X-Git-Url: http://git.liburcu.org/?p=urcu.git;a=blobdiff_plain;f=urcu%2Fcompiler.h;h=5b7bb305b2de83b1828171f506d7241d3c692d03;hp=aab2c5cdd7bff1c590896f0add675ba3435fcc3a;hb=1b27a7725e853b9f0673a0ed2639b8dc1065f21b;hpb=f152776dbd7d8cf072160d4d0229e1c3e4ea6f1c

diff --git a/urcu/compiler.h b/urcu/compiler.h
index aab2c5c..5b7bb30 100644
--- a/urcu/compiler.h
+++ b/urcu/compiler.h
@@ -47,4 +47,12 @@
 #define min(a,b) ((a)<(b)?(a):(b))
 #endif
 
+#if defined(__SIZEOF_LONG__)
+#define BITS_PER_LONG	(__SIZEOF_LONG__ * 8)
+#elif defined(_LP64)
+#define BITS_PER_LONG	64
+#else
+#define BITS_PER_LONG	32
+#endif
+
 #endif /* _URCU_COMPILER_H */