greenplumn CAutoExceptionStack 源码
greenplumn CAutoExceptionStack 代码
文件路径：/src/backend/gporca/libgpos/include/gpos/error/CAutoExceptionStack.h
//---------------------------------------------------------------------------
// Greenplum Database
// Copyright (C) 2012 EMC Corp.
//
// @filename:
// CAutoExceptionStack.h
//
// @doc:
// Auto object for saving and restoring exception stack
//
// @owner:
// elhela
//
// @test:
//
//
//---------------------------------------------------------------------------
#ifndef GPOS_CAutoExceptionStack_H
#define GPOS_CAutoExceptionStack_H
#include "gpos/base.h"
#include "gpos/common/CStackObject.h"
namespace gpos
{
//---------------------------------------------------------------------------
// @class:
// CAutoExceptionStack
//
// @doc:
// Auto object for saving and restoring exception stack
//
//---------------------------------------------------------------------------
class CAutoExceptionStack : public CStackObject
{
private:
// address of the global exception stack value
void **m_global_exception_stack;
// value of exception stack when object is created
void *m_exception_stack;
// address of the global error context stack value
void **m_global_error_context_stack;
// value of error context stack when object is created
void *m_error_context_stack;
public:
CAutoExceptionStack(const CAutoExceptionStack &) = delete;
// ctor
CAutoExceptionStack(void **global_exception_stack,
void **global_error_context_stack);
// dtor
~CAutoExceptionStack();
// set the exception stack to the given address
void SetLocalJmp(void *local_jump);
}; // class CAutoExceptionStack
} // namespace gpos
#endif // !GPOS_CAutoExceptionStack_H
// EOF
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