summaryrefslogtreecommitdiff
path: root/libpthread/nptl/pthread_rwlockattr_setkind_np.c
diff options
context:
space:
mode:
Diffstat (limited to 'libpthread/nptl/pthread_rwlockattr_setkind_np.c')
-rw-r--r--libpthread/nptl/pthread_rwlockattr_setkind_np.c41
1 files changed, 41 insertions, 0 deletions
diff --git a/libpthread/nptl/pthread_rwlockattr_setkind_np.c b/libpthread/nptl/pthread_rwlockattr_setkind_np.c
new file mode 100644
index 000000000..186bf737b
--- /dev/null
+++ b/libpthread/nptl/pthread_rwlockattr_setkind_np.c
@@ -0,0 +1,41 @@
+/* Copyright (C) 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
+
+ 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_rwlockattr_setkind_np (
+ pthread_rwlockattr_t *attr,
+ int pref)
+{
+ struct pthread_rwlockattr *iattr;
+
+ if (pref != PTHREAD_RWLOCK_PREFER_READER_NP
+ && pref != PTHREAD_RWLOCK_PREFER_WRITER_NONRECURSIVE_NP
+ && __builtin_expect (pref != PTHREAD_RWLOCK_PREFER_WRITER_NP, 0))
+ return EINVAL;
+
+ iattr = (struct pthread_rwlockattr *) attr;
+
+ iattr->lockkind = pref;
+
+ return 0;
+}