FreeBSD implementation of the TimeValue::now() method.

Patch kindly contributed by Jeff Cohen. Thanks Jeff!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16562 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/System/FreeBSD/TimeValue.cpp b/lib/System/FreeBSD/TimeValue.cpp
index 2d77f10..79ed9a8 100644
--- a/lib/System/FreeBSD/TimeValue.cpp
+++ b/lib/System/FreeBSD/TimeValue.cpp
@@ -7,12 +7,13 @@
 // 
 //===----------------------------------------------------------------------===//
 //
-// This file provides the FreeBSD implementation of the TimeValue class.
+// This file provides the FreeBSD specific implementation of the TimeValue class.
 //
 //===----------------------------------------------------------------------===//
 
 // Include the generic Unix implementation
 #include "../Unix/Unix.h"
+#include <sys/time.h>
 
 namespace llvm {
 using namespace sys;
@@ -22,8 +23,18 @@
 //===          and must not be generic UNIX code (see ../Unix/TimeValue.cpp)
 //===----------------------------------------------------------------------===//
 
-// FIXME: Need TimeValue::now()
+TimeValue TimeValue::now() {
+  struct timeval the_time;
+  timerclear(&the_time);
+  if (0 != ::gettimeofday(&the_time,0)) 
+      ThrowErrno("Couldn't obtain time of day");
 
+  return TimeValue(
+    static_cast<TimeValue::SecondsType>( the_time.tv_sec +
+      PosixZeroTime.seconds_ ),
+    static_cast<TimeValue::NanoSecondsType>( the_time.tv_usec * 
+      NANOSECONDS_PER_MICROSECOND ) );
+}
 // vim: sw=2 smartindent smarttab tw=80 autoindent expandtab
 
 }