}

    @Override
    public void close() {
        if (closed) {
            // Already closed.
            return;
        }
        closed = true;
        for (Loader value : loaders.values()) {
            IoActions.closeQuietly(value);
        }
    }

    private void ensureOpened() {
        if (closed) {

        thrown(IllegalStateException)
    }

    def "can close a lock multiple times"() {
        given:
        def lock = createLock(Exclusive)
        lock.close()

        expect:
        lock.close()
    }

    def "cannot read from file after lock has been closed"() {
        given:
        def lock = createLock(Exclusive)
        lock.close()

        when:
        lock.readFile({} as Supplier)

	}

	// Delete the event from store.
	return target.store.Del(key.Name)
}

// Close - closes underneath connections to PostgreSQL database.
func (target *PostgreSQLTarget) Close() error {
	close(target.quitCh)
	if target.updateStmt != nil {
		// FIXME: log returned error. ignore time being.
		_ = target.updateStmt.Close()
	}

	if target.deleteStmt != nil {
		// FIXME: log returned error. ignore time being.

// If the File was created using NewFile directly instead of Open,
// Close has no effect.
func (f *File) Close() error {
	var err error
	if f.closer != nil {
		err = f.closer.Close()
		f.closer = nil
	}
	return err
}

// Section returns the first section with the given name, or nil if no such
// section exists.
// Xcoff have section's name limited to 8 bytes. Some sections like .gosymtab

  }

  @Throws(IOException::class)
  fun flush() {
    this.withLock {
      if (closed) throw IOException("closed")
      sink.flush()
    }
  }

  @Throws(IOException::class)
  fun rstStream(
    streamId: Int,
    errorCode: ErrorCode,
  ) {
    this.withLock {
      if (closed) throw IOException("closed")
      require(errorCode.httpCode != -1)

      frameHeader(

			t.Fatal(err)
		}
		defer c.Close()
		fmt.Fprintln(c, "some bogus crap")
	}))

	closes := 0
	res, err := cst.c.Post(cst.ts.URL, "text/plain", countCloseReader{&closes, strings.NewReader("hello")})
	if err == nil {
		res.Body.Close()
		t.Fatal("expected an error to be returned from Post")
	}
	if closes != 1 {
		t.Errorf("closes = %d; want 1", closes)
	}
}

            @Throws(IOException::class)
            override fun close() {
              closed.set(true)
              super.close()
            }
          }.buffer()
        }
      }
    body.charStream().close()
    assertThat(closed.get()).isTrue()
  }

  @Test
  fun readerClosedAfterBomClosesUnderlyingSource() {
    val closed = AtomicBoolean()
    val body: ResponseBody =

	if c == nil {
		panic(plainError("close of nil channel"))
	}

	lock(&c.lock)
	if c.closed != 0 {
		unlock(&c.lock)
		panic(plainError("close of closed channel"))
	}

	if raceenabled {
		callerpc := getcallerpc()
		racewritepc(c.raceaddr(), callerpc, abi.FuncPCABIInternal(closechan))
		racerelease(c.raceaddr())
	}

	c.closed = 1

	var glist gList

	mu         sync.Mutex // guards following, and calls to Read and Close
	sawEOF     bool
	closed     bool
	earlyClose bool   // Close called and we didn't read to the end of src
	onHitEOF   func() // if non-nil, func to call when EOF is Read
}

// ErrBodyReadAfterClose is returned when reading a [Request] or [Response]
// Body after the body has been closed. This typically happens when the body is

                private Boolean closed = false

                void setColor(String color) {
                    assert !closed
                    println('(' + color + ')')
                }

                @Override
                void close() {
                    println '(closed)'
                    closed = true
                }
            }