1//===-- Linux implementation of uname -------------------------------------===//
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/sys/utsname/uname.h"
10
11#include "src/__support/OSUtil/syscall.h" // For internal syscall function.
12#include "src/__support/common.h"
13
14#include "src/errno/libc_errno.h"
15#include <sys/syscall.h> // For syscall numbers.
16#include <sys/utsname.h>
17
18namespace LIBC_NAMESPACE {
19
20LLVM_LIBC_FUNCTION(int, uname, (struct utsname * name)) {
21 int ret = LIBC_NAMESPACE::syscall_impl<int>(SYS_uname, ts: name);
22
23 if (ret >= 0)
24 return 1;
25 libc_errno = -ret;
26 return -1;
27}
28
29} // namespace LIBC_NAMESPACE
30

source code of libc/src/sys/utsname/linux/uname.cpp