rtems_status_code rtems_task_delete(
rtems_id id
)
{
register Thread_Control *the_thread;
Objects_Locations location;
Objects_Information *the_information;
_RTEMS_Lock_allocator();
the_thread = _Thread_Get( id, &location );
switch ( location ) {
case OBJECTS_LOCAL:
the_information = _Objects_Get_information_id( the_thread->Object.id );
#if defined(RTEMS_DEBUG)
if ( !the_information ) {
_Thread_Enable_dispatch();
return RTEMS_INVALID_ID;
/* This should never happen if _Thread_Get() works right */
}
#endif
#if defined(RTEMS_MULTIPROCESSING)
if ( the_thread->is_global ) {
_Objects_MP_Close( &_RTEMS_tasks_Information, the_thread->Object.id );
_RTEMS_tasks_MP_Send_process_packet(
RTEMS_TASKS_MP_ANNOUNCE_DELETE,
the_thread->Object.id,
0 /* Not used */
);
}
#endif
_Thread_Close( the_information, the_thread );
_RTEMS_tasks_Free( the_thread );
_RTEMS_Unlock_allocator();
_Thread_Enable_dispatch();
return RTEMS_SUCCESSFUL;
#if defined(RTEMS_MULTIPROCESSING)
case OBJECTS_REMOTE:
_RTEMS_Unlock_allocator();
_Thread_Dispatch();
return RTEMS_ILLEGAL_ON_REMOTE_OBJECT;
#endif
case OBJECTS_ERROR:
break;
}
_RTEMS_Unlock_allocator();
return RTEMS_INVALID_ID;
}
rtems_status_code rtems_message_queue_delete(
rtems_id id
)
{
register Message_queue_Control *the_message_queue;
Objects_Locations location;
the_message_queue = _Message_queue_Get( id, &location );
switch ( location ) {
case OBJECTS_LOCAL:
_Objects_Close( &_Message_queue_Information,
&the_message_queue->Object );
_CORE_message_queue_Close(
&the_message_queue->message_queue,
#if defined(RTEMS_MULTIPROCESSING)
_Message_queue_MP_Send_object_was_deleted,
#else
NULL,
#endif
CORE_MESSAGE_QUEUE_STATUS_WAS_DELETED
);
_Message_queue_Free( the_message_queue );
#if defined(RTEMS_MULTIPROCESSING)
if ( _Attributes_Is_global( the_message_queue->attribute_set ) ) {
_Objects_MP_Close(
&_Message_queue_Information,
the_message_queue->Object.id
);
_Message_queue_MP_Send_process_packet(
MESSAGE_QUEUE_MP_ANNOUNCE_DELETE,
the_message_queue->Object.id,
0, /* Not used */
0
);
}
#endif
_Thread_Enable_dispatch();
return RTEMS_SUCCESSFUL;
#if defined(RTEMS_MULTIPROCESSING)
case OBJECTS_REMOTE:
_Thread_Dispatch();
return RTEMS_ILLEGAL_ON_REMOTE_OBJECT;
#endif
case OBJECTS_ERROR:
break;
}
return RTEMS_INVALID_ID;
}
rtems_status_code rtems_partition_delete(
rtems_id id
)
{
register Partition_Control *the_partition;
Objects_Locations location;
the_partition = _Partition_Get( id, &location );
switch ( location ) {
case OBJECTS_LOCAL:
if ( the_partition->number_of_used_blocks == 0 ) {
_Objects_Close( &_Partition_Information, &the_partition->Object );
_Partition_Free( the_partition );
#if defined(RTEMS_MULTIPROCESSING)
if ( _Attributes_Is_global( the_partition->attribute_set ) ) {
_Objects_MP_Close(
&_Partition_Information,
the_partition->Object.id
);
_Partition_MP_Send_process_packet(
PARTITION_MP_ANNOUNCE_DELETE,
the_partition->Object.id,
0, /* Not used */
0 /* Not used */
);
}
#endif
_Thread_Enable_dispatch();
return RTEMS_SUCCESSFUL;
}
_Thread_Enable_dispatch();
return RTEMS_RESOURCE_IN_USE;
#if defined(RTEMS_MULTIPROCESSING)
case OBJECTS_REMOTE:
_Thread_Dispatch();
return RTEMS_ILLEGAL_ON_REMOTE_OBJECT;
#endif
case OBJECTS_ERROR:
break;
}
return RTEMS_INVALID_ID;
}
rtems_status_code rtems_task_delete(
rtems_id id
)
{
Thread_Control *the_thread;
Objects_Locations location;
bool previous_life_protection;
previous_life_protection = _Thread_Set_life_protection( true );
the_thread = _Thread_Get( id, &location );
switch ( location ) {
case OBJECTS_LOCAL:
#if defined(RTEMS_MULTIPROCESSING)
if ( the_thread->is_global ) {
_Objects_MP_Close(
&_RTEMS_tasks_Information.Objects,
the_thread->Object.id
);
_RTEMS_tasks_MP_Send_process_packet(
RTEMS_TASKS_MP_ANNOUNCE_DELETE,
the_thread->Object.id,
0 /* Not used */
);
}
#endif
_Thread_Close( the_thread, _Thread_Executing );
_Objects_Put( &the_thread->Object );
_Thread_Set_life_protection( previous_life_protection );
return RTEMS_SUCCESSFUL;
#if defined(RTEMS_MULTIPROCESSING)
case OBJECTS_REMOTE:
_Thread_Dispatch();
_Thread_Set_life_protection( previous_life_protection );
return RTEMS_ILLEGAL_ON_REMOTE_OBJECT;
#endif
case OBJECTS_ERROR:
break;
}
_Thread_Set_life_protection( previous_life_protection );
return RTEMS_INVALID_ID;
}
int sem_unlink(
const char *name
)
{
int status;
register POSIX_Semaphore_Control *the_semaphore;
sem_t the_semaphore_id;
_Thread_Disable_dispatch();
status = _POSIX_Semaphore_Name_to_id( name, &the_semaphore_id );
if ( status != 0 ) {
_Thread_Enable_dispatch();
rtems_set_errno_and_return_minus_one( status );
}
/*
* Don't support unlinking a remote semaphore.
*/
#if defined(RTEMS_MULTIPROCESSING)
if ( !_Objects_Is_local_id((Objects_Id)the_semaphore_id) ) {
_Thread_Enable_dispatch();
rtems_set_errno_and_return_minus_one( ENOSYS );
}
#endif
the_semaphore = (POSIX_Semaphore_Control *) _Objects_Get_local_object(
&_POSIX_Semaphore_Information,
_Objects_Get_index( the_semaphore_id )
);
#if defined(RTEMS_MULTIPROCESSING)
if ( the_semaphore->process_shared == PTHREAD_PROCESS_SHARED ) {
_Objects_MP_Close( &_POSIX_Semaphore_Information, the_semaphore_id );
}
#endif
the_semaphore->linked = FALSE;
_POSIX_Semaphore_Namespace_remove( the_semaphore );
_POSIX_Semaphore_Delete( the_semaphore );
_Thread_Enable_dispatch();
return 0;
}
rtems_status_code rtems_semaphore_delete(
rtems_id id
)
{
register Semaphore_Control *the_semaphore;
Objects_Locations location;
the_semaphore = _Semaphore_Get( id, &location );
switch ( location ) {
case OBJECTS_LOCAL:
if ( !_Attributes_Is_counting_semaphore(the_semaphore->attribute_set) ) {
if ( _CORE_mutex_Is_locked( &the_semaphore->Core_control.mutex ) &&
!_Attributes_Is_simple_binary_semaphore(
the_semaphore->attribute_set ) ) {
_Thread_Enable_dispatch();
return RTEMS_RESOURCE_IN_USE;
}
_CORE_mutex_Flush(
&the_semaphore->Core_control.mutex,
SEMAPHORE_MP_OBJECT_WAS_DELETED,
CORE_MUTEX_WAS_DELETED
);
} else {
_CORE_semaphore_Flush(
&the_semaphore->Core_control.semaphore,
SEMAPHORE_MP_OBJECT_WAS_DELETED,
CORE_SEMAPHORE_WAS_DELETED
);
}
_Objects_Close( &_Semaphore_Information, &the_semaphore->Object );
_Semaphore_Free( the_semaphore );
#if defined(RTEMS_MULTIPROCESSING)
if ( _Attributes_Is_global( the_semaphore->attribute_set ) ) {
_Objects_MP_Close( &_Semaphore_Information, the_semaphore->Object.id );
_Semaphore_MP_Send_process_packet(
SEMAPHORE_MP_ANNOUNCE_DELETE,
the_semaphore->Object.id,
0, /* Not used */
0 /* Not used */
);
}
#endif
_Thread_Enable_dispatch();
return RTEMS_SUCCESSFUL;
#if defined(RTEMS_MULTIPROCESSING)
case OBJECTS_REMOTE:
_Thread_Dispatch();
return RTEMS_ILLEGAL_ON_REMOTE_OBJECT;
#endif
case OBJECTS_ERROR:
break;
}
return RTEMS_INVALID_ID;
}
void _RTEMS_tasks_MP_Process_packet (
rtems_packet_prefix *the_packet_prefix
)
{
RTEMS_tasks_MP_Packet *the_packet;
Thread_Control *the_thread;
bool ignored;
the_packet = (RTEMS_tasks_MP_Packet *) the_packet_prefix;
switch ( the_packet->operation ) {
case RTEMS_TASKS_MP_ANNOUNCE_CREATE:
ignored = _Objects_MP_Allocate_and_open(
&_RTEMS_tasks_Information.Objects,
the_packet->name,
the_packet->Prefix.id,
true
);
_MPCI_Return_packet( the_packet_prefix );
break;
case RTEMS_TASKS_MP_ANNOUNCE_DELETE:
_Objects_MP_Close(
&_RTEMS_tasks_Information.Objects,
the_packet->Prefix.id
);
_MPCI_Return_packet( the_packet_prefix );
break;
case RTEMS_TASKS_MP_SUSPEND_REQUEST:
the_packet->Prefix.return_code = rtems_task_suspend(
the_packet->Prefix.id
);
_RTEMS_tasks_MP_Send_response_packet(
RTEMS_TASKS_MP_SUSPEND_RESPONSE,
_Thread_Executing
);
break;
case RTEMS_TASKS_MP_SUSPEND_RESPONSE:
case RTEMS_TASKS_MP_RESUME_RESPONSE:
case RTEMS_TASKS_MP_SET_NOTE_RESPONSE:
the_thread = _MPCI_Process_response( the_packet_prefix );
_MPCI_Return_packet( the_packet_prefix );
break;
case RTEMS_TASKS_MP_RESUME_REQUEST:
the_packet->Prefix.return_code = rtems_task_resume(
the_packet->Prefix.id
);
_RTEMS_tasks_MP_Send_response_packet(
RTEMS_TASKS_MP_RESUME_RESPONSE,
_Thread_Executing
);
break;
case RTEMS_TASKS_MP_SET_PRIORITY_REQUEST:
the_packet->Prefix.return_code = rtems_task_set_priority(
the_packet->Prefix.id,
the_packet->the_priority,
&the_packet->the_priority
);
_RTEMS_tasks_MP_Send_response_packet(
RTEMS_TASKS_MP_SET_PRIORITY_RESPONSE,
_Thread_Executing
);
break;
case RTEMS_TASKS_MP_SET_PRIORITY_RESPONSE:
the_thread = _MPCI_Process_response( the_packet_prefix );
*(rtems_task_priority *)the_thread->Wait.return_argument =
the_packet->the_priority;
_MPCI_Return_packet( the_packet_prefix );
break;
case RTEMS_TASKS_MP_GET_NOTE_REQUEST:
the_packet->Prefix.return_code = rtems_task_get_note(
the_packet->Prefix.id,
the_packet->notepad,
&the_packet->note
);
_RTEMS_tasks_MP_Send_response_packet(
RTEMS_TASKS_MP_GET_NOTE_RESPONSE,
_Thread_Executing
);
break;
case RTEMS_TASKS_MP_GET_NOTE_RESPONSE:
the_thread = _MPCI_Process_response( the_packet_prefix );
*(uint32_t *)the_thread->Wait.return_argument = the_packet->note;
_MPCI_Return_packet( the_packet_prefix );
break;
case RTEMS_TASKS_MP_SET_NOTE_REQUEST:
the_packet->Prefix.return_code = rtems_task_set_note(
the_packet->Prefix.id,
the_packet->notepad,
the_packet->note
);
_RTEMS_tasks_MP_Send_response_packet(
RTEMS_TASKS_MP_SET_NOTE_RESPONSE,
_Thread_Executing
);
break;
}
}
void _Message_queue_MP_Process_packet (
rtems_packet_prefix *the_packet_prefix
)
{
Message_queue_MP_Packet *the_packet;
Thread_Control *the_thread;
bool ignored;
the_packet = (Message_queue_MP_Packet *) the_packet_prefix;
switch ( the_packet->operation ) {
case MESSAGE_QUEUE_MP_ANNOUNCE_CREATE:
ignored = _Objects_MP_Allocate_and_open(
&_Message_queue_Information,
the_packet->name,
the_packet->Prefix.id,
true
);
_MPCI_Return_packet( the_packet_prefix );
break;
case MESSAGE_QUEUE_MP_ANNOUNCE_DELETE:
_Objects_MP_Close( &_Message_queue_Information, the_packet->Prefix.id );
_MPCI_Return_packet( the_packet_prefix );
break;
case MESSAGE_QUEUE_MP_EXTRACT_PROXY:
the_thread = _Thread_MP_Find_proxy( the_packet->proxy_id );
if (! _Thread_Is_null( the_thread ) )
_Thread_queue_Extract( the_thread );
_MPCI_Return_packet( the_packet_prefix );
break;
case MESSAGE_QUEUE_MP_RECEIVE_REQUEST:
the_packet->Prefix.return_code = rtems_message_queue_receive(
the_packet->Prefix.id,
the_packet->Buffer.buffer,
&the_packet->size,
the_packet->option_set,
the_packet->Prefix.timeout
);
if ( the_packet->Prefix.return_code != RTEMS_PROXY_BLOCKING )
_Message_queue_MP_Send_response_packet(
MESSAGE_QUEUE_MP_RECEIVE_RESPONSE,
the_packet->Prefix.id,
_Thread_Executing
);
break;
case MESSAGE_QUEUE_MP_RECEIVE_RESPONSE:
the_thread = _MPCI_Process_response( the_packet_prefix );
if (the_packet->Prefix.return_code == RTEMS_SUCCESSFUL) {
*(size_t *) the_thread->Wait.return_argument =
the_packet->size;
_CORE_message_queue_Copy_buffer(
the_packet->Buffer.buffer,
the_thread->Wait.return_argument_second.mutable_object,
the_packet->size
);
}
_MPCI_Return_packet( the_packet_prefix );
break;
case MESSAGE_QUEUE_MP_SEND_REQUEST:
the_packet->Prefix.return_code = rtems_message_queue_send(
the_packet->Prefix.id,
the_packet->Buffer.buffer,
the_packet->Buffer.size
);
_Message_queue_MP_Send_response_packet(
MESSAGE_QUEUE_MP_SEND_RESPONSE,
the_packet->Prefix.id,
_Thread_Executing
);
break;
case MESSAGE_QUEUE_MP_SEND_RESPONSE:
case MESSAGE_QUEUE_MP_URGENT_RESPONSE:
the_thread = _MPCI_Process_response( the_packet_prefix );
_MPCI_Return_packet( the_packet_prefix );
break;
case MESSAGE_QUEUE_MP_URGENT_REQUEST:
the_packet->Prefix.return_code = rtems_message_queue_urgent(
the_packet->Prefix.id,
the_packet->Buffer.buffer,
the_packet->Buffer.size
);
_Message_queue_MP_Send_response_packet(
MESSAGE_QUEUE_MP_URGENT_RESPONSE,
the_packet->Prefix.id,
_Thread_Executing
);
break;
case MESSAGE_QUEUE_MP_BROADCAST_REQUEST:
the_packet->Prefix.return_code = rtems_message_queue_broadcast(
the_packet->Prefix.id,
the_packet->Buffer.buffer,
the_packet->Buffer.size,
&the_packet->count
);
_Message_queue_MP_Send_response_packet(
MESSAGE_QUEUE_MP_BROADCAST_RESPONSE,
the_packet->Prefix.id,
_Thread_Executing
);
break;
case MESSAGE_QUEUE_MP_BROADCAST_RESPONSE:
case MESSAGE_QUEUE_MP_FLUSH_RESPONSE:
case MESSAGE_QUEUE_MP_GET_NUMBER_PENDING_RESPONSE:
the_thread = _MPCI_Process_response( the_packet_prefix );
*(uint32_t *) the_thread->Wait.return_argument = the_packet->count;
_MPCI_Return_packet( the_packet_prefix );
break;
case MESSAGE_QUEUE_MP_FLUSH_REQUEST:
the_packet->Prefix.return_code = rtems_message_queue_flush(
the_packet->Prefix.id,
&the_packet->count
);
_Message_queue_MP_Send_response_packet(
MESSAGE_QUEUE_MP_FLUSH_RESPONSE,
the_packet->Prefix.id,
_Thread_Executing
);
break;
case MESSAGE_QUEUE_MP_GET_NUMBER_PENDING_REQUEST:
the_packet->Prefix.return_code = rtems_message_queue_get_number_pending(
the_packet->Prefix.id,
&the_packet->count
);
_Message_queue_MP_Send_response_packet(
MESSAGE_QUEUE_MP_GET_NUMBER_PENDING_RESPONSE,
the_packet->Prefix.id,
_Thread_Executing
);
break;
}
}
void _Partition_MP_Process_packet (
rtems_packet_prefix *the_packet_prefix
)
{
Partition_MP_Packet *the_packet;
Thread_Control *the_thread;
the_packet = (Partition_MP_Packet *) the_packet_prefix;
switch ( the_packet->operation ) {
case PARTITION_MP_ANNOUNCE_CREATE:
_Objects_MP_Allocate_and_open(
&_Partition_Information,
the_packet->name,
the_packet->Prefix.id,
true
);
_MPCI_Return_packet( the_packet_prefix );
break;
case PARTITION_MP_ANNOUNCE_DELETE:
_Objects_MP_Close( &_Partition_Information, the_packet->Prefix.id );
_MPCI_Return_packet( the_packet_prefix );
break;
case PARTITION_MP_EXTRACT_PROXY:
the_thread = _Thread_MP_Find_proxy( the_packet->proxy_id );
if ( ! _Thread_Is_null( the_thread ) )
_Thread_queue_Extract( the_thread );
_MPCI_Return_packet( the_packet_prefix );
break;
case PARTITION_MP_GET_BUFFER_REQUEST:
the_packet->Prefix.return_code = rtems_partition_get_buffer(
the_packet->Prefix.id,
&the_packet->buffer
);
_Partition_MP_Send_response_packet(
PARTITION_MP_GET_BUFFER_RESPONSE,
the_packet->Prefix.id,
_Thread_Executing
);
break;
case PARTITION_MP_GET_BUFFER_RESPONSE:
the_thread = _MPCI_Process_response( the_packet_prefix );
*(void **)the_thread->Wait.return_argument = the_packet->buffer;
_MPCI_Return_packet( the_packet_prefix );
break;
case PARTITION_MP_RETURN_BUFFER_REQUEST:
the_packet->Prefix.return_code = rtems_partition_return_buffer(
the_packet->Prefix.id,
the_packet->buffer
);
_Partition_MP_Send_response_packet(
PARTITION_MP_RETURN_BUFFER_RESPONSE,
the_packet->Prefix.id,
_Thread_Executing
);
break;
case PARTITION_MP_RETURN_BUFFER_RESPONSE:
the_thread = _MPCI_Process_response( the_packet_prefix );
_MPCI_Return_packet( the_packet_prefix );
break;
}
}
int _POSIX_Message_queue_Create_support(
const char *name,
int pshared,
unsigned int oflag,
struct mq_attr *attr_ptr,
POSIX_Message_queue_Control **message_queue
)
{
POSIX_Message_queue_Control *the_mq;
CORE_message_queue_Attributes *the_mq_attr;
struct mq_attr attr;
_Thread_Disable_dispatch();
/*
* There is no real basis for the default values. They will work
* but were not compared against any existing implementation for
* compatibility. See README.mqueue for an example program we
* think will print out the defaults. Report anything you find with it.
*/
if ( attr_ptr == NULL ) {
attr.mq_maxmsg = 10;
attr.mq_msgsize = 16;
} else {
if ( attr_ptr->mq_maxmsg < 0 ){
_Thread_Enable_dispatch();
set_errno_and_return_minus_one( EINVAL );
}
if ( attr_ptr->mq_msgsize < 0 ){
_Thread_Enable_dispatch();
set_errno_and_return_minus_one( EINVAL );
}
attr = *attr_ptr;
}
#if 0 && defined(RTEMS_MULTIPROCESSING)
if ( pshared == PTHREAD_PROCESS_SHARED &&
!( _Objects_MP_Allocate_and_open( &_POSIX_Message_queue_Information, 0,
the_mq->Object.id, FALSE ) ) ) {
_POSIX_Message_queue_Free( the_mq );
_Thread_Enable_dispatch();
set_errno_and_return_minus_one( ENFILE );
}
#endif
the_mq = _POSIX_Message_queue_Allocate();
if ( !the_mq ) {
_Thread_Enable_dispatch();
set_errno_and_return_minus_one( ENFILE );
}
the_mq->process_shared = pshared;
the_mq->oflag = oflag;
the_mq->named = TRUE;
the_mq->open_count = 1;
the_mq->linked = TRUE;
/* XXX
*
* Note that thread blocking discipline should be based on the
* current scheduling policy.
*/
the_mq_attr = &the_mq->Message_queue.Attributes;
the_mq_attr->discipline = CORE_MESSAGE_QUEUE_DISCIPLINES_FIFO;
if ( ! _CORE_message_queue_Initialize(
&the_mq->Message_queue,
OBJECTS_POSIX_MESSAGE_QUEUES,
the_mq_attr,
attr.mq_maxmsg,
attr.mq_msgsize,
#if 0 && defined(RTEMS_MULTIPROCESSING)
_POSIX_Message_queue_MP_Send_extract_proxy
#else
NULL
#endif
) ) {
#if 0 && defined(RTEMS_MULTIPROCESSING)
if ( pshared == PTHREAD_PROCESS_SHARED )
_Objects_MP_Close( &_POSIX_Message_queue_Information, the_mq->Object.id );
#endif
_POSIX_Message_queue_Free( the_mq );
_Thread_Enable_dispatch();
set_errno_and_return_minus_one( ENOSPC );
}
_Objects_Open(
&_POSIX_Message_queue_Information,
&the_mq->Object,
(char *) name
);
*message_queue = the_mq;
#if 0 && defined(RTEMS_MULTIPROCESSING)
if ( pshared == PTHREAD_PROCESS_SHARED )
_POSIX_Message_queue_MP_Send_process_packet(
POSIX_MESSAGE_QUEUE_MP_ANNOUNCE_CREATE,
the_mq->Object.id,
(char *) name,
0 /* Not used */
);
#endif
_Thread_Enable_dispatch();
return 0;
}
epos_status_code epos_message_queue_create(
epos_name name,
uint32_t count,
size_t max_message_size,
epos_attribute attribute_set,
epos_id *id
)
{
register Message_queue_Control *the_message_queue;
CORE_message_queue_Attributes the_msgq_attributes;
#if defined(RTEMS_MULTIPROCESSING)
bool is_global;
#endif
if ( !epos_is_name_valid( name ) )
return RTEMS_INVALID_NAME;
if ( !id )
return RTEMS_INVALID_ADDRESS;
#if defined(RTEMS_MULTIPROCESSING)
if ( (is_global = _Attributes_Is_global( attribute_set ) ) &&
!_System_state_Is_multiprocessing )
return RTEMS_MP_NOT_CONFIGURED;
#endif
if ( count == 0 )
return RTEMS_INVALID_NUMBER;
if ( max_message_size == 0 )
return RTEMS_INVALID_SIZE;
#if defined(RTEMS_MULTIPROCESSING)
#if 1
/*
* I am not 100% sure this should be an error.
* It seems reasonable to create a que with a large max size,
* and then just send smaller msgs from remote (or all) nodes.
*/
if ( is_global && (_MPCI_table->maximum_packet_size < max_message_size) )
return RTEMS_INVALID_SIZE;
#endif
#endif
_Thread_Disable_dispatch(); /* protects object pointer */
the_message_queue = _Message_queue_Allocate();
if ( !the_message_queue ) {
_Thread_Enable_dispatch();
return RTEMS_TOO_MANY;
}
#if defined(RTEMS_MULTIPROCESSING)
if ( is_global &&
!( _Objects_MP_Allocate_and_open( &_Message_queue_Information,
name, the_message_queue->Object.id, false ) ) ) {
_Message_queue_Free( the_message_queue );
_Thread_Enable_dispatch();
return RTEMS_TOO_MANY;
}
#endif
the_message_queue->attribute_set = attribute_set;
if (_Attributes_Is_priority( attribute_set ) )
the_msgq_attributes.discipline = CORE_MESSAGE_QUEUE_DISCIPLINES_PRIORITY;
else
the_msgq_attributes.discipline = CORE_MESSAGE_QUEUE_DISCIPLINES_FIFO;
if ( ! _CORE_message_queue_Initialize(
&the_message_queue->message_queue,
&the_msgq_attributes,
count,
max_message_size
) ) {
#if defined(RTEMS_MULTIPROCESSING)
if ( is_global )
_Objects_MP_Close(
&_Message_queue_Information, the_message_queue->Object.id);
#endif
_Message_queue_Free( the_message_queue );
_Thread_Enable_dispatch();
return RTEMS_UNSATISFIED;
}
_Objects_Open(
&_Message_queue_Information,
&the_message_queue->Object,
(Objects_Name) name
);
*id = the_message_queue->Object.id;
#if defined(RTEMS_MULTIPROCESSING)
if ( is_global )
_Message_queue_MP_Send_process_packet(
MESSAGE_QUEUE_MP_ANNOUNCE_CREATE,
the_message_queue->Object.id,
name,
0
);
#endif
_Thread_Enable_dispatch();
return RTEMS_SUCCESSFUL;
}
rtems_status_code rtems_semaphore_delete(
rtems_id id
)
{
Semaphore_Control *the_semaphore;
Thread_queue_Context queue_context;
Status_Control status;
_Objects_Allocator_lock();
the_semaphore = _Semaphore_Get( id, &queue_context );
if ( the_semaphore == NULL ) {
_Objects_Allocator_unlock();
#if defined(RTEMS_MULTIPROCESSING)
if ( _Semaphore_MP_Is_remote( id ) ) {
return RTEMS_ILLEGAL_ON_REMOTE_OBJECT;
}
#endif
return RTEMS_INVALID_ID;
}
_Thread_queue_Acquire_critical(
&the_semaphore->Core_control.Wait_queue,
&queue_context.Lock_context
);
switch ( the_semaphore->variant ) {
case SEMAPHORE_VARIANT_MUTEX_INHERIT_PRIORITY:
case SEMAPHORE_VARIANT_MUTEX_PRIORITY_CEILING:
case SEMAPHORE_VARIANT_MUTEX_NO_PROTOCOL:
if (
_CORE_mutex_Is_locked(
&the_semaphore->Core_control.Mutex.Recursive.Mutex
)
) {
status = STATUS_RESOURCE_IN_USE;
} else {
status = STATUS_SUCCESSFUL;
}
break;
#if defined(RTEMS_SMP)
case SEMAPHORE_VARIANT_MRSP:
status = _MRSP_Can_destroy( &the_semaphore->Core_control.MRSP );
break;
#endif
default:
_Assert(
the_semaphore->variant == SEMAPHORE_VARIANT_SIMPLE_BINARY
|| the_semaphore->variant == SEMAPHORE_VARIANT_COUNTING
);
status = STATUS_SUCCESSFUL;
break;
}
if ( status != STATUS_SUCCESSFUL ) {
_Thread_queue_Release(
&the_semaphore->Core_control.Wait_queue,
&queue_context.Lock_context
);
_Objects_Allocator_unlock();
return _Status_Get( status );
}
_Objects_Close( &_Semaphore_Information, &the_semaphore->Object );
switch ( the_semaphore->variant ) {
#if defined(RTEMS_SMP)
case SEMAPHORE_VARIANT_MRSP:
_MRSP_Destroy( &the_semaphore->Core_control.MRSP, &queue_context );
break;
#endif
default:
_Assert(
the_semaphore->variant == SEMAPHORE_VARIANT_MUTEX_INHERIT_PRIORITY
|| the_semaphore->variant == SEMAPHORE_VARIANT_MUTEX_PRIORITY_CEILING
|| the_semaphore->variant == SEMAPHORE_VARIANT_MUTEX_NO_PROTOCOL
|| the_semaphore->variant == SEMAPHORE_VARIANT_SIMPLE_BINARY
|| the_semaphore->variant == SEMAPHORE_VARIANT_COUNTING
);
_Thread_queue_Flush_critical(
&the_semaphore->Core_control.Wait_queue.Queue,
_Semaphore_Get_operations( the_semaphore ),
_Thread_queue_Flush_status_object_was_deleted,
&queue_context
);
_Thread_queue_Destroy( &the_semaphore->Core_control.Wait_queue );
break;
}
#if defined(RTEMS_MULTIPROCESSING)
if ( the_semaphore->is_global ) {
_Objects_MP_Close( &_Semaphore_Information, id );
_Semaphore_MP_Send_process_packet(
SEMAPHORE_MP_ANNOUNCE_DELETE,
id,
0, /* Not used */
0 /* Not used */
);
}
#endif
_Semaphore_Free( the_semaphore );
_Objects_Allocator_unlock();
return RTEMS_SUCCESSFUL;
}
