C++ (Cpp) AO_compare_double_and_swap_double_releaseの例

コード例 #1

ファイル: atomic_ops_stack.c プロジェクト: chipdude/MoarVM

AO_t *AO_stack_pop_acquire(AO_stack_t *list)
{
    AO_t *cptr;
    AO_t next;
    AO_t cversion;

    do {
      cversion = AO_load_acquire(&(list -> version));
      cptr = (AO_t *)AO_load(&(list -> ptr));
      if (cptr == 0) return 0;
      next = *cptr;
    } while (!AO_compare_double_and_swap_double_release
                    (list, cversion, (AO_t) cptr, cversion+1, next));
    return cptr;
}

コード例 #2

ファイル: atomic_ops_stack.c プロジェクト: Drakey83/steamlink-sdk

AO_t *AO_stack_pop_acquire(AO_stack_t *list)
{
#   ifdef __clang__
      AO_t *volatile cptr;
                        /* Use volatile to workaround a bug in          */
                        /* clang-1.1/x86 causing test_stack failure.    */
#   else
      AO_t *cptr;
#   endif
    AO_t next;
    AO_t cversion;

    do {
      /* Version must be loaded first.  */
      cversion = AO_load_acquire(&(list -> version));
      cptr = (AO_t *)AO_load(&(list -> ptr));
      if (cptr == 0) return 0;
      next = *cptr;
    } while (!AO_compare_double_and_swap_double_release
                    (list, cversion, (AO_t) cptr, cversion+1, (AO_t) next));
    return cptr;
}