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author | Roland McGrath <roland@gnu.org> | 2006-02-28 09:57:07 +0000 |
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committer | Roland McGrath <roland@gnu.org> | 2006-02-28 09:57:07 +0000 |
commit | a5f2bd861c4c84ac66164951a7f32e1d6f57849c (patch) | |
tree | 513c87adf7cf9e919713fc3e0f55959a6b2f6d3b /nptl/pthread_mutexattr_setprioceiling.c | |
parent | 8d2e6a0383b6958311f021ee0b8b7eba44110f5a (diff) | |
download | glibc-a5f2bd861c4c84ac66164951a7f32e1d6f57849c.tar.gz glibc-a5f2bd861c4c84ac66164951a7f32e1d6f57849c.tar.xz glibc-a5f2bd861c4c84ac66164951a7f32e1d6f57849c.zip |
* elf/rtld-Rules (subdir-args): New variable.
(rtld-subdir-make): Use it.
Diffstat (limited to 'nptl/pthread_mutexattr_setprioceiling.c')
-rw-r--r-- | nptl/pthread_mutexattr_setprioceiling.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/nptl/pthread_mutexattr_setprioceiling.c b/nptl/pthread_mutexattr_setprioceiling.c new file mode 100644 index 0000000000..6c15b46833 --- /dev/null +++ b/nptl/pthread_mutexattr_setprioceiling.c @@ -0,0 +1,39 @@ +/* Change priority ceiling setting in pthread_mutexattr_t. + Copyright (C) 2006 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <pthreadP.h> + + +int +pthread_mutexattr_setprioceiling (attr, prioceiling) + pthread_mutexattr_t *attr; + int prioceiling; +{ + if (prioceiling < 0 || __builtin_expect (prioceiling > 255, 0)) + return EINVAL; + + struct pthread_mutexattr *iattr = (struct pthread_mutexattr *) attr; + + iattr->mutexkind = ((iattr->mutexkind & ~PTHREAD_MUTEXATTR_PRIO_CEILING_MASK) + | (prioceiling << PTHREAD_MUTEXATTR_PRIO_CEILING_SHIFT)); + + return 0; +} |