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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.241 by root, Mon Jul 21 02:39:15 2008 UTC vs.
Revision 1.254 by root, Fri Nov 7 20:27:47 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
141	static perl_mutex coro_mutex;	147	static perl_mutex coro_lock;
142	# define LOCK do { MUTEX_LOCK (&coro_mutex); } while (0)	148	# define LOCK do { MUTEX_LOCK (&coro_lock); } while (0)
143	# define UNLOCK do { MUTEX_UNLOCK (&coro_mutex); } while (0)	149	# define UNLOCK do { MUTEX_UNLOCK (&coro_lock); } while (0)
144	#else	150	#else
145	# define LOCK (void)0	151	# define LOCK (void)0
146	# define UNLOCK (void)0	152	# define UNLOCK (void)0
147	#endif	153	#endif
148		154
149	/* helper storage struct for Coro::AIO */	155	/* helper storage struct for Coro::AIO */
150	struct io_state	156	struct io_state
151	{	157	{
		158	AV *res;
152	int errorno;	159	int errorno;
153	I32 laststype;	160	I32 laststype;
154	int laststatval;	161	int laststatval;
155	Stat_t statcache;	162	Stat_t statcache;
156	};	163	};
157		164
		165	static double (nvtime)(); / so why doesn't it take void? */
		166
		167	static U32 cctx_gen;
158	static size_t coro_stacksize = CORO_STACKSIZE;	168	static size_t cctx_stacksize = CORO_STACKSIZE;
159	static struct CoroAPI coroapi;	169	static struct CoroAPI coroapi;
160	static AV main_mainstack; / used to differentiate between $main and others */	170	static AV main_mainstack; / used to differentiate between $main and others */
161	static JMPENV *main_top_env;	171	static JMPENV *main_top_env;
162	static HV coro_state_stash, coro_stash;	172	static HV coro_state_stash, coro_stash;
163	static volatile SV coro_mortal; / will be freed after next transfer */	173	static volatile SV coro_mortal; / will be freed/thrown after next transfer */
164		174
165	static GV irsgv; / $/ */	175	static GV irsgv; / $/ */
166	static GV stdoutgv; / STDOUT /	176	static GV stdoutgv; / STDOUT /
167	static SV *rv_diehook;	177	static SV *rv_diehook;
168	static SV *rv_warnhook;	178	static SV *rv_warnhook;
…		…
200	void idle_sp; / sp of top-level transfer/schedule/cede call */	210	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 */	211	JMPENV idle_te; / same as idle_sp, but for top_env, TODO: remove once stable */
202	JMPENV *top_env;	212	JMPENV *top_env;
203	coro_context cctx;	213	coro_context cctx;
204		214
		215	U32 gen;
205	#if CORO_USE_VALGRIND	216	#if CORO_USE_VALGRIND
206	int valgrind_id;	217	int valgrind_id;
207	#endif	218	#endif
208	unsigned char flags;	219	unsigned char flags;
209	} coro_cctx;	220	} coro_cctx;
…		…
321	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);	332	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
322	#endif	333	#endif
323	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];	334	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
324	--AvFILLp (padlist);	335	--AvFILLp (padlist);
325		336
326	av_store (newpadlist, 0, SvREFCNT_inc (*av_fetch (padlist, 0, FALSE)));	337	av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE)));
327	av_store (newpadlist, 1, (SV *)newpad);	338	av_store (newpadlist, 1, (SV *)newpad);
328		339
329	return newpadlist;	340	return newpadlist;
330	}	341	}
331		342
…		…
361		372
362	/* casting is fun. */	373	/* casting is fun. */
363	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))	374	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
364	free_padlist (aTHX_ padlist);	375	free_padlist (aTHX_ padlist);
365		376
		377	SvREFCNT_dec (av); /* sv_magicext increased the refcount */
		378
366	return 0;	379	return 0;
367	}	380	}
368		381
369	#define CORO_MAGIC_type_cv PERL_MAGIC_ext	382	#define CORO_MAGIC_type_cv PERL_MAGIC_ext
370	#define CORO_MAGIC_type_state PERL_MAGIC_ext	383	#define CORO_MAGIC_type_state PERL_MAGIC_ext
…		…
372	static MGVTBL coro_cv_vtbl = {	385	static MGVTBL coro_cv_vtbl = {
373	0, 0, 0, 0,	386	0, 0, 0, 0,
374	coro_cv_free	387	coro_cv_free
375	};	388	};
376		389
377	#define CORO_MAGIC(sv,type) \	390	#define CORO_MAGIC(sv, type) \
378	SvMAGIC (sv) \	391	SvMAGIC (sv) \
379	? SvMAGIC (sv)->mg_type == type \	392	? SvMAGIC (sv)->mg_type == type \
380	? SvMAGIC (sv) \	393	? SvMAGIC (sv) \
381	: mg_find (sv, type) \	394	: mg_find (sv, type) \
382	: 0	395	: 0
383		396
384	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)	397	#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
385	#define CORO_MAGIC_state(sv) CORO_MAGIC (((SV *)(sv)), CORO_MAGIC_type_state)	398	#define CORO_MAGIC_state(sv) CORO_MAGIC (((SV *)(sv)), CORO_MAGIC_type_state)
386		399
387	static struct coro *	400	static struct coro *
…		…
420	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))	433	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))
421	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];	434	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
422	else	435	else
423	{	436	{
424	#if CORO_PREFER_PERL_FUNCTIONS	437	#if CORO_PREFER_PERL_FUNCTIONS
425	/* this is probably cleaner, but also slower? */	438	/* this is probably cleaner? but also slower! */
		439	/* in practise, it seems to be less stable */
426	CV *cp = Perl_cv_clone (cv);	440	CV *cp = Perl_cv_clone (cv);
427	CvPADLIST (cv) = CvPADLIST (cp);	441	CvPADLIST (cv) = CvPADLIST (cp);
428	CvPADLIST (cp) = 0;	442	CvPADLIST (cp) = 0;
429	SvREFCNT_dec (cp);	443	SvREFCNT_dec (cp);
430	#else	444	#else
…		…
616		630
617	/*	631	/*
618	* destroy the stacks, the callchain etc...	632	* destroy the stacks, the callchain etc...
619	*/	633	*/
620	static void	634	static void
621	coro_destroy_stacks (pTHX)	635	coro_destruct_stacks (pTHX)
622	{	636	{
623	while (PL_curstackinfo->si_next)	637	while (PL_curstackinfo->si_next)
624	PL_curstackinfo = PL_curstackinfo->si_next;	638	PL_curstackinfo = PL_curstackinfo->si_next;
625		639
626	while (PL_curstackinfo)	640	while (PL_curstackinfo)
…		…
663	#undef VAR	677	#undef VAR
664	}	678	}
665	else	679	else
666	slot = coro->slot;	680	slot = coro->slot;
667		681
		682	if (slot)
		683	{
668	rss += sizeof (slot->curstackinfo);	684	rss += sizeof (slot->curstackinfo);
669	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);	685	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
670	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);	686	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);
671	rss += slot->tmps_max * sizeof (SV *);	687	rss += slot->tmps_max * sizeof (SV *);
672	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);	688	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
673	rss += slot->scopestack_max * sizeof (I32);	689	rss += slot->scopestack_max * sizeof (I32);
674	rss += slot->savestack_max * sizeof (ANY);	690	rss += slot->savestack_max * sizeof (ANY);
675		691
676	#if !PERL_VERSION_ATLEAST (5,10,0)	692	#if !PERL_VERSION_ATLEAST (5,10,0)
677	rss += slot->retstack_max * sizeof (OP *);	693	rss += slot->retstack_max * sizeof (OP *);
678	#endif	694	#endif
		695	}
679	}	696	}
680		697
681	return rss;	698	return rss;
682	}	699	}
683		700
…		…
801	GvSV (PL_defgv) = newSV (0);	818	GvSV (PL_defgv) = newSV (0);
802	GvAV (PL_defgv) = coro->args; coro->args = 0;	819	GvAV (PL_defgv) = coro->args; coro->args = 0;
803	GvSV (PL_errgv) = newSV (0);	820	GvSV (PL_errgv) = newSV (0);
804	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);	821	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
805	PL_rs = newSVsv (GvSV (irsgv));	822	PL_rs = newSVsv (GvSV (irsgv));
806	PL_defoutgv = (GV *)SvREFCNT_inc (stdoutgv);	823	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);
807		824
808	{	825	{
809	dSP;	826	dSP;
810	LOGOP myop;	827	LOGOP myop;
811		828
…		…
828	*/	845	*/
829	ENTER;	846	ENTER;
830	}	847	}
831		848
832	static void	849	static void
833	coro_destroy (pTHX_ struct coro *coro)	850	coro_destruct (pTHX_ struct coro *coro)
834	{	851	{
835	if (!IN_DESTRUCT)	852	if (!IN_DESTRUCT)
836	{	853	{
837	/* restore all saved variables and stuff */	854	/* restore all saved variables and stuff */
838	LEAVE_SCOPE (0);	855	LEAVE_SCOPE (0);
…		…
860	SvREFCNT_dec (PL_warnhook);	877	SvREFCNT_dec (PL_warnhook);
861		878
862	SvREFCNT_dec (coro->saved_deffh);	879	SvREFCNT_dec (coro->saved_deffh);
863	SvREFCNT_dec (coro->throw);	880	SvREFCNT_dec (coro->throw);
864		881
865	coro_destroy_stacks (aTHX);	882	coro_destruct_stacks (aTHX);
866	}	883	}
867		884
868	static void	885	static void
869	free_coro_mortal (pTHX)	886	free_coro_mortal (pTHX)
870	{	887	{
…		…
907	: cx->blk_gimme == G_SCALAR ? bot + 1	924	: cx->blk_gimme == G_SCALAR ? bot + 1
908	: bot;	925	: bot;
909		926
910	av_extend (av, top - bot);	927	av_extend (av, top - bot);
911	while (bot < top)	928	while (bot < top)
912	av_push (av, SvREFCNT_inc (*bot++));	929	av_push (av, SvREFCNT_inc_NN (*bot++));
913		930
914	PL_runops = RUNOPS_DEFAULT;	931	PL_runops = RUNOPS_DEFAULT;
915	ENTER;	932	ENTER;
916	SAVETMPS;	933	SAVETMPS;
917	EXTEND (SP, 3);	934	EXTEND (SP, 3);
…		…
1065	coro_cctx *cctx;	1082	coro_cctx *cctx;
1066	void *stack_start;	1083	void *stack_start;
1067	size_t stack_size;	1084	size_t stack_size;
1068		1085
1069	++cctx_count;	1086	++cctx_count;
1070
1071	Newz (0, cctx, 1, coro_cctx);	1087	Newz (0, cctx, 1, coro_cctx);
1072		1088
		1089	cctx->gen = cctx_gen;
		1090
1073	#if HAVE_MMAP	1091	#if HAVE_MMAP
1074	cctx->ssize = ((coro_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;	1092	cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;
1075	/* mmap supposedly does allocate-on-write for us */	1093	/* mmap supposedly does allocate-on-write for us */
1076	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);	1094	cctx->sptr = mmap (0, cctx->ssize, PROT_EXEC\|PROT_READ\|PROT_WRITE, MAP_PRIVATE\|MAP_ANONYMOUS, 0, 0);
1077		1095
1078	if (cctx->sptr != (void *)-1)	1096	if (cctx->sptr != (void *)-1)
1079	{	1097	{
…		…
1085	cctx->flags \|= CC_MAPPED;	1103	cctx->flags \|= CC_MAPPED;
1086	}	1104	}
1087	else	1105	else
1088	#endif	1106	#endif
1089	{	1107	{
1090	cctx->ssize = coro_stacksize * (long)sizeof (long);	1108	cctx->ssize = cctx_stacksize * (long)sizeof (long);
1091	New (0, cctx->sptr, coro_stacksize, long);	1109	New (0, cctx->sptr, cctx_stacksize, long);
1092		1110
1093	if (!cctx->sptr)	1111	if (!cctx->sptr)
1094	{	1112	{
1095	perror ("FATAL: unable to allocate stack for coroutine");	1113	perror ("FATAL: unable to allocate stack for coroutine");
1096	_exit (EXIT_FAILURE);	1114	_exit (EXIT_FAILURE);
…		…
1111	{	1129	{
1112	if (!cctx)	1130	if (!cctx)
1113	return;	1131	return;
1114		1132
1115	--cctx_count;	1133	--cctx_count;
		1134	coro_destroy (&cctx->cctx);
1116		1135
		1136	/* coro_transfer creates new, empty cctx's */
		1137	if (cctx->sptr)
		1138	{
1117	#if CORO_USE_VALGRIND	1139	#if CORO_USE_VALGRIND
1118	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);	1140	VALGRIND_STACK_DEREGISTER (cctx->valgrind_id);
1119	#endif	1141	#endif
1120		1142
1121	#if HAVE_MMAP	1143	#if HAVE_MMAP
1122	if (cctx->flags & CC_MAPPED)	1144	if (cctx->flags & CC_MAPPED)
1123	munmap (cctx->sptr, cctx->ssize);	1145	munmap (cctx->sptr, cctx->ssize);
1124	else	1146	else
1125	#endif	1147	#endif
1126	Safefree (cctx->sptr);	1148	Safefree (cctx->sptr);
		1149	}
1127		1150
1128	Safefree (cctx);	1151	Safefree (cctx);
1129	}	1152	}
1130		1153
1131	/* wether this cctx should be destructed */	1154	/* wether this cctx should be destructed */
1132	#define CCTX_EXPIRED(cctx) ((cctx)->ssize < coro_stacksize \|\| ((cctx)->flags & CC_NOREUSE))	1155	#define CCTX_EXPIRED(cctx) ((cctx)->gen != cctx_gen \|\| ((cctx)->flags & CC_NOREUSE))
1133		1156
1134	static coro_cctx *	1157	static coro_cctx *
1135	cctx_get (pTHX)	1158	cctx_get (pTHX)
1136	{	1159	{
1137	while (expect_true (cctx_first))	1160	while (expect_true (cctx_first))
…		…
1150	}	1173	}
1151		1174
1152	static void	1175	static void
1153	cctx_put (coro_cctx *cctx)	1176	cctx_put (coro_cctx *cctx)
1154	{	1177	{
		1178	assert (("cctx_put called on non-initialised cctx", cctx->sptr));
		1179
1155	/* free another cctx if overlimit */	1180	/* free another cctx if overlimit */
1156	if (expect_false (cctx_idle >= MAX_IDLE_CCTX))	1181	if (expect_false (cctx_idle >= cctx_max_idle))
1157	{	1182	{
1158	coro_cctx *first = cctx_first;	1183	coro_cctx *first = cctx_first;
1159	cctx_first = first->next;	1184	cctx_first = first->next;
1160	--cctx_idle;	1185	--cctx_idle;
1161		1186
…		…
1193	/* always use the TRANSFER macro */	1218	/* always use the TRANSFER macro */
1194	static void NOINLINE	1219	static void NOINLINE
1195	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)	1220	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)
1196	{	1221	{
1197	dSTACKLEVEL;	1222	dSTACKLEVEL;
1198	static volatile int has_throw;
1199		1223
1200	/* sometimes transfer is only called to set idle_sp */	1224	/* sometimes transfer is only called to set idle_sp */
1201	if (expect_false (!next))	1225	if (expect_false (!next))
1202	{	1226	{
1203	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1227	((coro_cctx *)prev)->idle_sp = STACKLEVEL;
1204	assert (((coro_cctx )prev)->idle_te = PL_top_env); / just for the side-effect when asserts are enabled */	1228	assert (((coro_cctx )prev)->idle_te = PL_top_env); / just for the side-effect when asserts are enabled */
1205	}	1229	}
1206	else if (expect_true (prev != next))	1230	else if (expect_true (prev != next))
1207	{	1231	{
		1232	static volatile int has_throw;
1208	coro_cctx *prev__cctx;	1233	coro_cctx *prev__cctx;
1209		1234
1210	if (expect_false (prev->flags & CF_NEW))	1235	if (expect_false (prev->flags & CF_NEW))
1211	{	1236	{
1212	/* create a new empty context */	1237	/* create a new empty/source context */
		1238	++cctx_count;
1213	Newz (0, prev->cctx, 1, coro_cctx);	1239	New (0, prev->cctx, 1, coro_cctx);
		1240	prev->cctx->sptr = 0;
		1241	coro_create (&prev->cctx->cctx, 0, 0, 0, 0);
		1242
1214	prev->flags &= ~CF_NEW;	1243	prev->flags &= ~CF_NEW;
1215	prev->flags \|= CF_RUNNING;	1244	prev->flags \|= CF_RUNNING;
1216	}	1245	}
1217		1246
1218	prev->flags &= ~CF_RUNNING;	1247	prev->flags &= ~CF_RUNNING;
…		…
1325	croak ("FATAL: tried to destroy currently running coroutine");	1354	croak ("FATAL: tried to destroy currently running coroutine");
1326		1355
1327	save_perl (aTHX_ &temp);	1356	save_perl (aTHX_ &temp);
1328	load_perl (aTHX_ coro);	1357	load_perl (aTHX_ coro);
1329		1358
1330	coro_destroy (aTHX_ coro);	1359	coro_destruct (aTHX_ coro);
1331		1360
1332	load_perl (aTHX_ &temp);	1361	load_perl (aTHX_ &temp);
1333		1362
1334	coro->slot = 0;	1363	coro->slot = 0;
1335	}	1364	}
…		…
1441	LOCK;	1470	LOCK;
1442		1471
1443	sv_hook = coro_nready ? 0 : coro_readyhook;	1472	sv_hook = coro_nready ? 0 : coro_readyhook;
1444	xs_hook = coro_nready ? 0 : coroapi.readyhook;	1473	xs_hook = coro_nready ? 0 : coroapi.readyhook;
1445		1474
1446	coro_enq (aTHX_ SvREFCNT_inc (coro_sv));	1475	coro_enq (aTHX_ SvREFCNT_inc_NN (coro_sv));
1447	++coro_nready;	1476	++coro_nready;
1448		1477
1449	UNLOCK;	1478	UNLOCK;
1450		1479
1451	if (sv_hook)	1480	if (sv_hook)
…		…
1623	else	1652	else
1624	coro->slot->runops = RUNOPS_DEFAULT;	1653	coro->slot->runops = RUNOPS_DEFAULT;
1625	}	1654	}
1626	}	1655	}
1627		1656
		1657	static int
		1658	coro_gensub_free (pTHX_ SV sv, MAGIC mg)
		1659	{
		1660	AV *padlist;
		1661	AV av = (AV )mg->mg_obj;
		1662
		1663	abort ();
		1664
		1665	return 0;
		1666	}
		1667
		1668	static MGVTBL coro_gensub_vtbl = {
		1669	0, 0, 0, 0,
		1670	coro_gensub_free
		1671	};
		1672
		1673	/*****************************************************************************/
		1674	/* PerlIO::cede */
		1675
		1676	typedef struct
		1677	{
		1678	PerlIOBuf base;
		1679	NV next, every;
		1680	} PerlIOCede;
		1681
		1682	static IV
		1683	PerlIOCede_pushed (pTHX_ PerlIO f, const char mode, SV arg, PerlIO_funcs tab)
		1684	{
		1685	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1686
		1687	self->every = SvCUR (arg) ? SvNV (arg) : 0.01;
		1688	self->next = nvtime () + self->every;
		1689
		1690	return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab);
		1691	}
		1692
		1693	static SV *
		1694	PerlIOCede_getarg (pTHX_ PerlIO f, CLONE_PARAMS param, int flags)
		1695	{
		1696	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1697
		1698	return newSVnv (self->every);
		1699	}
		1700
		1701	static IV
		1702	PerlIOCede_flush (pTHX_ PerlIO *f)
		1703	{
		1704	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1705	double now = nvtime ();
		1706
		1707	if (now >= self->next)
		1708	{
		1709	api_cede ();
		1710	self->next = now + self->every;
		1711	}
		1712
		1713	return PerlIOBuf_flush (aTHX_ f);
		1714	}
		1715
		1716	static PerlIO_funcs PerlIO_cede =
		1717	{
		1718	sizeof(PerlIO_funcs),
		1719	"cede",
		1720	sizeof(PerlIOCede),
		1721	PERLIO_K_DESTRUCT \| PERLIO_K_RAW,
		1722	PerlIOCede_pushed,
		1723	PerlIOBuf_popped,
		1724	PerlIOBuf_open,
		1725	PerlIOBase_binmode,
		1726	PerlIOCede_getarg,
		1727	PerlIOBase_fileno,
		1728	PerlIOBuf_dup,
		1729	PerlIOBuf_read,
		1730	PerlIOBuf_unread,
		1731	PerlIOBuf_write,
		1732	PerlIOBuf_seek,
		1733	PerlIOBuf_tell,
		1734	PerlIOBuf_close,
		1735	PerlIOCede_flush,
		1736	PerlIOBuf_fill,
		1737	PerlIOBase_eof,
		1738	PerlIOBase_error,
		1739	PerlIOBase_clearerr,
		1740	PerlIOBase_setlinebuf,
		1741	PerlIOBuf_get_base,
		1742	PerlIOBuf_bufsiz,
		1743	PerlIOBuf_get_ptr,
		1744	PerlIOBuf_get_cnt,
		1745	PerlIOBuf_set_ptrcnt,
		1746	};
		1747
		1748
1628	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	1749	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1629		1750
1630	PROTOTYPES: DISABLE	1751	PROTOTYPES: DISABLE
1631		1752
1632	BOOT:	1753	BOOT:
1633	{	1754	{
1634	#ifdef USE_ITHREADS	1755	#ifdef USE_ITHREADS
1635	MUTEX_INIT (&coro_mutex);	1756	MUTEX_INIT (&coro_lock);
1636	#endif	1757	#endif
1637	BOOT_PAGESIZE;	1758	BOOT_PAGESIZE;
1638		1759
1639	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);	1760	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
1640	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);	1761	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
…		…
1661	main_top_env = main_top_env->je_prev;	1782	main_top_env = main_top_env->je_prev;
1662		1783
1663	coroapi.ver = CORO_API_VERSION;	1784	coroapi.ver = CORO_API_VERSION;
1664	coroapi.rev = CORO_API_REVISION;	1785	coroapi.rev = CORO_API_REVISION;
1665	coroapi.transfer = api_transfer;	1786	coroapi.transfer = api_transfer;
		1787
		1788	{
		1789	SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0);
		1790
		1791	if (!svp) croak ("Time::HiRes is required");
		1792	if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");
		1793
		1794	nvtime = INT2PTR (double ()(), SvIV (svp));
		1795	}
1666		1796
1667	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	1797	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
1668	}	1798	}
1669		1799
1670	SV *	1800	SV *
…		…
1718	ta.next = 0;	1848	ta.next = 0;
1719	break;	1849	break;
1720		1850
1721	case 1:	1851	case 1:
1722	if (items != 2)	1852	if (items != 2)
1723	croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items);	1853	croak ("Coro::State::transfer (prev, next) expects two arguments, not %d", items);
1724		1854
1725	prepare_transfer (aTHX_ &ta, ST (0), ST (1));	1855	prepare_transfer (aTHX_ &ta, ST (0), ST (1));
1726	break;	1856	break;
1727		1857
1728	case 2:	1858	case 2:
…		…
1762	_exit (code);	1892	_exit (code);
1763		1893
1764	int	1894	int
1765	cctx_stacksize (int new_stacksize = 0)	1895	cctx_stacksize (int new_stacksize = 0)
1766	CODE:	1896	CODE:
1767	RETVAL = coro_stacksize;	1897	RETVAL = cctx_stacksize;
1768	if (new_stacksize)	1898	if (new_stacksize)
		1899	{
1769	coro_stacksize = new_stacksize;	1900	cctx_stacksize = new_stacksize;
		1901	++cctx_gen;
		1902	}
		1903	OUTPUT:
		1904	RETVAL
		1905
		1906	int
		1907	cctx_max_idle (int max_idle = 0)
		1908	CODE:
		1909	RETVAL = cctx_max_idle;
		1910	if (max_idle > 1)
		1911	cctx_max_idle = max_idle;
1770	OUTPUT:	1912	OUTPUT:
1771	RETVAL	1913	RETVAL
1772		1914
1773	int	1915	int
1774	cctx_count ()	1916	cctx_count ()
…		…
1798	call (Coro::State coro, SV *coderef)	1940	call (Coro::State coro, SV *coderef)
1799	ALIAS:	1941	ALIAS:
1800	eval = 1	1942	eval = 1
1801	CODE:	1943	CODE:
1802	{	1944	{
1803	if (coro->mainstack)	1945	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))
1804	{	1946	{
1805	struct coro temp;	1947	struct coro temp;
1806		1948
1807	if (!(coro->flags & CF_RUNNING))	1949	if (!(coro->flags & CF_RUNNING))
1808	{	1950	{
…		…
1890	force_cctx ()	2032	force_cctx ()
1891	CODE:	2033	CODE:
1892	struct coro *coro = SvSTATE (coro_current);	2034	struct coro *coro = SvSTATE (coro_current);
1893	coro->cctx->idle_sp = 0;	2035	coro->cctx->idle_sp = 0;
1894		2036
1895	MODULE = Coro::State PACKAGE = Coro
1896
1897	BOOT:
1898	{
1899	int i;
1900
1901	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
1902	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
1903	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
1904
1905	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);
1906	SvREADONLY_on (coro_current);
1907
1908	coro_stash = gv_stashpv ("Coro", TRUE);
1909
1910	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
1911	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
1912	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
1913	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
1914	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));
1915	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));
1916
1917	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
1918	coro_ready[i] = newAV ();
1919
1920	{
1921	SV *sv = perl_get_sv ("Coro::API", TRUE);
1922	perl_get_sv ("Coro::API", TRUE); /* silence 5.10 warning */
1923
1924	coroapi.schedule = api_schedule;
1925	coroapi.cede = api_cede;
1926	coroapi.cede_notself = api_cede_notself;
1927	coroapi.ready = api_ready;
1928	coroapi.is_ready = api_is_ready;
1929	coroapi.nready = &coro_nready;
1930	coroapi.current = coro_current;
1931
1932	GCoroAPI = &coroapi;
1933	sv_setiv (sv, (IV)&coroapi);
1934	SvREADONLY_on (sv);
1935	}
1936	}
1937
1938	void
1939	_set_current (SV *current)
1940	PROTOTYPE: $
1941	CODE:
1942	SvREFCNT_dec (SvRV (coro_current));
1943	SvRV_set (coro_current, SvREFCNT_inc (SvRV (current)));
1944
1945	void
1946	_set_readyhook (SV *hook)
1947	PROTOTYPE: $
1948	CODE:
1949	LOCK;
1950	SvREFCNT_dec (coro_readyhook);
1951	coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;
1952	UNLOCK;
1953
1954	int
1955	prio (Coro::State coro, int newprio = 0)
1956	ALIAS:
1957	nice = 1
1958	CODE:
1959	{
1960	RETVAL = coro->prio;
1961
1962	if (items > 1)
1963	{
1964	if (ix)
1965	newprio = coro->prio - newprio;
1966
1967	if (newprio < PRIO_MIN) newprio = PRIO_MIN;
1968	if (newprio > PRIO_MAX) newprio = PRIO_MAX;
1969
1970	coro->prio = newprio;
1971	}
1972	}
1973	OUTPUT:
1974	RETVAL
1975
1976	SV *
1977	ready (SV *self)
1978	PROTOTYPE: $
1979	CODE:
1980	RETVAL = boolSV (api_ready (self));
1981	OUTPUT:
1982	RETVAL
1983
1984	int
1985	nready (...)
1986	PROTOTYPE:
1987	CODE:
1988	RETVAL = coro_nready;
1989	OUTPUT:
1990	RETVAL
1991
1992	void
1993	throw (Coro::State self, SV *throw = &PL_sv_undef)
1994	PROTOTYPE: $;$
1995	CODE:
1996	SvREFCNT_dec (self->throw);
1997	self->throw = SvOK (throw) ? newSVsv (throw) : 0;
1998
1999	void	2037	void
2000	swap_defsv (Coro::State self)	2038	swap_defsv (Coro::State self)
2001	PROTOTYPE: $	2039	PROTOTYPE: $
2002	ALIAS:	2040	ALIAS:
2003	swap_defav = 1	2041	swap_defav = 1
…		…
2010	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;	2048	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;
2011		2049
2012	SV tmp = src; src = dst; *dst = tmp;	2050	SV tmp = src; src = dst; *dst = tmp;
2013	}	2051	}
2014		2052
		2053	MODULE = Coro::State PACKAGE = Coro
		2054
		2055	BOOT:
		2056	{
		2057	int i;
		2058
		2059	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
		2060	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
		2061	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
		2062
		2063	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);
		2064	SvREADONLY_on (coro_current);
		2065
		2066	coro_stash = gv_stashpv ("Coro", TRUE);
		2067
		2068	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
		2069	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
		2070	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
		2071	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
		2072	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));
		2073	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));
		2074
		2075	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
		2076	coro_ready[i] = newAV ();
		2077
		2078	{
		2079	SV *sv = perl_get_sv ("Coro::API", TRUE);
		2080	perl_get_sv ("Coro::API", TRUE); /* silence 5.10 warning */
		2081
		2082	coroapi.schedule = api_schedule;
		2083	coroapi.cede = api_cede;
		2084	coroapi.cede_notself = api_cede_notself;
		2085	coroapi.ready = api_ready;
		2086	coroapi.is_ready = api_is_ready;
		2087	coroapi.nready = &coro_nready;
		2088	coroapi.current = coro_current;
		2089
		2090	GCoroAPI = &coroapi;
		2091	sv_setiv (sv, (IV)&coroapi);
		2092	SvREADONLY_on (sv);
		2093	}
		2094	}
		2095
		2096	void
		2097	_set_current (SV *current)
		2098	PROTOTYPE: $
		2099	CODE:
		2100	SvREFCNT_dec (SvRV (coro_current));
		2101	SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));
		2102
		2103	void
		2104	_set_readyhook (SV *hook)
		2105	PROTOTYPE: $
		2106	CODE:
		2107	LOCK;
		2108	SvREFCNT_dec (coro_readyhook);
		2109	coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;
		2110	UNLOCK;
		2111
		2112	int
		2113	prio (Coro::State coro, int newprio = 0)
		2114	ALIAS:
		2115	nice = 1
		2116	CODE:
		2117	{
		2118	RETVAL = coro->prio;
		2119
		2120	if (items > 1)
		2121	{
		2122	if (ix)
		2123	newprio = coro->prio - newprio;
		2124
		2125	if (newprio < PRIO_MIN) newprio = PRIO_MIN;
		2126	if (newprio > PRIO_MAX) newprio = PRIO_MAX;
		2127
		2128	coro->prio = newprio;
		2129	}
		2130	}
		2131	OUTPUT:
		2132	RETVAL
		2133
		2134	SV *
		2135	ready (SV *self)
		2136	PROTOTYPE: $
		2137	CODE:
		2138	RETVAL = boolSV (api_ready (self));
		2139	OUTPUT:
		2140	RETVAL
		2141
		2142	int
		2143	nready (...)
		2144	PROTOTYPE:
		2145	CODE:
		2146	RETVAL = coro_nready;
		2147	OUTPUT:
		2148	RETVAL
		2149
		2150	void
		2151	throw (Coro::State self, SV *throw = &PL_sv_undef)
		2152	PROTOTYPE: $;$
		2153	CODE:
		2154	SvREFCNT_dec (self->throw);
		2155	self->throw = SvOK (throw) ? newSVsv (throw) : 0;
		2156
2015	# for async_pool speedup	2157	# for async_pool speedup
2016	void	2158	void
2017	_pool_1 (SV *cb)	2159	_pool_1 (SV *cb)
2018	CODE:	2160	CODE:
2019	{	2161	{
…		…
2031	SvREFCNT_dec (old);	2173	SvREFCNT_dec (old);
2032	croak ("\3async_pool terminate\2\n");	2174	croak ("\3async_pool terminate\2\n");
2033	}	2175	}
2034		2176
2035	SvREFCNT_dec (coro->saved_deffh);	2177	SvREFCNT_dec (coro->saved_deffh);
2036	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);	2178	coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv);
2037		2179
2038	hv_store (hv, "desc", sizeof ("desc") - 1,	2180	hv_store (hv, "desc", sizeof ("desc") - 1,
2039	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);	2181	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
2040		2182
2041	invoke_av = (AV *)SvRV (invoke);	2183	invoke_av = (AV *)SvRV (invoke);
…		…
2045		2187
2046	if (len > 0)	2188	if (len > 0)
2047	{	2189	{
2048	av_fill (defav, len - 1);	2190	av_fill (defav, len - 1);
2049	for (i = 0; i < len; ++i)	2191	for (i = 0; i < len; ++i)
2050	av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1]));	2192	av_store (defav, i, SvREFCNT_inc_NN (AvARRAY (invoke_av)[i + 1]));
2051	}	2193	}
2052		2194
2053	SvREFCNT_dec (invoke);	2195	SvREFCNT_dec (invoke);
2054	}	2196	}
2055		2197
…		…
2083	api_trace (coro_current, 0);	2225	api_trace (coro_current, 0);
2084		2226
2085	av_push (av_async_pool, newSVsv (coro_current));	2227	av_push (av_async_pool, newSVsv (coro_current));
2086	}	2228	}
2087		2229
		2230	#if 0
		2231
		2232	void
		2233	_generator_call (...)
		2234	PROTOTYPE: @
		2235	PPCODE:
		2236	fprintf (stderr, "call %p\n", CvXSUBANY(cv).any_ptr);
		2237	xxxx
		2238	abort ();
		2239
		2240	SV *
		2241	gensub (SV *sub, ...)
		2242	PROTOTYPE: &;@
		2243	CODE:
		2244	{
		2245	struct coro *coro;
		2246	MAGIC *mg;
		2247	CV *xcv;
		2248	CV ncv = (CV )newSV_type (SVt_PVCV);
		2249	int i;
		2250
		2251	CvGV (ncv) = CvGV (cv);
		2252	CvFILE (ncv) = CvFILE (cv);
		2253
		2254	Newz (0, coro, 1, struct coro);
		2255	coro->args = newAV ();
		2256	coro->flags = CF_NEW;
		2257
		2258	av_extend (coro->args, items - 1);
		2259	for (i = 1; i < items; i++)
		2260	av_push (coro->args, newSVsv (ST (i)));
		2261
		2262	CvISXSUB_on (ncv);
		2263	CvXSUBANY (ncv).any_ptr = (void *)coro;
		2264
		2265	xcv = GvCV (gv_fetchpv ("Coro::_generator_call", 0, SVt_PVCV));
		2266
		2267	CvXSUB (ncv) = CvXSUB (xcv);
		2268	CvANON_on (ncv);
		2269
		2270	mg = sv_magicext ((SV )ncv, 0, CORO_MAGIC_type_state, &coro_gensub_vtbl, (char )coro, 0);
		2271	RETVAL = newRV_noinc ((SV *)ncv);
		2272	}
		2273	OUTPUT:
		2274	RETVAL
		2275
		2276	#endif
		2277
2088		2278
2089	MODULE = Coro::State PACKAGE = Coro::AIO	2279	MODULE = Coro::State PACKAGE = Coro::AIO
2090		2280
2091	SV *	2281	void
2092	_get_state ()	2282	_get_state (SV *self)
2093	CODE:	2283	PPCODE:
2094	{	2284	{
2095	struct io_state *data;	2285	AV *defav = GvAV (PL_defgv);
2096		2286	AV *av = newAV ();
		2287	int i;
2097	RETVAL = newSV (sizeof (struct io_state));	2288	SV *data_sv = newSV (sizeof (struct io_state));
2098	data = (struct io_state *)SvPVX (RETVAL);	2289	struct io_state data = (struct io_state )SvPVX (data_sv);
2099	SvCUR_set (RETVAL, sizeof (struct io_state));	2290	SvCUR_set (data_sv, sizeof (struct io_state));
2100	SvPOK_only (RETVAL);	2291	SvPOK_only (data_sv);
2101		2292
2102	data->errorno = errno;	2293	data->errorno = errno;
2103	data->laststype = PL_laststype;	2294	data->laststype = PL_laststype;
2104	data->laststatval = PL_laststatval;	2295	data->laststatval = PL_laststatval;
2105	data->statcache = PL_statcache;	2296	data->statcache = PL_statcache;
		2297
		2298	av_extend (av, AvFILLp (defav) + 1 + 1);
		2299
		2300	for (i = 0; i <= AvFILLp (defav); ++i)
		2301	av_push (av, SvREFCNT_inc_NN (AvARRAY (defav)[i]));
		2302
		2303	av_push (av, data_sv);
		2304
		2305	XPUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		2306
		2307	api_ready (self);
2106	}	2308	}
2107	OUTPUT:
2108	RETVAL
2109		2309
2110	void	2310	void
2111	_set_state (char *data_)	2311	_set_state (SV *state)
2112	PROTOTYPE: $	2312	PROTOTYPE: $
2113	CODE:	2313	PPCODE:
2114	{	2314	{
2115	struct io_state data = (void )data_;	2315	AV av = (AV )SvRV (state);
		2316	struct io_state data = (struct io_state )SvPVX (AvARRAY (av)[AvFILLp (av)]);
		2317	int i;
2116		2318
2117	errno = data->errorno;	2319	errno = data->errorno;
2118	PL_laststype = data->laststype;	2320	PL_laststype = data->laststype;
2119	PL_laststatval = data->laststatval;	2321	PL_laststatval = data->laststatval;
2120	PL_statcache = data->statcache;	2322	PL_statcache = data->statcache;
		2323
		2324	EXTEND (SP, AvFILLp (av));
		2325	for (i = 0; i < AvFILLp (av); ++i)
		2326	PUSHs (sv_2mortal (SvREFCNT_inc_NN (AvARRAY (av)[i])));
2121	}	2327	}
2122		2328
2123		2329
2124	MODULE = Coro::State PACKAGE = Coro::AnyEvent	2330	MODULE = Coro::State PACKAGE = Coro::AnyEvent
2125		2331
…		…
2149	}	2355	}
2150		2356
2151	--incede;	2357	--incede;
2152	}	2358	}
2153		2359
		2360
		2361	MODULE = Coro::State PACKAGE = PerlIO::cede
		2362
		2363	BOOT:
		2364	PerlIO_define_layer (aTHX_ &PerlIO_cede);

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Comparing Coro/Coro/State.xs (file contents): Revision 1.241 by root, Mon Jul 21 02:39:15 2008 UTC vs. Revision 1.254 by root, Fri Nov 7 20:27:47 2008 UTC

Diff Legend

Comparing Coro/Coro/State.xs (file contents):
Revision 1.241 by root, Mon Jul 21 02:39:15 2008 UTC vs.
Revision 1.254 by root, Fri Nov 7 20:27:47 2008 UTC