1 files changed, 13 insertions, 0 deletions
diff --git a/src/taskmanager.cc b/src/taskmanager.cc
index b50e9a6..87cf2b0 100644
--- a/src/taskmanager.cc
+++ b/src/taskmanager.cc
@@ -39,6 +39,11 @@ TaskManager task_manager;
 #define PROJECTS_ID 4
 #define FIRST_TASK_ID 10
 
+static bool isProtected(taskid_t id)
+{
+  return id < FIRST_TASK_ID;
+}
+
 TaskManager::TaskManager() {
   idCount = FIRST_TASK_ID;
 
@@ -79,6 +84,9 @@ taskid_t TaskManager::createId() {
 
 TaskIdList TaskManager::moveTask(taskid_t id, taskid_t to) 
   throw (std::exception) {
+
+  if(isProtected(id)) return TaskIdList();
+
   TaskIdList affectedTasks;
 
   try {
@@ -93,6 +101,9 @@ TaskIdList TaskManager::moveTask(taskid_t id, taskid_t to)
 
 TaskIdList TaskManager::removeTask(taskid_t id) 
   throw (std::exception) {
+
+  if(isProtected(id)) return TaskIdList();
+
   TaskIdList affectedTasks;
 
   if(tree.bfs(id).size() > 1) throw std::exception();
@@ -110,6 +121,8 @@ TaskIdList TaskManager::removeTask(taskid_t id)
 TaskIdList TaskManager::updateTask(taskid_t id, task_t t) 
   throw (std::exception) {
 
+  if(isProtected(id)) return TaskIdList();
+
   TaskIdList affectedTasks;
 
   try {