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/*
* Copyright (c) 1982, 1986 Regents of the University of California.
* All rights reserved. The Berkeley software License Agreement
* specifies the terms and conditions for redistribution.
*
* @(#)callout.h 7.1 (Berkeley) 6/4/86
*
* HISTORY
* 17-Feb-90 Gregg Kellogg (gk) at NeXT
* Added callout_lock.
*
* 22-Dec-87 Gregg Kellogg (gk) at NeXT
* Added c_timeval entry for maintaining microsecond accurate
* timeouts.
*/
#ifndef __CALLOUT__
#define __CALLOUT__
typedef int (*func)(void *);
#if NeXT
#define CALLOUT_PRI_SOFTINT0 0
#define CALLOUT_PRI_SOFTINT1 1
#define CALLOUT_PRI_RETRACE 2
#define CALLOUT_PRI_DSP 3
#define CALLOUT_PRI_THREAD 4 /* run in a thread */
#define CALLOUT_PRI_NOW 5 /* must be last */
#define N_CALLOUT_PRI 6
#else
/*
* The callout structure is for
* a routine arranging
* to be called by the clock interrupt
* (clock.c) with a specified argument,
* in a specified amount of time.
* Used, for example, to time tab
* delays on typewriters.
*/
struct callout {
int c_time; /* incremental time */
void *c_arg; /* argument to routine */
func c_func; /* routine */
struct callout *c_next;
};
#import <kern/lock.h>
extern struct callout *callfree, *callout, calltodo;
extern int ncallout;
decl_simple_lock_data(extern,callout_lock)
#endif
#endif
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.