Try to solve ReentrantLock deadlock by interrupting threads when using lock() [fails] [1009313]

!7

static Lock a = fairLock();
static Lock b = fairLock();

p-tt {
  centerHigherConsole();
  
  doEvery_daemon(1000, r {
    L<ThreadInfo> lockingThreads = printDeadlocks();
    if (nempty(lockingThreads)) {
      print("Interrupting locking threads.");
      L<Thread> threads = threadInfosToThreads(lockingThreads);
      print("Interrupting " + n(threads, "thread"));
      for (Thread t : threads) t.interrupt();
    }
  });
  
  print("Initiating deadlock... :-)\n");
  
thread "A" {
    a.lock();
    try {
      print("Thread A has lock A.");
      sleep1Second();
      print("Thread A getting lock B.");
      b.lock();
      try {
        print("Thread A successful!");
      } finally {
        b.unlock();
      }
    } finally {
      a.unlock();
    }
  }
  
  thread "B" {
    b.lock();
    try {
      print("Thread B has lock B.");
      sleep1Second();
      print("Thread B getting lock A.");
      a.lock();
      try {
        print("Thread B successful!");
      } finally {
        a.unlock();
      }
    } finally {
      b.unlock();
    }
  }
 
  sleepQuietly();
}

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Snippet ID:	#1009313
Snippet name:	Try to solve ReentrantLock deadlock by interrupting threads when using lock() [fails]
Eternal ID of this version:	#1009313/4
Text MD5:	df3ea8d52db02aca7116079369a22db2
Transpilation MD5:	daad3ed1c89a50aef67d2912bddc0e7a
Author:	stefan
Category:	javax
Type:	JavaX source code
Public (visible to everyone):	Yes
Archived (hidden from active list):	No
Created/modified:	2017-07-23 15:24:03
Source code size:	1147 bytes / 56 lines
Pitched / IR pitched:	No / No
Views / Downloads:	761 / 882
Version history:	3 change(s)
Referenced in:	[show references]

< > BotCompany Repo | #1009313 // Try to solve ReentrantLock deadlock by interrupting threads when using lock() [fails]

JavaX source code [tags: use-pretranspiled] - run with: x30.jar

Author comment

1	!7
2
3	static Lock a = fairLock();
4	static Lock b = fairLock();
5
6	p-tt {
7	centerHigherConsole();
8
9	doEvery_daemon(1000, r {
10	L<ThreadInfo> lockingThreads = printDeadlocks();
11	if (nempty(lockingThreads)) {
12	print("Interrupting locking threads.");
13	L<Thread> threads = threadInfosToThreads(lockingThreads);
14	print("Interrupting " + n(threads, "thread"));
15	for (Thread t : threads) t.interrupt();
16	}
17	});
18
19	print("Initiating deadlock... :-)\n");
20
21	thread "A" {
22	a.lock();
23	try {
24	print("Thread A has lock A.");
25	sleep1Second();
26	print("Thread A getting lock B.");
27	b.lock();
28	try {
29	print("Thread A successful!");
30	} finally {
31	b.unlock();
32	}
33	} finally {
34	a.unlock();
35	}
36	}
37
38	thread "B" {
39	b.lock();
40	try {
41	print("Thread B has lock B.");
42	sleep1Second();
43	print("Thread B getting lock A.");
44	a.lock();
45	try {
46	print("Thread B successful!");
47	} finally {
48	a.unlock();
49	}
50	} finally {
51	b.unlock();
52	}
53	}
54
55	sleepQuietly();
56	}