… | |
… | |
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 |
32 | # include "config.h" |
37 | # include "config.h" |
33 | |
38 | |
34 | # if HAVE_CLOCK_GETTIME |
39 | # if HAVE_CLOCK_GETTIME |
|
|
40 | # ifndef EV_USE_MONOTONIC |
35 | # define EV_USE_MONOTONIC 1 |
41 | # define EV_USE_MONOTONIC 1 |
|
|
42 | # endif |
|
|
43 | # ifndef EV_USE_REALTIME |
36 | # define EV_USE_REALTIME 1 |
44 | # define EV_USE_REALTIME 1 |
|
|
45 | # endif |
|
|
46 | # else |
|
|
47 | # ifndef EV_USE_MONOTONIC |
|
|
48 | # define EV_USE_MONOTONIC 0 |
|
|
49 | # endif |
|
|
50 | # ifndef EV_USE_REALTIME |
|
|
51 | # define EV_USE_REALTIME 0 |
|
|
52 | # endif |
37 | # endif |
53 | # endif |
38 | |
54 | |
|
|
55 | # ifndef EV_USE_SELECT |
39 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
56 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
40 | # define EV_USE_SELECT 1 |
57 | # define EV_USE_SELECT 1 |
|
|
58 | # else |
|
|
59 | # define EV_USE_SELECT 0 |
|
|
60 | # endif |
41 | # endif |
61 | # endif |
42 | |
62 | |
|
|
63 | # ifndef EV_USE_POLL |
43 | # if HAVE_POLL && HAVE_POLL_H |
64 | # if HAVE_POLL && HAVE_POLL_H |
44 | # define EV_USE_POLL 1 |
65 | # define EV_USE_POLL 1 |
|
|
66 | # else |
|
|
67 | # define EV_USE_POLL 0 |
|
|
68 | # endif |
45 | # endif |
69 | # endif |
46 | |
70 | |
|
|
71 | # ifndef EV_USE_EPOLL |
47 | # if HAVE_EPOLL && HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H |
72 | # if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H |
48 | # define EV_USE_EPOLL 1 |
73 | # define EV_USE_EPOLL 1 |
|
|
74 | # else |
|
|
75 | # define EV_USE_EPOLL 0 |
|
|
76 | # endif |
49 | # endif |
77 | # endif |
50 | |
78 | |
|
|
79 | # ifndef EV_USE_KQUEUE |
51 | # if HAVE_KQUEUE && HAVE_WORKING_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H |
80 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H |
52 | # define EV_USE_KQUEUE 1 |
81 | # define EV_USE_KQUEUE 1 |
|
|
82 | # else |
|
|
83 | # define EV_USE_KQUEUE 0 |
|
|
84 | # endif |
|
|
85 | # endif |
|
|
86 | |
|
|
87 | # ifndef EV_USE_PORT |
|
|
88 | # if HAVE_PORT_H && HAVE_PORT_CREATE |
|
|
89 | # define EV_USE_PORT 1 |
|
|
90 | # else |
|
|
91 | # define EV_USE_PORT 0 |
|
|
92 | # endif |
53 | # endif |
93 | # endif |
54 | |
94 | |
55 | #endif |
95 | #endif |
56 | |
96 | |
57 | #include <math.h> |
97 | #include <math.h> |
… | |
… | |
66 | #include <sys/types.h> |
106 | #include <sys/types.h> |
67 | #include <time.h> |
107 | #include <time.h> |
68 | |
108 | |
69 | #include <signal.h> |
109 | #include <signal.h> |
70 | |
110 | |
71 | #ifndef WIN32 |
111 | #ifndef _WIN32 |
72 | # include <unistd.h> |
112 | # include <unistd.h> |
73 | # include <sys/time.h> |
113 | # include <sys/time.h> |
74 | # include <sys/wait.h> |
114 | # include <sys/wait.h> |
|
|
115 | #else |
|
|
116 | # define WIN32_LEAN_AND_MEAN |
|
|
117 | # include <windows.h> |
|
|
118 | # ifndef EV_SELECT_IS_WINSOCKET |
|
|
119 | # define EV_SELECT_IS_WINSOCKET 1 |
75 | #endif |
120 | # endif |
|
|
121 | #endif |
|
|
122 | |
76 | /**/ |
123 | /**/ |
77 | |
124 | |
78 | #ifndef EV_USE_MONOTONIC |
125 | #ifndef EV_USE_MONOTONIC |
79 | # define EV_USE_MONOTONIC 1 |
126 | # define EV_USE_MONOTONIC 0 |
|
|
127 | #endif |
|
|
128 | |
|
|
129 | #ifndef EV_USE_REALTIME |
|
|
130 | # define EV_USE_REALTIME 0 |
80 | #endif |
131 | #endif |
81 | |
132 | |
82 | #ifndef EV_USE_SELECT |
133 | #ifndef EV_USE_SELECT |
83 | # define EV_USE_SELECT 1 |
134 | # define EV_USE_SELECT 1 |
84 | #endif |
135 | #endif |
85 | |
136 | |
86 | #ifndef EV_USE_POLL |
137 | #ifndef EV_USE_POLL |
87 | # define EV_USE_POLL 0 /* poll is usually slower than select, and not as well tested */ |
138 | # ifdef _WIN32 |
|
|
139 | # define EV_USE_POLL 0 |
|
|
140 | # else |
|
|
141 | # define EV_USE_POLL 1 |
|
|
142 | # endif |
88 | #endif |
143 | #endif |
89 | |
144 | |
90 | #ifndef EV_USE_EPOLL |
145 | #ifndef EV_USE_EPOLL |
91 | # define EV_USE_EPOLL 0 |
146 | # define EV_USE_EPOLL 0 |
92 | #endif |
147 | #endif |
93 | |
148 | |
94 | #ifndef EV_USE_KQUEUE |
149 | #ifndef EV_USE_KQUEUE |
95 | # define EV_USE_KQUEUE 0 |
150 | # define EV_USE_KQUEUE 0 |
96 | #endif |
151 | #endif |
97 | |
152 | |
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 |
153 | #ifndef EV_USE_PORT |
109 | # define EV_USE_REALTIME 1 |
154 | # define EV_USE_PORT 0 |
110 | #endif |
155 | #endif |
111 | |
156 | |
112 | /**/ |
157 | /**/ |
113 | |
158 | |
114 | #ifndef CLOCK_MONOTONIC |
159 | #ifndef CLOCK_MONOTONIC |
… | |
… | |
119 | #ifndef CLOCK_REALTIME |
164 | #ifndef CLOCK_REALTIME |
120 | # undef EV_USE_REALTIME |
165 | # undef EV_USE_REALTIME |
121 | # define EV_USE_REALTIME 0 |
166 | # define EV_USE_REALTIME 0 |
122 | #endif |
167 | #endif |
123 | |
168 | |
|
|
169 | #if EV_SELECT_IS_WINSOCKET |
|
|
170 | # include <winsock.h> |
|
|
171 | #endif |
|
|
172 | |
124 | /**/ |
173 | /**/ |
125 | |
174 | |
126 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
175 | #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) */ |
176 | #define MAX_BLOCKTIME 59.743 /* 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 */ |
177 | #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 */ |
178 | /*#define CLEANUP_INTERVAL (MAX_BLOCKTIME * 5.) /* how often to try to free memory and re-check fds */ |
130 | |
179 | |
|
|
180 | #ifdef EV_H |
|
|
181 | # include EV_H |
|
|
182 | #else |
131 | #include "ev.h" |
183 | # include "ev.h" |
|
|
184 | #endif |
132 | |
185 | |
133 | #if __GNUC__ >= 3 |
186 | #if __GNUC__ >= 3 |
134 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
187 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
135 | # define inline inline |
188 | # define inline static inline |
136 | #else |
189 | #else |
137 | # define expect(expr,value) (expr) |
190 | # define expect(expr,value) (expr) |
138 | # define inline static |
191 | # define inline static |
139 | #endif |
192 | #endif |
140 | |
193 | |
… | |
… | |
142 | #define expect_true(expr) expect ((expr) != 0, 1) |
195 | #define expect_true(expr) expect ((expr) != 0, 1) |
143 | |
196 | |
144 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
197 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
145 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
198 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
146 | |
199 | |
|
|
200 | #define EMPTY0 /* required for microsofts broken pseudo-c compiler */ |
|
|
201 | #define EMPTY2(a,b) /* used to suppress some warnings */ |
|
|
202 | |
147 | typedef struct ev_watcher *W; |
203 | typedef struct ev_watcher *W; |
148 | typedef struct ev_watcher_list *WL; |
204 | typedef struct ev_watcher_list *WL; |
149 | typedef struct ev_watcher_time *WT; |
205 | typedef struct ev_watcher_time *WT; |
150 | |
206 | |
151 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
207 | static int have_monotonic; /* did clock_gettime (CLOCK_MONOTONIC) work? */ |
152 | |
208 | |
153 | #if WIN32 |
209 | #ifdef _WIN32 |
154 | /* note: the comment below could not be substantiated, but what would I care */ |
210 | # include "ev_win32.c" |
155 | /* MSDN says this is required to handle SIGFPE */ |
|
|
156 | volatile double SIGFPE_REQ = 0.0f; |
|
|
157 | |
|
|
158 | static int |
|
|
159 | ev_socketpair_tcp (int filedes [2]) |
|
|
160 | { |
|
|
161 | struct sockaddr_in addr = { 0 }; |
|
|
162 | int addr_size = sizeof (addr); |
|
|
163 | SOCKET listener; |
|
|
164 | SOCKET sock [2] = { -1, -1 }; |
|
|
165 | |
|
|
166 | if ((listener = socket (AF_INET, SOCK_STREAM, 0)) == INVALID_SOCKET) |
|
|
167 | return -1; |
|
|
168 | |
|
|
169 | addr.sin_family = AF_INET; |
|
|
170 | addr.sin_addr.s_addr = htonl (INADDR_LOOPBACK); |
|
|
171 | addr.sin_port = 0; |
|
|
172 | |
|
|
173 | if (bind (listener, (struct sockaddr *)&addr, addr_size)) |
|
|
174 | goto fail; |
|
|
175 | |
|
|
176 | if (getsockname(listener, (struct sockaddr *)&addr, &addr_size)) |
|
|
177 | goto fail; |
|
|
178 | |
|
|
179 | if (listen (listener, 1)) |
|
|
180 | goto fail; |
|
|
181 | |
|
|
182 | if ((sock [0] = socket (AF_INET, SOCK_STREAM, 0)) == INVALID_SOCKET) |
|
|
183 | goto fail; |
|
|
184 | |
|
|
185 | if (connect (sock[0], (struct sockaddr *)&addr, addr_size)) |
|
|
186 | goto fail; |
|
|
187 | |
|
|
188 | if ((sock[1] = accept (listener, 0, 0)) < 0) |
|
|
189 | goto fail; |
|
|
190 | |
|
|
191 | closesocket (listener); |
|
|
192 | |
|
|
193 | filedes [0] = sock [0]; |
|
|
194 | filedes [1] = sock [1]; |
|
|
195 | |
|
|
196 | return 0; |
|
|
197 | |
|
|
198 | fail: |
|
|
199 | closesocket (listener); |
|
|
200 | |
|
|
201 | if (sock [0] != INVALID_SOCKET) closesocket (sock [0]); |
|
|
202 | if (sock [1] != INVALID_SOCKET) closesocket (sock [1]); |
|
|
203 | |
|
|
204 | return -1; |
|
|
205 | } |
|
|
206 | |
|
|
207 | # define ev_pipe(filedes) ev_socketpair_tcp (filedes) |
|
|
208 | #else |
|
|
209 | # define ev_pipe(filedes) pipe (filedes) |
|
|
210 | #endif |
211 | #endif |
211 | |
212 | |
212 | /*****************************************************************************/ |
213 | /*****************************************************************************/ |
213 | |
214 | |
214 | static void (*syserr_cb)(const char *msg); |
215 | static void (*syserr_cb)(const char *msg); |
… | |
… | |
262 | typedef struct |
263 | typedef struct |
263 | { |
264 | { |
264 | WL head; |
265 | WL head; |
265 | unsigned char events; |
266 | unsigned char events; |
266 | unsigned char reify; |
267 | unsigned char reify; |
|
|
268 | #if EV_SELECT_IS_WINSOCKET |
|
|
269 | SOCKET handle; |
|
|
270 | #endif |
267 | } ANFD; |
271 | } ANFD; |
268 | |
272 | |
269 | typedef struct |
273 | typedef struct |
270 | { |
274 | { |
271 | W w; |
275 | W w; |
272 | int events; |
276 | int events; |
273 | } ANPENDING; |
277 | } ANPENDING; |
274 | |
278 | |
275 | #if EV_MULTIPLICITY |
279 | #if EV_MULTIPLICITY |
276 | |
280 | |
277 | struct ev_loop |
281 | struct ev_loop |
278 | { |
282 | { |
|
|
283 | ev_tstamp ev_rt_now; |
|
|
284 | #define ev_rt_now ((loop)->ev_rt_now) |
279 | # define VAR(name,decl) decl; |
285 | #define VAR(name,decl) decl; |
280 | # include "ev_vars.h" |
286 | #include "ev_vars.h" |
281 | }; |
|
|
282 | # undef VAR |
287 | #undef VAR |
|
|
288 | }; |
283 | # include "ev_wrap.h" |
289 | #include "ev_wrap.h" |
|
|
290 | |
|
|
291 | static struct ev_loop default_loop_struct; |
|
|
292 | struct ev_loop *ev_default_loop_ptr; |
284 | |
293 | |
285 | #else |
294 | #else |
286 | |
295 | |
|
|
296 | ev_tstamp ev_rt_now; |
287 | # define VAR(name,decl) static decl; |
297 | #define VAR(name,decl) static decl; |
288 | # include "ev_vars.h" |
298 | #include "ev_vars.h" |
289 | # undef VAR |
299 | #undef VAR |
|
|
300 | |
|
|
301 | static int ev_default_loop_ptr; |
290 | |
302 | |
291 | #endif |
303 | #endif |
292 | |
304 | |
293 | /*****************************************************************************/ |
305 | /*****************************************************************************/ |
294 | |
306 | |
295 | inline ev_tstamp |
307 | ev_tstamp |
296 | ev_time (void) |
308 | ev_time (void) |
297 | { |
309 | { |
298 | #if EV_USE_REALTIME |
310 | #if EV_USE_REALTIME |
299 | struct timespec ts; |
311 | struct timespec ts; |
300 | clock_gettime (CLOCK_REALTIME, &ts); |
312 | clock_gettime (CLOCK_REALTIME, &ts); |
… | |
… | |
319 | #endif |
331 | #endif |
320 | |
332 | |
321 | return ev_time (); |
333 | return ev_time (); |
322 | } |
334 | } |
323 | |
335 | |
|
|
336 | #if EV_MULTIPLICITY |
324 | ev_tstamp |
337 | ev_tstamp |
325 | ev_now (EV_P) |
338 | ev_now (EV_P) |
326 | { |
339 | { |
327 | return rt_now; |
340 | return ev_rt_now; |
328 | } |
341 | } |
|
|
342 | #endif |
329 | |
343 | |
330 | #define array_roundsize(base,n) ((n) | 4 & ~3) |
344 | #define array_roundsize(type,n) (((n) | 4) & ~3) |
331 | |
345 | |
332 | #define array_needsize(base,cur,cnt,init) \ |
346 | #define array_needsize(type,base,cur,cnt,init) \ |
333 | if (expect_false ((cnt) > cur)) \ |
347 | if (expect_false ((cnt) > cur)) \ |
334 | { \ |
348 | { \ |
335 | int newcnt = cur; \ |
349 | int newcnt = cur; \ |
336 | do \ |
350 | do \ |
337 | { \ |
351 | { \ |
338 | newcnt = array_roundsize (base, newcnt << 1); \ |
352 | newcnt = array_roundsize (type, newcnt << 1); \ |
339 | } \ |
353 | } \ |
340 | while ((cnt) > newcnt); \ |
354 | while ((cnt) > newcnt); \ |
341 | \ |
355 | \ |
342 | base = ev_realloc (base, sizeof (*base) * (newcnt)); \ |
356 | base = (type *)ev_realloc (base, sizeof (type) * (newcnt));\ |
343 | init (base + cur, newcnt - cur); \ |
357 | init (base + cur, newcnt - cur); \ |
344 | cur = newcnt; \ |
358 | cur = newcnt; \ |
345 | } |
359 | } |
346 | |
360 | |
347 | #define array_slim(stem) \ |
361 | #define array_slim(type,stem) \ |
348 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
362 | if (stem ## max < array_roundsize (stem ## cnt >> 2)) \ |
349 | { \ |
363 | { \ |
350 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
364 | stem ## max = array_roundsize (stem ## cnt >> 1); \ |
351 | base = ev_realloc (base, sizeof (*base) * (stem ## max)); \ |
365 | base = (type *)ev_realloc (base, sizeof (type) * (stem ## max));\ |
352 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
366 | fprintf (stderr, "slimmed down " # stem " to %d\n", stem ## max);/*D*/\ |
353 | } |
367 | } |
354 | |
|
|
355 | /* microsoft's pseudo-c is quite far from C as the rest of the world and the standard knows it */ |
|
|
356 | /* bringing us everlasting joy in form of stupid extra macros that are not required in C */ |
|
|
357 | #define array_free_microshit(stem) \ |
|
|
358 | ev_free (stem ## s); stem ## cnt = stem ## max = 0; |
|
|
359 | |
368 | |
360 | #define array_free(stem, idx) \ |
369 | #define array_free(stem, idx) \ |
361 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
370 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; |
362 | |
371 | |
363 | /*****************************************************************************/ |
372 | /*****************************************************************************/ |
… | |
… | |
373 | |
382 | |
374 | ++base; |
383 | ++base; |
375 | } |
384 | } |
376 | } |
385 | } |
377 | |
386 | |
378 | static void |
387 | void |
379 | event (EV_P_ W w, int events) |
388 | ev_feed_event (EV_P_ void *w, int revents) |
380 | { |
389 | { |
381 | if (w->pending) |
390 | W w_ = (W)w; |
|
|
391 | |
|
|
392 | if (expect_false (w_->pending)) |
382 | { |
393 | { |
383 | pendings [ABSPRI (w)][w->pending - 1].events |= events; |
394 | pendings [ABSPRI (w_)][w_->pending - 1].events |= revents; |
384 | return; |
395 | return; |
385 | } |
396 | } |
386 | |
397 | |
387 | w->pending = ++pendingcnt [ABSPRI (w)]; |
398 | w_->pending = ++pendingcnt [ABSPRI (w_)]; |
388 | array_needsize (pendings [ABSPRI (w)], pendingmax [ABSPRI (w)], pendingcnt [ABSPRI (w)], (void)); |
399 | array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], EMPTY2); |
389 | pendings [ABSPRI (w)][w->pending - 1].w = w; |
400 | pendings [ABSPRI (w_)][w_->pending - 1].w = w_; |
390 | pendings [ABSPRI (w)][w->pending - 1].events = events; |
401 | pendings [ABSPRI (w_)][w_->pending - 1].events = revents; |
391 | } |
402 | } |
392 | |
403 | |
393 | static void |
404 | static void |
394 | queue_events (EV_P_ W *events, int eventcnt, int type) |
405 | queue_events (EV_P_ W *events, int eventcnt, int type) |
395 | { |
406 | { |
396 | int i; |
407 | int i; |
397 | |
408 | |
398 | for (i = 0; i < eventcnt; ++i) |
409 | for (i = 0; i < eventcnt; ++i) |
399 | event (EV_A_ events [i], type); |
410 | ev_feed_event (EV_A_ events [i], type); |
400 | } |
411 | } |
401 | |
412 | |
402 | static void |
413 | inline void |
403 | fd_event (EV_P_ int fd, int events) |
414 | fd_event (EV_P_ int fd, int revents) |
404 | { |
415 | { |
405 | ANFD *anfd = anfds + fd; |
416 | ANFD *anfd = anfds + fd; |
406 | struct ev_io *w; |
417 | struct ev_io *w; |
407 | |
418 | |
408 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
419 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
409 | { |
420 | { |
410 | int ev = w->events & events; |
421 | int ev = w->events & revents; |
411 | |
422 | |
412 | if (ev) |
423 | if (ev) |
413 | event (EV_A_ (W)w, ev); |
424 | ev_feed_event (EV_A_ (W)w, ev); |
414 | } |
425 | } |
|
|
426 | } |
|
|
427 | |
|
|
428 | void |
|
|
429 | ev_feed_fd_event (EV_P_ int fd, int revents) |
|
|
430 | { |
|
|
431 | fd_event (EV_A_ fd, revents); |
415 | } |
432 | } |
416 | |
433 | |
417 | /*****************************************************************************/ |
434 | /*****************************************************************************/ |
418 | |
435 | |
419 | static void |
436 | inline void |
420 | fd_reify (EV_P) |
437 | fd_reify (EV_P) |
421 | { |
438 | { |
422 | int i; |
439 | int i; |
423 | |
440 | |
424 | for (i = 0; i < fdchangecnt; ++i) |
441 | for (i = 0; i < fdchangecnt; ++i) |
… | |
… | |
430 | int events = 0; |
447 | int events = 0; |
431 | |
448 | |
432 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
449 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
433 | events |= w->events; |
450 | events |= w->events; |
434 | |
451 | |
|
|
452 | #if EV_SELECT_IS_WINSOCKET |
|
|
453 | if (events) |
|
|
454 | { |
|
|
455 | unsigned long argp; |
|
|
456 | anfd->handle = _get_osfhandle (fd); |
|
|
457 | assert (("libev only supports socket fds in this configuration", ioctlsocket (anfd->handle, FIONREAD, &argp) == 0)); |
|
|
458 | } |
|
|
459 | #endif |
|
|
460 | |
435 | anfd->reify = 0; |
461 | anfd->reify = 0; |
436 | |
462 | |
437 | method_modify (EV_A_ fd, anfd->events, events); |
463 | method_modify (EV_A_ fd, anfd->events, events); |
438 | anfd->events = events; |
464 | anfd->events = events; |
439 | } |
465 | } |
… | |
… | |
442 | } |
468 | } |
443 | |
469 | |
444 | static void |
470 | static void |
445 | fd_change (EV_P_ int fd) |
471 | fd_change (EV_P_ int fd) |
446 | { |
472 | { |
447 | if (anfds [fd].reify) |
473 | if (expect_false (anfds [fd].reify)) |
448 | return; |
474 | return; |
449 | |
475 | |
450 | anfds [fd].reify = 1; |
476 | anfds [fd].reify = 1; |
451 | |
477 | |
452 | ++fdchangecnt; |
478 | ++fdchangecnt; |
453 | array_needsize (fdchanges, fdchangemax, fdchangecnt, (void)); |
479 | array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2); |
454 | fdchanges [fdchangecnt - 1] = fd; |
480 | fdchanges [fdchangecnt - 1] = fd; |
455 | } |
481 | } |
456 | |
482 | |
457 | static void |
483 | static void |
458 | fd_kill (EV_P_ int fd) |
484 | fd_kill (EV_P_ int fd) |
… | |
… | |
460 | struct ev_io *w; |
486 | struct ev_io *w; |
461 | |
487 | |
462 | while ((w = (struct ev_io *)anfds [fd].head)) |
488 | while ((w = (struct ev_io *)anfds [fd].head)) |
463 | { |
489 | { |
464 | ev_io_stop (EV_A_ w); |
490 | ev_io_stop (EV_A_ w); |
465 | event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
491 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
466 | } |
492 | } |
467 | } |
493 | } |
468 | |
494 | |
469 | static int |
495 | inline int |
470 | fd_valid (int fd) |
496 | fd_valid (int fd) |
471 | { |
497 | { |
472 | #ifdef WIN32 |
498 | #ifdef _WIN32 |
473 | return !!win32_get_osfhandle (fd); |
499 | return _get_osfhandle (fd) != -1; |
474 | #else |
500 | #else |
475 | return fcntl (fd, F_GETFD) != -1; |
501 | return fcntl (fd, F_GETFD) != -1; |
476 | #endif |
502 | #endif |
477 | } |
503 | } |
478 | |
504 | |
… | |
… | |
558 | |
584 | |
559 | heap [k] = w; |
585 | heap [k] = w; |
560 | ((W)heap [k])->active = k + 1; |
586 | ((W)heap [k])->active = k + 1; |
561 | } |
587 | } |
562 | |
588 | |
|
|
589 | inline void |
|
|
590 | adjustheap (WT *heap, int N, int k) |
|
|
591 | { |
|
|
592 | upheap (heap, k); |
|
|
593 | downheap (heap, N, k); |
|
|
594 | } |
|
|
595 | |
563 | /*****************************************************************************/ |
596 | /*****************************************************************************/ |
564 | |
597 | |
565 | typedef struct |
598 | typedef struct |
566 | { |
599 | { |
567 | WL head; |
600 | WL head; |
… | |
… | |
588 | } |
621 | } |
589 | |
622 | |
590 | static void |
623 | static void |
591 | sighandler (int signum) |
624 | sighandler (int signum) |
592 | { |
625 | { |
593 | #if WIN32 |
626 | #if _WIN32 |
594 | signal (signum, sighandler); |
627 | signal (signum, sighandler); |
595 | #endif |
628 | #endif |
596 | |
629 | |
597 | signals [signum - 1].gotsig = 1; |
630 | signals [signum - 1].gotsig = 1; |
598 | |
631 | |
… | |
… | |
603 | write (sigpipe [1], &signum, 1); |
636 | write (sigpipe [1], &signum, 1); |
604 | errno = old_errno; |
637 | errno = old_errno; |
605 | } |
638 | } |
606 | } |
639 | } |
607 | |
640 | |
|
|
641 | void |
|
|
642 | ev_feed_signal_event (EV_P_ int signum) |
|
|
643 | { |
|
|
644 | WL w; |
|
|
645 | |
|
|
646 | #if EV_MULTIPLICITY |
|
|
647 | assert (("feeding signal events is only supported in the default loop", loop == ev_default_loop_ptr)); |
|
|
648 | #endif |
|
|
649 | |
|
|
650 | --signum; |
|
|
651 | |
|
|
652 | if (signum < 0 || signum >= signalmax) |
|
|
653 | return; |
|
|
654 | |
|
|
655 | signals [signum].gotsig = 0; |
|
|
656 | |
|
|
657 | for (w = signals [signum].head; w; w = w->next) |
|
|
658 | ev_feed_event (EV_A_ (W)w, EV_SIGNAL); |
|
|
659 | } |
|
|
660 | |
608 | static void |
661 | static void |
609 | sigcb (EV_P_ struct ev_io *iow, int revents) |
662 | sigcb (EV_P_ struct ev_io *iow, int revents) |
610 | { |
663 | { |
611 | WL w; |
|
|
612 | int signum; |
664 | int signum; |
613 | |
665 | |
614 | read (sigpipe [0], &revents, 1); |
666 | read (sigpipe [0], &revents, 1); |
615 | gotsig = 0; |
667 | gotsig = 0; |
616 | |
668 | |
617 | for (signum = signalmax; signum--; ) |
669 | for (signum = signalmax; signum--; ) |
618 | if (signals [signum].gotsig) |
670 | if (signals [signum].gotsig) |
619 | { |
671 | ev_feed_signal_event (EV_A_ signum + 1); |
620 | signals [signum].gotsig = 0; |
672 | } |
621 | |
673 | |
622 | for (w = signals [signum].head; w; w = w->next) |
674 | static void |
623 | event (EV_A_ (W)w, EV_SIGNAL); |
675 | fd_intern (int fd) |
624 | } |
676 | { |
|
|
677 | #ifdef _WIN32 |
|
|
678 | int arg = 1; |
|
|
679 | ioctlsocket (_get_osfhandle (fd), FIONBIO, &arg); |
|
|
680 | #else |
|
|
681 | fcntl (fd, F_SETFD, FD_CLOEXEC); |
|
|
682 | fcntl (fd, F_SETFL, O_NONBLOCK); |
|
|
683 | #endif |
625 | } |
684 | } |
626 | |
685 | |
627 | static void |
686 | static void |
628 | siginit (EV_P) |
687 | siginit (EV_P) |
629 | { |
688 | { |
630 | #ifndef WIN32 |
689 | fd_intern (sigpipe [0]); |
631 | fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC); |
690 | fd_intern (sigpipe [1]); |
632 | fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC); |
|
|
633 | |
|
|
634 | /* rather than sort out wether we really need nb, set it */ |
|
|
635 | fcntl (sigpipe [0], F_SETFL, O_NONBLOCK); |
|
|
636 | fcntl (sigpipe [1], F_SETFL, O_NONBLOCK); |
|
|
637 | #endif |
|
|
638 | |
691 | |
639 | ev_io_set (&sigev, sigpipe [0], EV_READ); |
692 | ev_io_set (&sigev, sigpipe [0], EV_READ); |
640 | ev_io_start (EV_A_ &sigev); |
693 | ev_io_start (EV_A_ &sigev); |
641 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
694 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
642 | } |
695 | } |
643 | |
696 | |
644 | /*****************************************************************************/ |
697 | /*****************************************************************************/ |
645 | |
698 | |
646 | static struct ev_child *childs [PID_HASHSIZE]; |
699 | static struct ev_child *childs [PID_HASHSIZE]; |
647 | |
700 | |
648 | #ifndef WIN32 |
701 | #ifndef _WIN32 |
649 | |
702 | |
650 | static struct ev_signal childev; |
703 | static struct ev_signal childev; |
651 | |
704 | |
652 | #ifndef WCONTINUED |
705 | #ifndef WCONTINUED |
653 | # define WCONTINUED 0 |
706 | # define WCONTINUED 0 |
… | |
… | |
662 | if (w->pid == pid || !w->pid) |
715 | if (w->pid == pid || !w->pid) |
663 | { |
716 | { |
664 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
717 | ev_priority (w) = ev_priority (sw); /* need to do it *now* */ |
665 | w->rpid = pid; |
718 | w->rpid = pid; |
666 | w->rstatus = status; |
719 | w->rstatus = status; |
667 | event (EV_A_ (W)w, EV_CHILD); |
720 | ev_feed_event (EV_A_ (W)w, EV_CHILD); |
668 | } |
721 | } |
669 | } |
722 | } |
670 | |
723 | |
671 | static void |
724 | static void |
672 | childcb (EV_P_ struct ev_signal *sw, int revents) |
725 | childcb (EV_P_ struct ev_signal *sw, int revents) |
… | |
… | |
674 | int pid, status; |
727 | int pid, status; |
675 | |
728 | |
676 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
729 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
677 | { |
730 | { |
678 | /* make sure we are called again until all childs have been reaped */ |
731 | /* make sure we are called again until all childs have been reaped */ |
679 | event (EV_A_ (W)sw, EV_SIGNAL); |
732 | ev_feed_event (EV_A_ (W)sw, EV_SIGNAL); |
680 | |
733 | |
681 | child_reap (EV_A_ sw, pid, pid, status); |
734 | child_reap (EV_A_ sw, pid, pid, status); |
682 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */ |
735 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */ |
683 | } |
736 | } |
684 | } |
737 | } |
685 | |
738 | |
686 | #endif |
739 | #endif |
687 | |
740 | |
688 | /*****************************************************************************/ |
741 | /*****************************************************************************/ |
689 | |
742 | |
|
|
743 | #if EV_USE_PORT |
|
|
744 | # include "ev_port.c" |
|
|
745 | #endif |
690 | #if EV_USE_KQUEUE |
746 | #if EV_USE_KQUEUE |
691 | # include "ev_kqueue.c" |
747 | # include "ev_kqueue.c" |
692 | #endif |
748 | #endif |
693 | #if EV_USE_EPOLL |
749 | #if EV_USE_EPOLL |
694 | # include "ev_epoll.c" |
750 | # include "ev_epoll.c" |
… | |
… | |
714 | |
770 | |
715 | /* return true if we are running with elevated privileges and should ignore env variables */ |
771 | /* return true if we are running with elevated privileges and should ignore env variables */ |
716 | static int |
772 | static int |
717 | enable_secure (void) |
773 | enable_secure (void) |
718 | { |
774 | { |
719 | #ifdef WIN32 |
775 | #ifdef _WIN32 |
720 | return 0; |
776 | return 0; |
721 | #else |
777 | #else |
722 | return getuid () != geteuid () |
778 | return getuid () != geteuid () |
723 | || getgid () != getegid (); |
779 | || getgid () != getegid (); |
724 | #endif |
780 | #endif |
725 | } |
781 | } |
726 | |
782 | |
727 | int |
783 | unsigned int |
728 | ev_method (EV_P) |
784 | ev_supported_backends (void) |
729 | { |
785 | { |
730 | return method; |
|
|
731 | } |
786 | } |
732 | |
787 | |
|
|
788 | unsigned int |
|
|
789 | ev_recommended_backends (void) |
|
|
790 | { |
|
|
791 | unsigned int flags; |
|
|
792 | |
|
|
793 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
|
|
794 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
|
|
795 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
|
|
796 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
|
|
797 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
|
|
798 | |
|
|
799 | return flags; |
|
|
800 | } |
|
|
801 | |
|
|
802 | unsigned int |
|
|
803 | ev_backend (EV_P) |
|
|
804 | { |
|
|
805 | unsigned int flags = ev_recommended_backends (); |
|
|
806 | |
|
|
807 | #ifndef __NetBSD__ |
|
|
808 | /* kqueue is borked on everything but netbsd apparently */ |
|
|
809 | /* it usually doesn't work correctly on anything but sockets and pipes */ |
|
|
810 | flags &= ~EVBACKEND_KQUEUE; |
|
|
811 | #endif |
|
|
812 | #ifdef __APPLE__ |
|
|
813 | // flags &= ~EVBACKEND_KQUEUE; for documentation |
|
|
814 | flags &= ~EVBACKEND_POLL; |
|
|
815 | #endif |
|
|
816 | |
|
|
817 | return flags; |
|
|
818 | } |
|
|
819 | |
733 | static void |
820 | static void |
734 | loop_init (EV_P_ int methods) |
821 | loop_init (EV_P_ unsigned int flags) |
735 | { |
822 | { |
736 | if (!method) |
823 | if (!method) |
737 | { |
824 | { |
738 | #if EV_USE_MONOTONIC |
825 | #if EV_USE_MONOTONIC |
739 | { |
826 | { |
… | |
… | |
741 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
828 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
742 | have_monotonic = 1; |
829 | have_monotonic = 1; |
743 | } |
830 | } |
744 | #endif |
831 | #endif |
745 | |
832 | |
746 | rt_now = ev_time (); |
833 | ev_rt_now = ev_time (); |
747 | mn_now = get_clock (); |
834 | mn_now = get_clock (); |
748 | now_floor = mn_now; |
835 | now_floor = mn_now; |
749 | rtmn_diff = rt_now - mn_now; |
836 | rtmn_diff = ev_rt_now - mn_now; |
750 | |
837 | |
751 | if (methods == EVMETHOD_AUTO) |
838 | if (!(flags & EVFLAG_NOENV) |
752 | if (!enable_secure () && getenv ("LIBEV_METHODS")) |
839 | && !enable_secure () |
|
|
840 | && getenv ("LIBEV_FLAGS")) |
753 | methods = atoi (getenv ("LIBEV_METHODS")); |
841 | flags = atoi (getenv ("LIBEV_FLAGS")); |
754 | else |
842 | |
755 | methods = EVMETHOD_ANY; |
843 | if (!(flags & 0x0000ffffUL)) |
|
|
844 | flags |= ev_recommended_backends (); |
756 | |
845 | |
757 | method = 0; |
846 | method = 0; |
758 | #if EV_USE_WIN32 |
847 | #if EV_USE_PORT |
759 | if (!method && (methods & EVMETHOD_WIN32 )) method = win32_init (EV_A_ methods); |
848 | if (!method && (flags & EVBACKEND_PORT )) method = port_init (EV_A_ flags); |
760 | #endif |
849 | #endif |
761 | #if EV_USE_KQUEUE |
850 | #if EV_USE_KQUEUE |
762 | if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods); |
851 | if (!method && (flags & EVBACKEND_KQUEUE)) method = kqueue_init (EV_A_ flags); |
763 | #endif |
852 | #endif |
764 | #if EV_USE_EPOLL |
853 | #if EV_USE_EPOLL |
765 | if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods); |
854 | if (!method && (flags & EVBACKEND_EPOLL )) method = epoll_init (EV_A_ flags); |
766 | #endif |
855 | #endif |
767 | #if EV_USE_POLL |
856 | #if EV_USE_POLL |
768 | if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods); |
857 | if (!method && (flags & EVBACKEND_POLL )) method = poll_init (EV_A_ flags); |
769 | #endif |
858 | #endif |
770 | #if EV_USE_SELECT |
859 | #if EV_USE_SELECT |
771 | if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods); |
860 | if (!method && (flags & EVBACKEND_SELECT)) method = select_init (EV_A_ flags); |
772 | #endif |
861 | #endif |
773 | |
862 | |
774 | ev_watcher_init (&sigev, sigcb); |
863 | ev_init (&sigev, sigcb); |
775 | ev_set_priority (&sigev, EV_MAXPRI); |
864 | ev_set_priority (&sigev, EV_MAXPRI); |
776 | } |
865 | } |
777 | } |
866 | } |
778 | |
867 | |
779 | void |
868 | static void |
780 | loop_destroy (EV_P) |
869 | loop_destroy (EV_P) |
781 | { |
870 | { |
782 | int i; |
871 | int i; |
783 | |
872 | |
784 | #if EV_USE_WIN32 |
873 | #if EV_USE_PORT |
785 | if (method == EVMETHOD_WIN32 ) win32_destroy (EV_A); |
874 | if (method == EVBACKEND_PORT ) port_destroy (EV_A); |
786 | #endif |
875 | #endif |
787 | #if EV_USE_KQUEUE |
876 | #if EV_USE_KQUEUE |
788 | if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A); |
877 | if (method == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
789 | #endif |
878 | #endif |
790 | #if EV_USE_EPOLL |
879 | #if EV_USE_EPOLL |
791 | if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A); |
880 | if (method == EVBACKEND_EPOLL ) epoll_destroy (EV_A); |
792 | #endif |
881 | #endif |
793 | #if EV_USE_POLL |
882 | #if EV_USE_POLL |
794 | if (method == EVMETHOD_POLL ) poll_destroy (EV_A); |
883 | if (method == EVBACKEND_POLL ) poll_destroy (EV_A); |
795 | #endif |
884 | #endif |
796 | #if EV_USE_SELECT |
885 | #if EV_USE_SELECT |
797 | if (method == EVMETHOD_SELECT) select_destroy (EV_A); |
886 | if (method == EVBACKEND_SELECT) select_destroy (EV_A); |
798 | #endif |
887 | #endif |
799 | |
888 | |
800 | for (i = NUMPRI; i--; ) |
889 | for (i = NUMPRI; i--; ) |
801 | array_free (pending, [i]); |
890 | array_free (pending, [i]); |
802 | |
891 | |
803 | /* have to use the microsoft-never-gets-it-right macro */ |
892 | /* have to use the microsoft-never-gets-it-right macro */ |
804 | array_free_microshit (fdchange); |
893 | array_free (fdchange, EMPTY0); |
805 | array_free_microshit (timer); |
894 | array_free (timer, EMPTY0); |
806 | array_free_microshit (periodic); |
895 | #if EV_PERIODICS |
807 | array_free_microshit (idle); |
896 | array_free (periodic, EMPTY0); |
808 | array_free_microshit (prepare); |
897 | #endif |
809 | array_free_microshit (check); |
898 | array_free (idle, EMPTY0); |
|
|
899 | array_free (prepare, EMPTY0); |
|
|
900 | array_free (check, EMPTY0); |
810 | |
901 | |
811 | method = 0; |
902 | method = 0; |
812 | } |
903 | } |
813 | |
904 | |
814 | static void |
905 | static void |
815 | loop_fork (EV_P) |
906 | loop_fork (EV_P) |
816 | { |
907 | { |
|
|
908 | #if EV_USE_PORT |
|
|
909 | if (method == EVBACKEND_PORT ) port_fork (EV_A); |
|
|
910 | #endif |
|
|
911 | #if EV_USE_KQUEUE |
|
|
912 | if (method == EVBACKEND_KQUEUE) kqueue_fork (EV_A); |
|
|
913 | #endif |
817 | #if EV_USE_EPOLL |
914 | #if EV_USE_EPOLL |
818 | if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A); |
915 | if (method == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
819 | #endif |
|
|
820 | #if EV_USE_KQUEUE |
|
|
821 | if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A); |
|
|
822 | #endif |
916 | #endif |
823 | |
917 | |
824 | if (ev_is_active (&sigev)) |
918 | if (ev_is_active (&sigev)) |
825 | { |
919 | { |
826 | /* default loop */ |
920 | /* default loop */ |
… | |
… | |
828 | ev_ref (EV_A); |
922 | ev_ref (EV_A); |
829 | ev_io_stop (EV_A_ &sigev); |
923 | ev_io_stop (EV_A_ &sigev); |
830 | close (sigpipe [0]); |
924 | close (sigpipe [0]); |
831 | close (sigpipe [1]); |
925 | close (sigpipe [1]); |
832 | |
926 | |
833 | while (ev_pipe (sigpipe)) |
927 | while (pipe (sigpipe)) |
834 | syserr ("(libev) error creating pipe"); |
928 | syserr ("(libev) error creating pipe"); |
835 | |
929 | |
836 | siginit (EV_A); |
930 | siginit (EV_A); |
837 | } |
931 | } |
838 | |
932 | |
839 | postfork = 0; |
933 | postfork = 0; |
840 | } |
934 | } |
841 | |
935 | |
842 | #if EV_MULTIPLICITY |
936 | #if EV_MULTIPLICITY |
843 | struct ev_loop * |
937 | struct ev_loop * |
844 | ev_loop_new (int methods) |
938 | ev_loop_new (unsigned int flags) |
845 | { |
939 | { |
846 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
940 | struct ev_loop *loop = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
847 | |
941 | |
848 | memset (loop, 0, sizeof (struct ev_loop)); |
942 | memset (loop, 0, sizeof (struct ev_loop)); |
849 | |
943 | |
850 | loop_init (EV_A_ methods); |
944 | loop_init (EV_A_ flags); |
851 | |
945 | |
852 | if (ev_method (EV_A)) |
946 | if (ev_method (EV_A)) |
853 | return loop; |
947 | return loop; |
854 | |
948 | |
855 | return 0; |
949 | return 0; |
… | |
… | |
869 | } |
963 | } |
870 | |
964 | |
871 | #endif |
965 | #endif |
872 | |
966 | |
873 | #if EV_MULTIPLICITY |
967 | #if EV_MULTIPLICITY |
874 | struct ev_loop default_loop_struct; |
|
|
875 | static struct ev_loop *default_loop; |
|
|
876 | |
|
|
877 | struct ev_loop * |
968 | struct ev_loop * |
|
|
969 | ev_default_loop_init (unsigned int flags) |
878 | #else |
970 | #else |
879 | static int default_loop; |
|
|
880 | |
|
|
881 | int |
971 | int |
|
|
972 | ev_default_loop (unsigned int flags) |
882 | #endif |
973 | #endif |
883 | ev_default_loop (int methods) |
|
|
884 | { |
974 | { |
885 | if (sigpipe [0] == sigpipe [1]) |
975 | if (sigpipe [0] == sigpipe [1]) |
886 | if (ev_pipe (sigpipe)) |
976 | if (pipe (sigpipe)) |
887 | return 0; |
977 | return 0; |
888 | |
978 | |
889 | if (!default_loop) |
979 | if (!ev_default_loop_ptr) |
890 | { |
980 | { |
891 | #if EV_MULTIPLICITY |
981 | #if EV_MULTIPLICITY |
892 | struct ev_loop *loop = default_loop = &default_loop_struct; |
982 | struct ev_loop *loop = ev_default_loop_ptr = &default_loop_struct; |
893 | #else |
983 | #else |
894 | default_loop = 1; |
984 | ev_default_loop_ptr = 1; |
895 | #endif |
985 | #endif |
896 | |
986 | |
897 | loop_init (EV_A_ methods); |
987 | loop_init (EV_A_ flags); |
898 | |
988 | |
899 | if (ev_method (EV_A)) |
989 | if (ev_method (EV_A)) |
900 | { |
990 | { |
901 | siginit (EV_A); |
991 | siginit (EV_A); |
902 | |
992 | |
903 | #ifndef WIN32 |
993 | #ifndef _WIN32 |
904 | ev_signal_init (&childev, childcb, SIGCHLD); |
994 | ev_signal_init (&childev, childcb, SIGCHLD); |
905 | ev_set_priority (&childev, EV_MAXPRI); |
995 | ev_set_priority (&childev, EV_MAXPRI); |
906 | ev_signal_start (EV_A_ &childev); |
996 | ev_signal_start (EV_A_ &childev); |
907 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
997 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
908 | #endif |
998 | #endif |
909 | } |
999 | } |
910 | else |
1000 | else |
911 | default_loop = 0; |
1001 | ev_default_loop_ptr = 0; |
912 | } |
1002 | } |
913 | |
1003 | |
914 | return default_loop; |
1004 | return ev_default_loop_ptr; |
915 | } |
1005 | } |
916 | |
1006 | |
917 | void |
1007 | void |
918 | ev_default_destroy (void) |
1008 | ev_default_destroy (void) |
919 | { |
1009 | { |
920 | #if EV_MULTIPLICITY |
1010 | #if EV_MULTIPLICITY |
921 | struct ev_loop *loop = default_loop; |
1011 | struct ev_loop *loop = ev_default_loop_ptr; |
922 | #endif |
1012 | #endif |
923 | |
1013 | |
924 | #ifndef WIN32 |
1014 | #ifndef _WIN32 |
925 | ev_ref (EV_A); /* child watcher */ |
1015 | ev_ref (EV_A); /* child watcher */ |
926 | ev_signal_stop (EV_A_ &childev); |
1016 | ev_signal_stop (EV_A_ &childev); |
927 | #endif |
1017 | #endif |
928 | |
1018 | |
929 | ev_ref (EV_A); /* signal watcher */ |
1019 | ev_ref (EV_A); /* signal watcher */ |
… | |
… | |
937 | |
1027 | |
938 | void |
1028 | void |
939 | ev_default_fork (void) |
1029 | ev_default_fork (void) |
940 | { |
1030 | { |
941 | #if EV_MULTIPLICITY |
1031 | #if EV_MULTIPLICITY |
942 | struct ev_loop *loop = default_loop; |
1032 | struct ev_loop *loop = ev_default_loop_ptr; |
943 | #endif |
1033 | #endif |
944 | |
1034 | |
945 | if (method) |
1035 | if (method) |
946 | postfork = 1; |
1036 | postfork = 1; |
947 | } |
1037 | } |
948 | |
1038 | |
949 | /*****************************************************************************/ |
1039 | /*****************************************************************************/ |
950 | |
1040 | |
951 | static void |
1041 | static int |
|
|
1042 | any_pending (EV_P) |
|
|
1043 | { |
|
|
1044 | int pri; |
|
|
1045 | |
|
|
1046 | for (pri = NUMPRI; pri--; ) |
|
|
1047 | if (pendingcnt [pri]) |
|
|
1048 | return 1; |
|
|
1049 | |
|
|
1050 | return 0; |
|
|
1051 | } |
|
|
1052 | |
|
|
1053 | inline void |
952 | call_pending (EV_P) |
1054 | call_pending (EV_P) |
953 | { |
1055 | { |
954 | int pri; |
1056 | int pri; |
955 | |
1057 | |
956 | for (pri = NUMPRI; pri--; ) |
1058 | for (pri = NUMPRI; pri--; ) |
957 | while (pendingcnt [pri]) |
1059 | while (pendingcnt [pri]) |
958 | { |
1060 | { |
959 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
1061 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
960 | |
1062 | |
961 | if (p->w) |
1063 | if (expect_true (p->w)) |
962 | { |
1064 | { |
963 | p->w->pending = 0; |
1065 | p->w->pending = 0; |
964 | p->w->cb (EV_A_ p->w, p->events); |
1066 | EV_CB_INVOKE (p->w, p->events); |
965 | } |
1067 | } |
966 | } |
1068 | } |
967 | } |
1069 | } |
968 | |
1070 | |
969 | static void |
1071 | inline void |
970 | timers_reify (EV_P) |
1072 | timers_reify (EV_P) |
971 | { |
1073 | { |
972 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
1074 | while (timercnt && ((WT)timers [0])->at <= mn_now) |
973 | { |
1075 | { |
974 | struct ev_timer *w = timers [0]; |
1076 | struct ev_timer *w = timers [0]; |
… | |
… | |
977 | |
1079 | |
978 | /* first reschedule or stop timer */ |
1080 | /* first reschedule or stop timer */ |
979 | if (w->repeat) |
1081 | if (w->repeat) |
980 | { |
1082 | { |
981 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
1083 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
|
|
1084 | |
982 | ((WT)w)->at = mn_now + w->repeat; |
1085 | ((WT)w)->at += w->repeat; |
|
|
1086 | if (((WT)w)->at < mn_now) |
|
|
1087 | ((WT)w)->at = mn_now; |
|
|
1088 | |
983 | downheap ((WT *)timers, timercnt, 0); |
1089 | downheap ((WT *)timers, timercnt, 0); |
984 | } |
1090 | } |
985 | else |
1091 | else |
986 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1092 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
987 | |
1093 | |
988 | event (EV_A_ (W)w, EV_TIMEOUT); |
1094 | ev_feed_event (EV_A_ (W)w, EV_TIMEOUT); |
989 | } |
1095 | } |
990 | } |
1096 | } |
991 | |
1097 | |
992 | static void |
1098 | #if EV_PERIODICS |
|
|
1099 | inline void |
993 | periodics_reify (EV_P) |
1100 | periodics_reify (EV_P) |
994 | { |
1101 | { |
995 | while (periodiccnt && ((WT)periodics [0])->at <= rt_now) |
1102 | while (periodiccnt && ((WT)periodics [0])->at <= ev_rt_now) |
996 | { |
1103 | { |
997 | struct ev_periodic *w = periodics [0]; |
1104 | struct ev_periodic *w = periodics [0]; |
998 | |
1105 | |
999 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
1106 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
1000 | |
1107 | |
1001 | /* first reschedule or stop timer */ |
1108 | /* first reschedule or stop timer */ |
1002 | if (w->interval) |
1109 | if (w->reschedule_cb) |
1003 | { |
1110 | { |
|
|
1111 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now + 0.0001); |
|
|
1112 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > ev_rt_now)); |
|
|
1113 | downheap ((WT *)periodics, periodiccnt, 0); |
|
|
1114 | } |
|
|
1115 | else if (w->interval) |
|
|
1116 | { |
1004 | ((WT)w)->at += floor ((rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval; |
1117 | ((WT)w)->at += floor ((ev_rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval; |
1005 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > rt_now)); |
1118 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > ev_rt_now)); |
1006 | downheap ((WT *)periodics, periodiccnt, 0); |
1119 | downheap ((WT *)periodics, periodiccnt, 0); |
1007 | } |
1120 | } |
1008 | else |
1121 | else |
1009 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1122 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
1010 | |
1123 | |
1011 | event (EV_A_ (W)w, EV_PERIODIC); |
1124 | ev_feed_event (EV_A_ (W)w, EV_PERIODIC); |
1012 | } |
1125 | } |
1013 | } |
1126 | } |
1014 | |
1127 | |
1015 | static void |
1128 | static void |
1016 | periodics_reschedule (EV_P) |
1129 | periodics_reschedule (EV_P) |
… | |
… | |
1020 | /* adjust periodics after time jump */ |
1133 | /* adjust periodics after time jump */ |
1021 | for (i = 0; i < periodiccnt; ++i) |
1134 | for (i = 0; i < periodiccnt; ++i) |
1022 | { |
1135 | { |
1023 | struct ev_periodic *w = periodics [i]; |
1136 | struct ev_periodic *w = periodics [i]; |
1024 | |
1137 | |
|
|
1138 | if (w->reschedule_cb) |
|
|
1139 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
1025 | if (w->interval) |
1140 | else if (w->interval) |
1026 | { |
|
|
1027 | ev_tstamp diff = ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1141 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1028 | |
|
|
1029 | if (fabs (diff) >= 1e-4) |
|
|
1030 | { |
|
|
1031 | ev_periodic_stop (EV_A_ w); |
|
|
1032 | ev_periodic_start (EV_A_ w); |
|
|
1033 | |
|
|
1034 | i = 0; /* restart loop, inefficient, but time jumps should be rare */ |
|
|
1035 | } |
|
|
1036 | } |
|
|
1037 | } |
1142 | } |
|
|
1143 | |
|
|
1144 | /* now rebuild the heap */ |
|
|
1145 | for (i = periodiccnt >> 1; i--; ) |
|
|
1146 | downheap ((WT *)periodics, periodiccnt, i); |
1038 | } |
1147 | } |
|
|
1148 | #endif |
1039 | |
1149 | |
1040 | inline int |
1150 | inline int |
1041 | time_update_monotonic (EV_P) |
1151 | time_update_monotonic (EV_P) |
1042 | { |
1152 | { |
1043 | mn_now = get_clock (); |
1153 | mn_now = get_clock (); |
1044 | |
1154 | |
1045 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1155 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
1046 | { |
1156 | { |
1047 | rt_now = rtmn_diff + mn_now; |
1157 | ev_rt_now = rtmn_diff + mn_now; |
1048 | return 0; |
1158 | return 0; |
1049 | } |
1159 | } |
1050 | else |
1160 | else |
1051 | { |
1161 | { |
1052 | now_floor = mn_now; |
1162 | now_floor = mn_now; |
1053 | rt_now = ev_time (); |
1163 | ev_rt_now = ev_time (); |
1054 | return 1; |
1164 | return 1; |
1055 | } |
1165 | } |
1056 | } |
1166 | } |
1057 | |
1167 | |
1058 | static void |
1168 | inline void |
1059 | time_update (EV_P) |
1169 | time_update (EV_P) |
1060 | { |
1170 | { |
1061 | int i; |
1171 | int i; |
1062 | |
1172 | |
1063 | #if EV_USE_MONOTONIC |
1173 | #if EV_USE_MONOTONIC |
… | |
… | |
1067 | { |
1177 | { |
1068 | ev_tstamp odiff = rtmn_diff; |
1178 | ev_tstamp odiff = rtmn_diff; |
1069 | |
1179 | |
1070 | for (i = 4; --i; ) /* loop a few times, before making important decisions */ |
1180 | for (i = 4; --i; ) /* loop a few times, before making important decisions */ |
1071 | { |
1181 | { |
1072 | rtmn_diff = rt_now - mn_now; |
1182 | rtmn_diff = ev_rt_now - mn_now; |
1073 | |
1183 | |
1074 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1184 | if (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP) |
1075 | return; /* all is well */ |
1185 | return; /* all is well */ |
1076 | |
1186 | |
1077 | rt_now = ev_time (); |
1187 | ev_rt_now = ev_time (); |
1078 | mn_now = get_clock (); |
1188 | mn_now = get_clock (); |
1079 | now_floor = mn_now; |
1189 | now_floor = mn_now; |
1080 | } |
1190 | } |
1081 | |
1191 | |
|
|
1192 | # if EV_PERIODICS |
1082 | periodics_reschedule (EV_A); |
1193 | periodics_reschedule (EV_A); |
|
|
1194 | # endif |
1083 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1195 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
1084 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1196 | /* timers_reschedule (EV_A_ rtmn_diff - odiff) */ |
1085 | } |
1197 | } |
1086 | } |
1198 | } |
1087 | else |
1199 | else |
1088 | #endif |
1200 | #endif |
1089 | { |
1201 | { |
1090 | rt_now = ev_time (); |
1202 | ev_rt_now = ev_time (); |
1091 | |
1203 | |
1092 | if (expect_false (mn_now > rt_now || mn_now < rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
1204 | if (expect_false (mn_now > ev_rt_now || mn_now < ev_rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
1093 | { |
1205 | { |
|
|
1206 | #if EV_PERIODICS |
1094 | periodics_reschedule (EV_A); |
1207 | periodics_reschedule (EV_A); |
|
|
1208 | #endif |
1095 | |
1209 | |
1096 | /* adjust timers. this is easy, as the offset is the same for all */ |
1210 | /* adjust timers. this is easy, as the offset is the same for all */ |
1097 | for (i = 0; i < timercnt; ++i) |
1211 | for (i = 0; i < timercnt; ++i) |
1098 | ((WT)timers [i])->at += rt_now - mn_now; |
1212 | ((WT)timers [i])->at += ev_rt_now - mn_now; |
1099 | } |
1213 | } |
1100 | |
1214 | |
1101 | mn_now = rt_now; |
1215 | mn_now = ev_rt_now; |
1102 | } |
1216 | } |
1103 | } |
1217 | } |
1104 | |
1218 | |
1105 | void |
1219 | void |
1106 | ev_ref (EV_P) |
1220 | ev_ref (EV_P) |
… | |
… | |
1120 | ev_loop (EV_P_ int flags) |
1234 | ev_loop (EV_P_ int flags) |
1121 | { |
1235 | { |
1122 | double block; |
1236 | double block; |
1123 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) ? 1 : 0; |
1237 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) ? 1 : 0; |
1124 | |
1238 | |
1125 | do |
1239 | while (activecnt) |
1126 | { |
1240 | { |
1127 | /* queue check watchers (and execute them) */ |
1241 | /* queue check watchers (and execute them) */ |
1128 | if (expect_false (preparecnt)) |
1242 | if (expect_false (preparecnt)) |
1129 | { |
1243 | { |
1130 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
1244 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
… | |
… | |
1138 | /* update fd-related kernel structures */ |
1252 | /* update fd-related kernel structures */ |
1139 | fd_reify (EV_A); |
1253 | fd_reify (EV_A); |
1140 | |
1254 | |
1141 | /* calculate blocking time */ |
1255 | /* calculate blocking time */ |
1142 | |
1256 | |
1143 | /* we only need this for !monotonic clockor timers, but as we basically |
1257 | /* we only need this for !monotonic clock or timers, but as we basically |
1144 | always have timers, we just calculate it always */ |
1258 | always have timers, we just calculate it always */ |
1145 | #if EV_USE_MONOTONIC |
1259 | #if EV_USE_MONOTONIC |
1146 | if (expect_true (have_monotonic)) |
1260 | if (expect_true (have_monotonic)) |
1147 | time_update_monotonic (EV_A); |
1261 | time_update_monotonic (EV_A); |
1148 | else |
1262 | else |
1149 | #endif |
1263 | #endif |
1150 | { |
1264 | { |
1151 | rt_now = ev_time (); |
1265 | ev_rt_now = ev_time (); |
1152 | mn_now = rt_now; |
1266 | mn_now = ev_rt_now; |
1153 | } |
1267 | } |
1154 | |
1268 | |
1155 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
1269 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
1156 | block = 0.; |
1270 | block = 0.; |
1157 | else |
1271 | else |
… | |
… | |
1162 | { |
1276 | { |
1163 | ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge; |
1277 | ev_tstamp to = ((WT)timers [0])->at - mn_now + method_fudge; |
1164 | if (block > to) block = to; |
1278 | if (block > to) block = to; |
1165 | } |
1279 | } |
1166 | |
1280 | |
|
|
1281 | #if EV_PERIODICS |
1167 | if (periodiccnt) |
1282 | if (periodiccnt) |
1168 | { |
1283 | { |
1169 | ev_tstamp to = ((WT)periodics [0])->at - rt_now + method_fudge; |
1284 | ev_tstamp to = ((WT)periodics [0])->at - ev_rt_now + method_fudge; |
1170 | if (block > to) block = to; |
1285 | if (block > to) block = to; |
1171 | } |
1286 | } |
|
|
1287 | #endif |
1172 | |
1288 | |
1173 | if (block < 0.) block = 0.; |
1289 | if (expect_false (block < 0.)) block = 0.; |
1174 | } |
1290 | } |
1175 | |
1291 | |
1176 | method_poll (EV_A_ block); |
1292 | method_poll (EV_A_ block); |
1177 | |
1293 | |
1178 | /* update rt_now, do magic */ |
1294 | /* update ev_rt_now, do magic */ |
1179 | time_update (EV_A); |
1295 | time_update (EV_A); |
1180 | |
1296 | |
1181 | /* queue pending timers and reschedule them */ |
1297 | /* queue pending timers and reschedule them */ |
1182 | timers_reify (EV_A); /* relative timers called last */ |
1298 | timers_reify (EV_A); /* relative timers called last */ |
|
|
1299 | #if EV_PERIODICS |
1183 | periodics_reify (EV_A); /* absolute timers called first */ |
1300 | periodics_reify (EV_A); /* absolute timers called first */ |
|
|
1301 | #endif |
1184 | |
1302 | |
1185 | /* queue idle watchers unless io or timers are pending */ |
1303 | /* queue idle watchers unless io or timers are pending */ |
1186 | if (!pendingcnt) |
1304 | if (idlecnt && !any_pending (EV_A)) |
1187 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1305 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
1188 | |
1306 | |
1189 | /* queue check watchers, to be executed first */ |
1307 | /* queue check watchers, to be executed first */ |
1190 | if (checkcnt) |
1308 | if (expect_false (checkcnt)) |
1191 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1309 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
1192 | |
1310 | |
1193 | call_pending (EV_A); |
1311 | call_pending (EV_A); |
|
|
1312 | |
|
|
1313 | if (expect_false (loop_done)) |
|
|
1314 | break; |
1194 | } |
1315 | } |
1195 | while (activecnt && !loop_done); |
|
|
1196 | |
1316 | |
1197 | if (loop_done != 2) |
1317 | if (loop_done != 2) |
1198 | loop_done = 0; |
1318 | loop_done = 0; |
1199 | } |
1319 | } |
1200 | |
1320 | |
… | |
… | |
1260 | void |
1380 | void |
1261 | ev_io_start (EV_P_ struct ev_io *w) |
1381 | ev_io_start (EV_P_ struct ev_io *w) |
1262 | { |
1382 | { |
1263 | int fd = w->fd; |
1383 | int fd = w->fd; |
1264 | |
1384 | |
1265 | if (ev_is_active (w)) |
1385 | if (expect_false (ev_is_active (w))) |
1266 | return; |
1386 | return; |
1267 | |
1387 | |
1268 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1388 | assert (("ev_io_start called with negative fd", fd >= 0)); |
1269 | |
1389 | |
1270 | ev_start (EV_A_ (W)w, 1); |
1390 | ev_start (EV_A_ (W)w, 1); |
1271 | array_needsize (anfds, anfdmax, fd + 1, anfds_init); |
1391 | array_needsize (ANFD, anfds, anfdmax, fd + 1, anfds_init); |
1272 | wlist_add ((WL *)&anfds[fd].head, (WL)w); |
1392 | wlist_add ((WL *)&anfds[fd].head, (WL)w); |
1273 | |
1393 | |
1274 | fd_change (EV_A_ fd); |
1394 | fd_change (EV_A_ fd); |
1275 | } |
1395 | } |
1276 | |
1396 | |
1277 | void |
1397 | void |
1278 | ev_io_stop (EV_P_ struct ev_io *w) |
1398 | ev_io_stop (EV_P_ struct ev_io *w) |
1279 | { |
1399 | { |
1280 | ev_clear_pending (EV_A_ (W)w); |
1400 | ev_clear_pending (EV_A_ (W)w); |
1281 | if (!ev_is_active (w)) |
1401 | if (expect_false (!ev_is_active (w))) |
1282 | return; |
1402 | return; |
|
|
1403 | |
|
|
1404 | assert (("ev_io_start called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax)); |
1283 | |
1405 | |
1284 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
1406 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
1285 | ev_stop (EV_A_ (W)w); |
1407 | ev_stop (EV_A_ (W)w); |
1286 | |
1408 | |
1287 | fd_change (EV_A_ w->fd); |
1409 | fd_change (EV_A_ w->fd); |
1288 | } |
1410 | } |
1289 | |
1411 | |
1290 | void |
1412 | void |
1291 | ev_timer_start (EV_P_ struct ev_timer *w) |
1413 | ev_timer_start (EV_P_ struct ev_timer *w) |
1292 | { |
1414 | { |
1293 | if (ev_is_active (w)) |
1415 | if (expect_false (ev_is_active (w))) |
1294 | return; |
1416 | return; |
1295 | |
1417 | |
1296 | ((WT)w)->at += mn_now; |
1418 | ((WT)w)->at += mn_now; |
1297 | |
1419 | |
1298 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1420 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
1299 | |
1421 | |
1300 | ev_start (EV_A_ (W)w, ++timercnt); |
1422 | ev_start (EV_A_ (W)w, ++timercnt); |
1301 | array_needsize (timers, timermax, timercnt, (void)); |
1423 | array_needsize (struct ev_timer *, timers, timermax, timercnt, EMPTY2); |
1302 | timers [timercnt - 1] = w; |
1424 | timers [timercnt - 1] = w; |
1303 | upheap ((WT *)timers, timercnt - 1); |
1425 | upheap ((WT *)timers, timercnt - 1); |
1304 | |
1426 | |
1305 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1427 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1306 | } |
1428 | } |
1307 | |
1429 | |
1308 | void |
1430 | void |
1309 | ev_timer_stop (EV_P_ struct ev_timer *w) |
1431 | ev_timer_stop (EV_P_ struct ev_timer *w) |
1310 | { |
1432 | { |
1311 | ev_clear_pending (EV_A_ (W)w); |
1433 | ev_clear_pending (EV_A_ (W)w); |
1312 | if (!ev_is_active (w)) |
1434 | if (expect_false (!ev_is_active (w))) |
1313 | return; |
1435 | return; |
1314 | |
1436 | |
1315 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1437 | assert (("internal timer heap corruption", timers [((W)w)->active - 1] == w)); |
1316 | |
1438 | |
1317 | if (((W)w)->active < timercnt--) |
1439 | if (expect_true (((W)w)->active < timercnt--)) |
1318 | { |
1440 | { |
1319 | timers [((W)w)->active - 1] = timers [timercnt]; |
1441 | timers [((W)w)->active - 1] = timers [timercnt]; |
1320 | downheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1442 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1321 | } |
1443 | } |
1322 | |
1444 | |
1323 | ((WT)w)->at = w->repeat; |
1445 | ((WT)w)->at -= mn_now; |
1324 | |
1446 | |
1325 | ev_stop (EV_A_ (W)w); |
1447 | ev_stop (EV_A_ (W)w); |
1326 | } |
1448 | } |
1327 | |
1449 | |
1328 | void |
1450 | void |
… | |
… | |
1331 | if (ev_is_active (w)) |
1453 | if (ev_is_active (w)) |
1332 | { |
1454 | { |
1333 | if (w->repeat) |
1455 | if (w->repeat) |
1334 | { |
1456 | { |
1335 | ((WT)w)->at = mn_now + w->repeat; |
1457 | ((WT)w)->at = mn_now + w->repeat; |
1336 | downheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1458 | adjustheap ((WT *)timers, timercnt, ((W)w)->active - 1); |
1337 | } |
1459 | } |
1338 | else |
1460 | else |
1339 | ev_timer_stop (EV_A_ w); |
1461 | ev_timer_stop (EV_A_ w); |
1340 | } |
1462 | } |
1341 | else if (w->repeat) |
1463 | else if (w->repeat) |
|
|
1464 | { |
|
|
1465 | w->at = w->repeat; |
1342 | ev_timer_start (EV_A_ w); |
1466 | ev_timer_start (EV_A_ w); |
|
|
1467 | } |
1343 | } |
1468 | } |
1344 | |
1469 | |
|
|
1470 | #if EV_PERIODICS |
1345 | void |
1471 | void |
1346 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
1472 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
1347 | { |
1473 | { |
1348 | if (ev_is_active (w)) |
1474 | if (expect_false (ev_is_active (w))) |
1349 | return; |
1475 | return; |
1350 | |
1476 | |
|
|
1477 | if (w->reschedule_cb) |
|
|
1478 | ((WT)w)->at = w->reschedule_cb (w, ev_rt_now); |
|
|
1479 | else if (w->interval) |
|
|
1480 | { |
1351 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1481 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1352 | |
|
|
1353 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1482 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1354 | if (w->interval) |
|
|
1355 | ((WT)w)->at += ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1483 | ((WT)w)->at += ceil ((ev_rt_now - ((WT)w)->at) / w->interval) * w->interval; |
|
|
1484 | } |
1356 | |
1485 | |
1357 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1486 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1358 | array_needsize (periodics, periodicmax, periodiccnt, (void)); |
1487 | array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, EMPTY2); |
1359 | periodics [periodiccnt - 1] = w; |
1488 | periodics [periodiccnt - 1] = w; |
1360 | upheap ((WT *)periodics, periodiccnt - 1); |
1489 | upheap ((WT *)periodics, periodiccnt - 1); |
1361 | |
1490 | |
1362 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1491 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1363 | } |
1492 | } |
1364 | |
1493 | |
1365 | void |
1494 | void |
1366 | ev_periodic_stop (EV_P_ struct ev_periodic *w) |
1495 | ev_periodic_stop (EV_P_ struct ev_periodic *w) |
1367 | { |
1496 | { |
1368 | ev_clear_pending (EV_A_ (W)w); |
1497 | ev_clear_pending (EV_A_ (W)w); |
1369 | if (!ev_is_active (w)) |
1498 | if (expect_false (!ev_is_active (w))) |
1370 | return; |
1499 | return; |
1371 | |
1500 | |
1372 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1501 | assert (("internal periodic heap corruption", periodics [((W)w)->active - 1] == w)); |
1373 | |
1502 | |
1374 | if (((W)w)->active < periodiccnt--) |
1503 | if (expect_true (((W)w)->active < periodiccnt--)) |
1375 | { |
1504 | { |
1376 | periodics [((W)w)->active - 1] = periodics [periodiccnt]; |
1505 | periodics [((W)w)->active - 1] = periodics [periodiccnt]; |
1377 | downheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); |
1506 | adjustheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); |
1378 | } |
1507 | } |
1379 | |
1508 | |
1380 | ev_stop (EV_A_ (W)w); |
1509 | ev_stop (EV_A_ (W)w); |
1381 | } |
1510 | } |
1382 | |
1511 | |
1383 | void |
1512 | void |
|
|
1513 | ev_periodic_again (EV_P_ struct ev_periodic *w) |
|
|
1514 | { |
|
|
1515 | /* TODO: use adjustheap and recalculation */ |
|
|
1516 | ev_periodic_stop (EV_A_ w); |
|
|
1517 | ev_periodic_start (EV_A_ w); |
|
|
1518 | } |
|
|
1519 | #endif |
|
|
1520 | |
|
|
1521 | void |
1384 | ev_idle_start (EV_P_ struct ev_idle *w) |
1522 | ev_idle_start (EV_P_ struct ev_idle *w) |
1385 | { |
1523 | { |
1386 | if (ev_is_active (w)) |
1524 | if (expect_false (ev_is_active (w))) |
1387 | return; |
1525 | return; |
1388 | |
1526 | |
1389 | ev_start (EV_A_ (W)w, ++idlecnt); |
1527 | ev_start (EV_A_ (W)w, ++idlecnt); |
1390 | array_needsize (idles, idlemax, idlecnt, (void)); |
1528 | array_needsize (struct ev_idle *, idles, idlemax, idlecnt, EMPTY2); |
1391 | idles [idlecnt - 1] = w; |
1529 | idles [idlecnt - 1] = w; |
1392 | } |
1530 | } |
1393 | |
1531 | |
1394 | void |
1532 | void |
1395 | ev_idle_stop (EV_P_ struct ev_idle *w) |
1533 | ev_idle_stop (EV_P_ struct ev_idle *w) |
1396 | { |
1534 | { |
1397 | ev_clear_pending (EV_A_ (W)w); |
1535 | ev_clear_pending (EV_A_ (W)w); |
1398 | if (ev_is_active (w)) |
1536 | if (expect_false (!ev_is_active (w))) |
1399 | return; |
1537 | return; |
1400 | |
1538 | |
1401 | idles [((W)w)->active - 1] = idles [--idlecnt]; |
1539 | idles [((W)w)->active - 1] = idles [--idlecnt]; |
1402 | ev_stop (EV_A_ (W)w); |
1540 | ev_stop (EV_A_ (W)w); |
1403 | } |
1541 | } |
1404 | |
1542 | |
1405 | void |
1543 | void |
1406 | ev_prepare_start (EV_P_ struct ev_prepare *w) |
1544 | ev_prepare_start (EV_P_ struct ev_prepare *w) |
1407 | { |
1545 | { |
1408 | if (ev_is_active (w)) |
1546 | if (expect_false (ev_is_active (w))) |
1409 | return; |
1547 | return; |
1410 | |
1548 | |
1411 | ev_start (EV_A_ (W)w, ++preparecnt); |
1549 | ev_start (EV_A_ (W)w, ++preparecnt); |
1412 | array_needsize (prepares, preparemax, preparecnt, (void)); |
1550 | array_needsize (struct ev_prepare *, prepares, preparemax, preparecnt, EMPTY2); |
1413 | prepares [preparecnt - 1] = w; |
1551 | prepares [preparecnt - 1] = w; |
1414 | } |
1552 | } |
1415 | |
1553 | |
1416 | void |
1554 | void |
1417 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
1555 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
1418 | { |
1556 | { |
1419 | ev_clear_pending (EV_A_ (W)w); |
1557 | ev_clear_pending (EV_A_ (W)w); |
1420 | if (ev_is_active (w)) |
1558 | if (expect_false (!ev_is_active (w))) |
1421 | return; |
1559 | return; |
1422 | |
1560 | |
1423 | prepares [((W)w)->active - 1] = prepares [--preparecnt]; |
1561 | prepares [((W)w)->active - 1] = prepares [--preparecnt]; |
1424 | ev_stop (EV_A_ (W)w); |
1562 | ev_stop (EV_A_ (W)w); |
1425 | } |
1563 | } |
1426 | |
1564 | |
1427 | void |
1565 | void |
1428 | ev_check_start (EV_P_ struct ev_check *w) |
1566 | ev_check_start (EV_P_ struct ev_check *w) |
1429 | { |
1567 | { |
1430 | if (ev_is_active (w)) |
1568 | if (expect_false (ev_is_active (w))) |
1431 | return; |
1569 | return; |
1432 | |
1570 | |
1433 | ev_start (EV_A_ (W)w, ++checkcnt); |
1571 | ev_start (EV_A_ (W)w, ++checkcnt); |
1434 | array_needsize (checks, checkmax, checkcnt, (void)); |
1572 | array_needsize (struct ev_check *, checks, checkmax, checkcnt, EMPTY2); |
1435 | checks [checkcnt - 1] = w; |
1573 | checks [checkcnt - 1] = w; |
1436 | } |
1574 | } |
1437 | |
1575 | |
1438 | void |
1576 | void |
1439 | ev_check_stop (EV_P_ struct ev_check *w) |
1577 | ev_check_stop (EV_P_ struct ev_check *w) |
1440 | { |
1578 | { |
1441 | ev_clear_pending (EV_A_ (W)w); |
1579 | ev_clear_pending (EV_A_ (W)w); |
1442 | if (ev_is_active (w)) |
1580 | if (expect_false (!ev_is_active (w))) |
1443 | return; |
1581 | return; |
1444 | |
1582 | |
1445 | checks [((W)w)->active - 1] = checks [--checkcnt]; |
1583 | checks [((W)w)->active - 1] = checks [--checkcnt]; |
1446 | ev_stop (EV_A_ (W)w); |
1584 | ev_stop (EV_A_ (W)w); |
1447 | } |
1585 | } |
… | |
… | |
1452 | |
1590 | |
1453 | void |
1591 | void |
1454 | ev_signal_start (EV_P_ struct ev_signal *w) |
1592 | ev_signal_start (EV_P_ struct ev_signal *w) |
1455 | { |
1593 | { |
1456 | #if EV_MULTIPLICITY |
1594 | #if EV_MULTIPLICITY |
1457 | assert (("signal watchers are only supported in the default loop", loop == default_loop)); |
1595 | assert (("signal watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1458 | #endif |
1596 | #endif |
1459 | if (ev_is_active (w)) |
1597 | if (expect_false (ev_is_active (w))) |
1460 | return; |
1598 | return; |
1461 | |
1599 | |
1462 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1600 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
1463 | |
1601 | |
1464 | ev_start (EV_A_ (W)w, 1); |
1602 | ev_start (EV_A_ (W)w, 1); |
1465 | array_needsize (signals, signalmax, w->signum, signals_init); |
1603 | array_needsize (ANSIG, signals, signalmax, w->signum, signals_init); |
1466 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1604 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1467 | |
1605 | |
1468 | if (!((WL)w)->next) |
1606 | if (!((WL)w)->next) |
1469 | { |
1607 | { |
1470 | #if WIN32 |
1608 | #if _WIN32 |
1471 | signal (w->signum, sighandler); |
1609 | signal (w->signum, sighandler); |
1472 | #else |
1610 | #else |
1473 | struct sigaction sa; |
1611 | struct sigaction sa; |
1474 | sa.sa_handler = sighandler; |
1612 | sa.sa_handler = sighandler; |
1475 | sigfillset (&sa.sa_mask); |
1613 | sigfillset (&sa.sa_mask); |
… | |
… | |
1481 | |
1619 | |
1482 | void |
1620 | void |
1483 | ev_signal_stop (EV_P_ struct ev_signal *w) |
1621 | ev_signal_stop (EV_P_ struct ev_signal *w) |
1484 | { |
1622 | { |
1485 | ev_clear_pending (EV_A_ (W)w); |
1623 | ev_clear_pending (EV_A_ (W)w); |
1486 | if (!ev_is_active (w)) |
1624 | if (expect_false (!ev_is_active (w))) |
1487 | return; |
1625 | return; |
1488 | |
1626 | |
1489 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
1627 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
1490 | ev_stop (EV_A_ (W)w); |
1628 | ev_stop (EV_A_ (W)w); |
1491 | |
1629 | |
… | |
… | |
1495 | |
1633 | |
1496 | void |
1634 | void |
1497 | ev_child_start (EV_P_ struct ev_child *w) |
1635 | ev_child_start (EV_P_ struct ev_child *w) |
1498 | { |
1636 | { |
1499 | #if EV_MULTIPLICITY |
1637 | #if EV_MULTIPLICITY |
1500 | assert (("child watchers are only supported in the default loop", loop == default_loop)); |
1638 | assert (("child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); |
1501 | #endif |
1639 | #endif |
1502 | if (ev_is_active (w)) |
1640 | if (expect_false (ev_is_active (w))) |
1503 | return; |
1641 | return; |
1504 | |
1642 | |
1505 | ev_start (EV_A_ (W)w, 1); |
1643 | ev_start (EV_A_ (W)w, 1); |
1506 | wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1644 | wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1507 | } |
1645 | } |
1508 | |
1646 | |
1509 | void |
1647 | void |
1510 | ev_child_stop (EV_P_ struct ev_child *w) |
1648 | ev_child_stop (EV_P_ struct ev_child *w) |
1511 | { |
1649 | { |
1512 | ev_clear_pending (EV_A_ (W)w); |
1650 | ev_clear_pending (EV_A_ (W)w); |
1513 | if (ev_is_active (w)) |
1651 | if (expect_false (!ev_is_active (w))) |
1514 | return; |
1652 | return; |
1515 | |
1653 | |
1516 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1654 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
1517 | ev_stop (EV_A_ (W)w); |
1655 | ev_stop (EV_A_ (W)w); |
1518 | } |
1656 | } |
… | |
… | |
1553 | } |
1691 | } |
1554 | |
1692 | |
1555 | void |
1693 | void |
1556 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
1694 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
1557 | { |
1695 | { |
1558 | struct ev_once *once = ev_malloc (sizeof (struct ev_once)); |
1696 | struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); |
1559 | |
1697 | |
1560 | if (!once) |
1698 | if (expect_false (!once)) |
|
|
1699 | { |
1561 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
1700 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
1562 | else |
1701 | return; |
1563 | { |
1702 | } |
|
|
1703 | |
1564 | once->cb = cb; |
1704 | once->cb = cb; |
1565 | once->arg = arg; |
1705 | once->arg = arg; |
1566 | |
1706 | |
1567 | ev_watcher_init (&once->io, once_cb_io); |
1707 | ev_init (&once->io, once_cb_io); |
1568 | if (fd >= 0) |
1708 | if (fd >= 0) |
1569 | { |
1709 | { |
1570 | ev_io_set (&once->io, fd, events); |
1710 | ev_io_set (&once->io, fd, events); |
1571 | ev_io_start (EV_A_ &once->io); |
1711 | ev_io_start (EV_A_ &once->io); |
1572 | } |
1712 | } |
1573 | |
1713 | |
1574 | ev_watcher_init (&once->to, once_cb_to); |
1714 | ev_init (&once->to, once_cb_to); |
1575 | if (timeout >= 0.) |
1715 | if (timeout >= 0.) |
1576 | { |
1716 | { |
1577 | ev_timer_set (&once->to, timeout, 0.); |
1717 | ev_timer_set (&once->to, timeout, 0.); |
1578 | ev_timer_start (EV_A_ &once->to); |
1718 | ev_timer_start (EV_A_ &once->to); |
1579 | } |
|
|
1580 | } |
1719 | } |
1581 | } |
1720 | } |
1582 | |
1721 | |
|
|
1722 | #ifdef __cplusplus |
|
|
1723 | } |
|
|
1724 | #endif |
|
|
1725 | |