void mlk_prcblk_delete(mlk_ctldata_ptr_t ctl,
mlk_shrblk_ptr_t d,
uint4 pid)
{
mlk_prcblk_ptr_t pr;
sm_int_ptr_t prpt;
for (prpt = &d->pending; *prpt; )
{
pr = (mlk_prcblk_ptr_t)R2A(*prpt);
if ((pr->process_id == pid) && (--pr->ref_cnt <= 0))
{
pr->ref_cnt = 0;
if (pr->next == 0)
*prpt = 0;
else
A2R(*prpt, R2A(pr->next));
memset(pr, 0, sizeof(*pr));
A2R(pr->next, R2A(ctl->prcfree));
A2R(ctl->prcfree, pr);
assert(ctl->prcfree >= 0);
ctl->prccnt++;
if (0 != pid)
break;
} else
prpt = &pr->next;
}
return;
}
char gtcmtr_lke_showrep(struct CLB *lnk, show_request *sreq)
{
gd_region *cur_region;
sgmnt_addrs *cs_adr;
mlk_ctldata *lke_ctl;
ssize_t ls_len;
mstr dnode;
show_reply srep;
uint4 status;
boolean_t was_crit;
cur_region = gv_cur_region = gtcm_find_region(curr_entry, sreq->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;
ls_len = cs_adr->lock_addrs[1] - cs_adr->lock_addrs[0];
lke_ctl = (mlk_ctldata *)malloc(ls_len);
/* Prevent any modification of the lock space while we make a local copy of it */
if (cs_adr->critical != NULL)
crash_count = cs_adr->critical->crashcnt;
was_crit = cs_adr->now_crit;
if (!was_crit)
grab_crit(cur_region);
longcpy((uchar_ptr_t)lke_ctl, cs_adr->lock_addrs[0], ls_len);
if (!was_crit)
rel_crit(cur_region);
util_cm_print(lnk, 0, NULL, RESET);
dnode.len = sreq->nodelength;
dnode.addr = sreq->node;
if (lke_ctl->blkroot != 0)
(void)lke_showtree(lnk, (mlk_shrblk_ptr_t)R2A(lke_ctl->blkroot), sreq->all, sreq->wait, sreq->pid, dnode,
FALSE, NULL);
free(lke_ctl);
}
srep.code = CMMS_U_LKESHOW;
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_LKESHOW, status);
} else
lnk->mbf = (unsigned char *)sreq; /* 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;
}
void mlk_prcblk_add(gd_region *reg,
mlk_ctldata_ptr_t ctl,
mlk_shrblk_ptr_t d,
uint4 pid)
{
mlk_prcblk_ptr_t pr;
sm_int_ptr_t prpt;
int lcnt;
for (prpt = &d->pending, lcnt = FILE_INFO(reg)->s_addrs.hdr->lock_space_size / PRC_FACTOR;
*prpt && lcnt; prpt = &pr->next, lcnt--)
{
pr = (mlk_prcblk_ptr_t)R2A(*prpt);
if (pr->process_id == pid)
{
pr->ref_cnt++;
return;
}
}
if (!lcnt)
GTMASSERT;
if (ctl->prccnt < 1)
{
mlk_shrclean(reg, ctl, (mlk_shrblk_ptr_t)R2A(ctl->blkroot));
if (ctl->prccnt < 1)
return;
}
ctl->prccnt--;
pr = (mlk_prcblk_ptr_t)R2A(ctl->prcfree);
if (0 == pr->next)
{
assert(0 == ctl->prccnt);
ctl->prcfree = 0;
} else
A2R(ctl->prcfree, R2A(pr->next));
A2R(*prpt, pr);
pr->process_id = pid;
pr->ref_cnt = 1;
pr->next = pr->unlock = 0;
return;
}
void mlk_shrclean(gd_region *region,
mlk_ctldata_ptr_t ctl,
mlk_shrblk_ptr_t d)
{
mlk_shrblk_ptr_t d0, d1;
mlk_prcblk_ptr_t p;
int4 status, lcnt = 0, max_loop_tries;
unsigned int time[2],icount;
bool delete_status;
sgmnt_addrs *csa;
max_loop_tries = (int4)(((sm_uc_ptr_t)R2A(ctl->subtop) - (sm_uc_ptr_t)ctl) / SIZEOF(mlk_shrblk));
/* although more than the actual, it is better than underestimating */
for (d = d0 = (mlk_shrblk_ptr_t)R2A(d->rsib), d1 = NULL; d != d1 && max_loop_tries > lcnt; lcnt++)
{
delete_status = FALSE;
if (d0->children)
mlk_shrclean(region, ctl, (mlk_shrblk_ptr_t)R2A(d0->children));
d1 = (mlk_shrblk_ptr_t)R2A(d0->rsib);
if (d0->pending)
{
for (p = (mlk_prcblk_ptr_t)R2A(d0->pending); ; p = (mlk_prcblk_ptr_t)R2A(p->next))
{
if (PENDING_PROC_ALIVE(p,time,icount,status))
{ /* process pending does not exist, free prcblk */
p->process_id = 0;
p->ref_cnt = 0;
}
if (p->next == 0)
break;
}
}
mlk_prcblk_delete(ctl, d0, 0);
if (d0->owner)
{
if (PROC_ALIVE(d0,time,icount,status))
{ /* process that owned lock has left image, free lock */
csa = &FILE_INFO(region)->s_addrs;
d0->owner = 0;
d0->sequence = csa->hdr->trans_hist.lock_sequence++;
delete_status = mlk_shrblk_delete_if_empty(ctl,d0);
}
}else
delete_status = mlk_shrblk_delete_if_empty(ctl,d0);
if (delete_status && d0 == d)
{
d = d0 = (d0 == d1) ? NULL : d1;
d1 = NULL;
}
else
d0 = d1;
}
return;
}
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;
}
bool mlk_shrblk_delete_if_empty(mlk_ctldata_ptr_t ctl,
mlk_shrblk_ptr_t d)
{
mlk_shrblk_ptr_t r, l, p;
mlk_shrsub_ptr_t sub;
if (d->children != 0 || d->owner != 0 || d->pending != 0)
return FALSE;
if (d->parent == 0)
p = NULL;
else
p = (mlk_shrblk_ptr_t)R2A(d->parent);
l = (mlk_shrblk_ptr_t)R2A(d->lsib);
r = (mlk_shrblk_ptr_t)R2A(d->rsib);
if (d == r)
if (p == NULL)
ctl->blkroot = 0;
else
p->children = 0;
else
{
assert(d != l);
A2R(r->lsib, l);
A2R(l->rsib, r);
if (p != NULL && (mlk_shrblk_ptr_t)R2A(p->children) == d)
A2R(p->children, r);
else
if ((mlk_shrblk_ptr_t)R2A(ctl->blkroot) == d)
A2R(ctl->blkroot, r);
}
sub = (mlk_shrsub_ptr_t)R2A(d->value);
PUT_ZERO(sub->backpointer);
p = (mlk_shrblk_ptr_t)R2A(ctl->blkfree);
memset(d, 0, SIZEOF(mlk_shrblk));
A2R(d->rsib, p);
A2R(ctl->blkfree, d);
++ctl->blkcnt;
return TRUE;
}
void lke_show(void)
{
bool locks, all = TRUE, wait = TRUE, interactive = FALSE, match = FALSE, memory = TRUE, nocrit = TRUE;
boolean_t exact = FALSE, was_crit;
int4 pid;
size_t ls_len;
int n;
char regbuf[MAX_RN_LEN], nodebuf[32], one_lockbuf[MAX_KEY_SZ];
mlk_ctldata_ptr_t ctl;
mstr reg, node, one_lock;
int shr_sub_len = 0;
float ls_free = 0; /* Free space in bottleneck subspace */
/* 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, ®, &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)
/* Obtain lock info from the remote node */
locks = gtcmtr_lke_showreq(gv_cur_region->dyn.addr->cm_blk, gv_cur_region->cmx_regnum,
all, wait, pid, &node);
# else
gtm_putmsg(VARLSTCNT(10) ERR_UNIMPLOP, 0, ERR_TEXT, 2,
LEN_AND_LIT("GT.CM region - locks must be displayed on the local node"),
ERR_TEXT, 2, REG_LEN_STR(gv_cur_region));
continue;
# endif
} else if (gv_cur_region->dyn.addr->acc_meth == dba_bg || gv_cur_region->dyn.addr->acc_meth == dba_mm)
{ /* Local region */
cs_addrs = &FILE_INFO(gv_cur_region)->s_addrs;
ls_len = (size_t)(cs_addrs->lock_addrs[1] - cs_addrs->lock_addrs[0]);
ctl = (mlk_ctldata_ptr_t)malloc(ls_len);
/* Prevent any modification of the lock space while we make a local copy of it */
if (cs_addrs->critical != NULL)
crash_count = cs_addrs->critical->crashcnt;
was_crit = cs_addrs->now_crit;
if (!nocrit && !was_crit)
grab_crit(gv_cur_region);
longcpy((uchar_ptr_t)ctl, (uchar_ptr_t)cs_addrs->lock_addrs[0], ls_len);
assert((ctl->max_blkcnt > 0) && (ctl->max_prccnt > 0) && ((ctl->subtop - ctl->subbase) > 0));
if (!nocrit && !was_crit)
rel_crit(gv_cur_region);
shr_sub_len = 0;
locks = ctl->blkroot == 0 ?
FALSE:
lke_showtree(NULL, (mlk_shrblk_ptr_t)R2A(ctl->blkroot), all, wait, pid,
one_lock, memory, &shr_sub_len);
/* lock space usage consists of: control_block + nodes(locks) + processes + substrings */
/* any of those subspaces can be bottleneck.
* Therefore we will report the subspace which is running out.
*/
ls_free = MIN(((float)ctl->blkcnt) / ctl->max_blkcnt, ((float)ctl->prccnt) / ctl->max_prccnt);
ls_free = MIN(1-(((float)shr_sub_len) / (ctl->subtop - ctl->subbase)), ls_free);
ls_free *= 100; /* Scale to [0-100] range. (couldn't do this inside util_out_print) */
if (ls_free < 1) /* No memory? Notify user. */
gtm_putmsg(VARLSTCNT(4) ERR_LOCKSPACEFULL, 2, DB_LEN_STR(gv_cur_region));
if (ls_free < 1 || memory)
{
if (ctl->subtop > ctl->subfree)
gtm_putmsg(VARLSTCNT(10) ERR_LOCKSPACEINFO, 8, REG_LEN_STR(gv_cur_region),
(ctl->max_prccnt - ctl->prccnt), ctl->max_prccnt,
(ctl->max_blkcnt - ctl->blkcnt), ctl->max_blkcnt, LEN_AND_LIT(" not "));
else
gtm_putmsg(VARLSTCNT(10) ERR_LOCKSPACEINFO, 8, REG_LEN_STR(gv_cur_region),
(ctl->max_prccnt - ctl->prccnt), ctl->max_prccnt,
(ctl->max_blkcnt - ctl->blkcnt), ctl->max_blkcnt, LEN_AND_LIT(" "));
}
free(ctl);
} 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));
}
assert((ls_free <= 100) && (ls_free >= 0));
gtm_putmsg(VARLSTCNT(4) ERR_LOCKSPACEUSE, 2, ((int)ls_free),
cs_addrs->hdr->lock_space_size/OS_PAGELET_SIZE);
}
}
if (!match && reg.len != 0)
rts_error(VARLSTCNT(4) ERR_NOREGION, 2, reg.len, reg.addr);
}
bool lke_cleartree(
gd_region *region,
struct CLB *lnk,
mlk_ctldata_ptr_t ctl,
mlk_shrblk_ptr_t tree,
bool all,
bool interactive,
int4 pid,
mstr one_lock)
{
mlk_shrblk_ptr_t node, oldnode, start[KDIM];
unsigned char subscript_offset[KDIM];
static char name_buffer[SDIM];
static MSTR_DEF(name, 0, name_buffer);
int depth = 0;
bool locks = FALSE, locked, deleted;
error_def(ERR_CTRLC);
node = start[0]
= tree;
subscript_offset[0] = 0;
for (;;)
{
name.len = subscript_offset[depth];
/* Display the lock node */
locked = lke_showlock(lnk, node, &name, all, FALSE, interactive, pid, one_lock);
locks |= locked;
/* If it was locked, clear it and wake up any processes waiting for it */
if (locked && lke_clearlock(region, lnk, ctl, node, &name, all, interactive, pid) && node->pending != 0)
mlk_wake_pending(ctl, node, region);
/* Move to the next node */
if (node->children == 0)
{
/* This node has no children, so move to the right */
oldnode = node;
node = (mlk_shrblk_ptr_t)R2A(node->rsib);
while (node == start[depth])
{
/* There are no more siblings to the right at this depth,
so move up and then right */
if (node->parent == 0)
{
/* We're already at the top, so we're done */
assert(depth == 0);
(void)mlk_shrblk_delete_if_empty(ctl, node);
return locks;
}
--depth;
node = (mlk_shrblk_ptr_t)R2A(node->parent);
(void)mlk_shrblk_delete_if_empty(ctl, oldnode);
oldnode = node;
node = (mlk_shrblk_ptr_t)R2A(node->rsib);
}
deleted = mlk_shrblk_delete_if_empty(ctl, oldnode);
if (deleted && start[depth] == oldnode)
start[depth] = node;
}
else
{
/* This node has children, so move down */
++depth;
node = start[depth]
= (mlk_shrblk_ptr_t)R2A(node->children);
subscript_offset[depth] = name.len;
}
if (util_interrupt)
rts_error(VARLSTCNT(1) ERR_CTRLC);
}
}
void lke_show(void)
{
bool locks, all = TRUE, wait = TRUE, interactive = FALSE, match = FALSE, memory = TRUE, nocrit = TRUE;
boolean_t exact = FALSE, was_crit;
int4 pid;
size_t ls_len;
int n;
char regbuf[MAX_RN_LEN], nodebuf[32], one_lockbuf[MAX_KEY_SZ];
mlk_ctldata_ptr_t ctl;
mstr reg, node, one_lock;
error_def(ERR_UNIMPLOP);
error_def(ERR_TEXT);
/* 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, ®, &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)
/* Obtain lock info from the remote node */
locks = gtcmtr_lke_showreq(gv_cur_region->dyn.addr->cm_blk, gv_cur_region->cmx_regnum,
all, wait, pid, &node);
# else
gtm_putmsg(VARLSTCNT(10) ERR_UNIMPLOP, 0, ERR_TEXT, 2,
LEN_AND_LIT("GT.CM region - locks must be displayed on the local node"),
ERR_TEXT, 2, REG_LEN_STR(gv_cur_region));
continue;
# endif
} else if (gv_cur_region->dyn.addr->acc_meth == dba_bg || gv_cur_region->dyn.addr->acc_meth == dba_mm)
{ /* Local region */
cs_addrs = &FILE_INFO(gv_cur_region)->s_addrs;
ls_len = (size_t)(cs_addrs->lock_addrs[1] - cs_addrs->lock_addrs[0]);
ctl = (mlk_ctldata_ptr_t)malloc(ls_len);
/* Prevent any modification of the lock space while we make a local copy of it */
if (cs_addrs->critical != NULL)
crash_count = cs_addrs->critical->crashcnt;
was_crit = cs_addrs->now_crit;
if (!nocrit && !was_crit)
grab_crit(gv_cur_region);
longcpy((uchar_ptr_t)ctl, (uchar_ptr_t)cs_addrs->lock_addrs[0], ls_len);
if (!nocrit && !was_crit)
rel_crit(gv_cur_region);
locks = ctl->blkroot == 0 ?
FALSE:
lke_showtree(NULL, (mlk_shrblk_ptr_t)R2A(ctl->blkroot), all, wait, pid,
one_lock, memory);
free(ctl);
} else
{
util_out_print(NULL, RESET);
util_out_print("Region is not BG, MM, or CM", FLUSH);
locks = TRUE;
}
if (!locks)
{
util_out_print(NULL, RESET);
util_out_print("No locks were found in !AD", FLUSH, REG_LEN_STR(gv_cur_region));
}
}
}
if (!match && reg.len != 0)
rts_error(VARLSTCNT(4) ERR_NOREGION, 2, reg.len, reg.addr);
}
void mlk_wake_pending(mlk_ctldata_ptr_t ctl,
mlk_shrblk_ptr_t d,
gd_region *reg)
{
mlk_prcblk_ptr_t next, pr;
sm_uint_ptr_t empty_slot, ctop;
sgmnt_addrs *csa;
boolean_t remote_pid;
int crit_wake_res; /* also used in macro DO_CRIT_WAKE */
int lcnt;
csa = &FILE_INFO(reg)->s_addrs;
if (!d->pending)
return;
ctl->wakeups++;
/* Before updating d->sequence ensure there is no process owning this lock, since otherwise when the owner process attempts
* to release the lock it will fail as its private copy of "p->sequence" will not match the shared memory "d->sequence".
*/
assert(!d->owner);
d->sequence = csa->hdr->trans_hist.lock_sequence++; /* This node is being awakened (GTCM) */
BG_TRACE_PRO_ANY(csa, mlock_wakeups); /* Record halted slumbers */
if (reg->dyn.addr->acc_meth == dba_bg &&
csa->hdr->clustered)
{
remote_pid = FALSE;
for (empty_slot = ctl->clus_pids,
ctop = &ctl->clus_pids[NUM_CLST_LCKS-1];
*empty_slot && empty_slot <= ctop; empty_slot++)
;
for (pr = (mlk_prcblk_ptr_t)R2A(d->pending), lcnt = csa->hdr->lock_space_size / PRC_FACTOR; lcnt; lcnt--)
{
next = (pr->next) ? (mlk_prcblk_ptr_t)R2A(pr->next) : 0; /* in case it's deleted */
if ((pr->process_id & NODENUMBER) == (process_id & NODENUMBER))
{
DO_CRIT_WAKE;
} else if (empty_slot <= ctop)
{
remote_pid = TRUE;
*empty_slot = pr->process_id;
empty_slot++;
}
if (next)
pr = next;
else
break;
}
if (remote_pid)
ccp_cluster_lock_wake(reg);
} else
{
for (pr = (mlk_prcblk_ptr_t)R2A(d->pending), lcnt = csa->hdr->lock_space_size / PRC_FACTOR; lcnt; lcnt--)
{
next = (pr->next) ? (mlk_prcblk_ptr_t)R2A(pr->next) : 0; /* in case it's deleted */
DO_CRIT_WAKE;
/* Wake one process to keep things orderly, if it loses its way, others
* will jump in after a timout */
if (GONE == crit_wake_res && next)
pr = next;
else
break;
}
}
if (!lcnt)
GTMASSERT;
return;
}
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, ®, &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);
}
