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- /* 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 "pthreadP.h"
- static const struct pthread_rwlockattr default_attr =
- {
- .lockkind = PTHREAD_RWLOCK_DEFAULT_NP,
- .pshared = PTHREAD_PROCESS_PRIVATE
- };
- int
- __pthread_rwlock_init (rwlock, attr)
- pthread_rwlock_t *rwlock;
- const pthread_rwlockattr_t *attr;
- {
- const struct pthread_rwlockattr *iattr;
- iattr = ((const struct pthread_rwlockattr *) attr) ?: &default_attr;
- rwlock->__data.__lock = 0;
- rwlock->__data.__flags
- = iattr->lockkind == PTHREAD_RWLOCK_PREFER_WRITER_NONRECURSIVE_NP;
- rwlock->__data.__nr_readers = 0;
- rwlock->__data.__writer = 0;
- rwlock->__data.__readers_wakeup = 0;
- rwlock->__data.__writer_wakeup = 0;
- rwlock->__data.__nr_readers_queued = 0;
- rwlock->__data.__nr_writers_queued = 0;
- return 0;
- }
- strong_alias (__pthread_rwlock_init, pthread_rwlock_init)
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