| /* Get priority ceiling setting from pthread_mutexattr_t. |
| Copyright (C) 2006-2014 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| Contributed by Jakub Jelinek <jakub@redhat.com>, 2006. |
| |
| 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, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include <pthreadP.h> |
| |
| |
| int |
| pthread_mutexattr_getprioceiling (attr, prioceiling) |
| const pthread_mutexattr_t *attr; |
| int *prioceiling; |
| { |
| const struct pthread_mutexattr *iattr; |
| int ceiling; |
| |
| iattr = (const struct pthread_mutexattr *) attr; |
| |
| ceiling = ((iattr->mutexkind & PTHREAD_MUTEXATTR_PRIO_CEILING_MASK) |
| >> PTHREAD_MUTEXATTR_PRIO_CEILING_SHIFT); |
| |
| if (! ceiling) |
| { |
| if (__sched_fifo_min_prio == -1) |
| __init_sched_fifo_prio (); |
| if (ceiling < __sched_fifo_min_prio) |
| ceiling = __sched_fifo_min_prio; |
| } |
| |
| *prioceiling = ceiling; |
| |
| return 0; |
| } |
