ost_SemaphoreLock (3)

#include <thread.h>

Public Member Functions

SemaphoreLock (Semaphore &_sem)

Wait for the semaphore. ~SemaphoreLock ()

Post the semaphore automatically.

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 [email protected] Semaphore automatic locker for protected access.

ost::SemaphoreLock::SemaphoreLock (\fBSemaphore\fP &_sem)\fC [inline]\fP

Wait for the semaphore.

ost::SemaphoreLock::~SemaphoreLock ()\fC [inline]\fP

Post the semaphore automatically.

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