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locks; strict; comment @// @; 1.1 date 2013.02.23.12.34.07; author jmmv; state Exp; branches 1.1.1.1; next ; 1.1.1.1 date 2013.02.23.12.34.07; author jmmv; state Exp; branches 1.1.1.1.4.1 1.1.1.1.12.1; next ; 1.1.1.1.4.1 date 2013.02.23.12.34.07; author tls; state dead; branches; next 1.1.1.1.4.2; 1.1.1.1.4.2 date 2013.02.25.00.26.18; author tls; state Exp; branches; next ; 1.1.1.1.12.1 date 2013.02.23.12.34.07; author yamt; state dead; branches; next 1.1.1.1.12.2; commitid h3iiOYJJCkPr7yBx; 1.1.1.1.12.2 date 2014.05.22.15.45.30; author yamt; state Exp; branches; next ; commitid h3iiOYJJCkPr7yBx; desc @@ 1.1 log @Initial revision @ text @// Copyright 2010 Google Inc. // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above copyright // notice, this list of conditions and the following disclaimer in the // documentation and/or other materials provided with the distribution. // * Neither the name of Google Inc. nor the names of its contributors // may be used to endorse or promote products derived from this software // without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. #include "utils/process/systembuf.hpp" extern "C" { #include } #include "utils/auto_array.ipp" #include "utils/sanity.hpp" using utils::process::systembuf; /// Private implementation fields for systembuf. struct systembuf::impl { /// File descriptor attached to the systembuf. int _fd; /// Size of the _read_buf and _write_buf buffers. std::size_t _bufsize; /// In-memory buffer for read operations. utils::auto_array< char > _read_buf; /// In-memory buffer for write operations. utils::auto_array< char > _write_buf; /// Initializes private implementation data. /// /// \param fd The file descriptor. /// \param bufsize The size of the created read and write buffers. impl(const int fd, const std::size_t bufsize) : _fd(fd), _bufsize(bufsize), _read_buf(new char[bufsize]), _write_buf(new char[bufsize]) { } }; /// Constructs a new systembuf based on an open file descriptor. /// /// This grabs ownership of the file descriptor. /// /// \param fd The file descriptor to wrap. Must be open and valid. /// \param bufsize The size to use for the internal read/write buffers. systembuf::systembuf(const int fd, std::size_t bufsize) : _pimpl(new impl(fd, bufsize)) { setp(_pimpl->_write_buf.get(), _pimpl->_write_buf.get() + _pimpl->_bufsize); } /// Destroys a systembuf object. /// /// \post The file descriptor attached to this systembuf is closed. systembuf::~systembuf(void) { ::close(_pimpl->_fd); } /// Reads new data when the systembuf read buffer underflows. /// /// \return The new character to be read, or EOF if no more. systembuf::int_type systembuf::underflow(void) { PRE(gptr() >= egptr()); bool ok; ssize_t cnt = ::read(_pimpl->_fd, _pimpl->_read_buf.get(), _pimpl->_bufsize); ok = (cnt != -1 && cnt != 0); if (!ok) return traits_type::eof(); else { setg(_pimpl->_read_buf.get(), _pimpl->_read_buf.get(), _pimpl->_read_buf.get() + cnt); return traits_type::to_int_type(*gptr()); } } /// Writes data to the file descriptor when the write buffer overflows. /// /// \param c The character that causes the overflow. /// /// \return EOF if error, some other value for success. /// /// \throw something TODO(jmmv): According to the documentation, it is OK for /// this method to throw in case of errors. Revisit this code to see if we /// can do better. systembuf::int_type systembuf::overflow(int c) { PRE(pptr() >= epptr()); if (sync() == -1) return traits_type::eof(); if (!traits_type::eq_int_type(c, traits_type::eof())) { traits_type::assign(*pptr(), c); pbump(1); } return traits_type::not_eof(c); } /// Synchronizes the stream with the file descriptor. /// /// \return 0 on success, -1 on error. int systembuf::sync(void) { ssize_t cnt = pptr() - pbase(); bool ok; ok = ::write(_pimpl->_fd, pbase(), cnt) == cnt; if (ok) pbump(-cnt); return ok ? 0 : -1; } @ 1.1.1.1 log @Initial import of Kyua CLI, version 0.6: This is the main component of Kyua and its build will be guarded by the MKKYUA knob. core@@ has approved this import. Description: Kyua (pronounced Q.A.) is a testing framework for both developers and users. Kyua is different from most other testing frameworks in that it puts the end user experience before anything else. There are multiple reasons for users to run the tests themselves, and Kyua ensures that they can do so in the most convenient way. This module, kyua-cli, provides the command-line interface to the Kyua runtime system. The major purpose of this tool is to run test cases and generate unified reports for their results. @ text @@ 1.1.1.1.12.1 log @file systembuf.cpp was added on branch yamt-pagecache on 2014-05-22 15:45:30 +0000 @ text @d1 151 @ 1.1.1.1.12.2 log @sync with head. for a reference, the tree before this commit was tagged as yamt-pagecache-tag8. this commit was splitted into small chunks to avoid a limitation of cvs. ("Protocol error: too many arguments") @ text @a0 151 // Copyright 2010 Google Inc. // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above copyright // notice, this list of conditions and the following disclaimer in the // documentation and/or other materials provided with the distribution. // * Neither the name of Google Inc. nor the names of its contributors // may be used to endorse or promote products derived from this software // without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. #include "utils/process/systembuf.hpp" extern "C" { #include } #include "utils/auto_array.ipp" #include "utils/sanity.hpp" using utils::process::systembuf; /// Private implementation fields for systembuf. struct systembuf::impl { /// File descriptor attached to the systembuf. int _fd; /// Size of the _read_buf and _write_buf buffers. std::size_t _bufsize; /// In-memory buffer for read operations. utils::auto_array< char > _read_buf; /// In-memory buffer for write operations. utils::auto_array< char > _write_buf; /// Initializes private implementation data. /// /// \param fd The file descriptor. /// \param bufsize The size of the created read and write buffers. impl(const int fd, const std::size_t bufsize) : _fd(fd), _bufsize(bufsize), _read_buf(new char[bufsize]), _write_buf(new char[bufsize]) { } }; /// Constructs a new systembuf based on an open file descriptor. /// /// This grabs ownership of the file descriptor. /// /// \param fd The file descriptor to wrap. Must be open and valid. /// \param bufsize The size to use for the internal read/write buffers. systembuf::systembuf(const int fd, std::size_t bufsize) : _pimpl(new impl(fd, bufsize)) { setp(_pimpl->_write_buf.get(), _pimpl->_write_buf.get() + _pimpl->_bufsize); } /// Destroys a systembuf object. /// /// \post The file descriptor attached to this systembuf is closed. systembuf::~systembuf(void) { ::close(_pimpl->_fd); } /// Reads new data when the systembuf read buffer underflows. /// /// \return The new character to be read, or EOF if no more. systembuf::int_type systembuf::underflow(void) { PRE(gptr() >= egptr()); bool ok; ssize_t cnt = ::read(_pimpl->_fd, _pimpl->_read_buf.get(), _pimpl->_bufsize); ok = (cnt != -1 && cnt != 0); if (!ok) return traits_type::eof(); else { setg(_pimpl->_read_buf.get(), _pimpl->_read_buf.get(), _pimpl->_read_buf.get() + cnt); return traits_type::to_int_type(*gptr()); } } /// Writes data to the file descriptor when the write buffer overflows. /// /// \param c The character that causes the overflow. /// /// \return EOF if error, some other value for success. /// /// \throw something TODO(jmmv): According to the documentation, it is OK for /// this method to throw in case of errors. Revisit this code to see if we /// can do better. systembuf::int_type systembuf::overflow(int c) { PRE(pptr() >= epptr()); if (sync() == -1) return traits_type::eof(); if (!traits_type::eq_int_type(c, traits_type::eof())) { traits_type::assign(*pptr(), c); pbump(1); } return traits_type::not_eof(c); } /// Synchronizes the stream with the file descriptor. /// /// \return 0 on success, -1 on error. int systembuf::sync(void) { ssize_t cnt = pptr() - pbase(); bool ok; ok = ::write(_pimpl->_fd, pbase(), cnt) == cnt; if (ok) pbump(-cnt); return ok ? 0 : -1; } @ 1.1.1.1.4.1 log @file systembuf.cpp was added on branch tls-maxphys on 2013-02-25 00:26:18 +0000 @ text @d1 151 @ 1.1.1.1.4.2 log @resync with head @ text @a0 151 // Copyright 2010 Google Inc. // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above copyright // notice, this list of conditions and the following disclaimer in the // documentation and/or other materials provided with the distribution. // * Neither the name of Google Inc. nor the names of its contributors // may be used to endorse or promote products derived from this software // without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. #include "utils/process/systembuf.hpp" extern "C" { #include } #include "utils/auto_array.ipp" #include "utils/sanity.hpp" using utils::process::systembuf; /// Private implementation fields for systembuf. struct systembuf::impl { /// File descriptor attached to the systembuf. int _fd; /// Size of the _read_buf and _write_buf buffers. std::size_t _bufsize; /// In-memory buffer for read operations. utils::auto_array< char > _read_buf; /// In-memory buffer for write operations. utils::auto_array< char > _write_buf; /// Initializes private implementation data. /// /// \param fd The file descriptor. /// \param bufsize The size of the created read and write buffers. impl(const int fd, const std::size_t bufsize) : _fd(fd), _bufsize(bufsize), _read_buf(new char[bufsize]), _write_buf(new char[bufsize]) { } }; /// Constructs a new systembuf based on an open file descriptor. /// /// This grabs ownership of the file descriptor. /// /// \param fd The file descriptor to wrap. Must be open and valid. /// \param bufsize The size to use for the internal read/write buffers. systembuf::systembuf(const int fd, std::size_t bufsize) : _pimpl(new impl(fd, bufsize)) { setp(_pimpl->_write_buf.get(), _pimpl->_write_buf.get() + _pimpl->_bufsize); } /// Destroys a systembuf object. /// /// \post The file descriptor attached to this systembuf is closed. systembuf::~systembuf(void) { ::close(_pimpl->_fd); } /// Reads new data when the systembuf read buffer underflows. /// /// \return The new character to be read, or EOF if no more. systembuf::int_type systembuf::underflow(void) { PRE(gptr() >= egptr()); bool ok; ssize_t cnt = ::read(_pimpl->_fd, _pimpl->_read_buf.get(), _pimpl->_bufsize); ok = (cnt != -1 && cnt != 0); if (!ok) return traits_type::eof(); else { setg(_pimpl->_read_buf.get(), _pimpl->_read_buf.get(), _pimpl->_read_buf.get() + cnt); return traits_type::to_int_type(*gptr()); } } /// Writes data to the file descriptor when the write buffer overflows. /// /// \param c The character that causes the overflow. /// /// \return EOF if error, some other value for success. /// /// \throw something TODO(jmmv): According to the documentation, it is OK for /// this method to throw in case of errors. Revisit this code to see if we /// can do better. systembuf::int_type systembuf::overflow(int c) { PRE(pptr() >= epptr()); if (sync() == -1) return traits_type::eof(); if (!traits_type::eq_int_type(c, traits_type::eof())) { traits_type::assign(*pptr(), c); pbump(1); } return traits_type::not_eof(c); } /// Synchronizes the stream with the file descriptor. /// /// \return 0 on success, -1 on error. int systembuf::sync(void) { ssize_t cnt = pptr() - pbase(); bool ok; ok = ::write(_pimpl->_fd, pbase(), cnt) == cnt; if (ok) pbump(-cnt); return ok ? 0 : -1; } @