Mir
default_emergency_cleanup.h
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1 /*
2  * Copyright © 2014 Canonical Ltd.
3  *
4  * This program is free software: you can redistribute it and/or modify it
5  * under the terms of the GNU General Public License version 3,
6  * as published by the Free Software Foundation.
7  *
8  * This program is distributed in the hope that it will be useful,
9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11  * GNU General Public License for more details.
12  *
13  * You should have received a copy of the GNU General Public License
14  * along with this program. If not, see <http://www.gnu.org/licenses/>.
15  *
16  * Authored by: Alexandros Frantzis <alexandros.frantzis@canonical.com>
17  */
18 
19 #ifndef MIR_DEFAULT_EMERGENCY_CLEANUP_H_
20 #define MIR_DEFAULT_EMERGENCY_CLEANUP_H_
21 
22 #include <mir/emergency_cleanup.h>
23 
24 #include <memory>
25 #include <atomic>
26 #include <mutex>
27 
28 namespace mir
29 {
30 
32 {
33 public:
34  void add(EmergencyCleanupHandler const& handler) override;
35  void operator()() const override;
36 
37 private:
38  struct ListItem
39  {
41  std::unique_ptr<ListItem> next;
42  };
43 
44  ListItem* last_item();
45 
46  ListItem head;
47  std::atomic<int> num_handlers{0};
48  std::mutex handlers_mutex;
49 };
50 
51 }
52 
53 #endif
All things Mir.
Definition: atomic_callback.h:25
Definition: emergency_cleanup.h:27
void add(EmergencyCleanupHandler const &handler) override
Definition: default_emergency_cleanup.cpp:21
void operator()() const override
Definition: default_emergency_cleanup.cpp:29
Definition: default_emergency_cleanup.h:31
std::function< void()> EmergencyCleanupHandler
Definition: emergency_cleanup_registry.h:28

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