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 version of Boost is under active development. You are currently in the master branch. The current version is 1.90.0.

io_context::io_context (4 of 6 overloads)

io_context::io_context (4 of 6 overloads)

Constructor.

template<
    typename Allocator>
io_context(
    allocator_arg_t ,
    const Allocator & a,
    int concurrency_hint);

Construct with a hint about the required level of concurrency.

Parameters

a: An allocator that will be used for allocating objects that are associated with the context, such as services and internal state for I/O objects.
concurrency_hint: A suggestion to the implementation on how many threads it should allow to run simultaneously.