L4Re - L4 Runtime Environment
shared_cap
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1 // vim:set ft=cpp: -*- Mode: C++ -*-
6 /*
7  * (c) 2017 Alexander Warg <alexander.warg@kernkonzept.com>
8  *
9  * This file is part of TUD:OS and distributed under the terms of the
10  * GNU General Public License 2.
11  * Please see the COPYING-GPL-2 file for details.
12  *
13  * As a special exception, you may use this file as part of a free software
14  * library without restriction. Specifically, if other files instantiate
15  * templates or use macros or inline functions from this file, or you compile
16  * this file and link it with other files to produce an executable, this
17  * file does not by itself cause the resulting executable to be covered by
18  * the GNU General Public License. This exception does not however
19  * invalidate any other reasons why the executable file might be covered by
20  * the GNU General Public License.
21  */
22 
23 #pragma once
24 
25 #include <l4/re/util/cap_alloc>
27 
28 namespace L4Re { namespace Util {
29 
58 template< typename T >
59 using Shared_cap = L4::Detail::Shared_cap_impl<T, Smart_count_cap<L4_FP_ALL_SPACES>>;
61 template< typename T >
62 using shared_cap = L4::Detail::Shared_cap_impl<T, Smart_count_cap<L4_FP_ALL_SPACES>>;
63 
69 template< typename T >
72 { return Shared_cap<T>(cap_alloc.alloc<T>()); }
73 
108 template< typename T >
109 using Shared_del_cap = L4::Detail::Shared_cap_impl<T, Smart_count_cap<L4_FP_DELETE_OBJ>>;
111 template< typename T >
112 using shared_del_cap = L4::Detail::Shared_cap_impl<T, Smart_count_cap<L4_FP_DELETE_OBJ>>;
113 
119 template< typename T >
122 { return Shared_del_cap<T>(cap_alloc.alloc<T>()); }
123 
124 }} // namespace L4Re::Util
125 
Shared_cap< T > make_shared_cap()
Allocate a capability slot and wrap it in a Shared_cap.
Definition: shared_cap:71
L4Re C++ Interfaces.
Definition: cmd_control:15
L4::Cap< void > alloc() noexcept
Allocate a new capability slot.
L4::Detail::Shared_cap_impl< T, Smart_count_cap< L4_FP_ALL_SPACES > > Shared_cap
Shared capability that implements automatic free and unmap of the capability selector.
Definition: shared_cap:59
_Cap_alloc & cap_alloc
Capability allocator.
Shared_del_cap< T > make_shared_del_cap()
Allocate a capability slot and wrap it in a Shared_del_cap.
Definition: shared_cap:121
L4::Detail::Shared_cap_impl< T, Smart_count_cap< L4_FP_ALL_SPACES > > shared_cap
Shared capability that implements automatic free and unmap of the capability selector.
Definition: shared_cap:62
L4::Detail::Shared_cap_impl< T, Smart_count_cap< L4_FP_DELETE_OBJ > > shared_del_cap
Shared capability that implements automatic free and unmap+delete of the capability selector...
Definition: shared_cap:112
Capability allocator.
L4::Detail::Shared_cap_impl< T, Smart_count_cap< L4_FP_DELETE_OBJ > > Shared_del_cap
Shared capability that implements automatic free and unmap+delete of the capability selector...
Definition: shared_cap:109