Winapi 转换boost::线程->;XP ThreadId的本机\u句柄()
我已经通过使用GetThreadId(句柄)从boost::thread中成功地从本机\u句柄()中获取了Windows线程ID。遗憾的是,这个调用在Windows XP上不可用,在四处搜索之后,我找到了一个解决方案,通过WINAPI的Thread32First()和Thread32Next()函数遍历所有线程,从而为XP提供als回退支持 这在某种程度上确实有效,但我的问题是我目前只能识别进程的线程。。。我现在不知道如何从一侧将本机\u句柄()与循环遍历中相应的线程入口32匹配Winapi 转换boost::线程->;XP ThreadId的本机\u句柄(),winapi,boost-thread,Winapi,Boost Thread,我已经通过使用GetThreadId(句柄)从boost::thread中成功地从本机\u句柄()中获取了Windows线程ID。遗憾的是,这个调用在Windows XP上不可用,在四处搜索之后,我找到了一个解决方案,通过WINAPI的Thread32First()和Thread32Next()函数遍历所有线程,从而为XP提供als回退支持 这在某种程度上确实有效,但我的问题是我目前只能识别进程的线程。。。我现在不知道如何从一侧将本机\u句柄()与循环遍历中相应的线程入口32匹配 THREADE
THREADENTRY32 te32;
//...
do {
if( te32.th32OwnerProcessID == GetCurrentProcessId() ) {
DWORD threadId = te32.th32ThreadID;
printf( "\n THREAD ID = 0x%08X", te32.th32ThreadID );
}
} while( Thread32Next(hThreadSnap, &te32 ) );
有人能帮我吗?如何在WindowsXP上将boost::thread->native_handle()转换为ThreadId
多谢各位 将循环中的每个线程ID传递给,直到找到匹配的
句柄。例如:
HANDLE hBoostThread = ...; // from boost::thread->native_handle()
DWORD dwBoostThreadID = 0;
THREADENTRY32 te32;
//...
do
{
if( te32.th32OwnerProcessID == GetCurrentProcessId() )
{
HANDLE hThread = OpenThread(THREAD_ALL_ACCESS, FALSE, te32.th32ThreadID);
if (hThread != NULL)
{
if (hThread == hBoostThread)
{
CloseHandle(hThread);
dwBoostThreadID = te32.th32ThreadID;
break;
}
CloseHandle(hThread);
}
}
}
while( Thread32Next(hThreadSnap, &te32 ) );
为了更好地衡量,您可以将其封装在一个函数中,只要GetThreadId()
本机不可用,就可以调用该函数,这样代码就不需要知道差异,例如:
DWORD WINAPI MyGetThreadId(HANDLE Thread)
{
THREADENTRY32 te32;
HANDLE hThreadSnap = CreateToolhelp32Snapshot(TH32CS_SNAPTHREAD, 0);
if (hThreadSnap == INVALID_HANDLE_VALUE)
return 0;
if (Thread32First(hThreadSnap, &te32))
{
do
{
HANDLE hOpenThread = OpenThread(THREAD_ALL_ACCESS, FALSE, te32.th32ThreadID);
if (hOpenThread != NULL)
{
if (hOpenThread == Thread)
{
CloseHandle(hOpenThread);
CloseHandle(hThreadSnap);
return te32.th32ThreadID;
}
CloseHandle(hOpenThread);
}
}
while( Thread32Next(hThreadSnap, &te32 ) );
}
CloseHandle(hThreadSnap);
return 0;
}
因此,更好的选择是直接查询目标线程自身的ID,而不是手动查找:
typedef long (WINAPI *LPFN_NTQIT)(HANDLE thread, int infoclass, void *buf, long size, long *used);
typedef struct _THREAD_BASIC_INFORMATION
{
ULONG ExitStatus;
void* TebBaseAddress;
ULONG UniqueProcessId;
ULONG UniqueThreadId;
ULONG AffinityMask;
ULONG BasePriority;
ULONG DiffProcessPriority;
} THREAD_BASIC_INFORMATION;
DWORD WINAPI MyGetThreadId(HANDLE Thread)
{
DWORD dwThreadId = 0;
HMODULE hLib = LoadLibrary("ntdll.dll");
if (hLib != NULL)
{
LPFN_NTQIT lpNtQueryInformationThread = (LPFN_NTQIT) GetProcAddress(hLib, "NtQueryInformationThread");
if (lpNtQueryInformationThread != NULL)
{
THREAD_BASIC_INFORMATION tbi = {0};
ULONG used = 0;
if (lpNtQueryInformationThread(Thread, 0, &tbi, sizeof(tbi), &used) == 0)
dwThreadId = tbi.UniqueThreadId;
}
FreeLibrary(hLib);
}
return dwThreadId;
}
DWORD dwThreadID = lpGetThreadId((HANDLE) boost::thread->native_handle());
typedef long (WINAPI *LPFN_NTQIT)(HANDLE thread, int infoclass, void *buf, long size, long *used);
typedef struct _THREAD_BASIC_INFORMATION
{
ULONG ExitStatus;
void* TebBaseAddress;
ULONG UniqueProcessId;
ULONG UniqueThreadId;
ULONG AffinityMask;
ULONG BasePriority;
ULONG DiffProcessPriority;
} THREAD_BASIC_INFORMATION;
DWORD WINAPI MyGetThreadId(HANDLE Thread)
{
DWORD dwThreadId = 0;
HMODULE hLib = LoadLibrary("ntdll.dll");
if (hLib != NULL)
{
LPFN_NTQIT lpNtQueryInformationThread = (LPFN_NTQIT) GetProcAddress(hLib, "NtQueryInformationThread");
if (lpNtQueryInformationThread != NULL)
{
THREAD_BASIC_INFORMATION tbi = {0};
ULONG used = 0;
if (lpNtQueryInformationThread(Thread, 0, &tbi, sizeof(tbi), &used) == 0)
dwThreadId = tbi.UniqueThreadId;
}
FreeLibrary(hLib);
}
return dwThreadId;
}