Maintenance Ruby 3.4 gets fixes, but no new features. Switch to Ruby 4.0 →
class method
Process::Sys.issetugid
() -> bool
Process::Sys.issetugid → true or false
process.c
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static VALUE
p_sys_issetugid(VALUE obj)
{
return RBOOL(issetugid());
}
Returns true if the process was created as a result of an execve(2) system call which had either of the setuid or setgid bits set (and extra privileges were given as a result) or if it has changed any of its real, effective or saved user or group IDs since it began execution.