diff options
Diffstat (limited to 'ace/Barrier.cpp')
| -rw-r--r-- | ace/Barrier.cpp | 197 |
1 files changed, 0 insertions, 197 deletions
diff --git a/ace/Barrier.cpp b/ace/Barrier.cpp deleted file mode 100644 index 739e249cd76..00000000000 --- a/ace/Barrier.cpp +++ /dev/null @@ -1,197 +0,0 @@ -// $Id$ - -#include "ace/Barrier.h" - -#if defined (ACE_HAS_THREADS) - -#if !defined (__ACE_INLINE__) -#include "ace/Barrier.inl" -#endif /* __ACE_INLINE__ */ - -#include "ace/Guard_T.h" -#include "ace/OS_NS_errno.h" - -#if defined (ACE_HAS_DUMP) -# include "ace/Log_Msg.h" -#endif /* ACE_HAS_DUMP */ - -ACE_RCSID (ace, - Barrier, - "$Id$") - -ACE_BEGIN_VERSIONED_NAMESPACE_DECL - -ACE_ALLOC_HOOK_DEFINE(ACE_Sub_Barrier) - -void -ACE_Sub_Barrier::dump (void) const -{ -#if defined (ACE_HAS_DUMP) -// ACE_TRACE ("ACE_Sub_Barrier::dump"); - - ACE_DEBUG ((LM_DEBUG, ACE_BEGIN_DUMP, this)); - this->barrier_finished_.dump (); - ACE_DEBUG ((LM_DEBUG, ACE_LIB_TEXT ("running_threads_ = %d"), this->running_threads_)); - ACE_DEBUG ((LM_DEBUG, ACE_LIB_TEXT ("\n"))); - ACE_DEBUG ((LM_DEBUG, ACE_END_DUMP)); -#endif /* ACE_HAS_DUMP */ -} - -ACE_Sub_Barrier::ACE_Sub_Barrier (unsigned int count, - ACE_Thread_Mutex &lock, - const ACE_TCHAR *name, - void *arg) - : barrier_finished_ (lock, name, arg), - running_threads_ (count) -{ -// ACE_TRACE ("ACE_Sub_Barrier::ACE_Sub_Barrier"); -} - -ACE_ALLOC_HOOK_DEFINE(ACE_Barrier) - -void -ACE_Barrier::dump (void) const -{ -#if defined (ACE_HAS_DUMP) -// ACE_TRACE ("ACE_Barrier::dump"); - - ACE_DEBUG ((LM_DEBUG, ACE_BEGIN_DUMP, this)); - this->lock_.dump (); - ACE_DEBUG ((LM_DEBUG, ACE_LIB_TEXT ("current_generation_ = %d"), this->current_generation_)); - ACE_DEBUG ((LM_DEBUG, ACE_LIB_TEXT ("\ncount_ = %d"), this->count_)); - this->sub_barrier_1_.dump (); - this->sub_barrier_2_.dump (); - ACE_DEBUG ((LM_DEBUG, ACE_END_DUMP)); -#endif /* ACE_HAS_DUMP */ -} - -ACE_Barrier::ACE_Barrier (unsigned int count, - const ACE_TCHAR *name, - void *arg) - : lock_ (name, (ACE_mutexattr_t *) arg), - current_generation_ (0), - count_ (count), - sub_barrier_1_ (count, lock_, name, arg), - sub_barrier_2_ (count, lock_, name, arg) -{ - ACE_TRACE ("ACE_Barrier::ACE_Barrier"); - this->sub_barrier_[0] = &this->sub_barrier_1_; - this->sub_barrier_[1] = &this->sub_barrier_2_; -} - -int -ACE_Barrier::wait (void) -{ - ACE_TRACE ("ACE_Barrier::wait"); - ACE_GUARD_RETURN (ACE_Thread_Mutex, ace_mon, this->lock_, -1); - - ACE_Sub_Barrier *sbp = - this->sub_barrier_[this->current_generation_]; - - // Check for shutdown... - if (sbp == 0) - { - errno = ESHUTDOWN; - return -1; - } - - int retval = 0; - - if (sbp->running_threads_ == 1) - { - // We're the last running thread, so swap generations and tell - // all the threads waiting on the barrier to continue on their - // way. - sbp->running_threads_ = this->count_; - // Swap generations. - this->current_generation_ = 1 - this->current_generation_; - sbp->barrier_finished_.broadcast (); - } - else - { - --sbp->running_threads_; - - // Block until all the other threads wait(). - while (sbp->running_threads_ != this->count_) - sbp->barrier_finished_.wait (); - - // We're awake and the count has completed. See if it completed - // because all threads hit the barrier, or because the barrier - // was shut down. - if (this->sub_barrier_[this->current_generation_] == 0) - { - errno = ESHUTDOWN; - retval = -1; - } - } - - return retval; -} - -int -ACE_Barrier::shutdown (void) -{ - ACE_TRACE ("ACE_Barrier::shutdown"); - ACE_GUARD_RETURN (ACE_Thread_Mutex, ace_mon, this->lock_, -1); - - ACE_Sub_Barrier *sbp = - this->sub_barrier_[this->current_generation_]; - - // Check for shutdown... - if (sbp == 0) - { - errno = ESHUTDOWN; - return -1; - } - - // Flag the shutdown - this->sub_barrier_[0] = 0; - this->sub_barrier_[1] = 0; - // Tell all the threads waiting on the barrier to continue on their way. - sbp->running_threads_ = this->count_; - sbp->barrier_finished_.broadcast (); - - return 0; -} - -ACE_ALLOC_HOOK_DEFINE(ACE_Thread_Barrier) - -ACE_Thread_Barrier::ACE_Thread_Barrier (unsigned int count, - const ACE_TCHAR *name) - : ACE_Barrier (count, name) -{ -// ACE_TRACE ("ACE_Thread_Barrier::ACE_Thread_Barrier"); -} - -void -ACE_Thread_Barrier::dump (void) const -{ -#if defined (ACE_HAS_DUMP) -// ACE_TRACE ("ACE_Thread_Barrier::dump"); - ACE_Barrier::dump (); -#endif /* ACE_HAS_DUMP */ -} - -#if 0 -ACE_ALLOC_HOOK_DEFINE(ACE_Process_Barrier) - -ACE_Process_Barrier::ACE_Process_Barrier (u_int count, - const ACE_TCHAR *name) - : ACE_Barrier (count, USYNC_PROCESS, name) -{ -// ACE_TRACE ("ACE_Process_Barrier::ACE_Process_Barrier"); -} - -void -ACE_Process_Barrier::dump (void) const -{ -#if defined (ACE_HAS_DUMP) -// ACE_TRACE ("ACE_Process_Barrier::dump"); - ACE_Barrier::dump (); -#endif /* ACE_HAS_DUMP */ -} -#endif /* 0 */ - -ACE_END_VERSIONED_NAMESPACE_DECL - -#endif /* ACE_HAS_THREADS */ |