Subject: ksh93 problem on opensolaris
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I have been tracking down a problem that only seems to be reproducable
on Solaris.
The problem boils down to the behavior of
llseek(fd, (off_t)0, SEEK_CUR)
On must systems, this just returns the current stream offset.
On solaris, it also seems adds 0 to the current offset and then calls
llseek(fd , current_offset, SEEK_SET)
Now, if another process is using this stream, this presents a
race condition since it might move the stream pointer between
the time that the offset is found and the time the SEEK_SET
is called.
This is what is happening the the case that I am tracking down.
Is there anyway that solaris can change this behavior for offset 0?
David Korn
d...@research.att.com
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