diff options
author | "Steven J. Hill" <sjhill@realitydiluted.com> | 2005-05-07 02:04:55 +0000 |
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committer | "Steven J. Hill" <sjhill@realitydiluted.com> | 2005-05-07 02:04:55 +0000 |
commit | 0b3366f6a93ac0f7e2028745ea557c0acd8722c6 (patch) | |
tree | 2a87cb353c106eb55a44437d3b4d5e0d60af1d36 /libpthread/nptl/pthread_rwlockattr_setkind_np.c | |
parent | 2274f6b2ddc7d7ea919a8fa1f9c54ef1920cb180 (diff) |
Import in NPTL code from glibc. For further information please
consult the 'README.NPTL' file.
Diffstat (limited to 'libpthread/nptl/pthread_rwlockattr_setkind_np.c')
-rw-r--r-- | libpthread/nptl/pthread_rwlockattr_setkind_np.c | 41 |
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..0311f1b50 --- /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 (attr, pref) + 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; +} |