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comparison: ipc/chromium/src/third_party/libevent/evsignal-internal.h
ipc/chromium/src/third_party/libevent/evsignal-internal.h
- branch
- TOR_BUG_3246
- changeset 6
- 8bccb770b82d
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| -1:000000000000 | 0:8bb61cf0fd48 |
|---|---|
| 1 /* | |
| 2 * Copyright 2000-2007 Niels Provos <provos@citi.umich.edu> | |
| 3 * Copyright 2007-2012 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 #ifndef _EVSIGNAL_H_ | |
| 28 #define _EVSIGNAL_H_ | |
| 29 | |
| 30 #ifndef evutil_socket_t | |
| 31 #include "event2/util.h" | |
| 32 #endif | |
| 33 #include <signal.h> | |
| 34 | |
| 35 typedef void (*ev_sighandler_t)(int); | |
| 36 | |
| 37 /* Data structure for the default signal-handling implementation in signal.c | |
| 38 */ | |
| 39 struct evsig_info { | |
| 40 /* Event watching ev_signal_pair[1] */ | |
| 41 struct event ev_signal; | |
| 42 /* Socketpair used to send notifications from the signal handler */ | |
| 43 evutil_socket_t ev_signal_pair[2]; | |
| 44 /* True iff we've added the ev_signal event yet. */ | |
| 45 int ev_signal_added; | |
| 46 /* Count of the number of signals we're currently watching. */ | |
| 47 int ev_n_signals_added; | |
| 48 | |
| 49 /* Array of previous signal handler objects before Libevent started | |
| 50 * messing with them. Used to restore old signal handlers. */ | |
| 51 #ifdef _EVENT_HAVE_SIGACTION | |
| 52 struct sigaction **sh_old; | |
| 53 #else | |
| 54 ev_sighandler_t **sh_old; | |
| 55 #endif | |
| 56 /* Size of sh_old. */ | |
| 57 int sh_old_max; | |
| 58 }; | |
| 59 int evsig_init(struct event_base *); | |
| 60 void evsig_dealloc(struct event_base *); | |
| 61 | |
| 62 void evsig_set_base(struct event_base *base); | |
| 63 | |
| 64 #endif /* _EVSIGNAL_H_ */ |
