Method writeData

src/lock/lock.cpp:1011–1043

LOCK_DATA_T LockManager::writeData(SRQ_PTR request_offset, LOCK_DATA_T data)
{
/**************************************
 *
 *	w r i t e D a t a
 *
 **************************************
 *
 * Functional description
 *	Write a longword into the lock block.
 *
 **************************************/
	LOCK_TRACE(("LM::writeData (%ld)\n", request_offset));

	LockTableGuard guard(this, FB_FUNCTION, DUMMY_OWNER);

	const lrq* const request = get_request(request_offset);
	guard.setOwner(request->lrq_owner);

	++(m_sharedMemory->getHeader()->lhb_write_data);

	lbl* const lock = (lbl*) SRQ_ABS_PTR(request->lrq_lock);
	remove_que(&lock->lbl_lhb_data);
	if ( (lock->lbl_data = data) )
		insert_data_que(lock);

	if (lock->lbl_series < LCK_MAX_SERIES)
		++(m_sharedMemory->getHeader()->lhb_operations[lock->lbl_series]);
	else
		++(m_sharedMemory->getHeader()->lhb_operations[0]);

	return data;
}


void LockManager::acquire_shmem(SRQ_PTR owner_offset)