/**
* Destroys a mailbox.
*
* @param mbox is the mailbox to be destroyed.
*/
void
sys_mbox_free(sys_mbox_t *mbox)
{
/* There should not be any messages waiting (if there are it is a bug). If
any are waiting, increment the mailbox error count. */
#if RTOS_FREERTOS
if(uxQueueMessagesWaiting(mbox->queue) != 0) {
#endif /* RTOS_FREERTOS */
#if SYS_STATS
STATS_INC(sys.mbox.err);
#endif /* SYS_STATS */
}
/* Find a semaphore that would be freed. */
u32_t i;
for(i = 0; i < SYS_MBOX_MAX; i++) {
if(mboxes[i].queue == mbox->queue) {
mboxes[i].queue = SYS_MBOX_NULL;
vSemaphoreDelete(mbox->queue);
mbox->queue = 0;
return;
}
}
/* Clear the queue handle. */
mbox->queue = 0;
/* Update the mailbox statistics. */
#if SYS_STATS
STATS_DEC(sys.mbox.used);
#endif /* SYS_STATS */
}
/**
* Destroys a mailbox.
*
* @param mbox is the mailbox to be destroyed.
*/
void
sys_mbox_free(sys_mbox_t mbox)
{
unsigned portBASE_TYPE count;
/* There should not be any messages waiting (if there are it is a bug). If
any are waiting, increment the mailbox error count. */
#if RTOS_SAFERTOS
if((xQueueMessagesWaiting(mbox->queue, &count) != pdPASS) || (count != 0)) {
#elif RTOS_FREERTOS
if(uxQueueMessagesWaiting(mbox->queue) != 0) {
#endif /* RTOS_SAFERTOS */
#if SYS_STATS
STATS_INC(sys.mbox.err);
#endif /* SYS_STATS */
}
/* Clear the queue handle. */
mbox->queue = 0;
/* Update the mailbox statistics. */
#if SYS_STATS
STATS_DEC(sys.mbox.used);
#endif /* SYS_STATS */
}
/**
* The routine for a thread. This handles some housekeeping around the
* applications's thread routine.
*
* @param arg is the index into the thread structure for this thread
*/
static void
sys_arch_thread(void *arg)
{
u32_t i;
/* Get this threads index. */
i = (u32_t)arg;
/* Call the application's thread routine. */
threads[i].thread(threads[i].arg);
/* Free the memory used by this thread's stack. */
mem_free(threads[i].stackstart);
/* Clear the stack from the thread structure. */
threads[i].stackstart = NULL;
threads[i].stackend = NULL;
/* Delete this task. */
#if RTOS_SAFERTOS
xTaskDelete(NULL);
#elif RTOS_FREERTOS
vTaskDelete(NULL);
#endif
}
/**
* Destroys a semaphore.
*
* @param sem is the semaphore to be destroyed.
*/
void sys_sem_free(sys_sem_t sem)
{
/* Clear the queue handle. */
sem->queue = 0;
/* Update the semaphore statistics. */
#if SYS_STATS
STATS_DEC(sys.sem.used);
#endif /* SYS_STATS */
}
/**
* Destroys a mailbox.
*
* @param mbox is the mailbox to be destroyed.
*/
void
sys_mbox_free(sys_mbox_t mbox)
{
unsigned portBASE_TYPE count;
/* There should not be any messages waiting (if there are it is a bug). If
any are waiting, increment the mailbox error count. */
if((xQueueMessagesWaiting(mbox->queue, &count) != pdPASS) || (count != 0)) {
#if SYS_STATS
STATS_INC(sys.mbox.err);
#endif /* SYS_STATS */
}
/* Clear the queue handle. */
mbox->queue = 0;
/* Update the mailbox statistics. */
#if SYS_STATS
STATS_DEC(sys.mbox.used);
#endif /* SYS_STATS */
}
/**
* Destroys a mailbox.
*
* @param mbox is the mailbox to be destroyed.
*/
void
sys_mbox_free(sys_mbox_t *mbox)
{
/* There should not be any messages waiting (if there are it is a bug). If
any are waiting, increment the mailbox error count. */
#if RTOS_FREERTOS
if(uxQueueMessagesWaiting(mbox->queue) != 0) {
#endif /* RTOS_FREERTOS */
#if SYS_STATS
STATS_INC(sys.mbox.err);
#endif /* SYS_STATS */
}
/* Clear the queue handle. */
mbox->queue = 0;
/* Update the mailbox statistics. */
#if SYS_STATS
STATS_DEC(sys.mbox.used);
#endif /* SYS_STATS */
}
/**
* Destroys a semaphore.
*
* @param sem is the semaphore to be destroyed.
*/
void
sys_sem_free(sys_sem_t *sem)
{
/* Find a semaphore that would be freed. */
u32_t i;
for(i = 0; i < SYS_SEM_MAX; i++) {
if(sems[i].queue == sem->queue) {
sems[i].queue = SYS_SEM_NULL;
vSemaphoreDelete(sem->queue);
sem->queue = 0;
return;
}
}
/* Clear the queue handle. */
sem->queue = 0;
/* Update the semaphore statistics. */
#if SYS_STATS
STATS_DEC(sys.sem.used);
#endif /* SYS_STATS */
}