Re: setproctitle() no longer used?

On Wed, 10 May 2000, Bruce Momjian wrote:

> > > So if you use -lutil, the argv[0] trick works, and if you don't, it
> > > doesn't?  If so, we can get that into the FreeBSD template.
> > 
> > 'splain the "argv[0] trick" briefly.
> 
> It is a nifty BSD one.  If you assign argv[0] in the program to a
> string, it shows in ps.
> 
>     argv[0] = "new ps string";
> 
> The Linux method is:
> 
>     strcpy(argv[0], "new ps string");
> 
> In the second case, you are actually writing into the environment area
> use to store args.  Not real great, but it works on Linux.

This does not:

#include <stdio.h>
#include <sys/types.h>
#include <libutil.h>


int main(int numargs, char *argv[])
{
int ii;
       argv[0] = "Postgres Power!";
       for(ii=0;ii<100;ii++) sleep(1);

return 0;
}

$ cc test.c -lutil -o test
$ ./test

making it strcpy(argv[0],"Postgres Power!");  didn't either.

But:

making it:  setproctitle("Postgres Power!");  gives this:

34273  p3  S      0:00.00 test: Postgres Power! (test)

Vince.
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