remove unnecessary messing with signals from netjack_poll_deadline

git-svn-id: svn+ssh://jackaudio.org/trunk/jack@3744 0c269be4-1314-0410-8aa9-9f06e86f4224

drivers/netjack/netjack_packet.c

@@ -373,12 +373,9 @@ netjack_poll_deadline (int sockfd, jack_time_t deadline)
 {
     struct pollfd fds;
     int i, poll_err = 0;
-    sigset_t sigmask;
-    struct sigaction action;
 #if HAVE_PPOLL
     struct timespec timeout_spec = { 0, 0 };
 #else
-    sigset_t rsigmask;
     int timeout;
 #endif
 
@@ -397,32 +394,14 @@ netjack_poll_deadline (int sockfd, jack_time_t deadline)
     timeout = lrintf( (float)(deadline - now) / 1000.0 );
 #endif
 
-    sigemptyset(&sigmask);
-	sigaddset(&sigmask, SIGHUP);
-	sigaddset(&sigmask, SIGINT);
-	sigaddset(&sigmask, SIGQUIT);
-	sigaddset(&sigmask, SIGPIPE);
-	sigaddset(&sigmask, SIGTERM);
-	sigaddset(&sigmask, SIGUSR1);
-	sigaddset(&sigmask, SIGUSR2);
-
-	action.sa_handler = SIG_DFL;
-	action.sa_mask = sigmask;
-	action.sa_flags = SA_RESTART;
-
-    for (i = 1; i < NSIG; i++)
-        if (sigismember (&sigmask, i))
-            sigaction (i, &action, 0);
 
     fds.fd = sockfd;
     fds.events = POLLIN;
 
 #if HAVE_PPOLL
-    poll_err = ppoll (&fds, 1, &timeout_spec, &sigmask);
+    poll_err = ppoll (&fds, 1, &timeout_spec, NULL);
 #else
-    sigprocmask (SIG_UNBLOCK, &sigmask, &rsigmask);
     poll_err = poll (&fds, 1, timeout);
-    sigprocmask (SIG_SETMASK, &rsigmask, NULL);
 #endif
 
     if (poll_err == -1)