Mirror signal deaths from real-time signals

src/signals.rs

@@ -194,12 +194,10 @@ pub fn exit_with_status(status: ExitStatus) -> ! {
 }
 
 fn kill_self_with(number: i32) -> ! {
-    if let Ok(signal) = Signal::try_from(number) {
-        let _ = prctl::set_dumpable(false);
-        let _ = unsafe { signal::signal(signal, SigHandler::SigDfl) };
-        let _ = SigSet::from(signal).thread_unblock();
-        let _ = signal::raise(signal);
-    }
+    let _ = prctl::set_dumpable(false);
+    unsafe { libc::signal(number, libc::SIG_DFL) };
+    let _ = to_sigset([number]).thread_unblock();
+    unsafe { libc::raise(number) };
 
     process::exit(128 + number)
 }