40 lines
1.1 KiB
C++
40 lines
1.1 KiB
C++
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// Copyright (c) 2013 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "base/process/process_handle.h"
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#include "base/files/file_util.h"
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#include "base/process/internal_linux.h"
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#if defined(OS_AIX)
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#include "base/process/internal_aix.h"
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#endif
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namespace base {
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ProcessId GetParentProcessId(ProcessHandle process) {
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ProcessId pid =
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#if defined(OS_AIX)
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internalAIX::ReadProcStatsAndGetFieldAsInt64(process,
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internalAIX::VM_PPID);
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#else
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internal::ReadProcStatsAndGetFieldAsInt64(process, internal::VM_PPID);
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#endif
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// TODO(zijiehe): Returns 0 if |process| does not have a parent process.
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if (pid)
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return pid;
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return -1;
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}
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FilePath GetProcessExecutablePath(ProcessHandle process) {
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FilePath stat_file = internal::GetProcPidDir(process).Append("exe");
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FilePath exe_name;
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if (!ReadSymbolicLink(stat_file, &exe_name)) {
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// No such process. Happens frequently in e.g. TerminateAllChromeProcesses
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return FilePath();
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}
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return exe_name;
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}
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} // namespace base
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