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-rw-r--r--lib/librte_eal/common/include/rte_common.h29
1 files changed, 29 insertions, 0 deletions
diff --git a/lib/librte_eal/common/include/rte_common.h b/lib/librte_eal/common/include/rte_common.h
index 434adfd4..069c13ec 100644
--- a/lib/librte_eal/common/include/rte_common.h
+++ b/lib/librte_eal/common/include/rte_common.h
@@ -83,6 +83,7 @@ typedef uint16_t unaligned_uint16_t;
#define RTE_PRIORITY_LOG 101
#define RTE_PRIORITY_BUS 110
+#define RTE_PRIORITY_CLASS 120
#define RTE_PRIORITY_LAST 65535
#define RTE_PRIO(prio) \
@@ -112,6 +113,29 @@ static void __attribute__((constructor(RTE_PRIO(prio)), used)) func(void)
RTE_INIT_PRIO(func, LAST)
/**
+ * Run after main() with low priority.
+ *
+ * @param func
+ * Destructor function name.
+ * @param prio
+ * Priority number must be above 100.
+ * Lowest number is the last to run.
+ */
+#define RTE_FINI_PRIO(func, prio) \
+static void __attribute__((destructor(RTE_PRIO(prio)), used)) func(void)
+
+/**
+ * Run after main() with high priority.
+ *
+ * The destructor will be run *before* prioritized destructors.
+ *
+ * @param func
+ * Destructor function name.
+ */
+#define RTE_FINI(func) \
+ RTE_FINI_PRIO(func, LAST)
+
+/**
* Force a function to be inlined
*/
#define __rte_always_inline inline __attribute__((always_inline))
@@ -294,6 +318,11 @@ rte_combine64ms1b(register uint64_t v)
/*********** Macros to work with powers of 2 ********/
/**
+ * Macro to return 1 if n is a power of 2, 0 otherwise
+ */
+#define RTE_IS_POWER_OF_2(n) ((n) && !(((n) - 1) & (n)))
+
+/**
* Returns true if n is a power of 2
* @param n
* Number to check