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/* Test verification functions for memory access checks.
Copyright (C) 2025-2026 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 SUPPORT_CHECK_MEM_ACCESS_H
#define SUPPORT_CHECK_MEM_ACCESS_H
#include <stdbool.h>
#include <sys/cdefs.h>
__BEGIN_DECLS
/* To check if the a memory region is inaccessible, this function tries
read / write on the provided address ADDR and checks if a SIGSEGV is
generated. This function is not thread-safe and it changes signal
handlers for SIGSEGV and SIGBUS.
If WRITE is true, only the write operation is checked, otherwise only
the read operation is checked. */
bool check_mem_access (const void *addr, bool write);
__END_DECLS
#endif // SUPPORT_CHECK_MEM_ACCESS_H
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