tis_write_unlock(3)					     Library Functions Manual					       tis_write_unlock(3)

NAME

       tis_write_unlock - Unlocks the specified read-write lock that was acquired for write access.

LIBRARY

       Standard C Library (libc.so, libc.a)

SYNOPSIS

       #include <tis.h>

       int   tis_write_unlock(
			      tis_rwlock_t   *lock);

STANDARDS

       None

PARAMETERS

       Address of the read-write lock to be unlocked.

DESCRIPTION

       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.

RETURN VALUES

       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.

ERRORS

       None

RELATED INFORMATION

       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

															       tis_write_unlock(3)