diff options
Diffstat (limited to 'include/Atomic.h')
| -rw-r--r-- | include/Atomic.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/Atomic.h b/include/Atomic.h index 0f3e8d3..35edbf1 100644 --- a/include/Atomic.h +++ b/include/Atomic.h @@ -21,6 +21,8 @@ template <class T> T Increment(volatile T * ptr, T delta = 1) { __sync_fetch_and template <class T> T Decrement(volatile T * ptr, T delta = 1) { __sync_fetch_and_sub(ptr, delta); } }; +template <class T> T CmpXChg(volatile T * ptr, T xch, T cmp) { return __sync_val_compare_and_swap(ptr, cmp, xch); } + template <class T> T Exchange32(volatile T * ptr, T exchange) { #if defined(i386) || defined (__x86_64) __asm__ __volatile__("lock xchgl %0, (%1)" : "+r"(exchange) : "r"(ptr)); |