epoll_loop.h

   1 /*****************************************************************************
   2   Copyright (c) 2006 EMC Corporation.
   3
   4   This program is free software; you can redistribute it and/or modify it
   5   under the terms of the GNU General Public License as published by the Free
   6   Software Foundation; either version 2 of the License, or (at your option)
   7   any later version.
   8
   9   This program is distributed in the hope that it will be useful, but WITHOUT
  10   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  12   more details.
  13
  14   You should have received a copy of the GNU General Public License along with
  15   this program; if not, write to the Free Software Foundation, Inc., 59
  16   Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  17
  18   The full GNU General Public License is included in this distribution in the
  19   file called LICENSE.
  20
  21   Authors: Srinivas Aji <Aji_Srinivas@emc.com>
  22
  23 ******************************************************************************/
  24
  25 #ifndef EPOLL_LOOP_H
  26 #define EPOLL_LOOP_H
  27
  28 #include <sys/epoll.h>
  29 #include <errno.h>
  30 #include <sys/time.h>
  31 #include <time.h>
  32
  33 struct epoll_event_handler {
  34         int fd;
  35         void *arg;
  36         void (*handler) (uint32_t events, struct epoll_event_handler * p);
  37         struct epoll_event *ref_ev;     /* if set, epoll loop has reference to this,
  38                                            so mark that ref as NULL while freeing */
  39 };
  40
  41 int init_epoll(void);
  42
  43 void clear_epoll(void);
  44
  45 int epoll_main_loop(void);
  46
  47 int add_epoll(struct epoll_event_handler *h);
  48
  49 int remove_epoll(struct epoll_event_handler *h);
  50
  51 #endif