diff options
Diffstat (limited to 'cpukit/posix/src/pspinlocktranslatereturncode.c')
-rw-r--r-- | cpukit/posix/src/pspinlocktranslatereturncode.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/cpukit/posix/src/pspinlocktranslatereturncode.c b/cpukit/posix/src/pspinlocktranslatereturncode.c new file mode 100644 index 0000000000..fbce440010 --- /dev/null +++ b/cpukit/posix/src/pspinlocktranslatereturncode.c @@ -0,0 +1,58 @@ +/* + * Spinlock 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/score/corespinlock.h> + +/* + * _POSIX_Spinlock_Translate_core_spinlock_return_code + * + * Input parameters: + * the_spinlock_status - spinlock status code to translate + * + * Output parameters: + * status code - translated POSIX status code + * + */ + +static int _POSIX_Spinlock_Return_codes[CORE_SPINLOCK_STATUS_LAST + 1] = { + 0, /* CORE_SPINLOCK_SUCCESSFUL */ + EDEADLK, /* CORE_SPINLOCK_HOLDER_RELOCKING */ + EPERM, /* CORE_SPINLOCK_NOT_HOLDER */ + -1, /* CORE_SPINLOCK_TIMEOUT */ + EBUSY, /* CORE_SPINLOCK_IS_BUSY */ + EBUSY, /* CORE_SPINLOCK_UNAVAILABLE */ + 0 /* CORE_SPINLOCK_NOT_LOCKED */ +}; + + +int _POSIX_Spinlock_Translate_core_spinlock_return_code( + CORE_spinlock_Status the_spinlock_status +) +{ + /* + * Internal consistency check for bad status from SuperCore + */ + #if defined(RTEMS_DEBUG) + if ( the_spinlock_status > CORE_SPINLOCK_STATUS_LAST ) + return EINVAL; + #endif + return _POSIX_Spinlock_Return_codes[the_spinlock_status]; +} |