NAME    [Toc]    [Back]

       tis_read_unlock  -  Unlocks  a  read-write  lock  that was
       acquired for read access

SYNOPSIS    [Toc]    [Back]

       #include <tis.h>

       int tis_read_lock(
               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 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.

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_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



                                               tis_read_unlock(3)