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-rw-r--r--ACE/ace/Recursive_Thread_Mutex.cpp125
1 files changed, 125 insertions, 0 deletions
diff --git a/ACE/ace/Recursive_Thread_Mutex.cpp b/ACE/ace/Recursive_Thread_Mutex.cpp
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+++ b/ACE/ace/Recursive_Thread_Mutex.cpp
@@ -0,0 +1,125 @@
+/**
+ * @file Recursive_Thread_Mutex.cpp
+ *
+ * $Id$
+ *
+ * Originally in Synch.cpp
+ *
+ * @author Douglas C. Schmidt <schmidt@cs.wustl.edu>
+ */
+
+#include "ace/Recursive_Thread_Mutex.h"
+
+#if defined (ACE_HAS_THREADS)
+
+#if !defined (__ACE_INLINE__)
+#include "ace/Recursive_Thread_Mutex.inl"
+#endif /* __ACE_INLINE__ */
+
+#include "ace/Log_Msg.h"
+
+ACE_RCSID(ace, Recursive_Thread_Mutex, "$Id$")
+
+ACE_BEGIN_VERSIONED_NAMESPACE_DECL
+
+ACE_ALLOC_HOOK_DEFINE(ACE_Recursive_Thread_Mutex)
+
+ACE_Recursive_Thread_Mutex::ACE_Recursive_Thread_Mutex (const ACE_TCHAR *name,
+ ACE_mutexattr_t *arg)
+ : removed_ (false)
+{
+ // ACE_TRACE ("ACE_Recursive_Thread_Mutex::ACE_Recursive_Thread_Mutex");
+ if (ACE_OS::recursive_mutex_init (&this->lock_,
+ name,
+ arg) == -1)
+ ACE_ERROR ((LM_ERROR,
+ ACE_TEXT ("%p\n"),
+ ACE_TEXT ("recursive_mutex_init")));
+}
+
+ACE_Recursive_Thread_Mutex::~ACE_Recursive_Thread_Mutex (void)
+{
+ // ACE_TRACE ("ACE_Recursive_Thread_Mutex::~ACE_Recursive_Thread_Mutex");
+ this->remove ();
+}
+
+int
+ACE_Recursive_Thread_Mutex::remove (void)
+{
+// ACE_TRACE ("ACE_Recursive_Thread_Mutex::remove");
+ int result = 0;
+ if (this->removed_ == false)
+ {
+ this->removed_ = true;
+ result = ACE_OS::recursive_mutex_destroy (&this->lock_);
+ }
+ return result;
+}
+
+// The counter part of the following two functions for Win32 are
+// located in file Synch.i
+ACE_thread_t
+ACE_Recursive_Thread_Mutex::get_thread_id (void)
+{
+ // ACE_TRACE ("ACE_Recursive_Thread_Mutex::get_thread_id");
+#if defined (ACE_HAS_RECURSIVE_MUTEXES)
+ // @@ The structure CriticalSection in Win32 doesn't hold the thread
+ // handle of the thread that owns the lock. However it is still not
+ // clear at this point how to translate a thread handle to its
+ // corresponding thread id.
+ errno = ENOTSUP;
+ return ACE_OS::NULL_thread;
+#else
+ ACE_thread_t owner_id;
+ ACE_OS::mutex_lock (&this->lock_.nesting_mutex_);
+ owner_id = this->lock_.owner_id_;
+ ACE_OS::mutex_unlock (&this->lock_.nesting_mutex_);
+ return owner_id;
+#endif /* ACE_WIN32 */
+}
+
+int
+ACE_Recursive_Thread_Mutex::get_nesting_level (void)
+{
+ // ACE_TRACE ("ACE_Recursive_Thread_Mutex::get_nesting_level");
+#if defined (ACE_HAS_WINCE) || defined (ACE_HAS_VXTHREADS)
+ ACE_NOTSUP_RETURN (-1);
+#elif defined (ACE_HAS_RECURSIVE_MUTEXES)
+# if defined (ACE_WIN32)
+ // This is really a Win32-ism...
+ // Nothing inside of a CRITICAL_SECTION object should ever be
+ // accessed directly. It is documented to change at any time.
+ //
+ // It has been reported that this this works for all three
+ // architectures. However, this does not work on Win64 before SP1.
+ return this->lock_.RecursionCount;
+# else
+ ACE_NOTSUP_RETURN (-1);
+# endif /* ACE_WIN32 */
+#else
+ int nesting_level = 0;
+ ACE_OS::mutex_lock (&this->lock_.nesting_mutex_);
+ nesting_level = this->lock_.nesting_level_;
+ ACE_OS::mutex_unlock (&this->lock_.nesting_mutex_);
+ return nesting_level;
+#endif /* !ACE_HAS_WINCE */
+}
+
+ACE_Recursive_Thread_Mutex::ACE_Recursive_Thread_Mutex (const ACE_Recursive_Thread_Mutex &)
+{
+}
+
+void
+ACE_Recursive_Thread_Mutex::dump (void) const
+{
+#if defined (ACE_HAS_DUMP)
+// ACE_TRACE ("ACE_Recursive_Thread_Mutex::dump");
+
+ ACE_DEBUG ((LM_DEBUG, ACE_BEGIN_DUMP, this));
+ ACE_DEBUG ((LM_DEBUG, ACE_END_DUMP));
+#endif /* ACE_HAS_DUMP */
+}
+
+ACE_END_VERSIONED_NAMESPACE_DECL
+
+#endif /* ACE_HAS_THREADS */