operating-system

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Concurrecy: Mutual Exclusion only?

is providing mutual exclusion (ie. via spinlock mechanism) enough to ensure effective implementation of concurrency? Or do we have to explicitly implement some synchronization method as well?[详细]

2023-04-13 10:00 分类：问答
Task in vxworks

When we doing taskSpawn a task is creating in vxworks. What is actually a task. Is there any relation with thread.[详细]

2023-04-13 01:29 分类：问答
How do we determine how many arguments when backtracing?

I already know the calling procedure is like above, and wishing to write some lines of code to backtrace the functions called. The saved %ebp chain is no problem.[详细]

2023-04-13 00:12 分类：问答
Is this a bug in os or can someone explain to me what's going on?

>>> os.path.realpath(\"C:\") \'C:\\\\PythonApp\' >>> os.path.realpath(\"E:\") \'E:\\\\\'[详细]

2023-04-12 23:58 分类：问答
Get Process Status with WinApi in C (Active or Not)

At my operating system course in a project we have to 开发者_如何学Goget process status. We are coding with c.[详细]

2023-04-12 19:50 分类：问答
Getting the OS Animation preferences in Java

I have a Java app whose windows and internal components have animations that could slow down a less powerful computer. I know that all OSs have some form of animation preferences (In Windows, there ar[详细]

2023-04-12 18:02 分类：问答
Increase speed of JAVA program for Machine Learning

I am doing machine learning in java using GATE Learning. I have a huge data set of documents to learn from. While using netbeans, I was getting java heap space error. So I provided 1600MB in the -Xmx[详细]

2023-04-12 17:05 分类：问答
Xcode 4.0 operating system [closed]

As it currently stands, this question is not a good fit for our Q&A format. We expect answers to be supported by facts, references,or expertise, but this question will likely solicit debate, a[详细]

2023-04-12 05:39 分类：问答
How race conditions will caused by context switching [closed]

It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical andcannot be reasonably answered in its current form. For help clari[详细]

2023-04-12 04:12 分类：问答
Is Virtual memory really useful all the time?

Virtual memory is a good concept currently used by modern operating systems. But I was stuck answering a question and was not sure enough about it. Here is the question:[详细]

2023-04-12 04:07 分类：问答