… | |
… | |
32 | #ifdef __cplusplus |
32 | #ifdef __cplusplus |
33 | extern "C" { |
33 | extern "C" { |
34 | #endif |
34 | #endif |
35 | |
35 | |
36 | #ifndef EV_STANDALONE |
36 | #ifndef EV_STANDALONE |
|
|
37 | # ifdef EV_CONFIG_H |
|
|
38 | # include EV_CONFIG_H |
|
|
39 | # else |
37 | # include "config.h" |
40 | # include "config.h" |
|
|
41 | # endif |
38 | |
42 | |
39 | # if HAVE_CLOCK_GETTIME |
43 | # if HAVE_CLOCK_GETTIME |
|
|
44 | # ifndef EV_USE_MONOTONIC |
40 | # define EV_USE_MONOTONIC 1 |
45 | # define EV_USE_MONOTONIC 1 |
|
|
46 | # endif |
|
|
47 | # ifndef EV_USE_REALTIME |
41 | # define EV_USE_REALTIME 1 |
48 | # define EV_USE_REALTIME 1 |
|
|
49 | # endif |
|
|
50 | # else |
|
|
51 | # ifndef EV_USE_MONOTONIC |
|
|
52 | # define EV_USE_MONOTONIC 0 |
|
|
53 | # endif |
|
|
54 | # ifndef EV_USE_REALTIME |
|
|
55 | # define EV_USE_REALTIME 0 |
|
|
56 | # endif |
42 | # endif |
57 | # endif |
43 | |
58 | |
|
|
59 | # ifndef EV_USE_SELECT |
44 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
60 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
45 | # define EV_USE_SELECT 1 |
61 | # define EV_USE_SELECT 1 |
|
|
62 | # else |
|
|
63 | # define EV_USE_SELECT 0 |
|
|
64 | # endif |
46 | # endif |
65 | # endif |
47 | |
66 | |
|
|
67 | # ifndef EV_USE_POLL |
48 | # if HAVE_POLL && HAVE_POLL_H |
68 | # if HAVE_POLL && HAVE_POLL_H |
49 | # define EV_USE_POLL 1 |
69 | # define EV_USE_POLL 1 |
|
|
70 | # else |
|
|
71 | # define EV_USE_POLL 0 |
|
|
72 | # endif |
50 | # endif |
73 | # endif |
51 | |
74 | |
|
|
75 | # ifndef EV_USE_EPOLL |
52 | # if HAVE_EPOLL && HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H |
76 | # if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H |
53 | # define EV_USE_EPOLL 1 |
77 | # define EV_USE_EPOLL 1 |
|
|
78 | # else |
|
|
79 | # define EV_USE_EPOLL 0 |
|
|
80 | # endif |
54 | # endif |
81 | # endif |
55 | |
82 | |
|
|
83 | # ifndef EV_USE_KQUEUE |
56 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H |
84 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H |
57 | # define EV_USE_KQUEUE 1 |
85 | # define EV_USE_KQUEUE 1 |
|
|
86 | # else |
|
|
87 | # define EV_USE_KQUEUE 0 |
|
|
88 | # endif |
|
|
89 | # endif |
|
|
90 | |
|
|
91 | # ifndef EV_USE_PORT |
|
|
92 | # if HAVE_PORT_H && HAVE_PORT_CREATE |
|
|
93 | # define EV_USE_PORT 1 |
|
|
94 | # else |
|
|
95 | # define EV_USE_PORT 0 |
|
|
96 | # endif |
|
|
97 | # endif |
|
|
98 | |
|
|
99 | # ifndef EV_USE_INOTIFY |
|
|
100 | # if HAVE_INOTIFY_INIT && HAVE_SYS_INOTIFY_H |
|
|
101 | # define EV_USE_INOTIFY 1 |
|
|
102 | # else |
|
|
103 | # define EV_USE_INOTIFY 0 |
|
|
104 | # endif |
58 | # endif |
105 | # endif |
59 | |
106 | |
60 | #endif |
107 | #endif |
61 | |
108 | |
62 | #include <math.h> |
109 | #include <math.h> |
… | |
… | |
71 | #include <sys/types.h> |
118 | #include <sys/types.h> |
72 | #include <time.h> |
119 | #include <time.h> |
73 | |
120 | |
74 | #include <signal.h> |
121 | #include <signal.h> |
75 | |
122 | |
76 | #ifndef WIN32 |
|
|
77 | # include <unistd.h> |
|
|
78 | # include <sys/time.h> |
|
|
79 | # include <sys/wait.h> |
|
|
80 | #endif |
|
|
81 | /**/ |
|
|
82 | |
|
|
83 | #ifndef EV_USE_MONOTONIC |
|
|
84 | # define EV_USE_MONOTONIC 1 |
|
|
85 | #endif |
|
|
86 | |
|
|
87 | #ifndef EV_USE_SELECT |
|
|
88 | # define EV_USE_SELECT 1 |
|
|
89 | #endif |
|
|
90 | |
|
|
91 | #ifndef EV_USE_POLL |
|
|
92 | # define EV_USE_POLL 0 /* poll is usually slower than select, and not as well tested */ |
|
|
93 | #endif |
|
|
94 | |
|
|
95 | #ifndef EV_USE_EPOLL |
|
|
96 | # define EV_USE_EPOLL 0 |
|
|
97 | #endif |
|
|
98 | |
|
|
99 | #ifndef EV_USE_KQUEUE |
|
|
100 | # define EV_USE_KQUEUE 0 |
|
|
101 | #endif |
|
|
102 | |
|
|
103 | #ifndef EV_USE_WIN32 |
|
|
104 | # ifdef WIN32 |
|
|
105 | # define EV_USE_WIN32 0 /* it does not exist, use select */ |
|
|
106 | # undef EV_USE_SELECT |
|
|
107 | # define EV_USE_SELECT 1 |
|
|
108 | # else |
|
|
109 | # define EV_USE_WIN32 0 |
|
|
110 | # endif |
|
|
111 | #endif |
|
|
112 | |
|
|
113 | #ifndef EV_USE_REALTIME |
|
|
114 | # define EV_USE_REALTIME 1 |
|
|
115 | #endif |
|
|
116 | |
|
|
117 | /**/ |
|
|
118 | |
|
|
119 | #ifndef CLOCK_MONOTONIC |
|
|
120 | # undef EV_USE_MONOTONIC |
|
|
121 | # define EV_USE_MONOTONIC 0 |
|
|
122 | #endif |
|
|
123 | |
|
|
124 | #ifndef CLOCK_REALTIME |
|
|
125 | # undef EV_USE_REALTIME |
|
|
126 | # define EV_USE_REALTIME 0 |
|
|
127 | #endif |
|
|
128 | |
|
|
129 | /**/ |
|
|
130 | |
|
|
131 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
|
|
132 | #define MAX_BLOCKTIME 59.731 /* never wait longer than this time (to detect time jumps) */ |
|
|
133 | #define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */ |
|
|
134 | /*#define CLEANUP_INTERVAL 300. /* how often to try to free memory and re-check fds */ |
|
|
135 | |
|
|
136 | #ifdef EV_H |
123 | #ifdef EV_H |
137 | # include EV_H |
124 | # include EV_H |
138 | #else |
125 | #else |
139 | # include "ev.h" |
126 | # include "ev.h" |
140 | #endif |
127 | #endif |
141 | |
128 | |
|
|
129 | #ifndef _WIN32 |
|
|
130 | # include <sys/time.h> |
|
|
131 | # include <sys/wait.h> |
|
|
132 | # include <unistd.h> |
|
|
133 | #else |
|
|
134 | # define WIN32_LEAN_AND_MEAN |
|
|
135 | # include <windows.h> |
|
|
136 | # ifndef EV_SELECT_IS_WINSOCKET |
|
|
137 | # define EV_SELECT_IS_WINSOCKET 1 |
|
|
138 | # endif |
|
|
139 | #endif |
|
|
140 | |
|
|
141 | /**/ |
|
|
142 | |
|
|
143 | #ifndef EV_USE_MONOTONIC |
|
|
144 | # define EV_USE_MONOTONIC 0 |
|
|
145 | #endif |
|
|
146 | |
|
|
147 | #ifndef EV_USE_REALTIME |
|
|
148 | # define EV_USE_REALTIME 0 |
|
|
149 | #endif |
|
|
150 | |
|
|
151 | #ifndef EV_USE_SELECT |
|
|
152 | # define EV_USE_SELECT 1 |
|
|
153 | #endif |
|
|
154 | |
|
|
155 | #ifndef EV_USE_POLL |
|
|
156 | # ifdef _WIN32 |
|
|
157 | # define EV_USE_POLL 0 |
|
|
158 | # else |
|
|
159 | # define EV_USE_POLL 1 |
|
|
160 | # endif |
|
|
161 | #endif |
|
|
162 | |
|
|
163 | #ifndef EV_USE_EPOLL |
|
|
164 | # define EV_USE_EPOLL 0 |
|
|
165 | #endif |
|
|
166 | |
|
|
167 | #ifndef EV_USE_KQUEUE |
|
|
168 | # define EV_USE_KQUEUE 0 |
|
|
169 | #endif |
|
|
170 | |
|
|
171 | #ifndef EV_USE_PORT |
|
|
172 | # define EV_USE_PORT 0 |
|
|
173 | #endif |
|
|
174 | |
|
|
175 | #ifndef EV_USE_INOTIFY |
|
|
176 | # define EV_USE_INOTIFY 0 |
|
|
177 | #endif |
|
|
178 | |
|
|
179 | #ifndef EV_PID_HASHSIZE |
|
|
180 | # if EV_MINIMAL |
|
|
181 | # define EV_PID_HASHSIZE 1 |
|
|
182 | # else |
|
|
183 | # define EV_PID_HASHSIZE 16 |
|
|
184 | # endif |
|
|
185 | #endif |
|
|
186 | |
|
|
187 | #ifndef EV_INOTIFY_HASHSIZE |
|
|
188 | # if EV_MINIMAL |
|
|
189 | # define EV_INOTIFY_HASHSIZE 1 |
|
|
190 | # else |
|
|
191 | # define EV_INOTIFY_HASHSIZE 16 |
|
|
192 | # endif |
|
|
193 | #endif |
|
|
194 | |
|
|
195 | /**/ |
|
|
196 | |
|
|
197 | #ifndef CLOCK_MONOTONIC |
|
|
198 | # undef EV_USE_MONOTONIC |
|
|
199 | # define EV_USE_MONOTONIC 0 |
|
|
200 | #endif |
|
|
201 | |
|
|
202 | #ifndef CLOCK_REALTIME |
|
|
203 | # undef EV_USE_REALTIME |
|
|
204 | # define EV_USE_REALTIME 0 |
|
|
205 | #endif |
|
|
206 | |
|
|
207 | #if !EV_STAT_ENABLE |
|
|
208 | # undef EV_USE_INOTIFY |
|
|
209 | # define EV_USE_INOTIFY 0 |
|
|
210 | #endif |
|
|
211 | |
|
|
212 | #if EV_USE_INOTIFY |
|
|
213 | # include <sys/inotify.h> |
|
|
214 | #endif |
|
|
215 | |
|
|
216 | #if EV_SELECT_IS_WINSOCKET |
|
|
217 | # include <winsock.h> |
|
|
218 | #endif |
|
|
219 | |
|
|
220 | /**/ |
|
|
221 | |
|
|
222 | /* |
|
|
223 | * This is used to avoid floating point rounding problems. |
|
|
224 | * It is added to ev_rt_now when scheduling periodics |
|
|
225 | * to ensure progress, time-wise, even when rounding |
|
|
226 | * errors are against us. |
|
|
227 | * This value is good at least till the year 4000. |
|
|
228 | * Better solutions welcome. |
|
|
229 | */ |
|
|
230 | #define TIME_EPSILON 0.0001220703125 /* 1/8192 */ |
|
|
231 | |
|
|
232 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
|
|
233 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
|
|
234 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds, TODO */ |
|
|
235 | |
142 | #if __GNUC__ >= 3 |
236 | #if __GNUC__ >= 4 |
143 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
237 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
144 | # define inline inline |
238 | # define noinline __attribute__ ((noinline)) |
145 | #else |
239 | #else |
146 | # define expect(expr,value) (expr) |
240 | # define expect(expr,value) (expr) |
147 | # define inline static |
241 | # define noinline |
|
|
242 | # if __STDC_VERSION__ < 199901L |
|
|
243 | # define inline |
|
|
244 | # endif |
148 | #endif |
245 | #endif |
149 | |
246 | |
150 | #define expect_false(expr) expect ((expr) != 0, 0) |
247 | #define expect_false(expr) expect ((expr) != 0, 0) |
151 | #define expect_true(expr) expect ((expr) != 0, 1) |
248 | #define expect_true(expr) expect ((expr) != 0, 1) |
|
|
249 | #define inline_size static inline |
|
|
250 | |
|
|
251 | #if EV_MINIMAL |
|
|
252 | # define inline_speed static noinline |
|
|
253 | #else |
|
|
254 | # define inline_speed static inline |
|
|
255 | #endif |
152 | |
256 | |
153 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
257 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
154 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
258 | #define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
155 | |
259 | |
|
|
260 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
|
|
261 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
|
|
262 | |
156 | typedef struct ev_watcher *W; |
263 | typedef ev_watcher *W; |
157 | typedef struct ev_watcher_list *WL; |
264 | typedef ev_watcher_list *WL; |
158 | typedef struct ev_watcher_time *WT; |
265 | typedef ev_watcher_time *WT; |
159 | |
266 | |
160 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
267 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
161 | |
268 | |
|
|
269 | #ifdef _WIN32 |
162 | #include "ev_win32.c" |
270 | # include "ev_win32.c" |
|
|
271 | #endif |
163 | |
272 | |
164 | /*****************************************************************************/ |
273 | /*****************************************************************************/ |
165 | |
274 | |
166 | static void (*syserr_cb)(const char *msg); |
275 | static void (*syserr_cb)(const char *msg); |
167 | |
276 | |
|
|
277 | void |
168 | void ev_set_syserr_cb (void (*cb)(const char *msg)) |
278 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
169 | { |
279 | { |
170 | syserr_cb = cb; |
280 | syserr_cb = cb; |
171 | } |
281 | } |
172 | |
282 | |
173 | static void |
283 | static void noinline |
174 | syserr (const char *msg) |
284 | syserr (const char *msg) |
175 | { |
285 | { |
176 | if (!msg) |
286 | if (!msg) |
177 | msg = "(libev) system error"; |
287 | msg = "(libev) system error"; |
178 | |
288 | |
… | |
… | |
185 | } |
295 | } |
186 | } |
296 | } |
187 | |
297 | |
188 | static void *(*alloc)(void *ptr, long size); |
298 | static void *(*alloc)(void *ptr, long size); |
189 | |
299 | |
|
|
300 | void |
190 | void ev_set_allocator (void *(*cb)(void *ptr, long size)) |
301 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
191 | { |
302 | { |
192 | alloc = cb; |
303 | alloc = cb; |
193 | } |
304 | } |
194 | |
305 | |
195 | static void * |
306 | inline_speed void * |
196 | ev_realloc (void *ptr, long size) |
307 | ev_realloc (void *ptr, long size) |
197 | { |
308 | { |
198 | ptr = alloc ? alloc (ptr, size) : realloc (ptr, size); |
309 | ptr = alloc ? alloc (ptr, size) : realloc (ptr, size); |
199 | |
310 | |
200 | if (!ptr && size) |
311 | if (!ptr && size) |
… | |
… | |
214 | typedef struct |
325 | typedef struct |
215 | { |
326 | { |
216 | WL head; |
327 | WL head; |
217 | unsigned char events; |
328 | unsigned char events; |
218 | unsigned char reify; |
329 | unsigned char reify; |
|
|
330 | #if EV_SELECT_IS_WINSOCKET |
|
|
331 | SOCKET handle; |
|
|
332 | #endif |
219 | } ANFD; |
333 | } ANFD; |
220 | |
334 | |
221 | typedef struct |
335 | typedef struct |
222 | { |
336 | { |
223 | W w; |
337 | W w; |
224 | int events; |
338 | int events; |
225 | } ANPENDING; |
339 | } ANPENDING; |
226 | |
340 | |
|
|
341 | #if EV_USE_INOTIFY |
|
|
342 | typedef struct |
|
|
343 | { |
|
|
344 | WL head; |
|
|
345 | } ANFS; |
|
|
346 | #endif |
|
|
347 | |
227 | #if EV_MULTIPLICITY |
348 | #if EV_MULTIPLICITY |
228 | |
349 | |
229 | struct ev_loop |
350 | struct ev_loop |
230 | { |
351 | { |
231 | ev_tstamp ev_rt_now; |
352 | ev_tstamp ev_rt_now; |
|
|
353 | #define ev_rt_now ((loop)->ev_rt_now) |
232 | #define VAR(name,decl) decl; |
354 | #define VAR(name,decl) decl; |
233 | #include "ev_vars.h" |
355 | #include "ev_vars.h" |
234 | #undef VAR |
356 | #undef VAR |
235 | }; |
357 | }; |
236 | #include "ev_wrap.h" |
358 | #include "ev_wrap.h" |
237 | |
359 | |
238 | struct ev_loop default_loop_struct; |
360 | static struct ev_loop default_loop_struct; |
239 | static struct ev_loop *default_loop; |
361 | struct ev_loop *ev_default_loop_ptr; |
240 | |
362 | |
241 | #else |
363 | #else |
242 | |
364 | |
243 | ev_tstamp ev_rt_now; |
365 | ev_tstamp ev_rt_now; |
244 | #define VAR(name,decl) static decl; |
366 | #define VAR(name,decl) static decl; |
245 | #include "ev_vars.h" |
367 | #include "ev_vars.h" |
246 | #undef VAR |
368 | #undef VAR |
247 | |
369 | |
248 | static int default_loop; |
370 | static int ev_default_loop_ptr; |
249 | |
371 | |
250 | #endif |
372 | #endif |
251 | |
373 | |
252 | /*****************************************************************************/ |
374 | /*****************************************************************************/ |
253 | |
375 | |
254 | inline ev_tstamp |
376 | ev_tstamp |
255 | ev_time (void) |
377 | ev_time (void) |
256 | { |
378 | { |
257 | #if EV_USE_REALTIME |
379 | #if EV_USE_REALTIME |
258 | struct timespec ts; |
380 | struct timespec ts; |
259 | clock_gettime (CLOCK_REALTIME, &ts); |
381 | clock_gettime (CLOCK_REALTIME, &ts); |
… | |
… | |
263 | gettimeofday (&tv, 0); |
385 | gettimeofday (&tv, 0); |
264 | return tv.tv_sec + tv.tv_usec * 1e-6; |
386 | return tv.tv_sec + tv.tv_usec * 1e-6; |
265 | #endif |
387 | #endif |
266 | } |
388 | } |
267 | |
389 | |
268 | inline ev_tstamp |
390 | ev_tstamp inline_size |
269 | get_clock (void) |
391 | get_clock (void) |
270 | { |
392 | { |
271 | #if EV_USE_MONOTONIC |
393 | #if EV_USE_MONOTONIC |
272 | if (expect_true (have_monotonic)) |
394 | if (expect_true (have_monotonic)) |
273 | { |
395 | { |
… | |
… | |
286 | { |
408 | { |
287 | return ev_rt_now; |
409 | return ev_rt_now; |
288 | } |
410 | } |
289 | #endif |
411 | #endif |
290 | |
412 | |
291 | #define array_roundsize(type,n) ((n) | 4 & ~3) |
413 | int inline_size |
|
|
414 | array_nextsize (int elem, int cur, int cnt) |
|
|
415 | { |
|
|
416 | int ncur = cur + 1; |
|
|
417 | |
|
|
418 | do |
|
|
419 | ncur <<= 1; |
|
|
420 | while (cnt > ncur); |
|
|
421 | |
|
|
422 | /* if size > 4096, round to 4096 - 4 * longs to accomodate malloc overhead */ |
|
|
423 | if (elem * ncur > 4096) |
|
|
424 | { |
|
|
425 | ncur *= elem; |
|
|
426 | ncur = (ncur + elem + 4095 + sizeof (void *) * 4) & ~4095; |
|
|
427 | ncur = ncur - sizeof (void *) * 4; |
|
|
428 | ncur /= elem; |
|
|
429 | } |
|
|
430 | |
|
|
431 | return ncur; |
|
|
432 | } |
|
|
433 | |
|
|
434 | static noinline void * |
|
|
435 | array_realloc (int elem, void *base, int *cur, int cnt) |
|
|
436 | { |
|
|
437 | *cur = array_nextsize (elem, *cur, cnt); |
|
|
438 | return ev_realloc (base, elem * *cur); |
|
|
439 | } |
292 | |
440 | |
293 | #define array_needsize(type,base,cur,cnt,init) \ |
441 | #define array_needsize(type,base,cur,cnt,init) \ |
294 | if (expect_false ((cnt) > cur)) \ |
442 | if (expect_false ((cnt) > (cur))) \ |
295 | { \ |
443 | { \ |
296 | int newcnt = cur; \ |
444 | int ocur_ = (cur); \ |
297 | do \ |
445 | (base) = (type *)array_realloc \ |
298 | { \ |
446 | (sizeof (type), (base), &(cur), (cnt)); \ |
299 | newcnt = array_roundsize (type, newcnt << 1); \ |
447 | init ((base) + (ocur_), (cur) - ocur_); \ |
300 | } \ |
|
|
301 | while ((cnt) > newcnt); \ |
|
|
302 | \ |
|
|
303 | base = (type *)ev_realloc (base, sizeof (type) * (newcnt));\ |
|
|
304 | init (base + cur, newcnt - cur); \ |
|
|
305 | cur = newcnt; \ |
|
|
306 | } |
448 | } |
307 | |
449 | |
|
|
450 | #if 0 |
308 | #define array_slim(type,stem) \ |
451 | #define array_slim(type,stem) \ |
309 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
452 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
310 | { \ |
453 | { \ |
311 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
454 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
312 | base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\ |
455 | base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\ |
313 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
456 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
314 | } |
457 | } |
315 | |
458 | #endif |
316 | /* microsoft's pseudo-c is quite far from C as the rest of the world and the standard knows it */ |
|
|
317 | /* bringing us everlasting joy in form of stupid extra macros that are not required in C */ |
|
|
318 | #define array_free_microshit(stem) \ |
|
|
319 | ev_free (stem ## s); stem ## cnt = stem ## max = 0; |
|
|
320 | |
459 | |
321 | #define array_free(stem, idx) \ |
460 | #define array_free(stem, idx) \ |
322 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
461 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
323 | |
462 | |
324 | /*****************************************************************************/ |
463 | /*****************************************************************************/ |
325 | |
464 | |
326 | static void |
465 | void noinline |
|
|
466 | ev_feed_event (EV_P_ void *w, int revents) |
|
|
467 | { |
|
|
468 | W w_ = (W)w; |
|
|
469 | int pri = ABSPRI (w_); |
|
|
470 | |
|
|
471 | if (expect_false (w_->pending)) |
|
|
472 | pendings [pri][w_->pending - 1].events |= revents; |
|
|
473 | else |
|
|
474 | { |
|
|
475 | w_->pending = ++pendingcnt [pri]; |
|
|
476 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); |
|
|
477 | pendings [pri][w_->pending - 1].w = w_; |
|
|
478 | pendings [pri][w_->pending - 1].events = revents; |
|
|
479 | } |
|
|
480 | } |
|
|
481 | |
|
|
482 | void inline_speed |
|
|
483 | queue_events (EV_P_ W *events, int eventcnt, int type) |
|
|
484 | { |
|
|
485 | int i; |
|
|
486 | |
|
|
487 | for (i = 0; i < eventcnt; ++i) |
|
|
488 | ev_feed_event (EV_A_ events [i], type); |
|
|
489 | } |
|
|
490 | |
|
|
491 | /*****************************************************************************/ |
|
|
492 | |
|
|
493 | void inline_size |
327 | anfds_init (ANFD *base, int count) |
494 | anfds_init (ANFD *base, int count) |
328 | { |
495 | { |
329 | while (count--) |
496 | while (count--) |
330 | { |
497 | { |
331 | base->head = 0; |
498 | base->head = 0; |
… | |
… | |
334 | |
501 | |
335 | ++base; |
502 | ++base; |
336 | } |
503 | } |
337 | } |
504 | } |
338 | |
505 | |
339 | void |
506 | void inline_speed |
340 | ev_feed_event (EV_P_ void *w, int revents) |
|
|
341 | { |
|
|
342 | W w_ = (W)w; |
|
|
343 | |
|
|
344 | if (w_->pending) |
|
|
345 | { |
|
|
346 | pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; |
|
|
347 | return; |
|
|
348 | } |
|
|
349 | |
|
|
350 | w_->pending = ++pendingcnt [ABSPRI (w_)]; |
|
|
351 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], (void)); |
|
|
352 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
|
|
353 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
|
|
354 | } |
|
|
355 | |
|
|
356 | static void |
|
|
357 | queue_events (EV_P_ W *events, int eventcnt, int type) |
|
|
358 | { |
|
|
359 | int i; |
|
|
360 | |
|
|
361 | for (i = 0; i < eventcnt; ++i) |
|
|
362 | ev_feed_event (EV_A_ events [i], type); |
|
|
363 | } |
|
|
364 | |
|
|
365 | inline void |
|
|
366 | fd_event (EV_P_ int fd, int revents) |
507 | fd_event (EV_P_ int fd, int revents) |
367 | { |
508 | { |
368 | ANFD *anfd = anfds + fd; |
509 | ANFD *anfd = anfds + fd; |
369 | struct ev_io *w; |
510 | ev_io *w; |
370 | |
511 | |
371 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
512 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
372 | { |
513 | { |
373 | int ev = w->events & revents; |
514 | int ev = w->events & revents; |
374 | |
515 | |
375 | if (ev) |
516 | if (ev) |
376 | ev_feed_event (EV_A_ (W)w, ev); |
517 | ev_feed_event (EV_A_ (W)w, ev); |
… | |
… | |
378 | } |
519 | } |
379 | |
520 | |
380 | void |
521 | void |
381 | ev_feed_fd_event (EV_P_ int fd, int revents) |
522 | ev_feed_fd_event (EV_P_ int fd, int revents) |
382 | { |
523 | { |
|
|
524 | if (fd >= 0 && fd < anfdmax) |
383 | fd_event (EV_A_ fd, revents); |
525 | fd_event (EV_A_ fd, revents); |
384 | } |
526 | } |
385 | |
527 | |
386 | /*****************************************************************************/ |
528 | void inline_size |
387 | |
|
|
388 | static void |
|
|
389 | fd_reify (EV_P) |
529 | fd_reify (EV_P) |
390 | { |
530 | { |
391 | int i; |
531 | int i; |
392 | |
532 | |
393 | for (i = 0; i < fdchangecnt; ++i) |
533 | for (i = 0; i < fdchangecnt; ++i) |
394 | { |
534 | { |
395 | int fd = fdchanges [i]; |
535 | int fd = fdchanges [i]; |
396 | ANFD *anfd = anfds + fd; |
536 | ANFD *anfd = anfds + fd; |
397 | struct ev_io *w; |
537 | ev_io *w; |
398 | |
538 | |
399 | int events = 0; |
539 | unsigned char events = 0; |
400 | |
540 | |
401 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
541 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
402 | events |= w->events; |
542 | events |= (unsigned char)w->events; |
403 | |
543 | |
|
|
544 | #if EV_SELECT_IS_WINSOCKET |
|
|
545 | if (events) |
|
|
546 | { |
|
|
547 | unsigned long argp; |
|
|
548 | anfd->handle = _get_osfhandle (fd); |
|
|
549 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
|
|
550 | } |
|
|
551 | #endif |
|
|
552 | |
|
|
553 | { |
|
|
554 | unsigned char o_events = anfd->events; |
|
|
555 | unsigned char o_reify = anfd->reify; |
|
|
556 | |
404 | anfd->reify = 0; |
557 | anfd->reify = 0; |
405 | |
|
|
406 | method_modify (EV_A_ fd, anfd->events, events); |
|
|
407 | anfd->events = events; |
558 | anfd->events = events; |
|
|
559 | |
|
|
560 | if (o_events != events || o_reify & EV_IOFDSET) |
|
|
561 | backend_modify (EV_A_ fd, o_events, events); |
|
|
562 | } |
408 | } |
563 | } |
409 | |
564 | |
410 | fdchangecnt = 0; |
565 | fdchangecnt = 0; |
411 | } |
566 | } |
412 | |
567 | |
413 | static void |
568 | void inline_size |
414 | fd_change (EV_P_ int fd) |
569 | fd_change (EV_P_ int fd, int flags) |
415 | { |
570 | { |
416 | if (anfds [fd].reify) |
571 | unsigned char reify = anfds [fd].reify; |
417 | return; |
|
|
418 | |
|
|
419 | anfds [fd].reify = 1; |
572 | anfds [fd].reify |= flags; |
420 | |
573 | |
|
|
574 | if (expect_true (!reify)) |
|
|
575 | { |
421 | ++fdchangecnt; |
576 | ++fdchangecnt; |
422 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, (void)); |
577 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
423 | fdchanges [fdchangecnt - 1] = fd; |
578 | fdchanges [fdchangecnt - 1] = fd; |
|
|
579 | } |
424 | } |
580 | } |
425 | |
581 | |
426 | static void |
582 | void inline_speed |
427 | fd_kill (EV_P_ int fd) |
583 | fd_kill (EV_P_ int fd) |
428 | { |
584 | { |
429 | struct ev_io *w; |
585 | ev_io *w; |
430 | |
586 | |
431 | while ((w = (struct ev_io *)anfds [fd].head)) |
587 | while ((w = (ev_io *)anfds [fd].head)) |
432 | { |
588 | { |
433 | ev_io_stop (EV_A_ w); |
589 | ev_io_stop (EV_A_ w); |
434 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
590 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
435 | } |
591 | } |
436 | } |
592 | } |
437 | |
593 | |
438 | static int |
594 | int inline_size |
439 | fd_valid (int fd) |
595 | fd_valid (int fd) |
440 | { |
596 | { |
441 | #ifdef WIN32 |
597 | #ifdef _WIN32 |
442 | return !!win32_get_osfhandle (fd); |
598 | return _get_osfhandle (fd) != -1; |
443 | #else |
599 | #else |
444 | return fcntl (fd, F_GETFD) != -1; |
600 | return fcntl (fd, F_GETFD) != -1; |
445 | #endif |
601 | #endif |
446 | } |
602 | } |
447 | |
603 | |
448 | /* called on EBADF to verify fds */ |
604 | /* called on EBADF to verify fds */ |
449 | static void |
605 | static void noinline |
450 | fd_ebadf (EV_P) |
606 | fd_ebadf (EV_P) |
451 | { |
607 | { |
452 | int fd; |
608 | int fd; |
453 | |
609 | |
454 | for (fd = 0; fd < anfdmax; ++fd) |
610 | for (fd = 0; fd < anfdmax; ++fd) |
… | |
… | |
456 | if (!fd_valid (fd) == -1 && errno == EBADF) |
612 | if (!fd_valid (fd) == -1 && errno == EBADF) |
457 | fd_kill (EV_A_ fd); |
613 | fd_kill (EV_A_ fd); |
458 | } |
614 | } |
459 | |
615 | |
460 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
616 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
461 | static void |
617 | static void noinline |
462 | fd_enomem (EV_P) |
618 | fd_enomem (EV_P) |
463 | { |
619 | { |
464 | int fd; |
620 | int fd; |
465 | |
621 | |
466 | for (fd = anfdmax; fd--; ) |
622 | for (fd = anfdmax; fd--; ) |
… | |
… | |
469 | fd_kill (EV_A_ fd); |
625 | fd_kill (EV_A_ fd); |
470 | return; |
626 | return; |
471 | } |
627 | } |
472 | } |
628 | } |
473 | |
629 | |
474 | /* usually called after fork if method needs to re-arm all fds from scratch */ |
630 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
475 | static void |
631 | static void noinline |
476 | fd_rearm_all (EV_P) |
632 | fd_rearm_all (EV_P) |
477 | { |
633 | { |
478 | int fd; |
634 | int fd; |
479 | |
635 | |
480 | /* this should be highly optimised to not do anything but set a flag */ |
|
|
481 | for (fd = 0; fd < anfdmax; ++fd) |
636 | for (fd = 0; fd < anfdmax; ++fd) |
482 | if (anfds [fd].events) |
637 | if (anfds [fd].events) |
483 | { |
638 | { |
484 | anfds [fd].events = 0; |
639 | anfds [fd].events = 0; |
485 | fd_change (EV_A_ fd); |
640 | fd_change (EV_A_ fd, EV_IOFDSET | 1); |
486 | } |
641 | } |
487 | } |
642 | } |
488 | |
643 | |
489 | /*****************************************************************************/ |
644 | /*****************************************************************************/ |
490 | |
645 | |
491 | static void |
646 | void inline_speed |
492 | upheap (WT *heap, int k) |
647 | upheap (WT *heap, int k) |
493 | { |
648 | { |
494 | WT w = heap [k]; |
649 | WT w = heap [k]; |
495 | |
650 | |
496 | while (k && heap [k >> 1]->at > w->at) |
651 | while (k) |
497 | { |
652 | { |
|
|
653 | int p = (k - 1) >> 1; |
|
|
654 | |
|
|
655 | if (heap [p]->at <= w->at) |
|
|
656 | break; |
|
|
657 | |
498 | heap [k] = heap [k >> 1]; |
658 | heap [k] = heap [p]; |
499 | ((W)heap [k])->active = k + 1; |
659 | ((W)heap [k])->active = k + 1; |
500 | k >>= 1; |
660 | k = p; |
501 | } |
661 | } |
502 | |
662 | |
503 | heap [k] = w; |
663 | heap [k] = w; |
504 | ((W)heap [k])->active = k + 1; |
664 | ((W)heap [k])->active = k + 1; |
505 | |
|
|
506 | } |
665 | } |
507 | |
666 | |
508 | static void |
667 | void inline_speed |
509 | downheap (WT *heap, int N, int k) |
668 | downheap (WT *heap, int N, int k) |
510 | { |
669 | { |
511 | WT w = heap [k]; |
670 | WT w = heap [k]; |
512 | |
671 | |
513 | while (k < (N >> 1)) |
672 | for (;;) |
514 | { |
673 | { |
515 | int j = k << 1; |
674 | int c = (k << 1) + 1; |
516 | |
675 | |
517 | if (j + 1 < N && heap [j]->at > heap [j + 1]->at) |
676 | if (c >= N) |
518 | ++j; |
|
|
519 | |
|
|
520 | if (w->at <= heap [j]->at) |
|
|
521 | break; |
677 | break; |
522 | |
678 | |
|
|
679 | c += c + 1 < N && heap [c]->at > heap [c + 1]->at |
|
|
680 | ? 1 : 0; |
|
|
681 | |
|
|
682 | if (w->at <= heap [c]->at) |
|
|
683 | break; |
|
|
684 | |
523 | heap [k] = heap [j]; |
685 | heap [k] = heap [c]; |
524 | ((W)heap [k])->active = k + 1; |
686 | ((W)heap [k])->active = k + 1; |
|
|
687 | |
525 | k = j; |
688 | k = c; |
526 | } |
689 | } |
527 | |
690 | |
528 | heap [k] = w; |
691 | heap [k] = w; |
529 | ((W)heap [k])->active = k + 1; |
692 | ((W)heap [k])->active = k + 1; |
530 | } |
693 | } |
531 | |
694 | |
532 | inline void |
695 | void inline_size |
533 | adjustheap (WT *heap, int N, int k, ev_tstamp at) |
696 | adjustheap (WT *heap, int N, int k) |
534 | { |
697 | { |
535 | ev_tstamp old_at = heap [k]->at; |
698 | upheap (heap, k); |
536 | heap [k]->at = at; |
|
|
537 | |
|
|
538 | if (old_at < at) |
|
|
539 | downheap (heap, N, k); |
699 | downheap (heap, N, k); |
540 | else |
|
|
541 | upheap (heap, k); |
|
|
542 | } |
700 | } |
543 | |
701 | |
544 | /*****************************************************************************/ |
702 | /*****************************************************************************/ |
545 | |
703 | |
546 | typedef struct |
704 | typedef struct |
… | |
… | |
552 | static ANSIG *signals; |
710 | static ANSIG *signals; |
553 | static int signalmax; |
711 | static int signalmax; |
554 | |
712 | |
555 | static int sigpipe [2]; |
713 | static int sigpipe [2]; |
556 | static sig_atomic_t volatile gotsig; |
714 | static sig_atomic_t volatile gotsig; |
557 | static struct ev_io sigev; |
715 | static ev_io sigev; |
558 | |
716 | |
559 | static void |
717 | void inline_size |
560 | signals_init (ANSIG *base, int count) |
718 | signals_init (ANSIG *base, int count) |
561 | { |
719 | { |
562 | while (count--) |
720 | while (count--) |
563 | { |
721 | { |
564 | base->head = 0; |
722 | base->head = 0; |
… | |
… | |
569 | } |
727 | } |
570 | |
728 | |
571 | static void |
729 | static void |
572 | sighandler (int signum) |
730 | sighandler (int signum) |
573 | { |
731 | { |
574 | #if WIN32 |
732 | #if _WIN32 |
575 | signal (signum, sighandler); |
733 | signal (signum, sighandler); |
576 | #endif |
734 | #endif |
577 | |
735 | |
578 | signals [signum - 1].gotsig = 1; |
736 | signals [signum - 1].gotsig = 1; |
579 | |
737 | |
580 | if (!gotsig) |
738 | if (!gotsig) |
581 | { |
739 | { |
582 | int old_errno = errno; |
740 | int old_errno = errno; |
583 | gotsig = 1; |
741 | gotsig = 1; |
584 | #ifdef WIN32 |
|
|
585 | send (sigpipe [1], &signum, 1, MSG_DONTWAIT); |
|
|
586 | #else |
|
|
587 | write (sigpipe [1], &signum, 1); |
742 | write (sigpipe [1], &signum, 1); |
588 | #endif |
|
|
589 | errno = old_errno; |
743 | errno = old_errno; |
590 | } |
744 | } |
591 | } |
745 | } |
592 | |
746 | |
593 | void |
747 | void noinline |
594 | ev_feed_signal_event (EV_P_ int signum) |
748 | ev_feed_signal_event (EV_P_ int signum) |
595 | { |
749 | { |
596 | WL w; |
750 | WL w; |
597 | |
751 | |
598 | #if EV_MULTIPLICITY |
752 | #if EV_MULTIPLICITY |
599 | assert (("feeding signal events is only supported in the default loop", loop == default_loop)); |
753 | assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
600 | #endif |
754 | #endif |
601 | |
755 | |
602 | --signum; |
756 | --signum; |
603 | |
757 | |
604 | if (signum < 0 || signum >= signalmax) |
758 | if (signum < 0 || signum >= signalmax) |
… | |
… | |
609 | for (w = signals [signum].head; w; w = w->next) |
763 | for (w = signals [signum].head; w; w = w->next) |
610 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
764 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
611 | } |
765 | } |
612 | |
766 | |
613 | static void |
767 | static void |
614 | sigcb (EV_P_ struct ev_io *iow, int revents) |
768 | sigcb (EV_P_ ev_io *iow, int revents) |
615 | { |
769 | { |
616 | int signum; |
770 | int signum; |
617 | |
771 | |
618 | #ifdef WIN32 |
|
|
619 | recv (sigpipe [0], &revents, 1, MSG_DONTWAIT); |
|
|
620 | #else |
|
|
621 | read (sigpipe [0], &revents, 1); |
772 | read (sigpipe [0], &revents, 1); |
622 | #endif |
|
|
623 | gotsig = 0; |
773 | gotsig = 0; |
624 | |
774 | |
625 | for (signum = signalmax; signum--; ) |
775 | for (signum = signalmax; signum--; ) |
626 | if (signals [signum].gotsig) |
776 | if (signals [signum].gotsig) |
627 | ev_feed_signal_event (EV_A_ signum + 1); |
777 | ev_feed_signal_event (EV_A_ signum + 1); |
628 | } |
778 | } |
629 | |
779 | |
630 | static void |
780 | void inline_speed |
|
|
781 | fd_intern (int fd) |
|
|
782 | { |
|
|
783 | #ifdef _WIN32 |
|
|
784 | int arg = 1; |
|
|
785 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
|
|
786 | #else |
|
|
787 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
|
|
788 | fcntl (fd, F_SETFL, O_NONBLOCK); |
|
|
789 | #endif |
|
|
790 | } |
|
|
791 | |
|
|
792 | static void noinline |
631 | siginit (EV_P) |
793 | siginit (EV_P) |
632 | { |
794 | { |
633 | #ifndef WIN32 |
795 | fd_intern (sigpipe [0]); |
634 | fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC); |
796 | fd_intern (sigpipe [1]); |
635 | fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC); |
|
|
636 | |
|
|
637 | /* rather than sort out wether we really need nb, set it */ |
|
|
638 | fcntl (sigpipe [0], F_SETFL, O_NONBLOCK); |
|
|
639 | fcntl (sigpipe [1], F_SETFL, O_NONBLOCK); |
|
|
640 | #endif |
|
|
641 | |
797 | |
642 | ev_io_set (&sigev, sigpipe [0], EV_READ); |
798 | ev_io_set (&sigev, sigpipe [0], EV_READ); |
643 | ev_io_start (EV_A_ &sigev); |
799 | ev_io_start (EV_A_ &sigev); |
644 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
800 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
645 | } |
801 | } |
646 | |
802 | |
647 | /*****************************************************************************/ |
803 | /*****************************************************************************/ |
648 | |
804 | |
649 | static struct ev_child *childs [PID_HASHSIZE]; |
805 | static WL childs [EV_PID_HASHSIZE]; |
650 | |
806 | |
651 | #ifndef WIN32 |
807 | #ifndef _WIN32 |
652 | |
808 | |
653 | static struct ev_signal childev; |
809 | static ev_signal childev; |
|
|
810 | |
|
|
811 | void inline_speed |
|
|
812 | child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status) |
|
|
813 | { |
|
|
814 | ev_child *w; |
|
|
815 | |
|
|
816 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
|
|
817 | if (w->pid == pid || !w->pid) |
|
|
818 | { |
|
|
819 | ev_set_priority (w, ev_priority (sw)); /* need to do it *now* */ |
|
|
820 | w->rpid = pid; |
|
|
821 | w->rstatus = status; |
|
|
822 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
|
|
823 | } |
|
|
824 | } |
654 | |
825 | |
655 | #ifndef WCONTINUED |
826 | #ifndef WCONTINUED |
656 | # define WCONTINUED 0 |
827 | # define WCONTINUED 0 |
657 | #endif |
828 | #endif |
658 | |
829 | |
659 | static void |
830 | static void |
660 | child_reap (EV_P_ struct ev_signal *sw, int chain, int pid, int status) |
|
|
661 | { |
|
|
662 | struct ev_child *w; |
|
|
663 | |
|
|
664 | for (w = (struct ev_child *)childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child *)((WL)w)->next) |
|
|
665 | if (w->pid == pid || !w->pid) |
|
|
666 | { |
|
|
667 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
|
|
668 | w->rpid = pid; |
|
|
669 | w->rstatus = status; |
|
|
670 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
|
|
671 | } |
|
|
672 | } |
|
|
673 | |
|
|
674 | static void |
|
|
675 | childcb (EV_P_ struct ev_signal *sw, int revents) |
831 | childcb (EV_P_ ev_signal *sw, int revents) |
676 | { |
832 | { |
677 | int pid, status; |
833 | int pid, status; |
678 | |
834 | |
|
|
835 | /* some systems define WCONTINUED but then fail to support it (linux 2.4) */ |
679 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
836 | if (0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
680 | { |
837 | if (!WCONTINUED |
|
|
838 | || errno != EINVAL |
|
|
839 | || 0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED))) |
|
|
840 | return; |
|
|
841 | |
681 | /* make sure we are called again until all childs have been reaped */ |
842 | /* make sure we are called again until all childs have been reaped */ |
|
|
843 | /* we need to do it this way so that the callback gets called before we continue */ |
682 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
844 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
683 | |
845 | |
684 | child_reap (EV_A_ sw, pid, pid, status); |
846 | child_reap (EV_A_ sw, pid, pid, status); |
|
|
847 | if (EV_PID_HASHSIZE > 1) |
685 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */ |
848 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
686 | } |
|
|
687 | } |
849 | } |
688 | |
850 | |
689 | #endif |
851 | #endif |
690 | |
852 | |
691 | /*****************************************************************************/ |
853 | /*****************************************************************************/ |
692 | |
854 | |
|
|
855 | #if EV_USE_PORT |
|
|
856 | # include "ev_port.c" |
|
|
857 | #endif |
693 | #if EV_USE_KQUEUE |
858 | #if EV_USE_KQUEUE |
694 | # include "ev_kqueue.c" |
859 | # include "ev_kqueue.c" |
695 | #endif |
860 | #endif |
696 | #if EV_USE_EPOLL |
861 | #if EV_USE_EPOLL |
697 | # include "ev_epoll.c" |
862 | # include "ev_epoll.c" |
… | |
… | |
714 | { |
879 | { |
715 | return EV_VERSION_MINOR; |
880 | return EV_VERSION_MINOR; |
716 | } |
881 | } |
717 | |
882 | |
718 | /* return true if we are running with elevated privileges and should ignore env variables */ |
883 | /* return true if we are running with elevated privileges and should ignore env variables */ |
719 | static int |
884 | int inline_size |
720 | enable_secure (void) |
885 | enable_secure (void) |
721 | { |
886 | { |
722 | #ifdef WIN32 |
887 | #ifdef _WIN32 |
723 | return 0; |
888 | return 0; |
724 | #else |
889 | #else |
725 | return getuid () != geteuid () |
890 | return getuid () != geteuid () |
726 | || getgid () != getegid (); |
891 | || getgid () != getegid (); |
727 | #endif |
892 | #endif |
728 | } |
893 | } |
729 | |
894 | |
730 | int |
895 | unsigned int |
731 | ev_method (EV_P) |
896 | ev_supported_backends (void) |
732 | { |
897 | { |
733 | return method; |
898 | unsigned int flags = 0; |
734 | } |
|
|
735 | |
899 | |
736 | static void |
900 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
737 | loop_init (EV_P_ int methods) |
901 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
|
|
902 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
|
|
903 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
|
|
904 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
|
|
905 | |
|
|
906 | return flags; |
|
|
907 | } |
|
|
908 | |
|
|
909 | unsigned int |
|
|
910 | ev_recommended_backends (void) |
738 | { |
911 | { |
739 | if (!method) |
912 | unsigned int flags = ev_supported_backends (); |
|
|
913 | |
|
|
914 | #ifndef __NetBSD__ |
|
|
915 | /* kqueue is borked on everything but netbsd apparently */ |
|
|
916 | /* it usually doesn't work correctly on anything but sockets and pipes */ |
|
|
917 | flags &= ~EVBACKEND_KQUEUE; |
|
|
918 | #endif |
|
|
919 | #ifdef __APPLE__ |
|
|
920 | // flags &= ~EVBACKEND_KQUEUE; for documentation |
|
|
921 | flags &= ~EVBACKEND_POLL; |
|
|
922 | #endif |
|
|
923 | |
|
|
924 | return flags; |
|
|
925 | } |
|
|
926 | |
|
|
927 | unsigned int |
|
|
928 | ev_embeddable_backends (void) |
|
|
929 | { |
|
|
930 | return EVBACKEND_EPOLL |
|
|
931 | | EVBACKEND_KQUEUE |
|
|
932 | | EVBACKEND_PORT; |
|
|
933 | } |
|
|
934 | |
|
|
935 | unsigned int |
|
|
936 | ev_backend (EV_P) |
|
|
937 | { |
|
|
938 | return backend; |
|
|
939 | } |
|
|
940 | |
|
|
941 | unsigned int |
|
|
942 | ev_loop_count (EV_P) |
|
|
943 | { |
|
|
944 | return loop_count; |
|
|
945 | } |
|
|
946 | |
|
|
947 | static void noinline |
|
|
948 | loop_init (EV_P_ unsigned int flags) |
|
|
949 | { |
|
|
950 | if (!backend) |
740 | { |
951 | { |
741 | #if EV_USE_MONOTONIC |
952 | #if EV_USE_MONOTONIC |
742 | { |
953 | { |
743 | struct timespec ts; |
954 | struct timespec ts; |
744 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
955 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
… | |
… | |
749 | ev_rt_now = ev_time (); |
960 | ev_rt_now = ev_time (); |
750 | mn_now = get_clock (); |
961 | mn_now = get_clock (); |
751 | now_floor = mn_now; |
962 | now_floor = mn_now; |
752 | rtmn_diff = ev_rt_now - mn_now; |
963 | rtmn_diff = ev_rt_now - mn_now; |
753 | |
964 | |
754 | if (methods == EVMETHOD_AUTO) |
965 | /* pid check not overridable via env */ |
755 | if (!enable_secure () && getenv ("LIBEV_METHODS")) |
966 | #ifndef _WIN32 |
|
|
967 | if (flags & EVFLAG_FORKCHECK) |
|
|
968 | curpid = getpid (); |
|
|
969 | #endif |
|
|
970 | |
|
|
971 | if (!(flags & EVFLAG_NOENV) |
|
|
972 | && !enable_secure () |
|
|
973 | && getenv ("LIBEV_FLAGS")) |
756 | methods = atoi (getenv ("LIBEV_METHODS")); |
974 | flags = atoi (getenv ("LIBEV_FLAGS")); |
757 | else |
|
|
758 | methods = EVMETHOD_ANY; |
|
|
759 | |
975 | |
760 | method = 0; |
976 | if (!(flags & 0x0000ffffUL)) |
|
|
977 | flags |= ev_recommended_backends (); |
|
|
978 | |
|
|
979 | backend = 0; |
|
|
980 | backend_fd = -1; |
761 | #if EV_USE_WIN32 |
981 | #if EV_USE_INOTIFY |
762 | if (!method && (methods & EVMETHOD_WIN32 )) method = win32_init (EV_A_ methods); |
982 | fs_fd = -2; |
|
|
983 | #endif |
|
|
984 | |
|
|
985 | #if EV_USE_PORT |
|
|
986 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
763 | #endif |
987 | #endif |
764 | #if EV_USE_KQUEUE |
988 | #if EV_USE_KQUEUE |
765 | if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods); |
989 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
766 | #endif |
990 | #endif |
767 | #if EV_USE_EPOLL |
991 | #if EV_USE_EPOLL |
768 | if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods); |
992 | if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); |
769 | #endif |
993 | #endif |
770 | #if EV_USE_POLL |
994 | #if EV_USE_POLL |
771 | if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods); |
995 | if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); |
772 | #endif |
996 | #endif |
773 | #if EV_USE_SELECT |
997 | #if EV_USE_SELECT |
774 | if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods); |
998 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
775 | #endif |
999 | #endif |
776 | |
1000 | |
777 | ev_init (&sigev, sigcb); |
1001 | ev_init (&sigev, sigcb); |
778 | ev_set_priority (&sigev, EV_MAXPRI); |
1002 | ev_set_priority (&sigev, EV_MAXPRI); |
779 | } |
1003 | } |
780 | } |
1004 | } |
781 | |
1005 | |
782 | void |
1006 | static void noinline |
783 | loop_destroy (EV_P) |
1007 | loop_destroy (EV_P) |
784 | { |
1008 | { |
785 | int i; |
1009 | int i; |
786 | |
1010 | |
787 | #if EV_USE_WIN32 |
1011 | #if EV_USE_INOTIFY |
788 | if (method == EVMETHOD_WIN32 ) win32_destroy (EV_A); |
1012 | if (fs_fd >= 0) |
|
|
1013 | close (fs_fd); |
|
|
1014 | #endif |
|
|
1015 | |
|
|
1016 | if (backend_fd >= 0) |
|
|
1017 | close (backend_fd); |
|
|
1018 | |
|
|
1019 | #if EV_USE_PORT |
|
|
1020 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
789 | #endif |
1021 | #endif |
790 | #if EV_USE_KQUEUE |
1022 | #if EV_USE_KQUEUE |
791 | if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A); |
1023 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
792 | #endif |
1024 | #endif |
793 | #if EV_USE_EPOLL |
1025 | #if EV_USE_EPOLL |
794 | if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A); |
1026 | if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); |
795 | #endif |
1027 | #endif |
796 | #if EV_USE_POLL |
1028 | #if EV_USE_POLL |
797 | if (method == EVMETHOD_POLL ) poll_destroy (EV_A); |
1029 | if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); |
798 | #endif |
1030 | #endif |
799 | #if EV_USE_SELECT |
1031 | #if EV_USE_SELECT |
800 | if (method == EVMETHOD_SELECT) select_destroy (EV_A); |
1032 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
801 | #endif |
1033 | #endif |
802 | |
1034 | |
803 | for (i = NUMPRI; i--; ) |
1035 | for (i = NUMPRI; i--; ) |
|
|
1036 | { |
804 | array_free (pending, [i]); |
1037 | array_free (pending, [i]); |
|
|
1038 | #if EV_IDLE_ENABLE |
|
|
1039 | array_free (idle, [i]); |
|
|
1040 | #endif |
|
|
1041 | } |
805 | |
1042 | |
806 | /* have to use the microsoft-never-gets-it-right macro */ |
1043 | /* have to use the microsoft-never-gets-it-right macro */ |
807 | array_free_microshit (fdchange); |
1044 | array_free (fdchange, EMPTY); |
808 | array_free_microshit (timer); |
1045 | array_free (timer, EMPTY); |
809 | array_free_microshit (periodic); |
1046 | #if EV_PERIODIC_ENABLE |
810 | array_free_microshit (idle); |
1047 | array_free (periodic, EMPTY); |
811 | array_free_microshit (prepare); |
1048 | #endif |
812 | array_free_microshit (check); |
1049 | array_free (prepare, EMPTY); |
|
|
1050 | array_free (check, EMPTY); |
813 | |
1051 | |
814 | method = 0; |
1052 | backend = 0; |
815 | } |
1053 | } |
816 | |
1054 | |
817 | static void |
1055 | void inline_size infy_fork (EV_P); |
|
|
1056 | |
|
|
1057 | void inline_size |
818 | loop_fork (EV_P) |
1058 | loop_fork (EV_P) |
819 | { |
1059 | { |
|
|
1060 | #if EV_USE_PORT |
|
|
1061 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
|
|
1062 | #endif |
|
|
1063 | #if EV_USE_KQUEUE |
|
|
1064 | if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); |
|
|
1065 | #endif |
820 | #if EV_USE_EPOLL |
1066 | #if EV_USE_EPOLL |
821 | if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A); |
1067 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
822 | #endif |
1068 | #endif |
823 | #if EV_USE_KQUEUE |
1069 | #if EV_USE_INOTIFY |
824 | if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A); |
1070 | infy_fork (EV_A); |
825 | #endif |
1071 | #endif |
826 | |
1072 | |
827 | if (ev_is_active (&sigev)) |
1073 | if (ev_is_active (&sigev)) |
828 | { |
1074 | { |
829 | /* default loop */ |
1075 | /* default loop */ |
… | |
… | |
842 | postfork = 0; |
1088 | postfork = 0; |
843 | } |
1089 | } |
844 | |
1090 | |
845 | #if EV_MULTIPLICITY |
1091 | #if EV_MULTIPLICITY |
846 | struct ev_loop * |
1092 | struct ev_loop * |
847 | ev_loop_new (int methods) |
1093 | ev_loop_new (unsigned int flags) |
848 | { |
1094 | { |
849 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1095 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
850 | |
1096 | |
851 | memset (loop, 0, sizeof (struct ev_loop)); |
1097 | memset (loop, 0, sizeof (struct ev_loop)); |
852 | |
1098 | |
853 | loop_init (EV_A_ methods); |
1099 | loop_init (EV_A_ flags); |
854 | |
1100 | |
855 | if (ev_method (EV_A)) |
1101 | if (ev_backend (EV_A)) |
856 | return loop; |
1102 | return loop; |
857 | |
1103 | |
858 | return 0; |
1104 | return 0; |
859 | } |
1105 | } |
860 | |
1106 | |
… | |
… | |
873 | |
1119 | |
874 | #endif |
1120 | #endif |
875 | |
1121 | |
876 | #if EV_MULTIPLICITY |
1122 | #if EV_MULTIPLICITY |
877 | struct ev_loop * |
1123 | struct ev_loop * |
|
|
1124 | ev_default_loop_init (unsigned int flags) |
878 | #else |
1125 | #else |
879 | int |
1126 | int |
|
|
1127 | ev_default_loop (unsigned int flags) |
880 | #endif |
1128 | #endif |
881 | ev_default_loop (int methods) |
|
|
882 | { |
1129 | { |
883 | if (sigpipe [0] == sigpipe [1]) |
1130 | if (sigpipe [0] == sigpipe [1]) |
884 | if (pipe (sigpipe)) |
1131 | if (pipe (sigpipe)) |
885 | return 0; |
1132 | return 0; |
886 | |
1133 | |
887 | if (!default_loop) |
1134 | if (!ev_default_loop_ptr) |
888 | { |
1135 | { |
889 | #if EV_MULTIPLICITY |
1136 | #if EV_MULTIPLICITY |
890 | struct ev_loop *loop = default_loop = &default_loop_struct; |
1137 | struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; |
891 | #else |
1138 | #else |
892 | default_loop = 1; |
1139 | ev_default_loop_ptr = 1; |
893 | #endif |
1140 | #endif |
894 | |
1141 | |
895 | loop_init (EV_A_ methods); |
1142 | loop_init (EV_A_ flags); |
896 | |
1143 | |
897 | if (ev_method (EV_A)) |
1144 | if (ev_backend (EV_A)) |
898 | { |
1145 | { |
899 | siginit (EV_A); |
1146 | siginit (EV_A); |
900 | |
1147 | |
901 | #ifndef WIN32 |
1148 | #ifndef _WIN32 |
902 | ev_signal_init (&childev, childcb, SIGCHLD); |
1149 | ev_signal_init (&childev, childcb, SIGCHLD); |
903 | ev_set_priority (&childev, EV_MAXPRI); |
1150 | ev_set_priority (&childev, EV_MAXPRI); |
904 | ev_signal_start (EV_A_ &childev); |
1151 | ev_signal_start (EV_A_ &childev); |
905 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
1152 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
906 | #endif |
1153 | #endif |
907 | } |
1154 | } |
908 | else |
1155 | else |
909 | default_loop = 0; |
1156 | ev_default_loop_ptr = 0; |
910 | } |
1157 | } |
911 | |
1158 | |
912 | return default_loop; |
1159 | return ev_default_loop_ptr; |
913 | } |
1160 | } |
914 | |
1161 | |
915 | void |
1162 | void |
916 | ev_default_destroy (void) |
1163 | ev_default_destroy (void) |
917 | { |
1164 | { |
918 | #if EV_MULTIPLICITY |
1165 | #if EV_MULTIPLICITY |
919 | struct ev_loop *loop = default_loop; |
1166 | struct ev_loop *loop = ev_default_loop_ptr; |
920 | #endif |
1167 | #endif |
921 | |
1168 | |
922 | #ifndef WIN32 |
1169 | #ifndef _WIN32 |
923 | ev_ref (EV_A); /* child watcher */ |
1170 | ev_ref (EV_A); /* child watcher */ |
924 | ev_signal_stop (EV_A_ &childev); |
1171 | ev_signal_stop (EV_A_ &childev); |
925 | #endif |
1172 | #endif |
926 | |
1173 | |
927 | ev_ref (EV_A); /* signal watcher */ |
1174 | ev_ref (EV_A); /* signal watcher */ |
… | |
… | |
935 | |
1182 | |
936 | void |
1183 | void |
937 | ev_default_fork (void) |
1184 | ev_default_fork (void) |
938 | { |
1185 | { |
939 | #if EV_MULTIPLICITY |
1186 | #if EV_MULTIPLICITY |
940 | struct ev_loop *loop = default_loop; |
1187 | struct ev_loop *loop = ev_default_loop_ptr; |
941 | #endif |
1188 | #endif |
942 | |
1189 | |
943 | if (method) |
1190 | if (backend) |
944 | postfork = 1; |
1191 | postfork = 1; |
945 | } |
1192 | } |
946 | |
1193 | |
947 | /*****************************************************************************/ |
1194 | /*****************************************************************************/ |
948 | |
1195 | |
949 | static int |
1196 | void |
950 | any_pending (EV_P) |
1197 | ev_invoke (EV_P_ void *w, int revents) |
951 | { |
1198 | { |
952 | int pri; |
1199 | EV_CB_INVOKE ((W)w, revents); |
953 | |
|
|
954 | for (pri = NUMPRI; pri--; ) |
|
|
955 | if (pendingcnt [pri]) |
|
|
956 | return 1; |
|
|
957 | |
|
|
958 | return 0; |
|
|
959 | } |
1200 | } |
960 | |
1201 | |
961 | static void |
1202 | void inline_speed |
962 | call_pending (EV_P) |
1203 | call_pending (EV_P) |
963 | { |
1204 | { |
964 | int pri; |
1205 | int pri; |
965 | |
1206 | |
966 | for (pri = NUMPRI; pri--; ) |
1207 | for (pri = NUMPRI; pri--; ) |
967 | while (pendingcnt [pri]) |
1208 | while (pendingcnt [pri]) |
968 | { |
1209 | { |
969 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1210 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
970 | |
1211 | |
971 | if (p->w) |
1212 | if (expect_true (p->w)) |
972 | { |
1213 | { |
|
|
1214 | /*assert (("non-pending watcher on pending list", p->w->pending));*/ |
|
|
1215 | |
973 | p->w->pending = 0; |
1216 | p->w->pending = 0; |
974 | EV_CB_INVOKE (p->w, p->events); |
1217 | EV_CB_INVOKE (p->w, p->events); |
975 | } |
1218 | } |
976 | } |
1219 | } |
977 | } |
1220 | } |
978 | |
1221 | |
979 | static void |
1222 | void inline_size |
980 | timers_reify (EV_P) |
1223 | timers_reify (EV_P) |
981 | { |
1224 | { |
982 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1225 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
983 | { |
1226 | { |
984 | struct ev_timer *w = timers [0]; |
1227 | ev_timer *w = (ev_timer *)timers [0]; |
985 | |
1228 | |
986 | assert (("inactive timer on timer heap detected", ev_is_active (w))); |
1229 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
987 | |
1230 | |
988 | /* first reschedule or stop timer */ |
1231 | /* first reschedule or stop timer */ |
989 | if (w->repeat) |
1232 | if (w->repeat) |
990 | { |
1233 | { |
991 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
1234 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
992 | |
1235 | |
993 | ((WT)w)->at += w->repeat; |
1236 | ((WT)w)->at += w->repeat; |
994 | if (((WT)w)->at < mn_now) |
1237 | if (((WT)w)->at < mn_now) |
995 | ((WT)w)->at = mn_now; |
1238 | ((WT)w)->at = mn_now; |
996 | |
1239 | |
997 | downheap ((WT *)timers, timercnt, 0); |
1240 | downheap (timers, timercnt, 0); |
998 | } |
1241 | } |
999 | else |
1242 | else |
1000 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1243 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1001 | |
1244 | |
1002 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1245 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1003 | } |
1246 | } |
1004 | } |
1247 | } |
1005 | |
1248 | |
1006 | static void |
1249 | #if EV_PERIODIC_ENABLE |
|
|
1250 | void inline_size |
1007 | periodics_reify (EV_P) |
1251 | periodics_reify (EV_P) |
1008 | { |
1252 | { |
1009 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1253 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
1010 | { |
1254 | { |
1011 | struct ev_periodic *w = periodics [0]; |
1255 | ev_periodic *w = (ev_periodic *)periodics [0]; |
1012 | |
1256 | |
1013 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
1257 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
1014 | |
1258 | |
1015 | /* first reschedule or stop timer */ |
1259 | /* first reschedule or stop timer */ |
1016 | if (w->reschedule_cb) |
1260 | if (w->reschedule_cb) |
1017 | { |
1261 | { |
1018 | ev_tstamp at = ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); |
1262 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + TIME_EPSILON); |
1019 | |
|
|
1020 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
1263 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
1021 | downheap ((WT *)periodics, periodiccnt, 0); |
1264 | downheap (periodics, periodiccnt, 0); |
1022 | } |
1265 | } |
1023 | else if (w->interval) |
1266 | else if (w->interval) |
1024 | { |
1267 | { |
1025 | ((WT)w)->at += floor ((ev_rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval; |
1268 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
|
|
1269 | if (((WT)w)->at - ev_rt_now <= TIME_EPSILON) ((WT)w)->at += w->interval; |
1026 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
1270 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
1027 | downheap ((WT *)periodics, periodiccnt, 0); |
1271 | downheap (periodics, periodiccnt, 0); |
1028 | } |
1272 | } |
1029 | else |
1273 | else |
1030 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1274 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1031 | |
1275 | |
1032 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
1276 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
1033 | } |
1277 | } |
1034 | } |
1278 | } |
1035 | |
1279 | |
1036 | static void |
1280 | static void noinline |
1037 | periodics_reschedule (EV_P) |
1281 | periodics_reschedule (EV_P) |
1038 | { |
1282 | { |
1039 | int i; |
1283 | int i; |
1040 | |
1284 | |
1041 | /* adjust periodics after time jump */ |
1285 | /* adjust periodics after time jump */ |
1042 | for (i = 0; i < periodiccnt; ++i) |
1286 | for (i = 0; i < periodiccnt; ++i) |
1043 | { |
1287 | { |
1044 | struct ev_periodic *w = periodics [i]; |
1288 | ev_periodic *w = (ev_periodic *)periodics [i]; |
1045 | |
1289 | |
1046 | if (w->reschedule_cb) |
1290 | if (w->reschedule_cb) |
1047 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1291 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1048 | else if (w->interval) |
1292 | else if (w->interval) |
1049 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1293 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1050 | } |
1294 | } |
1051 | |
1295 | |
1052 | /* now rebuild the heap */ |
1296 | /* now rebuild the heap */ |
1053 | for (i = periodiccnt >> 1; i--; ) |
1297 | for (i = periodiccnt >> 1; i--; ) |
1054 | downheap ((WT *)periodics, periodiccnt, i); |
1298 | downheap (periodics, periodiccnt, i); |
1055 | } |
1299 | } |
|
|
1300 | #endif |
1056 | |
1301 | |
1057 | inline int |
1302 | #if EV_IDLE_ENABLE |
1058 | time_update_monotonic (EV_P) |
1303 | void inline_size |
|
|
1304 | idle_reify (EV_P) |
1059 | { |
1305 | { |
|
|
1306 | if (expect_false (idleall)) |
|
|
1307 | { |
|
|
1308 | int pri; |
|
|
1309 | |
|
|
1310 | for (pri = NUMPRI; pri--; ) |
|
|
1311 | { |
|
|
1312 | if (pendingcnt [pri]) |
|
|
1313 | break; |
|
|
1314 | |
|
|
1315 | if (idlecnt [pri]) |
|
|
1316 | { |
|
|
1317 | queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE); |
|
|
1318 | break; |
|
|
1319 | } |
|
|
1320 | } |
|
|
1321 | } |
|
|
1322 | } |
|
|
1323 | #endif |
|
|
1324 | |
|
|
1325 | void inline_speed |
|
|
1326 | time_update (EV_P_ ev_tstamp max_block) |
|
|
1327 | { |
|
|
1328 | int i; |
|
|
1329 | |
|
|
1330 | #if EV_USE_MONOTONIC |
|
|
1331 | if (expect_true (have_monotonic)) |
|
|
1332 | { |
|
|
1333 | ev_tstamp odiff = rtmn_diff; |
|
|
1334 | |
1060 | mn_now = get_clock (); |
1335 | mn_now = get_clock (); |
1061 | |
1336 | |
|
|
1337 | /* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */ |
|
|
1338 | /* interpolate in the meantime */ |
1062 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1339 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1063 | { |
1340 | { |
1064 | ev_rt_now = rtmn_diff + mn_now; |
1341 | ev_rt_now = rtmn_diff + mn_now; |
1065 | return 0; |
1342 | return; |
1066 | } |
1343 | } |
1067 | else |
1344 | |
1068 | { |
|
|
1069 | now_floor = mn_now; |
1345 | now_floor = mn_now; |
1070 | ev_rt_now = ev_time (); |
1346 | ev_rt_now = ev_time (); |
1071 | return 1; |
|
|
1072 | } |
|
|
1073 | } |
|
|
1074 | |
1347 | |
1075 | static void |
1348 | /* loop a few times, before making important decisions. |
1076 | time_update (EV_P) |
1349 | * on the choice of "4": one iteration isn't enough, |
1077 | { |
1350 | * in case we get preempted during the calls to |
1078 | int i; |
1351 | * ev_time and get_clock. a second call is almost guaranteed |
1079 | |
1352 | * to succeed in that case, though. and looping a few more times |
1080 | #if EV_USE_MONOTONIC |
1353 | * doesn't hurt either as we only do this on time-jumps or |
1081 | if (expect_true (have_monotonic)) |
1354 | * in the unlikely event of having been preempted here. |
1082 | { |
1355 | */ |
1083 | if (time_update_monotonic (EV_A)) |
1356 | for (i = 4; --i; ) |
1084 | { |
1357 | { |
1085 | ev_tstamp odiff = rtmn_diff; |
|
|
1086 | |
|
|
1087 | for (i = 4; --i; ) /* loop a few times, before making important decisions */ |
|
|
1088 | { |
|
|
1089 | rtmn_diff = ev_rt_now - mn_now; |
1358 | rtmn_diff = ev_rt_now - mn_now; |
1090 | |
1359 | |
1091 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1360 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1092 | return; /* all is well */ |
1361 | return; /* all is well */ |
1093 | |
1362 | |
1094 | ev_rt_now = ev_time (); |
1363 | ev_rt_now = ev_time (); |
1095 | mn_now = get_clock (); |
1364 | mn_now = get_clock (); |
1096 | now_floor = mn_now; |
1365 | now_floor = mn_now; |
1097 | } |
1366 | } |
1098 | |
1367 | |
|
|
1368 | # if EV_PERIODIC_ENABLE |
|
|
1369 | periodics_reschedule (EV_A); |
|
|
1370 | # endif |
|
|
1371 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
|
|
1372 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
|
|
1373 | } |
|
|
1374 | else |
|
|
1375 | #endif |
|
|
1376 | { |
|
|
1377 | ev_rt_now = ev_time (); |
|
|
1378 | |
|
|
1379 | if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP)) |
|
|
1380 | { |
|
|
1381 | #if EV_PERIODIC_ENABLE |
1099 | periodics_reschedule (EV_A); |
1382 | periodics_reschedule (EV_A); |
1100 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
|
|
1101 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
|
|
1102 | } |
|
|
1103 | } |
|
|
1104 | else |
|
|
1105 | #endif |
1383 | #endif |
1106 | { |
|
|
1107 | ev_rt_now = ev_time (); |
|
|
1108 | |
|
|
1109 | if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
|
|
1110 | { |
|
|
1111 | periodics_reschedule (EV_A); |
|
|
1112 | |
|
|
1113 | /* adjust timers. this is easy, as the offset is the same for all */ |
1384 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1114 | for (i = 0; i < timercnt; ++i) |
1385 | for (i = 0; i < timercnt; ++i) |
1115 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1386 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1116 | } |
1387 | } |
1117 | |
1388 | |
1118 | mn_now = ev_rt_now; |
1389 | mn_now = ev_rt_now; |
… | |
… | |
1134 | static int loop_done; |
1405 | static int loop_done; |
1135 | |
1406 | |
1136 | void |
1407 | void |
1137 | ev_loop (EV_P_ int flags) |
1408 | ev_loop (EV_P_ int flags) |
1138 | { |
1409 | { |
1139 | double block; |
|
|
1140 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) ? 1 : 0; |
1410 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) |
|
|
1411 | ? EVUNLOOP_ONE |
|
|
1412 | : EVUNLOOP_CANCEL; |
|
|
1413 | |
|
|
1414 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
1141 | |
1415 | |
1142 | do |
1416 | do |
1143 | { |
1417 | { |
|
|
1418 | #ifndef _WIN32 |
|
|
1419 | if (expect_false (curpid)) /* penalise the forking check even more */ |
|
|
1420 | if (expect_false (getpid () != curpid)) |
|
|
1421 | { |
|
|
1422 | curpid = getpid (); |
|
|
1423 | postfork = 1; |
|
|
1424 | } |
|
|
1425 | #endif |
|
|
1426 | |
|
|
1427 | #if EV_FORK_ENABLE |
|
|
1428 | /* we might have forked, so queue fork handlers */ |
|
|
1429 | if (expect_false (postfork)) |
|
|
1430 | if (forkcnt) |
|
|
1431 | { |
|
|
1432 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
|
|
1433 | call_pending (EV_A); |
|
|
1434 | } |
|
|
1435 | #endif |
|
|
1436 | |
1144 | /* queue check watchers (and execute them) */ |
1437 | /* queue prepare watchers (and execute them) */ |
1145 | if (expect_false (preparecnt)) |
1438 | if (expect_false (preparecnt)) |
1146 | { |
1439 | { |
1147 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1440 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1148 | call_pending (EV_A); |
1441 | call_pending (EV_A); |
1149 | } |
1442 | } |
1150 | |
1443 | |
|
|
1444 | if (expect_false (!activecnt)) |
|
|
1445 | break; |
|
|
1446 | |
1151 | /* we might have forked, so reify kernel state if necessary */ |
1447 | /* we might have forked, so reify kernel state if necessary */ |
1152 | if (expect_false (postfork)) |
1448 | if (expect_false (postfork)) |
1153 | loop_fork (EV_A); |
1449 | loop_fork (EV_A); |
1154 | |
1450 | |
1155 | /* update fd-related kernel structures */ |
1451 | /* update fd-related kernel structures */ |
1156 | fd_reify (EV_A); |
1452 | fd_reify (EV_A); |
1157 | |
1453 | |
1158 | /* calculate blocking time */ |
1454 | /* calculate blocking time */ |
|
|
1455 | { |
|
|
1456 | ev_tstamp block; |
1159 | |
1457 | |
1160 | /* we only need this for !monotonic clock or timers, but as we basically |
1458 | if (expect_false (flags & EVLOOP_NONBLOCK || idleall || !activecnt)) |
1161 | always have timers, we just calculate it always */ |
1459 | block = 0.; /* do not block at all */ |
1162 | #if EV_USE_MONOTONIC |
|
|
1163 | if (expect_true (have_monotonic)) |
|
|
1164 | time_update_monotonic (EV_A); |
|
|
1165 | else |
1460 | else |
1166 | #endif |
|
|
1167 | { |
1461 | { |
1168 | ev_rt_now = ev_time (); |
1462 | /* update time to cancel out callback processing overhead */ |
1169 | mn_now = ev_rt_now; |
1463 | time_update (EV_A_ 1e100); |
1170 | } |
|
|
1171 | |
1464 | |
1172 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
|
|
1173 | block = 0.; |
|
|
1174 | else |
|
|
1175 | { |
|
|
1176 | block = MAX_BLOCKTIME; |
1465 | block = MAX_BLOCKTIME; |
1177 | |
1466 | |
1178 | if (timercnt) |
1467 | if (timercnt) |
1179 | { |
1468 | { |
1180 | ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge; |
1469 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
1181 | if (block > to) block = to; |
1470 | if (block > to) block = to; |
1182 | } |
1471 | } |
1183 | |
1472 | |
|
|
1473 | #if EV_PERIODIC_ENABLE |
1184 | if (periodiccnt) |
1474 | if (periodiccnt) |
1185 | { |
1475 | { |
1186 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge; |
1476 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
1187 | if (block > to) block = to; |
1477 | if (block > to) block = to; |
1188 | } |
1478 | } |
|
|
1479 | #endif |
1189 | |
1480 | |
1190 | if (block < 0.) block = 0.; |
1481 | if (expect_false (block < 0.)) block = 0.; |
1191 | } |
1482 | } |
1192 | |
1483 | |
|
|
1484 | ++loop_count; |
1193 | method_poll (EV_A_ block); |
1485 | backend_poll (EV_A_ block); |
1194 | |
1486 | |
1195 | /* update ev_rt_now, do magic */ |
1487 | /* update ev_rt_now, do magic */ |
1196 | time_update (EV_A); |
1488 | time_update (EV_A_ block); |
|
|
1489 | } |
1197 | |
1490 | |
1198 | /* queue pending timers and reschedule them */ |
1491 | /* queue pending timers and reschedule them */ |
1199 | timers_reify (EV_A); /* relative timers called last */ |
1492 | timers_reify (EV_A); /* relative timers called last */ |
|
|
1493 | #if EV_PERIODIC_ENABLE |
1200 | periodics_reify (EV_A); /* absolute timers called first */ |
1494 | periodics_reify (EV_A); /* absolute timers called first */ |
|
|
1495 | #endif |
1201 | |
1496 | |
|
|
1497 | #if EV_IDLE_ENABLE |
1202 | /* queue idle watchers unless io or timers are pending */ |
1498 | /* queue idle watchers unless other events are pending */ |
1203 | if (idlecnt && !any_pending (EV_A)) |
1499 | idle_reify (EV_A); |
1204 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1500 | #endif |
1205 | |
1501 | |
1206 | /* queue check watchers, to be executed first */ |
1502 | /* queue check watchers, to be executed first */ |
1207 | if (checkcnt) |
1503 | if (expect_false (checkcnt)) |
1208 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1504 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1209 | |
1505 | |
1210 | call_pending (EV_A); |
1506 | call_pending (EV_A); |
|
|
1507 | |
1211 | } |
1508 | } |
1212 | while (activecnt && !loop_done); |
1509 | while (expect_true (activecnt && !loop_done)); |
1213 | |
1510 | |
1214 | if (loop_done != 2) |
1511 | if (loop_done == EVUNLOOP_ONE) |
1215 | loop_done = 0; |
1512 | loop_done = EVUNLOOP_CANCEL; |
1216 | } |
1513 | } |
1217 | |
1514 | |
1218 | void |
1515 | void |
1219 | ev_unloop (EV_P_ int how) |
1516 | ev_unloop (EV_P_ int how) |
1220 | { |
1517 | { |
1221 | loop_done = how; |
1518 | loop_done = how; |
1222 | } |
1519 | } |
1223 | |
1520 | |
1224 | /*****************************************************************************/ |
1521 | /*****************************************************************************/ |
1225 | |
1522 | |
1226 | inline void |
1523 | void inline_size |
1227 | wlist_add (WL *head, WL elem) |
1524 | wlist_add (WL *head, WL elem) |
1228 | { |
1525 | { |
1229 | elem->next = *head; |
1526 | elem->next = *head; |
1230 | *head = elem; |
1527 | *head = elem; |
1231 | } |
1528 | } |
1232 | |
1529 | |
1233 | inline void |
1530 | void inline_size |
1234 | wlist_del (WL *head, WL elem) |
1531 | wlist_del (WL *head, WL elem) |
1235 | { |
1532 | { |
1236 | while (*head) |
1533 | while (*head) |
1237 | { |
1534 | { |
1238 | if (*head == elem) |
1535 | if (*head == elem) |
… | |
… | |
1243 | |
1540 | |
1244 | head = &(*head)->next; |
1541 | head = &(*head)->next; |
1245 | } |
1542 | } |
1246 | } |
1543 | } |
1247 | |
1544 | |
1248 | inline void |
1545 | void inline_speed |
1249 | ev_clear_pending (EV_P_ W w) |
1546 | clear_pending (EV_P_ W w) |
1250 | { |
1547 | { |
1251 | if (w->pending) |
1548 | if (w->pending) |
1252 | { |
1549 | { |
1253 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
1550 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
1254 | w->pending = 0; |
1551 | w->pending = 0; |
1255 | } |
1552 | } |
1256 | } |
1553 | } |
1257 | |
1554 | |
1258 | inline void |
1555 | int |
|
|
1556 | ev_clear_pending (EV_P_ void *w) |
|
|
1557 | { |
|
|
1558 | W w_ = (W)w; |
|
|
1559 | int pending = w_->pending; |
|
|
1560 | |
|
|
1561 | if (expect_true (pending)) |
|
|
1562 | { |
|
|
1563 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
|
|
1564 | w_->pending = 0; |
|
|
1565 | p->w = 0; |
|
|
1566 | return p->events; |
|
|
1567 | } |
|
|
1568 | else |
|
|
1569 | return 0; |
|
|
1570 | } |
|
|
1571 | |
|
|
1572 | void inline_size |
|
|
1573 | pri_adjust (EV_P_ W w) |
|
|
1574 | { |
|
|
1575 | int pri = w->priority; |
|
|
1576 | pri = pri < EV_MINPRI ? EV_MINPRI : pri; |
|
|
1577 | pri = pri > EV_MAXPRI ? EV_MAXPRI : pri; |
|
|
1578 | w->priority = pri; |
|
|
1579 | } |
|
|
1580 | |
|
|
1581 | void inline_speed |
1259 | ev_start (EV_P_ W w, int active) |
1582 | ev_start (EV_P_ W w, int active) |
1260 | { |
1583 | { |
1261 | if (w->priority < EV_MINPRI) w->priority = EV_MINPRI; |
1584 | pri_adjust (EV_A_ w); |
1262 | if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI; |
|
|
1263 | |
|
|
1264 | w->active = active; |
1585 | w->active = active; |
1265 | ev_ref (EV_A); |
1586 | ev_ref (EV_A); |
1266 | } |
1587 | } |
1267 | |
1588 | |
1268 | inline void |
1589 | void inline_size |
1269 | ev_stop (EV_P_ W w) |
1590 | ev_stop (EV_P_ W w) |
1270 | { |
1591 | { |
1271 | ev_unref (EV_A); |
1592 | ev_unref (EV_A); |
1272 | w->active = 0; |
1593 | w->active = 0; |
1273 | } |
1594 | } |
1274 | |
1595 | |
1275 | /*****************************************************************************/ |
1596 | /*****************************************************************************/ |
1276 | |
1597 | |
1277 | void |
1598 | void noinline |
1278 | ev_io_start (EV_P_ struct ev_io *w) |
1599 | ev_io_start (EV_P_ ev_io *w) |
1279 | { |
1600 | { |
1280 | int fd = w->fd; |
1601 | int fd = w->fd; |
1281 | |
1602 | |
1282 | if (ev_is_active (w)) |
1603 | if (expect_false (ev_is_active (w))) |
1283 | return; |
1604 | return; |
1284 | |
1605 | |
1285 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1606 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1286 | |
1607 | |
1287 | ev_start (EV_A_ (W)w, 1); |
1608 | ev_start (EV_A_ (W)w, 1); |
1288 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
1609 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
1289 | wlist_add ((WL *)&anfds[fd].head, (WL)w); |
1610 | wlist_add (&anfds[fd].head, (WL)w); |
1290 | |
1611 | |
1291 | fd_change (EV_A_ fd); |
1612 | fd_change (EV_A_ fd, w->events & EV_IOFDSET | 1); |
|
|
1613 | w->events &= ~EV_IOFDSET; |
1292 | } |
1614 | } |
1293 | |
1615 | |
1294 | void |
1616 | void noinline |
1295 | ev_io_stop (EV_P_ struct ev_io *w) |
1617 | ev_io_stop (EV_P_ ev_io *w) |
1296 | { |
1618 | { |
1297 | ev_clear_pending (EV_A_ (W)w); |
1619 | clear_pending (EV_A_ (W)w); |
1298 | if (!ev_is_active (w)) |
1620 | if (expect_false (!ev_is_active (w))) |
1299 | return; |
1621 | return; |
1300 | |
1622 | |
1301 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1623 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1302 | |
1624 | |
1303 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
1625 | wlist_del (&anfds[w->fd].head, (WL)w); |
1304 | ev_stop (EV_A_ (W)w); |
1626 | ev_stop (EV_A_ (W)w); |
1305 | |
1627 | |
1306 | fd_change (EV_A_ w->fd); |
1628 | fd_change (EV_A_ w->fd, 1); |
1307 | } |
1629 | } |
1308 | |
1630 | |
1309 | void |
1631 | void noinline |
1310 | ev_timer_start (EV_P_ struct ev_timer *w) |
1632 | ev_timer_start (EV_P_ ev_timer *w) |
|
|
1633 | { |
|
|
1634 | if (expect_false (ev_is_active (w))) |
|
|
1635 | return; |
|
|
1636 | |
|
|
1637 | ((WT)w)->at += mn_now; |
|
|
1638 | |
|
|
1639 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
|
|
1640 | |
|
|
1641 | ev_start (EV_A_ (W)w, ++timercnt); |
|
|
1642 | array_needsize (WT, timers, timermax, timercnt, EMPTY2); |
|
|
1643 | timers [timercnt - 1] = (WT)w; |
|
|
1644 | upheap (timers, timercnt - 1); |
|
|
1645 | |
|
|
1646 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
|
|
1647 | } |
|
|
1648 | |
|
|
1649 | void noinline |
|
|
1650 | ev_timer_stop (EV_P_ ev_timer *w) |
|
|
1651 | { |
|
|
1652 | clear_pending (EV_A_ (W)w); |
|
|
1653 | if (expect_false (!ev_is_active (w))) |
|
|
1654 | return; |
|
|
1655 | |
|
|
1656 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == (WT)w)); |
|
|
1657 | |
|
|
1658 | { |
|
|
1659 | int active = ((W)w)->active; |
|
|
1660 | |
|
|
1661 | if (expect_true (--active < --timercnt)) |
|
|
1662 | { |
|
|
1663 | timers [active] = timers [timercnt]; |
|
|
1664 | adjustheap (timers, timercnt, active); |
|
|
1665 | } |
|
|
1666 | } |
|
|
1667 | |
|
|
1668 | ((WT)w)->at -= mn_now; |
|
|
1669 | |
|
|
1670 | ev_stop (EV_A_ (W)w); |
|
|
1671 | } |
|
|
1672 | |
|
|
1673 | void noinline |
|
|
1674 | ev_timer_again (EV_P_ ev_timer *w) |
1311 | { |
1675 | { |
1312 | if (ev_is_active (w)) |
1676 | if (ev_is_active (w)) |
1313 | return; |
|
|
1314 | |
|
|
1315 | ((WT)w)->at += mn_now; |
|
|
1316 | |
|
|
1317 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
|
|
1318 | |
|
|
1319 | ev_start (EV_A_ (W)w, ++timercnt); |
|
|
1320 | array_needsize (struct ev_timer *, timers, timermax, timercnt, (void)); |
|
|
1321 | timers [timercnt - 1] = w; |
|
|
1322 | upheap ((WT *)timers, timercnt - 1); |
|
|
1323 | |
|
|
1324 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
|
|
1325 | } |
|
|
1326 | |
|
|
1327 | void |
|
|
1328 | ev_timer_stop (EV_P_ struct ev_timer *w) |
|
|
1329 | { |
|
|
1330 | ev_clear_pending (EV_A_ (W)w); |
|
|
1331 | if (!ev_is_active (w)) |
|
|
1332 | return; |
|
|
1333 | |
|
|
1334 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
|
|
1335 | |
|
|
1336 | if (((W)w)->active < timercnt--) |
|
|
1337 | { |
|
|
1338 | timers [((W)w)->active - 1] = timers [timercnt]; |
|
|
1339 | downheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
|
|
1340 | } |
|
|
1341 | |
|
|
1342 | ((WT)w)->at = w->repeat; |
|
|
1343 | |
|
|
1344 | ev_stop (EV_A_ (W)w); |
|
|
1345 | } |
|
|
1346 | |
|
|
1347 | void |
|
|
1348 | ev_timer_again (EV_P_ struct ev_timer *w) |
|
|
1349 | { |
|
|
1350 | if (ev_is_active (w)) |
|
|
1351 | { |
1677 | { |
1352 | if (w->repeat) |
1678 | if (w->repeat) |
|
|
1679 | { |
|
|
1680 | ((WT)w)->at = mn_now + w->repeat; |
1353 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1, mn_now + w->repeat); |
1681 | adjustheap (timers, timercnt, ((W)w)->active - 1); |
|
|
1682 | } |
1354 | else |
1683 | else |
1355 | ev_timer_stop (EV_A_ w); |
1684 | ev_timer_stop (EV_A_ w); |
1356 | } |
1685 | } |
1357 | else if (w->repeat) |
1686 | else if (w->repeat) |
|
|
1687 | { |
|
|
1688 | w->at = w->repeat; |
1358 | ev_timer_start (EV_A_ w); |
1689 | ev_timer_start (EV_A_ w); |
|
|
1690 | } |
1359 | } |
1691 | } |
1360 | |
1692 | |
1361 | void |
1693 | #if EV_PERIODIC_ENABLE |
|
|
1694 | void noinline |
1362 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
1695 | ev_periodic_start (EV_P_ ev_periodic *w) |
1363 | { |
1696 | { |
1364 | if (ev_is_active (w)) |
1697 | if (expect_false (ev_is_active (w))) |
1365 | return; |
1698 | return; |
1366 | |
1699 | |
1367 | if (w->reschedule_cb) |
1700 | if (w->reschedule_cb) |
1368 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1701 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1369 | else if (w->interval) |
1702 | else if (w->interval) |
1370 | { |
1703 | { |
1371 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1704 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1372 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1705 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1373 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1706 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1374 | } |
1707 | } |
|
|
1708 | else |
|
|
1709 | ((WT)w)->at = w->offset; |
1375 | |
1710 | |
1376 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1711 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1377 | array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, (void)); |
1712 | array_needsize (WT, periodics, periodicmax, periodiccnt, EMPTY2); |
1378 | periodics [periodiccnt - 1] = w; |
1713 | periodics [periodiccnt - 1] = (WT)w; |
1379 | upheap ((WT *)periodics, periodiccnt - 1); |
1714 | upheap (periodics, periodiccnt - 1); |
1380 | |
1715 | |
1381 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1716 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
1382 | } |
1717 | } |
1383 | |
1718 | |
1384 | void |
1719 | void noinline |
1385 | ev_periodic_stop (EV_P_ struct ev_periodic *w) |
1720 | ev_periodic_stop (EV_P_ ev_periodic *w) |
1386 | { |
1721 | { |
1387 | ev_clear_pending (EV_A_ (W)w); |
1722 | clear_pending (EV_A_ (W)w); |
1388 | if (!ev_is_active (w)) |
1723 | if (expect_false (!ev_is_active (w))) |
1389 | return; |
1724 | return; |
1390 | |
1725 | |
1391 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1726 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == (WT)w)); |
1392 | |
1727 | |
1393 | if (((W)w)->active < periodiccnt--) |
1728 | { |
|
|
1729 | int active = ((W)w)->active; |
|
|
1730 | |
|
|
1731 | if (expect_true (--active < --periodiccnt)) |
1394 | { |
1732 | { |
1395 | periodics [((W)w)->active - 1] = periodics [periodiccnt]; |
1733 | periodics [active] = periodics [periodiccnt]; |
1396 | downheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); |
1734 | adjustheap (periodics, periodiccnt, active); |
1397 | } |
1735 | } |
|
|
1736 | } |
1398 | |
1737 | |
1399 | ev_stop (EV_A_ (W)w); |
1738 | ev_stop (EV_A_ (W)w); |
1400 | } |
1739 | } |
1401 | |
1740 | |
1402 | void |
1741 | void noinline |
1403 | ev_periodic_again (EV_P_ struct ev_periodic *w) |
1742 | ev_periodic_again (EV_P_ ev_periodic *w) |
1404 | { |
1743 | { |
1405 | /* TODO: use adjustheap and recalculation */ |
1744 | /* TODO: use adjustheap and recalculation */ |
1406 | ev_periodic_stop (EV_A_ w); |
1745 | ev_periodic_stop (EV_A_ w); |
1407 | ev_periodic_start (EV_A_ w); |
1746 | ev_periodic_start (EV_A_ w); |
1408 | } |
1747 | } |
1409 | |
1748 | #endif |
1410 | void |
|
|
1411 | ev_idle_start (EV_P_ struct ev_idle *w) |
|
|
1412 | { |
|
|
1413 | if (ev_is_active (w)) |
|
|
1414 | return; |
|
|
1415 | |
|
|
1416 | ev_start (EV_A_ (W)w, ++idlecnt); |
|
|
1417 | array_needsize (struct ev_idle *, idles, idlemax, idlecnt, (void)); |
|
|
1418 | idles [idlecnt - 1] = w; |
|
|
1419 | } |
|
|
1420 | |
|
|
1421 | void |
|
|
1422 | ev_idle_stop (EV_P_ struct ev_idle *w) |
|
|
1423 | { |
|
|
1424 | ev_clear_pending (EV_A_ (W)w); |
|
|
1425 | if (ev_is_active (w)) |
|
|
1426 | return; |
|
|
1427 | |
|
|
1428 | idles [((W)w)->active - 1] = idles [--idlecnt]; |
|
|
1429 | ev_stop (EV_A_ (W)w); |
|
|
1430 | } |
|
|
1431 | |
|
|
1432 | void |
|
|
1433 | ev_prepare_start (EV_P_ struct ev_prepare *w) |
|
|
1434 | { |
|
|
1435 | if (ev_is_active (w)) |
|
|
1436 | return; |
|
|
1437 | |
|
|
1438 | ev_start (EV_A_ (W)w, ++preparecnt); |
|
|
1439 | array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, (void)); |
|
|
1440 | prepares [preparecnt - 1] = w; |
|
|
1441 | } |
|
|
1442 | |
|
|
1443 | void |
|
|
1444 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
|
|
1445 | { |
|
|
1446 | ev_clear_pending (EV_A_ (W)w); |
|
|
1447 | if (ev_is_active (w)) |
|
|
1448 | return; |
|
|
1449 | |
|
|
1450 | prepares [((W)w)->active - 1] = prepares [--preparecnt]; |
|
|
1451 | ev_stop (EV_A_ (W)w); |
|
|
1452 | } |
|
|
1453 | |
|
|
1454 | void |
|
|
1455 | ev_check_start (EV_P_ struct ev_check *w) |
|
|
1456 | { |
|
|
1457 | if (ev_is_active (w)) |
|
|
1458 | return; |
|
|
1459 | |
|
|
1460 | ev_start (EV_A_ (W)w, ++checkcnt); |
|
|
1461 | array_needsize (struct ev_check *, checks, checkmax, checkcnt, (void)); |
|
|
1462 | checks [checkcnt - 1] = w; |
|
|
1463 | } |
|
|
1464 | |
|
|
1465 | void |
|
|
1466 | ev_check_stop (EV_P_ struct ev_check *w) |
|
|
1467 | { |
|
|
1468 | ev_clear_pending (EV_A_ (W)w); |
|
|
1469 | if (ev_is_active (w)) |
|
|
1470 | return; |
|
|
1471 | |
|
|
1472 | checks [((W)w)->active - 1] = checks [--checkcnt]; |
|
|
1473 | ev_stop (EV_A_ (W)w); |
|
|
1474 | } |
|
|
1475 | |
1749 | |
1476 | #ifndef SA_RESTART |
1750 | #ifndef SA_RESTART |
1477 | # define SA_RESTART 0 |
1751 | # define SA_RESTART 0 |
1478 | #endif |
1752 | #endif |
1479 | |
1753 | |
1480 | void |
1754 | void noinline |
1481 | ev_signal_start (EV_P_ struct ev_signal *w) |
1755 | ev_signal_start (EV_P_ ev_signal *w) |
1482 | { |
1756 | { |
1483 | #if EV_MULTIPLICITY |
1757 | #if EV_MULTIPLICITY |
1484 | assert (("signal watchers are only supported in the default loop", loop == default_loop)); |
1758 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1485 | #endif |
1759 | #endif |
1486 | if (ev_is_active (w)) |
1760 | if (expect_false (ev_is_active (w))) |
1487 | return; |
1761 | return; |
1488 | |
1762 | |
1489 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1763 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1490 | |
1764 | |
|
|
1765 | { |
|
|
1766 | #ifndef _WIN32 |
|
|
1767 | sigset_t full, prev; |
|
|
1768 | sigfillset (&full); |
|
|
1769 | sigprocmask (SIG_SETMASK, &full, &prev); |
|
|
1770 | #endif |
|
|
1771 | |
|
|
1772 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
|
|
1773 | |
|
|
1774 | #ifndef _WIN32 |
|
|
1775 | sigprocmask (SIG_SETMASK, &prev, 0); |
|
|
1776 | #endif |
|
|
1777 | } |
|
|
1778 | |
1491 | ev_start (EV_A_ (W)w, 1); |
1779 | ev_start (EV_A_ (W)w, 1); |
1492 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
|
|
1493 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1780 | wlist_add (&signals [w->signum - 1].head, (WL)w); |
1494 | |
1781 | |
1495 | if (!((WL)w)->next) |
1782 | if (!((WL)w)->next) |
1496 | { |
1783 | { |
1497 | #if WIN32 |
1784 | #if _WIN32 |
1498 | signal (w->signum, sighandler); |
1785 | signal (w->signum, sighandler); |
1499 | #else |
1786 | #else |
1500 | struct sigaction sa; |
1787 | struct sigaction sa; |
1501 | sa.sa_handler = sighandler; |
1788 | sa.sa_handler = sighandler; |
1502 | sigfillset (&sa.sa_mask); |
1789 | sigfillset (&sa.sa_mask); |
… | |
… | |
1504 | sigaction (w->signum, &sa, 0); |
1791 | sigaction (w->signum, &sa, 0); |
1505 | #endif |
1792 | #endif |
1506 | } |
1793 | } |
1507 | } |
1794 | } |
1508 | |
1795 | |
1509 | void |
1796 | void noinline |
1510 | ev_signal_stop (EV_P_ struct ev_signal *w) |
1797 | ev_signal_stop (EV_P_ ev_signal *w) |
1511 | { |
1798 | { |
1512 | ev_clear_pending (EV_A_ (W)w); |
1799 | clear_pending (EV_A_ (W)w); |
1513 | if (!ev_is_active (w)) |
1800 | if (expect_false (!ev_is_active (w))) |
1514 | return; |
1801 | return; |
1515 | |
1802 | |
1516 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
1803 | wlist_del (&signals [w->signum - 1].head, (WL)w); |
1517 | ev_stop (EV_A_ (W)w); |
1804 | ev_stop (EV_A_ (W)w); |
1518 | |
1805 | |
1519 | if (!signals [w->signum - 1].head) |
1806 | if (!signals [w->signum - 1].head) |
1520 | signal (w->signum, SIG_DFL); |
1807 | signal (w->signum, SIG_DFL); |
1521 | } |
1808 | } |
1522 | |
1809 | |
1523 | void |
1810 | void |
1524 | ev_child_start (EV_P_ struct ev_child *w) |
1811 | ev_child_start (EV_P_ ev_child *w) |
1525 | { |
1812 | { |
1526 | #if EV_MULTIPLICITY |
1813 | #if EV_MULTIPLICITY |
1527 | assert (("child watchers are only supported in the default loop", loop == default_loop)); |
1814 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1528 | #endif |
1815 | #endif |
1529 | if (ev_is_active (w)) |
1816 | if (expect_false (ev_is_active (w))) |
1530 | return; |
1817 | return; |
1531 | |
1818 | |
1532 | ev_start (EV_A_ (W)w, 1); |
1819 | ev_start (EV_A_ (W)w, 1); |
1533 | wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1820 | wlist_add (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1534 | } |
1821 | } |
1535 | |
1822 | |
1536 | void |
1823 | void |
1537 | ev_child_stop (EV_P_ struct ev_child *w) |
1824 | ev_child_stop (EV_P_ ev_child *w) |
1538 | { |
1825 | { |
1539 | ev_clear_pending (EV_A_ (W)w); |
1826 | clear_pending (EV_A_ (W)w); |
1540 | if (ev_is_active (w)) |
1827 | if (expect_false (!ev_is_active (w))) |
1541 | return; |
1828 | return; |
1542 | |
1829 | |
1543 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1830 | wlist_del (&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1544 | ev_stop (EV_A_ (W)w); |
1831 | ev_stop (EV_A_ (W)w); |
1545 | } |
1832 | } |
1546 | |
1833 | |
|
|
1834 | #if EV_STAT_ENABLE |
|
|
1835 | |
|
|
1836 | # ifdef _WIN32 |
|
|
1837 | # undef lstat |
|
|
1838 | # define lstat(a,b) _stati64 (a,b) |
|
|
1839 | # endif |
|
|
1840 | |
|
|
1841 | #define DEF_STAT_INTERVAL 5.0074891 |
|
|
1842 | #define MIN_STAT_INTERVAL 0.1074891 |
|
|
1843 | |
|
|
1844 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
|
|
1845 | |
|
|
1846 | #if EV_USE_INOTIFY |
|
|
1847 | # define EV_INOTIFY_BUFSIZE 8192 |
|
|
1848 | |
|
|
1849 | static void noinline |
|
|
1850 | infy_add (EV_P_ ev_stat *w) |
|
|
1851 | { |
|
|
1852 | 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); |
|
|
1853 | |
|
|
1854 | if (w->wd < 0) |
|
|
1855 | { |
|
|
1856 | ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
|
|
1857 | |
|
|
1858 | /* monitor some parent directory for speedup hints */ |
|
|
1859 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
|
|
1860 | { |
|
|
1861 | char path [4096]; |
|
|
1862 | strcpy (path, w->path); |
|
|
1863 | |
|
|
1864 | do |
|
|
1865 | { |
|
|
1866 | int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF |
|
|
1867 | | (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO); |
|
|
1868 | |
|
|
1869 | char *pend = strrchr (path, '/'); |
|
|
1870 | |
|
|
1871 | if (!pend) |
|
|
1872 | break; /* whoops, no '/', complain to your admin */ |
|
|
1873 | |
|
|
1874 | *pend = 0; |
|
|
1875 | w->wd = inotify_add_watch (fs_fd, path, mask); |
|
|
1876 | } |
|
|
1877 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
|
|
1878 | } |
|
|
1879 | } |
|
|
1880 | else |
|
|
1881 | ev_timer_stop (EV_A_ &w->timer); /* we can watch this in a race-free way */ |
|
|
1882 | |
|
|
1883 | if (w->wd >= 0) |
|
|
1884 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
|
|
1885 | } |
|
|
1886 | |
|
|
1887 | static void noinline |
|
|
1888 | infy_del (EV_P_ ev_stat *w) |
|
|
1889 | { |
|
|
1890 | int slot; |
|
|
1891 | int wd = w->wd; |
|
|
1892 | |
|
|
1893 | if (wd < 0) |
|
|
1894 | return; |
|
|
1895 | |
|
|
1896 | w->wd = -2; |
|
|
1897 | slot = wd & (EV_INOTIFY_HASHSIZE - 1); |
|
|
1898 | wlist_del (&fs_hash [slot].head, (WL)w); |
|
|
1899 | |
|
|
1900 | /* remove this watcher, if others are watching it, they will rearm */ |
|
|
1901 | inotify_rm_watch (fs_fd, wd); |
|
|
1902 | } |
|
|
1903 | |
|
|
1904 | static void noinline |
|
|
1905 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
|
|
1906 | { |
|
|
1907 | if (slot < 0) |
|
|
1908 | /* overflow, need to check for all hahs slots */ |
|
|
1909 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
|
|
1910 | infy_wd (EV_A_ slot, wd, ev); |
|
|
1911 | else |
|
|
1912 | { |
|
|
1913 | WL w_; |
|
|
1914 | |
|
|
1915 | for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; ) |
|
|
1916 | { |
|
|
1917 | ev_stat *w = (ev_stat *)w_; |
|
|
1918 | w_ = w_->next; /* lets us remove this watcher and all before it */ |
|
|
1919 | |
|
|
1920 | if (w->wd == wd || wd == -1) |
|
|
1921 | { |
|
|
1922 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
|
|
1923 | { |
|
|
1924 | w->wd = -1; |
|
|
1925 | infy_add (EV_A_ w); /* re-add, no matter what */ |
|
|
1926 | } |
|
|
1927 | |
|
|
1928 | stat_timer_cb (EV_A_ &w->timer, 0); |
|
|
1929 | } |
|
|
1930 | } |
|
|
1931 | } |
|
|
1932 | } |
|
|
1933 | |
|
|
1934 | static void |
|
|
1935 | infy_cb (EV_P_ ev_io *w, int revents) |
|
|
1936 | { |
|
|
1937 | char buf [EV_INOTIFY_BUFSIZE]; |
|
|
1938 | struct inotify_event *ev = (struct inotify_event *)buf; |
|
|
1939 | int ofs; |
|
|
1940 | int len = read (fs_fd, buf, sizeof (buf)); |
|
|
1941 | |
|
|
1942 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
|
|
1943 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
|
|
1944 | } |
|
|
1945 | |
|
|
1946 | void inline_size |
|
|
1947 | infy_init (EV_P) |
|
|
1948 | { |
|
|
1949 | if (fs_fd != -2) |
|
|
1950 | return; |
|
|
1951 | |
|
|
1952 | fs_fd = inotify_init (); |
|
|
1953 | |
|
|
1954 | if (fs_fd >= 0) |
|
|
1955 | { |
|
|
1956 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
|
|
1957 | ev_set_priority (&fs_w, EV_MAXPRI); |
|
|
1958 | ev_io_start (EV_A_ &fs_w); |
|
|
1959 | } |
|
|
1960 | } |
|
|
1961 | |
|
|
1962 | void inline_size |
|
|
1963 | infy_fork (EV_P) |
|
|
1964 | { |
|
|
1965 | int slot; |
|
|
1966 | |
|
|
1967 | if (fs_fd < 0) |
|
|
1968 | return; |
|
|
1969 | |
|
|
1970 | close (fs_fd); |
|
|
1971 | fs_fd = inotify_init (); |
|
|
1972 | |
|
|
1973 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
|
|
1974 | { |
|
|
1975 | WL w_ = fs_hash [slot].head; |
|
|
1976 | fs_hash [slot].head = 0; |
|
|
1977 | |
|
|
1978 | while (w_) |
|
|
1979 | { |
|
|
1980 | ev_stat *w = (ev_stat *)w_; |
|
|
1981 | w_ = w_->next; /* lets us add this watcher */ |
|
|
1982 | |
|
|
1983 | w->wd = -1; |
|
|
1984 | |
|
|
1985 | if (fs_fd >= 0) |
|
|
1986 | infy_add (EV_A_ w); /* re-add, no matter what */ |
|
|
1987 | else |
|
|
1988 | ev_timer_start (EV_A_ &w->timer); |
|
|
1989 | } |
|
|
1990 | |
|
|
1991 | } |
|
|
1992 | } |
|
|
1993 | |
|
|
1994 | #endif |
|
|
1995 | |
|
|
1996 | void |
|
|
1997 | ev_stat_stat (EV_P_ ev_stat *w) |
|
|
1998 | { |
|
|
1999 | if (lstat (w->path, &w->attr) < 0) |
|
|
2000 | w->attr.st_nlink = 0; |
|
|
2001 | else if (!w->attr.st_nlink) |
|
|
2002 | w->attr.st_nlink = 1; |
|
|
2003 | } |
|
|
2004 | |
|
|
2005 | static void noinline |
|
|
2006 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
|
|
2007 | { |
|
|
2008 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
|
|
2009 | |
|
|
2010 | /* we copy this here each the time so that */ |
|
|
2011 | /* prev has the old value when the callback gets invoked */ |
|
|
2012 | w->prev = w->attr; |
|
|
2013 | ev_stat_stat (EV_A_ w); |
|
|
2014 | |
|
|
2015 | /* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */ |
|
|
2016 | if ( |
|
|
2017 | w->prev.st_dev != w->attr.st_dev |
|
|
2018 | || w->prev.st_ino != w->attr.st_ino |
|
|
2019 | || w->prev.st_mode != w->attr.st_mode |
|
|
2020 | || w->prev.st_nlink != w->attr.st_nlink |
|
|
2021 | || w->prev.st_uid != w->attr.st_uid |
|
|
2022 | || w->prev.st_gid != w->attr.st_gid |
|
|
2023 | || w->prev.st_rdev != w->attr.st_rdev |
|
|
2024 | || w->prev.st_size != w->attr.st_size |
|
|
2025 | || w->prev.st_atime != w->attr.st_atime |
|
|
2026 | || w->prev.st_mtime != w->attr.st_mtime |
|
|
2027 | || w->prev.st_ctime != w->attr.st_ctime |
|
|
2028 | ) { |
|
|
2029 | #if EV_USE_INOTIFY |
|
|
2030 | infy_del (EV_A_ w); |
|
|
2031 | infy_add (EV_A_ w); |
|
|
2032 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
|
|
2033 | #endif |
|
|
2034 | |
|
|
2035 | ev_feed_event (EV_A_ w, EV_STAT); |
|
|
2036 | } |
|
|
2037 | } |
|
|
2038 | |
|
|
2039 | void |
|
|
2040 | ev_stat_start (EV_P_ ev_stat *w) |
|
|
2041 | { |
|
|
2042 | if (expect_false (ev_is_active (w))) |
|
|
2043 | return; |
|
|
2044 | |
|
|
2045 | /* since we use memcmp, we need to clear any padding data etc. */ |
|
|
2046 | memset (&w->prev, 0, sizeof (ev_statdata)); |
|
|
2047 | memset (&w->attr, 0, sizeof (ev_statdata)); |
|
|
2048 | |
|
|
2049 | ev_stat_stat (EV_A_ w); |
|
|
2050 | |
|
|
2051 | if (w->interval < MIN_STAT_INTERVAL) |
|
|
2052 | w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
2053 | |
|
|
2054 | ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval); |
|
|
2055 | ev_set_priority (&w->timer, ev_priority (w)); |
|
|
2056 | |
|
|
2057 | #if EV_USE_INOTIFY |
|
|
2058 | infy_init (EV_A); |
|
|
2059 | |
|
|
2060 | if (fs_fd >= 0) |
|
|
2061 | infy_add (EV_A_ w); |
|
|
2062 | else |
|
|
2063 | #endif |
|
|
2064 | ev_timer_start (EV_A_ &w->timer); |
|
|
2065 | |
|
|
2066 | ev_start (EV_A_ (W)w, 1); |
|
|
2067 | } |
|
|
2068 | |
|
|
2069 | void |
|
|
2070 | ev_stat_stop (EV_P_ ev_stat *w) |
|
|
2071 | { |
|
|
2072 | clear_pending (EV_A_ (W)w); |
|
|
2073 | if (expect_false (!ev_is_active (w))) |
|
|
2074 | return; |
|
|
2075 | |
|
|
2076 | #if EV_USE_INOTIFY |
|
|
2077 | infy_del (EV_A_ w); |
|
|
2078 | #endif |
|
|
2079 | ev_timer_stop (EV_A_ &w->timer); |
|
|
2080 | |
|
|
2081 | ev_stop (EV_A_ (W)w); |
|
|
2082 | } |
|
|
2083 | #endif |
|
|
2084 | |
|
|
2085 | #if EV_IDLE_ENABLE |
|
|
2086 | void |
|
|
2087 | ev_idle_start (EV_P_ ev_idle *w) |
|
|
2088 | { |
|
|
2089 | if (expect_false (ev_is_active (w))) |
|
|
2090 | return; |
|
|
2091 | |
|
|
2092 | pri_adjust (EV_A_ (W)w); |
|
|
2093 | |
|
|
2094 | { |
|
|
2095 | int active = ++idlecnt [ABSPRI (w)]; |
|
|
2096 | |
|
|
2097 | ++idleall; |
|
|
2098 | ev_start (EV_A_ (W)w, active); |
|
|
2099 | |
|
|
2100 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
|
|
2101 | idles [ABSPRI (w)][active - 1] = w; |
|
|
2102 | } |
|
|
2103 | } |
|
|
2104 | |
|
|
2105 | void |
|
|
2106 | ev_idle_stop (EV_P_ ev_idle *w) |
|
|
2107 | { |
|
|
2108 | clear_pending (EV_A_ (W)w); |
|
|
2109 | if (expect_false (!ev_is_active (w))) |
|
|
2110 | return; |
|
|
2111 | |
|
|
2112 | { |
|
|
2113 | int active = ((W)w)->active; |
|
|
2114 | |
|
|
2115 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
|
|
2116 | ((W)idles [ABSPRI (w)][active - 1])->active = active; |
|
|
2117 | |
|
|
2118 | ev_stop (EV_A_ (W)w); |
|
|
2119 | --idleall; |
|
|
2120 | } |
|
|
2121 | } |
|
|
2122 | #endif |
|
|
2123 | |
|
|
2124 | void |
|
|
2125 | ev_prepare_start (EV_P_ ev_prepare *w) |
|
|
2126 | { |
|
|
2127 | if (expect_false (ev_is_active (w))) |
|
|
2128 | return; |
|
|
2129 | |
|
|
2130 | ev_start (EV_A_ (W)w, ++preparecnt); |
|
|
2131 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
|
|
2132 | prepares [preparecnt - 1] = w; |
|
|
2133 | } |
|
|
2134 | |
|
|
2135 | void |
|
|
2136 | ev_prepare_stop (EV_P_ ev_prepare *w) |
|
|
2137 | { |
|
|
2138 | clear_pending (EV_A_ (W)w); |
|
|
2139 | if (expect_false (!ev_is_active (w))) |
|
|
2140 | return; |
|
|
2141 | |
|
|
2142 | { |
|
|
2143 | int active = ((W)w)->active; |
|
|
2144 | prepares [active - 1] = prepares [--preparecnt]; |
|
|
2145 | ((W)prepares [active - 1])->active = active; |
|
|
2146 | } |
|
|
2147 | |
|
|
2148 | ev_stop (EV_A_ (W)w); |
|
|
2149 | } |
|
|
2150 | |
|
|
2151 | void |
|
|
2152 | ev_check_start (EV_P_ ev_check *w) |
|
|
2153 | { |
|
|
2154 | if (expect_false (ev_is_active (w))) |
|
|
2155 | return; |
|
|
2156 | |
|
|
2157 | ev_start (EV_A_ (W)w, ++checkcnt); |
|
|
2158 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
|
|
2159 | checks [checkcnt - 1] = w; |
|
|
2160 | } |
|
|
2161 | |
|
|
2162 | void |
|
|
2163 | ev_check_stop (EV_P_ ev_check *w) |
|
|
2164 | { |
|
|
2165 | clear_pending (EV_A_ (W)w); |
|
|
2166 | if (expect_false (!ev_is_active (w))) |
|
|
2167 | return; |
|
|
2168 | |
|
|
2169 | { |
|
|
2170 | int active = ((W)w)->active; |
|
|
2171 | checks [active - 1] = checks [--checkcnt]; |
|
|
2172 | ((W)checks [active - 1])->active = active; |
|
|
2173 | } |
|
|
2174 | |
|
|
2175 | ev_stop (EV_A_ (W)w); |
|
|
2176 | } |
|
|
2177 | |
|
|
2178 | #if EV_EMBED_ENABLE |
|
|
2179 | void noinline |
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2180 | ev_embed_sweep (EV_P_ ev_embed *w) |
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2181 | { |
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2182 | ev_loop (w->loop, EVLOOP_NONBLOCK); |
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2183 | } |
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2184 | |
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2185 | static void |
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2186 | embed_cb (EV_P_ ev_io *io, int revents) |
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2187 | { |
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2188 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
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2189 | |
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2190 | if (ev_cb (w)) |
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2191 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
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2192 | else |
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2193 | ev_embed_sweep (loop, w); |
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2194 | } |
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2195 | |
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2196 | void |
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2197 | ev_embed_start (EV_P_ ev_embed *w) |
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2198 | { |
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2199 | if (expect_false (ev_is_active (w))) |
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2200 | return; |
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2201 | |
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2202 | { |
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2203 | struct ev_loop *loop = w->loop; |
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2204 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
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2205 | ev_io_init (&w->io, embed_cb, backend_fd, EV_READ); |
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2206 | } |
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2207 | |
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2208 | ev_set_priority (&w->io, ev_priority (w)); |
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2209 | ev_io_start (EV_A_ &w->io); |
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2210 | |
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2211 | ev_start (EV_A_ (W)w, 1); |
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2212 | } |
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2213 | |
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2214 | void |
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2215 | ev_embed_stop (EV_P_ ev_embed *w) |
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2216 | { |
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2217 | clear_pending (EV_A_ (W)w); |
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2218 | if (expect_false (!ev_is_active (w))) |
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2219 | return; |
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2220 | |
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2221 | ev_io_stop (EV_A_ &w->io); |
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2222 | |
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2223 | ev_stop (EV_A_ (W)w); |
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2224 | } |
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2225 | #endif |
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2226 | |
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2227 | #if EV_FORK_ENABLE |
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2228 | void |
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2229 | ev_fork_start (EV_P_ ev_fork *w) |
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2230 | { |
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2231 | if (expect_false (ev_is_active (w))) |
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2232 | return; |
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2233 | |
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2234 | ev_start (EV_A_ (W)w, ++forkcnt); |
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2235 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
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2236 | forks [forkcnt - 1] = w; |
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2237 | } |
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2238 | |
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2239 | void |
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2240 | ev_fork_stop (EV_P_ ev_fork *w) |
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2241 | { |
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2242 | clear_pending (EV_A_ (W)w); |
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2243 | if (expect_false (!ev_is_active (w))) |
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2244 | return; |
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2245 | |
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2246 | { |
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|
2247 | int active = ((W)w)->active; |
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2248 | forks [active - 1] = forks [--forkcnt]; |
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2249 | ((W)forks [active - 1])->active = active; |
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2250 | } |
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2251 | |
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2252 | ev_stop (EV_A_ (W)w); |
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2253 | } |
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2254 | #endif |
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2255 | |
1547 | /*****************************************************************************/ |
2256 | /*****************************************************************************/ |
1548 | |
2257 | |
1549 | struct ev_once |
2258 | struct ev_once |
1550 | { |
2259 | { |
1551 | struct ev_io io; |
2260 | ev_io io; |
1552 | struct ev_timer to; |
2261 | ev_timer to; |
1553 | void (*cb)(int revents, void *arg); |
2262 | void (*cb)(int revents, void *arg); |
1554 | void *arg; |
2263 | void *arg; |
1555 | }; |
2264 | }; |
1556 | |
2265 | |
1557 | static void |
2266 | static void |
… | |
… | |
1566 | |
2275 | |
1567 | cb (revents, arg); |
2276 | cb (revents, arg); |
1568 | } |
2277 | } |
1569 | |
2278 | |
1570 | static void |
2279 | static void |
1571 | once_cb_io (EV_P_ struct ev_io *w, int revents) |
2280 | once_cb_io (EV_P_ ev_io *w, int revents) |
1572 | { |
2281 | { |
1573 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents); |
2282 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents); |
1574 | } |
2283 | } |
1575 | |
2284 | |
1576 | static void |
2285 | static void |
1577 | once_cb_to (EV_P_ struct ev_timer *w, int revents) |
2286 | once_cb_to (EV_P_ ev_timer *w, int revents) |
1578 | { |
2287 | { |
1579 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents); |
2288 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents); |
1580 | } |
2289 | } |
1581 | |
2290 | |
1582 | void |
2291 | void |
1583 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
2292 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
1584 | { |
2293 | { |
1585 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
2294 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
1586 | |
2295 | |
1587 | if (!once) |
2296 | if (expect_false (!once)) |
|
|
2297 | { |
1588 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
2298 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
1589 | else |
2299 | return; |
1590 | { |
2300 | } |
|
|
2301 | |
1591 | once->cb = cb; |
2302 | once->cb = cb; |
1592 | once->arg = arg; |
2303 | once->arg = arg; |
1593 | |
2304 | |
1594 | ev_init (&once->io, once_cb_io); |
2305 | ev_init (&once->io, once_cb_io); |
1595 | if (fd >= 0) |
2306 | if (fd >= 0) |
1596 | { |
2307 | { |
1597 | ev_io_set (&once->io, fd, events); |
2308 | ev_io_set (&once->io, fd, events); |
1598 | ev_io_start (EV_A_ &once->io); |
2309 | ev_io_start (EV_A_ &once->io); |
1599 | } |
2310 | } |
1600 | |
2311 | |
1601 | ev_init (&once->to, once_cb_to); |
2312 | ev_init (&once->to, once_cb_to); |
1602 | if (timeout >= 0.) |
2313 | if (timeout >= 0.) |
1603 | { |
2314 | { |
1604 | ev_timer_set (&once->to, timeout, 0.); |
2315 | ev_timer_set (&once->to, timeout, 0.); |
1605 | ev_timer_start (EV_A_ &once->to); |
2316 | ev_timer_start (EV_A_ &once->to); |
1606 | } |
|
|
1607 | } |
2317 | } |
1608 | } |
2318 | } |
1609 | |
2319 | |
1610 | #ifdef __cplusplus |
2320 | #ifdef __cplusplus |
1611 | } |
2321 | } |