From a032a6587011cbdac8c2f7e11f15dc4e592bbb55 Mon Sep 17 00:00:00 2001 From: Austin Foxley Date: Tue, 16 Feb 2010 12:27:18 -0800 Subject: mass sync with glibc nptl Signed-off-by: Austin Foxley --- libpthread/nptl/pthread_mutex_getprioceiling.c | 38 ++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 libpthread/nptl/pthread_mutex_getprioceiling.c (limited to 'libpthread/nptl/pthread_mutex_getprioceiling.c') diff --git a/libpthread/nptl/pthread_mutex_getprioceiling.c b/libpthread/nptl/pthread_mutex_getprioceiling.c new file mode 100644 index 000000000..1ce5eaebe --- /dev/null +++ b/libpthread/nptl/pthread_mutex_getprioceiling.c @@ -0,0 +1,38 @@ +/* Get current priority ceiling of pthread_mutex_t. + Copyright (C) 2006 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jakub Jelinek , 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include +#include + + +int +pthread_mutex_getprioceiling (mutex, prioceiling) + const pthread_mutex_t *mutex; + int *prioceiling; +{ + if (__builtin_expect ((mutex->__data.__kind + & PTHREAD_MUTEX_PRIO_PROTECT_NP) == 0, 0)) + return EINVAL; + + *prioceiling = (mutex->__data.__lock & PTHREAD_MUTEX_PRIO_CEILING_MASK) + >> PTHREAD_MUTEX_PRIO_CEILING_SHIFT; + + return 0; +} -- cgit v1.2.3