[unix-history] / usr / src / usr.bin / f77 / libU77 / fork_.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.
 *
 *	@(#)fork_.c	5.1	%G%
 */

/*
 * fork a copy of this process
 *
 * calling sequence:
 *	integer fork
 *	ierror = fork()
 * where:
 *	ierror will be	- child pid if parent and successful
 *			- 0 if child
 *			- -errno if unsuccessful
 */

#include	"../libI77/fiodefs.h"

extern int errno;

long fork_()
{
	long i;

	for (i = 0; i < MXUNIT; i++)
		flush_(&i);
	i = (long)fork();
	if (i < 0)
		return((long)(-errno));
	return(i);
}
Commit	Line	Data
a918866c	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.
a918866c	5	*
161423a6 RE	6	* @(#)fork_.c 5.1 %G%
	7	*/
	8
	9	/*
a918866c DW	10	* fork a copy of this process
	11	*
	12	* calling sequence:
	13	* integer fork
	14	* ierror = fork()
	15	* where:
	16	* ierror will be - child pid if parent and successful
	17	* - 0 if child
	18	* - -errno if unsuccessful
	19	*/
	20
	21	#include "../libI77/fiodefs.h"
	22
	23	extern int errno;
	24
	25	long fork_()
	26	{
	27	long i;
	28
	29	for (i = 0; i < MXUNIT; i++)
	30	flush_(&i);
	31	i = (long)fork();
	32	if (i < 0)
	33	return((long)(-errno));
	34	return(i);
	35	}