mirror of
https://github.com/freebsd/freebsd-src
synced 2024-07-22 18:56:38 +00:00
85 lines
2.8 KiB
C
85 lines
2.8 KiB
C
/*-
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*
|
|
* Copyright (c) 2008, David Xu <davidxu@freebsd.org>
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice unmodified, this list of conditions, and the following
|
|
* disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include "namespace.h"
|
|
#include <pthread_np.h>
|
|
#include <sys/param.h>
|
|
#include <sys/cpuset.h>
|
|
#include "un-namespace.h"
|
|
|
|
#include "thr_private.h"
|
|
|
|
__weak_reference(_pthread_getaffinity_np, pthread_getaffinity_np);
|
|
__weak_reference(_pthread_setaffinity_np, pthread_setaffinity_np);
|
|
|
|
int
|
|
_pthread_setaffinity_np(pthread_t td, size_t cpusetsize, const cpuset_t *cpusetp)
|
|
{
|
|
struct pthread *curthread = _get_curthread();
|
|
lwpid_t tid;
|
|
int error;
|
|
|
|
if (td == curthread) {
|
|
error = cpuset_setaffinity(CPU_LEVEL_WHICH, CPU_WHICH_TID,
|
|
-1, cpusetsize, cpusetp);
|
|
if (error == -1)
|
|
error = errno;
|
|
} else if ((error = _thr_find_thread(curthread, td, 0)) == 0) {
|
|
tid = TID(td);
|
|
error = cpuset_setaffinity(CPU_LEVEL_WHICH, CPU_WHICH_TID, tid,
|
|
cpusetsize, cpusetp);
|
|
if (error == -1)
|
|
error = errno;
|
|
THR_THREAD_UNLOCK(curthread, td);
|
|
}
|
|
return (error);
|
|
}
|
|
|
|
int
|
|
_pthread_getaffinity_np(pthread_t td, size_t cpusetsize, cpuset_t *cpusetp)
|
|
{
|
|
struct pthread *curthread = _get_curthread();
|
|
lwpid_t tid;
|
|
int error;
|
|
|
|
if (td == curthread) {
|
|
error = cpuset_getaffinity(CPU_LEVEL_WHICH, CPU_WHICH_TID,
|
|
-1, cpusetsize, cpusetp);
|
|
if (error == -1)
|
|
error = errno;
|
|
} else if ((error = _thr_find_thread(curthread, td, 0)) == 0) {
|
|
tid = TID(td);
|
|
error = cpuset_getaffinity(CPU_LEVEL_WHICH, CPU_WHICH_TID, tid,
|
|
cpusetsize, cpusetp);
|
|
if (error == -1)
|
|
error = errno;
|
|
THR_THREAD_UNLOCK(curthread, td);
|
|
}
|
|
return (error);
|
|
}
|