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.NET Forum / .NET Framework / New Users / July 2005ThreadAbortException - Why is it rethrown?
Hi, I have a question regarding ThreadAbortException. Why is the thread abort exception rethrown at the end of a catch clause? Why is ThreadAbortException's behavior designed to be this way? Thanks in advance -Vivek Not sure but I believe it has to do with caller notification. If the thread aborted, the caller couldn't possibly know what killed the thread. An automatic rethrow allows the caller to know, since the caller isn't necessarily the one inducing the thread abort.  SignatureRegards, Alvin Bruney - ASP.NET MVP [Shameless Author Plug] The Microsoft Office Web Components Black Book with .NET Now available @ www.lulu.com/owc, Amazon.com etc > Hi, > [quoted text clipped - 4 lines] > Thanks in advance > -Vivek Thanks for your views. Now that i think more about it I wonder if it has anything to do with giving functions upper in the call stack a chance to free unmanaged resourecs on their call stack if any! Example foo1 is a method that the thread is executing (basically foo1 is the ThreadStart parameter) foo1 calls foo2 . foo2 opens some files (unmanaged calls) and then calls foo3 Assume we call the Abort method while foo3 is executing If execution concluded in the ThreadAbortException of foo3 the files would still be open! Maybe that's the reason by ThreadAbortException is always rethrown unless ResetAbort is explicitly called? Any thoughts? > Not sure but I believe it has to do with caller notification. If the thread > aborted, the caller couldn't possibly know what killed the thread. An [quoted text clipped - 9 lines] > > Thanks in advance > > -Vivek that's possible as well. i suspect there are more reasons as well. SignatureRegards, Alvin Bruney - ASP.NET MVP [Shameless Author Plug] The Microsoft Office Web Components Black Book with .NET Now available @ www.lulu.com/owc, Amazon.com etc > Thanks for your views. > Now that i think more about it I wonder if it has anything to do with [quoted text clipped - 30 lines] >> > Thanks in advance >> > -Vivek Free MagazinesGet these publications absolutely FREE for up to 12 months. There are no hidden fees and no obligation. Simply choose a title, complete the application form and submit it. Read more ...
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