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POGood logging library for managed/unmanaged application?
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copied!<p>What logging library or approach would you recommend for this case:</p> <ul> <li>We want to be able to log both from managed and unmanaged code</li> <li>For the unmanaged code, the implementation should not cross back into managed code, because this could cause our unmanaged threads to get 'caught' during a garbage collection.</li> <li>Performance is a concern</li> </ul> <p><a href="http://www.nlog-project.org/" rel="nofollow noreferrer">NLog</a> provides a "C" api, but implements it in terms of its managed implementation. </p> <p>Many of the C logging libraries out there (<a href="http://www.arg0.net/rlog" rel="nofollow noreferrer">rlog</a>, <a href="http://code.google.com/p/google-glog/" rel="nofollow noreferrer">glog</a>) are reliant on macros + preprocessing and are not amenable to wrapping with .NET without extensive modification.</p> <p>I guess I'm looking for something with a native/unmanaged logging core, but a decent .NET managed api as well. Does this exist? If this doesn't exist, what comes the closest?</p> <p>Followup - Thanks for the responses mentioning log4net. I think Log4Net and NLog both perform ok in a pure managed application, -but-... The app I've been asked to build has unmanaged I/O on a background thread that absolutely cannot afford to be stopped by a garbage collection. If unmanaged c++ code has to call "up" into a managed logger, it stands a chance of being frozen for 200 or even 2000 milliseconds while the garbage collection occurs. That's why I'm looking for a library that is unmanaged at its core. - Dave</p>

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