//! Check the hack of SIG_DFL for windows.
//!
//! Libc doesn't export SIG_DFL on windows. It seems to be 0 on all platforms, though, but just to
//! make sure, we observe it is so. We try to read the previous signal on startup and it must be
//! the default.
extern crate libc;
use ;
const SIG_DFL: sighandler_t = 0;