首先,这不是我的代码。我需要压缩文件,所以复制、粘贴、一些编辑代码。
直到昨天,它还在工作。但是今天,当我重建这段代码时,我觉得有些不好。这段代码卡在某个地方。现在也许我发现了问题。创建线程的地址和退出线程的地址是不同的。
让我们看一下代码:
void compress(char* zipNamePath, char* targetFolderPath)
{
DWORD strlen = 0;
char szFrom[256],
szTo[256];
strcpy(szFrom, targetFolderPath);
strcpy(szTo, zipNamePath);
HRESULT hResult;
IShellDispatch *pISD;
Folder *pToFolder = NULL;
VARIANT vDir, vFile, vOpt;
BSTR strptr1, strptr2;
CoInitialize(NULL);
hResult = CoCreateInstance(CLSID_Shell, NULL, CLSCTX_INPROC_SERVER, IID_IShellDispatch, (void **)&pISD);
if (SUCCEEDED(hResult) && pISD != NULL)
{
strlen = MultiByteToWideChar(CP_ACP, 0, szTo, -1, 0, 0);
strptr1 = SysAllocStringLen(0, strlen);
MultiByteToWideChar(CP_ACP, 0, szTo, -1, strptr1, strlen);
VariantInit(&vDir);
vDir.vt = VT_BSTR;
vDir.bstrVal = strptr1;
hResult = pISD->NameSpace(vDir, &pToFolder);
if (SUCCEEDED(hResult))
{
strlen = MultiByteToWideChar(CP_ACP, 0, szFrom, -1, 0, 0);
strptr2 = SysAllocStringLen(0, strlen);
MultiByteToWideChar(CP_ACP, 0, szFrom, -1, strptr2, strlen);
VariantInit(&vFile);
vFile.vt = VT_BSTR;
vFile.bstrVal = strptr2;
VariantInit(&vOpt);
vOpt.vt = VT_I4;
vOpt.lVal = 4; // Do not display a progress dialog box
hResult = NULL;
printf("Copying %s to %s ...\n", szFrom, szTo);
hResult = pToFolder->CopyHere(vFile, vOpt); //NOTE: this appears to always return S_OK even on error
/*
* 1) Enumerate current threads in the process using Thread32First/Thread32Next
* 2) Start the operation
* 3) Enumerate the threads again
* 4) Wait for any new threads using WaitForMultipleObjects
*
* Of course, if the operation creates any new threads that don't exit, then you have a problem.
*/
if (hResult == S_OK) {
//NOTE: hard-coded for testing - be sure not to overflow the array if > 5 threads exist
HANDLE hThrd[5];
HANDLE h = CreateToolhelp32Snapshot(TH32CS_SNAPALL ,0); //TH32CS_SNAPMODULE, 0);
DWORD NUM_THREADS = 0;
if (h != INVALID_HANDLE_VALUE) {
THREADENTRY32 te;
te.dwSize = sizeof(te);
if (Thread32First(h, &te)) {
do {
if (te.dwSize >= (FIELD_OFFSET(THREADENTRY32, th32OwnerProcessID) + sizeof(te.th32OwnerProcessID)) ) {
//only enumerate threads that are called by this process and not the main thread
if((te.th32OwnerProcessID == GetCurrentProcessId()) && (te.th32ThreadID != GetCurrentThreadId()) ){
printf("Process 0x%04x Thread 0x%04x\n", te.th32OwnerProcessID, te.th32ThreadID);
hThrd[NUM_THREADS] = OpenThread(THREAD_ALL_ACCESS, FALSE, te.th32ThreadID);
NUM_THREADS++;
}
}
te.dwSize = sizeof(te);
} while (Thread32Next(h, &te));
}
//CloseHandle(h);
printf("waiting for all threads to exit...\n");
//Wait for all threads to exit
WaitForMultipleObjects(NUM_THREADS, hThrd , TRUE , INFINITE);
//Close All handles
for ( DWORD i = 0; i < NUM_THREADS ; i++ ){
CloseHandle( hThrd[i] );
}
} //if invalid handle
} //if CopyHere() hResult is S_OK
SysFreeString(strptr2);
pToFolder->Release();
}
SysFreeString(strptr1);
pISD->Release();
}
CoUninitialize();
printf ("Press ENTER to exit\n");
getchar();
}
问题部分是:
if (Thread32First(h, &te)) {
do {
if (te.dwSize >= (FIELD_OFFSET(THREADENTRY32, th32OwnerProcessID) + sizeof(te.th32OwnerProcessID)) ) {
//only enumerate threads that are called by this process and not the main thread
if((te.th32OwnerProcessID == GetCurrentProcessId()) && (te.th32ThreadID != GetCurrentThreadId()) ){
printf("Process 0x%04x Thread 0x%04x\n", te.th32OwnerProcessID, te.th32ThreadID);
hThrd[NUM_THREADS] = OpenThread(THREAD_ALL_ACCESS, FALSE, te.th32ThreadID);
NUM_THREADS++;
}
}
te.dwSize = sizeof(te);
} while (Thread32Next(h, &te));
}
当它们被创建时,这些线程地址是:
0x0de4, 0x0e34
当它们退出时,这些线程地址是:
0x0fbc, 0x0e34
第一个线程的地址已更改。请帮我。它必须在韩国的感恩节之前完成。