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#ifndef _LINUX_WAIT_H
#define _LINUX_WAIT_H
#define WNOHANG 0x00000001
#define WUNTRACED 0x00000002
#define __WCLONE 0x80000000
#ifdef __KERNEL__
#include <asm/page.h>
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);
}
#endif /* __KERNEL__ */
#endif
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