diff options
Diffstat (limited to 'lib/frratomic.h')
| -rw-r--r-- | lib/frratomic.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/lib/frratomic.h b/lib/frratomic.h index 689b25255d..1f1d1b569a 100644 --- a/lib/frratomic.h +++ b/lib/frratomic.h @@ -29,6 +29,12 @@ #ifdef HAVE_STDATOMIC_H #include <stdatomic.h> +/* These are available in gcc, but not in stdatomic */ +#define atomic_add_fetch_explicit __atomic_add_fetch +#define atomic_sub_fetch_explicit __atomic_sub_fetch +#define atomic_and_fetch_explicit __atomic_and_fetch +#define atomic_or_fetch_explicit __atomic_or_fetch + /* gcc 4.7 and newer */ #elif defined(HAVE___ATOMIC) @@ -49,6 +55,11 @@ #define atomic_fetch_and_explicit __atomic_fetch_and #define atomic_fetch_or_explicit __atomic_fetch_or +#define atomic_add_fetch_explicit __atomic_add_fetch +#define atomic_sub_fetch_explicit __atomic_sub_fetch +#define atomic_and_fetch_explicit __atomic_and_fetch +#define atomic_or_fetch_explicit __atomic_or_fetch + #define atomic_compare_exchange_weak_explicit(atom, expect, desire, mem1, \ mem2) \ __atomic_compare_exchange_n(atom, expect, desire, 1, mem1, mem2) @@ -137,6 +148,7 @@ *_expect = rval; \ ret; \ }) + #define atomic_fetch_and_explicit(ptr, val, mem) \ ({ \ __sync_synchronize(); \ @@ -152,6 +164,36 @@ rval; \ }) +#define atomic_add_fetch_explicit(ptr, val, mem) \ + ({ \ + __sync_synchronize(); \ + typeof(*ptr) rval = __sync_add_and_fetch((ptr), (val)); \ + __sync_synchronize(); \ + rval; \ + }) +#define atomic_sub_fetch_explicit(ptr, val, mem) \ + ({ \ + __sync_synchronize(); \ + typeof(*ptr) rval = __sync_sub_and_fetch((ptr), (val)); \ + __sync_synchronize(); \ + rval; \ + }) + +#define atomic_and_fetch_explicit(ptr, val, mem) \ + ({ \ + __sync_synchronize(); \ + typeof(*ptr) rval = __sync_and_and_fetch(ptr, val); \ + __sync_synchronize(); \ + rval; \ + }) +#define atomic_or_fetch_explicit(ptr, val, mem) \ + ({ \ + __sync_synchronize(); \ + typeof(*ptr) rval = __sync_or_and_fetch(ptr, val); \ + __sync_synchronize(); \ + rval; \ + }) + #else /* !HAVE___ATOMIC && !HAVE_STDATOMIC_H */ #error no atomic functions... #endif |