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Garmin Software Engineer Interview Question

I interviewed in Kansas City, MO and was asked:
"What is a mutex?"
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Part of a Software Engineer Interview Review - one of 136 Garmin Interview Reviews

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I had not done much work in threading in C before, so I didn't know how to explain a thread mutex.
- Interview Candidate on Jan 14, 2012 Flag Response
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A Mutual exclusion, is a mechanism for syncrhonization between threads. If a thread has owned a mutex while accessing some resource, another thread waiting on the same mutex will be blocked from accessing the resource until the first thread releases the mutex.
- Anonymous on Jan 30, 2012 Flag Response

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