1/* Copyright (C) 1996-2023 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <https://www.gnu.org/licenses/>. */
17
18#include <libc-lock.h>
19#include <stdlib.h>
20#include <utmp.h>
21
22#include "utmp-private.h"
23
24/* We need to protect the opening of the file. */
25__libc_lock_define_initialized (, __libc_utmp_lock attribute_hidden)
26
27
28void
29__setutent (void)
30{
31 __libc_lock_lock (__libc_utmp_lock);
32
33 __libc_setutent ();
34
35 __libc_lock_unlock (__libc_utmp_lock);
36}
37libc_hidden_def (__setutent)
38weak_alias (__setutent, setutent)
39
40
41int
42__getutent_r (struct utmp *buffer, struct utmp **result)
43{
44 int retval;
45
46 __libc_lock_lock (__libc_utmp_lock);
47
48 retval = __libc_getutent_r (buffer, result);
49
50 __libc_lock_unlock (__libc_utmp_lock);
51
52 return retval;
53}
54libc_hidden_def (__getutent_r)
55weak_alias (__getutent_r, getutent_r)
56
57
58struct utmp *
59__pututline (const struct utmp *data)
60{
61 struct utmp *buffer;
62
63 __libc_lock_lock (__libc_utmp_lock);
64
65 buffer = __libc_pututline (data);
66
67 __libc_lock_unlock (__libc_utmp_lock);
68
69 return buffer;
70}
71libc_hidden_def (__pututline)
72weak_alias (__pututline, pututline)
73
74
75void
76__endutent (void)
77{
78 __libc_lock_lock (__libc_utmp_lock);
79
80 __libc_endutent ();
81
82 __libc_lock_unlock (__libc_utmp_lock);
83}
84libc_hidden_def (__endutent)
85weak_alias (__endutent, endutent)
86