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Is SEM_UNDO problem fixed (in v 1.5.11)?
- From: D L <jhnlmn at yahoo dot com>
- To: cygwin at cygwin dot com
- Date: Thu, 28 Oct 2004 16:46:42 -0700 (PDT)
- Subject: Is SEM_UNDO problem fixed (in v 1.5.11)?
I am calling semop to increment or decrement
an IPC semaphore with SEM_UNDO. Then I abort
the process using Ctrl+C and check the semaphore
status. I expect the effect of the semop
to be undone at that point, but it is not.
It is either a bug or I am doing something wrong.
I see that the problem with SEM_UNDO was already
reported and on 2 Mar 2004 Corinna Vinschen wrote:
"Yes, it's a bug in Cygserver. "
"I've checked in a fix to Cygserver."
I am using cygserver: (cygwin) 1.10
API version 1.5.11(0.116/4/1)-(18.104.22.168) 2004-09-04
So, my question is whether the SEM_UNDO was indeed
fixed and, whether it was recently tested and, if yes,
how to use it properly to have the result of semop
undone on process exit/abort.
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