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/__support/CPP/string_view.h" 13 #include "syscall.h" // For internal syscall function. 14 15 #include <sys/syscall.h> // For syscall numbers. 16 17 namespace LIBC_NAMESPACE { 18 write_to_stderr(cpp::string_view msg)19LIBC_INLINE void write_to_stderr(cpp::string_view msg) { 20 LIBC_NAMESPACE::syscall_impl<long>(SYS_write, 2 /* stderr */, msg.data(), 21 msg.size()); 22 } 23 24 } // namespace LIBC_NAMESPACE 25 26 #endif // LLVM_LIBC_SRC___SUPPORT_OSUTIL_LINUX_IO_H 27