1 files changed, 3 insertions, 0 deletions

diff --git a/include/sitecing/scoreboard.h b/include/sitecing/scoreboard.h
index 788f881..1371ab1 100644
--- a/include/sitecing/scoreboard.h
+++ b/include/sitecing/scoreboard.h
@@ -1,95 +1,98 @@
 #ifndef __SITECING_SCOREBOARD_H
 #define __SITECING_SCOREBOARD_H
 
 #include <sys/types.h>
 
 /**
  * @file
  * @brief the scoreboard manager.
  */
 
 /**
  * @def MAX_SITECING_SCOREBOARD_SLOTS
  * The maximum number of slots scoreboard can hold.
  */
         #define         MAX_SITECING_SCOREBOARD_SLOTS512
 
 namespace sitecing {
   
     /**
      * The scoreboard slot.
      */
     struct scoreboard_slot {
         /**
          * The state enumeration.
          */
         enum _state {
             /**
              * The slot is free.
              */
             state_free = 0,
             /**
              * The slot is allocated.
              */
             state_allocated,
             /**
              * The process is idle.
              */
             state_idle,
             /**
              * The process is accepting connection.
              */
             state_accept,
             /**
              * The process is processing request.
              */
             state_processing
         }   state;
+        /**
+         * Process ID
+         */
         pid_t pid;
     };
 
     /**
      * The scoreboard manager.
      */
     class scoreboard {
         /**
          * shared memory id.
          */
         int shmid;
         public:
             /**
              * Pointer to the scoreboard slots.
              */
             scoreboard_slot *slots;
 
             scoreboard();
             ~scoreboard();
 
             /**
              * Allocate a scoreboard slot.
              * @return the slot number.
              */
             int allocate_slot();
             /**
              * Free the slot allocated.
              * @param slot the slot number.
              */
             void free_slot(int slot);
 
             /**
              * Get the pointer to the slot.
              * @param slot the slot number.
              * @return the pointer.
              */
             scoreboard_slot *get_slot(int slot);
             /**
              * Find the slot corresponding to the process ID.
              * @param pid the process id.
              * @return the slot number.
              */
             int get_slot_by_pid(pid_t pid);
 
             /**
              * Count the slots in the particular state.
              * @param state the state.
              * @return the number of slots found.