39 lines
828 B
C
39 lines
828 B
C
/*
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* This file is part of the UCB release of Plan 9. It is subject to the license
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* terms in the LICENSE file found in the top-level directory of this
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* distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
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* part of the UCB release of Plan 9, including this file, may be copied,
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* modified, propagated, or distributed except according to the terms contained
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* in the LICENSE file.
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*/
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#if !defined(_RESEARCH_SOURCE) && !defined(_PLAN9_SOURCE)
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This header file is an extension of ANSI/POSIX
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#endif
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#ifndef __LOCK_H
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#define __LOCK_H
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#pragma lib "/$M/lib/ape/libap.a"
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#include <u.h>
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typedef struct
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{
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int val;
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} Lock;
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern void lock(Lock*);
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extern void unlock(Lock*);
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extern int canlock(Lock*);
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extern int tas(int*);
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#ifdef __cplusplus
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}
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#endif
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#endif
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