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Diffstat (limited to 'base/pollevent.hh')
-rw-r--r-- | base/pollevent.hh | 97 |
1 files changed, 0 insertions, 97 deletions
diff --git a/base/pollevent.hh b/base/pollevent.hh deleted file mode 100644 index d39931797..000000000 --- a/base/pollevent.hh +++ /dev/null @@ -1,97 +0,0 @@ -/* - * Copyright (c) 2002-2005 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 PollQueue; - -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__ |