Function libc::sigprocmask
pub unsafe extern "C" fn sigprocmask(how: ::c_int, set: *const sigset_t, oldset: *mut sigset_t) -> ::c_intpub unsafe extern "C" fn sigprocmask(how: ::c_int, set: *const sigset_t, oldset: *mut sigset_t) -> ::c_int