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Why would CFSocketSendData fail with EPERM?
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Why would CFSocketSendData fail with EPERM?

  • Subject: Why would CFSocketSendData fail with EPERM?
  • From: Dave Camp <email@hidden>
  • Date: Thu, 11 Mar 2004 15:03:37 -0800
I've got two processes communicating with a Unix domain socket via CFSocket. It usually works, but every once in a while the server gets an error on the first call to CFSocketSendData. Checking errno at that point shows a EPERM error.

The path in /tmp looks like:

srwxrwxrwx 1 lp wheel 0 11 Mar 14:57 MySocket_GtILuVAU

(Yes, the user and group are really lp and wheel, the two apps in question are a CUPS printer driver and a CUPS backend).

Any thoughts on why this happens sometimes but not others?

Thanks,
Dave

---
It is dark; you are likely to be eaten by a grue. -Zork
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