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comparison src/event/ngx_event.h @ 92:19cc647ecd91

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nginx-0.0.1-2003-05-20-19:37:55 import
author Igor Sysoev <igor@sysoev.ru>
date Tue, 20 May 2003 15:37:55 +0000
parents 637625a2acdb
children 738fe44c70d5
comparison
equal deleted inserted replaced
91:637625a2acdb 92:19cc647ecd91
1 #ifndef _NGX_EVENT_H_INCLUDED_ 1 #ifndef _NGX_EVENT_H_INCLUDED_
2 #define _NGX_EVENT_H_INCLUDED_ 2 #define _NGX_EVENT_H_INCLUDED_
3 3
4 4
5 #include <ngx_config.h> 5 #include <ngx_config.h>
6 #include <ngx_core.h>
7
8 #if 0
6 #include <ngx_types.h> 9 #include <ngx_types.h>
7 #include <ngx_time.h> 10 #include <ngx_time.h>
8 #include <ngx_socket.h> 11 #include <ngx_socket.h>
9 #include <ngx_log.h> 12 #include <ngx_log.h>
10 #include <ngx_alloc.h> 13 #include <ngx_alloc.h>
11 #include <ngx_array.h> 14 #include <ngx_array.h>
12 #include <ngx_conf_file.h> 15 #include <ngx_conf_file.h>
16 #endif
13 17
14 18
15 19
16 /* STUB */ 20 /* STUB */
17 #define NGX_LOWAT 10000 21 #define NGX_LOWAT 10000
18 22
19 #define NGX_INVALID_INDEX 0x80000000 23 #define NGX_INVALID_INDEX 0x80000000
20 24
21 25
26 #if 0
22 typedef struct ngx_event_s ngx_event_t; 27 typedef struct ngx_event_s ngx_event_t;
28 #endif
23 29
24 #if (HAVE_IOCP) 30 #if (HAVE_IOCP)
25 typedef struct { 31 typedef struct {
26 WSAOVERLAPPED ovlp; 32 WSAOVERLAPPED ovlp;
27 ngx_event_t *event; 33 ngx_event_t *event;
123 #endif 129 #endif
124 #endif 130 #endif
125 }; 131 };
126 132
127 133
134 #if 1
128 typedef enum { 135 typedef enum {
129 NGX_SELECT_EVENT_N = 0, 136 NGX_SELECT_EVENT_N = 0,
130 #if (HAVE_POLL) 137 #if (HAVE_POLL)
131 NGX_POLL_EVENT_N, 138 NGX_POLL_EVENT_N,
132 #endif 139 #endif
142 #if (HAVE_IOCP) 149 #if (HAVE_IOCP)
143 NGX_IOCP_EVENT_N, 150 NGX_IOCP_EVENT_N,
144 #endif 151 #endif
145 NGX_DUMMY_EVENT_N /* avoid comma at end of enumerator list */ 152 NGX_DUMMY_EVENT_N /* avoid comma at end of enumerator list */
146 } ngx_event_type_e ; 153 } ngx_event_type_e ;
147 154 #endif
148 155
149 156
150 typedef struct { 157 typedef struct {
151 int (*add)(ngx_event_t *ev, int event, u_int flags); 158 int (*add)(ngx_event_t *ev, int event, u_int flags);
152 int (*del)(ngx_event_t *ev, int event, u_int flags); 159 int (*del)(ngx_event_t *ev, int event, u_int flags);
163 } ngx_event_actions_t; 170 } ngx_event_actions_t;
164 171
165 172
166 /* The event filter requires to read/write the whole data - 173 /* The event filter requires to read/write the whole data -
167 select, poll, /dev/poll, kqueue. */ 174 select, poll, /dev/poll, kqueue. */
168 #define NGX_HAVE_LEVEL_EVENT 1 175 #define NGX_HAVE_LEVEL_EVENT 0x00000001
169 176
170 /* The event filter is deleted after a notification without an additional 177 /* The event filter is deleted after a notification without an additional
171 syscall - select, poll, kqueue. */ 178 syscall - select, poll, kqueue. */
172 #define NGX_HAVE_ONESHOT_EVENT 2 179 #define NGX_HAVE_ONESHOT_EVENT 0x00000002
173 180
174 /* The event filter notifies only the changes and an initial level - kqueue */ 181 /* The event filter notifies only the changes and an initial level - kqueue */
175 #define NGX_HAVE_CLEAR_EVENT 4 182 #define NGX_HAVE_CLEAR_EVENT 0x00000004
176 183
177 /* The event filter has kqueue features - the eof flag, errno, 184 /* The event filter has kqueue features - the eof flag, errno,
178 available data, etc */ 185 available data, etc */
179 #define NGX_HAVE_KQUEUE_EVENT 8 186 #define NGX_HAVE_KQUEUE_EVENT 0x00000008
180 187
181 /* The event filter supports low water mark - kqueue's NOTE_LOWAT. 188 /* The event filter supports low water mark - kqueue's NOTE_LOWAT.
182 kqueue in FreeBSD 4.1-4.2 has no NOTE_LOWAT so we need a separate flag */ 189 kqueue in FreeBSD 4.1-4.2 has no NOTE_LOWAT so we need a separate flag */
183 #define NGX_HAVE_LOWAT_EVENT 0x00000010 190 #define NGX_HAVE_LOWAT_EVENT 0x00000010
184 191
205 Has no meaning for select, poll, epoll. 212 Has no meaning for select, poll, epoll.
206 213
207 kqueue: kqueue deletes event filters for file that closed 214 kqueue: kqueue deletes event filters for file that closed
208 so we need only to delete filters in user-level batch array 215 so we need only to delete filters in user-level batch array
209 /dev/poll: we need to flush POLLREMOVE event before closing file */ 216 /dev/poll: we need to flush POLLREMOVE event before closing file */
217
210 #define NGX_CLOSE_EVENT 1 218 #define NGX_CLOSE_EVENT 1
211 219
212 220
213 #if (HAVE_KQUEUE) 221 #if (HAVE_KQUEUE)
214 222
215 #define NGX_READ_EVENT EVFILT_READ 223 #define NGX_READ_EVENT EVFILT_READ
216 #define NGX_WRITE_EVENT EVFILT_WRITE 224 #define NGX_WRITE_EVENT EVFILT_WRITE
217
218 #define NGX_ENABLE_EVENT EV_ENABLE
219 #define NGX_DISABLE_EVENT EV_DISABLE
220 225
221 /* NGX_CLOSE_EVENT is the module flag and it would not go into a kernel 226 /* NGX_CLOSE_EVENT is the module flag and it would not go into a kernel
222 so we need to choose the value that would not interfere with any existent 227 so we need to choose the value that would not interfere with any existent
223 and future flags. kqueue has such values - EV_FLAG1, EV_EOF and EV_ERROR. 228 and future flags. kqueue has such values - EV_FLAG1, EV_EOF and EV_ERROR.
224 They are reserved and cleared on a kernel entrance */ 229 They are reserved and cleared on a kernel entrance */
250 #define NGX_LEVEL_EVENT 0 255 #define NGX_LEVEL_EVENT 0
251 #define NGX_ONESHOT_EVENT 1 256 #define NGX_ONESHOT_EVENT 1
252 257
253 #endif /* HAVE_KQUEUE */ 258 #endif /* HAVE_KQUEUE */
254 259
260 #ifndef NGX_CLEAR_EVENT
261 #define NGX_CLEAR_EVENT 0 /* dummy */
262 #endif
263
255 #if (USE_KQUEUE) 264 #if (USE_KQUEUE)
256 265
257 #define ngx_init_events ngx_kqueue_init 266 #define ngx_init_events ngx_kqueue_init
258 #define ngx_process_events ngx_kqueue_process_events 267 #define ngx_process_events ngx_kqueue_process_events
259 #define ngx_add_event ngx_kqueue_add_event 268 #define ngx_add_event ngx_kqueue_add_event
315 #define NGX_EVENT_MODULE 0 324 #define NGX_EVENT_MODULE 0
316 325
317 326
318 typedef struct { 327 typedef struct {
319 int connections; 328 int connections;
329 int timer_queues;
320 int type; 330 int type;
321 int timer_queues;
322 } ngx_event_conf_t; 331 } ngx_event_conf_t;
323 332
324 333
325 typedef struct { 334 typedef struct {
326 int index; 335 int index;