mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-14 01:00:07 +00:00
8e32efa63f
2004-03-29 Alexandre Oliva <aoliva@redhat.com> * sysdeps/unix/sysv/linux/sched_getaffinity.c: Prepend GLIBC_ to version names is SHLIB_COMPAT check. * sysdeps/unix/sysv/linux/sched_setaffinity.c: Likewise.
70 lines
2.3 KiB
C
70 lines
2.3 KiB
C
/* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
|
|
|
|
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 <assert.h>
|
|
#include <errno.h>
|
|
#include <pthreadP.h>
|
|
#include <string.h>
|
|
#include <sysdep.h>
|
|
#include <sys/types.h>
|
|
#include <shlib-compat.h>
|
|
|
|
|
|
int
|
|
__pthread_attr_getaffinity_new (const pthread_attr_t *attr, size_t cpusetsize,
|
|
cpu_set_t *cpuset)
|
|
{
|
|
const struct pthread_attr *iattr;
|
|
|
|
assert (sizeof (*attr) >= sizeof (struct pthread_attr));
|
|
iattr = (const struct pthread_attr *) attr;
|
|
|
|
if (iattr->cpuset != NULL)
|
|
{
|
|
/* Check whether there are any bits set beyond the limits
|
|
the user requested. */
|
|
for (size_t cnt = cpusetsize; cnt < iattr->cpusetsize; ++cnt)
|
|
if (((char *) iattr->cpuset)[cnt] != 0)
|
|
return EINVAL;
|
|
|
|
void *p = mempcpy (cpuset, iattr->cpuset, iattr->cpusetsize);
|
|
if (cpusetsize > iattr->cpusetsize)
|
|
memset (p, '\0', cpusetsize - iattr->cpusetsize);
|
|
}
|
|
else
|
|
/* We have no information. */
|
|
memset (cpuset, -1, cpusetsize);
|
|
|
|
return 0;
|
|
}
|
|
versioned_symbol (libpthread, __pthread_attr_getaffinity_new,
|
|
pthread_attr_getaffinity_np, GLIBC_2_3_4);
|
|
|
|
|
|
#if SHLIB_COMPAT (libpthread, GLIBC_2_3_3, GLIBC_2_3_4)
|
|
int
|
|
__pthread_attr_getaffinity_old (const pthread_attr_t *attr, cpu_set_t *cpuset)
|
|
{
|
|
/* The old interface by default assumed a 1024 processor bitmap. */
|
|
return __pthread_attr_getaffinity_new (attr, 128, cpuset);
|
|
}
|
|
compat_symbol (libpthread, __pthread_attr_getaffinity_old,
|
|
pthread_attr_getaffinity_np, GLIBC_2_3_3);
|
|
#endif
|