| … | |
… | |
| 85 | kqueue_events = (struct kevent *)ev_malloc (sizeof (struct kevent) * kqueue_eventmax); |
85 | kqueue_events = (struct kevent *)ev_malloc (sizeof (struct kevent) * kqueue_eventmax); |
| 86 | } |
86 | } |
| 87 | |
87 | |
| 88 | ts.tv_sec = (time_t)timeout; |
88 | ts.tv_sec = (time_t)timeout; |
| 89 | ts.tv_nsec = (long)((timeout - (ev_tstamp)ts.tv_sec) * 1e9); |
89 | ts.tv_nsec = (long)((timeout - (ev_tstamp)ts.tv_sec) * 1e9); |
| 90 | res = kevent (kqueue_fd, kqueue_changes, kqueue_changecnt, kqueue_events, kqueue_eventmax, &ts); |
90 | res = kevent (backend_fd, kqueue_changes, kqueue_changecnt, kqueue_events, kqueue_eventmax, &ts); |
| 91 | kqueue_changecnt = 0; |
91 | kqueue_changecnt = 0; |
| 92 | |
92 | |
| 93 | if (res < 0) |
93 | if (res < 0) |
| 94 | { |
94 | { |
| 95 | if (errno != EINTR) |
95 | if (errno != EINTR) |
| … | |
… | |
| 154 | kqueue_init (EV_P_ int flags) |
154 | kqueue_init (EV_P_ int flags) |
| 155 | { |
155 | { |
| 156 | struct kevent ch, ev; |
156 | struct kevent ch, ev; |
| 157 | |
157 | |
| 158 | /* Initalize the kernel queue */ |
158 | /* Initalize the kernel queue */ |
| 159 | if ((kqueue_fd = kqueue ()) < 0) |
159 | if ((backend_fd = kqueue ()) < 0) |
| 160 | return 0; |
160 | return 0; |
| 161 | |
161 | |
| 162 | fcntl (kqueue_fd, F_SETFD, FD_CLOEXEC); /* not sure if necessary, hopefully doesn't hurt */ |
162 | fcntl (backend_fd, F_SETFD, FD_CLOEXEC); /* not sure if necessary, hopefully doesn't hurt */ |
| 163 | |
163 | |
| 164 | /* Check for Mac OS X kqueue bug. */ |
164 | /* Check for Mac OS X kqueue bug. */ |
| 165 | ch.ident = -1; |
165 | ch.ident = -1; |
| 166 | ch.filter = EVFILT_READ; |
166 | ch.filter = EVFILT_READ; |
| 167 | ch.flags = EV_ADD; |
167 | ch.flags = EV_ADD; |
| … | |
… | |
| 169 | /* |
169 | /* |
| 170 | * If kqueue works, then kevent will succeed, and it will |
170 | * If kqueue works, then kevent will succeed, and it will |
| 171 | * stick an error in ev. If kqueue is broken, then |
171 | * stick an error in ev. If kqueue is broken, then |
| 172 | * kevent will fail. |
172 | * kevent will fail. |
| 173 | */ |
173 | */ |
| 174 | if (kevent (kqueue_fd, &ch, 1, &ev, 1, 0) != 1 |
174 | if (kevent (backend_fd, &ch, 1, &ev, 1, 0) != 1 |
| 175 | || ev.ident != -1 |
175 | || ev.ident != -1 |
| 176 | || ev.flags != EV_ERROR) |
176 | || ev.flags != EV_ERROR) |
| 177 | { |
177 | { |
| 178 | /* detected broken kqueue */ |
178 | /* detected broken kqueue */ |
| 179 | close (kqueue_fd); |
179 | close (backend_fd); |
| 180 | return 0; |
180 | return 0; |
| 181 | } |
181 | } |
| 182 | |
182 | |
| 183 | backend_fudge = 1e-3; /* needed to compensate for kevent returning early */ |
183 | backend_fudge = 1e-3; /* needed to compensate for kevent returning early */ |
| 184 | backend_modify = kqueue_modify; |
184 | backend_modify = kqueue_modify; |
| … | |
… | |
| 195 | } |
195 | } |
| 196 | |
196 | |
| 197 | static void |
197 | static void |
| 198 | kqueue_destroy (EV_P) |
198 | kqueue_destroy (EV_P) |
| 199 | { |
199 | { |
| 200 | close (kqueue_fd); |
200 | close (backend_fd); |
| 201 | |
201 | |
| 202 | ev_free (kqueue_events); |
202 | ev_free (kqueue_events); |
| 203 | ev_free (kqueue_changes); |
203 | ev_free (kqueue_changes); |
| 204 | } |
204 | } |
| 205 | |
205 | |
| 206 | static void |
206 | static void |
| 207 | kqueue_fork (EV_P) |
207 | kqueue_fork (EV_P) |
| 208 | { |
208 | { |
| 209 | close (kqueue_fd); |
209 | close (backend_fd); |
| 210 | |
210 | |
| 211 | while ((kqueue_fd = kqueue ()) < 0) |
211 | while ((backend_fd = kqueue ()) < 0) |
| 212 | syserr ("(libev) kqueue"); |
212 | syserr ("(libev) kqueue"); |
| 213 | |
213 | |
| 214 | fcntl (kqueue_fd, F_SETFD, FD_CLOEXEC); |
214 | fcntl (backend_fd, F_SETFD, FD_CLOEXEC); |
| 215 | |
215 | |
| 216 | /* re-register interest in fds */ |
216 | /* re-register interest in fds */ |
| 217 | fd_rearm_all (EV_A); |
217 | fd_rearm_all (EV_A); |
| 218 | } |
218 | } |
| 219 | |
219 | |
