$NetBSD: patch-ak,v 1.1 2013/06/17 12:43:28 wiz Exp $
--- libgc/pthread_support.c.orig	2011-01-04 19:39:55.000000000 +0200
+++ libgc/pthread_support.c	2011-03-17 16:14:10.000000000 +0200
@@ -68,8 +68,8 @@
 
 # if (defined(GC_DGUX386_THREADS) || defined(GC_OSF1_THREADS) || \
       defined(GC_DARWIN_THREADS) || defined(GC_AIX_THREADS)) || \
-      defined(GC_NETBSD_THREADS) && !defined(USE_PTHREAD_SPECIFIC) || \
-      defined(GC_OPENBSD_THREADS)
+      defined(GC_NETBSD_THREADS) && !defined(USE_PTHREAD_SPECIFIC) && \
+      !defined(USE_COMPILER_TLS) || defined(GC_OPENBSD_THREADS)
 #   define USE_PTHREAD_SPECIFIC
 # endif
 
@@ -1175,6 +1175,22 @@
 #define __d10_sleep sleep
 #endif /* GC_DGUX386_THREADS */
 
+#undef nanosleep
+#undef usleep
+#undef sleep
+
+/* A wrapper for the standard C nanosleep function     */
+int WRAP_FUNC(nanosleep) (const struct timespec *rqtp, struct timespec *rmtp)
+{
+    int result;
+
+    GC_start_blocking();
+    result = REAL_FUNC(nanosleep)(rqtp, rmtp);
+    GC_end_blocking();
+
+    return result;
+}
+
 /* A wrapper for the standard C sleep function	*/
 int WRAP_FUNC(sleep) (unsigned int seconds)
 {