sandbox_linux_unittests: fail if the kernel does not support BPF.

If the kernel does not support seccomp-bpf, sandbox_linux_unittests will
fail.

BUG=236716

Review URL: https://chromiumcodereview.appspot.com/14601002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@197466 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 9 insertions, 0 deletions

diff --git a/sandbox/linux/seccomp-bpf/bpf_tests.h b/sandbox/linux/seccomp-bpf/bpf_tests.h
index 680ece601..71574d5 100644
--- a/sandbox/linux/seccomp-bpf/bpf_tests.h
+++ b/sandbox/linux/seccomp-bpf/bpf_tests.h
@@ -9,6 +9,8 @@
 #include <sys/stat.h>
 #include <sys/types.h>
 
+#include "base/third_party/valgrind/valgrind.h"
+#include "build/build_config.h"
 #include "sandbox/linux/tests/unit_tests.h"
 #include "sandbox/linux/seccomp-bpf/sandbox_bpf.h"
 
@@ -92,6 +94,13 @@ class BpfTests : public UnitTests {
 
       arg->test()(arg->aux_);
     } else {
+      // Only Android should be in the case where kernel support is not always
+      // available. Valgrind instrumentation will also prevent our tests from
+      // working.
+#if !defined(OS_ANDROID) && !defined(RUNNING_ON_VALGRIND)
+      const bool seccomp_bpf_is_supported = false;
+      BPF_ASSERT(seccomp_bpf_is_supported);
+#endif  // !defined(OS_ANDROID) && !defined(RUNNING_ON_VALGRIND)
       // Call the compiler and verify the policy. That's the least we can do,
       // if we don't have kernel support.
       playground2::Sandbox sandbox;