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- /*
- * $RCSfile: allocLockClassRec.c,v $
- * $Revision: 1.1.1.1 $
- * $Date: 1996/05/04 21:55:51 $
- */
- /**********************************************************************
- * 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 "pool.h"
- #include "tid.h"
- #include "io.h"
- #include "lock.h"
- #include "object.h"
- #include "msgdefs.h"
- #include "thread.h"
- #include "semaphore.h"
- #include "link.h"
- #include "lsn.h"
- #include "latch.h"
- #include "bf.h"
- #include "volume.h"
- #include "trans.h"
- #include "lm_intfuncs.h"
- #include "lm_extfuncs.h"
- #include "lm_globals.h"
-
-
- LOCKCLASSREC
- *allocLockClassRec (
-
- POOL *head
-
- )
- {
-
- LOCKCLASSREC *lockClassRec;
-
-
- TRACE(TR_LOCK, TR_LEVEL_1);
-
- /*
- * Attempt to allocate the space
- */
- if ((lockClassRec = (LOCKCLASSREC *) malloc(sizeof(LOCKCLASSREC))) == NULL) {
-
- SM_ERROR(TYPE_FATAL, esmMALLOCFAILED);
- }
-
- /*
- * initialize the lists and put in the pool
- */
- initializeListElement( &(lockClassRec->entryList.list), (char *) lockClassRec );
- initializeListElement( &(lockClassRec->transList), (char *) lockClassRec );
-
- /*
- * initialize header magic
- */
- INIT_LOCKCLASSREC_MAGIC(lockClassRec);
-
- /*
- * increment the number of available elements
- */
- head->elements++;
-
- /*
- * return the record
- */
- return(lockClassRec);
- }
-