1 files changed, 58 insertions, 0 deletions
diff --git a/examples/functions/notify.bash b/examples/functions/notify.bash
new file mode 100644
index 0000000..dafbac5
--- /dev/null
+++ b/examples/functions/notify.bash
@@ -0,0 +1,58 @@
+trap _notify CHLD
+NOTIFY_ALL=false
+unset NOTIFY_LIST
+unalias false
+
+false()
+{
+	return 1
+}
+
+_notify ()
+{
+	local i j
+	local newlist=
+
+	if $NOTIFY_ALL
+	then
+		return		# let bash take care of this itself
+	elif [ -z "$NOTIFY_LIST" ]; then
+		return
+	else
+		set -- $NOTIFY_LIST
+		for i in "$@"
+		do
+			j=$(jobs -n %$i)
+			if [ -n "$j" ]; then
+				echo "$j"
+				jobs -n %$i >/dev/null
+			else
+				newlist="newlist $i"
+			fi
+		done
+		NOTIFY_LIST="$newlist"
+	fi
+}
+
+notify ()
+{
+	local i j
+
+	if [ $# -eq 0 ]; then
+		NOTIFY_ALL=:
+		set -b
+		return
+	else
+		for i in "$@"
+		do
+			# turn a valid job spec into a job number
+			j=$(jobs $i)
+			case "$j" in
+			[*)	j=${j%%]*}
+				j=${j#[}
+				NOTIFY_LIST="$NOTIFY_LIST $j"
+				;;
+			esac
+		done
+	fi
+}