source: trunk/packages/xen-common/xen-common/COPYING @ 95

Last change on this file since 95 was 34, checked in by hartmans, 17 years ago

Add xen and xen-common

File size: 18.9 KB
Line 
1
2GNU General Public License
3--------------------------
4
5Most files in this repository are licensed under the terms of the GNU
6General Public License (GPL), a copy of which is attached at the end
7of this notice. Note that the only valid version of the GPL as far as
8the files in this repository are concerned is _this_ particular
9version of the license (i.e., *only* v2, not v2.2 or v3.x or
10whatever), unless explicitly otherwise stated.
11
12Licensing Exceptions (the relaxed BSD-style license)
13----------------------------------------------------
14
15For the convenience of users and those who are porting OSes to run as
16Xen guests, certain files in this repository are not subject to the
17GPL when distributed separately or included in software packages
18outside this repository. Instead we specify a much more relaxed
19BSD-style license. Affected files include the Xen interface headers
20(xen/include/public/COPYING), and various drivers, support functions
21and header files within the Linux sparse source trees. In all such
22cases, license terms are stated at the top of the file or in a COPYING
23file in the same directory. Note that _any_ file that is modified and
24then distributed within a Linux kernel is still subject to the GNU GPL.
25
26 -- Keir Fraser (on behalf of the Xen team)
27
28=====================================================================
29
30                    GNU GENERAL PUBLIC LICENSE
31                       Version 2, June 1991
32
33 Copyright (C) 1989, 1991 Free Software Foundation, Inc.
34                       59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
35 Everyone is permitted to copy and distribute verbatim copies
36 of this license document, but changing it is not allowed.
37
38                            Preamble
39
40  The licenses for most software are designed to take away your
41freedom to share and change it.  By contrast, the GNU General Public
42License is intended to guarantee your freedom to share and change free
43software--to make sure the software is free for all its users.  This
44General Public License applies to most of the Free Software
45Foundation's software and to any other program whose authors commit to
46using it.  (Some other Free Software Foundation software is covered by
47the GNU Library General Public License instead.)  You can apply it to
48your programs, too.
49
50  When we speak of free software, we are referring to freedom, not
51price.  Our General Public Licenses are designed to make sure that you
52have the freedom to distribute copies of free software (and charge for
53this service if you wish), that you receive source code or can get it
54if you want it, that you can change the software or use pieces of it
55in new free programs; and that you know you can do these things.
56
57  To protect your rights, we need to make restrictions that forbid
58anyone to deny you these rights or to ask you to surrender the rights.
59These restrictions translate to certain responsibilities for you if you
60distribute copies of the software, or if you modify it.
61
62  For example, if you distribute copies of such a program, whether
63gratis or for a fee, you must give the recipients all the rights that
64you have.  You must make sure that they, too, receive or can get the
65source code.  And you must show them these terms so they know their
66rights.
67
68  We protect your rights with two steps: (1) copyright the software, and
69(2) offer you this license which gives you legal permission to copy,
70distribute and/or modify the software.
71
72  Also, for each author's protection and ours, we want to make certain
73that everyone understands that there is no warranty for this free
74software.  If the software is modified by someone else and passed on, we
75want its recipients to know that what they have is not the original, so
76that any problems introduced by others will not reflect on the original
77authors' reputations.
78
79  Finally, any free program is threatened constantly by software
80patents.  We wish to avoid the danger that redistributors of a free
81program will individually obtain patent licenses, in effect making the
82program proprietary.  To prevent this, we have made it clear that any
83patent must be licensed for everyone's free use or not licensed at all.
84
85  The precise terms and conditions for copying, distribution and
86modification follow.
87
88                    GNU GENERAL PUBLIC LICENSE
89   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
90
91  0. This License applies to any program or other work which contains
92a notice placed by the copyright holder saying it may be distributed
93under the terms of this General Public License.  The "Program", below,
94refers to any such program or work, and a "work based on the Program"
95means either the Program or any derivative work under copyright law:
96that is to say, a work containing the Program or a portion of it,
97either verbatim or with modifications and/or translated into another
98language.  (Hereinafter, translation is included without limitation in
99the term "modification".)  Each licensee is addressed as "you".
100
101Activities other than copying, distribution and modification are not
102covered by this License; they are outside its scope.  The act of
103running the Program is not restricted, and the output from the Program
104is covered only if its contents constitute a work based on the
105Program (independent of having been made by running the Program).
106Whether that is true depends on what the Program does.
107
108  1. You may copy and distribute verbatim copies of the Program's
109source code as you receive it, in any medium, provided that you
110conspicuously and appropriately publish on each copy an appropriate
111copyright notice and disclaimer of warranty; keep intact all the
112notices that refer to this License and to the absence of any warranty;
113and give any other recipients of the Program a copy of this License
114along with the Program.
115
116You may charge a fee for the physical act of transferring a copy, and
117you may at your option offer warranty protection in exchange for a fee.
118
119  2. You may modify your copy or copies of the Program or any portion
120of it, thus forming a work based on the Program, and copy and
121distribute such modifications or work under the terms of Section 1
122above, provided that you also meet all of these conditions:
123
124    a) You must cause the modified files to carry prominent notices
125    stating that you changed the files and the date of any change.
126
127    b) You must cause any work that you distribute or publish, that in
128    whole or in part contains or is derived from the Program or any
129    part thereof, to be licensed as a whole at no charge to all third
130    parties under the terms of this License.
131
132    c) If the modified program normally reads commands interactively
133    when run, you must cause it, when started running for such
134    interactive use in the most ordinary way, to print or display an
135    announcement including an appropriate copyright notice and a
136    notice that there is no warranty (or else, saying that you provide
137    a warranty) and that users may redistribute the program under
138    these conditions, and telling the user how to view a copy of this
139    License.  (Exception: if the Program itself is interactive but
140    does not normally print such an announcement, your work based on
141    the Program is not required to print an announcement.)
142
143These requirements apply to the modified work as a whole.  If
144identifiable sections of that work are not derived from the Program,
145and can be reasonably considered independent and separate works in
146themselves, then this License, and its terms, do not apply to those
147sections when you distribute them as separate works.  But when you
148distribute the same sections as part of a whole which is a work based
149on the Program, the distribution of the whole must be on the terms of
150this License, whose permissions for other licensees extend to the
151entire whole, and thus to each and every part regardless of who wrote it.
152
153Thus, it is not the intent of this section to claim rights or contest
154your rights to work written entirely by you; rather, the intent is to
155exercise the right to control the distribution of derivative or
156collective works based on the Program.
157
158In addition, mere aggregation of another work not based on the Program
159with the Program (or with a work based on the Program) on a volume of
160a storage or distribution medium does not bring the other work under
161the scope of this License.
162
163  3. You may copy and distribute the Program (or a work based on it,
164under Section 2) in object code or executable form under the terms of
165Sections 1 and 2 above provided that you also do one of the following:
166
167    a) Accompany it with the complete corresponding machine-readable
168    source code, which must be distributed under the terms of Sections
169    1 and 2 above on a medium customarily used for software interchange; or,
170
171    b) Accompany it with a written offer, valid for at least three
172    years, to give any third party, for a charge no more than your
173    cost of physically performing source distribution, a complete
174    machine-readable copy of the corresponding source code, to be
175    distributed under the terms of Sections 1 and 2 above on a medium
176    customarily used for software interchange; or,
177
178    c) Accompany it with the information you received as to the offer
179    to distribute corresponding source code.  (This alternative is
180    allowed only for noncommercial distribution and only if you
181    received the program in object code or executable form with such
182    an offer, in accord with Subsection b above.)
183
184The source code for a work means the preferred form of the work for
185making modifications to it.  For an executable work, complete source
186code means all the source code for all modules it contains, plus any
187associated interface definition files, plus the scripts used to
188control compilation and installation of the executable.  However, as a
189special exception, the source code distributed need not include
190anything that is normally distributed (in either source or binary
191form) with the major components (compiler, kernel, and so on) of the
192operating system on which the executable runs, unless that component
193itself accompanies the executable.
194
195If distribution of executable or object code is made by offering
196access to copy from a designated place, then offering equivalent
197access to copy the source code from the same place counts as
198distribution of the source code, even though third parties are not
199compelled to copy the source along with the object code.
200
201  4. You may not copy, modify, sublicense, or distribute the Program
202except as expressly provided under this License.  Any attempt
203otherwise to copy, modify, sublicense or distribute the Program is
204void, and will automatically terminate your rights under this License.
205However, parties who have received copies, or rights, from you under
206this License will not have their licenses terminated so long as such
207parties remain in full compliance.
208
209  5. You are not required to accept this License, since you have not
210signed it.  However, nothing else grants you permission to modify or
211distribute the Program or its derivative works.  These actions are
212prohibited by law if you do not accept this License.  Therefore, by
213modifying or distributing the Program (or any work based on the
214Program), you indicate your acceptance of this License to do so, and
215all its terms and conditions for copying, distributing or modifying
216the Program or works based on it.
217
218  6. Each time you redistribute the Program (or any work based on the
219Program), the recipient automatically receives a license from the
220original licensor to copy, distribute or modify the Program subject to
221these terms and conditions.  You may not impose any further
222restrictions on the recipients' exercise of the rights granted herein.
223You are not responsible for enforcing compliance by third parties to
224this License.
225
226  7. If, as a consequence of a court judgment or allegation of patent
227infringement or for any other reason (not limited to patent issues),
228conditions are imposed on you (whether by court order, agreement or
229otherwise) that contradict the conditions of this License, they do not
230excuse you from the conditions of this License.  If you cannot
231distribute so as to satisfy simultaneously your obligations under this
232License and any other pertinent obligations, then as a consequence you
233may not distribute the Program at all.  For example, if a patent
234license would not permit royalty-free redistribution of the Program by
235all those who receive copies directly or indirectly through you, then
236the only way you could satisfy both it and this License would be to
237refrain entirely from distribution of the Program.
238
239If any portion of this section is held invalid or unenforceable under
240any particular circumstance, the balance of the section is intended to
241apply and the section as a whole is intended to apply in other
242circumstances.
243
244It is not the purpose of this section to induce you to infringe any
245patents or other property right claims or to contest validity of any
246such claims; this section has the sole purpose of protecting the
247integrity of the free software distribution system, which is
248implemented by public license practices.  Many people have made
249generous contributions to the wide range of software distributed
250through that system in reliance on consistent application of that
251system; it is up to the author/donor to decide if he or she is willing
252to distribute software through any other system and a licensee cannot
253impose that choice.
254
255This section is intended to make thoroughly clear what is believed to
256be a consequence of the rest of this License.
257
258  8. If the distribution and/or use of the Program is restricted in
259certain countries either by patents or by copyrighted interfaces, the
260original copyright holder who places the Program under this License
261may add an explicit geographical distribution limitation excluding
262those countries, so that distribution is permitted only in or among
263countries not thus excluded.  In such case, this License incorporates
264the limitation as if written in the body of this License.
265
266  9. The Free Software Foundation may publish revised and/or new versions
267of the General Public License from time to time.  Such new versions will
268be similar in spirit to the present version, but may differ in detail to
269address new problems or concerns.
270
271Each version is given a distinguishing version number.  If the Program
272specifies a version number of this License which applies to it and "any
273later version", you have the option of following the terms and conditions
274either of that version or of any later version published by the Free
275Software Foundation.  If the Program does not specify a version number of
276this License, you may choose any version ever published by the Free Software
277Foundation.
278
279  10. If you wish to incorporate parts of the Program into other free
280programs whose distribution conditions are different, write to the author
281to ask for permission.  For software which is copyrighted by the Free
282Software Foundation, write to the Free Software Foundation; we sometimes
283make exceptions for this.  Our decision will be guided by the two goals
284of preserving the free status of all derivatives of our free software and
285of promoting the sharing and reuse of software generally.
286
287                            NO WARRANTY
288
289  11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
290FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW.  EXCEPT WHEN
291OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
292PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
293OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
294MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.  THE ENTIRE RISK AS
295TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU.  SHOULD THE
296PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
297REPAIR OR CORRECTION.
298
299  12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
300WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
301REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
302INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
303OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
304TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
305YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
306PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
307POSSIBILITY OF SUCH DAMAGES.
308
309                     END OF TERMS AND CONDITIONS
310
311            How to Apply These Terms to Your New Programs
312
313  If you develop a new program, and you want it to be of the greatest
314possible use to the public, the best way to achieve this is to make it
315free software which everyone can redistribute and change under these terms.
316
317  To do so, attach the following notices to the program.  It is safest
318to attach them to the start of each source file to most effectively
319convey the exclusion of warranty; and each file should have at least
320the "copyright" line and a pointer to where the full notice is found.
321
322    <one line to give the program's name and a brief idea of what it does.>
323    Copyright (C) <year>  <name of author>
324
325    This program is free software; you can redistribute it and/or modify
326    it under the terms of the GNU General Public License as published by
327    the Free Software Foundation; either version 2 of the License, or
328    (at your option) any later version.
329
330    This program is distributed in the hope that it will be useful,
331    but WITHOUT ANY WARRANTY; without even the implied warranty of
332    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
333    GNU General Public License for more details.
334
335    You should have received a copy of the GNU General Public License
336    along with this program; if not, write to the Free Software
337    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
338
339
340Also add information on how to contact you by electronic and paper mail.
341
342If the program is interactive, make it output a short notice like this
343when it starts in an interactive mode:
344
345    Gnomovision version 69, Copyright (C) year name of author
346    Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
347    This is free software, and you are welcome to redistribute it
348    under certain conditions; type `show c' for details.
349
350The hypothetical commands `show w' and `show c' should show the appropriate
351parts of the General Public License.  Of course, the commands you use may
352be called something other than `show w' and `show c'; they could even be
353mouse-clicks or menu items--whatever suits your program.
354
355You should also get your employer (if you work as a programmer) or your
356school, if any, to sign a "copyright disclaimer" for the program, if
357necessary.  Here is a sample; alter the names:
358
359  Yoyodyne, Inc., hereby disclaims all copyright interest in the program
360  `Gnomovision' (which makes passes at compilers) written by James Hacker.
361
362  <signature of Ty Coon>, 1 April 1989
363  Ty Coon, President of Vice
364
365This General Public License does not permit incorporating your program into
366proprietary programs.  If your program is a subroutine library, you may
367consider it more useful to permit linking proprietary applications with the
368library.  If this is what you want to do, use the GNU Library General
369Public License instead of this License.
Note: See TracBrowser for help on using the repository browser.