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syscall: fd passing fails on OpenBSD #3349

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bradfitz opened this issue Mar 19, 2012 · 9 comments
Closed

syscall: fd passing fails on OpenBSD #3349

bradfitz opened this issue Mar 19, 2012 · 9 comments

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@bradfitz
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@bradfitz bradfitz commented Mar 19, 2012

This test fails on OpenBSD:

http://code.google.com/p/go/source/detail?r=160ec5506cb7740be6702e5996fa05059578c4a5

The test is now removed from the tree, so:

$ hg update -C 160ec5506cb
and then edit src/pkg/syscall/passfd_test.go to change "probablyopenbsd" to
"openbsd", then watch it fail, unable to find the inherited UnixConn in the
child process.
@rsc
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@rsc rsc commented Sep 12, 2012

Comment 1:

Status changed to Accepted.

@rsc
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@rsc rsc commented Sep 12, 2012

Comment 2:

Labels changed: added go1.1.

@rsc
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@rsc rsc commented Dec 10, 2012

Comment 3:

Labels changed: added size-m.

@rsc
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@rsc rsc commented Dec 10, 2012

Comment 4:

Labels changed: added suggested.

@gopherbot
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@gopherbot gopherbot commented Feb 18, 2013

Comment 5 by guelfey:

After looking into this issue, I found out that it is apparently due to the getsockname
implementation on OpenBSD. While the manpage states that obtaining the address is not
supported for Unix sockets, the address family doesn't seem to be set either if the
socket is not bound (see the attached example). This means that net.FileConn doesn't
recognize it as a Unix socket.

Attachments:

  1. getsockname_test.c (552 bytes)
@alberts
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@alberts alberts commented Feb 18, 2013

Comment 6:

any chance OpenBSD has SO_DOMAIN support for getsockopt?
@gopherbot
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@gopherbot gopherbot commented Feb 18, 2013

Comment 7 by guelfey:

nope
@mdempsky
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@mdempsky mdempsky commented Feb 27, 2013

Comment 8:

@guelfey: That bug was fixed last October
(http://www.openbsd.org/cgi-bin/cvsweb/src/sys/kern/uipc_usrreq.c#rev1.69), and will be
included in the upcoming 5.3 release.  If I run your test program on a recent snapshot
release, the output is "got 1 expected 1".
@davecheney
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@davecheney davecheney commented Feb 27, 2013

Comment 9:

This issue was closed by revision f853e9a.

Status changed to Fixed.

@rsc rsc added this to the Go1.1 milestone Apr 14, 2015
@rsc rsc removed the go1.1 label Apr 14, 2015
@golang golang locked and limited conversation to collaborators Jun 24, 2016
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