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#define _GNU_SOURCE
#include <sys/resource.h>
#include "syscall.h"
#define FIX(x) do{ if ((x)>=SYSCALL_RLIM_INFINITY) (x)=RLIM_INFINITY; }while(0)
int prlimit(pid_t pid, int resource, const struct rlimit *new_limit, struct rlimit *old_limit)
{
struct rlimit tmp;
int r;
if (new_limit && SYSCALL_RLIM_INFINITY != RLIM_INFINITY) {
tmp = *new_limit;
FIX(tmp.rlim_cur);
FIX(tmp.rlim_max);
new_limit = &tmp;
}
r = syscall(SYS_prlimit64, pid, resource, new_limit, old_limit);
if (!r && old_limit && SYSCALL_RLIM_INFINITY != RLIM_INFINITY) {
FIX(old_limit->rlim_cur);
FIX(old_limit->rlim_max);
}
return r;
}
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