From 117d15ed7a230d065cf88faa8156c08f7160e08b Mon Sep 17 00:00:00 2001
From: LeRoyce Pearson <leroycepearson@geemili.xyz>
Date: Tue, 7 Apr 2020 16:49:37 -0600
Subject: [PATCH] Fix file locking on windows

The share_access bitfield was being ORed with what was supposed to be
parts of the default value, meaning that the share_access would be
more permissive than expected.
---
 lib/std/os/windows.zig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/std/os/windows.zig b/lib/std/os/windows.zig
index efc85d38a..817244e08 100644
--- a/lib/std/os/windows.zig
+++ b/lib/std/os/windows.zig
@@ -136,7 +136,7 @@ pub fn OpenFileW(
         .SecurityQualityOfService = null,
     };
     var io: IO_STATUS_BLOCK = undefined;
-    const share_access = share_access_opt orelse FILE_SHARE_WRITE | FILE_SHARE_READ | FILE_SHARE_DELETE;
+    const share_access = share_access_opt orelse (FILE_SHARE_WRITE | FILE_SHARE_READ | FILE_SHARE_DELETE);
 
     var delay: usize = 1;
     while (true) {