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Unified Diff: third_party/crashpad/crashpad/util/mac/service_management.cc

Issue 1505213004: Copy Crashpad into the Chrome tree instead of importing it via DEPS (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Address review comments, update README.chromium Created 5 years ago
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Index: third_party/crashpad/crashpad/util/mac/service_management.cc
diff --git a/third_party/crashpad/crashpad/util/mac/service_management.cc b/third_party/crashpad/crashpad/util/mac/service_management.cc
new file mode 100644
index 0000000000000000000000000000000000000000..9940006ade7cfef3558eddb3f35a5b2340690a0c
--- /dev/null
+++ b/third_party/crashpad/crashpad/util/mac/service_management.cc
@@ -0,0 +1,136 @@
+// Copyright 2014 The Crashpad Authors. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include "util/mac/service_management.h"
+
+#include <errno.h>
+#include <launch.h>
+
+#include "base/mac/scoped_launch_data.h"
+#include "util/mac/launchd.h"
+#include "util/misc/clock.h"
+
+namespace crashpad {
+
+namespace {
+
+launch_data_t LaunchDataDictionaryForJob(const std::string& label) {
+ base::mac::ScopedLaunchData request(LaunchDataAlloc(LAUNCH_DATA_DICTIONARY));
+ LaunchDataDictInsert(
+ request, LaunchDataNewString(label.c_str()), LAUNCH_KEY_GETJOB);
+
+ base::mac::ScopedLaunchData response(LaunchMsg(request));
+ if (LaunchDataGetType(response) != LAUNCH_DATA_DICTIONARY) {
+ return nullptr;
+ }
+
+ return response.release();
+}
+
+} // namespace
+
+bool ServiceManagementSubmitJob(CFDictionaryRef job_cf) {
+ base::mac::ScopedLaunchData job_launch(CFPropertyToLaunchData(job_cf));
+ if (!job_launch.get()) {
+ return false;
+ }
+
+ base::mac::ScopedLaunchData jobs(LaunchDataAlloc(LAUNCH_DATA_ARRAY));
+ LaunchDataArraySetIndex(jobs, job_launch.release(), 0);
+
+ base::mac::ScopedLaunchData request(LaunchDataAlloc(LAUNCH_DATA_DICTIONARY));
+ LaunchDataDictInsert(request, jobs.release(), LAUNCH_KEY_SUBMITJOB);
+
+ base::mac::ScopedLaunchData response(LaunchMsg(request));
+ if (LaunchDataGetType(response) != LAUNCH_DATA_ARRAY) {
+ return false;
+ }
+
+ if (LaunchDataArrayGetCount(response) != 1) {
+ return false;
+ }
+
+ launch_data_t response_element = LaunchDataArrayGetIndex(response, 0);
+ if (LaunchDataGetType(response_element) != LAUNCH_DATA_ERRNO) {
+ return false;
+ }
+
+ int err = LaunchDataGetErrno(response_element);
+ if (err != 0) {
+ return false;
+ }
+
+ return true;
+}
+
+bool ServiceManagementRemoveJob(const std::string& label, bool wait) {
+ base::mac::ScopedLaunchData request(LaunchDataAlloc(LAUNCH_DATA_DICTIONARY));
+ LaunchDataDictInsert(
+ request, LaunchDataNewString(label.c_str()), LAUNCH_KEY_REMOVEJOB);
+
+ base::mac::ScopedLaunchData response(LaunchMsg(request));
+ if (LaunchDataGetType(response) != LAUNCH_DATA_ERRNO) {
+ return false;
+ }
+
+ int err = LaunchDataGetErrno(response);
+ if (err == EINPROGRESS) {
+ if (wait) {
+ // TODO(mark): Use a kqueue to wait for the process to exit. To avoid a
+ // race, the kqueue would need to be set up prior to asking launchd to
+ // remove the job. Even so, the job’s PID may change between the time it’s
+ // obtained and the time the kqueue is set up, so this is nontrivial.
+ do {
+ SleepNanoseconds(1E5); // 100 microseconds
+ } while (ServiceManagementIsJobLoaded(label));
+ }
+
+ return true;
+ }
+
+ if (err != 0) {
+ return false;
+ }
+
+ return true;
+}
+
+bool ServiceManagementIsJobLoaded(const std::string& label) {
+ base::mac::ScopedLaunchData dictionary(LaunchDataDictionaryForJob(label));
+ if (!dictionary) {
+ return false;
+ }
+
+ return true;
+}
+
+pid_t ServiceManagementIsJobRunning(const std::string& label) {
+ base::mac::ScopedLaunchData dictionary(LaunchDataDictionaryForJob(label));
+ if (!dictionary) {
+ return 0;
+ }
+
+ launch_data_t pid = LaunchDataDictLookup(dictionary, LAUNCH_JOBKEY_PID);
+ if (!pid) {
+ return 0;
+ }
+
+ if (LaunchDataGetType(pid) != LAUNCH_DATA_INTEGER) {
+ return 0;
+ }
+
+ return LaunchDataGetInteger(pid);
+}
+
+} // namespace crashpad

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