*
 * <pre>{@code
 * FluentFuture<UserName> userName =
 *     ClosingFuture.submit(
 *             closer -> closer.eventuallyClose(database.newTransaction(), closingExecutor),
 *             executor)
 *         .transformAsync((closer, transaction) -> transaction.queryClosingFuture("..."), executor)
 *         .transform((closer, result) -> result.get("userName"), directExecutor())

		c.waitForDone()
	}

	// Upon returning, notify the parent that we're done.
	defer func() {
		close(s.closeChan)
	}()

	var err error
	// Do reverse walk for cleanup.
	for i := len(s.closers) - 1; i >= 0; i-- {
		c := s.closers[i]

		if nocleanup {
			if cc, ok := c.(*closer); ok && cc.noskip {
				continue
			} else if !ok {
				continue
			}
		}

		name := "lambda"

            local.maybeStore(key, file);
        });
    }

    @Override
    public void close() throws IOException {
        if (!closed) {
            closed = true;
            Closer closer = Closer.create();
            closer.register(local);
            closer.register(remote);
            closer.close();
        }
    }

    @VisibleForTesting
    static class PackOperationExecutor {

	if err == nil {
		panic("nil error")
	}
	pc.broken = true
	if pc.closed == nil {
		pc.closed = err
		pc.t.decConnsPerHost(pc.cacheKey)
		// Close HTTP/1 (pc.alt == nil) connection.
		// HTTP/2 closes its connection itself.
		if pc.alt == nil {
			if err != errCallerOwnsConn {
				pc.conn.Close()
			}
			close(pc.closech)
		}
	}
	pc.mutateHeaderFunc = nil
}

        1 * backingCache.close()
        0 * _._
    }

    def "closes cache when closed"() {
        given:
        cacheOpened()

        when:
        cache.finishWork()

        then:
        1 * fileAccess.writeFile(!null) >> { Runnable action -> action.run() }
        1 * backingCache.close()
        0 * _._
    }

    //     we find them, regardless of what the address policies need.
    //
    //  2. EVICTABLE: Connections not required by any address policy. This matches connections that
    //     don't participate in any policy, plus connections whose policies won't be violated if the
    //     connection is closed. We only close these if the idle connection limit is exceeded.
    //

	if z.err != nil {
		return z.err
	}
	if z.closed {
		return nil
	}
	if !z.wroteHeader {
		z.Write(nil)
		if z.err != nil {
			return z.err
		}
	}
	z.err = z.compressor.Flush()
	return z.err
}

// Close closes the [Writer] by flushing any unwritten data to the underlying
// [io.Writer] and writing the GZIP footer.
// It does not close the underlying [io.Writer].

				continue
			}
		}
	}()

	return objs, nil
}

// Close and release resources.
func (w *metacacheWriter) Close() error {
	if w == nil || w.closer == nil {
		return nil
	}
	w.streamWg.Wait()
	err := w.closer()
	w.closer = nil
	return err
}

// Reset and start writing to new writer.
// Close must have been called before this.
func (w *metacacheWriter) Reset(out io.Writer) {

    val relay = edit(file, upstream, metadata, 1024)
    val source1 = relay.newSource()
    val source2 = relay.newSource()
    source1!!.close()
    source1.close() // Unnecessary. Shouldn't decrement the reference count.
    assertThat(relay.isClosed).isFalse()
    source2!!.close()
    assertThat(relay.isClosed).isTrue()
    assertFile(Relay.PREFIX_DIRTY, -1L, -1, null, null)
  }

  @Test
  fun racingReaders() {

	fd := open(&buf[0], _OWRITE, 0)
	if fd < 0 {
		return -1
	}
	len := findnull(&msg[0])
	if write1(uintptr(fd), unsafe.Pointer(&msg[0]), int32(len)) != int32(len) {
		closefd(fd)
		return -1
	}
	closefd(fd)
	return 0
}

//go:nosplit
func exit(e int32) {
	var status []byte
	if e == 0 {
		status = emptystatus
	} else {
		// build error string
		var tmp [32]byte