ost::semaphorelock(3)

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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