include/libc-internal.h

   1 /* Internal prototype declarations that don't fit anywhere else.
   2    Copyright (C) 2000-2020 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.  */
  25 extern 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.  */
  29 extern int __profile_frequency (void);
  30 libc_hidden_proto (__profile_frequency)
  31
  32 /* Hooks for the instrumenting functions.  */
  33 extern void __cyg_profile_func_enter (void *this_fn, void *call_site);
  34 extern void __cyg_profile_func_exit (void *this_fn, void *call_site);
  35
  36 /* Free all allocated resources.  */
  37 extern void __libc_freeres (void);
  38 libc_hidden_proto (__libc_freeres)
  39
  40 /* Free resources stored in thread-local variables on thread exit.  */
  41 extern void __libc_thread_freeres (void);
  42
  43 /* Define and initialize `__progname' et. al.  */
  44 extern void __init_misc (int, char **, char **) attribute_hidden;
  45
  46 # if IS_IN (rtld) && !defined NO_RTLD_HIDDEN
  47 extern __typeof (__profile_frequency) __profile_frequency attribute_hidden;
  48 # endif
  49
  50 extern int __libc_multiple_libcs attribute_hidden;
  51
  52 #endif /* _LIBC_INTERNAL  */