#ifndef ATOMIC_GCC_BUILTINS_INCLUDED
#define ATOMIC_GCC_BUILTINS_INCLUDED
/*Modified by David Lowes 2015 - Zend Technologies LTD. LICENSE??*/
#define make_atomic_add_body(S)                     \
  v=  __atomic_fetch_add(a, v, __ATOMIC_RELAXED);
#define make_atomic_fas_body(S)                     \
  v= __sync_lock_test_and_set(a, v);
#define make_atomic_cas_body(S)                     \
  int ## S sav;                                     \
  int ## S cmp_val= *cmp;                           \
  sav= __sync_val_compare_and_swap(a, cmp_val, set);\
  if (!(ret= (sav == cmp_val))) *cmp= sav

#ifdef MY_ATOMIC_MODE_DUMMY
#define make_atomic_load_body(S)   ret= *a
#define make_atomic_store_body(S)  *a= v
#define MY_ATOMIC_MODE "gcc-builtins-up"

#elif defined(HAVE_GCC_C11_ATOMICS)
#define MY_ATOMIC_MODE "gcc-atomics-smp"
#define make_atomic_load_body(S)                    \
  ret= __atomic_load_n(a, __ATOMIC_SEQ_CST)
#define make_atomic_store_body(S)                   \
  __atomic_store_n(a, v, __ATOMIC_SEQ_CST)
#else
#define MY_ATOMIC_MODE "gcc-builtins-smp"
#define make_atomic_load_body(S)                    \
  ret= __sync_fetch_and_or(a, 0);
#define make_atomic_store_body(S)                   \
  (void) __sync_lock_test_and_set(a, v);
#endif

#endif /* ATOMIC_GCC_BUILTINS_INCLUDED */

Add implementation of atomic ops with libatomic instead of gcc builtins
Add implementation of atomic ops with libatomic instead of gcc builtins
