ceph/src/boost/boost/process/detail/windows/wait_group.hpp

   1 // Copyright (c) 2016 Klemens D. Morgenstern
   2 //
   3 // Distributed under the Boost Software License, Version 1.0. (See accompanying
   4 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   5
   6 #ifndef BOOST_PROCESS_DETAIL_WINDOWS_WAIT_GROUP_HPP_
   7 #define BOOST_PROCESS_DETAIL_WINDOWS_WAIT_GROUP_HPP_
   8
   9 #include <boost/process/detail/config.hpp>
  10 #include <boost/winapi/jobs.hpp>
  11 #include <boost/winapi/wait.hpp>
  12
  13
  14 namespace boost { namespace process { namespace detail { namespace windows {
  15
  16 struct group_handle;
  17
  18 inline void wait(const group_handle &p)
  19 {
  20     if (::boost::winapi::WaitForSingleObject(p.handle(),
  21         ::boost::winapi::infinite) == ::boost::winapi::wait_failed)
  22             throw_last_error("WaitForSingleObject() failed");
  23
  24 }
  25
  26 inline void wait(const group_handle &p, std::error_code &ec)
  27 {
  28     if (::boost::winapi::WaitForSingleObject(p.handle(),
  29         ::boost::winapi::infinite) == ::boost::winapi::wait_failed)
  30             ec = get_last_error();
  31 }
  32
  33
  34 template< class Rep, class Period >
  35 inline bool wait_for(
  36         const group_handle &p,
  37         const std::chrono::duration<Rep, Period>& rel_time)
  38 {
  39
  40     std::chrono::milliseconds ms = std::chrono::duration_cast<std::chrono::milliseconds>(rel_time);
  41
  42     ::boost::winapi::DWORD_ wait_code;
  43     wait_code = ::boost::winapi::WaitForSingleObject(p.handle(), ms.count());
  44     if (wait_code == ::boost::winapi::wait_failed)
  45         throw_last_error("WaitForSingleObject() failed");
  46     else if (wait_code == ::boost::winapi::wait_timeout)
  47         return false; //
  48
  49     return true;
  50 }
  51
  52
  53 template< class Rep, class Period >
  54 inline bool wait_for(
  55         const group_handle &p,
  56         const std::chrono::duration<Rep, Period>& rel_time,
  57         std::error_code &ec)
  58 {
  59
  60     std::chrono::milliseconds ms = std::chrono::duration_cast<std::chrono::milliseconds>(rel_time);
  61
  62
  63     ::boost::winapi::DWORD_ wait_code;
  64     wait_code = ::boost::winapi::WaitForSingleObject(p.handle(), ms.count());
  65     if (wait_code == ::boost::winapi::wait_failed)
  66         ec = get_last_error();
  67
  68     else if (wait_code == ::boost::winapi::wait_timeout)
  69         return false; //
  70
  71     return true;
  72 }
  73
  74 template< class Clock, class Duration >
  75 inline bool wait_until(
  76         const group_handle &p,
  77         const std::chrono::time_point<Clock, Duration>& timeout_time)
  78 {
  79     std::chrono::milliseconds ms =
  80             std::chrono::duration_cast<std::chrono::milliseconds>(
  81                     timeout_time - std::chrono::system_clock::now());
  82
  83     ::boost::winapi::DWORD_ wait_code;
  84     wait_code = ::boost::winapi::WaitForSingleObject(p.handle(), ms.count());
  85
  86     if (wait_code == ::boost::winapi::wait_failed)
  87         throw_last_error("WaitForSingleObject() failed");
  88
  89     else if (wait_code == ::boost::winapi::wait_timeout)
  90         return false; //
  91
  92     return true;
  93 }
  94
  95
  96 template< class Clock, class Duration >
  97 inline bool wait_until(
  98         const group_handle &p,
  99         const std::chrono::time_point<Clock, Duration>& timeout_time,
 100         std::error_code &ec)
 101 {
 102     std::chrono::milliseconds ms =
 103             std::chrono::duration_cast<std::chrono::milliseconds>(
 104                     timeout_time - std::chrono::system_clock::now());
 105
 106     ::boost::winapi::DWORD_ wait_code;
 107     wait_code = ::boost::winapi::WaitForSingleObject(p.handle(), ms.count());
 108
 109     if (wait_code == ::boost::winapi::wait_failed)
 110         ec = get_last_error();
 111
 112     else if (wait_code == ::boost::winapi::wait_timeout)
 113         return false; //
 114
 115     return true;
 116 ;
 117 }
 118
 119 }}}}
 120
 121 #endif /* BOOST_PROCESS_DETAIL_WINDOWS_WAIT_GROUP_HPP_ */