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16c7d12e6c
This is similar to clutter_x11_{,un}trap_errors except that it stores
the previous trap state in a caller-allocated struct so that it can be
re-entrant.
Make _cogl_xlib_trap_errors re-entrant
(this will be squashed into an earlier commit)
67 lines
1.9 KiB
C
67 lines
1.9 KiB
C
/*
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* Cogl
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*
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* An object oriented GL/GLES Abstraction/Utility Layer
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*
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* Copyright (C) 2010 Intel Corporation.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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*
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*/
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#ifndef __COGL_XLIB_H
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#define __COGL_XLIB_H
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#include "cogl.h"
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#include "cogl-context-winsys.h"
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#include <X11/Xlib.h>
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typedef struct _CoglXlibFilterClosure CoglXlibFilterClosure;
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struct _CoglXlibFilterClosure
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{
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CoglXlibFilterFunc func;
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gpointer data;
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};
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/*
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* _cogl_xlib_trap_errors:
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* @state: A temporary place to store data for the trap.
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*
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* Traps every X error until _cogl_xlib_untrap_errors() called. You
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* should allocate an uninitialised CoglXlibTrapState struct on the
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* stack to pass to this function. The same pointer should later be
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* passed to _cogl_xlib_untrap_errors(). Calls to
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* _cogl_xlib_trap_errors() can be nested as long as
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* _cogl_xlib_untrap_errors() is called with the corresponding state
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* pointers in reverse order.
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*/
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void
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_cogl_xlib_trap_errors (CoglXlibTrapState *state);
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/*
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* _cogl_xlib_untrap_errors:
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* @state: The state that was passed to _cogl_xlib_trap_errors().
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*
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* Removes the X error trap and returns the current status.
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*
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* Return value: the trapped error code, or 0 for success
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*/
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int
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_cogl_xlib_untrap_errors (CoglXlibTrapState *state);
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#endif /* __COGL_XLIB_H */
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