static void rt_thread_exit(void)
{
struct rt_thread *thread;
register rt_base_t level;
/* get current thread */
thread = rt_current_thread;
/* disable interrupt */
level = rt_hw_interrupt_disable();
/* remove from schedule */
rt_schedule_remove_thread(thread);
/* change stat */
thread->stat = RT_THREAD_CLOSE;
/* remove it from timer list */
rt_list_remove(&(thread->thread_timer.list));
rt_object_detach((rt_object_t)&(thread->thread_timer));
if ((rt_object_is_systemobject((rt_object_t)thread) == RT_EOK) &&
thread->cleanup == RT_NULL) {
rt_object_detach((rt_object_t)thread);
} else {
/* insert to defunct thread list */
rt_list_insert_after(&rt_thread_defunct, &(thread->tlist));
}
/* enable interrupt */
rt_hw_interrupt_enable(level);
/* switch to next task */
rt_schedule();
}
rt_err_t rt_memheap_detach(struct rt_memheap *heap)
{
RT_ASSERT(heap);
rt_object_detach(&(heap->lock.parent.parent));
rt_object_detach(&(heap->parent));
/* Return a successful completion. */
return RT_EOK;
}
/**
* This function will detach a thread. The thread object will be removed from
* thread queue and detached/deleted from system object management.
*
* @param thread the thread to be deleted
*
* @return the operation status, RT_EOK on OK, -RT_ERROR on error
*
*/
rt_err_t rt_thread_detach(rt_thread_t thread)
{
rt_base_t lock;
/* thread check */
RT_ASSERT(thread != RT_NULL);
/* remove from schedule */
rt_schedule_remove_thread(thread);
/* release thread timer */
rt_timer_detach(&(thread->thread_timer));
/* change stat */
thread->stat = RT_THREAD_CLOSE;
/* detach object */
rt_object_detach((rt_object_t)thread);
if (thread->cleanup != RT_NULL)
{
/* disable interrupt */
lock = rt_hw_interrupt_disable();
/* insert to defunct thread list */
rt_list_insert_after(&rt_thread_defunct, &(thread->tlist));
/* enable interrupt */
rt_hw_interrupt_enable(lock);
}
return RT_EOK;
}
void rt_rms_exit(void)
{
struct rt_rms *rms;
register rt_base_t level;
/* get current rms */
rms = rt_current_rms;
/* disable interrupt */
level = rt_hw_interrupt_disable();
/* remove from schedule */
rt_schedule_remove_rms(rms);
/* change stat */
rms->thread->stat = RT_RMS_CLOSE;
/* remove it from timer list */
rt_timer_detach(&rms->rms_timer);
rt_timer_detach(&rms->thread->thread_timer);
if(rt_object_is_systemobject((rt_object_t)rms->thread) == RT_TRUE)
{
rt_object_detach((rt_object_t)rms->thread);
}
rt_list_remove(&(rms->thread->tlist));
rt_list_remove(&(rms->rlist));
/* enable interrupt */
rt_hw_interrupt_enable(level);
/* switch to next task */
rt_schedule();
}
int pthread_cond_init(pthread_cond_t *cond, const pthread_condattr_t *attr)
{
rt_err_t result;
char cond_name[RT_NAME_MAX];
static rt_uint16_t cond_num = 0;
/* parameter check */
if (cond == RT_NULL)
return EINVAL;
if ((attr != RT_NULL) && (*attr != PTHREAD_PROCESS_PRIVATE))
return EINVAL;
rt_snprintf(cond_name, sizeof(cond_name), "cond%02d", cond_num++);
if (attr == RT_NULL) /* use default value */
cond->attr = PTHREAD_PROCESS_PRIVATE;
else
cond->attr = *attr;
result = rt_sem_init(&cond->sem, cond_name, 0, RT_IPC_FLAG_FIFO);
if (result != RT_EOK)
return EINVAL;
/* detach the object from system object container */
rt_object_detach(&(cond->sem.parent.parent));
return 0;
}
/**
* This function removes a previously registered device driver
*
* @param dev the pointer of device driver structure
*
* @return the error code, RT_EOK on successfully.
*/
rt_err_t rt_device_unregister(rt_device_t dev)
{
RT_ASSERT(dev != RT_NULL);
rt_object_detach(&(dev->parent));
return RT_EOK;
}
/**
* This function will detach a mutex from resource management
*
* @param mutex the mutex object
*
* @return the operation status, RT_EOK on successful
*
* @see rt_mutex_delete
*/
rt_err_t rt_mutex_detach (rt_mutex_t mutex)
{
RT_ASSERT(mutex != RT_NULL);
/* wakeup all suspend threads */
rt_ipc_object_resume_all(&(mutex->parent));
/* detach semaphore object */
rt_object_detach(&(mutex->parent.parent));
return RT_EOK;
}
/**
* This function will detach a semaphore from resource management
*
* @param sem the semaphore object
*
* @return the operation status, RT_EOK on successful
*
* @see rt_sem_delete
*/
rt_err_t rt_sem_detach (rt_sem_t sem)
{
RT_ASSERT(sem != RT_NULL);
/* wakeup all suspend threads */
rt_ipc_object_resume_all(&(sem->parent));
/* detach semaphore object */
rt_object_detach(&(sem->parent.parent));
return RT_EOK;
}
/**
* This task will delete the rms task
*/
rt_err_t rt_rms_delete(rt_rms_t rms)
{
RT_ASSERT(rms != RT_NULL);
rt_timer_detach(&rms->thread->thread_timer);
rt_timer_detach(&rms->rms_timer);
rms->thread->stat = RT_RMS_CLOSE;
rt_object_detach((rt_object_t)rms->thread);
rt_list_remove(&(rms->thread->tlist));
rt_list_remove(&(rms->rlist));
return RT_RMS_EOK;
}
/**
* This function will detach a timer from timer management.
*
* @param timer the static timer object
*
* @return the operation status, RT_EOK on OK; RT_ERROR on error
*/
rt_err_t rt_timer_detach(rt_timer_t timer)
{
register rt_base_t level;
/* timer check */
RT_ASSERT(timer != RT_NULL);
/* disable interrupt */
level = rt_hw_interrupt_disable();
_rt_timer_remove(timer);
/* enable interrupt */
rt_hw_interrupt_enable(level);
rt_object_detach((rt_object_t)timer);
return -RT_EOK;
}
int pthread_mutex_init(pthread_mutex_t *mutex, const pthread_mutexattr_t *attr)
{
rt_err_t result;
char name[RT_NAME_MAX];
static rt_uint16_t pthread_mutex_number = 0;
if (!mutex) return EINVAL;
/* build mutex name */
rt_snprintf(name, sizeof(name), "pmtx%02d", pthread_mutex_number ++);
if (attr == RT_NULL) mutex->attr = pthread_default_mutexattr;
else mutex->attr = *attr;
/* init mutex lock */
result = rt_mutex_init(&(mutex->lock), name, RT_IPC_FLAG_FIFO);
if (result != RT_EOK) return EINVAL;
/* detach the object from system object container */
rt_object_detach(&(mutex->lock.parent.parent));
return 0;
}
/**
* This function will detach a memory pool from system object management.
*
* @param mp the memory pool object
*
* @return RT_EOK
*/
rt_err_t rt_mp_detach(struct rt_mempool *mp)
{
struct rt_thread *thread;
register rt_ubase_t temp;
/* parameter check */
RT_ASSERT(mp != RT_NULL);
/* wake up all suspended threads */
while (!rt_list_isempty(&(mp->suspend_thread)))
{
/* disable interrupt */
temp = rt_hw_interrupt_disable();
/* get next suspend thread */
thread = rt_list_entry(mp->suspend_thread.next, struct rt_thread, tlist);
/* set error code to RT_ERROR */
thread->error = -RT_ERROR;
/*
* resume thread
* In rt_thread_resume function, it will remove current thread from suspend
* list
*/
rt_thread_resume(thread);
/* decrease suspended thread count */
mp->suspend_thread_count --;
/* enable interrupt */
rt_hw_interrupt_enable(temp);
}
/* detach object */
rt_object_detach(&(mp->parent));
return RT_EOK;
}