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// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you 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..

use crate::ocall::util::*;
use libc::{self, c_int};
use std::io::Error;

#[no_mangle]
pub unsafe extern "C" fn u_pipe2_ocall(
    error: *mut c_int,
    fds: *mut [c_int; 2],
    flags: c_int,
) -> c_int {
    let mut errno = 0;
    let ret = libc::pipe2(fds as *mut c_int, flags);
    if ret < 0 {
        errno = Error::last_os_error().raw_os_error().unwrap_or(0);
    }
    set_error(error, errno);
    ret
}