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Backport #3853

Multiple IO problems when threading is used

Added by minad (Daniel Mendler) about 10 years ago. Updated about 1 year ago.

Status:
Closed
Priority:
Normal
Assignee:
-
[ruby-core:32487]

Description

=begin

  • File.read(path) sometimes returns empty string although file is not empty
  • File.read(path, File.size(path)) somtimes returns nil although file is not empty

It seems as if the file reached eof. This happens only when threading is used. There seems to be some kind of race condition.

Ruby version is 1.8.7-p302 (on x86_64-linux and x86-linux).
This problem doesn't exist on 1.9 (tested with 1.9.1p429).
=end

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