src/lib/libPlatform/linux/os_posix.h

   1 #pragma once
   2 /*
   3  *      Copyright (C) 2005-2011 Team XBMC
   4  *      http://www.xbmc.org
   5  *
   6  *  This Program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation; either version 2, or (at your option)
   9  *  any later version.
  10  *
  11  *  This Program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18  *
  19  */
  20
  21 #define _FILE_OFFSET_BITS 64
  22 #include <stdlib.h>
  23 #include <stdio.h>
  24 #include <stdarg.h>
  25 #include <string.h>
  26 #include <stdint.h>
  27 #include <unistd.h>
  28 #include <errno.h>
  29 #include <fcntl.h>
  30 #include <sys/types.h>
  31 #include <sys/time.h>
  32 #include <sys/timeb.h>
  33 #include <sys/resource.h>
  34 #include <sys/syscall.h>
  35 #ifndef __APPLE__
  36 #include <sys/prctl.h>
  37 #endif
  38 #include <pthread.h>
  39 #include <poll.h>
  40 #include <semaphore.h>
  41
  42 #define LIBTYPE
  43 #define DECLSPEC
  44
  45 #ifndef _STL_ALGOBASE_H
  46 template<class T> inline T min(T a, T b) { return a <= b ? a : b; }
  47 template<class T> inline T max(T a, T b) { return a >= b ? a : b; }
  48 template<class T> inline int sgn(T a) { return a < 0 ? -1 : a > 0 ? 1 : 0; }
  49 template<class T> inline void swap(T &a, T &b) { T t = a; a = b; b = t; }
  50 #endif
  51
  52 /*!
  53  * @return the current time in seconds since unix epoch.
  54  */
  55 static inline uint64_t getcurrenttime(void)
  56 {
  57   struct timeval t;
  58   gettimeofday(&t, NULL);
  59   return ((uint64_t)t.tv_sec * 1000) + (t.tv_usec / 1000);
  60 }