mirror of
https://github.com/VCMP-SqMod/SqMod.git
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4a6bfc086c
Switched to POCO library for unified platform/library interface. Deprecated the external module API. It was creating more problems than solving. Removed most built-in libraries in favor of system libraries for easier maintenance. Cleaned and secured code with help from static analyzers.
98 lines
1.7 KiB
C++
98 lines
1.7 KiB
C++
//
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// PipeImpl_WIN32.cpp
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//
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// Library: Foundation
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// Package: Processes
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// Module: PipeImpl
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//
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// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
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// and Contributors.
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//
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// SPDX-License-Identifier: BSL-1.0
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//
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#include "Poco/PipeImpl_WIN32.h"
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#include "Poco/Exception.h"
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namespace Poco {
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PipeImpl::PipeImpl()
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{
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SECURITY_ATTRIBUTES attr;
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attr.nLength = sizeof(attr);
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attr.lpSecurityDescriptor = NULL;
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attr.bInheritHandle = FALSE;
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if (!CreatePipe(&_readHandle, &_writeHandle, &attr, 0))
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throw CreateFileException("anonymous pipe");
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}
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PipeImpl::~PipeImpl()
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{
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closeRead();
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closeWrite();
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}
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int PipeImpl::writeBytes(const void* buffer, int length)
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{
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poco_assert (_writeHandle != INVALID_HANDLE_VALUE);
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DWORD bytesWritten = 0;
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if (!WriteFile(_writeHandle, buffer, length, &bytesWritten, NULL))
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throw WriteFileException("anonymous pipe");
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return bytesWritten;
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}
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int PipeImpl::readBytes(void* buffer, int length)
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{
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poco_assert (_readHandle != INVALID_HANDLE_VALUE);
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DWORD bytesRead = 0;
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BOOL ok = ReadFile(_readHandle, buffer, length, &bytesRead, NULL);
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if (ok || GetLastError() == ERROR_BROKEN_PIPE)
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return bytesRead;
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else
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throw ReadFileException("anonymous pipe");
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}
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PipeImpl::Handle PipeImpl::readHandle() const
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{
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return _readHandle;
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}
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PipeImpl::Handle PipeImpl::writeHandle() const
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{
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return _writeHandle;
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}
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void PipeImpl::closeRead()
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{
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if (_readHandle != INVALID_HANDLE_VALUE)
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{
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CloseHandle(_readHandle);
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_readHandle = INVALID_HANDLE_VALUE;
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}
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}
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void PipeImpl::closeWrite()
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{
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if (_writeHandle != INVALID_HANDLE_VALUE)
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{
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CloseHandle(_writeHandle);
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_writeHandle = INVALID_HANDLE_VALUE;
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}
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}
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} // namespace Poco
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