llvm-project/lldb/tools/debugserver/source/DNBError.cpp

119 lines
3.0 KiB
C++

//===-- DNBError.cpp --------------------------------------------*- 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.
//
//===----------------------------------------------------------------------===//
#include "DNBError.h"
#include "CFString.h"
#include "DNBLog.h"
#include "PThreadMutex.h"
#ifdef WITH_SPRINGBOARD
#include <SpringBoardServices/SpringBoardServer.h>
#endif
const char *
DNBError::AsString() const
{
if (Success())
return NULL;
if (m_str.empty())
{
const char *s = NULL;
switch (m_flavor)
{
case MachKernel:
s = ::mach_error_string (m_err);
break;
case POSIX:
s = ::strerror (m_err);
break;
#ifdef WITH_SPRINGBOARD
case SpringBoard:
{
CFStringRef statusStr = SBSApplicationLaunchingErrorString (m_err);
if (CFString::UTF8 (statusStr, m_str) == NULL)
m_str.clear();
}
break;
#endif
#ifdef WITH_BKS
case BackBoard:
{
// You have to call ObjC routines to get the error string from BackBoardServices.
// Not sure I want to make DNBError.cpp an .mm file. For now just make sure you
// pre-populate the error string when you make the DNBError of type BackBoard.
m_str.assign("Should have set Backboard error when making the error string.");
}
break;
#endif
default:
break;
}
if (s)
m_str.assign(s);
}
if (m_str.empty())
return NULL;
return m_str.c_str();
}
void
DNBError::LogThreadedIfError(const char *format, ...) const
{
if (Fail())
{
char *arg_msg = NULL;
va_list args;
va_start (args, format);
::vasprintf (&arg_msg, format, args);
va_end (args);
if (arg_msg != NULL)
{
const char *err_str = AsString();
if (err_str == NULL)
err_str = "???";
DNBLogThreaded ("error: %s err = %s (0x%8.8x)", arg_msg, err_str, m_err);
free (arg_msg);
}
}
}
void
DNBError::LogThreaded(const char *format, ...) const
{
char *arg_msg = NULL;
va_list args;
va_start (args, format);
::vasprintf (&arg_msg, format, args);
va_end (args);
if (arg_msg != NULL)
{
if (Fail())
{
const char *err_str = AsString();
if (err_str == NULL)
err_str = "???";
DNBLogThreaded ("error: %s err = %s (0x%8.8x)", arg_msg, err_str, m_err);
}
else
{
DNBLogThreaded ("%s err = 0x%8.8x", arg_msg, m_err);
}
free (arg_msg);
}
}