//---------------------------------------------------------------------------
// @function:
// CException::Reraise
//
// @doc:
// Throw/rethrow interface to reraise an already caught exc;
// Wrapper that asserts there is a pending error;
//
//---------------------------------------------------------------------------
void
CException::Reraise
(
CException exc,
BOOL fPropagate
)
{
if (NULL != ITask::PtskSelf())
{
CErrorContext *perrctxt = CTask::PtskSelf()->PerrctxtConvert();
GPOS_ASSERT(perrctxt->FPending());
perrctxt->SetRethrow();
// serialize registered objects when current task propagates
// an exception thrown by a child task
if (fPropagate)
{
perrctxt->Psd()->BackTrace();
perrctxt->Serialize();
}
}
Raise(exc);
}
//---------------------------------------------------------------------------
// @function:
// CMiniDumperTest::CSerializableStack::UlpSerialize
//
// @doc:
// Serialize object to passed buffer
//
//---------------------------------------------------------------------------
ULONG_PTR
CMiniDumperTest::CSerializableStack::UlpSerialize
(
WCHAR *wszEntry,
ULONG_PTR ulpAllocSize
)
{
WCHAR wszStackBuffer[GPOS_MINIDUMP_BUF_SIZE];
CWStringStatic wstr(wszStackBuffer, GPOS_ARRAY_SIZE(wszStackBuffer));
wstr.AppendFormat(GPOS_WSZ_LIT("<STACK_TRACE>\n"));
CErrorContext *perrctxt = CTask::PtskSelf()->PerrctxtConvert();
perrctxt->Psd()->AppendTrace(&wstr);
wstr.AppendFormat(GPOS_WSZ_LIT("</STACK_TRACE>\n"));
ULONG_PTR ulpSize = std::min
(
(ULONG_PTR) wstr.UlLength(),
ulpAllocSize
);
(void) clib::PvMemCpy
(
(BYTE *) wszEntry,
(BYTE *) wszStackBuffer,
ulpSize * GPOS_SIZEOF(WCHAR)
);
return ulpSize;
}
//---------------------------------------------------------------------------
// @function:
// CSerializableStackTrace::Serialize
//
// @doc:
// Serialize contents into provided stream
//
//---------------------------------------------------------------------------
void
CSerializableStackTrace::Serialize
(
COstream& oos
)
{
if (!ITask::PtskSelf()->FPendingExc())
{
// no pending exception: no need to serialize stack trace
return;
}
WCHAR wszStackBuffer[GPOPT_MINIDUMP_BUF_SIZE];
CWStringStatic str(wszStackBuffer, GPOS_ARRAY_SIZE(wszStackBuffer));
str.AppendFormat(CDXLSections::m_wszStackTraceHeader);
CErrorContext *perrctxt = CTask::PtskSelf()->PerrctxtConvert();
perrctxt->Psd()->AppendTrace(&str);
str.AppendFormat(CDXLSections::m_wszStackTraceFooter);
oos << wszStackBuffer;
}