fis-gtm/sr_port/jnl_flush.c

58 lines
1.5 KiB
C

/****************************************************************
* *
* Copyright 2001, 2012 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 "gdsroot.h"
#include "gtm_facility.h"
#include "fileinfo.h"
#include "gdsbt.h"
#include "gdsfhead.h"
#include "filestruct.h"
#include "iosp.h"
#include "jnl.h"
#include "wbox_test_init.h"
GBLREF uint4 process_id;
uint4 jnl_flush(gd_region *reg)
{
sgmnt_addrs *csa;
node_local_ptr_t cnl;
jnl_private_control *jpc;
jnl_buffer_ptr_t jb;
uint4 status;
if (!reg || !reg->open)
return SS_NORMAL;
csa = &FILE_INFO(reg)->s_addrs;
assert(csa->now_crit);
jpc = csa->jnl;
if (!JNL_ENABLED(csa->hdr) || (NULL == jpc) || (NOJNL == jpc->channel))
return SS_NORMAL;
jb = jpc->jnl_buff;
jb->blocked = process_id;
if (jb->freeaddr != jb->dskaddr)
{
status = jnl_write_attempt(jpc, jb->freeaddr);
if (SS_NORMAL == status)
{
cnl = csa->nl;
INCR_GVSTATS_COUNTER(csa, cnl, n_jnl_flush, 1);
}
} else
status = SS_NORMAL;
assert(((SS_NORMAL == status) && (jb->dskaddr == jb->freeaddr))
|| (gtm_white_box_test_case_enabled && (WBTEST_JNL_FILE_LOST_DSKADDR == gtm_white_box_test_case_number)));
jb->blocked = 0;
return status;
}