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errno == EMSGSIZE with recvmsg() on a UNIX Domain Socket
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errno == EMSGSIZE with recvmsg() on a UNIX Domain Socket


  • Subject: errno == EMSGSIZE with recvmsg() on a UNIX Domain Socket
  • From: Dan Duong <email@hidden>
  • Date: Wed, 12 Oct 2011 18:29:05 -0700

I hit a place in my code where recvmsg() fails with errno == EMSGSIZE.  According to the docs, it seems this is only the case if msg.ioveclen <= 0 or > MAX_IOVEC.  Are there any other cases where this can occur? As far as I can tell, I am always setting ioveclen = 1.

Thanks,
Dan
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