mirror of https://github.com/deadw00d/AROS.git
58 lines
1.2 KiB
C
58 lines
1.2 KiB
C
#ifndef EXEC_SEMAPHORES_H
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#define EXEC_SEMAPHORES_H
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/*
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Copyright © 1995-2019, The AROS Development Team. All rights reserved.
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$Id$
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Desc: Semaphore handling
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Lang: english
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*/
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#ifndef EXEC_LISTS_H
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# include <exec/lists.h>
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#endif
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#ifndef EXEC_NODES_H
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# include <exec/nodes.h>
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#endif
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#ifndef EXEC_PORTS_H
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# include <exec/ports.h>
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#endif
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#ifndef EXEC_TASKS_H
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# include <exec/tasks.h>
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#endif
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/* Signal Semaphores */
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/* Private structure for use in ObtainSemaphore */
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struct SemaphoreRequest
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{
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struct MinNode sr_Link;
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struct Task *sr_Waiter;
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};
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struct SignalSemaphore
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{
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struct Node ss_Link;
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WORD ss_NestCount;
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struct MinList ss_WaitQueue;
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struct SemaphoreRequest ss_MultipleLink;
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struct Task *ss_Owner;
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WORD ss_QueueCount;
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};
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/* For use in Procure()/Vacate() */
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struct SemaphoreMessage
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{
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struct Message ssm_Message;
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struct SignalSemaphore *ssm_Semaphore;
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};
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#define SM_EXCLUSIVE (0L)
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#define SM_SHARED (1L)
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#endif /* EXEC_SEMAPHORES_H */
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