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Add ALIGN_TO util to macros.h
[lttng-tools.git]
/
src
/
common
/
macros.h
diff --git
a/src/common/macros.h
b/src/common/macros.h
index 28c21d5b8188ebd786d710cba5c1ceba8132154e..33ada7321801a14b438a27dca246ec8fbfb0c897 100644
(file)
--- a/
src/common/macros.h
+++ b/
src/common/macros.h
@@
-83,6
+83,12
@@
void *zmalloc(size_t len)
#define LTTNG_PACKED __attribute__((__packed__))
#endif
#define LTTNG_PACKED __attribute__((__packed__))
#endif
+/*
+ * Align value to the next multiple of align. Returns val if it already is a
+ * multiple of align. Align must be a power of two.
+ */
+#define ALIGN_TO(value, align) ((value + (align - 1)) & ~(align - 1))
+
/*
* LTTNG_HIDDEN: set the hidden attribute for internal functions
* On Windows, symbols are local unless explicitly exported,
/*
* LTTNG_HIDDEN: set the hidden attribute for internal functions
* On Windows, symbols are local unless explicitly exported,
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