Function TRA_get_prior_request

src/jrd/tra.cpp:118–144

Request* TRA_get_prior_request(thread_db* tdbb)
{
	// See if there is any request right above us in the call stack
	Request* org_request;
	thread_db* jrd_ctx = tdbb;
	do
	{
		// Check regular request call stack
		org_request = jrd_ctx->getRequest();
		if (org_request)
			break;

		// Check for engine context switch (EXECUTE STATEMENT, etc)
		ThreadData* ctx = jrd_ctx;
		jrd_ctx = NULL;
		while( (ctx = ctx->getPriorContext()) )
		{
			if (ctx->getType() == ThreadData::tddDBB)
			{
				jrd_ctx = static_cast<thread_db*>(ctx);
				break;
			}
		}
	} while (jrd_ctx);

	return org_request;
}

void TRA_setup_request_snapshot(Jrd::thread_db* tdbb, Jrd::Request* request)
{