xref: /onnv-gate/usr/src/stand/lib/sa/unistd.c (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate  * Copyright 2003 Sun Microsystems, Inc.  All rights reserved.
24*0Sstevel@tonic-gate  * Use is subject to license terms.
25*0Sstevel@tonic-gate  */
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
28*0Sstevel@tonic-gate 
29*0Sstevel@tonic-gate #include <netdb.h>
30*0Sstevel@tonic-gate #include <string.h>
31*0Sstevel@tonic-gate #include <unistd.h>
32*0Sstevel@tonic-gate #include <sys/socket.h>
33*0Sstevel@tonic-gate #include <sys/sysmacros.h>
34*0Sstevel@tonic-gate #include <sys/promif.h>
35*0Sstevel@tonic-gate 
36*0Sstevel@tonic-gate static char hostname[MAXHOSTNAMELEN] = "UNKNOWN";
37*0Sstevel@tonic-gate 
38*0Sstevel@tonic-gate /*
39*0Sstevel@tonic-gate  * Get system hostname
40*0Sstevel@tonic-gate  */
41*0Sstevel@tonic-gate int
gethostname(char * name,int namelen)42*0Sstevel@tonic-gate gethostname(char *name, int namelen)
43*0Sstevel@tonic-gate {
44*0Sstevel@tonic-gate 	(void) strlcpy(name, hostname, MIN(namelen, MAXHOSTNAMELEN));
45*0Sstevel@tonic-gate 	return (0);
46*0Sstevel@tonic-gate }
47*0Sstevel@tonic-gate 
48*0Sstevel@tonic-gate /*
49*0Sstevel@tonic-gate  * Set system hostname
50*0Sstevel@tonic-gate  */
51*0Sstevel@tonic-gate int
sethostname(char * name,int namelen)52*0Sstevel@tonic-gate sethostname(char *name, int namelen)
53*0Sstevel@tonic-gate {
54*0Sstevel@tonic-gate 	(void) strlcpy(hostname, name, MIN(namelen + 1, MAXHOSTNAMELEN));
55*0Sstevel@tonic-gate 	return (0);
56*0Sstevel@tonic-gate }
57*0Sstevel@tonic-gate 
58*0Sstevel@tonic-gate /*
59*0Sstevel@tonic-gate  * Get the current PID; in standalone we always use 2 since it's the first
60*0Sstevel@tonic-gate  * "mortal" PID.
61*0Sstevel@tonic-gate  */
62*0Sstevel@tonic-gate pid_t
getpid(void)63*0Sstevel@tonic-gate getpid(void)
64*0Sstevel@tonic-gate {
65*0Sstevel@tonic-gate 	return (2);
66*0Sstevel@tonic-gate }
67*0Sstevel@tonic-gate 
68*0Sstevel@tonic-gate /*
69*0Sstevel@tonic-gate  * Sleep for a given number of seconds
70*0Sstevel@tonic-gate  */
71*0Sstevel@tonic-gate unsigned int
sleep(unsigned int secs)72*0Sstevel@tonic-gate sleep(unsigned int secs)
73*0Sstevel@tonic-gate {
74*0Sstevel@tonic-gate 	uint_t end = (secs * 1000) + prom_gettime();
75*0Sstevel@tonic-gate 
76*0Sstevel@tonic-gate 	while (prom_gettime() < end)
77*0Sstevel@tonic-gate 		/* Null body */;
78*0Sstevel@tonic-gate 
79*0Sstevel@tonic-gate 	return (0);
80*0Sstevel@tonic-gate }
81