On 3/21/25 09:06, kiran hardas wrote:
Hi Paul/Team,
Thank you for your suggestion. I added the entry for shmget function
in coregrind/m_syswrap/syswrap-x86-linux.c
and the error got resolved for shmget function. Yes it is x86 linux
that is getting used. Similar errors came for shmat, shmdt, shmctl
functions.
I added similar entries of those functions too in the table and
resolved the errors.
Currently i am getting error from shmat function as "Invalid argument"
from my application code.
The data pointer returned by shmat function is coming as 0xffffffff
which is -1 (error). I am calling the shmat as below
in my application code
data = shmat(shmid, NULL, 0); /* where data is a struct
pointer and shmid is 1 obtained by a successful shmget call */
I verified the arguments for this shmat function and they seem to be
fine. Also checked for permission issues.
I am suspecting memory issue which could be resulting in shmat attach
failure after running valgrind (have glibc 2.40).
Would appreciate any advice/suggestion you can provide for this issue.
Hi
I'll have a look this weekend.
A+
Paul
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