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https://issues.apache.org/jira/browse/THRIFT-4065?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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James E. King, III resolved THRIFT-4065.
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Resolution: Fixed
Fix Version/s: 0.11.0
Tested this in a couple different scenarios and it allows the handler's forked
children to use SIGCHLD to fork if they need to.
> Document Perl ForkingServer signal restriction imposed by THRIFT-3848 and
> remove unnecessary code
> -------------------------------------------------------------------------------------------------
>
> Key: THRIFT-4065
> URL: https://issues.apache.org/jira/browse/THRIFT-4065
> Project: Thrift
> Issue Type: Bug
> Components: Perl - Library
> Affects Versions: 0.10.0
> Environment: Ubuntu 14.04 LTS, Perl 5.18
> Reporter: James E. King, III
> Assignee: James E. King, III
> Fix For: 0.11.0
>
>
> The Perl ForkingServer sets SIGCHLD to be ignores so that the forks can be
> automatically reaped, since the ForkingServer doesn't care about the child
> exit code.
> The fix for THRIFT-3848 was incomplete. It needs to reset the signal handler
> in the child to use a default SIGCHLD handler so any thrift handler
> implementation relying on SIGCHLD will execute properly.
> Also due to the fact that SIGCHLD is ignored in ForkingServer, the
> _collectChildren and call to waitpid() are unnecessary and can be removed,
> along with the children hash, from _parent().
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