feat: initial locking etc.

kernel/tasks/locking.h

@@ -5,4 +5,36 @@
 #ifndef NEW_KERNEL_LOCKING_H
 #define NEW_KERNEL_LOCKING_H
 
+#include <types.h>
+
+typedef struct semaphore semaphore_t;
+
+typedef struct mutex mutex_t;
+
+typedef struct spinlock spinlock_t;
+
+semaphore_t *semaphore_create();
+
+void semaphore_wait(semaphore_t *semaphore);
+
+void semaphore_signal(semaphore_t *semaphore);
+
+void semaphore_free(semaphore_t *semaphore);
+
+mutex_t *mutex_create();
+
+void mutex_acquire(mutex_t *mutex);
+
+void mutex_release(mutex_t *mutex);
+
+void mutex_free(mutex_t *mutex);
+
+spinlock_t *spinlock_create();
+
+void spinlock_acquire(spinlock_t *spinlock);
+
+void spinlock_release(spinlock_t *spinlock);
+
+void spinlock_free(spinlock_t *spinlock);
+
 #endif //NEW_KERNEL_LOCKING_H