diff options
Diffstat (limited to 'include/ruby/ruby.h')
| -rw-r--r-- | include/ruby/ruby.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/include/ruby/ruby.h b/include/ruby/ruby.h index 6e86cbeec6..19f146e4ad 100644 --- a/include/ruby/ruby.h +++ b/include/ruby/ruby.h @@ -387,7 +387,13 @@ enum ruby_value_type { static inline int rb_type(VALUE obj); #define TYPE(x) rb_type((VALUE)(x)) -#define RB_GC_GUARD(v) (*(volatile VALUE *)&(v)) +#ifdef __GNUC__ +#define RB_GC_GUARD_PTR(ptr) \ + __extension__ ({volatile VALUE *rb_gc_guarded_ptr = (ptr); rb_gc_guarded_ptr;}) +#else +#define RB_GC_GUARD_PTR(ptr) (volatile VALUE *)(ptr) +#endif +#define RB_GC_GUARD(v) (*RB_GC_GUARD_PTR(&(v))) void rb_check_type(VALUE,int); #define Check_Type(v,t) rb_check_type((VALUE)(v),t) |