On Fri, 12 Dec 2008 22:48:49 +0100 Roland Mainz wrote:
> Glenn Fowler wrote:
> > these aren't errors per se
> > the native system does not have open() semantics for /def/fd/N
> Uhm... Solaris does have /dev/fd/<fd_num> , e.g.
> -- snip --
> $ ls -l /dev/fd/
> total 0
> crw-rw-rw- 1 root root 346, 0 Dec 12 22:47 0
...
> Is there anything special needed ?
the system having /dev/fd/N is one part of it
the other part is, given fd==3 already open for reading, does
fd = open("/dev/fd/3", O_RDONLY);
simply do
fd = dup(3);
if so then 3 and fd will have the same seek offsets
the the open() does a real open then 3 and fd will have
independent file struct with independent seek offsets
or if you really believe the system provides open() semantics
then the test could be flawed
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