52 lines
1.4 KiB
C++
52 lines
1.4 KiB
C++
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// 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/process/process_handle.h"
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#include "base/stl_util.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 <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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sizeof(struct kinfo_proc), 0 };
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if (sysctl(mib, base::size(mib), NULL, &length, NULL, 0) < 0)
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return -1;
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mib[5] = (length / sizeof(struct kinfo_proc));
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if (sysctl(mib, base::size(mib), &info, &length, NULL, 0) < 0)
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return -1;
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return info.p_ppid;
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}
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FilePath GetProcessExecutablePath(ProcessHandle process) {
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struct kinfo_proc kp;
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size_t len;
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int mib[] = { CTL_KERN, KERN_PROC, KERN_PROC_PID, process,
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sizeof(struct kinfo_proc), 0 };
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if (sysctl(mib, base::size(mib), NULL, &len, NULL, 0) == -1)
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return FilePath();
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mib[5] = (len / sizeof(struct kinfo_proc));
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if (sysctl(mib, base::size(mib), &kp, &len, NULL, 0) < 0)
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return FilePath();
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if ((kp.p_flag & P_SYSTEM) != 0)
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return FilePath();
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if (strcmp(kp.p_comm, "chrome") == 0)
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return FilePath(kp.p_comm);
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return FilePath();
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}
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} // namespace base
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