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thr_setprio.c (157457) thr_setprio.c (160287)
1/*
2 * Copyright (c) 1995 John Birrell <jb@cimlogic.com.au>.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

--- 15 unchanged lines hidden (view full) ---

24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 *
1/*
2 * Copyright (c) 1995 John Birrell <jb@cimlogic.com.au>.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

--- 15 unchanged lines hidden (view full) ---

24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 *
32 * $FreeBSD: head/lib/libthr/thread/thr_setprio.c 157457 2006-04-04 02:57:49Z davidxu $
32 * $FreeBSD: head/lib/libthr/thread/thr_setprio.c 160287 2006-07-12 06:13:18Z davidxu $
33 */
34
35#include "namespace.h"
36#include <pthread.h>
37#include "un-namespace.h"
38
39#include "thr_private.h"
40
41__weak_reference(_pthread_setprio, pthread_setprio);
42
43int
44_pthread_setprio(pthread_t pthread, int prio)
45{
33 */
34
35#include "namespace.h"
36#include <pthread.h>
37#include "un-namespace.h"
38
39#include "thr_private.h"
40
41__weak_reference(_pthread_setprio, pthread_setprio);
42
43int
44_pthread_setprio(pthread_t pthread, int prio)
45{
46 int ret, policy;
47 struct sched_param param;
46 struct pthread *curthread = _get_curthread();
47 struct sched_param param;
48 int ret;
48
49
49 if ((ret = _pthread_getschedparam(pthread, &policy, &param)) == 0) {
50 param.sched_priority = prio;
51 ret = _pthread_setschedparam(pthread, policy, &param);
50 param.sched_priority = prio;
51 if (pthread == curthread) {
52 THR_LOCK(curthread);
53 ret = sched_setparam((pid_t)curthread->tid, &param);
54 if (ret == -1)
55 ret = errno;
56 else
57 curthread->attr.prio = prio;
58 THR_UNLOCK(curthread);
59 } else if ((ret = _thr_ref_add(curthread, pthread, /*include dead*/0))
60 == 0) {
61 THR_THREAD_LOCK(curthread, pthread);
62 ret = sched_setparam((pid_t)pthread->tid, &param);
63 if (ret == -1)
64 ret = errno;
65 else
66 pthread->attr.prio = prio;
67 THR_THREAD_UNLOCK(curthread, pthread);
68 _thr_ref_delete(curthread, pthread);
52 }
69 }
53
54 /* Return the error status: */
55 return (ret);
56}
70 return (ret);
71}