fis-gtm/sr_unix/mupip_set_jnlfile.c

113 lines
3.2 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 "gtm_ipc.h"
#include "gtm_fcntl.h"
#include "gtm_unistd.h"
#include "gtm_stat.h"
#include "gtm_stdio.h"
#include "gtm_string.h"
#ifdef __MVS__
#include "gtm_zos_io.h"
#endif
#include "gdsroot.h"
#include "gtm_facility.h"
#include "gtmio.h"
#include "fileinfo.h"
#include "gdsbt.h"
#include "gdsblk.h"
#include "gdsfhead.h"
#include "filestruct.h"
#include "cli.h"
#include "iosp.h"
#include "jnl.h"
#include "mupip_set.h"
#include "mupint.h"
#include "eintr_wrappers.h"
#include "util.h"
#include "mu_rndwn_file.h"
#include "db_ipcs_reset.h"
#include "anticipatory_freeze.h"
GBLREF gd_region *gv_cur_region;
GBLREF boolean_t need_no_standalone;
error_def(ERR_BADTAG); /* Need for TAG_POLICY macro */
error_def(ERR_JNLFILNOTCHG);
error_def(ERR_TEXT); /* Need for TAG_POLICY macro */
int4 mupip_set_jnlfile(char *jnl_fname, int jnl_fn_len)
{
int jnl_fd, status;
char hdr_buffer[REAL_JNL_HDR_LEN];
jnl_file_header *header;
char *errptr;
int save_no;
int rc;
ZOS_ONLY(int realfiletag;)
OPENFILE(jnl_fname, O_RDWR, jnl_fd);
if (FD_INVALID == jnl_fd)
{
save_no = errno;
util_out_print("Error opening journal file !AD", TRUE, LEN_AND_STR(jnl_fname));
errptr = (char *)STRERROR(save_no);
util_out_print("open : !AZ", TRUE, errptr);
return((int4)ERR_JNLFILNOTCHG);
}
#ifdef __MVS__
if (-1 == gtm_zos_tag_to_policy(jnl_fd, TAG_BINARY, &realfiletag))
TAG_POLICY_GTM_PUTMSG(jnl_fname, realfiletag, TAG_BINARY, errno);
#endif
LSEEKREAD(jnl_fd, 0, (sm_uc_ptr_t)hdr_buffer, SIZEOF(hdr_buffer), status);
if (0 != status)
{
if (-1 != status)
{
save_no = errno;
util_out_print("Error reading journal file !AD", TRUE, LEN_AND_STR(jnl_fname));
errptr = (char *)STRERROR(save_no);
util_out_print("read : !AZ", TRUE, errptr);
}
else
util_out_print("Premature end of journal file !AD", TRUE, LEN_AND_STR(jnl_fname));
return((int4)ERR_JNLFILNOTCHG);
}
header = (jnl_file_header *)hdr_buffer;
if (SS_NORMAL != (status = mupip_set_jnlfile_aux(header, jnl_fname)))
return status;
JNL_LSEEKWRITE(NULL, NULL, jnl_fd, 0, (sm_uc_ptr_t)hdr_buffer, SIZEOF(hdr_buffer), status);
if (0 != status)
{
save_no = errno;
util_out_print("Error writing journal file !AD", TRUE, LEN_AND_STR(jnl_fname));
errptr = (char *)STRERROR(save_no);
util_out_print("write : !AZ", TRUE, errptr);
return((int4)ERR_JNLFILNOTCHG);
}
CLOSEFILE_RESET(jnl_fd, rc); /* resets "jnl_fd" to FD_INVALID */
if (-1 == rc)
{
save_no = errno;
util_out_print("Error closing journal file !AD", TRUE, LEN_AND_STR(jnl_fname));
errptr = (char *)STRERROR(save_no);
util_out_print("close :!AZ", TRUE, errptr);
return((int4)ERR_JNLFILNOTCHG);
}
if (!need_no_standalone)
db_ipcs_reset(gv_cur_region);
return SS_NORMAL;
}