Enable zygote manager by default.

base/process_util.h

 // Copyright (c) 2009 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.
 
 // This file/namespace contains utility functions for enumerating, ending and
 // computing statistics of processes.
 
 #ifndef BASE_PROCESS_UTIL_H_
 #define BASE_PROCESS_UTIL_H_
 
 #include "base/basictypes.h"
 
 #if defined(OS_WIN)
 #include <windows.h>
 #include <tlhelp32.h>
 #elif defined(OS_LINUX)
 #include <dirent.h>
 #include <limits.h>
 #include <sys/types.h>
 #endif
 
 #include <string>
 #include <vector>
 
 #include "base/command_line.h"
+#include "base/file_path.h"
 #include "base/process.h"
 
 #if defined(OS_WIN)
 typedef PROCESSENTRY32 ProcessEntry;
 typedef IO_COUNTERS IoCounters;
 #elif defined(OS_POSIX)
 // TODO(port): we should not rely on a Win32 structure.
 struct ProcessEntry {
   int pid;
   int ppid;
@@ skipping 44 matching lines @@
 bool OpenPrivilegedProcessHandle(ProcessId pid, ProcessHandle* handle);
 
 // Closes the process handle opened by OpenProcessHandle.
 void CloseProcessHandle(ProcessHandle process);
 
 // Returns the unique ID for the specified process. This is functionally the
 // same as Windows' GetProcessId(), but works on versions of Windows before
 // Win XP SP1 as well.
 ProcessId GetProcId(ProcessHandle process);
 
+#if defined(OS_LINUX)
+// Returns the ID for the parent of the given process.
+ProcessId GetParentProcessId(ProcessHandle process);
+
+// Returns the path to the executable of the given process.
+FilePath GetProcessExecutablePath(ProcessHandle process);
+#endif
+
 #if defined(OS_POSIX)
 // Sets all file descriptors to close on exec except for stdin, stdout
 // and stderr.
 // TODO(agl): remove this function
 // WARNING: do not use. It's inherently race-prone in the face of
 // multi-threading.
 void SetAllFDsToCloseOnExec();
 // Close all file descriptors, expect those which are a destination in the
 // given multimap. Only call this function in a child process where you know
 // that there aren't any other threads.
@@ skipping 291 matching lines @@
 // overflow. Has no effect if the OS doesn't provide the necessary facility.
 void EnableTerminationOnHeapCorruption();
 
 // If supported on the platform, and the user has sufficent rights, increase
 // the current process's scheduling priority to a high priority.
 void RaiseProcessToHighPriority();
 
 }  // namespace base
 
 #endif  // BASE_PROCESS_UTIL_H_