PTHREAD_RWLOCK_DESTROY(3) |
FreeBSD Library Functions Manual |
PTHREAD_RWLOCK_DESTROY(3) |
NAME
pthread_rwlock_destroy —
destroy a read/write lock
LIBRARY
POSIX Threads Library (libpthread, -lpthread)
SYNOPSIS
#include < pthread.h>
int
pthread_rwlock_destroy( pthread_rwlock_t *lock);
DESCRIPTION
The
pthread_rwlock_destroy() function is used to destroy a read/write lock previously created with
pthread_rwlock_init().
RETURN VALUES
If successful, the
pthread_rwlock_destroy() function will return zero. Otherwise an error number will be returned to indicate the error.
ERRORS
The
pthread_rwlock_destroy() function will fail if:
-
[
EPERM]
-
The caller does not have the privilege to perform the operation.
The pthread_rwlock_destroy() function may fail if:
-
[
EBUSY]
-
The system has detected an attempt to destroy the object referenced by
lock while it is locked.
-
[
EINVAL]
-
The value specified by
lock is invalid.
STANDARDS
The
pthread_rwlock_destroy() function is expected to conform to Version 2 of the Single UNIX Specification (“SUSv2”).
HISTORY
The
pthread_rwlock_destroy() function first appeared in
FreeBSD 3.0.