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If multiple clients are active at once, the following could occur:
* Client #1 unlinks file A
* Client #2 creates file B, which reuses A's inode
* Client #2 sends request to server
* Client #1 sends request to server
* Processing client #2's request creates a mismatch warning for
file A/B.
* Processing client #1's request creates a mismatch warning too.
Note that this can happen even if Client #2 sends its request later,
as there's no intrinsic guarantee of the order in which requests
are processed; any SINGLE client is presumably executing operations
in order, but multiple clients aren't.
Fixing this in rmdir, unlink, and rename.
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Corporate policy is that each module should have a copyright notice.
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This patch adds support for checking whether a file was opened for
reading, writing, or both, as well as tracking append flags. It is
not very well tested. This is preparation for improved host
contamination checking.
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* Improve makewrappers handling of function pointer arguments.
* Regenerate wrappers when makewrappers is touched.
* Move path resolution from pseudo_client_op into wrapper
functions.
* Eliminate dependency on PATH_MAX.
* Related cleanup, such as tracking CWD better, and using
the tracked value for getcwd().
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Peter Seebach