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Diffstat (limited to 'ace/Lock_Adapter_T.h')
-rw-r--r-- | ace/Lock_Adapter_T.h | 119 |
1 files changed, 0 insertions, 119 deletions
diff --git a/ace/Lock_Adapter_T.h b/ace/Lock_Adapter_T.h deleted file mode 100644 index 76445506e0a..00000000000 --- a/ace/Lock_Adapter_T.h +++ /dev/null @@ -1,119 +0,0 @@ -// -*- C++ -*- - -//========================================================================== -/** - * @file Lock_Adapter_T.h - * - * $Id$ - * - * Moved from Synch.h. - * - * @author Douglas C. Schmidt <schmidt@cs.wustl.edu> - */ -//========================================================================== - -#ifndef ACE_LOCK_ADAPTER_T_H -#define ACE_LOCK_ADAPTER_T_H -#include /**/ "ace/pre.h" - -#include "ace/Lock.h" - -#if !defined (ACE_LACKS_PRAGMA_ONCE) -# pragma once -#endif /* ACE_LACKS_PRAGMA_ONCE */ - -/** - * @class ACE_Lock_Adapter - * - * @brief This is an adapter that allows applications to transparently - * combine the <ACE_Lock> abstract base class (which contains - * pure virtual methods) with any of the other concrete ACE - * synchronization classes (e.g., <ACE_Mutex>, <ACE_Semaphore>, - * <ACE_RW_Mutex>, etc.). - * - * This class uses a form of the Adapter pattern. - */ -template <class ACE_LOCKING_MECHANISM> -class ACE_Lock_Adapter : public ACE_Lock -{ -public: - typedef ACE_LOCKING_MECHANISM ACE_LOCK; - - // = Initialization/Finalization methods. - - /// Constructor. All locking requests will be forwarded to <lock>. - ACE_Lock_Adapter (ACE_LOCKING_MECHANISM &lock); - - /// Constructor. Since no lock is provided by the user, one will be - /// created internally. - ACE_Lock_Adapter (void); - - /// Destructor. If <lock_> was not passed in by the user, it will be - /// deleted. - virtual ~ACE_Lock_Adapter (void); - - // = Lock accessors. - /// Block the thread until the lock is acquired. - virtual int acquire (void); - - /// Conditionally acquire the lock (i.e., won't block). - virtual int tryacquire (void); - - /// Release the lock. - virtual int release (void); - - /** - * Block until the thread acquires a read lock. If the locking - * mechanism doesn't support read locks then this just calls - * <acquire>. - */ - virtual int acquire_read (void); - - /** - * Block until the thread acquires a write lock. If the locking - * mechanism doesn't support read locks then this just calls - * <acquire>. - */ - virtual int acquire_write (void); - - /// Conditionally acquire a read lock. If the locking mechanism - /// doesn't support read locks then this just calls <acquire>. - virtual int tryacquire_read (void); - - /// Conditionally acquire a write lock. If the locking mechanism - /// doesn't support read locks then this just calls <acquire>. - virtual int tryacquire_write (void); - - /** - * Conditionally try to upgrade a lock held for read to a write lock. - * If the locking mechanism doesn't support read locks then this just - * calls <acquire>. Returns 0 on success, -1 on failure. - */ - virtual int tryacquire_write_upgrade (void); - - /// Explicitly destroy the lock. - virtual int remove (void); - -private: - /// The concrete locking mechanism that all the methods delegate to. - ACE_LOCKING_MECHANISM *lock_; - - /// This flag keep track of whether we are responsible for deleting - /// the lock - int delete_lock_; -}; - -#if defined (__ACE_INLINE__) -#include "ace/Lock_Adapter_T.inl" -#endif /* __ACE_INLINE__ */ - -#if defined (ACE_TEMPLATES_REQUIRE_SOURCE) -#include "ace/Lock_Adapter_T.cpp" -#endif /* ACE_TEMPLATES_REQUIRE_SOURCE */ - -#if defined (ACE_TEMPLATES_REQUIRE_PRAGMA) -#pragma implementation ("Lock_Adapter_T.cpp") -#endif /* ACE_TEMPLATES_REQUIRE_PRAGMA */ - -#include /**/ "ace/post.h" -#endif /* ACE_LOCK_ADAPTER_T_H */ |