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. 4 5 #include "base/process/process_handle.h" 6 7 #include <libproc.h> 8 #include <sys/sysctl.h> 9 #include <sys/types.h> 10 11 #include "base/logging.h" 12 13 namespace base { 14 15 ProcessId GetParentProcessId(ProcessHandle process) { 16 struct kinfo_proc info; 17 size_t length = sizeof(struct kinfo_proc); 18 int mib[4] = { CTL_KERN, KERN_PROC, KERN_PROC_PID, process }; 19 if (sysctl(mib, 4, &info, &length, NULL, 0) < 0) { 20 DPLOG(ERROR) << "sysctl"; 21 return -1; 22 } 23 if (length == 0) 24 return -1; 25 return info.kp_eproc.e_ppid; 26 } 27 28 FilePath GetProcessExecutablePath(ProcessHandle process) { 29 char pathbuf[PROC_PIDPATHINFO_MAXSIZE]; 30 if (!proc_pidpath(process, pathbuf, sizeof(pathbuf))) 31 return FilePath(); 32 33 return FilePath(pathbuf); 34 } 35 36 } // namespace base 37
