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Diffstat (limited to 'qmake/qpopen.cpp')
| -rw-r--r-- | qmake/qpopen.cpp | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/qmake/qpopen.cpp b/qmake/qpopen.cpp new file mode 100644 index 0000000..ebde035 --- /dev/null +++ b/qmake/qpopen.cpp @@ -0,0 +1,143 @@ +/**************************************************************************** +** +** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the $MODULE$ of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain +** additional rights. These rights are described in the Nokia Qt LGPL +** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qpopen.h" + + +QPopen::QPopen() +{ +} + +bool QPopen::init(const char *command, const char* /* mode */) +{ + SECURITY_ATTRIBUTES attributes; + + attributes.nLength = sizeof(SECURITY_ATTRIBUTES); + attributes.bInheritHandle = TRUE; + attributes.lpSecurityDescriptor = NULL; + + if (! CreatePipe(&childStdOutR, &childStdOutW, &attributes, 0)) { + return false; + } + + // Ensure that the read handle to the child process's pipe for STDOUT is not inherited. + SetHandleInformation( childStdOutR, HANDLE_FLAG_INHERIT, 0); + + // Create a pipe for the child process's STDIN. + if (! CreatePipe(&childStdInR, &childStdInW, &attributes, 0)) { + return false; + } + + // Ensure that the write handle to the child process's pipe for STDIN is not inherited. + SetHandleInformation( childStdInW, HANDLE_FLAG_INHERIT, 0); + + //TCHAR szCmdline[strlen(command)]=TEXT(command); + TCHAR *szCmdLine = new TCHAR[strlen(command)+1]; + strcpy(szCmdLine, command); + + // Set up members of the PROCESS_INFORMATION structure. + + ZeroMemory( &processInfo, sizeof(PROCESS_INFORMATION) ); + + // Set up members of the STARTUPINFO structure. + + ZeroMemory( &siStartInfo, sizeof(STARTUPINFO) ); + siStartInfo.cb = sizeof(STARTUPINFO); + siStartInfo.hStdError = childStdOutW; + siStartInfo.hStdOutput = childStdOutW; + siStartInfo.hStdInput = childStdInR; + siStartInfo.dwFlags |= STARTF_USESTDHANDLES; + + // Create the child process. + + bool success = CreateProcess(NULL, + szCmdLine, // command line + NULL, // process security attributes + NULL, // primary thread security attributes + TRUE, // handles are inherited + 0, // creation flags + NULL, // use parent's environment + NULL, // use parent's current directory + &siStartInfo, // STARTUPINFO pointer + &processInfo); // receives PROCESS_INFORMATION + + delete szCmdLine; + + return success; +} + +QPopen::~QPopen() +{ + CloseHandle(processInfo.hProcess); + CloseHandle(processInfo.hThread); + CloseHandle(childStdInR); + CloseHandle(childStdInW); + CloseHandle(childStdOutR); + CloseHandle(childStdOutW); +} + +int QPopen::fwrite(char* buffer, int maxBytes) +{ + DWORD bytesWritten; + + bool success = WriteFile(childStdInW, buffer, maxBytes, &bytesWritten, NULL); + if(success) { + return bytesWritten; + } + + return 0; +} + + +int QPopen::fread(char* buffer, int maxBytes) +{ + DWORD bytesRead; + + if( !CloseHandle(childStdOutW) ) + return 0; + + bool success = ReadFile(childStdOutR, buffer, maxBytes, &bytesRead, NULL); + if(success) + return bytesRead; + + return 0; +} + |