xref: /onnv-gate/usr/src/cmd/mail/lock.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 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
23*0Sstevel@tonic-gate /*	  All Rights Reserved  	*/
24*0Sstevel@tonic-gate 
25*0Sstevel@tonic-gate 
26*0Sstevel@tonic-gate /*
27*0Sstevel@tonic-gate  * Copyright 2002 Sun Microsystems, Inc.  All rights reserved.
28*0Sstevel@tonic-gate  * Use is subject to license terms.
29*0Sstevel@tonic-gate  */
30*0Sstevel@tonic-gate 
31*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
32*0Sstevel@tonic-gate 
33*0Sstevel@tonic-gate #include "mail.h"
34*0Sstevel@tonic-gate 
35*0Sstevel@tonic-gate void
lock(char * user)36*0Sstevel@tonic-gate lock(char *user)
37*0Sstevel@tonic-gate {
38*0Sstevel@tonic-gate 	char	tbuf[80];
39*0Sstevel@tonic-gate 
40*0Sstevel@tonic-gate 	switch (maillock(user, 10)) {
41*0Sstevel@tonic-gate 	case L_SUCCESS:
42*0Sstevel@tonic-gate 	    return;
43*0Sstevel@tonic-gate 	case L_NAMELEN:
44*0Sstevel@tonic-gate 	    (void) snprintf(tbuf, sizeof (tbuf),
45*0Sstevel@tonic-gate 		"%s: Cannot create lock file. Username '%s' is > 13 chars\n",
46*0Sstevel@tonic-gate 		program, user);
47*0Sstevel@tonic-gate 	    break;
48*0Sstevel@tonic-gate 	case L_TMPLOCK:
49*0Sstevel@tonic-gate 	    strcpy(tbuf, "Cannot create temp lock file\n");
50*0Sstevel@tonic-gate 	    break;
51*0Sstevel@tonic-gate 	case L_TMPWRITE:
52*0Sstevel@tonic-gate 	    strcpy(tbuf, "Error writing pid to lock file\n");
53*0Sstevel@tonic-gate 	    break;
54*0Sstevel@tonic-gate 	case L_MAXTRYS:
55*0Sstevel@tonic-gate 	    strcpy(tbuf, "Creation of lockfile failed after 10 tries");
56*0Sstevel@tonic-gate 	    break;
57*0Sstevel@tonic-gate 	case L_ERROR:
58*0Sstevel@tonic-gate 	    strcpy(tbuf, "Cannot link temp lockfile to lockfile\n");
59*0Sstevel@tonic-gate 	    break;
60*0Sstevel@tonic-gate 	case L_MANLOCK:
61*0Sstevel@tonic-gate 	    strcpy(tbuf, "Cannot set mandatory file lock on temp lockfile\n");
62*0Sstevel@tonic-gate 	    break;
63*0Sstevel@tonic-gate 	}
64*0Sstevel@tonic-gate 	errmsg(E_LOCK, tbuf);
65*0Sstevel@tonic-gate 	if (sending) {
66*0Sstevel@tonic-gate 		goback(0);
67*0Sstevel@tonic-gate 	}
68*0Sstevel@tonic-gate 	done(0);
69*0Sstevel@tonic-gate }
70*0Sstevel@tonic-gate 
unlock()71*0Sstevel@tonic-gate void unlock() {
72*0Sstevel@tonic-gate 	mailunlock();
73*0Sstevel@tonic-gate }
74