Remove extra code from all-full-example.sh.

all-full-example.sh

@@ -35,11 +35,8 @@ cleanup() {
     kill_child_jobs
 }
 
-#trap "kill_child_jobs" INT TERM QUIT
-#trap date INT TERM QUIT
-
 # From https://unix.stackexchange.com/a/240736
-for sig in INT QUIT HUP TERM ALRM USR1; do
+for sig in INT QUIT HUP TERM; do
   trap "
     cleanup
     trap - $sig EXIT

dash.sh

@@ -0,0 +1,19 @@
+#!/bin/sh
+set -e
+
+# From https://stackoverflow.com/a/360275
+kill_child_jobs() {
+    echo "In kill_child_jobs()..."
+    # Workaround for https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=482999
+    tmp="$(mktemp)"
+    jobs -p > "$tmp"
+    child_pids=$(cat "$tmp")
+    for child in $child_pids
+    do
+        echo Killing "$child"
+        # From https://stackoverflow.com/a/11231970
+        kill "$child" || true
+    done
+
+    rm "$tmp"
+}

zsh.sh

@@ -8,21 +8,3 @@ kill_child_jobs() {
     # From https://unix.stackexchange.com/a/544167
     while kill %% >/dev/null; do :; done
 }
-cleanup() {
-    kill_child_jobs
-}
-
-# From https://unix.stackexchange.com/a/240736
-for sig in INT QUIT HUP TERM ALRM USR1; do
-  trap "
-    cleanup
-    trap - $sig EXIT
-    kill -s $sig "'"$$"' "$sig"
-done
-trap cleanup EXIT
-
-yes aa &
-yes b &
-sleep 100 &
-
-wait