GNU CommonC++
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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>
Public Member Functions | |
SemaphoreLock (Semaphore &_sem) | |
Wait for the semaphore. More... | |
~SemaphoreLock () | |
Post the semaphore automatically. More... | |
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.
Semaphore automatic locker for protected access.
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inline |
Wait for the semaphore.
References ost::Semaphore::wait().
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inline |
Post the semaphore automatically.
References ost::Semaphore::post().