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

Comparing libev/ev.c (file contents):
Revision 1.377 by root, Wed Jun 8 13:11:55 2011 UTC vs.
Revision 1.380 by root, Mon Jun 27 19:20:01 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
478	#endif
479		496
		497	#if ECB_GCC_VERSION(3,1)
		498	#define ecb_attribute(attrlist) __attribute__(attrlist)
		499	#define ecb_is_constant(expr) __builtin_constant_p (expr)
		500	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))
		501	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)
		502	#else
		503	#define ecb_attribute(attrlist)
		504	#define ecb_is_constant(expr) 0
		505	#define ecb_expect(expr,value) (expr)
		506	#define ecb_prefetch(addr,rw,locality)
		507	#endif
		508
		509	#define ecb_noinline ecb_attribute ((__noinline__))
		510	#define ecb_noreturn ecb_attribute ((__noreturn__))
		511	#define ecb_unused ecb_attribute ((__unused__))
		512	#define ecb_const ecb_attribute ((__const__))
		513	#define ecb_pure ecb_attribute ((__pure__))
		514
		515	#if ECB_GCC_VERSION(4,3)
		516	#define ecb_artificial ecb_attribute ((__artificial__))
		517	#define ecb_hot ecb_attribute ((__hot__))
		518	#define ecb_cold ecb_attribute ((__cold__))
		519	#else
		520	#define ecb_artificial
		521	#define ecb_hot
		522	#define ecb_cold
		523	#endif
		524
		525	/* put around conditional expressions if you are very sure that the */
		526	/* expression is mostly true or mostly false. note that these return */
		527	/* booleans, not the expression. */
480	#define expect_false(expr) expect ((expr) != 0, 0)	528	#define ecb_expect_false(expr) ecb_expect (!!(expr), 0)
481	#define expect_true(expr) expect ((expr) != 0, 1)	529	#define ecb_expect_true(expr) ecb_expect (!!(expr), 1)
		530	/* ecb.h end */
		531
		532	#define expect_false(cond) ecb_expect_false (cond)
		533	#define expect_true(cond) ecb_expect_true (cond)
		534	#define noinline ecb_noinline
		535
482	#define inline_size static inline	536	#define inline_size ecb_inline
483		537
484	#if EV_FEATURE_CODE	538	#if EV_FEATURE_CODE
485	# define inline_speed static inline	539	# define inline_speed ecb_inline
486	#else	540	#else
487	# define inline_speed static noinline	541	# define inline_speed static noinline
488	#endif	542	#endif
489		543
490	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	544	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
…		…
581		635
582	#ifdef __linux	636	#ifdef __linux
583	# include <sys/utsname.h>	637	# include <sys/utsname.h>
584	#endif	638	#endif
585		639
586	static unsigned int noinline	640	static unsigned int noinline ecb_cold
587	ev_linux_version (void)	641	ev_linux_version (void)
588	{	642	{
589	#ifdef __linux	643	#ifdef __linux
590	unsigned int v = 0;	644	unsigned int v = 0;
591	struct utsname buf;	645	struct utsname buf;
…		…
620	}	674	}
621		675
622	/*****************************************************************************/	676	/*****************************************************************************/
623		677
624	#if EV_AVOID_STDIO	678	#if EV_AVOID_STDIO
625	static void noinline	679	static void noinline ecb_cold
626	ev_printerr (const char *msg)	680	ev_printerr (const char *msg)
627	{	681	{
628	write (STDERR_FILENO, msg, strlen (msg));	682	write (STDERR_FILENO, msg, strlen (msg));
629	}	683	}
630	#endif	684	#endif
631		685
632	static void (syserr_cb)(const char msg);	686	static void (syserr_cb)(const char msg);
633		687
634	void	688	void ecb_cold
635	ev_set_syserr_cb (void (cb)(const char msg))	689	ev_set_syserr_cb (void (cb)(const char msg))
636	{	690	{
637	syserr_cb = cb;	691	syserr_cb = cb;
638	}	692	}
639		693
640	static void noinline	694	static void noinline ecb_cold
641	ev_syserr (const char *msg)	695	ev_syserr (const char *msg)
642	{	696	{
643	if (!msg)	697	if (!msg)
644	msg = "(libev) system error";	698	msg = "(libev) system error";
645		699
…		…
678	#endif	732	#endif
679	}	733	}
680		734
681	static void (alloc)(void *ptr, long size) = ev_realloc_emul;	735	static void (alloc)(void *ptr, long size) = ev_realloc_emul;
682		736
683	void	737	void ecb_cold
684	ev_set_allocator (void (cb)(void *ptr, long size))	738	ev_set_allocator (void (cb)(void *ptr, long size))
685	{	739	{
686	alloc = cb;	740	alloc = cb;
687	}	741	}
688		742
…		…
897	}	951	}
898		952
899	return ncur;	953	return ncur;
900	}	954	}
901		955
902	static noinline void *	956	static void * noinline ecb_cold
903	array_realloc (int elem, void base, int cur, int cnt)	957	array_realloc (int elem, void base, int cur, int cnt)
904	{	958	{
905	cur = array_nextsize (elem, cur, cnt);	959	cur = array_nextsize (elem, cur, cnt);
906	return ev_realloc (base, elem * *cur);	960	return ev_realloc (base, elem * *cur);
907	}	961	}
…		…
1090	fdchanges [fdchangecnt - 1] = fd;	1144	fdchanges [fdchangecnt - 1] = fd;
1091	}	1145	}
1092	}	1146	}
1093		1147
1094	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */	1148	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */
1095	inline_speed void	1149	inline_speed void ecb_cold
1096	fd_kill (EV_P_ int fd)	1150	fd_kill (EV_P_ int fd)
1097	{	1151	{
1098	ev_io *w;	1152	ev_io *w;
1099		1153
1100	while ((w = (ev_io *)anfds [fd].head))	1154	while ((w = (ev_io *)anfds [fd].head))
…		…
1103	ev_feed_event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);	1157	ev_feed_event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);
1104	}	1158	}
1105	}	1159	}
1106		1160
1107	/* check whether the given fd is actually valid, for error recovery */	1161	/* check whether the given fd is actually valid, for error recovery */
1108	inline_size int	1162	inline_size int ecb_cold
1109	fd_valid (int fd)	1163	fd_valid (int fd)
1110	{	1164	{
1111	#ifdef _WIN32	1165	#ifdef _WIN32
1112	return EV_FD_TO_WIN32_HANDLE (fd) != -1;	1166	return EV_FD_TO_WIN32_HANDLE (fd) != -1;
1113	#else	1167	#else
1114	return fcntl (fd, F_GETFD) != -1;	1168	return fcntl (fd, F_GETFD) != -1;
1115	#endif	1169	#endif
1116	}	1170	}
1117		1171
1118	/* called on EBADF to verify fds */	1172	/* called on EBADF to verify fds */
1119	static void noinline	1173	static void noinline ecb_cold
1120	fd_ebadf (EV_P)	1174	fd_ebadf (EV_P)
1121	{	1175	{
1122	int fd;	1176	int fd;
1123		1177
1124	for (fd = 0; fd < anfdmax; ++fd)	1178	for (fd = 0; fd < anfdmax; ++fd)
…		…
1126	if (!fd_valid (fd) && errno == EBADF)	1180	if (!fd_valid (fd) && errno == EBADF)
1127	fd_kill (EV_A_ fd);	1181	fd_kill (EV_A_ fd);
1128	}	1182	}
1129		1183
1130	/* called on ENOMEM in select/poll to kill some fds and retry */	1184	/* called on ENOMEM in select/poll to kill some fds and retry */
1131	static void noinline	1185	static void noinline ecb_cold
1132	fd_enomem (EV_P)	1186	fd_enomem (EV_P)
1133	{	1187	{
1134	int fd;	1188	int fd;
1135		1189
1136	for (fd = anfdmax; fd--; )	1190	for (fd = anfdmax; fd--; )
…		…
1331		1385
1332	/*****************************************************************************/	1386	/*****************************************************************************/
1333		1387
1334	#if EV_SIGNAL_ENABLE \|\| EV_ASYNC_ENABLE	1388	#if EV_SIGNAL_ENABLE \|\| EV_ASYNC_ENABLE
1335		1389
1336	static void noinline	1390	static void noinline ecb_cold
1337	evpipe_init (EV_P)	1391	evpipe_init (EV_P)
1338	{	1392	{
1339	if (!ev_is_active (&pipe_w))	1393	if (!ev_is_active (&pipe_w))
1340	{	1394	{
1341	# if EV_USE_EVENTFD	1395	# if EV_USE_EVENTFD
…		…
1363	ev_io_start (EV_A_ &pipe_w);	1417	ev_io_start (EV_A_ &pipe_w);
1364	ev_unref (EV_A); /* watcher should not keep loop alive */	1418	ev_unref (EV_A); /* watcher should not keep loop alive */
1365	}	1419	}
1366	}	1420	}
1367		1421
1368	inline_size void	1422	inline_speed void
1369	evpipe_write (EV_P_ EV_ATOMIC_T *flag)	1423	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1370	{	1424	{
1371	if (!*flag)	1425	if (!*flag)
1372	{	1426	{
1373	int old_errno = errno; /* save errno because write might clobber it */
1374	char dummy;
1375
1376	*flag = 1;	1427	*flag = 1;
1377		1428
		1429	pipe_write_skipped = 1;
		1430
		1431	if (pipe_write_wanted)
		1432	{
		1433	int old_errno;
		1434
		1435	pipe_write_skipped = 0;
		1436
		1437	old_errno = errno; /* save errno because write will clobber it */
		1438
1378	#if EV_USE_EVENTFD	1439	#if EV_USE_EVENTFD
1379	if (evfd >= 0)	1440	if (evfd >= 0)
1380	{	1441	{
1381	uint64_t counter = 1;	1442	uint64_t counter = 1;
1382	write (evfd, &counter, sizeof (uint64_t));	1443	write (evfd, &counter, sizeof (uint64_t));
		1444	}
		1445	else
		1446	#endif
		1447	{
		1448	/* win32 people keep sending patches that change this write() to send() */
		1449	/* and then run away. but send() is wrong, it wants a socket handle on win32 */
		1450	/* so when you think this write should be a send instead, please find out */
		1451	/* where your send() is from - it's definitely not the microsoft send, and */
		1452	/* tell me. thank you. */
		1453	write (evpipe [1], &(evpipe [1]), 1);
		1454	}
		1455
		1456	errno = old_errno;
1383	}	1457	}
1384	else
1385	#endif
1386	/* win32 people keep sending patches that change this write() to send() */
1387	/* and then run away. but send() is wrong, it wants a socket handle on win32 */
1388	/* so when you think this write should be a send instead, please find out */
1389	/* where your send() is from - it's definitely not the microsoft send, and */
1390	/* tell me. thank you. */
1391	write (evpipe [1], &dummy, 1);
1392
1393	errno = old_errno;
1394	}	1458	}
1395	}	1459	}
1396		1460
1397	/* called whenever the libev signal pipe */	1461	/* called whenever the libev signal pipe */
1398	/* got some events (signal, async) */	1462	/* got some events (signal, async) */
1399	static void	1463	static void
1400	pipecb (EV_P_ ev_io *iow, int revents)	1464	pipecb (EV_P_ ev_io *iow, int revents)
1401	{	1465	{
1402	int i;	1466	int i;
1403		1467
		1468	if (revents & EV_READ)
		1469	{
1404	#if EV_USE_EVENTFD	1470	#if EV_USE_EVENTFD
1405	if (evfd >= 0)	1471	if (evfd >= 0)
1406	{	1472	{
1407	uint64_t counter;	1473	uint64_t counter;
1408	read (evfd, &counter, sizeof (uint64_t));	1474	read (evfd, &counter, sizeof (uint64_t));
1409	}	1475	}
1410	else	1476	else
1411	#endif	1477	#endif
1412	{	1478	{
1413	char dummy;	1479	char dummy;
1414	/* see discussion in evpipe_write when you think this read should be recv in win32 */	1480	/* see discussion in evpipe_write when you think this read should be recv in win32 */
1415	read (evpipe [0], &dummy, 1);	1481	read (evpipe [0], &dummy, 1);
		1482	}
1416	}	1483	}
		1484
		1485	pipe_write_skipped = 0;
1417		1486
1418	#if EV_SIGNAL_ENABLE	1487	#if EV_SIGNAL_ENABLE
1419	if (sig_pending)	1488	if (sig_pending)
1420	{	1489	{
1421	sig_pending = 0;	1490	sig_pending = 0;
…		…
1450	EV_P = signals [signum - 1].loop;	1519	EV_P = signals [signum - 1].loop;
1451		1520
1452	if (!EV_A)	1521	if (!EV_A)
1453	return;	1522	return;
1454	#endif	1523	#endif
		1524
		1525	evpipe_init (EV_A);
1455		1526
1456	signals [signum - 1].pending = 1;	1527	signals [signum - 1].pending = 1;
1457	evpipe_write (EV_A_ &sig_pending);	1528	evpipe_write (EV_A_ &sig_pending);
1458	}	1529	}
1459		1530
…		…
1591	#endif	1662	#endif
1592	#if EV_USE_SELECT	1663	#if EV_USE_SELECT
1593	# include "ev_select.c"	1664	# include "ev_select.c"
1594	#endif	1665	#endif
1595		1666
1596	int	1667	int ecb_cold
1597	ev_version_major (void)	1668	ev_version_major (void)
1598	{	1669	{
1599	return EV_VERSION_MAJOR;	1670	return EV_VERSION_MAJOR;
1600	}	1671	}
1601		1672
1602	int	1673	int ecb_cold
1603	ev_version_minor (void)	1674	ev_version_minor (void)
1604	{	1675	{
1605	return EV_VERSION_MINOR;	1676	return EV_VERSION_MINOR;
1606	}	1677	}
1607		1678
1608	/* return true if we are running with elevated privileges and should ignore env variables */	1679	/* return true if we are running with elevated privileges and should ignore env variables */
1609	int inline_size	1680	int inline_size ecb_cold
1610	enable_secure (void)	1681	enable_secure (void)
1611	{	1682	{
1612	#ifdef _WIN32	1683	#ifdef _WIN32
1613	return 0;	1684	return 0;
1614	#else	1685	#else
1615	return getuid () != geteuid ()	1686	return getuid () != geteuid ()
1616	\|\| getgid () != getegid ();	1687	\|\| getgid () != getegid ();
1617	#endif	1688	#endif
1618	}	1689	}
1619		1690
1620	unsigned int	1691	unsigned int ecb_cold
1621	ev_supported_backends (void)	1692	ev_supported_backends (void)
1622	{	1693	{
1623	unsigned int flags = 0;	1694	unsigned int flags = 0;
1624		1695
1625	if (EV_USE_PORT ) flags \|= EVBACKEND_PORT;	1696	if (EV_USE_PORT ) flags \|= EVBACKEND_PORT;
…		…
1629	if (EV_USE_SELECT) flags \|= EVBACKEND_SELECT;	1700	if (EV_USE_SELECT) flags \|= EVBACKEND_SELECT;
1630		1701
1631	return flags;	1702	return flags;
1632	}	1703	}
1633		1704
1634	unsigned int	1705	unsigned int ecb_cold
1635	ev_recommended_backends (void)	1706	ev_recommended_backends (void)
1636	{	1707	{
1637	unsigned int flags = ev_supported_backends ();	1708	unsigned int flags = ev_supported_backends ();
1638		1709
1639	#ifndef __NetBSD__	1710	#ifndef __NetBSD__
…		…
1651	#endif	1722	#endif
1652		1723
1653	return flags;	1724	return flags;
1654	}	1725	}
1655		1726
1656	unsigned int	1727	unsigned int ecb_cold
1657	ev_embeddable_backends (void)	1728	ev_embeddable_backends (void)
1658	{	1729	{
1659	int flags = EVBACKEND_EPOLL \| EVBACKEND_KQUEUE \| EVBACKEND_PORT;	1730	int flags = EVBACKEND_EPOLL \| EVBACKEND_KQUEUE \| EVBACKEND_PORT;
1660		1731
1661	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	1732	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */
…		…
1706	ev_userdata (EV_P)	1777	ev_userdata (EV_P)
1707	{	1778	{
1708	return userdata;	1779	return userdata;
1709	}	1780	}
1710		1781
		1782	void
1711	void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P))	1783	ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P))
1712	{	1784	{
1713	invoke_cb = invoke_pending_cb;	1785	invoke_cb = invoke_pending_cb;
1714	}	1786	}
1715		1787
		1788	void
1716	void ev_set_loop_release_cb (EV_P_ void (release)(EV_P), void (acquire)(EV_P))	1789	ev_set_loop_release_cb (EV_P_ void (release)(EV_P), void (acquire)(EV_P))
1717	{	1790	{
1718	release_cb = release;	1791	release_cb = release;
1719	acquire_cb = acquire;	1792	acquire_cb = acquire;
1720	}	1793	}
1721	#endif	1794	#endif
1722		1795
1723	/* initialise a loop structure, must be zero-initialised */	1796	/* initialise a loop structure, must be zero-initialised */
1724	static void noinline	1797	static void noinline ecb_cold
1725	loop_init (EV_P_ unsigned int flags)	1798	loop_init (EV_P_ unsigned int flags)
1726	{	1799	{
1727	if (!backend)	1800	if (!backend)
1728	{	1801	{
1729	origflags = flags;	1802	origflags = flags;
…		…
1757	if (!(flags & EVFLAG_NOENV)	1830	if (!(flags & EVFLAG_NOENV)
1758	&& !enable_secure ()	1831	&& !enable_secure ()
1759	&& getenv ("LIBEV_FLAGS"))	1832	&& getenv ("LIBEV_FLAGS"))
1760	flags = atoi (getenv ("LIBEV_FLAGS"));	1833	flags = atoi (getenv ("LIBEV_FLAGS"));
1761		1834
1762	ev_rt_now = ev_time ();	1835	ev_rt_now = ev_time ();
1763	mn_now = get_clock ();	1836	mn_now = get_clock ();
1764	now_floor = mn_now;	1837	now_floor = mn_now;
1765	rtmn_diff = ev_rt_now - mn_now;	1838	rtmn_diff = ev_rt_now - mn_now;
1766	#if EV_FEATURE_API	1839	#if EV_FEATURE_API
1767	invoke_cb = ev_invoke_pending;	1840	invoke_cb = ev_invoke_pending;
1768	#endif	1841	#endif
1769		1842
1770	io_blocktime = 0.;	1843	io_blocktime = 0.;
1771	timeout_blocktime = 0.;	1844	timeout_blocktime = 0.;
1772	backend = 0;	1845	backend = 0;
1773	backend_fd = -1;	1846	backend_fd = -1;
1774	sig_pending = 0;	1847	sig_pending = 0;
1775	#if EV_ASYNC_ENABLE	1848	#if EV_ASYNC_ENABLE
1776	async_pending = 0;	1849	async_pending = 0;
1777	#endif	1850	#endif
		1851	pipe_write_skipped = 0;
		1852	pipe_write_wanted = 0;
1778	#if EV_USE_INOTIFY	1853	#if EV_USE_INOTIFY
1779	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;	1854	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
1780	#endif	1855	#endif
1781	#if EV_USE_SIGNALFD	1856	#if EV_USE_SIGNALFD
1782	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;	1857	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
1783	#endif	1858	#endif
1784		1859
1785	if (!(flags & EVBACKEND_MASK))	1860	if (!(flags & EVBACKEND_MASK))
1786	flags \|= ev_recommended_backends ();	1861	flags \|= ev_recommended_backends ();
1787		1862
…		…
1812	#endif	1887	#endif
1813	}	1888	}
1814	}	1889	}
1815		1890
1816	/* free up a loop structure */	1891	/* free up a loop structure */
1817	void	1892	void ecb_cold
1818	ev_loop_destroy (EV_P)	1893	ev_loop_destroy (EV_P)
1819	{	1894	{
1820	int i;	1895	int i;
1821		1896
1822	#if EV_MULTIPLICITY	1897	#if EV_MULTIPLICITY
…		…
1952	infy_fork (EV_A);	2027	infy_fork (EV_A);
1953	#endif	2028	#endif
1954		2029
1955	if (ev_is_active (&pipe_w))	2030	if (ev_is_active (&pipe_w))
1956	{	2031	{
1957	/* this "locks" the handlers against writing to the pipe */	2032	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */
1958	/* while we modify the fd vars */
1959	sig_pending = 1;
1960	#if EV_ASYNC_ENABLE
1961	async_pending = 1;
1962	#endif
1963		2033
1964	ev_ref (EV_A);	2034	ev_ref (EV_A);
1965	ev_io_stop (EV_A_ &pipe_w);	2035	ev_io_stop (EV_A_ &pipe_w);
1966		2036
1967	#if EV_USE_EVENTFD	2037	#if EV_USE_EVENTFD
…		…
1985	postfork = 0;	2055	postfork = 0;
1986	}	2056	}
1987		2057
1988	#if EV_MULTIPLICITY	2058	#if EV_MULTIPLICITY
1989		2059
1990	struct ev_loop *	2060	struct ev_loop * ecb_cold
1991	ev_loop_new (unsigned int flags)	2061	ev_loop_new (unsigned int flags)
1992	{	2062	{
1993	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	2063	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
1994		2064
1995	memset (EV_A, 0, sizeof (struct ev_loop));	2065	memset (EV_A, 0, sizeof (struct ev_loop));
…		…
2003	}	2073	}
2004		2074
2005	#endif /* multiplicity */	2075	#endif /* multiplicity */
2006		2076
2007	#if EV_VERIFY	2077	#if EV_VERIFY
2008	static void noinline	2078	static void noinline ecb_cold
2009	verify_watcher (EV_P_ W w)	2079	verify_watcher (EV_P_ W w)
2010	{	2080	{
2011	assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));	2081	assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
2012		2082
2013	if (w->pending)	2083	if (w->pending)
2014	assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));	2084	assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
2015	}	2085	}
2016		2086
2017	static void noinline	2087	static void noinline ecb_cold
2018	verify_heap (EV_P_ ANHE *heap, int N)	2088	verify_heap (EV_P_ ANHE *heap, int N)
2019	{	2089	{
2020	int i;	2090	int i;
2021		2091
2022	for (i = HEAP0; i < N + HEAP0; ++i)	2092	for (i = HEAP0; i < N + HEAP0; ++i)
…		…
2027		2097
2028	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));	2098	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));
2029	}	2099	}
2030	}	2100	}
2031		2101
2032	static void noinline	2102	static void noinline ecb_cold
2033	array_verify (EV_P_ W *ws, int cnt)	2103	array_verify (EV_P_ W *ws, int cnt)
2034	{	2104	{
2035	while (cnt--)	2105	while (cnt--)
2036	{	2106	{
2037	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));	2107	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));
…		…
2039	}	2109	}
2040	}	2110	}
2041	#endif	2111	#endif
2042		2112
2043	#if EV_FEATURE_API	2113	#if EV_FEATURE_API
2044	void	2114	void ecb_cold
2045	ev_verify (EV_P)	2115	ev_verify (EV_P)
2046	{	2116	{
2047	#if EV_VERIFY	2117	#if EV_VERIFY
2048	int i;	2118	int i;
2049	WL w;	2119	WL w;
…		…
2115	#endif	2185	#endif
2116	}	2186	}
2117	#endif	2187	#endif
2118		2188
2119	#if EV_MULTIPLICITY	2189	#if EV_MULTIPLICITY
2120	struct ev_loop *	2190	struct ev_loop * ecb_cold
2121	#else	2191	#else
2122	int	2192	int
2123	#endif	2193	#endif
2124	ev_default_loop (unsigned int flags)	2194	ev_default_loop (unsigned int flags)
2125	{	2195	{
…		…
2324	}	2394	}
2325	}	2395	}
2326		2396
2327	/* simply recalculate all periodics */	2397	/* simply recalculate all periodics */
2328	/* TODO: maybe ensure that at least one event happens when jumping forward? */	2398	/* TODO: maybe ensure that at least one event happens when jumping forward? */
2329	static void noinline	2399	static void noinline ecb_cold
2330	periodics_reschedule (EV_P)	2400	periodics_reschedule (EV_P)
2331	{	2401	{
2332	int i;	2402	int i;
2333		2403
2334	/* adjust periodics after time jump */	2404	/* adjust periodics after time jump */
…		…
2347	reheap (periodics, periodiccnt);	2417	reheap (periodics, periodiccnt);
2348	}	2418	}
2349	#endif	2419	#endif
2350		2420
2351	/* adjust all timers by a given offset */	2421	/* adjust all timers by a given offset */
2352	static void noinline	2422	static void noinline ecb_cold
2353	timers_reschedule (EV_P_ ev_tstamp adjust)	2423	timers_reschedule (EV_P_ ev_tstamp adjust)
2354	{	2424	{
2355	int i;	2425	int i;
2356		2426
2357	for (i = 0; i < timercnt; ++i)	2427	for (i = 0; i < timercnt; ++i)
…		…
2499	ev_tstamp prev_mn_now = mn_now;	2569	ev_tstamp prev_mn_now = mn_now;
2500		2570
2501	/* update time to cancel out callback processing overhead */	2571	/* update time to cancel out callback processing overhead */
2502	time_update (EV_A_ 1e100);	2572	time_update (EV_A_ 1e100);
2503		2573
		2574	/* from now on, we want a pipe-wake-up */
		2575	pipe_write_wanted = 1;
		2576
2504	if (expect_true (!(flags & EVRUN_NOWAIT \|\| idleall \|\| !activecnt)))	2577	if (expect_true (!(flags & EVRUN_NOWAIT \|\| idleall \|\| !activecnt \|\| pipe_write_skipped)))
2505	{	2578	{
2506	waittime = MAX_BLOCKTIME;	2579	waittime = MAX_BLOCKTIME;
2507		2580
2508	if (timercnt)	2581	if (timercnt)
2509	{	2582	{
…		…
2548	++loop_count;	2621	++loop_count;
2549	#endif	2622	#endif
2550	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */	2623	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2551	backend_poll (EV_A_ waittime);	2624	backend_poll (EV_A_ waittime);
2552	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */	2625	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
		2626
		2627	pipe_write_wanted = 0;
		2628
		2629	if (pipe_write_skipped)
		2630	{
		2631	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
		2632	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
		2633	}
		2634
2553		2635
2554	/* update ev_rt_now, do magic */	2636	/* update ev_rt_now, do magic */
2555	time_update (EV_A_ waittime + sleeptime);	2637	time_update (EV_A_ waittime + sleeptime);
2556	}	2638	}
2557		2639
…		…
3211	infy_wd (EV_A_ ev->wd, ev->wd, ev);	3293	infy_wd (EV_A_ ev->wd, ev->wd, ev);
3212	ofs += sizeof (struct inotify_event) + ev->len;	3294	ofs += sizeof (struct inotify_event) + ev->len;
3213	}	3295	}
3214	}	3296	}
3215		3297
3216	inline_size void	3298	inline_size void ecb_cold
3217	ev_check_2625 (EV_P)	3299	ev_check_2625 (EV_P)
3218	{	3300	{
3219	/* kernels < 2.6.25 are borked	3301	/* kernels < 2.6.25 are borked
3220	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html	3302	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
3221	*/	3303	*/
…		…
3846	}	3928	}
3847		3929
3848	/*****************************************************************************/	3930	/*****************************************************************************/
3849		3931
3850	#if EV_WALK_ENABLE	3932	#if EV_WALK_ENABLE
3851	void	3933	void ecb_cold
3852	ev_walk (EV_P_ int types, void (cb)(EV_P_ int type, void w))	3934	ev_walk (EV_P_ int types, void (cb)(EV_P_ int type, void w))
3853	{	3935	{
3854	int i, j;	3936	int i, j;
3855	ev_watcher_list wl, wn;	3937	ev_watcher_list wl, wn;
3856		3938

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Comparing libev/ev.c (file contents): Revision 1.377 by root, Wed Jun 8 13:11:55 2011 UTC vs. Revision 1.380 by root, Mon Jun 27 19:20:01 2011 UTC

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Comparing libev/ev.c (file contents):
Revision 1.377 by root, Wed Jun 8 13:11:55 2011 UTC vs.
Revision 1.380 by root, Mon Jun 27 19:20:01 2011 UTC