1//===-- Linux implementation of close -------------------------------------===//
2//
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
6//
7//===----------------------------------------------------------------------===//
8
9#include "src/unistd/close.h"
10
11#include "src/__support/OSUtil/fcntl.h"
12#include "src/__support/common.h"
13#include "src/__support/libc_errno.h"
14#include "src/__support/macros/config.h"
15#include <sys/syscall.h> // For syscall numbers.
16
17namespace LIBC_NAMESPACE_DECL {
18
19LLVM_LIBC_FUNCTION(int, close, (int fd)) {
20 auto result = internal::close(fd);
21
22 if (!result.has_value()) {
23 libc_errno = result.error();
24 return -1;
25 }
26 return result.value();
27}
28
29} // namespace LIBC_NAMESPACE_DECL
30

source code of libc/src/unistd/linux/close.cpp