story: In April 2014, two former U.S. soldiers and other military personnel allegedly opened fire on a Blackwater security contractor in Baghdad, Oklahoma, during a training exercise. The incident was captured on video. In August, Blackwater released the footageQ:
  
  How to stop multiple threads from writing to the same file without using mutex in c++
  
  How can I stop multiple threads from writing to the same file (while read from the same file) and have them write to
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