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/* FIFO common definitions and utility functions.
*/
#ifndef __UNC_SCHED_FIFO_H__
#define __UNC_SCHED_FIFO_H__
typedef struct {
struct list_head queue;
atomic_t count;
spinlock_t lock;
unsigned int time_slice;
} fifo_domain_t;
#define FIFO_INIT(name, time_slice) \
{ LIST_HEAD_INIT(name.queue), \
ATOMIC_INIT(0), \
SPIN_LOCK_UNLOCKED, \
time_slice}
void fifo_domain_init(fifo_domain_t* fifo, unsigned int exec_budget);
void fifo_enqueue(fifo_domain_t* fifo, struct task_struct* task);
void fifo_add(fifo_domain_t* fifo, struct task_struct* task);
void lifo_add(fifo_domain_t* fifo, struct task_struct* task);
struct task_struct* __fifo_take(fifo_domain_t* fifo);
struct task_struct* fifo_take(fifo_domain_t* fifo);
struct task_struct* fifo_take_rq(fifo_domain_t* fifo, runqueue_t* rq, int cpu);
static inline int fifo_jobs_pending(fifo_domain_t* fifo)
{
return atomic_read(&fifo->count) > 0;
}
#endif
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