NAME
pthread_rwlockattr_init —
initialize a read/write lock
SYNOPSIS
#include
<pthread.h>
int
pthread_rwlockattr_init(pthread_rwlockattr_t
*attr);
DESCRIPTION
The
pthread_rwlockattr_init()
function is used to initialize a read/write lock attributes object.
RETURN VALUES
If successful, the
pthread_rwlockattr_init() function will return zero.
Otherwise an error number will be returned to indicate the error.
ERRORS
pthread_rwlockattr_init() will fail
if:
- [
ENOMEM] - Insufficient memory exists to initialize the attribute object.
SEE ALSO
pthread_rwlock_init(3), pthread_rwlockattr_destroy(3), pthread_rwlockattr_getpshared(3), pthread_rwlockattr_setpshared(3)
STANDARDS
The pthread_rwlockattr_init() function is
expected to conform to Version 2 of the Single UNIX
Specification (“SUSv2”).
HISTORY
The pthread_rwlockattr_init() function
first appeared in FreeBSD 3.0 and
OpenBSD 2.5.