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| 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 | |
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