tests/proc_info_44873309.c

   1 #include <darwintest.h>
   2 #include <mach/mach.h>
   3 #include <mach/mach_types.h>
   4 #include <unistd.h>
   5 #include <sys/types.h>
   6 #include <sys/wait.h>
   7 #include <stdlib.h>
   8
   9 #include <stdio.h>
  10 #include <assert.h>
  11 #include <err.h>
  12 #include <libproc.h>
  13
  14 T_GLOBAL_META(T_META_RUN_CONCURRENTLY(true));
  15
  16 T_DECL(proc_info_44873309, "ensure new proc_pidinfo flavor returns correct table sizes",
  17     T_META_CHECK_LEAKS(false), T_META_ASROOT(true))
  18 {
  19         mach_port_t port;
  20         int retval;
  21
  22         pid_t pid = getpid();
  23         struct proc_ipctableinfo table_info = {};
  24         retval = proc_pidinfo(pid, PROC_PIDIPCTABLEINFO, 0, (void *)&table_info, (uint32_t)sizeof(table_info));
  25         T_WITH_ERRNO; T_EXPECT_GT(retval, 0, "proc_pidinfo(PROC_PIDIPCTABLEINFO) returned %d", retval);
  26         T_EXPECT_EQ(retval, (int)sizeof(table_info), "proc_pidinfo(PROC_PIDIPCTABLEINFO) table_size = %u, table_free = %u",
  27             table_info.table_size, table_info.table_free);
  28
  29         kern_return_t ret = mach_port_allocate(mach_task_self(), MACH_PORT_RIGHT_RECEIVE, &port);
  30         T_ASSERT_MACH_SUCCESS(ret, "mach_port_allocate MACH_PORT_RIGHT_RECEIVE");
  31
  32         struct proc_ipctableinfo table_info2 = {};
  33         retval = proc_pidinfo(pid, PROC_PIDIPCTABLEINFO, 0, (void *)&table_info2, (uint32_t)sizeof(table_info2));
  34         T_WITH_ERRNO; T_EXPECT_GT(retval, 0, "proc_pidinfo(PROC_PIDIPCTABLEINFO) returned %d", retval);
  35         T_EXPECT_EQ(retval, (int)sizeof(table_info2), "proc_pidinfo(PROC_PIDIPCTABLEINFO) table_size2 = %u, table_free2 = %u",
  36             table_info2.table_size, table_info2.table_free);
  37
  38         T_EXPECT_EQ(table_info.table_free, table_info2.table_free + 1, "Comparing the table_free values");
  39 }