Add vki_itimerspec definition for POSIX timer support.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@2631 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/include/vg_kerneliface.h b/include/vg_kerneliface.h
index 6038623..7dc4825 100644
--- a/include/vg_kerneliface.h
+++ b/include/vg_kerneliface.h
@@ -565,6 +565,11 @@
         long    tv_nsec;        /* nanoseconds */
 };
 
+/* POSIX.1b structure for timer start values and intervals.  */
+struct vki_itimerspec {
+	struct vki_timespec it_interval;
+	struct vki_timespec it_value;
+};
 
 /* STAT stuff 
    from /usr/src/linux-2.4.9-31/include/asm-i386/stat.h */