File:  [Power 6/32 Unix Tahoe 4.2BSD] / cci / usr / src / usr.lib / libU77 / wait_.c
Revision 1.1.1.1 (vendor branch): download - view: text, annotated - select for diffs
Sun Jul 28 12:28:00 2019 UTC (6 years, 11 months ago) by root
Branches: bsd, MAIN
CVS tags: v121, HEAD
Power 6/32 Unix version 1.21

/*
 * Copyright (c) 1980 Regents of the University of California.
 * All rights reserved.  The Berkeley software License Agreement
 * specifies the terms and conditions for redistribution.
 *
 *	@(#)wait_.c	5.1	6/7/85
 */

/*
 * wait for a child to die
 *
 * calling sequence:
 *	integer wait, status, chilid
 *	chilid = wait(status)
 * where:
 *	chilid will be	- >0 if child process id
 *			- <0 if (negative of) system error code
 *	status will contain the exit status of the child
 *		(see wait(2))
 */

extern int errno;

long wait_(status)
long *status;
{
	int stat;
	int chid = wait(&stat);
	if (chid < 0)
		return((long)(-errno));
	*status = (long)stat;
	return((long)chid);
}

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