95 lines
3.1 KiB
C
95 lines
3.1 KiB
C
/****************************************************************
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* *
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* Copyright 2001, 2012 Fidelity Information Services, Inc *
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* *
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* This source code contains the intellectual property *
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* of its copyright holder(s), and is made available *
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* under a license. If you do not know the terms of *
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* the license, please stop and do not read further. *
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* *
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****************************************************************/
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#include "mdef.h"
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#if !defined(__MVS__) && !defined(VMS)
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#include <sys/param.h>
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#endif
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#include <sys/time.h>
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#include <errno.h>
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#include "gtm_fcntl.h"
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#include "gtm_unistd.h"
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#include "gtm_inet.h"
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#ifdef UNIX
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#include <sys/sem.h>
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#endif
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#ifdef VMS
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#include <descrip.h> /* Required for gtmsource.h */
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#endif
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#include "gdsroot.h"
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#include "gdsblk.h"
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#include "gtm_facility.h"
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#include "fileinfo.h"
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#include "gdsbt.h"
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#include "gdsfhead.h"
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#include "filestruct.h"
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#include "gtmrecv.h"
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#include "repl_msg.h"
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#include "gtmsource.h"
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#include "jnl.h"
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#include "repl_log.h"
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#include "repl_sem.h"
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#include "mupip_exit.h"
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#include "dpgbldir.h"
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#include "read_db_files_from_gld.h"
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#include "updproc.h"
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#include "repl_dbg.h"
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GBLREF boolean_t pool_init;
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GBLREF gd_addr *gd_header;
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GBLREF recvpool_addrs recvpool;
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error_def(ERR_RECVPOOLSETUP);
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error_def(ERR_TEXT);
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error_def(ERR_UPDATEFILEOPEN);
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int updproc_init(gld_dbname_list **gld_db_files , seq_num *start_jnl_seqno)
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{
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mval v;
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uint4 log_file_len;
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sgmnt_addrs *csa;
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sgmnt_data_ptr_t csd;
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gld_dbname_list *curr;
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VMS_ONLY(recvpool_init(UPDPROC, FALSE, FALSE);)
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UNIX_ONLY(recvpool_init(UPDPROC, FALSE);)
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/* The log file can be initialized only after having attached to the receive pool as the update process log file name
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* is derived from the receiver server log file name which is in turn available only in the receive pool.
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*/
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upd_log_init(UPDPROC);
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/* Lock the update process count semaphore. Its value should be atmost 1. The call to grab the update process
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* COUNT semaphore can be done only after attaching to the receive pool as that is what initializes the semaphore
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* set id which is in turn used by the "grab_sem_immediate" function.
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*/
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if (0 != grab_sem_immediate(RECV, UPD_PROC_COUNT_SEM))
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{
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if (REPL_SEM_NOT_GRABBED)
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return(UPDPROC_EXISTS);
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else
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rts_error(VARLSTCNT(7) ERR_RECVPOOLSETUP, 0, ERR_TEXT, 2,
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RTS_ERROR_LITERAL("Receive pool semop error"), REPL_SEM_ERRNO);
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}
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jnlpool_init((jnlpool_user)GTMPROC, (boolean_t)FALSE, (boolean_t *)NULL);
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gvinit(); /* get the desired global directory and update the gd_map */
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*gld_db_files = read_db_files_from_gld(gd_header);/* read all the database files to be opened in this global directory */
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if (!updproc_open_files(gld_db_files, start_jnl_seqno)) /* open and initialize all regions */
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mupip_exit(ERR_UPDATEFILEOPEN);
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for (curr = *gld_db_files; NULL != curr; curr = curr->next)
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{
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csa = &FILE_INFO(curr->gd)->s_addrs;
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csd = csa->hdr;
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csa->n_pre_read_trigger = (int)((csd->n_bts * (float)csd->reserved_for_upd / csd->avg_blks_per_100gbl) *
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csd->pre_read_trigger_factor / 100.0);
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REPL_DPRINT2("csa->nl->n_pre_read_trigger = %x", csa->n_pre_read_trigger);
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}
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return UPDPROC_STARTED;
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}
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