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Give an example of microkernel.
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Answer / vinita
Qnx and Vxworks both are microkernel.
Vxworks kernel include schedulling and system
clock ,semaphore and IPC and synchronisation.
but it is configuarble.
| Is This Answer Correct ? | 6 Yes | 3 No |
Answer / arulpandiyan v
* Mach
* QNX
* L4
* AmigaOS
* Minix
These are all micro kernel
| Is This Answer Correct ? | 2 Yes | 0 No |
Answer / prasanth r kosigi shroff
Vx Works and QNX are the best examples
| Is This Answer Correct ? | 3 Yes | 2 No |
Answer / priyanka gautam
the reduced size of a kernal(reduction in code)is known as
microkernal.for example kernals in mobile phones.
| Is This Answer Correct ? | 1 Yes | 2 No |
Answer / michael
menuet is microkernel os. it fits ona floppy disc and has a
halfway decent gui.
| Is This Answer Correct ? | 0 Yes | 1 No |
What is the difference b/n any GPOS and RTOS?Give suitable examples or characteristic of RTOS to support your answer. What changes can be done in a GPOS to make it work like a RTOS? What basic features will you support, if you have to design a RTOS?
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I have been working on one thread which manage and control a couple of circular buffers. It has api for other thread to access. As the thread grows bigger and bigger, I split it as 3 to 4 threads which need to share common buffers, and also their api could be used by other threads, (not these three threads). Inside api, I also allow other threads to access these three threads' common buffers(more than one buffer). SO I have to use mutex to avoid race condition . But I found mutex will be everwhere in all the threads when they update the common buffer. I am wondering whether I could reduce mutex usage(more mutex will hure my system performance). any ideas for how to reduce mutex usage meanwhile to avoid race condition. Thanks
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Vxworks 
