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57 lines
1.6 KiB
57 lines
1.6 KiB
// The contents of this file are in the public domain. See LICENSE_FOR_EXAMPLE_PROGRAMS.txt
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/*
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This is an example illustrating the use of the timer object from the dlib C++ Library.
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The timer is an object that calls some user specified member function at regular
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intervals from another thread.
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*/
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#include <dlib/timer.h>
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#include <dlib/misc_api.h> // for dlib::sleep
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#include <iostream>
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using namespace dlib;
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using namespace std;
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// ----------------------------------------------------------------------------------------
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class timer_example
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{
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public:
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void action_function()
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{
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// print out a message so we can see that this function is being triggered
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cout << "action_function() called" << endl;
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}
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};
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// ----------------------------------------------------------------------------------------
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int main()
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{
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timer_example e;
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// Here we construct our timer object. It needs two things. The second argument is
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// the member function it is going to call at regular intervals and the first argument
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// is the object instance it will call that member function on.
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timer<timer_example> t(e, &timer_example::action_function);
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// Set the timer object to trigger every second
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t.set_delay_time(1000);
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// Start the timer. It will start calling the action function 1 second from this call
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// to start.
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t.start();
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// Sleep for 10 seconds before letting the program end.
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dlib::sleep(10000);
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// The timer will destruct itself properly and stop calling the action_function.
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}
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// ----------------------------------------------------------------------------------------
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