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- /*
- * $RCSfile: openLocalDisk.c,v $
- * $Revision: 1.1.1.1 $
- * $Date: 1996/05/04 21:56:07 $
- */
- /**********************************************************************
- * 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 <sys/file.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 "disk.h"
- #include "queues.h"
- #include "diskproc_globals.h"
- #include "diskproc_intfuncs.h"
- #include "diskproc_extfuncs.h"
-
-
- extern int errno;
- extern int Fd;
-
-
- void
- openLocalDisk (
- DISKMSG *message,
- char *diskName
- )
- {
-
- FLAGS flags;
-
-
- TRPRINT(TR_DISKRW, TR_LEVEL_1, ("opening disk:%s", diskName));
-
- /*
- * compose the flags field
- */
- flags = O_RDWR|message->body.flags;
-
- /*
- * attempt to open the disk
- */
- if ((Fd = open(diskName, flags, 0604)) < 0) {
-
- TRPRINT(TR_DISKRW, TR_LEVEL_2, ("open failed:%d", errno));
-
- /*
- * reply in the negative and die
- */
- if (errno == 0) SM_ERROR(TYPE_FATAL, esmINTERNAL);
- message->header.params.out.errno = errno;
- message->diskmagic = DISK_MESSAGE_MAGIC;
- replyDiskMessage(message);
- #ifdef DISKPROC_MAKE
- /*
- * If we're the disk process, die.
- * Error is not TYPE_FATAL because it could very well be a user error,
- * such as nonexistent file name. Don't want to dump core
- * for that.
- */
- SM_ERROR(TYPE_STOP, errno);
- #endif DISKPROC_MAKE
-
- } else {
-
- TRPRINT(TR_DISKRW, TR_LEVEL_2, ("open successful fd:%d", Fd));
-
- #ifndef DISKPROC_MAKE
- /*
- * Get an exclusive Unix lock on the file so that no
- * other server or formatvol will use the volume
- */
-
- #endif /*DISKPROC_MAKE*/
-
- /*
- * reply in the positive
- */
- message->header.params.out.errno = esmNOERROR;
- message->diskmagic = DISK_MESSAGE_MAGIC;
- replyDiskMessage(message);
- }
- }
-