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NeXTSTEP 3.3 (Developer)…68k, x86, SPARC, PA-RISC]
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NeXTSTEP 3.3 Dev Intel.iso
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simple_lock.h
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C/C++ Source or Header
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1995-02-14
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742b
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32 lines
/* Copyright (c) 1991 NeXT Computer, Inc. All rights reserved.
*
* File: mach/m68k/simple_lock.h
*
* This file contains machine dependent code for exclusion
* lock handling on NeXT 68K-based products.
*
* HISTORY
* 20-May-91 Mike DeMoney (mike@next.com)
* Created.
*/
#ifndef _MACH_M68K_SIMPLE_LOCK_
#define _MACH_M68K_SIMPLE_LOCK_
struct slock {
int lock_data; /* in general 1 bit is sufficient */
};
typedef struct slock simple_lock_data_t;
typedef struct slock *simple_lock_t;
extern simple_lock_t simple_lock_alloc();
extern void simple_lock_free();
extern void (simple_lock_init)();
extern void (simple_lock)();
extern void (simple_unlock)();
extern boolean_t (simple_lock_try)();
#endif _MACH_M68K_SIMPLE_LOCK_