[Bug 190912] [libc] shmctl(2) get shared memory state returning error attached process number

[bugzilla-noreply]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=190912

Eitan Adler  changed:

   What|Removed |Added

 Status|In Progress |Open

--- Comment #3 from Eitan Adler  ---
For bugs matching the following conditions:
- Status == In Progress
- Assignee == "b...@freebsd.org"
- Last Modified Year <= 2017

Do
- Set Status to "Open"

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[Bug 190912] [libc] shmctl(2) get shared memory state returning error attached process number

[bugzilla-noreply]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=190912

Jilles Tjoelker jil...@freebsd.org changed:

   What|Removed |Added

 Status|Needs Triage|In Discussion
 CC||jil...@freebsd.org

--- Comment #2 from Jilles Tjoelker jil...@freebsd.org ---
When called through the FreeBSD ABI, shmctl(SHM_STAT) will always fail with
[EINVAL]. The SHM_STAT cmd is really only intended for Linux's ipcs tool,
allowing it to iterate over all shared memory segments in the system. It is
probably a bug that the sys/shm.h header exposes SHM_STAT and a few other
unsupported cmd values to applications.

To request the state of a shared memory segment, use IPC_STAT.

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[Bug 190912] [libc] shmctl(2) get shared memory state returning error attached process number

[bz-noreply]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=190912

Mark Linimon lini...@freebsd.org changed:

   What|Removed |Added

  Component|misc|kern
Summary|shmctl get shared memory|[libc] shmctl(2) get shared
   |state returning error   |memory state returning
   |attached process number |error attached process
   ||number

--- Comment #1 from Mark Linimon lini...@freebsd.org ---
adjust summary and component.

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