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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 // This file contains Mac-specific utility functions used by multiple test | |
| 6 // suites. | |
| 7 | |
| 8 #ifndef IPC_TEST_UTIL_MAC_H_ | |
| 9 #define IPC_TEST_UTIL_MAC_H_ | |
| 10 | |
| 11 #include <mach/mach.h> | |
| 12 #include <stddef.h> | |
| 13 | |
| 14 #include <string> | |
| 15 | |
| 16 #include "base/mac/scoped_mach_port.h" | |
| 17 | |
| 18 namespace IPC { | |
| 19 | |
| 20 // Returns a random name suitable for Mach Server registration. | |
| 21 std::string CreateRandomServiceName(); | |
| 22 | |
| 23 // Makes the current process into a Mach Server with the given |service_name|. | |
| 24 // Returns a receive right for the service port. | |
| 25 base::mac::ScopedMachReceiveRight BecomeMachServer(const char* service_name); | |
| 26 | |
| 27 // Returns a send right to the service port for the Mach Server with the given | |
| 28 // |service_name|. | |
| 29 base::mac::ScopedMachSendRight LookupServer(const char* service_name); | |
| 30 | |
| 31 // Returns the receive right to a newly minted Mach port. | |
| 32 base::mac::ScopedMachReceiveRight MakeReceivingPort(); | |
| 33 | |
| 34 // Blocks until a Mach message is sent to |port_to_listen_on|. This Mach message | |
| 35 // must contain a Mach port. Returns that Mach port. | |
| 36 base::mac::ScopedMachSendRight ReceiveMachPort(mach_port_t port_to_listen_on); | |
| 37 | |
| 38 // Passes a copy of the send right of |port_to_send| to |receiving_port|, using | |
| 39 // the given |disposition|. | |
| 40 void SendMachPort(mach_port_t receiving_port, | |
| 41 mach_port_t port_to_send, | |
| 42 int disposition); | |
| 43 | |
| 44 // The number of active names in the current task's port name space. | |
| 45 mach_msg_type_number_t GetActiveNameCount(); | |
| 46 | |
| 47 // The number of references the current task has for a given name. | |
| 48 mach_port_urefs_t GetMachRefCount(mach_port_name_t name, | |
| 49 mach_port_right_t right); | |
| 50 | |
| 51 // Increments the ref count for the right/name pair. | |
| 52 void IncrementMachRefCount(mach_port_name_t name, mach_port_right_t right); | |
| 53 | |
| 54 // Gets the current and maximum protection levels of the memory region. | |
| 55 // Returns whether the operation was successful. | |
| 56 // |current| and |max| are output variables only populated on success. | |
| 57 bool GetMachProtections(void* address, size_t size, int* current, int* max); | |
| 58 | |
| 59 } // namespace IPC | |
| 60 | |
| 61 #endif // IPC_TEST_UTIL_MAC_H_ | |
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