Unix Programming - Re: apparent 4 GB memory limit for brk() in solaris 8 on some hardware...?

Author

Re: apparent 4 GB memory limit for brk() in solaris 8 on some hardware...?

Grumble

2005-07-29, 6:01 pm

Stefaan A Eeckels wrote:
> When brk() returns ENOMEM it means that RLIMIT_DATA (the program's
> maximum heap size, set with setrlimit()) would be exceeded. Run the
> following program on the machine on which it works, and the one on
> which it doesn't work, and compare the results:
>
> #include <stdio.h>
> #include <sys/resource.h>
>
> int main() {
>
> struct rlimit rl;
>
> getrlimit(RLIMIT_DATA, &rl);
> printf("Hard limit: 0x%lx (%lu)\nSoft limit: 0x%lx (%lu)\n",
> rl.rlim_max, rl.rlim_max, rl.rlim_cur, rl.rlim_cur);
> return 0;
> }

Would ulimit -a (in bash) provide the same information?