comparison DEPENDENCIES/generic/include/boost/interprocess/sync/posix/pthread_helpers.hpp @ 16:2665513ce2d3

Add boost headers

+//////////////////////////////////////////////////////////////////////////////
+//
+// (C) Copyright Ion Gaztanaga 2005-2012. Distributed under the Boost
+// Software License, Version 1.0. (See accompanying file
+// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+// See http://www.boost.org/libs/interprocess for documentation.
+//
+//////////////////////////////////////////////////////////////////////////////
+
+#ifndef BOOST_INTERPROCESS_PTHREAD_HELPERS_HPP
+#define BOOST_INTERPROCESS_PTHREAD_HELPERS_HPP
+
+#if (defined _MSC_VER) && (_MSC_VER >= 1200)
+#  pragma once
+#endif
+
+#include <boost/interprocess/detail/config_begin.hpp>
+#include <boost/interprocess/detail/workaround.hpp>
+
+#include <pthread.h>
+#include <errno.h>
+#include <boost/interprocess/exceptions.hpp>
+
+namespace boost {
+namespace interprocess {
+namespace ipcdetail{
+
+   #if defined BOOST_INTERPROCESS_POSIX_PROCESS_SHARED
+
+   //!Makes pthread_mutexattr_t cleanup easy when using exceptions
+   struct mutexattr_wrapper
+   {
+      //!Constructor
+      mutexattr_wrapper(bool recursive = false)
+      {
+         if(pthread_mutexattr_init(&m_attr)!=0 ||
+            pthread_mutexattr_setpshared(&m_attr, PTHREAD_PROCESS_SHARED)!= 0 ||
+             (recursive &&
+              pthread_mutexattr_settype(&m_attr, PTHREAD_MUTEX_RECURSIVE)!= 0 ))
+            throw interprocess_exception("pthread_mutexattr_xxxx failed");
+      }
+
+      //!Destructor
+     ~mutexattr_wrapper()  {  pthread_mutexattr_destroy(&m_attr);  }
+
+      //!This allows using mutexattr_wrapper as pthread_mutexattr_t
+      operator pthread_mutexattr_t&()  {  return m_attr;  }
+
+      pthread_mutexattr_t m_attr;
+   };
+
+   //!Makes pthread_condattr_t cleanup easy when using exceptions
+   struct condattr_wrapper
+   {
+      //!Constructor
+      condattr_wrapper()
+      {
+         if(pthread_condattr_init(&m_attr)!=0 ||
+            pthread_condattr_setpshared(&m_attr, PTHREAD_PROCESS_SHARED)!= 0)
+            throw interprocess_exception("pthread_condattr_xxxx failed");
+      }
+
+      //!Destructor
+     ~condattr_wrapper() { pthread_condattr_destroy(&m_attr); }
+
+      //!This allows using condattr_wrapper as pthread_condattr_t
+      operator pthread_condattr_t&(){  return m_attr;  }
+
+      pthread_condattr_t m_attr;
+   };
+
+   //!Makes initialized pthread_mutex_t cleanup easy when using exceptions
+   class mutex_initializer
+   {
+    public:
+      //!Constructor. Takes interprocess_mutex attributes to initialize the interprocess_mutex
+      mutex_initializer(pthread_mutex_t &mut, pthread_mutexattr_t &mut_attr)
+      : mp_mut(&mut)
+      {
+         if(pthread_mutex_init(mp_mut, &mut_attr) != 0)
+            throw interprocess_exception("pthread_mutex_init failed");
+      }
+
+     ~mutex_initializer() {  if(mp_mut) pthread_mutex_destroy(mp_mut);  }
+
+      void release() {mp_mut = 0; }
+
+    private:
+      pthread_mutex_t *mp_mut;
+   };
+
+   //!Makes initialized pthread_cond_t cleanup easy when using exceptions
+   class condition_initializer
+   {
+    public:
+      condition_initializer(pthread_cond_t &cond, pthread_condattr_t &cond_attr)
+      : mp_cond(&cond)
+      {
+         if(pthread_cond_init(mp_cond, &cond_attr)!= 0)
+            throw interprocess_exception("pthread_cond_init failed");
+      }
+
+     ~condition_initializer()   {  if(mp_cond) pthread_cond_destroy(mp_cond);  }
+
+      void release()       { mp_cond = 0; }
+
+    private:
+      pthread_cond_t *mp_cond;
+   };
+
+   #endif   //   #if defined BOOST_INTERPROCESS_POSIX_PROCESS_SHARED
+
+   #if defined(BOOST_INTERPROCESS_POSIX_BARRIERS) && defined(BOOST_INTERPROCESS_POSIX_PROCESS_SHARED)
+
+   //!Makes pthread_barrierattr_t cleanup easy when using exceptions
+   struct barrierattr_wrapper
+   {
+      //!Constructor
+      barrierattr_wrapper()
+      {
+         if(pthread_barrierattr_init(&m_attr)!=0 ||
+            pthread_barrierattr_setpshared(&m_attr, PTHREAD_PROCESS_SHARED)!= 0)
+            throw interprocess_exception("pthread_barrierattr_xxx failed");
+      }
+
+      //!Destructor
+     ~barrierattr_wrapper()  {  pthread_barrierattr_destroy(&m_attr);  }
+
+      //!This allows using mutexattr_wrapper as pthread_barrierattr_t
+      operator pthread_barrierattr_t&()  {  return m_attr;  }
+
+      pthread_barrierattr_t m_attr;
+   };
+
+   //!Makes initialized pthread_barrier_t cleanup easy when using exceptions
+   class barrier_initializer
+   {
+    public:
+      //!Constructor. Takes barrier attributes to initialize the barrier
+      barrier_initializer(pthread_barrier_t &mut,
+                          pthread_barrierattr_t &mut_attr,
+                          int count)
+      : mp_barrier(&mut)
+      {
+         if(pthread_barrier_init(mp_barrier, &mut_attr, count) != 0)
+            throw interprocess_exception("pthread_barrier_init failed");
+      }
+
+     ~barrier_initializer() {  if(mp_barrier) pthread_barrier_destroy(mp_barrier);  }
+
+      void release() {mp_barrier = 0; }
+
+    private:
+      pthread_barrier_t *mp_barrier;
+   };
+
+   #endif   //#if defined(BOOST_INTERPROCESS_POSIX_BARRIERS) && defined(BOOST_INTERPROCESS_POSIX_PROCESS_SHARED)
+
+}//namespace ipcdetail
+
+}//namespace interprocess
+
+}//namespace boost
+
+#include <boost/interprocess/detail/config_end.hpp>
+
+#endif //ifdef BOOST_INTERPROCESS_PTHREAD_HELPERS_HPP