David Defour - Université de Perpignan

Arbitrating Contention for Shared
Resources
• Synchronizing a section of code
synchronized(someObject) {
code
}
• Fixing the previous race condition
public void run() {
int currentThreadNum;
synchronized(this) {
currentThreadNum = mLatestThreadNum;
System.out.printf("Setting currentNum to %s%n",
currentThreadNum);
mLatestThreadNum = mLatestThreadNum + 1;
}
for (int i = 0; i < LOOP_LIMIT; i++) {
...
}
}
719
jeudi 26 janvier 12