| … | |
… | |
| 142 | epoll_poll (EV_P_ ev_tstamp timeout) |
142 | epoll_poll (EV_P_ ev_tstamp timeout) |
| 143 | { |
143 | { |
| 144 | int i; |
144 | int i; |
| 145 | int eventcnt; |
145 | int eventcnt; |
| 146 | |
146 | |
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147 | if (expect_false (epoll_epermcnt)) |
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148 | timeout = 0.; |
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149 | |
| 147 | /* epoll wait times cannot be larger than (LONG_MAX - 999UL) / HZ msecs, which is below */ |
150 | /* epoll wait times cannot be larger than (LONG_MAX - 999UL) / HZ msecs, which is below */ |
| 148 | /* the default libev max wait time, however. */ |
151 | /* the default libev max wait time, however. */ |
| 149 | EV_RELEASE_CB; |
152 | EV_RELEASE_CB; |
| 150 | eventcnt = epoll_wait (backend_fd, epoll_events, epoll_eventmax, |
153 | eventcnt = epoll_wait (backend_fd, epoll_events, epoll_eventmax, timeout * 1e3); |
| 151 | epoll_epermcnt ? 0 : ev_timeout_to_ms (timeout)); |
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| 152 | EV_ACQUIRE_CB; |
154 | EV_ACQUIRE_CB; |
| 153 | |
155 | |
| 154 | if (expect_false (eventcnt < 0)) |
156 | if (expect_false (eventcnt < 0)) |
| 155 | { |
157 | { |
| 156 | if (errno != EINTR) |
158 | if (errno != EINTR) |
| … | |
… | |
| 232 | if (backend_fd < 0) |
234 | if (backend_fd < 0) |
| 233 | return 0; |
235 | return 0; |
| 234 | |
236 | |
| 235 | fcntl (backend_fd, F_SETFD, FD_CLOEXEC); |
237 | fcntl (backend_fd, F_SETFD, FD_CLOEXEC); |
| 236 | |
238 | |
| 237 | backend_fudge = 1./1024.; /* epoll does sometimes return early, this is just to avoid the worst */ |
239 | backend_mintime = 1./1024.; /* epoll does sometimes return early, this is just to avoid the worst */ |
| 238 | backend_modify = epoll_modify; |
240 | backend_modify = epoll_modify; |
| 239 | backend_poll = epoll_poll; |
241 | backend_poll = epoll_poll; |
| 240 | |
242 | |
| 241 | epoll_eventmax = 64; /* initial number of events receivable per poll */ |
243 | epoll_eventmax = 64; /* initial number of events receivable per poll */ |
| 242 | epoll_events = (struct epoll_event *)ev_malloc (sizeof (struct epoll_event) * epoll_eventmax); |
244 | epoll_events = (struct epoll_event *)ev_malloc (sizeof (struct epoll_event) * epoll_eventmax); |
| 243 | |
245 | |
| 244 | return EVBACKEND_EPOLL; |
246 | return EVBACKEND_EPOLL; |
