env->SetMethod(process, "getgroups", GetGroups);
env->SetMethod(process, "setgroups", SetGroups);
env->SetMethod(process, "initgroups", InitGroups);
env->SetMethod(process, "getgroups", GetGroups);
env->SetMethod(process, "setgroups", SetGroups);
env->SetMethod(process, "initgroups", InitGroups);