CPU_NUMBER(9) Kernel Developer's Manual CPU_NUMBER(9)
NAME
cpu_numberunique CPU identification number
SYNOPSIS
#include <sys/types.h>
#include <machine/cpu.h>
cpuid_t
cpu_number(void);
DESCRIPTION
The cpu_number() function returns an unique CPU identification number for the CPU that this thread is running on. It may also be implemented as a macro.
SEE ALSO