mirror of
https://github.com/libevent/libevent.git
synced 2025-01-09 00:56:20 +08:00
1120f04f3e
Replace all fds on non-unix-specific APIs with evutil_socket_t, which is int on unix and intptr_t on win32. svn:r552
138 lines
4.3 KiB
C
138 lines
4.3 KiB
C
/*
|
|
* 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 <event-config.h>
|
|
#ifdef _EVENT_HAVE_SYS_TIME_H
|
|
#include <sys/time.h>
|
|
#endif
|
|
|
|
#ifdef _EVENT_HAVE_STDINT_H
|
|
#include <stdint.h>
|
|
#define ev_uint64_t uint64_t
|
|
#define ev_uint32_t uint32_t
|
|
#define ev_uint16_t uint16_t
|
|
#define ev_uint8_t uint8_t
|
|
#elif defined(WIN32)
|
|
#define ev_uint64_t __uint64_t
|
|
#define ev_uint32_t unsigned int
|
|
#define ev_uint16_t unsigned short
|
|
#define ev_uint8_t unsigned char
|
|
#endif
|
|
|
|
#ifdef WIN32
|
|
/** Type to hold the output of "socket()" or "accept()". On Windows, this is
|
|
* an intptr_t; elsewhere, it is an int. */
|
|
#define evutil_socket_t intptr_t
|
|
#else
|
|
#define evutil_socket_t int
|
|
#endif
|
|
|
|
int evutil_socketpair(int d, int type, int protocol, evutil_socket_t sv[2]);
|
|
int evutil_make_socket_nonblocking(evutil_socket_t sock);
|
|
#ifdef WIN32
|
|
#define EVUTIL_CLOSESOCKET(s) closesocket(s)
|
|
#else
|
|
#define EVUTIL_CLOSESOCKET(s) close(s)
|
|
#endif
|
|
|
|
#ifdef WIN32
|
|
#define EVUTIL_SOCKET_ERROR() WSAGetLastError()
|
|
#define EVUTIL_SET_SOCKET_ERROR(errcode) \
|
|
do { WSASetLastError(errcode); } while (0)
|
|
#else
|
|
#define EVUTIL_SOCKET_ERROR() (errno)
|
|
#define EVUTIL_SET_SOCKET_ERROR(errcode) \
|
|
do { errno = (errcode); } while (0)
|
|
#endif
|
|
|
|
/*
|
|
* Manipulation functions for struct timeval
|
|
*/
|
|
#ifdef _EVENT_HAVE_TIMERADD
|
|
#define evutil_timeradd(tvp, uvp, vvp) timeradd((tvp), (uvp), (vvp))
|
|
#define evutil_timersub(tvp, uvp, vvp) timersub((tvp), (uvp), (vvp))
|
|
#else
|
|
#define evutil_timeradd(tvp, uvp, vvp) \
|
|
do { \
|
|
(vvp)->tv_sec = (tvp)->tv_sec + (uvp)->tv_sec; \
|
|
(vvp)->tv_usec = (tvp)->tv_usec + (uvp)->tv_usec; \
|
|
if ((vvp)->tv_usec >= 1000000) { \
|
|
(vvp)->tv_sec++; \
|
|
(vvp)->tv_usec -= 1000000; \
|
|
} \
|
|
} while (0)
|
|
#define evutil_timersub(tvp, uvp, vvp) \
|
|
do { \
|
|
(vvp)->tv_sec = (tvp)->tv_sec - (uvp)->tv_sec; \
|
|
(vvp)->tv_usec = (tvp)->tv_usec - (uvp)->tv_usec; \
|
|
if ((vvp)->tv_usec < 0) { \
|
|
(vvp)->tv_sec--; \
|
|
(vvp)->tv_usec += 1000000; \
|
|
} \
|
|
} while (0)
|
|
#endif /* !_EVENT_HAVE_HAVE_TIMERADD */
|
|
|
|
#ifdef _EVENT_HAVE_TIMERCLEAR
|
|
#define evutil_timerclear(tvp) timerclear(tvp)
|
|
#else
|
|
#define evutil_timerclear(tvp) (tvp)->tv_sec = (tvp)->tv_usec = 0
|
|
#endif
|
|
|
|
#ifdef _EVENT_HAVE_TIMERCMP
|
|
#define evutil_timercmp(tvp, uvp, cmp) timercmp((tvp), (uvp), cmp)
|
|
#else
|
|
#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))
|
|
#endif
|
|
|
|
#ifdef _EVENT_HAVE_TIMERISSET
|
|
#define evutil_timerisset(tvp) timerisset(tvp)
|
|
#else
|
|
#define evutil_timerisset(tvp) ((tvp)->tv_sec || (tvp)->tv_usec)
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* _EVUTIL_H_ */
|