bob/libsctimer
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User callback changed, better interface

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This commit is contained in:
Bob Polis 2024-01-23 20:43:39 +01:00
parent d9233605f9
commit df1e984c5a
2 changed files with 28 additions and 10 deletions
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15
src/timer.cpp
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@ -7,8 +7,17 @@
uint64_t sc::timer::next_id = 0;
std::mutex sc::timer::mutex;
sc::timer::timer(void(*callback)(union sigval), double time, bool repeat)
: _id {}, _time {time}, _repeat {repeat}
void sc::timer::callback(union sigval sv) {
timer* self = reinterpret_cast<timer*>(sv.sival_ptr);
self->_expired_func(self, self->_context);
}
sc::timer::timer(void(*expired_func)(timer*, void*),
double time,
bool repeat,
void* context)
: _id {}, _time {time}, _repeat {repeat},
_expired_func {expired_func}, _context {context}
{
{
std::lock_guard<std::mutex> lock {mutex};
@ -17,7 +26,7 @@ sc::timer::timer(void(*callback)(union sigval), double time, bool repeat)
struct sigevent se;
se.sigev_notify = SIGEV_THREAD;
se.sigev_value.sival_int = 0;
se.sigev_value.sival_ptr = &_id;
se.sigev_value.sival_ptr = this;
se.sigev_notify_function = callback;
se.sigev_notify_attributes = nullptr;
throw_if_min1_msg(timer_create(CLOCK_MONOTONIC, &se, &_tid), "could not create timer");

23
src/timer.hpp
View File

@ -11,19 +11,28 @@ namespace sc {
static std::mutex mutex;
timer_t _tid;
uint64_t _id;
double _time;
bool _repeat;
uint64_t _id {};
double _time {};
bool _repeat {};
void (*_expired_func)(timer* self, void* context);
void* _context {};
static void callback(union sigval);
public:
timer(void(*callback)(union sigval), double time, bool repeat = false);
timer(void(*expired_func)(timer*, void*),
double time,
bool repeat,
void* context);
~timer();
uint64_t id() const { return _id; }
double time() const { return _time; }
bool repeat() const { return _repeat; }
bool is_armed() const;
void time_left(struct itimerspec& cur_value) const;
double time_left() const;
double time() const { return _time; }
bool is_armed() const;
bool repeat() const { return _repeat; }
};
}