1 | /** |
---|
2 | * @file |
---|
3 | * |
---|
4 | * @brief POSIX Spinlock Translate Core Spinlock Return Code |
---|
5 | * @ingroup POSIX_SPINLOCK |
---|
6 | */ |
---|
7 | |
---|
8 | /* |
---|
9 | * COPYRIGHT (c) 1989-2007. |
---|
10 | * On-Line Applications Research Corporation (OAR). |
---|
11 | * |
---|
12 | * The license and distribution terms for this file may be |
---|
13 | * found in the file LICENSE in this distribution or at |
---|
14 | * http://www.rtems.org/license/LICENSE. |
---|
15 | */ |
---|
16 | |
---|
17 | #if HAVE_CONFIG_H |
---|
18 | #include "config.h" |
---|
19 | #endif |
---|
20 | |
---|
21 | #include <pthread.h> |
---|
22 | #include <errno.h> |
---|
23 | |
---|
24 | #include <rtems/system.h> |
---|
25 | #include <rtems/score/corespinlock.h> |
---|
26 | #include <rtems/posix/spinlockimpl.h> |
---|
27 | |
---|
28 | static int _POSIX_Spinlock_Return_codes[CORE_SPINLOCK_STATUS_LAST + 1] = { |
---|
29 | 0, /* CORE_SPINLOCK_SUCCESSFUL */ |
---|
30 | EDEADLK, /* CORE_SPINLOCK_HOLDER_RELOCKING */ |
---|
31 | EPERM, /* CORE_SPINLOCK_NOT_HOLDER */ |
---|
32 | -1, /* CORE_SPINLOCK_TIMEOUT */ |
---|
33 | EBUSY, /* CORE_SPINLOCK_IS_BUSY */ |
---|
34 | EBUSY, /* CORE_SPINLOCK_UNAVAILABLE */ |
---|
35 | 0 /* CORE_SPINLOCK_NOT_LOCKED */ |
---|
36 | }; |
---|
37 | |
---|
38 | |
---|
39 | int _POSIX_Spinlock_Translate_core_spinlock_return_code( |
---|
40 | CORE_spinlock_Status the_spinlock_status |
---|
41 | ) |
---|
42 | { |
---|
43 | /* |
---|
44 | * Internal consistency check for bad status from SuperCore |
---|
45 | */ |
---|
46 | #if defined(RTEMS_DEBUG) |
---|
47 | if ( the_spinlock_status > CORE_SPINLOCK_STATUS_LAST ) |
---|
48 | return EINVAL; |
---|
49 | #endif |
---|
50 | return _POSIX_Spinlock_Return_codes[the_spinlock_status]; |
---|
51 | } |
---|