IO.pipe can crash JRuby
-----------------------
Key: JRUBY-4413
URL: http://jira.codehaus.org/browse/JRUBY-4413
Project: JRuby
Issue Type: Bug
Reporter: Vladimir Sizikov
Assignee: Thomas E Enebo
{noformat}
# jruby -e "a=[]; loop {a << IO.pipe}"
PipeImpl.java:106:in `run': java.io.IOException: Unable to establish loopback
connection
from AccessController.java:-2:in `doPrivileged'
from PipeImpl.java:122:in `<init>'
from SelectorProviderImpl.java:27:in `openPipe'
from Pipe.java:133:in `open'
from RubyIO.java:3495:in `pipe'
from org/jruby/RubyIO$s_method_0_0$RUBYINVOKER$pipe.gen:-1:in `call'
from CachingCallSite.java:106:in `call'
from -e:1:in `block_0$RUBY$__block__'
from null:-1:in `call'
from CompiledBlock.java:105:in `yield'
from Block.java:194:in `yield'
from RubyKernel.java:1181:in `loop_1_9'
from
org/jruby/RubyKernel$s_method_0_0$RUBYFRAMEDINVOKER$loop_1_9.gen:-1:in `call'
from CachingCallSite.java:299:in `cacheAndCall'
from CachingCallSite.java:117:in `callBlock'
from CachingCallSite.java:132:in `callIter'
from -e:1:in `__file__'
from -e:-1:in `load'
from Ruby.java:631:in `runScript'
from Ruby.java:549:in `runNormally'
from Ruby.java:395:in `runFromMain'
from Main.java:272:in `run'
from Main.java:117:in `run'
from Main.java:97:in `main'
Caused by:
Net.java:-2:in `connect': java.net.SocketException: No buffer space available
(maximum connections reached?): connect
{noformat}
MRI does:
{noformat}
ruby -e "a=[]; loop {a << IO.pipe}"
-e:1:in `pipe': Too many open files (Errno::EMFILE)
{noformat}
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