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, Version 1.0 only
6 * (the "License"). You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
23 /* All Rights Reserved */
24
25
26 /*
27 * Copyright 2002 Sun Microsystems, Inc. All rights reserved.
28 * Use is subject to license terms.
29 */
30
31 #pragma ident "%Z%%M% %I% %E% SMI"
32
33 #include "mail.h"
34
35 void
lock(char * user)36 lock(char *user)
37 {
38 char tbuf[80];
39
40 switch (maillock(user, 10)) {
41 case L_SUCCESS:
42 return;
43 case L_NAMELEN:
44 (void) snprintf(tbuf, sizeof (tbuf),
45 "%s: Cannot create lock file. Username '%s' is > 13 chars\n",
46 program, user);
47 break;
48 case L_TMPLOCK:
49 strcpy(tbuf, "Cannot create temp lock file\n");
50 break;
51 case L_TMPWRITE:
52 strcpy(tbuf, "Error writing pid to lock file\n");
53 break;
54 case L_MAXTRYS:
55 strcpy(tbuf, "Creation of lockfile failed after 10 tries");
56 break;
57 case L_ERROR:
58 strcpy(tbuf, "Cannot link temp lockfile to lockfile\n");
59 break;
60 case L_MANLOCK:
61 strcpy(tbuf, "Cannot set mandatory file lock on temp lockfile\n");
62 break;
63 }
64 errmsg(E_LOCK, tbuf);
65 if (sending) {
66 goback(0);
67 }
68 done(0);
69 }
70
unlock()71 void unlock() {
72 mailunlock();
73 }
74