diff options
| -rwxr-xr-x | tests/dd/reblock | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/tests/dd/reblock b/tests/dd/reblock index 542529a71..ef9e03613 100755 --- a/tests/dd/reblock +++ b/tests/dd/reblock @@ -44,7 +44,10 @@ sed 's/,.*//' err > k && mv k err compare err exp-reblock || fail=1 # Demonstrate that bs=N supersedes even following ibs= and obs= settings. -(echo x; sleep .1; echo y) | dd bs=3 ibs=1 obs=1 > out 2> err || fail=1 +# Choosing a delay of 0.1 would result in an occasional lost race where +# the consumer's first read would consume 3 bytes rather than the expected 2. +# Not wanting to sleep a full second, I'll raise that to 0.3. +(printf ab; sleep .3; printf cd) | dd bs=3 ibs=1 obs=1 > out 2> err || fail=1 sed 's/,.*//' err > k && mv k err compare err exp-no-reblock || fail=1 |