* Mongrel doesn't set close-on-exec on its listen socket
@ 2008-07-22 16:31 Jos Backus
[not found] ` <20080722163104.GA82787-/yjMewivvDbpLr52UxKYZsM6rOWSkUom@public.gmane.org>
0 siblings, 1 reply; 6+ messages in thread
From: Jos Backus @ 2008-07-22 16:31 UTC (permalink / raw)
To: mongrel-development; +Cc: puppet-dev
Mongrel, at least in 1.1.4, doesn't set the close-on-exec flag on the listen
socket. This leads to trouble in programs that use Mongrel and fork other
programs (like puppetmasterd, part of Puppet). For an example, see
http://groups.google.com/group/puppet-dev/browse_thread/thread/463f0f8cfc80cc43
Please consider applying something like the following patch:
--- lib/mongrel.rb.orig 2008-07-17 17:44:42.000000000 -0400
+++ lib/mongrel.rb 2008-07-17 17:44:53.000000000 -0400
@@ -92,7 +92,9 @@
tries = 0
@socket = TCPServer.new(host, port)
+ @socket.fcntl(Fcntl::F_SETFD, Fcntl::FD_CLOEXEC)
+
@classifier = URIClassifier.new
@host = host
@port = port
If somebody can show me what the Mongrel way of making this (POSIX)
platform-specific, that would be appreciated.
--
Jos Backus
jos at catnook.com
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^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: Mongrel doesn't set close-on-exec on its listen socket
[not found] ` <20080722163104.GA82787-/yjMewivvDbpLr52UxKYZsM6rOWSkUom@public.gmane.org>
@ 2008-08-18 21:59 ` Eric Wong
2008-08-19 3:08 ` [Mongrel-development] " Jos Backus
0 siblings, 1 reply; 6+ messages in thread
From: Eric Wong @ 2008-08-18 21:59 UTC (permalink / raw)
To: mongrel-development-GrnCvJ7WPxnNLxjTenLetw
Cc: puppet-dev-/JYPxA39Uh5TLH3MbocFFw
Jos Backus <jos-ER9Rz4keOotBDgjK7y7TUQ@public.gmane.org> wrote:
> Mongrel, at least in 1.1.4, doesn't set the close-on-exec flag on the listen
> socket. This leads to trouble in programs that use Mongrel and fork other
> programs (like puppetmasterd, part of Puppet). For an example, see
> http://groups.google.com/group/puppet-dev/browse_thread/thread/463f0f8cfc80cc43
>
> Please consider applying something like the following patch:
>
> --- lib/mongrel.rb.orig 2008-07-17 17:44:42.000000000 -0400
> +++ lib/mongrel.rb 2008-07-17 17:44:53.000000000 -0400
> @@ -92,7 +92,9 @@
>
> tries = 0
> @socket = TCPServer.new(host, port)
> + @socket.fcntl(Fcntl::F_SETFD, Fcntl::FD_CLOEXEC)
> +
> @classifier = URIClassifier.new
> @host = host
> @port = port
>
> If somebody can show me what the Mongrel way of making this (POSIX)
> platform-specific, that would be appreciated.
This probably works:
diff --git a/lib/mongrel.rb b/lib/mongrel.rb
index 8b5dfe2..027bfdb 100644
--- a/lib/mongrel.rb
+++ b/lib/mongrel.rb
@@ -91,6 +91,9 @@ module Mongrel
tries = 0
@socket = TCPServer.new(host, port)
+ if defined?(Fcntl::FD_CLOEXEC)
+ @socket.fcntl(Fcntl::F_SETFD, Fcntl::FD_CLOEXEC)
+ end
@classifier = URIClassifier.new
@host = host
--
Eric Wong
^ permalink raw reply related [flat|nested] 6+ messages in thread
* Re: [Mongrel-development] Mongrel doesn't set close-on-exec on its listen socket
2008-08-18 21:59 ` Eric Wong
@ 2008-08-19 3:08 ` Jos Backus
[not found] ` <20080819030844.GA53303-/yjMewivvDbpLr52UxKYZsM6rOWSkUom@public.gmane.org>
0 siblings, 1 reply; 6+ messages in thread
From: Jos Backus @ 2008-08-19 3:08 UTC (permalink / raw)
To: mongrel-development, puppet-dev
On Mon, Aug 18, 2008 at 02:59:21PM -0700, Eric Wong wrote:
> This probably works:
>
> diff --git a/lib/mongrel.rb b/lib/mongrel.rb
> index 8b5dfe2..027bfdb 100644
> --- a/lib/mongrel.rb
> +++ b/lib/mongrel.rb
> @@ -91,6 +91,9 @@ module Mongrel
>
> tries = 0
> @socket = TCPServer.new(host, port)
> + if defined?(Fcntl::FD_CLOEXEC)
> + @socket.fcntl(Fcntl::F_SETFD, Fcntl::FD_CLOEXEC)
> + end
>
> @classifier = URIClassifier.new
> @host = host
Looks reasonable to me. Thanks, Eric. Can somebody commit, please?
--
Jos Backus
jos at catnook.com
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^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: Mongrel doesn't set close-on-exec on its listen socket
[not found] ` <20080819030844.GA53303-/yjMewivvDbpLr52UxKYZsM6rOWSkUom@public.gmane.org>
@ 2008-08-20 8:27 ` Eric Wong
[not found] ` <20080820082737.GA2403-G9TX8C5UF5wdbCeoMzGj59i2O/JbrIOy@public.gmane.org>
0 siblings, 1 reply; 6+ messages in thread
From: Eric Wong @ 2008-08-20 8:27 UTC (permalink / raw)
To: mongrel-development-GrnCvJ7WPxnNLxjTenLetw
Jos Backus <jos-ER9Rz4keOotBDgjK7y7TUQ@public.gmane.org> wrote:
> On Mon, Aug 18, 2008 at 02:59:21PM -0700, Eric Wong wrote:
> > This probably works:
> >
> > diff --git a/lib/mongrel.rb b/lib/mongrel.rb
> > index 8b5dfe2..027bfdb 100644
> > --- a/lib/mongrel.rb
> > +++ b/lib/mongrel.rb
> > @@ -91,6 +91,9 @@ module Mongrel
> >
> > tries = 0
> > @socket = TCPServer.new(host, port)
> > + if defined?(Fcntl::FD_CLOEXEC)
> > + @socket.fcntl(Fcntl::F_SETFD, Fcntl::FD_CLOEXEC)
> > + end
> >
> > @classifier = URIClassifier.new
> > @host = host
>
> Looks reasonable to me. Thanks, Eric. Can somebody commit, please?
I've just committed it, r1036 to trunk. Thanks for the report!
--
Eric Wong
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: Mongrel doesn't set close-on-exec on its listen socket
[not found] ` <20080820082737.GA2403-G9TX8C5UF5wdbCeoMzGj59i2O/JbrIOy@public.gmane.org>
@ 2008-11-04 20:41 ` Jos Backus
[not found] ` <20081104204159.GA48584-/yjMewivvDbpLr52UxKYZsM6rOWSkUom@public.gmane.org>
0 siblings, 1 reply; 6+ messages in thread
From: Jos Backus @ 2008-11-04 20:41 UTC (permalink / raw)
To: mongrel-development-GrnCvJ7WPxnNLxjTenLetw
On Wed, Aug 20, 2008 at 01:27:37AM -0700, Eric Wong wrote:
> Jos Backus <jos-ER9Rz4keOotBDgjK7y7TUQ@public.gmane.org> wrote:
> > On Mon, Aug 18, 2008 at 02:59:21PM -0700, Eric Wong wrote:
> > > This probably works:
> > >
> > > diff --git a/lib/mongrel.rb b/lib/mongrel.rb
> > > index 8b5dfe2..027bfdb 100644
> > > --- a/lib/mongrel.rb
> > > +++ b/lib/mongrel.rb
> > > @@ -91,6 +91,9 @@ module Mongrel
> > >
> > > tries = 0
> > > @socket = TCPServer.new(host, port)
> > > + if defined?(Fcntl::FD_CLOEXEC)
> > > + @socket.fcntl(Fcntl::F_SETFD, Fcntl::FD_CLOEXEC)
> > > + end
> > >
> > > @classifier = URIClassifier.new
> > > @host = host
> >
> > Looks reasonable to me. Thanks, Eric. Can somebody commit, please?
>
> I've just committed it, r1036 to trunk. Thanks for the report!
Thanks Eric. The patch is probably incomplete, as I just noticed a problem:
/usr/lib/ruby/gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel.rb:94:in
`initialize': uninitialized constant Mongrel::HttpServer::Fcntl (NameError)
That code doesn't have the defined? test. But even if it did, it wouldn't work
as `fcntl' hadn't been require'd so the Fcntl::FD_CLOEXEC constant couldn't be
available until it was (if it was available).
So the right thing to do is to also apply this patch which explicitly
require's `fcntl':
--- mongrel.rb- 2008-11-04 15:39:01.000000000 -0500
+++ mongrel.rb 2008-11-04 15:26:38.000000000 -0500
@@ -7,6 +7,7 @@
require 'etc'
require 'uri'
require 'stringio'
+require 'fcntl'
# Compiled Mongrel extension
require 'http11'
--
Jos Backus
jos at catnook.com
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: Mongrel doesn't set close-on-exec on its listen socket
[not found] ` <20081104204159.GA48584-/yjMewivvDbpLr52UxKYZsM6rOWSkUom@public.gmane.org>
@ 2008-11-08 2:15 ` Eric Wong
0 siblings, 0 replies; 6+ messages in thread
From: Eric Wong @ 2008-11-08 2:15 UTC (permalink / raw)
To: mongrel-development-GrnCvJ7WPxnNLxjTenLetw
Jos Backus <jos-ER9Rz4keOotBDgjK7y7TUQ@public.gmane.org> wrote:
> On Wed, Aug 20, 2008 at 01:27:37AM -0700, Eric Wong wrote:
> > Jos Backus <jos-ER9Rz4keOotBDgjK7y7TUQ@public.gmane.org> wrote:
> > > On Mon, Aug 18, 2008 at 02:59:21PM -0700, Eric Wong wrote:
> > > > This probably works:
> > >
> > > Looks reasonable to me. Thanks, Eric. Can somebody commit, please?
> >
> > I've just committed it, r1036 to trunk. Thanks for the report!
>
> Thanks Eric. The patch is probably incomplete, as I just noticed a problem:
>
> /usr/lib/ruby/gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel.rb:94:in
> `initialize': uninitialized constant Mongrel::HttpServer::Fcntl (NameError)
>
> That code doesn't have the defined? test. But even if it did, it wouldn't work
> as `fcntl' hadn't been require'd so the Fcntl::FD_CLOEXEC constant couldn't be
> available until it was (if it was available).
>
> So the right thing to do is to also apply this patch which explicitly
> require's `fcntl':
Applied, thanks!
--
Eric Wong
^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2008-11-08 3:19 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
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2008-07-22 16:31 Mongrel doesn't set close-on-exec on its listen socket Jos Backus
[not found] ` <20080722163104.GA82787-/yjMewivvDbpLr52UxKYZsM6rOWSkUom@public.gmane.org>
2008-08-18 21:59 ` Eric Wong
2008-08-19 3:08 ` [Mongrel-development] " Jos Backus
[not found] ` <20080819030844.GA53303-/yjMewivvDbpLr52UxKYZsM6rOWSkUom@public.gmane.org>
2008-08-20 8:27 ` Eric Wong
[not found] ` <20080820082737.GA2403-G9TX8C5UF5wdbCeoMzGj59i2O/JbrIOy@public.gmane.org>
2008-11-04 20:41 ` Jos Backus
[not found] ` <20081104204159.GA48584-/yjMewivvDbpLr52UxKYZsM6rOWSkUom@public.gmane.org>
2008-11-08 2:15 ` Eric Wong
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