1#include <sys/resource.h>
2#include <errno.h>
3#include "syscall.h"
4#include "libc.h"
5
6#define FIX(x) do{ if ((x)>=SYSCALL_RLIM_INFINITY) (x)=RLIM_INFINITY; }while(0)
7
8int getrlimit(int resource, struct rlimit *rlim)
9{
10	unsigned long k_rlim[2];
11	int ret = syscall(SYS_prlimit64, 0, resource, 0, rlim);
12	if (!ret) {
13		FIX(rlim->rlim_cur);
14		FIX(rlim->rlim_max);
15	}
16	if (!ret || errno != ENOSYS)
17		return ret;
18	if (syscall(SYS_getrlimit, resource, k_rlim) < 0)
19		return -1;
20	rlim->rlim_cur = k_rlim[0] == -1UL ? RLIM_INFINITY : k_rlim[0];
21	rlim->rlim_max = k_rlim[1] == -1UL ? RLIM_INFINITY : k_rlim[1];
22	FIX(rlim->rlim_cur);
23	FIX(rlim->rlim_max);
24	return 0;
25}
26
27LFS64(getrlimit);
28