ipc/chromium/src/third_party/libevent/evsignal-internal.h@6474c204b198 (annotated)
ipc/chromium/src/third_party/libevent/evsignal-internal.h
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /* |
| michael@0 | 2 | * Copyright 2000-2007 Niels Provos <provos@citi.umich.edu> |
| michael@0 | 3 | * Copyright 2007-2012 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 | #ifndef _EVSIGNAL_H_ |
| michael@0 | 28 | #define _EVSIGNAL_H_ |
| michael@0 | 29 | |
| michael@0 | 30 | #ifndef evutil_socket_t |
| michael@0 | 31 | #include "event2/util.h" |
| michael@0 | 32 | #endif |
| michael@0 | 33 | #include <signal.h> |
| michael@0 | 34 | |
| michael@0 | 35 | typedef void (*ev_sighandler_t)(int); |
| michael@0 | 36 | |
| michael@0 | 37 | /* Data structure for the default signal-handling implementation in signal.c |
| michael@0 | 38 | */ |
| michael@0 | 39 | struct evsig_info { |
| michael@0 | 40 | /* Event watching ev_signal_pair[1] */ |
| michael@0 | 41 | struct event ev_signal; |
| michael@0 | 42 | /* Socketpair used to send notifications from the signal handler */ |
| michael@0 | 43 | evutil_socket_t ev_signal_pair[2]; |
| michael@0 | 44 | /* True iff we've added the ev_signal event yet. */ |
| michael@0 | 45 | int ev_signal_added; |
| michael@0 | 46 | /* Count of the number of signals we're currently watching. */ |
| michael@0 | 47 | int ev_n_signals_added; |
| michael@0 | 48 | |
| michael@0 | 49 | /* Array of previous signal handler objects before Libevent started |
| michael@0 | 50 | * messing with them. Used to restore old signal handlers. */ |
| michael@0 | 51 | #ifdef _EVENT_HAVE_SIGACTION |
| michael@0 | 52 | struct sigaction **sh_old; |
| michael@0 | 53 | #else |
| michael@0 | 54 | ev_sighandler_t **sh_old; |
| michael@0 | 55 | #endif |
| michael@0 | 56 | /* Size of sh_old. */ |
| michael@0 | 57 | int sh_old_max; |
| michael@0 | 58 | }; |
| michael@0 | 59 | int evsig_init(struct event_base *); |
| michael@0 | 60 | void evsig_dealloc(struct event_base *); |
| michael@0 | 61 | |
| michael@0 | 62 | void evsig_set_base(struct event_base *base); |
| michael@0 | 63 | |
| michael@0 | 64 | #endif /* _EVSIGNAL_H_ */ |
