"Sandbox: document SIGUSR2 + bundler issue with 2.0.0"

* Re: Ruby 2.0 Bad file descriptor (Errno::EBADF)
  @ 2013-09-04 19:29  7%         ` Eric Wong
  0 siblings, 0 replies; 1+ results
From: Eric Wong @ 2013-09-04 19:29 UTC (permalink / raw)
  To: unicorn list

Eric Chapweske <eac@zendesk.com> wrote:
> We ran into the same issue. For us, it was because we were executing the 
> process using bundle exec.  Bundler doesn't preserve the 1.9 behavior around
> FD inheritance. https://github.com/bundler/bundler/issues/2628

Thanks Eric!  I just pushed out the following and updated the website.

Subject: [PATCH] Sandbox: document SIGUSR2 + bundler issue with 2.0.0

Thanks to Eric Chapweske for the heads up.

ref: http://mid.gmane.org/loom.20130904T205308-432@post.gmane.org
---
 Sandbox | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Sandbox b/Sandbox
index 1df149b..3c7f226 100644
--- a/Sandbox
+++ b/Sandbox
@@ -60,6 +60,13 @@ If you're using an older Bundler version (0.9.x), you may need to set or
 reset GEM_HOME, GEM_PATH and PATH environment variables in the
 before_exec hook as illustrated by http://gist.github.com/534668
 
+=== Ruby 2.0.0 close-on-exec and SIGUSR2 incompatibility
+
+Ruby 2.0.0 enforces FD_CLOEXEC on file descriptors by default.  unicorn
+has been prepared for this behavior since unicorn 4.1.0, but we forgot
+to remind the Bundler developers.  This issue is being tracked here:
+https://github.com/bundler/bundler/issues/2628
+
 == Isolate
 
 === Running
-- 
Eric Wong
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