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https://github.com/xen-project/xen.git
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Ian Campbell
1a4af67d32
The latter is GPL which makes the whole of mini-os GPL rather than BSD as intended. In tree users are all GPL or GPL-compatible but we should fix this so that mini-os is BSD. Do so by using the same BSD sys/queue.h as we use in libxl. Tested with the builtin mini-os test app and qemu stubdomain, both of which appear to still function as expected. Move tools/libxl/external and the associated sed script to tools/include/xen-external to allow more sensible access from mini-os. Also add s/NULL/0/ in the sed script due to NULL not always being defined in stubdom code when mini-os/wait.h is included. As well as the obvious ABI changes there are a few API updates associated with the change: - struct rw_semaphore.wait_list is unused - remove_waiter needs to take the wait_queue_head The latter requires a qemu update, so there is also a QEMU_TAG update in this changeset. I sprinkled some extra-emacs local variables around the files I edited which didn't have them. I think this should be backported to the stable branches since external users of mini-os may have been mislead into thinking they could safely link mini-os against GPL-incompatible code. Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Committed-by: Ian Jackson <Ian.Jackson@eu.citrix.com>
73 lines
2.3 KiB
Perl
Executable File
73 lines
2.3 KiB
Perl
Executable File
#!/usr/bin/perl -p
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#
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# This script is part of the Xen build system. It has a very
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# permissive licence to avoid complicating the licence of the
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# generated header file and to allow this seddery to be reused by
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# other projects.
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#
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# Permission is hereby granted, free of charge, to any person
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# obtaining a copy of this individual file (the "Software"), to deal
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# in the Software without restriction, including without limitation
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# the rights to use, copy, modify, merge, publish, distribute,
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# sublicense, and/or sell copies of the Software, and to permit
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# persons to whom the Software is furnished to do so, subject to the
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# following conditions:
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#
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# The above copyright notice and this permission notice shall be
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# included in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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# BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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# ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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#
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# Copyright (C) 2011 Citrix Ltd
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our $namespace, $ucnamespace;
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BEGIN {
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die unless @ARGV;
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$namespace = pop @ARGV;
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$namespace =~ s/^--prefix=// or die;
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$ucnamespace = uc $namespace;
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print <<END or die $!;
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/*
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* DO NOT EDIT THIS FILE
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*
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* Generated automatically by bsd-sys-queue-h-seddery to
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* - introduce ${ucnamespace}_ and ${namespace}_ namespace prefixes
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* - turn "struct type" into "type" so that type arguments
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* to the macros are type names not struct tags
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* - remove the reference to sys/cdefs.h, which is not needed
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*
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* The purpose of this seddery is to allow the resulting file to be
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* freely included by software which might also want to include other
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* list macros; to make it usable when struct tags are not being used
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* or not known; to make it more portable.
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*/
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END
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}
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s/\b( _SYS_QUEUE |
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SLIST | LIST | STAILQ | TAILQ | QUEUE
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)/${ucnamespace}_$1/xg;
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s/\b( TRACEBUF | TRASHIT |
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QMD_
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)/${ucnamespace}__$1/xg;
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s/\b(
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qm_
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)/${namespace}__$1/xg;
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s/\b struct \s+ type \b/type/xg;
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s,^\#include.*sys/cdefs.*,/* $& */,xg;
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s/\b( NULL )/0/xg;
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