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/*
* This file is part of MPlayer.
*
* MPlayer is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* MPlayer is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with MPlayer; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <unistd.h>
#include "numcores.h"
#ifdef _SC_NPROCESSORS_ONLN
#define SCNAME _SC_NPROCESSORS_ONLN
#elif defined _SC_NPROC_ONLN
#define SCNAME _SC_NPROC_ONLN
#elif defined _SC_CRAY_NCPU
#define SCNAME _SC_CRAY_NCPU
#endif
#ifdef _WIN32
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
int default_thread_count(void)
{
SYSTEM_INFO info;
GetSystemInfo(&info);
int count = info.dwNumberOfProcessors;
if (count > 0)
return count;
return -1;
}
#elif defined SCNAME
int default_thread_count(void)
{
long nprocs = sysconf(SCNAME);
if (nprocs < 1)
return -1;
return nprocs;
}
#else
int default_thread_count(void)
{
return -2;
}
#endif
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