Linux sandbox: restrict futex operations.

sandbox/linux/BUILD.gn

 # Copyright 2014 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.
 
 import("//build/config/features.gni")
 
 declare_args() {
   compile_suid_client = is_linux
 
   compile_credentials = is_linux
@@ skipping 225 matching lines @@
   }
 
   deps = [
     "//base",
   ]
 }
 
 source_set("sandbox_services_headers") {
   sources = [
     "services/android_arm_ucontext.h",
+    "services/android_futex.h",
     "services/android_ucontext.h",
     "services/android_i386_ucontext.h",
     "services/arm_linux_syscalls.h",
     "services/linux_syscalls.h",
     "services/x86_32_linux_syscalls.h",
     "services/x86_64_linux_syscalls.h",
   ]
 }
 
 # We make this its own target so that it does not interfere with our tests.
@@ skipping 48 matching lines @@
   #      'type': 'none',
   #      'variables': {
   #        'test_suite_name': 'sandbox_linux_jni_unittests',
   #      },
   #      'dependencies': [
   #        'sandbox_linux_jni_unittests',
   #      ],
   #      'includes': [ '../../build/apk_test.gypi' ],
   #      }
 }