#pragma once
#include "sys/types.h"

struct thread;

// Enter a newly-created task
extern void context_enter(struct thread *thr);
// Enter a task from exec
extern void context_exec_enter(uintptr_t arg, struct thread *thr, uintptr_t stack3, uintptr_t entry);
// Stores current task context, loads new one's
extern void context_switch_to(struct thread *thr, struct thread *from);
// No current task, only load the first task to begin execution
extern void context_switch_first(struct thread *thr);

extern void context_sigenter(uintptr_t entry, uintptr_t stack, int signum);
extern void context_sigreturn(void);