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Hmm...that is not really what I meant. I was simply attempting to steer the OP away from using Sleep() without adjusting for use in the tester by providing additional information via the links.
There is nothing wrong with using Sleep . . as long as it is used in the way it was intended. It wasn't meant to be used for timing events . . .
I agree. There is nothing wrong with using Sleep(); in fact, I use it in the EA that I'm developing. While I can't speak as to its intended use (as I'm still new to MQL and MT4, I don't have the broad range of knowledge of MQL and MT4, so I will defer to those who have such knowledge...maybe one day I'll catch up to ya :) ), I also agree that using Sleep() for timing events, such as waiting for a particular bid/ask prices or some calculation based on bid/ask prices (especially when used in a while loop), creates issues in the tester which may not be present outside of the tester. As I look back to the OP's code, the OP does not appear to be using Sleep() for a timing event, but rather for a mechanism to determine when a particular state has been reached (IsTradeContextBusy() == false). So it appears my original warning regarding the use of Sleep() was unfounded. In this context then, why would there be a need for other mutex routines? Doesn't IsTradeContextBusy() provide an adequate mutex, similar to what the OP was attempting to provide in his/her code?
Thirteen:
In this context then, why would there be a need for other mutex routines? Doesn't IsTradeContextBusy() provide an adequate mutex, similar to what the OP was attempting to provide in his/her code?Well, to be honest, I have read the posts (here and here) regarding a mutex, but I don't fully understand them yet (but I will continue to review the concept and the code). Please forgive some of my ignorance; I'm still learning. :)
Simple concept. If you want to use the toilet and someone else is currently sitting on it, you wait outside the door for them to come out.
Remember you need to put the mutex around server calls (send, modify, and close) and RefreshRates() if there was a delay. See my code
WHRoeder:
LOL!! Thanks for the analogy. Yes, a simple concept (semaphores and mutual exclusion), but with so many gradations of complexity.
WHRoeder:
LOL!! Thanks for the analogy. Yes, a simple concept (semaphores and mutual exclusion), but with so many gradations of complexity.