X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fthread.cpp;h=271890c6f008b85eedee8d2302f0ebe4f2353e57;hp=ce2f41f2ffeae29008890a7917fdc3302807d827;hb=ed0fb0b05fa72ccc6333bf5331eb9abeb7c86457;hpb=cbd7ce468c97ac74efcd497e5196f011b5a646c9

diff --git a/src/thread.cpp b/src/thread.cpp
index ce2f41f2..271890c6 100644
--- a/src/thread.cpp
+++ b/src/thread.cpp
@@ -42,7 +42,7 @@ namespace { extern "C" {
 // Thread c'tor starts a newly-created thread of execution that will call
 // the idle loop function pointed by start_fn going immediately to sleep.
 
-Thread::Thread(Fn fn) {
+Thread::Thread(Fn fn) : splitPoints() {
 
   is_searching = do_exit = false;
   maxPly = splitPointsCnt = 0;
@@ -196,14 +196,14 @@ void ThreadPool::init() {
 }
 
 
-// d'tor cleanly terminates the threads when the program exits.
+// exit() cleanly terminates the threads before the program exits.
 
-ThreadPool::~ThreadPool() {
+void ThreadPool::exit() {
+
+  delete timer; // As first becuase check_time() accesses threads data
 
   for (size_t i = 0; i < threads.size(); i++)
       delete threads[i];
-
-  delete timer;
 }
 
 
@@ -327,8 +327,8 @@ Value ThreadPool::split(Position& pos, Stack* ss, Value alpha, Value beta,
   // Try to allocate available threads and ask them to start searching setting
   // is_searching flag. This must be done under lock protection to avoid concurrent
   // allocation of the same slave by another master.
-  sp.mutex.lock();
   mutex.lock();
+  sp.mutex.lock();
 
   for (size_t i = 0; i < threads.size() && !Fake; ++i)
       if (threads[i]->is_available_to(master))
@@ -346,8 +346,8 @@ Value ThreadPool::split(Position& pos, Stack* ss, Value alpha, Value beta,
 
   master->splitPointsCnt++;
 
-  mutex.unlock();
   sp.mutex.unlock();
+  mutex.unlock();
 
   // Everything is set up. The master thread enters the idle loop, from which
   // it will instantly launch a search, because its is_searching flag is set.
@@ -365,8 +365,8 @@ Value ThreadPool::split(Position& pos, Stack* ss, Value alpha, Value beta,
   // We have returned from the idle loop, which means that all threads are
   // finished. Note that setting is_searching and decreasing splitPointsCnt is
   // done under lock protection to avoid a race with Thread::is_available_to().
-  sp.mutex.lock(); // To protect sp.nodes
   mutex.lock();
+  sp.mutex.lock();
 
   master->is_searching = true;
   master->splitPointsCnt--;
@@ -374,8 +374,8 @@ Value ThreadPool::split(Position& pos, Stack* ss, Value alpha, Value beta,
   pos.set_nodes_searched(pos.nodes_searched() + sp.nodes);
   *bestMove = sp.bestMove;
 
-  mutex.unlock();
   sp.mutex.unlock();
+  mutex.unlock();
 
   return sp.bestValue;
 }
@@ -414,16 +414,17 @@ void ThreadPool::wait_for_search_finished() {
 // a new search, then returns immediately.
 
 void ThreadPool::start_searching(const Position& pos, const LimitsType& limits,
-                                 const std::vector<Move>& searchMoves) {
+                                 const std::vector<Move>& searchMoves, StateStackPtr& states) {
   wait_for_search_finished();
 
-  SearchTime.restart(); // As early as possible
+  SearchTime = Time::now(); // As early as possible
 
   Signals.stopOnPonderhit = Signals.firstRootMove = false;
   Signals.stop = Signals.failedLowAtRoot = false;
 
   RootPosition = pos;
   Limits = limits;
+  SetupStates = states; // Ownership transfer here
   RootMoves.clear();
 
   for (MoveList<LEGAL> ml(pos); !ml.end(); ++ml)