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-rw-r--r--erts/include/internal/gcc/ethr_atomic.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/erts/include/internal/gcc/ethr_atomic.h b/erts/include/internal/gcc/ethr_atomic.h
index e8e529dd48..49a8ceeab1 100644
--- a/erts/include/internal/gcc/ethr_atomic.h
+++ b/erts/include/internal/gcc/ethr_atomic.h
@@ -36,11 +36,14 @@
# define ETHR_IMMED_ATOMIC_SET_GET_SAFE__ 1
#endif
+#if ETHR_SIZEOF_LONG != ETHR_SIZEOF_PTR
+# error "Incompatible size of 'long'"
+#endif
+
typedef struct {
volatile long counter;
} ethr_native_atomic_t;
-
/*
* According to the documentation this is what we want:
* #define ETHR_MEMORY_BARRIER __sync_synchronize()