Function InitializeFile

util/linux/memory_map_test.cc:124–134

}

void InitializeFile(const base::FilePath& path,
                    size_t size,
                    ScopedFileHandle* handle) {
  ASSERT_FALSE(FileExists(path));

  handle->reset(LoggingOpenFileForReadAndWrite(
      path, FileWriteMode::kReuseOrCreate, FilePermissions::kOwnerOnly));
  ASSERT_TRUE(handle->is_valid());
  std::string file_contents(size, std::string::value_type());
  CheckedWriteFile(handle->get(), file_contents.c_str(), file_contents.size());
}

class MapChildTest : public Multiprocess {
 public: