Function gnunet_sys::GNUNET_SIGNAL_handler_install

pub unsafe extern "C" fn GNUNET_SIGNAL_handler_install(
    signal: c_int, 
    handler: GNUNET_SIGNAL_Handler
) -> *mut GNUNET_SIGNAL_Context

Install a signal handler that will be run if the given signal is received.

@param signal the number of the signal @param handler the function to call @return context that can be used to restore, NULL on error