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# ====================================================================
#
# fileio.cdl
#
# FILEIO layer configuration data
#
# ====================================================================
## ####ECOSGPLCOPYRIGHTBEGIN####
## -------------------------------------------
## This file is part of eCos, the Embedded Configurable Operating System.
## Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
##
## eCos 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 2 or (at your option) any later
## version.
##
## eCos 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.
##
## You should have received a copy of the GNU General Public License
## along with eCos; if not, write to the Free Software Foundation, Inc.,
## 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
##
## As a special exception, if other files instantiate templates or use
## macros or inline functions from this file, or you compile this file
## and link it with other works to produce a work based on this file,
## this file does not by itself cause the resulting work to be covered by
## the GNU General Public License. However the source code for this file
## must still be made available in accordance with section (3) of the GNU
## General Public License v2.
##
## This exception does not invalidate any other reasons why a work based
## on this file might be covered by the GNU General Public License.
## -------------------------------------------
## ####ECOSGPLCOPYRIGHTEND####
# ====================================================================
######DESCRIPTIONBEGIN####
#
# Author(s): nickg
# Contributors:
# Date: 2000-5-25
#
#####DESCRIPTIONEND####
#
# ====================================================================
cdl_package CYGPKG_IO_FILEIO {
display "POSIX File IO compatibility layer"
description "This package enables the POSIX compatibility
layer that implements IEEE 1003.1 file IO."
include_dir cyg/fileio
doc ref/fileio.html
requires CYGPKG_ISOINFRA
requires CYGPKG_ERROR
requires CYGINT_ISO_ERRNO
requires CYGINT_ISO_ERRNO_CODES
requires CYGINT_ISO_STRING_STRFUNCS
implements CYGINT_ISO_FCNTL
implements CYGINT_ISO_OPEN
implements CYGINT_ISO_DIRENT
requires { CYGBLD_ISO_DIRENT_HEADER == "<cyg/fileio/dirent.h>" }
requires { CYGBLD_ISO_OPEN_MAX_HEADER == "<cyg/fileio/limits.h>" }
requires { CYGBLD_ISO_NAME_MAX_HEADER == "<cyg/fileio/limits.h>" }
compile fd.cxx file.cxx io.cxx dir.cxx
compile -library=libextras.a misc.cxx
cdl_interface CYGINT_IO_FILEIO_FS {
display "Filesystems interfacing to FILEIO"
no_define
description "
Each filesystem driver which FILEIO can use implements
this interface. You can use this to determine if there are
any filesystems configured in the system."
}
cdl_option CYGFUN_IO_FILEIO_SELECT {
display "Enable support for select()"
active_if CYGPKG_KERNEL
implements CYGINT_ISO_SELECT
default_value 1
description "
This option enables support for select()."
compile select.cxx
}
cdl_option CYGPKG_IO_FILEIO_DEVFS_SUPPORT {
display "Enable devfs support"
active_if CYGPKG_IO
default_value { CYGPKG_REDBOOT ? 0 : 1 }
description "
This option enables support for the devfs file system."
compile -library=libextras.a devfs.cxx
}
cdl_option CYGPKG_IO_FILEIO_SOCKET_SUPPORT {
display "Enable socket support"
active_if CYGPKG_NET
active_if CYGPKG_KERNEL
default_value 1
description "
This option enables support for the socket interface. It is
only present if the NET package is included."
compile socket.cxx
}
cdl_option CYGNUM_FILEIO_NFILE {
display "Maximum number of open files"
flavor data
default_value 16
legal_values 1 to 9999999
description "This option controls the number of open files
that are allowed for all filesystems."
}
cdl_option CYGNUM_FILEIO_NFD {
display "Maximum number of open file descriptors"
flavor data
default_value 16
legal_values CYGNUM_FILEIO_NFILE to 9999999
description "This option controls the number of open file descriptors
that are allowed for all filesystems."
}
cdl_option CYGNUM_FILEIO_FSTAB_MAX {
display "Maximum number of installed filesystems"
flavor data
default_value 4
legal_values 1 to 9999999
description "This option controls the maximum number of filesystems
that can be handled by the fileio system."
}
cdl_option CYGNUM_FILEIO_MTAB_MAX {
display "Maximum number of mounted filesystems"
flavor data
default_value 8
legal_values CYGNUM_FILEIO_MTAB_EXTRA to 9999999
description "This option controls the maximum number of mounted
filesystems that can be handled by the fileio system."
}
cdl_option CYGNUM_FILEIO_MTAB_EXTRA {
display "Number of dynamically mounted filesystems"
flavor data
default_value 8
legal_values 0 to 9999999
description "This option controls the number of mounted
filesystems that can be created dynamically."
}
cdl_option CYGNUM_FILEIO_NSTAB_MAX {
display "Maximum number of installed network stacks"
flavor data
default_value 1
legal_values 1 to 9999999
description "This option controls the maximum number of installed
network stacks that can be handled by the fileio system."
}
cdl_option CYGPKG_IO_FILEIO_TRACK_CWD {
display "Enable current directory tracking"
flavor bool
default_value 1
description "This option enables tracking of the name of the current
directory in the FILEIO package, to support the getcwd()
function. When this option is enabled the FILEIO package
will attempt to maintain a string that names the current
directory. It does this textually, dealing with \".\" and
\"..\" entries by textual manipulation. While this should
always provide a path for the current directory, it may not
be the best, if symbolic links are present. This tracked CWD
is only used if a filesystem does not support the
FS_INFO_GETCWD key. "
}
cdl_component CYGPKG_IO_FILEIO_INODE {
display "Generic inode support"
flavor bool
description "This option enables generic inode support useful to
some filesystems. Not all filesystems require this
so it is not enabled by default."
default_value 0
requires CYGINT_ISO_MALLOC
compile inocache.cxx
cdl_option CYGNUM_IO_FILEIO_MAX_INODE_CACHE_DEAD {
display "Maximum space for unused cached inodes"
flavor data
default_value 10
description "The inode cache allows a maximum limit to be set
for the number of unused inodes still in the
cache before they are freed. It may be set to 0
to indicate no dead inode caching should be
provided."
}
}
cdl_option CYGNUM_FILEIO_IOVEC_MAX {
display "Maximum size of iovec used by readv/writev"
flavor data
default_value 16
legal_values 1 to 9999999
description "This option controls the maximum size of the iovec
structure that can be used by readv()/writev(). This
limit is required because the iovec structure must be
invariant (to the user), thus a copy needs to be made
by the interface routines. The limit is merely a
control over the amount of stack space used by the
readv()/writev() functions."
}
cdl_option CYGSEM_FILEIO_INFO_DISK_USAGE {
display "cyg_fs_getinfo call for disk usage"
flavor bool
default_value 0
description "
Enabling this option includes code in some filesystems to
implement a call using cyg_fs_getinfo to return the current
filesystem block usage."
}
cdl_component CYGPKG_FILEIO_FNMATCH {
display "POSIX fnmatch configuration"
flavor bool
default_value ( CYGINT_ISO_STRING_STRFUNCS && CYGINT_ISO_CTYPE )
requires { CYGBLD_ISO_FNMATCH_HEADER == \
"<cyg/fileio/fnmatch.h>" }
description "
This component provides configuration controls for
the POSIX fnmatch() function."
compile fnmatch.c
}
cdl_option CYGPKG_FILEIO_DIRENT_DTYPE {
display "Struct dirent contains a d_type field"
flavor bool
default_value 0
description "
If this option is enabled then struct dirent contains a
d_type field. With this field, file type may be
distinguished directly without calling stat. Note: This
member is not part of the POSIX standard, however is
commonely implemented in Linux, FreeBSD, but not SunOS.
Also, not all filesystems support it. So this feature is
not portable and should be used with caution."
}
# ----------------------------------------------------------------
# Tests
cdl_option CYGPKG_IO_FILEIO_TESTS {
display "Fileio tests"
flavor data
no_define
calculated { "tests/fileio1 tests/socket tests/select tests/stdio tests/pselect tests/fnmatch" }
description "
This option specifies the set of tests for the FileIO package."
}
}
# ====================================================================
# End of fileio.cdl
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