pgrpsys.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
#ident "%Z%%M% %I% %E% SMI" /* from SVr4.0 1.78 */
#include <sys/sysmacros.h>
/* ARGSUSED */
int
{
register int retval = 0;
switch (flag) {
case 1: /* setpgrp() */
sess_create();
} else
case 3: /* setsid() */
}
sess_create();
case 5: /* setpgid() */
{
if (pid == 0)
if (p == NULL) {
}
break;
}
}
}
}
}
if (pgid == 0)
}
break;
/*
* We need to protect p_pgidp with p_lock because
* /proc looks at it while holding only p_lock.
*/
mutex_enter(&p->p_lock);
pgexit(p);
mutex_exit(&p->p_lock);
} else {
register proc_t *q;
}
/*
* See comment above about p_lock and /proc
*/
mutex_enter(&p->p_lock);
pgexit(p);
mutex_exit(&p->p_lock);
}
break;
}
case 0: /* getpgrp() */
break;
case 2: /* getsid() */
case 4: /* getpgid() */
}
}
if (flag == 2)
else
break;
}
return (retval);
}