diff options
Diffstat (limited to 'libevent-2.0.20-stable/include/event2/event_struct.h')
| -rw-r--r-- | libevent-2.0.20-stable/include/event2/event_struct.h | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/libevent-2.0.20-stable/include/event2/event_struct.h b/libevent-2.0.20-stable/include/event2/event_struct.h new file mode 100644 index 0000000..2ed4272 --- /dev/null +++ b/libevent-2.0.20-stable/include/event2/event_struct.h @@ -0,0 +1,141 @@ +/* + * 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_ +#define _EVENT2_EVENT_STRUCT_H_ + +/** @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_INIT 0x80 + +/* EVLIST_X_ Private space: 0x1000-0xf000 */ +#define EVLIST_ALL (0xf000 | 0x9f) + +/* 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 + +struct event_base; +struct event { + TAILQ_ENTRY(event) ev_active_next; + TAILQ_ENTRY(event) ev_next; + /* 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 { + TAILQ_ENTRY(event) ev_io_next; + struct timeval ev_timeout; + } ev_io; + + /* used by signal events */ + struct { + TAILQ_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 */ + short ev_flags; + ev_uint8_t ev_pri; /* smaller numbers are higher priority */ + ev_uint8_t ev_closure; + struct timeval ev_timeout; + + /* allows us to adopt for different types of events */ + void (*ev_callback)(evutil_socket_t, short, void *arg); + void *ev_arg; +}; + +TAILQ_HEAD (event_list, event); + +#ifdef _EVENT_DEFINED_TQENTRY +#undef TAILQ_ENTRY +#endif + +#ifdef _EVENT_DEFINED_TQHEAD +#undef TAILQ_HEAD +#endif + +#ifdef __cplusplus +} +#endif + +#endif /* _EVENT2_EVENT_STRUCT_H_ */ |