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