SmbResource exclFile = new SmbFile(sr, fname) ) {

            try ( OutputStream s = exclFile.openOutputStream(false, SmbConstants.FILE_NO_SHARE);
                  InputStream is = exclFile.openInputStream(SmbConstants.FILE_NO_SHARE) ) {
                fail("No sharing violation");
            }
            catch ( SmbException e ) {

                SmbConstants.FILE_WRITE_DATA | SmbConstants.FILE_WRITE_ATTRIBUTES | ( alsoRead ? SmbConstants.FILE_READ_DATA : 0 ),
                SmbConstants.FILE_NO_SHARE,
                attrs,
                0);
        }
        catch ( SmbAuthException sae ) {
            log.trace("copyTo0", sae);
            int dattrs = dest.getAttributes();

            this.desiredAccess |= SHARING_DENY_NONE;
        }
        else if ( shareAccess == SmbConstants.FILE_NO_SHARE ) {
            this.desiredAccess |= SHARING_DENY_READ_WRITE_EXECUTE;
        }
        else if ( ( shareAccess & SmbConstants.FILE_SHARE_WRITE ) == 0 ) {
            this.desiredAccess |= SHARING_DENY_WRITE;
        }

     */
    // #261
    @Test
    public void testExistsOnLock () throws IOException {
        try ( SmbFile f = createTestFile();
              SmbFileOutputStream ostream = f.openOutputStream(true, SmbConstants.FILE_NO_SHARE);
              SmbFile checkFile = new SmbFile(f.getCanonicalPath(), f.getContext()) ) {

            try {
                assertTrue(checkFile.exists());
            }
            finally {

     * will not be permitted to access the target file and will receive "The
     * file is being accessed by another process" message.
     */
    static final int FILE_NO_SHARE = 0x00;
    /**
     * When specified as the <tt>shareAccess</tt> constructor parameter,
     * other SMB clients will be permitted to read from the target file while

 * {@link jcifs.smb1.smb1.SmbFile} for a detailed description and examples of
 * the smb URL syntax.
<p>
The second parameter specifies how the file should be shared. If
<code>SmbFile.FILE_NO_SHARE</code> is specified the client will
have exclusive access to the file. An additional open command
from jCIFS or another application will fail with the "file is being

 * will not be permitted to access the target file and will receive "The
 * file is being accessed by another process" message.
 */
    public static final int FILE_NO_SHARE     = 0x00;
/**
 * When specified as the <tt>shareAccess</tt> constructor parameter,
 * other SMB clients will be permitted to read from the target file while

                withOpen(th, Smb2CreateRequest.FILE_OPEN_IF, O_RDWR, 0, null);
            }
            else {
                try ( SmbFileHandle fd = openUnshared(O_RDWR | O_CREAT | O_EXCL, O_RDWR, FILE_NO_SHARE, ATTR_NORMAL, 0) ) {
                    // close explicitly
                    fd.close(0L);
                }
            }
        }
        catch ( CIFSException e ) {