/****************************************************************
 *								*
 *	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 "gtm_string.h"

#include "gdsroot.h"
#include "gtm_facility.h"
#include "fileinfo.h"
#include "gdsbt.h"
#include "gdsfhead.h"
#include "filestruct.h"
#include "mu_gv_cur_reg_init.h"

GBLREF gd_region	*gv_cur_region;
#ifdef UNIX
GBLREF	gd_region	*ftok_sem_reg;
#endif

void mu_gv_cur_reg_init(void)
{
	MALLOC_INIT(gv_cur_region, SIZEOF(gd_region));
	MALLOC_INIT(gv_cur_region->dyn.addr, SIZEOF(gd_segment));
	gv_cur_region->dyn.addr->acc_meth = dba_bg;

	FILE_CNTL_INIT(gv_cur_region->dyn.addr);
	gv_cur_region->dyn.addr->file_cntl->file_type = dba_bg;
}

void mu_gv_cur_reg_free(void)
{
	free(gv_cur_region->dyn.addr->file_cntl->file_info);
	free(gv_cur_region->dyn.addr->file_cntl);
	free(gv_cur_region->dyn.addr);
	free(gv_cur_region);
#	ifdef UNIX
	assert(gv_cur_region != ftok_sem_reg);	/* ftok_sem_release should have been done BEFORE mu_gv_cur_reg_free */
	if (gv_cur_region == ftok_sem_reg)	/* Handle case nevertheless in pro */
	{	/* Before resetting gv_cur_region to NULL, also reset ftok_sem_reg to NULL. Not doing so would
		 * otherwise cause SIG-11 in "ftok_sem_release" (usually invoked as part of exit handling).
		 */
		ftok_sem_reg = NULL;
	}
#	endif
	gv_cur_region = NULL; /* If you free it, you must not access it */
}