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- /*
- * $RCSfile: unlinkVolume.c,v $
- * $Revision: 1.1.1.1 $
- * $Date: 1996/05/04 21:55:38 $
- */
- /**********************************************************************
- * EXODUS Database Toolkit Software
- * Copyright (c) 1991 Computer Sciences Department, University of
- * Wisconsin -- Madison
- * All Rights Reserved.
- *
- * Permission to use, copy, modify and distribute this software and its
- * documentation is hereby granted, provided that both the copyright
- * notice and this permission notice appear in all copies of the
- * software, derivative works or modified versions, and any portions
- * thereof, and that both notices appear in supporting documentation.
- *
- * THE COMPUTER SCIENCES DEPARTMENT OF THE UNIVERSITY OF WISCONSIN --
- * MADISON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" CONDITION.
- * THE DEPARTMENT DISCLAIMS ANY LIABILITY OF ANY KIND FOR ANY DAMAGES
- * WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
- *
- * The EXODUS Project Group requests users of this software to return
- * any improvements or extensions that they make to:
- *
- * EXODUS Project Group
- * c/o David J. DeWitt and Michael J. Carey
- * Computer Sciences Department
- * University of Wisconsin -- Madison
- * Madison, WI 53706
- *
- * or exodus@cs.wisc.edu
- *
- * In addition, the EXODUS Project Group requests that users grant the
- * Computer Sciences Department rights to redistribute these changes.
- **********************************************************************/
-
- #include "sysdefs.h"
- #include "ess.h"
- #include "checking.h"
- #include "trace.h"
- #include "error.h"
- #include "list.h"
- #include "tid.h"
- #include "io.h"
- #include "lock.h"
- #include "object.h"
- #include "msgdefs.h"
- #include "thread.h"
- #include "semaphore.h"
- #include "latch.h"
- #include "link.h"
- #include "bf.h"
- #include "volume.h"
- #include "bitvec.h"
- #include "threadstate.h"
- #include "disk.h"
- #include "disk_funcs.h"
- #include "msg_funcs.h"
- #include "disk_globals.h"
-
-
- void
- unlinkVolume (
-
- register LINK *link,
- register VOLREC *volRec
- )
- {
-
- register VOLINFO *volInfo;
-
-
- TRPRINT(TR_DISK, TR_LEVEL_1, ("unlinking vol:%d from link:%d",
- volRec->header->volid, link->id));
-
- /*
- * get a pointer to the first volinfo off the vol record
- */
- volInfo = (VOLINFO *) FIRST_LIST_ELEMENT(&(link->volList));
-
- /*
- * run through the open list for this link
- */
- while (volInfo != NULL) {
-
- /*
- * check to see if the vol is the target vol
- */
- if (volInfo->volRec == volRec) {
-
- TRPRINT(TR_DISK, TR_LEVEL_2, ("vol is open by link"));
-
- /*
- * remove the link from the lists and put on pool
- */
- listRemove( &(volInfo->volList) );
- listMoveEnq( &VolInfoPool, &(volInfo->linkList) );
- return;
- }
-
- volInfo = (VOLINFO *) NEXT_LIST_ELEMENT(&(volInfo->linkList));
- }
-
- /*
- * should not get here
- */
- SM_ERROR(TYPE_FATAL, esmINTERNAL);
- }
-