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/*
* Copyright (c) 2015 Advanced Micro Devices, Inc.
* Copyright (c) 2001-2005 The Regents of The University of Michigan
*
* 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 the copyright holders 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.
*
* Authors: Nathan Binkert
* Steve Reinhardt
*/
#include "base/misc.hh"
#include "fd_entry.hh"
using namespace std;
void
FDEntry::serialize(CheckpointOut &cp) const
{
SERIALIZE_SCALAR(fd);
if (fd != -1) {
SERIALIZE_SCALAR(mode);
SERIALIZE_SCALAR(flags);
SERIALIZE_SCALAR(isPipe);
SERIALIZE_SCALAR(readPipeSource);
SERIALIZE_SCALAR(fileOffset);
SERIALIZE_SCALAR(filename);
}
if (driver)
warn("EmulatedDriver objects do not currently support checkpoints");
}
void
FDEntry::unserialize(CheckpointIn &cp)
{
UNSERIALIZE_SCALAR(fd);
if (fd != -1) {
UNSERIALIZE_SCALAR(mode);
UNSERIALIZE_SCALAR(flags);
UNSERIALIZE_SCALAR(isPipe);
UNSERIALIZE_SCALAR(readPipeSource);
UNSERIALIZE_SCALAR(fileOffset);
UNSERIALIZE_SCALAR(filename);
}
driver = NULL;
}
bool
FDEntry::isFree()
{
return (fd == -1 && driver == NULL);
}
void
FDEntry::set(int sim_fd, const string name, int flags, int mode, bool pipe)
{
fd = sim_fd;
filename = name;
this->flags = flags;
this->mode = mode;
isPipe = pipe;
fileOffset = 0;
readPipeSource = 0;
driver = NULL;
}
void
FDEntry::reset()
{
set(-1, "", 0, 0, false);
}
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