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std::terminate_handler

From cppreference.com
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Error handling
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terminate_handler
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Defined in header <exception>
typedef void (*terminate_handler)();

std::terminate_handler is the function pointer type (pointer to function that takes no arguments and returns void), which is installed and queried by the functions std::set_terminate and std::get_terminate and called by std::terminate.

The C++ implementation provides a default std::terminate_handler function, which calls std::abort(). If the null pointer value is installed (by means of std::set_terminate), the implementation may restore the default handler instead.

[edit] See also

function called when exception handling fails
(function) [edit]
changes the function to be called by std::terminate
(function) [edit]
obtains the current terminate_handler
(function) [edit]