The C++ standard library provides default versions of the following handler functions (Clause [language.support]):
A C++ program may install different handler functions during execution, by supplying a pointer to a function defined in the program or the library as an argument to (respectively):
A C++ program can get a pointer to the current handler function by calling the following functions:
Calling the set_* and get_* functions shall not incur a data race. A call to any of the set_* functions shall synchronize with subsequent calls to the same set_* function and to the corresponding get_* function.