tests/mach_port_insert_right.c

   1 #include <stdio.h>
   2 #include <mach/mach.h>
   3 #include <mach/message.h>
   4 #include <darwintest.h>
   5
   6 T_GLOBAL_META(T_META_RUN_CONCURRENTLY(true));
   7
   8 static inline mach_port_type_t
   9 get_port_type(mach_port_t mp)
  10 {
  11         mach_port_type_t type;
  12         T_QUIET;
  13         T_ASSERT_MACH_SUCCESS(mach_port_type(mach_task_self(), mp, &type),
  14             "mach_port_type(mP)");
  15         return type;
  16 }
  17
  18 T_DECL(mach_port_insert_right, "insert send right for an existing right", T_META_CHECK_LEAKS(false))
  19 {
  20         mach_port_t port = MACH_PORT_NULL;
  21         mach_port_t port2 = MACH_PORT_NULL;
  22         kern_return_t retval;
  23
  24         mach_port_t task = mach_task_self();
  25
  26         retval = mach_port_allocate(task, MACH_PORT_RIGHT_RECEIVE, &port);
  27         T_ASSERT_MACH_SUCCESS(retval, "allocate a port=[%d]", port);
  28
  29         T_ASSERT_EQ(get_port_type(port), MACH_PORT_TYPE_RECEIVE,
  30             "0x%x should be a receive right", port);
  31
  32         retval = mach_port_insert_right(task, port, port, MACH_MSG_TYPE_MAKE_SEND);
  33         T_ASSERT_MACH_SUCCESS(retval, "insert a send right for port=[%d] with name=[%d]", port, port);
  34         T_ASSERT_EQ(get_port_type(port), MACH_PORT_TYPE_RECEIVE | MACH_PORT_TYPE_SEND,
  35             "0x%x should be a send-receive right", port);
  36
  37         mach_port_name_t name = 123;
  38
  39         retval = mach_port_insert_right(task, name, port, MACH_MSG_TYPE_MAKE_SEND);
  40         T_ASSERT_MACH_ERROR(retval, KERN_FAILURE, "insert a send right for port=[%d] with name=[%d]", port, name);
  41
  42         name = port + 1;
  43         retval = mach_port_insert_right(task, name, port, MACH_MSG_TYPE_MAKE_SEND);
  44         T_ASSERT_MACH_ERROR(retval, KERN_FAILURE, "insert a send right for port=[%d] with name=[%d]", port, name);
  45
  46         retval = mach_port_allocate(task, MACH_PORT_RIGHT_RECEIVE, &port2);
  47         T_ASSERT_MACH_SUCCESS(retval, "allocate a port=[%d]", port2);
  48
  49         T_ASSERT_EQ(get_port_type(port2), MACH_PORT_TYPE_RECEIVE,
  50             "0x%x should be a receive right", port2);
  51
  52         name = port;
  53         retval = mach_port_insert_right(task, name, port2, MACH_MSG_TYPE_MAKE_SEND);
  54         T_ASSERT_MACH_ERROR(retval, KERN_RIGHT_EXISTS, "insert a send right for port=[%d] with name=[%d]", port2, name);
  55 }