| ost::SemaphoreLock(3) | Library Functions Manual | ost::SemaphoreLock(3) |
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.
#include <thread.h>
SemaphoreLock (Semaphore &_sem)
Wait for the semaphore. ~SemaphoreLock ()
Post the semaphore automatically.
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:
Wait for the semaphore.
References ost::Semaphore::wait().
Post the semaphore automatically.
References ost::Semaphore::post().
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| Wed Oct 31 2018 | GNU CommonC++ |