[Quickfix-developers] are onMessage callbacks multithreaded?

[fopguy <ma...@tr...>]

Hi everyone,

I was wondering if the "onMessage()" callbacks are multithreaded. 

The reason I'm asking is that I have certain shared variables that I need to
update, and I was wondering if I need to lock them.

Eg.

onMessage(FIX::executionReport& report) {
  sharedDataStructure.process() 
}


What if I get 2 execution reports from the server at the same time? Would I
have 2 threads running "onmessage" at the same time? If so, i need to lock
my shared data.

How does everyone else deal with this issue?

thanks

mark
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