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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.245 by root, Mon Sep 22 05:40:21 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
…		…
374	static MGVTBL coro_cv_vtbl = {	398	static MGVTBL coro_cv_vtbl = {
375	0, 0, 0, 0,	399	0, 0, 0, 0,
376	coro_cv_free	400	coro_cv_free
377	};	401	};
378		402
379	#define CORO_MAGIC(sv,type) \	403	#define CORO_MAGIC(sv, type) \
380	SvMAGIC (sv) \	404	SvMAGIC (sv) \
381	? SvMAGIC (sv)->mg_type == type \	405	? SvMAGIC (sv)->mg_type == type \
382	? SvMAGIC (sv) \	406	? SvMAGIC (sv) \
383	: mg_find (sv, type) \	407	: mg_find (sv, type) \
384	: 0	408	: 0
385		409
386	#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)
387	#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)
388		412
389	static struct coro *	413	static struct coro *
…		…
619		643
620	/*	644	/*
621	* destroy the stacks, the callchain etc...	645	* destroy the stacks, the callchain etc...
622	*/	646	*/
623	static void	647	static void
624	coro_destroy_stacks (pTHX)	648	coro_destruct_stacks (pTHX)
625	{	649	{
626	while (PL_curstackinfo->si_next)	650	while (PL_curstackinfo->si_next)
627	PL_curstackinfo = PL_curstackinfo->si_next;	651	PL_curstackinfo = PL_curstackinfo->si_next;
628		652
629	while (PL_curstackinfo)	653	while (PL_curstackinfo)
…		…
807	GvSV (PL_defgv) = newSV (0);	831	GvSV (PL_defgv) = newSV (0);
808	GvAV (PL_defgv) = coro->args; coro->args = 0;	832	GvAV (PL_defgv) = coro->args; coro->args = 0;
809	GvSV (PL_errgv) = newSV (0);	833	GvSV (PL_errgv) = newSV (0);
810	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);
811	PL_rs = newSVsv (GvSV (irsgv));	835	PL_rs = newSVsv (GvSV (irsgv));
812	PL_defoutgv = (GV *)SvREFCNT_inc (stdoutgv);	836	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);
813		837
814	{	838	{
815	dSP;	839	dSP;
816	LOGOP myop;	840	LOGOP myop;
817		841
…		…
834	*/	858	*/
835	ENTER;	859	ENTER;
836	}	860	}
837		861
838	static void	862	static void
839	coro_destroy (pTHX_ struct coro *coro)	863	coro_destruct (pTHX_ struct coro *coro)
840	{	864	{
841	if (!IN_DESTRUCT)	865	if (!IN_DESTRUCT)
842	{	866	{
843	/* restore all saved variables and stuff */	867	/* restore all saved variables and stuff */
844	LEAVE_SCOPE (0);	868	LEAVE_SCOPE (0);
…		…
866	SvREFCNT_dec (PL_warnhook);	890	SvREFCNT_dec (PL_warnhook);
867		891
868	SvREFCNT_dec (coro->saved_deffh);	892	SvREFCNT_dec (coro->saved_deffh);
869	SvREFCNT_dec (coro->throw);	893	SvREFCNT_dec (coro->throw);
870		894
871	coro_destroy_stacks (aTHX);	895	coro_destruct_stacks (aTHX);
872	}	896	}
873		897
874	static void	898	static void
875	free_coro_mortal (pTHX)	899	free_coro_mortal (pTHX)
876	{	900	{
…		…
913	: cx->blk_gimme == G_SCALAR ? bot + 1	937	: cx->blk_gimme == G_SCALAR ? bot + 1
914	: bot;	938	: bot;
915		939
916	av_extend (av, top - bot);	940	av_extend (av, top - bot);
917	while (bot < top)	941	while (bot < top)
918	av_push (av, SvREFCNT_inc (*bot++));	942	av_push (av, SvREFCNT_inc_NN (*bot++));
919		943
920	PL_runops = RUNOPS_DEFAULT;	944	PL_runops = RUNOPS_DEFAULT;
921	ENTER;	945	ENTER;
922	SAVETMPS;	946	SAVETMPS;
923	EXTEND (SP, 3);	947	EXTEND (SP, 3);
…		…
1006	}	1030	}
1007		1031
1008	/* 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 */
1009	/* _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 */
1010	/* during execution of a perl program */	1034	/* during execution of a perl program */
		1035	/* also initialises PL_top_env */
1011	static void NOINLINE	1036	static void NOINLINE
1012	cctx_prepare (pTHX_ coro_cctx *cctx)	1037	cctx_prepare (pTHX_ coro_cctx *cctx)
1013	{	1038	{
1014	dSP;	1039	dSP;
1015	LOGOP myop;	1040	LOGOP myop;
…		…
1031	PL_op = (OP *)&myop;	1056	PL_op = (OP *)&myop;
1032	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);	1057	PL_op = PL_ppaddr[OP_ENTERSUB](aTHX);
1033	SPAGAIN;	1058	SPAGAIN;
1034	}	1059	}
1035		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
1036	/*	1081	/*
1037	* this is a _very_ stripped down perl interpreter ;)	1082	* this is a _very_ stripped down perl interpreter ;)
1038	*/	1083	*/
1039	static void	1084	static void
1040	cctx_run (void *arg)	1085	cctx_run (void *arg)
1041	{	1086	{
		1087	#ifdef USE_ITHREADS
		1088	# if CORO_PTHREAD
		1089	PERL_SET_CONTEXT (coro_thx);
		1090	# endif
		1091	#endif
		1092	{
1042	dTHX;	1093	dTHX;
1043		1094
1044	/* cctx_run is the alternative tail of transfer(), so unlock here. */
1045	UNLOCK;
1046
1047	/* we now skip the entersub that lead to transfer() */	1095	/* we now skip the entersub that lead to transfer () */
1048	PL_op = PL_op->op_next;	1096	PL_op = PL_op->op_next;
1049		1097
1050	/* inject a fake subroutine call to cctx_init */	1098	/* inject a fake subroutine call to cctx_init */
1051	cctx_prepare (aTHX_ (coro_cctx *)arg);	1099	cctx_prepare (aTHX_ (coro_cctx *)arg);
1052		1100
		1101	/* cctx_run is the alternative tail of transfer () */
		1102	transfer_tail ();
		1103
1053	/* 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 */
1054	PL_restartop = PL_op;	1105	PL_restartop = PL_op;
1055	perl_run (PL_curinterp);	1106	perl_run (PL_curinterp);
1056		1107
1057	/*	1108	/*
1058	* 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
1059	* 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)
1060	* 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
1061	* bootstrap-time "top" top_env, as we cannot restore the "main"	1112	* bootstrap-time "top" top_env, as we cannot restore the "main"
1062	* coroutine as Coro has no such concept	1113	* coroutine as Coro has no such concept
1063	*/	1114	*/
1064	PL_top_env = main_top_env;	1115	PL_top_env = main_top_env;
1065	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	}
1066	}	1118	}
1067		1119
1068	static coro_cctx *	1120	static coro_cctx *
1069	cctx_new ()	1121	cctx_new ()
1070	{	1122	{
1071	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 ();
1072	void *stack_start;	1152	void *stack_start;
1073	size_t stack_size;	1153	size_t stack_size;
1074		1154
1075	++cctx_count;
1076
1077	Newz (0, cctx, 1, coro_cctx);
1078
1079	#if HAVE_MMAP	1155	#if HAVE_MMAP
1080	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;
1081	/* mmap supposedly does allocate-on-write for us */	1157	/* mmap supposedly does allocate-on-write for us */
1082	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);
1083		1159
1084	if (cctx->sptr != (void *)-1)	1160	if (cctx->sptr != (void *)-1)
1085	{	1161	{
…		…
1091	cctx->flags \|= CC_MAPPED;	1167	cctx->flags \|= CC_MAPPED;
1092	}	1168	}
1093	else	1169	else
1094	#endif	1170	#endif
1095	{	1171	{
1096	cctx->ssize = coro_stacksize * (long)sizeof (long);	1172	cctx->ssize = cctx_stacksize * (long)sizeof (long);
1097	New (0, cctx->sptr, coro_stacksize, long);	1173	New (0, cctx->sptr, cctx_stacksize, long);
1098		1174
1099	if (!cctx->sptr)	1175	if (!cctx->sptr)
1100	{	1176	{
1101	perror ("FATAL: unable to allocate stack for coroutine");	1177	perror ("FATAL: unable to allocate stack for coroutine");
1102	_exit (EXIT_FAILURE);	1178	_exit (EXIT_FAILURE);
…		…
1117	{	1193	{
1118	if (!cctx)	1194	if (!cctx)
1119	return;	1195	return;
1120		1196
1121	--cctx_count;	1197	--cctx_count;
		1198	coro_destroy (&cctx->cctx);
1122		1199
		1200	/* coro_transfer creates new, empty cctx's */
		1201	if (cctx->sptr)
		1202	{
1123	#if CORO_USE_VALGRIND	1203	#if CORO_USE_VALGRIND
1124	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);	1204	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
1125	#endif	1205	#endif
1126		1206
1127	#if HAVE_MMAP	1207	#if HAVE_MMAP
1128	if (cctx->flags & CC_MAPPED)	1208	if (cctx->flags & CC_MAPPED)
1129	munmap (cctx->sptr, cctx->ssize);	1209	munmap (cctx->sptr, cctx->ssize);
1130	else	1210	else
1131	#endif	1211	#endif
1132	Safefree (cctx->sptr);	1212	Safefree (cctx->sptr);
		1213	}
1133		1214
1134	Safefree (cctx);	1215	Safefree (cctx);
1135	}	1216	}
1136		1217
1137	/* wether this cctx should be destructed */	1218	/* wether this cctx should be destructed */
1138	#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))
1139		1220
1140	static coro_cctx *	1221	static coro_cctx *
1141	cctx_get (pTHX)	1222	cctx_get (pTHX)
1142	{	1223	{
1143	while (expect_true (cctx_first))	1224	while (expect_true (cctx_first))
…		…
1150	return cctx;	1231	return cctx;
1151		1232
1152	cctx_destroy (cctx);	1233	cctx_destroy (cctx);
1153	}	1234	}
1154		1235
1155	return cctx_new ();	1236	return cctx_new_run ();
1156	}	1237	}
1157		1238
1158	static void	1239	static void
1159	cctx_put (coro_cctx *cctx)	1240	cctx_put (coro_cctx *cctx)
1160	{	1241	{
		1242	assert (("cctx_put called on non-initialised cctx", cctx->sptr));
		1243
1161	/* free another cctx if overlimit */	1244	/* free another cctx if overlimit */
1162	if (expect_false (cctx_idle >= MAX_IDLE_CCTX))	1245	if (expect_false (cctx_idle >= cctx_max_idle))
1163	{	1246	{
1164	coro_cctx *first = cctx_first;	1247	coro_cctx *first = cctx_first;
1165	cctx_first = first->next;	1248	cctx_first = first->next;
1166	--cctx_idle;	1249	--cctx_idle;
1167		1250
…		…
1199	/* always use the TRANSFER macro */	1282	/* always use the TRANSFER macro */
1200	static void NOINLINE	1283	static void NOINLINE
1201	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)	1284	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)
1202	{	1285	{
1203	dSTACKLEVEL;	1286	dSTACKLEVEL;
1204	static volatile int has_throw;
1205		1287
1206	/* sometimes transfer is only called to set idle_sp */	1288	/* sometimes transfer is only called to set idle_sp */
1207	if (expect_false (!next))	1289	if (expect_false (!next))
1208	{	1290	{
1209	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1291	((coro_cctx *)prev)->idle_sp = STACKLEVEL;
…		…
1213	{	1295	{
1214	coro_cctx *prev__cctx;	1296	coro_cctx *prev__cctx;
1215		1297
1216	if (expect_false (prev->flags & CF_NEW))	1298	if (expect_false (prev->flags & CF_NEW))
1217	{	1299	{
1218	/* create a new empty context */	1300	/* create a new empty/source context */
1219	Newz (0, prev->cctx, 1, coro_cctx);	1301	prev->cctx = cctx_new_empty ();
1220	prev->flags &= ~CF_NEW;	1302	prev->flags &= ~CF_NEW;
1221	prev->flags \|= CF_RUNNING;	1303	prev->flags \|= CF_RUNNING;
1222	}	1304	}
1223		1305
1224	prev->flags &= ~CF_RUNNING;	1306	prev->flags &= ~CF_RUNNING;
…		…
1239	else	1321	else
1240	load_perl (aTHX_ next);	1322	load_perl (aTHX_ next);
1241		1323
1242	prev__cctx = prev->cctx;	1324	prev__cctx = prev->cctx;
1243		1325
		1326	if (prev__cctx->idle_sp == STACKLEVEL) asm volatile("");//D
		1327
1244	/* possibly "free" the cctx */	1328	/* possibly "free" the cctx */
1245	if (expect_true (	1329	if (expect_true (
1246	prev__cctx->idle_sp == STACKLEVEL	1330	prev__cctx->idle_sp == STACKLEVEL
1247	&& !(prev__cctx->flags & CC_TRACE)	1331	&& !(prev__cctx->flags & CC_TRACE)
1248	&& !force_cctx	1332	&& !force_cctx
…		…
1265	++next->usecount;	1349	++next->usecount;
1266		1350
1267	if (expect_true (!next->cctx))	1351	if (expect_true (!next->cctx))
1268	next->cctx = cctx_get (aTHX);	1352	next->cctx = cctx_get (aTHX);
1269		1353
1270	has_throw = !!next->throw;	1354	next_has_throw = !!next->throw;
1271		1355
1272	if (expect_false (prev__cctx != next->cctx))	1356	if (expect_false (prev__cctx != next->cctx))
1273	{	1357	{
1274	prev__cctx->top_env = PL_top_env;	1358	prev__cctx->top_env = PL_top_env;
1275	PL_top_env = next->cctx->top_env;	1359	PL_top_env = next->cctx->top_env;
…		…
1277	}	1361	}
1278		1362
1279	free_coro_mortal (aTHX);	1363	free_coro_mortal (aTHX);
1280	UNLOCK;	1364	UNLOCK;
1281		1365
1282	if (expect_false (has_throw))	1366	transfer_tail ();
1283	{
1284	struct coro *coro = SvSTATE (coro_current);
1285
1286	if (coro->throw)
1287	{
1288	SV *exception = coro->throw;
1289	coro->throw = 0;
1290	sv_setsv (ERRSV, exception);
1291	croak (0);
1292	}
1293	}
1294	}	1367	}
1295	}	1368	}
1296		1369
1297	struct transfer_args	1370	struct transfer_args
1298	{	1371	{
…		…
1331	croak ("FATAL: tried to destroy currently running coroutine");	1404	croak ("FATAL: tried to destroy currently running coroutine");
1332		1405
1333	save_perl (aTHX_ &temp);	1406	save_perl (aTHX_ &temp);
1334	load_perl (aTHX_ coro);	1407	load_perl (aTHX_ coro);
1335		1408
1336	coro_destroy (aTHX_ coro);	1409	coro_destruct (aTHX_ coro);
1337		1410
1338	load_perl (aTHX_ &temp);	1411	load_perl (aTHX_ &temp);
1339		1412
1340	coro->slot = 0;	1413	coro->slot = 0;
1341	}	1414	}
…		…
1447	LOCK;	1520	LOCK;
1448		1521
1449	sv_hook = coro_nready ? 0 : coro_readyhook;	1522	sv_hook = coro_nready ? 0 : coro_readyhook;
1450	xs_hook = coro_nready ? 0 : coroapi.readyhook;	1523	xs_hook = coro_nready ? 0 : coroapi.readyhook;
1451		1524
1452	coro_enq (aTHX_ SvREFCNT_inc (coro_sv));	1525	coro_enq (aTHX_ SvREFCNT_inc_NN (coro_sv));
1453	++coro_nready;	1526	++coro_nready;
1454		1527
1455	UNLOCK;	1528	UNLOCK;
1456		1529
1457	if (sv_hook)	1530	if (sv_hook)
…		…
1612	struct coro *coro = SvSTATE (coro_sv);	1685	struct coro *coro = SvSTATE (coro_sv);
1613		1686
1614	if (flags & CC_TRACE)	1687	if (flags & CC_TRACE)
1615	{	1688	{
1616	if (!coro->cctx)	1689	if (!coro->cctx)
1617	coro->cctx = cctx_new ();	1690	coro->cctx = cctx_new_run ();
1618	else if (!(coro->cctx->flags & CC_TRACE))	1691	else if (!(coro->cctx->flags & CC_TRACE))
1619	croak ("cannot enable tracing on coroutine with custom stack");	1692	croak ("cannot enable tracing on coroutine with custom stack");
1620		1693
1621	coro->cctx->flags \|= CC_NOREUSE \| (flags & (CC_TRACE \| CC_TRACE_ALL));	1694	coro->cctx->flags \|= CC_NOREUSE \| (flags & (CC_TRACE \| CC_TRACE_ALL));
1622	}	1695	}
…		…
1629	else	1702	else
1630	coro->slot->runops = RUNOPS_DEFAULT;	1703	coro->slot->runops = RUNOPS_DEFAULT;
1631	}	1704	}
1632	}	1705	}
1633		1706
		1707	#if 0
1634	static int	1708	static int
1635	coro_gensub_free (pTHX_ SV sv, MAGIC mg)	1709	coro_gensub_free (pTHX_ SV sv, MAGIC mg)
1636	{	1710	{
1637	AV *padlist;	1711	AV *padlist;
1638	AV av = (AV )mg->mg_obj;	1712	AV av = (AV )mg->mg_obj;
…		…
1644		1718
1645	static MGVTBL coro_gensub_vtbl = {	1719	static MGVTBL coro_gensub_vtbl = {
1646	0, 0, 0, 0,	1720	0, 0, 0, 0,
1647	coro_gensub_free	1721	coro_gensub_free
1648	};	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
1649		1800
1650	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	1801	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1651		1802
1652	PROTOTYPES: DISABLE	1803	PROTOTYPES: DISABLE
1653		1804
1654	BOOT:	1805	BOOT:
1655	{	1806	{
1656	#ifdef USE_ITHREADS	1807	#ifdef USE_ITHREADS
1657	MUTEX_INIT (&coro_mutex);	1808	MUTEX_INIT (&coro_lock);
		1809	# if CORO_PTHREAD
		1810	coro_thx = PERL_GET_CONTEXT;
		1811	# endif
1658	#endif	1812	#endif
1659	BOOT_PAGESIZE;	1813	BOOT_PAGESIZE;
1660		1814
1661	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);	1815	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
1662	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);	1816	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
…		…
1683	main_top_env = main_top_env->je_prev;	1837	main_top_env = main_top_env->je_prev;
1684		1838
1685	coroapi.ver = CORO_API_VERSION;	1839	coroapi.ver = CORO_API_VERSION;
1686	coroapi.rev = CORO_API_REVISION;	1840	coroapi.rev = CORO_API_REVISION;
1687	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	}
1688		1851
1689	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	1852	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
1690	}	1853	}
1691		1854
1692	SV *	1855	SV *
…		…
1740	ta.next = 0;	1903	ta.next = 0;
1741	break;	1904	break;
1742		1905
1743	case 1:	1906	case 1:
1744	if (items != 2)	1907	if (items != 2)
1745	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);
1746		1909
1747	prepare_transfer (aTHX_ &ta, ST (0), ST (1));	1910	prepare_transfer (aTHX_ &ta, ST (0), ST (1));
1748	break;	1911	break;
1749		1912
1750	case 2:	1913	case 2:
…		…
1784	_exit (code);	1947	_exit (code);
1785		1948
1786	int	1949	int
1787	cctx_stacksize (int new_stacksize = 0)	1950	cctx_stacksize (int new_stacksize = 0)
1788	CODE:	1951	CODE:
1789	RETVAL = coro_stacksize;	1952	RETVAL = cctx_stacksize;
1790	if (new_stacksize)	1953	if (new_stacksize)
		1954	{
1791	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;
1792	OUTPUT:	1967	OUTPUT:
1793	RETVAL	1968	RETVAL
1794		1969
1795	int	1970	int
1796	cctx_count ()	1971	cctx_count ()
…		…
1892	CODE:	2067	CODE:
1893	RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL;	2068	RETVAL = (coro->cctx ? coro->cctx->flags : 0) & CC_TRACE_ALL;
1894	OUTPUT:	2069	OUTPUT:
1895	RETVAL	2070	RETVAL
1896		2071
1897	IV	2072	UV
1898	rss (Coro::State coro)	2073	rss (Coro::State coro)
1899	PROTOTYPE: $	2074	PROTOTYPE: $
1900	ALIAS:	2075	ALIAS:
1901	usecount = 1	2076	usecount = 1
1902	CODE:	2077	CODE:
…		…
1913	CODE:	2088	CODE:
1914	struct coro *coro = SvSTATE (coro_current);	2089	struct coro *coro = SvSTATE (coro_current);
1915	coro->cctx->idle_sp = 0;	2090	coro->cctx->idle_sp = 0;
1916		2091
1917	void	2092	void
1918	throw (Coro::State self, SV *throw = &PL_sv_undef)
1919	PROTOTYPE: $;$
1920	CODE:
1921	SvREFCNT_dec (self->throw);
1922	self->throw = SvOK (throw) ? newSVsv (throw) : 0;
1923
1924	void
1925	swap_defsv (Coro::State self)	2093	swap_defsv (Coro::State self)
1926	PROTOTYPE: $	2094	PROTOTYPE: $
1927	ALIAS:	2095	ALIAS:
1928	swap_defav = 1	2096	swap_defav = 1
1929	CODE:	2097	CODE:
…		…
1983	void	2151	void
1984	_set_current (SV *current)	2152	_set_current (SV *current)
1985	PROTOTYPE: $	2153	PROTOTYPE: $
1986	CODE:	2154	CODE:
1987	SvREFCNT_dec (SvRV (coro_current));	2155	SvREFCNT_dec (SvRV (coro_current));
1988	SvRV_set (coro_current, SvREFCNT_inc (SvRV (current)));	2156	SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));
1989		2157
1990	void	2158	void
1991	_set_readyhook (SV *hook)	2159	_set_readyhook (SV *hook)
1992	PROTOTYPE: $	2160	PROTOTYPE: $
1993	CODE:	2161	CODE:
…		…
2032	CODE:	2200	CODE:
2033	RETVAL = coro_nready;	2201	RETVAL = coro_nready;
2034	OUTPUT:	2202	OUTPUT:
2035	RETVAL	2203	RETVAL
2036		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
2037	# for async_pool speedup	2212	# for async_pool speedup
2038	void	2213	void
2039	_pool_1 (SV *cb)	2214	_pool_1 (SV *cb)
2040	CODE:	2215	CODE:
2041	{	2216	{
…		…
2053	SvREFCNT_dec (old);	2228	SvREFCNT_dec (old);
2054	croak ("\3async_pool terminate\2\n");	2229	croak ("\3async_pool terminate\2\n");
2055	}	2230	}
2056		2231
2057	SvREFCNT_dec (coro->saved_deffh);	2232	SvREFCNT_dec (coro->saved_deffh);
2058	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);	2233	coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv);
2059		2234
2060	hv_store (hv, "desc", sizeof ("desc") - 1,	2235	hv_store (hv, "desc", sizeof ("desc") - 1,
2061	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);	2236	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
2062		2237
2063	invoke_av = (AV *)SvRV (invoke);	2238	invoke_av = (AV *)SvRV (invoke);
…		…
2067		2242
2068	if (len > 0)	2243	if (len > 0)
2069	{	2244	{
2070	av_fill (defav, len - 1);	2245	av_fill (defav, len - 1);
2071	for (i = 0; i < len; ++i)	2246	for (i = 0; i < len; ++i)
2072	av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1]));	2247	av_store (defav, i, SvREFCNT_inc_NN (AvARRAY (invoke_av)[i + 1]));
2073	}	2248	}
2074		2249
2075	SvREFCNT_dec (invoke);	2250	SvREFCNT_dec (invoke);
2076	}	2251	}
2077		2252
…		…
2084	sv_setsv (cb, &PL_sv_undef);	2259	sv_setsv (cb, &PL_sv_undef);
2085		2260
2086	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;	2261	SvREFCNT_dec ((SV )PL_defoutgv); PL_defoutgv = (GV )coro->saved_deffh;
2087	coro->saved_deffh = 0;	2262	coro->saved_deffh = 0;
2088		2263
2089	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)	2264	if (coro_rss (aTHX_ coro) > SvUV (sv_pool_rss)
2090	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))	2265	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
2091	{	2266	{
2092	SV *old = PL_diehook;	2267	SV *old = PL_diehook;
2093	PL_diehook = 0;	2268	PL_diehook = 0;
2094	SvREFCNT_dec (old);	2269	SvREFCNT_dec (old);
…		…
2156	#endif	2331	#endif
2157		2332
2158		2333
2159	MODULE = Coro::State PACKAGE = Coro::AIO	2334	MODULE = Coro::State PACKAGE = Coro::AIO
2160		2335
2161	SV *	2336	void
2162	_get_state ()	2337	_get_state (SV *self)
2163	CODE:	2338	PPCODE:
2164	{	2339	{
2165	struct io_state *data;	2340	AV *defav = GvAV (PL_defgv);
2166		2341	AV *av = newAV ();
		2342	int i;
2167	RETVAL = newSV (sizeof (struct io_state));	2343	SV *data_sv = newSV (sizeof (struct io_state));
2168	data = (struct io_state *)SvPVX (RETVAL);	2344	struct io_state data = (struct io_state )SvPVX (data_sv);
2169	SvCUR_set (RETVAL, sizeof (struct io_state));	2345	SvCUR_set (data_sv, sizeof (struct io_state));
2170	SvPOK_only (RETVAL);	2346	SvPOK_only (data_sv);
2171		2347
2172	data->errorno = errno;	2348	data->errorno = errno;
2173	data->laststype = PL_laststype;	2349	data->laststype = PL_laststype;
2174	data->laststatval = PL_laststatval;	2350	data->laststatval = PL_laststatval;
2175	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);
2176	}	2363	}
2177	OUTPUT:
2178	RETVAL
2179		2364
2180	void	2365	void
2181	_set_state (char *data_)	2366	_set_state (SV *state)
2182	PROTOTYPE: $	2367	PROTOTYPE: $
2183	CODE:	2368	PPCODE:
2184	{	2369	{
2185	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;
2186		2373
2187	errno = data->errorno;	2374	errno = data->errorno;
2188	PL_laststype = data->laststype;	2375	PL_laststype = data->laststype;
2189	PL_laststatval = data->laststatval;	2376	PL_laststatval = data->laststatval;
2190	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])));
2191	}	2382	}
2192		2383
2193		2384
2194	MODULE = Coro::State PACKAGE = Coro::AnyEvent	2385	MODULE = Coro::State PACKAGE = Coro::AnyEvent
2195		2386
…		…
2219	}	2410	}
2220		2411
2221	--incede;	2412	--incede;
2222	}	2413	}
2223		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 1.245 by root, Mon Sep 22 05:40:21 2008 UTC vs. Revision 1.259 by root, Mon Nov 10 00:02:29 2008 UTC

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Comparing Coro/Coro/State.xs (file contents):
Revision 1.245 by root, Mon Sep 22 05:40:21 2008 UTC vs.
Revision 1.259 by root, Mon Nov 10 00:02:29 2008 UTC