Mercurial > hg > nginx-quic
comparison src/event/ngx_event.h @ 258:733dffa1fe97
nginx-0.0.2-2004-02-11-10:19:26 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Wed, 11 Feb 2004 07:19:26 +0000 |
parents | 70e1c7d2b83d |
children | d30f2c39caae |
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257:70e1c7d2b83d | 258:733dffa1fe97 |
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174 extern ngx_event_actions_t ngx_event_actions; | 174 extern ngx_event_actions_t ngx_event_actions; |
175 | 175 |
176 | 176 |
177 /* | 177 /* |
178 * The event filter requires to read/write the whole data - | 178 * The event filter requires to read/write the whole data - |
179 * select, poll, /dev/poll, kqueue, epoll. | 179 * select, poll, /dev/poll, kqueue. |
180 */ | 180 */ |
181 #define NGX_USE_LEVEL_EVENT 0x00000001 | 181 #define NGX_USE_LEVEL_EVENT 0x00000001 |
182 | 182 |
183 /* | 183 /* |
184 * The event filter is deleted after a notification without an additional | 184 * The event filter is deleted after a notification without an additional |
185 * syscall - select, poll, kqueue, epoll. | 185 * syscall - select, poll, kqueue. |
186 */ | 186 */ |
187 #define NGX_USE_ONESHOT_EVENT 0x00000002 | 187 #define NGX_USE_ONESHOT_EVENT 0x00000002 |
188 | 188 |
189 /* | 189 /* |
190 * The event filter notifies only the changes and an initial level - | 190 * The event filter notifies only the changes and an initial level - kqueue. |
191 * kqueue, epoll. | |
192 */ | 191 */ |
193 #define NGX_USE_CLEAR_EVENT 0x00000004 | 192 #define NGX_USE_CLEAR_EVENT 0x00000004 |
194 | 193 |
195 /* | 194 /* |
196 * The event filter has kqueue features - the eof flag, errno, | 195 * The event filter has kqueue features - the eof flag, errno, |
204 */ | 203 */ |
205 #define NGX_HAVE_LOWAT_EVENT 0x00000010 | 204 #define NGX_HAVE_LOWAT_EVENT 0x00000010 |
206 | 205 |
207 /* | 206 /* |
208 * The event filter notifies only the changes (the edges) | 207 * The event filter notifies only the changes (the edges) |
209 * but not an initial level - early epoll patches. | 208 * but not an initial level - epoll. |
210 */ | 209 */ |
211 #define NGX_USE_EDGE_EVENT 0x00000020 | 210 #define NGX_USE_EDGE_EVENT 0x00000020 |
212 | 211 |
213 /* | 212 /* |
214 * No need to add or delete the event filters - rt signals. | 213 * No need to add or delete the event filters - rt signals. |
274 | 273 |
275 #undef NGX_DISABLE_EVENT | 274 #undef NGX_DISABLE_EVENT |
276 #define NGX_DISABLE_EVENT EV_DISABLE | 275 #define NGX_DISABLE_EVENT EV_DISABLE |
277 | 276 |
278 | 277 |
279 #elif (HAVE_DEVPOLL) | 278 #elif (HAVE_POLL) |
280 | 279 |
281 #define NGX_READ_EVENT POLLIN | 280 #define NGX_READ_EVENT POLLIN |
282 #define NGX_WRITE_EVENT POLLOUT | 281 #define NGX_WRITE_EVENT POLLOUT |
283 | 282 |
284 #define NGX_LEVEL_EVENT 0 | 283 #define NGX_LEVEL_EVENT 0 |
285 | 284 #define NGX_ONESHOT_EVENT 1 |
286 | 285 |
287 #elif (HAVE_EPOLL) | 286 |
288 | 287 #elif (HAVE_DEVPOLL) |
289 #define NGX_READ_EVENT EPOLLIN | |
290 #define NGX_WRITE_EVENT EPOLLOUT | |
291 | |
292 #define NGX_LEVEL_EVENT 0 | |
293 #define NGX_CLEAR_EVENT EPOLLET | |
294 #define NGX_ONESHOT_EVENT 0x70000000 | |
295 #if 0 | |
296 #define NGX_ONESHOT_EVENT EPOLLONESHOT | |
297 #endif | |
298 | |
299 | |
300 #elif (HAVE_POLL) | |
301 | 288 |
302 #define NGX_READ_EVENT POLLIN | 289 #define NGX_READ_EVENT POLLIN |
303 #define NGX_WRITE_EVENT POLLOUT | 290 #define NGX_WRITE_EVENT POLLOUT |
304 | 291 |
305 #define NGX_LEVEL_EVENT 0 | 292 #define NGX_LEVEL_EVENT 0 |
306 #define NGX_ONESHOT_EVENT 1 | |
307 | 293 |
308 | 294 |
309 #else /* select */ | 295 #else /* select */ |
310 | 296 |
311 #define NGX_READ_EVENT 0 | 297 #define NGX_READ_EVENT 0 |