[dpdk-dev] [PATCH 2/3] examples/l2fwd: Handle SIGINT and SIGTERM in l2fwd
Zhihong Wang
zhihong.wang at intel.com
Wed Dec 23 21:03:14 CET 2015
Handle SIGINT and SIGTERM in l2fwd.
Signed-off-by: Zhihong Wang <zhihong.wang at intel.com>
---
examples/l2fwd/main.c | 25 +++++++++++++++++++++++++
1 file changed, 25 insertions(+)
diff --git a/examples/l2fwd/main.c b/examples/l2fwd/main.c
index 720fd5a..0594037 100644
--- a/examples/l2fwd/main.c
+++ b/examples/l2fwd/main.c
@@ -44,6 +44,7 @@
#include <ctype.h>
#include <errno.h>
#include <getopt.h>
+#include <signal.h>
#include <rte_common.h>
#include <rte_log.h>
@@ -534,6 +535,27 @@ check_all_ports_link_status(uint8_t port_num, uint32_t port_mask)
}
}
+/* When we receive a INT signal, close all ports */
+static void
+sigint_handler(__rte_unused int signum)
+{
+ unsigned portid, nb_ports;
+
+ printf("Preparing to exit...\n");
+ nb_ports = rte_eth_dev_count();
+ for (portid = 0; portid < nb_ports; portid++) {
+ if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) {
+ continue;
+ }
+ printf("Stopping port %d...", portid);
+ rte_eth_dev_stop(portid);
+ rte_eth_dev_close(portid);
+ printf(" Done\n");
+ }
+ printf("Bye...\n");
+ exit(0);
+}
+
int
main(int argc, char **argv)
{
@@ -546,6 +568,9 @@ main(int argc, char **argv)
unsigned lcore_id, rx_lcore_id;
unsigned nb_ports_in_mask = 0;
+ signal(SIGINT, sigint_handler);
+ signal(SIGTERM, sigint_handler);
+
/* init EAL */
ret = rte_eal_init(argc, argv);
if (ret < 0)
--
2.5.0
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