diff options
Diffstat (limited to 'src/atomic_counter.hpp')
| -rw-r--r-- | src/atomic_counter.hpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/atomic_counter.hpp b/src/atomic_counter.hpp index 07002af..bd89f72 100644 --- a/src/atomic_counter.hpp +++ b/src/atomic_counter.hpp @@ -81,6 +81,8 @@ namespace xs #if defined XS_ATOMIC_COUNTER_WINDOWS old_value = InterlockedExchangeAdd ((LONG*) &value, increment_); +#elif defined __GNUC__ && !defined XS_DISABLE_GCC_SYNC_BUILTINS + old_value = __sync_fetch_and_add (&value, increment_); #elif defined XS_ATOMIC_COUNTER_ATOMIC_H integer_t new_value = atomic_add_32_nv (&value, increment_); old_value = new_value - increment_; @@ -121,6 +123,9 @@ namespace xs LONG delta = - ((LONG) decrement); integer_t old = InterlockedExchangeAdd ((LONG*) &value, delta); return old - decrement != 0; +#elif defined __GNUC__ && !defined XS_DISABLE_GCC_SYNC_BUILTINS + integer_t new_value = __sync_sub_and_fetch (&value, decrement); + return (new_value != 0); #elif defined XS_ATOMIC_COUNTER_ATOMIC_H int32_t delta = - ((int32_t) decrement); integer_t nv = atomic_add_32_nv (&value, delta); |