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authorWilliam R. Otte <wotte@dre.vanderbilt.edu>2008-03-04 13:56:48 +0000
committerWilliam R. Otte <wotte@dre.vanderbilt.edu>2008-03-04 13:56:48 +0000
commitc4078c377d74290ebe4e66da0b4975da91732376 (patch)
tree1816ef391e42a07929304908ac0e21f4c2f6cb7b /ACE/examples/APG/ThreadSafety/Semaphore.cpp
parent700d1c1a6be348c6c70a2085e559baeb8f4a62ea (diff)
downloadATCD-c4078c377d74290ebe4e66da0b4975da91732376.tar.gz
swap in externals for ACE and TAO
Diffstat (limited to 'ACE/examples/APG/ThreadSafety/Semaphore.cpp')
-rw-r--r--ACE/examples/APG/ThreadSafety/Semaphore.cpp149
1 files changed, 0 insertions, 149 deletions
diff --git a/ACE/examples/APG/ThreadSafety/Semaphore.cpp b/ACE/examples/APG/ThreadSafety/Semaphore.cpp
deleted file mode 100644
index 6b3440b38c9..00000000000
--- a/ACE/examples/APG/ThreadSafety/Semaphore.cpp
+++ /dev/null
@@ -1,149 +0,0 @@
-// $Id$
-
-#include "ace/config-lite.h"
-#if defined (ACE_HAS_THREADS)
-
-#include "ace/OS_NS_string.h"
-#include "ace/Task.h"
-#include "ace/Synch.h"
-
-// Listing 2 code/ch14
-class Consumer : public ACE_Task<ACE_MT_SYNCH>
-{
-public:
- enum { N_THREADS = 5 };
-
- Consumer (ACE_Semaphore& psema, ACE_Semaphore& csema)
- : psema_(psema), csema_(csema), exit_condition_(0)
- { }
-
- int svc (void)
- {
- while (!is_closed ())
- consume_item ();
- return 0;
- }
-
- void consume_item ()
- {
- csema_.acquire ();
- if (!is_closed ())
- {
- ACE_Message_Block *mb;
- this->getq (mb);
- if (mb->msg_type () == ACE_Message_Block::MB_HANGUP)
- {
- this->shutdown ();
- mb->release ();
- return;
- }
- else
- {
- ACE_DEBUG ((LM_DEBUG,
- ACE_TEXT ("(%t) Consumed %d\n"),
- *((int*)mb->rd_ptr ())));
- mb->release();
- }
- psema_.release ();
- }
- }
-
- //FUZZ: disable check_for_lack_ACE_OS
- void shutdown (void)
- {
- //FUZZ: enable check_for_lack_ACE_OS
- exit_condition_ = 1;
- this->msg_queue ()->deactivate ();
- csema_.release (N_THREADS);
- }
-
- int is_closed (void)
- {
- return exit_condition_;
- }
-
-private:
- ACE_Semaphore& psema_;
- ACE_Semaphore& csema_;
- int exit_condition_;
-};
-// Listing 2
-// Listing 1 code/ch14
-class Producer : public ACE_Task_Base
-{
-public:
- enum { MAX_PROD = 128 };
-
- Producer (ACE_Semaphore& psema, ACE_Semaphore& csema,
- Consumer &consumer)
- : psema_(psema), csema_(csema), consumer_(consumer)
- { }
-
- int svc (void)
- {
- for (int i = 0; i <= MAX_PROD; i++)
- produce_item (i);
- hang_up ();
- return 0;
- }
-
- void produce_item (int item)
- {
- psema_.acquire ();
- ACE_Message_Block *mb
- = new ACE_Message_Block (sizeof (int),
- ACE_Message_Block::MB_DATA);
- ACE_OS::memcpy (mb->wr_ptr (), &item, sizeof item);
- mb->wr_ptr (sizeof (int));
- this->consumer_.putq (mb);
-
- ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("(%t) Produced %d\n"), item));
- csema_.release();
- }
-
- void hang_up ()
- {
- psema_.acquire ();
- ACE_Message_Block *mb =
- new ACE_Message_Block (0, ACE_Message_Block::MB_HANGUP);
- this->consumer_.putq (mb);
- csema_.release ();
- }
-
-private:
- ACE_Semaphore& psema_;
- ACE_Semaphore& csema_;
- Consumer& consumer_;
-};
-// Listing 1
-// Listing 3 code/ch14
-int ACE_TMAIN (int, ACE_TCHAR *[])
-{
- ACE_Semaphore psem (5);
- ACE_Semaphore csem (0);
-
- Consumer consumer (psem, csem);
- Producer producer (psem, csem, consumer);
-
- producer.activate ();
- consumer.activate (THR_NEW_LWP | THR_JOINABLE,
- Consumer::N_THREADS);
-
- producer.wait ();
- consumer.wait ();
-
- return 0;
-}
-// Listing 3
-
-#else
-#include "ace/OS_main.h"
-#include "ace/OS_NS_stdio.h"
-
-int ACE_TMAIN (int, ACE_TCHAR *[])
-{
- ACE_OS::puts (ACE_TEXT ("This example requires threads."));
- return 0;
-}
-
-#endif /* ACE_HAS_THREADS */