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 18 namespace LIBC_NAMESPACE { 19 20 LLVM_LIBC_FUNCTION(int, uname, (struct utsname * name)) { 21 int ret = LIBC_NAMESPACE::syscall_impl<int>(SYS_uname, name); 22 23 if (ret >= 0) 24 return 1; 25 libc_errno = -ret; 26 return -1; 27 } 28 29 } // namespace LIBC_NAMESPACE 30