/**
     * Circuit breaker states
     */
    public enum State {
        CLOSED, // Normal operation
        OPEN, // Failing, requests blocked
        HALF_OPEN // Testing recovery
    }

    private final String name;
    private final AtomicReference<State> state = new AtomicReference<>(State.CLOSED);

     */
    int DEFAULT_CONN_TIMEOUT = 35000;

    /**
     * No flags set in SMB header.
     */
    int FLAGS_NONE = 0x00;
    /**
     * Obsolete lock and read/write and unlock flag.
     */
    int FLAGS_LOCK_AND_READ_WRITE_AND_UNLOCK = 0x01;
    /**
     * Receive buffer has been posted flag.
     */
    int FLAGS_RECEIVE_BUFFER_POSTED = 0x02;
    /**

+  {
     while (*ep != NULL)
       if (!strncmp (*ep, name, len) && (*ep)[len] == '=')
 	{
@@ -332,6 +333,7 @@ unsetenv (const char *name)
 	}
       else
 	++ep;
+  }
 
   UNLOCK;
 
diff --git a/support/Makefile b/support/Makefile
index a253698..2f4e2a9 100644
--- a/support/Makefile
+++ b/support/Makefile
@@ -167,13 +167,6 @@ CFLAGS-support_paths.c = \
 		-DINSTDIR_PATH=\"$(prefix)\" \

        analyzerSettings.setReadingAnalyzer("kuromoji_reading");
        analyzerSettings.setNormalizeAnalyzer("keyword");
    })
    .badWordSettings(badWordSettings -> {
        badWordSettings.setList(new String[]{"blocked", "terms"});
    })
    .elevateWordSettings(elevateWordSettings -> {
        elevateWordSettings.setElevateWords(Collections.singletonList(
            new ElevateWord("priority", 2.0f, Collections.emptyList())

  static void awaitWaiting(Thread t) {
    while (true) {
      Thread.State state = t.getState();
      switch (state) {
        case RUNNABLE:
        case BLOCKED:
          Thread.yield();
          break;
        case WAITING:
          return;
        default:
          throw new AssertionError("unexpected state: " + state);
      }
    }
  }

        void testExclusiveLockFlag() {
            assertEquals(0x2, Smb2Lock.SMB2_LOCKFLAG_EXCLUSIVE_LOCK);
        }

        @Test
        @DisplayName("Should have correct unlock flag value")
        void testUnlockFlag() {
            assertEquals(0x4, Smb2Lock.SMB2_LOCKFLAG_UNLOCK);
        }

        @Test
        @DisplayName("Should have correct fail immediately flag value")

    /** LM compatibility level */
    int LM_COMPATIBILITY = Config.getInt("jcifs.smb1.smb.lmCompatibility", 3);

    /** No flags set */
    int FLAGS_NONE = 0x00;
    /** Lock and read write and unlock flag */
    int FLAGS_LOCK_AND_READ_WRITE_AND_UNLOCK = 0x01;
    /** Receive buffer posted flag */
    int FLAGS_RECEIVE_BUFFER_POSTED = 0x02;
    /** Path names are caseless flag */
    int FLAGS_PATH_NAMES_CASELESS = 0x08;

          pred = curr;
        } else if (pred != null) { // We are unlinking this node and it has a predecessor.
          pred.next = succ;
          if (pred.thread == null) { // We raced with another node that unlinked pred. Restart.
            continue restart;
          }
        } else if (!casWaiters(curr, succ)) { // We are unlinking head
          continue restart; // We raced with an add or complete
        }

          pred = curr;
        } else if (pred != null) { // We are unlinking this node and it has a predecessor.
          pred.next = succ;
          if (pred.thread == null) { // We raced with another node that unlinked pred. Restart.
            continue restart;
          }
        } else if (!casWaiters(curr, succ)) { // We are unlinking head
          continue restart; // We raced with an add or complete
        }

				}
				p.readers[i] = nil

				// Since ReadAt returned error, trigger another read.
				readTriggerCh <- true
				return
			}
			newBufLK.Lock()
			newBuf[bufIdx] = p.buf[bufIdx][:n]
			newBufLK.Unlock()
			// Since ReadAt returned success, there is no need to trigger another read.
			readTriggerCh <- false
		}(readerIndex)
		readerIndex++
	}
	wg.Wait()
	if p.canDecode(newBuf) {
		p.offset += p.shardSize