#ifndef __MSG_QUEUE_H_INCLUDED
#define __MSG_QUEUE_H_INCLUDED

#include "wintype.h"
#include "msg.h"

typedef struct tagMSG_QUEUE {
  struct tagMSG_QUEUE *next;
  PMSG startbound;
  PMSG endbound;
  PMSG head;
  PMSG tail;
  int nentries;
  pthread_mutex_t mutex;
  MSG messagestore[0];
} MSG_QUEUE, *PMSG_QUEUE;

#define PEEK_REMOVE   0x0001
#define PEEK_NOREMOVE 0x0000

extern PMSG_QUEUE MqAlloc(int nentries);
extern void MqDestroy(PMSG_QUEUE queue);
extern void MqPost(MSG_QUEUE volatile *queue, uintptr_t target, unsigned message, const uintptr_t *attrs,
		   int nattrs);
extern void MqPost1(MSG_QUEUE volatile *queue, uintptr_t target, unsigned message, uintptr_t attr1);
extern int MqPeek(MSG_QUEUE volatile *queue, PMSG msg, unsigned flags);

#endif /* __MSG_QUEUE_H_INCLUDED */