pthread_rwlockattr_init
—
initialize a read/write lock
POSIX Threads Library (libpthread, -lpthread)
#include <pthread.h>
int
pthread_rwlockattr_init
(pthread_rwlockattr_t
*attr);
The pthread_rwlockattr_init
() function is used to
initialize a read/write lock attributes object.
If successful, the pthread_rwlockattr_init
() function
will return zero. Otherwise an error number will be returned to indicate the
error.
The pthread_rwlockattr_init
() function will fail if:
- [
ENOMEM
]
- Insufficient memory exists to initialize the attribute object.
The pthread_rwlockattr_init
() function is expected to
conform to Version 2 of the Single UNIX Specification
(“SUSv2”).
The pthread_rwlockattr_init
() function first appeared in
FreeBSD 3.0.