Performs initial setup for process preemption avoidance.
    Format
      SYS$SETUP_AVOID_PREEMPT  enable
    C Prototype
      int sys$setup_avoid_preempt  (int enable);
1 – Arguments
 enable
    OpenVMS usage:longword_unsigned
    type:         longword (unsigned)
    access:       read only
    mechanism:    by value
    Enables or disables preemption avoidance. If the enable argument
    is set to 1, preemption avoidance is enabled; if 0, preemption
    avoidance is disabled.