1 files changed, 142 insertions, 0 deletions
diff --git a/ace/Profile_Timer.h b/ace/Profile_Timer.h
new file mode 100644
index 00000000000..4234aef14f6
--- /dev/null
+++ b/ace/Profile_Timer.h
@@ -0,0 +1,142 @@
+/* -*- C++ -*- */
+// $Id$
+
+
+// ============================================================================
+//
+// = LIBRARY
+//    ace
+// 
+// = FILENAME
+//    Profile_Timer.h
+//
+// = AUTHOR
+//    Doug Schmidt 
+// 
+// ============================================================================
+
+#if !defined (ACE_PROFILE_TIMER_H)
+#define ACE_PROFILE_TIMER_H
+
+#include "ace/ACE.h"
+#include "ace/Time_Value.h"
+
+#if !(defined (ACE_HAS_PRUSAGE_T) || defined (ACE_HAS_GETRUSAGE))
+
+class ACE_Export ACE_Profile_Timer
+{
+public:
+  struct ACE_Elapsed_Time
+    {
+      double real_time;
+      double user_time;
+      double system_time;
+    };
+
+  ACE_Profile_Timer (void) {}
+  ~ACE_Profile_Timer (void) {}
+  int  start (void) { errno = ENOTSUP; return -1; }
+  int  stop (void) { errno = ENOTSUP; return -1; }
+  int  elapsed_time (ACE_Elapsed_Time &et) { errno = ENOTSUP; return -1; }
+};
+#else
+class ACE_Export ACE_Profile_Timer
+  // = TITLE
+  //     A C++ wrapper for UNIX interval timers.
+{
+public:
+  struct ACE_Elapsed_Time
+    {
+      double real_time;
+      double user_time;
+      double system_time;
+    };
+
+#if defined (ACE_HAS_PRUSAGE_T)
+    typedef prusage_t Rusage;
+#elif defined (ACE_HAS_GETRUSAGE)
+    typedef rusage Rusage;
+#endif /* ACE_HAS_PRUSAGE_T */
+
+  // = Initialization and termination methods.
+  ACE_Profile_Timer (void);
+  // Default constructor.
+  
+  ~ACE_Profile_Timer (void);
+  // Shutdown the timer.
+
+  // = Timer methods.
+  int start (void);
+  // Activate the timer.
+
+  int stop (void);
+  // Stop the timer.
+
+  // = Resource utilization methods.
+  int elapsed_time (ACE_Elapsed_Time &et);
+  // Compute the time elapsed since <start>.
+
+  void elapsed_rusage (ACE_Profile_Timer::Rusage &rusage);
+  // Compute the amount of resource utilization since the start time. 
+  
+  void get_rusage (ACE_Profile_Timer::Rusage &rusage);
+  // Return the resource utilization (don't recompute it).
+
+  void dump (void) const;
+  // Dump the state of an object.
+
+  ACE_ALLOC_HOOK_DECLARE;
+  // Declare the dynamic allocation hooks.
+
+private:
+  void compute_times (ACE_Elapsed_Time &et);
+  // Compute how much time has elapsed.
+
+  ACE_Profile_Timer::Rusage begin_usage_;
+  // Keep track of the starting resource utilization.
+
+  ACE_Profile_Timer::Rusage end_usage_;
+  // Keep track of the ending resource utilization.
+
+  ACE_Profile_Timer::Rusage last_usage_;
+  // Keep track of the last rusage for incremental timing.
+
+#if defined (ACE_HAS_PRUSAGE_T)
+  void subtract (timestruc_t &tdiff, timestruc_t &t0, timestruc_t &t1);
+  // Substract two timestructs and store their difference.
+
+  ACE_HANDLE proc_handle_;
+  // I/O handle for /proc file system.
+
+#elif defined (ACE_HAS_GETRUSAGE)
+  void subtract (timeval &tdiff, timeval &t0, timeval &t1);
+  // Substract two timestructs and store their difference.
+
+  timeval begin_time_;
+  // Keep track of the beginning time.
+
+  timeval end_time_;
+  // Keep track of the ending time.
+
+  timeval last_time_;
+  // Keep track of the last time for incremental timing.
+#elif defined (ACE_WIN32)
+  ACE_Time_Value begin_time_;
+  // Keep track of the beginning time.
+
+  ACE_Time_Value end_time_;
+  // Keep track of the ending time.
+
+  ACE_Time_Value last_time_;
+  // Keep track of the last time for incremental timing.
+
+#endif /* ACE_HAS_PRUSAGE_T */
+};
+
+#if defined (__ACE_INLINE__)
+#include "ace/Profile_Timer.i"
+#endif /* __ACE_INLINE__ */
+
+#endif /* defined (ACE_HAS_PRUSAGE_T) || defined (ACE_HAS_GETRUSAGE) */
+#endif /* ACE_PROFILE_TIMER_H */
+