NetBSD/lib/libevent/evutil.h

87 lines
2.8 KiB
C

/* $NetBSD: evutil.h,v 1.1 2008/05/16 20:24:58 peter Exp $ */
/*
* Copyright (c) 2007 Niels Provos <provos@citi.umich.edu>
* All rights reserved.
*
* 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 _EVUTIL_H_
#define _EVUTIL_H_
/** @file evutil.h
Common convenience functions for cross-platform portability and
related socket manipulations.
*/
#ifdef __cplusplus
extern "C" {
#endif
#include <sys/types.h>
#include <sys/time.h>
#include <stdint.h>
#define ev_uint64_t uint64_t
#define ev_int64_t int64_t
#define ev_uint32_t uint32_t
#define ev_uint16_t uint16_t
#define ev_uint8_t uint8_t
int evutil_socketpair(int d, int type, int protocol, int sv[2]);
int evutil_make_socket_nonblocking(int sock);
#define EVUTIL_CLOSESOCKET(s) close(s)
#define EVUTIL_SOCKET_ERROR() (errno)
#define EVUTIL_SET_SOCKET_ERROR(errcode) \
do { errno = (errcode); } while (0)
/*
* Manipulation functions for struct timeval
*/
#define evutil_timeradd(tvp, uvp, vvp) timeradd((tvp), (uvp), (vvp))
#define evutil_timersub(tvp, uvp, vvp) timersub((tvp), (uvp), (vvp))
#define evutil_timerclear(tvp) timerclear(tvp)
#define evutil_timercmp(tvp, uvp, cmp) \
(((tvp)->tv_sec == (uvp)->tv_sec) ? \
((tvp)->tv_usec cmp (uvp)->tv_usec) : \
((tvp)->tv_sec cmp (uvp)->tv_sec))
#define evutil_timerisset(tvp) timerisset(tvp)
/* big-int related functions */
ev_int64_t evutil_strtoll(const char *s, char **endptr, int base);
#define evutil_gettimeofday(tv, tz) gettimeofday((tv), (tz))
#ifdef __cplusplus
}
#endif
#endif /* _EVUTIL_H_ */