1 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #include "base/process/process_handle.h"
7 #include <sys/sysctl.h>
10 #include "base/logging.h"
14 ProcessId GetParentProcessId(ProcessHandle process) {
15 struct kinfo_proc info;
16 size_t length = sizeof(struct kinfo_proc);
17 int mib[4] = { CTL_KERN, KERN_PROC, KERN_PROC_PID, process };
18 if (sysctl(mib, 4, &info, &length, NULL, 0) < 0) {
19 DPLOG(ERROR) << "sysctl";
24 return info.kp_eproc.e_ppid;