mutex — Apollo

SYSCALLS/MUTEX - mutual exclusion lock routines            1985/04/30


Include files:

     Fortran:    /sys/ins/mutex.ins.ftn
     Pascal:     /sys/ins/mutex.ins.pas


Procedures and Functions:


    MUTEX_$INIT (lock-record)
        Initializes a mutual exclusion lock record.

    lock-status = MUTEX_$LOCK (lock-record, wait-time)
        Obtains a mutual exclusion lock on a file.

    MUTEX_$UNLOCK (lock-record)
        Terminates a program's mutual exclusion lock on a file.
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