diff options
Diffstat (limited to '9ns/test/adv_bridge_interrupt.sh')
| -rwxr-xr-x | 9ns/test/adv_bridge_interrupt.sh | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/9ns/test/adv_bridge_interrupt.sh b/9ns/test/adv_bridge_interrupt.sh index e364143..ba76f78 100755 --- a/9ns/test/adv_bridge_interrupt.sh +++ b/9ns/test/adv_bridge_interrupt.sh @@ -118,18 +118,20 @@ expect_eq "never_flush/cache0: reader killed" "124" "$(field rc "$OUT")" fids_same "never_flush/cache0" bridge_fids_same "never_flush/cache0" -echo "# (b) a server that ignores Tflush too: the reader stays blocked, SIGTERM to 9ns still ends the session" -start_server never -timeout -s TERM 3 "$NS" --unix "$SOCK" --mount "$M" -- sh -c "timeout -s INT 1 cat $M/f; echo unreachable-rc=\$?" >"$TMP/never.out" 2>"$TMP/never.err" & -TPID=$! -sleep 4 -if kill -0 "$TPID" 2>/dev/null; then - fail "never: SIGTERM did not end 9ns while the reader was stuck"; kill -9 "$TPID" -else - pass "never: SIGTERM ends 9ns even though the server ignores the Tflush" -fi -wait "$TPID" 2>/dev/null -expect_eq "never: the reader never came back (server ignores Tflush)" "" "$(grep unreachable "$TMP/never.out")" +echo "# (b) a server that ignores Tflush too: the reader comes back after the flush grace, and the session is gone with it" +# `never` stops reading once the Tread hangs, so the Tflush is never even +# seen. The protocol says wait for the Rflush; a server that has not managed +# one in 3s (nine.Session.flush_grace_ms) is not going to, and the reader +# behind the interrupt is unkillable until we stop waiting. So the read fails +# EINTR after the grace, the session is wedged, and 9ns ends the mount: the +# next access answers ENOTCONN instead of parking another process forever. +run never "$(timed "timeout -s INT 1 cat $M/f"); cat $M/d/g 2>&1; echo after-rc=\$?" +no_crash "never/grace" +expect_eq "never/grace: reader killed by the signal (124)" "124" "$(field rc "$OUT")" +NEVER_MS=$(field ms "$OUT") +if [ "$NEVER_MS" -ge 3500 ] && [ "$NEVER_MS" -lt 9000 ]; then pass "never/grace: released after the 3s flush grace (${NEVER_MS}ms)"; else fail "never/grace: release time out of range" "ms=$NEVER_MS (expected 3500..9000)"; fi +expect_eq "never/grace: the mount is gone afterwards (not a hang)" "after-rc=1" "$(printf '%s\n' "$OUT" | grep '^after-rc=')" +expect_contains "never/grace: 9ns reports the closed session" "connection closed" "$STDERR" echo echo "passed=$PASSED failed=$FAILED" |