| // Copyright (c) 2013 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "base/process/process_handle.h" |
| |
| #include "base/files/file_util.h" |
| #include "base/process/internal_linux.h" |
| |
| namespace base { |
| |
| ProcessId GetParentProcessId(ProcessHandle process) { |
| ProcessId pid = |
| internal::ReadProcStatsAndGetFieldAsInt64(process, internal::VM_PPID); |
| if (pid) |
| return pid; |
| return -1; |
| } |
| |
| FilePath GetProcessExecutablePath(ProcessHandle process) { |
| FilePath stat_file = internal::GetProcPidDir(process).Append("exe"); |
| FilePath exe_name; |
| if (!ReadSymbolicLink(stat_file, &exe_name)) { |
| // No such process. Happens frequently in e.g. TerminateAllChromeProcesses |
| return FilePath(); |
| } |
| return exe_name; |
| } |
| |
| } // namespace base |
