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 "src/string/string_utils.h"
13 #include "syscall.h" // For internal syscall function.
14 
15 #include <sys/syscall.h> // For syscall numbers.
16 
17 namespace __llvm_libc {
18 
write_to_stderr(const char * msg)19 static inline void write_to_stderr(const char *msg) {
20   __llvm_libc::syscall(SYS_write, 2 /* stderr */, msg,
21                        internal::string_length(msg));
22 }
23 
24 } // namespace __llvm_libc
25 
26 #endif // LLVM_LIBC_SRC_SUPPORT_OSUTIL_LINUX_IO_H
27