File: xhandler.cc

package info (click to toggle)
clxclient 3.9.0-5
  • links: PTS, VCS
  • area: main
  • in suites: bullseye, buster, sid
  • size: 304 kB
  • sloc: cpp: 3,707; makefile: 141
file content (70 lines) | stat: -rw-r--r-- 1,858 bytes parent folder | download | duplicates (3)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
// ---------------------------------------------------------------------------------
//
//  Copyright (C) 2003-2013 Fons Adriaensen <fons@linuxaudio.org>
//    
//  This program is free software; you can redistribute it and/or modify
//  it under the terms of the GNU Lesser 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 Lesser General Public License for more details.
//
//  You should have received a copy of the GNU Lesser General Public
//  License along with this program; if not, write to the Free Software
//  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//
// ---------------------------------------------------------------------------------


#include <sys/poll.h>
#include "clxclient.h"


X_handler::X_handler (X_display *disp, Edest *dest, int ipid) :
    H_thread (dest, ipid),
    _conn (ConnectionNumber (disp-> dpy ()))
{
    thr_start (SCHED_OTHER, 0, 0x00010000);
}


X_handler::~X_handler (void)
{
    sepuku ();
}


extern "C" int x_handler_error (Display *dpy, XErrorEvent *err)
{
    char s [256];

    XGetErrorText (dpy, err->error_code, s, 256);
    fprintf (stderr, "X_handler::error () %s\n", s);
    return 0;
}


void X_handler::thr_main (void)
{
    struct pollfd pfd [1];

    XSetErrorHandler (x_handler_error);

    get_event (); 
    while (1)
    {
	pfd [0].fd = _conn;
	pfd [0].events = POLLIN | POLLERR;
        if (poll (pfd, 1, -1) < 0)
	{
	    if (errno == EINTR) continue;
	    perror ("X_handler: poll()");
	}
	if (pfd [0].revents & POLLIN) reply ();
	else return;
	get_event (); 
    }
}