12   const cp = fork(fixtures.path('child-process-stay-alive-forever.js'), {  constant
15   cp.on('exit', mustCall((code, killSignal) => {
19   cp.on('error', mustCall((err) => {
29   const cp = fork(fixtures.path('child-process-stay-alive-forever.js'), {  constant
32   cp.on('exit', mustCall((code, killSignal) => {
36   cp.on('error', mustCall((err) => {
47   const cp = fork(fixtures.path('child-process-stay-alive-forever.js'), {  constant
50   cp.on('exit', mustCall((code, killSignal) => {
54   cp.on('error', mustCall((err) => {
62   const cp = fork(fixtures.path('child-process-stay-alive-forever.js'), {  constant
65   cp.on('exit', mustCall((code, killSignal) => {
69   cp.on('error', mustCall((err) => {
79   const cp = fork(fixtures.path('child-process-stay-alive-forever.js'), {  constant
83   cp.on('exit', mustCall((code, killSignal) => {
87   cp.on('error', mustCall((err) => {
96   const cp = fork(fixtures.path('child-process-stay-alive-forever.js'), {  constant
99   cp.on('exit', mustCall(() => {
102   cp.on('error', mustNotCall());
104   setTimeout(() => cp.kill(), 1);