diff options
Diffstat (limited to 'lib/builtins/atomic_flag_test_and_set.c')
| -rw-r--r-- | lib/builtins/atomic_flag_test_and_set.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/builtins/atomic_flag_test_and_set.c b/lib/builtins/atomic_flag_test_and_set.c index 07209fc02d5e..e8811d39ef25 100644 --- a/lib/builtins/atomic_flag_test_and_set.c +++ b/lib/builtins/atomic_flag_test_and_set.c @@ -12,8 +12,16 @@ *===------------------------------------------------------------------------=== */ +#ifndef __has_include +#define __has_include(inc) 0 +#endif + +#if __has_include(<stdatomic.h>) + #include <stdatomic.h> #undef atomic_flag_test_and_set _Bool atomic_flag_test_and_set(volatile atomic_flag *object) { return __c11_atomic_exchange(&(object)->_Value, 1, __ATOMIC_SEQ_CST); } + +#endif |