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[lttng-tools.git] / src / common / macros.h

diff --git a/src/common/macros.h b/src/common/macros.h
index 1771d236c2daa3eeea5a807bef5ddc83cbb6d677..fc159c0af3c707102d7bb853a49360d16e01c1d1 100644 (file)
--- a/src/common/macros.h
+++ b/src/common/macros.h
@@ -56,6 +56,10 @@
 #define max(a, b) ((a) > (b) ? (a) : (b))
 #endif
 
+#ifndef max_t
+#define max_t(type, a, b)      ((type) max(a, b))
+#endif
+
 #ifndef min
 #define min(a, b) ((a) < (b) ? (a) : (b))
 #endif
@@ -64,4 +68,8 @@
 #define LTTNG_PACKED __attribute__((__packed__))
 #endif
 
+#ifndef LTTNG_HIDDEN
+#define LTTNG_HIDDEN __attribute__((visibility("hidden")))
+#endif
+
 #endif /* _MACROS_H */