diff options
Diffstat (limited to 'cpukit/posix/src/prwlocktranslatereturncode.c')
-rw-r--r-- | cpukit/posix/src/prwlocktranslatereturncode.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/cpukit/posix/src/prwlocktranslatereturncode.c b/cpukit/posix/src/prwlocktranslatereturncode.c new file mode 100644 index 0000000000..3378d577b2 --- /dev/null +++ b/cpukit/posix/src/prwlocktranslatereturncode.c @@ -0,0 +1,55 @@ +/* + * RWLock Manager -- Translate SuperCore Status + * + * 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/posix/rwlock.h> + +/* + * _POSIX_RWLock_Translate_core_rwlock_return_code + * + * Input parameters: + * the_rwlock_status - rwlock status code to translate + * + * Output parameters: + * status code - translated POSIX status code + * + */ + +static int _POSIX_RWLock_Return_codes[CORE_RWLOCK_STATUS_LAST + 1] = { + 0, /* CORE_RWLOCK_SUCCESSFUL */ + EINVAL, /* CORE_RWLOCK_DELETED */ + EBUSY, /* CORE_RWLOCK_UNAVAILABLE */ + ETIMEDOUT, /* CORE_RWLOCK_TIMEOUT */ +}; + + +int _POSIX_RWLock_Translate_core_RWLock_return_code( + CORE_RWLock_Status the_rwlock_status +) +{ + /* + * Internal consistency check for bad status from SuperCore + */ + #if defined(RTEMS_DEBUG) + if ( the_rwlock_status > CORE_RWLOCK_STATUS_LAST ) + return EINVAL; + #endif + return _POSIX_RWLock_Return_codes[the_rwlock_status]; +} |