Method getLibraryPath

java/com/facebook/soloader/SoLoader.java:719–735

Gets the full path of a library. @param libName the library file name, including the prefix and extension. @return the full path of the library, or null if it is not found in none of the SoSources. @throws IOException if there is an error calculating the canonical path of libName

(String libName)

   * @throws IOException if there is an error calculating the canonical path of libName
   */
  public static @Nullable String getLibraryPath(String libName) throws IOException {
    String libPath = null;

    sSoSourcesLock.readLock().lock();
    try {
      if (sSoSources != null) {
        for (int i = 0; libPath == null && i < sSoSources.length; ++i) {
          SoSource currentSource = sSoSources[i];
          libPath = currentSource.getLibraryPath(libName);
        }
      }
    } finally {
      sSoSourcesLock.readLock().unlock();
    }

    return libPath;
  }

  public static SoSource[] cloneSoSources() {
    sSoSourcesLock.readLock().lock();