| … | |
… | |
| 77 | return; |
77 | return; |
| 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, the fd in the lower 32 bits */ |
| 83 | ev.data.u64 = fd | ((uint64_t)++anfds [fd].egen << 32); |
83 | ev.data.u64 = (uint64_t)(uint32_t)fd |
|
|
84 | | ((uint64_t)(uint32_t)++anfds [fd].egen << 32); |
| 84 | ev.events = (nev & EV_READ ? EPOLLIN : 0) |
85 | ev.events = (nev & EV_READ ? EPOLLIN : 0) |
| 85 | | (nev & EV_WRITE ? EPOLLOUT : 0); |
86 | | (nev & EV_WRITE ? EPOLLOUT : 0); |
| 86 | |
87 | |
| 87 | if (expect_true (!epoll_ctl (backend_fd, oev ? EPOLL_CTL_MOD : EPOLL_CTL_ADD, fd, &ev))) |
88 | if (expect_true (!epoll_ctl (backend_fd, oev ? EPOLL_CTL_MOD : EPOLL_CTL_ADD, fd, &ev))) |
| 88 | return; |
89 | return; |
| … | |
… | |
| 136 | int want = anfds [fd].events; |
137 | int want = anfds [fd].events; |
| 137 | int got = (ev->events & (EPOLLOUT | EPOLLERR | EPOLLHUP) ? EV_WRITE : 0) |
138 | int got = (ev->events & (EPOLLOUT | EPOLLERR | EPOLLHUP) ? EV_WRITE : 0) |
| 138 | | (ev->events & (EPOLLIN | EPOLLERR | EPOLLHUP) ? EV_READ : 0); |
139 | | (ev->events & (EPOLLIN | EPOLLERR | EPOLLHUP) ? EV_READ : 0); |
| 139 | |
140 | |
| 140 | /* check for spurious notification */ |
141 | /* check for spurious notification */ |
| 141 | if (expect_false (anfds [fd].egen != (unsigned char)(ev->data.u64 >> 32))) |
142 | if (expect_false ((uint32_t)anfds [fd].egen != (uint32_t)(ev->data.u64 >> 32))) |
| 142 | { |
143 | { |
| 143 | /* recreate kernel state */ |
144 | /* recreate kernel state */ |
| 144 | postfork = 1; |
145 | postfork = 1; |
| 145 | continue; |
146 | continue; |
| 146 | } |
147 | } |
