118 lines
3.5 KiB
C
118 lines
3.5 KiB
C
/*
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* wepoll - epoll for Windows
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* Copyright 2012-2017, Bert Belder. All rights reserved.
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*
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* The red-black tree implementation:
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* Copyright 2002 Niels Provos <provos@citi.umich.edu> All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef WEPOLL_H_
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#define WEPOLL_H_
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#ifndef WEPOLL_EXPORT
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#define WEPOLL_EXPORT
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#endif
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#include <stdint.h>
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/* clang-format off */
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enum EPOLL_EVENTS {
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EPOLLIN = 1 << 0,
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EPOLLPRI = 1 << 1,
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EPOLLOUT = 1 << 2,
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EPOLLERR = 1 << 3,
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EPOLLHUP = 1 << 4,
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EPOLLRDNORM = 1 << 6,
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EPOLLRDBAND = 1 << 7,
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EPOLLWRNORM = 1 << 8,
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EPOLLWRBAND = 1 << 9,
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EPOLLMSG = 1 << 10, /* Never reported. */
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EPOLLRDHUP = 1 << 13,
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EPOLLONESHOT = 1 << 31
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};
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#define EPOLLIN ((uint32_t) EPOLLIN)
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#define EPOLLPRI ((uint32_t) EPOLLPRI)
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#define EPOLLOUT ((uint32_t) EPOLLOUT)
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#define EPOLLERR ((uint32_t) EPOLLERR)
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#define EPOLLHUP ((uint32_t) EPOLLHUP)
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#define EPOLLRDNORM ((uint32_t) EPOLLRDNORM)
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#define EPOLLRDBAND ((uint32_t) EPOLLRDBAND)
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#define EPOLLWRNORM ((uint32_t) EPOLLWRNORM)
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#define EPOLLWRBAND ((uint32_t) EPOLLWRBAND)
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#define EPOLLMSG ((uint32_t) EPOLLMSG)
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#define EPOLLRDHUP ((uint32_t) EPOLLRDHUP)
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#define EPOLLONESHOT ((uint32_t) EPOLLONESHOT)
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#define EPOLL_CTL_ADD 1
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#define EPOLL_CTL_MOD 2
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#define EPOLL_CTL_DEL 3
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/* clang-format on */
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typedef void* HANDLE;
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typedef uintptr_t SOCKET;
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typedef union epoll_data {
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void* ptr;
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int fd;
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uint32_t u32;
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uint64_t u64;
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SOCKET sock; /* Windows specific */
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HANDLE hnd; /* Windows specific */
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} epoll_data_t;
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struct epoll_event {
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uint32_t events; /* Epoll events */
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epoll_data_t data; /* User data variable */
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};
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#ifdef __cplusplus
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extern "C" {
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#endif
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WEPOLL_EXPORT HANDLE epoll_create(int size);
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WEPOLL_EXPORT HANDLE epoll_create1(int flags);
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WEPOLL_EXPORT int epoll_close(HANDLE ephnd);
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WEPOLL_EXPORT int epoll_ctl(HANDLE ephnd,
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int op,
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SOCKET sock,
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struct epoll_event* event);
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WEPOLL_EXPORT int epoll_wait(HANDLE ephnd,
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struct epoll_event* events,
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int maxevents,
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int timeout);
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /* WEPOLL_H_ */
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