diff options
Diffstat (limited to 'compat/atomics.h')
| -rw-r--r-- | compat/atomics.h | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/compat/atomics.h b/compat/atomics.h index 797992f876..e5fb717a78 100644 --- a/compat/atomics.h +++ b/compat/atomics.h @@ -22,6 +22,8 @@ #include <inttypes.h> #include "config.h" +#define HAVE_ATOMICS 1 + #if HAVE_STDATOMIC #include <stdatomic.h> #else @@ -58,8 +60,17 @@ typedef struct { volatile unsigned long long v; } atomic_ullong; __sync_fetch_and_add(&(a)->v, b) #else -# error "this should have been a configuration error, report a bug please" -#endif + +// This is extremely wrong. The build system actually disables code that has +// a serious dependency on working atomics, so this is barely ok. +#define atomic_load(p) ((p)->v) +#define atomic_store(p, val) ((p)->v = (val)) +#define atomic_fetch_add(a, b) (((a)->v += (b)) - (b)) + +#undef HAVE_ATOMICS +#define HAVE_ATOMICS 0 + +#endif /* no atomics */ #endif /* else HAVE_STDATOMIC */ |