public variable USER_SLAVE_READY       = 100;
public variable USER_SLAVE_NEWTASK     = 101;
public variable USER_SLAVE_RESULT      = 102;
public variable USER_SLAVE_EXIT        = 103;
public variable USER_SLAVE_WANTS_DATA  = 104;
public variable USER_SLAVE_NOT_NEEDED  = 105;
public variable USER_SLAVE_STARTUP     = 106;
  
public variable USER_FILE_CHECK_LOCK   = 206;
public variable USER_FILE_LOCKED       = 207;
public variable USER_FILE_UNLOCKED     = 208;

public variable USER_MASTER_SENDS_DATA = 309;

provide ("pvm_msgid");