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-rw-r--r--base/rand_util_c.h20
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diff --git a/base/rand_util_c.h b/base/rand_util_c.h
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+// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef BASE_RAND_UTIL_C_H_
+#define BASE_RAND_UTIL_C_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// Returns an FD for /dev/urandom, possibly pre-opened before sandboxing
+// was switched on. This is a C function so that Native Client can use it.
+int GetUrandomFD(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* BASE_RAND_UTIL_C_H_ */