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Support blocking task.

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TXuian
2024-04-28 15:49:41 +08:00
parent a24d73f710
commit e5df6012af
6 changed files with 64 additions and 6 deletions
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32
Ubiquitous/XiZi_AIoT/softkernel/task/task.c
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@@ -48,6 +48,7 @@ static void _task_manager_init()
for (int i = 0; i < TASK_MAX_PRIORITY; i++) {
doubleListNodeInit(&xizi_task_manager.task_list_head[i]);
}
doubleListNodeInit(&xizi_task_manager.task_blocked_list_head);
// init task (slab) allocator
slab_init(&xizi_task_manager.task_allocator, sizeof(struct TaskMicroDescriptor));
slab_init(&xizi_task_manager.task_buddy_allocator, sizeof(struct KBuddy));
@@ -271,11 +272,7 @@ static void _task_yield_noschedule(struct TaskMicroDescriptor* task, bool blocki
// rearrage current task position
doubleListDel(&task->node);
if (task->state == RUNNING) {
if (!blocking) {
task->state = READY;
} else {
task->state = BLOCKED;
}
task->state = READY;
}
task->remain_tick = TASK_CLOCK_TICK;
if (task == cur_cpu()->task) {
@@ -284,6 +281,28 @@ static void _task_yield_noschedule(struct TaskMicroDescriptor* task, bool blocki
doubleListAddOnBack(&task->node, &xizi_task_manager.task_list_head[task->priority]);
}
static void _task_block(struct TaskMicroDescriptor* task)
{
assert(task != NULL);
assert(task->state != RUNNING);
doubleListDel(&task->node);
if (xizi_task_manager.task_list_head[task->priority].next == &xizi_task_manager.task_list_head[task->priority]) {
ready_task_priority &= ~(1 << task->priority);
}
task->state = BLOCKED;
doubleListAddOnHead(&task->node, &xizi_task_manager.task_blocked_list_head);
}
static void _task_unblock(struct TaskMicroDescriptor* task)
{
assert(task != NULL);
assert(task->state == BLOCKED);
doubleListDel(&task->node);
task->state = READY;
doubleListAddOnHead(&task->node, &xizi_task_manager.task_list_head[task->priority]);
ready_task_priority |= (1 << task->priority);
}
static void _set_cur_task_priority(int priority)
{
if (priority < 0 || priority >= TASK_MAX_PRIORITY) {
@@ -312,6 +331,9 @@ struct XiziTaskManager xizi_task_manager = {
.next_runnable_task = max_priority_runnable_task,
.task_scheduler = _scheduler,
.task_block = _task_block,
.task_unblock = _task_unblock,
.task_yield_noschedule = _task_yield_noschedule,
.set_cur_task_priority = _set_cur_task_priority
};