kde-workspace/ksmserver/kcheckrunning.cpp
Ivailo Monev 072fabffb9 ksmserver: plug kcheckrunning leaks
Signed-off-by: Ivailo Monev <xakepa10@gmail.com>
2022-05-26 09:02:01 +03:00

57 lines
1.9 KiB
C++

/* This file is part of the KDE project
Copyright (C) 2005 Lubos Lunak <l.lunak@kde.org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include <X11/Xlib.h>
/*
Return 0 when KDE is running, 1 when KDE is not running but it is possible
to connect to X, 2 when it's not possible to connect to X.
*/
int main()
{
Display* dpy = XOpenDisplay(NULL);
if (dpy == NULL) {
return 2;
}
Atom atom = XInternAtom(dpy, "_KDE_RUNNING", False);
if (XGetSelectionOwner(dpy, atom) != None) {
XCloseDisplay(dpy);
return 0;
}
// if ksmserver is not started yet check for the X11 atom that startkde sets
Atom type = None;
int format = 0;
unsigned long nitems = 0;
unsigned long after = 0;
unsigned char* data = NULL;
const int kde_full_session_status = XGetWindowProperty(
dpy, RootWindow(dpy, 0),
XInternAtom(dpy, "KDE_FULL_SESSION", False),
0, 0, False, AnyPropertyType, &type, &format, &nitems, &after, &data
);
const bool kde_running = (kde_full_session_status == Success && data);
if (data) {
XFree(data);
}
XCloseDisplay(dpy);
if (kde_running) {
return 0;
}
return 1;
}