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- /*
- * $RCSfile: initializeResources.c,v $
- * $Revision: 1.1.1.1 $
- * $Date: 1996/05/04 21:55:59 $
- */
- /**********************************************************************
- * 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 "link.h"
- #include "bitvec.h"
- #include "msgvector.h"
- #include "resource.h"
- #include "resource_funcs.h"
- #include "resource_globals.h"
-
-
- void
- initializeResources ()
-
- {
-
- register RESOURCE *resource;
- register FOUR i;
- register unsigned spaceNeeded;
-
-
- TRACE(TR_MSG, TR_LEVEL_1);
-
- /*
- * calculate the amount of space needed
- */
- spaceNeeded = sizeof(RESOURCE) * NumResources;
-
- /*
- * attempt to allocate space for the messages
- */
- if ((Resources = resource = (RESOURCE *) malloc(spaceNeeded)) == NULL) {
-
- SM_ERROR(TYPE_FATAL, esmMALLOCFAILED);
- }
-
- /*
- * initialize the lists
- */
- initializeList( &FreeResources );
- initializeList( &UsedResources );
-
- /*
- * initialize the resources
- */
- for (i = 0; i < NumResources; i++, resource++) {
-
- resource->id = i;
- resource->unique = 0;
- resource->flags = RESOURCE_FREE;
- initializeListElement( &(resource->linkList), (char *) resource );
- initializeSemaphore( &(resource->semaphore), FALSE);
- listEnq( &FreeResources, &(resource->linkList) );
- INIT_RESOURCE_MAGIC(resource);
- }
- }
-