include/libc-internal.h

   1 /* Internal prototype declarations that don't fit anywhere else.
   2    Copyright (C) 2000-2017 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    <http://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 /* This function will be called from _init in init-first.c.  */
  28 extern void __libc_global_ctors (void);
  29
  30 /* Discover the tick frequency of the machine if something goes wrong,
  31    we return 0, an impossible hertz.  */
  32 extern int __profile_frequency (void);
  33 libc_hidden_proto (__profile_frequency)
  34
  35 /* Hooks for the instrumenting functions.  */
  36 extern void __cyg_profile_func_enter (void *this_fn, void *call_site);
  37 extern void __cyg_profile_func_exit (void *this_fn, void *call_site);
  38
  39 /* Get frequency of the system processor.  */
  40 extern hp_timing_t __get_clockfreq (void);
  41
  42 /* Free all allocated resources.  */
  43 extern void __libc_freeres (void);
  44 libc_hidden_proto (__libc_freeres)
  45
  46 /* Free resources stored in thread-local variables on thread exit.  */
  47 extern void __libc_thread_freeres (void);
  48
  49 /* Define and initialize `__progname' et. al.  */
  50 extern void __init_misc (int, char **, char **) attribute_hidden;
  51
  52 # if IS_IN (rtld) && !defined NO_RTLD_HIDDEN
  53 extern __typeof (__profile_frequency) __profile_frequency attribute_hidden;
  54 # endif
  55
  56 extern int __libc_multiple_libcs attribute_hidden;
  57
  58 #endif /* _LIBC_INTERNAL  */