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Code Issues Releases Activity

Handle writeStream errors in sys.pump

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This commit is contained in:
Ryan Dahl 2010-09-16 14:40:41 -07:00
parent 3e0a8f3ad8
commit f08985c193
1 changed files with 17 additions and 3 deletions
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20
lib/sys.js
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@ -328,6 +328,15 @@ exports.exec = function () {
exports.pump = function (readStream, writeStream, callback) {
var callbackCalled = false;
function call (a, b, c) {
if (callback && !callbackCalled) {
callback(a, b, c);
callbackCalled = true;
}
}
if (!readStream.pause) readStream.pause = function () {readStream.emit("pause")};
if (!readStream.resume) readStream.resume = function () {readStream.emit("resume")};
@ -352,12 +361,17 @@ exports.pump = function (readStream, writeStream, callback) {
});
readStream.addListener("close", function () {
if (callback) callback();
call();
});
readStream.addListener("error", function(err) {
readStream.addListener("error", function (err) {
writeStream.end();
if (callback) callback(err);
call(err);
});
writeStream.addListener("error", function (err) {
readStream.destroy();
call(err);
});
};