glibc/include/libc-internal.h
Florian Weimer eb0e50e9a1 Define __libc_initial for the static libc
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
2024-08-09 16:17:14 +02:00

62 lines
2.1 KiB
C

/* Internal prototype declarations that don't fit anywhere else.
Copyright (C) 2000-2024 Free Software Foundation, Inc.
This file is part of the GNU C Library.
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 _LIBC_INTERNAL
# define _LIBC_INTERNAL 1
#include <hp-timing.h>
/* Discover the tick frequency of the machine if something goes wrong,
we return 0, an impossible hertz. */
extern int __profile_frequency (void);
libc_hidden_proto (__profile_frequency)
/* Hooks for the instrumenting functions. */
extern void __cyg_profile_func_enter (void *this_fn, void *call_site);
extern void __cyg_profile_func_exit (void *this_fn, void *call_site);
/* Free all allocated resources. */
extern void __libc_freeres (void);
libc_hidden_proto (__libc_freeres)
/* Free resources stored in thread-local variables on thread exit. */
extern void __libc_thread_freeres (void)
#if PTHREAD_IN_LIBC
attribute_hidden
#endif
;
/* Define and initialize `__progname' et. al. */
extern void __init_misc (int, char **, char **) attribute_hidden;
# if IS_IN (rtld)
extern __typeof (__profile_frequency) __profile_frequency attribute_hidden;
# endif
#ifdef SHARED
/* True if this libc belongs to the initially loaded program (i.e., it
is not for an audit module, not loaded via dlmopen, and not loaded
via static dlopen either). */
extern _Bool __libc_initial attribute_hidden;
#else
/* The static libc is always the initial namespace. */
# define __libc_initial ((_Bool) 1)
#endif
#endif /* _LIBC_INTERNAL */