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This reverts commit 63fd3ae47d2513ef4390c3d8c0dde3fa95152480. SMJobRemove() still performs a 1-second sleep() when its |wait| parameter is true. Radar 18398683 is filed. In the mean time, the launchd-based implementation of these functions does not have this undesirable property. The comments have been revised to not reflect operating systems before Mac OS X 10.6. Comments describing bugs in earlier 10.10 seeds that have since been fixed have been removed. TEST=util_test Launchd.*:ServiceManagement.* R=rsesek@chromium.org Review URL: https://codereview.chromium.org/579083003
82 lines
3.3 KiB
C++
82 lines
3.3 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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#ifndef CRASHPAD_UTIL_MAC_SERVICE_MANAGEMENT_H_
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#define CRASHPAD_UTIL_MAC_SERVICE_MANAGEMENT_H_
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#include <CoreFoundation/CoreFoundation.h>
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#include <unistd.h>
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#include <string>
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namespace crashpad {
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//! \brief Submits a job to the user launchd domain as in `SMJobSubmit()`.
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//!
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//! \param[in] job_cf A dictionary describing a job.
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//!
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//! \return `true` if the job was submitted successfully, otherwise `false`.
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//!
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//! \note This function is provided because `SMJobSubmit()` is deprecated in Mac
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//! OS X 10.10. It may or may not be implemented using `SMJobSubmit()` from
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//! `ServiceManagement.framework`.
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bool ServiceManagementSubmitJob(CFDictionaryRef job_cf);
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//! \brief Removes a job from the user launchd domain as in `SMJobRemove()`.
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//!
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//! \param[in] label The label for the job to remove.
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//! \param[in] wait `true` if this function should block, waiting for the job to
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//! be removed. `false` if the job may be removed asynchronously.
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//!
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//! \return `true` if the job was removed successfully or if an asynchronous
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//! attempt to remove the job was started successfully, otherwise `false`.
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//!
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//! \note This function is provided because `SMJobRemove()` is deprecated in Mac
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//! OS X 10.10. On Mac OS X 10.10, observed in DP8 14A361c, it also blocks
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//! for far too long (`_block_until_job_exits()` contains a one-second
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//! `sleep()`, filed as radar 18398683) and does not signal failure via its
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//! return value when asked to remove a nonexistent job (filed as radar
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//! 18268941).
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bool ServiceManagementRemoveJob(const std::string& label, bool wait);
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//! \brief Determines whether a specified job is loaded in the user launchd
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//! domain.
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//!
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//! \param[in] label The label for the job to look up.
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//!
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//! \return `true` if the job is loaded, otherwise `false`.
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//!
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//! \note A loaded job is not necessarily presently running, nor has it
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//! necessarily ever run in the past.
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//! \note This function is provided because `SMJobCopyDictionary()` is
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//! deprecated in Mac OS X 10.10. It may or may not be implemented using
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//! `SMJobCopyDictionary()` from `ServiceManagement.framework`.
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bool ServiceManagementIsJobLoaded(const std::string& label);
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//! \brief Determines whether a specified job is running in the user launchd
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//! domain.
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//!
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//! \param[in] label The label for the job to look up.
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//!
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//! \return The job’s process ID if running, otherwise `0`.
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//!
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//! \note This function is provided because `SMJobCopyDictionary()` is
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//! deprecated in Mac OS X 10.10. It may or may not be implemented using
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//! `SMJobCopyDictionary()` from `ServiceManagement.framework`.
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pid_t ServiceManagementIsJobRunning(const std::string& label);
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} // namespace crashpad
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#endif // CRASHPAD_UTIL_MAC_SERVICE_MANAGEMENT
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