exec/aispoll.h

   1 /*
   2  * Copyright (c) 2003-2004 MontaVista Software, Inc.
   3  *
   4  * All rights reserved.
   5  *
   6  * Author: Steven Dake (sdake@mvista.com)
   7  *
   8  * This software licensed under BSD license, the text of which follows:
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions are met:
  12  *
  13  * - Redistributions of source code must retain the above copyright notice,
  14  *   this list of conditions and the following disclaimer.
  15  * - Redistributions in binary form must reproduce the above copyright notice,
  16  *   this list of conditions and the following disclaimer in the documentation
  17  *   and/or other materials provided with the distribution.
  18  * - Neither the name of the MontaVista Software, Inc. nor the names of its
  19  *   contributors may be used to endorse or promote products derived from this
  20  *   software without specific prior written permission.
  21  *
  22  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  23  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  25  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  26  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  27  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  28  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  29  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  30  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  31  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
  32  * THE POSSIBILITY OF SUCH DAMAGE.
  33  */
  34 #ifndef POLL_H_DEFINED
  35 #define POLL_H_DEFINED
  36
  37 #include <pthread.h>
  38
  39 typedef void * poll_timer_handle;
  40 typedef unsigned int poll_handle;
  41
  42 poll_handle poll_create (
  43         void (*serialize_lock) (void),
  44         void (*serialize_unlock) (void));
  45
  46 int poll_destroy (poll_handle poll_handle);
  47
  48 int poll_dispatch_add (
  49         poll_handle handle,
  50         int fd,
  51         int events,
  52         void *data,
  53
  54         int (*dispatch_fn) (poll_handle handle,
  55                 int fd,
  56                 int revents,
  57                 void *data));
  58
  59 int poll_dispatch_modify (
  60         poll_handle handle,
  61         int fd,
  62         int events,
  63
  64         int (*dispatch_fn) (poll_handle poll_handle,
  65                 int fd,
  66                 int revents,
  67                 void *data));
  68
  69
  70 int poll_dispatch_delete (
  71         poll_handle handle,
  72         int fd);
  73
  74 int poll_timer_add (
  75         poll_handle handle,
  76         int msec_in_future, void *data,
  77         void (*timer_fn) (void *data),
  78         poll_timer_handle *timer_handle_out);
  79
  80 int poll_timer_delete (
  81         poll_handle handle,
  82         poll_timer_handle timer_handle);
  83
  84 int poll_run (
  85         poll_handle handle);
  86
  87 int poll_stop (
  88         poll_handle handle);
  89
  90 #ifdef COMPILE_OUT
  91 void poll_print_state (
  92         poll_handle handle, int fd);
  93 #endif
  94
  95 #endif  /* POLL_H_DEFINED */