Boost
C++ Libraries
...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
This is an older version of Boost and was released in 2023. The current version is 1.89.0.
Boost.Asio provides timers based on the std::chrono
facilities via the basic_waitable_timer
class template. The typedefs system_timer,
steady_timer and
high_resolution_timer
utilise the standard clocks system_clock,
steady_clock and high_resolution_clock respectively.
Support for the std::chrono facilities is automatically enabled
for g++ 4.6 and later, when the -std=c++0x
or -std=gnu++0x compiler options are used. (Note that,
for g++, the draft-standard monotonic_clock
is used in place of steady_clock.)
Support may be disabled by defining BOOST_ASIO_DISABLE_STD_CHRONO,
or explicitly enabled for other compilers by defining BOOST_ASIO_HAS_STD_CHRONO.
When standard chrono is
unavailable, Boost.Asio will otherwise use the Boost.Chrono library. The
basic_waitable_timer
class template may be used with either.