diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/sh/atomic-machine.h')
| -rw-r--r-- | sysdeps/unix/sysv/linux/sh/atomic-machine.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/sysdeps/unix/sysv/linux/sh/atomic-machine.h b/sysdeps/unix/sysv/linux/sh/atomic-machine.h index 0a8e083545..798735527b 100644 --- a/sysdeps/unix/sysv/linux/sh/atomic-machine.h +++ b/sysdeps/unix/sysv/linux/sh/atomic-machine.h @@ -1,5 +1,5 @@ /* Atomic operations used inside libc. Linux/SH version. - Copyright (C) 2003-2016 Free Software Foundation, Inc. + Copyright (C) 2003-2018 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -47,6 +47,9 @@ typedef uintmax_t uatomic_max_t; #define __HAVE_64B_ATOMICS 0 #define USE_ATOMIC_COMPILER_BUILTINS 0 +/* XXX Is this actually correct? */ +#define ATOMIC_EXCHANGE_USES_CAS 1 + /* SH kernel has implemented a gUSA ("g" User Space Atomicity) support for the user space atomicity. The atomicity macros use this scheme. |