1 files changed, 41 insertions, 0 deletions

diff --git a/coreutils/fsync.c b/coreutils/fsync.c
new file mode 100644
index 000000000..f00803c5b
--- /dev/null
+++ b/coreutils/fsync.c
@@ -0,0 +1,41 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Mini fsync implementation for busybox
+ *
+ * Copyright (C) 2008 Nokia Corporation. All rights reserved.
+ *
+ * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
+ */
+#include "libbb.h"
+
+/* This is a NOFORK applet. Be very careful! */
+
+int fsync_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int fsync_main(int argc UNUSED_PARAM, char **argv)
+{
+        int status;
+        int opts;
+
+        opts = getopt32(argv, "d"); /* fdatasync */
+        argv += optind;
+        if (!*argv) {
+                bb_show_usage();
+        }
+
+        status = EXIT_SUCCESS;
+        do {
+                int fd = open3_or_warn(*argv, O_NOATIME | O_NOCTTY | O_RDONLY, 0);
+
+                if (fd == -1) {
+                        status = EXIT_FAILURE;
+                        continue;
+                }
+                if ((opts ? fdatasync(fd) : fsync(fd))) {
+                        //status = EXIT_FAILURE; - do we want this?
+                        bb_simple_perror_msg(*argv);
+                }
+                close(fd);
+        } while (*++argv);
+
+        return status;
+}