[dpdk-dev] [PATCH 05/14] eal: intr: cleanup resources
Stephen Hemminger
stephen at networkplumber.org
Sat Jan 4 02:33:32 CET 2020
When rte_eal_cleanup is called the interrupt thread and
associated resources should be cleaned up.
Signed-off-by: Stephen Hemminger <stephen at networkplumber.org>
---
lib/librte_eal/common/eal_private.h | 10 ++++++++++
lib/librte_eal/linux/eal/eal.c | 1 +
lib/librte_eal/linux/eal/eal_interrupts.c | 9 +++++++++
3 files changed, 20 insertions(+)
diff --git a/lib/librte_eal/common/eal_private.h b/lib/librte_eal/common/eal_private.h
index 38682e79827c..c62f35d3ac0f 100644
--- a/lib/librte_eal/common/eal_private.h
+++ b/lib/librte_eal/common/eal_private.h
@@ -191,6 +191,16 @@ int rte_eal_tailqs_init(void);
*/
int rte_eal_intr_init(void);
+/**
+ * Cleanup interrupt handling.
+ *
+ * This function is private to EAL.
+ *
+ * @return
+ * 0 on success, negative on error
+ */
+void rte_eal_intr_cleanup(void);
+
/**
* Init alarm mechanism. This is to allow a callback be called after
* specific time.
diff --git a/lib/librte_eal/linux/eal/eal.c b/lib/librte_eal/linux/eal/eal.c
index d98a2afe85da..eb95f4f0c317 100644
--- a/lib/librte_eal/linux/eal/eal.c
+++ b/lib/librte_eal/linux/eal/eal.c
@@ -1338,6 +1338,7 @@ rte_eal_cleanup(void)
}
rte_service_finalize();
+ rte_eal_intr_cleanup();
rte_eal_alarm_cleanup();
rte_mp_channel_cleanup();
eal_cleanup_config(&internal_config);
diff --git a/lib/librte_eal/linux/eal/eal_interrupts.c b/lib/librte_eal/linux/eal/eal_interrupts.c
index 14ebb108cee9..fa08ac4171bd 100644
--- a/lib/librte_eal/linux/eal/eal_interrupts.c
+++ b/lib/librte_eal/linux/eal/eal_interrupts.c
@@ -1137,6 +1137,15 @@ rte_eal_intr_init(void)
return ret;
}
+void
+rte_eal_intr_cleanup(void)
+{
+ pthread_cancel(intr_thread);
+ pthread_join(intr_thread, NULL);
+ close(intr_pipe.readfd);
+ close(intr_pipe.writefd);
+}
+
static void
eal_intr_proc_rxtx_intr(int fd, const struct rte_intr_handle *intr_handle)
{
--
2.20.1
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