/* Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ #include <features.h> #ifdef __USE_GNU #include <sched.h> #include <sys/types.h> #include <sys/syscall.h> #include <string.h> #include <sys/param.h> #if defined __NR_sched_getaffinity #define __NR___syscall_sched_getaffinity __NR_sched_getaffinity static __inline__ _syscall3(int, __syscall_sched_getaffinity, __kernel_pid_t, pid, size_t, cpusetsize, cpu_set_t *, cpuset) int sched_getaffinity(pid_t pid, size_t cpusetsize, cpu_set_t *cpuset) { int res = (__syscall_sched_getaffinity(pid, MIN(INT_MAX, cpusetsize), cpuset)); if (res != -1) { /* Clean the rest of the memory the kernel didn't do. */ memset ((char *) cpuset + res, '\0', cpusetsize - res); res = 0; } return res; } #endif #endif