Locked access to variables in sub-agent

    Hi.

    I'm currently working on a project that allow to access some data for
    which access is locked. Variables are in a shared memory segment and
    any access to that segment is locked via a semaphore.

    The project (that I did not create: I just hack on it) is a library to
    ease the creation of a sub-agent for our client company. The previous
    developper have used the netsnmp_register_int_instance() function to
    register integer variables.
    As access are locked, I would like to add a lock/unlock function around
    the GET or SET action :

    get :
    - lock
    - GET
    - unlock

    set :
    - lock
    - SET
    - unlock

    I could not find any answer to that by reading the archives for 3 days.
    Could someone give me hints on how to proceed ?

    Thank you in advance.


Thomas.

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