Fix a crash on multi-pv

[stockfish] / src / lock.h

diff --git a/src/lock.h b/src/lock.h
index f46f93d89f7c8da8fba069cb8f4e49058e8e4fef..334bc7c9b3fe6321f907067e80d938b9cd7c511f 100644 (file)
--- a/src/lock.h
+++ b/src/lock.h
@@ -27,12 +27,16 @@
 #  include <pthread.h>
 
 typedef pthread_mutex_t Lock;
+typedef pthread_cond_t WaitCondition;
 
 #  define lock_init(x) pthread_mutex_init(x, NULL)
 #  define lock_grab(x) pthread_mutex_lock(x)
 #  define lock_release(x) pthread_mutex_unlock(x)
 #  define lock_destroy(x) pthread_mutex_destroy(x)
-
+#  define cond_destroy(x) pthread_cond_destroy(x)
+#  define cond_init(x) pthread_cond_init(x, NULL)
+#  define cond_signal(x) pthread_cond_signal(x)
+#  define cond_wait(x,y) pthread_cond_wait(x,y)
 
 #else
 
@@ -41,12 +45,16 @@ typedef pthread_mutex_t Lock;
 #undef WIN32_LEAN_AND_MEAN
 
 typedef CRITICAL_SECTION Lock;
+typedef HANDLE WaitCondition;
+
 #  define lock_init(x) InitializeCriticalSection(x)
 #  define lock_grab(x) EnterCriticalSection(x)
 #  define lock_release(x) LeaveCriticalSection(x)
 #  define lock_destroy(x) DeleteCriticalSection(x)
-
-
+#  define cond_init(x) { *x = CreateEvent(0, FALSE, FALSE, 0); }
+#  define cond_destroy(x) CloseHandle(*x)
+#  define cond_signal(x) SetEvent(*x)
+#  define cond_wait(x,y) { lock_release(y); WaitForSingleObject(*x, INFINITE); lock_grab(y); }
 #endif
 
 #endif // !defined(LOCK_H_INCLUDED)