| … | |
… | |
| 19 | |
19 | |
| 20 | #include <cstdio> |
20 | #include <cstdio> |
| 21 | #include <cstdlib> |
21 | #include <cstdlib> |
| 22 | #include <cerrno> |
22 | #include <cerrno> |
| 23 | |
23 | |
|
|
24 | #include <sys/time.h> |
|
|
25 | |
|
|
26 | #if 1 // older unices need these includes for select(2) |
|
|
27 | # include <unistd.h> |
|
|
28 | # include <sys/types.h> |
|
|
29 | #endif |
|
|
30 | |
|
|
31 | // if the BSDs would at least be marginally POSIX-compatible.. *sigh* |
|
|
32 | // until that happens, sys/select.h must come last |
| 24 | #include <sys/select.h> |
33 | #include <sys/select.h> |
| 25 | #include <sys/time.h> |
|
|
| 26 | |
34 | |
| 27 | #include "iom.h" |
35 | #include "iom.h" |
| 28 | |
36 | |
| 29 | // TSTAMP_MAX must still fit into a positive struct timeval |
37 | // TSTAMP_MAX must still fit into a positive struct timeval |
| 30 | #define TSTAMP_MAX (double)(1UL<<31) |
38 | #define TSTAMP_MAX (double)(1UL<<31) |
|
|
39 | |
|
|
40 | // this is a dummy time watcher to ensure that the first |
|
|
41 | // time watcher is _always_ valid, this gets rid of a lot |
|
|
42 | // of null-pointer-checks |
|
|
43 | // (must come _before_ iom is being defined) |
|
|
44 | static struct tw0 : time_watcher { |
|
|
45 | void cb (time_watcher &w) |
|
|
46 | { |
|
|
47 | // should never get called |
|
|
48 | // reached end-of-time, or tstamp has a bogus definition, |
|
|
49 | // or compiler initilization order broken, or somethine else :) |
|
|
50 | abort (); |
|
|
51 | } |
|
|
52 | |
|
|
53 | tw0() |
|
|
54 | : time_watcher (this, &tw0::cb) |
|
|
55 | { } |
|
|
56 | } tw0; |
| 31 | |
57 | |
| 32 | tstamp NOW; |
58 | tstamp NOW; |
| 33 | static bool iom_valid; |
59 | static bool iom_valid; |
| 34 | io_manager iom; |
60 | io_manager iom; |
| 35 | |
61 | |
| … | |
… | |
| 39 | if (!iom_valid) |
65 | if (!iom_valid) |
| 40 | abort (); |
66 | abort (); |
| 41 | |
67 | |
| 42 | if (!w->active) |
68 | if (!w->active) |
| 43 | { |
69 | { |
|
|
70 | #if IOM_CHECK |
|
|
71 | queue.activity = true; |
|
|
72 | #endif |
| 44 | queue.push_back (w); |
73 | queue.push_back (w); |
| 45 | w->active = queue.size (); |
74 | w->active = queue.size (); |
| 46 | } |
75 | } |
| 47 | } |
76 | } |
| 48 | |
77 | |
| … | |
… | |
| 150 | } |
179 | } |
| 151 | #endif |
180 | #endif |
| 152 | } |
181 | } |
| 153 | |
182 | |
| 154 | #if IOM_CHECK |
183 | #if IOM_CHECK |
|
|
184 | tw.activity = false; |
|
|
185 | |
| 155 | for (int i = cw.size (); i--; ) |
186 | for (int i = cw.size (); i--; ) |
| 156 | if (!cw[i]) |
187 | if (!cw[i]) |
| 157 | cw.erase_unordered (i); |
188 | cw.erase_unordered (i); |
| 158 | else |
189 | else |
| 159 | cw[i]->call (*cw[i]); |
190 | cw[i]->call (*cw[i]); |
|
|
191 | |
|
|
192 | if (tw.activity) |
|
|
193 | { |
|
|
194 | tval.tv_sec = 0; |
|
|
195 | tval.tv_usec = 0; |
|
|
196 | to = &tval; |
|
|
197 | } |
| 160 | #endif |
198 | #endif |
| 161 | |
199 | |
| 162 | #if IOM_IO |
200 | #if IOM_IO |
| 163 | fd_set rfd, wfd, efd; |
201 | fd_set rfd, wfd, efd; |
| 164 | |
202 | |
| … | |
… | |
| 222 | break; |
260 | break; |
| 223 | #endif |
261 | #endif |
| 224 | } |
262 | } |
| 225 | } |
263 | } |
| 226 | |
264 | |
| 227 | // this is a dummy time watcher to ensure that the first |
|
|
| 228 | // time watcher is _always_ valid, this gets rid of a lot |
|
|
| 229 | // of null-pointer-checks |
|
|
| 230 | static struct tw0 : time_watcher { |
|
|
| 231 | void cb (time_watcher &w) |
|
|
| 232 | { |
|
|
| 233 | // should never get called |
|
|
| 234 | // reached end-of-time, or tstamp has a bogus definition :) |
|
|
| 235 | abort (); |
|
|
| 236 | } |
|
|
| 237 | |
|
|
| 238 | tw0() |
|
|
| 239 | : time_watcher (this, &tw0::cb) |
|
|
| 240 | { } |
|
|
| 241 | } tw0; |
|
|
| 242 | |
|
|
| 243 | io_manager::io_manager () |
265 | io_manager::io_manager () |
| 244 | { |
266 | { |
| 245 | iom_valid = true; |
267 | iom_valid = true; |
| 246 | |
268 | |
| 247 | #if IOM_TIME |
269 | #if IOM_TIME |
