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When we're renumbering locks, we're destroying all existing
allocations anyways, so destroying the old lock struct is not a
particularly big deal. Existing long-lived libpod instances will
continue to use the old locks, but that will be solved in a
followon.
Also, solve an issue with returning error values in the C code.
There were a few places where we return ERRNO where it was not
set, so make them return actual error codes).
Signed-off-by: Matthew Heon <matthew.heon@pm.me>
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Renumber is a way of renumbering container locks after the number
of locks available has changed.
For now, renumber only works with containers.
Signed-off-by: Matthew Heon <matthew.heon@pm.me>
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Signed-off-by: Matthew Heon <matthew.heon@pm.me>
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This patch makes the path unigue to each UID.
Also cleans up some return code to return the path it is trying to lock.
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
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Signed-off-by: Matthew Heon <matthew.heon@gmail.com>
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Signed-off-by: Matthew Heon <matthew.heon@gmail.com>
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Signed-off-by: Matthew Heon <matthew.heon@gmail.com>
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Signed-off-by: Matthew Heon <matthew.heon@gmail.com>
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Golint wants to rename the struct. I think the name is fine. I
can disable golint. Golint will no longer complain about the
name.
Signed-off-by: Matthew Heon <matthew.heon@gmail.com>
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Move SHM specific code into a subpackage. Within the main locks
package, move the manager to be linux-only and add a non-Linux
unsupported build file.
Signed-off-by: Matthew Heon <matthew.heon@gmail.com>
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