source:
rtems/testsuites/mptests/mp14/msgtask1.c
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0784c0a
Last change on this file since 0784c0a was d7a0857, checked in by Joel Sherrill <joel.sherrill@…>, on 09/04/03 at 18:53:31 | |
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1 | /* Message_queue_task |
2 | * |
3 | * This task continuously sends messages to and receives messages from |
4 | * a global message queue. The message buffer is viewed as an array |
5 | * of two sixty-four bit counts which are incremented when a message is |
6 | * received. |
7 | * |
8 | * Input parameters: |
9 | * argument - task argument |
10 | * |
11 | * Output parameters: NONE |
12 | * |
13 | * COPYRIGHT (c) 1989-1999. |
14 | * On-Line Applications Research Corporation (OAR). |
15 | * |
16 | * The license and distribution terms for this file may be |
17 | * found in the file LICENSE in this distribution or at |
18 | * http://www.rtems.com/license/LICENSE. |
19 | * |
20 | * $Id$ |
21 | */ |
22 | |
23 | #include "system.h" |
24 | |
25 | rtems_task Message_queue_task( |
26 | rtems_task_argument index |
27 | ) |
28 | { |
29 | rtems_status_code status; |
30 | rtems_unsigned32 count; |
31 | rtems_unsigned32 yield_count; |
32 | rtems_unsigned32 *buffer_count; |
33 | rtems_unsigned32 *overflow_count; |
34 | rtems_unsigned32 size; |
35 | |
36 | Msg_buffer[ index ][0] = 0; |
37 | Msg_buffer[ index ][1] = 0; |
38 | Msg_buffer[ index ][2] = 0; |
39 | Msg_buffer[ index ][3] = 0; |
40 | |
41 | puts( "Getting ID of msg queue" ); |
42 | while ( FOREVER ) { |
43 | status = rtems_message_queue_ident( |
44 | Queue_name[ 1 ], |
45 | RTEMS_SEARCH_ALL_NODES, |
46 | &Queue_id[ 1 ] |
47 | ); |
48 | if ( status == RTEMS_SUCCESSFUL ) |
49 | break; |
50 | puts( "rtems_message_queue_ident FAILED!!" ); |
51 | rtems_task_wake_after(2); |
52 | } |
53 | |
54 | if ( Multiprocessing_configuration.node == 1 ) { |
55 | status = rtems_message_queue_send( |
56 | Queue_id[ 1 ], |
57 | (long (*)[4])Msg_buffer[ index ], |
58 | 16 |
59 | ); |
60 | directive_failed( status, "rtems_message_queue_send" ); |
61 | overflow_count = &Msg_buffer[ index ][0]; |
62 | buffer_count = &Msg_buffer[ index ][1]; |
63 | } else { |
64 | overflow_count = &Msg_buffer[ index ][2]; |
65 | buffer_count = &Msg_buffer[ index ][3]; |
66 | } |
67 | |
68 | while ( Stop_Test == FALSE ) { |
69 | yield_count = 100; |
70 | |
71 | for ( count=MESSAGE_DOT_COUNT ; Stop_Test == FALSE && count ; count-- ) { |
72 | status = rtems_message_queue_receive( |
73 | Queue_id[ 1 ], |
74 | (long (*)[4])Msg_buffer[ index ], |
75 | &size, |
76 | RTEMS_DEFAULT_OPTIONS, |
77 | RTEMS_NO_TIMEOUT |
78 | ); |
79 | directive_failed( status, "rtems_message_queue_receive" ); |
80 | |
81 | if ( *buffer_count == (rtems_unsigned32)0xffffffff ) { |
82 | *buffer_count = 0; |
83 | *overflow_count += 1; |
84 | } else |
85 | *buffer_count += 1; |
86 | |
87 | status = rtems_message_queue_send( |
88 | Queue_id[ 1 ], |
89 | (long (*)[4])Msg_buffer[ index ], |
90 | 16 |
91 | ); |
92 | directive_failed( status, "rtems_message_queue_send" ); |
93 | |
94 | if (Stop_Test == FALSE) |
95 | if ( Multiprocessing_configuration.node == 1 && --yield_count == 0 ) { |
96 | status = rtems_task_wake_after( RTEMS_YIELD_PROCESSOR ); |
97 | directive_failed( status, "rtems_task_wake_after" ); |
98 | |
99 | yield_count = 100; |
100 | } |
101 | } |
102 | put_dot( 'm' ); |
103 | } |
104 | |
105 | Exit_test(); |
106 | } |
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