void dump_state()
{
disable_progress_bar();
printf("Queue and cache status dump\n");
printf("===========================\n");
printf("file buffer read queue (main thread -> reader thread)\n");
dump_queue(to_reader);
printf("file buffer decompress queue (reader thread -> inflate"
" thread(s))\n");
dump_queue(to_inflate);
printf("file buffer write queue (main thread -> writer thread)\n");
dump_queue(to_writer);
printf("\nbuffer cache (uncompressed blocks and compressed blocks "
"'in flight')\n");
dump_cache(data_cache);
printf("fragment buffer cache (uncompressed frags and compressed"
" frags 'in flight')\n");
dump_cache(fragment_cache);
enable_progress_bar();
}
void *restore_thrd(void *arg)
{
sigset_t sigmask, old_mask;
int sig;
sigemptyset(&sigmask);
sigaddset(&sigmask, SIGINT);
sigaddset(&sigmask, SIGTERM);
sigaddset(&sigmask, SIGUSR1);
pthread_sigmask(SIG_BLOCK, &sigmask, &old_mask);
while(1) {
sigwait(&sigmask, &sig);
if(sig == SIGINT || sig == SIGTERM) {
interrupted ++;
if(interrupted == 1) {
ERROR("Interrupting will restore original "
"filesystem!\n");
ERROR("Interrupt again to quit\n");
}
}
if(interrupted == 2 || sig == SIGUSR1) {
disable_progress_bar();
disable_info();
pthread_cancel(main_thread);
pthread_join(main_thread, NULL);
restorefs();
}
}
}