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

Comparing Coro/Coro/State.xs (file contents):
Revision 1.229 by root, Thu Apr 10 07:45:33 2008 UTC vs.
Revision 1.252 by root, Tue Nov 4 12:08:44 2008 UTC

…		…
4	#define PERL_EXT	4	#define PERL_EXT
5		5
6	#include "EXTERN.h"	6	#include "EXTERN.h"
7	#include "perl.h"	7	#include "perl.h"
8	#include "XSUB.h"	8	#include "XSUB.h"
		9	#include "perliol.h"
9		10
10	#include "patchlevel.h"	11	#include "patchlevel.h"
11		12
12	#include <stdio.h>	13	#include <stdio.h>
13	#include <errno.h>	14	#include <errno.h>
14	#include <assert.h>	15	#include <assert.h>
		16
		17	#ifdef WIN32
		18	# undef setjmp
		19	# undef longjmp
		20	# undef _exit
		21	# define setjmp _setjmp // deep magic, don't ask
		22	#else
15	#include <inttypes.h> /* portable stdint.h */	23	# include <inttypes.h> /* most portable stdint.h */
		24	#endif
16		25
17	#ifdef HAVE_MMAP	26	#ifdef HAVE_MMAP
18	# include <unistd.h>	27	# include <unistd.h>
19	# include <sys/mman.h>	28	# include <sys/mman.h>
20	# ifndef MAP_ANONYMOUS	29	# ifndef MAP_ANONYMOUS
…		…
72	# ifndef IS_PADCONST	81	# ifndef IS_PADCONST
73	# define IS_PADCONST(v) 0	82	# define IS_PADCONST(v) 0
74	# endif	83	# endif
75	#endif	84	#endif
76		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
77	/* 5.8.8 */	96	/* 5.8.8 */
78	#ifndef GV_NOTQUAL	97	#ifndef GV_NOTQUAL
79	# define GV_NOTQUAL 0	98	# define GV_NOTQUAL 0
80	#endif	99	#endif
81	#ifndef newSV	100	#ifndef newSV
82	# define newSV(l) NEWSV(0,l)	101	# define newSV(l) NEWSV(0,l)
83	#endif
84
85	/* 5.11 */
86	#ifndef CxHASARGS
87	# define CxHASARGS(cx) (cx)->blk_sub.hasargs
88	#endif	102	#endif
89		103
90	/* 5.8.7 */	104	/* 5.8.7 */
91	#ifndef SvRV_set	105	#ifndef SvRV_set
92	# define SvRV_set(s,v) SvRV(s) = (v)	106	# define SvRV_set(s,v) SvRV(s) = (v)
…		…
139	#endif	153	#endif
140		154
141	/* helper storage struct for Coro::AIO */	155	/* helper storage struct for Coro::AIO */
142	struct io_state	156	struct io_state
143	{	157	{
		158	AV *res;
144	int errorno;	159	int errorno;
145	I32 laststype;	160	I32 laststype;
146	int laststatval;	161	int laststatval;
147	Stat_t statcache;	162	Stat_t statcache;
148	};	163	};
149		164
		165	static double (nvtime)(); / so why doesn't it take void? */
		166
150	static size_t coro_stacksize = CORO_STACKSIZE;	167	static size_t coro_stacksize = CORO_STACKSIZE;
151	static struct CoroAPI coroapi;	168	static struct CoroAPI coroapi;
152	static AV main_mainstack; / used to differentiate between $main and others */	169	static AV main_mainstack; / used to differentiate between $main and others */
153	static JMPENV *main_top_env;	170	static JMPENV *main_top_env;
154	static HV coro_state_stash, coro_stash;	171	static HV coro_state_stash, coro_stash;
155	static volatile SV coro_mortal; / will be freed after next transfer */	172	static volatile SV coro_mortal; / will be freed/thrown after next transfer */
156		173
157	static GV irsgv; / $/ */	174	static GV irsgv; / $/ */
158	static GV stdoutgv; / STDOUT /	175	static GV stdoutgv; / STDOUT /
159	static SV *rv_diehook;	176	static SV *rv_diehook;
160	static SV *rv_warnhook;	177	static SV *rv_warnhook;
…		…
162		179
163	/* async_pool helper stuff */	180	/* async_pool helper stuff */
164	static SV *sv_pool_rss;	181	static SV *sv_pool_rss;
165	static SV *sv_pool_size;	182	static SV *sv_pool_size;
166	static AV *av_async_pool;	183	static AV *av_async_pool;
		184
		185	/* Coro::AnyEvent */
		186	static SV *sv_activity;
167		187
168	static struct coro_cctx *cctx_first;	188	static struct coro_cctx *cctx_first;
169	static int cctx_count, cctx_idle;	189	static int cctx_count, cctx_idle;
170		190
171	enum {	191	enum {
…		…
257	#define PRIO_IDLE -3	277	#define PRIO_IDLE -3
258	#define PRIO_MIN -4	278	#define PRIO_MIN -4
259		279
260	/* for Coro.pm */	280	/* for Coro.pm */
261	static SV *coro_current;	281	static SV *coro_current;
		282	static SV *coro_readyhook;
262	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];	283	static AV *coro_ready [PRIO_MAX-PRIO_MIN+1];
263	static int coro_nready;	284	static int coro_nready;
264	static struct coro *coro_first;	285	static struct coro *coro_first;
265		286
266	/ lowlevel stuff ********************************************************/	287	/ lowlevel stuff ********************************************************/
…		…
309	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);	330	Perl_pad_push (aTHX_ padlist, AvFILLp (padlist) + 1, 1);
310	#endif	331	#endif
311	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];	332	newpad = (AV *)AvARRAY (padlist)[AvFILLp (padlist)];
312	--AvFILLp (padlist);	333	--AvFILLp (padlist);
313		334
314	av_store (newpadlist, 0, SvREFCNT_inc (*av_fetch (padlist, 0, FALSE)));	335	av_store (newpadlist, 0, SvREFCNT_inc_NN (*av_fetch (padlist, 0, FALSE)));
315	av_store (newpadlist, 1, (SV *)newpad);	336	av_store (newpadlist, 1, (SV *)newpad);
316		337
317	return newpadlist;	338	return newpadlist;
318	}	339	}
319		340
…		…
349		370
350	/* casting is fun. */	371	/* casting is fun. */
351	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))	372	while (&PL_sv_undef != (SV )(padlist = (AV )av_pop (av)))
352	free_padlist (aTHX_ padlist);	373	free_padlist (aTHX_ padlist);
353		374
		375	SvREFCNT_dec (av); /* sv_magicext increased the refcount */
		376
354	return 0;	377	return 0;
355	}	378	}
356		379
357	#define CORO_MAGIC_type_cv PERL_MAGIC_ext	380	#define CORO_MAGIC_type_cv PERL_MAGIC_ext
358	#define CORO_MAGIC_type_state PERL_MAGIC_ext	381	#define CORO_MAGIC_type_state PERL_MAGIC_ext
…		…
408	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))	431	if (expect_true (mg && AvFILLp ((av = (AV *)mg->mg_obj)) >= 0))
409	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];	432	CvPADLIST (cv) = (AV *)AvARRAY (av)[AvFILLp (av)--];
410	else	433	else
411	{	434	{
412	#if CORO_PREFER_PERL_FUNCTIONS	435	#if CORO_PREFER_PERL_FUNCTIONS
413	/* this is probably cleaner, but also slower? */	436	/* this is probably cleaner? but also slower! */
		437	/* in practise, it seems to be less stable */
414	CV *cp = Perl_cv_clone (cv);	438	CV *cp = Perl_cv_clone (cv);
415	CvPADLIST (cv) = CvPADLIST (cp);	439	CvPADLIST (cv) = CvPADLIST (cp);
416	CvPADLIST (cp) = 0;	440	CvPADLIST (cp) = 0;
417	SvREFCNT_dec (cp);	441	SvREFCNT_dec (cp);
418	#else	442	#else
…		…
502		526
503	if (expect_true (CvDEPTH (cv)))	527	if (expect_true (CvDEPTH (cv)))
504	{	528	{
505	EXTEND (SP, 3);	529	EXTEND (SP, 3);
506	PUSHs ((SV *)CvPADLIST (cv));	530	PUSHs ((SV *)CvPADLIST (cv));
507	PUSHs (INT2PTR (SV *, CvDEPTH (cv)));	531	PUSHs (INT2PTR (SV *, (IV)CvDEPTH (cv)));
508	PUSHs ((SV *)cv);	532	PUSHs ((SV *)cv);
509		533
510	CvDEPTH (cv) = 0;	534	CvDEPTH (cv) = 0;
511	get_padlist (aTHX_ cv);	535	get_padlist (aTHX_ cv);
512	}	536	}
…		…
651	#undef VAR	675	#undef VAR
652	}	676	}
653	else	677	else
654	slot = coro->slot;	678	slot = coro->slot;
655		679
		680	if (slot)
		681	{
656	rss += sizeof (slot->curstackinfo);	682	rss += sizeof (slot->curstackinfo);
657	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);	683	rss += (slot->curstackinfo->si_cxmax + 1) * sizeof (PERL_CONTEXT);
658	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);	684	rss += sizeof (SV) + sizeof (struct xpvav) + (1 + AvMAX (slot->curstack)) * sizeof (SV *);
659	rss += slot->tmps_max * sizeof (SV *);	685	rss += slot->tmps_max * sizeof (SV *);
660	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);	686	rss += (slot->markstack_max - slot->markstack_ptr) * sizeof (I32);
661	rss += slot->scopestack_max * sizeof (I32);	687	rss += slot->scopestack_max * sizeof (I32);
662	rss += slot->savestack_max * sizeof (ANY);	688	rss += slot->savestack_max * sizeof (ANY);
663		689
664	#if !PERL_VERSION_ATLEAST (5,10,0)	690	#if !PERL_VERSION_ATLEAST (5,10,0)
665	rss += slot->retstack_max * sizeof (OP *);	691	rss += slot->retstack_max * sizeof (OP *);
666	#endif	692	#endif
		693	}
667	}	694	}
668		695
669	return rss;	696	return rss;
670	}	697	}
671		698
672	/ coroutine stack handling **********************************************/	699	/ coroutine stack handling **********************************************/
673		700
674	static int (orig_sigelem_get) (pTHX_ SV sv, MAGIC *mg);	701	static int (orig_sigelem_get) (pTHX_ SV sv, MAGIC *mg);
675	static int (orig_sigelem_set) (pTHX_ SV sv, MAGIC *mg);	702	static int (orig_sigelem_set) (pTHX_ SV sv, MAGIC *mg);
		703	static int (orig_sigelem_clr) (pTHX_ SV sv, MAGIC *mg);
		704
		705	/* apparently < 5.8.8 */
		706	#ifndef MgPV_nolen_const
		707	#define MgPV_nolen_const(mg) (((((int)(mg)->mg_len)) == HEf_SVKEY) ? \
		708	SvPV_nolen((SV*)((mg)->mg_ptr)) : \
		709	(const char*)(mg)->mg_ptr)
		710	#endif
676		711
677	/*	712	/*
678	* This overrides the default magic get method of %SIG elements.	713	* This overrides the default magic get method of %SIG elements.
679	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook	714	* The original one doesn't provide for reading back of PL_diehook/PL_warnhook
680	* and instead of tryign to save and restore the hash elements, we just provide	715	* and instead of tryign to save and restore the hash elements, we just provide
…		…
688	{	723	{
689	const char *s = MgPV_nolen_const (mg);	724	const char *s = MgPV_nolen_const (mg);
690		725
691	if (*s == '_')	726	if (*s == '_')
692	{	727	{
693	if (strEQ (s, "__DIE__" ) && PL_diehook ) return sv_setsv (sv, PL_diehook ), 0;	728	SV **svp = 0;
694	if (strEQ (s, "__WARN__") && PL_warnhook) return sv_setsv (sv, PL_warnhook), 0;	729
		730	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		731	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		732
		733	if (svp)
		734	{
		735	sv_setsv (sv, svp ? svp : &PL_sv_undef);
		736	return 0;
		737	}
695	}	738	}
696		739
697	return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0;	740	return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0;
		741	}
		742
		743	static int
		744	coro_sigelem_clr (pTHX_ SV sv, MAGIC mg)
		745	{
		746	const char *s = MgPV_nolen_const (mg);
		747
		748	if (*s == '_')
		749	{
		750	SV **svp = 0;
		751
		752	if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
		753	if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
		754
		755	if (svp)
		756	{
		757	SV old = svp;
		758	*svp = 0;
		759	SvREFCNT_dec (old);
		760	return 0;
		761	}
		762	}
		763
		764	return orig_sigelem_clr ? orig_sigelem_clr (aTHX_ sv, mg) : 0;
698	}	765	}
699		766
700	static int	767	static int
701	coro_sigelem_set (pTHX_ SV sv, MAGIC mg)	768	coro_sigelem_set (pTHX_ SV sv, MAGIC mg)
702	{	769	{
…		…
712	if (svp)	779	if (svp)
713	{	780	{
714	SV old = svp;	781	SV old = svp;
715	*svp = newSVsv (sv);	782	*svp = newSVsv (sv);
716	SvREFCNT_dec (old);	783	SvREFCNT_dec (old);
717	return;	784	return 0;
718	}	785	}
719	}	786	}
720		787
721	return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0;	788	return orig_sigelem_set ? orig_sigelem_set (aTHX_ sv, mg) : 0;
722	}	789	}
…		…
749	GvSV (PL_defgv) = newSV (0);	816	GvSV (PL_defgv) = newSV (0);
750	GvAV (PL_defgv) = coro->args; coro->args = 0;	817	GvAV (PL_defgv) = coro->args; coro->args = 0;
751	GvSV (PL_errgv) = newSV (0);	818	GvSV (PL_errgv) = newSV (0);
752	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);	819	GvSV (irsgv) = newSVpvn ("\n", 1); sv_magic (GvSV (irsgv), (SV *)irsgv, PERL_MAGIC_sv, "/", 0);
753	PL_rs = newSVsv (GvSV (irsgv));	820	PL_rs = newSVsv (GvSV (irsgv));
754	PL_defoutgv = (GV *)SvREFCNT_inc (stdoutgv);	821	PL_defoutgv = (GV *)SvREFCNT_inc_NN (stdoutgv);
755		822
756	{	823	{
757	dSP;	824	dSP;
758	LOGOP myop;	825	LOGOP myop;
759		826
…		…
855	: cx->blk_gimme == G_SCALAR ? bot + 1	922	: cx->blk_gimme == G_SCALAR ? bot + 1
856	: bot;	923	: bot;
857		924
858	av_extend (av, top - bot);	925	av_extend (av, top - bot);
859	while (bot < top)	926	while (bot < top)
860	av_push (av, SvREFCNT_inc (*bot++));	927	av_push (av, SvREFCNT_inc_NN (*bot++));
861		928
862	PL_runops = RUNOPS_DEFAULT;	929	PL_runops = RUNOPS_DEFAULT;
863	ENTER;	930	ENTER;
864	SAVETMPS;	931	SAVETMPS;
865	EXTEND (SP, 3);	932	EXTEND (SP, 3);
…		…
1130		1197
1131	if (expect_false (next->flags & CF_DESTROYED))	1198	if (expect_false (next->flags & CF_DESTROYED))
1132	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");	1199	croak ("Coro::State::transfer called with destroyed next Coro::State, but can only transfer to inactive states");
1133		1200
1134	#if !PERL_VERSION_ATLEAST (5,10,0)	1201	#if !PERL_VERSION_ATLEAST (5,10,0)
1135	if (expect_false (PL_lex_state != LEX_NOTPARSING)	1202	if (expect_false (PL_lex_state != LEX_NOTPARSING))
1136	croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version");	1203	croak ("Coro::State::transfer called while parsing, but this is not supported in your perl version");
1137	#endif	1204	#endif
1138	}	1205	}
1139	}	1206	}
1140		1207
1141	/* always use the TRANSFER macro */	1208	/* always use the TRANSFER macro */
1142	static void NOINLINE	1209	static void NOINLINE
1143	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)	1210	transfer (pTHX_ struct coro prev, struct coro next, int force_cctx)
1144	{	1211	{
1145	dSTACKLEVEL;	1212	dSTACKLEVEL;
1146	static volatile int has_throw;
1147		1213
1148	/* sometimes transfer is only called to set idle_sp */	1214	/* sometimes transfer is only called to set idle_sp */
1149	if (expect_false (!next))	1215	if (expect_false (!next))
1150	{	1216	{
1151	((coro_cctx *)prev)->idle_sp = STACKLEVEL;	1217	((coro_cctx *)prev)->idle_sp = STACKLEVEL;
1152	assert (((coro_cctx )prev)->idle_te = PL_top_env); / just for the side-effect when asserts are enabled */	1218	assert (((coro_cctx )prev)->idle_te = PL_top_env); / just for the side-effect when asserts are enabled */
1153	}	1219	}
1154	else if (expect_true (prev != next))	1220	else if (expect_true (prev != next))
1155	{	1221	{
		1222	static volatile int has_throw;
1156	coro_cctx *prev__cctx;	1223	coro_cctx *prev__cctx;
1157		1224
1158	if (expect_false (prev->flags & CF_NEW))	1225	if (expect_false (prev->flags & CF_NEW))
1159	{	1226	{
1160	/* create a new empty context */	1227	/* create a new empty context */
…		…
1371	static int	1438	static int
1372	api_ready (SV *coro_sv)	1439	api_ready (SV *coro_sv)
1373	{	1440	{
1374	dTHX;	1441	dTHX;
1375	struct coro *coro;	1442	struct coro *coro;
		1443	SV *sv_hook;
		1444	void (*xs_hook)(void);
1376		1445
1377	if (SvROK (coro_sv))	1446	if (SvROK (coro_sv))
1378	coro_sv = SvRV (coro_sv);	1447	coro_sv = SvRV (coro_sv);
1379		1448
1380	coro = SvSTATE (coro_sv);	1449	coro = SvSTATE (coro_sv);
…		…
1383	return 0;	1452	return 0;
1384		1453
1385	coro->flags \|= CF_READY;	1454	coro->flags \|= CF_READY;
1386		1455
1387	LOCK;	1456	LOCK;
		1457
		1458	sv_hook = coro_nready ? 0 : coro_readyhook;
		1459	xs_hook = coro_nready ? 0 : coroapi.readyhook;
		1460
1388	coro_enq (aTHX_ SvREFCNT_inc (coro_sv));	1461	coro_enq (aTHX_ SvREFCNT_inc_NN (coro_sv));
1389	++coro_nready;	1462	++coro_nready;
		1463
1390	UNLOCK;	1464	UNLOCK;
		1465
		1466	if (sv_hook)
		1467	{
		1468	dSP;
		1469
		1470	ENTER;
		1471	SAVETMPS;
		1472
		1473	PUSHMARK (SP);
		1474	PUTBACK;
		1475	call_sv (sv_hook, G_DISCARD);
		1476	SPAGAIN;
		1477
		1478	FREETMPS;
		1479	LEAVE;
		1480	}
		1481
		1482	if (xs_hook)
		1483	xs_hook ();
1391		1484
1392	return 1;	1485	return 1;
1393	}	1486	}
1394		1487
1395	static int	1488	static int
…		…
1545	else	1638	else
1546	coro->slot->runops = RUNOPS_DEFAULT;	1639	coro->slot->runops = RUNOPS_DEFAULT;
1547	}	1640	}
1548	}	1641	}
1549		1642
		1643	static int
		1644	coro_gensub_free (pTHX_ SV sv, MAGIC mg)
		1645	{
		1646	AV *padlist;
		1647	AV av = (AV )mg->mg_obj;
		1648
		1649	abort ();
		1650
		1651	return 0;
		1652	}
		1653
		1654	static MGVTBL coro_gensub_vtbl = {
		1655	0, 0, 0, 0,
		1656	coro_gensub_free
		1657	};
		1658
		1659	/*****************************************************************************/
		1660	/* PerlIO::cede */
		1661
		1662	typedef struct
		1663	{
		1664	PerlIOBuf base;
		1665	NV next, every;
		1666	} PerlIOCede;
		1667
		1668	static IV
		1669	PerlIOCede_pushed (pTHX_ PerlIO f, const char mode, SV arg, PerlIO_funcs tab)
		1670	{
		1671	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1672
		1673	self->every = SvCUR (arg) ? SvNV (arg) : 0.01;
		1674	self->next = nvtime () + self->every;
		1675
		1676	return PerlIOBuf_pushed (aTHX_ f, mode, Nullsv, tab);
		1677	}
		1678
		1679	static SV *
		1680	PerlIOCede_getarg (pTHX_ PerlIO f, CLONE_PARAMS param, int flags)
		1681	{
		1682	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1683
		1684	return newSVnv (self->every);
		1685	}
		1686
		1687	static IV
		1688	PerlIOCede_flush (pTHX_ PerlIO *f)
		1689	{
		1690	PerlIOCede *self = PerlIOSelf (f, PerlIOCede);
		1691	double now = nvtime ();
		1692
		1693	if (now >= self->next)
		1694	{
		1695	api_cede ();
		1696	self->next = now + self->every;
		1697	}
		1698
		1699	return PerlIOBuf_flush (aTHX_ f);
		1700	}
		1701
		1702	static PerlIO_funcs PerlIO_cede =
		1703	{
		1704	sizeof(PerlIO_funcs),
		1705	"cede",
		1706	sizeof(PerlIOCede),
		1707	PERLIO_K_DESTRUCT \| PERLIO_K_RAW,
		1708	PerlIOCede_pushed,
		1709	PerlIOBuf_popped,
		1710	PerlIOBuf_open,
		1711	PerlIOBase_binmode,
		1712	PerlIOCede_getarg,
		1713	PerlIOBase_fileno,
		1714	PerlIOBuf_dup,
		1715	PerlIOBuf_read,
		1716	PerlIOBuf_unread,
		1717	PerlIOBuf_write,
		1718	PerlIOBuf_seek,
		1719	PerlIOBuf_tell,
		1720	PerlIOBuf_close,
		1721	PerlIOCede_flush,
		1722	PerlIOBuf_fill,
		1723	PerlIOBase_eof,
		1724	PerlIOBase_error,
		1725	PerlIOBase_clearerr,
		1726	PerlIOBase_setlinebuf,
		1727	PerlIOBuf_get_base,
		1728	PerlIOBuf_bufsiz,
		1729	PerlIOBuf_get_ptr,
		1730	PerlIOBuf_get_cnt,
		1731	PerlIOBuf_set_ptrcnt,
		1732	};
		1733
		1734
1550	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_	1735	MODULE = Coro::State PACKAGE = Coro::State PREFIX = api_
1551		1736
1552	PROTOTYPES: DISABLE	1737	PROTOTYPES: DISABLE
1553		1738
1554	BOOT:	1739	BOOT:
…		…
1559	BOOT_PAGESIZE;	1744	BOOT_PAGESIZE;
1560		1745
1561	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);	1746	irsgv = gv_fetchpv ("/" , GV_ADD\|GV_NOTQUAL, SVt_PV);
1562	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);	1747	stdoutgv = gv_fetchpv ("STDOUT", GV_ADD\|GV_NOTQUAL, SVt_PVIO);
1563		1748
1564	orig_sigelem_get = PL_vtbl_sigelem.svt_get;	1749	orig_sigelem_get = PL_vtbl_sigelem.svt_get; PL_vtbl_sigelem.svt_get = coro_sigelem_get;
1565	PL_vtbl_sigelem.svt_get = coro_sigelem_get;	1750	orig_sigelem_set = PL_vtbl_sigelem.svt_set; PL_vtbl_sigelem.svt_set = coro_sigelem_set;
1566	orig_sigelem_set = PL_vtbl_sigelem.svt_set;	1751	orig_sigelem_clr = PL_vtbl_sigelem.svt_clear; PL_vtbl_sigelem.svt_clear = coro_sigelem_clr;
1567	PL_vtbl_sigelem.svt_set = coro_sigelem_set;
1568		1752
1569	hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);	1753	hv_sig = coro_get_hv (aTHX_ "SIG", TRUE);
1570	rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));	1754	rv_diehook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::diehook" , 0, SVt_PVCV));
1571	rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));	1755	rv_warnhook = newRV_inc ((SV *)gv_fetchpv ("Coro::State::warnhook", 0, SVt_PVCV));
1572		1756
…		…
1581	main_top_env = PL_top_env;	1765	main_top_env = PL_top_env;
1582		1766
1583	while (main_top_env->je_prev)	1767	while (main_top_env->je_prev)
1584	main_top_env = main_top_env->je_prev;	1768	main_top_env = main_top_env->je_prev;
1585		1769
1586	coroapi.ver = CORO_API_VERSION;	1770	coroapi.ver = CORO_API_VERSION;
1587	coroapi.rev = CORO_API_REVISION;	1771	coroapi.rev = CORO_API_REVISION;
1588	coroapi.transfer = api_transfer;	1772	coroapi.transfer = api_transfer;
		1773
		1774	{
		1775	SV **svp = hv_fetch (PL_modglobal, "Time::NVtime", 12, 0);
		1776
		1777	if (!svp) croak ("Time::HiRes is required");
		1778	if (!SvIOK (*svp)) croak ("Time::NVtime isn't a function pointer");
		1779
		1780	nvtime = INT2PTR (double ()(), SvIV (svp));
		1781	}
1589		1782
1590	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));	1783	assert (("PRIO_NORMAL must be 0", !PRIO_NORMAL));
1591	}	1784	}
1592		1785
1593	SV *	1786	SV *
…		…
1641	ta.next = 0;	1834	ta.next = 0;
1642	break;	1835	break;
1643		1836
1644	case 1:	1837	case 1:
1645	if (items != 2)	1838	if (items != 2)
1646	croak ("Coro::State::transfer (prev,next) expects two arguments, not %d", items);	1839	croak ("Coro::State::transfer (prev, next) expects two arguments, not %d", items);
1647		1840
1648	prepare_transfer (aTHX_ &ta, ST (0), ST (1));	1841	prepare_transfer (aTHX_ &ta, ST (0), ST (1));
1649	break;	1842	break;
1650		1843
1651	case 2:	1844	case 2:
…		…
1677	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));	1870	RETVAL = coro_state_destroy (aTHX_ SvSTATE (coro_sv));
1678	OUTPUT:	1871	OUTPUT:
1679	RETVAL	1872	RETVAL
1680		1873
1681	void	1874	void
1682	_exit (code)	1875	_exit (int code)
1683	int code
1684	PROTOTYPE: $	1876	PROTOTYPE: $
1685	CODE:	1877	CODE:
1686	_exit (code);	1878	_exit (code);
1687		1879
1688	int	1880	int
…		…
1722	call (Coro::State coro, SV *coderef)	1914	call (Coro::State coro, SV *coderef)
1723	ALIAS:	1915	ALIAS:
1724	eval = 1	1916	eval = 1
1725	CODE:	1917	CODE:
1726	{	1918	{
1727	if (coro->mainstack)	1919	if (coro->mainstack && ((coro->flags & CF_RUNNING) \|\| coro->slot))
1728	{	1920	{
1729	struct coro temp;	1921	struct coro temp;
1730		1922
1731	if (!(coro->flags & CF_RUNNING))	1923	if (!(coro->flags & CF_RUNNING))
1732	{	1924	{
…		…
1779		1971
1780	void	1972	void
1781	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)	1973	api_trace (SV *coro, int flags = CC_TRACE \| CC_TRACE_SUB)
1782		1974
1783	SV *	1975	SV *
1784	has_stack (Coro::State coro)	1976	has_cctx (Coro::State coro)
1785	PROTOTYPE: $	1977	PROTOTYPE: $
1786	CODE:	1978	CODE:
1787	RETVAL = boolSV (!!coro->cctx);	1979	RETVAL = boolSV (!!coro->cctx);
1788	OUTPUT:	1980	OUTPUT:
1789	RETVAL	1981	RETVAL
…		…
1814	force_cctx ()	2006	force_cctx ()
1815	CODE:	2007	CODE:
1816	struct coro *coro = SvSTATE (coro_current);	2008	struct coro *coro = SvSTATE (coro_current);
1817	coro->cctx->idle_sp = 0;	2009	coro->cctx->idle_sp = 0;
1818		2010
1819	MODULE = Coro::State PACKAGE = Coro
1820
1821	BOOT:
1822	{
1823	int i;
1824
1825	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
1826	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
1827	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
1828
1829	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);
1830	SvREADONLY_on (coro_current);
1831
1832	coro_stash = gv_stashpv ("Coro", TRUE);
1833
1834	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
1835	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
1836	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
1837	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
1838	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));
1839	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));
1840
1841	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
1842	coro_ready[i] = newAV ();
1843
1844	{
1845	SV *sv = perl_get_sv ("Coro::API", TRUE);
1846	perl_get_sv ("Coro::API", TRUE); /* silence 5.10 warning */
1847
1848	coroapi.schedule = api_schedule;
1849	coroapi.cede = api_cede;
1850	coroapi.cede_notself = api_cede_notself;
1851	coroapi.ready = api_ready;
1852	coroapi.is_ready = api_is_ready;
1853	coroapi.nready = &coro_nready;
1854	coroapi.current = coro_current;
1855
1856	GCoroAPI = &coroapi;
1857	sv_setiv (sv, (IV)&coroapi);
1858	SvREADONLY_on (sv);
1859	}
1860	}
1861
1862	void
1863	_set_current (SV *current)
1864	PROTOTYPE: $
1865	CODE:
1866	SvREFCNT_dec (SvRV (coro_current));
1867	SvRV_set (coro_current, SvREFCNT_inc (SvRV (current)));
1868
1869	int
1870	prio (Coro::State coro, int newprio = 0)
1871	ALIAS:
1872	nice = 1
1873	CODE:
1874	{
1875	RETVAL = coro->prio;
1876
1877	if (items > 1)
1878	{
1879	if (ix)
1880	newprio = coro->prio - newprio;
1881
1882	if (newprio < PRIO_MIN) newprio = PRIO_MIN;
1883	if (newprio > PRIO_MAX) newprio = PRIO_MAX;
1884
1885	coro->prio = newprio;
1886	}
1887	}
1888	OUTPUT:
1889	RETVAL
1890
1891	SV *
1892	ready (SV *self)
1893	PROTOTYPE: $
1894	CODE:
1895	RETVAL = boolSV (api_ready (self));
1896	OUTPUT:
1897	RETVAL
1898
1899	int
1900	nready (...)
1901	PROTOTYPE:
1902	CODE:
1903	RETVAL = coro_nready;
1904	OUTPUT:
1905	RETVAL
1906
1907	void
1908	throw (Coro::State self, SV *throw = &PL_sv_undef)
1909	PROTOTYPE: $;$
1910	CODE:
1911	SvREFCNT_dec (self->throw);
1912	self->throw = SvOK (throw) ? newSVsv (throw) : 0;
1913
1914	void	2011	void
1915	swap_defsv (Coro::State self)	2012	swap_defsv (Coro::State self)
1916	PROTOTYPE: $	2013	PROTOTYPE: $
1917	ALIAS:	2014	ALIAS:
1918	swap_defav = 1	2015	swap_defav = 1
…		…
1925	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;	2022	SV dst = ix ? (SV )&self->slot->defav : (SV **)&self->slot->defsv;
1926		2023
1927	SV tmp = src; src = dst; *dst = tmp;	2024	SV tmp = src; src = dst; *dst = tmp;
1928	}	2025	}
1929		2026
		2027	MODULE = Coro::State PACKAGE = Coro
		2028
		2029	BOOT:
		2030	{
		2031	int i;
		2032
		2033	av_async_pool = coro_get_av (aTHX_ "Coro::async_pool", TRUE);
		2034	sv_pool_rss = coro_get_sv (aTHX_ "Coro::POOL_RSS" , TRUE);
		2035	sv_pool_size = coro_get_sv (aTHX_ "Coro::POOL_SIZE" , TRUE);
		2036
		2037	coro_current = coro_get_sv (aTHX_ "Coro::current", FALSE);
		2038	SvREADONLY_on (coro_current);
		2039
		2040	coro_stash = gv_stashpv ("Coro", TRUE);
		2041
		2042	newCONSTSUB (coro_stash, "PRIO_MAX", newSViv (PRIO_MAX));
		2043	newCONSTSUB (coro_stash, "PRIO_HIGH", newSViv (PRIO_HIGH));
		2044	newCONSTSUB (coro_stash, "PRIO_NORMAL", newSViv (PRIO_NORMAL));
		2045	newCONSTSUB (coro_stash, "PRIO_LOW", newSViv (PRIO_LOW));
		2046	newCONSTSUB (coro_stash, "PRIO_IDLE", newSViv (PRIO_IDLE));
		2047	newCONSTSUB (coro_stash, "PRIO_MIN", newSViv (PRIO_MIN));
		2048
		2049	for (i = PRIO_MAX - PRIO_MIN + 1; i--; )
		2050	coro_ready[i] = newAV ();
		2051
		2052	{
		2053	SV *sv = perl_get_sv ("Coro::API", TRUE);
		2054	perl_get_sv ("Coro::API", TRUE); /* silence 5.10 warning */
		2055
		2056	coroapi.schedule = api_schedule;
		2057	coroapi.cede = api_cede;
		2058	coroapi.cede_notself = api_cede_notself;
		2059	coroapi.ready = api_ready;
		2060	coroapi.is_ready = api_is_ready;
		2061	coroapi.nready = &coro_nready;
		2062	coroapi.current = coro_current;
		2063
		2064	GCoroAPI = &coroapi;
		2065	sv_setiv (sv, (IV)&coroapi);
		2066	SvREADONLY_on (sv);
		2067	}
		2068	}
		2069
		2070	void
		2071	_set_current (SV *current)
		2072	PROTOTYPE: $
		2073	CODE:
		2074	SvREFCNT_dec (SvRV (coro_current));
		2075	SvRV_set (coro_current, SvREFCNT_inc_NN (SvRV (current)));
		2076
		2077	void
		2078	_set_readyhook (SV *hook)
		2079	PROTOTYPE: $
		2080	CODE:
		2081	LOCK;
		2082	SvREFCNT_dec (coro_readyhook);
		2083	coro_readyhook = SvOK (hook) ? newSVsv (hook) : 0;
		2084	UNLOCK;
		2085
		2086	int
		2087	prio (Coro::State coro, int newprio = 0)
		2088	ALIAS:
		2089	nice = 1
		2090	CODE:
		2091	{
		2092	RETVAL = coro->prio;
		2093
		2094	if (items > 1)
		2095	{
		2096	if (ix)
		2097	newprio = coro->prio - newprio;
		2098
		2099	if (newprio < PRIO_MIN) newprio = PRIO_MIN;
		2100	if (newprio > PRIO_MAX) newprio = PRIO_MAX;
		2101
		2102	coro->prio = newprio;
		2103	}
		2104	}
		2105	OUTPUT:
		2106	RETVAL
		2107
		2108	SV *
		2109	ready (SV *self)
		2110	PROTOTYPE: $
		2111	CODE:
		2112	RETVAL = boolSV (api_ready (self));
		2113	OUTPUT:
		2114	RETVAL
		2115
		2116	int
		2117	nready (...)
		2118	PROTOTYPE:
		2119	CODE:
		2120	RETVAL = coro_nready;
		2121	OUTPUT:
		2122	RETVAL
		2123
		2124	void
		2125	throw (Coro::State self, SV *throw = &PL_sv_undef)
		2126	PROTOTYPE: $;$
		2127	CODE:
		2128	SvREFCNT_dec (self->throw);
		2129	self->throw = SvOK (throw) ? newSVsv (throw) : 0;
		2130
1930	# for async_pool speedup	2131	# for async_pool speedup
1931	void	2132	void
1932	_pool_1 (SV *cb)	2133	_pool_1 (SV *cb)
1933	CODE:	2134	CODE:
1934	{	2135	{
…		…
1939	AV *invoke_av;	2140	AV *invoke_av;
1940	int i, len;	2141	int i, len;
1941		2142
1942	if (!invoke)	2143	if (!invoke)
1943	{	2144	{
1944	SvREFCNT_dec (PL_diehook); PL_diehook = 0;	2145	SV *old = PL_diehook;
		2146	PL_diehook = 0;
		2147	SvREFCNT_dec (old);
1945	croak ("\3async_pool terminate\2\n");	2148	croak ("\3async_pool terminate\2\n");
1946	}	2149	}
1947		2150
1948	SvREFCNT_dec (coro->saved_deffh);	2151	SvREFCNT_dec (coro->saved_deffh);
1949	coro->saved_deffh = SvREFCNT_inc ((SV *)PL_defoutgv);	2152	coro->saved_deffh = SvREFCNT_inc_NN ((SV *)PL_defoutgv);
1950		2153
1951	hv_store (hv, "desc", sizeof ("desc") - 1,	2154	hv_store (hv, "desc", sizeof ("desc") - 1,
1952	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);	2155	newSVpvn ("[async_pool]", sizeof ("[async_pool]") - 1), 0);
1953		2156
1954	invoke_av = (AV *)SvRV (invoke);	2157	invoke_av = (AV *)SvRV (invoke);
…		…
1958		2161
1959	if (len > 0)	2162	if (len > 0)
1960	{	2163	{
1961	av_fill (defav, len - 1);	2164	av_fill (defav, len - 1);
1962	for (i = 0; i < len; ++i)	2165	for (i = 0; i < len; ++i)
1963	av_store (defav, i, SvREFCNT_inc (AvARRAY (invoke_av)[i + 1]));	2166	av_store (defav, i, SvREFCNT_inc_NN (AvARRAY (invoke_av)[i + 1]));
1964	}	2167	}
1965		2168
1966	SvREFCNT_dec (invoke);	2169	SvREFCNT_dec (invoke);
1967	}	2170	}
1968		2171
…		…
1978	coro->saved_deffh = 0;	2181	coro->saved_deffh = 0;
1979		2182
1980	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)	2183	if (coro_rss (aTHX_ coro) > SvIV (sv_pool_rss)
1981	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))	2184	\|\| av_len (av_async_pool) + 1 >= SvIV (sv_pool_size))
1982	{	2185	{
1983	SvREFCNT_dec (PL_diehook); PL_diehook = 0;	2186	SV *old = PL_diehook;
		2187	PL_diehook = 0;
		2188	SvREFCNT_dec (old);
1984	croak ("\3async_pool terminate\2\n");	2189	croak ("\3async_pool terminate\2\n");
1985	}	2190	}
1986		2191
1987	av_clear (GvAV (PL_defgv));	2192	av_clear (GvAV (PL_defgv));
1988	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,	2193	hv_store ((HV *)SvRV (coro_current), "desc", sizeof ("desc") - 1,
…		…
1994	api_trace (coro_current, 0);	2199	api_trace (coro_current, 0);
1995		2200
1996	av_push (av_async_pool, newSVsv (coro_current));	2201	av_push (av_async_pool, newSVsv (coro_current));
1997	}	2202	}
1998		2203
		2204	#if 0
		2205
		2206	void
		2207	_generator_call (...)
		2208	PROTOTYPE: @
		2209	PPCODE:
		2210	fprintf (stderr, "call %p\n", CvXSUBANY(cv).any_ptr);
		2211	xxxx
		2212	abort ();
		2213
		2214	SV *
		2215	gensub (SV *sub, ...)
		2216	PROTOTYPE: &;@
		2217	CODE:
		2218	{
		2219	struct coro *coro;
		2220	MAGIC *mg;
		2221	CV *xcv;
		2222	CV ncv = (CV )newSV_type (SVt_PVCV);
		2223	int i;
		2224
		2225	CvGV (ncv) = CvGV (cv);
		2226	CvFILE (ncv) = CvFILE (cv);
		2227
		2228	Newz (0, coro, 1, struct coro);
		2229	coro->args = newAV ();
		2230	coro->flags = CF_NEW;
		2231
		2232	av_extend (coro->args, items - 1);
		2233	for (i = 1; i < items; i++)
		2234	av_push (coro->args, newSVsv (ST (i)));
		2235
		2236	CvISXSUB_on (ncv);
		2237	CvXSUBANY (ncv).any_ptr = (void *)coro;
		2238
		2239	xcv = GvCV (gv_fetchpv ("Coro::_generator_call", 0, SVt_PVCV));
		2240
		2241	CvXSUB (ncv) = CvXSUB (xcv);
		2242	CvANON_on (ncv);
		2243
		2244	mg = sv_magicext ((SV )ncv, 0, CORO_MAGIC_type_state, &coro_gensub_vtbl, (char )coro, 0);
		2245	RETVAL = newRV_noinc ((SV *)ncv);
		2246	}
		2247	OUTPUT:
		2248	RETVAL
		2249
		2250	#endif
		2251
1999		2252
2000	MODULE = Coro::State PACKAGE = Coro::AIO	2253	MODULE = Coro::State PACKAGE = Coro::AIO
2001		2254
2002	SV *	2255	void
2003	_get_state ()	2256	_get_state (SV *self)
2004	CODE:	2257	PPCODE:
2005	{	2258	{
2006	struct io_state *data;	2259	AV *defav = GvAV (PL_defgv);
2007		2260	AV *av = newAV ();
		2261	int i;
2008	RETVAL = newSV (sizeof (struct io_state));	2262	SV *data_sv = newSV (sizeof (struct io_state));
2009	data = (struct io_state *)SvPVX (RETVAL);	2263	struct io_state data = (struct io_state )SvPVX (data_sv);
2010	SvCUR_set (RETVAL, sizeof (struct io_state));	2264	SvCUR_set (data_sv, sizeof (struct io_state));
2011	SvPOK_only (RETVAL);	2265	SvPOK_only (data_sv);
2012		2266
2013	data->errorno = errno;	2267	data->errorno = errno;
2014	data->laststype = PL_laststype;	2268	data->laststype = PL_laststype;
2015	data->laststatval = PL_laststatval;	2269	data->laststatval = PL_laststatval;
2016	data->statcache = PL_statcache;	2270	data->statcache = PL_statcache;
		2271
		2272	av_extend (av, AvFILLp (defav) + 1 + 1);
		2273
		2274	for (i = 0; i <= AvFILLp (defav); ++i)
		2275	av_push (av, SvREFCNT_inc_NN (AvARRAY (defav)[i]));
		2276
		2277	av_push (av, data_sv);
		2278
		2279	XPUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
		2280
		2281	api_ready (self);
2017	}	2282	}
2018	OUTPUT:
2019	RETVAL
2020		2283
2021	void	2284	void
2022	_set_state (char *data_)	2285	_set_state (SV *state)
2023	PROTOTYPE: $	2286	PROTOTYPE: $
2024	CODE:	2287	PPCODE:
2025	{	2288	{
2026	struct io_state data = (void )data_;	2289	AV av = (AV )SvRV (state);
		2290	struct io_state data = (struct io_state )SvPVX (AvARRAY (av)[AvFILLp (av)]);
		2291	int i;
2027		2292
2028	errno = data->errorno;	2293	errno = data->errorno;
2029	PL_laststype = data->laststype;	2294	PL_laststype = data->laststype;
2030	PL_laststatval = data->laststatval;	2295	PL_laststatval = data->laststatval;
2031	PL_statcache = data->statcache;	2296	PL_statcache = data->statcache;
2032	}
2033		2297
		2298	EXTEND (SP, AvFILLp (av));
		2299	for (i = 0; i < AvFILLp (av); ++i)
		2300	PUSHs (sv_2mortal (SvREFCNT_inc_NN (AvARRAY (av)[i])));
		2301	}
		2302
		2303
		2304	MODULE = Coro::State PACKAGE = Coro::AnyEvent
		2305
		2306	BOOT:
		2307	sv_activity = coro_get_sv (aTHX_ "Coro::AnyEvent::ACTIVITY", TRUE);
		2308
		2309	SV *
		2310	_schedule (...)
		2311	PROTOTYPE: @
		2312	CODE:
		2313	{
		2314	static int incede;
		2315
		2316	api_cede_notself ();
		2317
		2318	++incede;
		2319	while (coro_nready >= incede && api_cede ())
		2320	;
		2321
		2322	sv_setsv (sv_activity, &PL_sv_undef);
		2323	if (coro_nready >= incede)
		2324	{
		2325	PUSHMARK (SP);
		2326	PUTBACK;
		2327	call_pv ("Coro::AnyEvent::_activity", G_DISCARD \| G_EVAL);
		2328	SPAGAIN;
		2329	}
		2330
		2331	--incede;
		2332	}
		2333
		2334
		2335	MODULE = Coro::State PACKAGE = PerlIO::cede
		2336
		2337	BOOT:
		2338	PerlIO_define_layer (aTHX_ &PerlIO_cede);

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Comparing Coro/Coro/State.xs (file contents): Revision 1.229 by root, Thu Apr 10 07:45:33 2008 UTC vs. Revision 1.252 by root, Tue Nov 4 12:08:44 2008 UTC

Diff Legend

Comparing Coro/Coro/State.xs (file contents):
Revision 1.229 by root, Thu Apr 10 07:45:33 2008 UTC vs.
Revision 1.252 by root, Tue Nov 4 12:08:44 2008 UTC