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https://github.com/chromium/crashpad.git
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89 lines
2.9 KiB
C++
89 lines
2.9 KiB
C++
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// Copyright 2014 The Crashpad Authors. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "util/mach/bootstrap.h"
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#include <AvailabilityMacros.h>
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#include <servers/bootstrap.h>
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#include "base/basictypes.h"
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#include "base/mac/scoped_mach_port.h"
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#include "util/mac/mac_util.h"
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#if MAC_OS_X_VERSION_MIN_REQUIRED <= MAC_OS_X_VERSION_10_5
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namespace {
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// Wraps bootstrap_register to avoid the deprecation warning. It needs to be
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// used on 10.5.
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kern_return_t BootstrapRegister(mach_port_t bp,
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name_t service_name,
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mach_port_t sp) {
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
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return bootstrap_register(bp, service_name, sp);
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#pragma GCC diagnostic pop
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}
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} // namespace
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#endif
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namespace crashpad {
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kern_return_t BootstrapCheckIn(mach_port_t bp,
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const std::string& service_name,
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mach_port_t* service_port) {
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// bootstrap_check_in (until the 10.6 SDK) and bootstrap_register (all SDKs)
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// are declared with a char* argument, but they don’t actually modify the char
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// data, so this is safe.
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char* service_name_mutable = const_cast<char*>(service_name.c_str());
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kern_return_t kr = bootstrap_check_in(bp, service_name_mutable, service_port);
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#if MAC_OS_X_VERSION_MIN_REQUIRED <= MAC_OS_X_VERSION_10_5
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if (kr == BOOTSTRAP_UNKNOWN_SERVICE && MacOSXMinorVersion() <= 5) {
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// This code path should only be entered on 10.5 or earlier.
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mach_port_t local_service_port;
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kr = mach_port_allocate(
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mach_task_self(), MACH_PORT_RIGHT_RECEIVE, &local_service_port);
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if (kr != KERN_SUCCESS) {
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return kr;
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}
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base::mac::ScopedMachReceiveRight service_port_receive_right_owner(
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local_service_port);
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kr = mach_port_insert_right(mach_task_self(),
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local_service_port,
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local_service_port,
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MACH_MSG_TYPE_MAKE_SEND);
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if (kr != KERN_SUCCESS) {
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return kr;
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}
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base::mac::ScopedMachSendRight service_port_send_right_owner(
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local_service_port);
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kr = BootstrapRegister(bp, service_name_mutable, local_service_port);
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if (kr != BOOTSTRAP_SUCCESS) {
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return kr;
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}
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ignore_result(service_port_receive_right_owner.release());
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*service_port = local_service_port;
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}
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#endif
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return kr;
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}
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} // namespace crashpad
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