Function thread_destroy

kernel/generic/src/proc/thread.c:430–459

Destroy thread memory structure * * Detach thread from all queues, cpus etc. and destroy it. * * @param thread Thread to be destroyed. * @param irq_res Indicate whether it should unlock thread->lock * in interrupts-restore mode. * */

 *
 */
void thread_destroy(thread_t *thread, bool irq_res)
{
	assert(irq_spinlock_locked(&thread->lock));
	assert((thread->state == Exiting) || (thread->state == Lingering));
	assert(thread->task);
	assert(thread->cpu);

	irq_spinlock_lock(&thread->cpu->lock, false);
	if (thread->cpu->fpu_owner == thread)
		thread->cpu->fpu_owner = NULL;
	irq_spinlock_unlock(&thread->cpu->lock, false);

	irq_spinlock_pass(&thread->lock, &threads_lock);

	odict_remove(&thread->lthreads);

	irq_spinlock_pass(&threads_lock, &thread->task->lock);

	/*
	 * Detach from the containing task.
	 */
	list_remove(&thread->th_link);
	irq_spinlock_unlock(&thread->task->lock, irq_res);

	/*
	 * Drop the reference to the containing task.
	 */
	task_release(thread->task);
	slab_free(thread_cache, thread);
}

/** Make the thread visible to the system.
 *