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openat2: log a warning when we fall back to openat

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This should occur only once per run, but it's worth leaving a note
that it has happened.

Signed-off-by: Zygo Blaxell <bees@furryterror.org>
This commit is contained in:
Zygo Blaxell 2025-01-19 21:11:17 -05:00
parent 5fe89d85c3
commit 874832dc58
1 changed files with 1 additions and 0 deletions
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src/bees-roots.cc
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@ -1774,6 +1774,7 @@ bees_openat(int const parent_fd, const char *const pathname, uint64_t const flag
};
const auto rv = openat2(parent_fd, pathname, &how, sizeof(open_how));
if (rv == -1 && errno == ENOSYS) {
BEESLOGWARN("openat2 returns ENOSYS, falling back to openat");
can_openat2 = false;
} else {
return Fd(rv);