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From: Stephen Hemminger <stephen@networkplumber.org>
To: Zhihong Wang <zhihong.wang@intel.com>
Cc: dev@dpdk.org
Subject: Re: [dpdk-dev] [PATCH v3 3/3] examples/l3fwd: Handle SIGINT and SIGTERM in l3fwd
Date: Wed, 30 Dec 2015 09:37:58 -0800	[thread overview]
Message-ID: <20151230093758.1b700c1a@xeon-e3> (raw)
In-Reply-To: <1451352032-105576-4-git-send-email-zhihong.wang@intel.com>

On Mon, 28 Dec 2015 20:20:32 -0500
Zhihong Wang <zhihong.wang@intel.com> wrote:

> Handle SIGINT and SIGTERM in l3fwd.
> 
> Signed-off-by: Zhihong Wang <zhihong.wang@intel.com>
> Acked-by: Michael Qiu <michael.qiu@intel.com>
> ---
>  examples/l3fwd/main.c | 129 +++++++++++++++++++++++++++++++++++++++++---------
>  1 file changed, 107 insertions(+), 22 deletions(-)
> 
> diff --git a/examples/l3fwd/main.c b/examples/l3fwd/main.c
> index 5b0c2dd..c766cf5 100644
> --- a/examples/l3fwd/main.c
> +++ b/examples/l3fwd/main.c
> @@ -41,6 +41,9 @@
>  #include <stdarg.h>
>  #include <errno.h>
>  #include <getopt.h>
> +#include <signal.h>
> +#include <unistd.h>
> +#include <stdbool.h>
>  
>  #include <rte_common.h>
>  #include <rte_vect.h>
> @@ -75,6 +78,10 @@
>  #include <cmdline_parse.h>
>  #include <cmdline_parse_etheraddr.h>
>  
> +static volatile bool port_started;
> +static volatile bool force_quit;
> +static volatile int signo_quit;

I don't think you need the port_started or signo_quit logic.

The port_started logic is racy, and if you write the loops
correctly, is unnecessary.

The signo_quit logic is unnecessary, since exit code of interrupted
program doesn't matter. 

  parent reply	other threads:[~2015-12-30 17:37 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-12-25  2:37 [dpdk-dev] [PATCH v2 0/3] Handle SIGINT and SIGTERM in DPDK examples Zhihong Wang
2015-12-25  2:37 ` [dpdk-dev] [PATCH v2 1/3] app/test-pmd: Handle SIGINT and SIGTERM in testpmd Zhihong Wang
2015-12-27 21:42   ` Stephen Hemminger
2015-12-28  1:37     ` Wang, Zhihong
2015-12-25  2:37 ` [dpdk-dev] [PATCH v2 2/3] examples/l2fwd: Handle SIGINT and SIGTERM in l2fwd Zhihong Wang
2015-12-27 21:49   ` Stephen Hemminger
2015-12-28  1:35     ` Wang, Zhihong
2015-12-25  2:37 ` [dpdk-dev] [PATCH v2 3/3] examples/l3fwd: Handle SIGINT and SIGTERM in l3fwd Zhihong Wang
2015-12-28  4:17 ` [dpdk-dev] [PATCH v2 0/3] Handle SIGINT and SIGTERM in DPDK examples Qiu, Michael
2015-12-28  9:51   ` Wang, Zhihong
2015-12-29  1:20 ` [dpdk-dev] [PATCH v3 " Zhihong Wang
2015-12-29  1:20   ` [dpdk-dev] [PATCH v3 1/3] app/test-pmd: Handle SIGINT and SIGTERM in testpmd Zhihong Wang
2015-12-29  1:20   ` [dpdk-dev] [PATCH v3 2/3] examples/l2fwd: Handle SIGINT and SIGTERM in l2fwd Zhihong Wang
2015-12-30 17:35     ` Stephen Hemminger
2015-12-29  1:20   ` [dpdk-dev] [PATCH v3 3/3] examples/l3fwd: Handle SIGINT and SIGTERM in l3fwd Zhihong Wang
2015-12-29 13:34     ` Ananyev, Konstantin
2015-12-30  3:15       ` Wang, Zhihong
2015-12-30 11:29         ` Ananyev, Konstantin
2015-12-31  2:14           ` Wang, Zhihong
2015-12-30 17:37     ` Stephen Hemminger [this message]
2015-12-29 23:27 ` [dpdk-dev] [PATCH v4 0/3] Handle SIGINT and SIGTERM in DPDK examples Zhihong Wang
2015-12-29 23:27   ` [dpdk-dev] [PATCH v4 1/3] app/test-pmd: Handle SIGINT and SIGTERM in testpmd Zhihong Wang
2015-12-29 23:27   ` [dpdk-dev] [PATCH v4 2/3] examples/l2fwd: Handle SIGINT and SIGTERM in l2fwd Zhihong Wang
2015-12-29 23:27   ` [dpdk-dev] [PATCH v4 3/3] examples/l3fwd: Handle SIGINT and SIGTERM in l3fwd Zhihong Wang
2015-12-30 13:37     ` Ananyev, Konstantin
2015-12-31  1:44       ` Wang, Zhihong
2015-12-31  2:09         ` Stephen Hemminger
2015-12-31  2:20           ` Wang, Zhihong
2015-12-30 21:59 ` [dpdk-dev] [PATCH v5 0/3] Handle SIGINT and SIGTERM in DPDK examples Zhihong Wang
2015-12-30 21:59   ` [dpdk-dev] [PATCH v5 1/3] app/test-pmd: Handle SIGINT and SIGTERM in testpmd Zhihong Wang
2015-12-30 21:59   ` [dpdk-dev] [PATCH v5 2/3] examples/l2fwd: Handle SIGINT and SIGTERM in l2fwd Zhihong Wang
2015-12-31 17:01     ` Stephen Hemminger
2016-01-04  2:00       ` Wang, Zhihong
2015-12-30 21:59   ` [dpdk-dev] [PATCH v5 3/3] examples/l3fwd: Handle SIGINT and SIGTERM in l3fwd Zhihong Wang
2016-01-06 13:51     ` Ananyev, Konstantin
2016-01-27 16:34   ` [dpdk-dev] [PATCH v5 0/3] Handle SIGINT and SIGTERM in DPDK examples Thomas Monjalon

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