81 lines
3.0 KiB
C
81 lines
3.0 KiB
C
|
/****************************************************************
|
||
|
|
* *
|
||
|
|
* Copyright 2003, 2010 Fidelity Information Services, Inc *
|
||
|
|
* *
|
||
|
|
* This source code contains the intellectual property *
|
||
|
|
* of its copyright holder(s), and is made available *
|
||
|
|
* under a license. If you do not know the terms of *
|
||
|
|
* the license, please stop and do not read further. *
|
||
|
|
* *
|
||
|
|
****************************************************************/
|
||
|
|
|
||
|
|
#include "mdef.h"
|
||
|
|
|
||
|
|
#include "gtm_string.h"
|
||
|
|
|
||
|
|
#include "gdsroot.h"
|
||
|
|
#include "gdsblk.h"
|
||
|
|
#include "gdsbt.h"
|
||
|
|
#include "gtm_facility.h"
|
||
|
|
#include "fileinfo.h"
|
||
|
|
#include "gdsfhead.h"
|
||
|
|
#include "filestruct.h"
|
||
|
|
#include "jnl.h"
|
||
|
|
#include "buddy_list.h"
|
||
|
|
#include "hashtab_int4.h" /* needed for muprec.h */
|
||
|
|
#include "hashtab_int8.h" /* needed for muprec.h */
|
||
|
|
#include "hashtab_mname.h" /* needed for muprec.h */
|
||
|
|
#include "muprec.h"
|
||
|
|
#include "iosp.h"
|
||
|
|
#include "jnl_typedef.h"
|
||
|
|
#include "gtmmsg.h"
|
||
|
|
#include "gtm_file_remove.h"
|
||
|
|
|
||
|
|
GBLREF mur_gbls_t murgbl;
|
||
|
|
|
||
|
|
void mur_rem_jctls(reg_ctl_list *rctl)
|
||
|
|
{ /* free all structures from generations that follow the one that has the turnaround point through latest generation */
|
||
|
|
jnl_ctl_list *jctl, *earliest2close, *free_this;
|
||
|
|
int4 status;
|
||
|
|
uint4 ustatus;
|
||
|
|
boolean_t rem_jctls_done;
|
||
|
|
error_def (ERR_FILEDELFAIL);
|
||
|
|
error_def (ERR_FILEDEL);
|
||
|
|
|
||
|
|
earliest2close = jctl = rctl->jctl_alt_head;
|
||
|
|
assert(NULL != jctl);
|
||
|
|
assert((NULL != jctl->prev_gen && jctl->prev_gen->next_gen != jctl));
|
||
|
|
/* since we maintain only previous gener links in the journal file header,
|
||
|
|
* to avoid loss of links, we traverse the journal gener list in reverse order */
|
||
|
|
for ( ; NULL != jctl->next_gen; jctl = jctl->next_gen) /* find the latest gener */
|
||
|
|
;
|
||
|
|
do
|
||
|
|
{
|
||
|
|
rem_jctls_done = (jctl == earliest2close);
|
||
|
|
assert((rctl->csd->jnl_file_len != jctl->jnl_fn_len)
|
||
|
|
|| (0 != memcmp(rctl->csd->jnl_file_name, jctl->jnl_fn, jctl->jnl_fn_len)));
|
||
|
|
if (!jctl->jfh->recover_interrupted)
|
||
|
|
GTMASSERT; /* Out of design situation */
|
||
|
|
assert(jctl->reg_ctl == rctl);
|
||
|
|
if (!mur_fclose(jctl))
|
||
|
|
murgbl.wrn_count++; /* mur_fclose() would have done the appropriate gtm_putmsg() */
|
||
|
|
if (SS_NORMAL != (status = gtm_file_remove((char *)jctl->jnl_fn, jctl->jnl_fn_len, &ustatus)))
|
||
|
|
{
|
||
|
|
murgbl.wrn_count++;
|
||
|
|
gtm_putmsg(VARLSTCNT1 (6) ERR_FILEDELFAIL, 2, jctl->jnl_fn_len, jctl->jnl_fn,
|
||
|
|
status, PUT_SYS_ERRNO(ustatus));
|
||
|
|
} else
|
||
|
|
gtm_putmsg(VARLSTCNT (4) ERR_FILEDEL, 2, jctl->jnl_fn_len, jctl->jnl_fn);
|
||
|
|
/* It is possible (in case of repeated interrupted recoveries with differing turn-around points) that
|
||
|
|
* jctl->prev_gen->next_gen is not "jctl" but instead NULL or a different (yet valid) jctl entry (asserted below).
|
||
|
|
* Therefore, in order to free "jctl" and yet be able to move to its prev_gen, we note it down in a
|
||
|
|
* local variable for doing the free. It is exactly for the above reason that we should not reset
|
||
|
|
* jctl->next_gen to NULL after the free.
|
||
|
|
*/
|
||
|
|
free_this = jctl;
|
||
|
|
jctl = jctl->prev_gen;
|
||
|
|
assert(!rem_jctls_done || (jctl->next_gen != free_this));
|
||
|
|
free(free_this);
|
||
|
|
} while (!rem_jctls_done);
|
||
|
|
}
|