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40 lines
863 B
C
40 lines
863 B
C
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/*
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* Copyright 2008, Haiku Inc. All rights reserved.
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* Distributed under the terms of the MIT License.
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*/
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#ifndef KERNEL_XSI_SEMAPHORE_H
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#define KERNEL_XSI_SEMAPHORE_H
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#include <sys/sem.h>
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#include <sys/cdefs.h>
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#include <OS.h>
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#include <kernel.h>
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// TODO: move into a system/posix/xsi_semaphore_defs.h file to be shared with
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// xsi_sem.cpp in libroot!
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union semun {
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int val;
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struct semid_ds *buf;
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unsigned short *array;
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};
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__BEGIN_DECLS
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extern void xsi_ipc_init();
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extern void xsi_sem_undo(team_id teamID, int32 numberOfUndos);
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/* user calls */
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int _user_xsi_semget(key_t key, int numberOfSemaphores, int flags);
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int _user_xsi_semctl(int semaphoreID, int semaphoreNumber, int command,
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union semun* args);
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status_t _user_xsi_semop(int semaphoreID, struct sembuf *semOps,
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size_t numSemOps);
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__END_DECLS
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#endif /* KERNEL_XSI_SEMAPHORE_H */
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