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 2018. The current version is 1.89.0.

signal_set::add (2 of 2 overloads)

signal_set::add (2 of 2 overloads)

Add a signal to a signal_set.

void add(
    int signal_number,
    boost::system::error_code & ec);

This function adds the specified signal to the set. It has no effect if the signal is already in the set.

Parameters

signal_number: The signal to be added to the set.
ec: Set to indicate what error occurred, if any.