Function sync_callback

src/rig.c:8441–8456

static pthread_mutex_t initializer = PTHREAD_MUTEX_INITIALIZER;

HAMLIB_EXPORT(void) sync_callback(int lock)
{
    pthread_mutex_t client_lock = initializer;

    if (lock)
    {
        pthread_mutex_lock(&client_lock);
        rig_debug(RIG_DEBUG_VERBOSE, "%s: client lock engaged\n", __func__);
    }
    else
    {
        rig_debug(RIG_DEBUG_VERBOSE, "%s: client lock disengaged\n", __func__);
        pthread_mutex_unlock(&client_lock);
    }

}
#endif

void rig_lock(RIG *rig, int lock)