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AIX Version 4.3 Base Operating System and Extensions Technical Reference, Volume 1

odm_unlock Subroutine


Releases a lock put on a path name.


Object Data Manager Library (libodm.a)


#include <odmi.h>
int odm_unlock (LockID)
int LockID;


The odm_unlock subroutine releases a previously granted lock on a path name. This path name can be a directory containing subdirectories and object classes.


LockID Identifies the lock returned from the odm_lock subroutine.

Return Values

Upon successful completion a value of 0 is returned. If the odm_unlock subroutine is unsuccessful, a value of -1 is returned and the odmerrno variable is set to an error code.

Error Codes

Failure of the odm_unlock subroutine sets the odmerrno variable to one of the following error codes:

                          The lock identifier does not refer to a valid lock. The lock identifier must be the same as what was returned from the odm_lock subroutine.
                          Cannot unlock the lock file. Make sure the lock file exists.

Implementation Specifics

This subroutine is part of Base Operating System (BOS) Runtime.

Related Information

The odm_lock subroutine.

List of ODM Commands and Subroutines.

Object Data Manager (ODM) Overview for Programmers in AIX Version 4.3 General Programming Concepts: Writing and Debugging Programs.

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