NAME    [Toc]    [Back]

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

SYNOPSIS    [Toc]    [Back]

       #include <tis.h>

       int tis_write_unlock(
               tis_rwlock_t *lock );

LIBRARY    [Toc]    [Back]

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

STANDARDS    [Toc]    [Back]

       None

PARAMETERS    [Toc]    [Back]

       Address of the read-write lock to be unlocked.

DESCRIPTION    [Toc]    [Back]

       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    [Toc]    [Back]

       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    [Toc]    [Back]

       None

SEE ALSO    [Toc]    [Back]

       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



                                              tis_write_unlock(3)