Subject: Re: kern/36153: getrusage(2) not working?
To: None <kern-bug-people@netbsd.org, gnats-admin@netbsd.org,>
From: Juan RP <juan@xtrarom.org>
List: netbsd-bugs
Date: 04/16/2007 11:45:01
The following reply was made to PR kern/36153; it has been noted by GNATS.
From: Juan RP <juan@xtrarom.org>
To: gnats-bugs@NetBSD.org
Cc: netbsd-bugs@netbsd.org
Subject: Re: kern/36153: getrusage(2) not working?
Date: Mon, 16 Apr 2007 13:41:28 +0200
On Mon, 16 Apr 2007 10:45:01 +0000 (UTC)
juan@xtrarom.org wrote:
Erm... that should be getrlimit(2).
Can anyone explain that?
time(cpu-seconds) unlimited
file(blocks) unlimited
coredump(blocks) unlimited
data(kbytes) 524288
stack(kbytes) 4096
lockedmem(kbytes) 669930
memory(kbytes) 1048576
nofiles(descriptors) 64
processes 64
sbsize(bytes) unlimited
$ echo $((536870912/1024))
524288
$ ./setlimit 546870912
rlim_cur (after) =536870912
rlim_max (before) =536870912
Unknown error: 4294967295
$ ./setlimit 526870912
rlim_cur (after) =536870912
rlim_max (before) =536870912
rlim_cur (after) =526870912
rlim_max (before) =536870912
$ ./setlimit 516870912
rlim_cur (after) =536870912
rlim_max (before) =536870912
rlim_cur (after) =516870912
rlim_max (before) =536870912
$
$ cat setlimit.c
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <limits.h>
#include <err.h>
#include <errno.h>
#include <sys/resource.h>
int main(int argc, char **argv)
{
struct rlimit rlim;
char *buf;
int rval = 0;
if (argc != 2)
return EINVAL;
if ((getrlimit(RLIMIT_DATA, &rlim)) < 0)
perror("getrlimit");
printf("rlim_cur (after) =%ld\n", rlim.rlim_cur);
printf("rlim_max (before) =%ld\n", rlim.rlim_max);
rlim.rlim_cur = strtol(argv[1], &buf, 10);
if (*buf != '\0')
err(EINVAL, "not a number");
if ((rval = setrlimit(RLIMIT_DATA, &rlim)) < 0) {
printf("%s\n", strerror(rval));
return rval;
}
if ((getrlimit(RLIMIT_DATA, &rlim)) < 0)
perror("getrlimit");
printf("rlim_cur (after) =%ld\n", rlim.rlim_cur);
printf("rlim_max (before) =%ld\n", rlim.rlim_max);
return 0;
}
ktruss reports:
29237 1 setlimit setrlimit(0x2, 0x7f7fffffe830) = 0
29237 1 setlimit getrlimit(0x2, 0x7f7fffffe830) = 0
--
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