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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