diff options
Diffstat (limited to 'usr/src/lib/libbc/libc/sys/common/setsid.c')
-rw-r--r-- | usr/src/lib/libbc/libc/sys/common/setsid.c | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/usr/src/lib/libbc/libc/sys/common/setsid.c b/usr/src/lib/libbc/libc/sys/common/setsid.c new file mode 100644 index 0000000000..138917bc4d --- /dev/null +++ b/usr/src/lib/libbc/libc/sys/common/setsid.c @@ -0,0 +1,68 @@ +/* + * 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 + * or http://www.opensolaris.org/os/licensing. + * 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 1993 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +#pragma ident "%Z%%M% %I% %E% SMI" + +#include <sys/errno.h> + + +static int setsid_called = 0; +static int real_setsid_called=0; +static int setsid_val, setsid_errno; + +extern int errno; + +/* setpgrp system call number, setsid command code */ +#define SYS_pgrpsys 39 +#define SYS_setsid 3 + +setsid() +{ + if (setsid_called != getpid()) { + setsid_called = getpid(); + return(bc_setsid()); + } else { + errno = EPERM; + return(-1); + } +} + + + +int +bc_setsid() +{ + if (real_setsid_called != getpid()) { + real_setsid_called = getpid(); + setsid_val = _syscall(SYS_pgrpsys, SYS_setsid); + setsid_errno = errno; + } + errno = setsid_errno; + return(setsid_val); +} + + + |