[ViewVC] Diff of: cvs/libev/ev.c

Comparing libev/ev.c (file contents):
Revision 1.378 by root, Mon Jun 13 09:52:36 2011 UTC vs.
Revision 1.389 by root, Wed Aug 3 15:31:23 2011 UTC

…		…
464	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */	464	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */
465		465
466	#define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0)	466	#define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0)
467	#define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0)	467	#define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0)
468		468
469	#if __GNUC__ >= 4	469	/* the following are taken from libecb */
470	# define expect(expr,value) __builtin_expect ((expr),(value))	470	/* ecb.h start */
471	# define noinline __attribute__ ((noinline))	471
		472	/* many compilers define _GNUC_ to some versions but then only implement
		473	* what their idiot authors think are the "more important" extensions,
		474	* causing enourmous grief in return for some better fake benchmark numbers.
		475	* or so.
		476	* we try to detect these and simply assume they are not gcc - if they have
		477	* an issue with that they should have done it right in the first place.
		478	*/
		479	#ifndef ECB_GCC_VERSION
		480	#if !defined(__GNUC_MINOR__) \|\| defined(__INTEL_COMPILER) \|\| defined(__SUNPRO_C) \|\| defined(__SUNPRO_CC) \|\| defined(__llvm__) \|\| defined(__clang__)
		481	#define ECB_GCC_VERSION(major,minor) 0
		482	#else
		483	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) \|\| (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
		484	#endif
		485	#endif
		486
		487	#if __cplusplus
		488	#define ecb_inline static inline
		489	#elif ECB_GCC_VERSION(2,5)
		490	#define ecb_inline static __inline__
		491	#elif ECB_C99
		492	#define ecb_inline static inline
472	#else	493	#else
473	# define expect(expr,value) (expr)	494	#define ecb_inline static
474	# define noinline
475	# if __STDC_VERSION__ < 199901L && __GNUC__ < 2
476	# define inline
477	# endif	495	#endif
		496
		497	#ifndef ECB_MEMORY_FENCE
		498	#if ECB_GCC_VERSION(2,5)
		499	#if __x86
		500	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
		501	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
		502	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE /* better be safe than sorry */
		503	#elif __amd64
		504	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
		505	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory")
		506	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence")
		507	#endif
478	#endif	508	#endif
		509	#endif
479		510
		511	#ifndef ECB_MEMORY_FENCE
		512	#if ECB_GCC_VERSION(4,4)
		513	#define ECB_MEMORY_FENCE __sync_synchronize ()
		514	#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); })
		515	#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); })
		516	#elif _MSC_VER >= 1400 /* VC++ 2005 */
		517	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
		518	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()
		519	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */
		520	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
		521	#elif defined(_WIN32)
		522	#include <WinNT.h>
		523	#define ECB_MEMORY_FENCE MemoryBarrier ()
		524	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
		525	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
		526	#endif
		527	#endif
		528
		529	#ifndef ECB_MEMORY_FENCE
		530	#include <pthread.h>
		531
		532	static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;
		533	#define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)
		534	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
		535	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
		536	#endif
		537
		538	#if ECB_GCC_VERSION(3,1)
		539	#define ecb_attribute(attrlist) __attribute__(attrlist)
		540	#define ecb_is_constant(expr) __builtin_constant_p (expr)
		541	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))
		542	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)
		543	#else
		544	#define ecb_attribute(attrlist)
		545	#define ecb_is_constant(expr) 0
		546	#define ecb_expect(expr,value) (expr)
		547	#define ecb_prefetch(addr,rw,locality)
		548	#endif
		549
		550	#define ecb_noinline ecb_attribute ((__noinline__))
		551	#define ecb_noreturn ecb_attribute ((__noreturn__))
		552	#define ecb_unused ecb_attribute ((__unused__))
		553	#define ecb_const ecb_attribute ((__const__))
		554	#define ecb_pure ecb_attribute ((__pure__))
		555
		556	#if ECB_GCC_VERSION(4,3)
		557	#define ecb_artificial ecb_attribute ((__artificial__))
		558	#define ecb_hot ecb_attribute ((__hot__))
		559	#define ecb_cold ecb_attribute ((__cold__))
		560	#else
		561	#define ecb_artificial
		562	#define ecb_hot
		563	#define ecb_cold
		564	#endif
		565
		566	/* put around conditional expressions if you are very sure that the */
		567	/* expression is mostly true or mostly false. note that these return */
		568	/* booleans, not the expression. */
480	#define expect_false(expr) expect ((expr) != 0, 0)	569	#define ecb_expect_false(expr) ecb_expect (!!(expr), 0)
481	#define expect_true(expr) expect ((expr) != 0, 1)	570	#define ecb_expect_true(expr) ecb_expect (!!(expr), 1)
		571	/* ecb.h end */
		572
		573	#define expect_false(cond) ecb_expect_false (cond)
		574	#define expect_true(cond) ecb_expect_true (cond)
		575	#define noinline ecb_noinline
		576
482	#define inline_size static inline	577	#define inline_size ecb_inline
483		578
484	#if EV_FEATURE_CODE	579	#if EV_FEATURE_CODE
485	# define inline_speed static inline	580	# define inline_speed ecb_inline
486	#else	581	#else
487	# define inline_speed static noinline	582	# define inline_speed static noinline
488	#endif	583	#endif
489		584
490	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	585	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
…		…
581		676
582	#ifdef __linux	677	#ifdef __linux
583	# include <sys/utsname.h>	678	# include <sys/utsname.h>
584	#endif	679	#endif
585		680
586	static unsigned int noinline	681	static unsigned int noinline ecb_cold
587	ev_linux_version (void)	682	ev_linux_version (void)
588	{	683	{
589	#ifdef __linux	684	#ifdef __linux
590	unsigned int v = 0;	685	unsigned int v = 0;
591	struct utsname buf;	686	struct utsname buf;
…		…
620	}	715	}
621		716
622	/*****************************************************************************/	717	/*****************************************************************************/
623		718
624	#if EV_AVOID_STDIO	719	#if EV_AVOID_STDIO
625	static void noinline	720	static void noinline ecb_cold
626	ev_printerr (const char *msg)	721	ev_printerr (const char *msg)
627	{	722	{
628	write (STDERR_FILENO, msg, strlen (msg));	723	write (STDERR_FILENO, msg, strlen (msg));
629	}	724	}
630	#endif	725	#endif
631		726
632	static void (syserr_cb)(const char msg);	727	static void (syserr_cb)(const char msg);
633		728
634	void	729	void ecb_cold
635	ev_set_syserr_cb (void (cb)(const char msg))	730	ev_set_syserr_cb (void (cb)(const char msg))
636	{	731	{
637	syserr_cb = cb;	732	syserr_cb = cb;
638	}	733	}
639		734
640	static void noinline	735	static void noinline ecb_cold
641	ev_syserr (const char *msg)	736	ev_syserr (const char *msg)
642	{	737	{
643	if (!msg)	738	if (!msg)
644	msg = "(libev) system error";	739	msg = "(libev) system error";
645		740
…		…
678	#endif	773	#endif
679	}	774	}
680		775
681	static void (alloc)(void *ptr, long size) = ev_realloc_emul;	776	static void (alloc)(void *ptr, long size) = ev_realloc_emul;
682		777
683	void	778	void ecb_cold
684	ev_set_allocator (void (cb)(void *ptr, long size))	779	ev_set_allocator (void (cb)(void *ptr, long size))
685	{	780	{
686	alloc = cb;	781	alloc = cb;
687	}	782	}
688		783
…		…
897	}	992	}
898		993
899	return ncur;	994	return ncur;
900	}	995	}
901		996
902	static noinline void *	997	static void * noinline ecb_cold
903	array_realloc (int elem, void base, int cur, int cnt)	998	array_realloc (int elem, void base, int cur, int cnt)
904	{	999	{
905	cur = array_nextsize (elem, cur, cnt);	1000	cur = array_nextsize (elem, cur, cnt);
906	return ev_realloc (base, elem * *cur);	1001	return ev_realloc (base, elem * *cur);
907	}	1002	}
…		…
910	memset ((void )(base), 0, sizeof ((base)) * (count))	1005	memset ((void )(base), 0, sizeof ((base)) * (count))
911		1006
912	#define array_needsize(type,base,cur,cnt,init) \	1007	#define array_needsize(type,base,cur,cnt,init) \
913	if (expect_false ((cnt) > (cur))) \	1008	if (expect_false ((cnt) > (cur))) \
914	{ \	1009	{ \
915	int ocur_ = (cur); \	1010	int ecb_unused ocur_ = (cur); \
916	(base) = (type *)array_realloc \	1011	(base) = (type *)array_realloc \
917	(sizeof (type), (base), &(cur), (cnt)); \	1012	(sizeof (type), (base), &(cur), (cnt)); \
918	init ((base) + (ocur_), (cur) - ocur_); \	1013	init ((base) + (ocur_), (cur) - ocur_); \
919	}	1014	}
920		1015
…		…
1090	fdchanges [fdchangecnt - 1] = fd;	1185	fdchanges [fdchangecnt - 1] = fd;
1091	}	1186	}
1092	}	1187	}
1093		1188
1094	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */	1189	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */
1095	inline_speed void	1190	inline_speed void ecb_cold
1096	fd_kill (EV_P_ int fd)	1191	fd_kill (EV_P_ int fd)
1097	{	1192	{
1098	ev_io *w;	1193	ev_io *w;
1099		1194
1100	while ((w = (ev_io *)anfds [fd].head))	1195	while ((w = (ev_io *)anfds [fd].head))
…		…
1103	ev_feed_event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);	1198	ev_feed_event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);
1104	}	1199	}
1105	}	1200	}
1106		1201
1107	/* check whether the given fd is actually valid, for error recovery */	1202	/* check whether the given fd is actually valid, for error recovery */
1108	inline_size int	1203	inline_size int ecb_cold
1109	fd_valid (int fd)	1204	fd_valid (int fd)
1110	{	1205	{
1111	#ifdef _WIN32	1206	#ifdef _WIN32
1112	return EV_FD_TO_WIN32_HANDLE (fd) != -1;	1207	return EV_FD_TO_WIN32_HANDLE (fd) != -1;
1113	#else	1208	#else
1114	return fcntl (fd, F_GETFD) != -1;	1209	return fcntl (fd, F_GETFD) != -1;
1115	#endif	1210	#endif
1116	}	1211	}
1117		1212
1118	/* called on EBADF to verify fds */	1213	/* called on EBADF to verify fds */
1119	static void noinline	1214	static void noinline ecb_cold
1120	fd_ebadf (EV_P)	1215	fd_ebadf (EV_P)
1121	{	1216	{
1122	int fd;	1217	int fd;
1123		1218
1124	for (fd = 0; fd < anfdmax; ++fd)	1219	for (fd = 0; fd < anfdmax; ++fd)
…		…
1126	if (!fd_valid (fd) && errno == EBADF)	1221	if (!fd_valid (fd) && errno == EBADF)
1127	fd_kill (EV_A_ fd);	1222	fd_kill (EV_A_ fd);
1128	}	1223	}
1129		1224
1130	/* called on ENOMEM in select/poll to kill some fds and retry */	1225	/* called on ENOMEM in select/poll to kill some fds and retry */
1131	static void noinline	1226	static void noinline ecb_cold
1132	fd_enomem (EV_P)	1227	fd_enomem (EV_P)
1133	{	1228	{
1134	int fd;	1229	int fd;
1135		1230
1136	for (fd = anfdmax; fd--; )	1231	for (fd = anfdmax; fd--; )
…		…
1331		1426
1332	/*****************************************************************************/	1427	/*****************************************************************************/
1333		1428
1334	#if EV_SIGNAL_ENABLE \|\| EV_ASYNC_ENABLE	1429	#if EV_SIGNAL_ENABLE \|\| EV_ASYNC_ENABLE
1335		1430
1336	static void noinline	1431	static void noinline ecb_cold
1337	evpipe_init (EV_P)	1432	evpipe_init (EV_P)
1338	{	1433	{
1339	if (!ev_is_active (&pipe_w))	1434	if (!ev_is_active (&pipe_w))
1340	{	1435	{
1341	# if EV_USE_EVENTFD	1436	# if EV_USE_EVENTFD
…		…
1363	ev_io_start (EV_A_ &pipe_w);	1458	ev_io_start (EV_A_ &pipe_w);
1364	ev_unref (EV_A); /* watcher should not keep loop alive */	1459	ev_unref (EV_A); /* watcher should not keep loop alive */
1365	}	1460	}
1366	}	1461	}
1367		1462
1368	inline_size void	1463	inline_speed void
1369	evpipe_write (EV_P_ EV_ATOMIC_T *flag)	1464	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1370	{	1465	{
1371	if (!*flag)	1466	if (expect_true (*flag))
1372	{	1467	return;
		1468
1373	*flag = 1;	1469	*flag = 1;
1374		1470
		1471	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
		1472
1375	pipe_write_skipped = 1;	1473	pipe_write_skipped = 1;
1376		1474
		1475	ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
		1476
1377	if (pipe_write_wanted)	1477	if (pipe_write_wanted)
		1478	{
		1479	int old_errno;
		1480
		1481	pipe_write_skipped = 0; /* just an optimsiation, no fence needed */
		1482
		1483	old_errno = errno; /* save errno because write will clobber it */
		1484
		1485	#if EV_USE_EVENTFD
		1486	if (evfd >= 0)
1378	{	1487	{
1379	int old_errno = errno; /* save errno because write will clobber it */
1380	char dummy;
1381
1382	pipe_write_skipped = 0;
1383
1384	#if EV_USE_EVENTFD
1385	if (evfd >= 0)
1386	{
1387	uint64_t counter = 1;	1488	uint64_t counter = 1;
1388	write (evfd, &counter, sizeof (uint64_t));	1489	write (evfd, &counter, sizeof (uint64_t));
1389	}
1390	else
1391	#endif
1392	{
1393	/* win32 people keep sending patches that change this write() to send() */
1394	/* and then run away. but send() is wrong, it wants a socket handle on win32 */
1395	/* so when you think this write should be a send instead, please find out */
1396	/* where your send() is from - it's definitely not the microsoft send, and */
1397	/* tell me. thank you. */
1398	write (evpipe [1], &dummy, 1);
1399	}
1400
1401	errno = old_errno;
1402	}	1490	}
		1491	else
		1492	#endif
		1493	{
		1494	/* win32 people keep sending patches that change this write() to send() */
		1495	/* and then run away. but send() is wrong, it wants a socket handle on win32 */
		1496	/* so when you think this write should be a send instead, please find out */
		1497	/* where your send() is from - it's definitely not the microsoft send, and */
		1498	/* tell me. thank you. */
		1499	write (evpipe [1], &(evpipe [1]), 1);
		1500	}
		1501
		1502	errno = old_errno;
1403	}	1503	}
1404	}	1504	}
1405		1505
1406	/* called whenever the libev signal pipe */	1506	/* called whenever the libev signal pipe */
1407	/* got some events (signal, async) */	1507	/* got some events (signal, async) */
…		…
1465		1565
1466	if (!EV_A)	1566	if (!EV_A)
1467	return;	1567	return;
1468	#endif	1568	#endif
1469		1569
1470	evpipe_init (EV_A);	1570	if (!ev_active (&pipe_w))
		1571	return;
1471		1572
1472	signals [signum - 1].pending = 1;	1573	signals [signum - 1].pending = 1;
1473	evpipe_write (EV_A_ &sig_pending);	1574	evpipe_write (EV_A_ &sig_pending);
1474	}	1575	}
1475		1576
…		…
1607	#endif	1708	#endif
1608	#if EV_USE_SELECT	1709	#if EV_USE_SELECT
1609	# include "ev_select.c"	1710	# include "ev_select.c"
1610	#endif	1711	#endif
1611		1712
1612	int	1713	int ecb_cold
1613	ev_version_major (void)	1714	ev_version_major (void)
1614	{	1715	{
1615	return EV_VERSION_MAJOR;	1716	return EV_VERSION_MAJOR;
1616	}	1717	}
1617		1718
1618	int	1719	int ecb_cold
1619	ev_version_minor (void)	1720	ev_version_minor (void)
1620	{	1721	{
1621	return EV_VERSION_MINOR;	1722	return EV_VERSION_MINOR;
1622	}	1723	}
1623		1724
1624	/* return true if we are running with elevated privileges and should ignore env variables */	1725	/* return true if we are running with elevated privileges and should ignore env variables */
1625	int inline_size	1726	int inline_size ecb_cold
1626	enable_secure (void)	1727	enable_secure (void)
1627	{	1728	{
1628	#ifdef _WIN32	1729	#ifdef _WIN32
1629	return 0;	1730	return 0;
1630	#else	1731	#else
1631	return getuid () != geteuid ()	1732	return getuid () != geteuid ()
1632	\|\| getgid () != getegid ();	1733	\|\| getgid () != getegid ();
1633	#endif	1734	#endif
1634	}	1735	}
1635		1736
1636	unsigned int	1737	unsigned int ecb_cold
1637	ev_supported_backends (void)	1738	ev_supported_backends (void)
1638	{	1739	{
1639	unsigned int flags = 0;	1740	unsigned int flags = 0;
1640		1741
1641	if (EV_USE_PORT ) flags \|= EVBACKEND_PORT;	1742	if (EV_USE_PORT ) flags \|= EVBACKEND_PORT;
…		…
1645	if (EV_USE_SELECT) flags \|= EVBACKEND_SELECT;	1746	if (EV_USE_SELECT) flags \|= EVBACKEND_SELECT;
1646		1747
1647	return flags;	1748	return flags;
1648	}	1749	}
1649		1750
1650	unsigned int	1751	unsigned int ecb_cold
1651	ev_recommended_backends (void)	1752	ev_recommended_backends (void)
1652	{	1753	{
1653	unsigned int flags = ev_supported_backends ();	1754	unsigned int flags = ev_supported_backends ();
1654		1755
1655	#ifndef __NetBSD__	1756	#ifndef __NetBSD__
…		…
1667	#endif	1768	#endif
1668		1769
1669	return flags;	1770	return flags;
1670	}	1771	}
1671		1772
1672	unsigned int	1773	unsigned int ecb_cold
1673	ev_embeddable_backends (void)	1774	ev_embeddable_backends (void)
1674	{	1775	{
1675	int flags = EVBACKEND_EPOLL \| EVBACKEND_KQUEUE \| EVBACKEND_PORT;	1776	int flags = EVBACKEND_EPOLL \| EVBACKEND_KQUEUE \| EVBACKEND_PORT;
1676		1777
1677	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	1778	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */
…		…
1722	ev_userdata (EV_P)	1823	ev_userdata (EV_P)
1723	{	1824	{
1724	return userdata;	1825	return userdata;
1725	}	1826	}
1726		1827
		1828	void
1727	void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P))	1829	ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P))
1728	{	1830	{
1729	invoke_cb = invoke_pending_cb;	1831	invoke_cb = invoke_pending_cb;
1730	}	1832	}
1731		1833
		1834	void
1732	void ev_set_loop_release_cb (EV_P_ void (release)(EV_P), void (acquire)(EV_P))	1835	ev_set_loop_release_cb (EV_P_ void (release)(EV_P), void (acquire)(EV_P))
1733	{	1836	{
1734	release_cb = release;	1837	release_cb = release;
1735	acquire_cb = acquire;	1838	acquire_cb = acquire;
1736	}	1839	}
1737	#endif	1840	#endif
1738		1841
1739	/* initialise a loop structure, must be zero-initialised */	1842	/* initialise a loop structure, must be zero-initialised */
1740	static void noinline	1843	static void noinline ecb_cold
1741	loop_init (EV_P_ unsigned int flags)	1844	loop_init (EV_P_ unsigned int flags)
1742	{	1845	{
1743	if (!backend)	1846	if (!backend)
1744	{	1847	{
1745	origflags = flags;	1848	origflags = flags;
…		…
1830	#endif	1933	#endif
1831	}	1934	}
1832	}	1935	}
1833		1936
1834	/* free up a loop structure */	1937	/* free up a loop structure */
1835	void	1938	void ecb_cold
1836	ev_loop_destroy (EV_P)	1939	ev_loop_destroy (EV_P)
1837	{	1940	{
1838	int i;	1941	int i;
1839		1942
1840	#if EV_MULTIPLICITY	1943	#if EV_MULTIPLICITY
…		…
1998	postfork = 0;	2101	postfork = 0;
1999	}	2102	}
2000		2103
2001	#if EV_MULTIPLICITY	2104	#if EV_MULTIPLICITY
2002		2105
2003	struct ev_loop *	2106	struct ev_loop * ecb_cold
2004	ev_loop_new (unsigned int flags)	2107	ev_loop_new (unsigned int flags)
2005	{	2108	{
2006	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	2109	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2007		2110
2008	memset (EV_A, 0, sizeof (struct ev_loop));	2111	memset (EV_A, 0, sizeof (struct ev_loop));
…		…
2016	}	2119	}
2017		2120
2018	#endif /* multiplicity */	2121	#endif /* multiplicity */
2019		2122
2020	#if EV_VERIFY	2123	#if EV_VERIFY
2021	static void noinline	2124	static void noinline ecb_cold
2022	verify_watcher (EV_P_ W w)	2125	verify_watcher (EV_P_ W w)
2023	{	2126	{
2024	assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));	2127	assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
2025		2128
2026	if (w->pending)	2129	if (w->pending)
2027	assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));	2130	assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
2028	}	2131	}
2029		2132
2030	static void noinline	2133	static void noinline ecb_cold
2031	verify_heap (EV_P_ ANHE *heap, int N)	2134	verify_heap (EV_P_ ANHE *heap, int N)
2032	{	2135	{
2033	int i;	2136	int i;
2034		2137
2035	for (i = HEAP0; i < N + HEAP0; ++i)	2138	for (i = HEAP0; i < N + HEAP0; ++i)
…		…
2040		2143
2041	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));	2144	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));
2042	}	2145	}
2043	}	2146	}
2044		2147
2045	static void noinline	2148	static void noinline ecb_cold
2046	array_verify (EV_P_ W *ws, int cnt)	2149	array_verify (EV_P_ W *ws, int cnt)
2047	{	2150	{
2048	while (cnt--)	2151	while (cnt--)
2049	{	2152	{
2050	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));	2153	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));
…		…
2052	}	2155	}
2053	}	2156	}
2054	#endif	2157	#endif
2055		2158
2056	#if EV_FEATURE_API	2159	#if EV_FEATURE_API
2057	void	2160	void ecb_cold
2058	ev_verify (EV_P)	2161	ev_verify (EV_P)
2059	{	2162	{
2060	#if EV_VERIFY	2163	#if EV_VERIFY
2061	int i;	2164	int i;
2062	WL w;	2165	WL w;
…		…
2128	#endif	2231	#endif
2129	}	2232	}
2130	#endif	2233	#endif
2131		2234
2132	#if EV_MULTIPLICITY	2235	#if EV_MULTIPLICITY
2133	struct ev_loop *	2236	struct ev_loop * ecb_cold
2134	#else	2237	#else
2135	int	2238	int
2136	#endif	2239	#endif
2137	ev_default_loop (unsigned int flags)	2240	ev_default_loop (unsigned int flags)
2138	{	2241	{
…		…
2337	}	2440	}
2338	}	2441	}
2339		2442
2340	/* simply recalculate all periodics */	2443	/* simply recalculate all periodics */
2341	/* TODO: maybe ensure that at least one event happens when jumping forward? */	2444	/* TODO: maybe ensure that at least one event happens when jumping forward? */
2342	static void noinline	2445	static void noinline ecb_cold
2343	periodics_reschedule (EV_P)	2446	periodics_reschedule (EV_P)
2344	{	2447	{
2345	int i;	2448	int i;
2346		2449
2347	/* adjust periodics after time jump */	2450	/* adjust periodics after time jump */
…		…
2360	reheap (periodics, periodiccnt);	2463	reheap (periodics, periodiccnt);
2361	}	2464	}
2362	#endif	2465	#endif
2363		2466
2364	/* adjust all timers by a given offset */	2467	/* adjust all timers by a given offset */
2365	static void noinline	2468	static void noinline ecb_cold
2366	timers_reschedule (EV_P_ ev_tstamp adjust)	2469	timers_reschedule (EV_P_ ev_tstamp adjust)
2367	{	2470	{
2368	int i;	2471	int i;
2369		2472
2370	for (i = 0; i < timercnt; ++i)	2473	for (i = 0; i < timercnt; ++i)
…		…
2515	time_update (EV_A_ 1e100);	2618	time_update (EV_A_ 1e100);
2516		2619
2517	/* from now on, we want a pipe-wake-up */	2620	/* from now on, we want a pipe-wake-up */
2518	pipe_write_wanted = 1;	2621	pipe_write_wanted = 1;
2519		2622
		2623	ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */
		2624
2520	if (expect_true (!(flags & EVRUN_NOWAIT \|\| idleall \|\| !activecnt \|\| pipe_write_skipped)))	2625	if (expect_true (!(flags & EVRUN_NOWAIT \|\| idleall \|\| !activecnt \|\| pipe_write_skipped)))
2521	{	2626	{
2522	waittime = MAX_BLOCKTIME;	2627	waittime = MAX_BLOCKTIME;
2523		2628
2524	if (timercnt)	2629	if (timercnt)
…		…
2565	#endif	2670	#endif
2566	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */	2671	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2567	backend_poll (EV_A_ waittime);	2672	backend_poll (EV_A_ waittime);
2568	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */	2673	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
2569		2674
2570	pipe_write_wanted = 0;	2675	pipe_write_wanted = 0; /* just an optimsiation, no fence needed */
2571		2676
2572	if (pipe_write_skipped)	2677	if (pipe_write_skipped)
2573	{	2678	{
2574	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));	2679	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
2575	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);	2680	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
…		…
3236	infy_wd (EV_A_ ev->wd, ev->wd, ev);	3341	infy_wd (EV_A_ ev->wd, ev->wd, ev);
3237	ofs += sizeof (struct inotify_event) + ev->len;	3342	ofs += sizeof (struct inotify_event) + ev->len;
3238	}	3343	}
3239	}	3344	}
3240		3345
3241	inline_size void	3346	inline_size void ecb_cold
3242	ev_check_2625 (EV_P)	3347	ev_check_2625 (EV_P)
3243	{	3348	{
3244	/* kernels < 2.6.25 are borked	3349	/* kernels < 2.6.25 are borked
3245	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html	3350	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
3246	*/	3351	*/
…		…
3871	}	3976	}
3872		3977
3873	/*****************************************************************************/	3978	/*****************************************************************************/
3874		3979
3875	#if EV_WALK_ENABLE	3980	#if EV_WALK_ENABLE
3876	void	3981	void ecb_cold
3877	ev_walk (EV_P_ int types, void (cb)(EV_P_ int type, void w))	3982	ev_walk (EV_P_ int types, void (cb)(EV_P_ int type, void w))
3878	{	3983	{
3879	int i, j;	3984	int i, j;
3880	ev_watcher_list wl, wn;	3985	ev_watcher_list wl, wn;
3881		3986

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Comparing libev/ev.c (file contents): Revision 1.378 by root, Mon Jun 13 09:52:36 2011 UTC vs. Revision 1.389 by root, Wed Aug 3 15:31:23 2011 UTC

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Comparing libev/ev.c (file contents):
Revision 1.378 by root, Mon Jun 13 09:52:36 2011 UTC vs.
Revision 1.389 by root, Wed Aug 3 15:31:23 2011 UTC