fis-gtm/sr_unix/dbinit_ch.c

132 lines
3.4 KiB
C

/****************************************************************
* *
* Copyright 2001, 2011 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 <sys/mman.h>
#include <sys/shm.h>
#include <sys/sem.h>
#include "gtm_unistd.h"
#include "gdsroot.h"
#include "gtm_facility.h"
#include "fileinfo.h"
#include "gdsbt.h"
#include "gdsfhead.h"
#include "error.h"
#include "filestruct.h"
#include "jnl.h"
#include "do_semop.h"
#include "mmseg.h"
#include "ipcrmid.h"
#include "util.h"
#include "ftok_sems.h"
#include "gtmimagename.h"
#include "gtmio.h"
#include "have_crit.h"
GBLREF gd_region *db_init_region;
GBLREF boolean_t sem_incremented;
CONDITION_HANDLER(dbinit_ch)
{
unix_db_info *udi;
gd_segment *seg;
sgmnt_addrs *csa;
int rc, lcl_new_dbinit_ipc;
START_CH;
if (SUCCESS == SEVERITY || INFO == SEVERITY)
{
PRN_ERROR;
CONTINUE;
}
seg = db_init_region->dyn.addr;
udi = NULL;
if (NULL != seg->file_cntl)
udi = FILE_INFO(db_init_region);
if (NULL != udi)
{
if (FD_INVALID != udi->fd)
CLOSEFILE_RESET(udi->fd, rc); /* resets "udi->fd" to FD_INVALID */
assert(FD_INVALID == udi->fd);
csa = &udi->s_addrs;
# ifdef GTM_CRYPT
if (NULL != csa->encrypted_blk_contents)
{
free(csa->encrypted_blk_contents);
csa->encrypted_blk_contents = NULL;
}
# endif
if (NULL != csa->hdr)
{
if (dba_mm == db_init_region->dyn.addr->acc_meth)
munmap((caddr_t)csa->db_addrs[0], (size_t)(csa->db_addrs[1] - csa->db_addrs[0]));
csa->hdr = (sgmnt_data_ptr_t)NULL;
}
if (NULL != csa->jnl)
{
free(csa->jnl);
csa->jnl = NULL;
}
if (csa->nl)
{
shmdt((caddr_t)csa->nl);
csa->nl = (node_local_ptr_t)NULL;
}
lcl_new_dbinit_ipc = TREF(new_dbinit_ipc);
if (lcl_new_dbinit_ipc)
{
if ((lcl_new_dbinit_ipc & NEW_DBINIT_SHM_IPC_MASK) && (INVALID_SHMID != udi->shmid))
{
shm_rmid(udi->shmid);
udi->shmid = INVALID_SHMID;
}
if ((lcl_new_dbinit_ipc & NEW_DBINIT_SEM_IPC_MASK) && (INVALID_SEMID != udi->semid))
{
sem_rmid(udi->semid);
udi->semid = INVALID_SEMID;
udi->grabbed_access_sem = FALSE;
}
TREF(new_dbinit_ipc) = 0;
}
if (sem_incremented)
{
if (INVALID_SEMID != udi->semid)
{
if (FALSE == db_init_region->read_only)
do_semop(udi->semid, 1, -1, SEM_UNDO); /* decrement the read-write sem */
do_semop(udi->semid, 0, -1, SEM_UNDO); /* release the startup-shutdown sem */
}
sem_incremented = FALSE;
}
if (udi->grabbed_ftok_sem)
ftok_sem_release(db_init_region, TRUE, TRUE);
if (!IS_GTCM_GNP_SERVER_IMAGE) /* gtcm_gnp_server reuses file_cntl */
{
free(seg->file_cntl->file_info);
free(seg->file_cntl);
seg->file_cntl = NULL;
}
}
/* Reset intrpt_ok_state to OK_TO_INTERRUPT in case we got called (due to an rts_error) with intrpt_ok_state
* being set to INTRPT_IN_GVCST_INIT.
* We should actually be calling RESTORE_INTRPT_OK_STATE macro but since we don't have access to local variable
* save_intrpt_ok_state, set intrpt_ok_state directly.
*/
assert((INTRPT_OK_TO_INTERRUPT == intrpt_ok_state) || (INTRPT_IN_GVCST_INIT == intrpt_ok_state));
intrpt_ok_state = INTRPT_OK_TO_INTERRUPT;
NEXTCH;
}