llvm/Support/ExitCodes.h

0001 //===-- llvm/Support/ExitCodes.h - Exit codes for exit()  -------*- C++ -*-===//
0002 //
0003 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
0004 // See https://llvm.org/LICENSE.txt for license information.
0005 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
0006 //
0007 //===----------------------------------------------------------------------===//
0008 ///
0009 /// \file
0010 /// This file contains definitions of exit codes for exit() function. They are
0011 /// either defined by sysexits.h if it is supported, or defined here if
0012 /// sysexits.h is not supported.
0013 ///
0014 //===----------------------------------------------------------------------===//
0015
0016 #ifndef LLVM_SUPPORT_EXITCODES_H
0017 #define LLVM_SUPPORT_EXITCODES_H
0018
0019 #include "llvm/Config/llvm-config.h"
0020
0021 #if HAVE_SYSEXITS_H
0022 #include <sysexits.h>
0023 #elif __MVS__ || defined(_WIN32)
0024 // <sysexits.h> does not exist on z/OS and Windows. The only value used in LLVM
0025 // is EX_IOERR, which is used to signal a special error condition (broken pipe).
0026 // Define the macro with its usual value from BSD systems, which is chosen to
0027 // not clash with more standard exit codes like 1.
0028 #define EX_IOERR 74
0029 #elif LLVM_ON_UNIX
0030 #error Exit code EX_IOERR not available
0031 #endif
0032
0033 #endif