os-posix.h revision e711ca0dbf7d0a55897aec0a0249f349fee37894 
1/*
2 * posix specific declarations
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 * Copyright (c) 2010 Jes Sorensen <Jes.Sorensen@redhat.com>
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining a copy
8 * of this software and associated documentation files (the "Software"), to deal
9 * in the Software without restriction, including without limitation the rights
10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
11 * copies of the Software, and to permit persons to whom the Software is
12 * furnished to do so, subject to the following conditions:
13 *
14 * The above copyright notice and this permission notice shall be included in
15 * all copies or substantial portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
23 * THE SOFTWARE.
24 */
25
26#ifndef QEMU_OS_POSIX_H
27#define QEMU_OS_POSIX_H
28
29void os_set_line_buffering(void);
30void os_set_proc_name(const char *s);
31void os_setup_signal_handling(void);
32void os_daemonize(void);
33void os_setup_post(void);
34int os_mlock(void);
35
36typedef struct timeval qemu_timeval;
37#define qemu_gettimeofday(tp) gettimeofday(tp, NULL)
38
39#ifndef CONFIG_UTIMENSAT
40#ifndef UTIME_NOW
41# define UTIME_NOW     ((1l << 30) - 1l)
42#endif
43#ifndef UTIME_OMIT
44# define UTIME_OMIT    ((1l << 30) - 2l)
45#endif
46#endif
47typedef struct timespec qemu_timespec;
48int qemu_utimens(const char *path, const qemu_timespec *times);
49
50bool is_daemonized(void);
51int qemu_utimensat(int dirfd, const char *path, const qemu_timespec *times,
52    int flags);
53
54#endif
55