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98 lines
4.5 KiB
C++
98 lines
4.5 KiB
C++
// sktoolslib - common files for SK tools
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// Copyright (C) 2012, 2017, 2020 - Stefan Kueng
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 2
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// of the License, or (at your option) any later version.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software Foundation,
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// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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//
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#pragma once
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/**
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* A helper class for invoking CreateProcess(). The lpProcessInformation
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* can point to an uninitialized struct - it's memset to all zeroes inside.
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*/
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class CCreateProcessHelper
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{
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public:
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static bool CreateProcess(LPCWSTR lpApplicationName,
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LPWSTR lpCommandLine,
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LPCWSTR lpCurrentDirectory,
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LPPROCESS_INFORMATION lpProcessInformation,
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bool hidden = false,
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DWORD dwCreationFlags = CREATE_UNICODE_ENVIRONMENT);
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static bool CreateProcess(LPCWSTR lpApplicationName,
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LPWSTR lpCommandLine,
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LPPROCESS_INFORMATION lpProcessInformation,
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bool hidden = false,
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DWORD dwCreationFlags = CREATE_UNICODE_ENVIRONMENT);
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static bool CreateProcessDetached(LPCWSTR lpApplicationName,
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LPWSTR lpCommandLine,
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LPCWSTR lpCurrentDirectory,
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bool hidden = false,
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DWORD dwCreationFlags = CREATE_UNICODE_ENVIRONMENT);
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static bool CreateProcessDetached(LPCWSTR lpApplicationName,
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LPWSTR lpCommandLine,
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bool hidden = false,
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DWORD dwCreationFlags = CREATE_UNICODE_ENVIRONMENT);
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};
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inline bool CCreateProcessHelper::CreateProcess(LPCWSTR applicationName,
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LPWSTR commandLine, LPCWSTR currentDirectory,
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LPPROCESS_INFORMATION processInfo,
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bool hidden,
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DWORD dwCreationFlags)
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{
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STARTUPINFO startupInfo;
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SecureZeroMemory(&startupInfo, sizeof(startupInfo));
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startupInfo.cb = sizeof(STARTUPINFO);
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if (hidden)
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{
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startupInfo.dwFlags = STARTF_USESHOWWINDOW;
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startupInfo.wShowWindow = SW_HIDE;
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}
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SecureZeroMemory(processInfo, sizeof(PROCESS_INFORMATION));
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const BOOL result = ::CreateProcess(applicationName,
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commandLine, nullptr, nullptr, FALSE, dwCreationFlags, 0, currentDirectory,
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&startupInfo, processInfo);
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return result != 0;
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}
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inline bool CCreateProcessHelper::CreateProcess(LPCWSTR applicationName,
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LPWSTR commandLine, LPPROCESS_INFORMATION processInformation, bool hidden, DWORD dwCreationFlags)
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{
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return CreateProcess(applicationName, commandLine, 0, processInformation, hidden, dwCreationFlags);
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}
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inline bool CCreateProcessHelper::CreateProcessDetached(LPCWSTR lpApplicationName,
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LPWSTR lpCommandLine, LPCWSTR lpCurrentDirectory, bool hidden, DWORD dwCreationFlags)
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{
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PROCESS_INFORMATION process;
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if (!CreateProcess(lpApplicationName, lpCommandLine, lpCurrentDirectory, &process, hidden, dwCreationFlags))
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return false;
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CloseHandle(process.hThread);
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CloseHandle(process.hProcess);
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return true;
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}
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inline bool CCreateProcessHelper::CreateProcessDetached(LPCWSTR lpApplicationName,
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LPWSTR lpCommandLine, bool hidden, DWORD dwCreationFlags)
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{
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return CreateProcessDetached(lpApplicationName, lpCommandLine, 0, hidden, dwCreationFlags);
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}
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