NAME

pthread_rwlockattr_init — initialize a read/write lock

LIBRARY

POSIX Threads Library (libpthread, -lpthread)

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

The pthread_rwlockattr_init() function will fail if:

[ ENOMEM]

Insufficient memory exists to initialize the attribute object.

SEE ALSO

pthread_rwlockattr_destroy(3), pthread_rwlockattr_getpshared(3), pthread_rwlockattr_setpshared(3), pthread_rwlock_init(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.