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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.129 by root, Fri Dec 22 04:34:04 2006 UTC vs.
Revision 1.140 by root, Sat Jan 20 19:52:15 2007 UTC

…		…
93		93
94	#define IN_DESTRUCT (PL_main_cv == Nullcv)	94	#define IN_DESTRUCT (PL_main_cv == Nullcv)
95		95
96	#if __GNUC__ >= 3	96	#if __GNUC__ >= 3
97	# define attribute(x) __attribute__(x)	97	# define attribute(x) __attribute__(x)
		98	# define BARRIER __asm__ __volatile__ ("" : : : "memory")
98	#else	99	#else
99	# define attribute(x)	100	# define attribute(x)
		101	# define BARRIER
100	#endif	102	#endif
101		103
102	#define NOINLINE attribute ((noinline))	104	#define NOINLINE attribute ((noinline))
103		105
104	#include "CoroAPI.h"	106	#include "CoroAPI.h"
…		…
110	#else	112	#else
111	# define LOCK (void)0	113	# define LOCK (void)0
112	# define UNLOCK (void)0	114	# define UNLOCK (void)0
113	#endif	115	#endif
114		116
		117	/* helper storage struct for Coro::AIO */
115	struct io_state	118	struct io_state
116	{	119	{
117	int errorno;	120	int errorno;
118	I32 laststype;	121	I32 laststype;
119	int laststatval;	122	int laststatval;
…		…
135	/* the stack */	138	/* the stack */
136	void *sptr;	139	void *sptr;
137	long ssize; /* positive == mmap, otherwise malloc */	140	long ssize; /* positive == mmap, otherwise malloc */
138		141
139	/* cpu state */	142	/* cpu state */
140	void idle_sp; / sp of top-level transfer/schedule/cede call */	143	void idle_sp; / sp of top-level transfer/schedule/cede call */
		144	JMPENV idle_te; / same as idle_sp, but for top_env, TODO: remove once stable */
141	JMPENV *top_env;	145	JMPENV *top_env;
142	coro_context cctx;	146	coro_context cctx;
143		147
144	int inuse;	148	int inuse;
145		149
…		…
147	int valgrind_id;	151	int valgrind_id;
148	#endif	152	#endif
149	} coro_cctx;	153	} coro_cctx;
150		154
151	enum {	155	enum {
152	CF_RUNNING = 0x0001, /* coroutine is running */	156	CF_RUNNING = 0x0001, /* coroutine is running */
153	CF_READY = 0x0002, /* coroutine is ready */	157	CF_READY = 0x0002, /* coroutine is ready */
154	CF_NEW = 0x0004, /* ahs never been switched to */	158	CF_NEW = 0x0004, /* has never been switched to */
		159	CF_DESTROYED = 0x0008, /* coroutine data has been freed */
155	};	160	};
156		161
157	/* this is a structure representing a perl-level coroutine */	162	/* this is a structure representing a perl-level coroutine */
158	struct coro {	163	struct coro {
159	/* the c coroutine allocated to this perl coroutine, if any */	164	/* the c coroutine allocated to this perl coroutine, if any */
…		…
180	int prio;	185	int prio;
181	};	186	};
182		187
183	typedef struct coro *Coro__State;	188	typedef struct coro *Coro__State;
184	typedef struct coro *Coro__State_or_hashref;	189	typedef struct coro *Coro__State_or_hashref;
		190
		191	/ Coro ******************************************************************/
		192
		193	#define PRIO_MAX 3
		194	#define PRIO_HIGH 1
		195	#define PRIO_NORMAL 0
		196	#define PRIO_LOW -1
		197	#define PRIO_IDLE -3
		198	#define PRIO_MIN -4
		199
		200	/* for Coro.pm */
		201	static SV *coro_current;
		202	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
		203	static int coro_nready;
		204
		205	/ lowlevel stuff ********************************************************/
185		206
186	static AV *	207	static AV *
187	coro_clone_padlist (CV *cv)	208	coro_clone_padlist (CV *cv)
188	{	209	{
189	AV *padlist = CvPADLIST (cv);	210	AV *padlist = CvPADLIST (cv);
…		…
298	av_extend (av, AvMAX (av) + 1);	319	av_extend (av, AvMAX (av) + 1);
299		320
300	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);	321	AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
301	}	322	}
302		323
		324	/ load & save, init *****************************************************/
		325
303	#define SB do {	326	#define SB do {
304	#define SE } while (0)	327	#define SE } while (0)
305		328
306	#define REPLACE_SV(sv,val) SB SvREFCNT_dec (sv); (sv) = (val); (val) = 0; SE	329	#define REPLACE_SV(sv,val) SB SvREFCNT_dec (sv); (sv) = (val); (val) = 0; SE
307		330
…		…
468		491
469	/* free all temporaries */	492	/* free all temporaries */
470	FREETMPS;	493	FREETMPS;
471	assert (PL_tmps_ix == -1);	494	assert (PL_tmps_ix == -1);
472		495
		496	/* unwind all extra stacks */
473	POPSTACK_TO (PL_mainstack);	497	POPSTACK_TO (PL_mainstack);
		498
		499	/* unwind main stack */
		500	dounwind (-1);
474	}	501	}
475		502
476	while (PL_curstackinfo->si_next)	503	while (PL_curstackinfo->si_next)
477	PL_curstackinfo = PL_curstackinfo->si_next;	504	PL_curstackinfo = PL_curstackinfo->si_next;
478		505
…		…
494	Safefree (PL_savestack);	521	Safefree (PL_savestack);
495	#if !PERL_VERSION_ATLEAST (5,9,0)	522	#if !PERL_VERSION_ATLEAST (5,9,0)
496	Safefree (PL_retstack);	523	Safefree (PL_retstack);
497	#endif	524	#endif
498	}	525	}
		526
		527	/ coroutine stack handling **********************************************/
499		528
500	static void	529	static void
501	setup_coro (struct coro *coro)	530	setup_coro (struct coro *coro)
502	{	531	{
503	/*	532	/*
…		…
696	++cctx_idle;	725	++cctx_idle;
697	cctx->next = cctx_first;	726	cctx->next = cctx_first;
698	cctx_first = cctx;	727	cctx_first = cctx;
699	}	728	}
700		729
		730	/ coroutine switching ***************************************************/
		731
701	/* never call directly, always through the coro_state_transfer global variable */	732	/* never call directly, always through the coro_state_transfer global variable */
702	static void NOINLINE	733	static void NOINLINE
703	transfer (struct coro prev, struct coro next)	734	transfer (struct coro prev, struct coro next)
704	{	735	{
705	dSTACKLEVEL;	736	dSTACKLEVEL;
706		737
707	/* sometimes transfer is only called to set idle_sp */	738	/* sometimes transfer is only called to set idle_sp */
708	if (!next)	739	if (!next)
709	{	740	{
710	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	741	((coro_cctx *)prev)->idle_sp = STACKLEVEL;
711	assert (((coro_cctx )prev)->top_env = PL_top_env); / just for the side effetc when assert is enabled */	742	assert (((coro_cctx )prev)->idle_te = PL_top_env); / just for the side-effect when asserts are enabled */
712	}	743	}
713	else if (prev != next)	744	else if (prev != next)
714	{	745	{
715	coro_cctx *prev__cctx;	746	coro_cctx *prev__cctx;
716		747
…		…
727	if (!prev->flags & CF_RUNNING)	758	if (!prev->flags & CF_RUNNING)
728	croak ("Coro::State::transfer called with non-running prev Coro::State, but can only transfer from running states");	759	croak ("Coro::State::transfer called with non-running prev Coro::State, but can only transfer from running states");
729		760
730	if (next->flags & CF_RUNNING)	761	if (next->flags & CF_RUNNING)
731	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");	762	croak ("Coro::State::transfer called with running next Coro::State, but can only transfer to inactive states");
		763
		764	if (next->flags & CF_DESTROYED)
		765	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
732		766
733	prev->flags &= ~CF_RUNNING;	767	prev->flags &= ~CF_RUNNING;
734	next->flags \|= CF_RUNNING;	768	next->flags \|= CF_RUNNING;
735		769
736	LOCK;	770	LOCK;
…		…
757		791
758	/* possibly "free" the cctx */	792	/* possibly "free" the cctx */
759	if (prev__cctx->idle_sp == STACKLEVEL)	793	if (prev__cctx->idle_sp == STACKLEVEL)
760	{	794	{
761	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */	795	/* I assume that STACKLEVEL is a stronger indicator than PL_top_env changes */
762	assert (PL_top_env == prev__cctx->top_env);	796	assert (("ERROR: current top_env must equal previous top_env", PL_top_env == prev__cctx->idle_te));
763		797
764	prev->cctx = 0;	798	prev->cctx = 0;
765		799
766	cctx_put (prev__cctx);	800	cctx_put (prev__cctx);
767	prev__cctx->inuse = 0;	801	prev__cctx->inuse = 0;
…		…
780	PL_top_env = next->cctx->top_env;	814	PL_top_env = next->cctx->top_env;
781	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);	815	coro_transfer (&prev__cctx->cctx, &next->cctx->cctx);
782	}	816	}
783		817
784	free_coro_mortal ();	818	free_coro_mortal ();
785
786	UNLOCK;	819	UNLOCK;
787	}	820	}
788	}	821	}
789		822
790	struct transfer_args	823	struct transfer_args
…		…
792	struct coro prev, next;	825	struct coro prev, next;
793	};	826	};
794		827
795	#define TRANSFER(ta) transfer ((ta).prev, (ta).next)	828	#define TRANSFER(ta) transfer ((ta).prev, (ta).next)
796		829
		830	/ high level stuff ******************************************************/
		831
797	static void	832	static int
798	coro_state_destroy (struct coro *coro)	833	coro_state_destroy (struct coro *coro)
799	{	834	{
800	if (coro->refcnt--)	835	if (coro->flags & CF_DESTROYED)
801	return;	836	return 0;
		837
		838	coro->flags \|= CF_DESTROYED;
		839
		840	if (coro->flags & CF_READY)
		841	{
		842	/* reduce nready, as destroying a ready coro effectively unreadies it */
		843	/* alternative: look through all ready queues and remove the coro */
		844	LOCK;
		845	--coro_nready;
		846	UNLOCK;
		847	}
		848	else
		849	coro->flags \|= CF_READY; /* make sure it is NOT put into the readyqueue */
802		850
803	if (coro->mainstack && coro->mainstack != main_mainstack)	851	if (coro->mainstack && coro->mainstack != main_mainstack)
804	{	852	{
805	struct coro temp;	853	struct coro temp;
		854
		855	assert (!(coro->flags & CF_RUNNING));
		856
806	Zero (&temp, 1, struct coro);	857	Zero (&temp, 1, struct coro);
807	temp.save = CORO_SAVE_ALL;	858	temp.save = CORO_SAVE_ALL;
808		859
809	if (coro->flags & CF_RUNNING)	860	if (coro->flags & CF_RUNNING)
810	croak ("FATAL: tried to destroy currently running coroutine");	861	croak ("FATAL: tried to destroy currently running coroutine");
…		…
819	coro->mainstack = 0;	870	coro->mainstack = 0;
820	}	871	}
821		872
822	cctx_destroy (coro->cctx);	873	cctx_destroy (coro->cctx);
823	SvREFCNT_dec (coro->args);	874	SvREFCNT_dec (coro->args);
824	Safefree (coro);	875
		876	return 1;
825	}	877	}
826		878
827	static int	879	static int
828	coro_state_clear (pTHX_ SV sv, MAGIC mg)	880	coro_state_free (pTHX_ SV sv, MAGIC mg)
829	{	881	{
830	struct coro coro = (struct coro )mg->mg_ptr;	882	struct coro coro = (struct coro )mg->mg_ptr;
831	mg->mg_ptr = 0;	883	mg->mg_ptr = 0;
832		884
		885	if (--coro->refcnt < 0)
		886	{
833	coro_state_destroy (coro);	887	coro_state_destroy (coro);
		888	Safefree (coro);
		889	}
834		890
835	return 0;	891	return 0;
836	}	892	}
837		893
838	static int	894	static int
…		…
845	return 0;	901	return 0;
846	}	902	}
847		903
848	static MGVTBL coro_state_vtbl = {	904	static MGVTBL coro_state_vtbl = {
849	0, 0, 0, 0,	905	0, 0, 0, 0,
850	coro_state_clear,	906	coro_state_free,
851	0,	907	0,
852	#ifdef MGf_DUP	908	#ifdef MGf_DUP
853	coro_state_dup,	909	coro_state_dup,
854	#else	910	#else
855	# define MGf_DUP 0	911	# define MGf_DUP 0
…		…
906	return old_save;	962	return old_save;
907	}	963	}
908		964
909	/ Coro ******************************************************************/	965	/ Coro ******************************************************************/
910		966
911	#define PRIO_MAX 3
912	#define PRIO_HIGH 1
913	#define PRIO_NORMAL 0
914	#define PRIO_LOW -1
915	#define PRIO_IDLE -3
916	#define PRIO_MIN -4
917
918	/* for Coro.pm */
919	static SV *coro_current;
920	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
921	static int coro_nready;
922
923	static void	967	static void
924	coro_enq (SV *coro_sv)	968	coro_enq (SV *coro_sv)
925	{	969	{
926	av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv);	970	av_push (coro_ready [SvSTATE (coro_sv)->prio - PRIO_MIN], coro_sv);
927	coro_nready++;
928	}	971	}
929		972
930	static SV *	973	static SV *
931	coro_deq (int min_prio)	974	coro_deq (int min_prio)
932	{	975	{
…		…
936	if (min_prio < 0)	979	if (min_prio < 0)
937	min_prio = 0;	980	min_prio = 0;
938		981
939	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= min_prio; )	982	for (prio = PRIO_MAX - PRIO_MIN + 1; --prio >= min_prio; )
940	if (AvFILLp (coro_ready [prio]) >= 0)	983	if (AvFILLp (coro_ready [prio]) >= 0)
941	{
942	coro_nready--;
943	return av_shift (coro_ready [prio]);	984	return av_shift (coro_ready [prio]);
944	}
945		985
946	return 0;	986	return 0;
947	}	987	}
948		988
949	static int	989	static int
…		…
961		1001
962	coro->flags \|= CF_READY;	1002	coro->flags \|= CF_READY;
963		1003
964	LOCK;	1004	LOCK;
965	coro_enq (SvREFCNT_inc (coro_sv));	1005	coro_enq (SvREFCNT_inc (coro_sv));
		1006	++coro_nready;
966	UNLOCK;	1007	UNLOCK;
967		1008
968	return 1;	1009	return 1;
969	}	1010	}
970		1011
971	static int	1012	static int
972	api_is_ready (SV *coro_sv)	1013	api_is_ready (SV *coro_sv)
973	{	1014	{
974	return !!SvSTATE (coro_sv)->flags & CF_READY;	1015	return !!(SvSTATE (coro_sv)->flags & CF_READY);
975	}	1016	}
976		1017
977	static void	1018	static void
978	prepare_schedule (struct transfer_args *ta)	1019	prepare_schedule (struct transfer_args *ta)
979	{	1020	{
980	SV prev, next;	1021	SV prev_sv, next_sv;
981		1022
982	for (;;)	1023	for (;;)
983	{	1024	{
984	LOCK;	1025	LOCK;
985	next = coro_deq (PRIO_MIN);	1026	next_sv = coro_deq (PRIO_MIN);
		1027
		1028	/* nothing to schedule: call the idle handler */
		1029	if (!next_sv)
		1030	{
		1031	dSP;
		1032	UNLOCK;
		1033
		1034	ENTER;
		1035	SAVETMPS;
		1036
		1037	PUSHMARK (SP);
		1038	PUTBACK;
		1039	call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD);
		1040
		1041	FREETMPS;
		1042	LEAVE;
		1043	continue;
		1044	}
		1045
		1046	ta->next = SvSTATE (next_sv);
		1047
		1048	/* cannot transfer to destroyed coros, skip and look for next */
		1049	if (ta->next->flags & CF_DESTROYED)
		1050	{
		1051	UNLOCK;
		1052	SvREFCNT_dec (next_sv);
		1053	/* coro_nready is already taken care of by destroy */
		1054	continue;
		1055	}
		1056
		1057	--coro_nready;
986	UNLOCK;	1058	UNLOCK;
987
988	if (next)
989	break;	1059	break;
990
991	{
992	dSP;
993
994	ENTER;
995	SAVETMPS;
996
997	PUSHMARK (SP);
998	PUTBACK;
999	call_sv (get_sv ("Coro::idle", FALSE), G_DISCARD);
1000
1001	FREETMPS;
1002	LEAVE;
1003	}	1060	}
1004	}
1005
1006	prev = SvRV (coro_current);
1007	SvRV_set (coro_current, next);
1008		1061
1009	/* free this only after the transfer */	1062	/* free this only after the transfer */
		1063	prev_sv = SvRV (coro_current);
		1064	SvRV_set (coro_current, next_sv);
		1065	ta->prev = SvSTATE (prev_sv);
		1066
		1067	assert (ta->next->flags & CF_READY);
		1068	ta->next->flags &= ~CF_READY;
		1069
1010	LOCK;	1070	LOCK;
1011	free_coro_mortal ();	1071	free_coro_mortal ();
		1072	coro_mortal = prev_sv;
1012	UNLOCK;	1073	UNLOCK;
1013	coro_mortal = prev;
1014
1015	assert (!SvROK(prev));//D
1016	assert (!SvROK(next));//D
1017
1018	ta->prev = SvSTATE (prev);
1019	ta->next = SvSTATE (next);
1020
1021	assert (ta->next->flags & CF_READY);
1022	ta->next->flags &= ~CF_READY;
1023	}	1074	}
1024		1075
1025	static void	1076	static void
1026	prepare_cede (struct transfer_args *ta)	1077	prepare_cede (struct transfer_args *ta)
1027	{	1078	{
1028	api_ready (coro_current);	1079	api_ready (coro_current);
1029
1030	prepare_schedule (ta);	1080	prepare_schedule (ta);
		1081	}
		1082
		1083	static int
		1084	prepare_cede_notself (struct transfer_args *ta)
		1085	{
		1086	if (coro_nready)
		1087	{
		1088	SV *prev = SvRV (coro_current);
		1089	prepare_schedule (ta);
		1090	api_ready (prev);
		1091	return 1;
		1092	}
		1093	else
		1094	return 0;
1031	}	1095	}
1032		1096
1033	static void	1097	static void
1034	api_schedule (void)	1098	api_schedule (void)
1035	{	1099	{
…		…
1037		1101
1038	prepare_schedule (&ta);	1102	prepare_schedule (&ta);
1039	TRANSFER (ta);	1103	TRANSFER (ta);
1040	}	1104	}
1041		1105
1042	static void	1106	static int
1043	api_cede (void)	1107	api_cede (void)
1044	{	1108	{
1045	struct transfer_args ta;	1109	struct transfer_args ta;
1046		1110
1047	prepare_cede (&ta);	1111	prepare_cede (&ta);
		1112
		1113	if (ta.prev != ta.next)
		1114	{
1048	TRANSFER (ta);	1115	TRANSFER (ta);
		1116	return 1;
		1117	}
		1118	else
		1119	return 0;
		1120	}
		1121
		1122	static int
		1123	api_cede_notself (void)
		1124	{
		1125	struct transfer_args ta;
		1126
		1127	if (prepare_cede_notself (&ta))
		1128	{
		1129	TRANSFER (ta);
		1130	return 1;
		1131	}
		1132	else
		1133	return 0;
1049	}	1134	}
1050		1135
1051	MODULE = Coro::State PACKAGE = Coro::State	1136	MODULE = Coro::State PACKAGE = Coro::State
1052		1137
1053	PROTOTYPES: DISABLE	1138	PROTOTYPES: DISABLE
…		…
1109	_set_stacklevel (...)	1194	_set_stacklevel (...)
1110	ALIAS:	1195	ALIAS:
1111	Coro::State::transfer = 1	1196	Coro::State::transfer = 1
1112	Coro::schedule = 2	1197	Coro::schedule = 2
1113	Coro::cede = 3	1198	Coro::cede = 3
		1199	Coro::cede_notself = 4
1114	CODE:	1200	CODE:
1115	{	1201	{
1116	struct transfer_args ta;	1202	struct transfer_args ta;
1117		1203
1118	switch (ix)	1204	switch (ix)
…		…
1134	break;	1220	break;
1135		1221
1136	case 3:	1222	case 3:
1137	prepare_cede (&ta);	1223	prepare_cede (&ta);
1138	break;	1224	break;
		1225
		1226	case 4:
		1227	if (!prepare_cede_notself (&ta))
		1228	XSRETURN_EMPTY;
		1229
		1230	break;
1139	}	1231	}
1140		1232
		1233	BARRIER;
1141	TRANSFER (ta);	1234	TRANSFER (ta);
1142	}
1143		1235
1144	void	1236	if (GIMME_V != G_VOID && ta.next != ta.prev)
1145	_clone_state_from (SV dst, SV src)	1237	XSRETURN_YES;
		1238	}
		1239
		1240	bool
		1241	_destroy (SV *coro_sv)
1146	CODE:	1242	CODE:
1147	{	1243	RETVAL = coro_state_destroy (SvSTATE (coro_sv));
1148	struct coro *coro_src = SvSTATE (src);	1244	OUTPUT:
1149		1245	RETVAL
1150	sv_unmagic (SvRV (dst), PERL_MAGIC_ext);
1151
1152	++coro_src->refcnt;
1153	sv_magicext (SvRV (dst), 0, PERL_MAGIC_ext, &coro_state_vtbl, (char *)coro_src, 0)->mg_flags \|= MGf_DUP;
1154	}
1155		1246
1156	void	1247	void
1157	_exit (code)	1248	_exit (code)
1158	int code	1249	int code
1159	PROTOTYPE: $	1250	PROTOTYPE: $
…		…
1196	coro_ready[i] = newAV ();	1287	coro_ready[i] = newAV ();
1197		1288
1198	{	1289	{
1199	SV *sv = perl_get_sv("Coro::API", 1);	1290	SV *sv = perl_get_sv("Coro::API", 1);
1200		1291
1201	coroapi.schedule = api_schedule;	1292	coroapi.schedule = api_schedule;
1202	coroapi.save = api_save;	1293	coroapi.save = api_save;
1203	coroapi.cede = api_cede;	1294	coroapi.cede = api_cede;
		1295	coroapi.cede_notself = api_cede_notself;
1204	coroapi.ready = api_ready;	1296	coroapi.ready = api_ready;
1205	coroapi.is_ready = api_is_ready;	1297	coroapi.is_ready = api_is_ready;
1206	coroapi.nready = &coro_nready;	1298	coroapi.nready = &coro_nready;
1207	coroapi.current = coro_current;	1299	coroapi.current = coro_current;
1208		1300
1209	GCoroAPI = &coroapi;	1301	GCoroAPI = &coroapi;
1210	sv_setiv (sv, (IV)&coroapi);	1302	sv_setiv (sv, (IV)&coroapi);
1211	SvREADONLY_on (sv);	1303	SvREADONLY_on (sv);
1212	}	1304	}
…		…
1236	if (newprio > PRIO_MAX) newprio = PRIO_MAX;	1328	if (newprio > PRIO_MAX) newprio = PRIO_MAX;
1237		1329
1238	coro->prio = newprio;	1330	coro->prio = newprio;
1239	}	1331	}
1240	}	1332	}
		1333	OUTPUT:
		1334	RETVAL
1241		1335
1242	SV *	1336	SV *
1243	ready (SV *self)	1337	ready (SV *self)
1244	PROTOTYPE: $	1338	PROTOTYPE: $
1245	CODE:	1339	CODE:

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Comparing Coro/Coro/State.xs (file contents): Revision 1.129 by root, Fri Dec 22 04:34:04 2006 UTC vs. Revision 1.140 by root, Sat Jan 20 19:52:15 2007 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.129 by root, Fri Dec 22 04:34:04 2006 UTC vs.
Revision 1.140 by root, Sat Jan 20 19:52:15 2007 UTC