THE JR PROGRAMMING LANGUAGE phần 8 potx

... System Exercises 18. 1 18. 2 18. 3 18. 4 18. 5 18. 6 18. 7 18. 8 The text gave one set of activities that results in the structure shown in Figure 18. 1. Give another. Run the DFS program. Use at least two logical ... fun!) Program the inner input statement in class Scheduler (see Section 19.2) without using a synchronization expression. 19.2 A Solution 289 280 A Distribut...

Ngày tải lên: 12/08/2014, 13:22

... in their critical sections at the same time. Consider the values taken on by the turn variables in the Bakery2 pro- gram. Are these values bounded or can they become arbitrarily large? If they ... calls to Thread.sleep in the code. (Hint: first rewrite the code in the style of the Race program in Section 4.1.) Gather evidence that the processes in the SoSoCSTurns...

Ngày tải lên: 12/08/2014, 13:22

... Class 19.3 Observations Exercises 211 212 215 217 220 223 227 2 28 232 236 240 241 247 2 48 251 254 2 58 263 264 266 272 280 283 283 285 285 285 286 288 290 291 As noted above, JR extends Java with additional mechanisms for supporting concurrency. The key ... noted in the Preface, source code for all programming examples and the “given” parts of the programming...

Ngày tải lên: 12/08/2014, 13:22

... body of the loop as long as one of the two numbers is not EOS . The if statement compares the two numbers, outputs the smaller, and receives the next number in the stream from which the smaller ... two others. Workers first interact with others that are distance 1 away, then distance 2 away, then distance 4 away, and so on. If there are n workers, the number of stages is th...

Ngày tải lên: 12/08/2014, 13:22

... and then immediately requests the fork’s return. To reduce the number of messages exchanged, the request for the fork’s return could be combined with the passing of the fork. In particular, the ... on each virtual machine. The program outputs first the number 5—for the first writex (on the main virtual machine)—and then the number 10—for the second writex (on the...

Ngày tải lên: 12/08/2014, 13:22

... object. If the invocation is not rejected by the filter, then the subclass uses a forward statement to pass responsibility for servicing the invocation to the InOp serv defined in the parent ... operation a . The value of the first argument of the invocation is bound to parameter m during the execution of the block of code labeled “code for a”. Additional examples of...

Ngày tải lên: 12/08/2014, 13:22

... the other instances of Point in the same row and receives their elements of A. The compute process then sends its value of Brc to other instances of Point in the same column and receives their ... The main method then invokes the compute in the Jacobi object, gets back the results, and prints them out. The Jacobi class provides the compute method. This method is pass...

Ngày tải lên: 12/08/2014, 13:22

... of the ball. If the new location is at the top or the bottom of the board, it in effect makes the ball “bounce off” the border. If the new location of the ball is off the board to the left or the ... box should move to the specified position located on the other board.) clicking the mouse within the board will set the focus (for the key- board) to the boa...

Ngày tải lên: 12/08/2014, 13:22

... Scheduling Exercises 173 173 174 174 175 176 177 177 1 78 179 180 185 186 187 188 190 191 193 194 197 197 1 98 1 98 199 199 199 199 200 200 201 203 204 THE JR PROGRAMMING LANGUAGE Concurrent Programming in an Extended Java Simulation ... in the Preface, source code for all programming examples and the “given” parts of the programming exercises are available on...

Ngày tải lên: 27/06/2014, 08:20

... Class 19.3 Observations Exercises 211 212 215 217 220 223 227 2 28 232 236 240 241 247 2 48 251 254 2 58 263 264 266 272 280 283 283 285 285 285 286 288 290 291 Preface JR is a language for concurrent programming. It is an imperative language that ... Scheduling Exercises 173 173 174 174 175 176 177 177 1 78 179 180 185 186 187 188 190 191 193 194 197 197...

Ngày tải lên: 27/06/2014, 11:20