On 5/30/22 14:37, Adriano dos Santos Fernandes wrote:
Hi!
Isn't this thread unsafe?
struct event_t
{
SLONG event_count;
int pid;
pthread_mutex_t event_mutex[1];
pthread_cond_t event_cond[1];
};
int SharedMemoryBase::eventPost(event_t* event)
{
...
++event->event_count;
...
}
Should not event_count use a std::atomic?
Or is SharedMemoryBase::eventPost expected to not be thread safe to be
called concurrently?
It's always called with shared memory mutex taken, i.e. no concurrency
problems.
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