Add, test, and use clock utilities

util/mac/service_management.cc

 // 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 <time.h>
 
 #include "base/mac/scoped_launch_data.h"
 #include "util/mac/launchd.h"
+#include "util/misc/clock.h"
 
 namespace {
 
 launch_data_t LaunchDataDictionaryForJob(const std::string& label) {
   base::mac::ScopedLaunchData request(
       launch_data_alloc(LAUNCH_DATA_DICTIONARY));
   launch_data_dict_insert(
       request, launch_data_new_string(label.c_str()), LAUNCH_KEY_GETJOB);
 
   base::mac::ScopedLaunchData response(launch_msg(request));
@@ skipping 56 matching lines @@
   }
 
   int err = launch_data_get_errno(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 {
-        timespec sleep_time;
-        sleep_time.tv_sec = 0;
-        sleep_time.tv_nsec = 1E5;  // 100 microseconds
-        nanosleep(&sleep_time, NULL);
+        SleepNanoseconds(1E5);  // 100 microseconds
       } while (ServiceManagementIsJobLoaded(label));
     }
 
     return true;
   }
 
   if (err != 0) {
     return false;
   }
 
@@ skipping 17 matching lines @@
 
   launch_data_t pid = launch_data_dict_lookup(dictionary, LAUNCH_JOBKEY_PID);
   if (launch_data_get_type(pid) != LAUNCH_DATA_INTEGER) {
     return 0;
   }
 
   return launch_data_get_integer(pid);
 }
 
 }  // namespace crashpad