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Diffstat (limited to 'qmake/qpopen.cpp')
-rw-r--r-- | qmake/qpopen.cpp | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/qmake/qpopen.cpp b/qmake/qpopen.cpp new file mode 100644 index 0000000..3b0e2da --- /dev/null +++ b/qmake/qpopen.cpp @@ -0,0 +1,113 @@ +/**************************************************************************** +** +** 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. +** +** $TROLLTECH_DUAL_LICENSE$ +** +****************************************************************************/ + +#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; +} + |