ipc/chromium/src/third_party/libevent/epoll_sub.c@deefc01c0e14 (annotated)
ipc/chromium/src/third_party/libevent/epoll_sub.c
Thu, 15 Jan 2015 21:03:48 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 15 Jan 2015 21:03:48 +0100
- branch
- TOR_BUG_9701
- changeset 11
- deefc01c0e14
- permissions
- -rw-r--r--
Integrate friendly tips from Tor colleagues to make (or not) 4.5 alpha 3;
This includes removal of overloaded (but unused) methods, and addition of
a overlooked call to DataStruct::SetData(nsISupports, uint32_t, bool.)
| michael@0 | 1 | /* |
| michael@0 | 2 | * Copyright 2003-2009 Niels Provos <provos@citi.umich.edu> |
| michael@0 | 3 | * Copyright 2009-2012 Niels Provos and Nick Mathewson |
| michael@0 | 4 | * |
| michael@0 | 5 | * Redistribution and use in source and binary forms, with or without |
| michael@0 | 6 | * modification, are permitted provided that the following conditions |
| michael@0 | 7 | * are met: |
| michael@0 | 8 | * 1. Redistributions of source code must retain the above copyright |
| michael@0 | 9 | * notice, this list of conditions and the following disclaimer. |
| michael@0 | 10 | * 2. Redistributions in binary form must reproduce the above copyright |
| michael@0 | 11 | * notice, this list of conditions and the following disclaimer in the |
| michael@0 | 12 | * documentation and/or other materials provided with the distribution. |
| michael@0 | 13 | * 3. The name of the author may not be used to endorse or promote products |
| michael@0 | 14 | * derived from this software without specific prior written permission. |
| michael@0 | 15 | * |
| michael@0 | 16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| michael@0 | 17 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| michael@0 | 18 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| michael@0 | 19 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| michael@0 | 20 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| michael@0 | 21 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| michael@0 | 22 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| michael@0 | 23 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| michael@0 | 24 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| michael@0 | 25 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| michael@0 | 26 | */ |
| michael@0 | 27 | #include <stdint.h> |
| michael@0 | 28 | |
| michael@0 | 29 | #include <sys/param.h> |
| michael@0 | 30 | #include <sys/types.h> |
| michael@0 | 31 | #include <sys/syscall.h> |
| michael@0 | 32 | #include <sys/epoll.h> |
| michael@0 | 33 | #include <unistd.h> |
| michael@0 | 34 | #include <errno.h> |
| michael@0 | 35 | |
| michael@0 | 36 | int |
| michael@0 | 37 | epoll_create(int size) |
| michael@0 | 38 | { |
| michael@0 | 39 | #if !defined(__NR_epoll_create) && defined(__NR_epoll_create1) |
| michael@0 | 40 | if (size <= 0) { |
| michael@0 | 41 | errno = EINVAL; |
| michael@0 | 42 | return -1; |
| michael@0 | 43 | } |
| michael@0 | 44 | return (syscall(__NR_epoll_create1, 0)); |
| michael@0 | 45 | #else |
| michael@0 | 46 | return (syscall(__NR_epoll_create, size)); |
| michael@0 | 47 | #endif |
| michael@0 | 48 | } |
| michael@0 | 49 | |
| michael@0 | 50 | int |
| michael@0 | 51 | epoll_ctl(int epfd, int op, int fd, struct epoll_event *event) |
| michael@0 | 52 | { |
| michael@0 | 53 | |
| michael@0 | 54 | return (syscall(__NR_epoll_ctl, epfd, op, fd, event)); |
| michael@0 | 55 | } |
| michael@0 | 56 | |
| michael@0 | 57 | int |
| michael@0 | 58 | epoll_wait(int epfd, struct epoll_event *events, int maxevents, int timeout) |
| michael@0 | 59 | { |
| michael@0 | 60 | #if !defined(__NR_epoll_wait) && defined(__NR_epoll_pwait) |
| michael@0 | 61 | return (syscall(__NR_epoll_pwait, epfd, events, maxevents, timeout, NULL, 0)); |
| michael@0 | 62 | #else |
| michael@0 | 63 | return (syscall(__NR_epoll_wait, epfd, events, maxevents, timeout)); |
| michael@0 | 64 | #endif |
| michael@0 | 65 | } |
