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