Calling rte_eal_cleanup() should cause DPDK to cleanup all outstanding resources including file descriptors.
Signed-off-by: Stephen Hemminger <step...@networkplumber.org> --- lib/librte_eal/common/eal_private.h | 7 +++++++ lib/librte_eal/linux/eal/eal.c | 1 + lib/librte_eal/linux/eal/eal_alarm.c | 11 +++++++++++ 3 files changed, 19 insertions(+) diff --git a/lib/librte_eal/common/eal_private.h b/lib/librte_eal/common/eal_private.h index fdd942d71a36..38682e79827c 100644 --- a/lib/librte_eal/common/eal_private.h +++ b/lib/librte_eal/common/eal_private.h @@ -202,6 +202,13 @@ int rte_eal_intr_init(void); */ int rte_eal_alarm_init(void); +/** + * Cleanup alarm resources. + * + * This function is private to EAL. + */ +void rte_eal_alarm_cleanup(void); + /** * Function is to check if the kernel module(like, vfio, vfio_iommu_type1, * etc.) loaded. diff --git a/lib/librte_eal/linux/eal/eal.c b/lib/librte_eal/linux/eal/eal.c index a3381fd01a23..a1b928820b11 100644 --- a/lib/librte_eal/linux/eal/eal.c +++ b/lib/librte_eal/linux/eal/eal.c @@ -1325,6 +1325,7 @@ rte_eal_cleanup(void) if (rte_eal_process_type() == RTE_PROC_PRIMARY) rte_memseg_walk(mark_freeable, NULL); rte_service_finalize(); + rte_eal_alarm_cleanup(); rte_mp_channel_cleanup(); eal_cleanup_config(&internal_config); rte_eal_log_cleanup(); diff --git a/lib/librte_eal/linux/eal/eal_alarm.c b/lib/librte_eal/linux/eal/eal_alarm.c index 0924c9205c84..e6aeee933ece 100644 --- a/lib/librte_eal/linux/eal/eal_alarm.c +++ b/lib/librte_eal/linux/eal/eal_alarm.c @@ -6,6 +6,7 @@ #include <signal.h> #include <errno.h> #include <string.h> +#include <unistd.h> #include <sys/queue.h> #include <sys/time.h> #include <sys/timerfd.h> @@ -72,6 +73,16 @@ rte_eal_alarm_init(void) return -1; } +void +rte_eal_alarm_cleanup(void) +{ + if (intr_handle.fd == -1) + return; + + close(intr_handle.fd); + intr_handle.fd = -1; +} + static void eal_alarm_callback(void *arg __rte_unused) { -- 2.20.1