X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fthread.cpp;h=b599960528a00d2e67c0948d9a93146a04e14023;hp=d9fa9c512c53cc1a5919ebdf2926035876b793a3;hb=e1191b35e85cbf0d488d747ac26cdf13e1fa0f9a;hpb=831f91b859c43a5fa895ef0c955516ec8b7a8212

diff --git a/src/thread.cpp b/src/thread.cpp
index d9fa9c51..b5999605 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;
@@ -143,7 +143,7 @@ void Thread::wait_for_stop_or_ponderhit() {
   Signals.stopOnPonderhit = true;
 
   mutex.lock();
-  while (!Signals.stop) sleepCondition.wait(mutex);;
+  while (!Signals.stop) sleepCondition.wait(mutex);
   mutex.unlock();
 }
 
@@ -200,10 +200,10 @@ void ThreadPool::init() {
 
 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;
 }
 
 
@@ -284,8 +284,8 @@ bool ThreadPool::available_slave_exists(Thread* master) const {
 
 template <bool Fake>
 Value ThreadPool::split(Position& pos, Stack* ss, Value alpha, Value beta,
-                        Value bestValue, Move* bestMove, Depth depth,
-                        Move threatMove, int moveCount, MovePicker* mp, int nodeType) {
+                        Value bestValue, Move* bestMove, Depth depth, Move threatMove,
+                        int moveCount, MovePicker& mp, int nodeType) {
 
   assert(pos.pos_is_ok());
   assert(bestValue > -VALUE_INFINITE);
@@ -313,7 +313,7 @@ Value ThreadPool::split(Position& pos, Stack* ss, Value alpha, Value beta,
   sp.beta = beta;
   sp.nodeType = nodeType;
   sp.bestValue = bestValue;
-  sp.mp = mp;
+  sp.mp = &mp;
   sp.moveCount = moveCount;
   sp.pos = &pos;
   sp.nodes = 0;
@@ -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--;
@@ -374,15 +374,15 @@ 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;
 }
 
 // Explicit template instantiations
-template Value ThreadPool::split<false>(Position&, Stack*, Value, Value, Value, Move*, Depth, Move, int, MovePicker*, int);
-template Value ThreadPool::split<true>(Position&, Stack*, Value, Value, Value, Move*, Depth, Move, int, MovePicker*, int);
+template Value ThreadPool::split<false>(Position&, Stack*, Value, Value, Value, Move*, Depth, Move, int, MovePicker&, int);
+template Value ThreadPool::split<true>(Position&, Stack*, Value, Value, Value, Move*, Depth, Move, int, MovePicker&, int);
 
 
 // set_timer() is used to set the timer to trigger after msec milliseconds.
@@ -404,7 +404,6 @@ void ThreadPool::wait_for_search_finished() {
 
   Thread* t = main_thread();
   t->mutex.lock();
-  t->sleepCondition.notify_one(); // In case is waiting for stop or ponderhit
   while (!t->do_sleep) sleepCondition.wait(t->mutex);
   t->mutex.unlock();
 }
@@ -417,12 +416,12 @@ void ThreadPool::start_searching(const Position& pos, const LimitsType& limits,
                                  const std::vector<Move>& searchMoves, StateStackPtr& states) {
   wait_for_search_finished();
 
-  SearchTime = Time::current_time(); // As early as possible
+  SearchTime = Time::now(); // As early as possible
 
   Signals.stopOnPonderhit = Signals.firstRootMove = false;
   Signals.stop = Signals.failedLowAtRoot = false;
 
-  RootPosition = pos;
+  RootPos = pos;
   Limits = limits;
   SetupStates = states; // Ownership transfer here
   RootMoves.clear();