src/leveldb/util/env_posix_test_helper.h

   1 // Copyright 2017 The LevelDB 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. See the AUTHORS file for names of contributors.
   4
   5 #ifndef STORAGE_LEVELDB_UTIL_ENV_POSIX_TEST_HELPER_H_
   6 #define STORAGE_LEVELDB_UTIL_ENV_POSIX_TEST_HELPER_H_
   7
   8 namespace leveldb {
   9
  10 class EnvPosixTest;
  11
  12 // A helper for the POSIX Env to facilitate testing.
  13 class EnvPosixTestHelper {
  14  private:
  15   friend class EnvPosixTest;
  16
  17   // Set the maximum number of read-only files that will be opened.
  18   // Must be called before creating an Env.
  19   static void SetReadOnlyFDLimit(int limit);
  20
  21   // Set the maximum number of read-only files that will be mapped via mmap.
  22   // Must be called before creating an Env.
  23   static void SetReadOnlyMMapLimit(int limit);
  24 };
  25
  26 }  // namespace leveldb
  27
  28 #endif  // STORAGE_LEVELDB_UTIL_ENV_POSIX_TEST_HELPER_H_