1*2b15cb3dSCy Schubert /* 2*2b15cb3dSCy Schubert * Copyright (c) 2009-2012 Niels Provos and Nick Mathewson 3*2b15cb3dSCy Schubert * 4*2b15cb3dSCy Schubert * Redistribution and use in source and binary forms, with or without 5*2b15cb3dSCy Schubert * modification, are permitted provided that the following conditions 6*2b15cb3dSCy Schubert * are met: 7*2b15cb3dSCy Schubert * 1. Redistributions of source code must retain the above copyright 8*2b15cb3dSCy Schubert * notice, this list of conditions and the following disclaimer. 9*2b15cb3dSCy Schubert * 2. Redistributions in binary form must reproduce the above copyright 10*2b15cb3dSCy Schubert * notice, this list of conditions and the following disclaimer in the 11*2b15cb3dSCy Schubert * documentation and/or other materials provided with the distribution. 12*2b15cb3dSCy Schubert * 3. The name of the author may not be used to endorse or promote products 13*2b15cb3dSCy Schubert * derived from this software without specific prior written permission. 14*2b15cb3dSCy Schubert * 15*2b15cb3dSCy Schubert * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16*2b15cb3dSCy Schubert * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17*2b15cb3dSCy Schubert * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18*2b15cb3dSCy Schubert * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19*2b15cb3dSCy Schubert * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20*2b15cb3dSCy Schubert * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21*2b15cb3dSCy Schubert * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22*2b15cb3dSCy Schubert * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23*2b15cb3dSCy Schubert * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24*2b15cb3dSCy Schubert * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25*2b15cb3dSCy Schubert */ 26*2b15cb3dSCy Schubert #ifndef DEFER_INTERNAL_H_INCLUDED_ 27*2b15cb3dSCy Schubert #define DEFER_INTERNAL_H_INCLUDED_ 28*2b15cb3dSCy Schubert 29*2b15cb3dSCy Schubert #ifdef __cplusplus 30*2b15cb3dSCy Schubert extern "C" { 31*2b15cb3dSCy Schubert #endif 32*2b15cb3dSCy Schubert 33*2b15cb3dSCy Schubert #include "event2/event-config.h" 34*2b15cb3dSCy Schubert #include "evconfig-private.h" 35*2b15cb3dSCy Schubert 36*2b15cb3dSCy Schubert #include <sys/queue.h> 37*2b15cb3dSCy Schubert 38*2b15cb3dSCy Schubert struct event_callback; 39*2b15cb3dSCy Schubert typedef void (*deferred_cb_fn)(struct event_callback *, void *); 40*2b15cb3dSCy Schubert 41*2b15cb3dSCy Schubert /** 42*2b15cb3dSCy Schubert Initialize an empty, non-pending event_callback. 43*2b15cb3dSCy Schubert 44*2b15cb3dSCy Schubert @param deferred The struct event_callback structure to initialize. 45*2b15cb3dSCy Schubert @param priority The priority that the callback should run at. 46*2b15cb3dSCy Schubert @param cb The function to run when the struct event_callback executes. 47*2b15cb3dSCy Schubert @param arg The function's second argument. 48*2b15cb3dSCy Schubert */ 49*2b15cb3dSCy Schubert void event_deferred_cb_init_(struct event_callback *, ev_uint8_t, deferred_cb_fn, void *); 50*2b15cb3dSCy Schubert /** 51*2b15cb3dSCy Schubert Change the priority of a non-pending event_callback. 52*2b15cb3dSCy Schubert */ 53*2b15cb3dSCy Schubert void event_deferred_cb_set_priority_(struct event_callback *, ev_uint8_t); 54*2b15cb3dSCy Schubert /** 55*2b15cb3dSCy Schubert Cancel a struct event_callback if it is currently scheduled in an event_base. 56*2b15cb3dSCy Schubert */ 57*2b15cb3dSCy Schubert void event_deferred_cb_cancel_(struct event_base *, struct event_callback *); 58*2b15cb3dSCy Schubert /** 59*2b15cb3dSCy Schubert Activate a struct event_callback if it is not currently scheduled in an event_base. 60*2b15cb3dSCy Schubert 61*2b15cb3dSCy Schubert Return true iff it was not previously scheduled. 62*2b15cb3dSCy Schubert */ 63*2b15cb3dSCy Schubert int event_deferred_cb_schedule_(struct event_base *, struct event_callback *); 64*2b15cb3dSCy Schubert 65*2b15cb3dSCy Schubert #ifdef __cplusplus 66*2b15cb3dSCy Schubert } 67*2b15cb3dSCy Schubert #endif 68*2b15cb3dSCy Schubert 69*2b15cb3dSCy Schubert #endif /* EVENT_INTERNAL_H_INCLUDED_ */ 70*2b15cb3dSCy Schubert 71