Merge in fixes for SASL.

1 files changed, 73 insertions, 0 deletions

diff --git a/util/signal.hpp b/util/signal.hpp
new file mode 100644
index 00000000..7573fe65
--- /dev/null
+++ b/util/signal.hpp
@@ -0,0 +1,73 @@
+/*  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
+ * 
+ *  libtest
+ *
+ *  Copyright (C) 2011 Data Differential, http://datadifferential.com/
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation; either
+ *  version 3 of the License, or (at your option) any later version.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+
+
+#pragma once 
+
+#include <pthread.h>
+#include <semaphore.h>
+
+namespace datadifferential {
+namespace util {
+
+enum shutdown_t {
+  SHUTDOWN_RUNNING,
+  SHUTDOWN_GRACEFUL,
+  SHUTDOWN_FORCED
+};
+
+class SignalThread {
+  bool _exit_on_signal;
+  sigset_t set;
+  sem_t lock;
+  uint64_t magic_memory;
+  volatile shutdown_t __shutdown;
+  pthread_mutex_t shutdown_mutex;
+  pthread_t thread;
+
+public:
+
+  SignalThread(bool exit_on_signal_arg= false);
+
+  void test();
+  void post();
+  bool setup();
+
+  bool exit_on_signal()
+  {
+    return _exit_on_signal;
+  }
+
+  int wait(int& sig)
+  {
+    return sigwait(&set, &sig);
+  }
+
+  ~SignalThread();
+
+  void set_shutdown(shutdown_t arg);
+  bool is_shutdown();
+  shutdown_t get_shutdown();
+};
+
+} /* namespace util */
+} /* namespace datadifferential */