sandbox/linux/seccomp-bpf/trap_unittest.cc

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "sandbox/linux/seccomp-bpf/trap.h"
   6
   7 #include <signal.h>
   8
   9 #include "sandbox/linux/tests/unit_tests.h"
  10 #include "testing/gtest/include/gtest/gtest.h"
  11
  12 namespace sandbox {
  13 namespace {
  14
  15 SANDBOX_TEST_ALLOW_NOISE(Trap, SigSysAction) {
  16   // This creates a global Trap instance, and registers the signal handler
  17   // (Trap::SigSysAction).
  18   Trap::Registry();
  19
  20   // Send SIGSYS to self. If signal handler (SigSysAction) is not registered,
  21   // the process will be terminated with status code -SIGSYS.
  22   // Note that, SigSysAction handler would output an error message
  23   // "Unexpected SIGSYS received." so it is necessary to allow the noise.
  24   raise(SIGSYS);
  25 }
  26
  27 }  // namespace
  28 }  // namespace sandbox