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    Reference for unit 'ipc': Procedures and functionsΒΆ

    Procedure/function Description
    ftok Create token from filename.
    msgctl Perform various operations on a message queue.
    msgget Return message queue ID, possibly creating the queue.
    msgrcv Retrieve a message from the queue.
    msgsnd Send a message to the message queue.
    semctl Perform various control operations on a semaphore set.
    semget Return the ID of a semaphore set, possibly creating the set.
    semop Perform semaphore operation.
    semtimedop Perform semaphore operation using timeout.
    shmat Attach a shared memory block.
    shmctl Perform control operations on a shared memory block.
    shmdt Detach shared memory block.
    shmget Return the ID of a shared memory block, possibly creating it.