tis_read_unlock - Unlocks a read-write lock that was acquired for read 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 read access. If there are no other holders of the lock for read access and another thread is waiting to acquire the lock for write access, that lock acquisition is 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_rwlock_destroy(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