[dpdk-dev] [PATCH 2/3] examples/l2fwd: Handle SIGINT and SIGTERM in l2fwd

[Zhihong Wang <zhihong.wang@intel.com>]

Handle SIGINT and SIGTERM in l2fwd.

Signed-off-by: Zhihong Wang <zhihong.wang@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