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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 <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 sizeof(struct kinfo_proc), 0 }; | |
| 18 | |
| 19 if (sysctl(mib, arraysize(mib), NULL, &length, NULL, 0) < 0) | |
| 20 return -1; | |
| 21 | |
| 22 mib[5] = (length / sizeof(struct kinfo_proc)); | |
| 23 | |
| 24 if (sysctl(mib, arraysize(mib), &info, &length, NULL, 0) < 0) | |
| 25 return -1; | |
| 26 | |
| 27 return info.p_ppid; | |
| 28 } | |
| 29 | |
| 30 FilePath GetProcessExecutablePath(ProcessHandle process) { | |
| 31 struct kinfo_proc kp; | |
| 32 size_t len; | |
| 33 int mib[] = { CTL_KERN, KERN_PROC, KERN_PROC_PID, process, | |
| 34 sizeof(struct kinfo_proc), 0 }; | |
| 35 | |
| 36 if (sysctl(mib, arraysize(mib), NULL, &len, NULL, 0) == -1) | |
| 37 return FilePath(); | |
| 38 mib[5] = (len / sizeof(struct kinfo_proc)); | |
| 39 if (sysctl(mib, arraysize(mib), &kp, &len, NULL, 0) < 0) | |
| 40 return FilePath(); | |
| 41 if ((kp.p_flag & P_SYSTEM) != 0) | |
| 42 return FilePath(); | |
| 43 if (strcmp(kp.p_comm, "chrome") == 0) | |
| 44 return FilePath(kp.p_comm); | |
| 45 | |
| 46 return FilePath(); | |
| 47 } | |
| 48 | |
| 49 } // namespace base | |
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