utils/signals/programmer.cpp

84     _pimpl(new impl(signo))
91     if (::sigaction(_pimpl->signo, &sa, &_pimpl->old_sa) == -1) {
94                            _pimpl->signo, original_errno);
96         _pimpl->programmed = true;
106     if (_pimpl->programmed) {
127     PRE(_pimpl->programmed);
131     _pimpl->programmed = false;
133     if (::sigaction(_pimpl->signo, &_pimpl->old_sa, NULL) == -1) {
136                            _pimpl->signo, original_errno);