static RETSIGTYPE actOnSignal(int signo)
{
char *signame, buf[32];
installSignal();
switch (signo) {
#ifdef SIGHUP
case SIGHUP:
rereadConfig(gapp);
break;
#endif
#ifdef SIGINT
case SIGINT:
#endif
#ifdef SIGQUIT
case SIGQUIT:
#endif
#ifdef SIGTERM
case SIGTERM:
#endif
bailout(gapp);
break;
#ifdef SIGILL
case SIGILL:
signame = "SIGILL";
#endif
#ifdef SIGFPE
case SIGFPE:
signame = "SIGFPE";
#endif
#ifdef SIGBUS
case SIGBUS:
signame = "SIGBUS";
#endif
#ifdef SIGSEGV
case SIGSEGV:
signame = "SIGSEGV";
#endif
#ifdef SIGSYS
case SIGSYS:
signame = "SIGSYS";
#endif
sprintf(buf, "Got fatal signal %s!", signame);
emergency_exit(gapp, TRUE, buf);
break;
default:
/* ignore the rest */
break;
}
}
/*
* Interrupt handler for X IO errors
*/
static int HandleXIOError(Display *d)
{
char msg[BUFSIZE];
if (errno == EPIPE) {
sprintf(msg, "X connection to %s broken (server error - EPIPE).",
DisplayString(d));
} else {
sprintf(msg, "Fatal IO error on X server %s.", DisplayString(d));
}
emergency_exit(gapp, FALSE, msg);
/* Ideally, we don't reach this anyway ... */
return 1;
}
static int HandleXError(Display *dpy, XErrorEvent *event)
{
char buffer[BUFSIZE], mesg[BUFSIZE], *output;
char *mtype = "XlibMessage";
XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", buffer, BUFSIZE);
output = copy_string(NULL, buffer);
output = concat_strings(output, ":");
XGetErrorText(dpy, event->error_code, buffer, BUFSIZE);
output = concat_strings(output, buffer);
output = concat_strings(output, "\n");
XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg,
BUFSIZE);
sprintf(buffer, mesg, event->request_code);
output = concat_strings(output, buffer);
if (event->request_code < 128) {
char number[32];
sprintf(number, "%d", event->request_code);
XGetErrorDatabaseText(dpy, "XRequest", number, "", mesg, BUFSIZE);
sprintf(buffer, " (%s)\n", mesg);
output = concat_strings(output, buffer);
}
switch (event->error_code) {
case (BadWindow):
case (BadPixmap):
case (BadCursor):
case (BadFont):
case (BadDrawable):
case (BadColor):
case (BadGC):
case (BadIDChoice):
case (BadValue):
case (BadAtom):
if (event->error_code == BadValue) {
XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x", mesg,
BUFSIZE);
} else if (event->error_code == BadAtom) {
XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x", mesg,
BUFSIZE);
} else {
XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
mesg, BUFSIZE);
}
output = concat_strings(output, " ");
sprintf(buffer, mesg, event->resourceid);
output = concat_strings(output, buffer);
output = concat_strings(output, "\n");
break;
} /* switch() */
XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d", mesg,
BUFSIZE);
sprintf(buffer, mesg, event->serial);
output = concat_strings(output, " ");
output = concat_strings(output, buffer);
output = concat_strings(output, ".");
emergency_exit(gapp, TRUE, output);
xfree(output);
/* return value is ignored anyway */
return 0;
}