Messages in this thread Patch in this message | | | Date | Thu, 12 Jun 2003 16:09:10 -0700 | From | Greg KH <> | Subject | Re: [PATCH] udev enhancements to use kernel event queue |
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On Thu, Jun 12, 2003 at 04:02:47PM -0700, Greg KH wrote: > On Thu, Jun 12, 2003 at 03:51:48PM -0700, Andrew Morton wrote: > > Greg KH <greg@kroah.com> wrote: > > > > > > <handwaving> > > > > heh. > > > > Thought about adding a sequence number to the /sbin/hotplug argument list? > > /me owes you a lot of beer at ols. > > That's a world simpler than my proposal, I think I'll go write that > patch right now...
Pat, here's a patch to add a sequence number to kobject hotplug calls to help userspace out a lot.
thanks,
greg k-h
# kobject: add sequence number to hotplug events to help userspace out.
diff -Nru a/lib/kobject.c b/lib/kobject.c --- a/lib/kobject.c Thu Jun 12 16:05:06 2003 +++ b/lib/kobject.c Thu Jun 12 16:05:06 2003 @@ -100,6 +100,7 @@ #define BUFFER_SIZE 1024 /* should be enough memory for the env */ #define NUM_ENVP 32 /* number of env pointers */ +static unsigned long sequence_num; static void kset_hotplug(const char *action, struct kset *kset, struct kobject *kobj) { @@ -151,6 +152,10 @@ envp [i++] = scratch; scratch += sprintf(scratch, "ACTION=%s", action) + 1; + + envp [i++] = scratch; + scratch += sprintf(scratch, "SEQNUM=%ld", sequence_num) + 1; + ++sequence_num; kobj_path_length = get_kobj_path_length (kset, kobj); kobj_path = kmalloc (kobj_path_length, GFP_KERNEL); - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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