Esempio n. 1
0
char gtcmtr_lke_clearrep(struct CLB *lnk, clear_request	*creq)
{
	gd_region		*cur_region;
	sgmnt_addrs		*cs_adr;
	mlk_ctldata_ptr_t	lke_ctl;
	mstr			dnode;
	show_reply		srep;
	uint4			status;

	cur_region = gv_cur_region = gtcm_find_region(curr_entry, creq->rnum)->reghead->reg;
	if (dba_bg == cur_region->dyn.addr->acc_meth || dba_mm == cur_region->dyn.addr->acc_meth)
	{
		cs_adr = &FILE_INFO(cur_region)->s_addrs;
		lke_ctl = (mlk_ctldata_ptr_t)cs_adr->lock_addrs[0];
		util_cm_print(lnk, 0, NULL, RESET);
		dnode.len = creq->nodelength;
		dnode.addr = creq->node;
		if (cs_adr->critical != NULL)
			crash_count = cs_adr->critical->crashcnt;
		grab_crit(cur_region);
		if (lke_ctl->blkroot != 0)
			lke_cleartree(cur_region, lnk, lke_ctl, (mlk_shrblk_ptr_t)R2A(lke_ctl->blkroot), creq->all,
				      creq->interactive, creq->pid, dnode);
		rel_crit(cur_region);
	}
	srep.code = CMMS_U_LKEDELETE;
	lnk->cbl = sizeof(srep.code);
	lnk->ast = NULL;
#ifndef vinu_marker
	assert(0 == offsetof(show_reply, code));
	lnk->mbf = (unsigned char *)&srep; /* no need since lnk->mbf can be re-used. vinu 06/27/01 */
	status = cmi_write(lnk);
	if (CMI_ERROR(status))
	{ /* This routine is a server routine; not sure why it does error processing similar to a client. vinu 06/27/01 */
		((link_info *)(lnk->usr))->neterr = TRUE;
		gvcmz_error(CMMS_U_LKEDELETE, status);
	} else
		lnk->mbf = (unsigned char *)creq; /* don't restore if lnk->mbf isn't modified. vinu 06/27/01 */
#else
	/* server calls to cmi_* should do error processing as a callback. vinu 06/27/01 */
	*lnk->mbf = srep.code;
	cmi_write(lnk);
#endif
	return CM_READ;
}
Esempio n. 2
0
void	lke_clear(void)
{
	bool		locks, all = TRUE, wait = FALSE, interactive = TRUE, match = FALSE, memory = FALSE, nocrit = FALSE;
	boolean_t	exact = TRUE, was_crit;
	int4		pid;
	int		n;
	char		regbuf[MAX_RN_LEN], nodebuf[32], one_lockbuf[MAX_KEY_SZ];
	mlk_ctldata_ptr_t	ctl;
	mstr		reg, node, one_lock;

	/* Get all command parameters */
	reg.addr = regbuf;
	reg.len = SIZEOF(regbuf);
	node.addr = nodebuf;
	node.len = SIZEOF(nodebuf);
	one_lock.addr = one_lockbuf;
	one_lock.len = SIZEOF(one_lockbuf);

	if (lke_getcli(&all, &wait, &interactive, &pid, &reg, &node, &one_lock, &memory, &nocrit, &exact) == 0)
		return;

	/* Search all regions specified on the command line */
	for (gv_cur_region = gd_header->regions, n = 0;
	     n != gd_header->n_regions;
	     ++gv_cur_region, ++n)
	{	/* If region matches and is open */
		if ((reg.len == 0  ||
		     gv_cur_region->rname_len == reg.len  &&  memcmp(gv_cur_region->rname, reg.addr, reg.len) == 0)  &&
		    gv_cur_region->open)
		{
			match = TRUE;
			util_out_print("!/!AD!/", NOFLUSH, REG_LEN_STR(gv_cur_region));
			/* If distributed database, the region is located on another node */
			if (gv_cur_region->dyn.addr->acc_meth == dba_cm)
			{
#				if defined(LKE_WORKS_OK_WITH_CM)
				/* Remote lock clears are not supported, so LKE CLEAR -EXACT qualifier
				 * will not be supported on GT.CM.*/
				locks = gtcmtr_lke_clearreq(gv_cur_region->dyn.addr->cm_blk, gv_cur_region->cmx_regnum,
							    all, interactive, pid, &node);
#				else
				gtm_putmsg(VARLSTCNT(10) ERR_UNIMPLOP, 0, ERR_TEXT, 2,
						LEN_AND_LIT("GT.CM region - locks must be cleared on the local node"),
						ERR_TEXT, 2, REG_LEN_STR(gv_cur_region));
				continue;
#				endif
			} else if ((dba_bg == gv_cur_region->dyn.addr->acc_meth) || (dba_mm == gv_cur_region->dyn.addr->acc_meth))
			{	/* Local region */
				cs_addrs = &FILE_INFO(gv_cur_region)->s_addrs;
				ctl = (mlk_ctldata_ptr_t)cs_addrs->lock_addrs[0];
				/* Prevent any modifications of locks while we are clearing */
				if (cs_addrs->critical != NULL)
					crash_count = cs_addrs->critical->crashcnt;
				was_crit = cs_addrs->now_crit;
				if (!was_crit)
					grab_crit(gv_cur_region);
				locks = ctl->blkroot == 0 ? FALSE
							  : lke_cleartree(gv_cur_region, NULL, ctl,
									 (mlk_shrblk_ptr_t)R2A(ctl->blkroot),
									  all, interactive, pid, one_lock, exact);
				if (!was_crit)
					rel_crit(gv_cur_region);
			} else
			{
				gtm_putmsg(VARLSTCNT(2) ERR_BADREGION, 0);
				locks = TRUE;
			}

			if (!locks)
			{
				gtm_putmsg(VARLSTCNT(4) ERR_NOLOCKMATCH, 2, REG_LEN_STR(gv_cur_region));
			}
		}
	}

	if (!match  &&  reg.len != 0)
		rts_error(VARLSTCNT(4) ERR_NOREGION, 2, reg.len, reg.addr);

}