Currently, IPC API will silently ignore unsupported IPC.
Fix the API call and its callers to explicitly handle
unsupported IPC cases.
Signed-off-by: Anatoly Burakov <anatoly.bura...@intel.com>
---
lib/librte_eal/common/eal_common_proc.c | 6 ++++++
lib/librte_eal/common/include/rte_eal.h | 3 +++
2 files changed, 9 insertions(+)
diff --git a/lib/librte_eal/common/eal_common_proc.c
b/lib/librte_eal/common/eal_common_proc.c
index 4c062a306..0db842f84 100644
--- a/lib/librte_eal/common/eal_common_proc.c
+++ b/lib/librte_eal/common/eal_common_proc.c
@@ -792,6 +792,12 @@ rte_mp_sendmsg(struct rte_mp_msg *msg)
if (!check_input(msg))
return -1;
+ if (internal_config.no_shconf) {
+ RTE_LOG(DEBUG, EAL, "No shared files mode enabled, IPC is
disabled\n");
+ rte_errno = ENOTSUP;
+ return -1;
+ }
+
RTE_LOG(DEBUG, EAL, "sendmsg: %s\n", msg->name);
return mp_send(msg, NULL, MP_MSG);
}
diff --git a/lib/librte_eal/common/include/rte_eal.h
b/lib/librte_eal/common/include/rte_eal.h
index 7f807aa8e..d47cb2440 100644
--- a/lib/librte_eal/common/include/rte_eal.h
+++ b/lib/librte_eal/common/include/rte_eal.h
@@ -290,6 +290,9 @@ rte_mp_action_unregister(const char *name);
* This function will send a message which will be responsed by the action
* identified by name in the peer process.
*
+ * @note IPC may be unsupported in certain circumstances, so caller should
check
+ * for ENOTSUP error.
+ *
* @param msg
* The msg argument contains the customized message.
*
--
2.17.1
