jprocess_field_Process_pid = jxbt_get_jfield(env, jprocess_class_Process, "pid", "I");
jprocess_field_Process_ppid = jxbt_get_jfield(env, jprocess_class_Process, "ppid", "I");
jprocess_field_Process_host = jxbt_get_jfield(env, jprocess_class_Process, "host", "Lorg/simgrid/msg/Host;");
jprocess_field_Process_pid = jxbt_get_jfield(env, jprocess_class_Process, "pid", "I");
jprocess_field_Process_ppid = jxbt_get_jfield(env, jprocess_class_Process, "ppid", "I");
jprocess_field_Process_host = jxbt_get_jfield(env, jprocess_class_Process, "host", "Lorg/simgrid/msg/Host;");