diff --git a/src/basic/errno-util.h b/src/basic/errno-util.h index 6053cde62dd..b2723b864e3 100644 --- a/src/basic/errno-util.h +++ b/src/basic/errno-util.h @@ -86,3 +86,11 @@ static inline bool ERRNO_IS_RESOURCE(int r) { ENFILE, ENOMEM); } + +/* Three different errors for "operation/system call/ioctl not supported" */ +static inline bool ERRNO_IS_NOT_SUPPORTED(int r) { + return IN_SET(abs(r), + EOPNOTSUPP, + ENOTTY, + ENOSYS); +}