undoing accidental deletion

1 files changed, 140 insertions, 0 deletions

diff --git a/ACE/ace/System_Time.cpp b/ACE/ace/System_Time.cpp
new file mode 100644
index 00000000000..d1ae525b8d6
--- /dev/null
+++ b/ACE/ace/System_Time.cpp
@@ -0,0 +1,140 @@
+// $Id$
+
+#include "ace/System_Time.h"
+#include "ace/MMAP_Memory_Pool.h"
+#include "ace/Malloc_T.h"
+#include "ace/Null_Mutex.h"
+#include "ace/Time_Value.h"
+#include "ace/OS_NS_string.h"
+#include "ace/OS_NS_time.h"
+
+ACE_RCSID(ace, System_Time, "$Id$")
+
+ACE_BEGIN_VERSIONED_NAMESPACE_DECL
+
+ACE_System_Time::ACE_System_Time (const ACE_TCHAR *poolname)
+  : shmem_ (0)
+  , delta_time_ (0)
+{
+  ACE_TRACE ("ACE_System_Time::ACE_System_Time");
+
+  // Only create a new unique filename for the memory pool file
+  // if the user didn't supply one...
+  if (poolname == 0)
+    {
+#if defined (ACE_DEFAULT_BACKING_STORE)
+      // Create a temporary file.
+      ACE_OS::strcpy (this->poolname_,
+                      ACE_DEFAULT_BACKING_STORE);
+#else /* ACE_DEFAULT_BACKING_STORE */
+      if (ACE::get_temp_dir (this->poolname_,
+                                      MAXPATHLEN - 17) == -1)
+        // -17 for ace-malloc-XXXXXX
+        {
+          ACE_ERROR ((LM_ERROR,
+                      ACE_TEXT ("Temporary path too long, ")
+                      ACE_TEXT ("defaulting to current directory\n")));
+          this->poolname_[0] = 0;
+        }
+
+      // Add the filename to the end
+      ACE_OS::strcat (this->poolname_, ACE_TEXT ("ace-malloc-XXXXXX"));
+
+#endif /* ACE_DEFAULT_BACKING_STORE */
+    }
+  else
+    ACE_OS::strsncpy (this->poolname_,
+                      poolname,
+                      (sizeof this->poolname_ / sizeof (ACE_TCHAR)));
+
+  ACE_NEW (this->shmem_,
+           ALLOCATOR (this->poolname_));
+}
+
+ACE_System_Time::~ACE_System_Time (void)
+{
+  ACE_TRACE ("ACE_System_Time::~ACE_System_Time");
+  delete this->shmem_;
+}
+
+// Get the local system time.
+
+int
+ACE_System_Time::get_local_system_time (time_t & time_out)
+{
+  ACE_TRACE ("ACE_System_Time::get_local_system_time");
+  time_out = ACE_OS::time (0);
+  return 0;
+}
+
+int
+ACE_System_Time::get_local_system_time (ACE_Time_Value &time_out)
+{
+  ACE_TRACE ("ACE_System_Time::get_local_system_time");
+  time_out.set (ACE_OS::time (0), 0);
+  return 0;
+}
+
+// Get the system time of the central time server.
+
+int
+ACE_System_Time::get_master_system_time (time_t &time_out)
+{
+  ACE_TRACE ("ACE_System_Time::get_master_system_time");
+
+  if (this->delta_time_ == 0)
+    {
+      // Try to find it
+      void * temp;
+      if (this->shmem_->find (ACE_DEFAULT_TIME_SERVER_STR, temp) == -1)
+        {
+          // No time entry in shared memory (meaning no Clerk exists)
+          // so return the local time of the host.
+          return this->get_local_system_time (time_out);
+        }
+      else
+        // Extract the delta time.
+        this->delta_time_ = static_cast<long *> (temp);
+    }
+
+  time_t local_time;
+
+  // If delta_time is positive, it means that the system clock is
+  // ahead of our local clock so add delta to the local time to get an
+  // approximation of the system time. Else if delta time is negative,
+  // it means that our local clock is ahead of the system clock, so
+  // return the last local time stored (to avoid time conflicts).
+  if (*this->delta_time_ >= 0 )
+    {
+      this->get_local_system_time (local_time);
+      time_out = local_time + static_cast<ACE_UINT32> (*this->delta_time_);
+    }
+  else
+    // Return the last local time. Note that this is stored as the
+    // second field in shared memory.
+    time_out = *(this->delta_time_ + 1);
+  return 0;
+}
+
+int
+ACE_System_Time::get_master_system_time (ACE_Time_Value &time_out)
+{
+  ACE_TRACE ("ACE_System_Time::get_master_system_time");
+  time_t to;
+  if (this->get_master_system_time (to) == -1)
+    return -1;
+  time_out.sec (to);
+  return 0;
+}
+
+// Synchronize local system time with the central time server using
+// specified mode (currently unimplemented).
+
+int
+ACE_System_Time::sync_local_system_time (ACE_System_Time::Sync_Mode)
+{
+  ACE_TRACE ("ACE_System_Time::sync_local_system_time");
+  ACE_NOTSUP_RETURN (-1);
+}
+
+ACE_END_VERSIONED_NAMESPACE_DECL