Live Messenger ignore Win32 API ReadFile return code and 100% CPU

Messenger bug hunter

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02-16-2008

Live Messenger does not handle "ReadFile" error and use 100% CPU.

Easy to reproduce.

Steps like following:
1. Open a file on USB drive and send to a friend.
2. Remove USB drive while Messenger sending the file

Messenger use 100% CPU

Break with Windbg and find out that Messenger keep calling Win32 API
"ReadFile" and ignoring error code "ReadFile" return. More over, this is done
in messenger's main thread's OnTimer call.

This is a bug for sure.

Could Messenger developer fix this?

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