// close_egtb() closes/frees tablebases if necessary
void close_egtb()
{
if (TbSize != 0)
{
tbcache_done();
tb_done();
paths = tbpaths_done(paths);
TbSize = 0;
}
}
bool GTB::load() {
if (path.size() == 0)return false;
memset(installedPieces, 0, sizeof(installedPieces));
if (!FileUtil::fileExists(path)) {
cout << "file not found " << path << endl;
return false;
}
tbstats_reset();
paths = tbpaths_done(paths);
paths = tbpaths_init();
_assert(paths);
paths = tbpaths_add(paths, path.c_str());
restart();
unsigned av = tb_availability();
if (0 != (av & 2)) {
setInstalledPieces(3);
cout << "3-pc TBs complete\n";
} else if (0 != (av & 1)) {
cout << "Some 3-pc TBs available\n";
} else {
cout << "No 3-pc TBs available\n";
}
if (0 != (av & 8)) {
setInstalledPieces(4);
cout << "4-pc TBs complete\n";
} else if (0 != (av & 4)) {
cout << "Some 4-pc TBs available\n";
} else {
cout << "No 4-pc TBs available\n";
}
if (0 != (av & 32)) {
setInstalledPieces(5);
cout << "5-pc TBs complete\n";
} else if (0 != (av & 16)) {
cout << "Some 5-pc TBs available\n";
} else {
cout << "No 5-pc TBs available\n";
}
cout << endl;
if (!getAvailable()) {
return false;
}
setCacheSize(cacheSize);
tb_init(verbosity, scheme, paths);
tbcache_init(cacheSize * 1024 * 1024, wdl_fraction);
tbstats_reset();
return true;
}
/*
* Unload all tablebases and destroy the thread used for probing
* during search.
*/
void unload_gtb(void)
{
if (!tb_is_initialized()) return;
tbcache_done();
tb_done();
tb_paths = tbpaths_done(tb_paths);
worker_quit = true;
worker_task_ready = true;
#ifdef WINDOWS_THREADS
while (worker_quit) Sleep(1);
CloseHandle(worker_mutex);
CloseHandle(worker_thread);
#else
while (worker_quit) usleep(100);
pthread_mutex_destroy(&worker_mutex);
#endif
}
Tablebase::~Tablebase() {
tbcache_done();
tb_done();
paths = tbpaths_done(paths);
}
void GaviotaTb::freeTB() {
tbcache_done();
tb_done();
paths = tbpaths_done(paths);
}
void gtb_clear()
{ tbcache_done();
tb_done();
tbpaths_done(gtb_paths);
}
GTB::~GTB() {
tbcache_done();
tb_done();
paths = tbpaths_done(paths);
}