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.
112 lines
1.4 KiB
C++
112 lines
1.4 KiB
C++
//
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// PipeImpl_POSIX.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_POSIX.h"
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#include "Poco/Exception.h"
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#include <sys/types.h>
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#include <unistd.h>
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#include <errno.h>
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namespace Poco {
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PipeImpl::PipeImpl()
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{
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int fds[2];
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int rc = pipe(fds);
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if (rc == 0)
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{
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_readfd = fds[0];
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_writefd = fds[1];
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}
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else 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 (_writefd != -1);
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int n;
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do
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{
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n = write(_writefd, buffer, length);
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}
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while (n < 0 && errno == EINTR);
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if (n >= 0)
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return n;
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else
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throw WriteFileException("anonymous pipe");
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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 (_readfd != -1);
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int n;
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do
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{
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n = read(_readfd, buffer, length);
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}
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while (n < 0 && errno == EINTR);
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if (n >= 0)
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return n;
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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 _readfd;
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}
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PipeImpl::Handle PipeImpl::writeHandle() const
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{
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return _writefd;
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}
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void PipeImpl::closeRead()
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{
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if (_readfd != -1)
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{
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close(_readfd);
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_readfd = -1;
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}
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}
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void PipeImpl::closeWrite()
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{
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if (_writefd != -1)
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{
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close(_writefd);
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_writefd = -1;
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}
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}
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} // namespace Poco
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