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}