include: Add concurrencysal.h to the headers.

Signed-off-by: Jacek Caban <jacek@codeweavers.com>

mingw-w64-headers/include/concurrencysal.h

@@ -0,0 +1,49 @@
+/**
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the mingw-w64 runtime package.
+ * No warranty is given; refer to the file DISCLAIMER.PD within this package.
+ */
+
+#ifndef CONCURRENCYSAL_HXX
+#define CONCURRENCYSAL_HXX
+
+#define _Benign_race_begin_
+#define _Benign_race_end_
+#define _No_competing_thread_begin_
+#define _No_competing_thread_end_
+
+#define _Acquires_exclusive_lock_(lock)
+#define _Acquires_lock_(lock)
+#define _Acquires_nonreentrant_lock_(lock)
+#define _Acquires_shared_lock_(lock)
+#define _Analysis_assume_lock_acquired_(lock)
+#define _Analysis_assume_lock_released_(lock)
+#define _Analysis_assume_lock_held_(lock)
+#define _Analysis_assume_lock_not_held_(lock)
+#define _Analysis_assume_same_lock_(lock1, lock2)
+#define _Analysis_suppress_lock_checking_(lock)
+#define _Create_lock_level_(level)
+#define _Csalcat1_(x,y)
+#define _Csalcat2_(x,y)
+#define _Function_ignore_lock_checking_(lock)
+#define _Guarded_by_(lock)
+#define _Has_lock_kind_(kind)
+#define _Has_lock_level_(level)
+#define _Interlocked_
+#define _Internal_lock_level_order_(a,b)
+#define _Lock_level_order_(a,b)
+#define _No_competing_thread_
+#define _Post_same_lock_(lock1,lock2)
+#define _Releases_exclusive_lock_(lock)
+#define _Releases_lock_(lock)
+#define _Releases_nonreentrant_lock_(lock)
+#define _Releases_shared_lock_(lock)
+#define _Requires_exclusive_lock_held_(lock)
+#define _Requires_shared_lock_held_(lock)
+#define _Requires_lock_held_(lock)
+#define _Requires_lock_not_held_(lock)
+#define _Requires_no_locks_held_
+#define _Write_guarded_by_(lock)
+
+#endif
+