1#include <sys/resource.h>
2#include <errno.h>
3#include "syscall.h"
4
5#define FIX(x) do{ if ((x)>=SYSCALL_RLIM_INFINITY) (x)=RLIM_INFINITY; }while(0)
6
7int getrlimit(int resource, struct rlimit *rlim)
8{
9 int ret = syscall(SYS_prlimit64, 0, resource, 0, rlim);
10 if (!ret) {
11 FIX(rlim->rlim_cur);
12 FIX(rlim->rlim_max);
13 }
14#ifdef SYS_getrlimit
15 unsigned long k_rlim[2];
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#else
26 return ret;
27#endif
28}