… | |
… | |
2 | * libev event processing core, watcher management |
2 | * libev event processing core, watcher management |
3 | * |
3 | * |
4 | * Copyright (c) 2007 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007 Marc Alexander Lehmann <libev@schmorp.de> |
5 | * All rights reserved. |
5 | * All rights reserved. |
6 | * |
6 | * |
7 | * Redistribution and use in source and binary forms, with or without |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
8 | * modification, are permitted provided that the following conditions are |
8 | * tion, are permitted provided that the following conditions are met: |
9 | * met: |
9 | * |
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10 | * 1. Redistributions of source code must retain the above copyright notice, |
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11 | * this list of conditions and the following disclaimer. |
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12 | * |
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13 | * 2. Redistributions in binary form must reproduce the above copyright |
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14 | * notice, this list of conditions and the following disclaimer in the |
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15 | * documentation and/or other materials provided with the distribution. |
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16 | * |
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17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
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18 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER- |
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19 | * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
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20 | * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE- |
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21 | * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
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22 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
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23 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
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24 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH- |
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25 | * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
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26 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
10 | * |
27 | * |
11 | * * Redistributions of source code must retain the above copyright |
28 | * Alternatively, the contents of this file may be used under the terms of |
12 | * notice, this list of conditions and the following disclaimer. |
29 | * the GNU General Public License ("GPL") version 2 or any later version, |
13 | * |
30 | * in which case the provisions of the GPL are applicable instead of |
14 | * * Redistributions in binary form must reproduce the above |
31 | * the above. If you wish to allow the use of your version of this file |
15 | * copyright notice, this list of conditions and the following |
32 | * only under the terms of the GPL and not to allow others to use your |
16 | * disclaimer in the documentation and/or other materials provided |
33 | * version of this file under the BSD license, indicate your decision |
17 | * with the distribution. |
34 | * by deleting the provisions above and replace them with the notice |
18 | * |
35 | * and other provisions required by the GPL. If you do not delete the |
19 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
36 | * provisions above, a recipient may use your version of this file under |
20 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
37 | * either the BSD or the GPL. |
21 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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22 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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23 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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24 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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25 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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26 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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27 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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28 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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29 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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30 | */ |
38 | */ |
31 | |
39 | |
32 | #ifdef __cplusplus |
40 | #ifdef __cplusplus |
33 | extern "C" { |
41 | extern "C" { |
34 | #endif |
42 | #endif |
… | |
… | |
51 | # ifndef EV_USE_MONOTONIC |
59 | # ifndef EV_USE_MONOTONIC |
52 | # define EV_USE_MONOTONIC 0 |
60 | # define EV_USE_MONOTONIC 0 |
53 | # endif |
61 | # endif |
54 | # ifndef EV_USE_REALTIME |
62 | # ifndef EV_USE_REALTIME |
55 | # define EV_USE_REALTIME 0 |
63 | # define EV_USE_REALTIME 0 |
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64 | # endif |
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65 | # endif |
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66 | |
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67 | # ifndef EV_USE_NANOSLEEP |
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68 | # if HAVE_NANOSLEEP |
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69 | # define EV_USE_NANOSLEEP 1 |
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70 | # else |
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71 | # define EV_USE_NANOSLEEP 0 |
56 | # endif |
72 | # endif |
57 | # endif |
73 | # endif |
58 | |
74 | |
59 | # ifndef EV_USE_SELECT |
75 | # ifndef EV_USE_SELECT |
60 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
76 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
… | |
… | |
94 | # else |
110 | # else |
95 | # define EV_USE_PORT 0 |
111 | # define EV_USE_PORT 0 |
96 | # endif |
112 | # endif |
97 | # endif |
113 | # endif |
98 | |
114 | |
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115 | # ifndef EV_USE_INOTIFY |
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116 | # if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H |
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117 | # define EV_USE_INOTIFY 1 |
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118 | # else |
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119 | # define EV_USE_INOTIFY 0 |
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120 | # endif |
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121 | # endif |
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122 | |
99 | #endif |
123 | #endif |
100 | |
124 | |
101 | #include <math.h> |
125 | #include <math.h> |
102 | #include <stdlib.h> |
126 | #include <stdlib.h> |
103 | #include <fcntl.h> |
127 | #include <fcntl.h> |
… | |
… | |
109 | #include <errno.h> |
133 | #include <errno.h> |
110 | #include <sys/types.h> |
134 | #include <sys/types.h> |
111 | #include <time.h> |
135 | #include <time.h> |
112 | |
136 | |
113 | #include <signal.h> |
137 | #include <signal.h> |
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138 | |
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139 | #ifdef EV_H |
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140 | # include EV_H |
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141 | #else |
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142 | # include "ev.h" |
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143 | #endif |
114 | |
144 | |
115 | #ifndef _WIN32 |
145 | #ifndef _WIN32 |
116 | # include <sys/time.h> |
146 | # include <sys/time.h> |
117 | # include <sys/wait.h> |
147 | # include <sys/wait.h> |
118 | # include <unistd.h> |
148 | # include <unistd.h> |
… | |
… | |
132 | |
162 | |
133 | #ifndef EV_USE_REALTIME |
163 | #ifndef EV_USE_REALTIME |
134 | # define EV_USE_REALTIME 0 |
164 | # define EV_USE_REALTIME 0 |
135 | #endif |
165 | #endif |
136 | |
166 | |
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167 | #ifndef EV_USE_NANOSLEEP |
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168 | # define EV_USE_NANOSLEEP 0 |
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169 | #endif |
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170 | |
137 | #ifndef EV_USE_SELECT |
171 | #ifndef EV_USE_SELECT |
138 | # define EV_USE_SELECT 1 |
172 | # define EV_USE_SELECT 1 |
139 | #endif |
173 | #endif |
140 | |
174 | |
141 | #ifndef EV_USE_POLL |
175 | #ifndef EV_USE_POLL |
… | |
… | |
156 | |
190 | |
157 | #ifndef EV_USE_PORT |
191 | #ifndef EV_USE_PORT |
158 | # define EV_USE_PORT 0 |
192 | # define EV_USE_PORT 0 |
159 | #endif |
193 | #endif |
160 | |
194 | |
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195 | #ifndef EV_USE_INOTIFY |
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196 | # define EV_USE_INOTIFY 0 |
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197 | #endif |
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198 | |
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199 | #ifndef EV_PID_HASHSIZE |
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200 | # if EV_MINIMAL |
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201 | # define EV_PID_HASHSIZE 1 |
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202 | # else |
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203 | # define EV_PID_HASHSIZE 16 |
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204 | # endif |
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205 | #endif |
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206 | |
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207 | #ifndef EV_INOTIFY_HASHSIZE |
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208 | # if EV_MINIMAL |
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209 | # define EV_INOTIFY_HASHSIZE 1 |
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210 | # else |
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211 | # define EV_INOTIFY_HASHSIZE 16 |
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212 | # endif |
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213 | #endif |
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214 | |
161 | /**/ |
215 | /**/ |
162 | |
216 | |
163 | #ifndef CLOCK_MONOTONIC |
217 | #ifndef CLOCK_MONOTONIC |
164 | # undef EV_USE_MONOTONIC |
218 | # undef EV_USE_MONOTONIC |
165 | # define EV_USE_MONOTONIC 0 |
219 | # define EV_USE_MONOTONIC 0 |
… | |
… | |
168 | #ifndef CLOCK_REALTIME |
222 | #ifndef CLOCK_REALTIME |
169 | # undef EV_USE_REALTIME |
223 | # undef EV_USE_REALTIME |
170 | # define EV_USE_REALTIME 0 |
224 | # define EV_USE_REALTIME 0 |
171 | #endif |
225 | #endif |
172 | |
226 | |
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227 | #if !EV_STAT_ENABLE |
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228 | # undef EV_USE_INOTIFY |
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229 | # define EV_USE_INOTIFY 0 |
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230 | #endif |
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231 | |
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232 | #if !EV_USE_NANOSLEEP |
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233 | # ifndef _WIN32 |
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234 | # include <sys/select.h> |
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235 | # endif |
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236 | #endif |
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237 | |
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238 | #if EV_USE_INOTIFY |
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239 | # include <sys/inotify.h> |
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240 | #endif |
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241 | |
173 | #if EV_SELECT_IS_WINSOCKET |
242 | #if EV_SELECT_IS_WINSOCKET |
174 | # include <winsock.h> |
243 | # include <winsock.h> |
175 | #endif |
244 | #endif |
176 | |
245 | |
177 | /**/ |
246 | /**/ |
178 | |
247 | |
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248 | /* |
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249 | * This is used to avoid floating point rounding problems. |
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250 | * It is added to ev_rt_now when scheduling periodics |
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251 | * to ensure progress, time-wise, even when rounding |
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252 | * errors are against us. |
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253 | * This value is good at least till the year 4000. |
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254 | * Better solutions welcome. |
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255 | */ |
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256 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
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257 | |
179 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
258 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
180 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
259 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
181 | #define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */ |
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182 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds */ |
260 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds, TODO */ |
183 | |
261 | |
184 | #ifdef EV_H |
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185 | # include EV_H |
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186 | #else |
|
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187 | # include "ev.h" |
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188 | #endif |
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189 | |
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190 | #if __GNUC__ >= 3 |
262 | #if __GNUC__ >= 4 |
191 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
263 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
192 | # define inline_size static inline /* inline for codesize */ |
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193 | # if EV_MINIMAL |
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194 | # define noinline __attribute__ ((noinline)) |
264 | # define noinline __attribute__ ((noinline)) |
195 | # define inline_speed static noinline |
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196 | # else |
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197 | # define noinline |
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198 | # define inline_speed static inline |
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199 | # endif |
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200 | #else |
265 | #else |
201 | # define expect(expr,value) (expr) |
266 | # define expect(expr,value) (expr) |
202 | # define inline_speed static |
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203 | # define inline_size static |
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204 | # define noinline |
267 | # define noinline |
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268 | # if __STDC_VERSION__ < 199901L |
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269 | # define inline |
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270 | # endif |
205 | #endif |
271 | #endif |
206 | |
272 | |
207 | #define expect_false(expr) expect ((expr) != 0, 0) |
273 | #define expect_false(expr) expect ((expr) != 0, 0) |
208 | #define expect_true(expr) expect ((expr) != 0, 1) |
274 | #define expect_true(expr) expect ((expr) != 0, 1) |
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275 | #define inline_size static inline |
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276 | |
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277 | #if EV_MINIMAL |
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278 | # define inline_speed static noinline |
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279 | #else |
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280 | # define inline_speed static inline |
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281 | #endif |
209 | |
282 | |
210 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
283 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
211 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
284 | #define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
212 | |
285 | |
213 | #define EMPTY0 /* required for microsofts broken pseudo-c compiler */ |
286 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
214 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
287 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
215 | |
288 | |
216 | typedef ev_watcher *W; |
289 | typedef ev_watcher *W; |
217 | typedef ev_watcher_list *WL; |
290 | typedef ev_watcher_list *WL; |
218 | typedef ev_watcher_time *WT; |
291 | typedef ev_watcher_time *WT; |
219 | |
292 | |
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293 | #if EV_USE_MONOTONIC |
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294 | /* sig_atomic_t is used to avoid per-thread variables or locking but still */ |
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295 | /* giving it a reasonably high chance of working on typical architetcures */ |
220 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
296 | static sig_atomic_t have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
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297 | #endif |
221 | |
298 | |
222 | #ifdef _WIN32 |
299 | #ifdef _WIN32 |
223 | # include "ev_win32.c" |
300 | # include "ev_win32.c" |
224 | #endif |
301 | #endif |
225 | |
302 | |
… | |
… | |
254 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
331 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
255 | { |
332 | { |
256 | alloc = cb; |
333 | alloc = cb; |
257 | } |
334 | } |
258 | |
335 | |
259 | static void * |
336 | inline_speed void * |
260 | ev_realloc (void *ptr, long size) |
337 | ev_realloc (void *ptr, long size) |
261 | { |
338 | { |
262 | ptr = alloc ? alloc (ptr, size) : realloc (ptr, size); |
339 | ptr = alloc ? alloc (ptr, size) : realloc (ptr, size); |
263 | |
340 | |
264 | if (!ptr && size) |
341 | if (!ptr && size) |
… | |
… | |
288 | typedef struct |
365 | typedef struct |
289 | { |
366 | { |
290 | W w; |
367 | W w; |
291 | int events; |
368 | int events; |
292 | } ANPENDING; |
369 | } ANPENDING; |
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370 | |
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371 | #if EV_USE_INOTIFY |
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372 | typedef struct |
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373 | { |
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374 | WL head; |
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375 | } ANFS; |
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376 | #endif |
293 | |
377 | |
294 | #if EV_MULTIPLICITY |
378 | #if EV_MULTIPLICITY |
295 | |
379 | |
296 | struct ev_loop |
380 | struct ev_loop |
297 | { |
381 | { |
… | |
… | |
354 | { |
438 | { |
355 | return ev_rt_now; |
439 | return ev_rt_now; |
356 | } |
440 | } |
357 | #endif |
441 | #endif |
358 | |
442 | |
359 | #define array_roundsize(type,n) (((n) | 4) & ~3) |
443 | void |
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444 | ev_sleep (ev_tstamp delay) |
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445 | { |
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446 | if (delay > 0.) |
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447 | { |
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448 | #if EV_USE_NANOSLEEP |
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449 | struct timespec ts; |
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450 | |
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451 | ts.tv_sec = (time_t)delay; |
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452 | ts.tv_nsec = (long)((delay - (ev_tstamp)(ts.tv_sec)) * 1e9); |
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453 | |
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454 | nanosleep (&ts, 0); |
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455 | #elif defined(_WIN32) |
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456 | Sleep (delay * 1e3); |
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457 | #else |
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458 | struct timeval tv; |
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459 | |
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460 | tv.tv_sec = (time_t)delay; |
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461 | tv.tv_usec = (long)((delay - (ev_tstamp)(tv.tv_sec)) * 1e6); |
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462 | |
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463 | select (0, 0, 0, 0, &tv); |
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464 | #endif |
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465 | } |
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466 | } |
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467 | |
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468 | /*****************************************************************************/ |
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469 | |
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470 | int inline_size |
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471 | array_nextsize (int elem, int cur, int cnt) |
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472 | { |
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473 | int ncur = cur + 1; |
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474 | |
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475 | do |
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476 | ncur <<= 1; |
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477 | while (cnt > ncur); |
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478 | |
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479 | /* if size > 4096, round to 4096 - 4 * longs to accomodate malloc overhead */ |
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480 | if (elem * ncur > 4096) |
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481 | { |
|
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482 | ncur *= elem; |
|
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483 | ncur = (ncur + elem + 4095 + sizeof (void *) * 4) & ~4095; |
|
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484 | ncur = ncur - sizeof (void *) * 4; |
|
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485 | ncur /= elem; |
|
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486 | } |
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487 | |
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488 | return ncur; |
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489 | } |
|
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490 | |
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491 | static noinline void * |
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492 | array_realloc (int elem, void *base, int *cur, int cnt) |
|
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493 | { |
|
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494 | *cur = array_nextsize (elem, *cur, cnt); |
|
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495 | return ev_realloc (base, elem * *cur); |
|
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496 | } |
360 | |
497 | |
361 | #define array_needsize(type,base,cur,cnt,init) \ |
498 | #define array_needsize(type,base,cur,cnt,init) \ |
362 | if (expect_false ((cnt) > cur)) \ |
499 | if (expect_false ((cnt) > (cur))) \ |
363 | { \ |
500 | { \ |
364 | int newcnt = cur; \ |
501 | int ocur_ = (cur); \ |
365 | do \ |
502 | (base) = (type *)array_realloc \ |
366 | { \ |
503 | (sizeof (type), (base), &(cur), (cnt)); \ |
367 | newcnt = array_roundsize (type, newcnt << 1); \ |
504 | init ((base) + (ocur_), (cur) - ocur_); \ |
368 | } \ |
|
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369 | while ((cnt) > newcnt); \ |
|
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370 | \ |
|
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371 | base = (type *)ev_realloc (base, sizeof (type) * (newcnt));\ |
|
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372 | init (base + cur, newcnt - cur); \ |
|
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373 | cur = newcnt; \ |
|
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374 | } |
505 | } |
375 | |
506 | |
|
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507 | #if 0 |
376 | #define array_slim(type,stem) \ |
508 | #define array_slim(type,stem) \ |
377 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
509 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
378 | { \ |
510 | { \ |
379 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
511 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
380 | base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\ |
512 | base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\ |
381 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
513 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
382 | } |
514 | } |
|
|
515 | #endif |
383 | |
516 | |
384 | #define array_free(stem, idx) \ |
517 | #define array_free(stem, idx) \ |
385 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
518 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
386 | |
519 | |
387 | /*****************************************************************************/ |
520 | /*****************************************************************************/ |
388 | |
521 | |
389 | void noinline |
522 | void noinline |
390 | ev_feed_event (EV_P_ void *w, int revents) |
523 | ev_feed_event (EV_P_ void *w, int revents) |
391 | { |
524 | { |
392 | W w_ = (W)w; |
525 | W w_ = (W)w; |
|
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526 | int pri = ABSPRI (w_); |
393 | |
527 | |
394 | if (expect_false (w_->pending)) |
528 | if (expect_false (w_->pending)) |
|
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529 | pendings [pri][w_->pending - 1].events |= revents; |
|
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530 | else |
395 | { |
531 | { |
|
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532 | w_->pending = ++pendingcnt [pri]; |
|
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533 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); |
|
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534 | pendings [pri][w_->pending - 1].w = w_; |
396 | pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; |
535 | pendings [pri][w_->pending - 1].events = revents; |
397 | return; |
|
|
398 | } |
536 | } |
399 | |
|
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400 | w_->pending = ++pendingcnt [ABSPRI (w_)]; |
|
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401 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2); |
|
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402 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
|
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403 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
|
|
404 | } |
537 | } |
405 | |
538 | |
406 | void inline_size |
539 | void inline_speed |
407 | queue_events (EV_P_ W *events, int eventcnt, int type) |
540 | queue_events (EV_P_ W *events, int eventcnt, int type) |
408 | { |
541 | { |
409 | int i; |
542 | int i; |
410 | |
543 | |
411 | for (i = 0; i < eventcnt; ++i) |
544 | for (i = 0; i < eventcnt; ++i) |
… | |
… | |
443 | } |
576 | } |
444 | |
577 | |
445 | void |
578 | void |
446 | ev_feed_fd_event (EV_P_ int fd, int revents) |
579 | ev_feed_fd_event (EV_P_ int fd, int revents) |
447 | { |
580 | { |
|
|
581 | if (fd >= 0 && fd < anfdmax) |
448 | fd_event (EV_A_ fd, revents); |
582 | fd_event (EV_A_ fd, revents); |
449 | } |
583 | } |
450 | |
584 | |
451 | void inline_size |
585 | void inline_size |
452 | fd_reify (EV_P) |
586 | fd_reify (EV_P) |
453 | { |
587 | { |
… | |
… | |
457 | { |
591 | { |
458 | int fd = fdchanges [i]; |
592 | int fd = fdchanges [i]; |
459 | ANFD *anfd = anfds + fd; |
593 | ANFD *anfd = anfds + fd; |
460 | ev_io *w; |
594 | ev_io *w; |
461 | |
595 | |
462 | int events = 0; |
596 | unsigned char events = 0; |
463 | |
597 | |
464 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
598 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
465 | events |= w->events; |
599 | events |= (unsigned char)w->events; |
466 | |
600 | |
467 | #if EV_SELECT_IS_WINSOCKET |
601 | #if EV_SELECT_IS_WINSOCKET |
468 | if (events) |
602 | if (events) |
469 | { |
603 | { |
470 | unsigned long argp; |
604 | unsigned long argp; |
|
|
605 | #ifdef EV_FD_TO_WIN32_HANDLE |
|
|
606 | anfd->handle = EV_FD_TO_WIN32_HANDLE (fd); |
|
|
607 | #else |
471 | anfd->handle = _get_osfhandle (fd); |
608 | anfd->handle = _get_osfhandle (fd); |
|
|
609 | #endif |
472 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
610 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
473 | } |
611 | } |
474 | #endif |
612 | #endif |
475 | |
613 | |
|
|
614 | { |
|
|
615 | unsigned char o_events = anfd->events; |
|
|
616 | unsigned char o_reify = anfd->reify; |
|
|
617 | |
476 | anfd->reify = 0; |
618 | anfd->reify = 0; |
477 | |
|
|
478 | backend_modify (EV_A_ fd, anfd->events, events); |
|
|
479 | anfd->events = events; |
619 | anfd->events = events; |
|
|
620 | |
|
|
621 | if (o_events != events || o_reify & EV_IOFDSET) |
|
|
622 | backend_modify (EV_A_ fd, o_events, events); |
|
|
623 | } |
480 | } |
624 | } |
481 | |
625 | |
482 | fdchangecnt = 0; |
626 | fdchangecnt = 0; |
483 | } |
627 | } |
484 | |
628 | |
485 | void inline_size |
629 | void inline_size |
486 | fd_change (EV_P_ int fd) |
630 | fd_change (EV_P_ int fd, int flags) |
487 | { |
631 | { |
488 | if (expect_false (anfds [fd].reify)) |
632 | unsigned char reify = anfds [fd].reify; |
489 | return; |
|
|
490 | |
|
|
491 | anfds [fd].reify = 1; |
633 | anfds [fd].reify |= flags; |
492 | |
634 | |
|
|
635 | if (expect_true (!reify)) |
|
|
636 | { |
493 | ++fdchangecnt; |
637 | ++fdchangecnt; |
494 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
638 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
495 | fdchanges [fdchangecnt - 1] = fd; |
639 | fdchanges [fdchangecnt - 1] = fd; |
|
|
640 | } |
496 | } |
641 | } |
497 | |
642 | |
498 | void inline_speed |
643 | void inline_speed |
499 | fd_kill (EV_P_ int fd) |
644 | fd_kill (EV_P_ int fd) |
500 | { |
645 | { |
… | |
… | |
547 | static void noinline |
692 | static void noinline |
548 | fd_rearm_all (EV_P) |
693 | fd_rearm_all (EV_P) |
549 | { |
694 | { |
550 | int fd; |
695 | int fd; |
551 | |
696 | |
552 | /* this should be highly optimised to not do anything but set a flag */ |
|
|
553 | for (fd = 0; fd < anfdmax; ++fd) |
697 | for (fd = 0; fd < anfdmax; ++fd) |
554 | if (anfds [fd].events) |
698 | if (anfds [fd].events) |
555 | { |
699 | { |
556 | anfds [fd].events = 0; |
700 | anfds [fd].events = 0; |
557 | fd_change (EV_A_ fd); |
701 | fd_change (EV_A_ fd, EV_IOFDSET | 1); |
558 | } |
702 | } |
559 | } |
703 | } |
560 | |
704 | |
561 | /*****************************************************************************/ |
705 | /*****************************************************************************/ |
562 | |
706 | |
563 | void inline_speed |
707 | void inline_speed |
564 | upheap (WT *heap, int k) |
708 | upheap (WT *heap, int k) |
565 | { |
709 | { |
566 | WT w = heap [k]; |
710 | WT w = heap [k]; |
567 | |
711 | |
568 | while (k && heap [k >> 1]->at > w->at) |
712 | while (k) |
569 | { |
713 | { |
|
|
714 | int p = (k - 1) >> 1; |
|
|
715 | |
|
|
716 | if (heap [p]->at <= w->at) |
|
|
717 | break; |
|
|
718 | |
570 | heap [k] = heap [k >> 1]; |
719 | heap [k] = heap [p]; |
571 | ((W)heap [k])->active = k + 1; |
720 | ((W)heap [k])->active = k + 1; |
572 | k >>= 1; |
721 | k = p; |
573 | } |
722 | } |
574 | |
723 | |
575 | heap [k] = w; |
724 | heap [k] = w; |
576 | ((W)heap [k])->active = k + 1; |
725 | ((W)heap [k])->active = k + 1; |
577 | |
|
|
578 | } |
726 | } |
579 | |
727 | |
580 | void inline_speed |
728 | void inline_speed |
581 | downheap (WT *heap, int N, int k) |
729 | downheap (WT *heap, int N, int k) |
582 | { |
730 | { |
583 | WT w = heap [k]; |
731 | WT w = heap [k]; |
584 | |
732 | |
585 | while (k < (N >> 1)) |
733 | for (;;) |
586 | { |
734 | { |
587 | int j = k << 1; |
735 | int c = (k << 1) + 1; |
588 | |
736 | |
589 | if (j + 1 < N && heap [j]->at > heap [j + 1]->at) |
737 | if (c >= N) |
590 | ++j; |
|
|
591 | |
|
|
592 | if (w->at <= heap [j]->at) |
|
|
593 | break; |
738 | break; |
594 | |
739 | |
|
|
740 | c += c + 1 < N && heap [c]->at > heap [c + 1]->at |
|
|
741 | ? 1 : 0; |
|
|
742 | |
|
|
743 | if (w->at <= heap [c]->at) |
|
|
744 | break; |
|
|
745 | |
595 | heap [k] = heap [j]; |
746 | heap [k] = heap [c]; |
596 | ((W)heap [k])->active = k + 1; |
747 | ((W)heap [k])->active = k + 1; |
|
|
748 | |
597 | k = j; |
749 | k = c; |
598 | } |
750 | } |
599 | |
751 | |
600 | heap [k] = w; |
752 | heap [k] = w; |
601 | ((W)heap [k])->active = k + 1; |
753 | ((W)heap [k])->active = k + 1; |
602 | } |
754 | } |
… | |
… | |
684 | for (signum = signalmax; signum--; ) |
836 | for (signum = signalmax; signum--; ) |
685 | if (signals [signum].gotsig) |
837 | if (signals [signum].gotsig) |
686 | ev_feed_signal_event (EV_A_ signum + 1); |
838 | ev_feed_signal_event (EV_A_ signum + 1); |
687 | } |
839 | } |
688 | |
840 | |
689 | void inline_size |
841 | void inline_speed |
690 | fd_intern (int fd) |
842 | fd_intern (int fd) |
691 | { |
843 | { |
692 | #ifdef _WIN32 |
844 | #ifdef _WIN32 |
693 | int arg = 1; |
845 | int arg = 1; |
694 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
846 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
… | |
… | |
709 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
861 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
710 | } |
862 | } |
711 | |
863 | |
712 | /*****************************************************************************/ |
864 | /*****************************************************************************/ |
713 | |
865 | |
714 | static ev_child *childs [PID_HASHSIZE]; |
866 | static WL childs [EV_PID_HASHSIZE]; |
715 | |
867 | |
716 | #ifndef _WIN32 |
868 | #ifndef _WIN32 |
717 | |
869 | |
718 | static ev_signal childev; |
870 | static ev_signal childev; |
719 | |
871 | |
720 | void inline_speed |
872 | void inline_speed |
721 | child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status) |
873 | child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status) |
722 | { |
874 | { |
723 | ev_child *w; |
875 | ev_child *w; |
724 | |
876 | |
725 | for (w = (ev_child *)childs [chain & (PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
877 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
726 | if (w->pid == pid || !w->pid) |
878 | if (w->pid == pid || !w->pid) |
727 | { |
879 | { |
728 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
880 | ev_set_priority (w, ev_priority (sw)); /* need to do it *now* */ |
729 | w->rpid = pid; |
881 | w->rpid = pid; |
730 | w->rstatus = status; |
882 | w->rstatus = status; |
731 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
883 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
732 | } |
884 | } |
733 | } |
885 | } |
734 | |
886 | |
735 | #ifndef WCONTINUED |
887 | #ifndef WCONTINUED |
… | |
… | |
751 | /* make sure we are called again until all childs have been reaped */ |
903 | /* make sure we are called again until all childs have been reaped */ |
752 | /* we need to do it this way so that the callback gets called before we continue */ |
904 | /* we need to do it this way so that the callback gets called before we continue */ |
753 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
905 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
754 | |
906 | |
755 | child_reap (EV_A_ sw, pid, pid, status); |
907 | child_reap (EV_A_ sw, pid, pid, status); |
|
|
908 | if (EV_PID_HASHSIZE > 1) |
756 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
909 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
757 | } |
910 | } |
758 | |
911 | |
759 | #endif |
912 | #endif |
760 | |
913 | |
761 | /*****************************************************************************/ |
914 | /*****************************************************************************/ |
… | |
… | |
833 | } |
986 | } |
834 | |
987 | |
835 | unsigned int |
988 | unsigned int |
836 | ev_embeddable_backends (void) |
989 | ev_embeddable_backends (void) |
837 | { |
990 | { |
838 | return EVBACKEND_EPOLL |
991 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
839 | | EVBACKEND_KQUEUE |
992 | |
840 | | EVBACKEND_PORT; |
993 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
|
|
994 | /* please fix it and tell me how to detect the fix */ |
|
|
995 | flags &= ~EVBACKEND_EPOLL; |
|
|
996 | |
|
|
997 | return flags; |
841 | } |
998 | } |
842 | |
999 | |
843 | unsigned int |
1000 | unsigned int |
844 | ev_backend (EV_P) |
1001 | ev_backend (EV_P) |
845 | { |
1002 | { |
846 | return backend; |
1003 | return backend; |
847 | } |
1004 | } |
848 | |
1005 | |
849 | static void |
1006 | unsigned int |
|
|
1007 | ev_loop_count (EV_P) |
|
|
1008 | { |
|
|
1009 | return loop_count; |
|
|
1010 | } |
|
|
1011 | |
|
|
1012 | void |
|
|
1013 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) |
|
|
1014 | { |
|
|
1015 | io_blocktime = interval; |
|
|
1016 | } |
|
|
1017 | |
|
|
1018 | void |
|
|
1019 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) |
|
|
1020 | { |
|
|
1021 | timeout_blocktime = interval; |
|
|
1022 | } |
|
|
1023 | |
|
|
1024 | static void noinline |
850 | loop_init (EV_P_ unsigned int flags) |
1025 | loop_init (EV_P_ unsigned int flags) |
851 | { |
1026 | { |
852 | if (!backend) |
1027 | if (!backend) |
853 | { |
1028 | { |
854 | #if EV_USE_MONOTONIC |
1029 | #if EV_USE_MONOTONIC |
… | |
… | |
862 | ev_rt_now = ev_time (); |
1037 | ev_rt_now = ev_time (); |
863 | mn_now = get_clock (); |
1038 | mn_now = get_clock (); |
864 | now_floor = mn_now; |
1039 | now_floor = mn_now; |
865 | rtmn_diff = ev_rt_now - mn_now; |
1040 | rtmn_diff = ev_rt_now - mn_now; |
866 | |
1041 | |
|
|
1042 | io_blocktime = 0.; |
|
|
1043 | timeout_blocktime = 0.; |
|
|
1044 | |
|
|
1045 | /* pid check not overridable via env */ |
|
|
1046 | #ifndef _WIN32 |
|
|
1047 | if (flags & EVFLAG_FORKCHECK) |
|
|
1048 | curpid = getpid (); |
|
|
1049 | #endif |
|
|
1050 | |
867 | if (!(flags & EVFLAG_NOENV) |
1051 | if (!(flags & EVFLAG_NOENV) |
868 | && !enable_secure () |
1052 | && !enable_secure () |
869 | && getenv ("LIBEV_FLAGS")) |
1053 | && getenv ("LIBEV_FLAGS")) |
870 | flags = atoi (getenv ("LIBEV_FLAGS")); |
1054 | flags = atoi (getenv ("LIBEV_FLAGS")); |
871 | |
1055 | |
872 | if (!(flags & 0x0000ffffUL)) |
1056 | if (!(flags & 0x0000ffffUL)) |
873 | flags |= ev_recommended_backends (); |
1057 | flags |= ev_recommended_backends (); |
874 | |
1058 | |
875 | backend = 0; |
1059 | backend = 0; |
|
|
1060 | backend_fd = -1; |
|
|
1061 | #if EV_USE_INOTIFY |
|
|
1062 | fs_fd = -2; |
|
|
1063 | #endif |
|
|
1064 | |
876 | #if EV_USE_PORT |
1065 | #if EV_USE_PORT |
877 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
1066 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
878 | #endif |
1067 | #endif |
879 | #if EV_USE_KQUEUE |
1068 | #if EV_USE_KQUEUE |
880 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
1069 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
… | |
… | |
892 | ev_init (&sigev, sigcb); |
1081 | ev_init (&sigev, sigcb); |
893 | ev_set_priority (&sigev, EV_MAXPRI); |
1082 | ev_set_priority (&sigev, EV_MAXPRI); |
894 | } |
1083 | } |
895 | } |
1084 | } |
896 | |
1085 | |
897 | static void |
1086 | static void noinline |
898 | loop_destroy (EV_P) |
1087 | loop_destroy (EV_P) |
899 | { |
1088 | { |
900 | int i; |
1089 | int i; |
|
|
1090 | |
|
|
1091 | #if EV_USE_INOTIFY |
|
|
1092 | if (fs_fd >= 0) |
|
|
1093 | close (fs_fd); |
|
|
1094 | #endif |
|
|
1095 | |
|
|
1096 | if (backend_fd >= 0) |
|
|
1097 | close (backend_fd); |
901 | |
1098 | |
902 | #if EV_USE_PORT |
1099 | #if EV_USE_PORT |
903 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
1100 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
904 | #endif |
1101 | #endif |
905 | #if EV_USE_KQUEUE |
1102 | #if EV_USE_KQUEUE |
… | |
… | |
914 | #if EV_USE_SELECT |
1111 | #if EV_USE_SELECT |
915 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
1112 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
916 | #endif |
1113 | #endif |
917 | |
1114 | |
918 | for (i = NUMPRI; i--; ) |
1115 | for (i = NUMPRI; i--; ) |
|
|
1116 | { |
919 | array_free (pending, [i]); |
1117 | array_free (pending, [i]); |
|
|
1118 | #if EV_IDLE_ENABLE |
|
|
1119 | array_free (idle, [i]); |
|
|
1120 | #endif |
|
|
1121 | } |
|
|
1122 | |
|
|
1123 | ev_free (anfds); anfdmax = 0; |
920 | |
1124 | |
921 | /* have to use the microsoft-never-gets-it-right macro */ |
1125 | /* have to use the microsoft-never-gets-it-right macro */ |
922 | array_free (fdchange, EMPTY0); |
1126 | array_free (fdchange, EMPTY); |
923 | array_free (timer, EMPTY0); |
1127 | array_free (timer, EMPTY); |
924 | #if EV_PERIODIC_ENABLE |
1128 | #if EV_PERIODIC_ENABLE |
925 | array_free (periodic, EMPTY0); |
1129 | array_free (periodic, EMPTY); |
926 | #endif |
1130 | #endif |
|
|
1131 | #if EV_FORK_ENABLE |
927 | array_free (idle, EMPTY0); |
1132 | array_free (fork, EMPTY); |
|
|
1133 | #endif |
928 | array_free (prepare, EMPTY0); |
1134 | array_free (prepare, EMPTY); |
929 | array_free (check, EMPTY0); |
1135 | array_free (check, EMPTY); |
930 | |
1136 | |
931 | backend = 0; |
1137 | backend = 0; |
932 | } |
1138 | } |
933 | |
1139 | |
934 | static void |
1140 | void inline_size infy_fork (EV_P); |
|
|
1141 | |
|
|
1142 | void inline_size |
935 | loop_fork (EV_P) |
1143 | loop_fork (EV_P) |
936 | { |
1144 | { |
937 | #if EV_USE_PORT |
1145 | #if EV_USE_PORT |
938 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
1146 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
939 | #endif |
1147 | #endif |
940 | #if EV_USE_KQUEUE |
1148 | #if EV_USE_KQUEUE |
941 | if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); |
1149 | if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); |
942 | #endif |
1150 | #endif |
943 | #if EV_USE_EPOLL |
1151 | #if EV_USE_EPOLL |
944 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
1152 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
|
|
1153 | #endif |
|
|
1154 | #if EV_USE_INOTIFY |
|
|
1155 | infy_fork (EV_A); |
945 | #endif |
1156 | #endif |
946 | |
1157 | |
947 | if (ev_is_active (&sigev)) |
1158 | if (ev_is_active (&sigev)) |
948 | { |
1159 | { |
949 | /* default loop */ |
1160 | /* default loop */ |
… | |
… | |
955 | |
1166 | |
956 | while (pipe (sigpipe)) |
1167 | while (pipe (sigpipe)) |
957 | syserr ("(libev) error creating pipe"); |
1168 | syserr ("(libev) error creating pipe"); |
958 | |
1169 | |
959 | siginit (EV_A); |
1170 | siginit (EV_A); |
|
|
1171 | sigcb (EV_A_ &sigev, EV_READ); |
960 | } |
1172 | } |
961 | |
1173 | |
962 | postfork = 0; |
1174 | postfork = 0; |
963 | } |
1175 | } |
964 | |
1176 | |
… | |
… | |
986 | } |
1198 | } |
987 | |
1199 | |
988 | void |
1200 | void |
989 | ev_loop_fork (EV_P) |
1201 | ev_loop_fork (EV_P) |
990 | { |
1202 | { |
991 | postfork = 1; |
1203 | postfork = 1; // must be in line with ev_default_fork |
992 | } |
1204 | } |
993 | |
1205 | |
994 | #endif |
1206 | #endif |
995 | |
1207 | |
996 | #if EV_MULTIPLICITY |
1208 | #if EV_MULTIPLICITY |
… | |
… | |
1060 | #if EV_MULTIPLICITY |
1272 | #if EV_MULTIPLICITY |
1061 | struct ev_loop *loop = ev_default_loop_ptr; |
1273 | struct ev_loop *loop = ev_default_loop_ptr; |
1062 | #endif |
1274 | #endif |
1063 | |
1275 | |
1064 | if (backend) |
1276 | if (backend) |
1065 | postfork = 1; |
1277 | postfork = 1; // must be in line with ev_loop_fork |
1066 | } |
1278 | } |
1067 | |
1279 | |
1068 | /*****************************************************************************/ |
1280 | /*****************************************************************************/ |
1069 | |
1281 | |
1070 | int inline_size |
1282 | void |
1071 | any_pending (EV_P) |
1283 | ev_invoke (EV_P_ void *w, int revents) |
1072 | { |
1284 | { |
1073 | int pri; |
1285 | EV_CB_INVOKE ((W)w, revents); |
1074 | |
|
|
1075 | for (pri = NUMPRI; pri--; ) |
|
|
1076 | if (pendingcnt [pri]) |
|
|
1077 | return 1; |
|
|
1078 | |
|
|
1079 | return 0; |
|
|
1080 | } |
1286 | } |
1081 | |
1287 | |
1082 | void inline_speed |
1288 | void inline_speed |
1083 | call_pending (EV_P) |
1289 | call_pending (EV_P) |
1084 | { |
1290 | { |
… | |
… | |
1089 | { |
1295 | { |
1090 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1296 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1091 | |
1297 | |
1092 | if (expect_true (p->w)) |
1298 | if (expect_true (p->w)) |
1093 | { |
1299 | { |
1094 | assert (("non-pending watcher on pending list", p->w->pending)); |
1300 | /*assert (("non-pending watcher on pending list", p->w->pending));*/ |
1095 | |
1301 | |
1096 | p->w->pending = 0; |
1302 | p->w->pending = 0; |
1097 | EV_CB_INVOKE (p->w, p->events); |
1303 | EV_CB_INVOKE (p->w, p->events); |
1098 | } |
1304 | } |
1099 | } |
1305 | } |
… | |
… | |
1102 | void inline_size |
1308 | void inline_size |
1103 | timers_reify (EV_P) |
1309 | timers_reify (EV_P) |
1104 | { |
1310 | { |
1105 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1311 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1106 | { |
1312 | { |
1107 | ev_timer *w = timers [0]; |
1313 | ev_timer *w = (ev_timer *)timers [0]; |
1108 | |
1314 | |
1109 | assert (("inactive timer on timer heap detected", ev_is_active (w))); |
1315 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
1110 | |
1316 | |
1111 | /* first reschedule or stop timer */ |
1317 | /* first reschedule or stop timer */ |
1112 | if (w->repeat) |
1318 | if (w->repeat) |
1113 | { |
1319 | { |
1114 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
1320 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
1115 | |
1321 | |
1116 | ((WT)w)->at += w->repeat; |
1322 | ((WT)w)->at += w->repeat; |
1117 | if (((WT)w)->at < mn_now) |
1323 | if (((WT)w)->at < mn_now) |
1118 | ((WT)w)->at = mn_now; |
1324 | ((WT)w)->at = mn_now; |
1119 | |
1325 | |
1120 | downheap ((WT *)timers, timercnt, 0); |
1326 | downheap (timers, timercnt, 0); |
1121 | } |
1327 | } |
1122 | else |
1328 | else |
1123 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1329 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1124 | |
1330 | |
1125 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1331 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
… | |
… | |
1130 | void inline_size |
1336 | void inline_size |
1131 | periodics_reify (EV_P) |
1337 | periodics_reify (EV_P) |
1132 | { |
1338 | { |
1133 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1339 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1134 | { |
1340 | { |
1135 | ev_periodic *w = periodics [0]; |
1341 | ev_periodic *w = (ev_periodic *)periodics [0]; |
1136 | |
1342 | |
1137 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
1343 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
1138 | |
1344 | |
1139 | /* first reschedule or stop timer */ |
1345 | /* first reschedule or stop timer */ |
1140 | if (w->reschedule_cb) |
1346 | if (w->reschedule_cb) |
1141 | { |
1347 | { |
1142 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); |
1348 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON); |
1143 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
1349 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
1144 | downheap ((WT *)periodics, periodiccnt, 0); |
1350 | downheap (periodics, periodiccnt, 0); |
1145 | } |
1351 | } |
1146 | else if (w->interval) |
1352 | else if (w->interval) |
1147 | { |
1353 | { |
1148 | ((WT)w)->at += floor ((ev_rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval; |
1354 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1355 | if (((WT)w)->at - ev_rt_now <= TIME_EPSILON) ((WT)w)->at += w->interval; |
1149 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
1356 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
1150 | downheap ((WT *)periodics, periodiccnt, 0); |
1357 | downheap (periodics, periodiccnt, 0); |
1151 | } |
1358 | } |
1152 | else |
1359 | else |
1153 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1360 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1154 | |
1361 | |
1155 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
1362 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
… | |
… | |
1162 | int i; |
1369 | int i; |
1163 | |
1370 | |
1164 | /* adjust periodics after time jump */ |
1371 | /* adjust periodics after time jump */ |
1165 | for (i = 0; i < periodiccnt; ++i) |
1372 | for (i = 0; i < periodiccnt; ++i) |
1166 | { |
1373 | { |
1167 | ev_periodic *w = periodics [i]; |
1374 | ev_periodic *w = (ev_periodic *)periodics [i]; |
1168 | |
1375 | |
1169 | if (w->reschedule_cb) |
1376 | if (w->reschedule_cb) |
1170 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1377 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1171 | else if (w->interval) |
1378 | else if (w->interval) |
1172 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1379 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1173 | } |
1380 | } |
1174 | |
1381 | |
1175 | /* now rebuild the heap */ |
1382 | /* now rebuild the heap */ |
1176 | for (i = periodiccnt >> 1; i--; ) |
1383 | for (i = periodiccnt >> 1; i--; ) |
1177 | downheap ((WT *)periodics, periodiccnt, i); |
1384 | downheap (periodics, periodiccnt, i); |
1178 | } |
1385 | } |
1179 | #endif |
1386 | #endif |
1180 | |
1387 | |
|
|
1388 | #if EV_IDLE_ENABLE |
1181 | int inline_size |
1389 | void inline_size |
1182 | time_update_monotonic (EV_P) |
1390 | idle_reify (EV_P) |
1183 | { |
1391 | { |
|
|
1392 | if (expect_false (idleall)) |
|
|
1393 | { |
|
|
1394 | int pri; |
|
|
1395 | |
|
|
1396 | for (pri = NUMPRI; pri--; ) |
|
|
1397 | { |
|
|
1398 | if (pendingcnt [pri]) |
|
|
1399 | break; |
|
|
1400 | |
|
|
1401 | if (idlecnt [pri]) |
|
|
1402 | { |
|
|
1403 | queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE); |
|
|
1404 | break; |
|
|
1405 | } |
|
|
1406 | } |
|
|
1407 | } |
|
|
1408 | } |
|
|
1409 | #endif |
|
|
1410 | |
|
|
1411 | void inline_speed |
|
|
1412 | time_update (EV_P_ ev_tstamp max_block) |
|
|
1413 | { |
|
|
1414 | int i; |
|
|
1415 | |
|
|
1416 | #if EV_USE_MONOTONIC |
|
|
1417 | if (expect_true (have_monotonic)) |
|
|
1418 | { |
|
|
1419 | ev_tstamp odiff = rtmn_diff; |
|
|
1420 | |
1184 | mn_now = get_clock (); |
1421 | mn_now = get_clock (); |
1185 | |
1422 | |
|
|
1423 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
|
|
1424 | /* interpolate in the meantime */ |
1186 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1425 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1187 | { |
1426 | { |
1188 | ev_rt_now = rtmn_diff + mn_now; |
1427 | ev_rt_now = rtmn_diff + mn_now; |
1189 | return 0; |
1428 | return; |
1190 | } |
1429 | } |
1191 | else |
1430 | |
1192 | { |
|
|
1193 | now_floor = mn_now; |
1431 | now_floor = mn_now; |
1194 | ev_rt_now = ev_time (); |
1432 | ev_rt_now = ev_time (); |
1195 | return 1; |
|
|
1196 | } |
|
|
1197 | } |
|
|
1198 | |
1433 | |
1199 | void inline_size |
1434 | /* loop a few times, before making important decisions. |
1200 | time_update (EV_P) |
1435 | * on the choice of "4": one iteration isn't enough, |
1201 | { |
1436 | * in case we get preempted during the calls to |
1202 | int i; |
1437 | * ev_time and get_clock. a second call is almost guaranteed |
1203 | |
1438 | * to succeed in that case, though. and looping a few more times |
1204 | #if EV_USE_MONOTONIC |
1439 | * doesn't hurt either as we only do this on time-jumps or |
1205 | if (expect_true (have_monotonic)) |
1440 | * in the unlikely event of having been preempted here. |
1206 | { |
1441 | */ |
1207 | if (time_update_monotonic (EV_A)) |
1442 | for (i = 4; --i; ) |
1208 | { |
1443 | { |
1209 | ev_tstamp odiff = rtmn_diff; |
|
|
1210 | |
|
|
1211 | /* loop a few times, before making important decisions. |
|
|
1212 | * on the choice of "4": one iteration isn't enough, |
|
|
1213 | * in case we get preempted during the calls to |
|
|
1214 | * ev_time and get_clock. a second call is almost guarenteed |
|
|
1215 | * to succeed in that case, though. and looping a few more times |
|
|
1216 | * doesn't hurt either as we only do this on time-jumps or |
|
|
1217 | * in the unlikely event of getting preempted here. |
|
|
1218 | */ |
|
|
1219 | for (i = 4; --i; ) |
|
|
1220 | { |
|
|
1221 | rtmn_diff = ev_rt_now - mn_now; |
1444 | rtmn_diff = ev_rt_now - mn_now; |
1222 | |
1445 | |
1223 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1446 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1224 | return; /* all is well */ |
1447 | return; /* all is well */ |
1225 | |
1448 | |
1226 | ev_rt_now = ev_time (); |
1449 | ev_rt_now = ev_time (); |
1227 | mn_now = get_clock (); |
1450 | mn_now = get_clock (); |
1228 | now_floor = mn_now; |
1451 | now_floor = mn_now; |
1229 | } |
1452 | } |
1230 | |
1453 | |
1231 | # if EV_PERIODIC_ENABLE |
1454 | # if EV_PERIODIC_ENABLE |
1232 | periodics_reschedule (EV_A); |
1455 | periodics_reschedule (EV_A); |
1233 | # endif |
1456 | # endif |
1234 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1457 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1235 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1458 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1236 | } |
|
|
1237 | } |
1459 | } |
1238 | else |
1460 | else |
1239 | #endif |
1461 | #endif |
1240 | { |
1462 | { |
1241 | ev_rt_now = ev_time (); |
1463 | ev_rt_now = ev_time (); |
1242 | |
1464 | |
1243 | if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
1465 | if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
1244 | { |
1466 | { |
1245 | #if EV_PERIODIC_ENABLE |
1467 | #if EV_PERIODIC_ENABLE |
1246 | periodics_reschedule (EV_A); |
1468 | periodics_reschedule (EV_A); |
1247 | #endif |
1469 | #endif |
1248 | |
|
|
1249 | /* adjust timers. this is easy, as the offset is the same for all */ |
1470 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1250 | for (i = 0; i < timercnt; ++i) |
1471 | for (i = 0; i < timercnt; ++i) |
1251 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1472 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1252 | } |
1473 | } |
1253 | |
1474 | |
1254 | mn_now = ev_rt_now; |
1475 | mn_now = ev_rt_now; |
… | |
… | |
1274 | { |
1495 | { |
1275 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) |
1496 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) |
1276 | ? EVUNLOOP_ONE |
1497 | ? EVUNLOOP_ONE |
1277 | : EVUNLOOP_CANCEL; |
1498 | : EVUNLOOP_CANCEL; |
1278 | |
1499 | |
1279 | while (activecnt) |
1500 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
|
|
1501 | |
|
|
1502 | do |
1280 | { |
1503 | { |
1281 | /* we might have forked, so reify kernel state if necessary */ |
1504 | #ifndef _WIN32 |
|
|
1505 | if (expect_false (curpid)) /* penalise the forking check even more */ |
|
|
1506 | if (expect_false (getpid () != curpid)) |
|
|
1507 | { |
|
|
1508 | curpid = getpid (); |
|
|
1509 | postfork = 1; |
|
|
1510 | } |
|
|
1511 | #endif |
|
|
1512 | |
1282 | #if EV_FORK_ENABLE |
1513 | #if EV_FORK_ENABLE |
|
|
1514 | /* we might have forked, so queue fork handlers */ |
1283 | if (expect_false (postfork)) |
1515 | if (expect_false (postfork)) |
1284 | if (forkcnt) |
1516 | if (forkcnt) |
1285 | { |
1517 | { |
1286 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
1518 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
1287 | call_pending (EV_A); |
1519 | call_pending (EV_A); |
1288 | } |
1520 | } |
1289 | #endif |
1521 | #endif |
1290 | |
1522 | |
1291 | /* queue check watchers (and execute them) */ |
1523 | /* queue prepare watchers (and execute them) */ |
1292 | if (expect_false (preparecnt)) |
1524 | if (expect_false (preparecnt)) |
1293 | { |
1525 | { |
1294 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1526 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1295 | call_pending (EV_A); |
1527 | call_pending (EV_A); |
1296 | } |
1528 | } |
1297 | |
1529 | |
|
|
1530 | if (expect_false (!activecnt)) |
|
|
1531 | break; |
|
|
1532 | |
1298 | /* we might have forked, so reify kernel state if necessary */ |
1533 | /* we might have forked, so reify kernel state if necessary */ |
1299 | if (expect_false (postfork)) |
1534 | if (expect_false (postfork)) |
1300 | loop_fork (EV_A); |
1535 | loop_fork (EV_A); |
1301 | |
1536 | |
1302 | /* update fd-related kernel structures */ |
1537 | /* update fd-related kernel structures */ |
1303 | fd_reify (EV_A); |
1538 | fd_reify (EV_A); |
1304 | |
1539 | |
1305 | /* calculate blocking time */ |
1540 | /* calculate blocking time */ |
1306 | { |
1541 | { |
1307 | double block; |
1542 | ev_tstamp waittime = 0.; |
|
|
1543 | ev_tstamp sleeptime = 0.; |
1308 | |
1544 | |
1309 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
1545 | if (expect_true (!(flags & EVLOOP_NONBLOCK || idleall || !activecnt))) |
1310 | block = 0.; /* do not block at all */ |
|
|
1311 | else |
|
|
1312 | { |
1546 | { |
1313 | /* update time to cancel out callback processing overhead */ |
1547 | /* update time to cancel out callback processing overhead */ |
1314 | #if EV_USE_MONOTONIC |
|
|
1315 | if (expect_true (have_monotonic)) |
|
|
1316 | time_update_monotonic (EV_A); |
1548 | time_update (EV_A_ 1e100); |
1317 | else |
|
|
1318 | #endif |
|
|
1319 | { |
|
|
1320 | ev_rt_now = ev_time (); |
|
|
1321 | mn_now = ev_rt_now; |
|
|
1322 | } |
|
|
1323 | |
1549 | |
1324 | block = MAX_BLOCKTIME; |
1550 | waittime = MAX_BLOCKTIME; |
1325 | |
1551 | |
1326 | if (timercnt) |
1552 | if (timercnt) |
1327 | { |
1553 | { |
1328 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
1554 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
1329 | if (block > to) block = to; |
1555 | if (waittime > to) waittime = to; |
1330 | } |
1556 | } |
1331 | |
1557 | |
1332 | #if EV_PERIODIC_ENABLE |
1558 | #if EV_PERIODIC_ENABLE |
1333 | if (periodiccnt) |
1559 | if (periodiccnt) |
1334 | { |
1560 | { |
1335 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
1561 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
1336 | if (block > to) block = to; |
1562 | if (waittime > to) waittime = to; |
1337 | } |
1563 | } |
1338 | #endif |
1564 | #endif |
1339 | |
1565 | |
1340 | if (expect_false (block < 0.)) block = 0.; |
1566 | if (expect_false (waittime < timeout_blocktime)) |
|
|
1567 | waittime = timeout_blocktime; |
|
|
1568 | |
|
|
1569 | sleeptime = waittime - backend_fudge; |
|
|
1570 | |
|
|
1571 | if (expect_true (sleeptime > io_blocktime)) |
|
|
1572 | sleeptime = io_blocktime; |
|
|
1573 | |
|
|
1574 | if (sleeptime) |
|
|
1575 | { |
|
|
1576 | ev_sleep (sleeptime); |
|
|
1577 | waittime -= sleeptime; |
|
|
1578 | } |
1341 | } |
1579 | } |
1342 | |
1580 | |
|
|
1581 | ++loop_count; |
1343 | backend_poll (EV_A_ block); |
1582 | backend_poll (EV_A_ waittime); |
|
|
1583 | |
|
|
1584 | /* update ev_rt_now, do magic */ |
|
|
1585 | time_update (EV_A_ waittime + sleeptime); |
1344 | } |
1586 | } |
1345 | |
|
|
1346 | /* update ev_rt_now, do magic */ |
|
|
1347 | time_update (EV_A); |
|
|
1348 | |
1587 | |
1349 | /* queue pending timers and reschedule them */ |
1588 | /* queue pending timers and reschedule them */ |
1350 | timers_reify (EV_A); /* relative timers called last */ |
1589 | timers_reify (EV_A); /* relative timers called last */ |
1351 | #if EV_PERIODIC_ENABLE |
1590 | #if EV_PERIODIC_ENABLE |
1352 | periodics_reify (EV_A); /* absolute timers called first */ |
1591 | periodics_reify (EV_A); /* absolute timers called first */ |
1353 | #endif |
1592 | #endif |
1354 | |
1593 | |
|
|
1594 | #if EV_IDLE_ENABLE |
1355 | /* queue idle watchers unless other events are pending */ |
1595 | /* queue idle watchers unless other events are pending */ |
1356 | if (idlecnt && !any_pending (EV_A)) |
1596 | idle_reify (EV_A); |
1357 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1597 | #endif |
1358 | |
1598 | |
1359 | /* queue check watchers, to be executed first */ |
1599 | /* queue check watchers, to be executed first */ |
1360 | if (expect_false (checkcnt)) |
1600 | if (expect_false (checkcnt)) |
1361 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1601 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1362 | |
1602 | |
1363 | call_pending (EV_A); |
1603 | call_pending (EV_A); |
1364 | |
1604 | |
1365 | if (expect_false (loop_done)) |
|
|
1366 | break; |
|
|
1367 | } |
1605 | } |
|
|
1606 | while (expect_true (activecnt && !loop_done)); |
1368 | |
1607 | |
1369 | if (loop_done == EVUNLOOP_ONE) |
1608 | if (loop_done == EVUNLOOP_ONE) |
1370 | loop_done = EVUNLOOP_CANCEL; |
1609 | loop_done = EVUNLOOP_CANCEL; |
1371 | } |
1610 | } |
1372 | |
1611 | |
… | |
… | |
1399 | head = &(*head)->next; |
1638 | head = &(*head)->next; |
1400 | } |
1639 | } |
1401 | } |
1640 | } |
1402 | |
1641 | |
1403 | void inline_speed |
1642 | void inline_speed |
1404 | ev_clear_pending (EV_P_ W w) |
1643 | clear_pending (EV_P_ W w) |
1405 | { |
1644 | { |
1406 | if (w->pending) |
1645 | if (w->pending) |
1407 | { |
1646 | { |
1408 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
1647 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
1409 | w->pending = 0; |
1648 | w->pending = 0; |
1410 | } |
1649 | } |
1411 | } |
1650 | } |
1412 | |
1651 | |
|
|
1652 | int |
|
|
1653 | ev_clear_pending (EV_P_ void *w) |
|
|
1654 | { |
|
|
1655 | W w_ = (W)w; |
|
|
1656 | int pending = w_->pending; |
|
|
1657 | |
|
|
1658 | if (expect_true (pending)) |
|
|
1659 | { |
|
|
1660 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
|
|
1661 | w_->pending = 0; |
|
|
1662 | p->w = 0; |
|
|
1663 | return p->events; |
|
|
1664 | } |
|
|
1665 | else |
|
|
1666 | return 0; |
|
|
1667 | } |
|
|
1668 | |
|
|
1669 | void inline_size |
|
|
1670 | pri_adjust (EV_P_ W w) |
|
|
1671 | { |
|
|
1672 | int pri = w->priority; |
|
|
1673 | pri = pri < EV_MINPRI ? EV_MINPRI : pri; |
|
|
1674 | pri = pri > EV_MAXPRI ? EV_MAXPRI : pri; |
|
|
1675 | w->priority = pri; |
|
|
1676 | } |
|
|
1677 | |
1413 | void inline_speed |
1678 | void inline_speed |
1414 | ev_start (EV_P_ W w, int active) |
1679 | ev_start (EV_P_ W w, int active) |
1415 | { |
1680 | { |
1416 | if (w->priority < EV_MINPRI) w->priority = EV_MINPRI; |
1681 | pri_adjust (EV_A_ w); |
1417 | if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI; |
|
|
1418 | |
|
|
1419 | w->active = active; |
1682 | w->active = active; |
1420 | ev_ref (EV_A); |
1683 | ev_ref (EV_A); |
1421 | } |
1684 | } |
1422 | |
1685 | |
1423 | void inline_size |
1686 | void inline_size |
… | |
… | |
1427 | w->active = 0; |
1690 | w->active = 0; |
1428 | } |
1691 | } |
1429 | |
1692 | |
1430 | /*****************************************************************************/ |
1693 | /*****************************************************************************/ |
1431 | |
1694 | |
1432 | void |
1695 | void noinline |
1433 | ev_io_start (EV_P_ ev_io *w) |
1696 | ev_io_start (EV_P_ ev_io *w) |
1434 | { |
1697 | { |
1435 | int fd = w->fd; |
1698 | int fd = w->fd; |
1436 | |
1699 | |
1437 | if (expect_false (ev_is_active (w))) |
1700 | if (expect_false (ev_is_active (w))) |
… | |
… | |
1439 | |
1702 | |
1440 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1703 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1441 | |
1704 | |
1442 | ev_start (EV_A_ (W)w, 1); |
1705 | ev_start (EV_A_ (W)w, 1); |
1443 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
1706 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
1444 | wlist_add ((WL *)&anfds[fd].head, (WL)w); |
1707 | wlist_add (&anfds[fd].head, (WL)w); |
1445 | |
1708 | |
1446 | fd_change (EV_A_ fd); |
1709 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
|
|
1710 | w->events &= ~EV_IOFDSET; |
1447 | } |
1711 | } |
1448 | |
1712 | |
1449 | void |
1713 | void noinline |
1450 | ev_io_stop (EV_P_ ev_io *w) |
1714 | ev_io_stop (EV_P_ ev_io *w) |
1451 | { |
1715 | { |
1452 | ev_clear_pending (EV_A_ (W)w); |
1716 | clear_pending (EV_A_ (W)w); |
1453 | if (expect_false (!ev_is_active (w))) |
1717 | if (expect_false (!ev_is_active (w))) |
1454 | return; |
1718 | return; |
1455 | |
1719 | |
1456 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1720 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1457 | |
1721 | |
1458 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
1722 | wlist_del (&anfds[w->fd].head, (WL)w); |
1459 | ev_stop (EV_A_ (W)w); |
1723 | ev_stop (EV_A_ (W)w); |
1460 | |
1724 | |
1461 | fd_change (EV_A_ w->fd); |
1725 | fd_change (EV_A_ w->fd, 1); |
1462 | } |
1726 | } |
1463 | |
1727 | |
1464 | void |
1728 | void noinline |
1465 | ev_timer_start (EV_P_ ev_timer *w) |
1729 | ev_timer_start (EV_P_ ev_timer *w) |
1466 | { |
1730 | { |
1467 | if (expect_false (ev_is_active (w))) |
1731 | if (expect_false (ev_is_active (w))) |
1468 | return; |
1732 | return; |
1469 | |
1733 | |
1470 | ((WT)w)->at += mn_now; |
1734 | ((WT)w)->at += mn_now; |
1471 | |
1735 | |
1472 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1736 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1473 | |
1737 | |
1474 | ev_start (EV_A_ (W)w, ++timercnt); |
1738 | ev_start (EV_A_ (W)w, ++timercnt); |
1475 | array_needsize (ev_timer *, timers, timermax, timercnt, EMPTY2); |
1739 | array_needsize (WT, timers, timermax, timercnt, EMPTY2); |
1476 | timers [timercnt - 1] = w; |
1740 | timers [timercnt - 1] = (WT)w; |
1477 | upheap ((WT *)timers, timercnt - 1); |
1741 | upheap (timers, timercnt - 1); |
1478 | |
1742 | |
1479 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1743 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
1480 | } |
1744 | } |
1481 | |
1745 | |
1482 | void |
1746 | void noinline |
1483 | ev_timer_stop (EV_P_ ev_timer *w) |
1747 | ev_timer_stop (EV_P_ ev_timer *w) |
1484 | { |
1748 | { |
1485 | ev_clear_pending (EV_A_ (W)w); |
1749 | clear_pending (EV_A_ (W)w); |
1486 | if (expect_false (!ev_is_active (w))) |
1750 | if (expect_false (!ev_is_active (w))) |
1487 | return; |
1751 | return; |
1488 | |
1752 | |
1489 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1753 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == (WT)w)); |
1490 | |
1754 | |
|
|
1755 | { |
|
|
1756 | int active = ((W)w)->active; |
|
|
1757 | |
1491 | if (expect_true (((W)w)->active < timercnt--)) |
1758 | if (expect_true (--active < --timercnt)) |
1492 | { |
1759 | { |
1493 | timers [((W)w)->active - 1] = timers [timercnt]; |
1760 | timers [active] = timers [timercnt]; |
1494 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1761 | adjustheap (timers, timercnt, active); |
1495 | } |
1762 | } |
|
|
1763 | } |
1496 | |
1764 | |
1497 | ((WT)w)->at -= mn_now; |
1765 | ((WT)w)->at -= mn_now; |
1498 | |
1766 | |
1499 | ev_stop (EV_A_ (W)w); |
1767 | ev_stop (EV_A_ (W)w); |
1500 | } |
1768 | } |
1501 | |
1769 | |
1502 | void |
1770 | void noinline |
1503 | ev_timer_again (EV_P_ ev_timer *w) |
1771 | ev_timer_again (EV_P_ ev_timer *w) |
1504 | { |
1772 | { |
1505 | if (ev_is_active (w)) |
1773 | if (ev_is_active (w)) |
1506 | { |
1774 | { |
1507 | if (w->repeat) |
1775 | if (w->repeat) |
1508 | { |
1776 | { |
1509 | ((WT)w)->at = mn_now + w->repeat; |
1777 | ((WT)w)->at = mn_now + w->repeat; |
1510 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1778 | adjustheap (timers, timercnt, ((W)w)->active - 1); |
1511 | } |
1779 | } |
1512 | else |
1780 | else |
1513 | ev_timer_stop (EV_A_ w); |
1781 | ev_timer_stop (EV_A_ w); |
1514 | } |
1782 | } |
1515 | else if (w->repeat) |
1783 | else if (w->repeat) |
… | |
… | |
1518 | ev_timer_start (EV_A_ w); |
1786 | ev_timer_start (EV_A_ w); |
1519 | } |
1787 | } |
1520 | } |
1788 | } |
1521 | |
1789 | |
1522 | #if EV_PERIODIC_ENABLE |
1790 | #if EV_PERIODIC_ENABLE |
1523 | void |
1791 | void noinline |
1524 | ev_periodic_start (EV_P_ ev_periodic *w) |
1792 | ev_periodic_start (EV_P_ ev_periodic *w) |
1525 | { |
1793 | { |
1526 | if (expect_false (ev_is_active (w))) |
1794 | if (expect_false (ev_is_active (w))) |
1527 | return; |
1795 | return; |
1528 | |
1796 | |
… | |
… | |
1530 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1798 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1531 | else if (w->interval) |
1799 | else if (w->interval) |
1532 | { |
1800 | { |
1533 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1801 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1534 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1802 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1535 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1803 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1536 | } |
1804 | } |
|
|
1805 | else |
|
|
1806 | ((WT)w)->at = w->offset; |
1537 | |
1807 | |
1538 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1808 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1539 | array_needsize (ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); |
1809 | array_needsize (WT, periodics, periodicmax, periodiccnt, EMPTY2); |
1540 | periodics [periodiccnt - 1] = w; |
1810 | periodics [periodiccnt - 1] = (WT)w; |
1541 | upheap ((WT *)periodics, periodiccnt - 1); |
1811 | upheap (periodics, periodiccnt - 1); |
1542 | |
1812 | |
1543 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1813 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
1544 | } |
1814 | } |
1545 | |
1815 | |
1546 | void |
1816 | void noinline |
1547 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1817 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1548 | { |
1818 | { |
1549 | ev_clear_pending (EV_A_ (W)w); |
1819 | clear_pending (EV_A_ (W)w); |
1550 | if (expect_false (!ev_is_active (w))) |
1820 | if (expect_false (!ev_is_active (w))) |
1551 | return; |
1821 | return; |
1552 | |
1822 | |
1553 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1823 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == (WT)w)); |
1554 | |
1824 | |
|
|
1825 | { |
|
|
1826 | int active = ((W)w)->active; |
|
|
1827 | |
1555 | if (expect_true (((W)w)->active < periodiccnt--)) |
1828 | if (expect_true (--active < --periodiccnt)) |
1556 | { |
1829 | { |
1557 | periodics [((W)w)->active - 1] = periodics [periodiccnt]; |
1830 | periodics [active] = periodics [periodiccnt]; |
1558 | adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); |
1831 | adjustheap (periodics, periodiccnt, active); |
1559 | } |
1832 | } |
|
|
1833 | } |
1560 | |
1834 | |
1561 | ev_stop (EV_A_ (W)w); |
1835 | ev_stop (EV_A_ (W)w); |
1562 | } |
1836 | } |
1563 | |
1837 | |
1564 | void |
1838 | void noinline |
1565 | ev_periodic_again (EV_P_ ev_periodic *w) |
1839 | ev_periodic_again (EV_P_ ev_periodic *w) |
1566 | { |
1840 | { |
1567 | /* TODO: use adjustheap and recalculation */ |
1841 | /* TODO: use adjustheap and recalculation */ |
1568 | ev_periodic_stop (EV_A_ w); |
1842 | ev_periodic_stop (EV_A_ w); |
1569 | ev_periodic_start (EV_A_ w); |
1843 | ev_periodic_start (EV_A_ w); |
… | |
… | |
1572 | |
1846 | |
1573 | #ifndef SA_RESTART |
1847 | #ifndef SA_RESTART |
1574 | # define SA_RESTART 0 |
1848 | # define SA_RESTART 0 |
1575 | #endif |
1849 | #endif |
1576 | |
1850 | |
1577 | void |
1851 | void noinline |
1578 | ev_signal_start (EV_P_ ev_signal *w) |
1852 | ev_signal_start (EV_P_ ev_signal *w) |
1579 | { |
1853 | { |
1580 | #if EV_MULTIPLICITY |
1854 | #if EV_MULTIPLICITY |
1581 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1855 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1582 | #endif |
1856 | #endif |
1583 | if (expect_false (ev_is_active (w))) |
1857 | if (expect_false (ev_is_active (w))) |
1584 | return; |
1858 | return; |
1585 | |
1859 | |
1586 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1860 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1587 | |
1861 | |
|
|
1862 | { |
|
|
1863 | #ifndef _WIN32 |
|
|
1864 | sigset_t full, prev; |
|
|
1865 | sigfillset (&full); |
|
|
1866 | sigprocmask (SIG_SETMASK, &full, &prev); |
|
|
1867 | #endif |
|
|
1868 | |
|
|
1869 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
|
|
1870 | |
|
|
1871 | #ifndef _WIN32 |
|
|
1872 | sigprocmask (SIG_SETMASK, &prev, 0); |
|
|
1873 | #endif |
|
|
1874 | } |
|
|
1875 | |
1588 | ev_start (EV_A_ (W)w, 1); |
1876 | ev_start (EV_A_ (W)w, 1); |
1589 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
|
|
1590 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1877 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
1591 | |
1878 | |
1592 | if (!((WL)w)->next) |
1879 | if (!((WL)w)->next) |
1593 | { |
1880 | { |
1594 | #if _WIN32 |
1881 | #if _WIN32 |
1595 | signal (w->signum, sighandler); |
1882 | signal (w->signum, sighandler); |
… | |
… | |
1601 | sigaction (w->signum, &sa, 0); |
1888 | sigaction (w->signum, &sa, 0); |
1602 | #endif |
1889 | #endif |
1603 | } |
1890 | } |
1604 | } |
1891 | } |
1605 | |
1892 | |
1606 | void |
1893 | void noinline |
1607 | ev_signal_stop (EV_P_ ev_signal *w) |
1894 | ev_signal_stop (EV_P_ ev_signal *w) |
1608 | { |
1895 | { |
1609 | ev_clear_pending (EV_A_ (W)w); |
1896 | clear_pending (EV_A_ (W)w); |
1610 | if (expect_false (!ev_is_active (w))) |
1897 | if (expect_false (!ev_is_active (w))) |
1611 | return; |
1898 | return; |
1612 | |
1899 | |
1613 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
1900 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
1614 | ev_stop (EV_A_ (W)w); |
1901 | ev_stop (EV_A_ (W)w); |
1615 | |
1902 | |
1616 | if (!signals [w->signum - 1].head) |
1903 | if (!signals [w->signum - 1].head) |
1617 | signal (w->signum, SIG_DFL); |
1904 | signal (w->signum, SIG_DFL); |
1618 | } |
1905 | } |
… | |
… | |
1625 | #endif |
1912 | #endif |
1626 | if (expect_false (ev_is_active (w))) |
1913 | if (expect_false (ev_is_active (w))) |
1627 | return; |
1914 | return; |
1628 | |
1915 | |
1629 | ev_start (EV_A_ (W)w, 1); |
1916 | ev_start (EV_A_ (W)w, 1); |
1630 | wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1917 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1631 | } |
1918 | } |
1632 | |
1919 | |
1633 | void |
1920 | void |
1634 | ev_child_stop (EV_P_ ev_child *w) |
1921 | ev_child_stop (EV_P_ ev_child *w) |
1635 | { |
1922 | { |
1636 | ev_clear_pending (EV_A_ (W)w); |
1923 | clear_pending (EV_A_ (W)w); |
1637 | if (expect_false (!ev_is_active (w))) |
1924 | if (expect_false (!ev_is_active (w))) |
1638 | return; |
1925 | return; |
1639 | |
1926 | |
1640 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1927 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1641 | ev_stop (EV_A_ (W)w); |
1928 | ev_stop (EV_A_ (W)w); |
1642 | } |
1929 | } |
1643 | |
1930 | |
1644 | #if EV_STAT_ENABLE |
1931 | #if EV_STAT_ENABLE |
1645 | |
1932 | |
… | |
… | |
1649 | # endif |
1936 | # endif |
1650 | |
1937 | |
1651 | #define DEF_STAT_INTERVAL 5.0074891 |
1938 | #define DEF_STAT_INTERVAL 5.0074891 |
1652 | #define MIN_STAT_INTERVAL 0.1074891 |
1939 | #define MIN_STAT_INTERVAL 0.1074891 |
1653 | |
1940 | |
|
|
1941 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
|
|
1942 | |
|
|
1943 | #if EV_USE_INOTIFY |
|
|
1944 | # define EV_INOTIFY_BUFSIZE 8192 |
|
|
1945 | |
|
|
1946 | static void noinline |
|
|
1947 | infy_add (EV_P_ ev_stat *w) |
|
|
1948 | { |
|
|
1949 | w->wd = inotify_add_watch (fs_fd, w->path, IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY | IN_DONT_FOLLOW | IN_MASK_ADD); |
|
|
1950 | |
|
|
1951 | if (w->wd < 0) |
|
|
1952 | { |
|
|
1953 | ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
|
|
1954 | |
|
|
1955 | /* monitor some parent directory for speedup hints */ |
|
|
1956 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
|
|
1957 | { |
|
|
1958 | char path [4096]; |
|
|
1959 | strcpy (path, w->path); |
|
|
1960 | |
|
|
1961 | do |
|
|
1962 | { |
|
|
1963 | int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF |
|
|
1964 | | (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO); |
|
|
1965 | |
|
|
1966 | char *pend = strrchr (path, '/'); |
|
|
1967 | |
|
|
1968 | if (!pend) |
|
|
1969 | break; /* whoops, no '/', complain to your admin */ |
|
|
1970 | |
|
|
1971 | *pend = 0; |
|
|
1972 | w->wd = inotify_add_watch (fs_fd, path, mask); |
|
|
1973 | } |
|
|
1974 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
|
|
1975 | } |
|
|
1976 | } |
|
|
1977 | else |
|
|
1978 | ev_timer_stop (EV_A_ &w->timer); /* we can watch this in a race-free way */ |
|
|
1979 | |
|
|
1980 | if (w->wd >= 0) |
|
|
1981 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
|
|
1982 | } |
|
|
1983 | |
|
|
1984 | static void noinline |
|
|
1985 | infy_del (EV_P_ ev_stat *w) |
|
|
1986 | { |
|
|
1987 | int slot; |
|
|
1988 | int wd = w->wd; |
|
|
1989 | |
|
|
1990 | if (wd < 0) |
|
|
1991 | return; |
|
|
1992 | |
|
|
1993 | w->wd = -2; |
|
|
1994 | slot = wd & (EV_INOTIFY_HASHSIZE - 1); |
|
|
1995 | wlist_del (&fs_hash [slot].head, (WL)w); |
|
|
1996 | |
|
|
1997 | /* remove this watcher, if others are watching it, they will rearm */ |
|
|
1998 | inotify_rm_watch (fs_fd, wd); |
|
|
1999 | } |
|
|
2000 | |
|
|
2001 | static void noinline |
|
|
2002 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
|
|
2003 | { |
|
|
2004 | if (slot < 0) |
|
|
2005 | /* overflow, need to check for all hahs slots */ |
|
|
2006 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
|
|
2007 | infy_wd (EV_A_ slot, wd, ev); |
|
|
2008 | else |
|
|
2009 | { |
|
|
2010 | WL w_; |
|
|
2011 | |
|
|
2012 | for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; ) |
|
|
2013 | { |
|
|
2014 | ev_stat *w = (ev_stat *)w_; |
|
|
2015 | w_ = w_->next; /* lets us remove this watcher and all before it */ |
|
|
2016 | |
|
|
2017 | if (w->wd == wd || wd == -1) |
|
|
2018 | { |
|
|
2019 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
|
|
2020 | { |
|
|
2021 | w->wd = -1; |
|
|
2022 | infy_add (EV_A_ w); /* re-add, no matter what */ |
|
|
2023 | } |
|
|
2024 | |
|
|
2025 | stat_timer_cb (EV_A_ &w->timer, 0); |
|
|
2026 | } |
|
|
2027 | } |
|
|
2028 | } |
|
|
2029 | } |
|
|
2030 | |
|
|
2031 | static void |
|
|
2032 | infy_cb (EV_P_ ev_io *w, int revents) |
|
|
2033 | { |
|
|
2034 | char buf [EV_INOTIFY_BUFSIZE]; |
|
|
2035 | struct inotify_event *ev = (struct inotify_event *)buf; |
|
|
2036 | int ofs; |
|
|
2037 | int len = read (fs_fd, buf, sizeof (buf)); |
|
|
2038 | |
|
|
2039 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
|
|
2040 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
|
|
2041 | } |
|
|
2042 | |
|
|
2043 | void inline_size |
|
|
2044 | infy_init (EV_P) |
|
|
2045 | { |
|
|
2046 | if (fs_fd != -2) |
|
|
2047 | return; |
|
|
2048 | |
|
|
2049 | fs_fd = inotify_init (); |
|
|
2050 | |
|
|
2051 | if (fs_fd >= 0) |
|
|
2052 | { |
|
|
2053 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
|
|
2054 | ev_set_priority (&fs_w, EV_MAXPRI); |
|
|
2055 | ev_io_start (EV_A_ &fs_w); |
|
|
2056 | } |
|
|
2057 | } |
|
|
2058 | |
|
|
2059 | void inline_size |
|
|
2060 | infy_fork (EV_P) |
|
|
2061 | { |
|
|
2062 | int slot; |
|
|
2063 | |
|
|
2064 | if (fs_fd < 0) |
|
|
2065 | return; |
|
|
2066 | |
|
|
2067 | close (fs_fd); |
|
|
2068 | fs_fd = inotify_init (); |
|
|
2069 | |
|
|
2070 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
|
|
2071 | { |
|
|
2072 | WL w_ = fs_hash [slot].head; |
|
|
2073 | fs_hash [slot].head = 0; |
|
|
2074 | |
|
|
2075 | while (w_) |
|
|
2076 | { |
|
|
2077 | ev_stat *w = (ev_stat *)w_; |
|
|
2078 | w_ = w_->next; /* lets us add this watcher */ |
|
|
2079 | |
|
|
2080 | w->wd = -1; |
|
|
2081 | |
|
|
2082 | if (fs_fd >= 0) |
|
|
2083 | infy_add (EV_A_ w); /* re-add, no matter what */ |
|
|
2084 | else |
|
|
2085 | ev_timer_start (EV_A_ &w->timer); |
|
|
2086 | } |
|
|
2087 | |
|
|
2088 | } |
|
|
2089 | } |
|
|
2090 | |
|
|
2091 | #endif |
|
|
2092 | |
1654 | void |
2093 | void |
1655 | ev_stat_stat (EV_P_ ev_stat *w) |
2094 | ev_stat_stat (EV_P_ ev_stat *w) |
1656 | { |
2095 | { |
1657 | if (lstat (w->path, &w->attr) < 0) |
2096 | if (lstat (w->path, &w->attr) < 0) |
1658 | w->attr.st_nlink = 0; |
2097 | w->attr.st_nlink = 0; |
1659 | else if (!w->attr.st_nlink) |
2098 | else if (!w->attr.st_nlink) |
1660 | w->attr.st_nlink = 1; |
2099 | w->attr.st_nlink = 1; |
1661 | } |
2100 | } |
1662 | |
2101 | |
1663 | static void |
2102 | static void noinline |
1664 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
2103 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
1665 | { |
2104 | { |
1666 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
2105 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
1667 | |
2106 | |
1668 | /* we copy this here each the time so that */ |
2107 | /* we copy this here each the time so that */ |
1669 | /* prev has the old value when the callback gets invoked */ |
2108 | /* prev has the old value when the callback gets invoked */ |
1670 | w->prev = w->attr; |
2109 | w->prev = w->attr; |
1671 | ev_stat_stat (EV_A_ w); |
2110 | ev_stat_stat (EV_A_ w); |
1672 | |
2111 | |
1673 | if (memcmp (&w->prev, &w->attr, sizeof (ev_statdata))) |
2112 | /* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */ |
|
|
2113 | if ( |
|
|
2114 | w->prev.st_dev != w->attr.st_dev |
|
|
2115 | || w->prev.st_ino != w->attr.st_ino |
|
|
2116 | || w->prev.st_mode != w->attr.st_mode |
|
|
2117 | || w->prev.st_nlink != w->attr.st_nlink |
|
|
2118 | || w->prev.st_uid != w->attr.st_uid |
|
|
2119 | || w->prev.st_gid != w->attr.st_gid |
|
|
2120 | || w->prev.st_rdev != w->attr.st_rdev |
|
|
2121 | || w->prev.st_size != w->attr.st_size |
|
|
2122 | || w->prev.st_atime != w->attr.st_atime |
|
|
2123 | || w->prev.st_mtime != w->attr.st_mtime |
|
|
2124 | || w->prev.st_ctime != w->attr.st_ctime |
|
|
2125 | ) { |
|
|
2126 | #if EV_USE_INOTIFY |
|
|
2127 | infy_del (EV_A_ w); |
|
|
2128 | infy_add (EV_A_ w); |
|
|
2129 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
|
|
2130 | #endif |
|
|
2131 | |
1674 | ev_feed_event (EV_A_ w, EV_STAT); |
2132 | ev_feed_event (EV_A_ w, EV_STAT); |
|
|
2133 | } |
1675 | } |
2134 | } |
1676 | |
2135 | |
1677 | void |
2136 | void |
1678 | ev_stat_start (EV_P_ ev_stat *w) |
2137 | ev_stat_start (EV_P_ ev_stat *w) |
1679 | { |
2138 | { |
… | |
… | |
1689 | if (w->interval < MIN_STAT_INTERVAL) |
2148 | if (w->interval < MIN_STAT_INTERVAL) |
1690 | w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL; |
2149 | w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL; |
1691 | |
2150 | |
1692 | ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval); |
2151 | ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval); |
1693 | ev_set_priority (&w->timer, ev_priority (w)); |
2152 | ev_set_priority (&w->timer, ev_priority (w)); |
|
|
2153 | |
|
|
2154 | #if EV_USE_INOTIFY |
|
|
2155 | infy_init (EV_A); |
|
|
2156 | |
|
|
2157 | if (fs_fd >= 0) |
|
|
2158 | infy_add (EV_A_ w); |
|
|
2159 | else |
|
|
2160 | #endif |
1694 | ev_timer_start (EV_A_ &w->timer); |
2161 | ev_timer_start (EV_A_ &w->timer); |
1695 | |
2162 | |
1696 | ev_start (EV_A_ (W)w, 1); |
2163 | ev_start (EV_A_ (W)w, 1); |
1697 | } |
2164 | } |
1698 | |
2165 | |
1699 | void |
2166 | void |
1700 | ev_stat_stop (EV_P_ ev_stat *w) |
2167 | ev_stat_stop (EV_P_ ev_stat *w) |
1701 | { |
2168 | { |
1702 | ev_clear_pending (EV_A_ (W)w); |
2169 | clear_pending (EV_A_ (W)w); |
1703 | if (expect_false (!ev_is_active (w))) |
2170 | if (expect_false (!ev_is_active (w))) |
1704 | return; |
2171 | return; |
1705 | |
2172 | |
|
|
2173 | #if EV_USE_INOTIFY |
|
|
2174 | infy_del (EV_A_ w); |
|
|
2175 | #endif |
1706 | ev_timer_stop (EV_A_ &w->timer); |
2176 | ev_timer_stop (EV_A_ &w->timer); |
1707 | |
2177 | |
1708 | ev_stop (EV_A_ (W)w); |
2178 | ev_stop (EV_A_ (W)w); |
1709 | } |
2179 | } |
1710 | #endif |
2180 | #endif |
1711 | |
2181 | |
|
|
2182 | #if EV_IDLE_ENABLE |
1712 | void |
2183 | void |
1713 | ev_idle_start (EV_P_ ev_idle *w) |
2184 | ev_idle_start (EV_P_ ev_idle *w) |
1714 | { |
2185 | { |
1715 | if (expect_false (ev_is_active (w))) |
2186 | if (expect_false (ev_is_active (w))) |
1716 | return; |
2187 | return; |
1717 | |
2188 | |
|
|
2189 | pri_adjust (EV_A_ (W)w); |
|
|
2190 | |
|
|
2191 | { |
|
|
2192 | int active = ++idlecnt [ABSPRI (w)]; |
|
|
2193 | |
|
|
2194 | ++idleall; |
1718 | ev_start (EV_A_ (W)w, ++idlecnt); |
2195 | ev_start (EV_A_ (W)w, active); |
|
|
2196 | |
1719 | array_needsize (ev_idle *, idles, idlemax, idlecnt, EMPTY2); |
2197 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
1720 | idles [idlecnt - 1] = w; |
2198 | idles [ABSPRI (w)][active - 1] = w; |
|
|
2199 | } |
1721 | } |
2200 | } |
1722 | |
2201 | |
1723 | void |
2202 | void |
1724 | ev_idle_stop (EV_P_ ev_idle *w) |
2203 | ev_idle_stop (EV_P_ ev_idle *w) |
1725 | { |
2204 | { |
1726 | ev_clear_pending (EV_A_ (W)w); |
2205 | clear_pending (EV_A_ (W)w); |
1727 | if (expect_false (!ev_is_active (w))) |
2206 | if (expect_false (!ev_is_active (w))) |
1728 | return; |
2207 | return; |
1729 | |
2208 | |
1730 | { |
2209 | { |
1731 | int active = ((W)w)->active; |
2210 | int active = ((W)w)->active; |
1732 | idles [active - 1] = idles [--idlecnt]; |
2211 | |
|
|
2212 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
1733 | ((W)idles [active - 1])->active = active; |
2213 | ((W)idles [ABSPRI (w)][active - 1])->active = active; |
|
|
2214 | |
|
|
2215 | ev_stop (EV_A_ (W)w); |
|
|
2216 | --idleall; |
1734 | } |
2217 | } |
1735 | |
|
|
1736 | ev_stop (EV_A_ (W)w); |
|
|
1737 | } |
2218 | } |
|
|
2219 | #endif |
1738 | |
2220 | |
1739 | void |
2221 | void |
1740 | ev_prepare_start (EV_P_ ev_prepare *w) |
2222 | ev_prepare_start (EV_P_ ev_prepare *w) |
1741 | { |
2223 | { |
1742 | if (expect_false (ev_is_active (w))) |
2224 | if (expect_false (ev_is_active (w))) |
… | |
… | |
1748 | } |
2230 | } |
1749 | |
2231 | |
1750 | void |
2232 | void |
1751 | ev_prepare_stop (EV_P_ ev_prepare *w) |
2233 | ev_prepare_stop (EV_P_ ev_prepare *w) |
1752 | { |
2234 | { |
1753 | ev_clear_pending (EV_A_ (W)w); |
2235 | clear_pending (EV_A_ (W)w); |
1754 | if (expect_false (!ev_is_active (w))) |
2236 | if (expect_false (!ev_is_active (w))) |
1755 | return; |
2237 | return; |
1756 | |
2238 | |
1757 | { |
2239 | { |
1758 | int active = ((W)w)->active; |
2240 | int active = ((W)w)->active; |
… | |
… | |
1775 | } |
2257 | } |
1776 | |
2258 | |
1777 | void |
2259 | void |
1778 | ev_check_stop (EV_P_ ev_check *w) |
2260 | ev_check_stop (EV_P_ ev_check *w) |
1779 | { |
2261 | { |
1780 | ev_clear_pending (EV_A_ (W)w); |
2262 | clear_pending (EV_A_ (W)w); |
1781 | if (expect_false (!ev_is_active (w))) |
2263 | if (expect_false (!ev_is_active (w))) |
1782 | return; |
2264 | return; |
1783 | |
2265 | |
1784 | { |
2266 | { |
1785 | int active = ((W)w)->active; |
2267 | int active = ((W)w)->active; |
… | |
… | |
1792 | |
2274 | |
1793 | #if EV_EMBED_ENABLE |
2275 | #if EV_EMBED_ENABLE |
1794 | void noinline |
2276 | void noinline |
1795 | ev_embed_sweep (EV_P_ ev_embed *w) |
2277 | ev_embed_sweep (EV_P_ ev_embed *w) |
1796 | { |
2278 | { |
1797 | ev_loop (w->loop, EVLOOP_NONBLOCK); |
2279 | ev_loop (w->other, EVLOOP_NONBLOCK); |
1798 | } |
2280 | } |
1799 | |
2281 | |
1800 | static void |
2282 | static void |
1801 | embed_cb (EV_P_ ev_io *io, int revents) |
2283 | embed_io_cb (EV_P_ ev_io *io, int revents) |
1802 | { |
2284 | { |
1803 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
2285 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
1804 | |
2286 | |
1805 | if (ev_cb (w)) |
2287 | if (ev_cb (w)) |
1806 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
2288 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
1807 | else |
2289 | else |
1808 | ev_embed_sweep (loop, w); |
2290 | ev_loop (w->other, EVLOOP_NONBLOCK); |
1809 | } |
2291 | } |
|
|
2292 | |
|
|
2293 | static void |
|
|
2294 | embed_prepare_cb (EV_P_ ev_prepare *prepare, int revents) |
|
|
2295 | { |
|
|
2296 | ev_embed *w = (ev_embed *)(((char *)prepare) - offsetof (ev_embed, prepare)); |
|
|
2297 | |
|
|
2298 | { |
|
|
2299 | struct ev_loop *loop = w->other; |
|
|
2300 | |
|
|
2301 | while (fdchangecnt) |
|
|
2302 | { |
|
|
2303 | fd_reify (EV_A); |
|
|
2304 | ev_loop (EV_A_ EVLOOP_NONBLOCK); |
|
|
2305 | } |
|
|
2306 | } |
|
|
2307 | } |
|
|
2308 | |
|
|
2309 | #if 0 |
|
|
2310 | static void |
|
|
2311 | embed_idle_cb (EV_P_ ev_idle *idle, int revents) |
|
|
2312 | { |
|
|
2313 | ev_idle_stop (EV_A_ idle); |
|
|
2314 | } |
|
|
2315 | #endif |
1810 | |
2316 | |
1811 | void |
2317 | void |
1812 | ev_embed_start (EV_P_ ev_embed *w) |
2318 | ev_embed_start (EV_P_ ev_embed *w) |
1813 | { |
2319 | { |
1814 | if (expect_false (ev_is_active (w))) |
2320 | if (expect_false (ev_is_active (w))) |
1815 | return; |
2321 | return; |
1816 | |
2322 | |
1817 | { |
2323 | { |
1818 | struct ev_loop *loop = w->loop; |
2324 | struct ev_loop *loop = w->other; |
1819 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
2325 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
1820 | ev_io_init (&w->io, embed_cb, backend_fd, EV_READ); |
2326 | ev_io_init (&w->io, embed_io_cb, backend_fd, EV_READ); |
1821 | } |
2327 | } |
1822 | |
2328 | |
1823 | ev_set_priority (&w->io, ev_priority (w)); |
2329 | ev_set_priority (&w->io, ev_priority (w)); |
1824 | ev_io_start (EV_A_ &w->io); |
2330 | ev_io_start (EV_A_ &w->io); |
1825 | |
2331 | |
|
|
2332 | ev_prepare_init (&w->prepare, embed_prepare_cb); |
|
|
2333 | ev_set_priority (&w->prepare, EV_MINPRI); |
|
|
2334 | ev_prepare_start (EV_A_ &w->prepare); |
|
|
2335 | |
|
|
2336 | /*ev_idle_init (&w->idle, e,bed_idle_cb);*/ |
|
|
2337 | |
1826 | ev_start (EV_A_ (W)w, 1); |
2338 | ev_start (EV_A_ (W)w, 1); |
1827 | } |
2339 | } |
1828 | |
2340 | |
1829 | void |
2341 | void |
1830 | ev_embed_stop (EV_P_ ev_embed *w) |
2342 | ev_embed_stop (EV_P_ ev_embed *w) |
1831 | { |
2343 | { |
1832 | ev_clear_pending (EV_A_ (W)w); |
2344 | clear_pending (EV_A_ (W)w); |
1833 | if (expect_false (!ev_is_active (w))) |
2345 | if (expect_false (!ev_is_active (w))) |
1834 | return; |
2346 | return; |
1835 | |
2347 | |
1836 | ev_io_stop (EV_A_ &w->io); |
2348 | ev_io_stop (EV_A_ &w->io); |
|
|
2349 | ev_prepare_stop (EV_A_ &w->prepare); |
1837 | |
2350 | |
1838 | ev_stop (EV_A_ (W)w); |
2351 | ev_stop (EV_A_ (W)w); |
1839 | } |
2352 | } |
1840 | #endif |
2353 | #endif |
1841 | |
2354 | |
… | |
… | |
1852 | } |
2365 | } |
1853 | |
2366 | |
1854 | void |
2367 | void |
1855 | ev_fork_stop (EV_P_ ev_fork *w) |
2368 | ev_fork_stop (EV_P_ ev_fork *w) |
1856 | { |
2369 | { |
1857 | ev_clear_pending (EV_A_ (W)w); |
2370 | clear_pending (EV_A_ (W)w); |
1858 | if (expect_false (!ev_is_active (w))) |
2371 | if (expect_false (!ev_is_active (w))) |
1859 | return; |
2372 | return; |
1860 | |
2373 | |
1861 | { |
2374 | { |
1862 | int active = ((W)w)->active; |
2375 | int active = ((W)w)->active; |
… | |
… | |
1930 | ev_timer_set (&once->to, timeout, 0.); |
2443 | ev_timer_set (&once->to, timeout, 0.); |
1931 | ev_timer_start (EV_A_ &once->to); |
2444 | ev_timer_start (EV_A_ &once->to); |
1932 | } |
2445 | } |
1933 | } |
2446 | } |
1934 | |
2447 | |
|
|
2448 | #if EV_MULTIPLICITY |
|
|
2449 | #include "ev_wrap.h" |
|
|
2450 | #endif |
|
|
2451 | |
1935 | #ifdef __cplusplus |
2452 | #ifdef __cplusplus |
1936 | } |
2453 | } |
1937 | #endif |
2454 | #endif |
1938 | |
2455 | |