v/vlib/runtime/runtime_nix.c.v

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module runtime
fn C.sysconf(name int) i64
// nr_cpus returns the number of virtual CPU cores found on the system.
pub fn nr_cpus() int {
$if linux || macos || solaris {
return int(C.sysconf(C._SC_NPROCESSORS_ONLN))
}
return 1
}