Don't know about 'do by default', but since command line switches are already being used; '-o', the cost of one more seems slight and reasonably safe as it would be backwardly compatible and forwardly useful...
On Sat, Mar 26, 2011 at 1:13 PM, Neil Van Dyke <[email protected]> wrote: > Greg Hendershott wrote at 03/26/2011 12:14 PM: >> >> $ raco exe -o foo foo.rkt >> $ ./foo & >> $ ps #shows it as "racket" not as "foo". >> $ top #shows it as "racket" not as "foo". >> >> Is there way I can make it show up as "foo"? >> > > You can often do this in C on Unix variants by mutating the string buffers > pointed to by "argv" argument as passed to the "main" function. > To do this for executables created in the manner above, I suspect that > someone would have to modify the C code for Racket, but I have not verified > this. (I started to look at the 5.0.2 code just now, and didn't immediately > see an obvious way without modifying the C code, but I have to run to > something now, so you might see a way if you read through the code.) > > Use this feature with discretion, since the effect can be confusing to > people trying to debug. (Some daemons have been known to abuse this feature > to show application-specific status, preventing you from seeing the original > command line arguments. A colleague once hacked an old Unix game to show up > in the process table as "vi resume" on time-sharing systems, back when > employers were more motivated to keep employees happy.) And exercise the > usual system programming caution, since you don't want to stomp on the wrong > memory here, nor corrupt the info that "ps" and other tools will be looking > at. > > In the case of the original "raco exe" question, perhaps this is something > that Racket should be changed to do by default? I have no opinion on that. > > -- > http://www.neilvandyke.org/ > _________________________________________________ > For list-related administrative tasks: > http://lists.racket-lang.org/listinfo/users > _________________________________________________ For list-related administrative tasks: http://lists.racket-lang.org/listinfo/users
