none/tests/darwin/bug254164.c

   1 // Small test program to demonstrate Valgrind bug.
   2 // https://bugs.kde.org/show_bug.cgi?id=254164
   3
   4
   5 #include <stdio.h>
   6 #include <sys/resource.h>
   7
   8 #include <unistd.h>
   9 #include <stdio.h>
  10 #include <stdlib.h>
  11 #include <sys/types.h>
  12 #include <sys/sysctl.h>
  13 #include <mach/task.h>
  14 #include <mach/mach_init.h>
  15
  16 void getres(task_t task, unsigned int *rss, unsigned int *vs)
  17 {
  18     struct task_basic_info t_info;
  19     mach_msg_type_number_t t_info_count = TASK_BASIC_INFO_COUNT;
  20
  21     task_info(task, TASK_BASIC_INFO, (task_info_t)&t_info, &t_info_count);
  22     *rss = t_info.resident_size;
  23     *vs = t_info.virtual_size;
  24 }
  25
  26 /** It appears task_set_info() is a deprecated interface on modern Darwin
  27   * Per comments in osfmk/kern/task.c:
  28   *
  29   *   This routine was added, pretty much exclusively, for registering the
  30   *   RPC glue vector for in-kernel short circuited tasks. Rather than
  31   *   removing it completely, I have only disabled that feature (which was
  32   *   the only feature at the time).
  33   */
  34 /**
  35 void setres(task_t task)
  36 {
  37     struct task_trace_memory_info t_info;
  38     mach_msg_type_number_t t_info_count = TASK_TRACE_MEMORY_INFO_COUNT;
  39
  40     t_info.user_memory_address = NULL;
  41     t_info.buffer_size = 0;
  42     t_info.mailbox_array_size = 0;
  43
  44     task_set_info(task, TASK_TRACE_MEMORY_INFO, (task_info_t)&t_info, &t_info_count);
  45 }
  46  */
  47
  48 int main(void)
  49 {
  50     unsigned int rss, vs;
  51     task_t task = MACH_PORT_NULL;
  52
  53     if (task_for_pid(current_task(), getpid(), &task) != KERN_SUCCESS)
  54         abort();
  55
  56     getres(task, &rss, &vs);
  57     //setres(task);
  58
  59     return 0;
  60 }
  61