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authorNicolas Cavallari <nicolas.cavallari@green-communications.fr>2021-04-07 19:08:23 +0200
committerWaldemar Brodkorb <wbx@openadk.org>2021-04-09 05:56:24 +0200
commit221f2898b9140b4cc103d2c485061023706c1fcf (patch)
tree89ecaeda872ea2074d05b5941e20575d0b9238e1 /docs/porting.txt
parent2bf4991c4dd7b50b74656011dea9c40464ff390c (diff)
open: Add support for O_TMPFILE
Since Linux 3.11, O_TMPFILE allows to create unnamed files that can be linked later on. It is internally defined as (O_TMPFILE | O_DIRECTORY) to make it fail on old kernels. Copying definitions from glibc for O_TMPFILE is not enough to support O_TMPFILE; The open() wrapper also need to pass the mode when the flag contains O_TMPFILE, otherwise, it will pass mode 000 which will succeed but yield unexpected results. openat() is curiously not affected since it passes the mode unconditionally.. Signed-off-by: Nicolas Cavallari <nicolas.cavallari@green-communications.fr>
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