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Diffstat (limited to 'cpukit/rtems/src/semtranslatereturncode.c')
-rw-r--r-- | cpukit/rtems/src/semtranslatereturncode.c | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/cpukit/rtems/src/semtranslatereturncode.c b/cpukit/rtems/src/semtranslatereturncode.c new file mode 100644 index 0000000000..02b665e5f6 --- /dev/null +++ b/cpukit/rtems/src/semtranslatereturncode.c @@ -0,0 +1,137 @@ +/* + * Semaphore Manager + * + * DESCRIPTION: + * + * This package is the implementation of the Semaphore Manager. + * This manager utilizes standard Dijkstra counting semaphores to provide + * synchronization and mutual exclusion capabilities. + * + * Directives provided are: + * + * + create a semaphore + * + get an ID of a semaphore + * + delete a semaphore + * + acquire a semaphore + * + release a semaphore + * + * COPYRIGHT (c) 1989-2009. + * 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 <rtems/system.h> +#include <rtems/rtems/status.h> +#include <rtems/rtems/support.h> +#include <rtems/rtems/attr.h> +#include <rtems/score/isr.h> +#include <rtems/score/object.h> +#include <rtems/rtems/options.h> +#include <rtems/rtems/sem.h> +#include <rtems/score/coremutex.h> +#include <rtems/score/coresem.h> +#include <rtems/score/states.h> +#include <rtems/score/thread.h> +#include <rtems/score/threadq.h> +#if defined(RTEMS_MULTIPROCESSING) +#include <rtems/score/mpci.h> +#endif +#include <rtems/score/sysstate.h> + +#include <rtems/score/interr.h> + +/*PAGE + * + * _Semaphore_Translate_core_mutex_return_code + * + * Input parameters: + * status - mutex status code to translate + * + * Output parameters: + * rtems status code - translated RTEMS status code + * + */ + +const rtems_status_code _Semaphore_Translate_core_mutex_return_code_[] = { + RTEMS_SUCCESSFUL, /* CORE_MUTEX_STATUS_SUCCESSFUL */ + RTEMS_UNSATISFIED, /* CORE_MUTEX_STATUS_UNSATISFIED_NOWAIT */ +#if defined(RTEMS_POSIX_API) + RTEMS_UNSATISFIED, /* CORE_MUTEX_STATUS_NESTING_NOT_ALLOWED */ +#endif + RTEMS_NOT_OWNER_OF_RESOURCE, /* CORE_MUTEX_STATUS_NOT_OWNER_OF_RESOURCE */ + RTEMS_OBJECT_WAS_DELETED, /* CORE_MUTEX_WAS_DELETED */ + RTEMS_TIMEOUT, /* CORE_MUTEX_TIMEOUT */ +#if defined(__RTEMS_STRICT_ORDER_MUTEX__) + CORE_MUTEX_RELEASE_NOT_ORDER, +#endif + RTEMS_INVALID_PRIORITY /* CORE_MUTEX_STATUS_CEILING_VIOLATED */ +}; + +rtems_status_code _Semaphore_Translate_core_mutex_return_code ( + uint32_t status +) +{ + /* + * If this thread is blocking waiting for a result on a remote operation. + */ + #if defined(RTEMS_MULTIPROCESSING) + if ( _Thread_Is_proxy_blocking(status) ) + return RTEMS_PROXY_BLOCKING; + #endif + + /* + * Internal consistency check for bad status from SuperCore + */ + #if defined(RTEMS_DEBUG) + if ( status > CORE_MUTEX_STATUS_LAST ) + return RTEMS_INTERNAL_ERROR; + #endif + return _Semaphore_Translate_core_mutex_return_code_[status]; +} + +/*PAGE + * + * _Semaphore_Translate_core_semaphore_return_code + * + * Input parameters: + * status - semaphore status code to translate + * + * Output parameters: + * rtems status code - translated RTEMS status code + * + */ + +const rtems_status_code _Semaphore_Translate_core_semaphore_return_code_[] = { + RTEMS_SUCCESSFUL, /* CORE_SEMAPHORE_STATUS_SUCCESSFUL */ + RTEMS_UNSATISFIED, /* CORE_SEMAPHORE_STATUS_UNSATISFIED_NOWAIT */ + RTEMS_OBJECT_WAS_DELETED, /* CORE_SEMAPHORE_WAS_DELETED */ + RTEMS_TIMEOUT, /* CORE_SEMAPHORE_TIMEOUT */ + RTEMS_INTERNAL_ERROR, /* CORE_SEMAPHORE_MAXIMUM_COUNT_EXCEEDED */ +}; + +rtems_status_code _Semaphore_Translate_core_semaphore_return_code ( + uint32_t status +) +{ + #if defined(RTEMS_MULTIPROCESSING) + if ( _Thread_Is_proxy_blocking(status) ) + return RTEMS_PROXY_BLOCKING; + #endif + /* + * Internal consistency check for bad status from SuperCore + */ + #if defined(RTEMS_DEBUG) + if ( status > CORE_SEMAPHORE_STATUS_LAST ) + return RTEMS_INTERNAL_ERROR; + #endif + return _Semaphore_Translate_core_semaphore_return_code_[status]; +} |