1 // -*- mode: C++; indent-tabs-mode: nil; -*-
2 // main.cc for Epistory - a key handler for NETWM/EWMH window managers.
3 // Copyright (c) 2002 - 2002 Ben Jansens <ben at orodu.net>
5 // Permission is hereby granted, free of charge, to any person obtaining a
6 // copy of this software and associated documentation files (the "Software"),
7 // to deal in the Software without restriction, including without limitation
8 // the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 // and/or sell copies of the Software, and to permit persons to whom the
10 // Software is furnished to do so, subject to the following conditions:
12 // The above copyright notice and this permission notice shall be included in
13 // all copies or substantial portions of the Software.
15 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21 // DEALINGS IN THE SOFTWARE.
24 # include "../../config.h"
25 #endif // HAVE_CONFIG_H
31 # include <sys/types.h>
33 #endif // HAVE_UNISTD_H
37 #endif // HAVE_SIGNAL_H
39 #ifdef HAVE_SYS_SIGNAL_H
40 # include <sys/signal.h>
41 #endif // HAVE_SYS_SIGNAL_H
45 #endif // HAVE_LIBGEN_H
53 bool _shutdown = false;
55 char *_display_name = 0;
56 Display *_display = 0;
59 static void signalhandler(int sig)
60 #else // HAVE_SIGACTION
61 static RETSIGTYPE signalhandler(int sig)
62 #endif // HAVE_SIGACTION
66 cout << "Segmentation fault. Aborting and dumping core.\n";
69 cout << "Restarting on request.\n";
70 execvp(_argv[0], _argv);
71 execvp(basename(_argv[0]), _argv);
75 #ifndef HAVE_SIGACTION
76 // assume broken, braindead sysv signal semantics
77 signal(sig, (RETSIGTYPE (*)(int)) signalhandler);
78 #endif // HAVE_SIGACTION
82 int main(int, char **argv) {
86 struct sigaction action;
88 action.sa_handler = signalhandler;
89 action.sa_mask = sigset_t();
90 action.sa_flags = SA_NOCLDSTOP | SA_NODEFER;
92 sigaction(SIGPIPE, &action, NULL);
93 sigaction(SIGSEGV, &action, NULL);
94 sigaction(SIGFPE, &action, NULL);
95 sigaction(SIGTERM, &action, NULL);
96 sigaction(SIGINT, &action, NULL);
97 sigaction(SIGHUP, &action, NULL);
98 #else // !HAVE_SIGACTION
99 signal(SIGPIPE, (RETSIGTYPE (*)(int)) signalhandler);
100 signal(SIGSEGV, (RETSIGTYPE (*)(int)) signalhandler);
101 signal(SIGFPE, (RETSIGTYPE (*)(int)) signalhandler);
102 signal(SIGTERM, (RETSIGTYPE (*)(int)) signalhandler);
103 signal(SIGINT, (RETSIGTYPE (*)(int)) signalhandler);
104 signal(SIGHUP, (RETSIGTYPE (*)(int)) signalhandler);
105 #endif // HAVE_SIGACTION
107 _display = XOpenDisplay(_display_name);
109 cout << "Connection to X server '" << _display_name << "' failed.\n";
113 while (! _shutdown) {
117 XCloseDisplay(_display);