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From: David Marchand <david.marchand@redhat.com>
To: "Min Hu (Connor)" <humin29@huawei.com>
Cc: dev <dev@dpdk.org>, "Yigit, Ferruh" <ferruh.yigit@intel.com>,
	 Ciara Power <ciara.power@intel.com>,
	"Pattan, Reshma" <reshma.pattan@intel.com>
Subject: Re: [dpdk-dev] [PATCH v3 1/2] telemetry: fix missing check for thread creation
Date: Thu, 15 Apr 2021 16:55:46 +0200
Message-ID: <CAJFAV8y_idFJcqUz=uCAm5AKYyN4HDkm6MNB5QoW_3=EjYssDQ@mail.gmail.com> (raw)
In-Reply-To: <1618487412-26678-2-git-send-email-humin29@huawei.com>

On Thu, Apr 15, 2021 at 1:50 PM Min Hu (Connor) <humin29@huawei.com> wrote:
> diff --git a/lib/librte_telemetry/telemetry.c b/lib/librte_telemetry/telemetry.c
> index 7e08afd..e6a99f3 100644
> --- a/lib/librte_telemetry/telemetry.c
> +++ b/lib/librte_telemetry/telemetry.c
> @@ -350,6 +350,7 @@ socket_listener(void *socket)
>  {
>         while (1) {
>                 pthread_t th;
> +               int rc;
>                 struct socket *s = (struct socket *)socket;
>                 int s_accepted = accept(s->sock, NULL, NULL);
>                 if (s_accepted < 0) {
> @@ -366,7 +367,12 @@ socket_listener(void *socket)
>                         __atomic_add_fetch(s->num_clients, 1,
>                                         __ATOMIC_RELAXED);
>                 }
> -               pthread_create(&th, NULL, s->fn, (void *)(uintptr_t)s_accepted);
> +               rc = pthread_create(&th, NULL, s->fn, (void *)(uintptr_t)s_accepted);
> +               if (rc != 0) {
> +                       TMTY_LOG(ERR, "Error with create client thread\n");
> +                       close(s_accepted);
> +                       return NULL;
> +               }

Repeating my comment:

Either you use this rc variable (adding strerror(rc) in the log
message in TMTY_LOG()) or you remove the variable and simply test if
(pthread_create(...) != 0).

This comment applies to other changes in this patch.
And this applies to patch 2 too.

>                 pthread_detach(th);
>         }
>         return NULL;

Thanks.


--
David Marchand


  reply	other threads:[~2021-04-15 14:56 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-10 10:44 [dpdk-dev] [PATCH 0/2] " Min Hu (Connor)
2021-04-10 10:44 ` [dpdk-dev] [PATCH 1/2] telemetry: " Min Hu (Connor)
2021-04-10 10:44 ` [dpdk-dev] [PATCH 2/2] test: " Min Hu (Connor)
2021-04-12  0:32 ` [dpdk-dev] [PATCH v2 0/2] " Min Hu (Connor)
2021-04-12  0:32   ` [dpdk-dev] [PATCH v2 1/2] telemetry: " Min Hu (Connor)
2021-04-12  7:48     ` David Marchand
2021-04-15 11:53       ` Min Hu (Connor)
2021-04-12  0:32   ` [dpdk-dev] [PATCH v2 2/2] test: " Min Hu (Connor)
2021-04-15 11:50 ` [dpdk-dev] [PATCH v3 0/2] " Min Hu (Connor)
2021-04-15 11:50   ` [dpdk-dev] [PATCH v3 1/2] telemetry: " Min Hu (Connor)
2021-04-15 14:55     ` David Marchand [this message]
2021-04-16  8:21       ` Min Hu (Connor)
2021-04-15 16:11     ` Power, Ciara
2021-04-16  8:19       ` Min Hu (Connor)
2021-04-15 11:50   ` [dpdk-dev] [PATCH v3 2/2] test: " Min Hu (Connor)
2021-04-15 17:05     ` Pattan, Reshma
2021-04-16  8:21       ` Min Hu (Connor)
2021-04-16  8:34         ` Ferruh Yigit
2021-04-16  9:16           ` Min Hu (Connor)
2021-04-16  8:18 ` [dpdk-dev] [PATCH v4 0/2] " Min Hu (Connor)
2021-04-16  8:18   ` [dpdk-dev] [PATCH v4 1/2] telemetry: " Min Hu (Connor)
2021-04-19  8:49     ` Power, Ciara
2021-04-16  8:18   ` [dpdk-dev] [PATCH v4 2/2] test: " Min Hu (Connor)
2021-04-19  9:33     ` Pattan, Reshma
2021-04-21 14:32   ` [dpdk-dev] [PATCH v4 0/2] " Thomas Monjalon

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