cffi-posix/cffi-epoll/grovel-epoll.lisp

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• Hash : 9dea6016
  Author : Thomas de Grivel
  Date : 2017-06-28T02:38:30
  

  move struct and union definitions to grovel-epoll
  

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• grovel-epoll.lisp

• ;;
  ;;  cffi-epoll  -  Common Lisp wrapper for Linux epoll syscall
  ;;
  ;;  Copyright 2017 Thomas de Grivel <thoxdg@gmail.com>
  ;;
  ;;  Permission to use, copy, modify, and distribute this software for any
  ;;  purpose with or without fee is hereby granted, provided that the above
  ;;  copyright notice and this permission notice appear in all copies.
  ;;
  ;;  THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  ;;  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  ;;  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  ;;  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  ;;  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  ;;  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  ;;  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  ;;
  
  (in-package :cffi-epoll)
  
  (include "sys/epoll.h")
  
  (ctype uint32-t "uint32_t")
  (ctype uint64-t "uint64_t")
  
  (constant (+ctl-add+ "EPOLL_CTL_ADD"))
  (constant (+ctl-mod+ "EPOLL_CTL_MOD"))
  (constant (+ctl-del+ "EPOLL_CTL_DEL"))
  
  (constant (+in+        "EPOLLIN"))
  (constant (+out+       "EPOLLOUT"))
  (constant (+rdhup+     "EPOLLRDHUP"))
  (constant (+pri+       "EPOLLPRI"))
  (constant (+err+       "EPOLLERR"))
  (constant (+hup+       "EPOLLHUP"))
  (constant (+et+        "EPOLLET"))
  (constant (+exclusive+ "EPOLLEXCLUSIVE"))
  
  (cunion epoll-data "union epoll_data"
    (ptr "ptr" :type :pointer)
    (fd "fd" :type :int)
    (u32 "u32" :type uint32-t)
    (u64 "u64" :type uint64-t))
  
  (cstruct epoll-event "struct epoll_event"
    (events "events" :type uint32-t)
    (data "data" :type (:union epoll-data)))
  

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