RT_Mutex.h
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00001 // -*- C++ -*- 00002 00003 //============================================================================= 00004 /** 00005 * @file RT_Mutex.h 00006 * 00007 * $Id: RT_Mutex.h 84379 2009-02-10 18:29:31Z johnnyw $ 00008 * 00009 * @author Frank Hunleth <fhunleth@cs.wustl.edu> 00010 */ 00011 //============================================================================= 00012 00013 00014 #ifndef TAO_RT_MUTEX_H 00015 #define TAO_RT_MUTEX_H 00016 00017 #include /**/ "ace/pre.h" 00018 #include "tao/orbconf.h" 00019 00020 #if defined (TAO_HAS_CORBA_MESSAGING) && TAO_HAS_CORBA_MESSAGING != 0 00021 00022 #if !defined (ACE_LACKS_PRAGMA_ONCE) 00023 # pragma once 00024 #endif /* ACE_LACKS_PRAGMA_ONCE */ 00025 00026 #include "tao/RTCORBA/RTCORBA_includeC.h" 00027 #include "tao/LocalObject.h" 00028 00029 #if (TAO_HAS_NAMED_RT_MUTEXES == 1) 00030 # include "ace/SString.h" 00031 #endif /* TAO_HAS_NAMED_RT_MUTEXES == 1 */ 00032 00033 #if defined(_MSC_VER) 00034 #pragma warning(push) 00035 #pragma warning(disable:4250) 00036 #endif /* _MSC_VER */ 00037 00038 TAO_BEGIN_VERSIONED_NAMESPACE_DECL 00039 00040 /** 00041 * @class TAO_RT_Mutex 00042 * 00043 * @brief Abstract base class for the TAO RT Mutex implementations 00044 * 00045 * This class just serves as a base class for any of the TAO 00046 * RT Mutex implementations. Instances of these classes should 00047 * be created using the RTCORBA::create_mutex() method. 00048 * 00049 */ 00050 00051 class TAO_RTCORBA_Export TAO_RT_Mutex 00052 : public RTCORBA::Mutex, 00053 public ::CORBA::LocalObject 00054 { 00055 public: 00056 00057 /// Acquire the lock. 00058 virtual void lock (void); 00059 00060 /// Release the lock. 00061 virtual void unlock (void); 00062 00063 /** 00064 * Acquire the lock, but only wait up to @a max_wait time. Note 00065 * that this operation may not be available on all OS platforms, so 00066 * if you're interested in writing maximally portable programs avoid 00067 * using this operation in your program designs. 00068 */ 00069 virtual CORBA::Boolean try_lock (TimeBase::TimeT max_wait 00070 ); 00071 00072 /// Returns the name of the mutex. 00073 virtual const char *name (void) const; 00074 00075 /// Destructor. 00076 virtual ~TAO_RT_Mutex (void); 00077 00078 protected: 00079 /// Synchronization lock. 00080 TAO_SYNCH_MUTEX mu_; 00081 }; 00082 00083 #if (TAO_HAS_NAMED_RT_MUTEXES == 1) 00084 /** 00085 * @class TAO_Named_RT_Mutex 00086 * 00087 * @brief Extension to TAO_RT_Mutex to support named mutexes. 00088 * 00089 */ 00090 class TAO_RTCORBA_Export TAO_Named_RT_Mutex : public TAO_RT_Mutex 00091 { 00092 public: 00093 /// Constructor. 00094 TAO_Named_RT_Mutex (const char *name); 00095 00096 /// Returns the name of the mutex. 00097 virtual const char *name (void) const; 00098 00099 protected: 00100 00101 /// My name. 00102 ACE_CString name_; 00103 }; 00104 #endif /* TAO_HAS_NAMED_RT_MUTEXES == 1 */ 00105 00106 TAO_END_VERSIONED_NAMESPACE_DECL 00107 00108 #if defined(_MSC_VER) 00109 #pragma warning(pop) 00110 #endif /* _MSC_VER */ 00111 00112 #endif /* TAO_HAS_CORBA_MESSAGING && TAO_HAS_CORBA_MESSAGING != 0 */ 00113 00114 #include /**/ "ace/post.h" 00115 #endif /* TAO_RT_MUTEX_H */
