On Fri, May 13, 2005 at 08:02:48PM -0400, Ritesh Kumar wrote:
> Thanks for your reply. I actually went ahead after getting your
> mail and coded up a small program to check the stack limit
> deliberately. The program is shown inline.
>
> #include <stdio.h>
>
> #define BUF_SIZE 1024000
>
> void recurse(int n){
> char ch[BUF_SIZE];
> if(n<=0)
> return;
> else
> recurse(n-1);
> }
>
> int main(argc, argv)
> int argc;
> char **argv;
> {
> if(argc!=2){
> printf("Usage: %s <n (megabytes)>\n", argv[0]);
> return 1;
> }
> printf("Checking for %dMB\n", atoi(argv[1]));
> recurse(atoi(argv[1]));
> }
>
> Its a fairly crude way to find out the actual stack limit. Basically,
> the resurse function recurses each time allocating ~1MB of space on
> the stack. The program segfaults exactly at the ulimit -s value of
> stack size on both linux and freebsd. So it does seem that the ulimit
> -s is the value of stack limit used on FreeBSD.
For the main stack sure. But now try to call that recurse in
some other thread.
Jakub
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]