Scroll to navigation

ost::SemaphoreLock(3) Library Functions Manual 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.

References ost::Semaphore::wait().

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

Post the semaphore automatically.

References ost::Semaphore::post().

Author

Generated automatically by Doxygen for GNU CommonC++ from the source code.

Sun Dec 27 2020 GNU CommonC++