/*
 * Thread creation userspace helpers
 *
 * Copyright (C) 2009 B Labs Ltd.
 */
#ifndef __LIB_THREAD_H__
#define __LIB_THREAD_H__

/* A helper macro easing utcb space creation. */
#define DECLARE_UTCB_SPACE(name, entries) \
	char name[(entries + PAGE_SIZE / UTCB_SIZE) * UTCB_SIZE] ALIGN(PAGE_SIZE);

int l4_set_stack_params(unsigned long stack_top,
			unsigned long stack_bottom,
			unsigned long stack_size);
int l4_set_utcb_params(unsigned long utcb_start, unsigned long utcb_end);

int l4_thread_create(struct task_ids *ids, unsigned int flags,
			int (*func)(void *), void *arg);
void l4_thread_exit(int retval);

#endif /* __LIB_THREAD_H__ */