ceph/src/boost/boost/winapi/thread_pool.hpp

   1 /*
   2  * Copyright 2013 Andrey Semashev
   3  *
   4  * Distributed under the Boost Software License, Version 1.0.
   5  * See http://www.boost.org/LICENSE_1_0.txt
   6  */
   7
   8 #ifndef BOOST_WINAPI_THREAD_POOL_HPP_INCLUDED_
   9 #define BOOST_WINAPI_THREAD_POOL_HPP_INCLUDED_
  10
  11 #include <boost/winapi/config.hpp>
  12
  13 #ifdef BOOST_HAS_PRAGMA_ONCE
  14 #pragma once
  15 #endif
  16
  17 #if BOOST_USE_WINAPI_VERSION >= BOOST_WINAPI_VERSION_WIN2K
  18
  19 #include <boost/winapi/basic_types.hpp>
  20
  21 #if !defined( BOOST_USE_WINDOWS_H )
  22 extern "C" {
  23 #if BOOST_WINAPI_PARTITION_DESKTOP
  24 typedef boost::winapi::VOID_ (NTAPI *WAITORTIMERCALLBACKFUNC)
  25     (boost::winapi::PVOID_, boost::winapi::BOOLEAN_);
  26 typedef WAITORTIMERCALLBACKFUNC WAITORTIMERCALLBACK;
  27
  28 BOOST_SYMBOL_IMPORT boost::winapi::BOOL_ WINAPI
  29 RegisterWaitForSingleObject(
  30     boost::winapi::PHANDLE_ phNewWaitObject,
  31     boost::winapi::HANDLE_ hObject,
  32     WAITORTIMERCALLBACK Callback,
  33     boost::winapi::PVOID_ Context,
  34     boost::winapi::ULONG_ dwMilliseconds,
  35     boost::winapi::ULONG_ dwFlags);
  36 #endif
  37 } // extern "C"
  38 #endif
  39
  40 // MinGW is buggy - it is missing these function declarations for Win2000
  41 #if !defined( BOOST_USE_WINDOWS_H ) || (defined(BOOST_WINAPI_IS_MINGW) && BOOST_USE_WINAPI_VERSION < BOOST_WINAPI_VERSION_WINXP)
  42 extern "C" {
  43 #if BOOST_WINAPI_PARTITION_DESKTOP
  44 BOOST_SYMBOL_IMPORT boost::winapi::BOOL_ WINAPI
  45 UnregisterWait(boost::winapi::HANDLE_ WaitHandle);
  46 #endif
  47
  48 #if BOOST_WINAPI_PARTITION_DESKTOP || BOOST_WINAPI_PARTITION_SYSTEM
  49 BOOST_SYMBOL_IMPORT boost::winapi::BOOL_ WINAPI
  50 UnregisterWaitEx(
  51     boost::winapi::HANDLE_ WaitHandle,
  52     boost::winapi::HANDLE_ CompletionEvent);
  53 #endif
  54 } // extern "C"
  55 #endif
  56
  57 namespace boost {
  58 namespace winapi {
  59
  60 #if BOOST_WINAPI_PARTITION_DESKTOP
  61 typedef ::WAITORTIMERCALLBACKFUNC WAITORTIMERCALLBACKFUNC_;
  62 typedef ::WAITORTIMERCALLBACK WAITORTIMERCALLBACK_;
  63
  64 using ::RegisterWaitForSingleObject;
  65 using ::UnregisterWait;
  66 #endif
  67
  68 #if BOOST_WINAPI_PARTITION_DESKTOP || BOOST_WINAPI_PARTITION_SYSTEM
  69 using ::UnregisterWaitEx;
  70 #endif
  71 #if defined( BOOST_USE_WINDOWS_H )
  72
  73 const ULONG_ WT_EXECUTEDEFAULT_ = WT_EXECUTEDEFAULT;
  74 const ULONG_ WT_EXECUTEINIOTHREAD_ = WT_EXECUTEINIOTHREAD;
  75 #if defined( BOOST_WINAPI_IS_MINGW )
  76 const ULONG_ WT_EXECUTEINUITHREAD_ = 0x00000002;
  77 #else
  78 const ULONG_ WT_EXECUTEINUITHREAD_ = WT_EXECUTEINUITHREAD;
  79 #endif
  80 const ULONG_ WT_EXECUTEINWAITTHREAD_ = WT_EXECUTEINWAITTHREAD;
  81 const ULONG_ WT_EXECUTEONLYONCE_ = WT_EXECUTEONLYONCE;
  82 const ULONG_ WT_EXECUTEINTIMERTHREAD_ = WT_EXECUTEINTIMERTHREAD;
  83 const ULONG_ WT_EXECUTELONGFUNCTION_ = WT_EXECUTELONGFUNCTION;
  84 #if defined( BOOST_WINAPI_IS_MINGW )
  85 const ULONG_ WT_EXECUTEINPERSISTENTIOTHREAD_ = 0x00000040;
  86 #else
  87 const ULONG_ WT_EXECUTEINPERSISTENTIOTHREAD_ = WT_EXECUTEINPERSISTENTIOTHREAD;
  88 #endif
  89 const ULONG_ WT_EXECUTEINPERSISTENTTHREAD_ = WT_EXECUTEINPERSISTENTTHREAD;
  90 const ULONG_ WT_TRANSFER_IMPERSONATION_ = WT_TRANSFER_IMPERSONATION;
  91
  92 #else // defined( BOOST_USE_WINDOWS_H )
  93
  94 const ULONG_ WT_EXECUTEDEFAULT_ = 0x00000000;
  95 const ULONG_ WT_EXECUTEINIOTHREAD_ = 0x00000001;
  96 const ULONG_ WT_EXECUTEINUITHREAD_ = 0x00000002;
  97 const ULONG_ WT_EXECUTEINWAITTHREAD_ = 0x00000004;
  98 const ULONG_ WT_EXECUTEONLYONCE_ = 0x00000008;
  99 const ULONG_ WT_EXECUTEINTIMERTHREAD_ = 0x00000020;
 100 const ULONG_ WT_EXECUTELONGFUNCTION_ = 0x00000010;
 101 const ULONG_ WT_EXECUTEINPERSISTENTIOTHREAD_ = 0x00000040;
 102 const ULONG_ WT_EXECUTEINPERSISTENTTHREAD_ = 0x00000080;
 103 const ULONG_ WT_TRANSFER_IMPERSONATION_ = 0x00000100;
 104
 105 #endif // defined( BOOST_USE_WINDOWS_H )
 106
 107 BOOST_FORCEINLINE BOOST_CONSTEXPR ULONG_ wt_set_max_threadpool_threads(ULONG_ flags, ULONG_ limit) BOOST_NOEXCEPT
 108 {
 109     // Note: We don't use WT_SET_MAX_THREADPOOL_THREADS here because the way it's defined
 110     //       the function no longer meets C++11 constexpr requirements.
 111     return flags | (limit << 16);
 112 }
 113
 114 const ULONG_ wt_execute_default = WT_EXECUTEDEFAULT_;
 115 const ULONG_ wt_execute_in_io_thread = WT_EXECUTEINIOTHREAD_;
 116 const ULONG_ wt_execute_in_ui_thread = WT_EXECUTEINUITHREAD_;
 117 const ULONG_ wt_execute_in_wait_thread = WT_EXECUTEINWAITTHREAD_;
 118 const ULONG_ wt_execute_only_once = WT_EXECUTEONLYONCE_;
 119 const ULONG_ wt_execute_in_timer_thread = WT_EXECUTEINTIMERTHREAD_;
 120 const ULONG_ wt_execute_long_function = WT_EXECUTELONGFUNCTION_;
 121 const ULONG_ wt_execute_in_persistent_io_thread = WT_EXECUTEINPERSISTENTIOTHREAD_;
 122 const ULONG_ wt_execute_in_persistent_thread = WT_EXECUTEINPERSISTENTTHREAD_;
 123 const ULONG_ wt_transfer_impersonation = WT_TRANSFER_IMPERSONATION_;
 124
 125 }
 126 }
 127
 128 #endif // BOOST_USE_WINAPI_VERSION >= BOOST_WINAPI_VERSION_WIN2K
 129 #endif // BOOST_WINAPI_THREAD_POOL_HPP_INCLUDED_