Revert "Drop 10.5 support: use ServiceManagement.framework directly."

util/mac/service_management.h

 // 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,
@@ skipping 23 matching lines @@
 bool ServiceManagementSubmitJob(CFDictionaryRef job_cf);
 
 //! \brief Removes a job from the user launchd domain as in `SMJobRemove()`.
 //!
 //! \param[in] label The label for the job to remove.
 //! \param[in] wait `true` if this function should block, waiting for the job to
 //!     be removed. `false` if the job may be removed asynchronously.
 //!
 //! \return `true` if the job was removed successfully or if an asynchronous
 //!     attempt to remove the job was started successfully, otherwise `false`.
-//!     Unlike previous systems, on Mac OS X 10.10, this function returns `true`
-//!     even if \a label names a job that does not exist. This is filed as radar
-//!     18268941.
 //!
 //! \note This function is provided because `SMJobRemove()` is deprecated in Mac
-//!     OS X 10.10. It may or may not be implemented using `SMJobRemove()` from
-//!     `ServiceManagement.framework`.
+//!     OS X 10.10. On Mac OS X 10.10, observed in DP8 14A361c, it also blocks
+//!     for far too long (`_block_until_job_exits()` contains a one-second
+//!     `sleep()`, filed as radar 18398683) and does not signal failure via its
+//!     return value when asked to remove a nonexistent job (filed as radar
+//!     18268941).
 bool ServiceManagementRemoveJob(const std::string& label, bool wait);
 
 //! \brief Determines whether a specified job is loaded in the user launchd
 //!     domain.
 //!
 //! \param[in] label The label for the job to look up.
 //!
 //! \return `true` if the job is loaded, otherwise `false`.
 //!
 //! \note A loaded job is not necessarily presently running, nor has it
@@ skipping 11 matching lines @@
 //! \return The job’s process ID if running, otherwise `0`.
 //!
 //! \note This function is provided because `SMJobCopyDictionary()` is
 //!     deprecated in Mac OS X 10.10. It may or may not be implemented using
 //!     `SMJobCopyDictionary()` from `ServiceManagement.framework`.
 pid_t ServiceManagementIsJobRunning(const std::string& label);
 
 }  // namespace crashpad
 
 #endif  // CRASHPAD_UTIL_MAC_SERVICE_MANAGEMENT