diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/sched_getaffinity.c')
-rw-r--r-- | sysdeps/unix/sysv/linux/sched_getaffinity.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/sched_getaffinity.c b/sysdeps/unix/sysv/linux/sched_getaffinity.c new file mode 100644 index 0000000000..12e6e1603a --- /dev/null +++ b/sysdeps/unix/sysv/linux/sched_getaffinity.c @@ -0,0 +1,45 @@ +/* Copyright (C) 2002, 2003 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 <errno.h> +#include <sched.h> +#include <string.h> +#include <sysdep.h> +#include <sys/types.h> + + +#ifdef __NR_sched_getaffinity +int +sched_getaffinity (pid, cpuset) + pid_t pid; + cpu_set_t *cpuset; +{ + int res = INLINE_SYSCALL (sched_getaffinity, 3, pid, sizeof (cpu_set_t), + cpuset); + if (res != -1) + { + /* Clean the rest of the memory the kernel didn't do. */ + memset ((char *) cpuset + res, '\0', sizeof (cpu_set_t) - res); + + res = 0; + } + return res; +} +#else +# include <sysdeps/generic/sched_getaffinity.c> +#endif |