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Comparing gvpe/src/iom.h (file contents):
Revision 1.10 by pcg, Wed Apr 2 21:02:25 2003 UTC vs.
Revision 1.14 by pcg, Thu Oct 16 02:41:21 2003 UTC

1/* 1/*
2 iom.h -- I/O multiplexor 2 iom.h -- generic I/O multiplexor
3 Copyright (C) 2003 Marc Lehmann <pcg@goof.com>
3 4
4 This program is free software; you can redistribute it and/or modify 5 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by 6 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or 7 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version. 8 (at your option) any later version.
… …
19#ifndef VPE_IOM_H__ 20#ifndef VPE_IOM_H__
20#define VPE_IOM_H__ 21#define VPE_IOM_H__
21 22
22#include <vector> 23#include <vector>
23 24
25#include <cassert>
26
24#include <sys/poll.h> 27#include "poll.h"
25 28
26#include "callback.h" 29#include "callback.h"
27#include "slog.h" 30#include "slog.h"
28 31
29typedef double tstamp; 32typedef double tstamp;
… …
53 56
54 io_manager (); 57 io_manager ();
55 ~io_manager (); 58 ~io_manager ();
56}; 59};
57 60
58extern io_manager iom; 61extern io_manager iom; // a singleton, together with it's construction/destruction problems.
59 62
60struct io_watcher : callback2<void, io_watcher &, short> { 63struct io_watcher : callback2<void, io_watcher &, short> {
64 bool registered; // already registered?
61 int fd; 65 int fd;
62 short events; 66 short events;
63 67
64 template<class O1, class O2> 68 template<class O1, class O2>
65 io_watcher (O1 *object, void (O2::*method)(io_watcher &, short)) 69 io_watcher (O1 *object, void (O2::*method)(io_watcher &, short))
66 : callback2<void, io_watcher &, short>(object,method) 70 : callback2<void, io_watcher &, short>(object,method)
71 , registered(false)
67 { } 72 { }
68 73
69 ~io_watcher () 74 ~io_watcher ();
75
76 void set(int fd_, short events_);
77
78 void set(short events_)
70 { 79 {
71 iom.unreg (this); 80 set (fd, events_);
72 } 81 }
73 82
74 void start (int fd_, short events_) 83 void start (int fd_, short events_)
75 { 84 {
76 fd = fd_; 85 set (fd_, events_);
77 events = events_;
78 iom.reg (this); 86 iom.reg (this);
79 } 87 }
80 88
81 void stop () 89 void stop ()
82 { 90 {
… …
94 time_watcher (O1 *object, void (O2::*method)(time_watcher &)) 102 time_watcher (O1 *object, void (O2::*method)(time_watcher &))
95 : callback1<void, time_watcher &>(object,method) 103 : callback1<void, time_watcher &>(object,method)
96 , registered(false) 104 , registered(false)
97 { } 105 { }
98 106
99 ~time_watcher () 107 ~time_watcher ();
100 {
101 iom.unreg (this);
102 }
103 108
104 void set (tstamp when); 109 void set (tstamp when);
105 void trigger (); 110 void trigger ();
106 111
107 void operator ()() 112 void operator ()()
108 { 113 {
109 trigger (); 114 trigger ();
110 } 115 }
111 116
112 void start (); 117 void start ()
118 {
119 iom.reg (this);
120 }
121
113 void start (tstamp when) 122 void start (tstamp when)
114 { 123 {
115 set (when); 124 set (when);
125 iom.reg (this);
116 } 126 }
117 127
118 void stop () 128 void stop ()
119 { 129 {
120 iom.unreg (this); 130 iom.unreg (this);

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