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handle case where process.send fails

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This commit is contained in:
Benjamin Pasero 2015-11-26 16:06:08 +01:00
parent 62727a35d9
commit cc17718c73
1 changed files with 11 additions and 3 deletions
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14
src/bootstrap.js vendored
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@ -63,16 +63,24 @@ if (!!process.send && process.env.PIPE_LOGGING === 'true') {
return res;
}
function safeSend(arg) {
try {
process.send(arg);
} catch (error) {
// Can happen if the parent channel is closed meanwhile
}
}
// Pass console logging to the outside so that we have it in the main side if told so
if (process.env.VERBOSE_LOGGING === 'true') {
console.log = function () { process.send({ type: '__$console', severity: 'log', arguments: safeStringify(arguments) }); };
console.warn = function () { process.send({ type: '__$console', severity: 'warn', arguments: safeStringify(arguments) }); };
console.log = function () { safeSend({ type: '__$console', severity: 'log', arguments: safeStringify(arguments) }); };
console.warn = function () { safeSend({ type: '__$console', severity: 'warn', arguments: safeStringify(arguments) }); };
} else {
console.log = function () { /* ignore */ };
console.warn = function () { /* ignore */ };
}
console.error = function () { process.send({ type: '__$console', severity: 'error', arguments: safeStringify(arguments) }); };
console.error = function () { safeSend({ type: '__$console', severity: 'error', arguments: safeStringify(arguments) }); };
// Let stdout, stderr and stdin be no-op streams. This prevents an issue where we would get an EBADF
// error when we are inside a forked process and this process tries to access those channels.