src/utils/HLH_Cond.h

   1 /*******************************************************************************
   2  *         File : HLH_Cond.h
   3  *
   4  *       Author : Henry He
   5  *      Created : 2009-10-8 11:46:20
   6  *  Description :
   7  ******************************************************************************/
   8
   9 #ifndef __HLH_COND_INC_20091008_114620_HENRY__
  10 #define __HLH_COND_INC_20091008_114620_HENRY__
  11
  12
  13 /*******************************************************************************
  14  * Desc : Includes Files
  15  ******************************************************************************/
  16 #include "utils/typedef.h"
  17 #include "utils/HLH_RoundU32.h"
  18 #include "utils/HLH_Time.h"
  19 #include "utils/HLH_Mutex.h"
  20
  21 /*******************************************************************************
  22  * Desc : Macro Definations
  23  ******************************************************************************/
  24
  25 ////////////////////////////////////////////////////////////////////////////////
  26 // Error Codes
  27
  28 #define HLH_COND_ERR_FAILED                 (-1)
  29 #define HLH_COND_ERR_ALREADY_INITED         (-2)
  30 #define HLH_COND_ERR_NOT_INIT               (-3)
  31 #define HLH_COND_ERR_CANT_INIT              (-4)
  32
  33
  34 /*******************************************************************************
  35  * Desc : Type Definations
  36  ******************************************************************************/
  37
  38
  39 /*******************************************************************************
  40  * Desc : Global Variables
  41  ******************************************************************************/
  42
  43
  44
  45
  46
  47 /*******************************************************************************
  48  * Desc : Classes
  49  ******************************************************************************/
  50
  51 class HLH_Cond
  52 {
  53
  54   public:
  55     /******************************************************************************
  56      * Desc : Constructor / Deconstructor
  57      ******************************************************************************/
  58     HLH_Cond ();
  59     ~ HLH_Cond ();
  60
  61   public:
  62     /******************************************************************************
  63      * Desc : Operations
  64      ******************************************************************************/
  65
  66     // Init this condition
  67     int Init ();
  68
  69     // Destroy this condition
  70     void Destroy ();
  71
  72     // Wait for this condition
  73     int Wait (HLH_Mutex &zhmMutex);
  74
  75     // Wait for this condition util time reach
  76     int TimeWait (HLH_Mutex &zhmMutex, const HLH_Time &zhtTime);
  77
  78     // Signal condition is reach
  79     int Signal ();
  80
  81     // Signal all the waiter condition is reach
  82     int Broadcast ();
  83
  84   private:
  85     /******************************************************************************
  86      * Desc : Private Data
  87      ******************************************************************************/
  88
  89     // Whether this instance initialized
  90     bool              m_bInited;
  91
  92     // Internal condtion of HLH_Cond
  93     pthread_cond_t    m_cCond;
  94
  95 };
  96
  97
  98
  99
 100
 101
 102 #endif /* __HLH_COND_INC_20091008_114620_HENRY__ */