Allow chrome_sandbox to act as a helper program and find the socket with a gi...

sandbox/linux/suid/linux_util.h

+// Copyright (c) 2009 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.
+
+// The following is duplicated from base/linux_utils.h.
+// We shouldn't link against C++ code in a setuid binary.
+
+#ifndef SANDBOX_LINUX_SUID_LINUX_UTIL_H_
+#define SANDBOX_LINUX_SUID_LINUX_UTIL_H_
+
+#include <stdbool.h>
+#include <sys/types.h>
+
+static const char kFindInodeSwitch[] = "--find-inode";
+
+// Find the process which holds the given socket, named by inode number. If
+// multiple processes hold the socket, this function returns false.
+bool FindProcessHoldingSocket(pid_t* pid_out, ino_t socket_inode);
+
+#endif  // SANDBOX_LINUX_SUID_LINUX_UTIL_H_