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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