b90711ea53
This patch extends the previous patch's alterations around fd_map. It cleans up some of the uglier code in the process file and replaces it with a more concise C++11 version. As part of the changes, the FdMap class is pulled out of the Process class and receives its own file.
92 lines
2.8 KiB
C++
92 lines
2.8 KiB
C++
/*
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* Copyright (c) 2015 Advanced Micro Devices, Inc.
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* Copyright (c) 2001-2005 The Regents of The University of Michigan
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer;
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* redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution;
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* neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* Authors: Nathan Binkert
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* Steve Reinhardt
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*/
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#include "base/misc.hh"
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#include "fd_entry.hh"
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using namespace std;
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void
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FDEntry::serialize(CheckpointOut &cp) const
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{
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SERIALIZE_SCALAR(fd);
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if (fd != -1) {
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SERIALIZE_SCALAR(mode);
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SERIALIZE_SCALAR(flags);
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SERIALIZE_SCALAR(isPipe);
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SERIALIZE_SCALAR(readPipeSource);
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SERIALIZE_SCALAR(fileOffset);
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SERIALIZE_SCALAR(filename);
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}
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if (driver)
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warn("EmulatedDriver objects do not currently support checkpoints");
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}
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void
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FDEntry::unserialize(CheckpointIn &cp)
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{
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UNSERIALIZE_SCALAR(fd);
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if (fd != -1) {
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UNSERIALIZE_SCALAR(mode);
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UNSERIALIZE_SCALAR(flags);
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UNSERIALIZE_SCALAR(isPipe);
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UNSERIALIZE_SCALAR(readPipeSource);
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UNSERIALIZE_SCALAR(fileOffset);
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UNSERIALIZE_SCALAR(filename);
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}
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driver = NULL;
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}
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bool
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FDEntry::isFree()
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{
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return (fd == -1 && driver == NULL);
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}
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void
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FDEntry::set(int sim_fd, const string name, int flags, int mode, bool pipe)
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{
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fd = sim_fd;
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filename = name;
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this->flags = flags;
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this->mode = mode;
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isPipe = pipe;
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fileOffset = 0;
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readPipeSource = 0;
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driver = NULL;
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}
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void
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FDEntry::reset()
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{
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set(-1, "", 0, 0, false);
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}
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