locking

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Global variable in ASP.NET

I wish to stop a thread from entering code while another thread is still executing that bit of code: I\'m currently going the following:[详细]

2023-04-07 14:45 分类：问答
Synchronizing to an object to be instantiated

Are there any synchronizing/reference issues with this code? (Assume that myStrings is already instantiated.)[详细]

2023-04-06 13:56 分类：问答
hibernate and locking

I\'m trying to exclude two reading threads from read the same record via hibernate. My SSCCE is as above, but both threads can read the object, while i was expecting that Thread-2 will throw an Except[详细]

2023-04-06 08:31 分类：问答
Mysql InnoDB table locked but I can "select" from another session. What gives?

During my development of some code, I needed to \'write l开发者_StackOverflowock\' an InnoDB table in order to avoid race conditions concurrency problems. \'read lock\' is not good enough as some para[详细]

2023-04-05 10:18 分类：问答
SELECT Blocking Update in DB with RCSI enabled

We have a database, tstERP.tstERP has RCSI enabled and that was verified via: SELECT is_read_committed_snapshot_on, name from sys.databases WHERE name = \'TEST\'[详细]

2023-04-05 09:38 分类：问答
Transactions, locks, isolation levels

I have a few questions regarding subject from the title. First of all, lets assume that we work with JDBC, and there we have 2 transactions T1 and T2. In T1 we execute select statement on one particul[详细]

2023-04-05 09:17 分类：问答
Why does Compare-And-Swap use Memory and Register

Why does the atomic swap instruction, which can be used to implement spin locks exchange data between a register and a memory location rather th开发者_运维问答an swapping two registers’ contents?The[详细]

2023-04-05 06:55 分类：问答
Should I use const to make objects thread-safe?

I wrote a class which instances may be accessed by several threads. I used a trick to remember users they have to lock the object before using it. It involves keeping only const instances. When in the[详细]

2023-04-04 18:08 分类：问答
Ignoring locks in SVN commit

How to make SVN to ignore the lock errors it faces when committing a collection of files? Pointing out the locked files, each time you want to c开发者_开发问答ommit the whole repository is time consum[详细]

2023-04-04 14:31 分类：问答
lock inside a simple property - can it deadlock?

Questions: Can I deadlock this code? Does the IsMouseInside property is thread safe? Does the use of the copy variable make sense?[详细]

2023-04-04 08:17 分类：问答