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 <stddef.h> 9 #include <sys/sysctl.h> 10 #include <sys/types.h> 11 12 #include "base/logging.h" 13 14 namespace base { 15 16 ProcessId GetParentProcessId(ProcessHandle process) { 17 struct kinfo_proc info; 18 size_t length = sizeof(struct kinfo_proc); 19 int mib[4] = { CTL_KERN, KERN_PROC, KERN_PROC_PID, process }; 20 if (sysctl(mib, 4, &info, &length, NULL, 0) < 0) { 21 DPLOG(ERROR) << "sysctl"; 22 return -1; 23 } 24 if (length == 0) 25 return -1; 26 return info.kp_eproc.e_ppid; 27 } 28 29 FilePath GetProcessExecutablePath(ProcessHandle process) { 30 char pathbuf[PROC_PIDPATHINFO_MAXSIZE]; 31 if (!proc_pidpath(process, pathbuf, sizeof(pathbuf))) 32 return FilePath(); 33 34 return FilePath(pathbuf); 35 } 36 37 } // namespace base 38
