23 lines
384 B
Java
23 lines
384 B
Java
package u06_1;
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class Barrier {
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private int nThreads;
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private int currentThreads;
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public Barrier(int nThreads) {
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this.nThreads = nThreads;
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}
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synchronized public int await() throws InterruptedException {
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int pos = ++currentThreads;
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if (currentThreads >= nThreads) {
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notifyAll();
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} else {
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while (currentThreads < nThreads) {
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wait();
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}
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}
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return pos;
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}
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} |