From: xuyang2018.jy@fujitsu.com <xuyang2018.jy@fujitsu.com>
To: ltp@lists.linux.it
Subject: [LTP] [PATCH 3/3] syscalls/semctl01: Convert into new api
Date: Fri, 9 Apr 2021 10:25:07 +0000 [thread overview]
Message-ID: <607039A2.3010705@fujitsu.com> (raw)
In-Reply-To: <YHAoQooWArsl2rgD@yuki>
Hi Cyril
> Hi!
>>>> To ensure ftok succeed, we must require root. Or, modify GETIPCKEY api,
>>>> we can use tmp directory. Anyhow, I will send a v2 to remove useless
>>>> funtion declartion firstly.
>>>
>>> Unless we are sharing the semaphore with a process that wasn't worked
>>> from the test process we can also pass IPC_PRIVATE instead of the key.
>>
>> My ltp working directory is /root/ltp, then run "su xuyang" to run
>> semctl01 case under /root/ltp/testcases/kernel/syscalls/ipc/semctl, then
>> I got ftok failure as below:
>>
>> [xuyang@localhost semctl]$ ./semctl01
>> tst_test.c:1289: TINFO: Timeout per run is 0h 05m 00s
>> libnewipc.c:44: TBROK: ftok() failed at semctl01.c:308: EACCES (13)
>>
>> I guess this situation maybe meaningless(Usually, user has access
>> privilege for their ltp directory or install directory ). So needs_root
>> is useless.
>>
>> I guess maintainers can remove this directly instead of sending a v3.
>
> The point I was trying to make is that you can pass IPC_PRIVATE instead
> of the key to semget() and you don't have to use ftok() at all.
Now, I see. Thanks. Will send a v3.
>
next prev parent reply other threads:[~2021-04-09 10:25 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-23 10:57 [LTP] [PATCH 1/3] tst_safe_sysv_ipc.c: Add SAFE_SEMOP macro Yang Xu
2021-03-23 10:57 ` [LTP] [PATCH 2/3] tst_safe_sysv_ipc.c: Fix wrong ret_check Yang Xu
2021-04-07 17:28 ` Alexey Kodanev
2021-03-23 10:57 ` [LTP] [PATCH 3/3] syscalls/semctl01: Convert into new api Yang Xu
2021-04-07 17:33 ` Alexey Kodanev
2021-04-08 2:02 ` xuyang2018.jy
2021-04-08 10:33 ` Cyril Hrubis
2021-04-09 7:59 ` xuyang2018.jy
2021-04-09 10:11 ` Cyril Hrubis
2021-04-09 10:25 ` xuyang2018.jy [this message]
2021-04-09 11:55 ` [LTP] [PATCH v3 1/3] tst_safe_sysv_ipc.c: Add SAFE_SEMOP macro Yang Xu
2021-04-09 11:55 ` [LTP] [PATCH v3 2/3] tst_safe_sysv_ipc.c: Fix wrong ret_check Yang Xu
2021-04-09 11:55 ` [LTP] [PATCH v3 3/3] syscalls/semctl01: Convert into new api 1)Use SAFE MACRO 2)Remove useless macro and UCLINUX 3)Use IPC_PRIVATE instead of key Yang Xu
2021-04-09 14:34 ` Alexey Kodanev
2021-04-12 8:20 ` [LTP] [PATCH v4 1/3] tst_safe_sysv_ipc.c: Add SAFE_SEMOP macro Yang Xu
2021-04-12 8:20 ` [LTP] [PATCH v4 2/3] tst_safe_sysv_ipc.c: Fix wrong ret_check Yang Xu
2021-04-12 8:20 ` [LTP] [PATCH v4 3/3] syscalls/semctl01: Convert into new api Yang Xu
2021-04-19 1:42 ` [LTP] [PATCH v4 1/3] tst_safe_sysv_ipc.c: Add SAFE_SEMOP macro xuyang2018.jy
2021-04-08 3:29 ` [LTP] [PATCH v2 " Yang Xu
2021-04-08 3:29 ` [LTP] [PATCH v2 2/3] tst_safe_sysv_ipc.c: Fix wrong ret_check Yang Xu
2021-04-08 3:29 ` [LTP] [PATCH v2 3/3] syscalls/semctl01: Convert into new api Yang Xu
2021-04-01 2:24 ` [LTP] [PATCH 1/3] tst_safe_sysv_ipc.c: Add SAFE_SEMOP macro xuyang2018.jy
2021-04-07 17:27 ` Alexey Kodanev
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=607039A2.3010705@fujitsu.com \
--to=xuyang2018.jy@fujitsu.com \
--cc=ltp@lists.linux.it \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox