From: Pádraig Brady <P@draigBrady.com>
Date: Tue, 12 Apr 2022 11:04:38 +0000 (+0100)
Subject: sync: support syncing files on cygwin
X-Git-Tag: v9.1~10
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=6e9bf0765fb8931eddfd17736cb0554192c26fad;p=thirdparty%2Fcoreutils.git

sync: support syncing files on cygwin

* src/sync.c (sync_arg): Similarly to AIX, Cygwin 2.9.0
was seen to need write access to have permission to sync a file.
---

diff --git a/src/sync.c b/src/sync.c
index ffb4747fa8..de6de5d001 100644
--- a/src/sync.c
+++ b/src/sync.c
@@ -94,8 +94,8 @@ sync_arg (enum sync_mode mode, char const *file)
   int open_flags = O_RDONLY | O_NONBLOCK;
   int fd;
 
-#ifdef _AIX
-  /* AIX 7.1 fsync requires write access to file.  */
+#if defined _AIX || defined __CYGWIN__
+  /* AIX 7.1, CYGWIN 2.9.0, fsync requires write access to file.  */
   if (mode == MODE_FILE)
     open_flags = O_WRONLY | O_NONBLOCK;
 #endif