static void jnl_oper_krnl_ast(gd_region *reg)
{
jnl_private_control *jpc;
if (!GTM_PROBE(SIZEOF(gd_region), reg, READ) || !reg->open)
return;
if (!GTM_PROBE(SIZEOF(gd_segment), reg->dyn.addr, READ))
return;
if (dba_bg != reg->dyn.addr->acc_meth && dba_mm != reg->dyn.addr->acc_meth)
return;
if (!GTM_PROBE(SIZEOF(file_control), reg->dyn.addr->file_cntl, READ))
return;
if (!GTM_PROBE(SIZEOF(vms_gd_info), reg->dyn.addr->file_cntl->file_info, READ))
return;
jpc = FILE_INFO(reg)->s_addrs.jnl; /* since *cs_addrs is a part of vms_gds_info, no additional probe
for sgmnt_addrs is needed */
if (!GTM_PROBE(SIZEOF(jnl_private_control), jpc, WRITE))
return;
if ((FALSE == jpc->qio_active) && (NOJNL != jpc->channel))
{
jpc->old_channel = jpc->channel;
jpc->channel = NOJNL;
if (!GTM_PROBE(SIZEOF(vms_lock_sb), jpc->jnllsb, WRITE))
return;
jpc->status = gtm_deq(jpc->jnllsb->lockid, NULL, PSL$C_USER, 0);
sys$dclast(jnl_oper_user_ast, reg, PSL$C_USER); /* if it fails, jnl_ensure_open should cleanup */
}
}
void jnl_oper_user_ast(gd_region *reg)
{
jnl_private_control *jpc;
uint4 status;
int close_res;
if (reg && reg->open)
{
jpc = FILE_INFO(reg)->s_addrs.jnl;
if (SS_NORMAL != jpc->status)
{
assert(0 != jpc->jnllsb->lockid);
status = gtm_deq(jpc->jnllsb->lockid, NULL, PSL$C_USER, 0);
assert(SS$_NORMAL == status);
jnl_send_oper(jpc, status);
}
if ((FALSE == jpc->qio_active) && (NOJNL != jpc->old_channel))
{
JNL_FD_CLOSE(jpc->old_channel, close_res); /* sets csa->jnl->channel to NOJNL */
jpc->pini_addr = 0;
jpc->jnllsb->lockid = 0;
}
}
}
void jnl_file_lost(jnl_private_control *jpc, uint4 jnl_stat)
{ /* Notify operator and terminate journaling */
unsigned int status;
sgmnt_addrs *csa;
seq_num reg_seqno, jnlseqno;
error_def(ERR_REPLJNLCLOSED);
error_def(ERR_JNLCLOSED);
switch(jpc->region->dyn.addr->acc_meth)
{
case dba_mm:
case dba_bg:
csa = &FILE_INFO(jpc->region)->s_addrs;
break;
default:
GTMASSERT;
}
#ifdef VMS
/* The following assert has been removed as it could be FALSE if the caller is "jnl_file_extend"
* assert(0 != memcmp(csa->nl->jnl_file.jnl_file_id.fid, zero_fid, sizeof(zero_fid)));
*/
#endif
assert(csa->now_crit);
if (0 != jnl_stat)
jnl_send_oper(jpc, jnl_stat);
csa->hdr->jnl_state = jnl_closed;
jpc->jnl_buff->cycle++; /* increment shared cycle so all future callers of jnl_ensure_open recognize journal switch */
assert(jpc->cycle < jpc->jnl_buff->cycle);
if (REPL_ENABLED(csa->hdr))
{
csa->hdr->repl_state = repl_was_open;
reg_seqno = csa->hdr->reg_seqno;
jnlseqno = (NULL != jnlpool.jnlpool_ctl) ? jnlpool.jnlpool_ctl->jnl_seqno : MAX_SEQNO;
send_msg(VARLSTCNT(8) ERR_REPLJNLCLOSED, 6, DB_LEN_STR(jpc->region), ®_seqno, ®_seqno, &jnlseqno, &jnlseqno);
} else
send_msg(VARLSTCNT(5) ERR_JNLCLOSED, 3, DB_LEN_STR(jpc->region), &csa->ti->curr_tn);
#ifdef VMS
assert(0 != csa->jnl->jnllsb->lockid);
status = gtm_enqw(EFN$C_ENF, LCK$K_EXMODE, csa->jnl->jnllsb, LCK$M_CONVERT | LCK$M_NODLCKBLK,
NULL, 0, NULL, 0, NULL, PSL$C_USER, 0);
if (SS$_NORMAL == status)
status = csa->jnl->jnllsb->cond;
jnl_file_close(jpc->region, FALSE, FALSE);
if (SS$_NORMAL == status)
status = gtm_deq(csa->jnl->jnllsb->lockid, NULL, PSL$C_USER, 0);
if (SS$_NORMAL != status)
GTMASSERT;
# else
jnl_file_close(jpc->region, FALSE, FALSE);
#endif
}
void gtm_blkast(gd_region *region)
{
vms_gds_info *vbi;
if (region != NULL)
{
vbi = FILE_INFO(region);
gtm_deq(vbi->file_cntl_lsb.lockid, NULL, PSL$C_USER, LCK$M_CANCEL);
gtm_enqw(EFN$C_ENF, LCK$K_PWMODE, &vbi->file_cntl_lsb, LCK$M_CONVERT, NULL, 0,
NULL, 0, NULL, PSL$C_USER, 0);
/* Update the lock value block and reestablish the blocking AST */
vbi->file_cntl_lsb.valblk[0] = region->node;
gtm_enq(0, LCK$K_CRMODE, &vbi->file_cntl_lsb, LCK$M_CONVERT | LCK$M_VALBLK, NULL, 0,
NULL, region, gtm_blkast, PSL$C_USER, 0);
}
}
uint4 jnl_file_lost(jnl_private_control *jpc, uint4 jnl_stat)
{ /* Notify operator and terminate journaling */
unsigned int status;
sgmnt_addrs *csa;
seq_num reg_seqno, jnlseqno;
boolean_t was_lockid = FALSE, instfreeze_environ;
DCL_THREADGBL_ACCESS;
SETUP_THREADGBL_ACCESS;
switch(jpc->region->dyn.addr->acc_meth)
{
case dba_mm:
case dba_bg:
csa = &FILE_INFO(jpc->region)->s_addrs;
break;
default:
assertpro(FALSE && jpc->region->dyn.addr->acc_meth);
}
# ifdef VMS
/* The following assert has been removed as it could be FALSE if the caller is "jnl_file_extend"
* assert(0 != memcmp(csa->nl->jnl_file.jnl_file_id.fid, zero_fid, SIZEOF(zero_fid)));
*/
# endif
assert(csa->now_crit);
/* We issue an rts_error (instead of shutting off journaling) in the following cases : {BYPASSOK}
* 1) $gtm_error_on_jnl_file_lost is set to issue runtime error (if not already issued) in case of journaling issues.
* 2) The process has the given message set in $gtm_custom_errors (indicative of instance freeze on error setup)
* in which case the goal is to never shut-off journaling
*/
UNIX_ONLY(assert(jnlpool.jnlpool_ctl == jnlpool_ctl));
UNIX_ONLY(instfreeze_environ = INST_FREEZE_ON_MSG_ENABLED(csa, jnl_stat));
VMS_ONLY(instfreeze_environ = FALSE);
if ((JNL_FILE_LOST_ERRORS == TREF(error_on_jnl_file_lost)) || instfreeze_environ)
{
VMS_ONLY(assert(FALSE)); /* Not fully implemented / supported on VMS. */
if (!process_exiting || instfreeze_environ || !csa->jnl->error_reported)
{
csa->jnl->error_reported = TRUE;
in_wcs_recover = FALSE; /* in case we're called in wcs_recover() */
if (SS_NORMAL != jpc->status)
rts_error_csa(CSA_ARG(csa) VARLSTCNT(7) jnl_stat, 4, JNL_LEN_STR(csa->hdr),
DB_LEN_STR(gv_cur_region), jpc->status);
else
rts_error_csa(CSA_ARG(csa) VARLSTCNT(6) jnl_stat, 4, JNL_LEN_STR(csa->hdr),
DB_LEN_STR(gv_cur_region));
}
return jnl_stat;
}
if (0 != jnl_stat)
jnl_send_oper(jpc, jnl_stat);
csa->hdr->jnl_state = jnl_closed;
jpc->jnl_buff->cycle++; /* increment shared cycle so all future callers of jnl_ensure_open recognize journal switch */
assert(jpc->cycle < jpc->jnl_buff->cycle);
if (REPL_ENABLED(csa->hdr))
{
csa->hdr->repl_state = repl_was_open;
reg_seqno = csa->hdr->reg_seqno;
jnlseqno = (NULL != jnlpool.jnlpool_ctl) ? jnlpool.jnlpool_ctl->jnl_seqno : MAX_SEQNO;
send_msg_csa(CSA_ARG(csa) VARLSTCNT(8) ERR_REPLJNLCLOSED, 6, DB_LEN_STR(jpc->region), ®_seqno, ®_seqno,
&jnlseqno, &jnlseqno);
} else
send_msg_csa(CSA_ARG(csa) VARLSTCNT(5) ERR_JNLCLOSED, 3, DB_LEN_STR(jpc->region), &csa->ti->curr_tn);
#ifdef VMS
/* We can get a jnl_file_lost before the file is even created, so locking is done only if the lock exist */
if (0 != csa->jnl->jnllsb->lockid)
{
was_lockid = TRUE;
status = gtm_enqw(EFN$C_ENF, LCK$K_EXMODE, csa->jnl->jnllsb, LCK$M_CONVERT | LCK$M_NODLCKBLK,
NULL, 0, NULL, 0, NULL, PSL$C_USER, 0);
if (SS$_NORMAL == status)
status = csa->jnl->jnllsb->cond;
}
jnl_file_close(jpc->region, FALSE, FALSE);
if (was_lockid)
{
if (SS$_NORMAL == status)
status = gtm_deq(csa->jnl->jnllsb->lockid, NULL, PSL$C_USER, 0);
assertpro(SS$_NORMAL == status);
}
# else
jnl_file_close(jpc->region, FALSE, FALSE);
#endif
return EXIT_NRM;
}
void ccp_close1(ccp_db_header *db)
{
ccp_db_header *db0, *db1;
ccp_que_entry *que_ent;
ccp_relque *que_hd;
mem_list *ml_ptr, *ml_ptr_hold;
sgmnt_addrs *csa;
vms_gds_info *gds_info;
unsigned char section_name[GLO_NAME_MAXLEN];
uint4 retadr[2], status, outaddrs[2];
struct dsc$descriptor_s name_dsc;
if (ccp_stop)
ccp_stop_ctr--;
if (db->stale_in_progress)
sys$cantim(&db->stale_timer_id, PSL$C_USER);
ccp_quemin_adjust(CCP_CLOSE_REGION);
sys$cantim(&db->tick_timer_id, PSL$C_USER);
sys$cantim(&db->quantum_timer_id, PSL$C_USER);
db->segment->nl->ccp_state = CCST_CLOSED;
db->wmexit_requested = TRUE; /* ignore any blocking ASTs - already releasing */
gds_info = FILE_INFO(db->greg);
if (JNL_ENABLED(db->glob_sec))
{
if (db->segment->jnl != NULL && db->segment->jnl->channel != 0)
{
status = sys$setimr(0, delta_1_sec, ccp_close_timeout, &db->close_timer_id, 0);
if (status != SS$_NORMAL)
ccp_signal_cont(status); /***** Is this reasonable? *****/
status = ccp_enqw(EFN$C_ENF, LCK$K_EXMODE, &db->wm_iosb, LCK$M_CONVERT | LCK$M_NOQUEUE, NULL, 0,
NULL, 0, NULL, PSL$C_USER, 0);
if (status == SS$_NOTQUEUED)
/* We're not the only node accessing the journal file */
jnl_file_close(db->greg, FALSE, FALSE);
else
{
/***** Check error status here? *****/
if (db->segment->jnl->jnl_buff->before_images &&
db->segment->ti->curr_tn > db->segment->jnl->jnl_buff->epoch_tn)
{
csa = db->segment;
JNL_SHORT_TIME(jgbl.gbl_jrec_time); /* needed for jnl_put_jrt_pini()
and jnl_write_epoch_rec() */
if (0 == csa->jnl->pini_addr)
jnl_put_jrt_pini(csa);
db->segment->jnl->jnl_buff->epoch_tn = db->segment->ti->curr_tn;
jnl_write_epoch_rec(db->segment);
}
jnl_file_close(db->greg, TRUE, FALSE);
}
sys$cantim(&db->close_timer_id, PSL$C_USER);
status = gtm_deq(gds_info->s_addrs.jnl->jnllsb->lockid, NULL, PSL$C_USER, 0);
if (status != SS$_NORMAL)
ccp_signal_cont(status); /***** Is this reasonable? *****/
}
}
db->segment = NULL; /* Warn AST's that the segment has been deleted */
status = sys$deq(db->lock_iosb.lockid, NULL, PSL$C_USER, LCK$M_CANCEL);
if (status != SS$_NORMAL && status != SS$_CANCELGRANT)
ccp_signal_cont(status); /***** Is this reasonable? *****/
status = sys$deq(db->refcnt_iosb.lockid, NULL, PSL$C_USER, LCK$M_CANCEL);
if (status != SS$_NORMAL && status != SS$_CANCELGRANT)
ccp_signal_cont(status); /***** Is this reasonable? *****/
status = sys$deq(db->wm_iosb.lockid, NULL, PSL$C_USER, LCK$M_CANCEL);
if (status != SS$_NORMAL && status != SS$_CANCELGRANT)
ccp_signal_cont(status); /***** Is this reasonable? *****/
status = sys$deq(db->flush_iosb.lockid, NULL, PSL$C_USER, LCK$M_CANCEL);
if (status != SS$_NORMAL && status != SS$_CANCELGRANT)
ccp_signal_cont(status); /***** Is this reasonable? *****/
status = sys$cancel(gds_info->fab->fab$l_stv);
if (status != SS$_NORMAL)
ccp_signal_cont(status); /***** Is this reasonable? *****/
status = sys$dassgn(gds_info->fab->fab$l_stv);
if (status != SS$_NORMAL)
ccp_signal_cont(status); /***** Is this reasonable? *****/
csa = &gds_info->s_addrs;
outaddrs[0] = csa->db_addrs[0] - OS_PAGE_SIZE; /* header no access page */
outaddrs[1] = csa->db_addrs[1] + OS_PAGE_SIZE; /* trailer no access page */
if (FALSE == is_va_free(outaddrs[0]))
gtm_deltva(outaddrs, NULL, PSL$C_USER);
if (status != SS$_NORMAL)
ccp_signal_cont(status); /***** Is this reasonable? *****/
status = sys$cretva(csa->db_addrs, retadr, PSL$C_USER);
if (status != SS$_NORMAL)
ccp_signal_cont(status); /***** Is this reasonable? *****/
assert(retadr[0] == csa->db_addrs[0] && retadr[1] == csa->db_addrs[1]);
ml_ptr_hold=db->mem_ptr;
if (ml_ptr_hold->prev != NULL)
{
/* if prior segment is adjacent and free, coalesce the segments */
if (ml_ptr_hold->prev->free &&
ml_ptr_hold->addr == ml_ptr_hold->prev->addr + OS_PAGELET_SIZE * ml_ptr_hold->prev->pages)
{
ml_ptr = ml_ptr_hold->prev;
ml_ptr->next = ml_ptr_hold->next;
if (ml_ptr->next != NULL)
ml_ptr->next->prev = ml_ptr;
ml_ptr->pages += ml_ptr_hold->pages;
free(ml_ptr_hold);
ml_ptr_hold = ml_ptr;
}
}
if (ml_ptr_hold->next != NULL)
{
/* if next segment is adjacent and free, coalesce the segments */
if (ml_ptr_hold->next->free &&
ml_ptr_hold->next->addr == ml_ptr_hold->addr + OS_PAGELET_SIZE * ml_ptr_hold->pages)
{
ml_ptr = ml_ptr_hold->next;
ml_ptr_hold->next = ml_ptr->next;
if (ml_ptr_hold->next != NULL)
ml_ptr_hold->next->prev = ml_ptr_hold;
ml_ptr_hold->pages += ml_ptr->pages;
free(ml_ptr);
}
}
ml_ptr_hold->free = TRUE;
global_name("GT$S", &gds_info->file_id, section_name);
name_dsc.dsc$a_pointer = §ion_name[1];
name_dsc.dsc$w_length = section_name[0];
name_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
name_dsc.dsc$b_class = DSC$K_CLASS_S;
status = del_sec(SEC$M_SYSGBL, &name_dsc, NULL);
if (status != SS$_NORMAL)
ccp_signal_cont(status); /***** Is this reasonable? *****/
/* Dequeue locks after delete section in ccp_close,
acquire lock before create section in gvcst_init,
release lock after delete section in gds_rundown */
status = gtm_deq(db->lock_iosb.lockid, NULL, PSL$C_USER, 0);
if (status != SS$_NORMAL)
ccp_signal_cont(status); /***** Is this reasonable? *****/
status = gtm_deq(db->refcnt_iosb.lockid, NULL, PSL$C_USER, 0);
if (status != SS$_NORMAL)
ccp_signal_cont(status); /***** Is this reasonable? *****/
status = gtm_deq(db->wm_iosb.lockid, NULL, PSL$C_USER, 0);
if (status != SS$_NORMAL)
ccp_signal_cont(status); /***** Is this reasonable? *****/
status = gtm_deq(db->flush_iosb.lockid, NULL, PSL$C_USER, 0);
if (status != SS$_NORMAL)
ccp_signal_cont(status); /***** Is this reasonable? *****/
que_hd = &ccp_action_que[PRIORITY];
for (que_ent = (char *)que_hd + que_hd->bl; que_ent != que_hd; que_ent = (char *)que_ent + que_ent->q.bl)
if (que_ent->value.v.h == db)
que_ent->value.v.h = 0;
free(gds_info->fab->fab$l_nam);
free(gds_info->fab);
free(db->greg->dyn.addr);
free(db->greg);
/* Remove db from list, this list should never be changed in an AST */
for (db0 = ccp_reg_root, db1 = NULL; db0 != db; db1 = db0, db0 = db0->next)
;
if (db1 == NULL)
ccp_reg_root = db0->next;
else
db1->next = db0->next;
free(db);
return;
}
