5 * \brief Capability utility functions
8 * (c) 2009 Adam Lackorzynski <adam@os.inf.tu-dresden.de>
9 * economic rights: Technische Universität Dresden (Germany)
11 * This file is part of TUD:OS and distributed under the terms of the
12 * GNU General Public License 2.
13 * Please see the COPYING-GPL-2 file for details.
15 * As a special exception, you may use this file as part of a free software
16 * library without restriction. Specifically, if other files instantiate
17 * templates or use macros or inline functions from this file, or you compile
18 * this file and link it with other files to produce an executable, this
19 * file does not by itself cause the resulting executable to be covered by
20 * the GNU General Public License. This exception does not however
21 * invalidate any other reasons why the executable file might be covered by
22 * the GNU General Public License.
27 #include <l4/sys/task>
29 namespace L4Re { namespace Util {
32 * \brief Release a capability from a task (unmap).
33 * \ingroup api_l4re_util
35 * Note that the given capability does not need to be handled by the
36 * capability allocator in any way.
38 L4_CV static inline l4_msgtag_t cap_release(L4::Cap<void> cap)
40 return l4_task_unmap(L4_BASE_TASK_CAP,
41 l4_obj_fpage(cap.cap(), 0, L4_FPAGE_RWX),