A problem with big delays between 2 SCDynamicStore state events
A problem with big delays between 2 SCDynamicStore state events
- Subject: A problem with big delays between 2 SCDynamicStore state events
- From: Stéphane Sudre <email@hidden>
- Date: Wed, 12 Sep 2018 15:58:46 +0000
- Thread-topic: A problem with big delays between 2 SCDynamicStore state events
I have a SCDynamicStore observer that is notified when the “state” of the
kSCEntNetIPv4 and kSCEntNetIPv6 entities change.
I’m doing some tests by turning the Wi-Fi Off and On through the Wi-Fi menu
extra.
Here’s the “problem” I’m seeing:
- The Wi-Fi is turned off.
- I turn it on.
On OS X 10.8.5:
- I get a first notification after which it’s not yet possible to retrieve the
network configuration (IP address, MAC Address, etc.)
- About 1 second later, I get a second notification and I’m able to retrieve
the network configuration.
On an unrelease macOS version:
- I get a first notification after which it’s not yet possible to retrieve the
network configuration (IP address, MAC Address, etc.)
- About 90 seconds later, I get a second notification and I’m able to retrieve
the network configuration.
So a delay which is 1 second on OS X 10.8.5 has now become a 90-second delay on
this unrelease macOS version (and it could be that this is also the case with
earlier releases of OS X/macOS but I haven’t had the opportunity to check yet).
Question:
Has there been some changes (other than a bug/regression) that could explain
the huge increase and that this is the expected behavior?
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