Diff: TIME.cpp

Revision:

52:99915f5240b2

Parent:

34:c0b8705f183d

--- a/TIME.cpp	Tue Jan 09 15:15:08 2018 +0000
+++ b/TIME.cpp	Tue Jan 09 22:27:49 2018 +0000
@@ -3,129 +3,134 @@
 
 using namespace std;
 
-Mutex Time_Lock;
+Mutex Time_Lock;                    //Declare MUTEX
 
-int current_time_global = 0;
-int new_time = 0;
+int current_time_global = 0;        //Declare required variable
+int new_time = 0;                   //Declare required variable
 
 int get_current_time()              //Get Current Time
 {
-    Time_Lock.lock();
-    current_time_global = time(0);
-    Time_Lock.unlock();
-    return current_time_global;
+    Time_Lock.lock();               //Apply MUTEX lock
+    current_time_global = time(0);  //Get current time
+    Time_Lock.unlock();             //Release MUTEX lock
+    return current_time_global;     //Return the current time
 }
 
-void set_new_date(int days, int months, int years)
+void set_new_date(int days, int months, int years)                                                      //Set new date
 {
-    time_t Time = time(NULL);
-    tm* Time_Pointer = localtime(&Time); 
-    set_time(get_current_time() - year*(Time_Pointer->tm_year - 70) + year*(years - 1970));
-    set_time(get_current_time() - month*Time_Pointer->tm_mon + month*(months - 1));
-    set_time(get_current_time() - day*Time_Pointer->tm_mday + day*days);
+    Time_Lock.lock();                                                                                   //Apply MUTEX lock
+    time_t Time = time(NULL);                                                                           //Get system time
+    Time_Lock.unlock();                                                                                 //Release MUTEX lock                                                                         
+    tm* Time_Pointer = localtime(&Time);                                                                //Create pointer to Time
+    set_time(get_current_time() - year*(Time_Pointer->tm_year - 70) + year*(years - 1970));             //Set the year     
+    set_time(get_current_time() - month*Time_Pointer->tm_mon + month*(months - 1));                     //Set the month
+    set_time(get_current_time() - day*Time_Pointer->tm_mday + day*days);                                //Set the day
 }
 
-void set_new_time(int hours, int minutes, int seconds)
+void set_new_time(int hours, int minutes, int seconds)                                                  //Set new time
 {
-    time_t Time = time(NULL);
-    tm* Time_Pointer = localtime(&Time); 
-    set_time(get_current_time() - second*Time_Pointer->tm_sec + second*seconds);
-    set_time(get_current_time() - minute*Time_Pointer->tm_min + minute*minutes);
-    set_time(get_current_time() - hour*Time_Pointer->tm_hour + hour*hours);    
+    Time_Lock.lock();                                                                                   //Apply MUTEX lock
+    time_t Time = time(NULL);                                                                           //Get system time
+    Time_Lock.unlock();                                                                                 //Release MUTEX lock
+    tm* Time_Pointer = localtime(&Time);                                                                //Create pointer to Time 
+    set_time(get_current_time() - second*Time_Pointer->tm_sec + second*seconds);                        //Set the second
+    set_time(get_current_time() - minute*Time_Pointer->tm_min + minute*minutes);                        //Set the minute
+    set_time(get_current_time() - hour*Time_Pointer->tm_hour + hour*hours);                             //Set the hour
 }
 
-void Add_Second()                   //Seconds to Seconds
+void Add_Second()                   //Add one second to current time
 {
-    Time_Lock.lock();
-    new_time = time(0) + 1;
-    set_time(new_time);
-    Time_Lock.unlock();    
+    Time_Lock.lock();               //Apply MUTEX lock
+    new_time = time(0) + 1;         //Calculate new time
+    Time_Lock.unlock();             //Release MUTEX lock
+    set_time(new_time);             //Set new time
+}
+
+void Subtract_Second()              //Subtract one second from current time
+{
+    Time_Lock.lock();               //Apply MUTEX lock
+    new_time = time(0) - 1;         //Calculate new time
+    Time_Lock.unlock();             //Release MUTEX lock
+    set_time(new_time);             //Set new time   
 }
 
-void Subtract_Second()
+void Add_Minute()                   //Add one minute to the current time
 {
-    Time_Lock.lock();
-    new_time = time(0) - 1;
-    set_time(new_time);
-    Time_Lock.unlock();    
+    Time_Lock.lock();               //Apply MUTEX lock
+    new_time = time(0) + 60;        //Calculate new time
+    Time_Lock.unlock();             //Release MUTEX lock
+    set_time(new_time);             //Set new time
 }
 
-void Add_Minute()                   //Minutes to Seconds
+void Subtract_Minute()              //Subtract one minute from current time
 {
-    Time_Lock.lock();
-    new_time = time(0) + 60;
-    set_time(new_time);  
-    Time_Lock.unlock();  
-}
-
-void Subtract_Minute()
-{
-    Time_Lock.lock();
-    new_time = time(0) - 60;
-    set_time(new_time);
-    Time_Lock.unlock();
+    Time_Lock.lock();               //Apply MUTEX lock
+    new_time = time(0) - 60;        //Calculate new time
+    Time_Lock.unlock();             //Release MUTEX lock
+    set_time(new_time);             //Set new time
+    
 }
 
-void Add_Hour()                     //Hours to Seconds
+void Add_Hour()                     //Add one hour to the current time
 {
-    Time_Lock.lock();
-    new_time = time(0) + 3600;
-    set_time(new_time); 
-    Time_Lock.unlock();
+    Time_Lock.lock();               //Apply MUTEX lock
+    new_time = time(0) + 3600;      //Calculate new time
+    Time_Lock.unlock();             //Release MUTEX lock
+    set_time(new_time);             //Set new time
 }
 
-void Subtract_Hour()
+void Subtract_Hour()                //Subtract one hour from the current time
 {
-    Time_Lock.lock();
-    new_time = time(0) - 3600;
-    set_time(new_time);  
-    Time_Lock.unlock(); 
+    Time_Lock.lock();               //Apply MUTEX lock
+    new_time = time(0) - 3600;      //Calculate new time  
+    Time_Lock.unlock();             //Release MUTEX lock
+    set_time(new_time);             //Set new time
 }
 
-void Add_Day()                      //Days to Seconds
+void Add_Day()                      //Add one day to the current time
 {
-    Time_Lock.lock();
-    new_time = time(0) + 86400;
-    set_time(new_time); 
-    Time_Lock.unlock(); 
+    Time_Lock.lock();               //Apply MUTEX lock
+    new_time = time(0) + 86400;     //Calculate new time 
+    Time_Lock.unlock();             //Release MUTEX lock
+    set_time(new_time);             //Set new time
 }
 
-void Subtract_Day()
+void Subtract_Day()                 //Subtract one day from the current time
 {
-    Time_Lock.lock();
-    new_time = time(0) - 86400;
-    set_time(new_time);
-    Time_Lock.unlock();  
+    Time_Lock.lock();               //Apply MUTEX lock
+    new_time = time(0) - 86400;     //Calculate new time
+    Time_Lock.unlock();             //Release MUTEX lock
+    set_time(new_time);             //Set new time
 }
 
-void Add_Month()                   //Months to Seconds
+void Add_Month()                    //Add one month to current time
 {
-    Time_Lock.lock();
-    new_time = time(0) + 2629743;
-    set_time(new_time);  
-    Time_Lock.unlock();
+    Time_Lock.lock();               //Apply MUTEX lock
+    new_time = time(0) + 2629743;   //Calculate new time
+    Time_Lock.unlock();             //Release MUTEX lock
+    set_time(new_time);             //Set new time
 }
 
-void Subtract_Month()
+void Subtract_Month()               //Subtract one month from current time
 {
-    Time_Lock.lock();
-    new_time = time(0) - 2629743;
-    set_time(new_time);  
-    Time_Lock.unlock();
+    Time_Lock.lock();               //Apply MUTEX lock
+    new_time = time(0) - 2629743;   //Calculate new time
+    Time_Lock.unlock();             //Release MUTEX lock
+    set_time(new_time);             //Set new time
 }
 
-void Add_Year()                     //Years to Seconds
+void Add_Year()                     //Add one year to current time
 {
-    Time_Lock.lock();
-    new_time = time(0) + 31556926;
-    set_time(new_time); 
-    Time_Lock.unlock();    
+    Time_Lock.lock();               //Apply MUTEX lock
+    new_time = time(0) + 31556926;  //Calculate new time
+    Time_Lock.unlock();             //Release MUTEX lock
+    set_time(new_time);             //Set new time
 }
 
-void Subtract_Year()
-{
-    Time_Lock.lock();
-    new_time = time(0) - 31556926;
-    set_time(new_time);  
-    Time_Lock.unlock();   
+void Subtract_Year()                //Subtract one year from current time
+{   
+    Time_Lock.lock();               //Apply MUTEX lock
+    new_time = time(0) - 31556926;  //Calculate new time  
+    Time_Lock.unlock();             //Release MUTEX lock
+    set_time(new_time);             //Set new time
 }