1 | /* |
---|
2 | * NOTE: The structure of the routines is identical to that of POSIX |
---|
3 | * Message_queues to leave the option of having unnamed message |
---|
4 | * queues at a future date. They are currently not part of the |
---|
5 | * POSIX standard but unnamed message_queues are. This is also |
---|
6 | * the reason for the apparently unnecessary tracking of |
---|
7 | * the process_shared attribute. [In addition to the fact that |
---|
8 | * it would be trivial to add pshared to the mq_attr structure |
---|
9 | * and have process private message queues.] |
---|
10 | * |
---|
11 | * This code ignores the O_RDONLY/O_WRONLY/O_RDWR flag at open |
---|
12 | * time. |
---|
13 | * |
---|
14 | * $Id$ |
---|
15 | */ |
---|
16 | |
---|
17 | #if HAVE_CONFIG_H |
---|
18 | #include "config.h" |
---|
19 | #endif |
---|
20 | |
---|
21 | #include <stdarg.h> |
---|
22 | |
---|
23 | #include <pthread.h> |
---|
24 | #include <limits.h> |
---|
25 | #include <errno.h> |
---|
26 | #include <fcntl.h> |
---|
27 | #include <mqueue.h> |
---|
28 | |
---|
29 | #include <rtems/system.h> |
---|
30 | #include <rtems/score/watchdog.h> |
---|
31 | #include <rtems/seterr.h> |
---|
32 | #include <rtems/posix/mqueue.h> |
---|
33 | #include <rtems/posix/time.h> |
---|
34 | |
---|
35 | /*PAGE |
---|
36 | * |
---|
37 | * _POSIX_Message_queue_Manager_initialization |
---|
38 | * |
---|
39 | * This routine initializes all message_queue manager related data structures. |
---|
40 | * |
---|
41 | * Input parameters: |
---|
42 | * maximum_message_queues - maximum configured message_queues |
---|
43 | * |
---|
44 | * Output parameters: NONE |
---|
45 | */ |
---|
46 | |
---|
47 | void _POSIX_Message_queue_Manager_initialization( |
---|
48 | unsigned32 maximum_message_queues |
---|
49 | ) |
---|
50 | { |
---|
51 | _Objects_Initialize_information( |
---|
52 | &_POSIX_Message_queue_Information, |
---|
53 | OBJECTS_POSIX_MESSAGE_QUEUES, |
---|
54 | TRUE, |
---|
55 | maximum_message_queues, |
---|
56 | sizeof( POSIX_Message_queue_Control ), |
---|
57 | TRUE, |
---|
58 | _POSIX_PATH_MAX, |
---|
59 | FALSE |
---|
60 | ); |
---|
61 | _Objects_Initialize_information( |
---|
62 | &_POSIX_Message_queue_Information_fds, |
---|
63 | OBJECTS_POSIX_MESSAGE_QUEUE_FDS, |
---|
64 | FALSE, |
---|
65 | maximum_message_queues, |
---|
66 | sizeof( POSIX_Message_queue_Control_fd ), |
---|
67 | FALSE, |
---|
68 | 0, |
---|
69 | FALSE |
---|
70 | ); |
---|
71 | } |
---|