all-full-example.sh

@@ -1,54 +0,0 @@
-#!/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 $child_pids
-    do
-        # From https://unix.stackexchange.com/a/574169
-        if [ -n "${child##*[!0-9]*}" ]
-        then
-            echo Killing "$child"
-            # From https://stackoverflow.com/a/11231970
-            kill "$child" || true
-        fi
-    done
-
-    # zsh version from https://stackoverflow.com/a/36354483
-    # zsh doesn't have jobs -p
-    jobs > "$tmp"
-    cat "$tmp"
-    <"$tmp" sed --regexp-extended --quiet 's/\[([[:digit:]]+)\].*running.*/%\1/gp' | while read -r child
-    do
-        echo Killing job "$child"
-        kill "$child" || true
-    done
-
-    rm "$tmp"
-}
-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
-  trap "
-    cleanup
-    trap - $sig EXIT
-    kill -s $sig "'"$$"' "$sig"
-done
-trap cleanup EXIT
-
-yes aa &
-yes b &
-sleep 100 &
-
-wait

all.sh

@@ -1,33 +0,0 @@
-#!/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 $child_pids
-    do
-        # From https://unix.stackexchange.com/a/574169
-        if [ -n "${child##*[!0-9]*}" ]
-        then
-            echo Killing "$child"
-            # From https://stackoverflow.com/a/11231970
-            kill "$child" || true
-        fi
-    done
-
-    # zsh version from https://stackoverflow.com/a/36354483
-    # zsh doesn't have jobs -p
-    jobs > "$tmp"
-    cat "$tmp"
-    <"$tmp" sed --regexp-extended --quiet 's/\[([[:digit:]]+)\].*running.*/%\1/gp' | while read -r child
-    do
-        echo Killing job "$child"
-        kill "$child" || true
-    done
-
-    rm "$tmp"
-}

noop.sh

@@ -1,4 +0,0 @@
-kill_child_jobs() {
-    # Do nothing to show what test script does when jobs are not killed.
-    :
-}

pkill-P.sh

@@ -1,6 +0,0 @@
-kill_child_jobs() {
-    echo "In kill_child_jobs()..."
-    # From https://stackoverflow.com/a/23336595
-    # Kills all child proceses, not just jobs.
-    pkill -P $$
-}

test/make-and-kill-child-jobs.sh

@@ -1,16 +0,0 @@
-#!/bin/sh
-set -e
-DIR=$(dirname "$0")
-
-. "$1"
-
-# Set up child jobs
-
-"$DIR/wait_for_pid_exit.sh" job $$ &
-"$DIR/wait_for_pid_exit.sh" disowned $$ &
-builtin disown || echo "shell does not support disown"
-
-# Wait for jobs to actually start.
-sleep 0.01s
-
-kill_child_jobs

test/test-all.sh

@@ -1,44 +0,0 @@
-#!/bin/sh
-set -e
-
-DIR="$(dirname "$0")"
-SHELLS="bash sh ash dash zsh ksh"
-
-echo "Legend:"
-echo "    ∞=script does not halt (after 1 second timeout)"
-echo "    X=disown unsupported by shell"
-echo "    ☠=all children killed"
-echo "    🏃=all children still running"
-echo
-
-printf '\t'
-for shell in $SHELLS
-do
-    if ! command -v "$shell" >/dev/null
-    then
-        >&2 echo "Shell $shell not found."
-        exit 1
-    fi
-    printf '\t%s' "$shell"
-done
-printf '\n'
-
-for script in "$DIR"/../*.sh
-do
-    if [ -x "$script" ] && grep -qF 'kill_child_jobs()' "$script" && ! grep -qF 'wait' "$script"
-    then
-        name="$(basename "$script")"
-        printf '%s' "$name"
-        if [ ${#name} -lt 8 ]
-        then
-            printf '\t'
-        fi
-
-        for shell in $SHELLS
-        do
-            printf '\t'
-            "$DIR/test-kill-child-jobs.sh" "$script" "$shell" || true
-        done
-    fi
-    printf '\n'
-done

test/test-kill-child-jobs.sh

@@ -1,72 +0,0 @@
-#!/bin/sh
-set -e
-
-DIR="$(dirname "$0")"
-
-SCRIPT="$1"
-SHELL="$2"
-
-if [ ! -x "$SCRIPT" ]
-then
-    >&2 echo "First argument should be file with kill_child_jobs() function to test."
-    exit 1
-fi
-
-if ! command -v "$SHELL" >/dev/null
-then
-    >&2 echo "Second argument should be shell to test."
-    exit 1
-fi
-
-TMP="$(mktemp)"
-
-
-
-# timeout code from https://stackoverflow.com/a/10028986
-pidFile="$(mktemp)"
-(
-    "$SHELL" "$DIR/make-and-kill-child-jobs.sh" "$SCRIPT" >"$TMP" 2>&1 || true
-    rm "$pidFile"
-) &
-pid=$!
-echo $pid > "$pidFile"
-(
-    sleep 1
-    if [ -e "$pidFile" ]
-    then
-        pkill -P $pid
-        printf '∞'
-    fi
-) &
-killerPid=$!
-
-wait $pid
-kill $killerPid 2>/dev/null || true
-rm -f "$pidFile" || true
-
-# Make sure we've waited long enough for the "outlived" messages to be generated.
-sleep 0.1s
-
-if grep -q '^shell does not support disown$' "$TMP"
-then
-    printf "X"
-fi
-
-if ! grep -q '^disowned outlived parent.$' "$TMP"
-then
-    # disowned should have outlived parent
-    EXITCODE=2
-    printf "☠"
-elif grep -q '^job outlived parent.$' "$TMP"
-then
-    # job should not outlive parent
-    EXITCODE=3
-    printf "🏃"
-else
-    # all good
-    EXITCODE=0
-    printf '%s' "$SHELL"
-fi
-
-rm -f "$TMP"
-exit $EXITCODE

test/wait_for_pid_exit.sh

@@ -1,8 +0,0 @@
-#!/bin/sh
-
-echo "Starting child $1..."
-while kill -0 "$2" 2>/dev/null
-do
-    sleep 0.01s
-done
-echo "$1 outlived parent."

zsh.sh

@@ -1,28 +0,0 @@
-#!/bin/zsh
-set -e
-
-# From https://stackoverflow.com/a/360275
-kill_child_jobs() {
-    echo "In 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