src/compiler-rt/test/tsan/deflake.bash

   1 #!/usr/bin/env bash
   2 # This script is used to deflake inherently flaky tsan tests.
   3 # It is invoked from lit tests as:
   4 # %deflake mybinary
   5 # which is then substituted by lit to:
   6 # $(dirname %s)/deflake.bash mybinary
   7 # The script runs the target program up to 10 times,
   8 # until it fails (i.e. produces a race report).
   9
  10 for i in $(seq 1 10); do
  11         OUT=`$@ 2>&1`
  12         if [[ $? != 0 ]]; then
  13                 echo "$OUT"
  14                 exit 0
  15         fi
  16 done
  17 exit 1