#ifndef EXEC_SEMAPHORES_H
#define EXEC_SEMAPHORES_H
/*
** $Filename: exec/semaphores.h $
** $Release: 2.04 Includes, V37.4 $
** $Revision: 36.6 $
** $Date: 90/05/10 $
**
** Definitions for locking functions.
**
** (C) Copyright 1986-1999 Amiga, Inc.
** All Rights Reserved
*/
#ifndef EXEC_NODES_H
#include "exec/nodes.h"
#endif /* EXEC_NODES_H */
#ifndef EXEC_LISTS_H
#include "exec/lists.h"
#endif /* EXEC_LISTS_H */
#ifndef EXEC_PORTS_H
#include "exec/ports.h"
#endif /* EXEC_PORTS_H */
#ifndef EXEC_TASKS_H
#include "exec/tasks.h"
#endif /* EXEC_TASKS_H */
/****** SignalSemaphore *********************************************/
/* Private structure used by ObtainSemaphore() */
struct SemaphoreRequest {
struct MinNode sr_Link;
struct Task *sr_Waiter;
};
/* Signal Semaphore data structure */
struct SignalSemaphore {
struct Node ss_Link;
WORD ss_NestCount;
struct MinList ss_WaitQueue;
struct SemaphoreRequest ss_MultipleLink;
struct Task *ss_Owner;
WORD ss_QueueCount;
};
/****** Semaphore (Procure/Vacate type) *****************************/
struct Semaphore {
struct MsgPort sm_MsgPort;
WORD sm_Bids;
};
#define sm_LockMsg mp_SigTask
#endif /* EXEC_SEMAPHORES_H */