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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.238 by root, Sat May 31 12:10:55 2008 UTC vs.
Revision 1.259 by root, Mon Nov 10 00:02:29 2008 UTC

…		…
4	#define PERL_EXT	4	#define PERL_EXT
5		5
6	#include "EXTERN.h"	6	#include "EXTERN.h"
7	#include "perl.h"	7	#include "perl.h"
8	#include "XSUB.h"	8	#include "XSUB.h"
		9	#include "perliol.h"
9		10
10	#include "patchlevel.h"	11	#include "patchlevel.h"
11		12
12	#include <stdio.h>	13	#include <stdio.h>
13	#include <errno.h>	14	#include <errno.h>
…		…
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 */
		186	static volatile char next_has_throw; /* speedup flag for next->throw check */
164		187
165	static GV irsgv; / $/ */	188	static GV irsgv; / $/ */
166	static GV stdoutgv; / STDOUT /	189	static GV stdoutgv; / STDOUT /
167	static SV *rv_diehook;	190	static SV *rv_diehook;
168	static SV *rv_warnhook;	191	static SV *rv_warnhook;
…		…
200	void idle_sp; / sp of top-level transfer/schedule/cede call */	223	void idle_sp; / sp of top-level transfer/schedule/cede call */
201	JMPENV idle_te; / same as idle_sp, but for top_env, TODO: remove once stable */	224	JMPENV idle_te; / same as idle_sp, but for top_env, TODO: remove once stable */
202	JMPENV *top_env;	225	JMPENV *top_env;
203	coro_context cctx;	226	coro_context cctx;
204		227
		228	U32 gen;
205	#if CORO_USE_VALGRIND	229	#if CORO_USE_VALGRIND
206	int valgrind_id;	230	int valgrind_id;
207	#endif	231	#endif
208	unsigned char flags;	232	unsigned char flags;
209	} coro_cctx;	233	} coro_cctx;
…		…
269	#define PRIO_MIN -4	293	#define PRIO_MIN -4
270		294
271	/* for Coro.pm */	295	/* for Coro.pm */
272	static SV *coro_current;	296	static SV *coro_current;
273	static SV *coro_readyhook;	297	static SV *coro_readyhook;
274	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];	298	static AV *coro_ready [PRIO_MAX - PRIO_MIN + 1];
275	static int coro_nready;	299	static int coro_nready;
276	static struct coro *coro_first;	300	static struct coro *coro_first;
277		301
278	/ lowlevel stuff ********************************************************/	302	/ lowlevel stuff ********************************************************/
279		303
…		…
321	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);	345	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
322	#endif	346	#endif
323	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];	347	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
324	--AvFILLp (padlist);	348	--AvFILLp (padlist);
325		349
326	av_store (newpadlist, 0, SvREFCNT_inc (*av_fetch (padlist, 0, FALSE)));	350	av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE)));
327	av_store (newpadlist, 1, (SV *)newpad);	351	av_store (newpadlist, 1, (SV *)newpad);
328		352
329	return newpadlist;	353	return newpadlist;
330	}	354	}
331		355
…		…
361		385
362	/* casting is fun. */	386	/* casting is fun. */
363	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))	387	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
364	free_padlist (aTHX_ padlist);	388	free_padlist (aTHX_ padlist);
365		389
		390	SvREFCNT_dec (av); /* sv_magicext increased the refcount */
		391
366	return 0;	392	return 0;
367	}	393	}
368		394
369	#define CORO_MAGIC_type_cv PERL_MAGIC_ext	395	#define CORO_MAGIC_type_cv PERL_MAGIC_ext
370	#define CORO_MAGIC_type_state PERL_MAGIC_ext	396	#define CORO_MAGIC_type_state PERL_MAGIC_ext
…		…
372	static MGVTBL coro_cv_vtbl = {	398	static MGVTBL coro_cv_vtbl = {
373	0, 0, 0, 0,	399	0, 0, 0, 0,
374	coro_cv_free	400	coro_cv_free
375	};	401	};
376		402
377	#define CORO_MAGIC(sv,type) \	403	#define CORO_MAGIC(sv, type) \
378	SvMAGIC (sv) \	404	SvMAGIC (sv) \
379	? SvMAGIC (sv)->mg_type == type \	405	? SvMAGIC (sv)->mg_type == type \
380	? SvMAGIC (sv) \	406	? SvMAGIC (sv) \
381	: mg_find (sv, type) \	407	: mg_find (sv, type) \
382	: 0	408	: 0
383		409
384	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)	410	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
385	#define CORO_MAGIC_state(sv) CORO_MAGIC (((SV *)(sv)), CORO_MAGIC_type_state)	411	#define CORO_MAGIC_state(sv) CORO_MAGIC (((SV *)(sv)), CORO_MAGIC_type_state)
386		412
387	static struct coro *	413	static struct coro *
…		…
420	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))	446	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))
421	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];	447	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
422	else	448	else
423	{	449	{
424	#if CORO_PREFER_PERL_FUNCTIONS	450	#if CORO_PREFER_PERL_FUNCTIONS
425	/* this is probably cleaner, but also slower? */	451	/* this is probably cleaner? but also slower! */
		452	/* in practise, it seems to be less stable */
426	CV *cp = Perl_cv_clone (cv);	453	CV *cp = Perl_cv_clone (cv);
427	CvPADLIST (cv) = CvPADLIST (cp);	454	CvPADLIST (cv) = CvPADLIST (cp);
428	CvPADLIST (cp) = 0;	455	CvPADLIST (cp) = 0;
429	SvREFCNT_dec (cp);	456	SvREFCNT_dec (cp);
430	#else	457	#else
…		…
616		643
617	/*	644	/*
618	* destroy the stacks, the callchain etc...	645	* destroy the stacks, the callchain etc...
619	*/	646	*/
620	static void	647	static void
621	coro_destroy_stacks (pTHX)	648	coro_destruct_stacks (pTHX)
622	{	649	{
623	while (PL_curstackinfo->si_next)	650	while (PL_curstackinfo->si_next)
624	PL_curstackinfo = PL_curstackinfo->si_next;	651	PL_curstackinfo = PL_curstackinfo->si_next;
625		652
626	while (PL_curstackinfo)	653	while (PL_curstackinfo)
…		…
663	#undef VAR	690	#undef VAR
664	}	691	}
665	else	692	else
666	slot = coro->slot;	693	slot = coro->slot;
667		694
		695	if (slot)
		696	{
668	rss += sizeof (slot->curstackinfo);	697	rss += sizeof (slot->curstackinfo);
669	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);	698	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
670	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);	699	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);
671	rss += slot->tmps_max * sizeof (SV *);	700	rss += slot->tmps_max * sizeof (SV *);
672	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);	701	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
673	rss += slot->scopestack_max * sizeof (I32);	702	rss += slot->scopestack_max * sizeof (I32);
674	rss += slot->savestack_max * sizeof (ANY);	703	rss += slot->savestack_max * sizeof (ANY);
675		704
676	#if !PERL_VERSION_ATLEAST (5,10,0)	705	#if !PERL_VERSION_ATLEAST (5,10,0)
677	rss += slot->retstack_max * sizeof (OP *);	706	rss += slot->retstack_max * sizeof (OP *);
678	#endif	707	#endif
		708	}
679	}	709	}
680		710
681	return rss;	711	return rss;
682	}	712	}
683		713
684	/ coroutine stack handling **********************************************/	714	/ coroutine stack handling **********************************************/
685		715
686	static int (orig_sigelem_get) (pTHX_ SV sv, MAGIC *mg);	716	static int (orig_sigelem_get) (pTHX_ SV sv, MAGIC *mg);
687	static int (orig_sigelem_set) (pTHX_ SV sv, MAGIC *mg);	717	static int (orig_sigelem_set) (pTHX_ SV sv, MAGIC *mg);
		718	static int (orig_sigelem_clr) (pTHX_ SV sv, MAGIC *mg);
688		719
689	/* apparently < 5.8.8 */	720	/* apparently < 5.8.8 */
690	#undef MgPV_nolen_const
691	#ifndef MgPV_nolen_const	721	#ifndef MgPV_nolen_const
692	#define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \	722	#define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \
693	SvPV_nolen_const((SV*)((mg)->mg_ptr)) : \	723	SvPV_nolen((SV*)((mg)->mg_ptr)) : \
694	(const char*)(mg)->mg_ptr)	724	(const char*)(mg)->mg_ptr)
695	#endif	725	#endif
696		726
697	/*	727	/*
698	* This overrides the default magic get method of %SIG elements.	728	* This overrides the default magic get method of %SIG elements.
…		…
708	{	738	{
709	const char *s = MgPV_nolen_const (mg);	739	const char *s = MgPV_nolen_const (mg);
710		740
711	if (*s == '_')	741	if (*s == '_')
712	{	742	{
713	if (strEQ (s, "__DIE__" ) && PL_diehook ) return sv_setsv (sv, PL_diehook ), 0;	743	SV **svp = 0;
714	if (strEQ (s, "__WARN__") && PL_warnhook) return sv_setsv (sv, PL_warnhook), 0;	744
		745	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		746	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		747
		748	if (svp)
		749	{
		750	sv_setsv (sv, svp ? svp : &PL_sv_undef);
		751	return 0;
		752	}
715	}	753	}
716		754
717	return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0;	755	return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0;
		756	}
		757
		758	static int
		759	coro_sigelem_clr (pTHX_ SV sv, MAGIC mg)
		760	{
		761	const char *s = MgPV_nolen_const (mg);
		762
		763	if (*s == '_')
		764	{
		765	SV **svp = 0;
		766
		767	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		768	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		769
		770	if (svp)
		771	{
		772	SV old = svp;
		773	*svp = 0;
		774	SvREFCNT_dec (old);
		775	return 0;
		776	}
		777	}
		778
		779	return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0;
718	}	780	}
719		781
720	static int	782	static int
721	coro_sigelem_set (pTHX_ SV sv, MAGIC mg)	783	coro_sigelem_set (pTHX_ SV sv, MAGIC mg)
722	{	784	{
…		…
769	GvSV (PL_defgv) = newSV (0);	831	GvSV (PL_defgv) = newSV (0);
770	GvAV (PL_defgv) = coro->args; coro->args = 0;	832	GvAV (PL_defgv) = coro->args; coro->args = 0;
771	GvSV (PL_errgv) = newSV (0);	833	GvSV (PL_errgv) = newSV (0);
772	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);	834	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
773	PL_rs = newSVsv (GvSV (irsgv));	835	PL_rs = newSVsv (GvSV (irsgv));
774	PL_defoutgv = (GV *)SvREFCNT_inc (stdoutgv);	836	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);
775		837
776	{	838	{
777	dSP;	839	dSP;
778	LOGOP myop;	840	LOGOP myop;
779		841
…		…
796	*/	858	*/
797	ENTER;	859	ENTER;
798	}	860	}
799		861
800	static void	862	static void
801	coro_destroy (pTHX_ struct coro *coro)	863	coro_destruct (pTHX_ struct coro *coro)
802	{	864	{
803	if (!IN_DESTRUCT)	865	if (!IN_DESTRUCT)
804	{	866	{
805	/* restore all saved variables and stuff */	867	/* restore all saved variables and stuff */
806	LEAVE_SCOPE (0);	868	LEAVE_SCOPE (0);
…		…
828	SvREFCNT_dec (PL_warnhook);	890	SvREFCNT_dec (PL_warnhook);
829		891
830	SvREFCNT_dec (coro->saved_deffh);	892	SvREFCNT_dec (coro->saved_deffh);
831	SvREFCNT_dec (coro->throw);	893	SvREFCNT_dec (coro->throw);
832		894
833	coro_destroy_stacks (aTHX);	895	coro_destruct_stacks (aTHX);
834	}	896	}
835		897
836	static void	898	static void
837	free_coro_mortal (pTHX)	899	free_coro_mortal (pTHX)
838	{	900	{
…		…
875	: cx->blk_gimme == G_SCALAR ? bot + 1	937	: cx->blk_gimme == G_SCALAR ? bot + 1
876	: bot;	938	: bot;
877		939
878	av_extend (av, top - bot);	940	av_extend (av, top - bot);
879	while (bot < top)	941	while (bot < top)
880	av_push (av, SvREFCNT_inc (*bot++));	942	av_push (av, SvREFCNT_inc_NN (*bot++));
881		943
882	PL_runops = RUNOPS_DEFAULT;	944	PL_runops = RUNOPS_DEFAULT;
883	ENTER;	945	ENTER;
884	SAVETMPS;	946	SAVETMPS;
885	EXTEND (SP, 3);	947	EXTEND (SP, 3);
…		…
968	}	1030	}
969		1031
970	/* inject a fake call to Coro::State::_cctx_init into the execution */	1032	/* inject a fake call to Coro::State::_cctx_init into the execution */
971	/* _cctx_init should be careful, as it could be called at almost any time */	1033	/* _cctx_init should be careful, as it could be called at almost any time */
972	/* during execution of a perl program */	1034	/* during execution of a perl program */
		1035	/* also initialises PL_top_env */
973	static void NOINLINE	1036	static void NOINLINE
974	cctx_prepare (pTHX_ coro_cctx *cctx)	1037	cctx_prepare (pTHX_ coro_cctx *cctx)
975	{	1038	{
976	dSP;	1039	dSP;
977	LOGOP myop;	1040	LOGOP myop;
…		…
993	PL_op = (OP *)&myop;	1056	PL_op = (OP *)&myop;
994	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	1057	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
995	SPAGAIN;	1058	SPAGAIN;
996	}	1059	}
997		1060
		1061	/* the tail of transfer: execute stuff we can onyl do afetr a transfer */
		1062	static void
		1063	transfer_tail (void)
		1064	{
		1065	UNLOCK;
		1066
		1067	if (expect_false (next_has_throw))
		1068	{
		1069	struct coro *coro = SvSTATE (coro_current);
		1070
		1071	if (coro->throw)
		1072	{
		1073	SV *exception = coro->throw;
		1074	coro->throw = 0;
		1075	sv_setsv (ERRSV, exception);
		1076	croak (0);
		1077	}
		1078	}
		1079	}
		1080
998	/*	1081	/*
999	* this is a _very_ stripped down perl interpreter ;)	1082	* this is a _very_ stripped down perl interpreter ;)
1000	*/	1083	*/
1001	static void	1084	static void
1002	cctx_run (void *arg)	1085	cctx_run (void *arg)
1003	{	1086	{
		1087	#ifdef USE_ITHREADS
		1088	# if CORO_PTHREAD
		1089	PERL_SET_CONTEXT (coro_thx);
		1090	# endif
		1091	#endif
		1092	{
1004	dTHX;	1093	dTHX;
1005		1094
1006	/* cctx_run is the alternative tail of transfer(), so unlock here. */
1007	UNLOCK;
1008
1009	/* we now skip the entersub that lead to transfer() */	1095	/* we now skip the entersub that lead to transfer () */
1010	PL_op = PL_op->op_next;	1096	PL_op = PL_op->op_next;
1011		1097
1012	/* inject a fake subroutine call to cctx_init */	1098	/* inject a fake subroutine call to cctx_init */
1013	cctx_prepare (aTHX_ (coro_cctx *)arg);	1099	cctx_prepare (aTHX_ (coro_cctx *)arg);
1014		1100
		1101	/* cctx_run is the alternative tail of transfer () */
		1102	transfer_tail ();
		1103
1015	/* somebody or something will hit me for both perl_run and PL_restartop */	1104	/* somebody or something will hit me for both perl_run and PL_restartop */
1016	PL_restartop = PL_op;	1105	PL_restartop = PL_op;
1017	perl_run (PL_curinterp);	1106	perl_run (PL_curinterp);
1018		1107
1019	/*	1108	/*
1020	* If perl-run returns we assume exit() was being called or the coro	1109	* If perl-run returns we assume exit() was being called or the coro
1021	* fell off the end, which seems to be the only valid (non-bug)	1110	* fell off the end, which seems to be the only valid (non-bug)
1022	* reason for perl_run to return. We try to exit by jumping to the	1111	* reason for perl_run to return. We try to exit by jumping to the
1023	* bootstrap-time "top" top_env, as we cannot restore the "main"	1112	* bootstrap-time "top" top_env, as we cannot restore the "main"
1024	* coroutine as Coro has no such concept	1113	* coroutine as Coro has no such concept
1025	*/	1114	*/
1026	PL_top_env = main_top_env;	1115	PL_top_env = main_top_env;
1027	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */	1116	JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */
		1117	}
1028	}	1118	}
1029		1119
1030	static coro_cctx *	1120	static coro_cctx *
1031	cctx_new ()	1121	cctx_new ()
1032	{	1122	{
1033	coro_cctx *cctx;	1123	coro_cctx *cctx;
		1124
		1125	++cctx_count;
		1126	New (0, cctx, 1, coro_cctx);
		1127
		1128	cctx->gen = cctx_gen;
		1129	cctx->flags = 0;
		1130	cctx->idle_sp = 0; /* can be accessed by transfer between cctx_run and set_stacklevel */
		1131
		1132	return cctx;
		1133	}
		1134
		1135	/* create a new cctx only suitable as source */
		1136	static coro_cctx *
		1137	cctx_new_empty ()
		1138	{
		1139	coro_cctx *cctx = cctx_new ();
		1140
		1141	cctx->sptr = 0;
		1142	coro_create (&cctx->cctx, 0, 0, 0, 0);
		1143
		1144	return cctx;
		1145	}
		1146
		1147	/* create a new cctx suitable as destination/running a perl interpreter */
		1148	static coro_cctx *
		1149	cctx_new_run ()
		1150	{
		1151	coro_cctx *cctx = cctx_new ();
1034	void *stack_start;	1152	void *stack_start;
1035	size_t stack_size;	1153	size_t stack_size;
1036		1154
1037	++cctx_count;
1038
1039	Newz (0, cctx, 1, coro_cctx);
1040
1041	#if HAVE_MMAP	1155	#if HAVE_MMAP
1042	cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;	1156	cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;
1043	/* mmap supposedly does allocate-on-write for us */	1157	/* mmap supposedly does allocate-on-write for us */
1044	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);	1158	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);
1045		1159
1046	if (cctx->sptr != (void *)-1)	1160	if (cctx->sptr != (void *)-1)
1047	{	1161	{
…		…
1053	cctx->flags \|= CC_MAPPED;	1167	cctx->flags \|= CC_MAPPED;
1054	}	1168	}
1055	else	1169	else
1056	#endif	1170	#endif
1057	{	1171	{
1058	cctx->ssize = coro_stacksize * (long)sizeof (long);	1172	cctx->ssize = cctx_stacksize * (long)sizeof (long);
1059	New (0, cctx->sptr, coro_stacksize, long);	1173	New (0, cctx->sptr, cctx_stacksize, long);
1060		1174
1061	if (!cctx->sptr)	1175	if (!cctx->sptr)
1062	{	1176	{
1063	perror ("FATAL: unable to allocate stack for coroutine");	1177	perror ("FATAL: unable to allocate stack for coroutine");
1064	_exit (EXIT_FAILURE);	1178	_exit (EXIT_FAILURE);
…		…
1079	{	1193	{
1080	if (!cctx)	1194	if (!cctx)
1081	return;	1195	return;
1082		1196
1083	--cctx_count;	1197	--cctx_count;
		1198	coro_destroy (&cctx->cctx);
1084		1199
		1200	/* coro_transfer creates new, empty cctx's */
		1201	if (cctx->sptr)
		1202	{
1085	#if CORO_USE_VALGRIND	1203	#if CORO_USE_VALGRIND
1086	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);	1204	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
1087	#endif	1205	#endif
1088		1206
1089	#if HAVE_MMAP	1207	#if HAVE_MMAP
1090	if (cctx->flags & CC_MAPPED)	1208	if (cctx->flags & CC_MAPPED)
1091	munmap (cctx->sptr, cctx->ssize);	1209	munmap (cctx->sptr, cctx->ssize);
1092	else	1210	else
1093	#endif	1211	#endif
1094	Safefree (cctx->sptr);	1212	Safefree (cctx->sptr);
		1213	}
1095		1214
1096	Safefree (cctx);	1215	Safefree (cctx);
1097	}	1216	}
1098		1217
1099	/* wether this cctx should be destructed */	1218	/* wether this cctx should be destructed */
1100	#define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize \|\| ((cctx)->flags & CC_NOREUSE))	1219	#define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen \|\| ((cctx)->flags & CC_NOREUSE))
1101		1220
1102	static coro_cctx *	1221	static coro_cctx *
1103	cctx_get (pTHX)	1222	cctx_get (pTHX)
1104	{	1223	{
1105	while (expect_true (cctx_first))	1224	while (expect_true (cctx_first))
…		…
1112	return cctx;	1231	return cctx;
1113		1232
1114	cctx_destroy (cctx);	1233	cctx_destroy (cctx);
1115	}	1234	}
1116		1235
1117	return cctx_new ();	1236	return cctx_new_run ();
1118	}	1237	}
1119		1238
1120	static void	1239	static void
1121	cctx_put (coro_cctx *cctx)	1240	cctx_put (coro_cctx *cctx)
1122	{	1241	{
		1242	assert (("cctx_put called on non-initialised cctx", cctx->sptr));
		1243
1123	/* free another cctx if overlimit */	1244	/* free another cctx if overlimit */
1124	if (expect_false (cctx_idle >= MAX_IDLE_CCTX))	1245	if (expect_false (cctx_idle >= cctx_max_idle))
1125	{	1246	{
1126	coro_cctx *first = cctx_first;	1247	coro_cctx *first = cctx_first;
1127	cctx_first = first->next;	1248	cctx_first = first->next;
1128	--cctx_idle;	1249	--cctx_idle;
1129		1250
…		…
1161	/* always use the TRANSFER macro */	1282	/* always use the TRANSFER macro */
1162	static void NOINLINE	1283	static void NOINLINE
1163	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)	1284	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)
1164	{	1285	{
1165	dSTACKLEVEL;	1286	dSTACKLEVEL;
1166	static volatile int has_throw;
1167		1287
1168	/* sometimes transfer is only called to set idle_sp */	1288	/* sometimes transfer is only called to set idle_sp */
1169	if (expect_false (!next))	1289	if (expect_false (!next))
1170	{	1290	{
1171	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1291	((coro_cctx *)prev)->idle_sp = STACKLEVEL;
…		…
1175	{	1295	{
1176	coro_cctx *prev__cctx;	1296	coro_cctx *prev__cctx;
1177		1297
1178	if (expect_false (prev->flags & CF_NEW))	1298	if (expect_false (prev->flags & CF_NEW))
1179	{	1299	{
1180	/* create a new empty context */	1300	/* create a new empty/source context */
1181	Newz (0, prev->cctx, 1, coro_cctx);	1301	prev->cctx = cctx_new_empty ();
1182	prev->flags &= ~CF_NEW;	1302	prev->flags &= ~CF_NEW;
1183	prev->flags \|= CF_RUNNING;	1303	prev->flags \|= CF_RUNNING;
1184	}	1304	}
1185		1305
1186	prev->flags &= ~CF_RUNNING;	1306	prev->flags &= ~CF_RUNNING;
…		…
1201	else	1321	else
1202	load_perl (aTHX_ next);	1322	load_perl (aTHX_ next);
1203		1323
1204	prev__cctx = prev->cctx;	1324	prev__cctx = prev->cctx;
1205		1325
		1326	if (prev__cctx->idle_sp == STACKLEVEL) asm volatile("");//D
		1327
1206	/* possibly "free" the cctx */	1328	/* possibly "free" the cctx */
1207	if (expect_true (	1329	if (expect_true (
1208	prev__cctx->idle_sp == STACKLEVEL	1330	prev__cctx->idle_sp == STACKLEVEL
1209	&& !(prev__cctx->flags & CC_TRACE)	1331	&& !(prev__cctx->flags & CC_TRACE)
1210	&& !force_cctx	1332	&& !force_cctx
…		…
1227	++next->usecount;	1349	++next->usecount;
1228		1350
1229	if (expect_true (!next->cctx))	1351	if (expect_true (!next->cctx))
1230	next->cctx = cctx_get (aTHX);	1352	next->cctx = cctx_get (aTHX);
1231		1353
1232	has_throw = !!next->throw;	1354	next_has_throw = !!next->throw;
1233		1355
1234	if (expect_false (prev__cctx != next->cctx))	1356	if (expect_false (prev__cctx != next->cctx))
1235	{	1357	{
1236	prev__cctx->top_env = PL_top_env;	1358	prev__cctx->top_env = PL_top_env;
1237	PL_top_env = next->cctx->top_env;	1359	PL_top_env = next->cctx->top_env;
…		…
1239	}	1361	}
1240		1362
1241	free_coro_mortal (aTHX);	1363	free_coro_mortal (aTHX);
1242	UNLOCK;	1364	UNLOCK;
1243		1365
1244	if (expect_false (has_throw))	1366	transfer_tail ();
1245	{
1246	struct coro *coro = SvSTATE (coro_current);
1247
1248	if (coro->throw)
1249	{
1250	SV *exception = coro->throw;
1251	coro->throw = 0;
1252	sv_setsv (ERRSV, exception);
1253	croak (0);
1254	}
1255	}
1256	}	1367	}
1257	}	1368	}
1258		1369
1259	struct transfer_args	1370	struct transfer_args
1260	{	1371	{
…		…
1293	croak ("FATAL: tried to destroy currently running coroutine");	1404	croak ("FATAL: tried to destroy currently running coroutine");
1294		1405
1295	save_perl (aTHX_ &temp);	1406	save_perl (aTHX_ &temp);
1296	load_perl (aTHX_ coro);	1407	load_perl (aTHX_ coro);
1297		1408
1298	coro_destroy (aTHX_ coro);	1409	coro_destruct (aTHX_ coro);
1299		1410
1300	load_perl (aTHX_ &temp);	1411	load_perl (aTHX_ &temp);
1301		1412
1302	coro->slot = 0;	1413	coro->slot = 0;
1303	}	1414	}
…		…
1409	LOCK;	1520	LOCK;
1410		1521
1411	sv_hook = coro_nready ? 0 : coro_readyhook;	1522	sv_hook = coro_nready ? 0 : coro_readyhook;
1412	xs_hook = coro_nready ? 0 : coroapi.readyhook;	1523	xs_hook = coro_nready ? 0 : coroapi.readyhook;
1413		1524
1414	coro_enq (aTHX_ SvREFCNT_inc (coro_sv));	1525	coro_enq (aTHX_ SvREFCNT_inc_NN (coro_sv));
1415	++coro_nready;	1526	++coro_nready;
1416		1527
1417	UNLOCK;	1528	UNLOCK;
1418		1529
1419	if (sv_hook)	1530	if (sv_hook)
…		…
1574	struct coro *coro = SvSTATE (coro_sv);	1685	struct coro *coro = SvSTATE (coro_sv);
1575		1686
1576	if (flags & CC_TRACE)	1687	if (flags & CC_TRACE)
1577	{	1688	{
1578	if (!coro->cctx)	1689	if (!coro->cctx)
1579	coro->cctx = cctx_new ();	1690	coro->cctx = cctx_new_run ();
1580	else if (!(coro->cctx->flags & CC_TRACE))	1691	else if (!(coro->cctx->flags & CC_TRACE))
1581	croak ("cannot enable tracing on coroutine with custom stack");	1692	croak ("cannot enable tracing on coroutine with custom stack");
1582		1693
1583	coro->cctx->flags \|= CC_NOREUSE \| (flags & (CC_TRACE \| CC_TRACE_ALL));	1694	coro->cctx->flags \|= CC_NOREUSE \| (flags & (CC_TRACE \| CC_TRACE_ALL));
1584	}	1695	}
…		…
1591	else	1702	else
1592	coro->slot->runops = RUNOPS_DEFAULT;	1703	coro->slot->runops = RUNOPS_DEFAULT;
1593	}	1704	}
1594	}	1705	}
1595		1706
		1707	#if 0
		1708	static int
		1709	coro_gensub_free (pTHX_ SV sv, MAGIC mg)
		1710	{
		1711	AV *padlist;
		1712	AV av = (AV )mg->mg_obj;
		1713
		1714	abort ();
		1715
		1716	return 0;
		1717	}
		1718
		1719	static MGVTBL coro_gensub_vtbl = {
		1720	0, 0, 0, 0,
		1721	coro_gensub_free
		1722	};
		1723	#endif
		1724
		1725	/*****************************************************************************/
		1726	/* PerlIO::cede */
		1727
		1728	typedef struct
		1729	{
		1730	PerlIOBuf base;
		1731	NV next, every;
		1732	} PerlIOCede;
		1733
		1734	static IV
		1735	PerlIOCede_pushed (pTHX_ PerlIO f, const char mode, SV arg, PerlIO_funcs tab)
		1736	{
		1737	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1738
		1739	self->every = SvCUR (arg) ? SvNV (arg) : 0.01;
		1740	self->next = nvtime () + self->every;
		1741
		1742	return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab);
		1743	}
		1744
		1745	static SV *
		1746	PerlIOCede_getarg (pTHX_ PerlIO f, CLONE_PARAMS param, int flags)
		1747	{
		1748	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1749
		1750	return newSVnv (self->every);
		1751	}
		1752
		1753	static IV
		1754	PerlIOCede_flush (pTHX_ PerlIO *f)
		1755	{
		1756	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1757	double now = nvtime ();
		1758
		1759	if (now >= self->next)
		1760	{
		1761	api_cede ();
		1762	self->next = now + self->every;
		1763	}
		1764
		1765	return PerlIOBuf_flush (aTHX_ f);
		1766	}
		1767
		1768	static PerlIO_funcs PerlIO_cede =
		1769	{
		1770	sizeof(PerlIO_funcs),
		1771	"cede",
		1772	sizeof(PerlIOCede),
		1773	PERLIO_K_DESTRUCT \| PERLIO_K_RAW,
		1774	PerlIOCede_pushed,
		1775	PerlIOBuf_popped,
		1776	PerlIOBuf_open,
		1777	PerlIOBase_binmode,
		1778	PerlIOCede_getarg,
		1779	PerlIOBase_fileno,
		1780	PerlIOBuf_dup,
		1781	PerlIOBuf_read,
		1782	PerlIOBuf_unread,
		1783	PerlIOBuf_write,
		1784	PerlIOBuf_seek,
		1785	PerlIOBuf_tell,
		1786	PerlIOBuf_close,
		1787	PerlIOCede_flush,
		1788	PerlIOBuf_fill,
		1789	PerlIOBase_eof,
		1790	PerlIOBase_error,
		1791	PerlIOBase_clearerr,
		1792	PerlIOBase_setlinebuf,
		1793	PerlIOBuf_get_base,
		1794	PerlIOBuf_bufsiz,
		1795	PerlIOBuf_get_ptr,
		1796	PerlIOBuf_get_cnt,
		1797	PerlIOBuf_set_ptrcnt,
		1798	};
		1799
		1800
1596	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	1801	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1597		1802
1598	PROTOTYPES: DISABLE	1803	PROTOTYPES: DISABLE
1599		1804
1600	BOOT:	1805	BOOT:
1601	{	1806	{
1602	#ifdef USE_ITHREADS	1807	#ifdef USE_ITHREADS
1603	MUTEX_INIT (&coro_mutex);	1808	MUTEX_INIT (&coro_lock);
		1809	# if CORO_PTHREAD
		1810	coro_thx = PERL_GET_CONTEXT;
		1811	# endif
1604	#endif	1812	#endif
1605	BOOT_PAGESIZE;	1813	BOOT_PAGESIZE;
1606		1814
1607	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);	1815	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
1608	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);	1816	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
1609		1817
1610	orig_sigelem_get = PL_vtbl_sigelem.svt_get;	1818	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;
1611	PL_vtbl_sigelem.svt_get = coro_sigelem_get;	1819	orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;
1612	orig_sigelem_set = PL_vtbl_sigelem.svt_set;	1820	orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr;
1613	PL_vtbl_sigelem.svt_set = coro_sigelem_set;
1614		1821
1615	hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);	1822	hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);
1616	rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));	1823	rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));
1617	rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));	1824	rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));
1618		1825
…		…
1630	main_top_env = main_top_env->je_prev;	1837	main_top_env = main_top_env->je_prev;
1631		1838
1632	coroapi.ver = CORO_API_VERSION;	1839	coroapi.ver = CORO_API_VERSION;
1633	coroapi.rev = CORO_API_REVISION;	1840	coroapi.rev = CORO_API_REVISION;
1634	coroapi.transfer = api_transfer;	1841	coroapi.transfer = api_transfer;
		1842
		1843	{
		1844	SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0);
		1845
		1846	if (!svp) croak ("Time::HiRes is required");
		1847	if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");
		1848
		1849	nvtime = INT2PTR (double ()(), SvIV (svp));
		1850	}
1635		1851
1636	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	1852	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
1637	}	1853	}
1638		1854
1639	SV *	1855	SV *
…		…
1687	ta.next = 0;	1903	ta.next = 0;
1688	break;	1904	break;
1689		1905
1690	case 1:	1906	case 1:
1691	if (items != 2)	1907	if (items != 2)
1692	croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items);	1908	croak ("Coro::State::transfer (prev, next) expects two arguments, not %d", items);
1693		1909
1694	prepare_transfer (aTHX_ &ta, ST (0), ST (1));	1910	prepare_transfer (aTHX_ &ta, ST (0), ST (1));
1695	break;	1911	break;
1696		1912
1697	case 2:	1913	case 2:
…		…
1731	_exit (code);	1947	_exit (code);
1732		1948
1733	int	1949	int
1734	cctx_stacksize (int new_stacksize = 0)	1950	cctx_stacksize (int new_stacksize = 0)
1735	CODE:	1951	CODE:
1736	RETVAL = coro_stacksize;	1952	RETVAL = cctx_stacksize;
1737	if (new_stacksize)	1953	if (new_stacksize)
		1954	{
1738	coro_stacksize = new_stacksize;	1955	cctx_stacksize = new_stacksize;
		1956	++cctx_gen;
		1957	}
		1958	OUTPUT:
		1959	RETVAL
		1960
		1961	int
		1962	cctx_max_idle (int max_idle = 0)
		1963	CODE:
		1964	RETVAL = cctx_max_idle;
		1965	if (max_idle > 1)
		1966	cctx_max_idle = max_idle;
1739	OUTPUT:	1967	OUTPUT:
1740	RETVAL	1968	RETVAL
1741		1969
1742	int	1970	int
1743	cctx_count ()	1971	cctx_count ()
…		…
1767	call (Coro::State coro, SV *coderef)	1995	call (Coro::State coro, SV *coderef)
1768	ALIAS:	1996	ALIAS:
1769	eval = 1	1997	eval = 1
1770	CODE:	1998	CODE:
1771	{	1999	{
1772	if (coro->mainstack)	2000	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))
1773	{	2001	{
1774	struct coro temp;	2002	struct coro temp;
1775		2003
1776	if (!(coro->flags & CF_RUNNING))	2004	if (!(coro->flags & CF_RUNNING))
1777	{	2005	{
…		…
1839	CODE:	2067	CODE:
1840	RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL;	2068	RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL;
1841	OUTPUT:	2069	OUTPUT:
1842	RETVAL	2070	RETVAL
1843		2071
1844	IV	2072	UV
1845	rss (Coro::State coro)	2073	rss (Coro::State coro)
1846	PROTOTYPE: $	2074	PROTOTYPE: $
1847	ALIAS:	2075	ALIAS:
1848	usecount = 1	2076	usecount = 1
1849	CODE:	2077	CODE:
…		…
1859	force_cctx ()	2087	force_cctx ()
1860	CODE:	2088	CODE:
1861	struct coro *coro = SvSTATE (coro_current);	2089	struct coro *coro = SvSTATE (coro_current);
1862	coro->cctx->idle_sp = 0;	2090	coro->cctx->idle_sp = 0;
1863		2091
1864	MODULE = Coro::State PACKAGE = Coro
1865
1866	BOOT:
1867	{
1868	int i;
1869
1870	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
1871	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
1872	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
1873
1874	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);
1875	SvREADONLY_on (coro_current);
1876
1877	coro_stash = gv_stashpv ("Coro", TRUE);
1878
1879	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
1880	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
1881	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
1882	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
1883	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));
1884	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));
1885
1886	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
1887	coro_ready[i] = newAV ();
1888
1889	{
1890	SV *sv = perl_get_sv ("Coro::API", TRUE);
1891	perl_get_sv ("Coro::API", TRUE); /* silence 5.10 warning */
1892
1893	coroapi.schedule = api_schedule;
1894	coroapi.cede = api_cede;
1895	coroapi.cede_notself = api_cede_notself;
1896	coroapi.ready = api_ready;
1897	coroapi.is_ready = api_is_ready;
1898	coroapi.nready = &coro_nready;
1899	coroapi.current = coro_current;
1900
1901	GCoroAPI = &coroapi;
1902	sv_setiv (sv, (IV)&coroapi);
1903	SvREADONLY_on (sv);
1904	}
1905	}
1906
1907	void
1908	_set_current (SV *current)
1909	PROTOTYPE: $
1910	CODE:
1911	SvREFCNT_dec (SvRV (coro_current));
1912	SvRV_set (coro_current, SvREFCNT_inc (SvRV (current)));
1913
1914	void
1915	_set_readyhook (SV *hook)
1916	PROTOTYPE: $
1917	CODE:
1918	LOCK;
1919	SvREFCNT_dec (coro_readyhook);
1920	coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;
1921	UNLOCK;
1922
1923	int
1924	prio (Coro::State coro, int newprio = 0)
1925	ALIAS:
1926	nice = 1
1927	CODE:
1928	{
1929	RETVAL = coro->prio;
1930
1931	if (items > 1)
1932	{
1933	if (ix)
1934	newprio = coro->prio - newprio;
1935
1936	if (newprio < PRIO_MIN) newprio = PRIO_MIN;
1937	if (newprio > PRIO_MAX) newprio = PRIO_MAX;
1938
1939	coro->prio = newprio;
1940	}
1941	}
1942	OUTPUT:
1943	RETVAL
1944
1945	SV *
1946	ready (SV *self)
1947	PROTOTYPE: $
1948	CODE:
1949	RETVAL = boolSV (api_ready (self));
1950	OUTPUT:
1951	RETVAL
1952
1953	int
1954	nready (...)
1955	PROTOTYPE:
1956	CODE:
1957	RETVAL = coro_nready;
1958	OUTPUT:
1959	RETVAL
1960
1961	void
1962	throw (Coro::State self, SV *throw = &PL_sv_undef)
1963	PROTOTYPE: $;$
1964	CODE:
1965	SvREFCNT_dec (self->throw);
1966	self->throw = SvOK (throw) ? newSVsv (throw) : 0;
1967
1968	void	2092	void
1969	swap_defsv (Coro::State self)	2093	swap_defsv (Coro::State self)
1970	PROTOTYPE: $	2094	PROTOTYPE: $
1971	ALIAS:	2095	ALIAS:
1972	swap_defav = 1	2096	swap_defav = 1
…		…
1979	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;	2103	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;
1980		2104
1981	SV tmp = src; src = dst; *dst = tmp;	2105	SV tmp = src; src = dst; *dst = tmp;
1982	}	2106	}
1983		2107
		2108	MODULE = Coro::State PACKAGE = Coro
		2109
		2110	BOOT:
		2111	{
		2112	int i;
		2113
		2114	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
		2115	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
		2116	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
		2117
		2118	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);
		2119	SvREADONLY_on (coro_current);
		2120
		2121	coro_stash = gv_stashpv ("Coro", TRUE);
		2122
		2123	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
		2124	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
		2125	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
		2126	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
		2127	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));
		2128	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));
		2129
		2130	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
		2131	coro_ready[i] = newAV ();
		2132
		2133	{
		2134	SV *sv = perl_get_sv ("Coro::API", TRUE);
		2135	perl_get_sv ("Coro::API", TRUE); /* silence 5.10 warning */
		2136
		2137	coroapi.schedule = api_schedule;
		2138	coroapi.cede = api_cede;
		2139	coroapi.cede_notself = api_cede_notself;
		2140	coroapi.ready = api_ready;
		2141	coroapi.is_ready = api_is_ready;
		2142	coroapi.nready = &coro_nready;
		2143	coroapi.current = coro_current;
		2144
		2145	GCoroAPI = &coroapi;
		2146	sv_setiv (sv, (IV)&coroapi);
		2147	SvREADONLY_on (sv);
		2148	}
		2149	}
		2150
		2151	void
		2152	_set_current (SV *current)
		2153	PROTOTYPE: $
		2154	CODE:
		2155	SvREFCNT_dec (SvRV (coro_current));
		2156	SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));
		2157
		2158	void
		2159	_set_readyhook (SV *hook)
		2160	PROTOTYPE: $
		2161	CODE:
		2162	LOCK;
		2163	SvREFCNT_dec (coro_readyhook);
		2164	coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;
		2165	UNLOCK;
		2166
		2167	int
		2168	prio (Coro::State coro, int newprio = 0)
		2169	ALIAS:
		2170	nice = 1
		2171	CODE:
		2172	{
		2173	RETVAL = coro->prio;
		2174
		2175	if (items > 1)
		2176	{
		2177	if (ix)
		2178	newprio = coro->prio - newprio;
		2179
		2180	if (newprio < PRIO_MIN) newprio = PRIO_MIN;
		2181	if (newprio > PRIO_MAX) newprio = PRIO_MAX;
		2182
		2183	coro->prio = newprio;
		2184	}
		2185	}
		2186	OUTPUT:
		2187	RETVAL
		2188
		2189	SV *
		2190	ready (SV *self)
		2191	PROTOTYPE: $
		2192	CODE:
		2193	RETVAL = boolSV (api_ready (self));
		2194	OUTPUT:
		2195	RETVAL
		2196
		2197	int
		2198	nready (...)
		2199	PROTOTYPE:
		2200	CODE:
		2201	RETVAL = coro_nready;
		2202	OUTPUT:
		2203	RETVAL
		2204
		2205	void
		2206	throw (Coro::State self, SV *throw = &PL_sv_undef)
		2207	PROTOTYPE: $;$
		2208	CODE:
		2209	SvREFCNT_dec (self->throw);
		2210	self->throw = SvOK (throw) ? newSVsv (throw) : 0;
		2211
1984	# for async_pool speedup	2212	# for async_pool speedup
1985	void	2213	void
1986	_pool_1 (SV *cb)	2214	_pool_1 (SV *cb)
1987	CODE:	2215	CODE:
1988	{	2216	{
…		…
1993	AV *invoke_av;	2221	AV *invoke_av;
1994	int i, len;	2222	int i, len;
1995		2223
1996	if (!invoke)	2224	if (!invoke)
1997	{	2225	{
1998	SvREFCNT_dec (PL_diehook); PL_diehook = 0;	2226	SV *old = PL_diehook;
		2227	PL_diehook = 0;
		2228	SvREFCNT_dec (old);
1999	croak ("\3async_pool terminate\2\n");	2229	croak ("\3async_pool terminate\2\n");
2000	}	2230	}
2001		2231
2002	SvREFCNT_dec (coro->saved_deffh);	2232	SvREFCNT_dec (coro->saved_deffh);
2003	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);	2233	coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv);
2004		2234
2005	hv_store (hv, "desc", sizeof ("desc") - 1,	2235	hv_store (hv, "desc", sizeof ("desc") - 1,
2006	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);	2236	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
2007		2237
2008	invoke_av = (AV *)SvRV (invoke);	2238	invoke_av = (AV *)SvRV (invoke);
…		…
2012		2242
2013	if (len > 0)	2243	if (len > 0)
2014	{	2244	{
2015	av_fill (defav, len - 1);	2245	av_fill (defav, len - 1);
2016	for (i = 0; i < len; ++i)	2246	for (i = 0; i < len; ++i)
2017	av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1]));	2247	av_store (defav, i, SvREFCNT_inc_NN (AvARRAY (invoke_av)[i + 1]));
2018	}	2248	}
2019		2249
2020	SvREFCNT_dec (invoke);	2250	SvREFCNT_dec (invoke);
2021	}	2251	}
2022		2252
…		…
2029	sv_setsv (cb, &PL_sv_undef);	2259	sv_setsv (cb, &PL_sv_undef);
2030		2260
2031	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;	2261	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;
2032	coro->saved_deffh = 0;	2262	coro->saved_deffh = 0;
2033		2263
2034	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)	2264	if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss)
2035	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))	2265	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
2036	{	2266	{
2037	SvREFCNT_dec (PL_diehook); PL_diehook = 0;	2267	SV *old = PL_diehook;
		2268	PL_diehook = 0;
		2269	SvREFCNT_dec (old);
2038	croak ("\3async_pool terminate\2\n");	2270	croak ("\3async_pool terminate\2\n");
2039	}	2271	}
2040		2272
2041	av_clear (GvAV (PL_defgv));	2273	av_clear (GvAV (PL_defgv));
2042	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,	2274	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
…		…
2048	api_trace (coro_current, 0);	2280	api_trace (coro_current, 0);
2049		2281
2050	av_push (av_async_pool, newSVsv (coro_current));	2282	av_push (av_async_pool, newSVsv (coro_current));
2051	}	2283	}
2052		2284
		2285	#if 0
		2286
		2287	void
		2288	_generator_call (...)
		2289	PROTOTYPE: @
		2290	PPCODE:
		2291	fprintf (stderr, "call %p\n", CvXSUBANY(cv).any_ptr);
		2292	xxxx
		2293	abort ();
		2294
		2295	SV *
		2296	gensub (SV *sub, ...)
		2297	PROTOTYPE: &;@
		2298	CODE:
		2299	{
		2300	struct coro *coro;
		2301	MAGIC *mg;
		2302	CV *xcv;
		2303	CV ncv = (CV )newSV_type (SVt_PVCV);
		2304	int i;
		2305
		2306	CvGV (ncv) = CvGV (cv);
		2307	CvFILE (ncv) = CvFILE (cv);
		2308
		2309	Newz (0, coro, 1, struct coro);
		2310	coro->args = newAV ();
		2311	coro->flags = CF_NEW;
		2312
		2313	av_extend (coro->args, items - 1);
		2314	for (i = 1; i < items; i++)
		2315	av_push (coro->args, newSVsv (ST (i)));
		2316
		2317	CvISXSUB_on (ncv);
		2318	CvXSUBANY (ncv).any_ptr = (void *)coro;
		2319
		2320	xcv = GvCV (gv_fetchpv ("Coro::_generator_call", 0, SVt_PVCV));
		2321
		2322	CvXSUB (ncv) = CvXSUB (xcv);
		2323	CvANON_on (ncv);
		2324
		2325	mg = sv_magicext ((SV )ncv, 0, CORO_MAGIC_type_state, &coro_gensub_vtbl, (char )coro, 0);
		2326	RETVAL = newRV_noinc ((SV *)ncv);
		2327	}
		2328	OUTPUT:
		2329	RETVAL
		2330
		2331	#endif
		2332
2053		2333
2054	MODULE = Coro::State PACKAGE = Coro::AIO	2334	MODULE = Coro::State PACKAGE = Coro::AIO
2055		2335
2056	SV *	2336	void
2057	_get_state ()	2337	_get_state (SV *self)
2058	CODE:	2338	PPCODE:
2059	{	2339	{
2060	struct io_state *data;	2340	AV *defav = GvAV (PL_defgv);
2061		2341	AV *av = newAV ();
		2342	int i;
2062	RETVAL = newSV (sizeof (struct io_state));	2343	SV *data_sv = newSV (sizeof (struct io_state));
2063	data = (struct io_state *)SvPVX (RETVAL);	2344	struct io_state data = (struct io_state )SvPVX (data_sv);
2064	SvCUR_set (RETVAL, sizeof (struct io_state));	2345	SvCUR_set (data_sv, sizeof (struct io_state));
2065	SvPOK_only (RETVAL);	2346	SvPOK_only (data_sv);
2066		2347
2067	data->errorno = errno;	2348	data->errorno = errno;
2068	data->laststype = PL_laststype;	2349	data->laststype = PL_laststype;
2069	data->laststatval = PL_laststatval;	2350	data->laststatval = PL_laststatval;
2070	data->statcache = PL_statcache;	2351	data->statcache = PL_statcache;
		2352
		2353	av_extend (av, AvFILLp (defav) + 1 + 1);
		2354
		2355	for (i = 0; i <= AvFILLp (defav); ++i)
		2356	av_push (av, SvREFCNT_inc_NN (AvARRAY (defav)[i]));
		2357
		2358	av_push (av, data_sv);
		2359
		2360	XPUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		2361
		2362	api_ready (self);
2071	}	2363	}
2072	OUTPUT:
2073	RETVAL
2074		2364
2075	void	2365	void
2076	_set_state (char *data_)	2366	_set_state (SV *state)
2077	PROTOTYPE: $	2367	PROTOTYPE: $
2078	CODE:	2368	PPCODE:
2079	{	2369	{
2080	struct io_state data = (void )data_;	2370	AV av = (AV )SvRV (state);
		2371	struct io_state data = (struct io_state )SvPVX (AvARRAY (av)[AvFILLp (av)]);
		2372	int i;
2081		2373
2082	errno = data->errorno;	2374	errno = data->errorno;
2083	PL_laststype = data->laststype;	2375	PL_laststype = data->laststype;
2084	PL_laststatval = data->laststatval;	2376	PL_laststatval = data->laststatval;
2085	PL_statcache = data->statcache;	2377	PL_statcache = data->statcache;
		2378
		2379	EXTEND (SP, AvFILLp (av));
		2380	for (i = 0; i < AvFILLp (av); ++i)
		2381	PUSHs (sv_2mortal (SvREFCNT_inc_NN (AvARRAY (av)[i])));
2086	}	2382	}
2087		2383
2088		2384
2089	MODULE = Coro::State PACKAGE = Coro::AnyEvent	2385	MODULE = Coro::State PACKAGE = Coro::AnyEvent
2090		2386
…		…
2114	}	2410	}
2115		2411
2116	--incede;	2412	--incede;
2117	}	2413	}
2118		2414
		2415
		2416	MODULE = Coro::State PACKAGE = PerlIO::cede
		2417
		2418	BOOT:
		2419	PerlIO_define_layer (aTHX_ &PerlIO_cede);

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Comparing Coro/Coro/State.xs (file contents): Revision 1.238 by root, Sat May 31 12:10:55 2008 UTC vs. Revision 1.259 by root, Mon Nov 10 00:02:29 2008 UTC

Diff Legend

Comparing Coro/Coro/State.xs (file contents):
Revision 1.238 by root, Sat May 31 12:10:55 2008 UTC vs.
Revision 1.259 by root, Mon Nov 10 00:02:29 2008 UTC