zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/build/uClibc/libc/sysdeps/linux/common/umount.c b/ap/build/uClibc/libc/sysdeps/linux/common/umount.c
new file mode 100644
index 0000000..a084d29
--- /dev/null
+++ b/ap/build/uClibc/libc/sysdeps/linux/common/umount.c
@@ -0,0 +1,32 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * umount() for uClibc
+ *
+ * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+
+#include <sys/syscall.h>
+
+#if defined __USE_GNU
+#include <sys/mount.h>
+
+/* arch provides umount() syscall */
+#ifdef __NR_umount
+
+_syscall1(int, umount, const char *, specialfile)
+
+/* arch provides umount2() syscall */
+#elif defined __NR_umount2
+
+# define __NR___syscall_umount2 __NR_umount2
+static __inline__ _syscall2(int, __syscall_umount2, const char *, special_file, int, flags)
+
+int umount(const char *special_file)
+{
+ return (__syscall_umount2(special_file, 0));
+}
+
+#endif
+#endif