profile.c

来自「<B>Digital的Unix操作系统VAX 4.2源码</B>」· C语言 代码 · 共 75 行

#ifndef lint
static CHTYPE *sccsid = "@(#)profile.c	4.1      7/17/90";
#endif lint

/************************************************************************
 *									*
 *			Copyright (c) 1986 by				*
 *		Digital Equipment Corporation, Maynard, MA		*
 *			All rights reserved.				*
 *									*
 *   This software is furnished under a license and may be used and	*
 *   copied  only  in accordance with the terms of such license and	*
 *   with the  inclusion  of  the  above  copyright  notice.   This	*
 *   software  or  any  other copies thereof may not be provided or	*
 *   otherwise made available to any other person.  No title to and	*
 *   ownership of the software is hereby transferred.			*
 *									*
 *   This software is  derived  from  software  received  from  the	*
 *   University    of   California,   Berkeley,   and   from   Bell	*
 *   Laboratories.  Use, duplication, or disclosure is  subject  to	*
 *   restrictions  under  license  agreements  with  University  of	*
 *   California and with AT&T.						*
 *									*
 *   The information in this software is subject to change  without	*
 *   notice  and should not be construed as a commitment by Digital	*
 *   Equipment Corporation.						*
 *									*
 *   Digital assumes no responsibility for the use  or  reliability	*
 *   of its software on equipment which is not supplied by Digital.	*
 *									*
 ************************************************************************/
/*
 *
 *   Modification History:
 *
 * 001 - Gary Gaudet for Andy Gadsby 09-mar-88
 *	i18n version of csh
 *
 *
 *
 */

char *mktemp();

monitor(lowpc, highpc, buf, bufsiz, cntsiz)
char *lowpc, *highpc;
int *buf, bufsiz;
{
	register o;
	static *sbuf, ssiz;

	if (lowpc == 0) {
		profil(0, 0, 0, 0);
		o = creat(mktemp(wtoc("profXXXXXX")), 0666);
		write(o, sbuf, ssiz<<1);
		close(o);
		return;
	}
	ssiz = bufsiz;
	buf[0] = lowpc;
	buf[1] = highpc;
	buf[2] = cntsiz;
	sbuf = buf;
	buf += 3*(cntsiz+1);
	bufsiz -= 3*(cntsiz+1);
	if (bufsiz<=0)
		return;
	o = ((highpc - lowpc)>>1) & 077777;
	if(bufsiz < o)
		o = ((long)bufsiz<<15) / o;
	else
		o = 077777;
	profil(buf, bufsiz<<1, lowpc, o<<1);
}