startcpu(2)startcpu(2)Namestartcpu - start a CPU
Syntaxstartcpu(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 execute
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 Alsostopcpu(2), startcpu(8), stopcpu(8)startcpu(2)