Manual Pages  — PTHREAD_RWLOCKATTR_INIT

pthread_rwlockattr_init – initialize a read/write lock

LIBRARY SYNOPSIS DESCRIPTION RETURN VALUES ERRORS SEE ALSO STANDARDS HISTORY

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.

The pthread_rwlockattr_init() function first appeared in FreeBSD 3.0 .