fis-gtm/sr_unix/mucblkini.c

94 lines
2.5 KiB
C

/****************************************************************
* *
* Copyright 2001, 2009 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 <errno.h>
#include "gtm_stdio.h"
#include "gtm_stdlib.h" /* for exit() */
#include "gtm_unistd.h"
#include "gdsroot.h"
#include "gdsbt.h"
#include "gtm_facility.h"
#include "fileinfo.h"
#include "gdsfhead.h"
#include "gdsblk.h"
#include "filestruct.h"
#include "iosp.h"
#include "copy.h"
#include "gdsbml.h"
#include "gtmio.h"
#include "mucblkini.h"
#define DIR_ROOT 1
#define DIR_DATA 2
GBLREF gd_region *gv_cur_region;
GBLREF sgmnt_addrs *cs_addrs;
void mucblkini (void)
{
uchar_ptr_t c, bmp;
blk_hdr_ptr_t bp1, bp2;
rec_hdr_ptr_t rp;
unix_db_info *udi;
int4 tmp, bmpsize, status;
udi = (unix_db_info *)gv_cur_region->dyn.addr->file_cntl->file_info;
bp1 = (blk_hdr_ptr_t)malloc(cs_addrs->hdr->blk_size);
bp2 = (blk_hdr_ptr_t)malloc(cs_addrs->hdr->blk_size);
bmpsize = BM_SIZE(cs_addrs->hdr->bplmap);
if (cs_addrs->do_fullblockwrites)
bmpsize = (int4)ROUND_UP(bmpsize, cs_addrs->fullblockwrite_len);
bmp = (uchar_ptr_t)malloc(bmpsize);
LSEEKREAD(udi->fd, (off_t)(cs_addrs->hdr->start_vbn - 1) * DISK_BLOCK_SIZE, bmp, bmpsize, status);
if (0 != status)
{
PERROR("Error reading first bitmap");
return;
}
bml_busy(DIR_ROOT, bmp + SIZEOF(blk_hdr));
bml_busy(DIR_DATA, bmp + SIZEOF(blk_hdr));
LSEEKWRITE(udi->fd, (off_t)(cs_addrs->hdr->start_vbn - 1) * DISK_BLOCK_SIZE, bmp, bmpsize, status);
if (0 != status)
{
PERROR("Error writing out first bitmap");
return;
}
rp = (rec_hdr_ptr_t)((uchar_ptr_t)bp1 + SIZEOF(blk_hdr));
BSTAR_REC(rp);
c = CST_BOK(rp);
tmp = DIR_DATA;
PUT_LONG(c, tmp);
bp1->bver = GDSVCURR;
bp1->levl = 1;
bp1->bsiz = BSTAR_REC_SIZE + SIZEOF(blk_hdr);
bp1->tn = 0;
bp2->bver = GDSVCURR;
bp2->levl =0;
bp2->bsiz = SIZEOF(blk_hdr);
bp2->tn = 0;
DSK_WRITE_NOCACHE(gv_cur_region, DIR_ROOT, (uchar_ptr_t)bp1, cs_addrs->hdr->desired_db_format, status);
if (0 != status)
{
PERROR("Error writing to disk");
exit(status);
}
DSK_WRITE_NOCACHE(gv_cur_region, DIR_DATA, (uchar_ptr_t)bp2, cs_addrs->hdr->desired_db_format, status);
if (0 != status)
{
PERROR("Error writing to disk");
exit(status);
}
return;
}