+/* after_fork_hook
+ *
+ * Create the processlist entry for the child process. Put the last
+ * position in x at the current time value.
+ *
+ * @param hook_data ControlFlowData structure of the viewer.
+ * @param call_data Event context.
+ *
+ * This function adds items to be drawn in a queue for each process.
+ *
+ */
+int after_fork_hook(void *hook_data, void *call_data)
+{
+ EventsRequest *events_request = (EventsRequest*)hook_data;
+ ControlFlowData *control_flow_data = events_request->viewer_data;
+
+ LttvTracefileContext *tfc = (LttvTracefileContext *)call_data;
+
+ LttvTracefileState *tfs = (LttvTracefileState *)call_data;
+ LttvTraceState *ts =(LttvTraceState *)LTTV_TRACEFILE_CONTEXT(tfs)->t_context;
+
+ LttEvent *e;
+ e = tfc->e;
+
+ LttTime evtime = ltt_event_time(e);
+ TimeWindow time_window =
+ lttvwindow_get_time_window(control_flow_data->tab);
+
+ LttTime end_time = ltt_time_add(time_window.start_time,
+ time_window.time_width);
+
+ if(ltt_time_compare(evtime, time_window.start_time) == -1
+ || ltt_time_compare(evtime, end_time) == 1)
+ return;
+
+ guint width = control_flow_data->drawing->width;
+
+ if(strcmp(ltt_eventtype_name(ltt_event_eventtype(e)),"process") == 0) {
+
+ guint sub_id;
+ guint child_pid;
+ {
+ LttField *f = ltt_event_field(e);
+ LttField *element;
+ element = ltt_field_member(f,0);
+ sub_id = ltt_event_get_long_unsigned(e,element);
+ element = ltt_field_member(f,1);
+ child_pid = ltt_event_get_long_unsigned(e,element);
+ }
+
+ if(sub_id == 2) { /* fork */
+
+ /* Add process to process list (if not present) */
+ LttvProcessState *process_child;
+ LttTime birth;
+ guint y_child = 0, height = 0, pl_height = 0;
+ HashedProcessData *hashed_process_data_child = NULL;
+
+ ProcessList *process_list =
+ guicontrolflow_get_process_list(control_flow_data);
+