- vlc_mutex_t *lock = var_AcquireMutex ("gcrypt_mutex");
- gcry_control (GCRYCTL_SET_THREAD_CBS, &gcry_threads_vlc);
- vlc_mutex_unlock (lock);
+ /* This would need a process-wide static mutex with all libraries linking
+ * to a given instance of libgcrypt. We cannot do this as we have different
+ * plugins linking with gcrypt, and some underlying libraries may use it
+ * behind our back. Only way is to always link gcrypt statically (ouch!) or
+ * have upstream gcrypt provide one shared object per threading system. */
+ static bool done = false;
+
+ vlc_global_lock (VLC_GCRYPT_MUTEX);
+ if (!done)
+ {
+ gcry_control (GCRYCTL_SET_THREAD_CBS, &gcry_threads_vlc);
+ done = true;
+ }
+ vlc_global_unlock (VLC_GCRYPT_MUTEX);