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Kernel: Add Semaphore to block threads

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Bananymous
2023-03-30 18:45:47 +03:00
parent 7b7f4eb141
commit c2e3b422cc
7 changed files with 129 additions and 7 deletions
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13
kernel/include/kernel/Scheduler.h
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@@ -2,6 +2,7 @@
#include <BAN/LinkedList.h>
#include <BAN/Memory.h>
#include <kernel/Semaphore.h>
#include <kernel/Thread.h>
namespace Kernel
@@ -21,6 +22,9 @@ namespace Kernel
void set_current_thread_sleeping(uint64_t);
[[noreturn]] void set_current_thread_done();
void block_current_thread(Semaphore*);
void unblock_threads(Semaphore*);
BAN::RefPtr<Thread> current_thread();
private:
@@ -47,9 +51,18 @@ namespace Kernel
uint64_t wake_time;
};
struct BlockingThread
{
BlockingThread(const BAN::RefPtr<Thread>& thread, Semaphore* semaphore) : thread(thread), semaphore(semaphore) {}
BAN::RefPtr<Thread> thread;
Semaphore* semaphore;
uint8_t padding[sizeof(uint64_t) - sizeof(Semaphore*)];
};
BAN::RefPtr<Thread> m_idle_thread;
BAN::LinkedList<ActiveThread> m_active_threads;
BAN::LinkedList<SleepingThread> m_sleeping_threads;
BAN::LinkedList<BlockingThread> m_blocking_threads;
BAN::LinkedList<ActiveThread>::iterator m_current_thread;