NAME

       ost::SemaphoreLock - The SemaphoreLock class is used to protect a section of code through
       a semaphore so that only x instances of the member function may execute concurrently.

SYNOPSIS

       #include <thread.h>

   Public Member Functions
       SemaphoreLock (Semaphore &_sem)
           Wait for the semaphore.
       ~SemaphoreLock ()
           Post the semaphore automatically.

Detailed Description

       The SemaphoreLock class is used to protect a section of code through a semaphore so that
       only x instances of the member function may execute concurrently.

       A common use is

       void func_to_protect() { SemaphoreLock lock(semaphore); ... operation ... }

       NOTE: do not declare variable as 'SemaohoreLock (semaphore)', the mutex will be released
       at statement end.

       Author
           David Sugar dyfet@gnu.org

       Semaphore automatic locker for protected access.

Constructor & Destructor Documentation

   ost::SemaphoreLock::SemaphoreLock (Semaphore & _sem) [inline]
       Wait for the semaphore.

       References ost::Semaphore::wait().

   ost::SemaphoreLock::~SemaphoreLock () [inline]
       Post the semaphore automatically.

       References ost::Semaphore::post().

Author

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