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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.231 by root, Thu Apr 24 10:31:59 2008 UTC vs.
Revision 1.257 by root, Sun Nov 9 15:35:44 2008 UTC

…		…
4	#define PERL_EXT	4	#define PERL_EXT
5		5
6	#include "EXTERN.h"	6	#include "EXTERN.h"
7	#include "perl.h"	7	#include "perl.h"
8	#include "XSUB.h"	8	#include "XSUB.h"
		9	#include "perliol.h"
9		10
10	#include "patchlevel.h"	11	#include "patchlevel.h"
11		12
12	#include <stdio.h>	13	#include <stdio.h>
13	#include <errno.h>	14	#include <errno.h>
…		…
15		16
16	#ifdef WIN32	17	#ifdef WIN32
17	# undef setjmp	18	# undef setjmp
18	# undef longjmp	19	# undef longjmp
19	# undef _exit	20	# undef _exit
20	#include <setjmp.h>	21	# define setjmp _setjmp // deep magic, don't ask
21	#else	22	#else
22	# include <inttypes.h> /* most portable stdint.h */	23	# include <inttypes.h> /* most portable stdint.h */
23	#endif	24	#endif
24		25
25	#ifdef HAVE_MMAP	26	#ifdef HAVE_MMAP
…		…
51	#else	52	#else
52	# define REGISTER_STACK(cctx,start,end)	53	# define REGISTER_STACK(cctx,start,end)
53	#endif	54	#endif
54		55
55	/* the maximum number of idle cctx that will be pooled */	56	/* the maximum number of idle cctx that will be pooled */
56	#define MAX_IDLE_CCTX 8	57	static int cctx_max_idle = 4;
57		58
58	#define PERL_VERSION_ATLEAST(a,b,c) \	59	#define PERL_VERSION_ATLEAST(a,b,c) \
59	(PERL_REVISION > (a) \	60	(PERL_REVISION > (a) \
60	\|\| (PERL_REVISION == (a) \	61	\|\| (PERL_REVISION == (a) \
61	&& (PERL_VERSION > (b) \	62	&& (PERL_VERSION > (b) \
…		…
80	# ifndef IS_PADCONST	81	# ifndef IS_PADCONST
81	# define IS_PADCONST(v) 0	82	# define IS_PADCONST(v) 0
82	# endif	83	# endif
83	#endif	84	#endif
84		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
85	/* 5.8.8 */	96	/* 5.8.8 */
86	#ifndef GV_NOTQUAL	97	#ifndef GV_NOTQUAL
87	# define GV_NOTQUAL 0	98	# define GV_NOTQUAL 0
88	#endif	99	#endif
89	#ifndef newSV	100	#ifndef newSV
90	# define newSV(l) NEWSV(0,l)	101	# define newSV(l) NEWSV(0,l)
91	#endif
92
93	/* 5.11 */
94	#ifndef CxHASARGS
95	# define CxHASARGS(cx) (cx)->blk_sub.hasargs
96	#endif	102	#endif
97		103
98	/* 5.8.7 */	104	/* 5.8.7 */
99	#ifndef SvRV_set	105	#ifndef SvRV_set
100	# define SvRV_set(s,v) SvRV(s) = (v)	106	# define SvRV_set(s,v) SvRV(s) = (v)
…		…
136	#define NOINLINE attribute ((noinline))	142	#define NOINLINE attribute ((noinline))
137		143
138	#include "CoroAPI.h"	144	#include "CoroAPI.h"
139		145
140	#ifdef USE_ITHREADS	146	#ifdef USE_ITHREADS
		147
141	static perl_mutex coro_mutex;	148	static perl_mutex coro_lock;
142	# define LOCK do { MUTEX_LOCK (&coro_mutex); } while (0)	149	# define LOCK do { MUTEX_LOCK (&coro_lock); } while (0)
143	# 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
144	#else	155	#else
		156
145	# define LOCK (void)0	157	# define LOCK (void)0
146	# define UNLOCK (void)0	158	# define UNLOCK (void)0
		159
147	#endif	160	#endif
		161
		162	# undef LOCK
		163	# define LOCK (void)0
		164	# undef UNLOCK
		165	# define UNLOCK (void)0
148		166
149	/* helper storage struct for Coro::AIO */	167	/* helper storage struct for Coro::AIO */
150	struct io_state	168	struct io_state
151	{	169	{
		170	AV *res;
152	int errorno;	171	int errorno;
153	I32 laststype;	172	I32 laststype; /* U16 in 5.10.0 */
154	int laststatval;	173	int laststatval;
155	Stat_t statcache;	174	Stat_t statcache;
156	};	175	};
157		176
		177	static double (nvtime)(); / so why doesn't it take void? */
		178
		179	static U32 cctx_gen;
158	static size_t coro_stacksize = CORO_STACKSIZE;	180	static size_t cctx_stacksize = CORO_STACKSIZE;
159	static struct CoroAPI coroapi;	181	static struct CoroAPI coroapi;
160	static AV main_mainstack; / used to differentiate between $main and others */	182	static AV main_mainstack; / used to differentiate between $main and others */
161	static JMPENV *main_top_env;	183	static JMPENV *main_top_env;
162	static HV coro_state_stash, coro_stash;	184	static HV coro_state_stash, coro_stash;
163	static volatile SV coro_mortal; / will be freed after next transfer */	185	static volatile SV coro_mortal; / will be freed/thrown after next transfer */
164		186
165	static GV irsgv; / $/ */	187	static GV irsgv; / $/ */
166	static GV stdoutgv; / STDOUT /	188	static GV stdoutgv; / STDOUT /
167	static SV *rv_diehook;	189	static SV *rv_diehook;
168	static SV *rv_warnhook;	190	static SV *rv_warnhook;
…		…
170		192
171	/* async_pool helper stuff */	193	/* async_pool helper stuff */
172	static SV *sv_pool_rss;	194	static SV *sv_pool_rss;
173	static SV *sv_pool_size;	195	static SV *sv_pool_size;
174	static AV *av_async_pool;	196	static AV *av_async_pool;
		197
		198	/* Coro::AnyEvent */
		199	static SV *sv_activity;
175		200
176	static struct coro_cctx *cctx_first;	201	static struct coro_cctx *cctx_first;
177	static int cctx_count, cctx_idle;	202	static int cctx_count, cctx_idle;
178		203
179	enum {	204	enum {
…		…
197	void idle_sp; / sp of top-level transfer/schedule/cede call */	222	void idle_sp; / sp of top-level transfer/schedule/cede call */
198	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 */
199	JMPENV *top_env;	224	JMPENV *top_env;
200	coro_context cctx;	225	coro_context cctx;
201		226
		227	U32 gen;
202	#if CORO_USE_VALGRIND	228	#if CORO_USE_VALGRIND
203	int valgrind_id;	229	int valgrind_id;
204	#endif	230	#endif
205	unsigned char flags;	231	unsigned char flags;
206	} coro_cctx;	232	} coro_cctx;
…		…
265	#define PRIO_IDLE -3	291	#define PRIO_IDLE -3
266	#define PRIO_MIN -4	292	#define PRIO_MIN -4
267		293
268	/* for Coro.pm */	294	/* for Coro.pm */
269	static SV *coro_current;	295	static SV *coro_current;
		296	static SV *coro_readyhook;
270	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];	297	static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1];
271	static int coro_nready;	298	static int coro_nready;
272	static struct coro *coro_first;	299	static struct coro *coro_first;
273		300
274	/ lowlevel stuff ********************************************************/	301	/ lowlevel stuff ********************************************************/
275		302
…		…
317	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);	344	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
318	#endif	345	#endif
319	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];	346	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
320	--AvFILLp (padlist);	347	--AvFILLp (padlist);
321		348
322	av_store (newpadlist, 0, SvREFCNT_inc (*av_fetch (padlist, 0, FALSE)));	349	av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE)));
323	av_store (newpadlist, 1, (SV *)newpad);	350	av_store (newpadlist, 1, (SV *)newpad);
324		351
325	return newpadlist;	352	return newpadlist;
326	}	353	}
327		354
…		…
357		384
358	/* casting is fun. */	385	/* casting is fun. */
359	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))	386	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
360	free_padlist (aTHX_ padlist);	387	free_padlist (aTHX_ padlist);
361		388
		389	SvREFCNT_dec (av); /* sv_magicext increased the refcount */
		390
362	return 0;	391	return 0;
363	}	392	}
364		393
365	#define CORO_MAGIC_type_cv PERL_MAGIC_ext	394	#define CORO_MAGIC_type_cv PERL_MAGIC_ext
366	#define CORO_MAGIC_type_state PERL_MAGIC_ext	395	#define CORO_MAGIC_type_state PERL_MAGIC_ext
…		…
368	static MGVTBL coro_cv_vtbl = {	397	static MGVTBL coro_cv_vtbl = {
369	0, 0, 0, 0,	398	0, 0, 0, 0,
370	coro_cv_free	399	coro_cv_free
371	};	400	};
372		401
373	#define CORO_MAGIC(sv,type) \	402	#define CORO_MAGIC(sv, type) \
374	SvMAGIC (sv) \	403	SvMAGIC (sv) \
375	? SvMAGIC (sv)->mg_type == type \	404	? SvMAGIC (sv)->mg_type == type \
376	? SvMAGIC (sv) \	405	? SvMAGIC (sv) \
377	: mg_find (sv, type) \	406	: mg_find (sv, type) \
378	: 0	407	: 0
379		408
380	#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)
381	#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)
382		411
383	static struct coro *	412	static struct coro *
…		…
416	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))	445	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))
417	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];	446	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
418	else	447	else
419	{	448	{
420	#if CORO_PREFER_PERL_FUNCTIONS	449	#if CORO_PREFER_PERL_FUNCTIONS
421	/* this is probably cleaner, but also slower? */	450	/* this is probably cleaner? but also slower! */
		451	/* in practise, it seems to be less stable */
422	CV *cp = Perl_cv_clone (cv);	452	CV *cp = Perl_cv_clone (cv);
423	CvPADLIST (cv) = CvPADLIST (cp);	453	CvPADLIST (cv) = CvPADLIST (cp);
424	CvPADLIST (cp) = 0;	454	CvPADLIST (cp) = 0;
425	SvREFCNT_dec (cp);	455	SvREFCNT_dec (cp);
426	#else	456	#else
…		…
510		540
511	if (expect_true (CvDEPTH (cv)))	541	if (expect_true (CvDEPTH (cv)))
512	{	542	{
513	EXTEND (SP, 3);	543	EXTEND (SP, 3);
514	PUSHs ((SV *)CvPADLIST (cv));	544	PUSHs ((SV *)CvPADLIST (cv));
515	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));	545	PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv)));
516	PUSHs ((SV *)cv);	546	PUSHs ((SV *)cv);
517		547
518	CvDEPTH (cv) = 0;	548	CvDEPTH (cv) = 0;
519	get_padlist (aTHX_ cv);	549	get_padlist (aTHX_ cv);
520	}	550	}
…		…
612		642
613	/*	643	/*
614	* destroy the stacks, the callchain etc...	644	* destroy the stacks, the callchain etc...
615	*/	645	*/
616	static void	646	static void
617	coro_destroy_stacks (pTHX)	647	coro_destruct_stacks (pTHX)
618	{	648	{
619	while (PL_curstackinfo->si_next)	649	while (PL_curstackinfo->si_next)
620	PL_curstackinfo = PL_curstackinfo->si_next;	650	PL_curstackinfo = PL_curstackinfo->si_next;
621		651
622	while (PL_curstackinfo)	652	while (PL_curstackinfo)
…		…
659	#undef VAR	689	#undef VAR
660	}	690	}
661	else	691	else
662	slot = coro->slot;	692	slot = coro->slot;
663		693
		694	if (slot)
		695	{
664	rss += sizeof (slot->curstackinfo);	696	rss += sizeof (slot->curstackinfo);
665	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);	697	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
666	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 *);
667	rss += slot->tmps_max * sizeof (SV *);	699	rss += slot->tmps_max * sizeof (SV *);
668	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);	700	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
669	rss += slot->scopestack_max * sizeof (I32);	701	rss += slot->scopestack_max * sizeof (I32);
670	rss += slot->savestack_max * sizeof (ANY);	702	rss += slot->savestack_max * sizeof (ANY);
671		703
672	#if !PERL_VERSION_ATLEAST (5,10,0)	704	#if !PERL_VERSION_ATLEAST (5,10,0)
673	rss += slot->retstack_max * sizeof (OP *);	705	rss += slot->retstack_max * sizeof (OP *);
674	#endif	706	#endif
		707	}
675	}	708	}
676		709
677	return rss;	710	return rss;
678	}	711	}
679		712
680	/ coroutine stack handling **********************************************/	713	/ coroutine stack handling **********************************************/
681		714
682	static int (orig_sigelem_get) (pTHX_ SV sv, MAGIC *mg);	715	static int (orig_sigelem_get) (pTHX_ SV sv, MAGIC *mg);
683	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
684		725
685	/*	726	/*
686	* This overrides the default magic get method of %SIG elements.	727	* This overrides the default magic get method of %SIG elements.
687	* 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
688	* 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
…		…
696	{	737	{
697	const char *s = MgPV_nolen_const (mg);	738	const char *s = MgPV_nolen_const (mg);
698		739
699	if (*s == '_')	740	if (*s == '_')
700	{	741	{
701	if (strEQ (s, "__DIE__" ) && PL_diehook ) return sv_setsv (sv, PL_diehook ), 0;	742	SV **svp = 0;
702	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	}
703	}	752	}
704		753
705	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;
706	}	779	}
707		780
708	static int	781	static int
709	coro_sigelem_set (pTHX_ SV sv, MAGIC mg)	782	coro_sigelem_set (pTHX_ SV sv, MAGIC mg)
710	{	783	{
…		…
757	GvSV (PL_defgv) = newSV (0);	830	GvSV (PL_defgv) = newSV (0);
758	GvAV (PL_defgv) = coro->args; coro->args = 0;	831	GvAV (PL_defgv) = coro->args; coro->args = 0;
759	GvSV (PL_errgv) = newSV (0);	832	GvSV (PL_errgv) = newSV (0);
760	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);
761	PL_rs = newSVsv (GvSV (irsgv));	834	PL_rs = newSVsv (GvSV (irsgv));
762	PL_defoutgv = (GV *)SvREFCNT_inc (stdoutgv);	835	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);
763		836
764	{	837	{
765	dSP;	838	dSP;
766	LOGOP myop;	839	LOGOP myop;
767		840
…		…
784	*/	857	*/
785	ENTER;	858	ENTER;
786	}	859	}
787		860
788	static void	861	static void
789	coro_destroy (pTHX_ struct coro *coro)	862	coro_destruct (pTHX_ struct coro *coro)
790	{	863	{
791	if (!IN_DESTRUCT)	864	if (!IN_DESTRUCT)
792	{	865	{
793	/* restore all saved variables and stuff */	866	/* restore all saved variables and stuff */
794	LEAVE_SCOPE (0);	867	LEAVE_SCOPE (0);
…		…
816	SvREFCNT_dec (PL_warnhook);	889	SvREFCNT_dec (PL_warnhook);
817		890
818	SvREFCNT_dec (coro->saved_deffh);	891	SvREFCNT_dec (coro->saved_deffh);
819	SvREFCNT_dec (coro->throw);	892	SvREFCNT_dec (coro->throw);
820		893
821	coro_destroy_stacks (aTHX);	894	coro_destruct_stacks (aTHX);
822	}	895	}
823		896
824	static void	897	static void
825	free_coro_mortal (pTHX)	898	free_coro_mortal (pTHX)
826	{	899	{
…		…
863	: cx->blk_gimme == G_SCALAR ? bot + 1	936	: cx->blk_gimme == G_SCALAR ? bot + 1
864	: bot;	937	: bot;
865		938
866	av_extend (av, top - bot);	939	av_extend (av, top - bot);
867	while (bot < top)	940	while (bot < top)
868	av_push (av, SvREFCNT_inc (*bot++));	941	av_push (av, SvREFCNT_inc_NN (*bot++));
869		942
870	PL_runops = RUNOPS_DEFAULT;	943	PL_runops = RUNOPS_DEFAULT;
871	ENTER;	944	ENTER;
872	SAVETMPS;	945	SAVETMPS;
873	EXTEND (SP, 3);	946	EXTEND (SP, 3);
…		…
987	* this is a _very_ stripped down perl interpreter ;)	1060	* this is a _very_ stripped down perl interpreter ;)
988	*/	1061	*/
989	static void	1062	static void
990	cctx_run (void *arg)	1063	cctx_run (void *arg)
991	{	1064	{
		1065	#ifdef USE_ITHREADS
		1066	# if CORO_PTHREAD
		1067	PERL_SET_CONTEXT (coro_thx);
		1068	# endif
		1069	#endif
		1070	{
992	dTHX;	1071	dTHX;
993		1072
994	/* cctx_run is the alternative tail of transfer(), so unlock here. */	1073	/* cctx_run is the alternative tail of transfer(), so unlock here. */
995	UNLOCK;	1074	UNLOCK;
996		1075
997	/* we now skip the entersub that lead to transfer() */	1076	/* we now skip the entersub that lead to transfer() */
998	PL_op = PL_op->op_next;	1077	PL_op = PL_op->op_next;
999		1078
1000	/* inject a fake subroutine call to cctx_init */	1079	/* inject a fake subroutine call to cctx_init */
1001	cctx_prepare (aTHX_ (coro_cctx *)arg);	1080	cctx_prepare (aTHX_ (coro_cctx *)arg);
1002		1081
1003	/* 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 */
1004	PL_restartop = PL_op;	1083	PL_restartop = PL_op;
1005	perl_run (PL_curinterp);	1084	perl_run (PL_curinterp);
1006		1085
1007	/*	1086	/*
1008	* 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
1009	* 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)
1010	* 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
1011	* bootstrap-time "top" top_env, as we cannot restore the "main"	1090	* bootstrap-time "top" top_env, as we cannot restore the "main"
1012	* coroutine as Coro has no such concept	1091	* coroutine as Coro has no such concept
1013	*/	1092	*/
1014	PL_top_env = main_top_env;	1093	PL_top_env = main_top_env;
1015	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	}
1016	}	1096	}
1017		1097
1018	static coro_cctx *	1098	static coro_cctx *
1019	cctx_new ()	1099	cctx_new ()
1020	{	1100	{
1021	coro_cctx *cctx;	1101	coro_cctx *cctx;
1022	void *stack_start;	1102	void *stack_start;
1023	size_t stack_size;	1103	size_t stack_size;
1024		1104
1025	++cctx_count;	1105	++cctx_count;
1026
1027	Newz (0, cctx, 1, coro_cctx);	1106	Newz (0, cctx, 1, coro_cctx);
1028		1107
		1108	cctx->gen = cctx_gen;
		1109
1029	#if HAVE_MMAP	1110	#if HAVE_MMAP
1030	cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;	1111	cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;
1031	/* mmap supposedly does allocate-on-write for us */	1112	/* mmap supposedly does allocate-on-write for us */
1032	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);	1113	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);
1033		1114
1034	if (cctx->sptr != (void *)-1)	1115	if (cctx->sptr != (void *)-1)
1035	{	1116	{
…		…
1041	cctx->flags \|= CC_MAPPED;	1122	cctx->flags \|= CC_MAPPED;
1042	}	1123	}
1043	else	1124	else
1044	#endif	1125	#endif
1045	{	1126	{
1046	cctx->ssize = coro_stacksize * (long)sizeof (long);	1127	cctx->ssize = cctx_stacksize * (long)sizeof (long);
1047	New (0, cctx->sptr, coro_stacksize, long);	1128	New (0, cctx->sptr, cctx_stacksize, long);
1048		1129
1049	if (!cctx->sptr)	1130	if (!cctx->sptr)
1050	{	1131	{
1051	perror ("FATAL: unable to allocate stack for coroutine");	1132	perror ("FATAL: unable to allocate stack for coroutine");
1052	_exit (EXIT_FAILURE);	1133	_exit (EXIT_FAILURE);
…		…
1067	{	1148	{
1068	if (!cctx)	1149	if (!cctx)
1069	return;	1150	return;
1070		1151
1071	--cctx_count;	1152	--cctx_count;
		1153	coro_destroy (&cctx->cctx);
1072		1154
		1155	/* coro_transfer creates new, empty cctx's */
		1156	if (cctx->sptr)
		1157	{
1073	#if CORO_USE_VALGRIND	1158	#if CORO_USE_VALGRIND
1074	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);	1159	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
1075	#endif	1160	#endif
1076		1161
1077	#if HAVE_MMAP	1162	#if HAVE_MMAP
1078	if (cctx->flags & CC_MAPPED)	1163	if (cctx->flags & CC_MAPPED)
1079	munmap (cctx->sptr, cctx->ssize);	1164	munmap (cctx->sptr, cctx->ssize);
1080	else	1165	else
1081	#endif	1166	#endif
1082	Safefree (cctx->sptr);	1167	Safefree (cctx->sptr);
		1168	}
1083		1169
1084	Safefree (cctx);	1170	Safefree (cctx);
1085	}	1171	}
1086		1172
1087	/* wether this cctx should be destructed */	1173	/* wether this cctx should be destructed */
1088	#define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize \|\| ((cctx)->flags & CC_NOREUSE))	1174	#define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen \|\| ((cctx)->flags & CC_NOREUSE))
1089		1175
1090	static coro_cctx *	1176	static coro_cctx *
1091	cctx_get (pTHX)	1177	cctx_get (pTHX)
1092	{	1178	{
1093	while (expect_true (cctx_first))	1179	while (expect_true (cctx_first))
…		…
1106	}	1192	}
1107		1193
1108	static void	1194	static void
1109	cctx_put (coro_cctx *cctx)	1195	cctx_put (coro_cctx *cctx)
1110	{	1196	{
		1197	assert (("cctx_put called on non-initialised cctx", cctx->sptr));
		1198
1111	/* free another cctx if overlimit */	1199	/* free another cctx if overlimit */
1112	if (expect_false (cctx_idle >= MAX_IDLE_CCTX))	1200	if (expect_false (cctx_idle >= cctx_max_idle))
1113	{	1201	{
1114	coro_cctx *first = cctx_first;	1202	coro_cctx *first = cctx_first;
1115	cctx_first = first->next;	1203	cctx_first = first->next;
1116	--cctx_idle;	1204	--cctx_idle;
1117		1205
…		…
1149	/* always use the TRANSFER macro */	1237	/* always use the TRANSFER macro */
1150	static void NOINLINE	1238	static void NOINLINE
1151	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)	1239	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)
1152	{	1240	{
1153	dSTACKLEVEL;	1241	dSTACKLEVEL;
1154	static volatile int has_throw;
1155		1242
1156	/* sometimes transfer is only called to set idle_sp */	1243	/* sometimes transfer is only called to set idle_sp */
1157	if (expect_false (!next))	1244	if (expect_false (!next))
1158	{	1245	{
1159	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1246	((coro_cctx *)prev)->idle_sp = STACKLEVEL;
1160	assert (((coro_cctx )prev)->idle_te = PL_top_env); / just for the side-effect when asserts are enabled */	1247	assert (((coro_cctx )prev)->idle_te = PL_top_env); / just for the side-effect when asserts are enabled */
1161	}	1248	}
1162	else if (expect_true (prev != next))	1249	else if (expect_true (prev != next))
1163	{	1250	{
		1251	static volatile int has_throw;
1164	coro_cctx *prev__cctx;	1252	coro_cctx *prev__cctx;
1165		1253
1166	if (expect_false (prev->flags & CF_NEW))	1254	if (expect_false (prev->flags & CF_NEW))
1167	{	1255	{
1168	/* create a new empty context */	1256	/* create a new empty/source context */
		1257	++cctx_count;
1169	Newz (0, prev->cctx, 1, coro_cctx);	1258	New (0, prev->cctx, 1, coro_cctx);
		1259	prev->cctx->sptr = 0;
		1260	coro_create (&prev->cctx->cctx, 0, 0, 0, 0);
		1261
1170	prev->flags &= ~CF_NEW;	1262	prev->flags &= ~CF_NEW;
1171	prev->flags \|= CF_RUNNING;	1263	prev->flags \|= CF_RUNNING;
1172	}	1264	}
1173		1265
1174	prev->flags &= ~CF_RUNNING;	1266	prev->flags &= ~CF_RUNNING;
…		…
1281	croak ("FATAL: tried to destroy currently running coroutine");	1373	croak ("FATAL: tried to destroy currently running coroutine");
1282		1374
1283	save_perl (aTHX_ &temp);	1375	save_perl (aTHX_ &temp);
1284	load_perl (aTHX_ coro);	1376	load_perl (aTHX_ coro);
1285		1377
1286	coro_destroy (aTHX_ coro);	1378	coro_destruct (aTHX_ coro);
1287		1379
1288	load_perl (aTHX_ &temp);	1380	load_perl (aTHX_ &temp);
1289		1381
1290	coro->slot = 0;	1382	coro->slot = 0;
1291	}	1383	}
…		…
1379	static int	1471	static int
1380	api_ready (SV *coro_sv)	1472	api_ready (SV *coro_sv)
1381	{	1473	{
1382	dTHX;	1474	dTHX;
1383	struct coro *coro;	1475	struct coro *coro;
		1476	SV *sv_hook;
		1477	void (*xs_hook)(void);
1384		1478
1385	if (SvROK (coro_sv))	1479	if (SvROK (coro_sv))
1386	coro_sv = SvRV (coro_sv);	1480	coro_sv = SvRV (coro_sv);
1387		1481
1388	coro = SvSTATE (coro_sv);	1482	coro = SvSTATE (coro_sv);
…		…
1391	return 0;	1485	return 0;
1392		1486
1393	coro->flags \|= CF_READY;	1487	coro->flags \|= CF_READY;
1394		1488
1395	LOCK;	1489	LOCK;
		1490
		1491	sv_hook = coro_nready ? 0 : coro_readyhook;
		1492	xs_hook = coro_nready ? 0 : coroapi.readyhook;
		1493
1396	coro_enq (aTHX_ SvREFCNT_inc (coro_sv));	1494	coro_enq (aTHX_ SvREFCNT_inc_NN (coro_sv));
1397	++coro_nready;	1495	++coro_nready;
		1496
1398	UNLOCK;	1497	UNLOCK;
		1498
		1499	if (sv_hook)
		1500	{
		1501	dSP;
		1502
		1503	ENTER;
		1504	SAVETMPS;
		1505
		1506	PUSHMARK (SP);
		1507	PUTBACK;
		1508	call_sv (sv_hook, G_DISCARD);
		1509	SPAGAIN;
		1510
		1511	FREETMPS;
		1512	LEAVE;
		1513	}
		1514
		1515	if (xs_hook)
		1516	xs_hook ();
1399		1517
1400	return 1;	1518	return 1;
1401	}	1519	}
1402		1520
1403	static int	1521	static int
…		…
1553	else	1671	else
1554	coro->slot->runops = RUNOPS_DEFAULT;	1672	coro->slot->runops = RUNOPS_DEFAULT;
1555	}	1673	}
1556	}	1674	}
1557		1675
		1676	#if 0
		1677	static int
		1678	coro_gensub_free (pTHX_ SV sv, MAGIC mg)
		1679	{
		1680	AV *padlist;
		1681	AV av = (AV )mg->mg_obj;
		1682
		1683	abort ();
		1684
		1685	return 0;
		1686	}
		1687
		1688	static MGVTBL coro_gensub_vtbl = {
		1689	0, 0, 0, 0,
		1690	coro_gensub_free
		1691	};
		1692	#endif
		1693
		1694	/*****************************************************************************/
		1695	/* PerlIO::cede */
		1696
		1697	typedef struct
		1698	{
		1699	PerlIOBuf base;
		1700	NV next, every;
		1701	} PerlIOCede;
		1702
		1703	static IV
		1704	PerlIOCede_pushed (pTHX_ PerlIO f, const char mode, SV arg, PerlIO_funcs tab)
		1705	{
		1706	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1707
		1708	self->every = SvCUR (arg) ? SvNV (arg) : 0.01;
		1709	self->next = nvtime () + self->every;
		1710
		1711	return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab);
		1712	}
		1713
		1714	static SV *
		1715	PerlIOCede_getarg (pTHX_ PerlIO f, CLONE_PARAMS param, int flags)
		1716	{
		1717	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1718
		1719	return newSVnv (self->every);
		1720	}
		1721
		1722	static IV
		1723	PerlIOCede_flush (pTHX_ PerlIO *f)
		1724	{
		1725	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1726	double now = nvtime ();
		1727
		1728	if (now >= self->next)
		1729	{
		1730	api_cede ();
		1731	self->next = now + self->every;
		1732	}
		1733
		1734	return PerlIOBuf_flush (aTHX_ f);
		1735	}
		1736
		1737	static PerlIO_funcs PerlIO_cede =
		1738	{
		1739	sizeof(PerlIO_funcs),
		1740	"cede",
		1741	sizeof(PerlIOCede),
		1742	PERLIO_K_DESTRUCT \| PERLIO_K_RAW,
		1743	PerlIOCede_pushed,
		1744	PerlIOBuf_popped,
		1745	PerlIOBuf_open,
		1746	PerlIOBase_binmode,
		1747	PerlIOCede_getarg,
		1748	PerlIOBase_fileno,
		1749	PerlIOBuf_dup,
		1750	PerlIOBuf_read,
		1751	PerlIOBuf_unread,
		1752	PerlIOBuf_write,
		1753	PerlIOBuf_seek,
		1754	PerlIOBuf_tell,
		1755	PerlIOBuf_close,
		1756	PerlIOCede_flush,
		1757	PerlIOBuf_fill,
		1758	PerlIOBase_eof,
		1759	PerlIOBase_error,
		1760	PerlIOBase_clearerr,
		1761	PerlIOBase_setlinebuf,
		1762	PerlIOBuf_get_base,
		1763	PerlIOBuf_bufsiz,
		1764	PerlIOBuf_get_ptr,
		1765	PerlIOBuf_get_cnt,
		1766	PerlIOBuf_set_ptrcnt,
		1767	};
		1768
		1769
1558	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	1770	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1559		1771
1560	PROTOTYPES: DISABLE	1772	PROTOTYPES: DISABLE
1561		1773
1562	BOOT:	1774	BOOT:
1563	{	1775	{
1564	#ifdef USE_ITHREADS	1776	#ifdef USE_ITHREADS
1565	MUTEX_INIT (&coro_mutex);	1777	MUTEX_INIT (&coro_lock);
		1778	# if CORO_PTHREAD
		1779	coro_thx = PERL_GET_CONTEXT;
		1780	# endif
1566	#endif	1781	#endif
1567	BOOT_PAGESIZE;	1782	BOOT_PAGESIZE;
1568		1783
1569	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);	1784	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
1570	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);	1785	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
1571		1786
1572	orig_sigelem_get = PL_vtbl_sigelem.svt_get;	1787	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;
1573	PL_vtbl_sigelem.svt_get = coro_sigelem_get;	1788	orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;
1574	orig_sigelem_set = PL_vtbl_sigelem.svt_set;	1789	orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr;
1575	PL_vtbl_sigelem.svt_set = coro_sigelem_set;
1576		1790
1577	hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);	1791	hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);
1578	rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));	1792	rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));
1579	rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));	1793	rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));
1580		1794
…		…
1589	main_top_env = PL_top_env;	1803	main_top_env = PL_top_env;
1590		1804
1591	while (main_top_env->je_prev)	1805	while (main_top_env->je_prev)
1592	main_top_env = main_top_env->je_prev;	1806	main_top_env = main_top_env->je_prev;
1593		1807
1594	coroapi.ver = CORO_API_VERSION;	1808	coroapi.ver = CORO_API_VERSION;
1595	coroapi.rev = CORO_API_REVISION;	1809	coroapi.rev = CORO_API_REVISION;
1596	coroapi.transfer = api_transfer;	1810	coroapi.transfer = api_transfer;
		1811
		1812	{
		1813	SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0);
		1814
		1815	if (!svp) croak ("Time::HiRes is required");
		1816	if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");
		1817
		1818	nvtime = INT2PTR (double ()(), SvIV (svp));
		1819	}
1597		1820
1598	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	1821	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
1599	}	1822	}
1600		1823
1601	SV *	1824	SV *
…		…
1649	ta.next = 0;	1872	ta.next = 0;
1650	break;	1873	break;
1651		1874
1652	case 1:	1875	case 1:
1653	if (items != 2)	1876	if (items != 2)
1654	croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items);	1877	croak ("Coro::State::transfer (prev, next) expects two arguments, not %d", items);
1655		1878
1656	prepare_transfer (aTHX_ &ta, ST (0), ST (1));	1879	prepare_transfer (aTHX_ &ta, ST (0), ST (1));
1657	break;	1880	break;
1658		1881
1659	case 2:	1882	case 2:
…		…
1685	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));	1908	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));
1686	OUTPUT:	1909	OUTPUT:
1687	RETVAL	1910	RETVAL
1688		1911
1689	void	1912	void
1690	_exit (code)	1913	_exit (int code)
1691	int code
1692	PROTOTYPE: $	1914	PROTOTYPE: $
1693	CODE:	1915	CODE:
1694	_exit (code);	1916	_exit (code);
1695		1917
1696	int	1918	int
1697	cctx_stacksize (int new_stacksize = 0)	1919	cctx_stacksize (int new_stacksize = 0)
1698	CODE:	1920	CODE:
1699	RETVAL = coro_stacksize;	1921	RETVAL = cctx_stacksize;
1700	if (new_stacksize)	1922	if (new_stacksize)
		1923	{
1701	coro_stacksize = new_stacksize;	1924	cctx_stacksize = new_stacksize;
		1925	++cctx_gen;
		1926	}
		1927	OUTPUT:
		1928	RETVAL
		1929
		1930	int
		1931	cctx_max_idle (int max_idle = 0)
		1932	CODE:
		1933	RETVAL = cctx_max_idle;
		1934	if (max_idle > 1)
		1935	cctx_max_idle = max_idle;
1702	OUTPUT:	1936	OUTPUT:
1703	RETVAL	1937	RETVAL
1704		1938
1705	int	1939	int
1706	cctx_count ()	1940	cctx_count ()
…		…
1730	call (Coro::State coro, SV *coderef)	1964	call (Coro::State coro, SV *coderef)
1731	ALIAS:	1965	ALIAS:
1732	eval = 1	1966	eval = 1
1733	CODE:	1967	CODE:
1734	{	1968	{
1735	if (coro->mainstack)	1969	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))
1736	{	1970	{
1737	struct coro temp;	1971	struct coro temp;
1738		1972
1739	if (!(coro->flags & CF_RUNNING))	1973	if (!(coro->flags & CF_RUNNING))
1740	{	1974	{
…		…
1787		2021
1788	void	2022	void
1789	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)	2023	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)
1790		2024
1791	SV *	2025	SV *
1792	has_stack (Coro::State coro)	2026	has_cctx (Coro::State coro)
1793	PROTOTYPE: $	2027	PROTOTYPE: $
1794	CODE:	2028	CODE:
1795	RETVAL = boolSV (!!coro->cctx);	2029	RETVAL = boolSV (!!coro->cctx);
1796	OUTPUT:	2030	OUTPUT:
1797	RETVAL	2031	RETVAL
…		…
1802	CODE:	2036	CODE:
1803	RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL;	2037	RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL;
1804	OUTPUT:	2038	OUTPUT:
1805	RETVAL	2039	RETVAL
1806		2040
1807	IV	2041	UV
1808	rss (Coro::State coro)	2042	rss (Coro::State coro)
1809	PROTOTYPE: $	2043	PROTOTYPE: $
1810	ALIAS:	2044	ALIAS:
1811	usecount = 1	2045	usecount = 1
1812	CODE:	2046	CODE:
…		…
1822	force_cctx ()	2056	force_cctx ()
1823	CODE:	2057	CODE:
1824	struct coro *coro = SvSTATE (coro_current);	2058	struct coro *coro = SvSTATE (coro_current);
1825	coro->cctx->idle_sp = 0;	2059	coro->cctx->idle_sp = 0;
1826		2060
1827	MODULE = Coro::State PACKAGE = Coro
1828
1829	BOOT:
1830	{
1831	int i;
1832
1833	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
1834	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
1835	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
1836
1837	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);
1838	SvREADONLY_on (coro_current);
1839
1840	coro_stash = gv_stashpv ("Coro", TRUE);
1841
1842	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
1843	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
1844	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
1845	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
1846	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));
1847	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));
1848
1849	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
1850	coro_ready[i] = newAV ();
1851
1852	{
1853	SV *sv = perl_get_sv ("Coro::API", TRUE);
1854	perl_get_sv ("Coro::API", TRUE); /* silence 5.10 warning */
1855
1856	coroapi.schedule = api_schedule;
1857	coroapi.cede = api_cede;
1858	coroapi.cede_notself = api_cede_notself;
1859	coroapi.ready = api_ready;
1860	coroapi.is_ready = api_is_ready;
1861	coroapi.nready = &coro_nready;
1862	coroapi.current = coro_current;
1863
1864	GCoroAPI = &coroapi;
1865	sv_setiv (sv, (IV)&coroapi);
1866	SvREADONLY_on (sv);
1867	}
1868	}
1869
1870	void
1871	_set_current (SV *current)
1872	PROTOTYPE: $
1873	CODE:
1874	SvREFCNT_dec (SvRV (coro_current));
1875	SvRV_set (coro_current, SvREFCNT_inc (SvRV (current)));
1876
1877	int
1878	prio (Coro::State coro, int newprio = 0)
1879	ALIAS:
1880	nice = 1
1881	CODE:
1882	{
1883	RETVAL = coro->prio;
1884
1885	if (items > 1)
1886	{
1887	if (ix)
1888	newprio = coro->prio - newprio;
1889
1890	if (newprio < PRIO_MIN) newprio = PRIO_MIN;
1891	if (newprio > PRIO_MAX) newprio = PRIO_MAX;
1892
1893	coro->prio = newprio;
1894	}
1895	}
1896	OUTPUT:
1897	RETVAL
1898
1899	SV *
1900	ready (SV *self)
1901	PROTOTYPE: $
1902	CODE:
1903	RETVAL = boolSV (api_ready (self));
1904	OUTPUT:
1905	RETVAL
1906
1907	int
1908	nready (...)
1909	PROTOTYPE:
1910	CODE:
1911	RETVAL = coro_nready;
1912	OUTPUT:
1913	RETVAL
1914
1915	void
1916	throw (Coro::State self, SV *throw = &PL_sv_undef)
1917	PROTOTYPE: $;$
1918	CODE:
1919	SvREFCNT_dec (self->throw);
1920	self->throw = SvOK (throw) ? newSVsv (throw) : 0;
1921
1922	void	2061	void
1923	swap_defsv (Coro::State self)	2062	swap_defsv (Coro::State self)
1924	PROTOTYPE: $	2063	PROTOTYPE: $
1925	ALIAS:	2064	ALIAS:
1926	swap_defav = 1	2065	swap_defav = 1
…		…
1933	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;	2072	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;
1934		2073
1935	SV tmp = src; src = dst; *dst = tmp;	2074	SV tmp = src; src = dst; *dst = tmp;
1936	}	2075	}
1937		2076
		2077	MODULE = Coro::State PACKAGE = Coro
		2078
		2079	BOOT:
		2080	{
		2081	int i;
		2082
		2083	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
		2084	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
		2085	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
		2086
		2087	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);
		2088	SvREADONLY_on (coro_current);
		2089
		2090	coro_stash = gv_stashpv ("Coro", TRUE);
		2091
		2092	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
		2093	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
		2094	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
		2095	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
		2096	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));
		2097	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));
		2098
		2099	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
		2100	coro_ready[i] = newAV ();
		2101
		2102	{
		2103	SV *sv = perl_get_sv ("Coro::API", TRUE);
		2104	perl_get_sv ("Coro::API", TRUE); /* silence 5.10 warning */
		2105
		2106	coroapi.schedule = api_schedule;
		2107	coroapi.cede = api_cede;
		2108	coroapi.cede_notself = api_cede_notself;
		2109	coroapi.ready = api_ready;
		2110	coroapi.is_ready = api_is_ready;
		2111	coroapi.nready = &coro_nready;
		2112	coroapi.current = coro_current;
		2113
		2114	GCoroAPI = &coroapi;
		2115	sv_setiv (sv, (IV)&coroapi);
		2116	SvREADONLY_on (sv);
		2117	}
		2118	}
		2119
		2120	void
		2121	_set_current (SV *current)
		2122	PROTOTYPE: $
		2123	CODE:
		2124	SvREFCNT_dec (SvRV (coro_current));
		2125	SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));
		2126
		2127	void
		2128	_set_readyhook (SV *hook)
		2129	PROTOTYPE: $
		2130	CODE:
		2131	LOCK;
		2132	SvREFCNT_dec (coro_readyhook);
		2133	coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;
		2134	UNLOCK;
		2135
		2136	int
		2137	prio (Coro::State coro, int newprio = 0)
		2138	ALIAS:
		2139	nice = 1
		2140	CODE:
		2141	{
		2142	RETVAL = coro->prio;
		2143
		2144	if (items > 1)
		2145	{
		2146	if (ix)
		2147	newprio = coro->prio - newprio;
		2148
		2149	if (newprio < PRIO_MIN) newprio = PRIO_MIN;
		2150	if (newprio > PRIO_MAX) newprio = PRIO_MAX;
		2151
		2152	coro->prio = newprio;
		2153	}
		2154	}
		2155	OUTPUT:
		2156	RETVAL
		2157
		2158	SV *
		2159	ready (SV *self)
		2160	PROTOTYPE: $
		2161	CODE:
		2162	RETVAL = boolSV (api_ready (self));
		2163	OUTPUT:
		2164	RETVAL
		2165
		2166	int
		2167	nready (...)
		2168	PROTOTYPE:
		2169	CODE:
		2170	RETVAL = coro_nready;
		2171	OUTPUT:
		2172	RETVAL
		2173
		2174	void
		2175	throw (Coro::State self, SV *throw = &PL_sv_undef)
		2176	PROTOTYPE: $;$
		2177	CODE:
		2178	SvREFCNT_dec (self->throw);
		2179	self->throw = SvOK (throw) ? newSVsv (throw) : 0;
		2180
1938	# for async_pool speedup	2181	# for async_pool speedup
1939	void	2182	void
1940	_pool_1 (SV *cb)	2183	_pool_1 (SV *cb)
1941	CODE:	2184	CODE:
1942	{	2185	{
…		…
1947	AV *invoke_av;	2190	AV *invoke_av;
1948	int i, len;	2191	int i, len;
1949		2192
1950	if (!invoke)	2193	if (!invoke)
1951	{	2194	{
1952	SvREFCNT_dec (PL_diehook); PL_diehook = 0;	2195	SV *old = PL_diehook;
		2196	PL_diehook = 0;
		2197	SvREFCNT_dec (old);
1953	croak ("\3async_pool terminate\2\n");	2198	croak ("\3async_pool terminate\2\n");
1954	}	2199	}
1955		2200
1956	SvREFCNT_dec (coro->saved_deffh);	2201	SvREFCNT_dec (coro->saved_deffh);
1957	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);	2202	coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv);
1958		2203
1959	hv_store (hv, "desc", sizeof ("desc") - 1,	2204	hv_store (hv, "desc", sizeof ("desc") - 1,
1960	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);	2205	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
1961		2206
1962	invoke_av = (AV *)SvRV (invoke);	2207	invoke_av = (AV *)SvRV (invoke);
…		…
1966		2211
1967	if (len > 0)	2212	if (len > 0)
1968	{	2213	{
1969	av_fill (defav, len - 1);	2214	av_fill (defav, len - 1);
1970	for (i = 0; i < len; ++i)	2215	for (i = 0; i < len; ++i)
1971	av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1]));	2216	av_store (defav, i, SvREFCNT_inc_NN (AvARRAY (invoke_av)[i + 1]));
1972	}	2217	}
1973		2218
1974	SvREFCNT_dec (invoke);	2219	SvREFCNT_dec (invoke);
1975	}	2220	}
1976		2221
…		…
1983	sv_setsv (cb, &PL_sv_undef);	2228	sv_setsv (cb, &PL_sv_undef);
1984		2229
1985	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;	2230	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;
1986	coro->saved_deffh = 0;	2231	coro->saved_deffh = 0;
1987		2232
1988	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)	2233	if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss)
1989	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))	2234	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
1990	{	2235	{
1991	SvREFCNT_dec (PL_diehook); PL_diehook = 0;	2236	SV *old = PL_diehook;
		2237	PL_diehook = 0;
		2238	SvREFCNT_dec (old);
1992	croak ("\3async_pool terminate\2\n");	2239	croak ("\3async_pool terminate\2\n");
1993	}	2240	}
1994		2241
1995	av_clear (GvAV (PL_defgv));	2242	av_clear (GvAV (PL_defgv));
1996	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,	2243	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
…		…
2002	api_trace (coro_current, 0);	2249	api_trace (coro_current, 0);
2003		2250
2004	av_push (av_async_pool, newSVsv (coro_current));	2251	av_push (av_async_pool, newSVsv (coro_current));
2005	}	2252	}
2006		2253
		2254	#if 0
		2255
		2256	void
		2257	_generator_call (...)
		2258	PROTOTYPE: @
		2259	PPCODE:
		2260	fprintf (stderr, "call %p\n", CvXSUBANY(cv).any_ptr);
		2261	xxxx
		2262	abort ();
		2263
		2264	SV *
		2265	gensub (SV *sub, ...)
		2266	PROTOTYPE: &;@
		2267	CODE:
		2268	{
		2269	struct coro *coro;
		2270	MAGIC *mg;
		2271	CV *xcv;
		2272	CV ncv = (CV )newSV_type (SVt_PVCV);
		2273	int i;
		2274
		2275	CvGV (ncv) = CvGV (cv);
		2276	CvFILE (ncv) = CvFILE (cv);
		2277
		2278	Newz (0, coro, 1, struct coro);
		2279	coro->args = newAV ();
		2280	coro->flags = CF_NEW;
		2281
		2282	av_extend (coro->args, items - 1);
		2283	for (i = 1; i < items; i++)
		2284	av_push (coro->args, newSVsv (ST (i)));
		2285
		2286	CvISXSUB_on (ncv);
		2287	CvXSUBANY (ncv).any_ptr = (void *)coro;
		2288
		2289	xcv = GvCV (gv_fetchpv ("Coro::_generator_call", 0, SVt_PVCV));
		2290
		2291	CvXSUB (ncv) = CvXSUB (xcv);
		2292	CvANON_on (ncv);
		2293
		2294	mg = sv_magicext ((SV )ncv, 0, CORO_MAGIC_type_state, &coro_gensub_vtbl, (char )coro, 0);
		2295	RETVAL = newRV_noinc ((SV *)ncv);
		2296	}
		2297	OUTPUT:
		2298	RETVAL
		2299
		2300	#endif
		2301
2007		2302
2008	MODULE = Coro::State PACKAGE = Coro::AIO	2303	MODULE = Coro::State PACKAGE = Coro::AIO
2009		2304
2010	SV *	2305	void
2011	_get_state ()	2306	_get_state (SV *self)
2012	CODE:	2307	PPCODE:
2013	{	2308	{
2014	struct io_state *data;	2309	AV *defav = GvAV (PL_defgv);
2015		2310	AV *av = newAV ();
		2311	int i;
2016	RETVAL = newSV (sizeof (struct io_state));	2312	SV *data_sv = newSV (sizeof (struct io_state));
2017	data = (struct io_state *)SvPVX (RETVAL);	2313	struct io_state data = (struct io_state )SvPVX (data_sv);
2018	SvCUR_set (RETVAL, sizeof (struct io_state));	2314	SvCUR_set (data_sv, sizeof (struct io_state));
2019	SvPOK_only (RETVAL);	2315	SvPOK_only (data_sv);
2020		2316
2021	data->errorno = errno;	2317	data->errorno = errno;
2022	data->laststype = PL_laststype;	2318	data->laststype = PL_laststype;
2023	data->laststatval = PL_laststatval;	2319	data->laststatval = PL_laststatval;
2024	data->statcache = PL_statcache;	2320	data->statcache = PL_statcache;
		2321
		2322	av_extend (av, AvFILLp (defav) + 1 + 1);
		2323
		2324	for (i = 0; i <= AvFILLp (defav); ++i)
		2325	av_push (av, SvREFCNT_inc_NN (AvARRAY (defav)[i]));
		2326
		2327	av_push (av, data_sv);
		2328
		2329	XPUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		2330
		2331	api_ready (self);
2025	}	2332	}
2026	OUTPUT:
2027	RETVAL
2028		2333
2029	void	2334	void
2030	_set_state (char *data_)	2335	_set_state (SV *state)
2031	PROTOTYPE: $	2336	PROTOTYPE: $
2032	CODE:	2337	PPCODE:
2033	{	2338	{
2034	struct io_state data = (void )data_;	2339	AV av = (AV )SvRV (state);
		2340	struct io_state data = (struct io_state )SvPVX (AvARRAY (av)[AvFILLp (av)]);
		2341	int i;
2035		2342
2036	errno = data->errorno;	2343	errno = data->errorno;
2037	PL_laststype = data->laststype;	2344	PL_laststype = data->laststype;
2038	PL_laststatval = data->laststatval;	2345	PL_laststatval = data->laststatval;
2039	PL_statcache = data->statcache;	2346	PL_statcache = data->statcache;
2040	}
2041		2347
		2348	EXTEND (SP, AvFILLp (av));
		2349	for (i = 0; i < AvFILLp (av); ++i)
		2350	PUSHs (sv_2mortal (SvREFCNT_inc_NN (AvARRAY (av)[i])));
		2351	}
		2352
		2353
		2354	MODULE = Coro::State PACKAGE = Coro::AnyEvent
		2355
		2356	BOOT:
		2357	sv_activity = coro_get_sv (aTHX_ "Coro::AnyEvent::ACTIVITY", TRUE);
		2358
		2359	SV *
		2360	_schedule (...)
		2361	PROTOTYPE: @
		2362	CODE:
		2363	{
		2364	static int incede;
		2365
		2366	api_cede_notself ();
		2367
		2368	++incede;
		2369	while (coro_nready >= incede && api_cede ())
		2370	;
		2371
		2372	sv_setsv (sv_activity, &PL_sv_undef);
		2373	if (coro_nready >= incede)
		2374	{
		2375	PUSHMARK (SP);
		2376	PUTBACK;
		2377	call_pv ("Coro::AnyEvent::_activity", G_DISCARD \| G_EVAL);
		2378	SPAGAIN;
		2379	}
		2380
		2381	--incede;
		2382	}
		2383
		2384
		2385	MODULE = Coro::State PACKAGE = PerlIO::cede
		2386
		2387	BOOT:
		2388	PerlIO_define_layer (aTHX_ &PerlIO_cede);

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Comparing Coro/Coro/State.xs (file contents): Revision 1.231 by root, Thu Apr 24 10:31:59 2008 UTC vs. Revision 1.257 by root, Sun Nov 9 15:35:44 2008 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.231 by root, Thu Apr 24 10:31:59 2008 UTC vs.
Revision 1.257 by root, Sun Nov 9 15:35:44 2008 UTC