Here is something I am trying desperately to get to work: I have an app that polls the GPS module in specified intervals and then sends out coords out to a server using Unix calls such as write(); It ...

I have code listed here: Threading and Sockets. The answer to that question was to modify isListening with volatile. As I remarked, that modifier allowed me to access the variable from another thread....

Using PHP s mysqli how do you apply a row level lock? Row level locks stop anyone editing currently present rows that match your criteria right? but do they stop a user inserting a row which matches ...

What is Distributed Lock Service (or Server)? When it needs to be used?

I understand the concept of locks, mutex and other synchronization structures, but how are they implemented? Are they provided by the OS, or are these structures dependent on special CPU instructions ...

I know there is no WINAPI which would do it, but if a thread is hung and holds an open handle of file. how do we determine the thread id and Terminate it within our processes. I m not talking about ...

I have a few windwos services. They get xml column from Sql server manipulate and update it. Service A- Gets XML Service B- Gets XML Service A- Updates XML (it will be lost) Service B- Updates XML I ...

I understand that when developing multithreaded applications you must synchronize access to shared memory using either, for instance, a monitor or a lock. QUESTION How do you tell the waiting process(...