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ost_SemaphoreLock

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.

ost::SemaphoreLock::~SemaphoreLock () [inline]

Post the semaphore automatically.

Author

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