posix_event.ipp 1.8 KB

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  1. //
  2. // detail/impl/posix_event.ipp
  3. // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
  4. //
  5. // Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  6. //
  7. // Distributed under the Boost Software License, Version 1.0. (See accompanying
  8. // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  9. //
  10. #ifndef BOOST_ASIO_DETAIL_IMPL_POSIX_EVENT_IPP
  11. #define BOOST_ASIO_DETAIL_IMPL_POSIX_EVENT_IPP
  12. #if defined(_MSC_VER) && (_MSC_VER >= 1200)
  13. # pragma once
  14. #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
  15. #include <boost/asio/detail/config.hpp>
  16. #if defined(BOOST_ASIO_HAS_PTHREADS)
  17. #include <boost/asio/detail/posix_event.hpp>
  18. #include <boost/asio/detail/throw_error.hpp>
  19. #include <boost/asio/error.hpp>
  20. #include <boost/asio/detail/push_options.hpp>
  21. namespace boost {
  22. namespace asio {
  23. namespace detail {
  24. posix_event::posix_event()
  25. : state_(0)
  26. {
  27. #if (defined(__MACH__) && defined(__APPLE__)) \
  28. || (defined(__ANDROID__) && (__ANDROID_API__ < 21))
  29. int error = ::pthread_cond_init(&cond_, 0);
  30. #else // (defined(__MACH__) && defined(__APPLE__))
  31. // || (defined(__ANDROID__) && (__ANDROID_API__ < 21))
  32. ::pthread_condattr_t attr;
  33. int error = ::pthread_condattr_init(&attr);
  34. if (error == 0)
  35. {
  36. error = ::pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
  37. if (error == 0)
  38. error = ::pthread_cond_init(&cond_, &attr);
  39. ::pthread_condattr_destroy(&attr);
  40. }
  41. #endif // (defined(__MACH__) && defined(__APPLE__))
  42. // || (defined(__ANDROID__) && (__ANDROID_API__ < 21))
  43. boost::system::error_code ec(error,
  44. boost::asio::error::get_system_category());
  45. boost::asio::detail::throw_error(ec, "event");
  46. }
  47. } // namespace detail
  48. } // namespace asio
  49. } // namespace boost
  50. #include <boost/asio/detail/pop_options.hpp>
  51. #endif // defined(BOOST_ASIO_HAS_PTHREADS)
  52. #endif // BOOST_ASIO_DETAIL_IMPL_POSIX_EVENT_IPP