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how to use it.
wow, update the docs to keep in line with reality, what a concept...
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the older udev.config file is now called udev.rules.
This allows us to better control configuration values, and move away from
the environment variables.
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it's a bit noisy for the masses...
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that's what it really is.
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catch device name by wildcard to support a whole class of devices
by just one config line like:
REPLACE, KERNEL="tty*", NAME="vc/%n"
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(within the rule type)
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This patch adds -nodefaultlibs to LDFLAGS when compiling udev against
klibc. This fixes the warning that I was getting when using $(LD)=gcc
in the versions after Makefile.klibc disappeared. The problem was that
it was still including a "-lc" in the call to the linker.
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The quick patch I sent you yesterday fixes it in one location, but
there are other points in the library that calls sysfs_get_mnt_path. We
need to address all the areas in the library where paths are used. The
following patch is a band-aid until we can get a proper path management
in the library.
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I'm not sure why ppc is converted to powerpc, it breaks at least $(ARCH)
in klibc.
gcc -dumpmachine
powerpc-suse-linux
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On Tuesday 25 November 2003 00:12, Chris Larson wrote:
> udev fails to compile here unless I'm doing a KLIBC build. The reason
> appears to be that the normal limits.h in the gcc inc dir doesn't pull
> in linux/limits.h, whereas the limits.h out in the klibc include dirs
> does. I'd think it'd be best to add a #include <linux/limits.h> to
> udev.h directly, since it uses PATH_MAX.
No, don't include kernel headers directly if you can avoid it.
The problem you are referring to seems to be with old tool chains,
I have the same symptom with my s390 gcc-2.95/glibc-2.1.3.
Including <sys/param.h> instead of <limits.h> seems to fix it.
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here is a clean-up patch :
* removes sg_err.[ch] deps
* makes sure the core code play nice with klibc
* port the sysfs calls to dlist helpers
* links against udev's sysfs (need libsysfs.a & dlist.a)
* finally define DM_TARGET as "multipath" as Joe posted the code today
(not tested yet)
* push version forward (do you want it in sync with udev version?)
libdevmapper doesn't play well with klibc, so I wasn't able to produce a
static binary yet. Help needed here ... as I don't want to fall back to
merge libdevmapper code in the core.
It compiles here and doesn't segfault.
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I can't build udev with make -j9. Here's a patch to fix it.
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There seems to be a
mismatch in udev and in libsysfs as to what to expect if the mnt point
has a slash on the end or not. If I use the included patch, it breaks
something in udev. If I patch sysfs_get_mnt_path I break udev as well
because what you're expecting. I need to sit down and go through
the library and creaate a rule as to trailing slashes. Adding the env
brought this to light.
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Here's the patch to up the library to the sysfsutils-0_3_0 level. The
following changes:
1) adds class name to sysfs_class_device structure
2) adds bus to sysfs_device
3) gets rid of code that made assumptions as to bus addresses being
unique across buses, which isn't the case.
I still owe you:
1) change getpagesize->sysconf. This is in the CVS tree and part of other
changes we're currently testing. Patch will follow.
2) you need a function to get a sysfs_class_device's parent. We hadn't
considered class devices to have parents, the one example of a multilevel
is the block class. We will add this function and send the patch to you.
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On Monday 24 November 2003 01:29, Greg KH wrote:
> I think with the ability to capture the output of the CALLOUT rule,
> combined with the ability to put format modifiers in the CALLOUT program
> string, we now have everything in place to emulate the existing devfs
> naming scheme. Anyone want to verify this or not?
I would prefer to have the ability of creating partition nodes in devfs
style built-in to udev. Devfs used to call the whole disk e.g.
"/dev/dasd/0123/disk" and the partitions "/dev/dasd/0123/part[1-3]".
This can obviously be done with a CALLOUT rule, but its common enough
to make it a format modifier. AFAIK, this scheme has been used for
ide, scsi and dasd disks, which is about 99% of all disks ever connected
to Linux.
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udev kept on segfaulting when it was in use, and not having the time
(and building it with DEBUG=true showing nothing), I have not tracked it
until tonight. Seems like I made a type-o, and forgotten the ':'
between one line's group and permission parameters. Attached patch
should stop the segfault, and warn at that at least.
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be LSB compliant
Finally the Debian people can get off my back...
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04-udev.8-tweak-numeric-id-text.diff
o change "return value" to "returned string"
o add textual owner/group example for udev.permissions
o mention klibc compile as special case for udev.permissions
o remove duplicated numeric owner clause
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03-udev-test.pl-add-subdir-test.diff
o duplicate existing test and change it to explicitely test the subdir handling
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02-namedev.c-strcat-tweak.diff
o cat the substitution to the already known end of the string instead of searching it another time
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01-overall-whitespace+debug-text-conditioning.diff
o cleanup whitespace
o clarify a few comments
o enclose all printed debug string values in ''
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add a test.all script.
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I found two missing characters and optimized $PWD.
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here is a patch for inserting the callout output into NAME=.
ID= supports the usual wildcard to compare with the output.
I've moved all wildcard matching to a function cause this was the third occurrence.
Also attached is the last whitespace cleanup and debug text corrections.
The callout patch depends on the whitespace patch.
CALLOUT, BUS="usb", PROGRAM="/bin/echo -n return", ID="ret*", NAME="webcam-%c-"
results in:
Nov 21 17:33:51 pim udev[20399]: get_major_minor: found major = 81, minor = 0
Nov 21 17:33:51 pim udev[20399]: exec_callout: callout to '/bin/echo -n return'
Nov 21 17:33:51 pim udev[20399]: exec_callout: callout returned 'return'
Nov 21 17:33:51 pim udev[20399]: get_attr: substitute callout output 'return'
Nov 21 17:33:51 pim udev[20399]: udev_add_device: name = webcam-return-
Nov 21 17:33:51 pim udev[20399]: create_node: mknod(/udev/webcam-return-, 020660, 81, 0)
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attached is the last whitespace cleanup and debug text corrections.
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This only works if you are using glibc.
Patch based on patch from Marco d'Itri <md@Linux.IT>
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Hopefully the klibc_fixups code will not be needed eventually.
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On Wed, Nov 19, Greg KH wrote:
> > I did 'make KLIBC=true' in the current bk tree.
>
> try 'make -f Makefile.klibc' in the current tree. For some reason I
> couldn't figure out how to have Makefile work for both KLIBC=true and
> KLIBC=false. But I didn't try too hard :)
I dont understand that.
please do rm -f Makefile.klibc; apply this patch and tell me what fails.
works for me.
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which blows away my puny shell scripts.
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