I want to design a timer in c++, to execute my function after a fixed time.
the code likes like:
#include <thread>
typedef void (*callback)();
class timer {
public:
void start(int sec, callback f) {
std::thread t([&sec, &f]() {sleep(sec); f();});
}
};
void test () {
printf("here called\n");
}
int main() {
timer t;
t.start(3, test);
while (1);
}
but when i run this code, i got:
terminate called without an active exception
[1] 3168208 abort (core dumped) ./a.out
can you help on this? and, any suggestions for a more flexible timer design?
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