syscalls/sched_getattr.c

   1 /*
   2  * SYSCALL_DEFINE3(sched_getattr, pid_t, pid, struct sched_attr __user *, uattr, unsigned int, size)
   3  */
   4 #include <stdlib.h>
   5 #include "arch.h"
   6 #include "sanitise.h"
   7 #include "shm.h"
   8
   9 #define SCHED_ATTR_SIZE_VER0    48
  10
  11 static void sanitise_sched_getattr(int childno)
  12 {
  13         unsigned long range = page_size - SCHED_ATTR_SIZE_VER0;
  14
  15         shm->syscall[childno].a3 = (rand() % range) + SCHED_ATTR_SIZE_VER0;
  16 }
  17
  18 struct syscallentry syscall_sched_getattr = {
  19         .name = "sched_getattr",
  20         .num_args = 3,
  21         .arg1name = "pid",
  22         .arg1type = ARG_PID,
  23         .arg2name = "param",
  24         .arg2type = ARG_ADDRESS,
  25         .arg3name = "size",
  26         .sanitise = sanitise_sched_getattr,
  27 };