31 lines · cpp
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-exception6//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/__support/libc_errno.h"15#include "src/__support/macros/config.h"16#include <sys/syscall.h> // For syscall numbers.17#include <sys/utsname.h>18 19namespace LIBC_NAMESPACE_DECL {20 21LLVM_LIBC_FUNCTION(int, uname, (struct utsname * name)) {22 int ret = LIBC_NAMESPACE::syscall_impl<int>(SYS_uname, name);23 24 if (ret >= 0)25 return 1;26 libc_errno = -ret;27 return -1;28}29 30} // namespace LIBC_NAMESPACE_DECL31