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45 lines
1.0 KiB
C++
45 lines
1.0 KiB
C++
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// Copyright 2013 The Chromium Authors
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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 <stddef.h>
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#include <sys/sysctl.h>
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#include <sys/types.h>
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#include "base/files/file_path.h"
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#include "base/logging.h"
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#include "build/build_config.h"
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#if BUILDFLAG(IS_IOS)
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#include "base/ios/sim_header_shims.h"
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#else
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#include <libproc.h>
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#endif
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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 = sizeof(struct kinfo_proc);
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int mib[4] = { CTL_KERN, KERN_PROC, KERN_PROC_PID, process };
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if (sysctl(mib, 4, &info, &length, NULL, 0) < 0) {
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DPLOG(ERROR) << "sysctl";
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return -1;
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}
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if (length == 0)
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return -1;
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return info.kp_eproc.e_ppid;
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}
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FilePath GetProcessExecutablePath(ProcessHandle process) {
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char pathbuf[PROC_PIDPATHINFO_MAXSIZE];
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if (!proc_pidpath(process, pathbuf, sizeof(pathbuf)))
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return FilePath();
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return FilePath(pathbuf);
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}
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} // namespace base
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