Hi list,
I run FreeBSD 8.2-STABLE on most of my systems. Some processes like to
use setproctitle(3) to let us sysadmins know what's going on. sendmail
does this, as does ftpd.
The stock top program in FreeBSD has no problems coping with changing
process titles, but htop does, at least on FreeBSD 8.x.
I have tried htop 0.8.3, compiled through FreeBSD ports hierarchy, and
I have tried htop 0.9, compiled by myself after downloading the trunk
subdirectory from the svn repo.
Neither version of htop are able to catch the changing process titles.
What's the status on this issue for other systems, e.g. GNU/Linux,
from which htop originates?
I used the small test program below to compare the behaviour of htop
and the stock top in FreeBSD 8.x. The code below will need to be
tweaked to run on systems other than *BSD.
=== cut ===
// $Ximalas: sleep-setproctitle/sleep-setproctitle.c 10 2011-03-14 14:14:16Z
trond $
#include <sys/param.h>
#include <sys/types.h>
#include <stdio.h>
#include <stdlib.h>
#include <sysexits.h>
#include <unistd.h>
int main(int argc, char **argv)
{
int sleeptime;
setproctitle("starting");
if (argc < 2) {
setproctitle("invalid usage");
fprintf(stderr, "Usage: %s <sleeptime-in-seconds>\n", argv[0]);
return EX_USAGE;
} // if
sleeptime = atoi(argv[1]);
while (sleeptime > 0) {
setproctitle("sleeping for %d second%s", sleeptime, (sleeptime == 1) ? "" :
"s");
sleep(1);
sleeptime--;
} // while
setproctitle("finished");
return EX_OK;
} // main()
// sleep-setproctitle.c
=== cut ===
Trond.
--
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Trond Endrestøl | [email protected]
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