CPU_NUMBER(9) | Kernel Developer's Manual | CPU_NUMBER(9)

# NAME

`cpu_number` —
unique 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

curcpu(9)

April 13, 2010 | NetBSD 9.5