service: fix C++ linkage

[dpdk.git] / lib / librte_eal / include / rte_service_component.h

diff --git a/lib/librte_eal/include/rte_service_component.h b/lib/librte_eal/include/rte_service_component.h
index 16eab79..9e66ee7 100644 (file)
--- a/lib/librte_eal/include/rte_service_component.h
+++ b/lib/librte_eal/include/rte_service_component.h
@@ -9,6 +9,11 @@
  * Include this file if you are writing a component that requires CPU cycles to
  * operate, and you wish to run the component using service cores
  */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #include <rte_compat.h>
 #include <rte_service.h>
 
@@ -43,7 +48,7 @@ struct rte_service_spec {
 /**
  * Register a new service.
  *
- * A service represents a component that the requires CPU time periodically to
+ * A service represents a component that requires CPU time periodically to
  * achieve its purpose.
  *
  * For example the eventdev SW PMD requires CPU cycles to perform its
@@ -56,6 +61,10 @@ struct rte_service_spec {
  * *rte_service_component_runstate_set*, which indicates that the service
  * component is ready to be executed.
  *
+ * If the service is known to be mapped to a single lcore, setting the
+ * capability of the service to RTE_SERVICE_CAP_MT_SAFE can achieve
+ * better performance.
+ *
  * @param spec The specification of the service to register
  * @param[out] service_id A pointer to a uint32_t, which will be filled in
  *             during registration of the service. It is set to the integers
@@ -126,4 +135,8 @@ int32_t rte_service_init(void);
  */
 void rte_service_finalize(void);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* _SERVICE_PRIVATE_H_ */