#ifndef _CONTEXT_H_
#define _CONTEXT_H_

#include <stdint.h>
#include "rtos/spinlock.h"

enum state_t {
	CONTEXT_NULL = 0x00,
	CONTEXT_RUNNING,
	CONTEXT_READY,
	CONTEXT_INTERRUPTED,
	CONTEXT_SLEEP,
	CONTEXT_SLEEP_QUEUE,
};

struct context {
	state_t state;
	uint8_t priority;
	uint32_t spinlock_held;
	uint32_t dummy;
};

uint32_t context_wait_priority_queue(struct spinlock *lock, struct context **queue);
uint32_t context_signal_queue(struct context **queue);
uint32_t context_interrupt_queue(struct context *c, struct context **queue);

#endif /* _CONTEXT_H_ */