| 1 | /* Copyright (C) 1996-2022 Free Software Foundation, Inc. |
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| 2 | This file is part of the GNU C Library. |
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| 3 | |
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| 4 | The GNU C Library is free software; you can redistribute it and/or |
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| 5 | modify it under the terms of the GNU Lesser General Public |
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| 6 | License as published by the Free Software Foundation; either |
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| 7 | version 2.1 of the License, or (at your option) any later version. |
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| 8 | |
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| 9 | The GNU C Library is distributed in the hope that it will be useful, |
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| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 12 | Lesser General Public License for more details. |
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| 13 | |
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| 14 | You should have received a copy of the GNU Lesser General Public |
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| 15 | License along with the GNU C Library; if not, see |
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| 16 | <https://www.gnu.org/licenses/>. */ |
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| 17 | |
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| 18 | #include <libc-lock.h> |
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| 19 | #include <stdlib.h> |
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| 20 | #include <utmp.h> |
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| 21 | |
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| 22 | #include "utmp-private.h" |
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| 23 | |
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| 24 | /* We need to protect the opening of the file. */ |
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| 25 | __libc_lock_define_initialized (, __libc_utmp_lock attribute_hidden) |
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| 26 | |
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| 27 | |
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| 28 | void |
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| 29 | __setutent (void) |
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| 30 | { |
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| 31 | __libc_lock_lock (__libc_utmp_lock); |
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| 32 | |
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| 33 | __libc_setutent (); |
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| 34 | |
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| 35 | __libc_lock_unlock (__libc_utmp_lock); |
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| 36 | } |
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| 37 | libc_hidden_def (__setutent) |
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| 38 | weak_alias (__setutent, setutent) |
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| 39 | |
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| 40 | |
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| 41 | int |
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| 42 | __getutent_r (struct utmp *buffer, struct utmp **result) |
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| 43 | { |
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| 44 | int retval; |
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| 45 | |
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| 46 | __libc_lock_lock (__libc_utmp_lock); |
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| 47 | |
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| 48 | retval = __libc_getutent_r (buffer, result); |
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| 49 | |
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| 50 | __libc_lock_unlock (__libc_utmp_lock); |
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| 51 | |
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| 52 | return retval; |
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| 53 | } |
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| 54 | libc_hidden_def (__getutent_r) |
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| 55 | weak_alias (__getutent_r, getutent_r) |
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| 56 | |
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| 57 | |
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| 58 | struct utmp * |
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| 59 | __pututline (const struct utmp *data) |
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| 60 | { |
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| 61 | struct utmp *buffer; |
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| 62 | |
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| 63 | __libc_lock_lock (__libc_utmp_lock); |
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| 64 | |
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| 65 | buffer = __libc_pututline (data); |
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| 66 | |
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| 67 | __libc_lock_unlock (__libc_utmp_lock); |
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| 68 | |
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| 69 | return buffer; |
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| 70 | } |
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| 71 | libc_hidden_def (__pututline) |
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| 72 | weak_alias (__pututline, pututline) |
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| 73 | |
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| 74 | |
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| 75 | void |
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| 76 | __endutent (void) |
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| 77 | { |
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| 78 | __libc_lock_lock (__libc_utmp_lock); |
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| 79 | |
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| 80 | __libc_endutent (); |
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| 81 | |
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| 82 | __libc_lock_unlock (__libc_utmp_lock); |
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| 83 | } |
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| 84 | libc_hidden_def (__endutent) |
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| 85 | weak_alias (__endutent, endutent) |
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| 86 | |
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