X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fthread.cpp;h=51b250273e58f55ead15dab783883eef4737a0f7;hb=9a1d5f0f1d8a12a85b198688d4f1d636a146eb7a;hp=3b59a05df3e0711c7a2943c4d66ca254ca3e29f3;hpb=14c2c1395b2d3e4e766b1ace71a486432259da73;p=stockfish

diff --git a/src/thread.cpp b/src/thread.cpp
index 3b59a05d..51b25027 100644
--- a/src/thread.cpp
+++ b/src/thread.cpp
@@ -1,7 +1,7 @@
 /*
   Stockfish, a UCI chess playing engine derived from Glaurung 2.1
   Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
-  Copyright (C) 2008-2012 Marco Costalba, Joona Kiiski, Tord Romstad
+  Copyright (C) 2008-2013 Marco Costalba, Joona Kiiski, Tord Romstad
 
   Stockfish is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -43,11 +43,12 @@ namespace { extern "C" {
 // Thread c'tor starts a newly-created thread of execution that will call
 // the the virtual function idle_loop(), going immediately to sleep.
 
-Thread::Thread() : splitPoints() {
+Thread::Thread() /* : splitPoints() */ { // Value-initialization bug in MSVC
 
   searching = exit = false;
   maxPly = splitPointsSize = 0;
   activeSplitPoint = NULL;
+  activePosition = NULL;
   idx = Threads.size();
 
   if (!thread_create(handle, start_routine, this))
@@ -288,6 +289,7 @@ void Thread::split(Position& pos, Stack* ss, Value alpha, Value beta, Value* bes
 
   splitPointsSize++;
   activeSplitPoint = &sp;
+  activePosition = NULL;
 
   size_t slavesCnt = 1; // This thread is always included
   Thread* slave;
@@ -315,6 +317,7 @@ void Thread::split(Position& pos, Stack* ss, Value alpha, Value beta, Value* bes
       // In helpful master concept a master can help only a sub-tree of its split
       // point, and because here is all finished is not possible master is booked.
       assert(!searching);
+      assert(!activePosition);
   }
 
   // We have returned from the idle loop, which means that all threads are
@@ -326,6 +329,7 @@ void Thread::split(Position& pos, Stack* ss, Value alpha, Value beta, Value* bes
   searching = true;
   splitPointsSize--;
   activeSplitPoint = sp.parentSplitPoint;
+  activePosition = &pos;
   pos.set_nodes_searched(pos.nodes_searched() + sp.nodes);
   *bestMove = sp.bestMove;
   *bestValue = sp.bestValue;