… | |
… | |
26 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
26 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
27 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
27 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
28 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
28 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
29 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
29 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
30 | */ |
30 | */ |
|
|
31 | |
|
|
32 | #ifdef __cplusplus |
|
|
33 | extern "C" { |
|
|
34 | #endif |
|
|
35 | |
31 | #ifndef EV_STANDALONE |
36 | #ifndef EV_STANDALONE |
|
|
37 | # ifdef EV_CONFIG_H |
|
|
38 | # include EV_CONFIG_H |
|
|
39 | # else |
32 | # include "config.h" |
40 | # include "config.h" |
|
|
41 | # endif |
33 | |
42 | |
34 | # if HAVE_CLOCK_GETTIME |
43 | # if HAVE_CLOCK_GETTIME |
|
|
44 | # ifndef EV_USE_MONOTONIC |
35 | # define EV_USE_MONOTONIC 1 |
45 | # define EV_USE_MONOTONIC 1 |
|
|
46 | # endif |
|
|
47 | # ifndef EV_USE_REALTIME |
36 | # 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 |
37 | # endif |
57 | # endif |
38 | |
58 | |
|
|
59 | # ifndef EV_USE_SELECT |
39 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
60 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
40 | # define EV_USE_SELECT 1 |
61 | # define EV_USE_SELECT 1 |
|
|
62 | # else |
|
|
63 | # define EV_USE_SELECT 0 |
|
|
64 | # endif |
41 | # endif |
65 | # endif |
42 | |
66 | |
|
|
67 | # ifndef EV_USE_POLL |
43 | # if HAVE_POLL && HAVE_POLL_H |
68 | # if HAVE_POLL && HAVE_POLL_H |
44 | # define EV_USE_POLL 1 |
69 | # define EV_USE_POLL 1 |
|
|
70 | # else |
|
|
71 | # define EV_USE_POLL 0 |
|
|
72 | # endif |
45 | # endif |
73 | # endif |
46 | |
74 | |
|
|
75 | # ifndef EV_USE_EPOLL |
47 | # if HAVE_EPOLL && HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H |
76 | # if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H |
48 | # define EV_USE_EPOLL 1 |
77 | # define EV_USE_EPOLL 1 |
|
|
78 | # else |
|
|
79 | # define EV_USE_EPOLL 0 |
|
|
80 | # endif |
49 | # endif |
81 | # endif |
50 | |
82 | |
|
|
83 | # ifndef EV_USE_KQUEUE |
51 | # if HAVE_KQUEUE && HAVE_WORKING_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H |
84 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H |
52 | # 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 |
53 | # endif |
97 | # endif |
54 | |
98 | |
55 | #endif |
99 | #endif |
56 | |
100 | |
57 | #include <math.h> |
101 | #include <math.h> |
58 | #include <stdlib.h> |
102 | #include <stdlib.h> |
59 | #include <unistd.h> |
|
|
60 | #include <fcntl.h> |
103 | #include <fcntl.h> |
61 | #include <signal.h> |
|
|
62 | #include <stddef.h> |
104 | #include <stddef.h> |
63 | |
105 | |
64 | #include <stdio.h> |
106 | #include <stdio.h> |
65 | |
107 | |
66 | #include <assert.h> |
108 | #include <assert.h> |
67 | #include <errno.h> |
109 | #include <errno.h> |
68 | #include <sys/types.h> |
110 | #include <sys/types.h> |
|
|
111 | #include <time.h> |
|
|
112 | |
|
|
113 | #include <signal.h> |
|
|
114 | |
69 | #ifndef WIN32 |
115 | #ifndef _WIN32 |
|
|
116 | # include <unistd.h> |
|
|
117 | # include <sys/time.h> |
70 | # include <sys/wait.h> |
118 | # include <sys/wait.h> |
|
|
119 | #else |
|
|
120 | # define WIN32_LEAN_AND_MEAN |
|
|
121 | # include <windows.h> |
|
|
122 | # ifndef EV_SELECT_IS_WINSOCKET |
|
|
123 | # define EV_SELECT_IS_WINSOCKET 1 |
71 | #endif |
124 | # endif |
72 | #include <sys/time.h> |
125 | #endif |
73 | #include <time.h> |
|
|
74 | |
126 | |
75 | /**/ |
127 | /**/ |
76 | |
128 | |
77 | #ifndef EV_USE_MONOTONIC |
129 | #ifndef EV_USE_MONOTONIC |
78 | # define EV_USE_MONOTONIC 1 |
130 | # define EV_USE_MONOTONIC 0 |
|
|
131 | #endif |
|
|
132 | |
|
|
133 | #ifndef EV_USE_REALTIME |
|
|
134 | # define EV_USE_REALTIME 0 |
79 | #endif |
135 | #endif |
80 | |
136 | |
81 | #ifndef EV_USE_SELECT |
137 | #ifndef EV_USE_SELECT |
82 | # define EV_USE_SELECT 1 |
138 | # define EV_USE_SELECT 1 |
83 | #endif |
139 | #endif |
84 | |
140 | |
85 | #ifndef EV_USE_POLL |
141 | #ifndef EV_USE_POLL |
86 | # define EV_USE_POLL 0 /* poll is usually slower than select, and not as well tested */ |
142 | # ifdef _WIN32 |
|
|
143 | # define EV_USE_POLL 0 |
|
|
144 | # else |
|
|
145 | # define EV_USE_POLL 1 |
|
|
146 | # endif |
87 | #endif |
147 | #endif |
88 | |
148 | |
89 | #ifndef EV_USE_EPOLL |
149 | #ifndef EV_USE_EPOLL |
90 | # define EV_USE_EPOLL 0 |
150 | # define EV_USE_EPOLL 0 |
91 | #endif |
151 | #endif |
92 | |
152 | |
93 | #ifndef EV_USE_KQUEUE |
153 | #ifndef EV_USE_KQUEUE |
94 | # define EV_USE_KQUEUE 0 |
154 | # define EV_USE_KQUEUE 0 |
95 | #endif |
155 | #endif |
96 | |
156 | |
97 | #ifndef EV_USE_WIN32 |
|
|
98 | # ifdef WIN32 |
|
|
99 | # define EV_USE_WIN32 1 |
|
|
100 | # else |
|
|
101 | # define EV_USE_WIN32 0 |
|
|
102 | # endif |
|
|
103 | #endif |
|
|
104 | |
|
|
105 | #ifndef EV_USE_REALTIME |
157 | #ifndef EV_USE_PORT |
106 | # define EV_USE_REALTIME 1 |
158 | # define EV_USE_PORT 0 |
107 | #endif |
159 | #endif |
108 | |
160 | |
109 | /**/ |
161 | /**/ |
110 | |
162 | |
111 | #ifndef CLOCK_MONOTONIC |
163 | #ifndef CLOCK_MONOTONIC |
… | |
… | |
116 | #ifndef CLOCK_REALTIME |
168 | #ifndef CLOCK_REALTIME |
117 | # undef EV_USE_REALTIME |
169 | # undef EV_USE_REALTIME |
118 | # define EV_USE_REALTIME 0 |
170 | # define EV_USE_REALTIME 0 |
119 | #endif |
171 | #endif |
120 | |
172 | |
|
|
173 | #if EV_SELECT_IS_WINSOCKET |
|
|
174 | # include <winsock.h> |
|
|
175 | #endif |
|
|
176 | |
121 | /**/ |
177 | /**/ |
122 | |
178 | |
123 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
179 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
124 | #define MAX_BLOCKTIME 59.731 /* never wait longer than this time (to detect time jumps) */ |
180 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
125 | #define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */ |
181 | #define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */ |
126 | /*#define CLEANUP_INTERVAL 300. /* how often to try to free memory and re-check fds */ |
182 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds */ |
127 | |
183 | |
|
|
184 | #ifdef EV_H |
|
|
185 | # include EV_H |
|
|
186 | #else |
128 | #include "ev.h" |
187 | # include "ev.h" |
|
|
188 | #endif |
129 | |
189 | |
130 | #if __GNUC__ >= 3 |
190 | #if __GNUC__ >= 3 |
131 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
191 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
132 | # define inline inline |
192 | # define inline static inline |
133 | #else |
193 | #else |
134 | # define expect(expr,value) (expr) |
194 | # define expect(expr,value) (expr) |
135 | # define inline static |
195 | # define inline static |
136 | #endif |
196 | #endif |
137 | |
197 | |
… | |
… | |
139 | #define expect_true(expr) expect ((expr) != 0, 1) |
199 | #define expect_true(expr) expect ((expr) != 0, 1) |
140 | |
200 | |
141 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
201 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
142 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
202 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
143 | |
203 | |
|
|
204 | #define EMPTY0 /* required for microsofts broken pseudo-c compiler */ |
|
|
205 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
|
|
206 | |
144 | typedef struct ev_watcher *W; |
207 | typedef struct ev_watcher *W; |
145 | typedef struct ev_watcher_list *WL; |
208 | typedef struct ev_watcher_list *WL; |
146 | typedef struct ev_watcher_time *WT; |
209 | typedef struct ev_watcher_time *WT; |
147 | |
210 | |
148 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
211 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
149 | |
212 | |
150 | #if WIN32 |
213 | #ifdef _WIN32 |
151 | /* note: the comment below could not be substantiated, but what would I care */ |
214 | # include "ev_win32.c" |
152 | /* MSDN says this is required to handle SIGFPE */ |
|
|
153 | volatile double SIGFPE_REQ = 0.0f; |
|
|
154 | #endif |
215 | #endif |
155 | |
216 | |
156 | /*****************************************************************************/ |
217 | /*****************************************************************************/ |
157 | |
218 | |
|
|
219 | static void (*syserr_cb)(const char *msg); |
|
|
220 | |
|
|
221 | void ev_set_syserr_cb (void (*cb)(const char *msg)) |
|
|
222 | { |
|
|
223 | syserr_cb = cb; |
|
|
224 | } |
|
|
225 | |
|
|
226 | static void |
|
|
227 | syserr (const char *msg) |
|
|
228 | { |
|
|
229 | if (!msg) |
|
|
230 | msg = "(libev) system error"; |
|
|
231 | |
|
|
232 | if (syserr_cb) |
|
|
233 | syserr_cb (msg); |
|
|
234 | else |
|
|
235 | { |
|
|
236 | perror (msg); |
|
|
237 | abort (); |
|
|
238 | } |
|
|
239 | } |
|
|
240 | |
|
|
241 | static void *(*alloc)(void *ptr, long size); |
|
|
242 | |
|
|
243 | void ev_set_allocator (void *(*cb)(void *ptr, long size)) |
|
|
244 | { |
|
|
245 | alloc = cb; |
|
|
246 | } |
|
|
247 | |
|
|
248 | static void * |
|
|
249 | ev_realloc (void *ptr, long size) |
|
|
250 | { |
|
|
251 | ptr = alloc ? alloc (ptr, size) : realloc (ptr, size); |
|
|
252 | |
|
|
253 | if (!ptr && size) |
|
|
254 | { |
|
|
255 | fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size); |
|
|
256 | abort (); |
|
|
257 | } |
|
|
258 | |
|
|
259 | return ptr; |
|
|
260 | } |
|
|
261 | |
|
|
262 | #define ev_malloc(size) ev_realloc (0, (size)) |
|
|
263 | #define ev_free(ptr) ev_realloc ((ptr), 0) |
|
|
264 | |
|
|
265 | /*****************************************************************************/ |
|
|
266 | |
158 | typedef struct |
267 | typedef struct |
159 | { |
268 | { |
160 | struct ev_watcher_list *head; |
269 | WL head; |
161 | unsigned char events; |
270 | unsigned char events; |
162 | unsigned char reify; |
271 | unsigned char reify; |
|
|
272 | #if EV_SELECT_IS_WINSOCKET |
|
|
273 | SOCKET handle; |
|
|
274 | #endif |
163 | } ANFD; |
275 | } ANFD; |
164 | |
276 | |
165 | typedef struct |
277 | typedef struct |
166 | { |
278 | { |
167 | W w; |
279 | W w; |
168 | int events; |
280 | int events; |
169 | } ANPENDING; |
281 | } ANPENDING; |
170 | |
282 | |
171 | #if EV_MULTIPLICITY |
283 | #if EV_MULTIPLICITY |
172 | |
284 | |
173 | struct ev_loop |
285 | struct ev_loop |
174 | { |
286 | { |
|
|
287 | ev_tstamp ev_rt_now; |
|
|
288 | #define ev_rt_now ((loop)->ev_rt_now) |
175 | # define VAR(name,decl) decl; |
289 | #define VAR(name,decl) decl; |
176 | # include "ev_vars.h" |
290 | #include "ev_vars.h" |
177 | }; |
|
|
178 | # undef VAR |
291 | #undef VAR |
|
|
292 | }; |
179 | # include "ev_wrap.h" |
293 | #include "ev_wrap.h" |
|
|
294 | |
|
|
295 | static struct ev_loop default_loop_struct; |
|
|
296 | struct ev_loop *ev_default_loop_ptr; |
180 | |
297 | |
181 | #else |
298 | #else |
182 | |
299 | |
|
|
300 | ev_tstamp ev_rt_now; |
183 | # define VAR(name,decl) static decl; |
301 | #define VAR(name,decl) static decl; |
184 | # include "ev_vars.h" |
302 | #include "ev_vars.h" |
185 | # undef VAR |
303 | #undef VAR |
|
|
304 | |
|
|
305 | static int ev_default_loop_ptr; |
186 | |
306 | |
187 | #endif |
307 | #endif |
188 | |
308 | |
189 | /*****************************************************************************/ |
309 | /*****************************************************************************/ |
190 | |
310 | |
191 | inline ev_tstamp |
311 | ev_tstamp |
192 | ev_time (void) |
312 | ev_time (void) |
193 | { |
313 | { |
194 | #if EV_USE_REALTIME |
314 | #if EV_USE_REALTIME |
195 | struct timespec ts; |
315 | struct timespec ts; |
196 | clock_gettime (CLOCK_REALTIME, &ts); |
316 | clock_gettime (CLOCK_REALTIME, &ts); |
… | |
… | |
215 | #endif |
335 | #endif |
216 | |
336 | |
217 | return ev_time (); |
337 | return ev_time (); |
218 | } |
338 | } |
219 | |
339 | |
|
|
340 | #if EV_MULTIPLICITY |
220 | ev_tstamp |
341 | ev_tstamp |
221 | ev_now (EV_P) |
342 | ev_now (EV_P) |
222 | { |
343 | { |
223 | return rt_now; |
344 | return ev_rt_now; |
224 | } |
345 | } |
|
|
346 | #endif |
225 | |
347 | |
226 | #define array_roundsize(base,n) ((n) | 4 & ~3) |
348 | #define array_roundsize(type,n) (((n) | 4) & ~3) |
227 | |
349 | |
228 | #define array_needsize(base,cur,cnt,init) \ |
350 | #define array_needsize(type,base,cur,cnt,init) \ |
229 | if (expect_false ((cnt) > cur)) \ |
351 | if (expect_false ((cnt) > cur)) \ |
230 | { \ |
352 | { \ |
231 | int newcnt = cur; \ |
353 | int newcnt = cur; \ |
232 | do \ |
354 | do \ |
233 | { \ |
355 | { \ |
234 | newcnt = array_roundsize (base, newcnt << 1); \ |
356 | newcnt = array_roundsize (type, newcnt << 1); \ |
235 | } \ |
357 | } \ |
236 | while ((cnt) > newcnt); \ |
358 | while ((cnt) > newcnt); \ |
237 | \ |
359 | \ |
238 | base = realloc (base, sizeof (*base) * (newcnt)); \ |
360 | base = (type *)ev_realloc (base, sizeof (type) * (newcnt));\ |
239 | init (base + cur, newcnt - cur); \ |
361 | init (base + cur, newcnt - cur); \ |
240 | cur = newcnt; \ |
362 | cur = newcnt; \ |
241 | } |
363 | } |
242 | |
364 | |
243 | #define array_slim(stem) \ |
365 | #define array_slim(type,stem) \ |
244 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
366 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
245 | { \ |
367 | { \ |
246 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
368 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
247 | base = realloc (base, sizeof (*base) * (stem ## max)); \ |
369 | base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\ |
248 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
370 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
249 | } |
371 | } |
250 | |
372 | |
251 | #define array_free(stem, idx) \ |
373 | #define array_free(stem, idx) \ |
252 | free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
374 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
253 | |
375 | |
254 | /*****************************************************************************/ |
376 | /*****************************************************************************/ |
255 | |
377 | |
256 | static void |
378 | static void |
257 | anfds_init (ANFD *base, int count) |
379 | anfds_init (ANFD *base, int count) |
… | |
… | |
264 | |
386 | |
265 | ++base; |
387 | ++base; |
266 | } |
388 | } |
267 | } |
389 | } |
268 | |
390 | |
269 | static void |
391 | void |
270 | event (EV_P_ W w, int events) |
392 | ev_feed_event (EV_P_ void *w, int revents) |
271 | { |
393 | { |
272 | if (w->pending) |
394 | W w_ = (W)w; |
|
|
395 | |
|
|
396 | if (expect_false (w_->pending)) |
273 | { |
397 | { |
274 | pendings [ABSPRI (w)][w->pending - 1].events |= events; |
398 | pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; |
275 | return; |
399 | return; |
276 | } |
400 | } |
277 | |
401 | |
|
|
402 | if (expect_false (!w_->cb)) |
|
|
403 | return; |
|
|
404 | |
278 | w->pending = ++pendingcnt [ABSPRI (w)]; |
405 | w_->pending = ++pendingcnt [ABSPRI (w_)]; |
279 | array_needsize (pendings [ABSPRI (w)], pendingmax [ABSPRI (w)], pendingcnt [ABSPRI (w)], ); |
406 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2); |
280 | pendings [ABSPRI (w)][w->pending - 1].w = w; |
407 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
281 | pendings [ABSPRI (w)][w->pending - 1].events = events; |
408 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
282 | } |
409 | } |
283 | |
410 | |
284 | static void |
411 | static void |
285 | queue_events (EV_P_ W *events, int eventcnt, int type) |
412 | queue_events (EV_P_ W *events, int eventcnt, int type) |
286 | { |
413 | { |
287 | int i; |
414 | int i; |
288 | |
415 | |
289 | for (i = 0; i < eventcnt; ++i) |
416 | for (i = 0; i < eventcnt; ++i) |
290 | event (EV_A_ events [i], type); |
417 | ev_feed_event (EV_A_ events [i], type); |
291 | } |
418 | } |
292 | |
419 | |
293 | static void |
420 | inline void |
294 | fd_event (EV_P_ int fd, int events) |
421 | fd_event (EV_P_ int fd, int revents) |
295 | { |
422 | { |
296 | ANFD *anfd = anfds + fd; |
423 | ANFD *anfd = anfds + fd; |
297 | struct ev_io *w; |
424 | struct ev_io *w; |
298 | |
425 | |
299 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
426 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
300 | { |
427 | { |
301 | int ev = w->events & events; |
428 | int ev = w->events & revents; |
302 | |
429 | |
303 | if (ev) |
430 | if (ev) |
304 | event (EV_A_ (W)w, ev); |
431 | ev_feed_event (EV_A_ (W)w, ev); |
305 | } |
432 | } |
|
|
433 | } |
|
|
434 | |
|
|
435 | void |
|
|
436 | ev_feed_fd_event (EV_P_ int fd, int revents) |
|
|
437 | { |
|
|
438 | fd_event (EV_A_ fd, revents); |
306 | } |
439 | } |
307 | |
440 | |
308 | /*****************************************************************************/ |
441 | /*****************************************************************************/ |
309 | |
442 | |
310 | static void |
443 | inline void |
311 | fd_reify (EV_P) |
444 | fd_reify (EV_P) |
312 | { |
445 | { |
313 | int i; |
446 | int i; |
314 | |
447 | |
315 | for (i = 0; i < fdchangecnt; ++i) |
448 | for (i = 0; i < fdchangecnt; ++i) |
… | |
… | |
321 | int events = 0; |
454 | int events = 0; |
322 | |
455 | |
323 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
456 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
324 | events |= w->events; |
457 | events |= w->events; |
325 | |
458 | |
|
|
459 | #if EV_SELECT_IS_WINSOCKET |
|
|
460 | if (events) |
|
|
461 | { |
|
|
462 | unsigned long argp; |
|
|
463 | anfd->handle = _get_osfhandle (fd); |
|
|
464 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
|
|
465 | } |
|
|
466 | #endif |
|
|
467 | |
326 | anfd->reify = 0; |
468 | anfd->reify = 0; |
327 | |
469 | |
328 | method_modify (EV_A_ fd, anfd->events, events); |
470 | backend_modify (EV_A_ fd, anfd->events, events); |
329 | anfd->events = events; |
471 | anfd->events = events; |
330 | } |
472 | } |
331 | |
473 | |
332 | fdchangecnt = 0; |
474 | fdchangecnt = 0; |
333 | } |
475 | } |
334 | |
476 | |
335 | static void |
477 | static void |
336 | fd_change (EV_P_ int fd) |
478 | fd_change (EV_P_ int fd) |
337 | { |
479 | { |
338 | if (anfds [fd].reify || fdchangecnt < 0) |
480 | if (expect_false (anfds [fd].reify)) |
339 | return; |
481 | return; |
340 | |
482 | |
341 | anfds [fd].reify = 1; |
483 | anfds [fd].reify = 1; |
342 | |
484 | |
343 | ++fdchangecnt; |
485 | ++fdchangecnt; |
344 | array_needsize (fdchanges, fdchangemax, fdchangecnt, ); |
486 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
345 | fdchanges [fdchangecnt - 1] = fd; |
487 | fdchanges [fdchangecnt - 1] = fd; |
346 | } |
488 | } |
347 | |
489 | |
348 | static void |
490 | static void |
349 | fd_kill (EV_P_ int fd) |
491 | fd_kill (EV_P_ int fd) |
… | |
… | |
351 | struct ev_io *w; |
493 | struct ev_io *w; |
352 | |
494 | |
353 | while ((w = (struct ev_io *)anfds [fd].head)) |
495 | while ((w = (struct ev_io *)anfds [fd].head)) |
354 | { |
496 | { |
355 | ev_io_stop (EV_A_ w); |
497 | ev_io_stop (EV_A_ w); |
356 | event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
498 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
357 | } |
499 | } |
|
|
500 | } |
|
|
501 | |
|
|
502 | inline int |
|
|
503 | fd_valid (int fd) |
|
|
504 | { |
|
|
505 | #ifdef _WIN32 |
|
|
506 | return _get_osfhandle (fd) != -1; |
|
|
507 | #else |
|
|
508 | return fcntl (fd, F_GETFD) != -1; |
|
|
509 | #endif |
358 | } |
510 | } |
359 | |
511 | |
360 | /* called on EBADF to verify fds */ |
512 | /* called on EBADF to verify fds */ |
361 | static void |
513 | static void |
362 | fd_ebadf (EV_P) |
514 | fd_ebadf (EV_P) |
363 | { |
515 | { |
364 | int fd; |
516 | int fd; |
365 | |
517 | |
366 | for (fd = 0; fd < anfdmax; ++fd) |
518 | for (fd = 0; fd < anfdmax; ++fd) |
367 | if (anfds [fd].events) |
519 | if (anfds [fd].events) |
368 | if (fcntl (fd, F_GETFD) == -1 && errno == EBADF) |
520 | if (!fd_valid (fd) == -1 && errno == EBADF) |
369 | fd_kill (EV_A_ fd); |
521 | fd_kill (EV_A_ fd); |
370 | } |
522 | } |
371 | |
523 | |
372 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
524 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
373 | static void |
525 | static void |
… | |
… | |
376 | int fd; |
528 | int fd; |
377 | |
529 | |
378 | for (fd = anfdmax; fd--; ) |
530 | for (fd = anfdmax; fd--; ) |
379 | if (anfds [fd].events) |
531 | if (anfds [fd].events) |
380 | { |
532 | { |
381 | close (fd); |
|
|
382 | fd_kill (EV_A_ fd); |
533 | fd_kill (EV_A_ fd); |
383 | return; |
534 | return; |
384 | } |
535 | } |
385 | } |
536 | } |
386 | |
537 | |
387 | /* susually called after fork if method needs to re-arm all fds from scratch */ |
538 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
388 | static void |
539 | static void |
389 | fd_rearm_all (EV_P) |
540 | fd_rearm_all (EV_P) |
390 | { |
541 | { |
391 | int fd; |
542 | int fd; |
392 | |
543 | |
… | |
… | |
440 | |
591 | |
441 | heap [k] = w; |
592 | heap [k] = w; |
442 | ((W)heap [k])->active = k + 1; |
593 | ((W)heap [k])->active = k + 1; |
443 | } |
594 | } |
444 | |
595 | |
|
|
596 | inline void |
|
|
597 | adjustheap (WT *heap, int N, int k) |
|
|
598 | { |
|
|
599 | upheap (heap, k); |
|
|
600 | downheap (heap, N, k); |
|
|
601 | } |
|
|
602 | |
445 | /*****************************************************************************/ |
603 | /*****************************************************************************/ |
446 | |
604 | |
447 | typedef struct |
605 | typedef struct |
448 | { |
606 | { |
449 | struct ev_watcher_list *head; |
607 | WL head; |
450 | sig_atomic_t volatile gotsig; |
608 | sig_atomic_t volatile gotsig; |
451 | } ANSIG; |
609 | } ANSIG; |
452 | |
610 | |
453 | static ANSIG *signals; |
611 | static ANSIG *signals; |
454 | static int signalmax; |
612 | static int signalmax; |
… | |
… | |
470 | } |
628 | } |
471 | |
629 | |
472 | static void |
630 | static void |
473 | sighandler (int signum) |
631 | sighandler (int signum) |
474 | { |
632 | { |
475 | #if WIN32 |
633 | #if _WIN32 |
476 | signal (signum, sighandler); |
634 | signal (signum, sighandler); |
477 | #endif |
635 | #endif |
478 | |
636 | |
479 | signals [signum - 1].gotsig = 1; |
637 | signals [signum - 1].gotsig = 1; |
480 | |
638 | |
… | |
… | |
485 | write (sigpipe [1], &signum, 1); |
643 | write (sigpipe [1], &signum, 1); |
486 | errno = old_errno; |
644 | errno = old_errno; |
487 | } |
645 | } |
488 | } |
646 | } |
489 | |
647 | |
|
|
648 | void |
|
|
649 | ev_feed_signal_event (EV_P_ int signum) |
|
|
650 | { |
|
|
651 | WL w; |
|
|
652 | |
|
|
653 | #if EV_MULTIPLICITY |
|
|
654 | assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
|
|
655 | #endif |
|
|
656 | |
|
|
657 | --signum; |
|
|
658 | |
|
|
659 | if (signum < 0 || signum >= signalmax) |
|
|
660 | return; |
|
|
661 | |
|
|
662 | signals [signum].gotsig = 0; |
|
|
663 | |
|
|
664 | for (w = signals [signum].head; w; w = w->next) |
|
|
665 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
|
|
666 | } |
|
|
667 | |
490 | static void |
668 | static void |
491 | sigcb (EV_P_ struct ev_io *iow, int revents) |
669 | sigcb (EV_P_ struct ev_io *iow, int revents) |
492 | { |
670 | { |
493 | struct ev_watcher_list *w; |
|
|
494 | int signum; |
671 | int signum; |
495 | |
672 | |
496 | read (sigpipe [0], &revents, 1); |
673 | read (sigpipe [0], &revents, 1); |
497 | gotsig = 0; |
674 | gotsig = 0; |
498 | |
675 | |
499 | for (signum = signalmax; signum--; ) |
676 | for (signum = signalmax; signum--; ) |
500 | if (signals [signum].gotsig) |
677 | if (signals [signum].gotsig) |
501 | { |
678 | ev_feed_signal_event (EV_A_ signum + 1); |
502 | signals [signum].gotsig = 0; |
679 | } |
503 | |
680 | |
504 | for (w = signals [signum].head; w; w = w->next) |
681 | static void |
505 | event (EV_A_ (W)w, EV_SIGNAL); |
682 | fd_intern (int fd) |
506 | } |
683 | { |
|
|
684 | #ifdef _WIN32 |
|
|
685 | int arg = 1; |
|
|
686 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
|
|
687 | #else |
|
|
688 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
|
|
689 | fcntl (fd, F_SETFL, O_NONBLOCK); |
|
|
690 | #endif |
507 | } |
691 | } |
508 | |
692 | |
509 | static void |
693 | static void |
510 | siginit (EV_P) |
694 | siginit (EV_P) |
511 | { |
695 | { |
512 | #ifndef WIN32 |
696 | fd_intern (sigpipe [0]); |
513 | fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC); |
697 | fd_intern (sigpipe [1]); |
514 | fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC); |
|
|
515 | |
|
|
516 | /* rather than sort out wether we really need nb, set it */ |
|
|
517 | fcntl (sigpipe [0], F_SETFL, O_NONBLOCK); |
|
|
518 | fcntl (sigpipe [1], F_SETFL, O_NONBLOCK); |
|
|
519 | #endif |
|
|
520 | |
698 | |
521 | ev_io_set (&sigev, sigpipe [0], EV_READ); |
699 | ev_io_set (&sigev, sigpipe [0], EV_READ); |
522 | ev_io_start (EV_A_ &sigev); |
700 | ev_io_start (EV_A_ &sigev); |
523 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
701 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
524 | } |
702 | } |
525 | |
703 | |
526 | /*****************************************************************************/ |
704 | /*****************************************************************************/ |
527 | |
705 | |
528 | #ifndef WIN32 |
|
|
529 | |
|
|
530 | static struct ev_child *childs [PID_HASHSIZE]; |
706 | static struct ev_child *childs [PID_HASHSIZE]; |
|
|
707 | |
|
|
708 | #ifndef _WIN32 |
|
|
709 | |
531 | static struct ev_signal childev; |
710 | static struct ev_signal childev; |
532 | |
711 | |
533 | #ifndef WCONTINUED |
712 | #ifndef WCONTINUED |
534 | # define WCONTINUED 0 |
713 | # define WCONTINUED 0 |
535 | #endif |
714 | #endif |
… | |
… | |
543 | if (w->pid == pid || !w->pid) |
722 | if (w->pid == pid || !w->pid) |
544 | { |
723 | { |
545 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
724 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
546 | w->rpid = pid; |
725 | w->rpid = pid; |
547 | w->rstatus = status; |
726 | w->rstatus = status; |
548 | event (EV_A_ (W)w, EV_CHILD); |
727 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
549 | } |
728 | } |
550 | } |
729 | } |
551 | |
730 | |
552 | static void |
731 | static void |
553 | childcb (EV_P_ struct ev_signal *sw, int revents) |
732 | childcb (EV_P_ struct ev_signal *sw, int revents) |
… | |
… | |
555 | int pid, status; |
734 | int pid, status; |
556 | |
735 | |
557 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
736 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
558 | { |
737 | { |
559 | /* make sure we are called again until all childs have been reaped */ |
738 | /* make sure we are called again until all childs have been reaped */ |
|
|
739 | /* we need to do it this way so that the callback gets called before we continue */ |
560 | event (EV_A_ (W)sw, EV_SIGNAL); |
740 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
561 | |
741 | |
562 | child_reap (EV_A_ sw, pid, pid, status); |
742 | child_reap (EV_A_ sw, pid, pid, status); |
563 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */ |
743 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
564 | } |
744 | } |
565 | } |
745 | } |
566 | |
746 | |
567 | #endif |
747 | #endif |
568 | |
748 | |
569 | /*****************************************************************************/ |
749 | /*****************************************************************************/ |
570 | |
750 | |
|
|
751 | #if EV_USE_PORT |
|
|
752 | # include "ev_port.c" |
|
|
753 | #endif |
571 | #if EV_USE_KQUEUE |
754 | #if EV_USE_KQUEUE |
572 | # include "ev_kqueue.c" |
755 | # include "ev_kqueue.c" |
573 | #endif |
756 | #endif |
574 | #if EV_USE_EPOLL |
757 | #if EV_USE_EPOLL |
575 | # include "ev_epoll.c" |
758 | # include "ev_epoll.c" |
… | |
… | |
595 | |
778 | |
596 | /* return true if we are running with elevated privileges and should ignore env variables */ |
779 | /* return true if we are running with elevated privileges and should ignore env variables */ |
597 | static int |
780 | static int |
598 | enable_secure (void) |
781 | enable_secure (void) |
599 | { |
782 | { |
600 | #ifdef WIN32 |
783 | #ifdef _WIN32 |
601 | return 0; |
784 | return 0; |
602 | #else |
785 | #else |
603 | return getuid () != geteuid () |
786 | return getuid () != geteuid () |
604 | || getgid () != getegid (); |
787 | || getgid () != getegid (); |
605 | #endif |
788 | #endif |
606 | } |
789 | } |
607 | |
790 | |
608 | int |
791 | unsigned int |
609 | ev_method (EV_P) |
792 | ev_supported_backends (void) |
610 | { |
793 | { |
611 | return method; |
794 | unsigned int flags = 0; |
612 | } |
|
|
613 | |
795 | |
614 | static void |
796 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
615 | loop_init (EV_P_ int methods) |
797 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
|
|
798 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
|
|
799 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
|
|
800 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
|
|
801 | |
|
|
802 | return flags; |
|
|
803 | } |
|
|
804 | |
|
|
805 | unsigned int |
|
|
806 | ev_recommended_backends (void) |
616 | { |
807 | { |
617 | if (!method) |
808 | unsigned int flags = ev_supported_backends (); |
|
|
809 | |
|
|
810 | #ifndef __NetBSD__ |
|
|
811 | /* kqueue is borked on everything but netbsd apparently */ |
|
|
812 | /* it usually doesn't work correctly on anything but sockets and pipes */ |
|
|
813 | flags &= ~EVBACKEND_KQUEUE; |
|
|
814 | #endif |
|
|
815 | #ifdef __APPLE__ |
|
|
816 | // flags &= ~EVBACKEND_KQUEUE; for documentation |
|
|
817 | flags &= ~EVBACKEND_POLL; |
|
|
818 | #endif |
|
|
819 | |
|
|
820 | return flags; |
|
|
821 | } |
|
|
822 | |
|
|
823 | unsigned int |
|
|
824 | ev_embeddable_backends (void) |
|
|
825 | { |
|
|
826 | return EVBACKEND_EPOLL |
|
|
827 | | EVBACKEND_KQUEUE |
|
|
828 | | EVBACKEND_PORT; |
|
|
829 | } |
|
|
830 | |
|
|
831 | unsigned int |
|
|
832 | ev_backend (EV_P) |
|
|
833 | { |
|
|
834 | return backend; |
|
|
835 | } |
|
|
836 | |
|
|
837 | static void |
|
|
838 | loop_init (EV_P_ unsigned int flags) |
|
|
839 | { |
|
|
840 | if (!backend) |
618 | { |
841 | { |
619 | #if EV_USE_MONOTONIC |
842 | #if EV_USE_MONOTONIC |
620 | { |
843 | { |
621 | struct timespec ts; |
844 | struct timespec ts; |
622 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
845 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
623 | have_monotonic = 1; |
846 | have_monotonic = 1; |
624 | } |
847 | } |
625 | #endif |
848 | #endif |
626 | |
849 | |
627 | rt_now = ev_time (); |
850 | ev_rt_now = ev_time (); |
628 | mn_now = get_clock (); |
851 | mn_now = get_clock (); |
629 | now_floor = mn_now; |
852 | now_floor = mn_now; |
630 | rtmn_diff = rt_now - mn_now; |
853 | rtmn_diff = ev_rt_now - mn_now; |
631 | |
854 | |
632 | if (methods == EVMETHOD_AUTO) |
855 | if (!(flags & EVFLAG_NOENV) |
633 | if (!enable_secure () && getenv ("LIBEV_METHODS")) |
856 | && !enable_secure () |
|
|
857 | && getenv ("LIBEV_FLAGS")) |
634 | methods = atoi (getenv ("LIBEV_METHODS")); |
858 | flags = atoi (getenv ("LIBEV_FLAGS")); |
635 | else |
|
|
636 | methods = EVMETHOD_ANY; |
|
|
637 | |
859 | |
638 | method = 0; |
860 | if (!(flags & 0x0000ffffUL)) |
639 | #if EV_USE_WIN32 |
861 | flags |= ev_recommended_backends (); |
640 | if (!method && (methods & EVMETHOD_WIN32 )) method = win32_init (EV_A_ methods); |
862 | |
|
|
863 | backend = 0; |
|
|
864 | #if EV_USE_PORT |
|
|
865 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
641 | #endif |
866 | #endif |
642 | #if EV_USE_KQUEUE |
867 | #if EV_USE_KQUEUE |
643 | if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods); |
868 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
644 | #endif |
869 | #endif |
645 | #if EV_USE_EPOLL |
870 | #if EV_USE_EPOLL |
646 | if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods); |
871 | if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); |
647 | #endif |
872 | #endif |
648 | #if EV_USE_POLL |
873 | #if EV_USE_POLL |
649 | if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods); |
874 | if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); |
650 | #endif |
875 | #endif |
651 | #if EV_USE_SELECT |
876 | #if EV_USE_SELECT |
652 | if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods); |
877 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
653 | #endif |
878 | #endif |
654 | } |
|
|
655 | } |
|
|
656 | |
879 | |
657 | void |
880 | ev_init (&sigev, sigcb); |
|
|
881 | ev_set_priority (&sigev, EV_MAXPRI); |
|
|
882 | } |
|
|
883 | } |
|
|
884 | |
|
|
885 | static void |
658 | loop_destroy (EV_P) |
886 | loop_destroy (EV_P) |
659 | { |
887 | { |
660 | int i; |
888 | int i; |
661 | |
889 | |
662 | #if EV_USE_WIN32 |
890 | #if EV_USE_PORT |
663 | if (method == EVMETHOD_WIN32 ) win32_destroy (EV_A); |
891 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
664 | #endif |
892 | #endif |
665 | #if EV_USE_KQUEUE |
893 | #if EV_USE_KQUEUE |
666 | if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A); |
894 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
667 | #endif |
895 | #endif |
668 | #if EV_USE_EPOLL |
896 | #if EV_USE_EPOLL |
669 | if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A); |
897 | if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); |
670 | #endif |
898 | #endif |
671 | #if EV_USE_POLL |
899 | #if EV_USE_POLL |
672 | if (method == EVMETHOD_POLL ) poll_destroy (EV_A); |
900 | if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); |
673 | #endif |
901 | #endif |
674 | #if EV_USE_SELECT |
902 | #if EV_USE_SELECT |
675 | if (method == EVMETHOD_SELECT) select_destroy (EV_A); |
903 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
676 | #endif |
904 | #endif |
677 | |
905 | |
678 | for (i = NUMPRI; i--; ) |
906 | for (i = NUMPRI; i--; ) |
679 | array_free (pending, [i]); |
907 | array_free (pending, [i]); |
680 | |
908 | |
|
|
909 | /* have to use the microsoft-never-gets-it-right macro */ |
681 | array_free (fdchange, ); |
910 | array_free (fdchange, EMPTY0); |
682 | array_free (timer, ); |
911 | array_free (timer, EMPTY0); |
|
|
912 | #if EV_PERIODICS |
683 | array_free (periodic, ); |
913 | array_free (periodic, EMPTY0); |
|
|
914 | #endif |
684 | array_free (idle, ); |
915 | array_free (idle, EMPTY0); |
685 | array_free (prepare, ); |
916 | array_free (prepare, EMPTY0); |
686 | array_free (check, ); |
917 | array_free (check, EMPTY0); |
687 | |
918 | |
688 | method = 0; |
919 | backend = 0; |
689 | /*TODO*/ |
|
|
690 | } |
920 | } |
691 | |
921 | |
692 | void |
922 | static void |
693 | loop_fork (EV_P) |
923 | loop_fork (EV_P) |
694 | { |
924 | { |
695 | /*TODO*/ |
925 | #if EV_USE_PORT |
|
|
926 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
|
|
927 | #endif |
|
|
928 | #if EV_USE_KQUEUE |
|
|
929 | if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); |
|
|
930 | #endif |
696 | #if EV_USE_EPOLL |
931 | #if EV_USE_EPOLL |
697 | if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A); |
932 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
698 | #endif |
933 | #endif |
699 | #if EV_USE_KQUEUE |
934 | |
700 | if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A); |
935 | if (ev_is_active (&sigev)) |
701 | #endif |
936 | { |
|
|
937 | /* default loop */ |
|
|
938 | |
|
|
939 | ev_ref (EV_A); |
|
|
940 | ev_io_stop (EV_A_ &sigev); |
|
|
941 | close (sigpipe [0]); |
|
|
942 | close (sigpipe [1]); |
|
|
943 | |
|
|
944 | while (pipe (sigpipe)) |
|
|
945 | syserr ("(libev) error creating pipe"); |
|
|
946 | |
|
|
947 | siginit (EV_A); |
|
|
948 | } |
|
|
949 | |
|
|
950 | postfork = 0; |
702 | } |
951 | } |
703 | |
952 | |
704 | #if EV_MULTIPLICITY |
953 | #if EV_MULTIPLICITY |
705 | struct ev_loop * |
954 | struct ev_loop * |
706 | ev_loop_new (int methods) |
955 | ev_loop_new (unsigned int flags) |
707 | { |
956 | { |
708 | struct ev_loop *loop = (struct ev_loop *)calloc (1, sizeof (struct ev_loop)); |
957 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
709 | |
958 | |
|
|
959 | memset (loop, 0, sizeof (struct ev_loop)); |
|
|
960 | |
710 | loop_init (EV_A_ methods); |
961 | loop_init (EV_A_ flags); |
711 | |
962 | |
712 | if (ev_method (EV_A)) |
963 | if (ev_backend (EV_A)) |
713 | return loop; |
964 | return loop; |
714 | |
965 | |
715 | return 0; |
966 | return 0; |
716 | } |
967 | } |
717 | |
968 | |
718 | void |
969 | void |
719 | ev_loop_destroy (EV_P) |
970 | ev_loop_destroy (EV_P) |
720 | { |
971 | { |
721 | loop_destroy (EV_A); |
972 | loop_destroy (EV_A); |
722 | free (loop); |
973 | ev_free (loop); |
723 | } |
974 | } |
724 | |
975 | |
725 | void |
976 | void |
726 | ev_loop_fork (EV_P) |
977 | ev_loop_fork (EV_P) |
727 | { |
978 | { |
728 | loop_fork (EV_A); |
979 | postfork = 1; |
729 | } |
980 | } |
730 | |
981 | |
731 | #endif |
982 | #endif |
732 | |
983 | |
733 | #if EV_MULTIPLICITY |
984 | #if EV_MULTIPLICITY |
734 | struct ev_loop default_loop_struct; |
|
|
735 | static struct ev_loop *default_loop; |
|
|
736 | |
|
|
737 | struct ev_loop * |
985 | struct ev_loop * |
|
|
986 | ev_default_loop_init (unsigned int flags) |
738 | #else |
987 | #else |
739 | static int default_loop; |
|
|
740 | |
|
|
741 | int |
988 | int |
|
|
989 | ev_default_loop (unsigned int flags) |
742 | #endif |
990 | #endif |
743 | ev_default_loop (int methods) |
|
|
744 | { |
991 | { |
745 | if (sigpipe [0] == sigpipe [1]) |
992 | if (sigpipe [0] == sigpipe [1]) |
746 | if (pipe (sigpipe)) |
993 | if (pipe (sigpipe)) |
747 | return 0; |
994 | return 0; |
748 | |
995 | |
749 | if (!default_loop) |
996 | if (!ev_default_loop_ptr) |
750 | { |
997 | { |
751 | #if EV_MULTIPLICITY |
998 | #if EV_MULTIPLICITY |
752 | struct ev_loop *loop = default_loop = &default_loop_struct; |
999 | struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; |
753 | #else |
1000 | #else |
754 | default_loop = 1; |
1001 | ev_default_loop_ptr = 1; |
755 | #endif |
1002 | #endif |
756 | |
1003 | |
757 | loop_init (EV_A_ methods); |
1004 | loop_init (EV_A_ flags); |
758 | |
1005 | |
759 | if (ev_method (EV_A)) |
1006 | if (ev_backend (EV_A)) |
760 | { |
1007 | { |
761 | ev_watcher_init (&sigev, sigcb); |
|
|
762 | ev_set_priority (&sigev, EV_MAXPRI); |
|
|
763 | siginit (EV_A); |
1008 | siginit (EV_A); |
764 | |
1009 | |
765 | #ifndef WIN32 |
1010 | #ifndef _WIN32 |
766 | ev_signal_init (&childev, childcb, SIGCHLD); |
1011 | ev_signal_init (&childev, childcb, SIGCHLD); |
767 | ev_set_priority (&childev, EV_MAXPRI); |
1012 | ev_set_priority (&childev, EV_MAXPRI); |
768 | ev_signal_start (EV_A_ &childev); |
1013 | ev_signal_start (EV_A_ &childev); |
769 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
1014 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
770 | #endif |
1015 | #endif |
771 | } |
1016 | } |
772 | else |
1017 | else |
773 | default_loop = 0; |
1018 | ev_default_loop_ptr = 0; |
774 | } |
1019 | } |
775 | |
1020 | |
776 | return default_loop; |
1021 | return ev_default_loop_ptr; |
777 | } |
1022 | } |
778 | |
1023 | |
779 | void |
1024 | void |
780 | ev_default_destroy (void) |
1025 | ev_default_destroy (void) |
781 | { |
1026 | { |
782 | #if EV_MULTIPLICITY |
1027 | #if EV_MULTIPLICITY |
783 | struct ev_loop *loop = default_loop; |
1028 | struct ev_loop *loop = ev_default_loop_ptr; |
784 | #endif |
1029 | #endif |
785 | |
1030 | |
|
|
1031 | #ifndef _WIN32 |
786 | ev_ref (EV_A); /* child watcher */ |
1032 | ev_ref (EV_A); /* child watcher */ |
787 | ev_signal_stop (EV_A_ &childev); |
1033 | ev_signal_stop (EV_A_ &childev); |
|
|
1034 | #endif |
788 | |
1035 | |
789 | ev_ref (EV_A); /* signal watcher */ |
1036 | ev_ref (EV_A); /* signal watcher */ |
790 | ev_io_stop (EV_A_ &sigev); |
1037 | ev_io_stop (EV_A_ &sigev); |
791 | |
1038 | |
792 | close (sigpipe [0]); sigpipe [0] = 0; |
1039 | close (sigpipe [0]); sigpipe [0] = 0; |
… | |
… | |
797 | |
1044 | |
798 | void |
1045 | void |
799 | ev_default_fork (void) |
1046 | ev_default_fork (void) |
800 | { |
1047 | { |
801 | #if EV_MULTIPLICITY |
1048 | #if EV_MULTIPLICITY |
802 | struct ev_loop *loop = default_loop; |
1049 | struct ev_loop *loop = ev_default_loop_ptr; |
803 | #endif |
1050 | #endif |
804 | |
1051 | |
805 | loop_fork (EV_A); |
1052 | if (backend) |
806 | |
1053 | postfork = 1; |
807 | ev_io_stop (EV_A_ &sigev); |
|
|
808 | close (sigpipe [0]); |
|
|
809 | close (sigpipe [1]); |
|
|
810 | pipe (sigpipe); |
|
|
811 | |
|
|
812 | ev_ref (EV_A); /* signal watcher */ |
|
|
813 | siginit (EV_A); |
|
|
814 | } |
1054 | } |
815 | |
1055 | |
816 | /*****************************************************************************/ |
1056 | /*****************************************************************************/ |
817 | |
1057 | |
818 | static void |
1058 | static int |
|
|
1059 | any_pending (EV_P) |
|
|
1060 | { |
|
|
1061 | int pri; |
|
|
1062 | |
|
|
1063 | for (pri = NUMPRI; pri--; ) |
|
|
1064 | if (pendingcnt [pri]) |
|
|
1065 | return 1; |
|
|
1066 | |
|
|
1067 | return 0; |
|
|
1068 | } |
|
|
1069 | |
|
|
1070 | inline void |
819 | call_pending (EV_P) |
1071 | call_pending (EV_P) |
820 | { |
1072 | { |
821 | int pri; |
1073 | int pri; |
822 | |
1074 | |
823 | for (pri = NUMPRI; pri--; ) |
1075 | for (pri = NUMPRI; pri--; ) |
824 | while (pendingcnt [pri]) |
1076 | while (pendingcnt [pri]) |
825 | { |
1077 | { |
826 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1078 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
827 | |
1079 | |
828 | if (p->w) |
1080 | if (expect_true (p->w)) |
829 | { |
1081 | { |
830 | p->w->pending = 0; |
1082 | p->w->pending = 0; |
831 | p->w->cb (EV_A_ p->w, p->events); |
1083 | EV_CB_INVOKE (p->w, p->events); |
832 | } |
1084 | } |
833 | } |
1085 | } |
834 | } |
1086 | } |
835 | |
1087 | |
836 | static void |
1088 | inline void |
837 | timers_reify (EV_P) |
1089 | timers_reify (EV_P) |
838 | { |
1090 | { |
839 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1091 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
840 | { |
1092 | { |
841 | struct ev_timer *w = timers [0]; |
1093 | struct ev_timer *w = timers [0]; |
… | |
… | |
844 | |
1096 | |
845 | /* first reschedule or stop timer */ |
1097 | /* first reschedule or stop timer */ |
846 | if (w->repeat) |
1098 | if (w->repeat) |
847 | { |
1099 | { |
848 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
1100 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
|
|
1101 | |
849 | ((WT)w)->at = mn_now + w->repeat; |
1102 | ((WT)w)->at += w->repeat; |
|
|
1103 | if (((WT)w)->at < mn_now) |
|
|
1104 | ((WT)w)->at = mn_now; |
|
|
1105 | |
850 | downheap ((WT *)timers, timercnt, 0); |
1106 | downheap ((WT *)timers, timercnt, 0); |
851 | } |
1107 | } |
852 | else |
1108 | else |
853 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1109 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
854 | |
1110 | |
855 | event (EV_A_ (W)w, EV_TIMEOUT); |
1111 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
856 | } |
1112 | } |
857 | } |
1113 | } |
858 | |
1114 | |
859 | static void |
1115 | #if EV_PERIODICS |
|
|
1116 | inline void |
860 | periodics_reify (EV_P) |
1117 | periodics_reify (EV_P) |
861 | { |
1118 | { |
862 | while (periodiccnt && ((WT)periodics [0])->at <= rt_now) |
1119 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
863 | { |
1120 | { |
864 | struct ev_periodic *w = periodics [0]; |
1121 | struct ev_periodic *w = periodics [0]; |
865 | |
1122 | |
866 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
1123 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
867 | |
1124 | |
868 | /* first reschedule or stop timer */ |
1125 | /* first reschedule or stop timer */ |
869 | if (w->interval) |
1126 | if (w->reschedule_cb) |
870 | { |
1127 | { |
|
|
1128 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); |
|
|
1129 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
|
|
1130 | downheap ((WT *)periodics, periodiccnt, 0); |
|
|
1131 | } |
|
|
1132 | else if (w->interval) |
|
|
1133 | { |
871 | ((WT)w)->at += floor ((rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval; |
1134 | ((WT)w)->at += floor ((ev_rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval; |
872 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > rt_now)); |
1135 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
873 | downheap ((WT *)periodics, periodiccnt, 0); |
1136 | downheap ((WT *)periodics, periodiccnt, 0); |
874 | } |
1137 | } |
875 | else |
1138 | else |
876 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1139 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
877 | |
1140 | |
878 | event (EV_A_ (W)w, EV_PERIODIC); |
1141 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
879 | } |
1142 | } |
880 | } |
1143 | } |
881 | |
1144 | |
882 | static void |
1145 | static void |
883 | periodics_reschedule (EV_P) |
1146 | periodics_reschedule (EV_P) |
… | |
… | |
887 | /* adjust periodics after time jump */ |
1150 | /* adjust periodics after time jump */ |
888 | for (i = 0; i < periodiccnt; ++i) |
1151 | for (i = 0; i < periodiccnt; ++i) |
889 | { |
1152 | { |
890 | struct ev_periodic *w = periodics [i]; |
1153 | struct ev_periodic *w = periodics [i]; |
891 | |
1154 | |
|
|
1155 | if (w->reschedule_cb) |
|
|
1156 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
892 | if (w->interval) |
1157 | else if (w->interval) |
893 | { |
|
|
894 | ev_tstamp diff = ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1158 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
895 | |
|
|
896 | if (fabs (diff) >= 1e-4) |
|
|
897 | { |
|
|
898 | ev_periodic_stop (EV_A_ w); |
|
|
899 | ev_periodic_start (EV_A_ w); |
|
|
900 | |
|
|
901 | i = 0; /* restart loop, inefficient, but time jumps should be rare */ |
|
|
902 | } |
|
|
903 | } |
|
|
904 | } |
1159 | } |
|
|
1160 | |
|
|
1161 | /* now rebuild the heap */ |
|
|
1162 | for (i = periodiccnt >> 1; i--; ) |
|
|
1163 | downheap ((WT *)periodics, periodiccnt, i); |
905 | } |
1164 | } |
|
|
1165 | #endif |
906 | |
1166 | |
907 | inline int |
1167 | inline int |
908 | time_update_monotonic (EV_P) |
1168 | time_update_monotonic (EV_P) |
909 | { |
1169 | { |
910 | mn_now = get_clock (); |
1170 | mn_now = get_clock (); |
911 | |
1171 | |
912 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1172 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
913 | { |
1173 | { |
914 | rt_now = rtmn_diff + mn_now; |
1174 | ev_rt_now = rtmn_diff + mn_now; |
915 | return 0; |
1175 | return 0; |
916 | } |
1176 | } |
917 | else |
1177 | else |
918 | { |
1178 | { |
919 | now_floor = mn_now; |
1179 | now_floor = mn_now; |
920 | rt_now = ev_time (); |
1180 | ev_rt_now = ev_time (); |
921 | return 1; |
1181 | return 1; |
922 | } |
1182 | } |
923 | } |
1183 | } |
924 | |
1184 | |
925 | static void |
1185 | inline void |
926 | time_update (EV_P) |
1186 | time_update (EV_P) |
927 | { |
1187 | { |
928 | int i; |
1188 | int i; |
929 | |
1189 | |
930 | #if EV_USE_MONOTONIC |
1190 | #if EV_USE_MONOTONIC |
… | |
… | |
934 | { |
1194 | { |
935 | ev_tstamp odiff = rtmn_diff; |
1195 | ev_tstamp odiff = rtmn_diff; |
936 | |
1196 | |
937 | for (i = 4; --i; ) /* loop a few times, before making important decisions */ |
1197 | for (i = 4; --i; ) /* loop a few times, before making important decisions */ |
938 | { |
1198 | { |
939 | rtmn_diff = rt_now - mn_now; |
1199 | rtmn_diff = ev_rt_now - mn_now; |
940 | |
1200 | |
941 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1201 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
942 | return; /* all is well */ |
1202 | return; /* all is well */ |
943 | |
1203 | |
944 | rt_now = ev_time (); |
1204 | ev_rt_now = ev_time (); |
945 | mn_now = get_clock (); |
1205 | mn_now = get_clock (); |
946 | now_floor = mn_now; |
1206 | now_floor = mn_now; |
947 | } |
1207 | } |
948 | |
1208 | |
|
|
1209 | # if EV_PERIODICS |
949 | periodics_reschedule (EV_A); |
1210 | periodics_reschedule (EV_A); |
|
|
1211 | # endif |
950 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1212 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
951 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1213 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
952 | } |
1214 | } |
953 | } |
1215 | } |
954 | else |
1216 | else |
955 | #endif |
1217 | #endif |
956 | { |
1218 | { |
957 | rt_now = ev_time (); |
1219 | ev_rt_now = ev_time (); |
958 | |
1220 | |
959 | if (expect_false (mn_now > rt_now || mn_now < rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
1221 | if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
960 | { |
1222 | { |
|
|
1223 | #if EV_PERIODICS |
961 | periodics_reschedule (EV_A); |
1224 | periodics_reschedule (EV_A); |
|
|
1225 | #endif |
962 | |
1226 | |
963 | /* adjust timers. this is easy, as the offset is the same for all */ |
1227 | /* adjust timers. this is easy, as the offset is the same for all */ |
964 | for (i = 0; i < timercnt; ++i) |
1228 | for (i = 0; i < timercnt; ++i) |
965 | ((WT)timers [i])->at += rt_now - mn_now; |
1229 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
966 | } |
1230 | } |
967 | |
1231 | |
968 | mn_now = rt_now; |
1232 | mn_now = ev_rt_now; |
969 | } |
1233 | } |
970 | } |
1234 | } |
971 | |
1235 | |
972 | void |
1236 | void |
973 | ev_ref (EV_P) |
1237 | ev_ref (EV_P) |
… | |
… | |
987 | ev_loop (EV_P_ int flags) |
1251 | ev_loop (EV_P_ int flags) |
988 | { |
1252 | { |
989 | double block; |
1253 | double block; |
990 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) ? 1 : 0; |
1254 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) ? 1 : 0; |
991 | |
1255 | |
992 | do |
1256 | while (activecnt) |
993 | { |
1257 | { |
994 | /* queue check watchers (and execute them) */ |
1258 | /* queue check watchers (and execute them) */ |
995 | if (expect_false (preparecnt)) |
1259 | if (expect_false (preparecnt)) |
996 | { |
1260 | { |
997 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1261 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
998 | call_pending (EV_A); |
1262 | call_pending (EV_A); |
999 | } |
1263 | } |
1000 | |
1264 | |
|
|
1265 | /* we might have forked, so reify kernel state if necessary */ |
|
|
1266 | if (expect_false (postfork)) |
|
|
1267 | loop_fork (EV_A); |
|
|
1268 | |
1001 | /* update fd-related kernel structures */ |
1269 | /* update fd-related kernel structures */ |
1002 | fd_reify (EV_A); |
1270 | fd_reify (EV_A); |
1003 | |
1271 | |
1004 | /* calculate blocking time */ |
1272 | /* calculate blocking time */ |
1005 | |
1273 | |
1006 | /* we only need this for !monotonic clockor timers, but as we basically |
1274 | /* we only need this for !monotonic clock or timers, but as we basically |
1007 | always have timers, we just calculate it always */ |
1275 | always have timers, we just calculate it always */ |
1008 | #if EV_USE_MONOTONIC |
1276 | #if EV_USE_MONOTONIC |
1009 | if (expect_true (have_monotonic)) |
1277 | if (expect_true (have_monotonic)) |
1010 | time_update_monotonic (EV_A); |
1278 | time_update_monotonic (EV_A); |
1011 | else |
1279 | else |
1012 | #endif |
1280 | #endif |
1013 | { |
1281 | { |
1014 | rt_now = ev_time (); |
1282 | ev_rt_now = ev_time (); |
1015 | mn_now = rt_now; |
1283 | mn_now = ev_rt_now; |
1016 | } |
1284 | } |
1017 | |
1285 | |
1018 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
1286 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
1019 | block = 0.; |
1287 | block = 0.; |
1020 | else |
1288 | else |
1021 | { |
1289 | { |
1022 | block = MAX_BLOCKTIME; |
1290 | block = MAX_BLOCKTIME; |
1023 | |
1291 | |
1024 | if (timercnt) |
1292 | if (timercnt) |
1025 | { |
1293 | { |
1026 | ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge; |
1294 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
1027 | if (block > to) block = to; |
1295 | if (block > to) block = to; |
1028 | } |
1296 | } |
1029 | |
1297 | |
|
|
1298 | #if EV_PERIODICS |
1030 | if (periodiccnt) |
1299 | if (periodiccnt) |
1031 | { |
1300 | { |
1032 | ev_tstamp to = ((WT)periodics [0])->at - rt_now + method_fudge; |
1301 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
1033 | if (block > to) block = to; |
1302 | if (block > to) block = to; |
1034 | } |
1303 | } |
|
|
1304 | #endif |
1035 | |
1305 | |
1036 | if (block < 0.) block = 0.; |
1306 | if (expect_false (block < 0.)) block = 0.; |
1037 | } |
1307 | } |
1038 | |
1308 | |
1039 | method_poll (EV_A_ block); |
1309 | backend_poll (EV_A_ block); |
1040 | |
1310 | |
1041 | /* update rt_now, do magic */ |
1311 | /* update ev_rt_now, do magic */ |
1042 | time_update (EV_A); |
1312 | time_update (EV_A); |
1043 | |
1313 | |
1044 | /* queue pending timers and reschedule them */ |
1314 | /* queue pending timers and reschedule them */ |
1045 | timers_reify (EV_A); /* relative timers called last */ |
1315 | timers_reify (EV_A); /* relative timers called last */ |
|
|
1316 | #if EV_PERIODICS |
1046 | periodics_reify (EV_A); /* absolute timers called first */ |
1317 | periodics_reify (EV_A); /* absolute timers called first */ |
|
|
1318 | #endif |
1047 | |
1319 | |
1048 | /* queue idle watchers unless io or timers are pending */ |
1320 | /* queue idle watchers unless io or timers are pending */ |
1049 | if (!pendingcnt) |
1321 | if (idlecnt && !any_pending (EV_A)) |
1050 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1322 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1051 | |
1323 | |
1052 | /* queue check watchers, to be executed first */ |
1324 | /* queue check watchers, to be executed first */ |
1053 | if (checkcnt) |
1325 | if (expect_false (checkcnt)) |
1054 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1326 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1055 | |
1327 | |
1056 | call_pending (EV_A); |
1328 | call_pending (EV_A); |
|
|
1329 | |
|
|
1330 | if (expect_false (loop_done)) |
|
|
1331 | break; |
1057 | } |
1332 | } |
1058 | while (activecnt && !loop_done); |
|
|
1059 | |
1333 | |
1060 | if (loop_done != 2) |
1334 | if (loop_done != 2) |
1061 | loop_done = 0; |
1335 | loop_done = 0; |
1062 | } |
1336 | } |
1063 | |
1337 | |
… | |
… | |
1123 | void |
1397 | void |
1124 | ev_io_start (EV_P_ struct ev_io *w) |
1398 | ev_io_start (EV_P_ struct ev_io *w) |
1125 | { |
1399 | { |
1126 | int fd = w->fd; |
1400 | int fd = w->fd; |
1127 | |
1401 | |
1128 | if (ev_is_active (w)) |
1402 | if (expect_false (ev_is_active (w))) |
1129 | return; |
1403 | return; |
1130 | |
1404 | |
1131 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1405 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1132 | |
1406 | |
1133 | ev_start (EV_A_ (W)w, 1); |
1407 | ev_start (EV_A_ (W)w, 1); |
1134 | array_needsize (anfds, anfdmax, fd + 1, anfds_init); |
1408 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
1135 | wlist_add ((WL *)&anfds[fd].head, (WL)w); |
1409 | wlist_add ((WL *)&anfds[fd].head, (WL)w); |
1136 | |
1410 | |
1137 | fd_change (EV_A_ fd); |
1411 | fd_change (EV_A_ fd); |
1138 | } |
1412 | } |
1139 | |
1413 | |
1140 | void |
1414 | void |
1141 | ev_io_stop (EV_P_ struct ev_io *w) |
1415 | ev_io_stop (EV_P_ struct ev_io *w) |
1142 | { |
1416 | { |
1143 | ev_clear_pending (EV_A_ (W)w); |
1417 | ev_clear_pending (EV_A_ (W)w); |
1144 | if (!ev_is_active (w)) |
1418 | if (expect_false (!ev_is_active (w))) |
1145 | return; |
1419 | return; |
|
|
1420 | |
|
|
1421 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1146 | |
1422 | |
1147 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
1423 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
1148 | ev_stop (EV_A_ (W)w); |
1424 | ev_stop (EV_A_ (W)w); |
1149 | |
1425 | |
1150 | fd_change (EV_A_ w->fd); |
1426 | fd_change (EV_A_ w->fd); |
1151 | } |
1427 | } |
1152 | |
1428 | |
1153 | void |
1429 | void |
1154 | ev_timer_start (EV_P_ struct ev_timer *w) |
1430 | ev_timer_start (EV_P_ struct ev_timer *w) |
1155 | { |
1431 | { |
1156 | if (ev_is_active (w)) |
1432 | if (expect_false (ev_is_active (w))) |
1157 | return; |
1433 | return; |
1158 | |
1434 | |
1159 | ((WT)w)->at += mn_now; |
1435 | ((WT)w)->at += mn_now; |
1160 | |
1436 | |
1161 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1437 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1162 | |
1438 | |
1163 | ev_start (EV_A_ (W)w, ++timercnt); |
1439 | ev_start (EV_A_ (W)w, ++timercnt); |
1164 | array_needsize (timers, timermax, timercnt, ); |
1440 | array_needsize (struct ev_timer *, timers, timermax, timercnt, EMPTY2); |
1165 | timers [timercnt - 1] = w; |
1441 | timers [timercnt - 1] = w; |
1166 | upheap ((WT *)timers, timercnt - 1); |
1442 | upheap ((WT *)timers, timercnt - 1); |
1167 | |
1443 | |
1168 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1444 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1169 | } |
1445 | } |
1170 | |
1446 | |
1171 | void |
1447 | void |
1172 | ev_timer_stop (EV_P_ struct ev_timer *w) |
1448 | ev_timer_stop (EV_P_ struct ev_timer *w) |
1173 | { |
1449 | { |
1174 | ev_clear_pending (EV_A_ (W)w); |
1450 | ev_clear_pending (EV_A_ (W)w); |
1175 | if (!ev_is_active (w)) |
1451 | if (expect_false (!ev_is_active (w))) |
1176 | return; |
1452 | return; |
1177 | |
1453 | |
1178 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1454 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1179 | |
1455 | |
1180 | if (((W)w)->active < timercnt--) |
1456 | if (expect_true (((W)w)->active < timercnt--)) |
1181 | { |
1457 | { |
1182 | timers [((W)w)->active - 1] = timers [timercnt]; |
1458 | timers [((W)w)->active - 1] = timers [timercnt]; |
1183 | downheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1459 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1184 | } |
1460 | } |
1185 | |
1461 | |
1186 | ((WT)w)->at = w->repeat; |
1462 | ((WT)w)->at -= mn_now; |
1187 | |
1463 | |
1188 | ev_stop (EV_A_ (W)w); |
1464 | ev_stop (EV_A_ (W)w); |
1189 | } |
1465 | } |
1190 | |
1466 | |
1191 | void |
1467 | void |
… | |
… | |
1194 | if (ev_is_active (w)) |
1470 | if (ev_is_active (w)) |
1195 | { |
1471 | { |
1196 | if (w->repeat) |
1472 | if (w->repeat) |
1197 | { |
1473 | { |
1198 | ((WT)w)->at = mn_now + w->repeat; |
1474 | ((WT)w)->at = mn_now + w->repeat; |
1199 | downheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1475 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1200 | } |
1476 | } |
1201 | else |
1477 | else |
1202 | ev_timer_stop (EV_A_ w); |
1478 | ev_timer_stop (EV_A_ w); |
1203 | } |
1479 | } |
1204 | else if (w->repeat) |
1480 | else if (w->repeat) |
|
|
1481 | { |
|
|
1482 | w->at = w->repeat; |
1205 | ev_timer_start (EV_A_ w); |
1483 | ev_timer_start (EV_A_ w); |
|
|
1484 | } |
1206 | } |
1485 | } |
1207 | |
1486 | |
|
|
1487 | #if EV_PERIODICS |
1208 | void |
1488 | void |
1209 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
1489 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
1210 | { |
1490 | { |
1211 | if (ev_is_active (w)) |
1491 | if (expect_false (ev_is_active (w))) |
1212 | return; |
1492 | return; |
1213 | |
1493 | |
|
|
1494 | if (w->reschedule_cb) |
|
|
1495 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
|
|
1496 | else if (w->interval) |
|
|
1497 | { |
1214 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1498 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1215 | |
|
|
1216 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1499 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1217 | if (w->interval) |
|
|
1218 | ((WT)w)->at += ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1500 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
|
|
1501 | } |
1219 | |
1502 | |
1220 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1503 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1221 | array_needsize (periodics, periodicmax, periodiccnt, ); |
1504 | array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); |
1222 | periodics [periodiccnt - 1] = w; |
1505 | periodics [periodiccnt - 1] = w; |
1223 | upheap ((WT *)periodics, periodiccnt - 1); |
1506 | upheap ((WT *)periodics, periodiccnt - 1); |
1224 | |
1507 | |
1225 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1508 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1226 | } |
1509 | } |
1227 | |
1510 | |
1228 | void |
1511 | void |
1229 | ev_periodic_stop (EV_P_ struct ev_periodic *w) |
1512 | ev_periodic_stop (EV_P_ struct ev_periodic *w) |
1230 | { |
1513 | { |
1231 | ev_clear_pending (EV_A_ (W)w); |
1514 | ev_clear_pending (EV_A_ (W)w); |
1232 | if (!ev_is_active (w)) |
1515 | if (expect_false (!ev_is_active (w))) |
1233 | return; |
1516 | return; |
1234 | |
1517 | |
1235 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1518 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1236 | |
1519 | |
1237 | if (((W)w)->active < periodiccnt--) |
1520 | if (expect_true (((W)w)->active < periodiccnt--)) |
1238 | { |
1521 | { |
1239 | periodics [((W)w)->active - 1] = periodics [periodiccnt]; |
1522 | periodics [((W)w)->active - 1] = periodics [periodiccnt]; |
1240 | downheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); |
1523 | adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); |
1241 | } |
1524 | } |
1242 | |
1525 | |
1243 | ev_stop (EV_A_ (W)w); |
1526 | ev_stop (EV_A_ (W)w); |
1244 | } |
1527 | } |
1245 | |
1528 | |
1246 | void |
1529 | void |
|
|
1530 | ev_periodic_again (EV_P_ struct ev_periodic *w) |
|
|
1531 | { |
|
|
1532 | /* TODO: use adjustheap and recalculation */ |
|
|
1533 | ev_periodic_stop (EV_A_ w); |
|
|
1534 | ev_periodic_start (EV_A_ w); |
|
|
1535 | } |
|
|
1536 | #endif |
|
|
1537 | |
|
|
1538 | void |
1247 | ev_idle_start (EV_P_ struct ev_idle *w) |
1539 | ev_idle_start (EV_P_ struct ev_idle *w) |
1248 | { |
1540 | { |
1249 | if (ev_is_active (w)) |
1541 | if (expect_false (ev_is_active (w))) |
1250 | return; |
1542 | return; |
1251 | |
1543 | |
1252 | ev_start (EV_A_ (W)w, ++idlecnt); |
1544 | ev_start (EV_A_ (W)w, ++idlecnt); |
1253 | array_needsize (idles, idlemax, idlecnt, ); |
1545 | array_needsize (struct ev_idle *, idles, idlemax, idlecnt, EMPTY2); |
1254 | idles [idlecnt - 1] = w; |
1546 | idles [idlecnt - 1] = w; |
1255 | } |
1547 | } |
1256 | |
1548 | |
1257 | void |
1549 | void |
1258 | ev_idle_stop (EV_P_ struct ev_idle *w) |
1550 | ev_idle_stop (EV_P_ struct ev_idle *w) |
1259 | { |
1551 | { |
1260 | ev_clear_pending (EV_A_ (W)w); |
1552 | ev_clear_pending (EV_A_ (W)w); |
1261 | if (ev_is_active (w)) |
1553 | if (expect_false (!ev_is_active (w))) |
1262 | return; |
1554 | return; |
1263 | |
1555 | |
1264 | idles [((W)w)->active - 1] = idles [--idlecnt]; |
1556 | idles [((W)w)->active - 1] = idles [--idlecnt]; |
1265 | ev_stop (EV_A_ (W)w); |
1557 | ev_stop (EV_A_ (W)w); |
1266 | } |
1558 | } |
1267 | |
1559 | |
1268 | void |
1560 | void |
1269 | ev_prepare_start (EV_P_ struct ev_prepare *w) |
1561 | ev_prepare_start (EV_P_ struct ev_prepare *w) |
1270 | { |
1562 | { |
1271 | if (ev_is_active (w)) |
1563 | if (expect_false (ev_is_active (w))) |
1272 | return; |
1564 | return; |
1273 | |
1565 | |
1274 | ev_start (EV_A_ (W)w, ++preparecnt); |
1566 | ev_start (EV_A_ (W)w, ++preparecnt); |
1275 | array_needsize (prepares, preparemax, preparecnt, ); |
1567 | array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
1276 | prepares [preparecnt - 1] = w; |
1568 | prepares [preparecnt - 1] = w; |
1277 | } |
1569 | } |
1278 | |
1570 | |
1279 | void |
1571 | void |
1280 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
1572 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
1281 | { |
1573 | { |
1282 | ev_clear_pending (EV_A_ (W)w); |
1574 | ev_clear_pending (EV_A_ (W)w); |
1283 | if (ev_is_active (w)) |
1575 | if (expect_false (!ev_is_active (w))) |
1284 | return; |
1576 | return; |
1285 | |
1577 | |
1286 | prepares [((W)w)->active - 1] = prepares [--preparecnt]; |
1578 | prepares [((W)w)->active - 1] = prepares [--preparecnt]; |
1287 | ev_stop (EV_A_ (W)w); |
1579 | ev_stop (EV_A_ (W)w); |
1288 | } |
1580 | } |
1289 | |
1581 | |
1290 | void |
1582 | void |
1291 | ev_check_start (EV_P_ struct ev_check *w) |
1583 | ev_check_start (EV_P_ struct ev_check *w) |
1292 | { |
1584 | { |
1293 | if (ev_is_active (w)) |
1585 | if (expect_false (ev_is_active (w))) |
1294 | return; |
1586 | return; |
1295 | |
1587 | |
1296 | ev_start (EV_A_ (W)w, ++checkcnt); |
1588 | ev_start (EV_A_ (W)w, ++checkcnt); |
1297 | array_needsize (checks, checkmax, checkcnt, ); |
1589 | array_needsize (struct ev_check *, checks, checkmax, checkcnt, EMPTY2); |
1298 | checks [checkcnt - 1] = w; |
1590 | checks [checkcnt - 1] = w; |
1299 | } |
1591 | } |
1300 | |
1592 | |
1301 | void |
1593 | void |
1302 | ev_check_stop (EV_P_ struct ev_check *w) |
1594 | ev_check_stop (EV_P_ struct ev_check *w) |
1303 | { |
1595 | { |
1304 | ev_clear_pending (EV_A_ (W)w); |
1596 | ev_clear_pending (EV_A_ (W)w); |
1305 | if (ev_is_active (w)) |
1597 | if (expect_false (!ev_is_active (w))) |
1306 | return; |
1598 | return; |
1307 | |
1599 | |
1308 | checks [((W)w)->active - 1] = checks [--checkcnt]; |
1600 | checks [((W)w)->active - 1] = checks [--checkcnt]; |
1309 | ev_stop (EV_A_ (W)w); |
1601 | ev_stop (EV_A_ (W)w); |
1310 | } |
1602 | } |
… | |
… | |
1315 | |
1607 | |
1316 | void |
1608 | void |
1317 | ev_signal_start (EV_P_ struct ev_signal *w) |
1609 | ev_signal_start (EV_P_ struct ev_signal *w) |
1318 | { |
1610 | { |
1319 | #if EV_MULTIPLICITY |
1611 | #if EV_MULTIPLICITY |
1320 | assert (("signal watchers are only supported in the default loop", loop == default_loop)); |
1612 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1321 | #endif |
1613 | #endif |
1322 | if (ev_is_active (w)) |
1614 | if (expect_false (ev_is_active (w))) |
1323 | return; |
1615 | return; |
1324 | |
1616 | |
1325 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1617 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1326 | |
1618 | |
1327 | ev_start (EV_A_ (W)w, 1); |
1619 | ev_start (EV_A_ (W)w, 1); |
1328 | array_needsize (signals, signalmax, w->signum, signals_init); |
1620 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
1329 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1621 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1330 | |
1622 | |
1331 | if (!((WL)w)->next) |
1623 | if (!((WL)w)->next) |
1332 | { |
1624 | { |
1333 | #if WIN32 |
1625 | #if _WIN32 |
1334 | signal (w->signum, sighandler); |
1626 | signal (w->signum, sighandler); |
1335 | #else |
1627 | #else |
1336 | struct sigaction sa; |
1628 | struct sigaction sa; |
1337 | sa.sa_handler = sighandler; |
1629 | sa.sa_handler = sighandler; |
1338 | sigfillset (&sa.sa_mask); |
1630 | sigfillset (&sa.sa_mask); |
… | |
… | |
1344 | |
1636 | |
1345 | void |
1637 | void |
1346 | ev_signal_stop (EV_P_ struct ev_signal *w) |
1638 | ev_signal_stop (EV_P_ struct ev_signal *w) |
1347 | { |
1639 | { |
1348 | ev_clear_pending (EV_A_ (W)w); |
1640 | ev_clear_pending (EV_A_ (W)w); |
1349 | if (!ev_is_active (w)) |
1641 | if (expect_false (!ev_is_active (w))) |
1350 | return; |
1642 | return; |
1351 | |
1643 | |
1352 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
1644 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
1353 | ev_stop (EV_A_ (W)w); |
1645 | ev_stop (EV_A_ (W)w); |
1354 | |
1646 | |
… | |
… | |
1358 | |
1650 | |
1359 | void |
1651 | void |
1360 | ev_child_start (EV_P_ struct ev_child *w) |
1652 | ev_child_start (EV_P_ struct ev_child *w) |
1361 | { |
1653 | { |
1362 | #if EV_MULTIPLICITY |
1654 | #if EV_MULTIPLICITY |
1363 | assert (("child watchers are only supported in the default loop", loop == default_loop)); |
1655 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1364 | #endif |
1656 | #endif |
1365 | if (ev_is_active (w)) |
1657 | if (expect_false (ev_is_active (w))) |
1366 | return; |
1658 | return; |
1367 | |
1659 | |
1368 | ev_start (EV_A_ (W)w, 1); |
1660 | ev_start (EV_A_ (W)w, 1); |
1369 | wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1661 | wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1370 | } |
1662 | } |
1371 | |
1663 | |
1372 | void |
1664 | void |
1373 | ev_child_stop (EV_P_ struct ev_child *w) |
1665 | ev_child_stop (EV_P_ struct ev_child *w) |
1374 | { |
1666 | { |
1375 | ev_clear_pending (EV_A_ (W)w); |
1667 | ev_clear_pending (EV_A_ (W)w); |
1376 | if (ev_is_active (w)) |
1668 | if (expect_false (!ev_is_active (w))) |
1377 | return; |
1669 | return; |
1378 | |
1670 | |
1379 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1671 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1380 | ev_stop (EV_A_ (W)w); |
1672 | ev_stop (EV_A_ (W)w); |
1381 | } |
1673 | } |
|
|
1674 | |
|
|
1675 | #if EV_MULTIPLICITY |
|
|
1676 | static void |
|
|
1677 | embed_cb (EV_P_ struct ev_io *io, int revents) |
|
|
1678 | { |
|
|
1679 | struct ev_embed *w = (struct ev_embed *)(((char *)io) - offsetof (struct ev_embed, io)); |
|
|
1680 | |
|
|
1681 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
|
|
1682 | ev_loop (w->loop, EVLOOP_NONBLOCK); |
|
|
1683 | } |
|
|
1684 | |
|
|
1685 | void |
|
|
1686 | ev_embed_start (EV_P_ struct ev_embed *w) |
|
|
1687 | { |
|
|
1688 | if (expect_false (ev_is_active (w))) |
|
|
1689 | return; |
|
|
1690 | |
|
|
1691 | { |
|
|
1692 | struct ev_loop *loop = w->loop; |
|
|
1693 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
|
|
1694 | ev_io_init (&w->io, embed_cb, backend_fd, EV_READ); |
|
|
1695 | } |
|
|
1696 | |
|
|
1697 | ev_io_start (EV_A_ &w->io); |
|
|
1698 | ev_start (EV_A_ (W)w, 1); |
|
|
1699 | } |
|
|
1700 | |
|
|
1701 | void |
|
|
1702 | ev_embed_stop (EV_P_ struct ev_embed *w) |
|
|
1703 | { |
|
|
1704 | ev_clear_pending (EV_A_ (W)w); |
|
|
1705 | if (expect_false (!ev_is_active (w))) |
|
|
1706 | return; |
|
|
1707 | |
|
|
1708 | ev_io_stop (EV_A_ &w->io); |
|
|
1709 | ev_stop (EV_A_ (W)w); |
|
|
1710 | } |
|
|
1711 | #endif |
1382 | |
1712 | |
1383 | /*****************************************************************************/ |
1713 | /*****************************************************************************/ |
1384 | |
1714 | |
1385 | struct ev_once |
1715 | struct ev_once |
1386 | { |
1716 | { |
… | |
… | |
1396 | void (*cb)(int revents, void *arg) = once->cb; |
1726 | void (*cb)(int revents, void *arg) = once->cb; |
1397 | void *arg = once->arg; |
1727 | void *arg = once->arg; |
1398 | |
1728 | |
1399 | ev_io_stop (EV_A_ &once->io); |
1729 | ev_io_stop (EV_A_ &once->io); |
1400 | ev_timer_stop (EV_A_ &once->to); |
1730 | ev_timer_stop (EV_A_ &once->to); |
1401 | free (once); |
1731 | ev_free (once); |
1402 | |
1732 | |
1403 | cb (revents, arg); |
1733 | cb (revents, arg); |
1404 | } |
1734 | } |
1405 | |
1735 | |
1406 | static void |
1736 | static void |
… | |
… | |
1416 | } |
1746 | } |
1417 | |
1747 | |
1418 | void |
1748 | void |
1419 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
1749 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
1420 | { |
1750 | { |
1421 | struct ev_once *once = malloc (sizeof (struct ev_once)); |
1751 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
1422 | |
1752 | |
1423 | if (!once) |
1753 | if (expect_false (!once)) |
|
|
1754 | { |
1424 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
1755 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
1425 | else |
1756 | return; |
1426 | { |
1757 | } |
|
|
1758 | |
1427 | once->cb = cb; |
1759 | once->cb = cb; |
1428 | once->arg = arg; |
1760 | once->arg = arg; |
1429 | |
1761 | |
1430 | ev_watcher_init (&once->io, once_cb_io); |
1762 | ev_init (&once->io, once_cb_io); |
1431 | if (fd >= 0) |
1763 | if (fd >= 0) |
1432 | { |
1764 | { |
1433 | ev_io_set (&once->io, fd, events); |
1765 | ev_io_set (&once->io, fd, events); |
1434 | ev_io_start (EV_A_ &once->io); |
1766 | ev_io_start (EV_A_ &once->io); |
1435 | } |
1767 | } |
1436 | |
1768 | |
1437 | ev_watcher_init (&once->to, once_cb_to); |
1769 | ev_init (&once->to, once_cb_to); |
1438 | if (timeout >= 0.) |
1770 | if (timeout >= 0.) |
1439 | { |
1771 | { |
1440 | ev_timer_set (&once->to, timeout, 0.); |
1772 | ev_timer_set (&once->to, timeout, 0.); |
1441 | ev_timer_start (EV_A_ &once->to); |
1773 | ev_timer_start (EV_A_ &once->to); |
1442 | } |
|
|
1443 | } |
1774 | } |
1444 | } |
1775 | } |
1445 | |
1776 | |
|
|
1777 | #ifdef __cplusplus |
|
|
1778 | } |
|
|
1779 | #endif |
|
|
1780 | |