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{
    "id": 74619,
    "url": "https://patches.dpdk.org/api/patches/74619/",
    "web_url": "https://patches.dpdk.org/patch/74619/",
    "project": {
        "id": 1,
        "url": "https://patches.dpdk.org/api/projects/1/",
        "name": "DPDK",
        "link_name": "dpdk",
        "list_id": "dev.dpdk.org",
        "list_email": "dev@dpdk.org",
        "web_url": "http://core.dpdk.org",
        "scm_url": "git://dpdk.org/dpdk",
        "webscm_url": "http://git.dpdk.org/dpdk"
    },
    "msgid": "<20200722125026.2595-1-ibtisam.tariq@emumba.com>",
    "date": "2020-07-22T12:50:25",
    "name": "[1/2] examples/l2fwd-jobstats: Free resources on exit",
    "commit_ref": null,
    "pull_url": null,
    "state": "new",
    "archived": false,
    "hash": "d9456cfa3a03a15eef1ae62b64f2dbedddf81236",
    "submitter": {
        "id": 1680,
        "url": "https://patches.dpdk.org/api/people/1680/",
        "name": "Ibtisam Tariq",
        "email": "ibtisam.tariq@emumba.com"
    },
    "delegate": {
        "id": 1,
        "url": "https://patches.dpdk.org/api/users/1/",
        "username": "tmonjalo",
        "first_name": "Thomas",
        "last_name": "Monjalon",
        "email": "thomas@monjalon.net"
    },
    "mbox": "https://patches.dpdk.org/patch/74619/mbox/",
    "series": [
        {
            "id": 11237,
            "url": "https://patches.dpdk.org/api/series/11237/",
            "web_url": "https://patches.dpdk.org/project/dpdk/list/?series=11237",
            "date": "2020-07-22T12:50:25",
            "name": "[1/2] examples/l2fwd-jobstats: Free resources on exit",
            "version": 1,
            "mbox": "https://patches.dpdk.org/series/11237/mbox/"
        }
    ],
    "comments": "https://patches.dpdk.org/api/patches/74619/comments/",
    "check": "success",
    "checks": "https://patches.dpdk.org/api/patches/74619/checks/",
    "tags": {},
    "headers": {
        "List-Subscribe": "<https://mails.dpdk.org/listinfo/dev>,\n <mailto:dev-request@dpdk.org?subject=subscribe>",
        "X-Mailman-Version": "2.1.15",
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        "List-Post": "<mailto:dev@dpdk.org>",
        "X-BeenThere": "dev@dpdk.org",
        "List-Id": "DPDK patches and discussions <dev.dpdk.org>",
        "Subject": "[dpdk-dev] [PATCH 1/2] examples/l2fwd-jobstats: Free resources on\n\texit",
        "Sender": "\"dev\" <dev-bounces@dpdk.org>",
        "Delivered-To": "patchwork@inbox.dpdk.org",
        "Received": [
            "from dpdk.org (dpdk.org [92.243.14.124])\n\tby inbox.dpdk.org (Postfix) with ESMTP id 87EEBA0526;\n\tWed, 22 Jul 2020 14:51:58 +0200 (CEST)",
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        ],
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        "Date": "Wed, 22 Jul 2020 12:50:25 +0000",
        "X-Received": "by 2002:a5d:6681:: with SMTP id l1mr17347081wru.47.1595422314421;\n Wed, 22 Jul 2020 05:51:54 -0700 (PDT)",
        "To": "declan.doherty@intel.com",
        "From": "Ibtisam Tariq <ibtisam.tariq@emumba.com>",
        "Errors-To": "dev-bounces@dpdk.org",
        "Cc": "dev@dpdk.org,\n\tIbtisam Tariq <ibtisam.tariq@emumba.com>",
        "List-Help": "<mailto:dev-request@dpdk.org?subject=help>",
        "Message-Id": "<20200722125026.2595-1-ibtisam.tariq@emumba.com>",
        "Return-Path": "<dev-bounces@dpdk.org>"
    },
    "content": "When exiting the application, resources should be cleared.\n\nSigned-off-by: Ibtisam Tariq <ibtisam.tariq@emumba.com>\n---\n examples/l2fwd-jobstats/main.c | 49 +++++++++++++++++++++++++++++++++-\n 1 file changed, 48 insertions(+), 1 deletion(-)",
    "diff": "diff --git a/examples/l2fwd-jobstats/main.c b/examples/l2fwd-jobstats/main.c\nindex 47a3b0976..4f29f40ea 100644\n--- a/examples/l2fwd-jobstats/main.c\n+++ b/examples/l2fwd-jobstats/main.c\n@@ -8,6 +8,7 @@\n #include <stdint.h>\n #include <ctype.h>\n #include <getopt.h>\n+#include <signal.h>\n \n #include <rte_common.h>\n #include <rte_log.h>\n@@ -36,6 +37,8 @@\n #include <rte_alarm.h>\n #include <rte_pause.h>\n \n+static volatile bool force_quit;\n+\n #define RTE_LOGTYPE_L2FWD RTE_LOGTYPE_USER1\n \n #define NB_MBUF   8192\n@@ -493,7 +496,7 @@ l2fwd_main_loop(void)\n \n \trte_jobstats_init(&qconf->idle_job, \"idle\", 0, 0, 0, 0);\n \n-\tfor (;;) {\n+\twhile (!force_quit) {\n \t\trte_spinlock_lock(&qconf->lock);\n \n \t\tdo {\n@@ -508,6 +511,9 @@ l2fwd_main_loop(void)\n \t\t\tuint64_t repeats = 0;\n \n \t\t\tdo {\n+\t\t\t\tif (force_quit)\n+\t\t\t\t\tbreak;\n+\n \t\t\t\tuint8_t i;\n \t\t\t\tuint64_t now = rte_get_timer_cycles();\n \n@@ -523,6 +529,9 @@ l2fwd_main_loop(void)\n \n \t\t\t} while (!need_manage);\n \n+\t\t\tif (force_quit)\n+\t\t\t\tbreak;\n+\n \t\t\tif (likely(repeats != 1))\n \t\t\t\trte_jobstats_finish(&qconf->idle_job, qconf->idle_job.target);\n \t\t\telse\n@@ -693,8 +702,12 @@ check_all_ports_link_status(uint32_t port_mask)\n \tprintf(\"\\nChecking link status\");\n \tfflush(stdout);\n \tfor (count = 0; count <= MAX_CHECK_TIME; count++) {\n+\t\tif (force_quit)\n+\t\t\treturn;\n \t\tall_ports_up = 1;\n \t\tRTE_ETH_FOREACH_DEV(portid) {\n+\t\t\tif (force_quit)\n+\t\t\t\treturn;\n \t\t\tif ((port_mask & (1 << portid)) == 0)\n \t\t\t\tcontinue;\n \t\t\tmemset(&link, 0, sizeof(link));\n@@ -742,6 +755,27 @@ check_all_ports_link_status(uint32_t port_mask)\n \t}\n }\n \n+static void\n+stop_and_close_eth_dev(uint16_t port_id)\n+{\n+\tRTE_ETH_FOREACH_DEV(port_id) {\n+\t\tprintf(\"Closing port %d...\", port_id);\n+\t\trte_eth_dev_stop(port_id);\n+\t\trte_eth_dev_close(port_id);\n+\t\tprintf(\" Done\\n\");\n+\t}\n+}\n+\n+static void\n+signal_handler(int signum)\n+{\n+\tif (signum == SIGINT || signum == SIGTERM) {\n+\t\tprintf(\"\\n\\nSignal %d received, preparing to exit...\\n\",\n+\t\t\t\tsignum);\n+\t\tforce_quit = true;\n+\t}\n+}\n+\n int\n main(int argc, char **argv)\n {\n@@ -762,6 +796,10 @@ main(int argc, char **argv)\n \targc -= ret;\n \targv += ret;\n \n+\tforce_quit = false;\n+\tsignal(SIGINT, signal_handler);\n+\tsignal(SIGTERM, signal_handler);\n+\n \t/* parse application arguments (after the EAL ones) */\n \tret = l2fwd_parse_args(argc, argv);\n \tif (ret < 0)\n@@ -960,6 +998,12 @@ main(int argc, char **argv)\n \t}\n \n \tcheck_all_ports_link_status(l2fwd_enabled_port_mask);\n+\tif (force_quit) {\n+\t\tstop_and_close_eth_dev(portid);\n+\t\trte_eal_cleanup();\n+\t\tprintf(\"Bye...\\n\");\n+\t\treturn 0;\n+\t}\n \n \tdrain_tsc = (hz + US_PER_S - 1) / US_PER_S * BURST_TX_DRAIN_US;\n \n@@ -1028,5 +1072,8 @@ main(int argc, char **argv)\n \t\t\treturn -1;\n \t}\n \n+\tstop_and_close_eth_dev(portid);\n+\trte_eal_cleanup();\n+\tprintf(\"Bye...\\n\");\n \treturn 0;\n }\n",
    "prefixes": [
        "1/2"
    ]
}