This is lock.h in view mode; [Download] [Up]
/* * Mach Operating System * Copyright (c) 1989 Carnegie-Mellon University * Copyright (c) 1988 Carnegie-Mellon University * Copyright (c) 1987 Carnegie-Mellon University * All rights reserved. The CMU software License Agreement specifies * the terms and conditions for use and redistribution. */ /* * HISTORY * 11-Jul-91 Gregg Kellogg (gk) at NeXT * Initial version. */ /* * File: kernserv/lock.h * Author: Avadis Tevanian, Jr., Michael Wayne Young * Copyright (C) 1985, Avadis Tevanian, Jr., Michael Wayne Young * * Exported locking primitives definitions * */ #ifndef _KERN_LOCK_H_ #define _KERN_LOCK_H_ #import <mach/boolean.h> /* * A simple spin lock. */ #import <mach/machine/simple_lock.h> typedef void *lock_t; /* Sleep locks must work even if no multiprocessing */ extern lock_t lock_alloc(); extern void lock_free(); extern void lock_init(); extern void lock_sleepable(); extern void lock_write(); extern void lock_read(); extern void lock_done(); extern boolean_t lock_read_to_write(); extern void lock_write_to_read(); extern boolean_t lock_try_write(); extern boolean_t lock_try_read(); extern boolean_t lock_try_read_to_write(); #define lock_read_done(l) lock_done(l) #define lock_write_done(l) lock_done(l) extern void lock_set_recursive(); extern void lock_clear_recursive(); #endif
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.