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| author | Pierre Peiffer | 2008-04-29 10:00:49 +0200 |
|---|---|---|
| committer | Linus Torvalds | 2008-04-29 17:06:13 +0200 |
| commit | 522bb2a2b420a0c1d0fcd037aa4e1bb9e2bca447 (patch) | |
| tree | 6023efd860b807e7d50a20eebeaebe3e21d0285b /ipc/msg.c | |
| parent | IPC/message queues: introduce msgctl_down (diff) | |
| download | kernel-qcow2-linux-522bb2a2b420a0c1d0fcd037aa4e1bb9e2bca447.tar.gz kernel-qcow2-linux-522bb2a2b420a0c1d0fcd037aa4e1bb9e2bca447.tar.xz kernel-qcow2-linux-522bb2a2b420a0c1d0fcd037aa4e1bb9e2bca447.zip | |
IPC/semaphores: move the rwmutex handling inside semctl_down
semctl_down is called with the rwmutex (the one which protects the list of
ipcs) taken in write mode.
This patch moves this rwmutex taken in write-mode inside semctl_down.
This has the advantages of reducing a little bit the window during which this
rwmutex is taken, clarifying sys_semctl, and finally of having a coherent
behaviour with [shm|msg]ctl_down
Signed-off-by: Pierre Peiffer <pierre.peiffer@bull.net>
Acked-by: Serge Hallyn <serue@us.ibm.com>
Cc: Nadia Derbey <Nadia.Derbey@bull.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'ipc/msg.c')
0 files changed, 0 insertions, 0 deletions