fis-gtm/sr_port/op_unlock.c

65 lines
1.4 KiB
C

/****************************************************************
* *
* Copyright 2001 Sanchez Computer Associates, 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 "gdsroot.h"
#include "gtm_facility.h"
#include "fileinfo.h"
#include "gdsbt.h"
#include "gdsfhead.h"
#include "mlkdef.h"
#include "tp_frame.h"
#include "op.h"
#include "mlk_pvtblk_delete.h"
#include "mlk_unlock.h"
#include "gvcmx.h"
GBLREF boolean_t gtcm_connection;
GBLREF unsigned char cm_action;
GBLREF mlk_pvtblk *mlk_pvt_root;
GBLREF tp_frame *tp_pointer;
void op_unlock(void)
{
mlk_pvtblk **prior;
error_def(ERR_TPLOCK);
/* if there were any old locks before TSTART, they can't be unlocked */
if (mlk_pvt_root && tp_pointer && tp_pointer->old_locks)
rts_error(VARLSTCNT(1) ERR_TPLOCK);
/* must deal with cm */
if (gtcm_connection)
{
cm_action = 0;
gvcmx_unlock(cm_action, FALSE, FALSE);
}
for (prior = &mlk_pvt_root ; *prior ; )
{
if (!(*prior)->granted)
{
mlk_pvtblk_delete(prior);
}
else if ((*prior)->zalloc)
{
(*prior)->level = 0;
prior = &((*prior)->next);
} else
{
mlk_unlock(*prior);
mlk_pvtblk_delete(prior);
}
}
return;
}