diff options
Diffstat (limited to 'include/atomic.h')
| -rw-r--r-- | include/atomic.h | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/include/atomic.h b/include/atomic.h index 7fd70c4c81..221bea0ad3 100644 --- a/include/atomic.h +++ b/include/atomic.h @@ -754,9 +754,10 @@ void __atomic_link_error (void); #endif /* !USE_ATOMIC_COMPILER_BUILTINS */ - -#ifndef atomic_delay -# define atomic_delay() do { /* nothing */ } while (0) +/* This operation does not affect synchronization semantics but can be used + in the body of a spin loop to potentially improve its efficiency. */ +#ifndef atomic_spin_nop +# define atomic_spin_nop() do { /* nothing */ } while (0) #endif #endif /* atomic.h */ |