Origins of "joinable" and "unjoinable" in multi-threading [closed] - c++

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Why does POSIX use the words "joinable" and "unjoinable" to describe between a thread that is/was/might/could-in-the-future-be doing something and a thread that is idle and waiting to be deleted? What was the initiative behind the selection of these particular words to describe the current state of a thread?

You can maybe use this kind of mental model to explain the terminology:

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Thread crash detection in Linux environment and c++ [closed]

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I would like to know if there is a way to know if one of my Threads Crashed?
with new c++ methods/libraries or linux system calls
ive been searching the internet and couldnt find a answer to my question

Notify a specified tread in C++ [closed]

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I didn't find anything on the Internet about this, so I'm asking here.
Is there a command in C++ to notify a specified thread and not a casual one?
Use one std::condition_variable for each event you want to wait for.

Create timer queue in Linux using C++ [closed]

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I have implemented a project in Windows using C++ that creates a timer queue, add entries to it, perform a callback function when the timer expires,waits for next timer, etc. It was possible using the Windows functions CreateTimer, CreateTimerQueueTimer, CreateTimer,etc.
Now my question is how to do the same thing in Linux using C++? Is there some API ? Is timer_create a good option for doing this? It will be much helpful if an example is also provided.
Can't you use libevent for this ?

Linux Kernel Implementation [closed]

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I am implementing network layer to aggregate 2 network interface by dividing data to send them on 2 interfaces and combine it on the receiving end. I have achieved it in socket programming(c) but now I have to implement it on kernel in Ubuntu. I cant figure out where to start as i do not have any prior knowledge of kernel programing. Can anyone guide me about any helpful tutorials or demos so i can start working on it.
Have a look at network interface bonding.

How can i implement ambient Occlusion (SSAO) for Horde3d? [closed]

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i've read couple of blog posts about the ssao effect but so far but i dont' know where to begin im beginner on the whole thing of GPU programming. Can anybody help me?
http://kuko.serveblog.net/2012/05/08/horde3d-ssao-effect-ambient-occlusion-tutorial/