Add one assert

[stockfish] / src / search.cpp

diff --git a/src/search.cpp b/src/search.cpp
index ab9bcca3b781376cb1a5cef4dbb9eccfb1bdba9d..3a70c8f797fde7e299f9fa39d020dd9352d91d73 100644 (file)
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -2583,17 +2583,19 @@ namespace {
     {
         // Slave threads can exit as soon as AllThreadsShouldExit raises,
         // master should exit as last one.
-        if (AllThreadsShouldExit && !waitSp)
+        if (AllThreadsShouldExit)
         {
+            assert(!waitSp);
             threads[threadID].state = THREAD_TERMINATED;
             return;
         }
 
         // If we are not thinking, wait for a condition to be signaled
         // instead of wasting CPU time polling for work.
-        while (    threadID != 0
-               && (AllThreadsShouldSleep || threadID >= ActiveThreads))
+        while (AllThreadsShouldSleep || threadID >= ActiveThreads)
         {
+            assert(!waitSp);
+            assert(threadID != 0);
             threads[threadID].state = THREAD_SLEEPING;
 
 #if !defined(_MSC_VER)
@@ -2613,7 +2615,7 @@ namespace {
         // If this thread has been assigned work, launch a search
         if (threads[threadID].state == THREAD_WORKISWAITING)
         {
-            assert(!AllThreadsShouldExit);
+            assert(!AllThreadsShouldExit && !AllThreadsShouldSleep);
 
             threads[threadID].state = THREAD_SEARCHING;
 
@@ -2959,12 +2961,9 @@ namespace {
     // This makes the threads to go to sleep
     AllThreadsShouldSleep = true;
 
-    // Wait for the threads to be all sleeping and reset flags
-    // to a known state.
+    // Reset flags to a known state.
     for (int i = 1; i < ActiveThreads; i++)
     {
-        while (threads[i].state != THREAD_SLEEPING);
-
         // This flag can be in a random state
         threads[i].printCurrentLineRequest = false;
     }