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files >> //proc/self/root/usr/include/event2/event_struct.h
/* * Copyright (c) 2000-2007 Niels Provos <provos@citi.umich.edu> * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef EVENT2_EVENT_STRUCT_H_INCLUDED_ #define EVENT2_EVENT_STRUCT_H_INCLUDED_ /** @file event2/event_struct.h Structures used by event.h. Using these structures directly WILL harm forward compatibility: be careful. No field declared in this file should be used directly in user code. Except for historical reasons, these fields would not be exposed at all. */ #ifdef __cplusplus extern "C" { #endif #include <event2/event-config.h> #ifdef EVENT__HAVE_SYS_TYPES_H #include <sys/types.h> #endif #ifdef EVENT__HAVE_SYS_TIME_H #include <sys/time.h> #endif /* For int types. */ #include <event2/util.h> /* For evkeyvalq */ #include <event2/keyvalq_struct.h> #define EVLIST_TIMEOUT 0x01 #define EVLIST_INSERTED 0x02 #define EVLIST_SIGNAL 0x04 #define EVLIST_ACTIVE 0x08 #define EVLIST_INTERNAL 0x10 #define EVLIST_ACTIVE_LATER 0x20 #define EVLIST_FINALIZING 0x40 #define EVLIST_INIT 0x80 #define EVLIST_ALL 0xff /* Fix so that people don't have to run with <sys/queue.h> */ #ifndef TAILQ_ENTRY #define EVENT_DEFINED_TQENTRY_ #define TAILQ_ENTRY(type) \ struct { \ struct type *tqe_next; /* next element */ \ struct type **tqe_prev; /* address of previous next element */ \ } #endif /* !TAILQ_ENTRY */ #ifndef TAILQ_HEAD #define EVENT_DEFINED_TQHEAD_ #define TAILQ_HEAD(name, type) \ struct name { \ struct type *tqh_first; \ struct type **tqh_last; \ } #endif /* Fix so that people don't have to run with <sys/queue.h> */ #ifndef LIST_ENTRY #define EVENT_DEFINED_LISTENTRY_ #define LIST_ENTRY(type) \ struct { \ struct type *le_next; /* next element */ \ struct type **le_prev; /* address of previous next element */ \ } #endif /* !LIST_ENTRY */ #ifndef LIST_HEAD #define EVENT_DEFINED_LISTHEAD_ #define LIST_HEAD(name, type) \ struct name { \ struct type *lh_first; /* first element */ \ } #endif /* !LIST_HEAD */ struct event; struct event_callback { TAILQ_ENTRY(event_callback) evcb_active_next; short evcb_flags; ev_uint8_t evcb_pri; /* smaller numbers are higher priority */ ev_uint8_t evcb_closure; /* allows us to adopt for different types of events */ union { void (*evcb_callback)(evutil_socket_t, short, void *); void (*evcb_selfcb)(struct event_callback *, void *); void (*evcb_evfinalize)(struct event *, void *); void (*evcb_cbfinalize)(struct event_callback *, void *); } evcb_cb_union; void *evcb_arg; }; struct event_base; struct event { struct event_callback ev_evcallback; /* for managing timeouts */ union { TAILQ_ENTRY(event) ev_next_with_common_timeout; int min_heap_idx; } ev_timeout_pos; evutil_socket_t ev_fd; struct event_base *ev_base; union { /* used for io events */ struct { LIST_ENTRY (event) ev_io_next; struct timeval ev_timeout; } ev_io; /* used by signal events */ struct { LIST_ENTRY (event) ev_signal_next; short ev_ncalls; /* Allows deletes in callback */ short *ev_pncalls; } ev_signal; } ev_; short ev_events; short ev_res; /* result passed to event callback */ struct timeval ev_timeout; }; TAILQ_HEAD (event_list, event); #ifdef EVENT_DEFINED_TQENTRY_ #undef TAILQ_ENTRY #endif #ifdef EVENT_DEFINED_TQHEAD_ #undef TAILQ_HEAD #endif LIST_HEAD (event_dlist, event); #ifdef EVENT_DEFINED_LISTENTRY_ #undef LIST_ENTRY #endif #ifdef EVENT_DEFINED_LISTHEAD_ #undef LIST_HEAD #endif #ifdef __cplusplus } #endif #endif /* EVENT2_EVENT_STRUCT_H_INCLUDED_ */
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