diff options
Diffstat (limited to 'sysdeps/generic/pt-rwlock-init.c')
| -rw-r--r-- | sysdeps/generic/pt-rwlock-init.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/sysdeps/generic/pt-rwlock-init.c b/sysdeps/generic/pt-rwlock-init.c index 8fe87644..8aa495ec 100644 --- a/sysdeps/generic/pt-rwlock-init.c +++ b/sysdeps/generic/pt-rwlock-init.c @@ -1,5 +1,5 @@ /* Initialize a rwlock. Generic version. - Copyright (C) 2002 Free Software Foundation, Inc. + Copyright (C) 2002, 2005 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -18,14 +18,28 @@ Boston, MA 02111-1307, USA. */ #include <pthread.h> +#include <string.h> #include <pt-internal.h> int _pthread_rwlock_init (pthread_rwlock_t *rwlock, const pthread_rwlockattr_t *attr) { - *rwlock = __PTHREAD_RWLOCK_INITIALIZER; + *rwlock = (pthread_rwlock_t) __PTHREAD_RWLOCK_INITIALIZER; + + if (! attr + || memcmp (attr, &__pthread_default_rwlockattr, sizeof (*attr) == 0)) + /* Use the default attributes. */ + return 0; + + /* Non-default attributes. */ + + rwlock->__attr = malloc (sizeof *attr); + if (! rwlock->__attr) + return ENOMEM; + + *rwlock->__attr = *attr; return 0; } -weak_alias (_pthread_rwlock_init, pthread_rwlock_init); +strong_alias (_pthread_rwlock_init, pthread_rwlock_init); |