glibc/login/utmp-private.h

47 lines
1.8 KiB
C

/* Internal definitions and declarations for UTMP functions.
Copyright (C) 1996-2020 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>
and Paul Janzen <pcj@primenet.com>, 1996.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#ifndef _UTMP_PRIVATE_H
#define _UTMP_PRIVATE_H 1
#include <utmp.h>
#include <libc-lock.h>
/* These functions check for initialization, but not perform any
locking. */
int __libc_setutent (void) attribute_hidden;
int __libc_getutent_r (struct utmp *, struct utmp **) attribute_hidden;
int __libc_getutid_r (const struct utmp *, struct utmp *, struct utmp **)
attribute_hidden;
int __libc_getutline_r (const struct utmp *, struct utmp *, struct utmp **)
attribute_hidden;
struct utmp *__libc_pututline (const struct utmp *) attribute_hidden;
void __libc_endutent (void) attribute_hidden;
int __libc_updwtmp (const char *, const struct utmp *) attribute_hidden;
/* Current file name. */
extern const char *__libc_utmp_file_name attribute_hidden;
/* Locks access to the global data. */
__libc_lock_define (extern, __libc_utmp_lock attribute_hidden)
#endif /* utmp-private.h */