shared_ptr atomic count: Using stdatomics.h for other compilers than gcc, clang or msvc.

1 files changed, 4 insertions, 8 deletions

diff --git a/include/stc/csptr.h b/include/stc/csptr.h
index da52d290..a8496654 100644
--- a/include/stc/csptr.h
+++ b/include/stc/csptr.h
@@ -62,14 +62,10 @@ typedef long atomic_count_t;
     #include <intrin.h>

     #define c_atomic_inc(v) (void)_InterlockedIncrement(v)

     #define c_atomic_dec_and_test(v) !_InterlockedDecrement(v)

-#elif defined(__i386__) || defined(__x86_64__)

-    STC_INLINE void c_atomic_inc(atomic_count_t* v)

-        { asm volatile("lock; incq %0" :"=m"(*v) :"m"(*v)); }

-    STC_INLINE bool c_atomic_dec_and_test(atomic_count_t* v) {

-        unsigned char c;

-        asm volatile("lock; decq %0; sete %1" :"=m"(*v), "=qm"(c) :"m"(*v) :"memory");

-        return !c;

-    }

+#else

+    #include <stdatomic.h>

+    #define c_atomic_inc(v) (void)atomic_fetch_add(v, 1)

+    #define c_atomic_dec_and_test(v) (atomic_fetch_sub(v, 1) == 1)

 #endif

 

 #define csptr_null {NULL, NULL}