Index: libcfa/src/concurrency/preemption.cfa
===================================================================
--- libcfa/src/concurrency/preemption.cfa	(revision a80db979cd09047c5f13c071546348fc4f195b56)
+++ libcfa/src/concurrency/preemption.cfa	(revision 6047b008bf08ee8a70f0827c3ab59cb8fa9f4d24)
@@ -585,6 +585,6 @@
 
 	// Setup proper signal handlers
-	__cfaabi_sigaction( SIGUSR1, sigHandler_ctxSwitch, SA_SIGINFO | SA_RESTART ); // __cfactx_switch handler
-	__cfaabi_sigaction( SIGALRM, sigHandler_alarm    , SA_SIGINFO | SA_RESTART ); // debug handler
+	__cfaabi_sigaction( SIGUSR1, sigHandler_ctxSwitch, SA_SIGINFO ); // __cfactx_switch handler
+	__cfaabi_sigaction( SIGALRM, sigHandler_alarm    , SA_SIGINFO ); // debug handler
 
 	signal_block( SIGALRM );