/usr/include/Dispatch/dispatcher.h is in ivtools-dev 1.2.11a1-8.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 | /*
* Copyright (c) 1987, 1988, 1989, 1990, 1991 Stanford University
* Copyright (c) 1991 Silicon Graphics, Inc.
*
* Permission to use, copy, modify, distribute, and sell this software and
* its documentation for any purpose is hereby granted without fee, provided
* that (i) the above copyright notices and this permission notice appear in
* all copies of the software and related documentation, and (ii) the names of
* Stanford and Silicon Graphics may not be used in any advertising or
* publicity relating to the software without the specific, prior written
* permission of Stanford and Silicon Graphics.
*
* THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
* EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
* WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
*
* IN NO EVENT SHALL STANFORD OR SILICON GRAPHICS BE LIABLE FOR
* ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
* OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
* WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
* LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
* OF THIS SOFTWARE.
*/
/*
* Wait on multiple file descriptors until a condition occurs.
*/
#ifndef dp_dispatcher_h
#define dp_dispatcher_h
#include <Dispatch/enter-scope.h>
class FdMask;
class IOHandler;
class TimerQueue;
class ChildQueue;
struct timeval;
//: wait on multiple file descriptors until a condition occurs
// <a href=../man3.1/Dispatcher.html>man page</a>
class Dispatcher {
public:
enum DispatcherMask {
ReadMask,
WriteMask,
ExceptMask
};
Dispatcher();
virtual ~Dispatcher();
virtual void link(int fd, DispatcherMask, IOHandler*);
virtual IOHandler* handler(int fd, DispatcherMask) const;
virtual void unlink(int fd);
virtual void startTimer(long sec, long usec, IOHandler*);
virtual void stopTimer(IOHandler*);
virtual void startChild(int pid, IOHandler*);
virtual void stopChild(IOHandler*);
virtual boolean setReady(int fd, DispatcherMask);
virtual void dispatch();
virtual boolean dispatch(long& sec, long& usec);
static Dispatcher& instance();
static void instance(Dispatcher*);
protected:
virtual void attach(int fd, DispatcherMask, IOHandler*);
virtual void detach(int fd);
virtual boolean dispatch(timeval*);
virtual boolean anyReady() const;
virtual int fillInReady(FdMask&, FdMask&, FdMask&);
virtual int waitFor(FdMask&, FdMask&, FdMask&, timeval*);
virtual void notify(int, FdMask&, FdMask&, FdMask&);
virtual timeval* calculateTimeout(timeval*) const;
virtual boolean handleError();
virtual void checkConnections();
protected:
int _nfds;
FdMask* _rmask;
FdMask* _wmask;
FdMask* _emask;
FdMask* _rmaskready;
FdMask* _wmaskready;
FdMask* _emaskready;
IOHandler** _rtable;
IOHandler** _wtable;
IOHandler** _etable;
TimerQueue* _queue;
ChildQueue* _cqueue;
#if defined(__GNUC__) && !defined(__GNUC_MINOR__)
static void sigCLD();
#else
static void sigCLD(...);
#endif
private:
static Dispatcher* _instance;
private:
/* deny access since member-wise won't work */
Dispatcher(const Dispatcher&);
Dispatcher& operator =(const Dispatcher&);
};
#endif
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