summaryrefslogtreecommitdiffstats
path: root/c/src/exec/posix/src/mqueuetranslatereturncode.c
blob: e5cf26ac95c77654db09b5dfb00a8a96ab6b5369 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
/*
 *  POSIX Message Queue Error Translation 
 *
 *
 *  COPYRIGHT (c) 1989-1999.
 *  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.OARcorp.com/rtems/license.html.
 *
 *  $Id$
 */

#include <pthread.h>
#include <limits.h>
#include <errno.h>
#include <fcntl.h>
#include <mqueue.h>

#include <rtems/system.h>
#include <rtems/score/watchdog.h>
#include <rtems/seterr.h>
#include <rtems/posix/mqueue.h>
#include <rtems/posix/time.h>
#include <rtems/score/interr.h>


/*PAGE
 *
 *  _POSIX_Message_queue_Translate_core_message_queue_return_code
 *
 *  Input parameters:
 *    the_message_queue_status - message_queue status code to translate
 *
 *  Output parameters:
 *    rtems status code - translated POSIX status code
 *
 */
 
int _POSIX_Message_queue_Translate_core_message_queue_return_code(
  unsigned32 the_message_queue_status
)
{
  switch ( the_message_queue_status ) {
    case  CORE_MESSAGE_QUEUE_STATUS_SUCCESSFUL:
      return 0;

      /*
       *  Bad message size
       */
    case  CORE_MESSAGE_QUEUE_STATUS_INVALID_SIZE:
      return EMSGSIZE;

      /*
       *  Queue is full of pending messages.
       */
    case  CORE_MESSAGE_QUEUE_STATUS_TOO_MANY:
      return EAGAIN;

      /*
       *  Out of message buffers to queue pending message
       */
    case CORE_MESSAGE_QUEUE_STATUS_UNSATISFIED:
      return ENOMEM;

      /*
       *  No message available on receive poll
       */
    case CORE_MESSAGE_QUEUE_STATUS_UNSATISFIED_NOWAIT:
      return EAGAIN;

      /*
       *  Queue was deleted while thread blocked on it.
       */
    case CORE_MESSAGE_QUEUE_STATUS_WAS_DELETED:
      return EBADF;

      /*
       *  POSIX Real-Time Extensions add timeouts to send and receive. 
       */
    case CORE_MESSAGE_QUEUE_STATUS_TIMEOUT:
      return ETIMEDOUT;

      /*
       *  RTEMS POSIX API implementation does not support multiprocessing.
       */
    case THREAD_STATUS_PROXY_BLOCKING:
      return ENOSYS;
  }
  _Internal_error_Occurred(
    INTERNAL_ERROR_POSIX_API,
    TRUE,
    the_message_queue_status
  );
  return POSIX_BOTTOM_REACHED();
}