1 /* Copyright (C) 2002, 2003, 2004, 2006, 2007 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, write to the Free
17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
24 #include <lowlevellock.h>
29 __pthread_setschedparam (
32 const struct sched_param *param)
34 struct pthread *pd = (struct pthread *) threadid;
36 /* Make sure the descriptor is valid. */
37 if (INVALID_TD_P (pd))
38 /* Not a valid thread handle. */
43 lll_lock (pd->lock, LLL_PRIVATE);
46 const struct sched_param *orig_param = param;
48 /* If the thread should have higher priority because of some
49 PTHREAD_PRIO_PROTECT mutexes it holds, adjust the priority. */
50 if (__builtin_expect (pd->tpp != NULL, 0)
51 && pd->tpp->priomax > param->sched_priority)
54 p.sched_priority = pd->tpp->priomax;
58 /* Try to set the scheduler information. */
59 if (__builtin_expect (__sched_setscheduler (pd->tid, policy,
64 /* We succeeded changing the kernel information. Reflect this
65 change in the thread descriptor. */
66 pd->schedpolicy = policy;
67 memcpy (&pd->schedparam, orig_param, sizeof (struct sched_param));
68 pd->flags |= ATTR_FLAG_SCHED_SET | ATTR_FLAG_POLICY_SET;
71 lll_unlock (pd->lock, LLL_PRIVATE);
75 strong_alias (__pthread_setschedparam, pthread_setschedparam)