1 #include <sdeventplus/internal/cexec.hpp>
2 #include <sdeventplus/internal/sdevent.hpp>
3 #include <sdeventplus/source/signal.hpp>
4 #include <sdeventplus/types.hpp>
5
6 #include <memory>
7 #include <type_traits>
8 #include <utility>
9
10 namespace sdeventplus
11 {
12 namespace source
13 {
14
Signal(const Event & event,int sig,Callback && callback)15 Signal::Signal(const Event& event, int sig, Callback&& callback) :
16 Base(event, create_source(event, sig), std::false_type())
17 {
18 set_userdata(
19 std::make_unique<detail::SignalData>(*this, std::move(callback)));
20 }
21
Signal(const Signal & other,sdeventplus::internal::NoOwn)22 Signal::Signal(const Signal& other, sdeventplus::internal::NoOwn) :
23 Base(other, sdeventplus::internal::NoOwn())
24 {}
25
set_callback(Callback && callback)26 void Signal::set_callback(Callback&& callback)
27 {
28 get_userdata().callback = std::move(callback);
29 }
30
get_signal() const31 int Signal::get_signal() const
32 {
33 return SDEVENTPLUS_CHECK(
34 "sd_event_source_get_signal",
35 event.getSdEvent()->sd_event_source_get_signal(get()));
36 }
37
get_userdata() const38 detail::SignalData& Signal::get_userdata() const
39 {
40 return static_cast<detail::SignalData&>(Base::get_userdata());
41 }
42
get_callback()43 Signal::Callback& Signal::get_callback()
44 {
45 return get_userdata().callback;
46 }
47
create_source(const Event & event,int sig)48 sd_event_source* Signal::create_source(const Event& event, int sig)
49 {
50 sd_event_source* source;
51 SDEVENTPLUS_CHECK("sd_event_add_signal",
52 event.getSdEvent()->sd_event_add_signal(
53 event.get(), &source, sig, signalCallback, nullptr));
54 return source;
55 }
56
signalCallback(sd_event_source * source,const struct signalfd_siginfo * si,void * userdata)57 int Signal::signalCallback(sd_event_source* source,
58 const struct signalfd_siginfo* si, void* userdata)
59 {
60 return sourceCallback<Callback, detail::SignalData, &Signal::get_callback>(
61 "signalCallback", source, userdata, si);
62 }
63
64 namespace detail
65 {
66
SignalData(const Signal & base,Signal::Callback && callback)67 SignalData::SignalData(const Signal& base, Signal::Callback&& callback) :
68 Signal(base, sdeventplus::internal::NoOwn()), BaseData(base),
69 callback(std::move(callback))
70 {}
71
72 } // namespace detail
73
74 } // namespace source
75 } // namespace sdeventplus
76