| #ifndef BOOST_WIN32_THREAD_PRIMITIVES_HPP |
| #define BOOST_WIN32_THREAD_PRIMITIVES_HPP |
| |
| // win32_thread_primitives.hpp |
| // |
| // (C) Copyright 2005-7 Anthony Williams |
| // (C) Copyright 2007 David Deakins |
| // |
| // Distributed under the Boost Software License, Version 1.0. (See |
| // accompanying file LICENSE_1_0.txt or copy at |
| // http://www.boost.org/LICENSE_1_0.txt) |
| |
| #include <boost/config.hpp> |
| #include <boost/throw_exception.hpp> |
| #include <boost/assert.hpp> |
| #include <boost/thread/exceptions.hpp> |
| #include <boost/detail/interlocked.hpp> |
| #include <algorithm> |
| |
| #if defined( BOOST_USE_WINDOWS_H ) |
| # include <windows.h> |
| |
| namespace boost |
| { |
| namespace detail |
| { |
| namespace win32 |
| { |
| typedef ULONG_PTR ulong_ptr; |
| typedef HANDLE handle; |
| unsigned const infinite=INFINITE; |
| unsigned const timeout=WAIT_TIMEOUT; |
| handle const invalid_handle_value=INVALID_HANDLE_VALUE; |
| unsigned const event_modify_state=EVENT_MODIFY_STATE; |
| unsigned const synchronize=SYNCHRONIZE; |
| |
| # ifdef BOOST_NO_ANSI_APIS |
| using ::CreateMutexW; |
| using ::CreateEventW; |
| using ::OpenEventW; |
| using ::CreateSemaphoreW; |
| # else |
| using ::CreateMutexA; |
| using ::CreateEventA; |
| using ::OpenEventA; |
| using ::CreateSemaphoreA; |
| # endif |
| using ::CloseHandle; |
| using ::ReleaseMutex; |
| using ::ReleaseSemaphore; |
| using ::SetEvent; |
| using ::ResetEvent; |
| using ::WaitForMultipleObjects; |
| using ::WaitForSingleObject; |
| using ::GetCurrentProcessId; |
| using ::GetCurrentThreadId; |
| using ::GetCurrentThread; |
| using ::GetCurrentProcess; |
| using ::DuplicateHandle; |
| using ::SleepEx; |
| using ::Sleep; |
| using ::QueueUserAPC; |
| using ::GetTickCount; |
| } |
| } |
| } |
| #elif defined( WIN32 ) || defined( _WIN32 ) || defined( __WIN32__ ) |
| |
| # ifdef UNDER_CE |
| # ifndef WINAPI |
| # ifndef _WIN32_WCE_EMULATION |
| # define WINAPI __cdecl // Note this doesn't match the desktop definition |
| # else |
| # define WINAPI __stdcall |
| # endif |
| # endif |
| |
| # ifdef __cplusplus |
| extern "C" { |
| # endif |
| typedef int BOOL; |
| typedef unsigned long DWORD; |
| typedef void* HANDLE; |
| |
| # include <kfuncs.h> |
| # ifdef __cplusplus |
| } |
| # endif |
| # endif |
| |
| namespace boost |
| { |
| namespace detail |
| { |
| namespace win32 |
| { |
| |
| # ifdef _WIN64 |
| typedef unsigned __int64 ulong_ptr; |
| # else |
| typedef unsigned long ulong_ptr; |
| # endif |
| typedef void* handle; |
| unsigned const infinite=~0U; |
| unsigned const timeout=258U; |
| handle const invalid_handle_value=(handle)(-1); |
| unsigned const event_modify_state=2; |
| unsigned const synchronize=0x100000u; |
| |
| extern "C" |
| { |
| struct _SECURITY_ATTRIBUTES; |
| # ifdef BOOST_NO_ANSI_APIS |
| __declspec(dllimport) void* __stdcall CreateMutexW(_SECURITY_ATTRIBUTES*,int,wchar_t const*); |
| __declspec(dllimport) void* __stdcall CreateSemaphoreW(_SECURITY_ATTRIBUTES*,long,long,wchar_t const*); |
| __declspec(dllimport) void* __stdcall CreateEventW(_SECURITY_ATTRIBUTES*,int,int,wchar_t const*); |
| __declspec(dllimport) void* __stdcall OpenEventW(unsigned long,int,wchar_t const*); |
| # else |
| __declspec(dllimport) void* __stdcall CreateMutexA(_SECURITY_ATTRIBUTES*,int,char const*); |
| __declspec(dllimport) void* __stdcall CreateSemaphoreA(_SECURITY_ATTRIBUTES*,long,long,char const*); |
| __declspec(dllimport) void* __stdcall CreateEventA(_SECURITY_ATTRIBUTES*,int,int,char const*); |
| __declspec(dllimport) void* __stdcall OpenEventA(unsigned long,int,char const*); |
| # endif |
| __declspec(dllimport) int __stdcall CloseHandle(void*); |
| __declspec(dllimport) int __stdcall ReleaseMutex(void*); |
| __declspec(dllimport) unsigned long __stdcall WaitForSingleObject(void*,unsigned long); |
| __declspec(dllimport) unsigned long __stdcall WaitForMultipleObjects(unsigned long nCount,void* const * lpHandles,int bWaitAll,unsigned long dwMilliseconds); |
| __declspec(dllimport) int __stdcall ReleaseSemaphore(void*,long,long*); |
| __declspec(dllimport) int __stdcall DuplicateHandle(void*,void*,void*,void**,unsigned long,int,unsigned long); |
| __declspec(dllimport) unsigned long __stdcall SleepEx(unsigned long,int); |
| __declspec(dllimport) void __stdcall Sleep(unsigned long); |
| typedef void (__stdcall *queue_user_apc_callback_function)(ulong_ptr); |
| __declspec(dllimport) unsigned long __stdcall QueueUserAPC(queue_user_apc_callback_function,void*,ulong_ptr); |
| |
| __declspec(dllimport) unsigned long __stdcall GetTickCount(); |
| |
| # ifndef UNDER_CE |
| __declspec(dllimport) unsigned long __stdcall GetCurrentProcessId(); |
| __declspec(dllimport) unsigned long __stdcall GetCurrentThreadId(); |
| __declspec(dllimport) void* __stdcall GetCurrentThread(); |
| __declspec(dllimport) void* __stdcall GetCurrentProcess(); |
| __declspec(dllimport) int __stdcall SetEvent(void*); |
| __declspec(dllimport) int __stdcall ResetEvent(void*); |
| # else |
| using ::GetCurrentProcessId; |
| using ::GetCurrentThreadId; |
| using ::GetCurrentThread; |
| using ::GetCurrentProcess; |
| using ::SetEvent; |
| using ::ResetEvent; |
| # endif |
| } |
| } |
| } |
| } |
| #else |
| # error "Win32 functions not available" |
| #endif |
| |
| #include <boost/config/abi_prefix.hpp> |
| |
| namespace boost |
| { |
| namespace detail |
| { |
| namespace win32 |
| { |
| enum event_type |
| { |
| auto_reset_event=false, |
| manual_reset_event=true |
| }; |
| |
| enum initial_event_state |
| { |
| event_initially_reset=false, |
| event_initially_set=true |
| }; |
| |
| inline handle create_anonymous_event(event_type type,initial_event_state state) |
| { |
| #if !defined(BOOST_NO_ANSI_APIS) |
| handle const res=win32::CreateEventA(0,type,state,0); |
| #else |
| handle const res=win32::CreateEventW(0,type,state,0); |
| #endif |
| if(!res) |
| { |
| boost::throw_exception(thread_resource_error()); |
| } |
| return res; |
| } |
| |
| inline handle create_anonymous_semaphore(long initial_count,long max_count) |
| { |
| #if !defined(BOOST_NO_ANSI_APIS) |
| handle const res=CreateSemaphoreA(0,initial_count,max_count,0); |
| #else |
| handle const res=CreateSemaphoreW(0,initial_count,max_count,0); |
| #endif |
| if(!res) |
| { |
| boost::throw_exception(thread_resource_error()); |
| } |
| return res; |
| } |
| |
| inline handle duplicate_handle(handle source) |
| { |
| handle const current_process=GetCurrentProcess(); |
| long const same_access_flag=2; |
| handle new_handle=0; |
| bool const success=DuplicateHandle(current_process,source,current_process,&new_handle,0,false,same_access_flag)!=0; |
| if(!success) |
| { |
| boost::throw_exception(thread_resource_error()); |
| } |
| return new_handle; |
| } |
| |
| inline void release_semaphore(handle semaphore,long count) |
| { |
| BOOST_VERIFY(ReleaseSemaphore(semaphore,count,0)!=0); |
| } |
| |
| class handle_manager |
| { |
| private: |
| handle handle_to_manage; |
| handle_manager(handle_manager&); |
| handle_manager& operator=(handle_manager&); |
| |
| void cleanup() |
| { |
| if(handle_to_manage && handle_to_manage!=invalid_handle_value) |
| { |
| BOOST_VERIFY(CloseHandle(handle_to_manage)); |
| } |
| } |
| |
| public: |
| explicit handle_manager(handle handle_to_manage_): |
| handle_to_manage(handle_to_manage_) |
| {} |
| handle_manager(): |
| handle_to_manage(0) |
| {} |
| |
| handle_manager& operator=(handle new_handle) |
| { |
| cleanup(); |
| handle_to_manage=new_handle; |
| return *this; |
| } |
| |
| operator handle() const |
| { |
| return handle_to_manage; |
| } |
| |
| handle duplicate() const |
| { |
| return duplicate_handle(handle_to_manage); |
| } |
| |
| void swap(handle_manager& other) |
| { |
| std::swap(handle_to_manage,other.handle_to_manage); |
| } |
| |
| handle release() |
| { |
| handle const res=handle_to_manage; |
| handle_to_manage=0; |
| return res; |
| } |
| |
| bool operator!() const |
| { |
| return !handle_to_manage; |
| } |
| |
| ~handle_manager() |
| { |
| cleanup(); |
| } |
| }; |
| |
| } |
| } |
| } |
| |
| #if defined(BOOST_MSVC) && (_MSC_VER>=1400) && !defined(UNDER_CE) |
| |
| namespace boost |
| { |
| namespace detail |
| { |
| namespace win32 |
| { |
| #if _MSC_VER==1400 |
| extern "C" unsigned char _interlockedbittestandset(long *a,long b); |
| extern "C" unsigned char _interlockedbittestandreset(long *a,long b); |
| #else |
| extern "C" unsigned char _interlockedbittestandset(volatile long *a,long b); |
| extern "C" unsigned char _interlockedbittestandreset(volatile long *a,long b); |
| #endif |
| |
| #pragma intrinsic(_interlockedbittestandset) |
| #pragma intrinsic(_interlockedbittestandreset) |
| |
| inline bool interlocked_bit_test_and_set(long* x,long bit) |
| { |
| return _interlockedbittestandset(x,bit)!=0; |
| } |
| |
| inline bool interlocked_bit_test_and_reset(long* x,long bit) |
| { |
| return _interlockedbittestandreset(x,bit)!=0; |
| } |
| |
| } |
| } |
| } |
| #define BOOST_THREAD_BTS_DEFINED |
| #elif (defined(BOOST_MSVC) || defined(BOOST_INTEL_WIN)) && defined(_M_IX86) |
| namespace boost |
| { |
| namespace detail |
| { |
| namespace win32 |
| { |
| inline bool interlocked_bit_test_and_set(long* x,long bit) |
| { |
| __asm { |
| mov eax,bit; |
| mov edx,x; |
| lock bts [edx],eax; |
| setc al; |
| }; |
| } |
| |
| inline bool interlocked_bit_test_and_reset(long* x,long bit) |
| { |
| __asm { |
| mov eax,bit; |
| mov edx,x; |
| lock btr [edx],eax; |
| setc al; |
| }; |
| } |
| |
| } |
| } |
| } |
| #define BOOST_THREAD_BTS_DEFINED |
| #endif |
| |
| #ifndef BOOST_THREAD_BTS_DEFINED |
| |
| namespace boost |
| { |
| namespace detail |
| { |
| namespace win32 |
| { |
| inline bool interlocked_bit_test_and_set(long* x,long bit) |
| { |
| long const value=1<<bit; |
| long old=*x; |
| do |
| { |
| long const current=BOOST_INTERLOCKED_COMPARE_EXCHANGE(x,old|value,old); |
| if(current==old) |
| { |
| break; |
| } |
| old=current; |
| } |
| while(true); |
| return (old&value)!=0; |
| } |
| |
| inline bool interlocked_bit_test_and_reset(long* x,long bit) |
| { |
| long const value=1<<bit; |
| long old=*x; |
| do |
| { |
| long const current=BOOST_INTERLOCKED_COMPARE_EXCHANGE(x,old&~value,old); |
| if(current==old) |
| { |
| break; |
| } |
| old=current; |
| } |
| while(true); |
| return (old&value)!=0; |
| } |
| } |
| } |
| } |
| #endif |
| |
| #include <boost/config/abi_suffix.hpp> |
| |
| #endif |