1 files changed, 42 insertions, 0 deletions

diff --git a/gnu/libexec/uucp/libunix/sync.c b/gnu/libexec/uucp/libunix/sync.c
new file mode 100644
index 000000000000..c346c58ccb7a
--- /dev/null
+++ b/gnu/libexec/uucp/libunix/sync.c
@@ -0,0 +1,42 @@
+/* sync.c
+   Sync a file to disk, if FSYNC_ON_CLOSE is set.  */
+
+#include "uucp.h"
+
+#include "uudefs.h"
+#include "sysdep.h"
+#include "system.h"
+
+#include <errno.h>
+
+boolean
+fsysdep_sync (e, zmsg)
+     openfile_t e;
+     const char *zmsg;
+{
+  int o;
+
+#if USE_STDIO
+  if (fflush (e) == EOF)
+    {
+      ulog (LOG_ERROR, "%s: fflush: %s", zmsg, strerror (errno));
+      return FALSE;
+    }
+#endif
+
+#if USE_STDIO
+  o = fileno (e);
+#else
+  o = e;
+#endif
+
+#if FSYNC_ON_CLOSE
+  if (fsync (o) < 0)
+    {
+      ulog (LOG_ERROR, "%s: fsync: %s", zmsg, strerror (errno));
+      return FALSE;
+    }
+#endif
+
+  return TRUE;
+}