mac: Add auto-close and share-read-only functionality to SharedMemory.

ipc/attachment_broker_privileged_mac_unittest.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ipc/attachment_broker_privileged_mac.h"
 
 #include <mach/mach.h>
 #include <mach/mach_vm.h>
 
 #include <map>
 
 #include "base/command_line.h"
+#include "base/mac/mac_util.h"
 #include "base/mac/mach_logging.h"
 #include "base/mac/scoped_mach_port.h"
 #include "base/memory/shared_memory.h"
 #include "base/process/port_provider_mac.h"
 #include "base/process/process_handle.h"
 #include "base/sys_info.h"
 #include "base/test/multiprocess_test.h"
 #include "base/test/test_timeouts.h"
 #include "ipc/test_util_mac.h"
 #include "testing/multiprocess_func_list.h"
@@ skipping 135 matching lines @@
   // Child process's task port.
   base::mac::ScopedMachSendRight client_task_port_;
 
   base::Process child_process_;
   DISALLOW_COPY_AND_ASSIGN(AttachmentBrokerPrivilegedMacMultiProcessTest);
 };
 
 // The attachment broker inserts a right for a memory object into the
 // destination task.
 TEST_F(AttachmentBrokerPrivilegedMacMultiProcessTest, InsertRight) {
+  // Mach-based SharedMemory isn't support on OSX 10.6.
+  if (base::mac::IsOSSnowLeopard())
+    return;
+
   SetUpChild("InsertRightClient");
   mach_msg_type_number_t original_name_count = GetActiveNameCount();
   IPC::AttachmentBrokerPrivilegedMac broker(nullptr);
 
   // Create some shared memory.
   scoped_ptr<base::SharedMemory> shared_memory =
       CreateAndPopulateSharedMemoryHandle(s_memory_size);
   ASSERT_TRUE(shared_memory->handle().IsValid());
 
   // Insert the memory object into the destination task, via an intermediate
@@ skipping 43 matching lines @@
   // Check that no names have been leaked.
   shared_memory.reset();
   EXPECT_EQ(original_name_count, GetActiveNameCount());
 
   return 0;
 }
 
 // The attachment broker inserts the right for a memory object into the
 // destination task twice.
 TEST_F(AttachmentBrokerPrivilegedMacMultiProcessTest, InsertSameRightTwice) {
+  // Mach-based SharedMemory isn't support on OSX 10.6.
+  if (base::mac::IsOSSnowLeopard())
+    return;
+
   SetUpChild("InsertSameRightTwiceClient");
   mach_msg_type_number_t original_name_count = GetActiveNameCount();
   IPC::AttachmentBrokerPrivilegedMac broker(nullptr);
 
   // Create some shared memory.
   scoped_ptr<base::SharedMemory> shared_memory =
       CreateAndPopulateSharedMemoryHandle(s_memory_size);
   ASSERT_TRUE(shared_memory->handle().IsValid());
 
   // Insert the memory object into the destination task, via an intermediate
@@ skipping 72 matching lines @@
   // as if no names were ever inserted
   shared_memory2.reset();
   EXPECT_EQ(original_name_count, GetActiveNameCount());
 
   return 0;
 }
 
 // The attachment broker inserts the rights for two memory objects into the
 // destination task.
 TEST_F(AttachmentBrokerPrivilegedMacMultiProcessTest, InsertTwoRights) {
+  // Mach-based SharedMemory isn't support on OSX 10.6.
+  if (base::mac::IsOSSnowLeopard())
+    return;
+
   SetUpChild("InsertTwoRightsClient");
   mach_msg_type_number_t original_name_count = GetActiveNameCount();
   IPC::AttachmentBrokerPrivilegedMac broker(nullptr);
 
   for (int i = 0; i < 2; ++i) {
     // Create some shared memory.
     scoped_ptr<base::SharedMemory> shared_memory =
         CreateAndPopulateSharedMemoryHandle(s_memory_size);
     ASSERT_TRUE(shared_memory->handle().IsValid());
 
@@ skipping 65 matching lines @@
   // After releasing one shared memory region, the name count should decrement.
   shared_memory.reset();
   EXPECT_EQ(original_name_count + 1, GetActiveNameCount());
   shared_memory2.reset();
   EXPECT_EQ(original_name_count, GetActiveNameCount());
 
   return 0;
 }
 
 }  //  namespace IPC