When initializing a global variable in a multithreaded program, a common programming error is to allow a

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When initializing a global variable in a multithreaded program, a common programming error is to allow a race condition where the variable can be initialized twice. Why could this be a problem? Windows provides the InitOnceExecuteOnce API to prevent such races. How might it be implemented?
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Modern Operating Systems

ISBN: 978-0133591620

4th edition

Authors: Andrew S. Tanenbaum, Herbert Bos

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