libgm2/libm2iso/ChanConsts.h

/* ChanConsts.h provides a C header file for ISO ChanConst.def.

Copyright (C) 2009-2022 Free Software Foundation, Inc.
Contributed by Gaius Mulley <gaius.mulley@southwales.ac.uk>.

This file is part of GNU Modula-2.

GNU Modula-2 is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.

GNU Modula-2 is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
General Public License for more details.

Under Section 7 of GPL version 3, you are granted additional
permissions described in the GCC Runtime Library Exception, version
3.1, as published by the Free Software Foundation.

You should have received a copy of the GNU General Public License and
a copy of the GCC Runtime Library Exception along with this program;
see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
<http://www.gnu.org/licenses/>.  */

/* taken from ChanConsts.def */

typedef enum openResults {
  opened,          /* the open succeeded as requested.  */
  wrongNameFormat, /* given name is in the wrong format for the implementation.
                      */
  wrongFlags, /* given flags include a value that does not apply to the device.
                 */
  tooManyOpen,      /* this device cannot support any more open channels.  */
  outOfChans,       /* no more channels can be allocated.  */
  wrongPermissions, /* file or directory permissions do not allow request.  */
  noRoomOnDevice,   /* storage limits on the device prevent the open.  */
  noSuchFile,       /* a needed file does not exist.  */
  fileExists,    /* a file of the given name already exists when a new one is
                    required.  */
  wrongFileType, /* the file is of the wrong type to support the required
                    operations.  */
  noTextOperations, /* text operations have been requested, but are not
                       supported.  */
  noRawOperations,  /* raw operations have been requested, but are not
                       supported.  */
  noMixedOperations,

  /* text and raw operations have been requested, but they are not
  supported in combination */
  alreadyOpen,

  /* the source/destination is already open for operations not
  supported in combination with the requested operations */
  otherProblem /* open failed for some other reason.  */
} openResults;