Subversion Repositories HelenOS

Rev

Rev 3912 | Rev 4739 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
3666 mejdrech 1
/*
3912 mejdrech 2
 * Copyright (c) 2009 Lukas Mejdrech
3666 mejdrech 3
 * All rights reserved.
4
 *
5
 * Redistribution and use in source and binary forms, with or without
6
 * modification, are permitted provided that the following conditions
7
 * are met:
8
 *
9
 * - Redistributions of source code must retain the above copyright
10
 *   notice, this list of conditions and the following disclaimer.
11
 * - Redistributions in binary form must reproduce the above copyright
12
 *   notice, this list of conditions and the following disclaimer in the
13
 *   documentation and/or other materials provided with the distribution.
14
 * - The name of the author may not be used to endorse or promote products
15
 *   derived from this software without specific prior written permission.
16
 *
17
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
 */
28
 
29
/** @addtogroup net
3846 mejdrech 30
 *  @{
3666 mejdrech 31
 */
32
 
33
/** @file
3846 mejdrech 34
 *  Common error processing codes and routines.
3666 mejdrech 35
 */
36
 
37
#ifndef __NET_ERR_H__
38
#define __NET_ERR_H__
3846 mejdrech 39
 
3666 mejdrech 40
#include <errno.h>
41
 
4307 mejdrech 42
#ifdef CONFIG_DEBUG
43
 
44
#include <stdio.h>
45
 
46
#endif
47
 
3846 mejdrech 48
/** An actual stored error code.
49
 */
50
#define ERROR_CODE                  error_check_return_value
51
 
52
/** An error processing routines declaration.
53
 *  This has to be declared in the block where the error processing is desired.
54
 */
55
#define ERROR_DECLARE               int ERROR_CODE
56
 
3912 mejdrech 57
/** Stores the value as an error code and checks if an error occurred.
3846 mejdrech 58
 *  @param value The value to be checked. May be a function call. Input parameter.
59
 *  @returns FALSE if the value indicates success (EOK).
60
 *  @returns TRUE otherwise.
61
 */
3912 mejdrech 62
#define ERROR_OCCURRED( value )     (( ERROR_CODE = ( value )) != EOK )
3846 mejdrech 63
 
3912 mejdrech 64
/** Checks if an error occurred and immediately exits the actual function returning the error code.
3846 mejdrech 65
 *  @param value The value to be checked. May be a function call. Input parameter.
66
 */
4307 mejdrech 67
#ifdef CONFIG_DEBUG
68
 
69
#define ERROR_PROPAGATE( value )    if( ERROR_OCCURRED( value )){ printf( "error at %s:%d %d\n", __FILE__, __LINE__, ERROR_CODE ); return ERROR_CODE; }
70
 
71
#else
72
 
3912 mejdrech 73
#define ERROR_PROPAGATE( value )    if( ERROR_OCCURRED( value )) return ERROR_CODE
3666 mejdrech 74
 
75
#endif
76
 
4307 mejdrech 77
#endif
78
 
3666 mejdrech 79
/** @}
80
 */