From: Stephen Hemminger <stephen@networkplumber.org>
To: Zhichao Zeng <zhichaox.zeng@intel.com>
Cc: dev@dpdk.org, david.marchand@redhat.com, qiming.yang@intel.com,
yidingx.zhou@intel.com, stable@dpdk.org,
Bruce Richardson <bruce.richardson@intel.com>,
Harman Kalra <hkalra@marvell.com>
Subject: Re: [PATCH v5] lib/eal: fix segfaults in exiting
Date: Tue, 6 Sep 2022 08:03:37 -0700 [thread overview]
Message-ID: <20220906080337.25dc426d@hermes.local> (raw)
In-Reply-To: <20220906025132.160801-1-zhichaox.zeng@intel.com>
On Tue, 6 Sep 2022 10:51:31 +0800
Zhichao Zeng <zhichaox.zeng@intel.com> wrote:
>
> +static void mark_forked(void)
> +{
> + is_forked++;
> +}
> +
This will end up counting application threads as well.
Also, it would need to be atomic.
> /* Launch threads, called at application init(). */
> int
> rte_eal_init(int argc, char **argv)
> @@ -1324,6 +1331,8 @@ rte_eal_init(int argc, char **argv)
>
> eal_mcfg_complete();
>
> + pthread_atfork(NULL, NULL, mark_forked);
> +
> return fctret;
> }
> int
> rte_eal_cleanup(void)
> {
> + if (is_forked)
> + return 0;
> +
rte_eal_cleanup is supposed to be called only once by application.
next prev parent reply other threads:[~2022-09-06 15:03 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-17 16:04 [DPDK] eal/linux: fix segfaults due to thread exit order zhichaox.zeng
2022-05-17 8:29 ` Morten Brørup
2022-05-17 15:25 ` [EXT] " Harman Kalra
2022-05-18 14:39 ` [DPDK v2] lib/eal: " zhichaox.zeng
2022-05-23 11:16 ` [PATCH " zhichaox.zeng
2022-05-23 12:10 ` David Marchand
2022-05-23 13:00 ` David Marchand
2022-05-30 13:47 ` [PATCH v3] " zhichaox.zeng
2022-05-30 16:26 ` Stephen Hemminger
2022-05-30 16:28 ` Stephen Hemminger
2022-06-02 8:21 ` Zeng, ZhichaoX
2022-06-07 10:14 ` Zeng, ZhichaoX
2022-06-15 6:01 ` [PATCH v4] " zhichaox.zeng
2022-06-24 1:42 ` Zeng, ZhichaoX
2022-06-24 7:50 ` David Marchand
2022-06-30 10:38 ` Zeng, ZhichaoX
2022-06-30 12:24 ` Bruce Richardson
2022-09-06 2:51 ` [PATCH v5] lib/eal: fix segfaults in exiting Zhichao Zeng
2022-09-06 15:03 ` Stephen Hemminger [this message]
2022-09-07 8:53 ` Zeng, ZhichaoX
2022-10-11 5:25 ` [PATCH v6] " Zhichao Zeng
2022-10-11 14:04 ` Stephen Hemminger
2022-10-19 1:51 ` Zeng, ZhichaoX
2022-09-06 2:49 [PATCH v5] " Zhichao Zeng
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