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Wrap syscalls with try-catch

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This commit is contained in:
Ryan Dahl 2010-02-05 19:47:16 -08:00
parent 263813ae3e
commit d979a7993e
1 changed files with 41 additions and 22 deletions
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63
lib/net.js
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@ -92,20 +92,25 @@ function Socket (peerInfo) {
debug('recvBuffer.used ' + recvBuffer.used);
var bytesRead;
if (self.type == "unix") {
bytesRead = recvMsg(self.fd,
recvBuffer,
recvBuffer.used,
recvBuffer.length - recvBuffer.used);
debug('recvMsg.fd ' + recvMsg.fd);
if (recvMsg.fd) {
self.emit('fd', recvMsg.fd);
try {
if (self.type == "unix") {
bytesRead = recvMsg(self.fd,
recvBuffer,
recvBuffer.used,
recvBuffer.length - recvBuffer.used);
debug('recvMsg.fd ' + recvMsg.fd);
if (recvMsg.fd) {
self.emit('fd', recvMsg.fd);
}
} else {
bytesRead = read(self.fd,
recvBuffer,
recvBuffer.used,
recvBuffer.length - recvBuffer.used);
}
} else {
bytesRead = read(self.fd,
recvBuffer,
recvBuffer.used,
recvBuffer.length - recvBuffer.used);
} catch (e) {
self.forceClose(e);
return;
}
debug('bytesRead ' + bytesRead + '\n');
@ -320,15 +325,22 @@ Socket.prototype.flush = function () {
}
var fdToSend = null;
if (b.isFd) {
fdToSend = parseInt(b.asciiSlice(b.sent, b.used - b.sent));
bytesWritten = sendFD(self.fd, fdToSend);
} else {
bytesWritten = write(self.fd,
b,
b.sent,
b.used - b.sent);
try {
if (b.isFd) {
fdToSend = parseInt(b.asciiSlice(b.sent, b.used - b.sent));
bytesWritten = sendFD(self.fd, fdToSend);
} else {
bytesWritten = write(self.fd,
b,
b.sent,
b.used - b.sent);
}
} catch (e) {
self.forceClose(e);
return;
}
if (bytesWritten === null) {
// could not flush everything
self._writeWatcher.start();
@ -451,7 +463,14 @@ Socket.prototype.forceClose = function (exception) {
Socket.prototype._shutdown = function () {
if (this.writable) {
this.writable = false;
shutdown(this.fd, 'write');
try {
shutdown(this.fd, 'write')
} catch (e) {
this.forceClose(e);
return;
}
if (!this.readable) this.forceClose();
}
};