/*
* Normal exiting
*/
void clean_up_exit (int ret) {
static int depth = 0;
exit_flag = 1;
if (depth++ > 2) {
exit(ret);
}
if (icon_mode) {
clean_icon_mode();
}
/* remove the shm areas: */
clean_shm(0);
stop_stunnel();
if (use_openssl) {
ssl_helper_pid(0, 0); /* killall */
}
if (! dpy) exit(ret); /* raw_rb hack */
/* X keyboard cleanups */
delete_added_keycodes(0);
if (clear_mods == 1) {
clear_modifiers(0);
} else if (clear_mods == 2) {
clear_keys();
}
if (no_autorepeat) {
autorepeat(1, 0);
}
if (use_solid_bg) {
solid_bg(1);
}
X_LOCK;
XTestDiscard_wr(dpy);
#if LIBVNCSERVER_HAVE_LIBXDAMAGE
if (xdamage) {
XDamageDestroy(dpy, xdamage);
}
#endif
#if LIBVNCSERVER_HAVE_LIBXTRAP
if (trap_ctx) {
XEFreeTC(trap_ctx);
}
#endif
/* XXX rdpy_ctrl, etc. cannot close w/o blocking */
XCloseDisplay_wr(dpy);
X_UNLOCK;
fflush(stderr);
exit(ret);
}
/*
* General problem handler
*/
static void interrupted (int sig) {
exit_sig = sig;
if (exit_flag) {
fprintf(stderr, "extra[%d] signal: %d\n", exit_flag, sig);
exit_flag++;
if (use_threads) {
usleep2(250 * 1000);
} else if (exit_flag <= 2) {
return;
}
if (rm_flagfile) {
unlink(rm_flagfile);
rm_flagfile = NULL;
}
exit(4);
}
exit_flag++;
if (sig == 0) {
fprintf(stderr, "caught X11 error:\n");
if (crash_debug) { crash_shell(); }
} else if (sig == -1) {
fprintf(stderr, "caught XIO error:\n");
} else {
fprintf(stderr, "caught signal: %d\n", sig);
}
if (sig == SIGINT) {
shut_down = 1;
return;
}
if (crash_debug) {
crash_shell();
}
X_UNLOCK;
if (icon_mode) {
clean_icon_mode();
}
/* remove the shm areas with quick=1: */
clean_shm(1);
if (sig == -1) {
/* not worth trying any more cleanup, X server probably gone */
if (rm_flagfile) {
unlink(rm_flagfile);
rm_flagfile = NULL;
}
exit(3);
}
/* X keyboard cleanups */
delete_added_keycodes(0);
if (clear_mods == 1) {
clear_modifiers(0);
} else if (clear_mods == 2) {
clear_keys();
} else if (clear_mods == 3) {
clear_keys();
clear_locks();
}
if (no_autorepeat) {
autorepeat(1, 0);
}
if (use_solid_bg) {
solid_bg(1);
}
if (ncache || ncache0) {
kde_no_animate(1);
}
stop_stunnel();
if (crash_debug) {
crash_shell();
}
if (sig) {
if (rm_flagfile) {
unlink(rm_flagfile);
rm_flagfile = NULL;
}
exit(2);
}
}
static int XIOerr(Display *d) {
static int reopen = 0, rmax = 1;
X_UNLOCK;
if (getenv("X11VNC_REOPEN_DISPLAY")) {
rmax = atoi(getenv("X11VNC_REOPEN_DISPLAY"));
}
#if !NO_X11
if (reopen < rmax && getenv("X11VNC_REOPEN_DISPLAY")) {
int db = getenv("X11VNC_REOPEN_DEBUG") ? 1 : 0;
int sleepmax = 10, i;
Display *save_dpy = dpy;
char *dstr = strdup(DisplayString(save_dpy));
reopen++;
if (getenv("X11VNC_REOPEN_SLEEP_MAX")) {
sleepmax = atoi(getenv("X11VNC_REOPEN_SLEEP_MAX"));
}
rfbLog("*** XIO error: Trying to reopen[%d/%d] display '%s'\n", reopen, rmax, dstr);
rfbLog("*** XIO error: Note the reopened state may be unstable.\n");
for (i=0; i < sleepmax; i++) {
usleep (1000 * 1000);
dpy = XOpenDisplay_wr(dstr);
rfbLog("dpy[%d/%d]: %p\n", i+1, sleepmax, dpy);
if (dpy) {
break;
}
}
last_open_xdisplay = time(NULL);
if (dpy) {
rfbLog("*** XIO error: Reopened display '%s' successfully.\n", dstr);
if (db) rfbLog("*** XIO error: '%s' 0x%x\n", dstr, dpy);
scr = DefaultScreen(dpy);
rootwin = RootWindow(dpy, scr);
if (db) rfbLog("*** XIO error: disable_grabserver\n");
disable_grabserver(dpy, 0);
if (db) rfbLog("*** XIO error: xrecord\n");
zerodisp_xrecord();
initialize_xrecord();
if (db) rfbLog("*** XIO error: xdamage\n");
create_xdamage_if_needed(1);
if (db) rfbLog("*** XIO error: do_new_fb\n");
if (using_shm) {
if (db) rfbLog("*** XIO error: clean_shm\n");
clean_shm(1);
}
do_new_fb(1);
if (db) rfbLog("*** XIO error: check_xevents\n");
check_xevents(1);
/* sadly, we can never return... */
if (db) rfbLog("*** XIO error: watch_loop\n");
watch_loop();
clean_up_exit(1);
}
}
#endif
interrupted(-1);
if (d) {} /* unused vars warning: */
return (*XIOerr_def)(d);
}
/*
* Normal exiting
*/
void clean_up_exit(int ret) {
static int depth = 0;
exit_flag = 1;
if (depth++ > 2) {
exit(ret);
}
if (icon_mode) {
clean_icon_mode();
}
/* remove the shm areas: */
clean_shm(0);
stop_stunnel();
if (use_openssl) {
ssl_helper_pid(0, 0); /* killall */
}
if (ssh_pid > 0) {
kill(ssh_pid, SIGTERM);
ssh_pid = 0;
}
#ifdef MACOSX
if (client_connect_file) {
if (strstr(client_connect_file, "/tmp/x11vnc-macosx-remote")
== client_connect_file) {
unlink(client_connect_file);
}
}
if (macosx_console) {
macosxCG_fini();
}
#endif
if (pipeinput_fh != NULL) {
pclose(pipeinput_fh);
pipeinput_fh = NULL;
}
shutdown_uinput();
if (unix_sock) {
if (unix_sock_fd >= 0) {
rfbLog("deleting unix sock: %s\n", unix_sock);
close(unix_sock_fd);
unix_sock_fd = -1;
unlink(unix_sock);
}
}
if (! dpy) { /* raw_rb hack */
if (rm_flagfile) {
unlink(rm_flagfile);
rm_flagfile = NULL;
}
exit(ret);
}
/* X keyboard cleanups */
delete_added_keycodes(0);
if (clear_mods == 1) {
clear_modifiers(0);
} else if (clear_mods == 2) {
clear_keys();
} else if (clear_mods == 3) {
clear_keys();
clear_locks();
}
if (no_autorepeat) {
autorepeat(1, 0);
}
if (use_solid_bg) {
solid_bg(1);
}
if (ncache || ncache0) {
kde_no_animate(1);
}
X_LOCK;
XTestDiscard_wr(dpy);
#if LIBVNCSERVER_HAVE_LIBXDAMAGE
if (xdamage) {
XDamageDestroy(dpy, xdamage);
}
#endif
#if LIBVNCSERVER_HAVE_LIBXTRAP
if (trap_ctx) {
XEFreeTC(trap_ctx);
}
#endif
/* XXX rdpy_ctrl, etc. cannot close w/o blocking */
XCloseDisplay_wr(dpy);
X_UNLOCK;
fflush(stderr);
if (rm_flagfile) {
unlink(rm_flagfile);
rm_flagfile = NULL;
}
if (avahi) {
avahi_cleanup();
fflush(stderr);
}
exit(ret);
}