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b7e4564ff2
a43fee120b10 Sync Mac scopers with upstream Chromium This adapts to updated Mac scopers from Chromium cfd6ed5600d8, including the changes from that commit and Chromium f39d4ffc6c32. R=rsesek@chromium.org Review URL: https://codereview.chromium.org/1565873002 .
137 lines
3.9 KiB
C++
137 lines
3.9 KiB
C++
// 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/mac/service_management.h"
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#include <errno.h>
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#include <launch.h>
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#include "base/mac/scoped_launch_data.h"
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#include "util/mac/launchd.h"
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#include "util/misc/clock.h"
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namespace crashpad {
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namespace {
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launch_data_t LaunchDataDictionaryForJob(const std::string& label) {
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base::mac::ScopedLaunchData request(LaunchDataAlloc(LAUNCH_DATA_DICTIONARY));
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LaunchDataDictInsert(
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request.get(), LaunchDataNewString(label.c_str()), LAUNCH_KEY_GETJOB);
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base::mac::ScopedLaunchData response(LaunchMsg(request.get()));
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if (LaunchDataGetType(response.get()) != LAUNCH_DATA_DICTIONARY) {
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return nullptr;
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}
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return response.release();
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}
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} // namespace
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bool ServiceManagementSubmitJob(CFDictionaryRef job_cf) {
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base::mac::ScopedLaunchData job_launch(CFPropertyToLaunchData(job_cf));
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if (!job_launch.get()) {
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return false;
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}
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base::mac::ScopedLaunchData jobs(LaunchDataAlloc(LAUNCH_DATA_ARRAY));
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LaunchDataArraySetIndex(jobs.get(), job_launch.release(), 0);
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base::mac::ScopedLaunchData request(LaunchDataAlloc(LAUNCH_DATA_DICTIONARY));
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LaunchDataDictInsert(request.get(), jobs.release(), LAUNCH_KEY_SUBMITJOB);
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base::mac::ScopedLaunchData response(LaunchMsg(request.get()));
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if (LaunchDataGetType(response.get()) != LAUNCH_DATA_ARRAY) {
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return false;
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}
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if (LaunchDataArrayGetCount(response.get()) != 1) {
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return false;
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}
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launch_data_t response_element = LaunchDataArrayGetIndex(response.get(), 0);
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if (LaunchDataGetType(response_element) != LAUNCH_DATA_ERRNO) {
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return false;
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}
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int err = LaunchDataGetErrno(response_element);
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if (err != 0) {
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return false;
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}
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return true;
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}
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bool ServiceManagementRemoveJob(const std::string& label, bool wait) {
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base::mac::ScopedLaunchData request(LaunchDataAlloc(LAUNCH_DATA_DICTIONARY));
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LaunchDataDictInsert(
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request.get(), LaunchDataNewString(label.c_str()), LAUNCH_KEY_REMOVEJOB);
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base::mac::ScopedLaunchData response(LaunchMsg(request.get()));
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if (LaunchDataGetType(response.get()) != LAUNCH_DATA_ERRNO) {
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return false;
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}
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int err = LaunchDataGetErrno(response.get());
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if (err == EINPROGRESS) {
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if (wait) {
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// TODO(mark): Use a kqueue to wait for the process to exit. To avoid a
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// race, the kqueue would need to be set up prior to asking launchd to
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// remove the job. Even so, the job’s PID may change between the time it’s
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// obtained and the time the kqueue is set up, so this is nontrivial.
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do {
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SleepNanoseconds(1E5); // 100 microseconds
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} while (ServiceManagementIsJobLoaded(label));
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}
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return true;
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}
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if (err != 0) {
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return false;
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}
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return true;
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}
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bool ServiceManagementIsJobLoaded(const std::string& label) {
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base::mac::ScopedLaunchData dictionary(LaunchDataDictionaryForJob(label));
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if (!dictionary.is_valid()) {
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return false;
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}
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return true;
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}
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pid_t ServiceManagementIsJobRunning(const std::string& label) {
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base::mac::ScopedLaunchData dictionary(LaunchDataDictionaryForJob(label));
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if (!dictionary.is_valid()) {
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return 0;
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}
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launch_data_t pid = LaunchDataDictLookup(dictionary.get(), LAUNCH_JOBKEY_PID);
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if (!pid) {
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return 0;
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}
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if (LaunchDataGetType(pid) != LAUNCH_DATA_INTEGER) {
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return 0;
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}
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return LaunchDataGetInteger(pid);
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}
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} // namespace crashpad
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