Process.waitpid garbles exitstatus
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Key: JRUBY-5886
URL: https://jira.codehaus.org/browse/JRUBY-5886
Project: JRuby
Issue Type: Bug
Components: Interpreter
Affects Versions: JRuby 1.6.2, JRuby 1.7
Environment: Linux host 2.6.32-5-openvz-amd64 #1 SMP Wed May 18
23:53:57 UTC 2011 x86_64 GNU/Linux
Debian squeeze
OpenJDK Runtime Environment (IcedTea6 1.8.7) (6b18-1.8.7-2~squeeze1)
OpenJDK 64-Bit Server VM (build 14.0-b16, mixed mode)
Reporter: Christian Hofstädtler
Attachments: test_waitpid.rb
Running programs with Process.spawn and then subsequently waiting for them with
Process.waitpid garbles $?.exitstatus.
The demo program attached shows that the exitstatus is somehow random. When
using "sleep", as in the demo program, this should always be 0.
Also, I'm seeing ECHILD errors when the subprocess finishes before waitpid is
called, probably because the child is reaped too early/automatically?
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