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test: fix exec-after-fork race in test/simple/test-child-process-kill.js

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This commit is contained in:
Ben Noordhuis
2011-08-03 16:05:49 +02:00
parent 09bb1d64dc
commit 12c8b27e24
1 changed files with 15 additions and 3 deletions
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18
test/simple/test-child-process-kill.js
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@@ -29,11 +29,25 @@ var termSignal;
var gotStdoutEOF = false;
var gotStderrEOF = false;
var ping = "42\n";
var cat = spawn('cat');
//
// This test sends a signal to a child process.
//
// There is a potential race here where the signal is delivered
// after the fork() but before execve(). IOW, the signal is sent
// before the child process has truly been started.
//
// So we wait for a sign of life from the child (the ping response)
// before sending the signal.
//
cat.stdin.write(ping);
cat.stdout.addListener('data', function(chunk) {
assert.ok(false);
assert.equal(chunk.toString(), ping);
cat.kill();
});
cat.stdout.addListener('end', function() {
@@ -53,8 +67,6 @@ cat.addListener('exit', function(code, signal) {
termSignal = signal;
});
cat.kill();
process.addListener('exit', function() {
assert.strictEqual(exitCode, null);
assert.strictEqual(termSignal, 'SIGTERM');