4.115
Last change
on this file since 64939bc was
c499856,
checked in by Chris Johns <chrisj@…>, on 03/20/14 at 21:10:47
|
Change all references of rtems.com to rtems.org.
|
-
Property mode set to
100644
|
File size:
1.4 KB
|
Line | |
---|
1 | /** |
---|
2 | * @file rtems/seterr.h |
---|
3 | * |
---|
4 | * @brief Data which Ease the Burden of Consistently Setting Errno |
---|
5 | * |
---|
6 | * This file contains macros and definitions which ease the burden |
---|
7 | * of consistently setting errno and returning -1. |
---|
8 | */ |
---|
9 | |
---|
10 | /* |
---|
11 | * COPYRIGHT (c) 1989-2006. |
---|
12 | * On-Line Applications Research Corporation (OAR). |
---|
13 | * |
---|
14 | * The license and distribution terms for this file may be |
---|
15 | * found in the file LICENSE in this distribution or at |
---|
16 | * http://www.rtems.org/license/LICENSE. |
---|
17 | */ |
---|
18 | |
---|
19 | #ifndef _RTEMS_SETERR_H |
---|
20 | #define _RTEMS_SETERR_H |
---|
21 | |
---|
22 | /** |
---|
23 | * @defgroup ScoreSetErr Set Errno |
---|
24 | * |
---|
25 | * @ingroup Score |
---|
26 | * |
---|
27 | */ |
---|
28 | /**@{*/ |
---|
29 | |
---|
30 | #include <errno.h> |
---|
31 | |
---|
32 | /** |
---|
33 | * This is a helper macro which will set the variable errno and return |
---|
34 | * -1 to the caller. This pattern is common to many POSIX methods. |
---|
35 | * |
---|
36 | * @param[in] _error is the error code |
---|
37 | */ |
---|
38 | #define rtems_set_errno_and_return_minus_one( _error ) \ |
---|
39 | do { errno = (_error); return -1; } while(0) |
---|
40 | |
---|
41 | /** |
---|
42 | * This is a helper macro which will set the variable errno and return |
---|
43 | * -1 to the caller. This pattern is common to many POSIX methods. |
---|
44 | * |
---|
45 | * @param[in] _error is the error code |
---|
46 | * @param[in] _cast is the type to which -1 must be cast |
---|
47 | * |
---|
48 | * @note It is similar to @ref rtems_set_errno_and_return_minus_one but |
---|
49 | * this -1 value is cast to something other than an int. |
---|
50 | */ |
---|
51 | #define rtems_set_errno_and_return_minus_one_cast( _error, _cast ) \ |
---|
52 | do { errno = (_error); return (_cast) -1; } while(0) |
---|
53 | |
---|
54 | /**@}*/ |
---|
55 | #endif |
---|
56 | /* end of include file */ |
---|
Note: See
TracBrowser
for help on using the repository browser.