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1.3.4 Predefined Timers

A timer is a device that is triggered after a predefined amount of time. They are used to calculate the sample time and the total time (see Timer Reference for a detailed description.)

The following timers are implemented by the library:

• chrono-adapter:

  Timer adapter from a provided chronometer (see Timer Provider Reference.)

• itimer:

  Timer based on the setitimer API. This timer only supports one timer per type.

• timer-t:

  Timer based on the timer_t API.

• timerfd:

  Timer based on the timerfd API, currently only supported on GNU systems based on Linux kernel.