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Added ITTI timer support for RTAI builds (timers must only be used from non RT tasks).

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Blocked message sending to ended tasks.
Modified lte-softmodem to use ITTI signal handling.
Uniformized lte-softmodem and oaisim with ITTI handling.

git-svn-id: http://svn.eurecom.fr/openair4G/trunk@4607 818b1a75-f10b-46b9-bf7c-635c3b92a50f
This commit is contained in:
winckel
2013-12-05 13:03:18 +00:00
parent 4150c634cf
commit ae4b36507f
9 changed files with 145 additions and 77 deletions
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common/utils/itti/intertask_interface.c
+61 -46
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@@ -339,54 +339,67 @@ int itti_send_msg_to_task(task_id_t destination_task_id, instance_t instance, Me
vcd_signal_dumper_dump_function_by_name(VCD_SIGNAL_DUMPER_FUNCTIONS_ITTI_ENQUEUE_MESSAGE, VCD_FUNCTION_IN);
#endif
/* We cannot send a message if the task is not running */
DevCheck(itti_desc.threads[destination_thread_id].task_state == TASK_STATE_READY, itti_desc.threads[destination_thread_id].task_state,
TASK_STATE_READY, destination_thread_id);
if (itti_desc.threads[destination_thread_id].task_state == TASK_STATE_ENDED)
{
ITTI_DEBUG("Message %s, number %lu with priority %d can not be sent from %s to queue (%u:%s), ended destination task!\n",
itti_desc.messages_info[message_id].name,
message_number,
priority,
itti_get_task_name(origin_task_id),
destination_task_id,
itti_get_task_name(destination_task_id));
}
else
{
/* We cannot send a message if the task is not running */
DevCheck(itti_desc.threads[destination_thread_id].task_state == TASK_STATE_READY, destination_thread_id,
itti_desc.threads[destination_thread_id].task_state, message_id);
/* Allocate new list element */
new = (message_list_t *) malloc (sizeof(struct message_list_s));
DevAssert(new != NULL);
/* Allocate new list element */
new = (message_list_t *) malloc (sizeof(struct message_list_s));
DevAssert(new != NULL);
/* Fill in members */
new->msg = message;
new->message_number = message_number;
new->message_priority = priority;
/* Fill in members */
new->msg = message;
new->message_number = message_number;
new->message_priority = priority;
/* Enqueue message in destination task queue */
lfds611_queue_enqueue(itti_desc.tasks[destination_task_id].message_queue, new);
/* Enqueue message in destination task queue */
lfds611_queue_enqueue(itti_desc.tasks[destination_task_id].message_queue, new);
#if defined(OAI_EMU) || defined(RTAI)
vcd_signal_dumper_dump_function_by_name(VCD_SIGNAL_DUMPER_FUNCTIONS_ITTI_ENQUEUE_MESSAGE, VCD_FUNCTION_OUT);
vcd_signal_dumper_dump_function_by_name(VCD_SIGNAL_DUMPER_FUNCTIONS_ITTI_ENQUEUE_MESSAGE, VCD_FUNCTION_OUT);
#endif
#ifdef RTAI
if (itti_desc.threads[TASK_GET_THREAD_ID(origin_task_id)].real_time)
{
/* This is a RT task, increase destination task messages pending counter */
__sync_fetch_and_add (&itti_desc.threads[destination_thread_id].messages_pending, 1);
}
else
#endif
{
/* Only use event fd for tasks, subtasks will pool the queue */
if (TASK_GET_PARENT_TASK_ID(destination_task_id) == TASK_UNKNOWN)
if (itti_desc.threads[TASK_GET_THREAD_ID(origin_task_id)].real_time)
{
ssize_t write_ret;
uint64_t sem_counter = 1;
/* Call to write for an event fd must be of 8 bytes */
write_ret = write (itti_desc.threads[destination_thread_id].task_event_fd, &sem_counter, sizeof(sem_counter));
DevCheck(write_ret == sizeof(sem_counter), write_ret, sem_counter, destination_thread_id);
/* This is a RT task, increase destination task messages pending counter */
__sync_fetch_and_add (&itti_desc.threads[destination_thread_id].messages_pending, 1);
}
}
else
#endif
{
/* Only use event fd for tasks, subtasks will pool the queue */
if (TASK_GET_PARENT_TASK_ID(destination_task_id) == TASK_UNKNOWN)
{
ssize_t write_ret;
uint64_t sem_counter = 1;
ITTI_DEBUG("Message %s, number %lu with priority %d successfully sent from %s to queue (%u:%s)\n",
itti_desc.messages_info[message_id].name,
message_number,
priority,
itti_get_task_name(origin_task_id),
destination_task_id,
itti_get_task_name(destination_task_id));
/* Call to write for an event fd must be of 8 bytes */
write_ret = write (itti_desc.threads[destination_thread_id].task_event_fd, &sem_counter, sizeof(sem_counter));
DevCheck(write_ret == sizeof(sem_counter), write_ret, sem_counter, destination_thread_id);
}
}
ITTI_DEBUG("Message %s, number %lu with priority %d successfully sent from %s to queue (%u:%s)\n",
itti_desc.messages_info[message_id].name,
message_number,
priority,
itti_get_task_name(origin_task_id),
destination_task_id,
itti_get_task_name(destination_task_id));
}
}
#if defined(OAI_EMU) || defined(RTAI)
@@ -634,6 +647,15 @@ void itti_mark_task_ready(task_id_t task_id)
}
void itti_exit_task(void) {
#if defined(OAI_EMU) || defined(RTAI)
task_id_t task_id = itti_get_current_task_id();
if (task_id > TASK_UNKNOWN)
{
vcd_signal_dumper_dump_variable_by_name(VCD_SIGNAL_DUMPER_VARIABLE_ITTI_RECV_MSG,
__sync_and_and_fetch (&itti_desc.vcd_receive_msg, ~(1L << task_id)));
}
#endif
pthread_exit (NULL);
}
@@ -692,12 +714,7 @@ int itti_init(task_id_t task_max, thread_id_t thread_max, MessagesIds messages_i
ITTI_DEBUG("Init: %d tasks, %d threads, %d messages\n", task_max, thread_max, messages_id_max);
#if !defined(RTAI)
/* SR: disable signals module for RTAI (need to harmonize management
* between softmodem and oaisim).
*/
CHECK_INIT_RETURN(signal_init());
#endif
CHECK_INIT_RETURN(signal_mask());
/* Saves threads and messages max values */
itti_desc.task_max = task_max;
@@ -799,9 +816,7 @@ int itti_init(task_id_t task_max, thread_id_t thread_max, MessagesIds messages_i
itti_dump_init (messages_definition_xml, dump_file_name);
#ifndef RTAI
CHECK_INIT_RETURN(timer_init ());
#endif
CHECK_INIT_RETURN(timer_init ());
return 0;
}