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gettimeofday.c (237434) gettimeofday.c (246117)
1/*-
2 * Copyright (c) 2012 Konstantin Belousov <kib@FreeBSD.org>
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23 * SUCH DAMAGE.
24 */
25
26#include <sys/cdefs.h>
1/*-
2 * Copyright (c) 2012 Konstantin Belousov <kib@FreeBSD.org>
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23 * SUCH DAMAGE.
24 */
25
26#include <sys/cdefs.h>
27__FBSDID("$FreeBSD: head/lib/libc/sys/gettimeofday.c 237434 2012-06-22 07:13:30Z kib $");
27__FBSDID("$FreeBSD: head/lib/libc/sys/gettimeofday.c 246117 2013-01-30 12:48:16Z kib $");
28
29#include <sys/syscall.h>
30#include <sys/time.h>
31#include <sys/vdso.h>
32#include <errno.h>
33#include "libc_private.h"
34
35int __gettimeofday(struct timeval *tv, struct timezone *tz);
36
37__weak_reference(__gettimeofday, gettimeofday);
38
39int
40__gettimeofday(struct timeval *tv, struct timezone *tz)
41{
42 int error;
43
28
29#include <sys/syscall.h>
30#include <sys/time.h>
31#include <sys/vdso.h>
32#include <errno.h>
33#include "libc_private.h"
34
35int __gettimeofday(struct timeval *tv, struct timezone *tz);
36
37__weak_reference(__gettimeofday, gettimeofday);
38
39int
40__gettimeofday(struct timeval *tv, struct timezone *tz)
41{
42 int error;
43
44 if (__vdso_gettimeofday != NULL && __vdso_gettc != NULL)
45 error = __vdso_gettimeofday(tv, tz);
46 else
47 error = ENOSYS;
44 error = __vdso_gettimeofday(tv, tz);
48 if (error == ENOSYS)
49 error = __sys_gettimeofday(tv, tz);
50 return (error);
51}
45 if (error == ENOSYS)
46 error = __sys_gettimeofday(tv, tz);
47 return (error);
48}