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#ifndef _LINUX_WAIT_H
#define _LINUX_WAIT_H
 
#define WNOHANG		0x00000001
#define WUNTRACED	0x00000002
 
#define __WCLONE	0x80000000
 
#ifdef __KERNEL__
 
struct wait_queue {
	struct task_struct * task;
	struct wait_queue * next;
};
 
#define WAIT_QUEUE_HEAD(x) ((struct wait_queue *)((x)-1))
 
static inline void init_waitqueue(struct wait_queue **q)
{
	*q = WAIT_QUEUE_HEAD(q);
}
 
static inline int waitqueue_active(struct wait_queue **q)
{
	struct wait_queue *head = *q;
	return head && head != WAIT_QUEUE_HEAD(q);
}
 
struct select_table_entry {
	struct wait_queue wait;
	struct wait_queue ** wait_address;
};
 
typedef struct select_table_struct {
	int nr;
	struct select_table_entry * entry;
} select_table;
 
#define __MAX_SELECT_TABLE_ENTRIES (4096 / sizeof (struct select_table_entry))
 
#endif /* __KERNEL__ */
 
#endif