1 //===-------------- Linux implementation of IO utils ------------*- C++ -*-===//
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 #ifndef LLVM_LIBC_SRC_SUPPORT_OSUTIL_LINUX_IO_H
10 #define LLVM_LIBC_SRC_SUPPORT_OSUTIL_LINUX_IO_H
11 
12 #include "include/sys/syscall.h" // For syscall numbers.
13 #include "src/string/string_utils.h"
14 #include "syscall.h" // For internal syscall function.
15 
16 namespace __llvm_libc {
17 
18 static inline void write_to_stderr(const char *msg) {
19   __llvm_libc::syscall(SYS_write, 2 /* stderr */, msg,
20                        internal::string_length(msg));
21 }
22 
23 } // namespace __llvm_libc
24 
25 #endif // LLVM_LIBC_SRC_SUPPORT_OSUTIL_LINUX_IO_H
26