original files

Author: bakshtb

APP77.CPP

@@ -10,100 +10,64 @@
 // user Functions
 void a( )
 {
-	MUTEX.acquire();
+	SMARTS.contextSwitchOff();
 	cout << "\n *************   A Start    *********************";
-	MUTEX.release();
-	for (int j=0; j < 3; j++)
+	SMARTS.contextSwitchOn();
+	for (int j=0; j <500; j++)
 	{
 		for (long i=0; i <600000; i++);
-		MUTEX.acquire();
+		SMARTS.contextSwitchOff();
 		cout << "A";
-		MUTEX.release();
+		SMARTS.contextSwitchOn();
 	}
-	MUTEX.acquire();
+	SMARTS.contextSwitchOff();
 	cout << "\n *************   A Finish   *********************";
-	MUTEX.release();
+	SMARTS.contextSwitchOn();
 }
 
 void b( )
 {
-	MUTEX.acquire();
+	SMARTS.contextSwitchOff();
 	cout << "\n *************   B Start    *********************";
-	MUTEX.release();
-	for (int j=0; j < 2; j++)
+	SMARTS.contextSwitchOn();
+	for (int j=0; j <500; j++)
 	{
 		for (long i=0; i < 600000; i++);
-		MUTEX.acquire();
+		SMARTS.contextSwitchOff();
 		cout << "B";
-		MUTEX.release();
+		SMARTS.contextSwitchOn();
 	}
-	MUTEX.acquire();
+	SMARTS.contextSwitchOff();
 	cout << "\n *************   B Finish   *********************";
-	MUTEX.release();
+	SMARTS.contextSwitchOn();
 }
 
 void c( )
 {
-	MUTEX.acquire();
+	SMARTS.contextSwitchOff();
 	cout << "\n *************   C Start    *********************";
-	MUTEX.release();
-	for (int j=0; j <10; j++)
+	SMARTS.contextSwitchOn();
+	for (int j=0; j <500; j++)
 	{
 		for (long i=0; i < 600000; i++);
-		MUTEX.acquire();
+		SMARTS.contextSwitchOff();
 		cout << "C";
-		MUTEX.release();
+		SMARTS.contextSwitchOn();
 	}
-	MUTEX.acquire();
+	SMARTS.contextSwitchOff();
 	cout << "\n *************   C Finish   *********************";
-	MUTEX.release();
+	SMARTS.contextSwitchOn();
 }
 
-void a1()
-{
-	MUTEX.acquire();
-	//SMARTS.contextSwitchOff();
-	cout << "\n A";
-	for (long i = 0; i < 6000000; i++);
-	cout << "\n *************   A1    *********************";
-	MUTEX.release();
-	//SMARTS.contextSwitchOn();
-}
-void a2()
-{
-	MUTEX.acquire();
-	//SMARTS.contextSwitchOff();;
-	cout << "\n *************   A2    *********************";
-	MUTEX.release();
-	//SMARTS.contextSwitchOn();
-}
-void a3()
-{
-	MUTEX.acquire();
-	//SMARTS.contextSwitchOff();
-	cout << "\n *************   A3    *********************";
-	MUTEX.release();
-	//SMARTS.contextSwitchOn();
-}
-
-
-
 void main( )
 {
 	clrscr();
 	SMARTS.externalFunctions(timerInterruptHandler, scheduler, myTaskEnd, roundRobin);
-	//SMARTS.declareTask(a,'A', 51, 3, 30);
-	//SMARTS.declareTask(b,'B', 50, 2, 20);
-	//SMARTS.declareTask(c,'C', 49, 1, 10);
-	SMARTS.declareTask(a3, 'c', 102, 2, 3);
-	SMARTS.declareTask(a1, 'a', 100, 2, 1);
-	SMARTS.declareTask(a2, 'b', 101, 2, 2);
-
-
-
+	SMARTS.declareTask(a,'A');
+	SMARTS.declareTask(b,'B');
+	SMARTS.declareTask(c,'C');
 	SMARTS.runTheTasks();
-
-	char a;
-	cin >> a;
 }
 
+
+

EXTERN77.CPP

@@ -9,7 +9,6 @@
 
 /**********    GLOBAL Variables    **********/
 Parallelism SMARTS;
-Mutex MUTEX;
 static unsigned StackSegAct, StackPtrAct;
 
 /**********    EXTERNAL FUNCTION     **********/
@@ -27,15 +26,14 @@ void far interrupt timerInterruptHandler(...)
 	if (!SMARTS.getProgInt( ))
 	{
 		asm	int userInt;
-		SMARTS.handleClockPeriods();
 		SMARTS.handleTimers();
 	}
 	else	
 		SMARTS.resetProgInt( );  //else it is a software "prog interrupt". reset this flag
 
 			// if the 'context switch' flag=true, save the current task variables
 			// and call the 'scheduler'
-	if (SMARTS.getContextSwitch( ) || SMARTS.getProgInt())   // save stack addr of interrupted task in current stack
+	if (SMARTS.getContextSwitch( ))   // save stack addr of interrupted task in current stack
 	{
 		SMARTS.setCurrentStack(StackSegAct,StackPtrAct);
 		SMARTS.restoreSchedStack( );	      // prepare activation of the task "scheduler"
@@ -78,9 +76,6 @@ void scheduler( )	// this also a parallel task
 
 		//  'dispatcher' to restore the next task stack addr and registers
 	SMARTS.getCurrentStack(StackSegAct,StackPtrAct);
-
-	//cout << "[NEXT-TASK] " << nextTask << " [" << StackSegAct << ":" << StackPtrAct << "]" ;
-
 	asm	mov	ax,StackSegAct;
 	asm	mov	ss,ax
 	asm	mov	sp,StackPtrAct