From ea3bcabcc2cd9a9339b97c5842888414ee620ea9 Mon Sep 17 00:00:00 2001
From: alexpeshkoff <alexpeshkoff@users.sourceforge.net>
Date: Thu, 25 Nov 2010 15:50:13 +0000
Subject: [PATCH] Check for presence of sync functions

---
 configure.in    | 1 +
 src/burp/burp.h | 4 ++++
 2 files changed, 5 insertions(+)

diff --git a/configure.in b/configure.in
index 0dc4cf8771..5183ad7f5f 100644
--- a/configure.in
+++ b/configure.in
@@ -785,6 +785,7 @@ AC_CHECK_FUNCS(fchmod)
 AC_CHECK_FUNCS(semtimedop)
 AC_CHECK_FUNCS(fegetenv)
 AC_CHECK_FUNCS(strerror_r)
+AC_CHECK_FUNCS(fdatasync fsync)
 dnl AC_CHECK_FUNCS(AO_compare_and_swap_full)
 AC_COMPILE_IFELSE(
 	[AC_LANG_PROGRAM([[#include <atomic_ops.h>]], [[AO_T x; AO_compare_and_swap_full(&x, 0, 0); return 0;]])],
diff --git a/src/burp/burp.h b/src/burp/burp.h
index 96260e7273..20b10e917a 100644
--- a/src/burp/burp.h
+++ b/src/burp/burp.h
@@ -724,7 +724,11 @@ inline static void unlink_platf(const TEXT* file_name)
 
 inline static void flush_platf(DESC file)
 {
+#if defined(HAVE_FDATASYNC)
 	fdatasync(file);
+#elif defined(HAVE_FSYNC)
+	fsync(file);
+#endif
 }
 
 #endif // WIN_NT