merge of use-diet branch to trunk

[oota-llvm.git] / include / llvm / System / Process.h

diff --git a/include/llvm/System/Process.h b/include/llvm/System/Process.h
index 80fadbad6c8032089ea03d6c4bfa8008df429b40..f98a3612c6c7c516c0e0c3343a8f696e3e62d822 100644 (file)
--- a/include/llvm/System/Process.h
+++ b/include/llvm/System/Process.h
@@ -1,10 +1,10 @@
 //===- llvm/System/Process.h ------------------------------------*- C++ -*-===//
-// 
+//
 //                     The LLVM Compiler Infrastructure
 //
-// This file was developed by Reid Spencer and is distributed under the 
-// University of Illinois Open Source License. See LICENSE.TXT for details.
-// 
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
 //===----------------------------------------------------------------------===//
 //
 // This file declares the llvm::sys::Process class.
@@ -20,7 +20,7 @@ namespace llvm {
 namespace sys {
 
   /// This class provides an abstraction for getting information about the
-  /// currently executing process. 
+  /// currently executing process.
   /// @since 1.4
   /// @brief An abstraction for operating system processes.
   class Process {
@@ -36,20 +36,20 @@ namespace sys {
 
       /// This static function will return the total amount of memory allocated
       /// by the process. This only counts the memory allocated via the malloc,
-      /// calloc and realloc functions and includes any "free" holes in the 
-      /// allocated space. 
+      /// calloc and realloc functions and includes any "free" holes in the
+      /// allocated space.
       /// @throws nothing
       /// @brief Return process memory usage.
       static size_t GetMallocUsage();
 
-      /// This static function will return the total memory usage of the 
+      /// This static function will return the total memory usage of the
       /// process. This includes code, data, stack and mapped pages usage. Notei
       /// that the value returned here is not necessarily the Running Set Size,
       /// it is the total virtual memory usage, regardless of mapped state of
       /// that memory.
       static size_t GetTotalMemoryUsage();
 
-      /// This static function will set \p user_time to the amount of CPU time 
+      /// This static function will set \p user_time to the amount of CPU time
       /// spent in user (non-kernel) mode and \p sys_time to the amount of CPU
       /// time spent in system (kernel) mode.  If the operating system does not
       /// support collection of these metrics, a zero TimeValue will be for both
@@ -57,14 +57,24 @@ namespace sys {
       static void GetTimeUsage(
         TimeValue& elapsed,
           ///< Returns the TimeValue::now() giving current time
-        TimeValue& user_time, 
+        TimeValue& user_time,
           ///< Returns the current amount of user time for the process
         TimeValue& sys_time
           ///< Returns the current amount of system time for the process
       );
 
-      /// This function makes the necessary calls to the operating system to 
-      /// prevent core files or any other kind of large memory dumps that can 
+      /// This static function will return the process' current user id number.
+      /// Not all operating systems support this feature. Where it is not
+      /// supported, the function should return 65536 as the value.
+      static int GetCurrentUserId();
+
+      /// This static function will return the process' current group id number.
+      /// Not all operating systems support this feature. Where it is not
+      /// supported, the function should return 65536 as the value.
+      static int GetCurrentGroupId();
+
+      /// This function makes the necessary calls to the operating system to
+      /// prevent core files or any other kind of large memory dumps that can
       /// occur when a program fails.
       /// @brief Prevent core file generation.
       static void PreventCoreFiles();
@@ -74,12 +84,12 @@ namespace sys {
       /// or pipe.
       static bool StandardInIsUserInput();
 
-      /// This function determines if the standard output is connected to a 
+      /// This function determines if the standard output is connected to a
       /// "tty" or "console" window. That is, the output would be displayed to
       /// the user rather than being put on a pipe or stored in a file.
       static bool StandardOutIsDisplayed();
 
-      /// This function determines if the standard error is connected to a 
+      /// This function determines if the standard error is connected to a
       /// "tty" or "console" window. That is, the output would be displayed to
       /// the user rather than being put on a pipe or stored in a file.
       static bool StandardErrIsDisplayed();
@@ -89,6 +99,4 @@ namespace sys {
 }
 }
 
-// vim: sw=2
-
 #endif