diff options
Diffstat (limited to 'REORG.TODO/nptl/pthread_rwlock_init.c')
| -rw-r--r-- | REORG.TODO/nptl/pthread_rwlock_init.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/REORG.TODO/nptl/pthread_rwlock_init.c b/REORG.TODO/nptl/pthread_rwlock_init.c new file mode 100644 index 0000000000..764ba110fb --- /dev/null +++ b/REORG.TODO/nptl/pthread_rwlock_init.c @@ -0,0 +1,48 @@ +/* Copyright (C) 2002-2017 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, see + <http://www.gnu.org/licenses/>. */ + +#include "pthreadP.h" +#include <string.h> + + +static const struct pthread_rwlockattr default_rwlockattr = + { + .lockkind = PTHREAD_RWLOCK_DEFAULT_NP, + .pshared = PTHREAD_PROCESS_PRIVATE + }; + + +/* See pthread_rwlock_common.c. */ +int +__pthread_rwlock_init (pthread_rwlock_t *rwlock, + const pthread_rwlockattr_t *attr) +{ + const struct pthread_rwlockattr *iattr; + + iattr = ((const struct pthread_rwlockattr *) attr) ?: &default_rwlockattr; + + memset (rwlock, '\0', sizeof (*rwlock)); + + rwlock->__data.__flags = iattr->lockkind; + + /* The value of __SHARED in a private rwlock must be zero. */ + rwlock->__data.__shared = (iattr->pshared != PTHREAD_PROCESS_PRIVATE); + + return 0; +} +strong_alias (__pthread_rwlock_init, pthread_rwlock_init) |