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/*
* xserver - X server startup functions
*
* Copyright 2011 Enrico Zini <[email protected]>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef NODM_SERVER_H
#define NODM_SERVER_H
#include <sys/types.h>
#include <X11/Xlib.h>
/// Supervise an X server
struct nodm_xserver
{
/// Timeout (in seconds) to use waiting for X to start
int conf_timeout;
/// X server command line
const char **argv;
/// X display name
const char *name;
/// X window path (dynamically allocated and owned by this structure)
char *windowpath;
/// X server pid
pid_t pid;
/// xlib Display connected to the server
Display *dpy;
/// Original signal mask at program startup
sigset_t orig_signal_mask;
};
/**
* Initialise a struct nodm_xserver with NULL values
*/
void nodm_xserver_init(struct nodm_xserver* srv);
/**
* Start the X server and wait until it is ready to accept connections.
*
* @param srv
* The struct nodm_xserver with X server information. argv and name are expected to
* be filled, pid is filled.
* @return
* Exit status as described by the E_* constants
*/
int nodm_xserver_start(struct nodm_xserver* srv);
/// Stop the X server
int nodm_xserver_stop(struct nodm_xserver* srv);
/// Dump all internal status to stderr
void nodm_xserver_dump_status(struct nodm_xserver* srv);
/**
* Connect to the X server
*
* Uses srv->name, sets srv->dpy.
*
* @return
* Exit status as described by the E_* constants
*/
int nodm_xserver_connect(struct nodm_xserver* srv);
/**
* Close connection to the X server
*
* Uses srv->dpy, sets it to NULL.
*
* @return
* Exit status as described by the E_* constants
*/
int nodm_xserver_disconnect(struct nodm_xserver* srv);
/**
* Get the WINDOWPATH value for the server
*
* Uses srv->dpy, sets srv->windowpath
*
* @return
* Exit status as described by the E_* constants
*/
int nodm_xserver_read_window_path(struct nodm_xserver* srv);
/// Report that the X session has quit
void nodm_xserver_report_exit(struct nodm_xserver* s, int status);
#endif
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