diff options
| -rwxr-xr-x | tests/tail-2/infloop-1 | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/tests/tail-2/infloop-1 b/tests/tail-2/infloop-1 index 6a456deac..72d51d975 100755 --- a/tests/tail-2/infloop-1 +++ b/tests/tail-2/infloop-1 @@ -27,16 +27,22 @@ yes > t & yes_pid=$! while :; do test -s t && break + sleep .1 done tail -n 1 t & tail_pid=$! kill $yes_pid # This test is racy, and can fail under unusual circumstances. -# On a busy system, "yes" will fail to write -# (and hence fail to be killed by SIGPIPE) in that 1-second interval. +# On a very busy system, tail will fail to notice that $yes_pid is gone. # Then the following kill will succeed and cause this test to fail. -sleep 1 + +# Wait for up to 3 seconds for tail to detect the death of $yes_pid. +for i in $(seq 30); do + kill -0 $tail_pid || break + echo sleep 0.1s + sleep .1 +done fail=0 kill $tail_pid && fail=1 || : |