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

[Zhihong Wang]

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