fis-gtm/sr_port_cm/gtcmtr_terminate.c

92 lines
2.4 KiB
C

/****************************************************************
* *
* Copyright 2001, 2010 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 <signal.h> /* for VSIG_ATOMIC_T type */
#include "cmidef.h"
#include "hashtab_mname.h" /* needed for cmmdef.h */
#include "cmmdef.h"
#include "gt_timer.h"
#include "gtcmd.h"
#include "mlkdef.h"
#include "gtcmlkdef.h"
#include "gtcml.h"
#include "gtcmtr_protos.h"
#include "have_crit.h"
#ifdef UNIX
#include "deferred_signal_handler.h"
#endif
GBLREF connection_struct *curr_entry;
GBLREF int4 gtcm_users;
#ifdef VMS
GBLREF short gtcm_ast_avail;
#endif
GBLREF struct CLB *proc_to_clb[];
bool gtcmtr_terminate(bool cm_err)
{
#ifdef VMS
unsigned char *mbuffer;
#endif
uint4 status;
struct CLB *clb;
if (curr_entry)
{
/* We are about to rundown databases, clean up structures. Defer MUPIP STOP/signal handling until function end. */
DEFER_INTERRUPTS(INTRPT_IN_GTCMTR_TERMINATE);
cancel_timer((TID)curr_entry);
gtcml_lkrundown();
gtcmd_rundown(curr_entry, cm_err);
if (curr_entry->pvec)
{
free(curr_entry->pvec);
curr_entry->pvec = NULL;
}
curr_entry->region_root = NULL; /* make sure you can't access any regions through this entry... just in case */
curr_entry->maxregnum = 0;
if (curr_entry->clb_ptr)
{
clb = curr_entry->clb_ptr;
VMS_ONLY(mbuffer = clb->mbf;)
curr_entry->clb_ptr = NULL;
cmi_close(clb);
/*
* The freeing of the buffer is automatically
* handled by cmi_free_clb on UNIX.
*/
#ifdef VMS
if (mbuffer)
free(mbuffer);
#endif
proc_to_clb[curr_entry->procnum] = NULL;
/*
* Unix cmi_close doesn't free the clb.
*/
UNIX_ONLY(cmi_free_clb(clb));
}
/*
* The connection struct is part of the memory allocated by
* cmi_init on UNIX. The cmi_free_clb has already dealt with it.
*/
VMS_ONLY(free(curr_entry));
curr_entry = NULL;
ENABLE_INTERRUPTS(INTRPT_IN_GTCMTR_TERMINATE); /* check if any MUPIP STOP/signals were deferred
* while in this function */
}
gtcm_users--;
VMS_ONLY(gtcm_ast_avail++);
return CM_NOOP;
}