[ovs-dev] Changing proc title on FreeBSD
blp at nicira.com
Wed Oct 10 14:50:32 UTC 2012
On Wed, Oct 10, 2012 at 09:34:29AM -0400, Ed Maste wrote:
> On 9 October 2012 18:07, Ben Pfaff <blp at nicira.com> wrote:
> > On Tue, Oct 09, 2012 at 06:03:32PM -0400, Ed Maste wrote:
> >> Interesting - I didn't notice this code before.
> >> On FreeBSD we have setproctitle(const char *fmt, ...) for this
> >> functionality, which has the same interface as proctitle_set.
> >> Unfortunately there's no decent way to pass the varargs through.
> >> I could add an #elif defined(__FreeBSD__) case to command-line.c and
> >> use a temporary buffer in my proctitle_set implementation, or could
> >> just #define proctitle_set setproctitle in command-line.h. Thoughts
> >> on which is preferable?
> > I'm happy enough with the latter; it's simpler, as long as it works.
> Ahh, so there's one small caveat. setproctitle internally prepends
> the "program_name: " to the provided string so the resulting proctitle
> ends up like:
> ovs-vswitchd: ovs-vswitchd: worker process for pid 24853 (ovs-vswitchd)
> The current proctitle_set callers already use this format and it seems
> to be a reasonable restriction, so it would be possible to move the
> program_name logic into proctitle_set for Linux as well. If that's
> undesirable I'll use temporary buffer in the FreeBSD implementation
> and strip the program name back off before calling setproctitle.
It's OK with me to modify proctitle_set to use the setproctitle
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