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Kernel: Semaphores and Threads can now be blocked with timeout

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Bananymous
2024-02-09 15:18:34 +02:00
parent 534b3e6a9a
commit ed0b1a86aa
17 changed files with 86 additions and 78 deletions
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16
kernel/include/kernel/Scheduler.h
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@@ -19,9 +19,9 @@ namespace Kernel
void reschedule();
void reschedule_if_idling();
void set_current_thread_sleeping(uint64_t);
void set_current_thread_sleeping(uint64_t wake_time);
void block_current_thread(Semaphore*);
void block_current_thread(Semaphore*, uint64_t wake_time);
void unblock_threads(Semaphore*);
// Makes sleeping or blocked thread with tid active.
void unblock_thread(pid_t tid);
@@ -36,6 +36,8 @@ namespace Kernel
private:
Scheduler() = default;
void set_current_thread_sleeping_impl(uint64_t wake_time);
void wake_threads();
[[nodiscard]] bool save_current_thread();
void remove_and_advance_current_thread();
@@ -50,18 +52,14 @@ namespace Kernel
: thread(thread)
{}
Thread* thread;
union
{
uint64_t wake_time;
Semaphore* semaphore;
};
Thread* thread;
uint64_t wake_time;
Semaphore* semaphore;
};
Thread* m_idle_thread { nullptr };
BAN::LinkedList<SchedulerThread> m_active_threads;
BAN::LinkedList<SchedulerThread> m_sleeping_threads;
BAN::LinkedList<SchedulerThread> m_blocking_threads;
BAN::LinkedList<SchedulerThread>::iterator m_current_thread;