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| author | Christian Brauner <brauner@kernel.org> | 2026-09-21 16:15:33 +0200 |
|---|---|---|
| committer | Christian Brauner <brauner@kernel.org> | 2026-10-05 13:02:40 +0200 |
| commit | 48629a611531379bc5b792dc6f63ac9bb56ca537 (patch) | |
| tree | cf95f8de8844bb84bf6fa1ea3005a218cf0e63df /include/uapi/linux | |
| parent | 6395f928f321ba6f057c101675af121b0eb9d9eb (diff) | |
| download | linux-next-48629a611531379bc5b792dc6f63ac9bb56ca537.tar.gz linux-next-48629a611531379bc5b792dc6f63ac9bb56ca537.zip | |
close_range: turn the flags into an enum
Turn the close_range() flags into an enum. Makes debugging a lot easier.
No functional changes.
Link: https://patch.msgid.link/20260921-work-file-close_range_except-v1-5-c20d0b49270d@kernel.org
Reviewed-by: Jann Horn <jannh@google.com>
Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org>
Diffstat (limited to 'include/uapi/linux')
| -rw-r--r-- | include/uapi/linux/close_range.h | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/include/uapi/linux/close_range.h b/include/uapi/linux/close_range.h index 2d804281554c..b1b637d74deb 100644 --- a/include/uapi/linux/close_range.h +++ b/include/uapi/linux/close_range.h @@ -2,11 +2,24 @@ #ifndef _UAPI_LINUX_CLOSE_RANGE_H #define _UAPI_LINUX_CLOSE_RANGE_H -/* Unshare the file descriptor table before closing file descriptors. */ -#define CLOSE_RANGE_UNSHARE (1U << 1) +/* + * A macro of one of these names defined before this header is parsed, by + * a libc or by a program's own fallback, would replace the enumerator. + */ +#undef CLOSE_RANGE_UNSHARE +#undef CLOSE_RANGE_CLOEXEC -/* Set the FD_CLOEXEC bit instead of closing the file descriptor. */ -#define CLOSE_RANGE_CLOEXEC (1U << 2) +enum close_range_flags { + /* Unshare the file descriptor table before closing file descriptors. */ + CLOSE_RANGE_UNSHARE = (1U << 1), + + /* Set the FD_CLOEXEC bit instead of closing the file descriptor. */ + CLOSE_RANGE_CLOEXEC = (1U << 2), +}; + +/* Keep #ifdef working and let glibc skip its own definitions. */ +#define CLOSE_RANGE_UNSHARE CLOSE_RANGE_UNSHARE +#define CLOSE_RANGE_CLOEXEC CLOSE_RANGE_CLOEXEC #endif /* _UAPI_LINUX_CLOSE_RANGE_H */ |