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Module: Timeout::Sync

Do not use. This module is for internal use only.
Relationships & Source Files
Defined in: lib/timeout.rb

Class Method Summary

  • .synchronize(mutex, &block)

    Calls mutex.synchronize(&block) but if that fails on CRuby due to being in a trap handler, run mutex.synchronize(&block) in a separate Thread instead.

Class Method Details

.synchronize(mutex, &block)

Calls mutex.synchronize(&block) but if that fails on CRuby due to being in a trap handler, run mutex.synchronize(&block) in a separate Thread instead.

[ GitHub ] 

  


# File 'lib/timeout.rb', line 188



def self.synchronize(mutex, &block)
  begin
    mutex.synchronize(&block)
  rescue ThreadError => e
    raise e unless e.message == "can't be called from trap context"
    # Workaround CRuby issue https://bugs.ruby-lang.org/issues/19473
    # which raises on Mutex#synchronize in trap handler.
    # It's expensive to create a Thread just for this,
    # but better than failing.
    Thread.new {
      mutex.synchronize(&block)
    }.join
  end
end