Enable systemd integration

[anytun.git] / src / posix / signalHandler.hpp

diff --git a/src/posix/signalHandler.hpp b/src/posix/signalHandler.hpp
index 3851c78..c96a6f6 100644 (file)
--- a/src/posix/signalHandler.hpp
+++ b/src/posix/signalHandler.hpp
@@ -6,12 +6,12 @@
  *  tunnel endpoints.  It has less protocol overhead than IPSec in Tunnel
  *  mode and allows tunneling of every ETHER TYPE protocol (e.g.
  *  ethernet, ip, arp ...). satp directly includes cryptography and
- *  message authentication based on the methodes used by SRTP.  It is
+ *  message authentication based on the methods used by SRTP.  It is
  *  intended to deliver a generic, scaleable and secure solution for
  *  tunneling and relaying of packets of any protocol.
  *
  *
- *  Copyright (C) 2007-2009 Othmar Gsenger, Erwin Nindl, 
+ *  Copyright (C) 2007-2014 Markus Grüneis, Othmar Gsenger, Erwin Nindl,
  *                          Christian Pointner <satp@wirdorange.org>
  *
  *  This file is part of Anytun.
@@ -27,7 +27,20 @@
  *  GNU General Public License for more details.
  *
  *  You should have received a copy of the GNU General Public License
- *  along with anytun.  If not, see <http://www.gnu.org/licenses/>.
+ *  along with Anytun.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ *  In addition, as a special exception, the copyright holders give
+ *  permission to link the code of portions of this program with the
+ *  OpenSSL library under certain conditions as described in each
+ *  individual source file, and distribute linked combinations
+ *  including the two.
+ *  You must obey the GNU General Public License in all respects
+ *  for all of the code used other than OpenSSL.  If you modify
+ *  file(s) with this exception, you may extend this exception to your
+ *  version of the file(s), but you are not obligated to do so.  If you
+ *  do not wish to do so, delete this exception statement from your
+ *  version.  If you delete this exception statement from all source
+ *  files in the program, then also delete it here.
  */
 
 #ifndef ANYTUN_signalHandler_hpp_INCLUDED
@@ -51,7 +64,7 @@ int SigQuitHandler(int /*sig*/, const std::string& /*msg*/)
 
 int SigHupHandler(int /*sig*/, const std::string& /*msg*/)
 {
-  cLog.msg(Log::PRIO_NOTICE) << "SIG-Hup caught"; 
+  cLog.msg(Log::PRIO_NOTICE) << "SIG-Hup caught";
   return 0;
 }
 
@@ -87,7 +100,7 @@ void handleSignal()
   struct timespec timeout;
   sigset_t signal_set;
   int sigNum;
-  while(1) {
+  for(;;) {
     sigemptyset(&signal_set);
     sigaddset(&signal_set, SIGINT);
     sigaddset(&signal_set, SIGQUIT);
@@ -98,10 +111,10 @@ void handleSignal()
     timeout.tv_sec = 1;
     timeout.tv_nsec = 0;
     sigNum = sigtimedwait(&signal_set, NULL, &timeout);
-    if (sigNum == -1) {
-      if (errno != EINTR && errno != EAGAIN) {
-       cLog.msg(Log::PRIO_ERROR) << "sigwait failed with error: \"" << AnytunErrno(errno) << "\" SignalHandling will be disabled";
-       break;
+    if(sigNum == -1) {
+      if(errno != EINTR && errno != EAGAIN) {
+        cLog.msg(Log::PRIO_ERROR) << "sigwait failed with error: \"" << AnytunErrno(errno) << "\" SignalHandling will be disabled";
+        break;
       }
     } else {
       gSignalController.inject(sigNum);
@@ -112,7 +125,7 @@ void handleSignal()
 void registerSignalHandler(SignalController& ctrl, DaemonService& /*service*/)
 {
   sigset_t signal_set;
-  
+
   sigemptyset(&signal_set);
   sigaddset(&signal_set, SIGINT);
   sigaddset(&signal_set, SIGQUIT);
@@ -120,13 +133,13 @@ void registerSignalHandler(SignalController& ctrl, DaemonService& /*service*/)
   sigaddset(&signal_set, SIGTERM);
   sigaddset(&signal_set, SIGUSR1);
   sigaddset(&signal_set, SIGUSR2);
-  
+
 #if defined(BOOST_HAS_PTHREADS)
   pthread_sigmask(SIG_BLOCK, &signal_set, NULL);
 #else
 #error The signalhandler works only with pthreads
 #endif
-  
+
   boost::thread(boost::bind(handleSignal));
 
   ctrl.handler[SIGINT] = boost::bind(SigIntHandler, _1, _2);