LibC: Implement gettimeofday()

userspace/libraries/LibC/CMakeLists.txt

@@ -23,6 +23,7 @@ set(LIBC_SOURCES
 	sys/select.cpp
 	sys/socket.cpp
 	sys/stat.cpp
+	sys/time.cpp
 	sys/wait.cpp
 	termios.cpp
 	time.cpp

userspace/libraries/LibC/sys/time.cpp

@@ -0,0 +1,15 @@
+#include <sys/time.h>
+#include <time.h>
+
+int gettimeofday(struct timeval* __restrict tp, void* __restrict tzp)
+{
+	// If tzp is not a null pointer, the behavior is unspecified.
+	(void)tzp;
+
+	timespec ts;
+	clock_gettime(CLOCK_REALTIME, &ts);
+
+	tp->tv_sec = ts.tv_sec;
+	tp->tv_usec = ts.tv_nsec / 1000;
+	return 0;
+}