st

commit b145b87ab7eae711275a5ea8ad4568980d8b2970
parent 417c04e999cfc910ad2ace83834c45d1d8fb05ff
Author: Michael Forney <mforney@mforney.org>
Date:   Sat, 22 Feb 2020 17:17:01 -0800

Only send SIGHUP on close when using PTY

Otherwise, pid is at its default value (0), so SIGHUP gets sent to
the entire process group.

Diffstat:
M
st.c
 | 
6
++++--

1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/st.c b/st.c
@@ -4324,8 +4324,10 @@ toplevelconfigure(void *data, struct xdg_toplevel *toplevel, int32_t w, int32_t 
 void
 toplevelclose(void *data, struct xdg_toplevel *toplevel)
 {
-	/* Send SIGHUP to shell */
-	kill(pid, SIGHUP);
+	if (pid) {
+		/* Send SIGHUP to shell */
+		kill(pid, SIGHUP);
+	}
 	exit(0);
 }