-#include <unistd.h>
+#define _GNU_SOURCE
#include <sys/resource.h>
#include "syscall.h"
-#include "libc.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)
{
- return syscall(SYS_prlimit64, pid, resource, new_limit, 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;
}
-LFS64(prlimit);
+#undef prlimit64
+weak_alias(prlimit, prlimit64);