Add a special file descriptor indicating the root of the pidfs filesystem. Signed-off-by: Christian Brauner <brauner@xxxxxxxxxx> --- include/uapi/linux/fcntl.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/uapi/linux/fcntl.h b/include/uapi/linux/fcntl.h index a5bebe7c4400..f291ab4f94eb 100644 --- a/include/uapi/linux/fcntl.h +++ b/include/uapi/linux/fcntl.h @@ -110,6 +110,7 @@ #define PIDFD_SELF_THREAD -10000 /* Current thread. */ #define PIDFD_SELF_THREAD_GROUP -10001 /* Current thread group leader. */ +#define FD_PIDFS_ROOT -10002 /* Root of the pidfs filesystem */ #define FD_INVALID -10009 /* Invalid file descriptor: -10000 - EBADF = -10009 */ /* Generic flags for the *at(2) family of syscalls. */ -- 2.47.2 --bqxxnyjefp5u3dzl Content-Type: text/x-diff; charset=utf-8 Content-Disposition: attachment; filename="0002-fhandle-pidfs-support-open_by_handle_at-purely-based.patch"
