Initial revision

lang/cem/libcc.ansi/time/clock.c

@@ -0,0 +1,19 @@
+/*
+ * clock - determine the processor time used
+ */
+/* $Header$ */
+
+#include	<time.h>
+#include	<sys/time.h>
+#include	<sys/resource.h>
+
+clock_t
+clock(void)
+{
+	struct rusage rusage;
+
+	getrusage(RUSAGE_SELF, &rusage);
+
+	return (((unsigned long)rusage.ru_utime.tv_sec * CLK_TCK)
+		    + rusage.ru_utime.tv_usec);
+}