tis_rwlock_destroy - Destroys the specified read-write lock object.
Standard C Library (libc.so, libc.a)
Address of the read-write lock object to be destroyed.
This routine destroys the specified read-write lock object. Prior to calling this routine, ensure that there are no locks granted to the specified read-write lock and that there are no threads waiting for pending lock acquisitions on the specified read-write lock.
This routine should be called only after all reader threads (and perhaps one writer thread) have finished using the specified read-write lock.
If an error condition occurs, this routine returns an integer value indicating the type of error. Possible return values are as follows: Successful completion. The lock is in use.
Functions: tis_read_lock(3), tis_read_trylock(3), tis_read_unlock(3), tis_rwlock_init(3), tis_write_lock(3), tis_write_trylock(3), tis_write_unlock(3)
Manuals: Guide to DECthreads and Programmer's Guide delim off