1#define _GNU_SOURCE
2#include <sys/resource.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 prlimit(pid_t pid, int resource, const struct rlimit *new_limit, struct rlimit *old_limit)
9{
10	struct rlimit tmp;
11	int r;
12	if (new_limit && SYSCALL_RLIM_INFINITY != RLIM_INFINITY) {
13		tmp = *new_limit;
14		FIX(tmp.rlim_cur);
15		FIX(tmp.rlim_max);
16		new_limit = &tmp;
17	}
18	r = syscall(SYS_prlimit64, pid, resource, new_limit, old_limit);
19	if (!r && old_limit && SYSCALL_RLIM_INFINITY != RLIM_INFINITY) {
20		FIX(old_limit->rlim_cur);
21		FIX(old_limit->rlim_max);
22	}
23	return r;
24}
25
26#undef prlimit64
27LFS64(prlimit);
28