| 1 | /* |
1 | /* |
| 2 | * libev epoll fd activity backend |
2 | * libev epoll fd activity backend |
| 3 | * |
3 | * |
| 4 | * Copyright (c) 2007,2008 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007,2008,2009 Marc Alexander Lehmann <libev@schmorp.de> |
| 5 | * All rights reserved. |
5 | * All rights reserved. |
| 6 | * |
6 | * |
| 7 | * Redistribution and use in source and binary forms, with or without modifica- |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
| 8 | * tion, are permitted provided that the following conditions are met: |
8 | * tion, are permitted provided that the following conditions are met: |
| 9 | * |
9 | * |
| … | |
… | |
| 119 | epoll_poll (EV_P_ ev_tstamp timeout) |
119 | epoll_poll (EV_P_ ev_tstamp timeout) |
| 120 | { |
120 | { |
| 121 | int i; |
121 | int i; |
| 122 | int eventcnt; |
122 | int eventcnt; |
| 123 | |
123 | |
| 124 | if (expect_false (suspend_cb)) suspend_cb (EV_A); |
124 | EV_RELEASE_CB; |
| 125 | eventcnt = epoll_wait (backend_fd, epoll_events, epoll_eventmax, (int)ceil (timeout * 1000.)); |
125 | eventcnt = epoll_wait (backend_fd, epoll_events, epoll_eventmax, (int)ceil (timeout * 1000.)); |
| 126 | if (expect_false (resume_cb)) resume_cb (EV_A); |
126 | EV_ACQUIRE_CB; |
| 127 | |
127 | |
| 128 | if (expect_false (eventcnt < 0)) |
128 | if (expect_false (eventcnt < 0)) |
| 129 | { |
129 | { |
| 130 | if (errno != EINTR) |
130 | if (errno != EINTR) |
| 131 | ev_syserr ("(libev) epoll_wait"); |
131 | ev_syserr ("(libev) epoll_wait"); |
| … | |
… | |
| 179 | } |
179 | } |
| 180 | |
180 | |
| 181 | int inline_size |
181 | int inline_size |
| 182 | epoll_init (EV_P_ int flags) |
182 | epoll_init (EV_P_ int flags) |
| 183 | { |
183 | { |
|
|
184 | #ifdef EPOLL_CLOEXEC |
|
|
185 | backend_fd = epoll_create1 (EPOLL_CLOEXEC); |
|
|
186 | |
|
|
187 | if (backend_fd <= 0) |
|
|
188 | #endif |
| 184 | backend_fd = epoll_create (256); |
189 | backend_fd = epoll_create (256); |
| 185 | |
190 | |
| 186 | if (backend_fd < 0) |
191 | if (backend_fd < 0) |
| 187 | return 0; |
192 | return 0; |
| 188 | |
193 | |
| 189 | fcntl (backend_fd, F_SETFD, FD_CLOEXEC); |
194 | fcntl (backend_fd, F_SETFD, FD_CLOEXEC); |
