End of Life Ruby 3.0 has reached end of life and gets no more fixes. Switch to Ruby 4.0 →

class method

Process::UID.eid

Process.euid → integer

Process::UID.eid → integer

Process::Sys.geteuid → integer

static VALUE
proc_geteuid(VALUE obj)
{
    rb_uid_t euid = geteuid();
    return UIDT2NUM(euid);
}

Returns the effective user ID for this process.

Example

Process.euid   #=> 501

See also .change_privilege .from_name .grant_privilege also in 4.1 · 4.0 · 3.4 · 3.3 · 3.2 · 3.1