Hurd: fix mode type for openat
[glibc.git] / nptl / pthread_mutexattr_getprioceiling.c
blob56d103278dc44c832e9ea0110ac497aa29b8fa48
1 /* Get priority ceiling setting from pthread_mutexattr_t.
2 Copyright (C) 2006 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by Jakub Jelinek <jakub@redhat.com>, 2006.
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, see
18 <http://www.gnu.org/licenses/>. */
20 #include <pthreadP.h>
23 int
24 pthread_mutexattr_getprioceiling (attr, prioceiling)
25 const pthread_mutexattr_t *attr;
26 int *prioceiling;
28 const struct pthread_mutexattr *iattr;
29 int ceiling;
31 iattr = (const struct pthread_mutexattr *) attr;
33 ceiling = ((iattr->mutexkind & PTHREAD_MUTEXATTR_PRIO_CEILING_MASK)
34 >> PTHREAD_MUTEXATTR_PRIO_CEILING_SHIFT);
36 if (! ceiling)
38 if (__sched_fifo_min_prio == -1)
39 __init_sched_fifo_prio ();
40 if (ceiling < __sched_fifo_min_prio)
41 ceiling = __sched_fifo_min_prio;
44 *prioceiling = ceiling;
46 return 0;