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alcove

0.40.2
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Control plane for Unix processes, containers and sandboxes

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alcove edoc cap_fcntls_limit-4.edoc
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edoc/cap_fcntls_limit-4.edoc 

@doc cap_fcntls_limit(2): manage fcntl commands in capability mode



== Support ==



• FreeBSD



== Examples ==



```

1> {ok, Drv} = alcove_drv:start().

{ok,<0.209.0>}

2> {ok, Pid} = alcove:fork(Drv, []).

{ok,77853}

3> {ok, FD} = alcove:open(Drv, [Pid], "/etc/passwd", [o_rdonly], 0).

{ok,6}

4> ok = alcove:cap_enter(Drv, [Pid]).

ok

5> alcove:cap_fcntls_get(Drv, [Pid], FD).

{ok,120}

6> ok = alcove:cap_fcntls_limit(Drv, [Pid], FD, [cap_fcntl_setfl]).

ok

7> alcove:cap_fcntls_get(Drv, [Pid], FD).

{ok,16}

'''