SemaphoreLock Class Reference

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. More...

#include <thread.h>

Collaboration diagram for SemaphoreLock:

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

Private Attributes
Semaphore &	sem

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.nosp@m.@gnu.nosp@m..org Semaphore automatic locker for protected access.

Definition at line 837 of file thread.h.

Constructor & Destructor Documentation

SemaphoreLock::SemaphoreLock ( Semaphore &  _sem )

inline

Wait for the semaphore.

Definition at line 846 of file thread.h.

SemaphoreLock::~SemaphoreLock ( )

inline

Post the semaphore automatically.

Definition at line 852 of file thread.h.

Field Documentation

Semaphore& SemaphoreLock::sem

private

Definition at line 840 of file thread.h.

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The documentation for this class was generated from the following file:

• thread.h