV *sv = perl_get_sv ("Coro::API", TRUE);
1846	perl_get_sv ("Coro::API", TRUE); /* silence 5.10 warning */
1847
1848	coroapi.schedule = api_schedule;
1849	coroapi.cede = api_cede;
1850	coroapi.cede_notself = api_cede_notself;
1851	coroapi.ready = api_ready;
1852	coroapi.is_ready = api_is_ready;
1853	coroapi.nready = &coro_nready;
1854	coroapi.current = coro_current;
1855
1856	GCoroAPI = &coroapi;
1857	sv_setiv (sv, (IV)&coroapi);
1858	SvREADONLY_on (sv);
1859	}
1860	}
1861
1862	void
1863	_set_current (SV *current)
1864	PROTOTYPE: $
1865	CODE:
1866	SvREFCNT_dec (SvRV (coro_current));
1867	SvRV_set (coro_current, SvREFCNT_inc (SvRV (current)));
1868
1869	int
1870	prio (Coro::State coro, int newprio = 0)
1871	ALIAS:
1872	nice = 1
1873	CODE:
1874	{
1875	RETVAL = coro->prio;
1876
1877	if (items > 1)
1878	{
1879	if (ix)
1880	newprio = coro->prio - newprio;
1881
1882	if (newprio < PRIO_MIN) newprio = PRIO_MIN;
1883	if (newprio > PRIO_MAX) newprio = PRIO_MAX;
1884
1885	coro->prio = newprio;
1886	}
1887	}
1888	OUTPUT:
1889	RETVAL
1890
1891	SV *
1892	ready (SV *self)
1893	PROTOTYPE: $
1894	CODE:
1895	RETVAL = boolSV (api_ready (self));
1896	OUTPUT:
1897	RETVAL
1898
1899	int
1900	nready (...)
1901	PROTOTYPE:
1902	CODE:
1903	RETVAL = coro_nready;
1904	OUTPUT:
1905	RETVAL
1906
1907	void
1908	throw (Coro::State self, SV *throw = &PL_sv_undef)
1909	PROTOTYPE: $;$
1910	CODE:
1911	SvREFCNT_dec (self->throw);
1912	self->throw = SvOK (throw) ? newSVsv (throw) : 0;
1913
1914	void	2039	void
1915	swap_defsv (Coro::State self)	2040	swap_defsv (Coro::State self)
1916	PROTOTYPE: $	2041	PROTOTYPE: $
1917	ALIAS:	2042	ALIAS:
1918	swap_defav = 1	2043	swap_defav = 1
…		…
1925	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;	2050	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;
1926		2051
1927	SV tmp = src; src = dst; *dst = tmp;	2052	SV tmp = src; src = dst; *dst = tmp;
1928	}	2053	}
1929		2054
		2055	MODULE = Coro::State PACKAGE = Coro
		2056
		2057	BOOT:
		2058	{
		2059	int i;
		2060
		2061	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
		2062	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
		2063	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
		2064
		2065	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);
		2066	SvREADONLY_on (coro_current);
		2067
		2068	coro_stash = gv_stashpv ("Coro", TRUE);
		2069
		2070	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
		2071	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
		2072	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
		2073	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
		2074	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));
		2075	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));
		2076
		2077	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
		2078	coro_ready[i] = newAV ();
		2079
		2080	{
		2081	SV *sv = perl_get_sv ("Coro::API", TRUE);
		2082	perl_get_sv ("Coro::API", TRUE); /* silence 5.10 warning */
		2083
		2084	coroapi.schedule = api_schedule;
		2085	coroapi.cede = api_cede;
		2086	coroapi.cede_notself = api_cede_notself;
		2087	coroapi.ready = api_ready;
		2088	coroapi.is_ready = api_is_ready;
		2089	coroapi.nready = &coro_nready;
		2090	coroapi.current = coro_current;
		2091
		2092	GCoroAPI = &coroapi;
		2093	sv_setiv (sv, (IV)&coroapi);
		2094	SvREADONLY_on (sv);
		2095	}
		2096	}
		2097
		2098	void
		2099	_set_current (SV *current)
		2100	PROTOTYPE: $
		2101	CODE:
		2102	SvREFCNT_dec (SvRV (coro_current));
		2103	SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));
		2104
		2105	void
		2106	_set_readyhook (SV *hook)
		2107	PROTOTYPE: $
		2108	CODE:
		2109	LOCK;
		2110	SvREFCNT_dec (coro_readyhook);
		2111	coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;
		2112	UNLOCK;
		2113
		2114	int
		2115	prio (Coro::State coro, int newprio = 0)
		2116	ALIAS:
		2117	nice = 1
		2118	CODE:
		2119	{
		2120	RETVAL = coro->prio;
		2121
		2122	if (items > 1)
		2123	{
		2124	if (ix)
		2125	newprio = coro->prio - newprio;
		2126
		2127	if (newprio < PRIO_MIN) newprio = PRIO_MIN;
		2128	if (newprio > PRIO_MAX) newprio = PRIO_MAX;
		2129
		2130	coro->prio = newprio;
		2131	}
		2132	}
		2133	OUTPUT:
		2134	RETVAL
		2135
		2136	SV *
		2137	ready (SV *self)
		2138	PROTOTYPE: $
		2139	CODE:
		2140	RETVAL = boolSV (api_ready (self));
		2141	OUTPUT:
		2142	RETVAL
		2143
		2144	int
		2145	nready (...)
		2146	PROTOTYPE:
		2147	CODE:
		2148	RETVAL = coro_nready;
		2149	OUTPUT:
		2150	RETVAL
		2151
		2152	void
		2153	throw (Coro::State self, SV *throw = &PL_sv_undef)
		2154	PROTOTYPE: $;$
		2155	CODE:
		2156	SvREFCNT_dec (self->throw);
		2157	self->throw = SvOK (throw) ? newSVsv (throw) : 0;
		2158
1930	# for async_pool speedup	2159	# for async_pool speedup
1931	void	2160	void
1932	_pool_1 (SV *cb)	2161	_pool_1 (SV *cb)
1933	CODE:	2162	CODE:
1934	{	2163	{
…		…
1939	AV *invoke_av;	2168	AV *invoke_av;
1940	int i, len;	2169	int i, len;
1941		2170
1942	if (!invoke)	2171	if (!invoke)
1943	{	2172	{
1944	SvREFCNT_dec (PL_diehook); PL_diehook = 0;	2173	SV *old = PL_diehook;
		2174	PL_diehook = 0;
		2175	SvREFCNT_dec (old);
1945	croak ("\3async_pool terminate\2\n");	2176	croak ("\3async_pool terminate\2\n");
1946	}	2177	}
1947		2178
1948	SvREFCNT_dec (coro->saved_deffh);	2179	SvREFCNT_dec (coro->saved_deffh);
1949	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);	2180	coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv);
1950		2181
1951	hv_store (hv, "desc", sizeof ("desc") - 1,	2182	hv_store (hv, "desc", sizeof ("desc") - 1,
1952	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);	2183	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
1953		2184
1954	invoke_av = (AV *)SvRV (invoke);	2185	invoke_av = (AV *)SvRV (invoke);
…		…
1958		2189
1959	if (len > 0)	2190	if (len > 0)
1960	{	2191	{
1961	av_fill (defav, len - 1);	2192	av_fill (defav, len - 1);
1962	for (i = 0; i < len; ++i)	2193	for (i = 0; i < len; ++i)
1963	av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1]));	2194	av_store (defav, i, SvREFCNT_inc_NN (AvARRAY (invoke_av)[i + 1]));
1964	}	2195	}
1965		2196
1966	SvREFCNT_dec (invoke);	2197	SvREFCNT_dec (invoke);
1967	}	2198	}
1968		2199
…		…
1975	sv_setsv (cb, &PL_sv_undef);	2206	sv_setsv (cb, &PL_sv_undef);
1976		2207
1977	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;	2208	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;
1978	coro->saved_deffh = 0;	2209	coro->saved_deffh = 0;
1979		2210
1980	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)	2211	if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss)
1981	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))	2212	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
1982	{	2213	{
1983	SvREFCNT_dec (PL_diehook); PL_diehook = 0;	2214	SV *old = PL_diehook;
		2215	PL_diehook = 0;
		2216	SvREFCNT_dec (old);
1984	croak ("\3async_pool terminate\2\n");	2217	croak ("\3async_pool terminate\2\n");
1985	}	2218	}
1986		2219
1987	av_clear (GvAV (PL_defgv));	2220	av_clear (GvAV (PL_defgv));
1988	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,	2221	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
…		…
1994	api_trace (coro_current, 0);	2227	api_trace (coro_current, 0);
1995		2228
1996	av_push (av_async_pool, newSVsv (coro_current));	2229	av_push (av_async_pool, newSVsv (coro_current));
1997	}	2230	}
1998		2231
		2232	#if 0
		2233
		2234	void
		2235	_generator_call (...)
		2236	PROTOTYPE: @
		2237	PPCODE:
		2238	fprintf (stderr, "call %p\n", CvXSUBANY(cv).any_ptr);
		2239	xxxx
		2240	abort ();
		2241
		2242	SV *
		2243	gensub (SV *sub, ...)
		2244	PROTOTYPE: &;@
		2245	CODE:
		2246	{
		2247	struct coro *coro;
		2248	MAGIC *mg;
		2249	CV *xcv;
		2250	CV ncv = (CV )newSV_type (SVt_PVCV);
		2251	int i;
		2252
		2253	CvGV (ncv) = CvGV (cv);
		2254	CvFILE (ncv) = CvFILE (cv);
		2255
		2256	Newz (0, coro, 1, struct coro);
		2257	coro->args = newAV ();
		2258	coro->flags = CF_NEW;
		2259
		2260	av_extend (coro->args, items - 1);
		2261	for (i = 1; i < items; i++)
		2262	av_push (coro->args, newSVsv (ST (i)));
		2263
		2264	CvISXSUB_on (ncv);
		2265	CvXSUBANY (ncv).any_ptr = (void *)coro;
		2266
		2267	xcv = GvCV (gv_fetchpv ("Coro::_generator_call", 0, SVt_PVCV));
		2268
		2269	CvXSUB (ncv) = CvXSUB (xcv);
		2270	CvANON_on (ncv);
		2271
		2272	mg = sv_magicext ((SV )ncv, 0, CORO_MAGIC_type_state, &coro_gensub_vtbl, (char )coro, 0);
		2273	RETVAL = newRV_noinc ((SV *)ncv);
		2274	}
		2275	OUTPUT:
		2276	RETVAL
		2277
		2278	#endif
		2279
1999		2280
2000	MODULE = Coro::State PACKAGE = Coro::AIO	2281	MODULE = Coro::State PACKAGE = Coro::AIO
2001		2282
2002	SV *	2283	void
2003	_get_state ()	2284	_get_state (SV *self)
2004	CODE:	2285	PPCODE:
2005	{	2286	{
2006	struct io_state *data;	2287	AV *defav = GvAV (PL_defgv);
2007		2288	AV *av = newAV ();
		2289	int i;
2008	RETVAL = newSV (sizeof (struct io_state));	2290	SV *data_sv = newSV (sizeof (struct io_state));
2009	data = (struct io_state *)SvPVX (RETVAL);	2291	struct io_state data = (struct io_state )SvPVX (data_sv);
2010	SvCUR_set (RETVAL, sizeof (struct io_state));	2292	SvCUR_set (data_sv, sizeof (struct io_state));
2011	SvPOK_only (RETVAL);	2293	SvPOK_only (data_sv);
2012		2294
2013	data->errorno = errno;	2295	data->errorno = errno;
2014	data->laststype = PL_laststype;	2296	data->laststype = PL_laststype;
2015	data->laststatval = PL_laststatval;	2297	data->laststatval = PL_laststatval;
2016	data->statcache = PL_statcache;	2298	data->statcache = PL_statcache;
		2299
		2300	av_extend (av, AvFILLp (defav) + 1 + 1);
		2301
		2302	for (i = 0; i <= AvFILLp (defav); ++i)
		2303	av_push (av, SvREFCNT_inc_NN (AvARRAY (defav)[i]));
		2304
		2305	av_push (av, data_sv);
		2306
		2307	XPUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		2308
		2309	api_ready (self);
2017	}	2310	}
2018	OUTPUT:
2019	RETVAL
2020		2311
2021	void	2312	void
2022	_set_state (char *data_)	2313	_set_state (SV *state)
2023	PROTOTYPE: $	2314	PROTOTYPE: $
2024	CODE:	2315	PPCODE:
2025	{	2316	{
2026	struct io_state data = (void )data_;	2317	AV av = (AV )SvRV (state);
		2318	struct io_state data = (struct io_state )SvPVX (AvARRAY (av)[AvFILLp (av)]);
		2319	int i;
2027		2320
2028	errno = data->errorno;	2321	errno = data->errorno;
2029	PL_laststype = data->laststype;	2322	PL_laststype = data->laststype;
2030	PL_laststatval = data->laststatval;	2323	PL_laststatval = data->laststatval;
2031	PL_statcache = data->statcache;	2324	PL_statcache = data->statcache;
2032	}
2033		2325
		2326	EXTEND (SP, AvFILLp (av));
		2327	for (i = 0; i < AvFILLp (av); ++i)
		2328	PUSHs (sv_2mortal (SvREFCNT_inc_NN (AvARRAY (av)[i])));
		2329	}
		2330
		2331
		2332	MODULE = Coro::State PACKAGE = Coro::AnyEvent
		2333
		2334	BOOT:
		2335	sv_activity = coro_get_sv (aTHX_ "Coro::AnyEvent::ACTIVITY", TRUE);
		2336
		2337	SV *
		2338	_schedule (...)
		2339	PROTOTYPE: @
		2340	CODE:
		2341	{
		2342	static int incede;
		2343
		2344	api_cede_notself ();
		2345
		2346	++incede;
		2347	while (coro_nready >= incede && api_cede ())
		2348	;
		2349
		2350	sv_setsv (sv_activity, &PL_sv_undef);
		2351	if (coro_nready >= incede)
		2352	{
		2353	PUSHMARK (SP);
		2354	PUTBACK;
		2355	call_pv ("Coro::AnyEvent::_activity", G_DISCARD \| G_EVAL);
		2356	SPAGAIN;
		2357	}
		2358
		2359	--incede;
		2360	}
		2361
		2362
		2363	MODULE = Coro::State PACKAGE = PerlIO::cede
		2364
		2365	BOOT:
		2366	PerlIO_define_layer (aTHX_ &PerlIO_cede);

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Comparing Coro/Coro/State.xs (file contents): Revision 1.229 by root, Thu Apr 10 07:45:33 2008 UTC vs. Revision 1.255 by root, Sat Nov 8 04:52:01 2008 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.229 by root, Thu Apr 10 07:45:33 2008 UTC vs.
Revision 1.255 by root, Sat Nov 8 04:52:01 2008 UTC