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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [exec/] [posix/] [src/] [mqueuetranslatereturncode.c] - Blame information for rev 173

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1 30 unneback
/*
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 *  POSIX Message Queue Error Translation
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 *
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 *
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 *  COPYRIGHT (c) 1989-1999.
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 *  On-Line Applications Research Corporation (OAR).
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 *
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 *  The license and distribution terms for this file may be
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 *  found in the file LICENSE in this distribution or at
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 *  http://www.OARcorp.com/rtems/license.html.
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 *
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 *  $Id: mqueuetranslatereturncode.c,v 1.2 2001-09-27 11:59:17 chris Exp $
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 */
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#include <pthread.h>
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#include <limits.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <mqueue.h>
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#include <rtems/system.h>
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#include <rtems/score/watchdog.h>
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#include <rtems/posix/seterr.h>
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#include <rtems/posix/mqueue.h>
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#include <rtems/posix/time.h>
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#include <rtems/score/interr.h>
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/*PAGE
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 *
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 *  _POSIX_Message_queue_Translate_core_message_queue_return_code
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 *
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 *  Input parameters:
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 *    the_message_queue_status - message_queue status code to translate
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 *
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 *  Output parameters:
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 *    rtems status code - translated POSIX status code
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 *
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 */
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int _POSIX_Message_queue_Translate_core_message_queue_return_code(
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  unsigned32 the_message_queue_status
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)
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{
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  switch ( the_message_queue_status ) {
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    case  CORE_MESSAGE_QUEUE_STATUS_SUCCESSFUL:
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      return 0;
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      /*
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       *  Bad message size
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       */
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    case  CORE_MESSAGE_QUEUE_STATUS_INVALID_SIZE:
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      return EMSGSIZE;
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      /*
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       *  Queue is full of pending messages.
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       */
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    case  CORE_MESSAGE_QUEUE_STATUS_TOO_MANY:
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      return EAGAIN;
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      /*
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       *  Out of message buffers to queue pending message
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       */
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    case CORE_MESSAGE_QUEUE_STATUS_UNSATISFIED:
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      return ENOMEM;
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      /*
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       *  No message available on receive poll
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       */
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    case CORE_MESSAGE_QUEUE_STATUS_UNSATISFIED_NOWAIT:
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      return EAGAIN;
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      /*
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       *  Queue was deleted while thread blocked on it.
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       */
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    case CORE_MESSAGE_QUEUE_STATUS_WAS_DELETED:
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      return EBADF;
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      /*
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       *  POSIX Real-Time Extensions add timeouts to send and receive.
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       */
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    case CORE_MESSAGE_QUEUE_STATUS_TIMEOUT:
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      return ETIMEDOUT;
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      /*
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       *  RTEMS POSIX API implementation does not support multiprocessing.
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       */
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    case THREAD_STATUS_PROXY_BLOCKING:
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      return ENOSYS;
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  }
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  _Internal_error_Occurred(
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    INTERNAL_ERROR_POSIX_API,
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    TRUE,
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    the_message_queue_status
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  );
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  return POSIX_BOTTOM_REACHED();
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}

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