blob: 9961470f501019f4a4e9e7a26b041a0aae320eb1 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
/*
* POSIX Semaphore Error Translation
*
* COPYRIGHT (c) 1989-2007.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*
* $Id$
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <pthread.h>
#include <errno.h>
#include <rtems/system.h>
#include <rtems/score/coresem.h>
/*
* _POSIX_Semaphore_Translate_core_semaphore_return_code
*
* Input parameters:
* the_semaphore_status - semaphore status code to translate
*
* Output parameters:
* status code - translated POSIX status code
*
*/
static int _POSIX_Semaphore_Return_codes[CORE_SEMAPHORE_STATUS_LAST + 1] = {
0, /* CORE_SEMAPHORE_STATUS_SUCCESSFUL */
EAGAIN, /* CORE_SEMAPHORE_STATUS_UNSATISFIED_NOWAIT */
EAGAIN, /* CORE_SEMAPHORE_WAS_DELETED */
ETIMEDOUT, /* CORE_SEMAPHORE_TIMEOUT */
/* The next error can not occur since we set the maximum
* count to the largest value the count can hold.
*/
ENOSYS, /* CORE_SEMAPHORE_MAXIMUM_COUNT_EXCEEDED */
EINVAL /* CORE_SEMAPHORE_BAD_TIMEOUT_VALUE */
};
int _POSIX_Semaphore_Translate_core_semaphore_return_code(
CORE_semaphore_Status the_semaphore_status
)
{
/*
* Internal consistency check for bad status from SuperCore
*/
#if defined(RTEMS_DEBUG)
if ( the_semaphore_status > CORE_SEMAPHORE_STATUS_LAST )
return EINVAL;
#endif
return _POSIX_Semaphore_Return_codes[the_semaphore_status];
}
|
