tis_write_unlock

Unlocks a readers/writer lock.

Syntax

tis_write_unlock( lock );

Argument Data Type Access

lock opaque tis_rwlock_t write

C Binding

#include 


int
tis_write_unlock (
         tis_rwlock_t   *lock);

Arguments

lock: Address of the readers/writer lock.

Description

This routine unlocks a readers/writer lock that was acquired in write access mode. Upon completion of this routine, any thread waiting to acquire the lock in read access mode will have the locks granted. If no threads are waiting to acquire the lock in read access mode, then a thread waiting to acquire it in write access mode will have the lock granted.

Return Values

If an error condition occurs, this routine returns an integer value indicating the type error. Possible return values are as follows:

Return Description

0 Successful completion. [EINVAL] The value specified by lock is invalid.

Associated Routines

   tis_read_lock
   tis_read_trylock
   tis_read_unlock
   tis_rwlock_init
   tis_rwlock_destroy
   tis_write_lock
   tis_write_trylock