[4/8] examples/l2fwd-crypto: add signal handler for exit
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Commit Message
Handle SIGINT and SIGTERM signals.
Signed-off-by: Gagandeep Singh <g.singh@nxp.com>
---
examples/l2fwd-crypto/main.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
@@ -18,6 +18,7 @@
#include <getopt.h>
#include <fcntl.h>
#include <unistd.h>
+#include <signal.h>
#include <rte_string_fns.h>
#include <rte_branch_prediction.h>
@@ -258,6 +259,9 @@ struct l2fwd_crypto_statistics crypto_statistics[RTE_CRYPTO_MAX_DEVS];
/* default period is 10 seconds */
static int64_t timer_period = 10 * TIMER_MILLISECOND * 1000;
+/* Global signal */
+unsigned int signal_received;
+
/* Print out statistics on packets dropped */
static void
print_stats(void)
@@ -925,6 +929,8 @@ l2fwd_main_loop(struct l2fwd_crypto_options *options)
nb_rx = rte_eth_rx_burst(portid, 0,
pkts_burst, MAX_PKT_BURST);
+ if (unlikely(signal_received))
+ return;
port_statistics[portid].rx += nb_rx;
@@ -2762,6 +2768,13 @@ reserve_key_memory(struct l2fwd_crypto_options *options)
options->aad.phys_addr = rte_malloc_virt2iova(options->aad.data);
}
+static void
+raise_signal(int signum)
+{
+ signal_received = 1;
+ printf("Exiting on signal (%d)\n", signum);
+}
+
int
main(int argc, char **argv)
{
@@ -2774,6 +2787,9 @@ main(int argc, char **argv)
int ret, enabled_cdevcount, enabled_portcount;
uint8_t enabled_cdevs[RTE_CRYPTO_MAX_DEVS] = {0};
+ signal(SIGINT, raise_signal);
+ signal(SIGTERM, raise_signal);
+
/* init EAL */
ret = rte_eal_init(argc, argv);
if (ret < 0)