1/* Internal prototype declarations that don't fit anywhere else.
2 Copyright (C) 2000-2021 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19#ifndef _LIBC_INTERNAL
20# define _LIBC_INTERNAL 1
21
22#include <hp-timing.h>
23
24/* Initialize the `__libc_enable_secure' flag. */
25extern void __libc_init_secure (void);
26
27/* Discover the tick frequency of the machine if something goes wrong,
28 we return 0, an impossible hertz. */
29extern int __profile_frequency (void);
30libc_hidden_proto (__profile_frequency)
31
32/* Hooks for the instrumenting functions. */
33extern void __cyg_profile_func_enter (void *this_fn, void *call_site);
34extern void __cyg_profile_func_exit (void *this_fn, void *call_site);
35
36/* Free all allocated resources. */
37extern void __libc_freeres (void);
38libc_hidden_proto (__libc_freeres)
39
40/* Free resources stored in thread-local variables on thread exit. */
41extern void __libc_thread_freeres (void)
42#if PTHREAD_IN_LIBC
43 attribute_hidden
44#endif
45 ;
46
47/* Define and initialize `__progname' et. al. */
48extern void __init_misc (int, char **, char **) attribute_hidden;
49
50# if IS_IN (rtld)
51extern __typeof (__profile_frequency) __profile_frequency attribute_hidden;
52# endif
53
54#ifdef SHARED
55/* True if this libc belongs to the initially loaded program (i.e., it
56 is not for an audit module, not loaded via dlmopen, and not loaded
57 via static dlopen either). */
58extern _Bool __libc_initial attribute_hidden;
59#endif
60
61#endif /* _LIBC_INTERNAL */
62