Index: libcfa/src/bits/defs.hfa
===================================================================
--- libcfa/src/bits/defs.hfa	(revision 20be7824be588cb516b811f2b84e12e776350a51)
+++ libcfa/src/bits/defs.hfa	(revision 428adbc385306e56a64258b0aab447c8dc5e0b6c)
@@ -21,5 +21,5 @@
 #include <stdint.h>
 #include <assert.h>
-
+#include <signal.h>
 
 #define likely(x)   __builtin_expect(!!(x), 1)
@@ -53,6 +53,6 @@
 	int real_pthread_attr_setstack( pthread_attr_t *attr, void *stackaddr, size_t stacksize );
 	int real_pthread_attr_getstacksize( const pthread_attr_t *attr, size_t *stacksize );
-	//int real_pthread_sigqueue(pthread_t _thread, int sig, const union sigval value);
-	//int real_pthread_sigmask( int /* how */, const sigset_t * /* set */, sigset_t * /* oset */ );
+	int real_pthread_sigqueue(pthread_t _thread, int sig, const union sigval value);
+	int real_pthread_sigmask( int how, const sigset_t *set, sigset_t *oset);
 }
 #endif