chmod() on AF_UNIX sockets broken

[Jason Tishler <jason at tishler dot net>]

While tracking down a PostgreSQL problem, I uncovered that chmod()
appears to have no affect on AF_UNIX sockets on recent Cygwin versions.

The attached test case, afunix.cc, demonstrates the problem:

    $ # Cygwin 1.3.22-1
    $ afunix
    $ ls -l /tmp/.afunix 
    srwx------    1 jt       Domain U        0 Mar 19 15:57 /tmp/.afunix

    $ # Red Hat Linux 8.0
    $ afunix
    $ ls -l /tmp/.afunix 
    srwxrwxrwx    1 jt       dev             0 Mar 19 17:13 /tmp/.afunix

    $ # Cygwin 1.3.18-1
    $ afunix
    $ ls -l /tmp/.afunix 
    srwxrwxrwx    1 jt       Domain U        0 Mar 19 17:13 /tmp/.afunix

Jason

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Attachment: afunix.cc
Description: Text document

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