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/*
 * EDF common data structures and utility functions shared by all EDF
 * based scheduler plugins
 */

/* CLEANUP: Add comments and make it less messy.
 *
 */

#ifndef __UNC_EDF_COMMON_H__
#define __UNC_EDF_COMMON_H__

#include <litmus/rt_domain.h>

void edf_domain_init(rt_domain_t* rt, check_resched_needed_t resched,
		     release_jobs_t release);

int edf_higher_prio(struct task_struct* first,
		    struct task_struct* second);

#ifdef CONFIG_LITMUS_LOCKING
/* priority comparison without priority inheritance */
int edf_higher_base_prio(struct task_struct* first,
			 struct task_struct* second);

int edf_pending_order(struct bheap_node* a, struct bheap_node* b);
#endif

int edf_ready_order(struct bheap_node* a, struct bheap_node* b);

int edf_preemption_needed(rt_domain_t* rt, struct task_struct *t);

#endif