mirror of https://github.com/mkerrisk/man-pages
capget.2: Rewrite discussion of kernel versions that support file capabilities
File capabilities ceased to be optional in Linux 2.6.33. Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
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@ -118,11 +118,12 @@ and
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.IR datap [1],
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.IR datap [1],
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whereas 32-bit capabilities use only
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whereas 32-bit capabilities use only
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.IR datap [0].
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.IR datap [0].
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.sp
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Another change affecting the behavior of these system calls is kernel
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On kernels that support file capabilities (VFS capability support),
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support for file capabilities (VFS capability support).
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these system calls behave slightly differently.
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This support is currently a compile time option (added in kernel 2.6.24).
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This support was added as an option in Linux 2.6.24,
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.sp
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and became fixed (nonoptional) in Linux 2.6.33.
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For
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For
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.BR capget ()
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.BR capget ()
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calls, one can probe the capabilities of any process by specifying its
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calls, one can probe the capabilities of any process by specifying its
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