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44 lines
1.0 KiB
C++
44 lines
1.0 KiB
C++
// Copyright (c) 2011 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/macros.h"
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#include "base/process/process_handle.h"
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#include <limits.h>
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#include <stddef.h>
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#include <sys/sysctl.h>
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#include <sys/types.h>
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#include <sys/user.h>
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#include <unistd.h>
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namespace base {
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ProcessId GetParentProcessId(ProcessHandle process) {
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struct kinfo_proc info;
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size_t length;
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int mib[] = { CTL_KERN, KERN_PROC, KERN_PROC_PID, process };
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if (sysctl(mib, arraysize(mib), &info, &length, NULL, 0) < 0)
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return -1;
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return info.ki_ppid;
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}
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FilePath GetProcessExecutablePath(ProcessHandle process) {
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char pathname[PATH_MAX];
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size_t length;
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int mib[] = { CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, process };
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length = sizeof(pathname);
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if (sysctl(mib, arraysize(mib), pathname, &length, NULL, 0) < 0 ||
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length == 0) {
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return FilePath();
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}
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return FilePath(std::string(pathname));
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}
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} // namespace base
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