static gboolean signal_handler(GIOChannel *channel, GIOCondition cond,
gpointer user_data)
{
struct signalfd_siginfo si;
ssize_t result;
int fd;
if (cond & (G_IO_NVAL | G_IO_ERR | G_IO_HUP))
return FALSE;
fd = g_io_channel_unix_get_fd(channel);
result = read(fd, &si, sizeof(si));
if (result != sizeof(si))
return FALSE;
switch (si.ssi_signo) {
case SIGINT:
case SIGTERM:
do_terminate();
break;
}
return TRUE;
}
void process_indicators(tokens fields) {
interp_list *current;
interp_list *previous;
/* Loop through each node in the list of interpretations */
current = interp_header->next_interp;
previous = interp_header;
while (current != NULL) {
/* Perform the action corresponding to the indicator */
switch(current->indicator) {
case '^':
current = do_split(current);
break;
case '-':
current = do_terminate(current,previous);
break;
case 'x':
current = do_exchange(current);
break;
case 'v':
current = do_join(current);
break;
case '+':
current = do_add(current);
break;
}
previous = current;
current = current->next_interp;
}
}
