xref: /third_party/musl/src/internal/musl_fdsan.h (revision 570af302)

/*
 * Copyright (C) 2024 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef MUSL_FDSAN_H
#define MUSL_FDSAN_H

#include <string.h>
#include <stdint.h>
#include <stdio.h>

#include "stdatomic_impl.h"

#define FdTableSize 128

struct FdEntry {
	_Atomic(uint64_t) close_tag;
};

struct FdTableOverflow {
	size_t len;
	struct FdEntry entries[];
};

struct FdTable {
	_Atomic(enum fdsan_error_level) error_level;
	struct FdEntry entries[FdTableSize];
	_Atomic(struct FdTableOverflow*) overflow;
};

void __init_fdsan();

#endif