Defined in 3 files as a macro:
- contrib/ntp/lib/isc/nothreads/include/isc/condition.h, line 32 (as a macro)
- contrib/ntp/lib/isc/pthreads/include/isc/condition.h, line 21 (as a macro)
- contrib/ntp/lib/isc/win32/include/isc/condition.h, line 21 (as a macro)