• Post Reply
  • Bookmark Topic Watch Topic
  • New Topic

Thread.sleep() and lock

 
Suleyman Suleymanov
Greenhorn
Posts: 3
  • Mark post as helpful
  • send pies
  • Quote
  • Report post to moderator
hello.can anyone help me with this code? it seems like thread does release lock when it enters to sleep mode when i uncomment the try-catch block.
 
Henry Wong
author
Marshal
Pie
Posts: 21430
84
C++ Chrome Eclipse IDE Firefox Browser Java jQuery Linux VI Editor Windows
  • Mark post as helpful
  • send pies
  • Quote
  • Report post to moderator
Suleyman Suleymanov wrote:hello.can anyone help me with this code? it seems like thread does release lock when it enters to sleep mode when i uncomment the try-catch block.


That's correct. The Thread.sleep() method doesn't release any locks. Were you under the impression that it does? Perhaps you are confusing the sleep() method with the wait() method?

Henry
 
Suleyman Suleymanov
Greenhorn
Posts: 3
  • Mark post as helpful
  • send pies
  • Quote
  • Report post to moderator
when i uncomment the try-catch block i get this output :
0 t1
0 t2
1 t1
1 t2
2 t1
2 t2
3 t1
3 t2
4 t2
4 t1
5 t2
5 t1
6 t2
6 t1
7 t1
7 t2
8 t2
8 t1
9 t1
9 t2
doesn't it mean that t1 release lock when it goes to sleep and t2 get the lock?
 
Henry Wong
author
Marshal
Pie
Posts: 21430
84
C++ Chrome Eclipse IDE Firefox Browser Java jQuery Linux VI Editor Windows
  • Mark post as helpful
  • send pies
  • Quote
  • Report post to moderator
Suleyman Suleymanov wrote:when i uncomment the try-catch block i get this output :
0 t1
0 t2

doesn't it mean that t1 release lock when it goes to sleep and t2 get the lock?


Oh... I am sorry. I misread your question...

No. Thread.sleep() does *not* release any locks. The reason that the two threads are interlacing is because the two threads are using two different locks.

Henry
 
Suleyman Suleymanov
Greenhorn
Posts: 3
  • Mark post as helpful
  • send pies
  • Quote
  • Report post to moderator
thanks.i got it.
 
  • Post Reply
  • Bookmark Topic Watch Topic
  • New Topic