se_lock.hpp 2.1 KB

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  1. /*
  2. * Copyright (C) 2011-2017 Intel Corporation. All rights reserved.
  3. *
  4. * Redistribution and use in source and binary forms, with or without
  5. * modification, are permitted provided that the following conditions
  6. * are met:
  7. *
  8. * * Redistributions of source code must retain the above copyright
  9. * notice, this list of conditions and the following disclaimer.
  10. * * Redistributions in binary form must reproduce the above copyright
  11. * notice, this list of conditions and the following disclaimer in
  12. * the documentation and/or other materials provided with the
  13. * distribution.
  14. * * Neither the name of Intel Corporation nor the names of its
  15. * contributors may be used to endorse or promote products derived
  16. * from this software without specific prior written permission.
  17. *
  18. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  19. * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  20. * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  21. * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  22. * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  23. * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  24. * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  25. * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  26. * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  27. * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  28. * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29. *
  30. */
  31. /* This file implement lock guard */
  32. #ifndef SE_LOCK_HPP
  33. #define SE_LOCK_HPP
  34. #include "util.h"
  35. #include "se_thread.h"
  36. #include "uncopyable.h"
  37. class Mutex: private Uncopyable
  38. {
  39. public:
  40. Mutex(){se_mutex_init(&m_mutex);}
  41. ~Mutex(){se_mutex_destroy(&m_mutex);}
  42. void lock(){se_mutex_lock(&m_mutex);}
  43. void unlock(){se_mutex_unlock(&m_mutex);}
  44. private:
  45. se_mutex_t m_mutex;
  46. };
  47. class LockGuard: private Uncopyable
  48. {
  49. public:
  50. LockGuard(Mutex* mutex):m_mutex(mutex){m_mutex->lock();}
  51. ~LockGuard(){m_mutex->unlock();}
  52. private:
  53. Mutex* m_mutex;
  54. };
  55. #endif