termsig

/*
 *  call-seq:
 *     stat.termsig   => fixnum or nil
 *
 *  Returns the number of the signal that caused _stat_ to
 *  terminate (or +nil+ if self was not terminated by an
 *  uncaught signal).
 */

static VALUE
pst_wtermsig(st)
    VALUE st;
{
    int status = NUM2INT(st);

    if (WIFSIGNALED(status))
        return INT2NUM(WTERMSIG(status));
    return Qnil;
}