base/atomicops.h native_client_sdk/src/libraries/sdk_util/atomicops.h third_party/protobuf/src/google/protobuf/stubs/atomicops.h third_party/re2/util/atomicops.h third_party/tcmalloc/chromium/src/base/atomicops.h third_party/tcmalloc/vendor/src/base/atomicops.h