while (!rdmaConnection.canSend() && System.currentTimeMillis() < deadline) {
            try {
                Thread.sleep(10);
            } catch (InterruptedException e) {
                Thread.currentThread().interrupt();
                throw new IOException("Interrupted waiting for send credit", e);
            }
        }
        
        if (!rdmaConnection.canSend()) {

    /**
     * Check if connection can send data (has send credits and is established)
     *
     * @return true if can send, false otherwise
     */
    public boolean canSend() {
        return sendCredits.get() > 0 && state == RdmaConnectionState.ESTABLISHED;
    }

    /**
     * Consume a send credit
     */
    public void consumeSendCredit() {

            // Given
            when(mockResource.canRead()).thenReturn(true);
            when(mockResource.canWrite()).thenReturn(false);

            // When
            boolean canRead = mockResource.canRead();
            boolean canWrite = mockResource.canWrite();

            // Then
            assertTrue(canRead, "Should be readable");
            assertFalse(canWrite, "Should not be writable");

        assertNotNull(tempFile);
        assertTrue(tempFile.exists());

        // Verify file permissions (readable and writable by owner)
        assertTrue(tempFile.canRead());
        assertTrue(tempFile.canWrite());

        // Clean up
        tempFile.delete();
    }

    public void test_createResponseBodyFile_exceptionOnRead() {

        final File tmpDir = Curl.tmpDir;

        // ## Assert ##
        assertNotNull(tmpDir);
        assertTrue(tmpDir.exists());
        assertTrue(tmpDir.isDirectory());
        assertTrue(tmpDir.canRead());
        assertTrue(tmpDir.canWrite());
        assertEquals(new File(System.getProperty("java.io.tmpdir")).getAbsolutePath(), tmpDir.getAbsolutePath());
    }

    @Test

                        responseData.addMetaData(entry.getKey(), entry.getValue());
                    }
                }

                if (file.canRead()) {
                    final MimeTypeHelper mimeTypeHelper = crawlerContainer.getComponent("mimeTypeHelper");
                    if (includeContent) {
                        if (logger.isDebugEnabled()) {

                responseData.setCharSet(getCharSet(file));
                responseData.setLastModified(new Date(file.lastModified()));
                if (file.canRead()) {
                    final MimeTypeHelper mimeTypeHelper = crawlerContainer.getComponent("mimeTypeHelper");
                    try (final InputStream is = new BufferedInputStream(new FileInputStream(file))) {

                        responseData.addMetaData(entry.getKey(), entry.getValue());
                    }
                }

                if (file.canRead()) {
                    final MimeTypeHelper mimeTypeHelper = crawlerContainer.getComponent("mimeTypeHelper");
                    if (includeContent) {
                        if (logger.isDebugEnabled()) {

     *
     * @return <code>true</code> if the file is read-only
     * @throws CIFSException if an error occurs accessing the resource
     */
    boolean canRead() throws CIFSException;

    /**
     * Turn off the read-only attribute of this file. This is shorthand for
     * <code>setAttributes( getAttributes() &amp; ~ATTR_READONLY )</code>.
     *

            }
            return new SmbWatchHandleImpl(openUnshared(O_RDONLY, READ_CONTROL | GENERIC_READ, DEFAULT_SHARING, 0, 1), filter, recursive);
        }
    }

    @Override
    public boolean canRead() throws SmbException {
        if (getType() == TYPE_NAMED_PIPE) { // try opening the pipe for reading?
            return true;
        }
        return exists(); // try opening and catch sharing violation?
    }