Revision 8af8ce4d

b/net/tap.c
53 53 
    char down_script[1024];
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    char down_script_arg[128];
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    uint8_t buf[TAP_BUFSIZE];
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    Notifier exit_notifier;
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    unsigned int read_poll : 1;
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    unsigned int write_poll : 1;
58 59 
    unsigned int has_vnet_hdr : 1;
......
261 262 
    tap_read_poll(s, 0);
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    tap_write_poll(s, 0);
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    close(s->fd);
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    exit_notifier_remove(&s->exit_notifier);
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}
267 

  		





  
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/* Instead of exiting gracefully, we're exiting because someone called


  		





  
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 * exit(), make sure to invoke down script at least


  		





  
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 */


  		





  
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static void tap_cleanup_at_exit(Notifier *notifier)


  		





  
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{


  		





  
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    TAPState *s = container_of(notifier, TAPState, exit_notifier);


  		





  
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    if (s->down_script[0]) {


  		





  
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        launch_script(s->down_script, s->down_script_arg, s->fd);


  		





  
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    }


  		





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}


  		





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static void tap_poll(VLANClientState *nc, bool enable)


  		





  ......




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    s->has_vnet_hdr = vnet_hdr != 0;


  		





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    s->using_vnet_hdr = 0;


  		





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    s->has_ufo = tap_probe_has_ufo(s->fd);


  		





  
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    s->exit_notifier.notify = tap_cleanup_at_exit;


  		





  
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    exit_notifier_add(&s->exit_notifier);


  		





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    tap_set_offload(&s->nc, 0, 0, 0, 0, 0);


  		





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    tap_read_poll(s, 1);


  		





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    return s;


  		












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