1 //===------------- Darwin 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_DARWIN_IO_H 10 #define LLVM_LIBC_SRC___SUPPORT_OSUTIL_DARWIN_IO_H 11 12 #include "src/__support/CPP/string_view.h" 13 #include "src/__support/macros/config.h" 14 #include "syscall.h" // For internal syscall function. 15 16 namespace LIBC_NAMESPACE_DECL { 17 write_to_stderr(cpp::string_view msg)18LIBC_INLINE void write_to_stderr(cpp::string_view msg) { 19 LIBC_NAMESPACE::syscall_impl(4 /*SYS_write*/, 2 /* stderr */, 20 reinterpret_cast<long>(msg.data()), msg.size()); 21 } 22 23 } // namespace LIBC_NAMESPACE_DECL 24 25 #endif // LLVM_LIBC_SRC___SUPPORT_OSUTIL_DARWIN_IO_H 26