le-deadlock.txt

thread#5:                                           thread#1:                
  - lock(bufev->lock) # waiting, blocked by #t1             
- bufferevent_setcb(bufev=0x64f350, ...)                    
- send_http_response()                                - lock() # waiting, blocked by #t5   
- device_chunk_cb()                                 - evbuffer_get_length("device1->pending->bufev")
- device_read_cb(bev=0x6396d0, arg="device1")       - device_write_cb(bev=0x64f350, arg="device1")
- bufferevent_trigger_nolock_()                     - bufferevent_trigger_nolock_() 
  - lock(bufev->lock (0x6396d0))                      - lock(bufev->lock(0x64f350)) 
- bufferevent_readcb(arg=0x6396d0)                  - bufferevent_writecb(arg=0x64f350)
- event_persist_closure()                           - event_persist_closure()