X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fthread.cpp;h=7d85db8618ca982059b96466d963e29d3b1b5ba7;hp=08ac30e11a17c4c8b333cdd73093b3db0cf3e649;hb=f39cf1b00801c1d2688fa2ba1375d211e205b13a;hpb=a16ba5bbd1034417f864476e4ba33d35970557db

diff --git a/src/thread.cpp b/src/thread.cpp
index 08ac30e1..7d85db86 100644
--- a/src/thread.cpp
+++ b/src/thread.cpp
@@ -164,7 +164,7 @@ bool Thread::cutoff_occurred() const {
 // which are busy searching the split point at the top of slaves split point
 // stack (the "helpful master concept" in YBWC terminology).
 
-bool Thread::is_available_to(Thread* master) const {
+bool Thread::is_available_to(const Thread* master) const {
 
   if (searching)
       return false;
@@ -238,7 +238,7 @@ void ThreadPool::read_uci_options() {
 // slave_available() tries to find an idle thread which is available as a slave
 // for the thread 'master'.
 
-Thread* ThreadPool::available_slave(Thread* master) const {
+Thread* ThreadPool::available_slave(const Thread* master) const {
 
   for (const_iterator it = begin(); it != end(); ++it)
       if ((*it)->is_available_to(master))
@@ -258,7 +258,7 @@ Thread* ThreadPool::available_slave(Thread* master) const {
 // search() then split() returns.
 
 template <bool Fake>
-void Thread::split(Position& pos, Stack* ss, Value alpha, Value beta, Value* bestValue,
+void Thread::split(Position& pos, const Stack* ss, Value alpha, Value beta, Value* bestValue,
                    Move* bestMove, Depth depth, Move threatMove, int moveCount,
                    MovePicker* movePicker, int nodeType, bool cutNode) {
 
@@ -348,8 +348,8 @@ void Thread::split(Position& pos, Stack* ss, Value alpha, Value beta, Value* bes
 }
 
 // Explicit template instantiations
-template void Thread::split<false>(Position&, Stack*, Value, Value, Value*, Move*, Depth, Move, int, MovePicker*, int, bool);
-template void Thread::split< true>(Position&, Stack*, Value, Value, Value*, Move*, Depth, Move, int, MovePicker*, int, bool);
+template void Thread::split<false>(Position&, const Stack*, Value, Value, Value*, Move*, Depth, Move, int, MovePicker*, int, bool);
+template void Thread::split< true>(Position&, const Stack*, Value, Value, Value*, Move*, Depth, Move, int, MovePicker*, int, bool);
 
 
 // wait_for_think_finished() waits for main thread to go to sleep then returns