include/sysemu/os-posix.h

   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
  29 #include <sys/time.h>
  30
  31 void os_set_line_buffering(void);
  32 void os_set_proc_name(const char *s);
  33 void os_setup_signal_handling(void);
  34 void os_daemonize(void);
  35 void os_setup_post(void);
  36 int os_mlock(void);
  37
  38 typedef struct timeval qemu_timeval;
  39 #define qemu_gettimeofday(tp) gettimeofday(tp, NULL)
  40
  41 #ifndef CONFIG_UTIMENSAT
  42 #ifndef UTIME_NOW
  43 # define UTIME_NOW     ((1l << 30) - 1l)
  44 #endif
  45 #ifndef UTIME_OMIT
  46 # define UTIME_OMIT    ((1l << 30) - 2l)
  47 #endif
  48 #endif
  49 typedef struct timespec qemu_timespec;
  50 int qemu_utimens(const char *path, const qemu_timespec *times);
  51
  52 bool is_daemonized(void);
  53
  54 #endif