add: DBG("DEBUG: wait_handler : stopping all timers\n");
context: void wait_handler( void *attr){   struct cell *p_cell = (struct cell*)attr;   /* the transaction is already removed from WT_LIST by the timer */   /* the cell is removed from the hash table */   DBG("DEBUG: wait_handler : removing from table ans stopping all timers\n");   remove_from_hash_table( hash_table, p_cell );   stop_RETR_and_FR_timers(hash_table,p_cell) ;   /* put it on DEL_LIST - sch for del */    add_to_tail_of_timer( hash_table, (&(p_cell->dele_tl)), DELETE_LIST, DEL_TIME_OUT );}