xref: /aosp_15_r20/external/libevent/kqueue-internal.h (revision 663afb9b963571284e0f0a60f257164ab54f64bf)
1*663afb9bSAndroid Build Coastguard Worker /*
2*663afb9bSAndroid Build Coastguard Worker  * Copyright (c) 2012 Niels Provos and Nick Mathewson
3*663afb9bSAndroid Build Coastguard Worker  *
4*663afb9bSAndroid Build Coastguard Worker  * Redistribution and use in source and binary forms, with or without
5*663afb9bSAndroid Build Coastguard Worker  * modification, are permitted provided that the following conditions
6*663afb9bSAndroid Build Coastguard Worker  * are met:
7*663afb9bSAndroid Build Coastguard Worker  * 1. Redistributions of source code must retain the above copyright
8*663afb9bSAndroid Build Coastguard Worker  *    notice, this list of conditions and the following disclaimer.
9*663afb9bSAndroid Build Coastguard Worker  * 2. Redistributions in binary form must reproduce the above copyright
10*663afb9bSAndroid Build Coastguard Worker  *    notice, this list of conditions and the following disclaimer in the
11*663afb9bSAndroid Build Coastguard Worker  *    documentation and/or other materials provided with the distribution.
12*663afb9bSAndroid Build Coastguard Worker  * 3. The name of the author may not be used to endorse or promote products
13*663afb9bSAndroid Build Coastguard Worker  *    derived from this software without specific prior written permission.
14*663afb9bSAndroid Build Coastguard Worker  *
15*663afb9bSAndroid Build Coastguard Worker  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16*663afb9bSAndroid Build Coastguard Worker  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17*663afb9bSAndroid Build Coastguard Worker  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18*663afb9bSAndroid Build Coastguard Worker  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19*663afb9bSAndroid Build Coastguard Worker  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20*663afb9bSAndroid Build Coastguard Worker  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21*663afb9bSAndroid Build Coastguard Worker  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22*663afb9bSAndroid Build Coastguard Worker  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23*663afb9bSAndroid Build Coastguard Worker  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24*663afb9bSAndroid Build Coastguard Worker  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25*663afb9bSAndroid Build Coastguard Worker  */
26*663afb9bSAndroid Build Coastguard Worker #ifndef KQUEUE_INTERNAL_H_INCLUDED_
27*663afb9bSAndroid Build Coastguard Worker #define KQUEUE_INTERNAL_H_INCLUDED_
28*663afb9bSAndroid Build Coastguard Worker 
29*663afb9bSAndroid Build Coastguard Worker /** Notification function, used to tell an event base to wake up from another
30*663afb9bSAndroid Build Coastguard Worker  * thread.  Only works when event_kq_add_notify_event_() has previously been
31*663afb9bSAndroid Build Coastguard Worker  * called successfully on that base. */
32*663afb9bSAndroid Build Coastguard Worker int event_kq_notify_base_(struct event_base *base);
33*663afb9bSAndroid Build Coastguard Worker 
34*663afb9bSAndroid Build Coastguard Worker /** Prepare a kqueue-using event base to receive notifications via an internal
35*663afb9bSAndroid Build Coastguard Worker  * EVFILT_USER event.  Return 0 on sucess, -1 on failure.
36*663afb9bSAndroid Build Coastguard Worker  */
37*663afb9bSAndroid Build Coastguard Worker int event_kq_add_notify_event_(struct event_base *base);
38*663afb9bSAndroid Build Coastguard Worker 
39*663afb9bSAndroid Build Coastguard Worker #endif
40