$OpenBSD$

Index: runtime/druntime/src/core/sys/openbsd/time.d
--- runtime/druntime/src/core/sys/openbsd/time.d.orig
+++ runtime/druntime/src/core/sys/openbsd/time.d
@@ -0,0 +1,19 @@
+//Written in the D programming language
+
+/++
+    D header file for OpenBSD's extensions to POSIX's time.h.
++/
+module core.sys.openbsd.time;
+
+public import core.sys.posix.time;
+
+version (OpenBSD):
+
+    // Definitions Located in src/sys/sys/_time.h file
+    // in OpenBSD source code
+    enum CLOCK_REALTIME             = 0;
+    enum CLOCK_PROCESS_CPUTIME_ID   = 2;
+    enum CLOCK_MONOTONIC            = 3;
+    enum CLOCK_THREAD_CPUTIME_ID    = 4;
+    enum CLOCK_UPTIME               = 5;
+    enum CLOCK_BOOTTIME             = 6;
