int cce_sec_size(gds_file_id *file)
{
uint4 status;
int size;
short iosb[4];
sgmnt_data sd;
sgmnt_data_ptr_t csd = &sd;
char expanded_file_name[MAX_FN_LEN];
struct FAB fab;
struct NAM nam;
int buckets;
fab = cc$rms_fab;
fab.fab$l_fop = FAB$M_NAM | FAB$M_UFO;
fab.fab$b_fac = FAB$M_GET | FAB$M_PUT | FAB$M_BIO;
fab.fab$b_shr = FAB$M_SHRPUT | FAB$M_SHRGET | FAB$M_UPI;
fab.fab$l_nam = &nam;
nam = cc$rms_nam;
nam.nam$b_ess = MAX_FN_LEN;
nam.nam$l_esa = expanded_file_name;
memcpy(nam.nam$t_dvi, file->dvi,file->dvi[0] + 1);
memcpy(nam.nam$w_fid, file->fid, SIZEOF(file->fid));
status = sys$open(&fab, 0, 0);
if (!(status & 1))
return 0;
status = sys$qiow(EFN$C_ENF,fab.fab$l_stv, IO$_READVBLK, &iosb[0], 0,0, csd, SIZEOF(sgmnt_data), 1,0,0,0);
if (!(status & 1))
return 0;
buckets = getprime(sd.n_bts);
size = (LOCK_BLOCK(csd) * DISK_BLOCK_SIZE) + LOCK_SPACE_SIZE(csd) + CACHE_CONTROL_SIZE(csd) + NODE_LOCAL_SPACE(csd)
+ JNL_SHARE_SIZE(csd);
sys$dassgn(fab.fab$l_stv);
return size / OS_PAGELET_SIZE;
}
void dbsecspc(gd_region *reg, sgmnt_data_ptr_t csd)
{
switch(reg->dyn.addr->acc_meth)
{
case dba_mm:
reg->sec_size = NODE_LOCAL_SPACE + LOCK_SPACE_SIZE(csd) + MMBLK_CONTROL_SIZE(csd)
+ JNL_SHARE_SIZE(csd) + BACKUP_BUFFER_SIZE;
break;
case dba_bg:
reg->sec_size = NODE_LOCAL_SPACE + (LOCK_BLOCK(csd) * DISK_BLOCK_SIZE) + LOCK_SPACE_SIZE(csd)
+ CACHE_CONTROL_SIZE(csd) + JNL_SHARE_SIZE(csd) + BACKUP_BUFFER_SIZE;
break;
default:
GTMASSERT;
}
return;
}
void db_init(gd_region *reg, sgmnt_data_ptr_t tsd)
{
static boolean_t mutex_init_done = FALSE;
boolean_t is_bg, read_only;
char machine_name[MAX_MCNAMELEN];
file_control *fc;
int gethostname_res, stat_res, mm_prot;
int4 status, semval, dblksize, fbwsize;
sm_long_t status_l;
sgmnt_addrs *csa;
sgmnt_data_ptr_t csd;
struct sembuf sop[3];
struct stat stat_buf;
union semun semarg;
struct semid_ds semstat;
struct shmid_ds shmstat;
struct statvfs dbvfs;
uint4 sopcnt;
unix_db_info *udi;
#ifdef periodic_timer_removed
void periodic_flush_check();
#endif
error_def(ERR_CLSTCONFLICT);
error_def(ERR_CRITSEMFAIL);
error_def(ERR_DBNAMEMISMATCH);
error_def(ERR_DBIDMISMATCH);
error_def(ERR_NLMISMATCHCALC);
error_def(ERR_REQRUNDOWN);
error_def(ERR_SYSCALL);
assert(tsd->acc_meth == dba_bg || tsd->acc_meth == dba_mm);
is_bg = (dba_bg == tsd->acc_meth);
read_only = reg->read_only;
new_dbinit_ipc = FALSE; /* we did not create a new ipc resource */
udi = FILE_INFO(reg);
memset(machine_name, 0, sizeof(machine_name));
if (GETHOSTNAME(machine_name, MAX_MCNAMELEN, gethostname_res))
rts_error(VARLSTCNT(5) ERR_TEXT, 2, LEN_AND_LIT("Unable to get the hostname"), errno);
assert(strlen(machine_name) < MAX_MCNAMELEN);
csa = &udi->s_addrs;
csa->db_addrs[0] = csa->db_addrs[1] = csa->lock_addrs[0] = NULL; /* to help in dbinit_ch and gds_rundown */
reg->opening = TRUE;
/*
* Create ftok semaphore for this region.
* We do not want to make ftok counter semaphore to be 2 for on mupip journal recover process.
*/
if (!ftok_sem_get(reg, !mupip_jnl_recover, GTM_ID, FALSE))
rts_error(VARLSTCNT(4) ERR_DBFILERR, 2, DB_LEN_STR(reg));
/*
* At this point we have ftok_semid sempahore based on ftok key.
* Any ftok conflicted region will block at this point.
* Say, a.dat and b.dat both has same ftok and we have process A to access a.dat and
* process B to access b.dat. In this case only one can continue to do db_init()
*/
fc = reg->dyn.addr->file_cntl;
fc->file_type = reg->dyn.addr->acc_meth;
fc->op = FC_READ;
fc->op_buff = (sm_uc_ptr_t)tsd;
fc->op_len = sizeof(*tsd);
fc->op_pos = 1;
dbfilop(fc); /* Read file header */
udi->shmid = tsd->shmid;
udi->semid = tsd->semid;
udi->sem_ctime = tsd->sem_ctime.ctime;
udi->shm_ctime = tsd->shm_ctime.ctime;
dbsecspc(reg, tsd); /* Find db segment size */
if (!mupip_jnl_recover)
{
if (INVALID_SEMID == udi->semid)
{
if (0 != udi->sem_ctime || INVALID_SHMID != udi->shmid || 0 != udi->shm_ctime)
/* We must have somthing wrong in protocol or, code, if this happens */
GTMASSERT;
/*
* Create new semaphore using IPC_PRIVATE. System guarantees a unique id.
*/
if (-1 == (udi->semid = semget(IPC_PRIVATE, FTOK_SEM_PER_ID, RWDALL | IPC_CREAT)))
{
udi->semid = INVALID_SEMID;
rts_error(VARLSTCNT(9) ERR_DBFILERR, 2, DB_LEN_STR(reg),
ERR_TEXT, 2, LEN_AND_LIT("Error with database control semget"), errno);
}
udi->shmid = INVALID_SHMID; /* reset shmid so dbinit_ch does not get confused in case we go there */
new_dbinit_ipc = TRUE;
tsd->semid = udi->semid;
semarg.val = GTM_ID;
/*
* Following will set semaphore number 2 (=FTOK_SEM_PER_ID - 1) value as GTM_ID.
* In case we have orphaned semaphore for some reason, mupip rundown will be
* able to identify GTM semaphores from the value and can remove.
*/
if (-1 == semctl(udi->semid, FTOK_SEM_PER_ID - 1, SETVAL, semarg))
rts_error(VARLSTCNT(9) ERR_DBFILERR, 2, DB_LEN_STR(reg),
ERR_TEXT, 2, LEN_AND_LIT("Error with database control semctl SETVAL"), errno);
/*
* Warning: We must read the sem_ctime using IPC_STAT after SETVAL, which changes it.
* We must NOT do any more SETVAL after this. Our design is to use
* sem_ctime as creation time of semaphore.
*/
semarg.buf = &semstat;
if (-1 == semctl(udi->semid, FTOK_SEM_PER_ID - 1, IPC_STAT, semarg))
rts_error(VARLSTCNT(9) ERR_DBFILERR, 2, DB_LEN_STR(reg),
ERR_TEXT, 2, LEN_AND_LIT("Error with database control semctl IPC_STAT"), errno);
tsd->sem_ctime.ctime = udi->sem_ctime = semarg.buf->sem_ctime;
} else
{
if (INVALID_SHMID == udi->shmid)
/* if mu_rndwn_file gets standalone access of this region and
* somehow mupip process crashes, we can have semid != -1 but shmid == -1
*/
rts_error(VARLSTCNT(10) ERR_REQRUNDOWN, 4, DB_LEN_STR(reg), LEN_AND_STR(tsd->machine_name),
ERR_TEXT, 2, LEN_AND_LIT("semid is valid but shmid is invalid"));
semarg.buf = &semstat;
if (-1 == semctl(udi->semid, 0, IPC_STAT, semarg))
/* file header has valid semid but semaphore does not exists */
rts_error(VARLSTCNT(6) ERR_REQRUNDOWN, 4, DB_LEN_STR(reg), LEN_AND_STR(tsd->machine_name));
else if (semarg.buf->sem_ctime != tsd->sem_ctime.ctime)
rts_error(VARLSTCNT(10) ERR_REQRUNDOWN, 4, DB_LEN_STR(reg), LEN_AND_STR(tsd->machine_name),
ERR_TEXT, 2, LEN_AND_LIT("sem_ctime does not match"));
if (-1 == shmctl(udi->shmid, IPC_STAT, &shmstat))
rts_error(VARLSTCNT(9) ERR_DBFILERR, 2, DB_LEN_STR(reg),
ERR_TEXT, 2, LEN_AND_LIT("Error with database control shmctl"), errno);
else if (shmstat.shm_ctime != tsd->shm_ctime.ctime)
rts_error(VARLSTCNT(10) ERR_REQRUNDOWN, 4, DB_LEN_STR(reg), LEN_AND_STR(tsd->machine_name),
ERR_TEXT, 2, LEN_AND_LIT("shm_ctime does not match"));
}
/* We already have ftok semaphore of this region, so just plainly do semaphore operation */
/* This is the database access control semaphore for any region */
sop[0].sem_num = 0; sop[0].sem_op = 0; /* Wait for 0 */
sop[1].sem_num = 0; sop[1].sem_op = 1; /* Lock */
sopcnt = 2;
if (!read_only)
{
sop[2].sem_num = 1; sop[2].sem_op = 1; /* increment r/w access counter */
sopcnt = 3;
}
sop[0].sem_flg = sop[1].sem_flg = sop[2].sem_flg = SEM_UNDO | IPC_NOWAIT;
SEMOP(udi->semid, sop, sopcnt, status);
if (-1 == status)
{
errno_save = errno;
gtm_putmsg(VARLSTCNT(4) ERR_CRITSEMFAIL, 2, DB_LEN_STR(reg));
rts_error(VARLSTCNT(8) ERR_SYSCALL, 5, RTS_ERROR_LITERAL("semop()"), CALLFROM, errno_save);
}
} else /* for mupip_jnl_recover we were already in mu_rndwn_file and got "semid" semaphore */
{
if (INVALID_SEMID == udi->semid || 0 == udi->sem_ctime)
/* make sure mu_rndwn_file() has reset created semaphore for standalone access */
GTMASSERT;
if (INVALID_SHMID != udi->shmid || 0 != udi->shm_ctime)
/* make sure mu_rndwn_file() has reset shared memory */
GTMASSERT;
udi->shmid = INVALID_SHMID; /* reset shmid so dbinit_ch does not get confused in case we go there */
new_dbinit_ipc = TRUE;
}
sem_incremented = TRUE;
if (new_dbinit_ipc)
{
/* Create new shared memory using IPC_PRIVATE. System guarantees a unique id */
#ifdef __MVS__
if (-1 == (status_l = udi->shmid = shmget(IPC_PRIVATE, ROUND_UP(reg->sec_size, MEGA_BOUND),
__IPC_MEGA | IPC_CREAT | RWDALL)))
#else
if (-1 == (status_l = udi->shmid = shmget(IPC_PRIVATE, reg->sec_size, RWDALL | IPC_CREAT)))
#endif
{
udi->shmid = status_l = INVALID_SHMID;
rts_error(VARLSTCNT(9) ERR_DBFILERR, 2, DB_LEN_STR(reg),
ERR_TEXT, 2, LEN_AND_LIT("Error with database shmget"), errno);
}
tsd->shmid = udi->shmid;
if (-1 == shmctl(udi->shmid, IPC_STAT, &shmstat))
rts_error(VARLSTCNT(9) ERR_DBFILERR, 2, DB_LEN_STR(reg),
ERR_TEXT, 2, LEN_AND_LIT("Error with database control shmctl"), errno);
tsd->shm_ctime.ctime = udi->shm_ctime = shmstat.shm_ctime;
}
#ifdef DEBUG_DB64
status_l = (sm_long_t)(csa->db_addrs[0] = (sm_uc_ptr_t)do_shmat(udi->shmid, next_smseg, SHM_RND));
next_smseg = (sm_uc_ptr_t)ROUND_UP((sm_long_t)(next_smseg + reg->sec_size), SHMAT_ADDR_INCS);
#else
status_l = (sm_long_t)(csa->db_addrs[0] = (sm_uc_ptr_t)do_shmat(udi->shmid, 0, SHM_RND));
#endif
if (-1 == status_l)
{
rts_error(VARLSTCNT(9) ERR_DBFILERR, 2, DB_LEN_STR(reg),
ERR_TEXT, 2, LEN_AND_LIT("Error attaching to database shared memory"), errno);
}
csa->nl = (node_local_ptr_t)csa->db_addrs[0];
csa->critical = (mutex_struct_ptr_t)(csa->db_addrs[0] + NODE_LOCAL_SIZE);
assert(((int)csa->critical & 0xf) == 0); /* critical should be 16-byte aligned */
#ifdef CACHELINE_SIZE
assert(0 == ((int)csa->critical & (CACHELINE_SIZE - 1)));
#endif
/* Note: Here we check jnl_sate from database file and its value cannot change without standalone access.
* The jnl_buff buffer should be initialized irrespective of read/write process */
JNL_INIT(csa, reg, tsd);
csa->backup_buffer = (backup_buff_ptr_t)(csa->db_addrs[0] + NODE_LOCAL_SPACE + JNL_SHARE_SIZE(tsd));
csa->lock_addrs[0] = (sm_uc_ptr_t)csa->backup_buffer + BACKUP_BUFFER_SIZE + 1;
csa->lock_addrs[1] = csa->lock_addrs[0] + LOCK_SPACE_SIZE(tsd) - 1;
csa->total_blks = tsd->trans_hist.total_blks; /* For test to see if file has extended */
if (new_dbinit_ipc)
{
memset(csa->nl, 0, sizeof(*csa->nl)); /* We allocated shared storage -- we have to init it */
if (JNL_ALLOWED(csa))
{ /* initialize jb->cycle to a value different from initial value of jpc->cycle (0). although this is not
* necessary right now, in the future, the plan is to change jnl_ensure_open() to only do a cycle mismatch
* check in order to determine whether to call jnl_file_open() or not. this is in preparation for that.
*/
csa->jnl->jnl_buff->cycle = 1;
}
}
if (is_bg)
csd = csa->hdr = (sgmnt_data_ptr_t)(csa->lock_addrs[1] + 1 + CACHE_CONTROL_SIZE(tsd));
else
{
csa->acc_meth.mm.mmblk_state = (mmblk_que_heads_ptr_t)(csa->lock_addrs[1] + 1);
FSTAT_FILE(udi->fd, &stat_buf, stat_res);
if (-1 == stat_res)
rts_error(VARLSTCNT(5) ERR_DBFILERR, 2, DB_LEN_STR(reg), errno);
mm_prot = read_only ? PROT_READ : (PROT_READ | PROT_WRITE);
#ifdef DEBUG_DB64
if (-1 == (sm_long_t)(csa->db_addrs[0] = (sm_uc_ptr_t)mmap((caddr_t)get_mmseg((size_t)stat_buf.st_size),
(size_t)stat_buf.st_size,
mm_prot,
GTM_MM_FLAGS, udi->fd, (off_t)0)))
rts_error(VARLSTCNT(5) ERR_DBFILERR, 2, DB_LEN_STR(reg), errno);
put_mmseg((caddr_t)(csa->db_addrs[0]), (size_t)stat_buf.st_size);
#else
if (-1 == (sm_long_t)(csa->db_addrs[0] = (sm_uc_ptr_t)mmap((caddr_t)NULL,
(size_t)stat_buf.st_size,
mm_prot,
GTM_MM_FLAGS, udi->fd, (off_t)0)))
rts_error(VARLSTCNT(5) ERR_DBFILERR, 2, DB_LEN_STR(reg), errno);
#endif
csa->db_addrs[1] = csa->db_addrs[0] + stat_buf.st_size - 1;
csd = csa->hdr = (sgmnt_data_ptr_t)csa->db_addrs[0];
}
if (!csa->nl->glob_sec_init)
{
assert(new_dbinit_ipc);
if (is_bg)
*csd = *tsd;
if (csd->machine_name[0]) /* crash occured */
{
if (0 != memcmp(csd->machine_name, machine_name, MAX_MCNAMELEN)) /* crashed on some other node */
rts_error(VARLSTCNT(6) ERR_CLSTCONFLICT, 4, DB_LEN_STR(reg), LEN_AND_STR(csd->machine_name));
else
rts_error(VARLSTCNT(6) ERR_REQRUNDOWN, 4, DB_LEN_STR(reg), LEN_AND_STR(csd->machine_name));
}
if (is_bg)
{
bt_malloc(csa);
csa->nl->cache_off = -CACHE_CONTROL_SIZE(tsd);
db_csh_ini(csa);
}
db_csh_ref(csa);
strcpy(csa->nl->machine_name, machine_name); /* machine name */
assert(MAX_REL_NAME > gtm_release_name_len);
memcpy(csa->nl->now_running, gtm_release_name, gtm_release_name_len + 1); /* GT.M release name */
memcpy(csa->nl->label, GDS_LABEL, GDS_LABEL_SZ - 1); /* GDS label */
memcpy(csa->nl->fname, reg->dyn.addr->fname, reg->dyn.addr->fname_len); /* database filename */
csa->nl->creation_date_time = csd->creation.date_time;
csa->nl->highest_lbm_blk_changed = -1;
csa->nl->wcs_timers = -1;
csa->nl->nbb = BACKUP_NOT_IN_PROGRESS;
csa->nl->unique_id.uid = FILE_INFO(reg)->fileid; /* save what file we initialized this storage for */
/* save pointers in csa to access shared memory */
csa->nl->critical = (sm_off_t)((sm_uc_ptr_t)csa->critical - (sm_uc_ptr_t)csa->nl);
if (JNL_ALLOWED(csa))
csa->nl->jnl_buff = (sm_off_t)((sm_uc_ptr_t)csa->jnl->jnl_buff - (sm_uc_ptr_t)csa->nl);
csa->nl->backup_buffer = (sm_off_t)((sm_uc_ptr_t)csa->backup_buffer - (sm_uc_ptr_t)csa->nl);
csa->nl->hdr = (sm_off_t)((sm_uc_ptr_t)csd - (sm_uc_ptr_t)csa->nl);
csa->nl->lock_addrs = (sm_off_t)((sm_uc_ptr_t)csa->lock_addrs[0] - (sm_uc_ptr_t)csa->nl);
if (!read_only || is_bg)
{
csd->trans_hist.early_tn = csd->trans_hist.curr_tn;
csd->max_update_array_size = csd->max_non_bm_update_array_size
= ROUND_UP2(MAX_NON_BITMAP_UPDATE_ARRAY_SIZE(csd), UPDATE_ARRAY_ALIGN_SIZE);
csd->max_update_array_size += ROUND_UP2(MAX_BITMAP_UPDATE_ARRAY_SIZE, UPDATE_ARRAY_ALIGN_SIZE);
/* add current db_csh counters into the cumulative counters and reset the current counters */
#define TAB_DB_CSH_ACCT_REC(COUNTER, DUMMY1, DUMMY2) \
csd->COUNTER.cumul_count += csd->COUNTER.curr_count; \
csd->COUNTER.curr_count = 0;
#include "tab_db_csh_acct_rec.h"
#undef TAB_DB_CSH_ACCT_REC
}
if (!read_only)
{
if (is_bg)
{
assert(memcmp(csd, GDS_LABEL, GDS_LABEL_SZ - 1) == 0);
LSEEKWRITE(udi->fd, (off_t)0, (sm_uc_ptr_t)csd, sizeof(sgmnt_data), errno_save);
if (0 != errno_save)
{
rts_error(VARLSTCNT(9) ERR_DBFILERR, 2, DB_LEN_STR(reg),
ERR_TEXT, 2, LEN_AND_LIT("Error with database write"), errno_save);
}
}
}
reg->dyn.addr->ext_blk_count = csd->extension_size;
mlk_shr_init(csa->lock_addrs[0], csd->lock_space_size, csa, (FALSE == read_only));
DEBUG_ONLY(locknl = csa->nl;) /* for DEBUG_ONLY LOCK_HIST macro */
void cce_cluster(void )
{
enum db_ver database;
char fn[256];
struct FAB ccpfab;
struct XABFHC xab;
sgmnt_data *old_data, *dummy_data;
short iosb[4];
unsigned short fn_len;
int4 status, size, cluster, space_needed;
error_def(ERR_CCERDERR);
error_def(ERR_CCEWRTERR);
error_def(ERR_CCEDBCL);
error_def(ERR_CCEDBNTCL);
error_def(ERR_CCEBADFN);
error_def(ERR_DBOPNERR);
error_def(ERR_DBNOTGDS);
error_def(ERR_BADDBVER);
error_def(ERR_CCEBGONLY);
$DESCRIPTOR(cluster_qualifier, "CLUSTER");
fn_len = SIZEOF(fn);
if (!cli_get_str("FILE",fn,&fn_len))
{
lib$signal(ERR_CCEBADFN);
return;
}
ccpfab = cc$rms_fab;
ccpfab.fab$l_fna = fn;
ccpfab.fab$b_fns = fn_len;
ccpfab.fab$b_fac = FAB$M_BIO | FAB$M_GET | FAB$M_PUT;
ccpfab.fab$l_fop = FAB$M_UFO;
xab = cc$rms_xabfhc;
ccpfab.fab$l_xab = &xab;
status = sys$open(&ccpfab);
if (status != RMS$_NORMAL)
{
lib$signal(ERR_DBOPNERR, 2, ccpfab.fab$b_fns, ccpfab.fab$l_fna, status);
return;
}
dummy_data = malloc(ROUND_UP(SIZEOF(sgmnt_data), OS_PAGELET_SIZE));
status = sys$qiow(EFN$C_ENF, ccpfab.fab$l_stv, IO$_READVBLK, iosb, 0, 0, dummy_data,
ROUND_UP(SIZEOF(sgmnt_data), OS_PAGELET_SIZE), 1,0,0,0);
if (status & 1)
status = iosb[0];
if ((status & 1) == 0)
{
lib$signal(ERR_CCERDERR, 2, ccpfab.fab$b_fns, ccpfab.fab$l_fna, status);
sys$dassgn(ccpfab.fab$l_stv);
free(dummy_data);
return;
}
/*
Commented out as this is unused code and we are removing the old version database references
(SE - 4/2005 V5.0)
if (memcmp(&dummy_data->label[0], GDS_LABEL, GDS_LABEL_SZ))
{ if (memcmp(&dummy_data->label[0], GDS_LABEL, GDS_LABEL_SZ - 3))
{ lib$signal (ERR_DBNOTGDS, 2, ccpfab.fab$b_fns, ccpfab.fab$l_fna);
status = sys$dassgn(ccpfab.fab$l_stv);
assert(status & 1);
free(dummy_data);
return;
}else
{
if (!memcmp(&dummy_data->label[GDS_LABEL_SZ - 3],GDS_V23,2))
database = v23;
else if (!memcmp(&dummy_data->label[GDS_LABEL_SZ - 3],GDS_V24,2))
database = v24;
else if (!memcmp(&dummy_data->label[GDS_LABEL_SZ - 3],GDS_V25,2))
database = v25;
else if (!memcmp(&dummy_data->label[GDS_LABEL_SZ - 3],GDS_V254,2))
database = v254;
else
lib$signal (ERR_BADDBVER, 2, ccpfab.fab$b_fns, ccpfab.fab$l_fna);
}
}
else
database = v255;
*/
if (dummy_data->acc_meth != dba_bg)
{
lib$signal(ERR_CCEBGONLY);
status = sys$dassgn(ccpfab.fab$l_stv);
assert(status & 1);
free(dummy_data);
return;
}
size = (LOCK_BLOCK(dummy_data) * DISK_BLOCK_SIZE) + LOCK_SPACE_SIZE(dummy_data);
old_data = malloc(size);
memcpy(old_data, dummy_data, SIZEOF(sgmnt_data));
cluster = cli$present(&cluster_qualifier);
if (cluster == CLI$_NEGATED)
old_data->clustered = FALSE;
else if (cluster == CLI$_PRESENT)
{
old_data->clustered = TRUE;
old_data->trans_hist.lock_sequence = 0;
}
change_fhead_timer("STALE_INTERVAL", old_data->staleness, -50000000, TRUE);
change_fhead_timer("RESPONSE_INTERVAL",old_data->ccp_response_interval, -600000000, TRUE);
change_fhead_timer("QUANTUM_INTERVAL", old_data->ccp_quantum_interval, -10000000, FALSE);
change_fhead_timer("TICK_INTERVAL", old_data->ccp_tick_interval, -1000000, FALSE);
if (old_data->unbacked_cache)
{
space_needed = (old_data->n_bts + getprime(old_data->n_bts) + 1) * SIZEOF(bt_rec);
if (space_needed > old_data->free_space)
{
old_data->n_bts = old_data->free_space/(2*SIZEOF(bt_rec));
for (;;)
{
space_needed = (old_data->n_bts + getprime(old_data->n_bts) + 1) * SIZEOF(bt_rec);
if (space_needed <= old_data->free_space)
{
old_data->bt_buckets = getprime(old_data->n_bts);
break;
}
old_data->n_bts--;
}
util_out_open(0);
util_out_print("Only have space for !UL cache records in clustered file !AD, adjusting file",TRUE,
old_data->n_bts, fn_len, fn);
}
old_data->free_space -= space_needed;
old_data->unbacked_cache = FALSE;
}
status = dbcx_ref(old_data, ccpfab.fab$l_stv);
if ((status & 1) == 0)
lib$signal(ERR_CCEWRTERR, 2, ccpfab.fab$b_fns, ccpfab.fab$l_fna, status);
if (cluster != CLI$_ABSENT)
lib$signal ((old_data->clustered) ? ERR_CCEDBCL : ERR_CCEDBNTCL, 2, ccpfab.fab$b_fns, ccpfab.fab$l_fna);
status = sys$dassgn(ccpfab.fab$l_stv);
assert(status & 1);
free(dummy_data);
free(old_data);
return;
}
