Handle signalling to sub process on non-unix

lib/src/action.rs

@@ -12,8 +12,6 @@ use tokio::{
 };
 use tracing::{debug, trace, warn};
 
-pub use command_group::Signal;
-
 use crate::{
 	command::Supervisor,
 	error::{CriticalError, RuntimeError},
@@ -232,10 +230,18 @@ async fn apply_outcome(
 		}
 
 		(Some(p), Outcome::Signal(sig)) => {
-			// TODO: windows
+			#[cfg(unix)]
+			if let Some(sig) = sig.to_nix() {
 				p.signal(sig).await;
 			}
 
+			#[cfg(windows)]
+			if let SubSignal::Terminate = sig {
+				p.kill().await;
+			}
+			// else: https://github.com/watchexec/watchexec/issues/219
+		}
+
 		(Some(p), Outcome::Wait) => {
 			p.wait().await?;
 		}

lib/src/action/outcome.rs

@@ -1,4 +1,4 @@
-use command_group::Signal;
+use crate::signal::process::SubSignal;
 
 #[derive(Clone, Debug, PartialEq, Eq)]
 #[non_exhaustive]
@@ -16,7 +16,7 @@ pub enum Outcome {
 	Wait,
 
 	/// Send this signal to the command.
-	Signal(Signal),
+	Signal(SubSignal),
 
 	/// Clear the (terminal) screen.
 	Clear,

lib/src/signal.rs

@@ -1,4 +1,4 @@
 //! Signal handling.
 
-pub mod source;
 pub mod process;
+pub mod source;

lib/src/signal/process.rs

@@ -151,7 +151,9 @@ impl FromStr for SubSignal {
 			}
 		}
 
-        if let Ok(sig) = NixSignal::from_str(&s.to_ascii_uppercase()).or_else(|_| NixSignal::from_str(&format!("SIG{}", s.to_ascii_uppercase()))) {
+		if let Ok(sig) = NixSignal::from_str(&s.to_ascii_uppercase())
+			.or_else(|_| NixSignal::from_str(&format!("SIG{}", s.to_ascii_uppercase())))
+		{
 			return Ok(Self::from_nix(sig));
 		}