mirror of
https://github.com/Relintai/osxcross.git
synced 2025-02-03 22:45:56 +01:00
29a5fee522
* add openbsd and dragonfly support * replace `` with $() in bash scripts * misc other changes
103 lines
2.9 KiB
C
103 lines
2.9 KiB
C
/***********************************************************************
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* OSXCross *
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* Copyright (C) 2013, 2014 by Thomas Poechtrager *
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* t.poechtrager@gmail.com *
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* *
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* This program is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU General Public License *
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* as published by the Free Software Foundation; either version 2 *
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* of the License, or (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the Free Software *
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* Foundation, Inc., *
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
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***********************************************************************/
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#include <stdio.h>
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#include <stdlib.h>
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#ifdef __CYGWIN__
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#define WIN32
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#endif /* __CYGWIN__ */
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#ifdef WIN32
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#include <windows.h>
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#endif /* WIN32 */
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#ifdef __linux__
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#define __USE_GNU
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#include <sched.h>
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#undef __USE_GNU
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#endif /* __linux__ */
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#if defined(__FreeBSD__) || defined(__NetBSD__) || \
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defined(__OpenBSD__) || defined(__DragonFly__) || \
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defined(__APPLE__)
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#include <unistd.h>
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#include <sys/param.h>
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#include <sys/types.h>
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#include <sys/sysctl.h>
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#ifndef HW_AVAILCPU
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#define HW_AVAILCPU 25
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#endif /* HW_AVAILCPU */
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#endif /* BSD */
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int getcpucount() {
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#ifdef WIN32
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SYSTEM_INFO sysinfo;
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GetSystemInfo(&sysinfo);
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return sysinfo.dwNumberOfProcessors;
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#else
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#ifdef __linux__
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cpu_set_t cs;
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int i, cpucount = 0;
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CPU_ZERO(&cs);
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sched_getaffinity(0, sizeof(cs), &cs);
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for (i = 0; i < 128; i++) {
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if (CPU_ISSET(i, &cs))
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cpucount++;
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}
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return cpucount ? cpucount : 1;
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#else
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#if defined(__FreeBSD__) || defined(__NetBSD__) || \
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defined(__OpenBSD__) || defined(__DragonFly__) || \
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defined(__APPLE__)
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int cpucount = 0;
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int mib[4];
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size_t len = sizeof(cpucount);
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mib[0] = CTL_HW;
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mib[1] = HW_AVAILCPU;
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sysctl(mib, 2, &cpucount, &len, NULL, 0);
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if (cpucount < 1) {
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mib[1] = HW_NCPU;
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sysctl(mib, 2, &cpucount, &len, NULL, 0);
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}
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return cpucount ? cpucount : 1;
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#else
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#warning unknown platform
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return 1;
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#endif /* BSD */
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#endif /* __linux__ */
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#endif /* WIN32 */
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}
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int main(void) {
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printf("%d\n", getcpucount());
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return 0;
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}
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