47 lines
1.5 KiB
C++
47 lines
1.5 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_MACH_SCOPED_TASK_SUSPEND_H_
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#define CRASHPAD_UTIL_MACH_SCOPED_TASK_SUSPEND_H_
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#include <mach/mach.h>
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namespace crashpad {
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//! \brief Manages the suspension of another task.
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//!
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//! While an object of this class exists, the other task will be suspended. Once
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//! the object is destroyed, the other task will become eligible for resumption.
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//! Note that suspensions are counted, and the task will not actually resume
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//! unless its suspend count drops to 0.
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//!
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//! Callers should not attempt to suspend the current task (`mach_task_self()`).
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class ScopedTaskSuspend {
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public:
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explicit ScopedTaskSuspend(task_t task);
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ScopedTaskSuspend(const ScopedTaskSuspend&) = delete;
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ScopedTaskSuspend& operator=(const ScopedTaskSuspend&) = delete;
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~ScopedTaskSuspend();
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private:
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task_t task_;
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};
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} // namespace crashpad
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#endif // CRASHPAD_UTIL_MACH_SCOPED_TASK_SUSPEND_H_
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