| Austin Schuh | a273376 | 2015-09-06 17:46:50 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2003-2009 Niels Provos <provos@citi.umich.edu> |
| 3 | * Copyright 2009-2012 Niels Provos and Nick Mathewson |
| 4 | * |
| 5 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that the following conditions |
| 7 | * are met: |
| 8 | * 1. Redistributions of source code must retain the above copyright |
| 9 | * notice, this list of conditions and the following disclaimer. |
| 10 | * 2. Redistributions in binary form must reproduce the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer in the |
| 12 | * documentation and/or other materials provided with the distribution. |
| 13 | * 3. The name of the author may not be used to endorse or promote products |
| 14 | * derived from this software without specific prior written permission. |
| 15 | * |
| 16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| 17 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 18 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| 19 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 20 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 21 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 22 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 23 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 24 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 25 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 26 | */ |
| 27 | #include <stdint.h> |
| 28 | |
| 29 | #include <sys/param.h> |
| 30 | #include <sys/types.h> |
| 31 | #include <sys/syscall.h> |
| 32 | #include <sys/epoll.h> |
| 33 | #include <unistd.h> |
| 34 | #include <errno.h> |
| 35 | |
| 36 | int |
| 37 | epoll_create(int size) |
| 38 | { |
| 39 | #if !defined(__NR_epoll_create) && defined(__NR_epoll_create1) |
| 40 | if (size <= 0) { |
| 41 | errno = EINVAL; |
| 42 | return -1; |
| 43 | } |
| 44 | return (syscall(__NR_epoll_create1, 0)); |
| 45 | #else |
| 46 | return (syscall(__NR_epoll_create, size)); |
| 47 | #endif |
| 48 | } |
| 49 | |
| 50 | int |
| 51 | epoll_ctl(int epfd, int op, int fd, struct epoll_event *event) |
| 52 | { |
| 53 | |
| 54 | return (syscall(__NR_epoll_ctl, epfd, op, fd, event)); |
| 55 | } |
| 56 | |
| 57 | int |
| 58 | epoll_wait(int epfd, struct epoll_event *events, int maxevents, int timeout) |
| 59 | { |
| 60 | #if !defined(__NR_epoll_wait) && defined(__NR_epoll_pwait) |
| 61 | return (syscall(__NR_epoll_pwait, epfd, events, maxevents, timeout, NULL, 0)); |
| 62 | #else |
| 63 | return (syscall(__NR_epoll_wait, epfd, events, maxevents, timeout)); |
| 64 | #endif |
| 65 | } |