(file) Return to ReadWriteSem.h CVS log (file) (dir) Up to [Pegasus] / pegasus / src / Pegasus / Common

Diff for /pegasus/src/Pegasus/Common/ReadWriteSem.h between version 1.7.2.1 and 1.12

version 1.7.2.1, 2008/08/20 23:05:50 version 1.12, 2008/09/05 20:37:24
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 PEGASUS_NAMESPACE_BEGIN PEGASUS_NAMESPACE_BEGIN
  
 //==============================================================================  /**
 //      Every platform should decide which implementation for read/write locks
 // Select the read-write-lock implementation for your platform:      should be used in OpenPegasus by defining one of the following:
 //      1.) PEGASUS_USE_POSIX_RWLOCK - POSIX standard based implementation
 //     PEGASUS_USE_POSIX_RWLOCK      2.) PEGASUS_USE_SEMAPHORE_RWLOCK - mutex based implementation
 //     PEGASUS_USE_SEMAPHORE_RWLOCK  
 //      The definition for each platform can be found in the according platform
 //==============================================================================      header file: pegasus/src/Pegasus/Common/Platform_<Platform>.h
   */
   
   #if !defined(PEGASUS_USE_POSIX_RWLOCK) && !defined(PEGASUS_USE_SEMAPHORE_RWLOCK)
   # error "Unsupported platform: ReadWriteSem.h implementation type missing"
  
 #if defined(PEGASUS_PLATFORM_AIX_RS_IBMCXX)  
 # define PEGASUS_USE_POSIX_RWLOCK  
 #elif defined(PEGASUS_PLATFORM_PASE_ISERIES_IBMCXX)  
 # define PEGASUS_USE_POSIX_RWLOCK  
 #elif defined(PEGASUS_PLATFORM_HPUX_ACC)  
 # define PEGASUS_USE_POSIX_RWLOCK  
 #elif defined(PEGASUS_OS_SOLARIS)  
 # define PEGASUS_USE_POSIX_RWLOCK  
 #elif defined(PEGASUS_PLATFORM_TRU64_ALPHA_DECCXX)  
 # define PEGASUS_USE_POSIX_RWLOCK  
 #elif defined(PEGASUS_PLATFORM_ZOS_ZSERIES_IBM)  
 # define PEGASUS_USE_POSIX_RWLOCK  
 #elif defined(PEGASUS_PLATFORM_VMS_IA64_DECCXX)  
 # define PEGASUS_USE_POSIX_RWLOCK  
 #elif defined(PEGASUS_PLATFORM_VMS_ALPHA_DECCXX)  
 # define PEGASUS_USE_POSIX_RWLOCK  
 #elif defined(PEGASUS_PLATFORM_LINUX_X86_64_GNU)  
 # define PEGASUS_USE_POSIX_RWLOCK  
 #else  
 # define PEGASUS_USE_SEMAPHORE_RWLOCK  
 #endif #endif
  
 //============================================================================== //==============================================================================
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 struct ReadWriteSemRep struct ReadWriteSemRep
 { {
     pthread_rwlock_t rwlock;     pthread_rwlock_t rwlock;
     ThreadType owner;  
 }; };
 #endif /* PEGASUS_USE_POSIX_RWLOCK */ #endif /* PEGASUS_USE_POSIX_RWLOCK */
  
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     Semaphore _rlock;     Semaphore _rlock;
     Mutex _wlock;     Mutex _wlock;
     Mutex _internal_lock;     Mutex _internal_lock;
     ThreadType _owner;  
     ReadWriteSemRep() :     ReadWriteSemRep() :
         _rlock(10), _wlock(), _internal_lock(), _owner(Threads::self())          _rlock(10), _wlock(), _internal_lock()
     {     {
     }     }
 }; };
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     ~ReadWriteSem();     ~ReadWriteSem();
  
     // @exception Permission  
     // @exception WaitFailed     // @exception WaitFailed
     inline void wait_read(ThreadType caller)     inline void wait_read(ThreadType caller)
     {     {
         _wait(false, caller);         _wait(false, caller);
     }     }
  
     // @exception Permission  
     // @exception WaitFailed     // @exception WaitFailed
     inline void wait_write(ThreadType caller)     inline void wait_write(ThreadType caller)
     {     {
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     int write_count() const;     int write_count() const;
  
 private: private:
   
     // @exception Permission  
     // @exception WaitFailed     // @exception WaitFailed
     void _wait(Boolean writeLock, ThreadType caller);     void _wait(Boolean writeLock, ThreadType caller);
  

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Removed from v.1.7.2.1  
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  Added in v.1.12
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