Question

这与

Im利用做一些有关某些C方案的信息。我用手法打上汇编,用手法操作我的java方案,然后打字。基本是一米:

make CC=~/my_script.sh

我愿利用几个工作(即选择做工)。它根据扶养规则管理了若干程序。

如果我理解得好,我会有太多的休息时间作为工作,正确吗?

The thing is that i m using sqlite-jdb to collect some info. So the problem is how to avoid several processes trying to modify the db at the same time ? It seems that the sqlite lock is jvm-dependant (i mean one lock can be "see" only inside the locking jvm), and that this is the same for RandomAccessFile.lock().

你们对如何做到这一点有什么想法? (提出病状,然后看病是否存在,似乎是一种可能性,但可能是昂贵的。) dB的锁定表?

感谢

Answer 1

http://java.sun.com/javase/6/docs/api/java/nio/channels/FileLock.html” rel=“noreferer”>java.nio.channels.FileLock 允许跨处理文件锁定工作。



然而,在将电动电动电完全与Rube-Goldbergian和碎片一道向我发出电动之前,使用一种双管齐下的双管双管双管齐下双管。

Answer 2

there are several solutions for this. if your lock should be within the same machine, you can use a server socket to implement it (The process that manages to bind to the port first owns the lock, other processes waits for the port to become available).

如果你需要一个跨越多台机器的锁,你可以使用一个超时锁。这将需要。服务器运行。如果你对这个解决办法感兴趣,我可以颁布一些法典。

http://www.whalin.com/memcadated/“rel=“nofollow noretinger”here 。

Answer 3

页: 1 这可能似乎是解决你需要的过于沉重的办法,但至少是审议。

友情链接