1 //===-- Linux implementation of dup ---------------------------------------===//
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //===----------------------------------------------------------------------===//
9 #include "src/unistd/dup.h"
11 #include "src/__support/OSUtil/syscall.h" // For internal syscall function.
12 #include "src/__support/common.h"
14 #include "src/errno/libc_errno.h"
15 #include <sys/syscall.h> // For syscall numbers.
17 namespace LIBC_NAMESPACE
{
19 LLVM_LIBC_FUNCTION(int, dup
, (int fd
)) {
20 int ret
= LIBC_NAMESPACE::syscall_impl
<int>(SYS_dup
, fd
);
28 } // namespace LIBC_NAMESPACE