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/* Support for allocations with narrow capability bounds. Generic version.
Copyright (C) 2022 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
<http://www.gnu.org/licenses/>. */
#ifndef _LIBC_CAP_H
#define _LIBC_CAP_H 1
/* Larger allocations may need special alignment via cap_align. */
#define __CAP_ALIGN_THRESHOLD SIZE_MAX
/* Error if the identifiers bellow are used. */
void __libc_cap_link_error (void);
#define __libc_cap_fail(rtype) (__libc_cap_link_error (), (rtype) 0)
#define __libc_cap_init() __libc_cap_fail (bool)
#define __libc_cap_fork_lock() __libc_cap_fail (void)
#define __libc_cap_fork_unlock_parent() __libc_cap_fail (void)
#define __libc_cap_fork_unlock_child() __libc_cap_fail (void)
#define __libc_cap_map_add(p) __libc_cap_fail (bool)
#define __libc_cap_map_del(p) __libc_cap_fail (void)
#define __libc_cap_roundup(n) __libc_cap_fail (size_t)
#define __libc_cap_align(n) __libc_cap_fail (size_t)
#define __libc_cap_narrow(p, n) __libc_cap_fail (void *)
#define __libc_cap_widen(p) __libc_cap_fail (void *)
#define __libc_cap_reserve(p) __libc_cap_fail (bool)
#define __libc_cap_unreserve(p) __libc_cap_fail (void)
#define __libc_cap_drop(p) __libc_cap_fail (void)
#define __libc_cap_put_back(p, q) __libc_cap_fail (void)
#endif
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