SMJobBless error when Helper is already installed and running

Question

gmorin OP

Created Nov ’21

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The documentaion states that SMJobBless returns success if the service is already installed.

However, if it's installed and running, SMJobBless fails and returns a code 2 (kSMErrorInternalFailure).

I managed to evade the problem by forcing the helper to quit whenever a connection is invalidated or interrupted by stopping the main runloop. It's acceptable since in our case there shouldn't be two clients accessing the helper at the same time, but I still feel there's something wrong when calling SMJobBless and I can't put my finger on it...

Any advice on what could go wrong and what I could try to find more about it?

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Answer 1

DTS Engineer OP

Apple

Nov ’21

What problem are you trying to solve here? I never hit the issue you’ve described because I always start by trying to open a connection to the helper. I only fall into the SMJobBless path if that connection fails.

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