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9c6d190b95
Bug: crashpad:30 Change-Id: Ic5fb5adaaea88e31068b65a3c0dfff65a2a94743 Reviewed-on: https://chromium-review.googlesource.com/470331 Commit-Queue: Joshua Peraza <jperaza@chromium.org> Reviewed-by: Mark Mentovai <mark@chromium.org>
53 lines
1.6 KiB
C++
53 lines
1.6 KiB
C++
// Copyright 2017 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_LINUX_SCOPED_PTRACE_ATTACH_H_
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#define CRASHPAD_UTIL_LINUX_SCOPED_PTRACE_ATTACH_H_
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#include <sys/types.h>
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#include "base/macros.h"
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namespace crashpad {
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//! \brief Maintains a `ptrace()` attachment to a process.
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//!
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//! On destruction, the process will be detached.
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class ScopedPtraceAttach {
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public:
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ScopedPtraceAttach();
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~ScopedPtraceAttach();
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//! \brief Detaches from the process by calling `ptrace()`.
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//!
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//! \return `true` on success. `false` on failure, with a message logged.
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bool Reset();
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//! \brief Detaches from any previously attached process, attaches to the
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//! process with process ID \a pid, and blocks until the target process
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//! has stopped by calling `waitpid()`.
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//!
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//! \return `true` on success. `false` on failure, with a message logged.
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bool ResetAttach(pid_t pid);
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private:
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pid_t pid_;
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DISALLOW_COPY_AND_ASSIGN(ScopedPtraceAttach);
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};
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} // namespace crashpad
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#endif // CRASHPAD_UTIL_LINUX_SCOPED_PTRACE_ATTACH_H_
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