… | |
… | |
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 |
|
|
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 |
53 | # endif |
105 | # endif |
54 | |
106 | |
55 | #endif |
107 | #endif |
56 | |
108 | |
57 | #include <math.h> |
109 | #include <math.h> |
… | |
… | |
66 | #include <sys/types.h> |
118 | #include <sys/types.h> |
67 | #include <time.h> |
119 | #include <time.h> |
68 | |
120 | |
69 | #include <signal.h> |
121 | #include <signal.h> |
70 | |
122 | |
71 | #ifndef WIN32 |
|
|
72 | # include <unistd.h> |
|
|
73 | # include <sys/time.h> |
|
|
74 | # include <sys/wait.h> |
|
|
75 | #endif |
|
|
76 | /**/ |
|
|
77 | |
|
|
78 | #ifndef EV_USE_MONOTONIC |
|
|
79 | # define EV_USE_MONOTONIC 1 |
|
|
80 | #endif |
|
|
81 | |
|
|
82 | #ifndef EV_USE_SELECT |
|
|
83 | # define EV_USE_SELECT 1 |
|
|
84 | #endif |
|
|
85 | |
|
|
86 | #ifndef EV_USE_POLL |
|
|
87 | # define EV_USE_POLL 0 /* poll is usually slower than select, and not as well tested */ |
|
|
88 | #endif |
|
|
89 | |
|
|
90 | #ifndef EV_USE_EPOLL |
|
|
91 | # define EV_USE_EPOLL 0 |
|
|
92 | #endif |
|
|
93 | |
|
|
94 | #ifndef EV_USE_KQUEUE |
|
|
95 | # define EV_USE_KQUEUE 0 |
|
|
96 | #endif |
|
|
97 | |
|
|
98 | #ifndef EV_USE_WIN32 |
|
|
99 | # ifdef WIN32 |
|
|
100 | # define EV_USE_WIN32 0 /* it does not exist, use select */ |
|
|
101 | # undef EV_USE_SELECT |
|
|
102 | # define EV_USE_SELECT 1 |
|
|
103 | # else |
|
|
104 | # define EV_USE_WIN32 0 |
|
|
105 | # endif |
|
|
106 | #endif |
|
|
107 | |
|
|
108 | #ifndef EV_USE_REALTIME |
|
|
109 | # define EV_USE_REALTIME 1 |
|
|
110 | #endif |
|
|
111 | |
|
|
112 | /**/ |
|
|
113 | |
|
|
114 | #ifndef CLOCK_MONOTONIC |
|
|
115 | # undef EV_USE_MONOTONIC |
|
|
116 | # define EV_USE_MONOTONIC 0 |
|
|
117 | #endif |
|
|
118 | |
|
|
119 | #ifndef CLOCK_REALTIME |
|
|
120 | # undef EV_USE_REALTIME |
|
|
121 | # define EV_USE_REALTIME 0 |
|
|
122 | #endif |
|
|
123 | |
|
|
124 | /**/ |
|
|
125 | |
|
|
126 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
|
|
127 | #define MAX_BLOCKTIME 59.731 /* never wait longer than this time (to detect time jumps) */ |
|
|
128 | #define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */ |
|
|
129 | /*#define CLEANUP_INTERVAL 300. /* how often to try to free memory and re-check fds */ |
|
|
130 | |
|
|
131 | #ifdef EV_H |
123 | #ifdef EV_H |
132 | # include EV_H |
124 | # include EV_H |
133 | #else |
125 | #else |
134 | # include "ev.h" |
126 | # include "ev.h" |
135 | #endif |
127 | #endif |
136 | |
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_SELECT_IS_WINSOCKET |
|
|
208 | # include <winsock.h> |
|
|
209 | #endif |
|
|
210 | |
|
|
211 | #if !EV_STAT_ENABLE |
|
|
212 | # define EV_USE_INOTIFY 0 |
|
|
213 | #endif |
|
|
214 | |
|
|
215 | #if EV_USE_INOTIFY |
|
|
216 | # include <sys/inotify.h> |
|
|
217 | #endif |
|
|
218 | |
|
|
219 | /**/ |
|
|
220 | |
|
|
221 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
|
|
222 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
|
|
223 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds */ |
|
|
224 | |
137 | #if __GNUC__ >= 3 |
225 | #if __GNUC__ >= 3 |
138 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
226 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
139 | # define inline inline |
227 | # define noinline __attribute__ ((noinline)) |
140 | #else |
228 | #else |
141 | # define expect(expr,value) (expr) |
229 | # define expect(expr,value) (expr) |
142 | # define inline static |
230 | # define noinline |
|
|
231 | # if __STDC_VERSION__ < 199901L |
|
|
232 | # define inline |
|
|
233 | # endif |
143 | #endif |
234 | #endif |
144 | |
235 | |
145 | #define expect_false(expr) expect ((expr) != 0, 0) |
236 | #define expect_false(expr) expect ((expr) != 0, 0) |
146 | #define expect_true(expr) expect ((expr) != 0, 1) |
237 | #define expect_true(expr) expect ((expr) != 0, 1) |
|
|
238 | #define inline_size static inline |
|
|
239 | |
|
|
240 | #if EV_MINIMAL |
|
|
241 | # define inline_speed static noinline |
|
|
242 | #else |
|
|
243 | # define inline_speed static inline |
|
|
244 | #endif |
147 | |
245 | |
148 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
246 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
149 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
247 | #define ABSPRI(w) (((W)w)->priority - EV_MINPRI) |
150 | |
248 | |
|
|
249 | #define EMPTY /* required for microsofts broken pseudo-c compiler */ |
|
|
250 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
|
|
251 | |
151 | typedef struct ev_watcher *W; |
252 | typedef ev_watcher *W; |
152 | typedef struct ev_watcher_list *WL; |
253 | typedef ev_watcher_list *WL; |
153 | typedef struct ev_watcher_time *WT; |
254 | typedef ev_watcher_time *WT; |
154 | |
255 | |
155 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
256 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
156 | |
257 | |
|
|
258 | #ifdef _WIN32 |
157 | #include "ev_win32.c" |
259 | # include "ev_win32.c" |
|
|
260 | #endif |
158 | |
261 | |
159 | /*****************************************************************************/ |
262 | /*****************************************************************************/ |
160 | |
263 | |
161 | static void (*syserr_cb)(const char *msg); |
264 | static void (*syserr_cb)(const char *msg); |
162 | |
265 | |
|
|
266 | void |
163 | void ev_set_syserr_cb (void (*cb)(const char *msg)) |
267 | ev_set_syserr_cb (void (*cb)(const char *msg)) |
164 | { |
268 | { |
165 | syserr_cb = cb; |
269 | syserr_cb = cb; |
166 | } |
270 | } |
167 | |
271 | |
168 | static void |
272 | static void noinline |
169 | syserr (const char *msg) |
273 | syserr (const char *msg) |
170 | { |
274 | { |
171 | if (!msg) |
275 | if (!msg) |
172 | msg = "(libev) system error"; |
276 | msg = "(libev) system error"; |
173 | |
277 | |
… | |
… | |
180 | } |
284 | } |
181 | } |
285 | } |
182 | |
286 | |
183 | static void *(*alloc)(void *ptr, long size); |
287 | static void *(*alloc)(void *ptr, long size); |
184 | |
288 | |
|
|
289 | void |
185 | void ev_set_allocator (void *(*cb)(void *ptr, long size)) |
290 | ev_set_allocator (void *(*cb)(void *ptr, long size)) |
186 | { |
291 | { |
187 | alloc = cb; |
292 | alloc = cb; |
188 | } |
293 | } |
189 | |
294 | |
190 | static void * |
295 | inline_speed void * |
191 | ev_realloc (void *ptr, long size) |
296 | ev_realloc (void *ptr, long size) |
192 | { |
297 | { |
193 | ptr = alloc ? alloc (ptr, size) : realloc (ptr, size); |
298 | ptr = alloc ? alloc (ptr, size) : realloc (ptr, size); |
194 | |
299 | |
195 | if (!ptr && size) |
300 | if (!ptr && size) |
… | |
… | |
209 | typedef struct |
314 | typedef struct |
210 | { |
315 | { |
211 | WL head; |
316 | WL head; |
212 | unsigned char events; |
317 | unsigned char events; |
213 | unsigned char reify; |
318 | unsigned char reify; |
|
|
319 | #if EV_SELECT_IS_WINSOCKET |
|
|
320 | SOCKET handle; |
|
|
321 | #endif |
214 | } ANFD; |
322 | } ANFD; |
215 | |
323 | |
216 | typedef struct |
324 | typedef struct |
217 | { |
325 | { |
218 | W w; |
326 | W w; |
219 | int events; |
327 | int events; |
220 | } ANPENDING; |
328 | } ANPENDING; |
221 | |
329 | |
|
|
330 | #if EV_USE_INOTIFY |
|
|
331 | typedef struct |
|
|
332 | { |
|
|
333 | WL head; |
|
|
334 | } ANFS; |
|
|
335 | #endif |
|
|
336 | |
222 | #if EV_MULTIPLICITY |
337 | #if EV_MULTIPLICITY |
223 | |
338 | |
224 | struct ev_loop |
339 | struct ev_loop |
225 | { |
340 | { |
|
|
341 | ev_tstamp ev_rt_now; |
|
|
342 | #define ev_rt_now ((loop)->ev_rt_now) |
226 | #define VAR(name,decl) decl; |
343 | #define VAR(name,decl) decl; |
227 | #include "ev_vars.h" |
344 | #include "ev_vars.h" |
228 | #undef VAR |
345 | #undef VAR |
229 | }; |
346 | }; |
230 | #include "ev_wrap.h" |
347 | #include "ev_wrap.h" |
231 | |
348 | |
232 | struct ev_loop default_loop_struct; |
349 | static struct ev_loop default_loop_struct; |
233 | static struct ev_loop *default_loop; |
350 | struct ev_loop *ev_default_loop_ptr; |
234 | |
351 | |
235 | #else |
352 | #else |
236 | |
353 | |
|
|
354 | ev_tstamp ev_rt_now; |
237 | #define VAR(name,decl) static decl; |
355 | #define VAR(name,decl) static decl; |
238 | #include "ev_vars.h" |
356 | #include "ev_vars.h" |
239 | #undef VAR |
357 | #undef VAR |
240 | |
358 | |
241 | static int default_loop; |
359 | static int ev_default_loop_ptr; |
242 | |
360 | |
243 | #endif |
361 | #endif |
244 | |
362 | |
245 | /*****************************************************************************/ |
363 | /*****************************************************************************/ |
246 | |
364 | |
247 | inline ev_tstamp |
365 | ev_tstamp |
248 | ev_time (void) |
366 | ev_time (void) |
249 | { |
367 | { |
250 | #if EV_USE_REALTIME |
368 | #if EV_USE_REALTIME |
251 | struct timespec ts; |
369 | struct timespec ts; |
252 | clock_gettime (CLOCK_REALTIME, &ts); |
370 | clock_gettime (CLOCK_REALTIME, &ts); |
… | |
… | |
256 | gettimeofday (&tv, 0); |
374 | gettimeofday (&tv, 0); |
257 | return tv.tv_sec + tv.tv_usec * 1e-6; |
375 | return tv.tv_sec + tv.tv_usec * 1e-6; |
258 | #endif |
376 | #endif |
259 | } |
377 | } |
260 | |
378 | |
261 | inline ev_tstamp |
379 | ev_tstamp inline_size |
262 | get_clock (void) |
380 | get_clock (void) |
263 | { |
381 | { |
264 | #if EV_USE_MONOTONIC |
382 | #if EV_USE_MONOTONIC |
265 | if (expect_true (have_monotonic)) |
383 | if (expect_true (have_monotonic)) |
266 | { |
384 | { |
… | |
… | |
271 | #endif |
389 | #endif |
272 | |
390 | |
273 | return ev_time (); |
391 | return ev_time (); |
274 | } |
392 | } |
275 | |
393 | |
|
|
394 | #if EV_MULTIPLICITY |
276 | ev_tstamp |
395 | ev_tstamp |
277 | ev_now (EV_P) |
396 | ev_now (EV_P) |
278 | { |
397 | { |
279 | return rt_now; |
398 | return ev_rt_now; |
280 | } |
399 | } |
|
|
400 | #endif |
281 | |
401 | |
282 | #define array_roundsize(type,n) ((n) | 4 & ~3) |
402 | int inline_size |
|
|
403 | array_nextsize (int elem, int cur, int cnt) |
|
|
404 | { |
|
|
405 | int ncur = cur + 1; |
|
|
406 | |
|
|
407 | do |
|
|
408 | ncur <<= 1; |
|
|
409 | while (cnt > ncur); |
|
|
410 | |
|
|
411 | /* if size > 4096, round to 4096 - 4 * longs to accomodate malloc overhead */ |
|
|
412 | if (elem * ncur > 4096) |
|
|
413 | { |
|
|
414 | ncur *= elem; |
|
|
415 | ncur = (ncur + elem + 4095 + sizeof (void *) * 4) & ~4095; |
|
|
416 | ncur = ncur - sizeof (void *) * 4; |
|
|
417 | ncur /= elem; |
|
|
418 | } |
|
|
419 | |
|
|
420 | return ncur; |
|
|
421 | } |
|
|
422 | |
|
|
423 | static noinline void * |
|
|
424 | array_realloc (int elem, void *base, int *cur, int cnt) |
|
|
425 | { |
|
|
426 | *cur = array_nextsize (elem, *cur, cnt); |
|
|
427 | return ev_realloc (base, elem * *cur); |
|
|
428 | } |
283 | |
429 | |
284 | #define array_needsize(type,base,cur,cnt,init) \ |
430 | #define array_needsize(type,base,cur,cnt,init) \ |
285 | if (expect_false ((cnt) > cur)) \ |
431 | if (expect_false ((cnt) > (cur))) \ |
286 | { \ |
432 | { \ |
287 | int newcnt = cur; \ |
433 | int ocur_ = (cur); \ |
288 | do \ |
434 | (base) = (type *)array_realloc \ |
289 | { \ |
435 | (sizeof (type), (base), &(cur), (cnt)); \ |
290 | newcnt = array_roundsize (type, newcnt << 1); \ |
436 | init ((base) + (ocur_), (cur) - ocur_); \ |
291 | } \ |
|
|
292 | while ((cnt) > newcnt); \ |
|
|
293 | \ |
|
|
294 | base = (type *)ev_realloc (base, sizeof (type) * (newcnt));\ |
|
|
295 | init (base + cur, newcnt - cur); \ |
|
|
296 | cur = newcnt; \ |
|
|
297 | } |
437 | } |
298 | |
438 | |
|
|
439 | #if 0 |
299 | #define array_slim(type,stem) \ |
440 | #define array_slim(type,stem) \ |
300 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
441 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
301 | { \ |
442 | { \ |
302 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
443 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
303 | base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\ |
444 | base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\ |
304 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
445 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
305 | } |
446 | } |
306 | |
447 | #endif |
307 | /* microsoft's pseudo-c is quite far from C as the rest of the world and the standard knows it */ |
|
|
308 | /* bringing us everlasting joy in form of stupid extra macros that are not required in C */ |
|
|
309 | #define array_free_microshit(stem) \ |
|
|
310 | ev_free (stem ## s); stem ## cnt = stem ## max = 0; |
|
|
311 | |
448 | |
312 | #define array_free(stem, idx) \ |
449 | #define array_free(stem, idx) \ |
313 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
450 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
314 | |
451 | |
315 | /*****************************************************************************/ |
452 | /*****************************************************************************/ |
316 | |
453 | |
317 | static void |
454 | void noinline |
|
|
455 | ev_feed_event (EV_P_ void *w, int revents) |
|
|
456 | { |
|
|
457 | W w_ = (W)w; |
|
|
458 | int pri = ABSPRI (w_); |
|
|
459 | |
|
|
460 | if (expect_false (w_->pending)) |
|
|
461 | pendings [pri][w_->pending - 1].events |= revents; |
|
|
462 | else |
|
|
463 | { |
|
|
464 | w_->pending = ++pendingcnt [pri]; |
|
|
465 | array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2); |
|
|
466 | pendings [pri][w_->pending - 1].w = w_; |
|
|
467 | pendings [pri][w_->pending - 1].events = revents; |
|
|
468 | } |
|
|
469 | } |
|
|
470 | |
|
|
471 | void inline_size |
|
|
472 | queue_events (EV_P_ W *events, int eventcnt, int type) |
|
|
473 | { |
|
|
474 | int i; |
|
|
475 | |
|
|
476 | for (i = 0; i < eventcnt; ++i) |
|
|
477 | ev_feed_event (EV_A_ events [i], type); |
|
|
478 | } |
|
|
479 | |
|
|
480 | /*****************************************************************************/ |
|
|
481 | |
|
|
482 | void inline_size |
318 | anfds_init (ANFD *base, int count) |
483 | anfds_init (ANFD *base, int count) |
319 | { |
484 | { |
320 | while (count--) |
485 | while (count--) |
321 | { |
486 | { |
322 | base->head = 0; |
487 | base->head = 0; |
… | |
… | |
325 | |
490 | |
326 | ++base; |
491 | ++base; |
327 | } |
492 | } |
328 | } |
493 | } |
329 | |
494 | |
330 | void |
495 | void inline_speed |
331 | ev_feed_event (EV_P_ void *w, int revents) |
|
|
332 | { |
|
|
333 | W w_ = (W)w; |
|
|
334 | |
|
|
335 | if (w_->pending) |
|
|
336 | { |
|
|
337 | pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; |
|
|
338 | return; |
|
|
339 | } |
|
|
340 | |
|
|
341 | w_->pending = ++pendingcnt [ABSPRI (w_)]; |
|
|
342 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], (void)); |
|
|
343 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
|
|
344 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
|
|
345 | } |
|
|
346 | |
|
|
347 | static void |
|
|
348 | queue_events (EV_P_ W *events, int eventcnt, int type) |
|
|
349 | { |
|
|
350 | int i; |
|
|
351 | |
|
|
352 | for (i = 0; i < eventcnt; ++i) |
|
|
353 | ev_feed_event (EV_A_ events [i], type); |
|
|
354 | } |
|
|
355 | |
|
|
356 | inline void |
|
|
357 | fd_event (EV_P_ int fd, int revents) |
496 | fd_event (EV_P_ int fd, int revents) |
358 | { |
497 | { |
359 | ANFD *anfd = anfds + fd; |
498 | ANFD *anfd = anfds + fd; |
360 | struct ev_io *w; |
499 | ev_io *w; |
361 | |
500 | |
362 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
501 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
363 | { |
502 | { |
364 | int ev = w->events & revents; |
503 | int ev = w->events & revents; |
365 | |
504 | |
366 | if (ev) |
505 | if (ev) |
367 | ev_feed_event (EV_A_ (W)w, ev); |
506 | ev_feed_event (EV_A_ (W)w, ev); |
… | |
… | |
369 | } |
508 | } |
370 | |
509 | |
371 | void |
510 | void |
372 | ev_feed_fd_event (EV_P_ int fd, int revents) |
511 | ev_feed_fd_event (EV_P_ int fd, int revents) |
373 | { |
512 | { |
|
|
513 | if (fd >= 0 && fd < anfdmax) |
374 | fd_event (EV_A_ fd, revents); |
514 | fd_event (EV_A_ fd, revents); |
375 | } |
515 | } |
376 | |
516 | |
377 | /*****************************************************************************/ |
517 | void inline_size |
378 | |
|
|
379 | static void |
|
|
380 | fd_reify (EV_P) |
518 | fd_reify (EV_P) |
381 | { |
519 | { |
382 | int i; |
520 | int i; |
383 | |
521 | |
384 | for (i = 0; i < fdchangecnt; ++i) |
522 | for (i = 0; i < fdchangecnt; ++i) |
385 | { |
523 | { |
386 | int fd = fdchanges [i]; |
524 | int fd = fdchanges [i]; |
387 | ANFD *anfd = anfds + fd; |
525 | ANFD *anfd = anfds + fd; |
388 | struct ev_io *w; |
526 | ev_io *w; |
389 | |
527 | |
390 | int events = 0; |
528 | int events = 0; |
391 | |
529 | |
392 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
530 | for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next) |
393 | events |= w->events; |
531 | events |= w->events; |
394 | |
532 | |
|
|
533 | #if EV_SELECT_IS_WINSOCKET |
|
|
534 | if (events) |
|
|
535 | { |
|
|
536 | unsigned long argp; |
|
|
537 | anfd->handle = _get_osfhandle (fd); |
|
|
538 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
|
|
539 | } |
|
|
540 | #endif |
|
|
541 | |
395 | anfd->reify = 0; |
542 | anfd->reify = 0; |
396 | |
543 | |
397 | method_modify (EV_A_ fd, anfd->events, events); |
544 | backend_modify (EV_A_ fd, anfd->events, events); |
398 | anfd->events = events; |
545 | anfd->events = events; |
399 | } |
546 | } |
400 | |
547 | |
401 | fdchangecnt = 0; |
548 | fdchangecnt = 0; |
402 | } |
549 | } |
403 | |
550 | |
404 | static void |
551 | void inline_size |
405 | fd_change (EV_P_ int fd) |
552 | fd_change (EV_P_ int fd) |
406 | { |
553 | { |
407 | if (anfds [fd].reify) |
554 | if (expect_false (anfds [fd].reify)) |
408 | return; |
555 | return; |
409 | |
556 | |
410 | anfds [fd].reify = 1; |
557 | anfds [fd].reify = 1; |
411 | |
558 | |
412 | ++fdchangecnt; |
559 | ++fdchangecnt; |
413 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, (void)); |
560 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
414 | fdchanges [fdchangecnt - 1] = fd; |
561 | fdchanges [fdchangecnt - 1] = fd; |
415 | } |
562 | } |
416 | |
563 | |
417 | static void |
564 | void inline_speed |
418 | fd_kill (EV_P_ int fd) |
565 | fd_kill (EV_P_ int fd) |
419 | { |
566 | { |
420 | struct ev_io *w; |
567 | ev_io *w; |
421 | |
568 | |
422 | while ((w = (struct ev_io *)anfds [fd].head)) |
569 | while ((w = (ev_io *)anfds [fd].head)) |
423 | { |
570 | { |
424 | ev_io_stop (EV_A_ w); |
571 | ev_io_stop (EV_A_ w); |
425 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
572 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
426 | } |
573 | } |
427 | } |
574 | } |
428 | |
575 | |
429 | static int |
576 | int inline_size |
430 | fd_valid (int fd) |
577 | fd_valid (int fd) |
431 | { |
578 | { |
432 | #ifdef WIN32 |
579 | #ifdef _WIN32 |
433 | return !!win32_get_osfhandle (fd); |
580 | return _get_osfhandle (fd) != -1; |
434 | #else |
581 | #else |
435 | return fcntl (fd, F_GETFD) != -1; |
582 | return fcntl (fd, F_GETFD) != -1; |
436 | #endif |
583 | #endif |
437 | } |
584 | } |
438 | |
585 | |
439 | /* called on EBADF to verify fds */ |
586 | /* called on EBADF to verify fds */ |
440 | static void |
587 | static void noinline |
441 | fd_ebadf (EV_P) |
588 | fd_ebadf (EV_P) |
442 | { |
589 | { |
443 | int fd; |
590 | int fd; |
444 | |
591 | |
445 | for (fd = 0; fd < anfdmax; ++fd) |
592 | for (fd = 0; fd < anfdmax; ++fd) |
… | |
… | |
447 | if (!fd_valid (fd) == -1 && errno == EBADF) |
594 | if (!fd_valid (fd) == -1 && errno == EBADF) |
448 | fd_kill (EV_A_ fd); |
595 | fd_kill (EV_A_ fd); |
449 | } |
596 | } |
450 | |
597 | |
451 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
598 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
452 | static void |
599 | static void noinline |
453 | fd_enomem (EV_P) |
600 | fd_enomem (EV_P) |
454 | { |
601 | { |
455 | int fd; |
602 | int fd; |
456 | |
603 | |
457 | for (fd = anfdmax; fd--; ) |
604 | for (fd = anfdmax; fd--; ) |
… | |
… | |
460 | fd_kill (EV_A_ fd); |
607 | fd_kill (EV_A_ fd); |
461 | return; |
608 | return; |
462 | } |
609 | } |
463 | } |
610 | } |
464 | |
611 | |
465 | /* usually called after fork if method needs to re-arm all fds from scratch */ |
612 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
466 | static void |
613 | static void noinline |
467 | fd_rearm_all (EV_P) |
614 | fd_rearm_all (EV_P) |
468 | { |
615 | { |
469 | int fd; |
616 | int fd; |
470 | |
617 | |
471 | /* this should be highly optimised to not do anything but set a flag */ |
|
|
472 | for (fd = 0; fd < anfdmax; ++fd) |
618 | for (fd = 0; fd < anfdmax; ++fd) |
473 | if (anfds [fd].events) |
619 | if (anfds [fd].events) |
474 | { |
620 | { |
475 | anfds [fd].events = 0; |
621 | anfds [fd].events = 0; |
476 | fd_change (EV_A_ fd); |
622 | fd_change (EV_A_ fd); |
477 | } |
623 | } |
478 | } |
624 | } |
479 | |
625 | |
480 | /*****************************************************************************/ |
626 | /*****************************************************************************/ |
481 | |
627 | |
482 | static void |
628 | void inline_speed |
483 | upheap (WT *heap, int k) |
629 | upheap (WT *heap, int k) |
484 | { |
630 | { |
485 | WT w = heap [k]; |
631 | WT w = heap [k]; |
486 | |
632 | |
487 | while (k && heap [k >> 1]->at > w->at) |
633 | while (k && heap [k >> 1]->at > w->at) |
… | |
… | |
494 | heap [k] = w; |
640 | heap [k] = w; |
495 | ((W)heap [k])->active = k + 1; |
641 | ((W)heap [k])->active = k + 1; |
496 | |
642 | |
497 | } |
643 | } |
498 | |
644 | |
499 | static void |
645 | void inline_speed |
500 | downheap (WT *heap, int N, int k) |
646 | downheap (WT *heap, int N, int k) |
501 | { |
647 | { |
502 | WT w = heap [k]; |
648 | WT w = heap [k]; |
503 | |
649 | |
504 | while (k < (N >> 1)) |
650 | while (k < (N >> 1)) |
… | |
… | |
518 | |
664 | |
519 | heap [k] = w; |
665 | heap [k] = w; |
520 | ((W)heap [k])->active = k + 1; |
666 | ((W)heap [k])->active = k + 1; |
521 | } |
667 | } |
522 | |
668 | |
|
|
669 | void inline_size |
|
|
670 | adjustheap (WT *heap, int N, int k) |
|
|
671 | { |
|
|
672 | upheap (heap, k); |
|
|
673 | downheap (heap, N, k); |
|
|
674 | } |
|
|
675 | |
523 | /*****************************************************************************/ |
676 | /*****************************************************************************/ |
524 | |
677 | |
525 | typedef struct |
678 | typedef struct |
526 | { |
679 | { |
527 | WL head; |
680 | WL head; |
… | |
… | |
531 | static ANSIG *signals; |
684 | static ANSIG *signals; |
532 | static int signalmax; |
685 | static int signalmax; |
533 | |
686 | |
534 | static int sigpipe [2]; |
687 | static int sigpipe [2]; |
535 | static sig_atomic_t volatile gotsig; |
688 | static sig_atomic_t volatile gotsig; |
536 | static struct ev_io sigev; |
689 | static ev_io sigev; |
537 | |
690 | |
538 | static void |
691 | void inline_size |
539 | signals_init (ANSIG *base, int count) |
692 | signals_init (ANSIG *base, int count) |
540 | { |
693 | { |
541 | while (count--) |
694 | while (count--) |
542 | { |
695 | { |
543 | base->head = 0; |
696 | base->head = 0; |
… | |
… | |
548 | } |
701 | } |
549 | |
702 | |
550 | static void |
703 | static void |
551 | sighandler (int signum) |
704 | sighandler (int signum) |
552 | { |
705 | { |
553 | #if WIN32 |
706 | #if _WIN32 |
554 | signal (signum, sighandler); |
707 | signal (signum, sighandler); |
555 | #endif |
708 | #endif |
556 | |
709 | |
557 | signals [signum - 1].gotsig = 1; |
710 | signals [signum - 1].gotsig = 1; |
558 | |
711 | |
559 | if (!gotsig) |
712 | if (!gotsig) |
560 | { |
713 | { |
561 | int old_errno = errno; |
714 | int old_errno = errno; |
562 | gotsig = 1; |
715 | gotsig = 1; |
563 | #ifdef WIN32 |
|
|
564 | send (sigpipe [1], &signum, 1, MSG_DONTWAIT); |
|
|
565 | #else |
|
|
566 | write (sigpipe [1], &signum, 1); |
716 | write (sigpipe [1], &signum, 1); |
567 | #endif |
|
|
568 | errno = old_errno; |
717 | errno = old_errno; |
569 | } |
718 | } |
570 | } |
719 | } |
571 | |
720 | |
572 | void |
721 | void noinline |
573 | ev_feed_signal_event (EV_P_ int signum) |
722 | ev_feed_signal_event (EV_P_ int signum) |
574 | { |
723 | { |
575 | WL w; |
724 | WL w; |
576 | |
725 | |
577 | #if EV_MULTIPLICITY |
726 | #if EV_MULTIPLICITY |
578 | assert (("feeding signal events is only supported in the default loop", loop == default_loop)); |
727 | assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
579 | #endif |
728 | #endif |
580 | |
729 | |
581 | --signum; |
730 | --signum; |
582 | |
731 | |
583 | if (signum < 0 || signum >= signalmax) |
732 | if (signum < 0 || signum >= signalmax) |
… | |
… | |
588 | for (w = signals [signum].head; w; w = w->next) |
737 | for (w = signals [signum].head; w; w = w->next) |
589 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
738 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
590 | } |
739 | } |
591 | |
740 | |
592 | static void |
741 | static void |
593 | sigcb (EV_P_ struct ev_io *iow, int revents) |
742 | sigcb (EV_P_ ev_io *iow, int revents) |
594 | { |
743 | { |
595 | int signum; |
744 | int signum; |
596 | |
745 | |
597 | #ifdef WIN32 |
|
|
598 | recv (sigpipe [0], &revents, 1, MSG_DONTWAIT); |
|
|
599 | #else |
|
|
600 | read (sigpipe [0], &revents, 1); |
746 | read (sigpipe [0], &revents, 1); |
601 | #endif |
|
|
602 | gotsig = 0; |
747 | gotsig = 0; |
603 | |
748 | |
604 | for (signum = signalmax; signum--; ) |
749 | for (signum = signalmax; signum--; ) |
605 | if (signals [signum].gotsig) |
750 | if (signals [signum].gotsig) |
606 | ev_feed_signal_event (EV_A_ signum + 1); |
751 | ev_feed_signal_event (EV_A_ signum + 1); |
607 | } |
752 | } |
608 | |
753 | |
609 | static void |
754 | void inline_speed |
|
|
755 | fd_intern (int fd) |
|
|
756 | { |
|
|
757 | #ifdef _WIN32 |
|
|
758 | int arg = 1; |
|
|
759 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
|
|
760 | #else |
|
|
761 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
|
|
762 | fcntl (fd, F_SETFL, O_NONBLOCK); |
|
|
763 | #endif |
|
|
764 | } |
|
|
765 | |
|
|
766 | static void noinline |
610 | siginit (EV_P) |
767 | siginit (EV_P) |
611 | { |
768 | { |
612 | #ifndef WIN32 |
769 | fd_intern (sigpipe [0]); |
613 | fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC); |
770 | fd_intern (sigpipe [1]); |
614 | fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC); |
|
|
615 | |
|
|
616 | /* rather than sort out wether we really need nb, set it */ |
|
|
617 | fcntl (sigpipe [0], F_SETFL, O_NONBLOCK); |
|
|
618 | fcntl (sigpipe [1], F_SETFL, O_NONBLOCK); |
|
|
619 | #endif |
|
|
620 | |
771 | |
621 | ev_io_set (&sigev, sigpipe [0], EV_READ); |
772 | ev_io_set (&sigev, sigpipe [0], EV_READ); |
622 | ev_io_start (EV_A_ &sigev); |
773 | ev_io_start (EV_A_ &sigev); |
623 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
774 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
624 | } |
775 | } |
625 | |
776 | |
626 | /*****************************************************************************/ |
777 | /*****************************************************************************/ |
627 | |
778 | |
628 | static struct ev_child *childs [PID_HASHSIZE]; |
779 | static ev_child *childs [EV_PID_HASHSIZE]; |
629 | |
780 | |
630 | #ifndef WIN32 |
781 | #ifndef _WIN32 |
631 | |
782 | |
632 | static struct ev_signal childev; |
783 | static ev_signal childev; |
|
|
784 | |
|
|
785 | void inline_speed |
|
|
786 | child_reap (EV_P_ ev_signal *sw, int chain, int pid, int status) |
|
|
787 | { |
|
|
788 | ev_child *w; |
|
|
789 | |
|
|
790 | for (w = (ev_child *)childs [chain & (EV_PID_HASHSIZE - 1)]; w; w = (ev_child *)((WL)w)->next) |
|
|
791 | if (w->pid == pid || !w->pid) |
|
|
792 | { |
|
|
793 | ev_set_priority (w, ev_priority (sw)); /* need to do it *now* */ |
|
|
794 | w->rpid = pid; |
|
|
795 | w->rstatus = status; |
|
|
796 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
|
|
797 | } |
|
|
798 | } |
633 | |
799 | |
634 | #ifndef WCONTINUED |
800 | #ifndef WCONTINUED |
635 | # define WCONTINUED 0 |
801 | # define WCONTINUED 0 |
636 | #endif |
802 | #endif |
637 | |
803 | |
638 | static void |
804 | static void |
639 | child_reap (EV_P_ struct ev_signal *sw, int chain, int pid, int status) |
|
|
640 | { |
|
|
641 | struct ev_child *w; |
|
|
642 | |
|
|
643 | for (w = (struct ev_child *)childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child *)((WL)w)->next) |
|
|
644 | if (w->pid == pid || !w->pid) |
|
|
645 | { |
|
|
646 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
|
|
647 | w->rpid = pid; |
|
|
648 | w->rstatus = status; |
|
|
649 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
|
|
650 | } |
|
|
651 | } |
|
|
652 | |
|
|
653 | static void |
|
|
654 | childcb (EV_P_ struct ev_signal *sw, int revents) |
805 | childcb (EV_P_ ev_signal *sw, int revents) |
655 | { |
806 | { |
656 | int pid, status; |
807 | int pid, status; |
657 | |
808 | |
|
|
809 | /* some systems define WCONTINUED but then fail to support it (linux 2.4) */ |
658 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
810 | if (0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
659 | { |
811 | if (!WCONTINUED |
|
|
812 | || errno != EINVAL |
|
|
813 | || 0 >= (pid = waitpid (-1, &status, WNOHANG | WUNTRACED))) |
|
|
814 | return; |
|
|
815 | |
660 | /* make sure we are called again until all childs have been reaped */ |
816 | /* make sure we are called again until all childs have been reaped */ |
|
|
817 | /* we need to do it this way so that the callback gets called before we continue */ |
661 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
818 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
662 | |
819 | |
663 | child_reap (EV_A_ sw, pid, pid, status); |
820 | child_reap (EV_A_ sw, pid, pid, status); |
|
|
821 | if (EV_PID_HASHSIZE > 1) |
664 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */ |
822 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but feed_event catches that */ |
665 | } |
|
|
666 | } |
823 | } |
667 | |
824 | |
668 | #endif |
825 | #endif |
669 | |
826 | |
670 | /*****************************************************************************/ |
827 | /*****************************************************************************/ |
671 | |
828 | |
|
|
829 | #if EV_USE_PORT |
|
|
830 | # include "ev_port.c" |
|
|
831 | #endif |
672 | #if EV_USE_KQUEUE |
832 | #if EV_USE_KQUEUE |
673 | # include "ev_kqueue.c" |
833 | # include "ev_kqueue.c" |
674 | #endif |
834 | #endif |
675 | #if EV_USE_EPOLL |
835 | #if EV_USE_EPOLL |
676 | # include "ev_epoll.c" |
836 | # include "ev_epoll.c" |
… | |
… | |
693 | { |
853 | { |
694 | return EV_VERSION_MINOR; |
854 | return EV_VERSION_MINOR; |
695 | } |
855 | } |
696 | |
856 | |
697 | /* return true if we are running with elevated privileges and should ignore env variables */ |
857 | /* return true if we are running with elevated privileges and should ignore env variables */ |
698 | static int |
858 | int inline_size |
699 | enable_secure (void) |
859 | enable_secure (void) |
700 | { |
860 | { |
701 | #ifdef WIN32 |
861 | #ifdef _WIN32 |
702 | return 0; |
862 | return 0; |
703 | #else |
863 | #else |
704 | return getuid () != geteuid () |
864 | return getuid () != geteuid () |
705 | || getgid () != getegid (); |
865 | || getgid () != getegid (); |
706 | #endif |
866 | #endif |
707 | } |
867 | } |
708 | |
868 | |
709 | int |
869 | unsigned int |
710 | ev_method (EV_P) |
870 | ev_supported_backends (void) |
711 | { |
871 | { |
712 | return method; |
872 | unsigned int flags = 0; |
713 | } |
|
|
714 | |
873 | |
715 | static void |
874 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
716 | loop_init (EV_P_ int methods) |
875 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
|
|
876 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
|
|
877 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
|
|
878 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
|
|
879 | |
|
|
880 | return flags; |
|
|
881 | } |
|
|
882 | |
|
|
883 | unsigned int |
|
|
884 | ev_recommended_backends (void) |
717 | { |
885 | { |
718 | if (!method) |
886 | unsigned int flags = ev_supported_backends (); |
|
|
887 | |
|
|
888 | #ifndef __NetBSD__ |
|
|
889 | /* kqueue is borked on everything but netbsd apparently */ |
|
|
890 | /* it usually doesn't work correctly on anything but sockets and pipes */ |
|
|
891 | flags &= ~EVBACKEND_KQUEUE; |
|
|
892 | #endif |
|
|
893 | #ifdef __APPLE__ |
|
|
894 | // flags &= ~EVBACKEND_KQUEUE; for documentation |
|
|
895 | flags &= ~EVBACKEND_POLL; |
|
|
896 | #endif |
|
|
897 | |
|
|
898 | return flags; |
|
|
899 | } |
|
|
900 | |
|
|
901 | unsigned int |
|
|
902 | ev_embeddable_backends (void) |
|
|
903 | { |
|
|
904 | return EVBACKEND_EPOLL |
|
|
905 | | EVBACKEND_KQUEUE |
|
|
906 | | EVBACKEND_PORT; |
|
|
907 | } |
|
|
908 | |
|
|
909 | unsigned int |
|
|
910 | ev_backend (EV_P) |
|
|
911 | { |
|
|
912 | return backend; |
|
|
913 | } |
|
|
914 | |
|
|
915 | unsigned int |
|
|
916 | ev_loop_count (EV_P) |
|
|
917 | { |
|
|
918 | return loop_count; |
|
|
919 | } |
|
|
920 | |
|
|
921 | static void noinline |
|
|
922 | loop_init (EV_P_ unsigned int flags) |
|
|
923 | { |
|
|
924 | if (!backend) |
719 | { |
925 | { |
720 | #if EV_USE_MONOTONIC |
926 | #if EV_USE_MONOTONIC |
721 | { |
927 | { |
722 | struct timespec ts; |
928 | struct timespec ts; |
723 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
929 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
724 | have_monotonic = 1; |
930 | have_monotonic = 1; |
725 | } |
931 | } |
726 | #endif |
932 | #endif |
727 | |
933 | |
728 | rt_now = ev_time (); |
934 | ev_rt_now = ev_time (); |
729 | mn_now = get_clock (); |
935 | mn_now = get_clock (); |
730 | now_floor = mn_now; |
936 | now_floor = mn_now; |
731 | rtmn_diff = rt_now - mn_now; |
937 | rtmn_diff = ev_rt_now - mn_now; |
732 | |
938 | |
733 | if (methods == EVMETHOD_AUTO) |
939 | /* pid check not overridable via env */ |
734 | if (!enable_secure () && getenv ("LIBEV_METHODS")) |
940 | #ifndef _WIN32 |
|
|
941 | if (flags & EVFLAG_FORKCHECK) |
|
|
942 | curpid = getpid (); |
|
|
943 | #endif |
|
|
944 | |
|
|
945 | if (!(flags & EVFLAG_NOENV) |
|
|
946 | && !enable_secure () |
|
|
947 | && getenv ("LIBEV_FLAGS")) |
735 | methods = atoi (getenv ("LIBEV_METHODS")); |
948 | flags = atoi (getenv ("LIBEV_FLAGS")); |
736 | else |
|
|
737 | methods = EVMETHOD_ANY; |
|
|
738 | |
949 | |
739 | method = 0; |
950 | if (!(flags & 0x0000ffffUL)) |
|
|
951 | flags |= ev_recommended_backends (); |
|
|
952 | |
|
|
953 | backend = 0; |
|
|
954 | backend_fd = -1; |
740 | #if EV_USE_WIN32 |
955 | #if EV_USE_INOTIFY |
741 | if (!method && (methods & EVMETHOD_WIN32 )) method = win32_init (EV_A_ methods); |
956 | fs_fd = -2; |
|
|
957 | #endif |
|
|
958 | |
|
|
959 | #if EV_USE_PORT |
|
|
960 | if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags); |
742 | #endif |
961 | #endif |
743 | #if EV_USE_KQUEUE |
962 | #if EV_USE_KQUEUE |
744 | if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods); |
963 | if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags); |
745 | #endif |
964 | #endif |
746 | #if EV_USE_EPOLL |
965 | #if EV_USE_EPOLL |
747 | if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods); |
966 | if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags); |
748 | #endif |
967 | #endif |
749 | #if EV_USE_POLL |
968 | #if EV_USE_POLL |
750 | if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods); |
969 | if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags); |
751 | #endif |
970 | #endif |
752 | #if EV_USE_SELECT |
971 | #if EV_USE_SELECT |
753 | if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods); |
972 | if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags); |
754 | #endif |
973 | #endif |
755 | |
974 | |
756 | ev_watcher_init (&sigev, sigcb); |
975 | ev_init (&sigev, sigcb); |
757 | ev_set_priority (&sigev, EV_MAXPRI); |
976 | ev_set_priority (&sigev, EV_MAXPRI); |
758 | } |
977 | } |
759 | } |
978 | } |
760 | |
979 | |
761 | void |
980 | static void noinline |
762 | loop_destroy (EV_P) |
981 | loop_destroy (EV_P) |
763 | { |
982 | { |
764 | int i; |
983 | int i; |
765 | |
984 | |
766 | #if EV_USE_WIN32 |
985 | #if EV_USE_INOTIFY |
767 | if (method == EVMETHOD_WIN32 ) win32_destroy (EV_A); |
986 | if (fs_fd >= 0) |
|
|
987 | close (fs_fd); |
|
|
988 | #endif |
|
|
989 | |
|
|
990 | if (backend_fd >= 0) |
|
|
991 | close (backend_fd); |
|
|
992 | |
|
|
993 | #if EV_USE_PORT |
|
|
994 | if (backend == EVBACKEND_PORT ) port_destroy (EV_A); |
768 | #endif |
995 | #endif |
769 | #if EV_USE_KQUEUE |
996 | #if EV_USE_KQUEUE |
770 | if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A); |
997 | if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
771 | #endif |
998 | #endif |
772 | #if EV_USE_EPOLL |
999 | #if EV_USE_EPOLL |
773 | if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A); |
1000 | if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A); |
774 | #endif |
1001 | #endif |
775 | #if EV_USE_POLL |
1002 | #if EV_USE_POLL |
776 | if (method == EVMETHOD_POLL ) poll_destroy (EV_A); |
1003 | if (backend == EVBACKEND_POLL ) poll_destroy (EV_A); |
777 | #endif |
1004 | #endif |
778 | #if EV_USE_SELECT |
1005 | #if EV_USE_SELECT |
779 | if (method == EVMETHOD_SELECT) select_destroy (EV_A); |
1006 | if (backend == EVBACKEND_SELECT) select_destroy (EV_A); |
780 | #endif |
1007 | #endif |
781 | |
1008 | |
782 | for (i = NUMPRI; i--; ) |
1009 | for (i = NUMPRI; i--; ) |
|
|
1010 | { |
783 | array_free (pending, [i]); |
1011 | array_free (pending, [i]); |
|
|
1012 | #if EV_IDLE_ENABLE |
|
|
1013 | array_free (idle, [i]); |
|
|
1014 | #endif |
|
|
1015 | } |
784 | |
1016 | |
785 | /* have to use the microsoft-never-gets-it-right macro */ |
1017 | /* have to use the microsoft-never-gets-it-right macro */ |
786 | array_free_microshit (fdchange); |
1018 | array_free (fdchange, EMPTY); |
787 | array_free_microshit (timer); |
1019 | array_free (timer, EMPTY); |
788 | array_free_microshit (periodic); |
1020 | #if EV_PERIODIC_ENABLE |
789 | array_free_microshit (idle); |
1021 | array_free (periodic, EMPTY); |
790 | array_free_microshit (prepare); |
1022 | #endif |
791 | array_free_microshit (check); |
1023 | array_free (prepare, EMPTY); |
|
|
1024 | array_free (check, EMPTY); |
792 | |
1025 | |
793 | method = 0; |
1026 | backend = 0; |
794 | } |
1027 | } |
795 | |
1028 | |
796 | static void |
1029 | void inline_size infy_fork (EV_P); |
|
|
1030 | |
|
|
1031 | void inline_size |
797 | loop_fork (EV_P) |
1032 | loop_fork (EV_P) |
798 | { |
1033 | { |
|
|
1034 | #if EV_USE_PORT |
|
|
1035 | if (backend == EVBACKEND_PORT ) port_fork (EV_A); |
|
|
1036 | #endif |
|
|
1037 | #if EV_USE_KQUEUE |
|
|
1038 | if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A); |
|
|
1039 | #endif |
799 | #if EV_USE_EPOLL |
1040 | #if EV_USE_EPOLL |
800 | if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A); |
1041 | if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
801 | #endif |
1042 | #endif |
802 | #if EV_USE_KQUEUE |
1043 | #if EV_USE_INOTIFY |
803 | if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A); |
1044 | infy_fork (EV_A); |
804 | #endif |
1045 | #endif |
805 | |
1046 | |
806 | if (ev_is_active (&sigev)) |
1047 | if (ev_is_active (&sigev)) |
807 | { |
1048 | { |
808 | /* default loop */ |
1049 | /* default loop */ |
… | |
… | |
821 | postfork = 0; |
1062 | postfork = 0; |
822 | } |
1063 | } |
823 | |
1064 | |
824 | #if EV_MULTIPLICITY |
1065 | #if EV_MULTIPLICITY |
825 | struct ev_loop * |
1066 | struct ev_loop * |
826 | ev_loop_new (int methods) |
1067 | ev_loop_new (unsigned int flags) |
827 | { |
1068 | { |
828 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
1069 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
829 | |
1070 | |
830 | memset (loop, 0, sizeof (struct ev_loop)); |
1071 | memset (loop, 0, sizeof (struct ev_loop)); |
831 | |
1072 | |
832 | loop_init (EV_A_ methods); |
1073 | loop_init (EV_A_ flags); |
833 | |
1074 | |
834 | if (ev_method (EV_A)) |
1075 | if (ev_backend (EV_A)) |
835 | return loop; |
1076 | return loop; |
836 | |
1077 | |
837 | return 0; |
1078 | return 0; |
838 | } |
1079 | } |
839 | |
1080 | |
… | |
… | |
852 | |
1093 | |
853 | #endif |
1094 | #endif |
854 | |
1095 | |
855 | #if EV_MULTIPLICITY |
1096 | #if EV_MULTIPLICITY |
856 | struct ev_loop * |
1097 | struct ev_loop * |
|
|
1098 | ev_default_loop_init (unsigned int flags) |
857 | #else |
1099 | #else |
858 | int |
1100 | int |
|
|
1101 | ev_default_loop (unsigned int flags) |
859 | #endif |
1102 | #endif |
860 | ev_default_loop (int methods) |
|
|
861 | { |
1103 | { |
862 | if (sigpipe [0] == sigpipe [1]) |
1104 | if (sigpipe [0] == sigpipe [1]) |
863 | if (pipe (sigpipe)) |
1105 | if (pipe (sigpipe)) |
864 | return 0; |
1106 | return 0; |
865 | |
1107 | |
866 | if (!default_loop) |
1108 | if (!ev_default_loop_ptr) |
867 | { |
1109 | { |
868 | #if EV_MULTIPLICITY |
1110 | #if EV_MULTIPLICITY |
869 | struct ev_loop *loop = default_loop = &default_loop_struct; |
1111 | struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; |
870 | #else |
1112 | #else |
871 | default_loop = 1; |
1113 | ev_default_loop_ptr = 1; |
872 | #endif |
1114 | #endif |
873 | |
1115 | |
874 | loop_init (EV_A_ methods); |
1116 | loop_init (EV_A_ flags); |
875 | |
1117 | |
876 | if (ev_method (EV_A)) |
1118 | if (ev_backend (EV_A)) |
877 | { |
1119 | { |
878 | siginit (EV_A); |
1120 | siginit (EV_A); |
879 | |
1121 | |
880 | #ifndef WIN32 |
1122 | #ifndef _WIN32 |
881 | ev_signal_init (&childev, childcb, SIGCHLD); |
1123 | ev_signal_init (&childev, childcb, SIGCHLD); |
882 | ev_set_priority (&childev, EV_MAXPRI); |
1124 | ev_set_priority (&childev, EV_MAXPRI); |
883 | ev_signal_start (EV_A_ &childev); |
1125 | ev_signal_start (EV_A_ &childev); |
884 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
1126 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
885 | #endif |
1127 | #endif |
886 | } |
1128 | } |
887 | else |
1129 | else |
888 | default_loop = 0; |
1130 | ev_default_loop_ptr = 0; |
889 | } |
1131 | } |
890 | |
1132 | |
891 | return default_loop; |
1133 | return ev_default_loop_ptr; |
892 | } |
1134 | } |
893 | |
1135 | |
894 | void |
1136 | void |
895 | ev_default_destroy (void) |
1137 | ev_default_destroy (void) |
896 | { |
1138 | { |
897 | #if EV_MULTIPLICITY |
1139 | #if EV_MULTIPLICITY |
898 | struct ev_loop *loop = default_loop; |
1140 | struct ev_loop *loop = ev_default_loop_ptr; |
899 | #endif |
1141 | #endif |
900 | |
1142 | |
901 | #ifndef WIN32 |
1143 | #ifndef _WIN32 |
902 | ev_ref (EV_A); /* child watcher */ |
1144 | ev_ref (EV_A); /* child watcher */ |
903 | ev_signal_stop (EV_A_ &childev); |
1145 | ev_signal_stop (EV_A_ &childev); |
904 | #endif |
1146 | #endif |
905 | |
1147 | |
906 | ev_ref (EV_A); /* signal watcher */ |
1148 | ev_ref (EV_A); /* signal watcher */ |
… | |
… | |
914 | |
1156 | |
915 | void |
1157 | void |
916 | ev_default_fork (void) |
1158 | ev_default_fork (void) |
917 | { |
1159 | { |
918 | #if EV_MULTIPLICITY |
1160 | #if EV_MULTIPLICITY |
919 | struct ev_loop *loop = default_loop; |
1161 | struct ev_loop *loop = ev_default_loop_ptr; |
920 | #endif |
1162 | #endif |
921 | |
1163 | |
922 | if (method) |
1164 | if (backend) |
923 | postfork = 1; |
1165 | postfork = 1; |
924 | } |
1166 | } |
925 | |
1167 | |
926 | /*****************************************************************************/ |
1168 | /*****************************************************************************/ |
927 | |
1169 | |
928 | static int |
1170 | void |
929 | any_pending (EV_P) |
1171 | ev_invoke (EV_P_ void *w, int revents) |
930 | { |
1172 | { |
931 | int pri; |
1173 | EV_CB_INVOKE ((W)w, revents); |
932 | |
|
|
933 | for (pri = NUMPRI; pri--; ) |
|
|
934 | if (pendingcnt [pri]) |
|
|
935 | return 1; |
|
|
936 | |
|
|
937 | return 0; |
|
|
938 | } |
1174 | } |
939 | |
1175 | |
940 | static void |
1176 | void inline_speed |
941 | call_pending (EV_P) |
1177 | call_pending (EV_P) |
942 | { |
1178 | { |
943 | int pri; |
1179 | int pri; |
944 | |
1180 | |
945 | for (pri = NUMPRI; pri--; ) |
1181 | for (pri = NUMPRI; pri--; ) |
946 | while (pendingcnt [pri]) |
1182 | while (pendingcnt [pri]) |
947 | { |
1183 | { |
948 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1184 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
949 | |
1185 | |
950 | if (p->w) |
1186 | if (expect_true (p->w)) |
951 | { |
1187 | { |
|
|
1188 | /*assert (("non-pending watcher on pending list", p->w->pending));*/ |
|
|
1189 | |
952 | p->w->pending = 0; |
1190 | p->w->pending = 0; |
953 | p->w->cb (EV_A_ p->w, p->events); |
1191 | EV_CB_INVOKE (p->w, p->events); |
954 | } |
1192 | } |
955 | } |
1193 | } |
956 | } |
1194 | } |
957 | |
1195 | |
958 | static void |
1196 | void inline_size |
959 | timers_reify (EV_P) |
1197 | timers_reify (EV_P) |
960 | { |
1198 | { |
961 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1199 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
962 | { |
1200 | { |
963 | struct ev_timer *w = timers [0]; |
1201 | ev_timer *w = timers [0]; |
964 | |
1202 | |
965 | assert (("inactive timer on timer heap detected", ev_is_active (w))); |
1203 | /*assert (("inactive timer on timer heap detected", ev_is_active (w)));*/ |
966 | |
1204 | |
967 | /* first reschedule or stop timer */ |
1205 | /* first reschedule or stop timer */ |
968 | if (w->repeat) |
1206 | if (w->repeat) |
969 | { |
1207 | { |
970 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
1208 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
|
|
1209 | |
971 | ((WT)w)->at = mn_now + w->repeat; |
1210 | ((WT)w)->at += w->repeat; |
|
|
1211 | if (((WT)w)->at < mn_now) |
|
|
1212 | ((WT)w)->at = mn_now; |
|
|
1213 | |
972 | downheap ((WT *)timers, timercnt, 0); |
1214 | downheap ((WT *)timers, timercnt, 0); |
973 | } |
1215 | } |
974 | else |
1216 | else |
975 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1217 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
976 | |
1218 | |
977 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
1219 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
978 | } |
1220 | } |
979 | } |
1221 | } |
980 | |
1222 | |
981 | static void |
1223 | #if EV_PERIODIC_ENABLE |
|
|
1224 | void inline_size |
982 | periodics_reify (EV_P) |
1225 | periodics_reify (EV_P) |
983 | { |
1226 | { |
984 | while (periodiccnt && ((WT)periodics [0])->at <= rt_now) |
1227 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
985 | { |
1228 | { |
986 | struct ev_periodic *w = periodics [0]; |
1229 | ev_periodic *w = periodics [0]; |
987 | |
1230 | |
988 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
1231 | /*assert (("inactive timer on periodic heap detected", ev_is_active (w)));*/ |
989 | |
1232 | |
990 | /* first reschedule or stop timer */ |
1233 | /* first reschedule or stop timer */ |
991 | if (w->reschedule_cb) |
1234 | if (w->reschedule_cb) |
992 | { |
1235 | { |
993 | ev_tstamp at = ((WT)w)->at = w->reschedule_cb (w, rt_now + 0.0001); |
1236 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001220703125 /* 1/8192 */); |
994 | |
|
|
995 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > rt_now)); |
1237 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
996 | downheap ((WT *)periodics, periodiccnt, 0); |
1238 | downheap ((WT *)periodics, periodiccnt, 0); |
997 | } |
1239 | } |
998 | else if (w->interval) |
1240 | else if (w->interval) |
999 | { |
1241 | { |
1000 | ((WT)w)->at += floor ((rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval; |
1242 | ((WT)w)->at = w->offset + floor ((ev_rt_now - w->offset) / w->interval + 1.) * w->interval; |
1001 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > rt_now)); |
1243 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
1002 | downheap ((WT *)periodics, periodiccnt, 0); |
1244 | downheap ((WT *)periodics, periodiccnt, 0); |
1003 | } |
1245 | } |
1004 | else |
1246 | else |
1005 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1247 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1006 | |
1248 | |
1007 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
1249 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
1008 | } |
1250 | } |
1009 | } |
1251 | } |
1010 | |
1252 | |
1011 | static void |
1253 | static void noinline |
1012 | periodics_reschedule (EV_P) |
1254 | periodics_reschedule (EV_P) |
1013 | { |
1255 | { |
1014 | int i; |
1256 | int i; |
1015 | |
1257 | |
1016 | /* adjust periodics after time jump */ |
1258 | /* adjust periodics after time jump */ |
1017 | for (i = 0; i < periodiccnt; ++i) |
1259 | for (i = 0; i < periodiccnt; ++i) |
1018 | { |
1260 | { |
1019 | struct ev_periodic *w = periodics [i]; |
1261 | ev_periodic *w = periodics [i]; |
1020 | |
1262 | |
1021 | if (w->reschedule_cb) |
1263 | if (w->reschedule_cb) |
1022 | ((WT)w)->at = w->reschedule_cb (w, rt_now); |
1264 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1023 | else if (w->interval) |
1265 | else if (w->interval) |
1024 | ((WT)w)->at += ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1266 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1025 | } |
1267 | } |
1026 | |
1268 | |
1027 | /* now rebuild the heap */ |
1269 | /* now rebuild the heap */ |
1028 | for (i = periodiccnt >> 1; i--; ) |
1270 | for (i = periodiccnt >> 1; i--; ) |
1029 | downheap ((WT *)periodics, periodiccnt, i); |
1271 | downheap ((WT *)periodics, periodiccnt, i); |
1030 | } |
1272 | } |
|
|
1273 | #endif |
1031 | |
1274 | |
1032 | inline int |
1275 | #if EV_IDLE_ENABLE |
|
|
1276 | void inline_size |
|
|
1277 | idle_reify (EV_P) |
|
|
1278 | { |
|
|
1279 | if (expect_false (idleall)) |
|
|
1280 | { |
|
|
1281 | int pri; |
|
|
1282 | |
|
|
1283 | for (pri = NUMPRI; pri--; ) |
|
|
1284 | { |
|
|
1285 | if (pendingcnt [pri]) |
|
|
1286 | break; |
|
|
1287 | |
|
|
1288 | if (idlecnt [pri]) |
|
|
1289 | { |
|
|
1290 | queue_events (EV_A_ (W *)idles [pri], idlecnt [pri], EV_IDLE); |
|
|
1291 | break; |
|
|
1292 | } |
|
|
1293 | } |
|
|
1294 | } |
|
|
1295 | } |
|
|
1296 | #endif |
|
|
1297 | |
|
|
1298 | int inline_size |
1033 | time_update_monotonic (EV_P) |
1299 | time_update_monotonic (EV_P) |
1034 | { |
1300 | { |
1035 | mn_now = get_clock (); |
1301 | mn_now = get_clock (); |
1036 | |
1302 | |
1037 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1303 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1038 | { |
1304 | { |
1039 | rt_now = rtmn_diff + mn_now; |
1305 | ev_rt_now = rtmn_diff + mn_now; |
1040 | return 0; |
1306 | return 0; |
1041 | } |
1307 | } |
1042 | else |
1308 | else |
1043 | { |
1309 | { |
1044 | now_floor = mn_now; |
1310 | now_floor = mn_now; |
1045 | rt_now = ev_time (); |
1311 | ev_rt_now = ev_time (); |
1046 | return 1; |
1312 | return 1; |
1047 | } |
1313 | } |
1048 | } |
1314 | } |
1049 | |
1315 | |
1050 | static void |
1316 | void inline_size |
1051 | time_update (EV_P) |
1317 | time_update (EV_P) |
1052 | { |
1318 | { |
1053 | int i; |
1319 | int i; |
1054 | |
1320 | |
1055 | #if EV_USE_MONOTONIC |
1321 | #if EV_USE_MONOTONIC |
… | |
… | |
1057 | { |
1323 | { |
1058 | if (time_update_monotonic (EV_A)) |
1324 | if (time_update_monotonic (EV_A)) |
1059 | { |
1325 | { |
1060 | ev_tstamp odiff = rtmn_diff; |
1326 | ev_tstamp odiff = rtmn_diff; |
1061 | |
1327 | |
1062 | for (i = 4; --i; ) /* loop a few times, before making important decisions */ |
1328 | /* loop a few times, before making important decisions. |
|
|
1329 | * on the choice of "4": one iteration isn't enough, |
|
|
1330 | * in case we get preempted during the calls to |
|
|
1331 | * ev_time and get_clock. a second call is almost guaranteed |
|
|
1332 | * to succeed in that case, though. and looping a few more times |
|
|
1333 | * doesn't hurt either as we only do this on time-jumps or |
|
|
1334 | * in the unlikely event of having been preempted here. |
|
|
1335 | */ |
|
|
1336 | for (i = 4; --i; ) |
1063 | { |
1337 | { |
1064 | rtmn_diff = rt_now - mn_now; |
1338 | rtmn_diff = ev_rt_now - mn_now; |
1065 | |
1339 | |
1066 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1340 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1067 | return; /* all is well */ |
1341 | return; /* all is well */ |
1068 | |
1342 | |
1069 | rt_now = ev_time (); |
1343 | ev_rt_now = ev_time (); |
1070 | mn_now = get_clock (); |
1344 | mn_now = get_clock (); |
1071 | now_floor = mn_now; |
1345 | now_floor = mn_now; |
1072 | } |
1346 | } |
1073 | |
1347 | |
|
|
1348 | # if EV_PERIODIC_ENABLE |
1074 | periodics_reschedule (EV_A); |
1349 | periodics_reschedule (EV_A); |
|
|
1350 | # endif |
1075 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1351 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1076 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1352 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1077 | } |
1353 | } |
1078 | } |
1354 | } |
1079 | else |
1355 | else |
1080 | #endif |
1356 | #endif |
1081 | { |
1357 | { |
1082 | rt_now = ev_time (); |
1358 | ev_rt_now = ev_time (); |
1083 | |
1359 | |
1084 | if (expect_false (mn_now > rt_now || mn_now < rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
1360 | if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
1085 | { |
1361 | { |
|
|
1362 | #if EV_PERIODIC_ENABLE |
1086 | periodics_reschedule (EV_A); |
1363 | periodics_reschedule (EV_A); |
|
|
1364 | #endif |
1087 | |
1365 | |
1088 | /* adjust timers. this is easy, as the offset is the same for all */ |
1366 | /* adjust timers. this is easy, as the offset is the same for all of them */ |
1089 | for (i = 0; i < timercnt; ++i) |
1367 | for (i = 0; i < timercnt; ++i) |
1090 | ((WT)timers [i])->at += rt_now - mn_now; |
1368 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1091 | } |
1369 | } |
1092 | |
1370 | |
1093 | mn_now = rt_now; |
1371 | mn_now = ev_rt_now; |
1094 | } |
1372 | } |
1095 | } |
1373 | } |
1096 | |
1374 | |
1097 | void |
1375 | void |
1098 | ev_ref (EV_P) |
1376 | ev_ref (EV_P) |
… | |
… | |
1109 | static int loop_done; |
1387 | static int loop_done; |
1110 | |
1388 | |
1111 | void |
1389 | void |
1112 | ev_loop (EV_P_ int flags) |
1390 | ev_loop (EV_P_ int flags) |
1113 | { |
1391 | { |
1114 | double block; |
|
|
1115 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) ? 1 : 0; |
1392 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) |
|
|
1393 | ? EVUNLOOP_ONE |
|
|
1394 | : EVUNLOOP_CANCEL; |
|
|
1395 | |
|
|
1396 | call_pending (EV_A); /* in case we recurse, ensure ordering stays nice and clean */ |
1116 | |
1397 | |
1117 | do |
1398 | do |
1118 | { |
1399 | { |
|
|
1400 | #ifndef _WIN32 |
|
|
1401 | if (expect_false (curpid)) /* penalise the forking check even more */ |
|
|
1402 | if (expect_false (getpid () != curpid)) |
|
|
1403 | { |
|
|
1404 | curpid = getpid (); |
|
|
1405 | postfork = 1; |
|
|
1406 | } |
|
|
1407 | #endif |
|
|
1408 | |
|
|
1409 | #if EV_FORK_ENABLE |
|
|
1410 | /* we might have forked, so queue fork handlers */ |
|
|
1411 | if (expect_false (postfork)) |
|
|
1412 | if (forkcnt) |
|
|
1413 | { |
|
|
1414 | queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK); |
|
|
1415 | call_pending (EV_A); |
|
|
1416 | } |
|
|
1417 | #endif |
|
|
1418 | |
1119 | /* queue check watchers (and execute them) */ |
1419 | /* queue prepare watchers (and execute them) */ |
1120 | if (expect_false (preparecnt)) |
1420 | if (expect_false (preparecnt)) |
1121 | { |
1421 | { |
1122 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1422 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1123 | call_pending (EV_A); |
1423 | call_pending (EV_A); |
1124 | } |
1424 | } |
1125 | |
1425 | |
|
|
1426 | if (expect_false (!activecnt)) |
|
|
1427 | break; |
|
|
1428 | |
1126 | /* we might have forked, so reify kernel state if necessary */ |
1429 | /* we might have forked, so reify kernel state if necessary */ |
1127 | if (expect_false (postfork)) |
1430 | if (expect_false (postfork)) |
1128 | loop_fork (EV_A); |
1431 | loop_fork (EV_A); |
1129 | |
1432 | |
1130 | /* update fd-related kernel structures */ |
1433 | /* update fd-related kernel structures */ |
1131 | fd_reify (EV_A); |
1434 | fd_reify (EV_A); |
1132 | |
1435 | |
1133 | /* calculate blocking time */ |
1436 | /* calculate blocking time */ |
|
|
1437 | { |
|
|
1438 | ev_tstamp block; |
1134 | |
1439 | |
1135 | /* we only need this for !monotonic clock or timers, but as we basically |
1440 | if (expect_false (flags & EVLOOP_NONBLOCK || idleall || !activecnt)) |
1136 | always have timers, we just calculate it always */ |
1441 | block = 0.; /* do not block at all */ |
|
|
1442 | else |
|
|
1443 | { |
|
|
1444 | /* update time to cancel out callback processing overhead */ |
1137 | #if EV_USE_MONOTONIC |
1445 | #if EV_USE_MONOTONIC |
1138 | if (expect_true (have_monotonic)) |
1446 | if (expect_true (have_monotonic)) |
1139 | time_update_monotonic (EV_A); |
1447 | time_update_monotonic (EV_A); |
1140 | else |
1448 | else |
1141 | #endif |
1449 | #endif |
1142 | { |
1450 | { |
1143 | rt_now = ev_time (); |
1451 | ev_rt_now = ev_time (); |
1144 | mn_now = rt_now; |
1452 | mn_now = ev_rt_now; |
1145 | } |
1453 | } |
1146 | |
1454 | |
1147 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
|
|
1148 | block = 0.; |
|
|
1149 | else |
|
|
1150 | { |
|
|
1151 | block = MAX_BLOCKTIME; |
1455 | block = MAX_BLOCKTIME; |
1152 | |
1456 | |
1153 | if (timercnt) |
1457 | if (timercnt) |
1154 | { |
1458 | { |
1155 | ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge; |
1459 | ev_tstamp to = ((WT)timers [0])->at - mn_now + backend_fudge; |
1156 | if (block > to) block = to; |
1460 | if (block > to) block = to; |
1157 | } |
1461 | } |
1158 | |
1462 | |
|
|
1463 | #if EV_PERIODIC_ENABLE |
1159 | if (periodiccnt) |
1464 | if (periodiccnt) |
1160 | { |
1465 | { |
1161 | ev_tstamp to = ((WT)periodics [0])->at - rt_now + method_fudge; |
1466 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + backend_fudge; |
1162 | if (block > to) block = to; |
1467 | if (block > to) block = to; |
1163 | } |
1468 | } |
|
|
1469 | #endif |
1164 | |
1470 | |
1165 | if (block < 0.) block = 0.; |
1471 | if (expect_false (block < 0.)) block = 0.; |
1166 | } |
1472 | } |
1167 | |
1473 | |
|
|
1474 | ++loop_count; |
1168 | method_poll (EV_A_ block); |
1475 | backend_poll (EV_A_ block); |
|
|
1476 | } |
1169 | |
1477 | |
1170 | /* update rt_now, do magic */ |
1478 | /* update ev_rt_now, do magic */ |
1171 | time_update (EV_A); |
1479 | time_update (EV_A); |
1172 | |
1480 | |
1173 | /* queue pending timers and reschedule them */ |
1481 | /* queue pending timers and reschedule them */ |
1174 | timers_reify (EV_A); /* relative timers called last */ |
1482 | timers_reify (EV_A); /* relative timers called last */ |
|
|
1483 | #if EV_PERIODIC_ENABLE |
1175 | periodics_reify (EV_A); /* absolute timers called first */ |
1484 | periodics_reify (EV_A); /* absolute timers called first */ |
|
|
1485 | #endif |
1176 | |
1486 | |
|
|
1487 | #if EV_IDLE_ENABLE |
1177 | /* queue idle watchers unless io or timers are pending */ |
1488 | /* queue idle watchers unless other events are pending */ |
1178 | if (idlecnt && !any_pending (EV_A)) |
1489 | idle_reify (EV_A); |
1179 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1490 | #endif |
1180 | |
1491 | |
1181 | /* queue check watchers, to be executed first */ |
1492 | /* queue check watchers, to be executed first */ |
1182 | if (checkcnt) |
1493 | if (expect_false (checkcnt)) |
1183 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1494 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1184 | |
1495 | |
1185 | call_pending (EV_A); |
1496 | call_pending (EV_A); |
|
|
1497 | |
1186 | } |
1498 | } |
1187 | while (activecnt && !loop_done); |
1499 | while (expect_true (activecnt && !loop_done)); |
1188 | |
1500 | |
1189 | if (loop_done != 2) |
1501 | if (loop_done == EVUNLOOP_ONE) |
1190 | loop_done = 0; |
1502 | loop_done = EVUNLOOP_CANCEL; |
1191 | } |
1503 | } |
1192 | |
1504 | |
1193 | void |
1505 | void |
1194 | ev_unloop (EV_P_ int how) |
1506 | ev_unloop (EV_P_ int how) |
1195 | { |
1507 | { |
1196 | loop_done = how; |
1508 | loop_done = how; |
1197 | } |
1509 | } |
1198 | |
1510 | |
1199 | /*****************************************************************************/ |
1511 | /*****************************************************************************/ |
1200 | |
1512 | |
1201 | inline void |
1513 | void inline_size |
1202 | wlist_add (WL *head, WL elem) |
1514 | wlist_add (WL *head, WL elem) |
1203 | { |
1515 | { |
1204 | elem->next = *head; |
1516 | elem->next = *head; |
1205 | *head = elem; |
1517 | *head = elem; |
1206 | } |
1518 | } |
1207 | |
1519 | |
1208 | inline void |
1520 | void inline_size |
1209 | wlist_del (WL *head, WL elem) |
1521 | wlist_del (WL *head, WL elem) |
1210 | { |
1522 | { |
1211 | while (*head) |
1523 | while (*head) |
1212 | { |
1524 | { |
1213 | if (*head == elem) |
1525 | if (*head == elem) |
… | |
… | |
1218 | |
1530 | |
1219 | head = &(*head)->next; |
1531 | head = &(*head)->next; |
1220 | } |
1532 | } |
1221 | } |
1533 | } |
1222 | |
1534 | |
1223 | inline void |
1535 | void inline_speed |
1224 | ev_clear_pending (EV_P_ W w) |
1536 | clear_pending (EV_P_ W w) |
1225 | { |
1537 | { |
1226 | if (w->pending) |
1538 | if (w->pending) |
1227 | { |
1539 | { |
1228 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
1540 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
1229 | w->pending = 0; |
1541 | w->pending = 0; |
1230 | } |
1542 | } |
1231 | } |
1543 | } |
1232 | |
1544 | |
1233 | inline void |
1545 | int |
|
|
1546 | ev_clear_pending (EV_P_ void *w) |
|
|
1547 | { |
|
|
1548 | W w_ = (W)w; |
|
|
1549 | int pending = w_->pending; |
|
|
1550 | |
|
|
1551 | if (expect_true (pending)) |
|
|
1552 | { |
|
|
1553 | ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1; |
|
|
1554 | w_->pending = 0; |
|
|
1555 | p->w = 0; |
|
|
1556 | return p->events; |
|
|
1557 | } |
|
|
1558 | else |
|
|
1559 | return 0; |
|
|
1560 | } |
|
|
1561 | |
|
|
1562 | void inline_size |
|
|
1563 | pri_adjust (EV_P_ W w) |
|
|
1564 | { |
|
|
1565 | int pri = w->priority; |
|
|
1566 | pri = pri < EV_MINPRI ? EV_MINPRI : pri; |
|
|
1567 | pri = pri > EV_MAXPRI ? EV_MAXPRI : pri; |
|
|
1568 | w->priority = pri; |
|
|
1569 | } |
|
|
1570 | |
|
|
1571 | void inline_speed |
1234 | ev_start (EV_P_ W w, int active) |
1572 | ev_start (EV_P_ W w, int active) |
1235 | { |
1573 | { |
1236 | if (w->priority < EV_MINPRI) w->priority = EV_MINPRI; |
1574 | pri_adjust (EV_A_ w); |
1237 | if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI; |
|
|
1238 | |
|
|
1239 | w->active = active; |
1575 | w->active = active; |
1240 | ev_ref (EV_A); |
1576 | ev_ref (EV_A); |
1241 | } |
1577 | } |
1242 | |
1578 | |
1243 | inline void |
1579 | void inline_size |
1244 | ev_stop (EV_P_ W w) |
1580 | ev_stop (EV_P_ W w) |
1245 | { |
1581 | { |
1246 | ev_unref (EV_A); |
1582 | ev_unref (EV_A); |
1247 | w->active = 0; |
1583 | w->active = 0; |
1248 | } |
1584 | } |
1249 | |
1585 | |
1250 | /*****************************************************************************/ |
1586 | /*****************************************************************************/ |
1251 | |
1587 | |
1252 | void |
1588 | void noinline |
1253 | ev_io_start (EV_P_ struct ev_io *w) |
1589 | ev_io_start (EV_P_ ev_io *w) |
1254 | { |
1590 | { |
1255 | int fd = w->fd; |
1591 | int fd = w->fd; |
1256 | |
1592 | |
1257 | if (ev_is_active (w)) |
1593 | if (expect_false (ev_is_active (w))) |
1258 | return; |
1594 | return; |
1259 | |
1595 | |
1260 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1596 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1261 | |
1597 | |
1262 | ev_start (EV_A_ (W)w, 1); |
1598 | ev_start (EV_A_ (W)w, 1); |
… | |
… | |
1264 | wlist_add ((WL *)&anfds[fd].head, (WL)w); |
1600 | wlist_add ((WL *)&anfds[fd].head, (WL)w); |
1265 | |
1601 | |
1266 | fd_change (EV_A_ fd); |
1602 | fd_change (EV_A_ fd); |
1267 | } |
1603 | } |
1268 | |
1604 | |
1269 | void |
1605 | void noinline |
1270 | ev_io_stop (EV_P_ struct ev_io *w) |
1606 | ev_io_stop (EV_P_ ev_io *w) |
1271 | { |
1607 | { |
1272 | ev_clear_pending (EV_A_ (W)w); |
1608 | clear_pending (EV_A_ (W)w); |
1273 | if (!ev_is_active (w)) |
1609 | if (expect_false (!ev_is_active (w))) |
1274 | return; |
1610 | return; |
|
|
1611 | |
|
|
1612 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1275 | |
1613 | |
1276 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
1614 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
1277 | ev_stop (EV_A_ (W)w); |
1615 | ev_stop (EV_A_ (W)w); |
1278 | |
1616 | |
1279 | fd_change (EV_A_ w->fd); |
1617 | fd_change (EV_A_ w->fd); |
1280 | } |
1618 | } |
1281 | |
1619 | |
1282 | void |
1620 | void noinline |
1283 | ev_timer_start (EV_P_ struct ev_timer *w) |
1621 | ev_timer_start (EV_P_ ev_timer *w) |
1284 | { |
1622 | { |
1285 | if (ev_is_active (w)) |
1623 | if (expect_false (ev_is_active (w))) |
1286 | return; |
1624 | return; |
1287 | |
1625 | |
1288 | ((WT)w)->at += mn_now; |
1626 | ((WT)w)->at += mn_now; |
1289 | |
1627 | |
1290 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1628 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1291 | |
1629 | |
1292 | ev_start (EV_A_ (W)w, ++timercnt); |
1630 | ev_start (EV_A_ (W)w, ++timercnt); |
1293 | array_needsize (struct ev_timer *, timers, timermax, timercnt, (void)); |
1631 | array_needsize (ev_timer *, timers, timermax, timercnt, EMPTY2); |
1294 | timers [timercnt - 1] = w; |
1632 | timers [timercnt - 1] = w; |
1295 | upheap ((WT *)timers, timercnt - 1); |
1633 | upheap ((WT *)timers, timercnt - 1); |
1296 | |
1634 | |
|
|
1635 | /*assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w));*/ |
|
|
1636 | } |
|
|
1637 | |
|
|
1638 | void noinline |
|
|
1639 | ev_timer_stop (EV_P_ ev_timer *w) |
|
|
1640 | { |
|
|
1641 | clear_pending (EV_A_ (W)w); |
|
|
1642 | if (expect_false (!ev_is_active (w))) |
|
|
1643 | return; |
|
|
1644 | |
1297 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1645 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1298 | } |
|
|
1299 | |
1646 | |
1300 | void |
1647 | { |
1301 | ev_timer_stop (EV_P_ struct ev_timer *w) |
1648 | int active = ((W)w)->active; |
1302 | { |
|
|
1303 | ev_clear_pending (EV_A_ (W)w); |
|
|
1304 | if (!ev_is_active (w)) |
|
|
1305 | return; |
|
|
1306 | |
1649 | |
1307 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1650 | if (expect_true (--active < --timercnt)) |
1308 | |
|
|
1309 | if (((W)w)->active < timercnt--) |
|
|
1310 | { |
1651 | { |
1311 | timers [((W)w)->active - 1] = timers [timercnt]; |
1652 | timers [active] = timers [timercnt]; |
1312 | downheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1653 | adjustheap ((WT *)timers, timercnt, active); |
1313 | } |
1654 | } |
|
|
1655 | } |
1314 | |
1656 | |
1315 | ((WT)w)->at = w->repeat; |
1657 | ((WT)w)->at -= mn_now; |
1316 | |
1658 | |
1317 | ev_stop (EV_A_ (W)w); |
1659 | ev_stop (EV_A_ (W)w); |
1318 | } |
1660 | } |
1319 | |
1661 | |
1320 | void |
1662 | void noinline |
1321 | ev_timer_again (EV_P_ struct ev_timer *w) |
1663 | ev_timer_again (EV_P_ ev_timer *w) |
1322 | { |
1664 | { |
1323 | if (ev_is_active (w)) |
1665 | if (ev_is_active (w)) |
1324 | { |
1666 | { |
1325 | if (w->repeat) |
1667 | if (w->repeat) |
1326 | { |
1668 | { |
1327 | ((WT)w)->at = mn_now + w->repeat; |
1669 | ((WT)w)->at = mn_now + w->repeat; |
1328 | downheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1670 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1329 | } |
1671 | } |
1330 | else |
1672 | else |
1331 | ev_timer_stop (EV_A_ w); |
1673 | ev_timer_stop (EV_A_ w); |
1332 | } |
1674 | } |
1333 | else if (w->repeat) |
1675 | else if (w->repeat) |
|
|
1676 | { |
|
|
1677 | w->at = w->repeat; |
1334 | ev_timer_start (EV_A_ w); |
1678 | ev_timer_start (EV_A_ w); |
|
|
1679 | } |
1335 | } |
1680 | } |
1336 | |
1681 | |
1337 | void |
1682 | #if EV_PERIODIC_ENABLE |
|
|
1683 | void noinline |
1338 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
1684 | ev_periodic_start (EV_P_ ev_periodic *w) |
1339 | { |
1685 | { |
1340 | if (ev_is_active (w)) |
1686 | if (expect_false (ev_is_active (w))) |
1341 | return; |
1687 | return; |
1342 | |
1688 | |
1343 | if (w->reschedule_cb) |
1689 | if (w->reschedule_cb) |
1344 | ((WT)w)->at = w->reschedule_cb (w, rt_now); |
1690 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1345 | else if (w->interval) |
1691 | else if (w->interval) |
1346 | { |
1692 | { |
1347 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1693 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1348 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1694 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1349 | ((WT)w)->at += ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1695 | ((WT)w)->at = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval; |
1350 | } |
1696 | } |
|
|
1697 | else |
|
|
1698 | ((WT)w)->at = w->offset; |
1351 | |
1699 | |
1352 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1700 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1353 | array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, (void)); |
1701 | array_needsize (ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); |
1354 | periodics [periodiccnt - 1] = w; |
1702 | periodics [periodiccnt - 1] = w; |
1355 | upheap ((WT *)periodics, periodiccnt - 1); |
1703 | upheap ((WT *)periodics, periodiccnt - 1); |
1356 | |
1704 | |
|
|
1705 | /*assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w));*/ |
|
|
1706 | } |
|
|
1707 | |
|
|
1708 | void noinline |
|
|
1709 | ev_periodic_stop (EV_P_ ev_periodic *w) |
|
|
1710 | { |
|
|
1711 | clear_pending (EV_A_ (W)w); |
|
|
1712 | if (expect_false (!ev_is_active (w))) |
|
|
1713 | return; |
|
|
1714 | |
1357 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1715 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1358 | } |
|
|
1359 | |
1716 | |
1360 | void |
1717 | { |
1361 | ev_periodic_stop (EV_P_ struct ev_periodic *w) |
1718 | int active = ((W)w)->active; |
1362 | { |
|
|
1363 | ev_clear_pending (EV_A_ (W)w); |
|
|
1364 | if (!ev_is_active (w)) |
|
|
1365 | return; |
|
|
1366 | |
1719 | |
1367 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1720 | if (expect_true (--active < --periodiccnt)) |
1368 | |
|
|
1369 | if (((W)w)->active < periodiccnt--) |
|
|
1370 | { |
1721 | { |
1371 | periodics [((W)w)->active - 1] = periodics [periodiccnt]; |
1722 | periodics [active] = periodics [periodiccnt]; |
1372 | downheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); |
1723 | adjustheap ((WT *)periodics, periodiccnt, active); |
1373 | } |
1724 | } |
|
|
1725 | } |
1374 | |
1726 | |
1375 | ev_stop (EV_A_ (W)w); |
1727 | ev_stop (EV_A_ (W)w); |
1376 | } |
1728 | } |
1377 | |
1729 | |
1378 | void |
1730 | void noinline |
1379 | ev_periodic_again (EV_P_ struct ev_periodic *w) |
1731 | ev_periodic_again (EV_P_ ev_periodic *w) |
1380 | { |
1732 | { |
|
|
1733 | /* TODO: use adjustheap and recalculation */ |
1381 | ev_periodic_stop (EV_A_ w); |
1734 | ev_periodic_stop (EV_A_ w); |
1382 | ev_periodic_start (EV_A_ w); |
1735 | ev_periodic_start (EV_A_ w); |
1383 | } |
1736 | } |
1384 | |
1737 | #endif |
1385 | void |
|
|
1386 | ev_idle_start (EV_P_ struct ev_idle *w) |
|
|
1387 | { |
|
|
1388 | if (ev_is_active (w)) |
|
|
1389 | return; |
|
|
1390 | |
|
|
1391 | ev_start (EV_A_ (W)w, ++idlecnt); |
|
|
1392 | array_needsize (struct ev_idle *, idles, idlemax, idlecnt, (void)); |
|
|
1393 | idles [idlecnt - 1] = w; |
|
|
1394 | } |
|
|
1395 | |
|
|
1396 | void |
|
|
1397 | ev_idle_stop (EV_P_ struct ev_idle *w) |
|
|
1398 | { |
|
|
1399 | ev_clear_pending (EV_A_ (W)w); |
|
|
1400 | if (ev_is_active (w)) |
|
|
1401 | return; |
|
|
1402 | |
|
|
1403 | idles [((W)w)->active - 1] = idles [--idlecnt]; |
|
|
1404 | ev_stop (EV_A_ (W)w); |
|
|
1405 | } |
|
|
1406 | |
|
|
1407 | void |
|
|
1408 | ev_prepare_start (EV_P_ struct ev_prepare *w) |
|
|
1409 | { |
|
|
1410 | if (ev_is_active (w)) |
|
|
1411 | return; |
|
|
1412 | |
|
|
1413 | ev_start (EV_A_ (W)w, ++preparecnt); |
|
|
1414 | array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, (void)); |
|
|
1415 | prepares [preparecnt - 1] = w; |
|
|
1416 | } |
|
|
1417 | |
|
|
1418 | void |
|
|
1419 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
|
|
1420 | { |
|
|
1421 | ev_clear_pending (EV_A_ (W)w); |
|
|
1422 | if (ev_is_active (w)) |
|
|
1423 | return; |
|
|
1424 | |
|
|
1425 | prepares [((W)w)->active - 1] = prepares [--preparecnt]; |
|
|
1426 | ev_stop (EV_A_ (W)w); |
|
|
1427 | } |
|
|
1428 | |
|
|
1429 | void |
|
|
1430 | ev_check_start (EV_P_ struct ev_check *w) |
|
|
1431 | { |
|
|
1432 | if (ev_is_active (w)) |
|
|
1433 | return; |
|
|
1434 | |
|
|
1435 | ev_start (EV_A_ (W)w, ++checkcnt); |
|
|
1436 | array_needsize (struct ev_check *, checks, checkmax, checkcnt, (void)); |
|
|
1437 | checks [checkcnt - 1] = w; |
|
|
1438 | } |
|
|
1439 | |
|
|
1440 | void |
|
|
1441 | ev_check_stop (EV_P_ struct ev_check *w) |
|
|
1442 | { |
|
|
1443 | ev_clear_pending (EV_A_ (W)w); |
|
|
1444 | if (ev_is_active (w)) |
|
|
1445 | return; |
|
|
1446 | |
|
|
1447 | checks [((W)w)->active - 1] = checks [--checkcnt]; |
|
|
1448 | ev_stop (EV_A_ (W)w); |
|
|
1449 | } |
|
|
1450 | |
1738 | |
1451 | #ifndef SA_RESTART |
1739 | #ifndef SA_RESTART |
1452 | # define SA_RESTART 0 |
1740 | # define SA_RESTART 0 |
1453 | #endif |
1741 | #endif |
1454 | |
1742 | |
1455 | void |
1743 | void noinline |
1456 | ev_signal_start (EV_P_ struct ev_signal *w) |
1744 | ev_signal_start (EV_P_ ev_signal *w) |
1457 | { |
1745 | { |
1458 | #if EV_MULTIPLICITY |
1746 | #if EV_MULTIPLICITY |
1459 | assert (("signal watchers are only supported in the default loop", loop == default_loop)); |
1747 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1460 | #endif |
1748 | #endif |
1461 | if (ev_is_active (w)) |
1749 | if (expect_false (ev_is_active (w))) |
1462 | return; |
1750 | return; |
1463 | |
1751 | |
1464 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1752 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1465 | |
1753 | |
1466 | ev_start (EV_A_ (W)w, 1); |
1754 | ev_start (EV_A_ (W)w, 1); |
1467 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
1755 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
1468 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1756 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1469 | |
1757 | |
1470 | if (!((WL)w)->next) |
1758 | if (!((WL)w)->next) |
1471 | { |
1759 | { |
1472 | #if WIN32 |
1760 | #if _WIN32 |
1473 | signal (w->signum, sighandler); |
1761 | signal (w->signum, sighandler); |
1474 | #else |
1762 | #else |
1475 | struct sigaction sa; |
1763 | struct sigaction sa; |
1476 | sa.sa_handler = sighandler; |
1764 | sa.sa_handler = sighandler; |
1477 | sigfillset (&sa.sa_mask); |
1765 | sigfillset (&sa.sa_mask); |
… | |
… | |
1479 | sigaction (w->signum, &sa, 0); |
1767 | sigaction (w->signum, &sa, 0); |
1480 | #endif |
1768 | #endif |
1481 | } |
1769 | } |
1482 | } |
1770 | } |
1483 | |
1771 | |
1484 | void |
1772 | void noinline |
1485 | ev_signal_stop (EV_P_ struct ev_signal *w) |
1773 | ev_signal_stop (EV_P_ ev_signal *w) |
1486 | { |
1774 | { |
1487 | ev_clear_pending (EV_A_ (W)w); |
1775 | clear_pending (EV_A_ (W)w); |
1488 | if (!ev_is_active (w)) |
1776 | if (expect_false (!ev_is_active (w))) |
1489 | return; |
1777 | return; |
1490 | |
1778 | |
1491 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
1779 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
1492 | ev_stop (EV_A_ (W)w); |
1780 | ev_stop (EV_A_ (W)w); |
1493 | |
1781 | |
1494 | if (!signals [w->signum - 1].head) |
1782 | if (!signals [w->signum - 1].head) |
1495 | signal (w->signum, SIG_DFL); |
1783 | signal (w->signum, SIG_DFL); |
1496 | } |
1784 | } |
1497 | |
1785 | |
1498 | void |
1786 | void |
1499 | ev_child_start (EV_P_ struct ev_child *w) |
1787 | ev_child_start (EV_P_ ev_child *w) |
1500 | { |
1788 | { |
1501 | #if EV_MULTIPLICITY |
1789 | #if EV_MULTIPLICITY |
1502 | assert (("child watchers are only supported in the default loop", loop == default_loop)); |
1790 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1503 | #endif |
1791 | #endif |
1504 | if (ev_is_active (w)) |
1792 | if (expect_false (ev_is_active (w))) |
1505 | return; |
1793 | return; |
1506 | |
1794 | |
1507 | ev_start (EV_A_ (W)w, 1); |
1795 | ev_start (EV_A_ (W)w, 1); |
1508 | wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1796 | wlist_add ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1509 | } |
1797 | } |
1510 | |
1798 | |
1511 | void |
1799 | void |
1512 | ev_child_stop (EV_P_ struct ev_child *w) |
1800 | ev_child_stop (EV_P_ ev_child *w) |
1513 | { |
1801 | { |
1514 | ev_clear_pending (EV_A_ (W)w); |
1802 | clear_pending (EV_A_ (W)w); |
1515 | if (ev_is_active (w)) |
1803 | if (expect_false (!ev_is_active (w))) |
1516 | return; |
1804 | return; |
1517 | |
1805 | |
1518 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1806 | wlist_del ((WL *)&childs [w->pid & (EV_PID_HASHSIZE - 1)], (WL)w); |
1519 | ev_stop (EV_A_ (W)w); |
1807 | ev_stop (EV_A_ (W)w); |
1520 | } |
1808 | } |
1521 | |
1809 | |
|
|
1810 | #if EV_STAT_ENABLE |
|
|
1811 | |
|
|
1812 | # ifdef _WIN32 |
|
|
1813 | # undef lstat |
|
|
1814 | # define lstat(a,b) _stati64 (a,b) |
|
|
1815 | # endif |
|
|
1816 | |
|
|
1817 | #define DEF_STAT_INTERVAL 5.0074891 |
|
|
1818 | #define MIN_STAT_INTERVAL 0.1074891 |
|
|
1819 | |
|
|
1820 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
|
|
1821 | |
|
|
1822 | #if EV_USE_INOTIFY |
|
|
1823 | # define EV_INOTIFY_BUFSIZE 8192 |
|
|
1824 | |
|
|
1825 | static void noinline |
|
|
1826 | infy_add (EV_P_ ev_stat *w) |
|
|
1827 | { |
|
|
1828 | 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); |
|
|
1829 | |
|
|
1830 | if (w->wd < 0) |
|
|
1831 | { |
|
|
1832 | ev_timer_start (EV_A_ &w->timer); /* this is not race-free, so we still need to recheck periodically */ |
|
|
1833 | |
|
|
1834 | /* monitor some parent directory for speedup hints */ |
|
|
1835 | if ((errno == ENOENT || errno == EACCES) && strlen (w->path) < 4096) |
|
|
1836 | { |
|
|
1837 | char path [4096]; |
|
|
1838 | strcpy (path, w->path); |
|
|
1839 | |
|
|
1840 | do |
|
|
1841 | { |
|
|
1842 | int mask = IN_MASK_ADD | IN_DELETE_SELF | IN_MOVE_SELF |
|
|
1843 | | (errno == EACCES ? IN_ATTRIB : IN_CREATE | IN_MOVED_TO); |
|
|
1844 | |
|
|
1845 | char *pend = strrchr (path, '/'); |
|
|
1846 | |
|
|
1847 | if (!pend) |
|
|
1848 | break; /* whoops, no '/', complain to your admin */ |
|
|
1849 | |
|
|
1850 | *pend = 0; |
|
|
1851 | w->wd = inotify_add_watch (fs_fd, path, mask); |
|
|
1852 | } |
|
|
1853 | while (w->wd < 0 && (errno == ENOENT || errno == EACCES)); |
|
|
1854 | } |
|
|
1855 | } |
|
|
1856 | else |
|
|
1857 | ev_timer_stop (EV_A_ &w->timer); /* we can watch this in a race-free way */ |
|
|
1858 | |
|
|
1859 | if (w->wd >= 0) |
|
|
1860 | wlist_add (&fs_hash [w->wd & (EV_INOTIFY_HASHSIZE - 1)].head, (WL)w); |
|
|
1861 | } |
|
|
1862 | |
|
|
1863 | static void noinline |
|
|
1864 | infy_del (EV_P_ ev_stat *w) |
|
|
1865 | { |
|
|
1866 | int slot; |
|
|
1867 | int wd = w->wd; |
|
|
1868 | |
|
|
1869 | if (wd < 0) |
|
|
1870 | return; |
|
|
1871 | |
|
|
1872 | w->wd = -2; |
|
|
1873 | slot = wd & (EV_INOTIFY_HASHSIZE - 1); |
|
|
1874 | wlist_del (&fs_hash [slot].head, (WL)w); |
|
|
1875 | |
|
|
1876 | /* remove this watcher, if others are watching it, they will rearm */ |
|
|
1877 | inotify_rm_watch (fs_fd, wd); |
|
|
1878 | } |
|
|
1879 | |
|
|
1880 | static void noinline |
|
|
1881 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
|
|
1882 | { |
|
|
1883 | if (slot < 0) |
|
|
1884 | /* overflow, need to check for all hahs slots */ |
|
|
1885 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
|
|
1886 | infy_wd (EV_A_ slot, wd, ev); |
|
|
1887 | else |
|
|
1888 | { |
|
|
1889 | WL w_; |
|
|
1890 | |
|
|
1891 | for (w_ = fs_hash [slot & (EV_INOTIFY_HASHSIZE - 1)].head; w_; ) |
|
|
1892 | { |
|
|
1893 | ev_stat *w = (ev_stat *)w_; |
|
|
1894 | w_ = w_->next; /* lets us remove this watcher and all before it */ |
|
|
1895 | |
|
|
1896 | if (w->wd == wd || wd == -1) |
|
|
1897 | { |
|
|
1898 | if (ev->mask & (IN_IGNORED | IN_UNMOUNT | IN_DELETE_SELF)) |
|
|
1899 | { |
|
|
1900 | w->wd = -1; |
|
|
1901 | infy_add (EV_A_ w); /* re-add, no matter what */ |
|
|
1902 | } |
|
|
1903 | |
|
|
1904 | stat_timer_cb (EV_A_ &w->timer, 0); |
|
|
1905 | } |
|
|
1906 | } |
|
|
1907 | } |
|
|
1908 | } |
|
|
1909 | |
|
|
1910 | static void |
|
|
1911 | infy_cb (EV_P_ ev_io *w, int revents) |
|
|
1912 | { |
|
|
1913 | char buf [EV_INOTIFY_BUFSIZE]; |
|
|
1914 | struct inotify_event *ev = (struct inotify_event *)buf; |
|
|
1915 | int ofs; |
|
|
1916 | int len = read (fs_fd, buf, sizeof (buf)); |
|
|
1917 | |
|
|
1918 | for (ofs = 0; ofs < len; ofs += sizeof (struct inotify_event) + ev->len) |
|
|
1919 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
|
|
1920 | } |
|
|
1921 | |
|
|
1922 | void inline_size |
|
|
1923 | infy_init (EV_P) |
|
|
1924 | { |
|
|
1925 | if (fs_fd != -2) |
|
|
1926 | return; |
|
|
1927 | |
|
|
1928 | fs_fd = inotify_init (); |
|
|
1929 | |
|
|
1930 | if (fs_fd >= 0) |
|
|
1931 | { |
|
|
1932 | ev_io_init (&fs_w, infy_cb, fs_fd, EV_READ); |
|
|
1933 | ev_set_priority (&fs_w, EV_MAXPRI); |
|
|
1934 | ev_io_start (EV_A_ &fs_w); |
|
|
1935 | } |
|
|
1936 | } |
|
|
1937 | |
|
|
1938 | void inline_size |
|
|
1939 | infy_fork (EV_P) |
|
|
1940 | { |
|
|
1941 | int slot; |
|
|
1942 | |
|
|
1943 | if (fs_fd < 0) |
|
|
1944 | return; |
|
|
1945 | |
|
|
1946 | close (fs_fd); |
|
|
1947 | fs_fd = inotify_init (); |
|
|
1948 | |
|
|
1949 | for (slot = 0; slot < EV_INOTIFY_HASHSIZE; ++slot) |
|
|
1950 | { |
|
|
1951 | WL w_ = fs_hash [slot].head; |
|
|
1952 | fs_hash [slot].head = 0; |
|
|
1953 | |
|
|
1954 | while (w_) |
|
|
1955 | { |
|
|
1956 | ev_stat *w = (ev_stat *)w_; |
|
|
1957 | w_ = w_->next; /* lets us add this watcher */ |
|
|
1958 | |
|
|
1959 | w->wd = -1; |
|
|
1960 | |
|
|
1961 | if (fs_fd >= 0) |
|
|
1962 | infy_add (EV_A_ w); /* re-add, no matter what */ |
|
|
1963 | else |
|
|
1964 | ev_timer_start (EV_A_ &w->timer); |
|
|
1965 | } |
|
|
1966 | |
|
|
1967 | } |
|
|
1968 | } |
|
|
1969 | |
|
|
1970 | #endif |
|
|
1971 | |
|
|
1972 | void |
|
|
1973 | ev_stat_stat (EV_P_ ev_stat *w) |
|
|
1974 | { |
|
|
1975 | if (lstat (w->path, &w->attr) < 0) |
|
|
1976 | w->attr.st_nlink = 0; |
|
|
1977 | else if (!w->attr.st_nlink) |
|
|
1978 | w->attr.st_nlink = 1; |
|
|
1979 | } |
|
|
1980 | |
|
|
1981 | static void noinline |
|
|
1982 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
|
|
1983 | { |
|
|
1984 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
|
|
1985 | |
|
|
1986 | /* we copy this here each the time so that */ |
|
|
1987 | /* prev has the old value when the callback gets invoked */ |
|
|
1988 | w->prev = w->attr; |
|
|
1989 | ev_stat_stat (EV_A_ w); |
|
|
1990 | |
|
|
1991 | /* memcmp doesn't work on netbsd, they.... do stuff to their struct stat */ |
|
|
1992 | if ( |
|
|
1993 | w->prev.st_dev != w->attr.st_dev |
|
|
1994 | || w->prev.st_ino != w->attr.st_ino |
|
|
1995 | || w->prev.st_mode != w->attr.st_mode |
|
|
1996 | || w->prev.st_nlink != w->attr.st_nlink |
|
|
1997 | || w->prev.st_uid != w->attr.st_uid |
|
|
1998 | || w->prev.st_gid != w->attr.st_gid |
|
|
1999 | || w->prev.st_rdev != w->attr.st_rdev |
|
|
2000 | || w->prev.st_size != w->attr.st_size |
|
|
2001 | || w->prev.st_atime != w->attr.st_atime |
|
|
2002 | || w->prev.st_mtime != w->attr.st_mtime |
|
|
2003 | || w->prev.st_ctime != w->attr.st_ctime |
|
|
2004 | ) { |
|
|
2005 | #if EV_USE_INOTIFY |
|
|
2006 | infy_del (EV_A_ w); |
|
|
2007 | infy_add (EV_A_ w); |
|
|
2008 | ev_stat_stat (EV_A_ w); /* avoid race... */ |
|
|
2009 | #endif |
|
|
2010 | |
|
|
2011 | ev_feed_event (EV_A_ w, EV_STAT); |
|
|
2012 | } |
|
|
2013 | } |
|
|
2014 | |
|
|
2015 | void |
|
|
2016 | ev_stat_start (EV_P_ ev_stat *w) |
|
|
2017 | { |
|
|
2018 | if (expect_false (ev_is_active (w))) |
|
|
2019 | return; |
|
|
2020 | |
|
|
2021 | /* since we use memcmp, we need to clear any padding data etc. */ |
|
|
2022 | memset (&w->prev, 0, sizeof (ev_statdata)); |
|
|
2023 | memset (&w->attr, 0, sizeof (ev_statdata)); |
|
|
2024 | |
|
|
2025 | ev_stat_stat (EV_A_ w); |
|
|
2026 | |
|
|
2027 | if (w->interval < MIN_STAT_INTERVAL) |
|
|
2028 | w->interval = w->interval ? MIN_STAT_INTERVAL : DEF_STAT_INTERVAL; |
|
|
2029 | |
|
|
2030 | ev_timer_init (&w->timer, stat_timer_cb, w->interval, w->interval); |
|
|
2031 | ev_set_priority (&w->timer, ev_priority (w)); |
|
|
2032 | |
|
|
2033 | #if EV_USE_INOTIFY |
|
|
2034 | infy_init (EV_A); |
|
|
2035 | |
|
|
2036 | if (fs_fd >= 0) |
|
|
2037 | infy_add (EV_A_ w); |
|
|
2038 | else |
|
|
2039 | #endif |
|
|
2040 | ev_timer_start (EV_A_ &w->timer); |
|
|
2041 | |
|
|
2042 | ev_start (EV_A_ (W)w, 1); |
|
|
2043 | } |
|
|
2044 | |
|
|
2045 | void |
|
|
2046 | ev_stat_stop (EV_P_ ev_stat *w) |
|
|
2047 | { |
|
|
2048 | clear_pending (EV_A_ (W)w); |
|
|
2049 | if (expect_false (!ev_is_active (w))) |
|
|
2050 | return; |
|
|
2051 | |
|
|
2052 | #if EV_USE_INOTIFY |
|
|
2053 | infy_del (EV_A_ w); |
|
|
2054 | #endif |
|
|
2055 | ev_timer_stop (EV_A_ &w->timer); |
|
|
2056 | |
|
|
2057 | ev_stop (EV_A_ (W)w); |
|
|
2058 | } |
|
|
2059 | #endif |
|
|
2060 | |
|
|
2061 | #if EV_IDLE_ENABLE |
|
|
2062 | void |
|
|
2063 | ev_idle_start (EV_P_ ev_idle *w) |
|
|
2064 | { |
|
|
2065 | if (expect_false (ev_is_active (w))) |
|
|
2066 | return; |
|
|
2067 | |
|
|
2068 | pri_adjust (EV_A_ (W)w); |
|
|
2069 | |
|
|
2070 | { |
|
|
2071 | int active = ++idlecnt [ABSPRI (w)]; |
|
|
2072 | |
|
|
2073 | ++idleall; |
|
|
2074 | ev_start (EV_A_ (W)w, active); |
|
|
2075 | |
|
|
2076 | array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2); |
|
|
2077 | idles [ABSPRI (w)][active - 1] = w; |
|
|
2078 | } |
|
|
2079 | } |
|
|
2080 | |
|
|
2081 | void |
|
|
2082 | ev_idle_stop (EV_P_ ev_idle *w) |
|
|
2083 | { |
|
|
2084 | clear_pending (EV_A_ (W)w); |
|
|
2085 | if (expect_false (!ev_is_active (w))) |
|
|
2086 | return; |
|
|
2087 | |
|
|
2088 | { |
|
|
2089 | int active = ((W)w)->active; |
|
|
2090 | |
|
|
2091 | idles [ABSPRI (w)][active - 1] = idles [ABSPRI (w)][--idlecnt [ABSPRI (w)]]; |
|
|
2092 | ((W)idles [ABSPRI (w)][active - 1])->active = active; |
|
|
2093 | |
|
|
2094 | ev_stop (EV_A_ (W)w); |
|
|
2095 | --idleall; |
|
|
2096 | } |
|
|
2097 | } |
|
|
2098 | #endif |
|
|
2099 | |
|
|
2100 | void |
|
|
2101 | ev_prepare_start (EV_P_ ev_prepare *w) |
|
|
2102 | { |
|
|
2103 | if (expect_false (ev_is_active (w))) |
|
|
2104 | return; |
|
|
2105 | |
|
|
2106 | ev_start (EV_A_ (W)w, ++preparecnt); |
|
|
2107 | array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
|
|
2108 | prepares [preparecnt - 1] = w; |
|
|
2109 | } |
|
|
2110 | |
|
|
2111 | void |
|
|
2112 | ev_prepare_stop (EV_P_ ev_prepare *w) |
|
|
2113 | { |
|
|
2114 | clear_pending (EV_A_ (W)w); |
|
|
2115 | if (expect_false (!ev_is_active (w))) |
|
|
2116 | return; |
|
|
2117 | |
|
|
2118 | { |
|
|
2119 | int active = ((W)w)->active; |
|
|
2120 | prepares [active - 1] = prepares [--preparecnt]; |
|
|
2121 | ((W)prepares [active - 1])->active = active; |
|
|
2122 | } |
|
|
2123 | |
|
|
2124 | ev_stop (EV_A_ (W)w); |
|
|
2125 | } |
|
|
2126 | |
|
|
2127 | void |
|
|
2128 | ev_check_start (EV_P_ ev_check *w) |
|
|
2129 | { |
|
|
2130 | if (expect_false (ev_is_active (w))) |
|
|
2131 | return; |
|
|
2132 | |
|
|
2133 | ev_start (EV_A_ (W)w, ++checkcnt); |
|
|
2134 | array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2); |
|
|
2135 | checks [checkcnt - 1] = w; |
|
|
2136 | } |
|
|
2137 | |
|
|
2138 | void |
|
|
2139 | ev_check_stop (EV_P_ ev_check *w) |
|
|
2140 | { |
|
|
2141 | clear_pending (EV_A_ (W)w); |
|
|
2142 | if (expect_false (!ev_is_active (w))) |
|
|
2143 | return; |
|
|
2144 | |
|
|
2145 | { |
|
|
2146 | int active = ((W)w)->active; |
|
|
2147 | checks [active - 1] = checks [--checkcnt]; |
|
|
2148 | ((W)checks [active - 1])->active = active; |
|
|
2149 | } |
|
|
2150 | |
|
|
2151 | ev_stop (EV_A_ (W)w); |
|
|
2152 | } |
|
|
2153 | |
|
|
2154 | #if EV_EMBED_ENABLE |
|
|
2155 | void noinline |
|
|
2156 | ev_embed_sweep (EV_P_ ev_embed *w) |
|
|
2157 | { |
|
|
2158 | ev_loop (w->loop, EVLOOP_NONBLOCK); |
|
|
2159 | } |
|
|
2160 | |
|
|
2161 | static void |
|
|
2162 | embed_cb (EV_P_ ev_io *io, int revents) |
|
|
2163 | { |
|
|
2164 | ev_embed *w = (ev_embed *)(((char *)io) - offsetof (ev_embed, io)); |
|
|
2165 | |
|
|
2166 | if (ev_cb (w)) |
|
|
2167 | ev_feed_event (EV_A_ (W)w, EV_EMBED); |
|
|
2168 | else |
|
|
2169 | ev_embed_sweep (loop, w); |
|
|
2170 | } |
|
|
2171 | |
|
|
2172 | void |
|
|
2173 | ev_embed_start (EV_P_ ev_embed *w) |
|
|
2174 | { |
|
|
2175 | if (expect_false (ev_is_active (w))) |
|
|
2176 | return; |
|
|
2177 | |
|
|
2178 | { |
|
|
2179 | struct ev_loop *loop = w->loop; |
|
|
2180 | assert (("loop to be embedded is not embeddable", backend & ev_embeddable_backends ())); |
|
|
2181 | ev_io_init (&w->io, embed_cb, backend_fd, EV_READ); |
|
|
2182 | } |
|
|
2183 | |
|
|
2184 | ev_set_priority (&w->io, ev_priority (w)); |
|
|
2185 | ev_io_start (EV_A_ &w->io); |
|
|
2186 | |
|
|
2187 | ev_start (EV_A_ (W)w, 1); |
|
|
2188 | } |
|
|
2189 | |
|
|
2190 | void |
|
|
2191 | ev_embed_stop (EV_P_ ev_embed *w) |
|
|
2192 | { |
|
|
2193 | clear_pending (EV_A_ (W)w); |
|
|
2194 | if (expect_false (!ev_is_active (w))) |
|
|
2195 | return; |
|
|
2196 | |
|
|
2197 | ev_io_stop (EV_A_ &w->io); |
|
|
2198 | |
|
|
2199 | ev_stop (EV_A_ (W)w); |
|
|
2200 | } |
|
|
2201 | #endif |
|
|
2202 | |
|
|
2203 | #if EV_FORK_ENABLE |
|
|
2204 | void |
|
|
2205 | ev_fork_start (EV_P_ ev_fork *w) |
|
|
2206 | { |
|
|
2207 | if (expect_false (ev_is_active (w))) |
|
|
2208 | return; |
|
|
2209 | |
|
|
2210 | ev_start (EV_A_ (W)w, ++forkcnt); |
|
|
2211 | array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2); |
|
|
2212 | forks [forkcnt - 1] = w; |
|
|
2213 | } |
|
|
2214 | |
|
|
2215 | void |
|
|
2216 | ev_fork_stop (EV_P_ ev_fork *w) |
|
|
2217 | { |
|
|
2218 | clear_pending (EV_A_ (W)w); |
|
|
2219 | if (expect_false (!ev_is_active (w))) |
|
|
2220 | return; |
|
|
2221 | |
|
|
2222 | { |
|
|
2223 | int active = ((W)w)->active; |
|
|
2224 | forks [active - 1] = forks [--forkcnt]; |
|
|
2225 | ((W)forks [active - 1])->active = active; |
|
|
2226 | } |
|
|
2227 | |
|
|
2228 | ev_stop (EV_A_ (W)w); |
|
|
2229 | } |
|
|
2230 | #endif |
|
|
2231 | |
1522 | /*****************************************************************************/ |
2232 | /*****************************************************************************/ |
1523 | |
2233 | |
1524 | struct ev_once |
2234 | struct ev_once |
1525 | { |
2235 | { |
1526 | struct ev_io io; |
2236 | ev_io io; |
1527 | struct ev_timer to; |
2237 | ev_timer to; |
1528 | void (*cb)(int revents, void *arg); |
2238 | void (*cb)(int revents, void *arg); |
1529 | void *arg; |
2239 | void *arg; |
1530 | }; |
2240 | }; |
1531 | |
2241 | |
1532 | static void |
2242 | static void |
… | |
… | |
1541 | |
2251 | |
1542 | cb (revents, arg); |
2252 | cb (revents, arg); |
1543 | } |
2253 | } |
1544 | |
2254 | |
1545 | static void |
2255 | static void |
1546 | once_cb_io (EV_P_ struct ev_io *w, int revents) |
2256 | once_cb_io (EV_P_ ev_io *w, int revents) |
1547 | { |
2257 | { |
1548 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents); |
2258 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents); |
1549 | } |
2259 | } |
1550 | |
2260 | |
1551 | static void |
2261 | static void |
1552 | once_cb_to (EV_P_ struct ev_timer *w, int revents) |
2262 | once_cb_to (EV_P_ ev_timer *w, int revents) |
1553 | { |
2263 | { |
1554 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents); |
2264 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents); |
1555 | } |
2265 | } |
1556 | |
2266 | |
1557 | void |
2267 | void |
1558 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
2268 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
1559 | { |
2269 | { |
1560 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
2270 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
1561 | |
2271 | |
1562 | if (!once) |
2272 | if (expect_false (!once)) |
|
|
2273 | { |
1563 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
2274 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
1564 | else |
2275 | return; |
1565 | { |
2276 | } |
|
|
2277 | |
1566 | once->cb = cb; |
2278 | once->cb = cb; |
1567 | once->arg = arg; |
2279 | once->arg = arg; |
1568 | |
2280 | |
1569 | ev_watcher_init (&once->io, once_cb_io); |
2281 | ev_init (&once->io, once_cb_io); |
1570 | if (fd >= 0) |
2282 | if (fd >= 0) |
1571 | { |
2283 | { |
1572 | ev_io_set (&once->io, fd, events); |
2284 | ev_io_set (&once->io, fd, events); |
1573 | ev_io_start (EV_A_ &once->io); |
2285 | ev_io_start (EV_A_ &once->io); |
1574 | } |
2286 | } |
1575 | |
2287 | |
1576 | ev_watcher_init (&once->to, once_cb_to); |
2288 | ev_init (&once->to, once_cb_to); |
1577 | if (timeout >= 0.) |
2289 | if (timeout >= 0.) |
1578 | { |
2290 | { |
1579 | ev_timer_set (&once->to, timeout, 0.); |
2291 | ev_timer_set (&once->to, timeout, 0.); |
1580 | ev_timer_start (EV_A_ &once->to); |
2292 | ev_timer_start (EV_A_ &once->to); |
1581 | } |
|
|
1582 | } |
2293 | } |
1583 | } |
2294 | } |
1584 | |
2295 | |
|
|
2296 | #ifdef __cplusplus |
|
|
2297 | } |
|
|
2298 | #endif |
|
|
2299 | |