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Since the Cogl 1.18 branch is actively maintained in parallel with the
master branch; this is a counter part to commit 1b83ef938fc16b which
re-licensed the master branch to use the MIT license.
This re-licensing is a follow up to the proposal that was sent to the
Cogl mailing list:
http://lists.freedesktop.org/archives/cogl/2013-December/001465.html
Note: there was a copyright assignment policy in place for Clutter (and
therefore Cogl which was part of Clutter at the time) until the 11th of
June 2010 and so we only checked the details after that point (commit
0bbf50f905)
For each file, authors were identified via this Git command:
$ git blame -p -C -C -C20 -M -M10 0bbf50f905..HEAD
We received blanket approvals for re-licensing all Red Hat and Collabora
contributions which reduced how many people needed to be contacted
individually:
- http://lists.freedesktop.org/archives/cogl/2013-December/001470.html
- http://lists.freedesktop.org/archives/cogl/2014-January/001536.html
Individual approval requests were sent to all the other identified authors
who all confirmed the re-license on the Cogl mailinglist:
http://lists.freedesktop.org/archives/cogl/2014-January
As well as updating the copyright header in all sources files, the
COPYING file has been updated to reflect the license change and also
document the other licenses used in Cogl such as the SGI Free Software
License B, version 2.0 and the 3-clause BSD license.
This patch was not simply cherry-picked from master; but the same
methodology was used to check the source files.
119 lines
4.5 KiB
C
119 lines
4.5 KiB
C
/*
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* Cogl
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*
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* A Low Level GPU Graphics and Utilities API
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*
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* Copyright (C) 2012,2013 Intel Corporation.
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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 software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use, copy,
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* modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the 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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*/
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#ifndef _COGL_CLOSURE_LIST_PRIVATE_H_
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#define _COGL_CLOSURE_LIST_PRIVATE_H_
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#include "cogl-object.h"
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#include "cogl-list.h"
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/*
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* This implements a list of callbacks that can be used a bit like
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* signals in GObject, but that don't have any marshalling overhead.
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*
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* The idea is that any Cogl code that wants to provide a callback
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* point will provide api to add a callback for that particular point.
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* The function can take a function pointer with the correct
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* signature. Internally the Cogl code can use _cogl_closure_list_add,
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* _cogl_closure_disconnect and _cogl_closure_list_disconnect_all
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*
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* In the future we could consider exposing the CoglClosure type which
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* would allow applications to use _cogl_closure_disconnect() directly
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* so we don't need to expose new disconnect apis for each callback
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* point.
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*/
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typedef struct _CoglClosure
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{
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CoglList link;
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void *function;
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void *user_data;
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CoglUserDataDestroyCallback destroy_cb;
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} CoglClosure;
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/*
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* _cogl_closure_disconnect:
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* @closure: A closure connected to a Cogl closure list
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*
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* Removes the given closure from the callback list it is connected to
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* and destroys it. If the closure was created with a destroy function
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* then it will be invoked. */
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void
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_cogl_closure_disconnect (CoglClosure *closure);
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void
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_cogl_closure_list_disconnect_all (CoglList *list);
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CoglClosure *
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_cogl_closure_list_add (CoglList *list,
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void *function,
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void *user_data,
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CoglUserDataDestroyCallback destroy_cb);
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/*
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* _cogl_closure_list_invoke:
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* @list: A pointer to a CoglList containing CoglClosures
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* @cb_type: The name of a typedef for the closure callback function signature
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* @...: The the arguments to pass to the callback
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*
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* A convenience macro to invoke a closure list with a variable number
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* of arguments that will be passed to the closure callback functions.
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*
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* Note that the arguments will be evaluated multiple times so it is
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* not safe to pass expressions that have side-effects.
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*
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* Note also that this function ignores the return value from the
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* callbacks. If you want to handle the return value you should
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* manually iterate the list and invoke the callbacks yourself.
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*/
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#define _cogl_closure_list_invoke(list, cb_type, ...) \
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G_STMT_START { \
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CoglClosure *_c, *_tmp; \
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\
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_cogl_list_for_each_safe (_c, _tmp, (list), link) \
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{ \
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cb_type _cb = _c->function; \
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_cb (__VA_ARGS__, _c->user_data); \
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} \
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} G_STMT_END
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#define _cogl_closure_list_invoke_no_args(list) \
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G_STMT_START { \
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CoglClosure *_c, *_tmp; \
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\
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_cogl_list_for_each_safe (_c, _tmp, (list), link) \
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{ \
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void (*_cb)(void *) = _c->function; \
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_cb (_c->user_data); \
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} \
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} G_STMT_END
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#endif /* _COGL_CLOSURE_LIST_PRIVATE_H_ */
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