cvs commit: src/usr.bin/lock lock.c

Colin Percival cperciva at FreeBSD.org
Wed Jan 21 20:24:17 PST 2004


cperciva    2004/01/21 20:24:15 PST

  FreeBSD src repository

  Modified files:
    usr.bin/lock         lock.c 
  Log:
  Two fixes here:
  1. If fgets fails, don't go into an infinite cpu-intensive loop.  Instead,
  check to see if the terminal still exists, and sleep(1) otherwise.
  2. When we check to see if the terminal still exists, make sure we're not
  mislead by EINTR.  This could have been a security issue, but fortunately
  the current implementation of tcgetattr doesn't EINTR.
  
  PR: bin/60758
  Approved by: rwatson (mentor)
  
  Revision  Changes    Path
  1.18      +4 -2      src/usr.bin/lock/lock.c


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