* [LTP] [PATCH] syscalls/shmget03: Stat and skip existing shared segments
@ 2021-08-04 0:42 Ian May
2021-08-05 12:08 ` Cyril Hrubis
0 siblings, 1 reply; 3+ messages in thread
From: Ian May @ 2021-08-04 0:42 UTC (permalink / raw)
To: ltp
From: Ian May <ian.s.may@gmail.com>
Run a SHM_STAT prior to the creation of the shared memory segment.
This allows for not failing unexpectedly and still exhausting the
proper max shared segments.
Signed-off-by: Ian May <ian.s.may@gmail.com>
---
testcases/kernel/syscalls/ipc/shmget/shmget03.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/testcases/kernel/syscalls/ipc/shmget/shmget03.c b/testcases/kernel/syscalls/ipc/shmget/shmget03.c
index efbc465e1..fe91b6191 100644
--- a/testcases/kernel/syscalls/ipc/shmget/shmget03.c
+++ b/testcases/kernel/syscalls/ipc/shmget/shmget03.c
@@ -34,6 +34,7 @@ static void verify_shmget(void)
static void setup(void)
{
int res, num;
+ struct shmid_ds buf;
shmkey = GETIPCKEY();
@@ -41,6 +42,8 @@ static void setup(void)
queues = SAFE_MALLOC(maxshms * sizeof(int));
for (num = 0; num < maxshms; num++) {
+ if(shmctl(num, SHM_STAT, &buf) != -1)
+ continue;
res = shmget(shmkey + num, SHM_SIZE, IPC_CREAT | IPC_EXCL | SHM_RW);
if (res == -1)
tst_brk(TBROK | TERRNO, "shmget failed unexpectedly");
--
2.25.1
^ permalink raw reply related [flat|nested] 3+ messages in thread
* [LTP] [PATCH] syscalls/shmget03: Stat and skip existing shared segments
2021-08-04 0:42 [LTP] [PATCH] syscalls/shmget03: Stat and skip existing shared segments Ian May
@ 2021-08-05 12:08 ` Cyril Hrubis
2021-08-05 13:53 ` Ian M
0 siblings, 1 reply; 3+ messages in thread
From: Cyril Hrubis @ 2021-08-05 12:08 UTC (permalink / raw)
To: ltp
Hi!
Yang Xu is already working on it, see:
http://patchwork.ozlabs.org/project/ltp/list/?series=256752
Thanks for the effort anyway.
--
Cyril Hrubis
chrubis@suse.cz
^ permalink raw reply [flat|nested] 3+ messages in thread
* [LTP] [PATCH] syscalls/shmget03: Stat and skip existing shared segments
2021-08-05 12:08 ` Cyril Hrubis
@ 2021-08-05 13:53 ` Ian M
0 siblings, 0 replies; 3+ messages in thread
From: Ian M @ 2021-08-05 13:53 UTC (permalink / raw)
To: ltp
That looks like a good solution!
Thanks,
Ian
On Thu, Aug 5, 2021 at 7:07 AM Cyril Hrubis <chrubis@suse.cz> wrote:
> Hi!
> Yang Xu is already working on it, see:
>
> http://patchwork.ozlabs.org/project/ltp/list/?series=256752
>
> Thanks for the effort anyway.
>
> --
> Cyril Hrubis
> chrubis@suse.cz
>
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2021-08-04 0:42 [LTP] [PATCH] syscalls/shmget03: Stat and skip existing shared segments Ian May
2021-08-05 12:08 ` Cyril Hrubis
2021-08-05 13:53 ` Ian M
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