Doug White escribió:
On Tue, 4 Jan 2005, Jose M Rodriguez wrote:
Hi,
trying to import foomatic-rip, I found great changes under /dev/fd/
going from RELENG_4 to RELENG_5.
Seems that /dev/fd/3 is used by several pipe construct like foomatic-rip
to get a free backwards error channel.
Digging a bit, I found that now, I need mount fdescfs to get this. I
think this is not well documented in release notes.
Nothing in the FreeBSD base system depends on /dev/fd. foomatic-rip a
third-party program. It would be appropriate for the port to print a
message reminding the user to mount fdescfs if they plan to use this
application, but not appropriate to enable it by default just for this one
port.
Also, seems that support /dev/fd/3 in devfs may be a good idea. Add a
sysctl to control how many /dev/fd/n devfs create will be even better.
fdesc is populated automatically based on the calling program. If the
program has file descriptor 3 open then /dev/fd/3 will be available.
Likewise, if it is closed, /dev/fd/3 will not exist.
Yes, but with fdescfs mounted, not with only devfs. This is not a so
clean change from RELENG_4 to RELENG_5. I think this need a simple note
on release docs.
--
josemi
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