Consolidate the implementation of TimeValue::now() for Unix to use the

seemingly ubiquitous gettimeofday(3) call.

llvm-svn: 17813

1 files changed, 13 insertions, 0 deletions

diff --git a/llvm/lib/System/Unix/TimeValue.cpp b/llvm/lib/System/Unix/TimeValue.cpp
index f029f8dadca..6b476c86cad 100644
--- a/llvm/lib/System/Unix/TimeValue.cpp
+++ b/llvm/lib/System/Unix/TimeValue.cpp
@@ -19,6 +19,7 @@
 #include "Unix.h"
 
 #include <time.h>
+#include <sys/time.h>
 
 namespace llvm {
   using namespace sys;
@@ -34,5 +35,17 @@ std::string TimeValue::toString() {
   return result.substr(0,24);
 }
 
+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 ), 
+    static_cast<TimeValue::NanoSecondsType>( the_time.tv_usec * 
+      NANOSECONDS_PER_MICROSECOND ) );
+}
+
 }
 // vim: sw=2 smartindent smarttab tw=80 autoindent expandtab