usr/src/lib/libc/port/sys/pgrpsys.c

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21
  22 /*
  23  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 #pragma ident   "%Z%%M% %I%     %E% SMI"
  28
  29 #pragma weak _getpgrp = getpgrp
  30 #pragma weak _setpgrp = setpgrp
  31 #pragma weak _getsid = getsid
  32 #pragma weak _setsid = setsid
  33 #pragma weak _getpgid = getpgid
  34 #pragma weak _setpgid = setpgid
  35
  36 #include "lint.h"
  37 #include <sys/types.h>
  38 #include <unistd.h>
  39 #include <sys/syscall.h>
  40
  41 pid_t
  42 getpgrp(void)
  43 {
  44         return ((pid_t)syscall(SYS_pgrpsys, 0));
  45 }
  46
  47 pid_t
  48 setpgrp(void)
  49 {
  50         return ((pid_t)syscall(SYS_pgrpsys, 1));
  51 }
  52
  53 pid_t
  54 getsid(pid_t pid)
  55 {
  56         return ((pid_t)syscall(SYS_pgrpsys, 2, pid));
  57 }
  58
  59 pid_t
  60 setsid(void)
  61 {
  62         return ((pid_t)syscall(SYS_pgrpsys, 3));
  63 }
  64
  65 pid_t
  66 getpgid(pid_t pid)
  67 {
  68         return ((pid_t)syscall(SYS_pgrpsys, 4, pid));
  69 }
  70
  71 int
  72 setpgid(pid_t pid, pid_t pgid)
  73 {
  74         return (syscall(SYS_pgrpsys, 5, pid, pgid));
  75 }