Added and implemented gettimeofday() using real_time_clock_usecs().

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@5278 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/kernel/libroot/posix/sys/Jamfile

@@ -6,6 +6,7 @@ KernelMergeObject posix_sys.o :
 	<$(SOURCE_GRIST)>mkdir.c
  	<$(SOURCE_GRIST)>select.c
  	<$(SOURCE_GRIST)>sysctl.c
+ 	<$(SOURCE_GRIST)>gettimeofday.c
 	:
 	-fPIC -DPIC
 	;
@@ -15,4 +16,5 @@ MergeObjectFromObjects kernel_posix_sys.o :
 	<$(SOURCE_GRIST)>stat.o
 	<$(SOURCE_GRIST)>mkdir.o
  	<$(SOURCE_GRIST)>select.o
+ 	<$(SOURCE_GRIST)>gettimeofday.o
 	;

src/kernel/libroot/posix/sys/gettimeofday.c

@@ -0,0 +1,25 @@
+/* 
+** Copyright 2003, Axel Dörfler, [email protected]. All rights reserved.
+** Distributed under the terms of the OpenBeOS License.
+*/
+
+
+#include <sys/time.h>
+#include <OS.h>
+
+
+int 
+gettimeofday(struct timeval *tv, struct timezone *tz)
+{
+	bigtime_t usecs;
+
+	if (tv == NULL)
+		return 0;
+
+	usecs = real_time_clock_usecs();
+
+	tv->tv_sec = usecs / 1000000;
+	tv->tv_usec = usecs % 1000000;
+
+	return 0;
+}