added ace + vcproj for win

--HG--
branch : trunk

externals/ace/POSIX_CB_Proactor.cpp

@@ -0,0 +1,185 @@
+// $Id: POSIX_CB_Proactor.cpp 84455 2009-02-13 13:31:02Z johnnyw $
+
+#include "ace/POSIX_CB_Proactor.h"
+
+#if defined (ACE_HAS_AIO_CALLS) && !defined (ACE_HAS_BROKEN_SIGEVENT_STRUCT)
+
+#include "ace/Task_T.h"
+#include "ace/Log_Msg.h"
+#include "ace/Object_Manager.h"
+#include "ace/OS_NS_sys_time.h"
+
+ACE_RCSID (ace,
+           POSIX_CB_Proactor,
+           "$Id: POSIX_CB_Proactor.cpp 84455 2009-02-13 13:31:02Z johnnyw $")
+
+ACE_BEGIN_VERSIONED_NAMESPACE_DECL
+
+ACE_POSIX_CB_Proactor::ACE_POSIX_CB_Proactor (size_t max_aio_operations)
+  : ACE_POSIX_AIOCB_Proactor (max_aio_operations,
+                              ACE_POSIX_Proactor::PROACTOR_CB),
+    sema_ ((unsigned int) 0)
+{
+  // we should start pseudo-asynchronous accept task
+  // one per all future acceptors
+
+  this->get_asynch_pseudo_task ().start ();
+}
+
+// Destructor.
+ACE_POSIX_CB_Proactor::~ACE_POSIX_CB_Proactor (void)
+{
+  this->close ();
+}
+
+ACE_POSIX_Proactor::Proactor_Type
+ACE_POSIX_CB_Proactor::get_impl_type (void)
+{
+  return PROACTOR_CB;
+}
+
+void ACE_POSIX_CB_Proactor::aio_completion_func (sigval cb_data)
+{
+  ACE_POSIX_CB_Proactor * impl = static_cast<ACE_POSIX_CB_Proactor *> (cb_data.sival_ptr);
+  if ( impl != 0 )
+    impl->notify_completion (0);
+}
+
+#if defined (ACE_HAS_SIG_C_FUNC)
+extern "C" void
+ACE_POSIX_CB_Proactor_aio_completion (sigval cb_data)
+{
+  ACE_POSIX_CB_Proactor::aio_completion_func (cb_data);
+}
+#endif /* ACE_HAS_SIG_C_FUNC */
+
+int
+ACE_POSIX_CB_Proactor::handle_events (ACE_Time_Value &wait_time)
+{
+  // Decrement <wait_time> with the amount of time spent in the method
+  ACE_Countdown_Time countdown (&wait_time);
+  return this->handle_events_i (wait_time.msec ());
+}
+
+int
+ACE_POSIX_CB_Proactor::handle_events (void)
+{
+  return this->handle_events_i (ACE_INFINITE);
+}
+
+int
+ACE_POSIX_CB_Proactor::notify_completion (int sig_num)
+{
+  ACE_UNUSED_ARG (sig_num);
+
+  return this->sema_.release();
+}
+
+
+ssize_t
+ACE_POSIX_CB_Proactor::allocate_aio_slot (ACE_POSIX_Asynch_Result *result)
+{
+  ssize_t slot = ACE_POSIX_AIOCB_Proactor::allocate_aio_slot (result);
+  if (slot == -1)
+    return -1;
+
+  // setup OS notification methods for this aio
+  // @@ TODO: This gets the completion method back to this proactor to
+  // find the completed aiocb. It would be so much better to not only get
+  // the proactor, but the aiocb as well.
+#if defined(__sgi)
+  result->aio_sigevent.sigev_notify = SIGEV_CALLBACK;
+  result->aio_sigevent.sigev_func   = aio_completion_func ;
+#else
+  result->aio_sigevent.sigev_notify = SIGEV_THREAD;
+#  if defined (ACE_HAS_SIG_C_FUNC)
+  result->aio_sigevent.sigev_notify_function =
+    ACE_POSIX_CB_Proactor_aio_completion;
+#  else
+  result->aio_sigevent.sigev_notify_function = aio_completion_func;
+#  endif /* ACE_HAS_SIG_C_FUNC */
+  result->aio_sigevent.sigev_notify_attributes = 0;
+#endif /* __sgi */
+
+  result->aio_sigevent.sigev_value.sival_ptr = this ;
+
+  return slot;
+}
+
+int
+ACE_POSIX_CB_Proactor::handle_events_i (u_long milli_seconds)
+{
+
+  int result_wait=0;
+
+  // Wait for the signals.
+  if (milli_seconds == ACE_INFINITE)
+    {
+      result_wait = this->sema_.acquire();
+    }
+  else
+    {
+      // Wait for <milli_seconds> amount of time.
+      ACE_Time_Value abs_time = ACE_OS::gettimeofday ()
+                              + ACE_Time_Value (0, milli_seconds * 1000);
+
+      result_wait = this->sema_.acquire(abs_time);
+    }
+
+  // Check for errors
+  // but let continue work in case of errors
+  // we should check "post_completed" queue
+  if (result_wait == -1)
+    {
+      int const lerror = errno;
+      if (lerror != ETIME &&   // timeout
+          lerror != EINTR )    // interrupted system call
+        ACE_ERROR ((LM_ERROR,
+                    ACE_TEXT("%N:%l:(%P | %t)::%p\n"),
+                    ACE_TEXT("ACE_POSIX_CB_Proactor::handle_events:")
+                    ACE_TEXT("semaphore acquire failed")
+                  ));
+    }
+
+  size_t index = 0;          // start index to scan aiocb list
+  size_t count = this->aiocb_list_max_size_;  // max number to iterate
+
+  int error_status = 0;
+  size_t return_status = 0;
+
+  int ret_aio = 0;
+  int ret_que = 0;
+
+  for (;; ret_aio++)
+    {
+      ACE_POSIX_Asynch_Result * asynch_result =
+          this->find_completed_aio (error_status,
+                                    return_status,
+                                    index,
+                                    count);
+
+      if (asynch_result == 0)
+          break;
+
+      // Call the application code.
+      this->application_specific_code (asynch_result,
+                                       return_status, // Bytes transferred.
+                                       0,             // No completion key.
+                                       error_status); // Error
+     }
+
+  // process post_completed results
+  ret_que = this->process_result_queue ();
+
+  // Uncomment this  if you want to test
+  // and research the behavior of you system
+  // ACE_DEBUG ((LM_DEBUG,
+  //            "(%t) NumAIO=%d NumQueue=%d\n",
+  //             ret_aio, ret_que));
+
+  return ret_aio + ret_que > 0 ? 1 : 0;
+}
+
+ACE_END_VERSIONED_NAMESPACE_DECL
+
+#endif /* ACE_HAS_AIO_CALLS && !ACE_HAS_BROKEN_SIGEVENT_STRUCT */