| … | |
… | |
| 78 | |
78 | |
| 79 | oldmask = anfds [fd].emask; |
79 | oldmask = anfds [fd].emask; |
| 80 | anfds [fd].emask = nev; |
80 | anfds [fd].emask = nev; |
| 81 | |
81 | |
| 82 | /* store the generation counter in the upper 32 bits */ |
82 | /* store the generation counter in the upper 32 bits */ |
| 83 | ev.data.u64 = fd | ((uint64_t)++anfds [fd].egen << 32); |
83 | ev.data.u64 = (uint64_t)(uint32_t)fd | ((uint64_t)(uint32_t)++anfds [fd].egen << 32); |
| 84 | ev.events = (nev & EV_READ ? EPOLLIN : 0) |
84 | ev.events = (nev & EV_READ ? EPOLLIN : 0) |
| 85 | | (nev & EV_WRITE ? EPOLLOUT : 0); |
85 | | (nev & EV_WRITE ? EPOLLOUT : 0); |
| 86 | |
86 | |
| 87 | if (expect_true (!epoll_ctl (backend_fd, oev ? EPOLL_CTL_MOD : EPOLL_CTL_ADD, fd, &ev))) |
87 | if (expect_true (!epoll_ctl (backend_fd, oev ? EPOLL_CTL_MOD : EPOLL_CTL_ADD, fd, &ev))) |
| 88 | return; |
88 | return; |
| … | |
… | |
| 121 | int eventcnt = epoll_wait (backend_fd, epoll_events, epoll_eventmax, (int)ceil (timeout * 1000.)); |
121 | int eventcnt = epoll_wait (backend_fd, epoll_events, epoll_eventmax, (int)ceil (timeout * 1000.)); |
| 122 | |
122 | |
| 123 | if (expect_false (eventcnt < 0)) |
123 | if (expect_false (eventcnt < 0)) |
| 124 | { |
124 | { |
| 125 | if (errno != EINTR) |
125 | if (errno != EINTR) |
| 126 | syserr ("(libev) epoll_wait"); |
126 | ev_syserr ("(libev) epoll_wait"); |
| 127 | |
127 | |
| 128 | return; |
128 | return; |
| 129 | } |
129 | } |
| 130 | |
130 | |
| 131 | for (i = 0; i < eventcnt; ++i) |
131 | for (i = 0; i < eventcnt; ++i) |
| … | |
… | |
| 136 | int want = anfds [fd].events; |
136 | int want = anfds [fd].events; |
| 137 | int got = (ev->events & (EPOLLOUT | EPOLLERR | EPOLLHUP) ? EV_WRITE : 0) |
137 | int got = (ev->events & (EPOLLOUT | EPOLLERR | EPOLLHUP) ? EV_WRITE : 0) |
| 138 | | (ev->events & (EPOLLIN | EPOLLERR | EPOLLHUP) ? EV_READ : 0); |
138 | | (ev->events & (EPOLLIN | EPOLLERR | EPOLLHUP) ? EV_READ : 0); |
| 139 | |
139 | |
| 140 | /* check for spurious notification */ |
140 | /* check for spurious notification */ |
| 141 | if (expect_false (anfds [fd].egen != (unsigned char)(ev->data.u64 >> 32))) |
141 | if (expect_false ((uint32_t)anfds [fd].egen != (uint32_t)(ev->data.u64 >> 32))) |
| 142 | { |
142 | { |
| 143 | /* recreate kernel state */ |
143 | /* recreate kernel state */ |
| 144 | postfork = 1; |
144 | postfork = 1; |
| 145 | continue; |
145 | continue; |
| 146 | } |
146 | } |
| … | |
… | |
| 203 | epoll_fork (EV_P) |
203 | epoll_fork (EV_P) |
| 204 | { |
204 | { |
| 205 | close (backend_fd); |
205 | close (backend_fd); |
| 206 | |
206 | |
| 207 | while ((backend_fd = epoll_create (256)) < 0) |
207 | while ((backend_fd = epoll_create (256)) < 0) |
| 208 | syserr ("(libev) epoll_create"); |
208 | ev_syserr ("(libev) epoll_create"); |
| 209 | |
209 | |
| 210 | fcntl (backend_fd, F_SETFD, FD_CLOEXEC); |
210 | fcntl (backend_fd, F_SETFD, FD_CLOEXEC); |
| 211 | |
211 | |
| 212 | fd_rearm_all (EV_A); |
212 | fd_rearm_all (EV_A); |
| 213 | } |
213 | } |
