62fa781fee
object defined there was renamed Root long ago).
SConscript:
arch/alpha/alpha_linux_process.cc:
arch/alpha/alpha_tru64_process.cc:
base/misc.cc:
base/pollevent.cc:
base/pollevent.hh:
base/stats/events.cc:
base/trace.hh:
cpu/beta_cpu/fetch_impl.hh:
cpu/beta_cpu/full_cpu.cc:
cpu/beta_cpu/inst_queue_impl.hh:
cpu/pc_event.cc:
cpu/static_inst.cc:
dev/etherbus.cc:
dev/etherdump.cc:
dev/etherlink.cc:
dev/ide_disk.cc:
dev/pcidev.cc:
sim/builder.cc:
sim/eventq.cc:
sim/main.cc:
sim/root.cc:
sim/stat_control.cc:
Rename sim/universe.{cc,hh} to root.{cc,hh}.
--HG--
rename : sim/universe.cc => sim/root.cc
extra : convert_revision : b8699e81e285253d66da75412e7bb2c251c0389a
96 lines
2.8 KiB
C++
96 lines
2.8 KiB
C++
/*
|
|
* Copyright (c) 2002-2003 The Regents of The University of Michigan
|
|
* 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 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.
|
|
*/
|
|
|
|
#ifndef __POLLEVENT_H__
|
|
#define __POLLEVENT_H__
|
|
|
|
#include <vector>
|
|
#include <poll.h>
|
|
#include "sim/root.hh"
|
|
|
|
class Checkpoint;
|
|
|
|
class PollEvent
|
|
{
|
|
private:
|
|
friend class PollQueue;
|
|
|
|
protected:
|
|
pollfd pfd;
|
|
PollQueue *queue;
|
|
bool enabled;
|
|
|
|
public:
|
|
PollEvent(int fd, int event);
|
|
virtual ~PollEvent();
|
|
|
|
void disable();
|
|
void enable();
|
|
virtual void process(int revent) = 0;
|
|
|
|
bool queued() { return queue != 0; }
|
|
|
|
virtual void serialize(std::ostream &os);
|
|
virtual void unserialize(Checkpoint *cp, const std::string §ion);
|
|
};
|
|
|
|
class PollQueue
|
|
{
|
|
private:
|
|
typedef std::vector<PollEvent *> eventvec_t;
|
|
eventvec_t events;
|
|
|
|
pollfd *poll_fds;
|
|
int max_size;
|
|
int num_fds;
|
|
|
|
public:
|
|
PollQueue();
|
|
~PollQueue();
|
|
|
|
void copy();
|
|
void remove(PollEvent *event);
|
|
void schedule(PollEvent *event);
|
|
void service();
|
|
|
|
protected:
|
|
static bool handler;
|
|
static struct sigaction oldio;
|
|
static struct sigaction oldalrm;
|
|
|
|
public:
|
|
static void setupAsyncIO(int fd, bool set);
|
|
static void handleIO(int);
|
|
static void handleALRM(int);
|
|
static void removeHandler();
|
|
static void setupHandler();
|
|
};
|
|
|
|
extern PollQueue pollQueue;
|
|
|
|
#endif // __POLLEVENT_H__
|