Boost.Test > Components > The Unit Test Framework > > Parameters > catch system errors

# The 'catch system errors' parameter

Parameter Name: | Catch system errors
Environment variable name: | BOOST_TEST_CATCH_SYSTEM_ERRORS
Command line argument name: | catch_system_errors
Acceptable Values: | yes no
Description: | value "no" prohibit the framework from catching asyncronous system events. This could be used for test programs executed within GUI or to get a coredump for stack analisys. See usage recomendations page for more details.