1 |
pcg |
1.1 |
/* |
2 |
root |
1.23 |
iom.C -- generic I/O multiplexer |
3 |
root |
1.34 |
Copyright (C) 2003-2006 Marc Lehmann <gvpe@schmorp.de> |
4 |
pcg |
1.1 |
|
5 |
root |
1.30 |
This file is part of GVPE. |
6 |
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7 |
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GVPE is free software; you can redistribute it and/or modify |
8 |
pcg |
1.1 |
it under the terms of the GNU General Public License as published by |
9 |
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the Free Software Foundation; either version 2 of the License, or |
10 |
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(at your option) any later version. |
11 |
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12 |
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This program is distributed in the hope that it will be useful, |
13 |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
15 |
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GNU General Public License for more details. |
16 |
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17 |
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You should have received a copy of the GNU General Public License |
18 |
root |
1.30 |
along with gvpe; if not, write to the Free Software |
19 |
root |
1.29 |
Foundation, Inc. 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
20 |
pcg |
1.1 |
*/ |
21 |
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|
22 |
root |
1.19 |
#include "iom.h" |
23 |
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|
24 |
pcg |
1.1 |
#include <cstdio> |
25 |
pcg |
1.8 |
#include <cstdlib> |
26 |
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#include <cerrno> |
27 |
root |
1.33 |
#include <cassert> |
28 |
pcg |
1.1 |
|
29 |
root |
1.33 |
#include <sys/types.h> |
30 |
pcg |
1.11 |
#include <sys/time.h> |
31 |
|
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|
32 |
pcg |
1.14 |
#if 1 // older unices need these includes for select (2) |
33 |
pcg |
1.11 |
# include <unistd.h> |
34 |
root |
1.19 |
# include <time.h> |
35 |
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#endif |
36 |
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37 |
root |
1.33 |
#if IOM_CHILD |
38 |
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# include <sys/wait.h> |
39 |
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#endif |
40 |
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|
41 |
root |
1.19 |
#if IOM_SIG |
42 |
root |
1.27 |
# include <csignal> |
43 |
root |
1.19 |
# include <fcntl.h> |
44 |
pcg |
1.11 |
#endif |
45 |
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|
46 |
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// if the BSDs would at least be marginally POSIX-compatible.. *sigh* |
47 |
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// until that happens, sys/select.h must come last |
48 |
pcg |
1.1 |
#include <sys/select.h> |
49 |
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|
50 |
root |
1.19 |
#define TIMEVAL timeval |
51 |
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#define TV_FRAC tv_usec |
52 |
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#define TV_MULT 1000000L |
53 |
pcg |
1.1 |
|
54 |
root |
1.19 |
#if IOM_IO |
55 |
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static io_manager_vec<io_watcher> iow; |
56 |
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#endif |
57 |
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#if IOM_CHECK |
58 |
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static io_manager_vec<check_watcher> cw; |
59 |
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#endif |
60 |
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#if IOM_TIME |
61 |
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static io_manager_vec<time_watcher> tw; |
62 |
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#endif |
63 |
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#if IOM_IDLE |
64 |
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static io_manager_vec<idle_watcher> iw; |
65 |
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#endif |
66 |
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#if IOM_SIG |
67 |
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static int sigpipe[2]; // signal signalling pipe |
68 |
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static sigset_t sigs; |
69 |
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struct sig_vec : io_manager_vec<sig_watcher> { |
70 |
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int pending; |
71 |
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sig_vec () |
72 |
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: pending (false) |
73 |
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{ } |
74 |
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}; |
75 |
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static vector<sig_vec *> sw; |
76 |
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#endif |
77 |
root |
1.33 |
#if IOM_CHILD |
78 |
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static io_manager_vec<child_watcher> pw; |
79 |
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#endif |
80 |
pcg |
1.8 |
|
81 |
pcg |
1.10 |
// this is a dummy time watcher to ensure that the first |
82 |
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// time watcher is _always_ valid, this gets rid of a lot |
83 |
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// of null-pointer-checks |
84 |
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// (must come _before_ iom is being defined) |
85 |
pcg |
1.13 |
static struct tw0 : time_watcher |
86 |
root |
1.33 |
{ |
87 |
|
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void cb (time_watcher &w) |
88 |
pcg |
1.10 |
{ |
89 |
root |
1.33 |
// should never get called |
90 |
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// reached end-of-time, or tstamp has a bogus definition, |
91 |
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// or compiler initialisation order broken, or something else :) |
92 |
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abort (); |
93 |
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} |
94 |
pcg |
1.10 |
|
95 |
root |
1.33 |
tw0 () |
96 |
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: time_watcher (this, &tw0::cb) |
97 |
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{ } |
98 |
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} tw0; |
99 |
pcg |
1.10 |
|
100 |
pcg |
1.1 |
tstamp NOW; |
101 |
root |
1.19 |
|
102 |
root |
1.33 |
#if IOM_CHILD |
103 |
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// sig_watcher for child signal(s) |
104 |
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static struct sw0 : sig_watcher |
105 |
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{ |
106 |
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void cb (sig_watcher &w) |
107 |
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{ |
108 |
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// SIGCHLD, call corresponding watchera |
109 |
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pid_t pid; |
110 |
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int status; |
111 |
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112 |
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while ((pid = waitpid (-1, &status, WNOHANG)) > 0) |
113 |
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for (int i = pw.size (); i--; ) |
114 |
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{ |
115 |
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child_watcher *w = pw[i]; |
116 |
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117 |
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if (!w) |
118 |
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pw.erase_unordered (i); |
119 |
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else if (w->pid == pid) |
120 |
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{ |
121 |
root |
1.35 |
io_manager::unreg (*w); |
122 |
root |
1.33 |
w->call (*w, status); |
123 |
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} |
124 |
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} |
125 |
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|
126 |
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} |
127 |
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128 |
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sw0 () |
129 |
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: sig_watcher (this, &sw0::cb) |
130 |
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{ } |
131 |
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} sw0; |
132 |
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#endif |
133 |
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|
134 |
root |
1.19 |
#if IOM_TIME |
135 |
root |
1.24 |
tstamp io_manager::now () |
136 |
root |
1.19 |
{ |
137 |
|
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struct timeval tv; |
138 |
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|
139 |
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gettimeofday (&tv, 0); |
140 |
root |
1.24 |
return (tstamp)tv.tv_sec + (tstamp)tv.tv_usec / 1000000.; |
141 |
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} |
142 |
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|
143 |
|
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void io_manager::set_now () |
144 |
|
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{ |
145 |
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NOW = now (); |
146 |
root |
1.19 |
} |
147 |
|
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#endif |
148 |
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|
149 |
pcg |
1.8 |
static bool iom_valid; |
150 |
root |
1.19 |
|
151 |
|
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// used for initialisation only |
152 |
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static struct init { |
153 |
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init () |
154 |
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{ |
155 |
root |
1.33 |
iom_valid = true; |
156 |
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|
157 |
root |
1.19 |
#if IOM_SIG |
158 |
|
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sigemptyset (&sigs); |
159 |
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|
160 |
|
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if (pipe (sigpipe)) |
161 |
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{ |
162 |
|
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perror ("io_manager: unable to create signal pipe, aborting."); |
163 |
|
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abort (); |
164 |
|
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} |
165 |
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|
166 |
root |
1.25 |
fcntl (sigpipe[0], F_SETFL, O_NONBLOCK); fcntl (sigpipe[0], F_SETFD, FD_CLOEXEC); |
167 |
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fcntl (sigpipe[1], F_SETFL, O_NONBLOCK); fcntl (sigpipe[1], F_SETFD, FD_CLOEXEC); |
168 |
root |
1.19 |
#endif |
169 |
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|
170 |
root |
1.33 |
#if IOM_CHILD |
171 |
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sw0.start (SIGCHLD); |
172 |
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#endif |
173 |
root |
1.19 |
|
174 |
|
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#if IOM_TIME |
175 |
root |
1.24 |
io_manager::set_now (); |
176 |
root |
1.19 |
|
177 |
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tw0.start (TSTAMP_MAX); |
178 |
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#endif |
179 |
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} |
180 |
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181 |
root |
1.31 |
~init () |
182 |
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{ |
183 |
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iom_valid = false; |
184 |
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} |
185 |
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186 |
root |
1.19 |
static void required (); |
187 |
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} init; |
188 |
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|
189 |
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void |
190 |
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init::required () |
191 |
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{ |
192 |
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if (!iom_valid) |
193 |
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{ |
194 |
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write (2, "io_manager: early registration attempt, aborting.\n", |
195 |
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sizeof ("io_manager: early registration attempt, aborting.\n") - 1); |
196 |
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abort (); |
197 |
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} |
198 |
|
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} |
199 |
pcg |
1.1 |
|
200 |
pcg |
1.4 |
template<class watcher> |
201 |
root |
1.19 |
void io_manager::reg (watcher &w, io_manager_vec<watcher> &queue) |
202 |
pcg |
1.4 |
{ |
203 |
root |
1.19 |
init::required (); |
204 |
pcg |
1.8 |
|
205 |
root |
1.19 |
if (!w.active) |
206 |
pcg |
1.8 |
{ |
207 |
root |
1.19 |
queue.push_back (&w); |
208 |
|
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w.active = queue.size (); |
209 |
pcg |
1.8 |
} |
210 |
pcg |
1.4 |
} |
211 |
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212 |
|
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template<class watcher> |
213 |
root |
1.19 |
void io_manager::unreg (watcher &w, io_manager_vec<watcher> &queue) |
214 |
pcg |
1.4 |
{ |
215 |
pcg |
1.8 |
if (!iom_valid) |
216 |
|
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return; |
217 |
pcg |
1.4 |
|
218 |
root |
1.19 |
if (w.active) |
219 |
pcg |
1.8 |
{ |
220 |
root |
1.19 |
queue [w.active - 1] = 0; |
221 |
|
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w.active = 0; |
222 |
pcg |
1.8 |
} |
223 |
pcg |
1.4 |
} |
224 |
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|
225 |
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#if IOM_TIME |
226 |
pcg |
1.1 |
void time_watcher::trigger () |
227 |
|
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{ |
228 |
|
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call (*this); |
229 |
root |
1.19 |
io_manager::reg (*this); |
230 |
pcg |
1.1 |
} |
231 |
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|
232 |
root |
1.19 |
void io_manager::reg (time_watcher &w) { io_manager::reg (w, tw); } |
233 |
|
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void io_manager::unreg (time_watcher &w) { io_manager::unreg (w, tw); } |
234 |
pcg |
1.8 |
#endif |
235 |
pcg |
1.3 |
|
236 |
pcg |
1.8 |
#if IOM_IO |
237 |
root |
1.19 |
void io_manager::reg (io_watcher &w) { io_manager::reg (w, iow); } |
238 |
|
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void io_manager::unreg (io_watcher &w) { io_manager::unreg (w, iow); } |
239 |
pcg |
1.4 |
#endif |
240 |
pcg |
1.1 |
|
241 |
pcg |
1.4 |
#if IOM_CHECK |
242 |
root |
1.19 |
void io_manager::reg (check_watcher &w) { io_manager::reg (w, cw); } |
243 |
|
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void io_manager::unreg (check_watcher &w) { io_manager::unreg (w, cw); } |
244 |
pcg |
1.4 |
#endif |
245 |
pcg |
1.1 |
|
246 |
pcg |
1.7 |
#if IOM_IDLE |
247 |
root |
1.19 |
void io_manager::reg (idle_watcher &w) { io_manager::reg (w, iw); } |
248 |
|
|
void io_manager::unreg (idle_watcher &w) { io_manager::unreg (w, iw); } |
249 |
pcg |
1.7 |
#endif |
250 |
|
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|
251 |
root |
1.19 |
#if IOM_SIG |
252 |
|
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static void |
253 |
|
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sighandler (int signum) |
254 |
pcg |
1.1 |
{ |
255 |
root |
1.19 |
sw [signum - 1]->pending = true; |
256 |
pcg |
1.1 |
|
257 |
root |
1.19 |
// we use a pipe for signal notifications, as most current |
258 |
|
|
// OSes (Linux...) do not implement pselect correctly. ugh. |
259 |
|
|
char ch = signum; // actual content not used |
260 |
|
|
write (sigpipe[1], &ch, 1); |
261 |
pcg |
1.16 |
} |
262 |
|
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|
263 |
root |
1.19 |
void io_manager::reg (sig_watcher &w) |
264 |
pcg |
1.16 |
{ |
265 |
root |
1.32 |
init::required (); |
266 |
|
|
|
267 |
root |
1.19 |
assert (0 < w.signum); |
268 |
pcg |
1.16 |
|
269 |
root |
1.19 |
sw.reserve (w.signum); |
270 |
pcg |
1.16 |
|
271 |
root |
1.19 |
while (sw.size () < w.signum) // pathetic |
272 |
|
|
sw.push_back (0); |
273 |
pcg |
1.16 |
|
274 |
root |
1.19 |
sig_vec *&sv = sw[w.signum - 1]; |
275 |
pcg |
1.16 |
|
276 |
|
|
if (!sv) |
277 |
|
|
{ |
278 |
|
|
sv = new sig_vec; |
279 |
|
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|
280 |
root |
1.19 |
sigaddset (&sigs, w.signum); |
281 |
|
|
sigprocmask (SIG_BLOCK, &sigs, NULL); |
282 |
|
|
|
283 |
pcg |
1.16 |
struct sigaction sa; |
284 |
root |
1.19 |
sa.sa_handler = sighandler; |
285 |
pcg |
1.16 |
sigfillset (&sa.sa_mask); |
286 |
root |
1.19 |
sa.sa_flags = SA_RESTART; |
287 |
pcg |
1.16 |
|
288 |
root |
1.19 |
if (sigaction (w.signum, &sa, 0)) |
289 |
pcg |
1.16 |
{ |
290 |
root |
1.19 |
perror ("io_manager: error while installing signal handler, ignoring."); |
291 |
pcg |
1.16 |
abort (); |
292 |
|
|
} |
293 |
root |
1.19 |
|
294 |
pcg |
1.16 |
} |
295 |
|
|
|
296 |
root |
1.19 |
io_manager::reg (w, *sv); |
297 |
pcg |
1.16 |
} |
298 |
|
|
|
299 |
root |
1.19 |
void io_manager::unreg (sig_watcher &w) |
300 |
pcg |
1.16 |
{ |
301 |
root |
1.32 |
if (!w.active || !iom_valid) |
302 |
root |
1.19 |
return; |
303 |
|
|
|
304 |
|
|
assert (0 < w.signum && w.signum <= sw.size ()); |
305 |
pcg |
1.16 |
|
306 |
root |
1.19 |
io_manager::unreg (w, *sw[w.signum - 1]); |
307 |
pcg |
1.16 |
} |
308 |
|
|
|
309 |
|
|
void sig_watcher::start (int signum) |
310 |
|
|
{ |
311 |
|
|
stop (); |
312 |
|
|
this->signum = signum; |
313 |
root |
1.19 |
io_manager::reg (*this); |
314 |
pcg |
1.16 |
} |
315 |
|
|
#endif |
316 |
root |
1.19 |
|
317 |
root |
1.33 |
#if IOM_CHILD |
318 |
|
|
void io_manager::reg (child_watcher &w) { io_manager::reg (w, pw); } |
319 |
|
|
void io_manager::unreg (child_watcher &w) { io_manager::unreg (w, pw); } |
320 |
|
|
#endif |
321 |
|
|
|
322 |
pcg |
1.1 |
void io_manager::loop () |
323 |
|
|
{ |
324 |
root |
1.19 |
init::required (); |
325 |
|
|
|
326 |
pcg |
1.4 |
#if IOM_TIME |
327 |
pcg |
1.1 |
set_now (); |
328 |
pcg |
1.4 |
#endif |
329 |
pcg |
1.1 |
|
330 |
|
|
for (;;) |
331 |
|
|
{ |
332 |
|
|
|
333 |
pcg |
1.7 |
#if IOM_TIME |
334 |
root |
1.23 |
// call pending time watchers |
335 |
|
|
{ |
336 |
|
|
bool activity; |
337 |
pcg |
1.1 |
|
338 |
root |
1.23 |
do |
339 |
|
|
{ |
340 |
|
|
activity = false; |
341 |
pcg |
1.1 |
|
342 |
root |
1.23 |
for (int i = tw.size (); i--; ) |
343 |
|
|
if (!tw[i]) |
344 |
|
|
tw.erase_unordered (i); |
345 |
|
|
else if (tw[i]->at <= NOW) |
346 |
|
|
{ |
347 |
|
|
time_watcher &w = *tw[i]; |
348 |
|
|
|
349 |
|
|
unreg (w); |
350 |
|
|
w.call (w); |
351 |
pcg |
1.7 |
|
352 |
root |
1.23 |
activity = true; |
353 |
pcg |
1.7 |
} |
354 |
root |
1.23 |
} |
355 |
|
|
while (activity); |
356 |
|
|
} |
357 |
pcg |
1.7 |
#endif |
358 |
pcg |
1.6 |
|
359 |
|
|
#if IOM_CHECK |
360 |
root |
1.23 |
// call all check watchers |
361 |
pcg |
1.8 |
for (int i = cw.size (); i--; ) |
362 |
|
|
if (!cw[i]) |
363 |
|
|
cw.erase_unordered (i); |
364 |
|
|
else |
365 |
|
|
cw[i]->call (*cw[i]); |
366 |
root |
1.23 |
#endif |
367 |
pcg |
1.12 |
|
368 |
root |
1.23 |
struct TIMEVAL *to = 0; |
369 |
|
|
struct TIMEVAL tval; |
370 |
|
|
|
371 |
|
|
#if IOM_IDLE |
372 |
|
|
if (iw.size ()) |
373 |
pcg |
1.12 |
{ |
374 |
|
|
tval.tv_sec = 0; |
375 |
root |
1.19 |
tval.TV_FRAC = 0; |
376 |
pcg |
1.12 |
to = &tval; |
377 |
|
|
} |
378 |
root |
1.23 |
else |
379 |
|
|
#endif |
380 |
|
|
{ |
381 |
|
|
#if IOM_TIME |
382 |
|
|
// find earliest active watcher |
383 |
|
|
time_watcher *next = tw[0]; // the first time-watcher must exist at ALL times |
384 |
|
|
|
385 |
|
|
for (io_manager_vec<time_watcher>::const_iterator i = tw.end (); i-- > tw.begin (); ) |
386 |
|
|
if (*i && (*i)->at < next->at) |
387 |
|
|
next = *i; |
388 |
|
|
|
389 |
|
|
if (next->at > NOW && next != tw[0]) |
390 |
|
|
{ |
391 |
|
|
double diff = next->at - NOW; |
392 |
|
|
tval.tv_sec = (int)diff; |
393 |
|
|
tval.TV_FRAC = (int) ((diff - tval.tv_sec) * TV_MULT); |
394 |
|
|
to = &tval; |
395 |
|
|
} |
396 |
|
|
} |
397 |
pcg |
1.4 |
#endif |
398 |
pcg |
1.1 |
|
399 |
root |
1.19 |
#if IOM_IO || IOM_SIG |
400 |
pcg |
1.15 |
fd_set rfd, wfd; |
401 |
pcg |
1.1 |
|
402 |
|
|
FD_ZERO (&rfd); |
403 |
|
|
FD_ZERO (&wfd); |
404 |
|
|
|
405 |
|
|
int fds = 0; |
406 |
|
|
|
407 |
root |
1.19 |
# if IOM_IO |
408 |
root |
1.23 |
for (io_manager_vec<io_watcher>::const_iterator i = iow.end (); i-- > iow.begin (); ) |
409 |
pcg |
1.8 |
if (*i) |
410 |
|
|
{ |
411 |
|
|
if ((*i)->events & EVENT_READ ) FD_SET ((*i)->fd, &rfd); |
412 |
|
|
if ((*i)->events & EVENT_WRITE) FD_SET ((*i)->fd, &wfd); |
413 |
pcg |
1.1 |
|
414 |
pcg |
1.8 |
if ((*i)->fd >= fds) fds = (*i)->fd + 1; |
415 |
|
|
} |
416 |
root |
1.19 |
# endif |
417 |
pcg |
1.1 |
|
418 |
root |
1.23 |
if (!to && !fds) //TODO: also check idle_watchers and check_watchers? |
419 |
pcg |
1.5 |
break; // no events |
420 |
|
|
|
421 |
root |
1.19 |
# if IOM_SIG |
422 |
|
|
FD_SET (sigpipe[0], &rfd); |
423 |
|
|
if (sigpipe[0] >= fds) fds = sigpipe[0] + 1; |
424 |
|
|
# endif |
425 |
|
|
|
426 |
|
|
# if IOM_SIG |
427 |
|
|
// there is no race, as we use a pipe for signals, so select |
428 |
|
|
// will return if a signal is caught. |
429 |
|
|
sigprocmask (SIG_UNBLOCK, &sigs, NULL); |
430 |
|
|
# endif |
431 |
pcg |
1.15 |
fds = select (fds, &rfd, &wfd, NULL, to); |
432 |
root |
1.19 |
# if IOM_SIG |
433 |
|
|
sigprocmask (SIG_BLOCK, &sigs, NULL); |
434 |
|
|
# endif |
435 |
|
|
|
436 |
pcg |
1.4 |
# if IOM_TIME |
437 |
root |
1.28 |
{ |
438 |
|
|
// update time, try to compensate for gross non-monotonic time changes |
439 |
|
|
tstamp diff = NOW; |
440 |
|
|
set_now (); |
441 |
|
|
diff = NOW - diff; |
442 |
|
|
|
443 |
|
|
if (diff < 0) |
444 |
|
|
for (io_manager_vec<time_watcher>::const_iterator i = tw.end (); i-- > tw.begin (); ) |
445 |
|
|
if (*i) |
446 |
|
|
(*i)->at += diff; |
447 |
|
|
} |
448 |
pcg |
1.4 |
# endif |
449 |
pcg |
1.1 |
|
450 |
|
|
if (fds > 0) |
451 |
root |
1.19 |
{ |
452 |
|
|
# if IOM_SIG |
453 |
|
|
if (FD_ISSET (sigpipe[0], &rfd)) |
454 |
pcg |
1.8 |
{ |
455 |
root |
1.19 |
char ch; |
456 |
|
|
|
457 |
|
|
while (read (sigpipe[0], &ch, 1) > 0) |
458 |
|
|
; |
459 |
pcg |
1.1 |
|
460 |
root |
1.23 |
for (vector<sig_vec *>::iterator svp = sw.end (); svp-- > sw.begin (); ) |
461 |
root |
1.19 |
if (*svp && (*svp)->pending) |
462 |
|
|
{ |
463 |
|
|
sig_vec &sv = **svp; |
464 |
|
|
for (int i = sv.size (); i--; ) |
465 |
|
|
if (!sv[i]) |
466 |
|
|
sv.erase_unordered (i); |
467 |
|
|
else |
468 |
|
|
sv[i]->call (*sv[i]); |
469 |
pcg |
1.4 |
|
470 |
root |
1.19 |
sv.pending = false; |
471 |
|
|
} |
472 |
pcg |
1.8 |
} |
473 |
root |
1.19 |
# endif |
474 |
|
|
|
475 |
|
|
# if IOM_IO |
476 |
|
|
for (int i = iow.size (); i--; ) |
477 |
|
|
if (!iow[i]) |
478 |
|
|
iow.erase_unordered (i); |
479 |
|
|
else |
480 |
|
|
{ |
481 |
root |
1.27 |
io_watcher &w = *iow[i]; |
482 |
|
|
short revents = w.events; |
483 |
root |
1.19 |
|
484 |
root |
1.27 |
if (!FD_ISSET (w.fd, &rfd)) revents &= ~EVENT_READ; |
485 |
|
|
if (!FD_ISSET (w.fd, &wfd)) revents &= ~EVENT_WRITE; |
486 |
root |
1.19 |
|
487 |
|
|
if (revents) |
488 |
root |
1.27 |
w.call (w, revents); |
489 |
root |
1.19 |
} |
490 |
|
|
#endif |
491 |
|
|
} |
492 |
pcg |
1.8 |
else if (fds < 0 && errno != EINTR) |
493 |
|
|
{ |
494 |
root |
1.19 |
perror ("io_manager: fatal error while waiting for I/O or time event, aborting."); |
495 |
pcg |
1.8 |
abort (); |
496 |
|
|
} |
497 |
pcg |
1.7 |
#if IOM_IDLE |
498 |
pcg |
1.8 |
else |
499 |
|
|
for (int i = iw.size (); i--; ) |
500 |
|
|
if (!iw[i]) |
501 |
|
|
iw.erase_unordered (i); |
502 |
|
|
else |
503 |
|
|
iw[i]->call (*iw[i]); |
504 |
pcg |
1.7 |
#endif |
505 |
|
|
|
506 |
pcg |
1.4 |
#elif IOM_TIME |
507 |
pcg |
1.5 |
if (!to) |
508 |
|
|
break; |
509 |
|
|
|
510 |
pcg |
1.4 |
select (0, 0, 0, 0, &to); |
511 |
|
|
set_now (); |
512 |
pcg |
1.5 |
#else |
513 |
|
|
break; |
514 |
pcg |
1.4 |
#endif |
515 |
pcg |
1.5 |
} |
516 |
pcg |
1.1 |
} |
517 |
|
|
|