NAME

       ost::ThreadLock - The ThreadLock class impliments a thread rwlock for optimal reader
       performance on systems which have rwlock support, and reverts to a simple mutex for those
       that do not.

SYNOPSIS

       #include <thread.h>

   Public Member Functions
       ThreadLock ()
           Create a process shared thread lock object.
       virtual ~ThreadLock ()
           Destroy a process shared thread lock object.
       void readLock (void)
           Aquire a read lock for the current object.
       void writeLock (void)
           Aquire a write lock for the current object.
       bool tryReadLock (void)
           Attempt read lock for current object.
       bool tryWriteLock (void)
           Attempt write lock for current object.
       void unlock (void)
           Release any held locks.

Detailed Description

       The ThreadLock class impliments a thread rwlock for optimal reader performance on systems
       which have rwlock support, and reverts to a simple mutex for those that do not.

       Author
           David Sugar dyfet@ostel.com

       Posix rwlock extension for protected access.

Constructor & Destructor Documentation

   ost::ThreadLock::ThreadLock ()
       Create a process shared thread lock object.

   virtual ost::ThreadLock::~ThreadLock () [virtual]
       Destroy a process shared thread lock object.

Member Function Documentation

   void ost::ThreadLock::readLock (void)
       Aquire a read lock for the current object.

       Referenced by ost::ReadLock::ReadLock().

   bool ost::ThreadLock::tryReadLock (void)
       Attempt read lock for current object.

       Returns
           true on success.

   bool ost::ThreadLock::tryWriteLock (void)
       Attempt write lock for current object.

       Returns
           true on success.

   void ost::ThreadLock::unlock (void)
       Release any held locks.

       Referenced by ost::ReadLock::~ReadLock(), and ost::WriteLock::~WriteLock().

   void ost::ThreadLock::writeLock (void)
       Aquire a write lock for the current object.

       Referenced by ost::WriteLock::WriteLock().

Author

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