added msleep() function

util.c

@@ -929,6 +929,32 @@ char *timestring(time_t t)
 	return(TimeBuf);
 }
 
+
+/*******************************************************************
+sleep for a specified number of milliseconds
+********************************************************************/
+void msleep(int t)
+{
+	int tdiff=0;
+	struct timeval tval,t1,t2;  
+
+	gettimeofday(&t1, NULL);
+	gettimeofday(&t2, NULL);
+  
+	while (tdiff < t) {
+		tval.tv_sec = (t-tdiff)/1000;
+		tval.tv_usec = 1000*((t-tdiff)%1000);
+ 
+		errno = 0;
+		select(0,NULL,NULL, NULL, &tval);
+
+		gettimeofday(&t2, NULL);
+		tdiff = (t2.tv_sec - t1.tv_sec)*1000 + 
+			(t2.tv_usec - t1.tv_usec)/1000;
+	}
+}
+
+
 #ifdef __INSURE__
 #include <dlfcn.h>