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Use unmodified QtSingleApplication on Windows.

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Get running application instance PID without QtSingleApplication
modification.
This commit is contained in:
Vladimir Golovnev (Glassez)
2015-01-20 18:00:37 +03:00
parent e52a8fb0b0
commit 2dd473eb28
7 changed files with 47 additions and 89 deletions
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47
src/app/qtsingleapplication/qtlocalpeer.cpp
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@@ -195,56 +195,9 @@ void QtLocalPeer::receiveConnection()
return;
}
QString message(QString::fromUtf8(uMsg));
#ifdef Q_OS_WIN
if (message == "qbt://pid") {
qint64 pid = GetCurrentProcessId();
socket->write((const char *)&pid, sizeof pid);
} else {
socket->write(ack, qstrlen(ack));
}
#else
socket->write(ack, qstrlen(ack));
#endif
socket->waitForBytesWritten(1000);
socket->waitForDisconnected(1000); // make sure client reads ack
delete socket;
#ifdef Q_OS_WIN
if (message == "qbt://pid")
return;
#endif
emit messageReceived(message); //### (might take a long time to return)
}
#ifdef Q_OS_WIN
qint64 QtLocalPeer::getRunningPid() {
if (!isClient())
return 0;
QLocalSocket socket;
bool connOk = false;
for (int i = 0; i < 2; i++) {
// Try twice, in case the other instance is just starting up
socket.connectToServer(socketName);
connOk = socket.waitForConnected(5000/2);
if (connOk || i)
break;
Sleep(250);
}
if (!connOk) return -1;
const char* msg = "qbt://pid";
QDataStream ds(&socket);
ds.writeBytes(msg, qstrlen(msg));
bool res = socket.waitForBytesWritten(5000) && socket.waitForReadyRead(5000);
if (!res) return -1;
DWORD pid;
qint64 pid_size = sizeof pid;
while (socket.bytesAvailable() < pid_size)
socket.waitForReadyRead();
if (socket.read((char *)&pid, pid_size) < pid_size)
return -1;
return pid;
}
#endif