80 строки
2.5 KiB
C
80 строки
2.5 KiB
C
|
//===- llvm/Support/Unix/Unix.h - Common Unix Include File -------*- C++ -*-===//
|
||
|
///////////////////////////////////////////////////////////////////////////////
|
||
|
// //
|
||
|
// Unix.h //
|
||
|
// Copyright (C) Microsoft Corporation. All rights reserved. //
|
||
|
// Licensed under the MIT license. See COPYRIGHT in the project root for //
|
||
|
// full license information. //
|
||
|
// //
|
||
|
// This file defines things specific to Unix implementations. //
|
||
|
//
|
||
|
//===----------------------------------------------------------------------===//
|
||
|
|
||
|
#ifndef LLVM_LIB_SUPPORT_UNIX_UNIX_H
|
||
|
#define LLVM_LIB_SUPPORT_UNIX_UNIX_H
|
||
|
|
||
|
//===----------------------------------------------------------------------===//
|
||
|
//=== WARNING: Implementation here must contain only generic UNIX code that
|
||
|
//=== is guaranteed to work on all UNIX variants.
|
||
|
// //
|
||
|
///////////////////////////////////////////////////////////////////////////////
|
||
|
|
||
|
#include "llvm/Config/config.h" // Get autoconf configuration settings
|
||
|
#include "llvm/Support/Errno.h"
|
||
|
#include <algorithm>
|
||
|
#include <assert.h>
|
||
|
#include <cerrno>
|
||
|
#include <cstdio>
|
||
|
#include <cstdlib>
|
||
|
#include <cstring>
|
||
|
#include <string>
|
||
|
#include <sys/types.h>
|
||
|
|
||
|
#ifdef HAVE_UNISTD_H
|
||
|
#include <unistd.h>
|
||
|
#endif
|
||
|
|
||
|
#ifdef HAVE_SYS_PARAM_H
|
||
|
#include <sys/param.h>
|
||
|
#endif
|
||
|
|
||
|
#ifdef HAVE_SYS_TIME_H
|
||
|
# include <sys/time.h>
|
||
|
#endif
|
||
|
#include <time.h>
|
||
|
|
||
|
#ifdef HAVE_SYS_WAIT_H
|
||
|
# include <sys/wait.h>
|
||
|
#endif
|
||
|
|
||
|
#ifdef HAVE_DLFCN_H
|
||
|
# include <dlfcn.h>
|
||
|
#endif
|
||
|
|
||
|
#ifndef WEXITSTATUS
|
||
|
# define WEXITSTATUS(stat_val) ((unsigned)(stat_val) >> 8)
|
||
|
#endif
|
||
|
|
||
|
#ifndef WIFEXITED
|
||
|
# define WIFEXITED(stat_val) (((stat_val) & 255) == 0)
|
||
|
#endif
|
||
|
|
||
|
/// This function builds an error message into \p ErrMsg using the \p prefix
|
||
|
/// string and the Unix error number given by \p errnum. If errnum is -1, the
|
||
|
/// default then the value of errno is used.
|
||
|
/// @brief Make an error message
|
||
|
///
|
||
|
/// If the error number can be converted to a string, it will be
|
||
|
/// separated from prefix by ": ".
|
||
|
static inline bool MakeErrMsg(
|
||
|
std::string* ErrMsg, const std::string& prefix, int errnum = -1) {
|
||
|
if (!ErrMsg)
|
||
|
return true;
|
||
|
if (errnum == -1)
|
||
|
errnum = errno;
|
||
|
*ErrMsg = prefix + ": " + llvm::sys::StrError(errnum);
|
||
|
return true;
|
||
|
}
|
||
|
|
||
|
#endif
|