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fix tasks being freed super rarely (now it seems there's a lot of bugs in the memory allocator)

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This commit is contained in:
Stepan Usatiuk
2023-10-21 14:48:00 +02:00
parent 9c4a455543
commit dc717ab981
1 changed files with 11 additions and 9 deletions
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20
src/arch/x86/task.cpp
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@@ -156,14 +156,16 @@ static struct TaskListNode *pop_front_node(struct TaskList *list) {
static void task_freer() {
while (true) {
LockGuard l(TasksToFree_lock);
if (!peek_front(&TasksToFree)) {
yield_self();
continue;
}
assert2(peek_front(&TasksToFree) != NULL, "Sanity check");
while (peek_front(&TasksToFree) && peek_front(&TasksToFree)->state == TS_TO_REMOVE) {
free_task(pop_front(&TasksToFree));
sleep_self(10000);
{
LockGuard l(TasksToFree_lock);
if (peek_front(&TasksToFree) == NULL)
continue;
assert2(peek_front(&TasksToFree) != NULL, "Sanity check");
while (peek_front(&TasksToFree) && peek_front(&TasksToFree)->state == TS_TO_REMOVE) {
free_task(pop_front(&TasksToFree));
}
}
}
}
@@ -264,7 +266,7 @@ extern "C" void switch_task(struct task_frame *cur_frame) {
}
if (TasksToFreeTemp.cur && !UnblockedTasks_lock.test() && TasksToFree_lock.try_lock()) {
if (!TasksToFree.cur) {
if (peek_front(&TasksToFree) == NULL) {
TasksToFree.cur = TasksToFreeTemp.cur;
TasksToFree.last = TasksToFreeTemp.last;
TasksToFreeTemp.cur = NULL;