summaryrefslogtreecommitdiff
path: root/libc/src/__support/OSUtil/linux/io.h
blob: cf387eb7444722f7a97ad4bdf1d867c970763d76 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
//===-------------- Linux implementation of IO utils ------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_LIBC_SRC_SUPPORT_OSUTIL_LINUX_IO_H
#define LLVM_LIBC_SRC_SUPPORT_OSUTIL_LINUX_IO_H

#include "src/__support/CPP/string_view.h"
#include "syscall.h" // For internal syscall function.

#include <sys/syscall.h> // For syscall numbers.

namespace __llvm_libc {

LIBC_INLINE void write_to_stderr(cpp::string_view msg) {
  __llvm_libc::syscall_impl(SYS_write, 2 /* stderr */, msg.data(), msg.size());
}

} // namespace __llvm_libc

#endif // LLVM_LIBC_SRC_SUPPORT_OSUTIL_LINUX_IO_H