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//===-- DNBError.h ----------------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// Created by Greg Clayton on 6/26/07.
//
//===----------------------------------------------------------------------===//
#ifndef __DNBError_h__
#define __DNBError_h__
#include <errno.h>
#include <mach/mach.h>
#include <stdio.h>
#include <string>
class DNBError {
public:
typedef uint32_t ValueType;
typedef enum {
Generic = 0,
MachKernel = 1,
POSIX = 2
#ifdef WITH_SPRINGBOARD
,
SpringBoard = 3
#endif
#ifdef WITH_BKS
,
BackBoard = 4
#endif
#ifdef WITH_FBS
,
FrontBoard = 5
#endif
} FlavorType;
explicit DNBError(ValueType err = 0, FlavorType flavor = Generic)
: m_err(err), m_flavor(flavor) {}
const char *AsString() const;
void Clear() {
m_err = 0;
m_flavor = Generic;
m_str.clear();
}
ValueType Status() const { return m_err; }
FlavorType Flavor() const { return m_flavor; }
ValueType operator=(kern_return_t err) {
m_err = err;
m_flavor = MachKernel;
m_str.clear();
return m_err;
}
void SetError(kern_return_t err) {
m_err = err;
m_flavor = MachKernel;
m_str.clear();
}
void SetErrorToErrno() {
m_err = errno;
m_flavor = POSIX;
m_str.clear();
}
void SetError(ValueType err, FlavorType flavor) {
m_err = err;
m_flavor = flavor;
m_str.clear();
}
// Generic errors can set their own string values
void SetErrorString(const char *err_str) {
if (err_str && err_str[0])
m_str = err_str;
else
m_str.clear();
}
bool Success() const { return m_err == 0; }
bool Fail() const { return m_err != 0; }
void LogThreadedIfError(const char *format, ...) const;
void LogThreaded(const char *format, ...) const;
protected:
ValueType m_err;
FlavorType m_flavor;
mutable std::string m_str;
};
#endif // #ifndef __DNBError_h__
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