[1e1b3e00] | 1 | /* |
---|
| 2 | * Message Queue Manager |
---|
| 3 | * |
---|
| 4 | * |
---|
[08311cc3] | 5 | * COPYRIGHT (c) 1989-1999. |
---|
[1e1b3e00] | 6 | * On-Line Applications Research Corporation (OAR). |
---|
| 7 | * |
---|
| 8 | * The license and distribution terms for this file may be |
---|
| 9 | * found in the file LICENSE in this distribution or at |
---|
| 10 | * http://www.OARcorp.com/rtems/license.html. |
---|
| 11 | * |
---|
| 12 | * $Id$ |
---|
| 13 | */ |
---|
| 14 | |
---|
| 15 | #include <rtems/system.h> |
---|
| 16 | #include <rtems/score/sysstate.h> |
---|
| 17 | #include <rtems/score/chain.h> |
---|
| 18 | #include <rtems/score/isr.h> |
---|
| 19 | #include <rtems/score/coremsg.h> |
---|
| 20 | #include <rtems/score/object.h> |
---|
| 21 | #include <rtems/score/states.h> |
---|
| 22 | #include <rtems/score/thread.h> |
---|
| 23 | #include <rtems/score/wkspace.h> |
---|
| 24 | #if defined(RTEMS_MULTIPROCESSING) |
---|
| 25 | #include <rtems/score/mpci.h> |
---|
| 26 | #endif |
---|
| 27 | #include <rtems/rtems/status.h> |
---|
| 28 | #include <rtems/rtems/attr.h> |
---|
| 29 | #include <rtems/rtems/message.h> |
---|
| 30 | #include <rtems/rtems/options.h> |
---|
| 31 | #include <rtems/rtems/support.h> |
---|
| 32 | |
---|
| 33 | /*PAGE |
---|
| 34 | * |
---|
| 35 | * _Message_queue_Submit |
---|
| 36 | * |
---|
| 37 | * This routine implements the directives rtems_message_queue_send |
---|
| 38 | * and rtems_message_queue_urgent. It processes a message that is |
---|
| 39 | * to be submitted to the designated message queue. The message will |
---|
| 40 | * either be processed as a send send message which it will be inserted |
---|
| 41 | * at the rear of the queue or it will be processed as an urgent message |
---|
| 42 | * which will be inserted at the front of the queue. |
---|
| 43 | * |
---|
| 44 | * Input parameters: |
---|
| 45 | * id - pointer to message queue |
---|
| 46 | * buffer - pointer to message buffer |
---|
| 47 | * size - size in bytes of message to send |
---|
| 48 | * submit_type - send or urgent message |
---|
| 49 | * |
---|
| 50 | * Output parameters: |
---|
| 51 | * RTEMS_SUCCESSFUL - if successful |
---|
| 52 | * error code - if unsuccessful |
---|
| 53 | */ |
---|
| 54 | |
---|
[183f7748] | 55 | #if defined(RTEMS_MULTIPROCESSING) |
---|
| 56 | #define MESSAGE_QUEUE_MP_HANDLER _Message_queue_Core_message_queue_mp_support |
---|
| 57 | #else |
---|
| 58 | #define MESSAGE_QUEUE_MP_HANDLER NULL |
---|
| 59 | #endif |
---|
| 60 | |
---|
[1e1b3e00] | 61 | rtems_status_code _Message_queue_Submit( |
---|
| 62 | Objects_Id id, |
---|
| 63 | void *buffer, |
---|
| 64 | unsigned32 size, |
---|
| 65 | Message_queue_Submit_types submit_type |
---|
| 66 | ) |
---|
| 67 | { |
---|
| 68 | register Message_queue_Control *the_message_queue; |
---|
| 69 | Objects_Locations location; |
---|
| 70 | |
---|
| 71 | the_message_queue = _Message_queue_Get( id, &location ); |
---|
| 72 | switch ( location ) |
---|
| 73 | { |
---|
| 74 | case OBJECTS_REMOTE: |
---|
| 75 | #if defined(RTEMS_MULTIPROCESSING) |
---|
| 76 | switch ( submit_type ) { |
---|
| 77 | case MESSAGE_QUEUE_SEND_REQUEST: |
---|
| 78 | return _Message_queue_MP_Send_request_packet( |
---|
| 79 | MESSAGE_QUEUE_MP_SEND_REQUEST, |
---|
| 80 | id, |
---|
| 81 | buffer, |
---|
| 82 | &size, |
---|
| 83 | 0, /* option_set */ |
---|
| 84 | MPCI_DEFAULT_TIMEOUT |
---|
| 85 | ); |
---|
| 86 | |
---|
| 87 | case MESSAGE_QUEUE_URGENT_REQUEST: |
---|
| 88 | return _Message_queue_MP_Send_request_packet( |
---|
| 89 | MESSAGE_QUEUE_MP_URGENT_REQUEST, |
---|
| 90 | id, |
---|
| 91 | buffer, |
---|
| 92 | &size, |
---|
| 93 | 0, /* option_set */ |
---|
| 94 | MPCI_DEFAULT_TIMEOUT |
---|
| 95 | ); |
---|
| 96 | } |
---|
| 97 | break; |
---|
| 98 | #endif |
---|
| 99 | |
---|
| 100 | case OBJECTS_ERROR: |
---|
| 101 | return RTEMS_INVALID_ID; |
---|
| 102 | |
---|
| 103 | case OBJECTS_LOCAL: |
---|
| 104 | switch ( submit_type ) { |
---|
| 105 | case MESSAGE_QUEUE_SEND_REQUEST: |
---|
[53fb837a] | 106 | _CORE_message_queue_Send( |
---|
| 107 | &the_message_queue->message_queue, |
---|
| 108 | buffer, |
---|
| 109 | size, |
---|
| 110 | id, |
---|
[183f7748] | 111 | MESSAGE_QUEUE_MP_HANDLER, |
---|
[53fb837a] | 112 | FALSE, /* sender does not block */ |
---|
| 113 | 0 /* no timeout */ |
---|
| 114 | ); |
---|
[1e1b3e00] | 115 | break; |
---|
| 116 | case MESSAGE_QUEUE_URGENT_REQUEST: |
---|
[53fb837a] | 117 | _CORE_message_queue_Urgent( |
---|
| 118 | &the_message_queue->message_queue, |
---|
| 119 | buffer, |
---|
| 120 | size, |
---|
| 121 | id, |
---|
[183f7748] | 122 | MESSAGE_QUEUE_MP_HANDLER, |
---|
[53fb837a] | 123 | FALSE, /* sender does not block */ |
---|
| 124 | 0 /* no timeout */ |
---|
| 125 | ); |
---|
[1e1b3e00] | 126 | break; |
---|
| 127 | default: |
---|
| 128 | return RTEMS_INTERNAL_ERROR; /* should never get here */ |
---|
| 129 | } |
---|
| 130 | |
---|
| 131 | _Thread_Enable_dispatch(); |
---|
| 132 | return _Message_queue_Translate_core_message_queue_return_code( |
---|
[53fb837a] | 133 | _Thread_Executing->Wait.return_code |
---|
| 134 | ); |
---|
[1e1b3e00] | 135 | |
---|
| 136 | } |
---|
| 137 | return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */ |
---|
| 138 | } |
---|