X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fthread.cpp;h=18870021ba3665bd026364a24594ca4bf57c26d8;hp=b8571dcd20283c9b9b7ef502559e7ca91ff05db5;hb=950c8436edc50857b83eb3e0cbaca06407764655;hpb=4eb2d8ce095b284a1e55762548d9821a83a19b3b

diff --git a/src/thread.cpp b/src/thread.cpp
index b8571dcd..18870021 100644
--- a/src/thread.cpp
+++ b/src/thread.cpp
@@ -89,7 +89,8 @@ void ThreadBase::wait_for(volatile const bool& condition) {
 Thread::Thread() /* : splitPoints() */ { // Initialization of non POD broken in MSVC
 
   searching = false;
-  maxPly = splitPointsSize = 0;
+  maxPly = 0;
+  splitPointsSize = 0;
   activeSplitPoint = NULL;
   activePosition = NULL;
   idx = Threads.size(); // Starts from 0
@@ -123,7 +124,7 @@ bool Thread::available_to(const Thread* master) const {
 
   // Make a local copy to be sure it doesn't become zero under our feet while
   // testing next condition and so leading to an out of bounds access.
-  const int size = splitPointsSize;
+  const size_t size = splitPointsSize;
 
   // No split points means that the thread is available as a slave for any
   // other thread otherwise apply the "helpful master" concept if possible.
@@ -182,7 +183,8 @@ void Thread::split(Position& pos, Stack* ss, Value alpha, Value beta, Value* bes
 
   Thread* slave;
 
-  while ((slave = Threads.available_slave(this)) != NULL)
+  while (    sp.slavesMask.count() < MAX_SLAVES_PER_SPLITPOINT
+         && (slave = Threads.available_slave(this)) != NULL)
   {
       sp.slavesMask.set(slave->idx);
       slave->activeSplitPoint = &sp;