zte's code,first commit

Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/build/uClibc/libc/sysdeps/linux/common/umask.c b/ap/build/uClibc/libc/sysdeps/linux/common/umask.c
new file mode 100644
index 0000000..b838e17
--- /dev/null
+++ b/ap/build/uClibc/libc/sysdeps/linux/common/umask.c
@@ -0,0 +1,19 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * umask() 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>
+#include <sys/stat.h>
+
+#define __NR___syscall_umask __NR_umask
+static __inline__ _syscall1(__kernel_mode_t, __syscall_umask, __kernel_mode_t, mode)
+
+mode_t umask(mode_t mode)
+{
+	return __syscall_umask(mode);
+}