[unix-history] / usr / src / usr.lib / libU77 / wait_.c

/*
 * 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);
}
Commit	Line	Data
5a20a8e6	1	/*
161423a6 RE	2	* Copyright (c) 1980 Regents of the University of California.
	3	* All rights reserved. The Berkeley software License Agreement
	4	* specifies the terms and conditions for redistribution.
5a20a8e6	5	*
95f51977	6	* @(#)wait_.c 5.1 6/7/85
161423a6 RE	7	*/
	8
	9	/*
5a20a8e6 DW	10	* wait for a child to die
	11	*
	12	* calling sequence:
	13	* integer wait, status, chilid
	14	* chilid = wait(status)
	15	* where:
	16	* chilid will be - >0 if child process id
	17	* - <0 if (negative of) system error code
	18	* status will contain the exit status of the child
	19	* (see wait(2))
	20	*/
	21
	22	extern int errno;
	23
	24	long wait_(status)
	25	long *status;
	26	{
	27	int stat;
	28	int chid = wait(&stat);
	29	if (chid < 0)
	30	return((long)(-errno));
	31	*status = (long)stat;
	32	return((long)chid);
	33	}