folly/folly/portability/openat2.h

/*
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * 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.
 */

/**
 * Provide (glibc's missing) wrapper around the low-level `openat2` syscall.
 */

#pragma once

#include <folly/folly-config.h>

#if !FOLLY_HAVE_OPENAT2
#error "FOLLY_HAVE_OPENAT2 is disabled"
#endif

#include <linux/openat2.h>

#ifdef __cplusplus
extern "C" {
#endif

int openat2(int dirfd, const char* pathname, const struct open_how* how);

#ifdef __cplusplus
}
#endif