feat: create pid file to cache folder

Change-Id: I2a24f82b51709f700696f69e1d37a745df5ac05a

main.cpp

@@ -24,6 +24,9 @@
 #include "policykitlistener.h"
 
 #include <QDebug>
+#include <QDir>
+#include <QFile>
+#include <QStandardPaths>
 
 DWIDGET_USE_NAMESPACE
 
@@ -35,12 +38,12 @@ int main(int argc, char *argv[])
 {
     DApplication::loadDXcbPlugin();
     DApplication a(argc, argv);
+    a.setOrganizationName("deepin");
     a.setApplicationName(APP_NAME);
     a.setApplicationDisplayName(APP_DISPLAY_NAME);
     a.setApplicationVersion("0.1");
     a.setQuitOnLastWindowClosed(false);
 
-
     if (!a.setSingleInstance(APP_NAME, DApplication::UserScope)) {
         qWarning() << "polkit is running!";
         return 0;
@@ -54,6 +57,21 @@ int main(int argc, char *argv[])
         return -1;
     }
 
+    // create PID file to ~/.cache/deepin/dde-polkit-agent
+    const QString cachePath = QStandardPaths::standardLocations(QStandardPaths::CacheLocation).first();
+
+    QDir dir(cachePath);
+    if (!dir.exists()) {
+        dir.mkpath(cachePath);
+    }
+
+    QFile PID(cachePath + QDir::separator() + "pid");
+    if (PID.open(QIODevice::WriteOnly)) {
+        QTextStream out(&PID);
+        out << getpid();
+        PID.close();
+    }
+
     a.setTheme("light");
     a.loadTranslator();