671 lines
23 KiB
C++
671 lines
23 KiB
C++
#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/thread/detail/config.hpp>
|
|
#include <boost/predef/platform.h>
|
|
#include <boost/throw_exception.hpp>
|
|
#include <boost/assert.hpp>
|
|
#include <boost/thread/exceptions.hpp>
|
|
#include <boost/detail/interlocked.hpp>
|
|
#include <boost/detail/winapi/config.hpp>
|
|
//#include <boost/detail/winapi/synchronization.hpp>
|
|
#include <algorithm>
|
|
|
|
#if BOOST_PLAT_WINDOWS_RUNTIME
|
|
#include <thread>
|
|
#endif
|
|
|
|
#if defined( BOOST_USE_WINDOWS_H )
|
|
# include <windows.h>
|
|
|
|
namespace boost
|
|
{
|
|
namespace detail
|
|
{
|
|
namespace win32
|
|
{
|
|
typedef HANDLE handle;
|
|
typedef SYSTEM_INFO system_info;
|
|
typedef unsigned __int64 ticks_type;
|
|
typedef FARPROC farproc_t;
|
|
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;
|
|
unsigned const wait_abandoned=WAIT_ABANDONED;
|
|
unsigned const create_event_initial_set = 0x00000002;
|
|
unsigned const create_event_manual_reset = 0x00000001;
|
|
unsigned const event_all_access = EVENT_ALL_ACCESS;
|
|
unsigned const semaphore_all_access = SEMAPHORE_ALL_ACCESS;
|
|
|
|
|
|
# ifdef BOOST_NO_ANSI_APIS
|
|
# if BOOST_USE_WINAPI_VERSION < BOOST_WINAPI_VERSION_VISTA
|
|
using ::CreateMutexW;
|
|
using ::CreateEventW;
|
|
using ::CreateSemaphoreW;
|
|
# else
|
|
using ::CreateMutexExW;
|
|
using ::CreateEventExW;
|
|
using ::CreateSemaphoreExW;
|
|
# endif
|
|
using ::OpenEventW;
|
|
using ::GetModuleHandleW;
|
|
# else
|
|
using ::CreateMutexA;
|
|
using ::CreateEventA;
|
|
using ::OpenEventA;
|
|
using ::CreateSemaphoreA;
|
|
using ::GetModuleHandleA;
|
|
# endif
|
|
#if BOOST_PLAT_WINDOWS_RUNTIME
|
|
using ::GetNativeSystemInfo;
|
|
using ::GetTickCount64;
|
|
#else
|
|
using ::GetSystemInfo;
|
|
using ::GetTickCount;
|
|
#endif
|
|
using ::CloseHandle;
|
|
using ::ReleaseMutex;
|
|
using ::ReleaseSemaphore;
|
|
using ::SetEvent;
|
|
using ::ResetEvent;
|
|
using ::WaitForMultipleObjectsEx;
|
|
using ::WaitForSingleObjectEx;
|
|
using ::GetCurrentProcessId;
|
|
using ::GetCurrentThreadId;
|
|
using ::GetCurrentThread;
|
|
using ::GetCurrentProcess;
|
|
using ::DuplicateHandle;
|
|
#if !BOOST_PLAT_WINDOWS_RUNTIME
|
|
using ::SleepEx;
|
|
using ::Sleep;
|
|
using ::QueueUserAPC;
|
|
using ::GetProcAddress;
|
|
#endif
|
|
}
|
|
}
|
|
}
|
|
#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
|
|
|
|
# ifdef __cplusplus
|
|
extern "C" {
|
|
# endif
|
|
struct _SYSTEM_INFO;
|
|
# ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
namespace boost
|
|
{
|
|
namespace detail
|
|
{
|
|
namespace win32
|
|
{
|
|
# ifdef _WIN64
|
|
typedef unsigned __int64 ulong_ptr;
|
|
# else
|
|
typedef unsigned long ulong_ptr;
|
|
# endif
|
|
typedef void* handle;
|
|
typedef _SYSTEM_INFO system_info;
|
|
typedef unsigned __int64 ticks_type;
|
|
typedef int (__stdcall *farproc_t)();
|
|
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;
|
|
unsigned const wait_abandoned=0x00000080u;
|
|
unsigned const create_event_initial_set = 0x00000002;
|
|
unsigned const create_event_manual_reset = 0x00000001;
|
|
unsigned const event_all_access = 0x1F0003;
|
|
unsigned const semaphore_all_access = 0x1F0003;
|
|
|
|
extern "C"
|
|
{
|
|
struct _SECURITY_ATTRIBUTES;
|
|
# ifdef BOOST_NO_ANSI_APIS
|
|
# if BOOST_USE_WINAPI_VERSION < BOOST_WINAPI_VERSION_VISTA
|
|
__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*);
|
|
# else
|
|
__declspec(dllimport) void* __stdcall CreateMutexExW(_SECURITY_ATTRIBUTES*,wchar_t const*,unsigned long,unsigned long);
|
|
__declspec(dllimport) void* __stdcall CreateEventExW(_SECURITY_ATTRIBUTES*,wchar_t const*,unsigned long,unsigned long);
|
|
__declspec(dllimport) void* __stdcall CreateSemaphoreExW(_SECURITY_ATTRIBUTES*,long,long,wchar_t const*,unsigned long,unsigned long);
|
|
# endif
|
|
__declspec(dllimport) void* __stdcall OpenEventW(unsigned long,int,wchar_t const*);
|
|
__declspec(dllimport) void* __stdcall GetModuleHandleW(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*);
|
|
__declspec(dllimport) void* __stdcall GetModuleHandleA(char const*);
|
|
# endif
|
|
#if BOOST_PLAT_WINDOWS_RUNTIME
|
|
__declspec(dllimport) void __stdcall GetNativeSystemInfo(_SYSTEM_INFO*);
|
|
__declspec(dllimport) ticks_type __stdcall GetTickCount64();
|
|
#else
|
|
__declspec(dllimport) void __stdcall GetSystemInfo(_SYSTEM_INFO*);
|
|
__declspec(dllimport) unsigned long __stdcall GetTickCount();
|
|
#endif
|
|
__declspec(dllimport) int __stdcall CloseHandle(void*);
|
|
__declspec(dllimport) int __stdcall ReleaseMutex(void*);
|
|
__declspec(dllimport) unsigned long __stdcall WaitForSingleObjectEx(void*,unsigned long,int);
|
|
__declspec(dllimport) unsigned long __stdcall WaitForMultipleObjectsEx(unsigned long nCount,void* const * lpHandles,int bWaitAll,unsigned long dwMilliseconds,int bAlertable);
|
|
__declspec(dllimport) int __stdcall ReleaseSemaphore(void*,long,long*);
|
|
__declspec(dllimport) int __stdcall DuplicateHandle(void*,void*,void*,void**,unsigned long,int,unsigned long);
|
|
#if !BOOST_PLAT_WINDOWS_RUNTIME
|
|
__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) farproc_t __stdcall GetProcAddress(void *, const char *);
|
|
#endif
|
|
|
|
# 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
|
|
{
|
|
namespace detail { typedef ticks_type (__stdcall *gettickcount64_t)(); }
|
|
#if !BOOST_PLAT_WINDOWS_RUNTIME
|
|
extern "C"
|
|
{
|
|
#ifdef _MSC_VER
|
|
long _InterlockedCompareExchange(long volatile *, long, long);
|
|
#pragma intrinsic(_InterlockedCompareExchange)
|
|
#elif defined(__MINGW64_VERSION_MAJOR)
|
|
long _InterlockedCompareExchange(long volatile *, long, long);
|
|
#else
|
|
// Mingw doesn't provide intrinsics
|
|
#define _InterlockedCompareExchange InterlockedCompareExchange
|
|
#endif
|
|
}
|
|
// Borrowed from https://stackoverflow.com/questions/8211820/userland-interrupt-timer-access-such-as-via-kequeryinterrupttime-or-similar
|
|
inline ticks_type __stdcall GetTickCount64emulation()
|
|
{
|
|
static volatile long count = 0xFFFFFFFF;
|
|
unsigned long previous_count, current_tick32, previous_count_zone, current_tick32_zone;
|
|
ticks_type current_tick64;
|
|
|
|
previous_count = (unsigned long) _InterlockedCompareExchange(&count, 0, 0);
|
|
current_tick32 = GetTickCount();
|
|
|
|
if(previous_count == 0xFFFFFFFF)
|
|
{
|
|
// count has never been written
|
|
unsigned long initial_count;
|
|
initial_count = current_tick32 >> 28;
|
|
previous_count = (unsigned long) _InterlockedCompareExchange(&count, initial_count, 0xFFFFFFFF);
|
|
|
|
current_tick64 = initial_count;
|
|
current_tick64 <<= 28;
|
|
current_tick64 += current_tick32 & 0x0FFFFFFF;
|
|
return current_tick64;
|
|
}
|
|
|
|
previous_count_zone = previous_count & 15;
|
|
current_tick32_zone = current_tick32 >> 28;
|
|
|
|
if(current_tick32_zone == previous_count_zone)
|
|
{
|
|
// The top four bits of the 32-bit tick count haven't changed since count was last written.
|
|
current_tick64 = previous_count;
|
|
current_tick64 <<= 28;
|
|
current_tick64 += current_tick32 & 0x0FFFFFFF;
|
|
return current_tick64;
|
|
}
|
|
|
|
if(current_tick32_zone == previous_count_zone + 1 || (current_tick32_zone == 0 && previous_count_zone == 15))
|
|
{
|
|
// The top four bits of the 32-bit tick count have been incremented since count was last written.
|
|
_InterlockedCompareExchange(&count, previous_count + 1, previous_count);
|
|
current_tick64 = previous_count + 1;
|
|
current_tick64 <<= 28;
|
|
current_tick64 += current_tick32 & 0x0FFFFFFF;
|
|
return current_tick64;
|
|
}
|
|
|
|
// Oops, we weren't called often enough, we're stuck
|
|
return 0xFFFFFFFF;
|
|
}
|
|
#else
|
|
#endif
|
|
inline detail::gettickcount64_t GetTickCount64_()
|
|
{
|
|
static detail::gettickcount64_t gettickcount64impl;
|
|
if(gettickcount64impl)
|
|
return gettickcount64impl;
|
|
|
|
// GetTickCount and GetModuleHandle are not allowed in the Windows Runtime,
|
|
// and kernel32 isn't used in Windows Phone.
|
|
#if BOOST_PLAT_WINDOWS_RUNTIME
|
|
gettickcount64impl = &GetTickCount64;
|
|
#else
|
|
farproc_t addr=GetProcAddress(
|
|
#if !defined(BOOST_NO_ANSI_APIS)
|
|
GetModuleHandleA("KERNEL32.DLL"),
|
|
#else
|
|
GetModuleHandleW(L"KERNEL32.DLL"),
|
|
#endif
|
|
"GetTickCount64");
|
|
if(addr)
|
|
gettickcount64impl=(detail::gettickcount64_t) addr;
|
|
else
|
|
gettickcount64impl=&GetTickCount64emulation;
|
|
#endif
|
|
return gettickcount64impl;
|
|
}
|
|
|
|
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_event(
|
|
#if !defined(BOOST_NO_ANSI_APIS)
|
|
const char *mutex_name,
|
|
#else
|
|
const wchar_t *mutex_name,
|
|
#endif
|
|
event_type type,
|
|
initial_event_state state)
|
|
{
|
|
#if !defined(BOOST_NO_ANSI_APIS)
|
|
handle const res = win32::CreateEventA(0, type, state, mutex_name);
|
|
#elif BOOST_USE_WINAPI_VERSION < BOOST_WINAPI_VERSION_VISTA
|
|
handle const res = win32::CreateEventW(0, type, state, mutex_name);
|
|
#else
|
|
handle const res = win32::CreateEventExW(
|
|
0,
|
|
mutex_name,
|
|
type ? create_event_manual_reset : 0 | state ? create_event_initial_set : 0,
|
|
event_all_access);
|
|
#endif
|
|
return res;
|
|
}
|
|
|
|
inline handle create_anonymous_event(event_type type,initial_event_state state)
|
|
{
|
|
handle const res = create_event(0, type, state);
|
|
if(!res)
|
|
{
|
|
boost::throw_exception(thread_resource_error());
|
|
}
|
|
return res;
|
|
}
|
|
|
|
inline handle create_anonymous_semaphore_nothrow(long initial_count,long max_count)
|
|
{
|
|
#if !defined(BOOST_NO_ANSI_APIS)
|
|
handle const res=win32::CreateSemaphoreA(0,initial_count,max_count,0);
|
|
#else
|
|
#if BOOST_USE_WINAPI_VERSION < BOOST_WINAPI_VERSION_VISTA
|
|
handle const res=win32::CreateSemaphoreEx(0,initial_count,max_count,0,0);
|
|
#else
|
|
handle const res=win32::CreateSemaphoreExW(0,initial_count,max_count,0,0,semaphore_all_access);
|
|
#endif
|
|
#endif
|
|
return res;
|
|
}
|
|
|
|
inline handle create_anonymous_semaphore(long initial_count,long max_count)
|
|
{
|
|
handle const res=create_anonymous_semaphore_nothrow(initial_count,max_count);
|
|
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);
|
|
}
|
|
|
|
inline void get_system_info(system_info *info)
|
|
{
|
|
#if BOOST_PLAT_WINDOWS_RUNTIME
|
|
win32::GetNativeSystemInfo(info);
|
|
#else
|
|
win32::GetSystemInfo(info);
|
|
#endif
|
|
}
|
|
|
|
inline void sleep(unsigned long milliseconds)
|
|
{
|
|
if(milliseconds == 0)
|
|
{
|
|
#if BOOST_PLAT_WINDOWS_RUNTIME
|
|
std::this_thread::yield();
|
|
#else
|
|
::boost::detail::win32::Sleep(0);
|
|
#endif
|
|
}
|
|
else
|
|
{
|
|
#if BOOST_PLAT_WINDOWS_RUNTIME
|
|
::boost::detail::win32::WaitForSingleObjectEx(::boost::detail::win32::GetCurrentThread(), milliseconds, 0);
|
|
#else
|
|
::boost::detail::win32::Sleep(milliseconds);
|
|
#endif
|
|
}
|
|
}
|
|
|
|
#if BOOST_PLAT_WINDOWS_RUNTIME
|
|
class BOOST_THREAD_DECL scoped_winrt_thread
|
|
{
|
|
public:
|
|
scoped_winrt_thread() : m_completionHandle(invalid_handle_value)
|
|
{}
|
|
|
|
~scoped_winrt_thread()
|
|
{
|
|
if (m_completionHandle != ::boost::detail::win32::invalid_handle_value)
|
|
{
|
|
CloseHandle(m_completionHandle);
|
|
}
|
|
}
|
|
|
|
typedef unsigned(__stdcall * thread_func)(void *);
|
|
bool start(thread_func address, void *parameter, unsigned int *thrdId);
|
|
|
|
handle waitable_handle() const
|
|
{
|
|
BOOST_ASSERT(m_completionHandle != ::boost::detail::win32::invalid_handle_value);
|
|
return m_completionHandle;
|
|
}
|
|
|
|
private:
|
|
handle m_completionHandle;
|
|
};
|
|
#endif
|
|
class BOOST_THREAD_DECL 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)
|
|
{
|
|
#ifndef BOOST_INTEL_CXX_VERSION
|
|
__asm {
|
|
mov eax,bit;
|
|
mov edx,x;
|
|
lock bts [edx],eax;
|
|
setc al;
|
|
};
|
|
#else
|
|
bool ret;
|
|
__asm {
|
|
mov eax,bit
|
|
mov edx,x
|
|
lock bts [edx],eax
|
|
setc al
|
|
mov ret, al
|
|
};
|
|
return ret;
|
|
|
|
#endif
|
|
}
|
|
|
|
inline bool interlocked_bit_test_and_reset(long* x,long bit)
|
|
{
|
|
#ifndef BOOST_INTEL_CXX_VERSION
|
|
__asm {
|
|
mov eax,bit;
|
|
mov edx,x;
|
|
lock btr [edx],eax;
|
|
setc al;
|
|
};
|
|
#else
|
|
bool ret;
|
|
__asm {
|
|
mov eax,bit
|
|
mov edx,x
|
|
lock btr [edx],eax
|
|
setc al
|
|
mov ret, al
|
|
};
|
|
return ret;
|
|
|
|
#endif
|
|
}
|
|
|
|
}
|
|
}
|
|
}
|
|
#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
|