1 // Copyright (c) 2011 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. 4 5 #include "base/process/process_handle.h" 6 7 #include <sys/sysctl.h> 8 #include <sys/types.h> 9 #include <unistd.h> 10 11 namespace base { 12 13 ProcessId GetParentProcessId(ProcessHandle process) { 14 struct kinfo_proc info; 15 size_t length; 16 int mib[] = { CTL_KERN, KERN_PROC, KERN_PROC_PID, process }; 17 18 if (sysctl(mib, arraysize(mib), &info, &length, NULL, 0) < 0) 19 return -1; 20 21 return info.ki_ppid; 22 } 23 24 FilePath GetProcessExecutablePath(ProcessHandle process) { 25 char pathname[PATH_MAX]; 26 size_t length; 27 int mib[] = { CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, process }; 28 29 length = sizeof(pathname); 30 31 if (sysctl(mib, arraysize(mib), pathname, &length, NULL, 0) < 0 || 32 length == 0) { 33 return FilePath(); 34 } 35 36 return FilePath(std::string(pathname)); 37 } 38 39 } // namespace base 40
