tis_write_unlock - Unlocks the specified read-write lock that was acquired for write access.
Standard C Library (libc.so, libc.a)
Address of the read-write lock to be unlocked.
This routine unlocks a read-write lock that was acquired for write access.
Upon completion of this routine, any thread waiting to acquire the lock for read access will have those acquisitions granted. If no threads are waiting to acquire the lock for read access, then a thread waiting to acquire it for write access will have that acquisition granted.
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 value specified by *lock is invalid.
Functions: tis_read_lock(3), tis_read_trylock(3), tis_read_unlock(3), tis_rwlock_init(3), tis_rwlock_destroy(3), tis_write_lock(3), tis_write_trylock(3)
Manuals: Guide to DECthreads and Programmer's Guide delim off