Add routine to close file descriptors on exec

base/process_util.h

 // Copyright (c) 2006-2008 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_
 
@@ skipping 49 matching lines @@
 
 // Returns the ProcessHandle of the current process.
 ProcessHandle GetCurrentProcessHandle();
 
 // 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.
 int GetProcId(ProcessHandle process);
 
 #if defined(OS_POSIX)
-// Returns the maximum number of files that a process can have open.
-// Returns 0 on error.
-int GetMaxFilesOpenInProcess();
+// Sets all file descriptors to close on exec except for stdin, stdout
+// and stderr.
+void SetAllFDsToCloseOnExec();
 #endif
 
 #if defined(OS_WIN)
 // Runs the given application name with the given command line. Normally, the
 // first command line argument should be the path to the process, and don't
 // forget to quote it.
 //
 // If wait is true, it will block and wait for the other process to finish,
 // otherwise, it will just continue asynchronously.
 //
@@ skipping 253 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_