iceoryx_hoofs  2.0.2
signal_handler.hpp
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16 #ifndef IOX_HOOFS_POSIX_WRAPPER_SIGNAL_HANDLER_HPP
17 #define IOX_HOOFS_POSIX_WRAPPER_SIGNAL_HANDLER_HPP
18 
19 #include "iceoryx_hoofs/platform/signal.hpp"
20 
21 namespace iox
22 {
23 namespace posix
24 {
25 using SignalHandlerCallback_t = void (*)(int);
26 
29 enum class Signal : int
30 {
31  BUS = SIGBUS,
32  INT = SIGINT,
33  TERM = SIGTERM,
34  HUP = SIGHUP,
35  ABORT = SIGABRT,
38 };
39 
55 {
56  public:
57  SignalGuard(SignalGuard&& rhs) noexcept;
58  SignalGuard(const SignalGuard&) = delete;
59  ~SignalGuard() noexcept;
60 
61  SignalGuard& operator=(const SignalGuard& rhs) = delete;
62  SignalGuard& operator=(SignalGuard&& rhs) = delete;
63 
64  friend SignalGuard registerSignalHandler(const Signal, const SignalHandlerCallback_t) noexcept;
65 
66  private:
67  void restorePreviousAction() noexcept;
68  SignalGuard() noexcept = default;
69  SignalGuard(const Signal signal, const struct sigaction& previousAction) noexcept;
70 
71  private:
72  Signal m_signal;
73  struct sigaction m_previousAction = {};
74  bool m_doRestorePreviousAction{false};
75 };
76 
86 SignalGuard registerSignalHandler(const Signal signal, const SignalHandlerCallback_t callback) noexcept;
87 } // namespace posix
88 } // namespace iox
89 #endif
The SignalGuard is a class returned by registerSignalHandler. When it goes out of scope it restores t...
Definition: signal_handler.hpp:55
friend SignalGuard registerSignalHandler(const Signal, const SignalHandlerCallback_t) noexcept
Register a callback for a specific posix signal (SIG***).
building block to easily create free function for logging in a library context
Definition: lockfree_queue.hpp:29