ultrix man page for startcpu

startcpu(2)							System Calls Manual						       startcpu(2)

Name
       startcpu - start a CPU

Syntax
       startcpu(cpunumber)
       int cpunumber;

Description
       The  system  call starts the CPU specified by cpunumber.  Any non-boot CPU can be started using this system call. Only a superuser can exe-
       cute this system call.

Return Values
       The call returns 0 if the CPU was started successfully, or else it returns -1 and sets errno appropriately.

Diagnostics
       [EPERM]	      The caller is not a superuser

       [EBUSY]	      The CPU is already running

       [ENODEV]       No CPU present by the given cpunumber

       [EINVAL]       Invalid value for cpunumber.  A valid cpunumber is between 0 and 31.

See Also
       stopcpu(2), startcpu(8), stopcpu(8)

																       startcpu(2)