Loop Time

[folly.git] / folly / portability / SysFile.cpp

diff --git a/folly/portability/SysFile.cpp b/folly/portability/SysFile.cpp
index b484881665051669f9782fdba7b9fe6078862c8b..2a51d412a30bf0099137a19266a739c55d3c5b7b 100755 (executable)
--- a/folly/portability/SysFile.cpp
+++ b/folly/portability/SysFile.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2017 Facebook, Inc.
+ * Copyright 2016-present Facebook, Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -33,10 +33,9 @@ extern "C" int flock(int fd, int operation) {
       return -1;
     }
   } else {
-    DWORD flags = 0
-        | (operation & LOCK_NB ? LOCKFILE_FAIL_IMMEDIATELY : 0)
-        | (operation & LOCK_EX ? LOCKFILE_EXCLUSIVE_LOCK : 0)
-        ;
+    DWORD flags = DWORD(
+        (operation & LOCK_NB ? LOCKFILE_FAIL_IMMEDIATELY : 0) |
+        (operation & LOCK_EX ? LOCKFILE_EXCLUSIVE_LOCK : 0));
     OVERLAPPED ov = {};
     if (!LockFileEx(h, flags, 0, kMaxDWORD, kMaxDWORD, &ov)) {
       return -1;