qnx: sigaction: do not set SA_RESTART flag

because it is not available in QNX

Change-Id: I94a7586c148aa4f9b6cd6fef98a8637e7fea717c
Signed-off-by: Timo Wischer <twischer@de.adit-jv.com>

common/JackControlAPI.cpp

@@ -663,7 +663,10 @@ jackctl_setup_signals(
     sigfillset(&allsignals);
     action.sa_handler = signal_handler;
     action.sa_mask = allsignals;
-    action.sa_flags = SA_RESTART|SA_RESETHAND;
+    action.sa_flags = SA_RESETHAND;
+#ifndef __QNXNTO__
+    action.sa_flags |= SA_RESTART;
+#endif
 
     for (i = 1; i < NSIG; i++)
     {

common/netjack_packet.c

@@ -428,7 +428,9 @@ netjack_poll (int sockfd, int timeout)
 
     action.sa_handler = SIG_DFL;
     action.sa_mask = sigmask;
+#ifndef __QNXNTO__
     action.sa_flags = SA_RESTART;
+#endif
 
     for (i = 1; i < NSIG; i++)
         if (sigismember (&sigmask, i))