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{
    "id": 6435,
    "url": "http://patches.dpdk.org/api/patches/6435/?format=api",
    "web_url": "http://patches.dpdk.org/project/dpdk/patch/1436980576-6361-1-git-send-email-stephen@networkplumber.org/",
    "project": {
        "id": 1,
        "url": "http://patches.dpdk.org/api/projects/1/?format=api",
        "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",
        "list_archive_url": "https://inbox.dpdk.org/dev",
        "list_archive_url_format": "https://inbox.dpdk.org/dev/{}",
        "commit_url_format": ""
    },
    "msgid": "<1436980576-6361-1-git-send-email-stephen@networkplumber.org>",
    "list_archive_url": "https://inbox.dpdk.org/dev/1436980576-6361-1-git-send-email-stephen@networkplumber.org",
    "date": "2015-07-15T17:16:16",
    "name": "[dpdk-dev] eal: handle signal on eventfd",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": true,
    "hash": "67bd3ca77fcf1a19f121a98763360e8fc66ef579",
    "submitter": {
        "id": 27,
        "url": "http://patches.dpdk.org/api/people/27/?format=api",
        "name": "Stephen Hemminger",
        "email": "stephen@networkplumber.org"
    },
    "delegate": null,
    "mbox": "http://patches.dpdk.org/project/dpdk/patch/1436980576-6361-1-git-send-email-stephen@networkplumber.org/mbox/",
    "series": [],
    "comments": "http://patches.dpdk.org/api/patches/6435/comments/",
    "check": "pending",
    "checks": "http://patches.dpdk.org/api/patches/6435/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<dev-bounces@dpdk.org>",
        "X-Original-To": "patchwork@dpdk.org",
        "Delivered-To": "patchwork@dpdk.org",
        "Received": [
            "from [92.243.14.124] (localhost [IPv6:::1])\n\tby dpdk.org (Postfix) with ESMTP id B6DA35947;\n\tWed, 15 Jul 2015 19:16:10 +0200 (CEST)",
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        ],
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        "X-Gm-Message-State": "ALoCoQlsqZexCROskH6lJdKq5QRVQ25hrs5ybtfvfMggK4dN6w9Uj3pfL35IYHTg6To/TCUecWr3",
        "X-Received": "by 10.66.90.166 with SMTP id bx6mr10166385pab.76.1436980569009; \n\tWed, 15 Jul 2015 10:16:09 -0700 (PDT)",
        "From": "Stephen Hemminger <stephen@networkplumber.org>",
        "To": "dev@dpdk.org",
        "Date": "Wed, 15 Jul 2015 10:16:16 -0700",
        "Message-Id": "<1436980576-6361-1-git-send-email-stephen@networkplumber.org>",
        "X-Mailer": "git-send-email 2.1.4",
        "Subject": "[dpdk-dev] [PATCH] eal: handle signal on eventfd",
        "X-BeenThere": "dev@dpdk.org",
        "X-Mailman-Version": "2.1.15",
        "Precedence": "list",
        "List-Id": "patches and discussions about DPDK <dev.dpdk.org>",
        "List-Unsubscribe": "<http://dpdk.org/ml/options/dev>,\n\t<mailto:dev-request@dpdk.org?subject=unsubscribe>",
        "List-Archive": "<http://dpdk.org/ml/archives/dev/>",
        "List-Post": "<mailto:dev@dpdk.org>",
        "List-Help": "<mailto:dev-request@dpdk.org?subject=help>",
        "List-Subscribe": "<http://dpdk.org/ml/listinfo/dev>,\n\t<mailto:dev-request@dpdk.org?subject=subscribe>",
        "Errors-To": "dev-bounces@dpdk.org",
        "Sender": "\"dev\" <dev-bounces@dpdk.org>"
    },
    "content": "The read for events in the interrupt thread may get interrupted\nby signals from application. Avoid generating stray log message.\n\nSigned-off-by: Stephen Hemminger <stephen@networkplumber.org>\n---\n lib/librte_eal/linuxapp/eal/eal_interrupts.c | 6 ++++--\n 1 file changed, 4 insertions(+), 2 deletions(-)",
    "diff": "diff --git a/lib/librte_eal/linuxapp/eal/eal_interrupts.c b/lib/librte_eal/linuxapp/eal/eal_interrupts.c\nindex b5f369e..61e7c85 100644\n--- a/lib/librte_eal/linuxapp/eal/eal_interrupts.c\n+++ b/lib/librte_eal/linuxapp/eal/eal_interrupts.c\n@@ -720,12 +720,14 @@ eal_intr_process_interrupts(struct epoll_event *events, int nfds)\n \t\t * for epoll_wait.\n \t\t */\n \t\tbytes_read = read(events[n].data.fd, &buf, bytes_read);\n+\t\tif (bytes_read < 0) {\n+\t\t\tif (errno == EINTR || errno == EWOULDBLOCK)\n+\t\t\t\tcontinue;\n \n-\t\tif (bytes_read < 0)\n \t\t\tRTE_LOG(ERR, EAL, \"Error reading from file \"\n \t\t\t\t\"descriptor %d: %s\\n\", events[n].data.fd,\n \t\t\t\t\t\t\tstrerror(errno));\n-\t\telse if (bytes_read == 0)\n+\t\t} else if (bytes_read == 0)\n \t\t\tRTE_LOG(ERR, EAL, \"Read nothing from file \"\n \t\t\t\t\"descriptor %d\\n\", events[n].data.fd);\n \n",
    "prefixes": [
        "dpdk-dev"
    ]
}