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我试图确定Java线程是否在终止时为interrupted
。到目前为止,答案似乎是“不”......如何获取终止的Java线程的中断状态?
就在下降到run()
结束之前,我们可以看到Thread.currentThread().isInterrupted()
是true
。
但join()
荷兰国际集团的目标线程之后,我们总是得到false
:
import static org.junit.Assert.*;
import org.junit.Test;
public class ThreadDeadInterruptStateTest {
@Test public void test() {
Thread a = new Thread(new Runnable() {
@Override public void run() {
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
} finally {
// 2x to show that check doesn't reset status
assertTrue("Interrupt status from a 1: ", // pass
Thread.currentThread().isInterrupted());
assertTrue("Interrupt status from a 2: ", // pass
Thread.currentThread().isInterrupted());
}
}});
a.start();
a.interrupt();
try {
a.join();
assertEquals("Thread state", a.getState(),
Thread.State.TERMINATED); // pass
assertTrue("Interrupt status after join: ",
a.isInterrupted()); // Still FAILs :-(
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
}
}
public static void main(String[] args) {
new ThreadDeadInterruptStateTest().test();
}
}
修正了错字。仍然被破坏。 – DouglasDD
它似乎是清除状态的“加入”调用:http://ideone.com/2s0x6H。尽管如此,我无法看到该行为记录在哪里。 –
投票重新开放,但我立即重新作为这个骗局:http://stackoverflow.com/questions/10401947/methods-that-clear-the-thread-interrupt-flag –