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87 lines
2.2 KiB
87 lines
2.2 KiB
/*****************************************************************************
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*
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* pipe.cpp
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*
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* Run a command, reading its output.
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*
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*****************************************************************************/
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#include "sdview.h"
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void ChildProcess::Start(LPCTSTR pszCommand)
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{
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SECURITY_ATTRIBUTES sa;
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sa.nLength = sizeof(sa);
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sa.lpSecurityDescriptor = NULL;
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sa.bInheritHandle = TRUE;
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HANDLE hWrite;
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BOOL fSuccess = CreatePipe(&_hRead, &hWrite, &sa, 0);
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if (fSuccess) {
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STARTUPINFO si = { 0 };
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PROCESS_INFORMATION pi;
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si.cb = sizeof(si);
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si.dwFlags = STARTF_USESTDHANDLES;
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si.hStdInput = GetStdHandle(STD_INPUT_HANDLE);
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si.hStdOutput = hWrite;
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// Dup stdout to stderr in case client closes one of them.
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if (DuplicateHandle(GetCurrentProcess(), hWrite,
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GetCurrentProcess(), &si.hStdError, 0,
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TRUE, DUPLICATE_SAME_ACCESS)) {
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TCHAR szCommand[MAX_PATH];
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lstrcpyn(szCommand, pszCommand, ARRAYSIZE(szCommand));
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fSuccess = CreateProcess(NULL, szCommand, NULL, NULL, TRUE,
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CREATE_NEW_PROCESS_GROUP | CREATE_NO_WINDOW | DETACHED_PROCESS,
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NULL, NULL, &si, &pi);
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if (fSuccess) {
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CloseHandle(pi.hThread);
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_hProcess = pi.hProcess;
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_dwPid = pi.dwProcessId;
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}
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CloseHandle(si.hStdError);
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}
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CloseHandle(hWrite);
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}
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}
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void ChildProcess::Stop()
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{
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if (_hProcess) {
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CloseHandle(_hProcess);
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_hProcess = NULL;
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}
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if (_hRead) {
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CloseHandle(_hRead);
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_hRead = NULL;
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}
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_dwPid = 0;
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}
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void ChildProcess::Kill()
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{
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if (_dwPid) {
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GenerateConsoleCtrlEvent(CTRL_BREAK_EVENT, _dwPid);
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}
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}
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SDChildProcess::SDChildProcess(LPCTSTR pszCommand)
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{
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String str;
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str << QuoteSpaces(GlobalSettings.GetSdPath()) << TEXT(" ") <<
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GlobalSettings.GetSdOpts() << TEXT(" ");
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if (!GlobalSettings.GetFakeDir().IsEmpty()) {
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str << TEXT("-d ") << QuoteSpaces(GlobalSettings.GetFakeDir()) << TEXT(" ");
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}
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str << pszCommand;
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Start(str);
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}
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